summaryrefslogtreecommitdiff
path: root/clang/lib/Driver
diff options
context:
space:
mode:
Diffstat (limited to 'clang/lib/Driver')
-rw-r--r--clang/lib/Driver/Action.cpp122
-rw-r--r--clang/lib/Driver/Arg.cpp121
-rw-r--r--clang/lib/Driver/ArgList.cpp333
-rw-r--r--clang/lib/Driver/CC1AsOptions.cpp39
-rw-r--r--clang/lib/Driver/CC1Options.cpp38
-rw-r--r--clang/lib/Driver/CMakeLists.txt33
-rw-r--r--clang/lib/Driver/Compilation.cpp236
-rw-r--r--clang/lib/Driver/Driver.cpp1789
-rw-r--r--clang/lib/Driver/DriverOptions.cpp37
-rw-r--r--clang/lib/Driver/InputInfo.h88
-rw-r--r--clang/lib/Driver/Job.cpp42
-rw-r--r--clang/lib/Driver/Makefile13
-rw-r--r--clang/lib/Driver/OptTable.cpp384
-rw-r--r--clang/lib/Driver/Option.cpp280
-rw-r--r--clang/lib/Driver/Phases.cpp27
-rw-r--r--clang/lib/Driver/Tool.cpp21
-rw-r--r--clang/lib/Driver/ToolChain.cpp288
-rw-r--r--clang/lib/Driver/ToolChains.cpp2334
-rw-r--r--clang/lib/Driver/ToolChains.h596
-rw-r--r--clang/lib/Driver/Tools.cpp5589
-rw-r--r--clang/lib/Driver/Tools.h605
-rw-r--r--clang/lib/Driver/Types.cpp254
-rw-r--r--clang/lib/Driver/WindowsToolChain.cpp368
23 files changed, 13637 insertions, 0 deletions
diff --git a/clang/lib/Driver/Action.cpp b/clang/lib/Driver/Action.cpp
new file mode 100644
index 0000000..d7b4bc7
--- /dev/null
+++ b/clang/lib/Driver/Action.cpp
@@ -0,0 +1,122 @@
+//===--- Action.cpp - Abstract compilation steps --------------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "clang/Driver/Action.h"
+#include "llvm/Support/ErrorHandling.h"
+
+#include <cassert>
+using namespace clang::driver;
+
+Action::~Action() {
+ if (OwnsInputs) {
+ for (iterator it = begin(), ie = end(); it != ie; ++it)
+ delete *it;
+ }
+}
+
+const char *Action::getClassName(ActionClass AC) {
+ switch (AC) {
+ case InputClass: return "input";
+ case BindArchClass: return "bind-arch";
+ case PreprocessJobClass: return "preprocessor";
+ case PrecompileJobClass: return "precompiler";
+ case AnalyzeJobClass: return "analyzer";
+ case MigrateJobClass: return "migrator";
+ case CompileJobClass: return "compiler";
+ case AssembleJobClass: return "assembler";
+ case LinkJobClass: return "linker";
+ case LipoJobClass: return "lipo";
+ case DsymutilJobClass: return "dsymutil";
+ case VerifyJobClass: return "verify";
+ }
+
+ llvm_unreachable("invalid class");
+}
+
+void InputAction::anchor() {}
+
+InputAction::InputAction(const Arg &_Input, types::ID _Type)
+ : Action(InputClass, _Type), Input(_Input) {
+}
+
+void BindArchAction::anchor() {}
+
+BindArchAction::BindArchAction(Action *Input, const char *_ArchName)
+ : Action(BindArchClass, Input, Input->getType()), ArchName(_ArchName) {
+}
+
+void JobAction::anchor() {}
+
+JobAction::JobAction(ActionClass Kind, Action *Input, types::ID Type)
+ : Action(Kind, Input, Type) {
+}
+
+JobAction::JobAction(ActionClass Kind, const ActionList &Inputs, types::ID Type)
+ : Action(Kind, Inputs, Type) {
+}
+
+void PreprocessJobAction::anchor() {}
+
+PreprocessJobAction::PreprocessJobAction(Action *Input, types::ID OutputType)
+ : JobAction(PreprocessJobClass, Input, OutputType) {
+}
+
+void PrecompileJobAction::anchor() {}
+
+PrecompileJobAction::PrecompileJobAction(Action *Input, types::ID OutputType)
+ : JobAction(PrecompileJobClass, Input, OutputType) {
+}
+
+void AnalyzeJobAction::anchor() {}
+
+AnalyzeJobAction::AnalyzeJobAction(Action *Input, types::ID OutputType)
+ : JobAction(AnalyzeJobClass, Input, OutputType) {
+}
+
+void MigrateJobAction::anchor() {}
+
+MigrateJobAction::MigrateJobAction(Action *Input, types::ID OutputType)
+ : JobAction(MigrateJobClass, Input, OutputType) {
+}
+
+void CompileJobAction::anchor() {}
+
+CompileJobAction::CompileJobAction(Action *Input, types::ID OutputType)
+ : JobAction(CompileJobClass, Input, OutputType) {
+}
+
+void AssembleJobAction::anchor() {}
+
+AssembleJobAction::AssembleJobAction(Action *Input, types::ID OutputType)
+ : JobAction(AssembleJobClass, Input, OutputType) {
+}
+
+void LinkJobAction::anchor() {}
+
+LinkJobAction::LinkJobAction(ActionList &Inputs, types::ID Type)
+ : JobAction(LinkJobClass, Inputs, Type) {
+}
+
+void LipoJobAction::anchor() {}
+
+LipoJobAction::LipoJobAction(ActionList &Inputs, types::ID Type)
+ : JobAction(LipoJobClass, Inputs, Type) {
+}
+
+void DsymutilJobAction::anchor() {}
+
+DsymutilJobAction::DsymutilJobAction(ActionList &Inputs, types::ID Type)
+ : JobAction(DsymutilJobClass, Inputs, Type) {
+}
+
+void VerifyJobAction::anchor() {}
+
+VerifyJobAction::VerifyJobAction(ActionList &Inputs, types::ID Type)
+ : JobAction(VerifyJobClass, Inputs, Type) {
+}
diff --git a/clang/lib/Driver/Arg.cpp b/clang/lib/Driver/Arg.cpp
new file mode 100644
index 0000000..c0a2a50
--- /dev/null
+++ b/clang/lib/Driver/Arg.cpp
@@ -0,0 +1,121 @@
+//===--- Arg.cpp - Argument Implementations -------------------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "clang/Driver/Arg.h"
+#include "clang/Driver/ArgList.h"
+#include "clang/Driver/Option.h"
+#include "llvm/ADT/SmallString.h"
+#include "llvm/ADT/Twine.h"
+#include "llvm/Support/raw_ostream.h"
+
+using namespace clang::driver;
+
+Arg::Arg(const Option *_Opt, unsigned _Index, const Arg *_BaseArg)
+ : Opt(_Opt), BaseArg(_BaseArg), Index(_Index),
+ Claimed(false), OwnsValues(false) {
+}
+
+Arg::Arg(const Option *_Opt, unsigned _Index,
+ const char *Value0, const Arg *_BaseArg)
+ : Opt(_Opt), BaseArg(_BaseArg), Index(_Index),
+ Claimed(false), OwnsValues(false) {
+ Values.push_back(Value0);
+}
+
+Arg::Arg(const Option *_Opt, unsigned _Index,
+ const char *Value0, const char *Value1, const Arg *_BaseArg)
+ : Opt(_Opt), BaseArg(_BaseArg), Index(_Index),
+ Claimed(false), OwnsValues(false) {
+ Values.push_back(Value0);
+ Values.push_back(Value1);
+}
+
+Arg::~Arg() {
+ if (OwnsValues) {
+ for (unsigned i = 0, e = Values.size(); i != e; ++i)
+ delete[] Values[i];
+ }
+}
+
+void Arg::dump() const {
+ llvm::errs() << "<";
+
+ llvm::errs() << " Opt:";
+ Opt->dump();
+
+ llvm::errs() << " Index:" << Index;
+
+ llvm::errs() << " Values: [";
+ for (unsigned i = 0, e = Values.size(); i != e; ++i) {
+ if (i) llvm::errs() << ", ";
+ llvm::errs() << "'" << Values[i] << "'";
+ }
+
+ llvm::errs() << "]>\n";
+}
+
+std::string Arg::getAsString(const ArgList &Args) const {
+ SmallString<256> Res;
+ llvm::raw_svector_ostream OS(Res);
+
+ ArgStringList ASL;
+ render(Args, ASL);
+ for (ArgStringList::iterator
+ it = ASL.begin(), ie = ASL.end(); it != ie; ++it) {
+ if (it != ASL.begin())
+ OS << ' ';
+ OS << *it;
+ }
+
+ return OS.str();
+}
+
+void Arg::renderAsInput(const ArgList &Args, ArgStringList &Output) const {
+ if (!getOption().hasNoOptAsInput()) {
+ render(Args, Output);
+ return;
+ }
+
+ for (unsigned i = 0, e = getNumValues(); i != e; ++i)
+ Output.push_back(getValue(Args, i));
+}
+
+void Arg::render(const ArgList &Args, ArgStringList &Output) const {
+ switch (getOption().getRenderStyle()) {
+ case Option::RenderValuesStyle:
+ for (unsigned i = 0, e = getNumValues(); i != e; ++i)
+ Output.push_back(getValue(Args, i));
+ break;
+
+ case Option::RenderCommaJoinedStyle: {
+ SmallString<256> Res;
+ llvm::raw_svector_ostream OS(Res);
+ OS << getOption().getName();
+ for (unsigned i = 0, e = getNumValues(); i != e; ++i) {
+ if (i) OS << ',';
+ OS << getValue(Args, i);
+ }
+ Output.push_back(Args.MakeArgString(OS.str()));
+ break;
+ }
+
+ case Option::RenderJoinedStyle:
+ Output.push_back(Args.GetOrMakeJoinedArgString(
+ getIndex(), getOption().getName(), getValue(Args, 0)));
+ for (unsigned i = 1, e = getNumValues(); i != e; ++i)
+ Output.push_back(getValue(Args, i));
+ break;
+
+ case Option::RenderSeparateStyle:
+ Output.push_back(getOption().getName().data());
+ for (unsigned i = 0, e = getNumValues(); i != e; ++i)
+ Output.push_back(getValue(Args, i));
+ break;
+ }
+}
diff --git a/clang/lib/Driver/ArgList.cpp b/clang/lib/Driver/ArgList.cpp
new file mode 100644
index 0000000..55a0ddf
--- /dev/null
+++ b/clang/lib/Driver/ArgList.cpp
@@ -0,0 +1,333 @@
+//===--- ArgList.cpp - Argument List Management ---------------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "clang/Driver/ArgList.h"
+#include "clang/Driver/Arg.h"
+#include "clang/Driver/DriverDiagnostic.h"
+#include "clang/Driver/Option.h"
+
+#include "llvm/ADT/SmallString.h"
+#include "llvm/ADT/Twine.h"
+#include "llvm/Support/raw_ostream.h"
+
+using namespace clang;
+using namespace clang::driver;
+
+void arg_iterator::SkipToNextArg() {
+ for (; Current != Args.end(); ++Current) {
+ // Done if there are no filters.
+ if (!Id0.isValid())
+ break;
+
+ // Otherwise require a match.
+ const Option &O = (*Current)->getOption();
+ if (O.matches(Id0) ||
+ (Id1.isValid() && O.matches(Id1)) ||
+ (Id2.isValid() && O.matches(Id2)))
+ break;
+ }
+}
+
+//
+
+ArgList::ArgList() {
+}
+
+ArgList::~ArgList() {
+}
+
+void ArgList::append(Arg *A) {
+ Args.push_back(A);
+}
+
+void ArgList::eraseArg(OptSpecifier Id) {
+ for (iterator it = begin(), ie = end(); it != ie; ) {
+ if ((*it)->getOption().matches(Id)) {
+ it = Args.erase(it);
+ ie = end();
+ } else {
+ ++it;
+ }
+ }
+}
+
+Arg *ArgList::getLastArgNoClaim(OptSpecifier Id) const {
+ // FIXME: Make search efficient?
+ for (const_reverse_iterator it = rbegin(), ie = rend(); it != ie; ++it)
+ if ((*it)->getOption().matches(Id))
+ return *it;
+ return 0;
+}
+
+Arg *ArgList::getLastArg(OptSpecifier Id) const {
+ Arg *Res = 0;
+ for (const_iterator it = begin(), ie = end(); it != ie; ++it) {
+ if ((*it)->getOption().matches(Id)) {
+ Res = *it;
+ Res->claim();
+ }
+ }
+
+ return Res;
+}
+
+Arg *ArgList::getLastArg(OptSpecifier Id0, OptSpecifier Id1) const {
+ Arg *Res = 0;
+ for (const_iterator it = begin(), ie = end(); it != ie; ++it) {
+ if ((*it)->getOption().matches(Id0) ||
+ (*it)->getOption().matches(Id1)) {
+ Res = *it;
+ Res->claim();
+
+ }
+ }
+
+ return Res;
+}
+
+Arg *ArgList::getLastArg(OptSpecifier Id0, OptSpecifier Id1,
+ OptSpecifier Id2) const {
+ Arg *Res = 0;
+ for (const_iterator it = begin(), ie = end(); it != ie; ++it) {
+ if ((*it)->getOption().matches(Id0) ||
+ (*it)->getOption().matches(Id1) ||
+ (*it)->getOption().matches(Id2)) {
+ Res = *it;
+ Res->claim();
+ }
+ }
+
+ return Res;
+}
+
+Arg *ArgList::getLastArg(OptSpecifier Id0, OptSpecifier Id1,
+ OptSpecifier Id2, OptSpecifier Id3) const {
+ Arg *Res = 0;
+ for (const_iterator it = begin(), ie = end(); it != ie; ++it) {
+ if ((*it)->getOption().matches(Id0) ||
+ (*it)->getOption().matches(Id1) ||
+ (*it)->getOption().matches(Id2) ||
+ (*it)->getOption().matches(Id3)) {
+ Res = *it;
+ Res->claim();
+ }
+ }
+
+ return Res;
+}
+
+Arg *ArgList::getLastArg(OptSpecifier Id0, OptSpecifier Id1,
+ OptSpecifier Id2, OptSpecifier Id3,
+ OptSpecifier Id4) const {
+ Arg *Res = 0;
+ for (const_iterator it = begin(), ie = end(); it != ie; ++it) {
+ if ((*it)->getOption().matches(Id0) ||
+ (*it)->getOption().matches(Id1) ||
+ (*it)->getOption().matches(Id2) ||
+ (*it)->getOption().matches(Id3) ||
+ (*it)->getOption().matches(Id4)) {
+ Res = *it;
+ Res->claim();
+ }
+ }
+
+ return Res;
+}
+
+bool ArgList::hasFlag(OptSpecifier Pos, OptSpecifier Neg, bool Default) const {
+ if (Arg *A = getLastArg(Pos, Neg))
+ return A->getOption().matches(Pos);
+ return Default;
+}
+
+StringRef ArgList::getLastArgValue(OptSpecifier Id,
+ StringRef Default) const {
+ if (Arg *A = getLastArg(Id))
+ return A->getValue(*this);
+ return Default;
+}
+
+int ArgList::getLastArgIntValue(OptSpecifier Id, int Default,
+ clang::DiagnosticsEngine *Diags) const {
+ int Res = Default;
+
+ if (Arg *A = getLastArg(Id)) {
+ if (StringRef(A->getValue(*this)).getAsInteger(10, Res)) {
+ if (Diags)
+ Diags->Report(diag::err_drv_invalid_int_value)
+ << A->getAsString(*this) << A->getValue(*this);
+ }
+ }
+
+ return Res;
+}
+
+std::vector<std::string> ArgList::getAllArgValues(OptSpecifier Id) const {
+ SmallVector<const char *, 16> Values;
+ AddAllArgValues(Values, Id);
+ return std::vector<std::string>(Values.begin(), Values.end());
+}
+
+void ArgList::AddLastArg(ArgStringList &Output, OptSpecifier Id) const {
+ if (Arg *A = getLastArg(Id)) {
+ A->claim();
+ A->render(*this, Output);
+ }
+}
+
+void ArgList::AddAllArgs(ArgStringList &Output, OptSpecifier Id0,
+ OptSpecifier Id1, OptSpecifier Id2) const {
+ for (arg_iterator it = filtered_begin(Id0, Id1, Id2),
+ ie = filtered_end(); it != ie; ++it) {
+ (*it)->claim();
+ (*it)->render(*this, Output);
+ }
+}
+
+void ArgList::AddAllArgValues(ArgStringList &Output, OptSpecifier Id0,
+ OptSpecifier Id1, OptSpecifier Id2) const {
+ for (arg_iterator it = filtered_begin(Id0, Id1, Id2),
+ ie = filtered_end(); it != ie; ++it) {
+ (*it)->claim();
+ for (unsigned i = 0, e = (*it)->getNumValues(); i != e; ++i)
+ Output.push_back((*it)->getValue(*this, i));
+ }
+}
+
+void ArgList::AddAllArgsTranslated(ArgStringList &Output, OptSpecifier Id0,
+ const char *Translation,
+ bool Joined) const {
+ for (arg_iterator it = filtered_begin(Id0),
+ ie = filtered_end(); it != ie; ++it) {
+ (*it)->claim();
+
+ if (Joined) {
+ Output.push_back(MakeArgString(StringRef(Translation) +
+ (*it)->getValue(*this, 0)));
+ } else {
+ Output.push_back(Translation);
+ Output.push_back((*it)->getValue(*this, 0));
+ }
+ }
+}
+
+void ArgList::ClaimAllArgs(OptSpecifier Id0) const {
+ for (arg_iterator it = filtered_begin(Id0),
+ ie = filtered_end(); it != ie; ++it)
+ (*it)->claim();
+}
+
+void ArgList::ClaimAllArgs() const {
+ for (const_iterator it = begin(), ie = end(); it != ie; ++it)
+ if (!(*it)->isClaimed())
+ (*it)->claim();
+}
+
+const char *ArgList::MakeArgString(const Twine &T) const {
+ SmallString<256> Str;
+ T.toVector(Str);
+ return MakeArgString(Str.str());
+}
+
+const char *ArgList::GetOrMakeJoinedArgString(unsigned Index,
+ StringRef LHS,
+ StringRef RHS) const {
+ StringRef Cur = getArgString(Index);
+ if (Cur.size() == LHS.size() + RHS.size() &&
+ Cur.startswith(LHS) && Cur.endswith(RHS))
+ return Cur.data();
+
+ return MakeArgString(LHS + RHS);
+}
+
+//
+
+InputArgList::InputArgList(const char* const *ArgBegin,
+ const char* const *ArgEnd)
+ : NumInputArgStrings(ArgEnd - ArgBegin) {
+ ArgStrings.append(ArgBegin, ArgEnd);
+}
+
+InputArgList::~InputArgList() {
+ // An InputArgList always owns its arguments.
+ for (iterator it = begin(), ie = end(); it != ie; ++it)
+ delete *it;
+}
+
+unsigned InputArgList::MakeIndex(StringRef String0) const {
+ unsigned Index = ArgStrings.size();
+
+ // Tuck away so we have a reliable const char *.
+ SynthesizedStrings.push_back(String0);
+ ArgStrings.push_back(SynthesizedStrings.back().c_str());
+
+ return Index;
+}
+
+unsigned InputArgList::MakeIndex(StringRef String0,
+ StringRef String1) const {
+ unsigned Index0 = MakeIndex(String0);
+ unsigned Index1 = MakeIndex(String1);
+ assert(Index0 + 1 == Index1 && "Unexpected non-consecutive indices!");
+ (void) Index1;
+ return Index0;
+}
+
+const char *InputArgList::MakeArgString(StringRef Str) const {
+ return getArgString(MakeIndex(Str));
+}
+
+//
+
+DerivedArgList::DerivedArgList(const InputArgList &_BaseArgs)
+ : BaseArgs(_BaseArgs) {
+}
+
+DerivedArgList::~DerivedArgList() {
+ // We only own the arguments we explicitly synthesized.
+ for (iterator it = SynthesizedArgs.begin(), ie = SynthesizedArgs.end();
+ it != ie; ++it)
+ delete *it;
+}
+
+const char *DerivedArgList::MakeArgString(StringRef Str) const {
+ return BaseArgs.MakeArgString(Str);
+}
+
+Arg *DerivedArgList::MakeFlagArg(const Arg *BaseArg, const Option *Opt) const {
+ Arg *A = new Arg(Opt, BaseArgs.MakeIndex(Opt->getName()), BaseArg);
+ SynthesizedArgs.push_back(A);
+ return A;
+}
+
+Arg *DerivedArgList::MakePositionalArg(const Arg *BaseArg, const Option *Opt,
+ StringRef Value) const {
+ unsigned Index = BaseArgs.MakeIndex(Value);
+ Arg *A = new Arg(Opt, Index, BaseArgs.getArgString(Index), BaseArg);
+ SynthesizedArgs.push_back(A);
+ return A;
+}
+
+Arg *DerivedArgList::MakeSeparateArg(const Arg *BaseArg, const Option *Opt,
+ StringRef Value) const {
+ unsigned Index = BaseArgs.MakeIndex(Opt->getName(), Value);
+ Arg *A = new Arg(Opt, Index, BaseArgs.getArgString(Index + 1), BaseArg);
+ SynthesizedArgs.push_back(A);
+ return A;
+}
+
+Arg *DerivedArgList::MakeJoinedArg(const Arg *BaseArg, const Option *Opt,
+ StringRef Value) const {
+ unsigned Index = BaseArgs.MakeIndex(Opt->getName().str() + Value.str());
+ Arg *A = new Arg(Opt, Index,
+ BaseArgs.getArgString(Index) + Opt->getName().size(),
+ BaseArg);
+ SynthesizedArgs.push_back(A);
+ return A;
+}
diff --git a/clang/lib/Driver/CC1AsOptions.cpp b/clang/lib/Driver/CC1AsOptions.cpp
new file mode 100644
index 0000000..ea80f5a
--- /dev/null
+++ b/clang/lib/Driver/CC1AsOptions.cpp
@@ -0,0 +1,39 @@
+//===--- CC1AsOptions.cpp - Clang Assembler Options Table -----------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "clang/Driver/CC1AsOptions.h"
+#include "clang/Driver/Option.h"
+#include "clang/Driver/OptTable.h"
+using namespace clang;
+using namespace clang::driver;
+using namespace clang::driver::options;
+using namespace clang::driver::cc1asoptions;
+
+static const OptTable::Info CC1AsInfoTable[] = {
+#define OPTION(NAME, ID, KIND, GROUP, ALIAS, FLAGS, PARAM, \
+ HELPTEXT, METAVAR) \
+ { NAME, HELPTEXT, METAVAR, Option::KIND##Class, PARAM, FLAGS, \
+ OPT_##GROUP, OPT_##ALIAS },
+#include "clang/Driver/CC1AsOptions.inc"
+};
+
+namespace {
+
+class CC1AsOptTable : public OptTable {
+public:
+ CC1AsOptTable()
+ : OptTable(CC1AsInfoTable,
+ sizeof(CC1AsInfoTable) / sizeof(CC1AsInfoTable[0])) {}
+};
+
+}
+
+OptTable *clang::driver::createCC1AsOptTable() {
+ return new CC1AsOptTable();
+}
diff --git a/clang/lib/Driver/CC1Options.cpp b/clang/lib/Driver/CC1Options.cpp
new file mode 100644
index 0000000..884b363
--- /dev/null
+++ b/clang/lib/Driver/CC1Options.cpp
@@ -0,0 +1,38 @@
+//===--- CC1Options.cpp - Clang CC1 Options Table -------------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "clang/Driver/CC1Options.h"
+#include "clang/Driver/Option.h"
+#include "clang/Driver/OptTable.h"
+using namespace clang;
+using namespace clang::driver;
+using namespace clang::driver::options;
+using namespace clang::driver::cc1options;
+
+static const OptTable::Info CC1InfoTable[] = {
+#define OPTION(NAME, ID, KIND, GROUP, ALIAS, FLAGS, PARAM, \
+ HELPTEXT, METAVAR) \
+ { NAME, HELPTEXT, METAVAR, Option::KIND##Class, PARAM, FLAGS, \
+ OPT_##GROUP, OPT_##ALIAS },
+#include "clang/Driver/CC1Options.inc"
+};
+
+namespace {
+
+class CC1OptTable : public OptTable {
+public:
+ CC1OptTable()
+ : OptTable(CC1InfoTable, sizeof(CC1InfoTable) / sizeof(CC1InfoTable[0])) {}
+};
+
+}
+
+OptTable *clang::driver::createCC1OptTable() {
+ return new CC1OptTable();
+}
diff --git a/clang/lib/Driver/CMakeLists.txt b/clang/lib/Driver/CMakeLists.txt
new file mode 100644
index 0000000..a798e20
--- /dev/null
+++ b/clang/lib/Driver/CMakeLists.txt
@@ -0,0 +1,33 @@
+set(LLVM_USED_LIBS clangBasic clangAST clangParse)
+
+add_clang_library(clangDriver
+ Action.cpp
+ Arg.cpp
+ ArgList.cpp
+ CC1Options.cpp
+ CC1AsOptions.cpp
+ Compilation.cpp
+ Driver.cpp
+ DriverOptions.cpp
+ Job.cpp
+ Option.cpp
+ OptTable.cpp
+ Phases.cpp
+ Tool.cpp
+ ToolChain.cpp
+ ToolChains.cpp
+ WindowsToolChain.cpp
+ Tools.cpp
+ Types.cpp
+ )
+
+IF(MSVC)
+ get_target_property(NON_ANSI_COMPILE_FLAGS clangDriver COMPILE_FLAGS)
+ string(REPLACE /Za
+ "" NON_ANSI_COMPILE_FLAGS
+ ${NON_ANSI_COMPILE_FLAGS})
+ set_target_properties(clangDriver PROPERTIES COMPILE_FLAGS ${NON_ANSI_COMPILE_FLAGS})
+ENDIF(MSVC)
+
+add_dependencies(clangDriver ClangAttrList ClangDiagnosticDriver
+ ClangDriverOptions ClangCC1Options ClangCC1AsOptions)
diff --git a/clang/lib/Driver/Compilation.cpp b/clang/lib/Driver/Compilation.cpp
new file mode 100644
index 0000000..5553fc9
--- /dev/null
+++ b/clang/lib/Driver/Compilation.cpp
@@ -0,0 +1,236 @@
+//===--- Compilation.cpp - Compilation Task Implementation ----------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "clang/Driver/Compilation.h"
+
+#include "clang/Driver/Action.h"
+#include "clang/Driver/ArgList.h"
+#include "clang/Driver/Driver.h"
+#include "clang/Driver/DriverDiagnostic.h"
+#include "clang/Driver/Options.h"
+#include "clang/Driver/ToolChain.h"
+
+#include "llvm/ADT/STLExtras.h"
+#include "llvm/Support/raw_ostream.h"
+#include "llvm/Support/Program.h"
+#include <sys/stat.h>
+#include <errno.h>
+
+using namespace clang::driver;
+using namespace clang;
+
+Compilation::Compilation(const Driver &D, const ToolChain &_DefaultToolChain,
+ InputArgList *_Args, DerivedArgList *_TranslatedArgs)
+ : TheDriver(D), DefaultToolChain(_DefaultToolChain), Args(_Args),
+ TranslatedArgs(_TranslatedArgs), Redirects(0) {
+}
+
+Compilation::~Compilation() {
+ delete TranslatedArgs;
+ delete Args;
+
+ // Free any derived arg lists.
+ for (llvm::DenseMap<std::pair<const ToolChain*, const char*>,
+ DerivedArgList*>::iterator it = TCArgs.begin(),
+ ie = TCArgs.end(); it != ie; ++it)
+ if (it->second != TranslatedArgs)
+ delete it->second;
+
+ // Free the actions, if built.
+ for (ActionList::iterator it = Actions.begin(), ie = Actions.end();
+ it != ie; ++it)
+ delete *it;
+
+ // Free redirections of stdout/stderr.
+ if (Redirects) {
+ delete Redirects[1];
+ delete Redirects[2];
+ delete [] Redirects;
+ }
+}
+
+const DerivedArgList &Compilation::getArgsForToolChain(const ToolChain *TC,
+ const char *BoundArch) {
+ if (!TC)
+ TC = &DefaultToolChain;
+
+ DerivedArgList *&Entry = TCArgs[std::make_pair(TC, BoundArch)];
+ if (!Entry) {
+ Entry = TC->TranslateArgs(*TranslatedArgs, BoundArch);
+ if (!Entry)
+ Entry = TranslatedArgs;
+ }
+
+ return *Entry;
+}
+
+void Compilation::PrintJob(raw_ostream &OS, const Job &J,
+ const char *Terminator, bool Quote) const {
+ if (const Command *C = dyn_cast<Command>(&J)) {
+ OS << " \"" << C->getExecutable() << '"';
+ for (ArgStringList::const_iterator it = C->getArguments().begin(),
+ ie = C->getArguments().end(); it != ie; ++it) {
+ OS << ' ';
+ if (!Quote && !std::strpbrk(*it, " \"\\$")) {
+ OS << *it;
+ continue;
+ }
+
+ // Quote the argument and escape shell special characters; this isn't
+ // really complete but is good enough.
+ OS << '"';
+ for (const char *s = *it; *s; ++s) {
+ if (*s == '"' || *s == '\\' || *s == '$')
+ OS << '\\';
+ OS << *s;
+ }
+ OS << '"';
+ }
+ OS << Terminator;
+ } else {
+ const JobList *Jobs = cast<JobList>(&J);
+ for (JobList::const_iterator
+ it = Jobs->begin(), ie = Jobs->end(); it != ie; ++it)
+ PrintJob(OS, **it, Terminator, Quote);
+ }
+}
+
+bool Compilation::CleanupFileList(const ArgStringList &Files,
+ bool IssueErrors) const {
+ bool Success = true;
+
+ for (ArgStringList::const_iterator
+ it = Files.begin(), ie = Files.end(); it != ie; ++it) {
+
+ llvm::sys::Path P(*it);
+ std::string Error;
+
+ // Don't try to remove files which we don't have write access to (but may be
+ // able to remove). Underlying tools may have intentionally not overwritten
+ // them.
+ if (!P.canWrite())
+ continue;
+
+ if (P.eraseFromDisk(false, &Error)) {
+ // Failure is only failure if the file exists and is "regular". There is
+ // a race condition here due to the limited interface of
+ // llvm::sys::Path, we want to know if the removal gave ENOENT.
+
+ // FIXME: Grumble, P.exists() is broken. PR3837.
+ struct stat buf;
+ if (::stat(P.c_str(), &buf) == 0 ? (buf.st_mode & S_IFMT) == S_IFREG :
+ (errno != ENOENT)) {
+ if (IssueErrors)
+ getDriver().Diag(clang::diag::err_drv_unable_to_remove_file)
+ << Error;
+ Success = false;
+ }
+ }
+ }
+
+ return Success;
+}
+
+int Compilation::ExecuteCommand(const Command &C,
+ const Command *&FailingCommand) const {
+ llvm::sys::Path Prog(C.getExecutable());
+ const char **Argv = new const char*[C.getArguments().size() + 2];
+ Argv[0] = C.getExecutable();
+ std::copy(C.getArguments().begin(), C.getArguments().end(), Argv+1);
+ Argv[C.getArguments().size() + 1] = 0;
+
+ if ((getDriver().CCCEcho || getDriver().CCPrintOptions ||
+ getArgs().hasArg(options::OPT_v)) && !getDriver().CCGenDiagnostics) {
+ raw_ostream *OS = &llvm::errs();
+
+ // Follow gcc implementation of CC_PRINT_OPTIONS; we could also cache the
+ // output stream.
+ if (getDriver().CCPrintOptions && getDriver().CCPrintOptionsFilename) {
+ std::string Error;
+ OS = new llvm::raw_fd_ostream(getDriver().CCPrintOptionsFilename,
+ Error,
+ llvm::raw_fd_ostream::F_Append);
+ if (!Error.empty()) {
+ getDriver().Diag(clang::diag::err_drv_cc_print_options_failure)
+ << Error;
+ FailingCommand = &C;
+ delete OS;
+ return 1;
+ }
+ }
+
+ if (getDriver().CCPrintOptions)
+ *OS << "[Logging clang options]";
+
+ PrintJob(*OS, C, "\n", /*Quote=*/getDriver().CCPrintOptions);
+
+ if (OS != &llvm::errs())
+ delete OS;
+ }
+
+ std::string Error;
+ int Res =
+ llvm::sys::Program::ExecuteAndWait(Prog, Argv,
+ /*env*/0, Redirects,
+ /*secondsToWait*/0, /*memoryLimit*/0,
+ &Error);
+ if (!Error.empty()) {
+ assert(Res && "Error string set with 0 result code!");
+ getDriver().Diag(clang::diag::err_drv_command_failure) << Error;
+ }
+
+ if (Res)
+ FailingCommand = &C;
+
+ delete[] Argv;
+ return Res;
+}
+
+int Compilation::ExecuteJob(const Job &J,
+ const Command *&FailingCommand) const {
+ if (const Command *C = dyn_cast<Command>(&J)) {
+ return ExecuteCommand(*C, FailingCommand);
+ } else {
+ const JobList *Jobs = cast<JobList>(&J);
+ for (JobList::const_iterator
+ it = Jobs->begin(), ie = Jobs->end(); it != ie; ++it)
+ if (int Res = ExecuteJob(**it, FailingCommand))
+ return Res;
+ return 0;
+ }
+}
+
+void Compilation::initCompilationForDiagnostics(void) {
+ // Free actions and jobs.
+ DeleteContainerPointers(Actions);
+ Jobs.clear();
+
+ // Clear temporary/results file lists.
+ TempFiles.clear();
+ ResultFiles.clear();
+
+ // Remove any user specified output. Claim any unclaimed arguments, so as
+ // to avoid emitting warnings about unused args.
+ OptSpecifier OutputOpts[] = { options::OPT_o, options::OPT_MD,
+ options::OPT_MMD };
+ for (unsigned i = 0; i != sizeof(OutputOpts)/sizeof(OutputOpts[0]); ++i) {
+ if (TranslatedArgs->hasArg(OutputOpts[i]))
+ TranslatedArgs->eraseArg(OutputOpts[i]);
+ }
+ TranslatedArgs->ClaimAllArgs();
+
+ // Redirect stdout/stderr to /dev/null.
+ Redirects = new const llvm::sys::Path*[3]();
+ Redirects[1] = new const llvm::sys::Path();
+ Redirects[2] = new const llvm::sys::Path();
+}
+
+StringRef Compilation::getSysRoot(void) const {
+ return getDriver().SysRoot;
+}
diff --git a/clang/lib/Driver/Driver.cpp b/clang/lib/Driver/Driver.cpp
new file mode 100644
index 0000000..3ddac69
--- /dev/null
+++ b/clang/lib/Driver/Driver.cpp
@@ -0,0 +1,1789 @@
+//===--- Driver.cpp - Clang GCC Compatible Driver -------------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "clang/Driver/Driver.h"
+
+#include "clang/Driver/Action.h"
+#include "clang/Driver/Arg.h"
+#include "clang/Driver/ArgList.h"
+#include "clang/Driver/Compilation.h"
+#include "clang/Driver/DriverDiagnostic.h"
+#include "clang/Driver/Job.h"
+#include "clang/Driver/OptTable.h"
+#include "clang/Driver/Option.h"
+#include "clang/Driver/Options.h"
+#include "clang/Driver/Tool.h"
+#include "clang/Driver/ToolChain.h"
+
+#include "clang/Basic/Version.h"
+
+#include "llvm/ADT/ArrayRef.h"
+#include "llvm/ADT/StringSet.h"
+#include "llvm/ADT/OwningPtr.h"
+#include "llvm/Support/ErrorHandling.h"
+#include "llvm/Support/PrettyStackTrace.h"
+#include "llvm/Support/raw_ostream.h"
+#include "llvm/Support/FileSystem.h"
+#include "llvm/Support/Path.h"
+#include "llvm/Support/Program.h"
+
+#include "InputInfo.h"
+#include "ToolChains.h"
+
+#include <map>
+
+#include "clang/Config/config.h"
+
+using namespace clang::driver;
+using namespace clang;
+
+Driver::Driver(StringRef ClangExecutable,
+ StringRef DefaultTargetTriple,
+ StringRef DefaultImageName,
+ bool IsProduction,
+ DiagnosticsEngine &Diags)
+ : Opts(createDriverOptTable()), Diags(Diags),
+ ClangExecutable(ClangExecutable), SysRoot(DEFAULT_SYSROOT),
+ UseStdLib(true), DefaultTargetTriple(DefaultTargetTriple),
+ DefaultImageName(DefaultImageName),
+ DriverTitle("clang \"gcc-compatible\" driver"),
+ CCPrintOptionsFilename(0), CCPrintHeadersFilename(0),
+ CCLogDiagnosticsFilename(0), CCCIsCXX(false),
+ CCCIsCPP(false),CCCEcho(false), CCCPrintBindings(false),
+ CCPrintOptions(false), CCPrintHeaders(false), CCLogDiagnostics(false),
+ CCGenDiagnostics(false), CCCGenericGCCName(""), CheckInputsExist(true),
+ CCCUseClang(true), CCCUseClangCXX(true), CCCUseClangCPP(true),
+ CCCUsePCH(true), SuppressMissingInputWarning(false) {
+ if (IsProduction) {
+ // In a "production" build, only use clang on architectures we expect to
+ // work.
+ //
+ // During development its more convenient to always have the driver use
+ // clang, but we don't want users to be confused when things don't work, or
+ // to file bugs for things we don't support.
+ CCCClangArchs.insert(llvm::Triple::x86);
+ CCCClangArchs.insert(llvm::Triple::x86_64);
+ CCCClangArchs.insert(llvm::Triple::arm);
+ }
+
+ Name = llvm::sys::path::stem(ClangExecutable);
+ Dir = llvm::sys::path::parent_path(ClangExecutable);
+
+ // Compute the path to the resource directory.
+ StringRef ClangResourceDir(CLANG_RESOURCE_DIR);
+ SmallString<128> P(Dir);
+ if (ClangResourceDir != "")
+ llvm::sys::path::append(P, ClangResourceDir);
+ else
+ llvm::sys::path::append(P, "..", "lib", "clang", CLANG_VERSION_STRING);
+ ResourceDir = P.str();
+}
+
+Driver::~Driver() {
+ delete Opts;
+
+ for (llvm::StringMap<ToolChain *>::iterator I = ToolChains.begin(),
+ E = ToolChains.end();
+ I != E; ++I)
+ delete I->second;
+}
+
+InputArgList *Driver::ParseArgStrings(ArrayRef<const char *> ArgList) {
+ llvm::PrettyStackTraceString CrashInfo("Command line argument parsing");
+ unsigned MissingArgIndex, MissingArgCount;
+ InputArgList *Args = getOpts().ParseArgs(ArgList.begin(), ArgList.end(),
+ MissingArgIndex, MissingArgCount);
+
+ // Check for missing argument error.
+ if (MissingArgCount)
+ Diag(clang::diag::err_drv_missing_argument)
+ << Args->getArgString(MissingArgIndex) << MissingArgCount;
+
+ // Check for unsupported options.
+ for (ArgList::const_iterator it = Args->begin(), ie = Args->end();
+ it != ie; ++it) {
+ Arg *A = *it;
+ if (A->getOption().isUnsupported()) {
+ Diag(clang::diag::err_drv_unsupported_opt) << A->getAsString(*Args);
+ continue;
+ }
+
+ // Warn about -mcpu= without an argument.
+ if (A->getOption().matches(options::OPT_mcpu_EQ) &&
+ A->containsValue("")) {
+ Diag(clang::diag::warn_drv_empty_joined_argument) << A->getAsString(*Args);
+ }
+ }
+
+ return Args;
+}
+
+// Determine which compilation mode we are in. We look for options which
+// affect the phase, starting with the earliest phases, and record which
+// option we used to determine the final phase.
+phases::ID Driver::getFinalPhase(const DerivedArgList &DAL, Arg **FinalPhaseArg)
+const {
+ Arg *PhaseArg = 0;
+ phases::ID FinalPhase;
+
+ // -{E,M,MM} only run the preprocessor.
+ if (CCCIsCPP ||
+ (PhaseArg = DAL.getLastArg(options::OPT_E)) ||
+ (PhaseArg = DAL.getLastArg(options::OPT_M, options::OPT_MM))) {
+ FinalPhase = phases::Preprocess;
+
+ // -{fsyntax-only,-analyze,emit-ast,S} only run up to the compiler.
+ } else if ((PhaseArg = DAL.getLastArg(options::OPT_fsyntax_only)) ||
+ (PhaseArg = DAL.getLastArg(options::OPT_rewrite_objc)) ||
+ (PhaseArg = DAL.getLastArg(options::OPT_rewrite_legacy_objc)) ||
+ (PhaseArg = DAL.getLastArg(options::OPT__migrate)) ||
+ (PhaseArg = DAL.getLastArg(options::OPT__analyze,
+ options::OPT__analyze_auto)) ||
+ (PhaseArg = DAL.getLastArg(options::OPT_emit_ast)) ||
+ (PhaseArg = DAL.getLastArg(options::OPT_S))) {
+ FinalPhase = phases::Compile;
+
+ // -c only runs up to the assembler.
+ } else if ((PhaseArg = DAL.getLastArg(options::OPT_c))) {
+ FinalPhase = phases::Assemble;
+
+ // Otherwise do everything.
+ } else
+ FinalPhase = phases::Link;
+
+ if (FinalPhaseArg)
+ *FinalPhaseArg = PhaseArg;
+
+ return FinalPhase;
+}
+
+DerivedArgList *Driver::TranslateInputArgs(const InputArgList &Args) const {
+ DerivedArgList *DAL = new DerivedArgList(Args);
+
+ bool HasNostdlib = Args.hasArg(options::OPT_nostdlib);
+ for (ArgList::const_iterator it = Args.begin(),
+ ie = Args.end(); it != ie; ++it) {
+ const Arg *A = *it;
+
+ // Unfortunately, we have to parse some forwarding options (-Xassembler,
+ // -Xlinker, -Xpreprocessor) because we either integrate their functionality
+ // (assembler and preprocessor), or bypass a previous driver ('collect2').
+
+ // Rewrite linker options, to replace --no-demangle with a custom internal
+ // option.
+ if ((A->getOption().matches(options::OPT_Wl_COMMA) ||
+ A->getOption().matches(options::OPT_Xlinker)) &&
+ A->containsValue("--no-demangle")) {
+ // Add the rewritten no-demangle argument.
+ DAL->AddFlagArg(A, Opts->getOption(options::OPT_Z_Xlinker__no_demangle));
+
+ // Add the remaining values as Xlinker arguments.
+ for (unsigned i = 0, e = A->getNumValues(); i != e; ++i)
+ if (StringRef(A->getValue(Args, i)) != "--no-demangle")
+ DAL->AddSeparateArg(A, Opts->getOption(options::OPT_Xlinker),
+ A->getValue(Args, i));
+
+ continue;
+ }
+
+ // Rewrite preprocessor options, to replace -Wp,-MD,FOO which is used by
+ // some build systems. We don't try to be complete here because we don't
+ // care to encourage this usage model.
+ if (A->getOption().matches(options::OPT_Wp_COMMA) &&
+ A->getNumValues() == 2 &&
+ (A->getValue(Args, 0) == StringRef("-MD") ||
+ A->getValue(Args, 0) == StringRef("-MMD"))) {
+ // Rewrite to -MD/-MMD along with -MF.
+ if (A->getValue(Args, 0) == StringRef("-MD"))
+ DAL->AddFlagArg(A, Opts->getOption(options::OPT_MD));
+ else
+ DAL->AddFlagArg(A, Opts->getOption(options::OPT_MMD));
+ DAL->AddSeparateArg(A, Opts->getOption(options::OPT_MF),
+ A->getValue(Args, 1));
+ continue;
+ }
+
+ // Rewrite reserved library names.
+ if (A->getOption().matches(options::OPT_l)) {
+ StringRef Value = A->getValue(Args);
+
+ // Rewrite unless -nostdlib is present.
+ if (!HasNostdlib && Value == "stdc++") {
+ DAL->AddFlagArg(A, Opts->getOption(
+ options::OPT_Z_reserved_lib_stdcxx));
+ continue;
+ }
+
+ // Rewrite unconditionally.
+ if (Value == "cc_kext") {
+ DAL->AddFlagArg(A, Opts->getOption(
+ options::OPT_Z_reserved_lib_cckext));
+ continue;
+ }
+ }
+
+ DAL->append(*it);
+ }
+
+ // Add a default value of -mlinker-version=, if one was given and the user
+ // didn't specify one.
+#if defined(HOST_LINK_VERSION)
+ if (!Args.hasArg(options::OPT_mlinker_version_EQ)) {
+ DAL->AddJoinedArg(0, Opts->getOption(options::OPT_mlinker_version_EQ),
+ HOST_LINK_VERSION);
+ DAL->getLastArg(options::OPT_mlinker_version_EQ)->claim();
+ }
+#endif
+
+ return DAL;
+}
+
+Compilation *Driver::BuildCompilation(ArrayRef<const char *> ArgList) {
+ llvm::PrettyStackTraceString CrashInfo("Compilation construction");
+
+ // FIXME: Handle environment options which affect driver behavior, somewhere
+ // (client?). GCC_EXEC_PREFIX, LPATH, CC_PRINT_OPTIONS.
+
+ if (char *env = ::getenv("COMPILER_PATH")) {
+ StringRef CompilerPath = env;
+ while (!CompilerPath.empty()) {
+ std::pair<StringRef, StringRef> Split = CompilerPath.split(':');
+ PrefixDirs.push_back(Split.first);
+ CompilerPath = Split.second;
+ }
+ }
+
+ // FIXME: What are we going to do with -V and -b?
+
+ // FIXME: This stuff needs to go into the Compilation, not the driver.
+ bool CCCPrintOptions = false, CCCPrintActions = false;
+
+ InputArgList *Args = ParseArgStrings(ArgList.slice(1));
+
+ // -no-canonical-prefixes is used very early in main.
+ Args->ClaimAllArgs(options::OPT_no_canonical_prefixes);
+
+ // Ignore -pipe.
+ Args->ClaimAllArgs(options::OPT_pipe);
+
+ // Extract -ccc args.
+ //
+ // FIXME: We need to figure out where this behavior should live. Most of it
+ // should be outside in the client; the parts that aren't should have proper
+ // options, either by introducing new ones or by overloading gcc ones like -V
+ // or -b.
+ CCCPrintOptions = Args->hasArg(options::OPT_ccc_print_options);
+ CCCPrintActions = Args->hasArg(options::OPT_ccc_print_phases);
+ CCCPrintBindings = Args->hasArg(options::OPT_ccc_print_bindings);
+ CCCIsCXX = Args->hasArg(options::OPT_ccc_cxx) || CCCIsCXX;
+ CCCEcho = Args->hasArg(options::OPT_ccc_echo);
+ if (const Arg *A = Args->getLastArg(options::OPT_ccc_gcc_name))
+ CCCGenericGCCName = A->getValue(*Args);
+ CCCUseClangCXX = Args->hasFlag(options::OPT_ccc_clang_cxx,
+ options::OPT_ccc_no_clang_cxx,
+ CCCUseClangCXX);
+ CCCUsePCH = Args->hasFlag(options::OPT_ccc_pch_is_pch,
+ options::OPT_ccc_pch_is_pth);
+ CCCUseClang = !Args->hasArg(options::OPT_ccc_no_clang);
+ CCCUseClangCPP = !Args->hasArg(options::OPT_ccc_no_clang_cpp);
+ if (const Arg *A = Args->getLastArg(options::OPT_ccc_clang_archs)) {
+ StringRef Cur = A->getValue(*Args);
+
+ CCCClangArchs.clear();
+ while (!Cur.empty()) {
+ std::pair<StringRef, StringRef> Split = Cur.split(',');
+
+ if (!Split.first.empty()) {
+ llvm::Triple::ArchType Arch =
+ llvm::Triple(Split.first, "", "").getArch();
+
+ if (Arch == llvm::Triple::UnknownArch)
+ Diag(clang::diag::err_drv_invalid_arch_name) << Split.first;
+
+ CCCClangArchs.insert(Arch);
+ }
+
+ Cur = Split.second;
+ }
+ }
+ // FIXME: DefaultTargetTriple is used by the target-prefixed calls to as/ld
+ // and getToolChain is const.
+ if (const Arg *A = Args->getLastArg(options::OPT_target))
+ DefaultTargetTriple = A->getValue(*Args);
+ if (const Arg *A = Args->getLastArg(options::OPT_ccc_install_dir))
+ Dir = InstalledDir = A->getValue(*Args);
+ for (arg_iterator it = Args->filtered_begin(options::OPT_B),
+ ie = Args->filtered_end(); it != ie; ++it) {
+ const Arg *A = *it;
+ A->claim();
+ PrefixDirs.push_back(A->getValue(*Args, 0));
+ }
+ if (const Arg *A = Args->getLastArg(options::OPT__sysroot_EQ))
+ SysRoot = A->getValue(*Args);
+ if (Args->hasArg(options::OPT_nostdlib))
+ UseStdLib = false;
+
+ // Perform the default argument translations.
+ DerivedArgList *TranslatedArgs = TranslateInputArgs(*Args);
+
+ // Owned by the host.
+ const ToolChain &TC = getToolChain(*Args);
+
+ // The compilation takes ownership of Args.
+ Compilation *C = new Compilation(*this, TC, Args, TranslatedArgs);
+
+ // FIXME: This behavior shouldn't be here.
+ if (CCCPrintOptions) {
+ PrintOptions(C->getInputArgs());
+ return C;
+ }
+
+ if (!HandleImmediateArgs(*C))
+ return C;
+
+ // Construct the list of inputs.
+ InputList Inputs;
+ BuildInputs(C->getDefaultToolChain(), C->getArgs(), Inputs);
+
+ // Construct the list of abstract actions to perform for this compilation. On
+ // Darwin target OSes this uses the driver-driver and universal actions.
+ if (TC.getTriple().isOSDarwin())
+ BuildUniversalActions(C->getDefaultToolChain(), C->getArgs(),
+ Inputs, C->getActions());
+ else
+ BuildActions(C->getDefaultToolChain(), C->getArgs(), Inputs,
+ C->getActions());
+
+ if (CCCPrintActions) {
+ PrintActions(*C);
+ return C;
+ }
+
+ BuildJobs(*C);
+
+ return C;
+}
+
+// When clang crashes, produce diagnostic information including the fully
+// preprocessed source file(s). Request that the developer attach the
+// diagnostic information to a bug report.
+void Driver::generateCompilationDiagnostics(Compilation &C,
+ const Command *FailingCommand) {
+ if (C.getArgs().hasArg(options::OPT_fno_crash_diagnostics))
+ return;
+
+ // Don't try to generate diagnostics for link jobs.
+ if (FailingCommand->getCreator().isLinkJob())
+ return;
+
+ Diag(clang::diag::note_drv_command_failed_diag_msg)
+ << "Please submit a bug report to " BUG_REPORT_URL " and include command"
+ " line arguments and all diagnostic information.";
+
+ // Suppress driver output and emit preprocessor output to temp file.
+ CCCIsCPP = true;
+ CCGenDiagnostics = true;
+
+ // Save the original job command(s).
+ std::string Cmd;
+ llvm::raw_string_ostream OS(Cmd);
+ C.PrintJob(OS, C.getJobs(), "\n", false);
+ OS.flush();
+
+ // Clear stale state and suppress tool output.
+ C.initCompilationForDiagnostics();
+ Diags.Reset();
+
+ // Construct the list of inputs.
+ InputList Inputs;
+ BuildInputs(C.getDefaultToolChain(), C.getArgs(), Inputs);
+
+ for (InputList::iterator it = Inputs.begin(), ie = Inputs.end(); it != ie;) {
+ bool IgnoreInput = false;
+
+ // Ignore input from stdin or any inputs that cannot be preprocessed.
+ if (!strcmp(it->second->getValue(C.getArgs()), "-")) {
+ Diag(clang::diag::note_drv_command_failed_diag_msg)
+ << "Error generating preprocessed source(s) - ignoring input from stdin"
+ ".";
+ IgnoreInput = true;
+ } else if (types::getPreprocessedType(it->first) == types::TY_INVALID) {
+ IgnoreInput = true;
+ }
+
+ if (IgnoreInput) {
+ it = Inputs.erase(it);
+ ie = Inputs.end();
+ } else {
+ ++it;
+ }
+ }
+
+ // Don't attempt to generate preprocessed files if multiple -arch options are
+ // used, unless they're all duplicates.
+ llvm::StringSet<> ArchNames;
+ for (ArgList::const_iterator it = C.getArgs().begin(), ie = C.getArgs().end();
+ it != ie; ++it) {
+ Arg *A = *it;
+ if (A->getOption().matches(options::OPT_arch)) {
+ StringRef ArchName = A->getValue(C.getArgs());
+ ArchNames.insert(ArchName);
+ }
+ }
+ if (ArchNames.size() > 1) {
+ Diag(clang::diag::note_drv_command_failed_diag_msg)
+ << "Error generating preprocessed source(s) - cannot generate "
+ "preprocessed source with multiple -arch options.";
+ return;
+ }
+
+ if (Inputs.empty()) {
+ Diag(clang::diag::note_drv_command_failed_diag_msg)
+ << "Error generating preprocessed source(s) - no preprocessable inputs.";
+ return;
+ }
+
+ // Construct the list of abstract actions to perform for this compilation. On
+ // Darwin OSes this uses the driver-driver and builds universal actions.
+ const ToolChain &TC = C.getDefaultToolChain();
+ if (TC.getTriple().isOSDarwin())
+ BuildUniversalActions(TC, C.getArgs(), Inputs, C.getActions());
+ else
+ BuildActions(TC, C.getArgs(), Inputs, C.getActions());
+
+ BuildJobs(C);
+
+ // If there were errors building the compilation, quit now.
+ if (Diags.hasErrorOccurred()) {
+ Diag(clang::diag::note_drv_command_failed_diag_msg)
+ << "Error generating preprocessed source(s).";
+ return;
+ }
+
+ // Generate preprocessed output.
+ FailingCommand = 0;
+ int Res = C.ExecuteJob(C.getJobs(), FailingCommand);
+
+ // If the command succeeded, we are done.
+ if (Res == 0) {
+ Diag(clang::diag::note_drv_command_failed_diag_msg)
+ << "Preprocessed source(s) and associated run script(s) are located at:";
+ ArgStringList Files = C.getTempFiles();
+ for (ArgStringList::const_iterator it = Files.begin(), ie = Files.end();
+ it != ie; ++it) {
+ Diag(clang::diag::note_drv_command_failed_diag_msg) << *it;
+
+ std::string Err;
+ std::string Script = StringRef(*it).rsplit('.').first;
+ Script += ".sh";
+ llvm::raw_fd_ostream ScriptOS(Script.c_str(), Err,
+ llvm::raw_fd_ostream::F_Excl |
+ llvm::raw_fd_ostream::F_Binary);
+ if (!Err.empty()) {
+ Diag(clang::diag::note_drv_command_failed_diag_msg)
+ << "Error generating run script: " + Script + " " + Err;
+ } else {
+ ScriptOS << Cmd;
+ Diag(clang::diag::note_drv_command_failed_diag_msg) << Script;
+ }
+ }
+ } else {
+ // Failure, remove preprocessed files.
+ if (!C.getArgs().hasArg(options::OPT_save_temps))
+ C.CleanupFileList(C.getTempFiles(), true);
+
+ Diag(clang::diag::note_drv_command_failed_diag_msg)
+ << "Error generating preprocessed source(s).";
+ }
+}
+
+int Driver::ExecuteCompilation(const Compilation &C,
+ const Command *&FailingCommand) const {
+ // Just print if -### was present.
+ if (C.getArgs().hasArg(options::OPT__HASH_HASH_HASH)) {
+ C.PrintJob(llvm::errs(), C.getJobs(), "\n", true);
+ return 0;
+ }
+
+ // If there were errors building the compilation, quit now.
+ if (Diags.hasErrorOccurred())
+ return 1;
+
+ int Res = C.ExecuteJob(C.getJobs(), FailingCommand);
+
+ // Remove temp files.
+ C.CleanupFileList(C.getTempFiles());
+
+ // If the command succeeded, we are done.
+ if (Res == 0)
+ return Res;
+
+ // Otherwise, remove result files as well.
+ if (!C.getArgs().hasArg(options::OPT_save_temps)) {
+ C.CleanupFileList(C.getResultFiles(), true);
+
+ // Failure result files are valid unless we crashed.
+ if (Res < 0) {
+ C.CleanupFileList(C.getFailureResultFiles(), true);
+#ifdef _WIN32
+ // Exit status should not be negative on Win32,
+ // unless abnormal termination.
+ Res = 1;
+#endif
+ }
+ }
+
+ // Print extra information about abnormal failures, if possible.
+ //
+ // This is ad-hoc, but we don't want to be excessively noisy. If the result
+ // status was 1, assume the command failed normally. In particular, if it was
+ // the compiler then assume it gave a reasonable error code. Failures in other
+ // tools are less common, and they generally have worse diagnostics, so always
+ // print the diagnostic there.
+ const Tool &FailingTool = FailingCommand->getCreator();
+
+ if (!FailingCommand->getCreator().hasGoodDiagnostics() || Res != 1) {
+ // FIXME: See FIXME above regarding result code interpretation.
+ if (Res < 0)
+ Diag(clang::diag::err_drv_command_signalled)
+ << FailingTool.getShortName();
+ else
+ Diag(clang::diag::err_drv_command_failed)
+ << FailingTool.getShortName() << Res;
+ }
+
+ return Res;
+}
+
+void Driver::PrintOptions(const ArgList &Args) const {
+ unsigned i = 0;
+ for (ArgList::const_iterator it = Args.begin(), ie = Args.end();
+ it != ie; ++it, ++i) {
+ Arg *A = *it;
+ llvm::errs() << "Option " << i << " - "
+ << "Name: \"" << A->getOption().getName() << "\", "
+ << "Values: {";
+ for (unsigned j = 0; j < A->getNumValues(); ++j) {
+ if (j)
+ llvm::errs() << ", ";
+ llvm::errs() << '"' << A->getValue(Args, j) << '"';
+ }
+ llvm::errs() << "}\n";
+ }
+}
+
+void Driver::PrintHelp(bool ShowHidden) const {
+ getOpts().PrintHelp(llvm::outs(), Name.c_str(), DriverTitle.c_str(),
+ ShowHidden);
+}
+
+void Driver::PrintVersion(const Compilation &C, raw_ostream &OS) const {
+ // FIXME: The following handlers should use a callback mechanism, we don't
+ // know what the client would like to do.
+ OS << getClangFullVersion() << '\n';
+ const ToolChain &TC = C.getDefaultToolChain();
+ OS << "Target: " << TC.getTripleString() << '\n';
+
+ // Print the threading model.
+ //
+ // FIXME: Implement correctly.
+ OS << "Thread model: " << "posix" << '\n';
+}
+
+/// PrintDiagnosticCategories - Implement the --print-diagnostic-categories
+/// option.
+static void PrintDiagnosticCategories(raw_ostream &OS) {
+ // Skip the empty category.
+ for (unsigned i = 1, max = DiagnosticIDs::getNumberOfCategories();
+ i != max; ++i)
+ OS << i << ',' << DiagnosticIDs::getCategoryNameFromID(i) << '\n';
+}
+
+bool Driver::HandleImmediateArgs(const Compilation &C) {
+ // The order these options are handled in gcc is all over the place, but we
+ // don't expect inconsistencies w.r.t. that to matter in practice.
+
+ if (C.getArgs().hasArg(options::OPT_dumpmachine)) {
+ llvm::outs() << C.getDefaultToolChain().getTripleString() << '\n';
+ return false;
+ }
+
+ if (C.getArgs().hasArg(options::OPT_dumpversion)) {
+ // Since -dumpversion is only implemented for pedantic GCC compatibility, we
+ // return an answer which matches our definition of __VERSION__.
+ //
+ // If we want to return a more correct answer some day, then we should
+ // introduce a non-pedantically GCC compatible mode to Clang in which we
+ // provide sensible definitions for -dumpversion, __VERSION__, etc.
+ llvm::outs() << "4.2.1\n";
+ return false;
+ }
+
+ if (C.getArgs().hasArg(options::OPT__print_diagnostic_categories)) {
+ PrintDiagnosticCategories(llvm::outs());
+ return false;
+ }
+
+ if (C.getArgs().hasArg(options::OPT__help) ||
+ C.getArgs().hasArg(options::OPT__help_hidden)) {
+ PrintHelp(C.getArgs().hasArg(options::OPT__help_hidden));
+ return false;
+ }
+
+ if (C.getArgs().hasArg(options::OPT__version)) {
+ // Follow gcc behavior and use stdout for --version and stderr for -v.
+ PrintVersion(C, llvm::outs());
+ return false;
+ }
+
+ if (C.getArgs().hasArg(options::OPT_v) ||
+ C.getArgs().hasArg(options::OPT__HASH_HASH_HASH)) {
+ PrintVersion(C, llvm::errs());
+ SuppressMissingInputWarning = true;
+ }
+
+ const ToolChain &TC = C.getDefaultToolChain();
+ if (C.getArgs().hasArg(options::OPT_print_search_dirs)) {
+ llvm::outs() << "programs: =";
+ for (ToolChain::path_list::const_iterator it = TC.getProgramPaths().begin(),
+ ie = TC.getProgramPaths().end(); it != ie; ++it) {
+ if (it != TC.getProgramPaths().begin())
+ llvm::outs() << ':';
+ llvm::outs() << *it;
+ }
+ llvm::outs() << "\n";
+ llvm::outs() << "libraries: =" << ResourceDir;
+
+ StringRef sysroot = C.getSysRoot();
+
+ for (ToolChain::path_list::const_iterator it = TC.getFilePaths().begin(),
+ ie = TC.getFilePaths().end(); it != ie; ++it) {
+ llvm::outs() << ':';
+ const char *path = it->c_str();
+ if (path[0] == '=')
+ llvm::outs() << sysroot << path + 1;
+ else
+ llvm::outs() << path;
+ }
+ llvm::outs() << "\n";
+ return false;
+ }
+
+ // FIXME: The following handlers should use a callback mechanism, we don't
+ // know what the client would like to do.
+ if (Arg *A = C.getArgs().getLastArg(options::OPT_print_file_name_EQ)) {
+ llvm::outs() << GetFilePath(A->getValue(C.getArgs()), TC) << "\n";
+ return false;
+ }
+
+ if (Arg *A = C.getArgs().getLastArg(options::OPT_print_prog_name_EQ)) {
+ llvm::outs() << GetProgramPath(A->getValue(C.getArgs()), TC) << "\n";
+ return false;
+ }
+
+ if (C.getArgs().hasArg(options::OPT_print_libgcc_file_name)) {
+ llvm::outs() << GetFilePath("libgcc.a", TC) << "\n";
+ return false;
+ }
+
+ if (C.getArgs().hasArg(options::OPT_print_multi_lib)) {
+ // FIXME: We need tool chain support for this.
+ llvm::outs() << ".;\n";
+
+ switch (C.getDefaultToolChain().getTriple().getArch()) {
+ default:
+ break;
+
+ case llvm::Triple::x86_64:
+ llvm::outs() << "x86_64;@m64" << "\n";
+ break;
+
+ case llvm::Triple::ppc64:
+ llvm::outs() << "ppc64;@m64" << "\n";
+ break;
+ }
+ return false;
+ }
+
+ // FIXME: What is the difference between print-multi-directory and
+ // print-multi-os-directory?
+ if (C.getArgs().hasArg(options::OPT_print_multi_directory) ||
+ C.getArgs().hasArg(options::OPT_print_multi_os_directory)) {
+ switch (C.getDefaultToolChain().getTriple().getArch()) {
+ default:
+ case llvm::Triple::x86:
+ case llvm::Triple::ppc:
+ llvm::outs() << "." << "\n";
+ break;
+
+ case llvm::Triple::x86_64:
+ llvm::outs() << "x86_64" << "\n";
+ break;
+
+ case llvm::Triple::ppc64:
+ llvm::outs() << "ppc64" << "\n";
+ break;
+ }
+ return false;
+ }
+
+ return true;
+}
+
+static unsigned PrintActions1(const Compilation &C, Action *A,
+ std::map<Action*, unsigned> &Ids) {
+ if (Ids.count(A))
+ return Ids[A];
+
+ std::string str;
+ llvm::raw_string_ostream os(str);
+
+ os << Action::getClassName(A->getKind()) << ", ";
+ if (InputAction *IA = dyn_cast<InputAction>(A)) {
+ os << "\"" << IA->getInputArg().getValue(C.getArgs()) << "\"";
+ } else if (BindArchAction *BIA = dyn_cast<BindArchAction>(A)) {
+ os << '"' << (BIA->getArchName() ? BIA->getArchName() :
+ C.getDefaultToolChain().getArchName()) << '"'
+ << ", {" << PrintActions1(C, *BIA->begin(), Ids) << "}";
+ } else {
+ os << "{";
+ for (Action::iterator it = A->begin(), ie = A->end(); it != ie;) {
+ os << PrintActions1(C, *it, Ids);
+ ++it;
+ if (it != ie)
+ os << ", ";
+ }
+ os << "}";
+ }
+
+ unsigned Id = Ids.size();
+ Ids[A] = Id;
+ llvm::errs() << Id << ": " << os.str() << ", "
+ << types::getTypeName(A->getType()) << "\n";
+
+ return Id;
+}
+
+void Driver::PrintActions(const Compilation &C) const {
+ std::map<Action*, unsigned> Ids;
+ for (ActionList::const_iterator it = C.getActions().begin(),
+ ie = C.getActions().end(); it != ie; ++it)
+ PrintActions1(C, *it, Ids);
+}
+
+/// \brief Check whether the given input tree contains any compilation or
+/// assembly actions.
+static bool ContainsCompileOrAssembleAction(const Action *A) {
+ if (isa<CompileJobAction>(A) || isa<AssembleJobAction>(A))
+ return true;
+
+ for (Action::const_iterator it = A->begin(), ie = A->end(); it != ie; ++it)
+ if (ContainsCompileOrAssembleAction(*it))
+ return true;
+
+ return false;
+}
+
+void Driver::BuildUniversalActions(const ToolChain &TC,
+ const DerivedArgList &Args,
+ const InputList &BAInputs,
+ ActionList &Actions) const {
+ llvm::PrettyStackTraceString CrashInfo("Building universal build actions");
+ // Collect the list of architectures. Duplicates are allowed, but should only
+ // be handled once (in the order seen).
+ llvm::StringSet<> ArchNames;
+ SmallVector<const char *, 4> Archs;
+ for (ArgList::const_iterator it = Args.begin(), ie = Args.end();
+ it != ie; ++it) {
+ Arg *A = *it;
+
+ if (A->getOption().matches(options::OPT_arch)) {
+ // Validate the option here; we don't save the type here because its
+ // particular spelling may participate in other driver choices.
+ llvm::Triple::ArchType Arch =
+ llvm::Triple::getArchTypeForDarwinArchName(A->getValue(Args));
+ if (Arch == llvm::Triple::UnknownArch) {
+ Diag(clang::diag::err_drv_invalid_arch_name)
+ << A->getAsString(Args);
+ continue;
+ }
+
+ A->claim();
+ if (ArchNames.insert(A->getValue(Args)))
+ Archs.push_back(A->getValue(Args));
+ }
+ }
+
+ // When there is no explicit arch for this platform, make sure we still bind
+ // the architecture (to the default) so that -Xarch_ is handled correctly.
+ if (!Archs.size())
+ Archs.push_back(0);
+
+ // FIXME: We killed off some others but these aren't yet detected in a
+ // functional manner. If we added information to jobs about which "auxiliary"
+ // files they wrote then we could detect the conflict these cause downstream.
+ if (Archs.size() > 1) {
+ // No recovery needed, the point of this is just to prevent
+ // overwriting the same files.
+ if (const Arg *A = Args.getLastArg(options::OPT_save_temps))
+ Diag(clang::diag::err_drv_invalid_opt_with_multiple_archs)
+ << A->getAsString(Args);
+ }
+
+ ActionList SingleActions;
+ BuildActions(TC, Args, BAInputs, SingleActions);
+
+ // Add in arch bindings for every top level action, as well as lipo and
+ // dsymutil steps if needed.
+ for (unsigned i = 0, e = SingleActions.size(); i != e; ++i) {
+ Action *Act = SingleActions[i];
+
+ // Make sure we can lipo this kind of output. If not (and it is an actual
+ // output) then we disallow, since we can't create an output file with the
+ // right name without overwriting it. We could remove this oddity by just
+ // changing the output names to include the arch, which would also fix
+ // -save-temps. Compatibility wins for now.
+
+ if (Archs.size() > 1 && !types::canLipoType(Act->getType()))
+ Diag(clang::diag::err_drv_invalid_output_with_multiple_archs)
+ << types::getTypeName(Act->getType());
+
+ ActionList Inputs;
+ for (unsigned i = 0, e = Archs.size(); i != e; ++i) {
+ Inputs.push_back(new BindArchAction(Act, Archs[i]));
+ if (i != 0)
+ Inputs.back()->setOwnsInputs(false);
+ }
+
+ // Lipo if necessary, we do it this way because we need to set the arch flag
+ // so that -Xarch_ gets overwritten.
+ if (Inputs.size() == 1 || Act->getType() == types::TY_Nothing)
+ Actions.append(Inputs.begin(), Inputs.end());
+ else
+ Actions.push_back(new LipoJobAction(Inputs, Act->getType()));
+
+ // Handle debug info queries.
+ Arg *A = Args.getLastArg(options::OPT_g_Group);
+ if (A && !A->getOption().matches(options::OPT_g0) &&
+ !A->getOption().matches(options::OPT_gstabs) &&
+ ContainsCompileOrAssembleAction(Actions.back())) {
+
+ // Add a 'dsymutil' step if necessary, when debug info is enabled and we
+ // have a compile input. We need to run 'dsymutil' ourselves in such cases
+ // because the debug info will refer to a temporary object file which is
+ // will be removed at the end of the compilation process.
+ if (Act->getType() == types::TY_Image) {
+ ActionList Inputs;
+ Inputs.push_back(Actions.back());
+ Actions.pop_back();
+ Actions.push_back(new DsymutilJobAction(Inputs, types::TY_dSYM));
+ }
+
+ // Verify the output (debug information only) if we passed '-verify'.
+ if (Args.hasArg(options::OPT_verify)) {
+ ActionList VerifyInputs;
+ VerifyInputs.push_back(Actions.back());
+ Actions.pop_back();
+ Actions.push_back(new VerifyJobAction(VerifyInputs,
+ types::TY_Nothing));
+ }
+ }
+ }
+}
+
+// Construct a the list of inputs and their types.
+void Driver::BuildInputs(const ToolChain &TC, const DerivedArgList &Args,
+ InputList &Inputs) const {
+ // Track the current user specified (-x) input. We also explicitly track the
+ // argument used to set the type; we only want to claim the type when we
+ // actually use it, so we warn about unused -x arguments.
+ types::ID InputType = types::TY_Nothing;
+ Arg *InputTypeArg = 0;
+
+ for (ArgList::const_iterator it = Args.begin(), ie = Args.end();
+ it != ie; ++it) {
+ Arg *A = *it;
+
+ if (isa<InputOption>(A->getOption())) {
+ const char *Value = A->getValue(Args);
+ types::ID Ty = types::TY_INVALID;
+
+ // Infer the input type if necessary.
+ if (InputType == types::TY_Nothing) {
+ // If there was an explicit arg for this, claim it.
+ if (InputTypeArg)
+ InputTypeArg->claim();
+
+ // stdin must be handled specially.
+ if (memcmp(Value, "-", 2) == 0) {
+ // If running with -E, treat as a C input (this changes the builtin
+ // macros, for example). This may be overridden by -ObjC below.
+ //
+ // Otherwise emit an error but still use a valid type to avoid
+ // spurious errors (e.g., no inputs).
+ if (!Args.hasArgNoClaim(options::OPT_E) && !CCCIsCPP)
+ Diag(clang::diag::err_drv_unknown_stdin_type);
+ Ty = types::TY_C;
+ } else {
+ // Otherwise lookup by extension.
+ // Fallback is C if invoked as C preprocessor or Object otherwise.
+ // We use a host hook here because Darwin at least has its own
+ // idea of what .s is.
+ if (const char *Ext = strrchr(Value, '.'))
+ Ty = TC.LookupTypeForExtension(Ext + 1);
+
+ if (Ty == types::TY_INVALID) {
+ if (CCCIsCPP)
+ Ty = types::TY_C;
+ else
+ Ty = types::TY_Object;
+ }
+
+ // If the driver is invoked as C++ compiler (like clang++ or c++) it
+ // should autodetect some input files as C++ for g++ compatibility.
+ if (CCCIsCXX) {
+ types::ID OldTy = Ty;
+ Ty = types::lookupCXXTypeForCType(Ty);
+
+ if (Ty != OldTy)
+ Diag(clang::diag::warn_drv_treating_input_as_cxx)
+ << getTypeName(OldTy) << getTypeName(Ty);
+ }
+ }
+
+ // -ObjC and -ObjC++ override the default language, but only for "source
+ // files". We just treat everything that isn't a linker input as a
+ // source file.
+ //
+ // FIXME: Clean this up if we move the phase sequence into the type.
+ if (Ty != types::TY_Object) {
+ if (Args.hasArg(options::OPT_ObjC))
+ Ty = types::TY_ObjC;
+ else if (Args.hasArg(options::OPT_ObjCXX))
+ Ty = types::TY_ObjCXX;
+ }
+ } else {
+ assert(InputTypeArg && "InputType set w/o InputTypeArg");
+ InputTypeArg->claim();
+ Ty = InputType;
+ }
+
+ // Check that the file exists, if enabled.
+ if (CheckInputsExist && memcmp(Value, "-", 2) != 0) {
+ SmallString<64> Path(Value);
+ if (Arg *WorkDir = Args.getLastArg(options::OPT_working_directory)) {
+ SmallString<64> Directory(WorkDir->getValue(Args));
+ if (llvm::sys::path::is_absolute(Directory.str())) {
+ llvm::sys::path::append(Directory, Value);
+ Path.assign(Directory);
+ }
+ }
+
+ bool exists = false;
+ if (llvm::sys::fs::exists(Path.c_str(), exists) || !exists)
+ Diag(clang::diag::err_drv_no_such_file) << Path.str();
+ else
+ Inputs.push_back(std::make_pair(Ty, A));
+ } else
+ Inputs.push_back(std::make_pair(Ty, A));
+
+ } else if (A->getOption().isLinkerInput()) {
+ // Just treat as object type, we could make a special type for this if
+ // necessary.
+ Inputs.push_back(std::make_pair(types::TY_Object, A));
+
+ } else if (A->getOption().matches(options::OPT_x)) {
+ InputTypeArg = A;
+ InputType = types::lookupTypeForTypeSpecifier(A->getValue(Args));
+ A->claim();
+
+ // Follow gcc behavior and treat as linker input for invalid -x
+ // options. Its not clear why we shouldn't just revert to unknown; but
+ // this isn't very important, we might as well be bug compatible.
+ if (!InputType) {
+ Diag(clang::diag::err_drv_unknown_language) << A->getValue(Args);
+ InputType = types::TY_Object;
+ }
+ }
+ }
+ if (CCCIsCPP && Inputs.empty()) {
+ // If called as standalone preprocessor, stdin is processed
+ // if no other input is present.
+ unsigned Index = Args.getBaseArgs().MakeIndex("-");
+ Arg *A = Opts->ParseOneArg(Args, Index);
+ A->claim();
+ Inputs.push_back(std::make_pair(types::TY_C, A));
+ }
+}
+
+void Driver::BuildActions(const ToolChain &TC, const DerivedArgList &Args,
+ const InputList &Inputs, ActionList &Actions) const {
+ llvm::PrettyStackTraceString CrashInfo("Building compilation actions");
+
+ if (!SuppressMissingInputWarning && Inputs.empty()) {
+ Diag(clang::diag::err_drv_no_input_files);
+ return;
+ }
+
+ Arg *FinalPhaseArg;
+ phases::ID FinalPhase = getFinalPhase(Args, &FinalPhaseArg);
+
+ // Reject -Z* at the top level, these options should never have been exposed
+ // by gcc.
+ if (Arg *A = Args.getLastArg(options::OPT_Z_Joined))
+ Diag(clang::diag::err_drv_use_of_Z_option) << A->getAsString(Args);
+
+ // Construct the actions to perform.
+ ActionList LinkerInputs;
+ unsigned NumSteps = 0;
+ for (unsigned i = 0, e = Inputs.size(); i != e; ++i) {
+ types::ID InputType = Inputs[i].first;
+ const Arg *InputArg = Inputs[i].second;
+
+ NumSteps = types::getNumCompilationPhases(InputType);
+ assert(NumSteps && "Invalid number of steps!");
+
+ // If the first step comes after the final phase we are doing as part of
+ // this compilation, warn the user about it.
+ phases::ID InitialPhase = types::getCompilationPhase(InputType, 0);
+ if (InitialPhase > FinalPhase) {
+ // Claim here to avoid the more general unused warning.
+ InputArg->claim();
+
+ // Suppress all unused style warnings with -Qunused-arguments
+ if (Args.hasArg(options::OPT_Qunused_arguments))
+ continue;
+
+ // Special case '-E' warning on a previously preprocessed file to make
+ // more sense.
+ if (InitialPhase == phases::Compile && FinalPhase == phases::Preprocess &&
+ getPreprocessedType(InputType) == types::TY_INVALID)
+ Diag(clang::diag::warn_drv_preprocessed_input_file_unused)
+ << InputArg->getAsString(Args)
+ << FinalPhaseArg->getOption().getName();
+ else
+ Diag(clang::diag::warn_drv_input_file_unused)
+ << InputArg->getAsString(Args)
+ << getPhaseName(InitialPhase)
+ << FinalPhaseArg->getOption().getName();
+ continue;
+ }
+
+ // Build the pipeline for this file.
+ OwningPtr<Action> Current(new InputAction(*InputArg, InputType));
+ for (unsigned i = 0; i != NumSteps; ++i) {
+ phases::ID Phase = types::getCompilationPhase(InputType, i);
+
+ // We are done if this step is past what the user requested.
+ if (Phase > FinalPhase)
+ break;
+
+ // Queue linker inputs.
+ if (Phase == phases::Link) {
+ assert(i + 1 == NumSteps && "linking must be final compilation step.");
+ LinkerInputs.push_back(Current.take());
+ break;
+ }
+
+ // Some types skip the assembler phase (e.g., llvm-bc), but we can't
+ // encode this in the steps because the intermediate type depends on
+ // arguments. Just special case here.
+ if (Phase == phases::Assemble && Current->getType() != types::TY_PP_Asm)
+ continue;
+
+ // Otherwise construct the appropriate action.
+ Current.reset(ConstructPhaseAction(Args, Phase, Current.take()));
+ if (Current->getType() == types::TY_Nothing)
+ break;
+ }
+
+ // If we ended with something, add to the output list.
+ if (Current)
+ Actions.push_back(Current.take());
+ }
+
+ // Add a link action if necessary.
+ if (!LinkerInputs.empty())
+ Actions.push_back(new LinkJobAction(LinkerInputs, types::TY_Image));
+
+ // If we are linking, claim any options which are obviously only used for
+ // compilation.
+ if (FinalPhase == phases::Link && (NumSteps == 1))
+ Args.ClaimAllArgs(options::OPT_CompileOnly_Group);
+}
+
+Action *Driver::ConstructPhaseAction(const ArgList &Args, phases::ID Phase,
+ Action *Input) const {
+ llvm::PrettyStackTraceString CrashInfo("Constructing phase actions");
+ // Build the appropriate action.
+ switch (Phase) {
+ case phases::Link: llvm_unreachable("link action invalid here.");
+ case phases::Preprocess: {
+ types::ID OutputTy;
+ // -{M, MM} alter the output type.
+ if (Args.hasArg(options::OPT_M, options::OPT_MM)) {
+ OutputTy = types::TY_Dependencies;
+ } else {
+ OutputTy = types::getPreprocessedType(Input->getType());
+ assert(OutputTy != types::TY_INVALID &&
+ "Cannot preprocess this input type!");
+ }
+ return new PreprocessJobAction(Input, OutputTy);
+ }
+ case phases::Precompile:
+ return new PrecompileJobAction(Input, types::TY_PCH);
+ case phases::Compile: {
+ if (Args.hasArg(options::OPT_fsyntax_only)) {
+ return new CompileJobAction(Input, types::TY_Nothing);
+ } else if (Args.hasArg(options::OPT_rewrite_objc)) {
+ return new CompileJobAction(Input, types::TY_RewrittenObjC);
+ } else if (Args.hasArg(options::OPT_rewrite_legacy_objc)) {
+ return new CompileJobAction(Input, types::TY_RewrittenLegacyObjC);
+ } else if (Args.hasArg(options::OPT__analyze, options::OPT__analyze_auto)) {
+ return new AnalyzeJobAction(Input, types::TY_Plist);
+ } else if (Args.hasArg(options::OPT__migrate)) {
+ return new MigrateJobAction(Input, types::TY_Remap);
+ } else if (Args.hasArg(options::OPT_emit_ast)) {
+ return new CompileJobAction(Input, types::TY_AST);
+ } else if (IsUsingLTO(Args)) {
+ types::ID Output =
+ Args.hasArg(options::OPT_S) ? types::TY_LTO_IR : types::TY_LTO_BC;
+ return new CompileJobAction(Input, Output);
+ } else {
+ return new CompileJobAction(Input, types::TY_PP_Asm);
+ }
+ }
+ case phases::Assemble:
+ return new AssembleJobAction(Input, types::TY_Object);
+ }
+
+ llvm_unreachable("invalid phase in ConstructPhaseAction");
+}
+
+bool Driver::IsUsingLTO(const ArgList &Args) const {
+ // Check for -emit-llvm or -flto.
+ if (Args.hasArg(options::OPT_emit_llvm) ||
+ Args.hasFlag(options::OPT_flto, options::OPT_fno_lto, false))
+ return true;
+
+ // Check for -O4.
+ if (const Arg *A = Args.getLastArg(options::OPT_O_Group))
+ return A->getOption().matches(options::OPT_O4);
+
+ return false;
+}
+
+void Driver::BuildJobs(Compilation &C) const {
+ llvm::PrettyStackTraceString CrashInfo("Building compilation jobs");
+
+ Arg *FinalOutput = C.getArgs().getLastArg(options::OPT_o);
+
+ // It is an error to provide a -o option if we are making multiple output
+ // files.
+ if (FinalOutput) {
+ unsigned NumOutputs = 0;
+ for (ActionList::const_iterator it = C.getActions().begin(),
+ ie = C.getActions().end(); it != ie; ++it)
+ if ((*it)->getType() != types::TY_Nothing)
+ ++NumOutputs;
+
+ if (NumOutputs > 1) {
+ Diag(clang::diag::err_drv_output_argument_with_multiple_files);
+ FinalOutput = 0;
+ }
+ }
+
+ for (ActionList::const_iterator it = C.getActions().begin(),
+ ie = C.getActions().end(); it != ie; ++it) {
+ Action *A = *it;
+
+ // If we are linking an image for multiple archs then the linker wants
+ // -arch_multiple and -final_output <final image name>. Unfortunately, this
+ // doesn't fit in cleanly because we have to pass this information down.
+ //
+ // FIXME: This is a hack; find a cleaner way to integrate this into the
+ // process.
+ const char *LinkingOutput = 0;
+ if (isa<LipoJobAction>(A)) {
+ if (FinalOutput)
+ LinkingOutput = FinalOutput->getValue(C.getArgs());
+ else
+ LinkingOutput = DefaultImageName.c_str();
+ }
+
+ InputInfo II;
+ BuildJobsForAction(C, A, &C.getDefaultToolChain(),
+ /*BoundArch*/0,
+ /*AtTopLevel*/ true,
+ /*LinkingOutput*/ LinkingOutput,
+ II);
+ }
+
+ // If the user passed -Qunused-arguments or there were errors, don't warn
+ // about any unused arguments.
+ if (Diags.hasErrorOccurred() ||
+ C.getArgs().hasArg(options::OPT_Qunused_arguments))
+ return;
+
+ // Claim -### here.
+ (void) C.getArgs().hasArg(options::OPT__HASH_HASH_HASH);
+
+ for (ArgList::const_iterator it = C.getArgs().begin(), ie = C.getArgs().end();
+ it != ie; ++it) {
+ Arg *A = *it;
+
+ // FIXME: It would be nice to be able to send the argument to the
+ // DiagnosticsEngine, so that extra values, position, and so on could be
+ // printed.
+ if (!A->isClaimed()) {
+ if (A->getOption().hasNoArgumentUnused())
+ continue;
+
+ // Suppress the warning automatically if this is just a flag, and it is an
+ // instance of an argument we already claimed.
+ const Option &Opt = A->getOption();
+ if (isa<FlagOption>(Opt)) {
+ bool DuplicateClaimed = false;
+
+ for (arg_iterator it = C.getArgs().filtered_begin(&Opt),
+ ie = C.getArgs().filtered_end(); it != ie; ++it) {
+ if ((*it)->isClaimed()) {
+ DuplicateClaimed = true;
+ break;
+ }
+ }
+
+ if (DuplicateClaimed)
+ continue;
+ }
+
+ Diag(clang::diag::warn_drv_unused_argument)
+ << A->getAsString(C.getArgs());
+ }
+ }
+}
+
+static const Tool &SelectToolForJob(Compilation &C, const ToolChain *TC,
+ const JobAction *JA,
+ const ActionList *&Inputs) {
+ const Tool *ToolForJob = 0;
+
+ // See if we should look for a compiler with an integrated assembler. We match
+ // bottom up, so what we are actually looking for is an assembler job with a
+ // compiler input.
+
+ if (C.getArgs().hasFlag(options::OPT_integrated_as,
+ options::OPT_no_integrated_as,
+ TC->IsIntegratedAssemblerDefault()) &&
+ !C.getArgs().hasArg(options::OPT_save_temps) &&
+ isa<AssembleJobAction>(JA) &&
+ Inputs->size() == 1 && isa<CompileJobAction>(*Inputs->begin())) {
+ const Tool &Compiler = TC->SelectTool(
+ C, cast<JobAction>(**Inputs->begin()), (*Inputs)[0]->getInputs());
+ if (Compiler.hasIntegratedAssembler()) {
+ Inputs = &(*Inputs)[0]->getInputs();
+ ToolForJob = &Compiler;
+ }
+ }
+
+ // Otherwise use the tool for the current job.
+ if (!ToolForJob)
+ ToolForJob = &TC->SelectTool(C, *JA, *Inputs);
+
+ // See if we should use an integrated preprocessor. We do so when we have
+ // exactly one input, since this is the only use case we care about
+ // (irrelevant since we don't support combine yet).
+ if (Inputs->size() == 1 && isa<PreprocessJobAction>(*Inputs->begin()) &&
+ !C.getArgs().hasArg(options::OPT_no_integrated_cpp) &&
+ !C.getArgs().hasArg(options::OPT_traditional_cpp) &&
+ !C.getArgs().hasArg(options::OPT_save_temps) &&
+ ToolForJob->hasIntegratedCPP())
+ Inputs = &(*Inputs)[0]->getInputs();
+
+ return *ToolForJob;
+}
+
+void Driver::BuildJobsForAction(Compilation &C,
+ const Action *A,
+ const ToolChain *TC,
+ const char *BoundArch,
+ bool AtTopLevel,
+ const char *LinkingOutput,
+ InputInfo &Result) const {
+ llvm::PrettyStackTraceString CrashInfo("Building compilation jobs");
+
+ if (const InputAction *IA = dyn_cast<InputAction>(A)) {
+ // FIXME: It would be nice to not claim this here; maybe the old scheme of
+ // just using Args was better?
+ const Arg &Input = IA->getInputArg();
+ Input.claim();
+ if (Input.getOption().matches(options::OPT_INPUT)) {
+ const char *Name = Input.getValue(C.getArgs());
+ Result = InputInfo(Name, A->getType(), Name);
+ } else
+ Result = InputInfo(&Input, A->getType(), "");
+ return;
+ }
+
+ if (const BindArchAction *BAA = dyn_cast<BindArchAction>(A)) {
+ const ToolChain *TC = &C.getDefaultToolChain();
+
+ if (BAA->getArchName())
+ TC = &getToolChain(C.getArgs(), BAA->getArchName());
+
+ BuildJobsForAction(C, *BAA->begin(), TC, BAA->getArchName(),
+ AtTopLevel, LinkingOutput, Result);
+ return;
+ }
+
+ const ActionList *Inputs = &A->getInputs();
+
+ const JobAction *JA = cast<JobAction>(A);
+ const Tool &T = SelectToolForJob(C, TC, JA, Inputs);
+
+ // Only use pipes when there is exactly one input.
+ InputInfoList InputInfos;
+ for (ActionList::const_iterator it = Inputs->begin(), ie = Inputs->end();
+ it != ie; ++it) {
+ // Treat dsymutil sub-jobs as being at the top-level too, they shouldn't get
+ // temporary output names.
+ //
+ // FIXME: Clean this up.
+ bool SubJobAtTopLevel = false;
+ if (AtTopLevel && isa<DsymutilJobAction>(A))
+ SubJobAtTopLevel = true;
+
+ // Also treat verify sub-jobs as being at the top-level. They don't
+ // produce any output and so don't need temporary output names.
+ if (AtTopLevel && isa<VerifyJobAction>(A))
+ SubJobAtTopLevel = true;
+
+ InputInfo II;
+ BuildJobsForAction(C, *it, TC, BoundArch,
+ SubJobAtTopLevel, LinkingOutput, II);
+ InputInfos.push_back(II);
+ }
+
+ // Always use the first input as the base input.
+ const char *BaseInput = InputInfos[0].getBaseInput();
+
+ // ... except dsymutil actions, which use their actual input as the base
+ // input.
+ if (JA->getType() == types::TY_dSYM)
+ BaseInput = InputInfos[0].getFilename();
+
+ // Determine the place to write output to, if any.
+ if (JA->getType() == types::TY_Nothing) {
+ Result = InputInfo(A->getType(), BaseInput);
+ } else {
+ Result = InputInfo(GetNamedOutputPath(C, *JA, BaseInput, AtTopLevel),
+ A->getType(), BaseInput);
+ }
+
+ if (CCCPrintBindings && !CCGenDiagnostics) {
+ llvm::errs() << "# \"" << T.getToolChain().getTripleString() << '"'
+ << " - \"" << T.getName() << "\", inputs: [";
+ for (unsigned i = 0, e = InputInfos.size(); i != e; ++i) {
+ llvm::errs() << InputInfos[i].getAsString();
+ if (i + 1 != e)
+ llvm::errs() << ", ";
+ }
+ llvm::errs() << "], output: " << Result.getAsString() << "\n";
+ } else {
+ T.ConstructJob(C, *JA, Result, InputInfos,
+ C.getArgsForToolChain(TC, BoundArch), LinkingOutput);
+ }
+}
+
+const char *Driver::GetNamedOutputPath(Compilation &C,
+ const JobAction &JA,
+ const char *BaseInput,
+ bool AtTopLevel) const {
+ llvm::PrettyStackTraceString CrashInfo("Computing output path");
+ // Output to a user requested destination?
+ if (AtTopLevel && !isa<DsymutilJobAction>(JA) &&
+ !isa<VerifyJobAction>(JA)) {
+ if (Arg *FinalOutput = C.getArgs().getLastArg(options::OPT_o))
+ return C.addResultFile(FinalOutput->getValue(C.getArgs()));
+ }
+
+ // Default to writing to stdout?
+ if (AtTopLevel && isa<PreprocessJobAction>(JA) && !CCGenDiagnostics)
+ return "-";
+
+ // Output to a temporary file?
+ if ((!AtTopLevel && !C.getArgs().hasArg(options::OPT_save_temps)) ||
+ CCGenDiagnostics) {
+ StringRef Name = llvm::sys::path::filename(BaseInput);
+ std::pair<StringRef, StringRef> Split = Name.split('.');
+ std::string TmpName =
+ GetTemporaryPath(Split.first, types::getTypeTempSuffix(JA.getType()));
+ return C.addTempFile(C.getArgs().MakeArgString(TmpName.c_str()));
+ }
+
+ SmallString<128> BasePath(BaseInput);
+ StringRef BaseName;
+
+ // Dsymutil actions should use the full path.
+ if (isa<DsymutilJobAction>(JA) || isa<VerifyJobAction>(JA))
+ BaseName = BasePath;
+ else
+ BaseName = llvm::sys::path::filename(BasePath);
+
+ // Determine what the derived output name should be.
+ const char *NamedOutput;
+ if (JA.getType() == types::TY_Image) {
+ NamedOutput = DefaultImageName.c_str();
+ } else {
+ const char *Suffix = types::getTypeTempSuffix(JA.getType());
+ assert(Suffix && "All types used for output should have a suffix.");
+
+ std::string::size_type End = std::string::npos;
+ if (!types::appendSuffixForType(JA.getType()))
+ End = BaseName.rfind('.');
+ std::string Suffixed(BaseName.substr(0, End));
+ Suffixed += '.';
+ Suffixed += Suffix;
+ NamedOutput = C.getArgs().MakeArgString(Suffixed.c_str());
+ }
+
+ // If we're saving temps and the temp filename conflicts with the input
+ // filename, then avoid overwriting input file.
+ if (!AtTopLevel && C.getArgs().hasArg(options::OPT_save_temps) &&
+ NamedOutput == BaseName) {
+ StringRef Name = llvm::sys::path::filename(BaseInput);
+ std::pair<StringRef, StringRef> Split = Name.split('.');
+ std::string TmpName =
+ GetTemporaryPath(Split.first, types::getTypeTempSuffix(JA.getType()));
+ return C.addTempFile(C.getArgs().MakeArgString(TmpName.c_str()));
+ }
+
+ // As an annoying special case, PCH generation doesn't strip the pathname.
+ if (JA.getType() == types::TY_PCH) {
+ llvm::sys::path::remove_filename(BasePath);
+ if (BasePath.empty())
+ BasePath = NamedOutput;
+ else
+ llvm::sys::path::append(BasePath, NamedOutput);
+ return C.addResultFile(C.getArgs().MakeArgString(BasePath.c_str()));
+ } else {
+ return C.addResultFile(NamedOutput);
+ }
+}
+
+std::string Driver::GetFilePath(const char *Name, const ToolChain &TC) const {
+ // Respect a limited subset of the '-Bprefix' functionality in GCC by
+ // attempting to use this prefix when lokup up program paths.
+ for (Driver::prefix_list::const_iterator it = PrefixDirs.begin(),
+ ie = PrefixDirs.end(); it != ie; ++it) {
+ std::string Dir(*it);
+ if (Dir.empty())
+ continue;
+ if (Dir[0] == '=')
+ Dir = SysRoot + Dir.substr(1);
+ llvm::sys::Path P(Dir);
+ P.appendComponent(Name);
+ bool Exists;
+ if (!llvm::sys::fs::exists(P.str(), Exists) && Exists)
+ return P.str();
+ }
+
+ llvm::sys::Path P(ResourceDir);
+ P.appendComponent(Name);
+ bool Exists;
+ if (!llvm::sys::fs::exists(P.str(), Exists) && Exists)
+ return P.str();
+
+ const ToolChain::path_list &List = TC.getFilePaths();
+ for (ToolChain::path_list::const_iterator
+ it = List.begin(), ie = List.end(); it != ie; ++it) {
+ std::string Dir(*it);
+ if (Dir.empty())
+ continue;
+ if (Dir[0] == '=')
+ Dir = SysRoot + Dir.substr(1);
+ llvm::sys::Path P(Dir);
+ P.appendComponent(Name);
+ bool Exists;
+ if (!llvm::sys::fs::exists(P.str(), Exists) && Exists)
+ return P.str();
+ }
+
+ return Name;
+}
+
+static bool isPathExecutable(llvm::sys::Path &P, bool WantFile) {
+ bool Exists;
+ return (WantFile ? !llvm::sys::fs::exists(P.str(), Exists) && Exists
+ : P.canExecute());
+}
+
+std::string Driver::GetProgramPath(const char *Name, const ToolChain &TC,
+ bool WantFile) const {
+ // FIXME: Needs a better variable than DefaultTargetTriple
+ std::string TargetSpecificExecutable(DefaultTargetTriple + "-" + Name);
+ // Respect a limited subset of the '-Bprefix' functionality in GCC by
+ // attempting to use this prefix when lokup up program paths.
+ for (Driver::prefix_list::const_iterator it = PrefixDirs.begin(),
+ ie = PrefixDirs.end(); it != ie; ++it) {
+ llvm::sys::Path P(*it);
+ P.appendComponent(TargetSpecificExecutable);
+ if (isPathExecutable(P, WantFile)) return P.str();
+ P.eraseComponent();
+ P.appendComponent(Name);
+ if (isPathExecutable(P, WantFile)) return P.str();
+ }
+
+ const ToolChain::path_list &List = TC.getProgramPaths();
+ for (ToolChain::path_list::const_iterator
+ it = List.begin(), ie = List.end(); it != ie; ++it) {
+ llvm::sys::Path P(*it);
+ P.appendComponent(TargetSpecificExecutable);
+ if (isPathExecutable(P, WantFile)) return P.str();
+ P.eraseComponent();
+ P.appendComponent(Name);
+ if (isPathExecutable(P, WantFile)) return P.str();
+ }
+
+ // If all else failed, search the path.
+ llvm::sys::Path
+ P(llvm::sys::Program::FindProgramByName(TargetSpecificExecutable));
+ if (!P.empty())
+ return P.str();
+
+ P = llvm::sys::Path(llvm::sys::Program::FindProgramByName(Name));
+ if (!P.empty())
+ return P.str();
+
+ return Name;
+}
+
+std::string Driver::GetTemporaryPath(StringRef Prefix, const char *Suffix)
+ const {
+ // FIXME: This is lame; sys::Path should provide this function (in particular,
+ // it should know how to find the temporary files dir).
+ std::string Error;
+ const char *TmpDir = ::getenv("TMPDIR");
+ if (!TmpDir)
+ TmpDir = ::getenv("TEMP");
+ if (!TmpDir)
+ TmpDir = ::getenv("TMP");
+ if (!TmpDir)
+ TmpDir = "/tmp";
+ llvm::sys::Path P(TmpDir);
+ P.appendComponent(Prefix);
+ if (P.makeUnique(false, &Error)) {
+ Diag(clang::diag::err_drv_unable_to_make_temp) << Error;
+ return "";
+ }
+
+ // FIXME: Grumble, makeUnique sometimes leaves the file around!? PR3837.
+ P.eraseFromDisk(false, 0);
+
+ P.appendSuffix(Suffix);
+ return P.str();
+}
+
+/// \brief Compute target triple from args.
+///
+/// This routine provides the logic to compute a target triple from various
+/// args passed to the driver and the default triple string.
+static llvm::Triple computeTargetTriple(StringRef DefaultTargetTriple,
+ const ArgList &Args,
+ StringRef DarwinArchName) {
+ // FIXME: Already done in Compilation *Driver::BuildCompilation
+ if (const Arg *A = Args.getLastArg(options::OPT_target))
+ DefaultTargetTriple = A->getValue(Args);
+
+ llvm::Triple Target(llvm::Triple::normalize(DefaultTargetTriple));
+
+ // Handle Darwin-specific options available here.
+ if (Target.isOSDarwin()) {
+ // If an explict Darwin arch name is given, that trumps all.
+ if (!DarwinArchName.empty()) {
+ Target.setArch(
+ llvm::Triple::getArchTypeForDarwinArchName(DarwinArchName));
+ return Target;
+ }
+
+ // Handle the Darwin '-arch' flag.
+ if (Arg *A = Args.getLastArg(options::OPT_arch)) {
+ llvm::Triple::ArchType DarwinArch
+ = llvm::Triple::getArchTypeForDarwinArchName(A->getValue(Args));
+ if (DarwinArch != llvm::Triple::UnknownArch)
+ Target.setArch(DarwinArch);
+ }
+ }
+
+ // Skip further flag support on OSes which don't support '-m32' or '-m64'.
+ if (Target.getArchName() == "tce" ||
+ Target.getOS() == llvm::Triple::AuroraUX ||
+ Target.getOS() == llvm::Triple::Minix)
+ return Target;
+
+ // Handle pseudo-target flags '-m32' and '-m64'.
+ // FIXME: Should this information be in llvm::Triple?
+ if (Arg *A = Args.getLastArg(options::OPT_m32, options::OPT_m64)) {
+ if (A->getOption().matches(options::OPT_m32)) {
+ if (Target.getArch() == llvm::Triple::x86_64)
+ Target.setArch(llvm::Triple::x86);
+ if (Target.getArch() == llvm::Triple::ppc64)
+ Target.setArch(llvm::Triple::ppc);
+ } else {
+ if (Target.getArch() == llvm::Triple::x86)
+ Target.setArch(llvm::Triple::x86_64);
+ if (Target.getArch() == llvm::Triple::ppc)
+ Target.setArch(llvm::Triple::ppc64);
+ }
+ }
+
+ return Target;
+}
+
+const ToolChain &Driver::getToolChain(const ArgList &Args,
+ StringRef DarwinArchName) const {
+ llvm::Triple Target = computeTargetTriple(DefaultTargetTriple, Args,
+ DarwinArchName);
+
+ ToolChain *&TC = ToolChains[Target.str()];
+ if (!TC) {
+ switch (Target.getOS()) {
+ case llvm::Triple::AuroraUX:
+ TC = new toolchains::AuroraUX(*this, Target, Args);
+ break;
+ case llvm::Triple::Darwin:
+ case llvm::Triple::MacOSX:
+ case llvm::Triple::IOS:
+ if (Target.getArch() == llvm::Triple::x86 ||
+ Target.getArch() == llvm::Triple::x86_64 ||
+ Target.getArch() == llvm::Triple::arm ||
+ Target.getArch() == llvm::Triple::thumb)
+ TC = new toolchains::DarwinClang(*this, Target);
+ else
+ TC = new toolchains::Darwin_Generic_GCC(*this, Target, Args);
+ break;
+ case llvm::Triple::DragonFly:
+ TC = new toolchains::DragonFly(*this, Target, Args);
+ break;
+ case llvm::Triple::OpenBSD:
+ TC = new toolchains::OpenBSD(*this, Target, Args);
+ break;
+ case llvm::Triple::NetBSD:
+ TC = new toolchains::NetBSD(*this, Target, Args);
+ break;
+ case llvm::Triple::FreeBSD:
+ TC = new toolchains::FreeBSD(*this, Target, Args);
+ break;
+ case llvm::Triple::Minix:
+ TC = new toolchains::Minix(*this, Target, Args);
+ break;
+ case llvm::Triple::Linux:
+ if (Target.getArch() == llvm::Triple::hexagon)
+ TC = new toolchains::Hexagon_TC(*this, Target);
+ else
+ TC = new toolchains::Linux(*this, Target, Args);
+ break;
+ case llvm::Triple::Solaris:
+ TC = new toolchains::Solaris(*this, Target, Args);
+ break;
+ case llvm::Triple::Win32:
+ TC = new toolchains::Windows(*this, Target);
+ break;
+ case llvm::Triple::MinGW32:
+ // FIXME: We need a MinGW toolchain. Fallthrough for now.
+ default:
+ // TCE is an OSless target
+ if (Target.getArchName() == "tce") {
+ TC = new toolchains::TCEToolChain(*this, Target);
+ break;
+ }
+
+ TC = new toolchains::Generic_GCC(*this, Target, Args);
+ break;
+ }
+ }
+ return *TC;
+}
+
+bool Driver::ShouldUseClangCompiler(const Compilation &C, const JobAction &JA,
+ const llvm::Triple &Triple) const {
+ // Check if user requested no clang, or clang doesn't understand this type (we
+ // only handle single inputs for now).
+ if (!CCCUseClang || JA.size() != 1 ||
+ !types::isAcceptedByClang((*JA.begin())->getType()))
+ return false;
+
+ // Otherwise make sure this is an action clang understands.
+ if (isa<PreprocessJobAction>(JA)) {
+ if (!CCCUseClangCPP) {
+ Diag(clang::diag::warn_drv_not_using_clang_cpp);
+ return false;
+ }
+ } else if (!isa<PrecompileJobAction>(JA) && !isa<CompileJobAction>(JA))
+ return false;
+
+ // Use clang for C++?
+ if (!CCCUseClangCXX && types::isCXX((*JA.begin())->getType())) {
+ Diag(clang::diag::warn_drv_not_using_clang_cxx);
+ return false;
+ }
+
+ // Always use clang for precompiling, AST generation, and rewriting,
+ // regardless of archs.
+ if (isa<PrecompileJobAction>(JA) ||
+ types::isOnlyAcceptedByClang(JA.getType()))
+ return true;
+
+ // Finally, don't use clang if this isn't one of the user specified archs to
+ // build.
+ if (!CCCClangArchs.empty() && !CCCClangArchs.count(Triple.getArch())) {
+ Diag(clang::diag::warn_drv_not_using_clang_arch) << Triple.getArchName();
+ return false;
+ }
+
+ return true;
+}
+
+/// GetReleaseVersion - Parse (([0-9]+)(.([0-9]+)(.([0-9]+)?))?)? and return the
+/// grouped values as integers. Numbers which are not provided are set to 0.
+///
+/// \return True if the entire string was parsed (9.2), or all groups were
+/// parsed (10.3.5extrastuff).
+bool Driver::GetReleaseVersion(const char *Str, unsigned &Major,
+ unsigned &Minor, unsigned &Micro,
+ bool &HadExtra) {
+ HadExtra = false;
+
+ Major = Minor = Micro = 0;
+ if (*Str == '\0')
+ return true;
+
+ char *End;
+ Major = (unsigned) strtol(Str, &End, 10);
+ if (*Str != '\0' && *End == '\0')
+ return true;
+ if (*End != '.')
+ return false;
+
+ Str = End+1;
+ Minor = (unsigned) strtol(Str, &End, 10);
+ if (*Str != '\0' && *End == '\0')
+ return true;
+ if (*End != '.')
+ return false;
+
+ Str = End+1;
+ Micro = (unsigned) strtol(Str, &End, 10);
+ if (*Str != '\0' && *End == '\0')
+ return true;
+ if (Str == End)
+ return false;
+ HadExtra = true;
+ return true;
+}
diff --git a/clang/lib/Driver/DriverOptions.cpp b/clang/lib/Driver/DriverOptions.cpp
new file mode 100644
index 0000000..715819d
--- /dev/null
+++ b/clang/lib/Driver/DriverOptions.cpp
@@ -0,0 +1,37 @@
+//===--- DriverOptions.cpp - Driver Options Table -------------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "clang/Driver/Options.h"
+#include "clang/Driver/OptTable.h"
+#include "clang/Driver/Option.h"
+
+using namespace clang::driver;
+using namespace clang::driver::options;
+
+static const OptTable::Info InfoTable[] = {
+#define OPTION(NAME, ID, KIND, GROUP, ALIAS, FLAGS, PARAM, \
+ HELPTEXT, METAVAR) \
+ { NAME, HELPTEXT, METAVAR, Option::KIND##Class, PARAM, FLAGS, \
+ OPT_##GROUP, OPT_##ALIAS },
+#include "clang/Driver/Options.inc"
+};
+
+namespace {
+
+class DriverOptTable : public OptTable {
+public:
+ DriverOptTable()
+ : OptTable(InfoTable, sizeof(InfoTable) / sizeof(InfoTable[0])) {}
+};
+
+}
+
+OptTable *clang::driver::createDriverOptTable() {
+ return new DriverOptTable();
+}
diff --git a/clang/lib/Driver/InputInfo.h b/clang/lib/Driver/InputInfo.h
new file mode 100644
index 0000000..2a2f4b9
--- /dev/null
+++ b/clang/lib/Driver/InputInfo.h
@@ -0,0 +1,88 @@
+//===--- InputInfo.h - Input Source & Type Information ----------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef CLANG_LIB_DRIVER_INPUTINFO_H_
+#define CLANG_LIB_DRIVER_INPUTINFO_H_
+
+#include "clang/Driver/Types.h"
+
+#include <cassert>
+#include <string>
+
+namespace clang {
+namespace driver {
+
+/// InputInfo - Wrapper for information about an input source.
+class InputInfo {
+ // FIXME: The distinction between filenames and inputarg here is
+ // gross; we should probably drop the idea of a "linker
+ // input". Doing so means tweaking pipelining to still create link
+ // steps when it sees linker inputs (but not treat them as
+ // arguments), and making sure that arguments get rendered
+ // correctly.
+ enum Class {
+ Nothing,
+ Filename,
+ InputArg,
+ Pipe
+ };
+
+ union {
+ const char *Filename;
+ const Arg *InputArg;
+ } Data;
+ Class Kind;
+ types::ID Type;
+ const char *BaseInput;
+
+public:
+ InputInfo() {}
+ InputInfo(types::ID _Type, const char *_BaseInput)
+ : Kind(Nothing), Type(_Type), BaseInput(_BaseInput) {
+ }
+ InputInfo(const char *_Filename, types::ID _Type, const char *_BaseInput)
+ : Kind(Filename), Type(_Type), BaseInput(_BaseInput) {
+ Data.Filename = _Filename;
+ }
+ InputInfo(const Arg *_InputArg, types::ID _Type, const char *_BaseInput)
+ : Kind(InputArg), Type(_Type), BaseInput(_BaseInput) {
+ Data.InputArg = _InputArg;
+ }
+
+ bool isNothing() const { return Kind == Nothing; }
+ bool isFilename() const { return Kind == Filename; }
+ bool isInputArg() const { return Kind == InputArg; }
+ types::ID getType() const { return Type; }
+ const char *getBaseInput() const { return BaseInput; }
+
+ const char *getFilename() const {
+ assert(isFilename() && "Invalid accessor.");
+ return Data.Filename;
+ }
+ const Arg &getInputArg() const {
+ assert(isInputArg() && "Invalid accessor.");
+ return *Data.InputArg;
+ }
+
+ /// getAsString - Return a string name for this input, for
+ /// debugging.
+ std::string getAsString() const {
+ if (isFilename())
+ return std::string("\"") + getFilename() + '"';
+ else if (isInputArg())
+ return "(input arg)";
+ else
+ return "(nothing)";
+ }
+};
+
+} // end namespace driver
+} // end namespace clang
+
+#endif
diff --git a/clang/lib/Driver/Job.cpp b/clang/lib/Driver/Job.cpp
new file mode 100644
index 0000000..825c86a
--- /dev/null
+++ b/clang/lib/Driver/Job.cpp
@@ -0,0 +1,42 @@
+//===--- Job.cpp - Command to Execute -------------------------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "clang/Driver/Job.h"
+
+#include "llvm/ADT/STLExtras.h"
+
+#include <cassert>
+using namespace clang::driver;
+
+Job::~Job() {}
+
+void Command::anchor() {}
+
+Command::Command(const Action &_Source, const Tool &_Creator,
+ const char *_Executable, const ArgStringList &_Arguments)
+ : Job(CommandClass), Source(_Source), Creator(_Creator),
+ Executable(_Executable), Arguments(_Arguments)
+{
+}
+
+JobList::JobList() : Job(JobListClass) {}
+
+JobList::~JobList() {
+ for (iterator it = begin(), ie = end(); it != ie; ++it)
+ delete *it;
+}
+
+void JobList::clear() {
+ DeleteContainerPointers(Jobs);
+}
+
+void Job::addCommand(Command *C) {
+ cast<JobList>(this)->addJob(C);
+}
+
diff --git a/clang/lib/Driver/Makefile b/clang/lib/Driver/Makefile
new file mode 100644
index 0000000..454ab86
--- /dev/null
+++ b/clang/lib/Driver/Makefile
@@ -0,0 +1,13 @@
+##===- clang/lib/Driver/Makefile ---------------------------*- Makefile -*-===##
+#
+# The LLVM Compiler Infrastructure
+#
+# This file is distributed under the University of Illinois Open Source
+# License. See LICENSE.TXT for details.
+#
+##===----------------------------------------------------------------------===##
+
+CLANG_LEVEL := ../..
+LIBRARYNAME := clangDriver
+
+include $(CLANG_LEVEL)/Makefile
diff --git a/clang/lib/Driver/OptTable.cpp b/clang/lib/Driver/OptTable.cpp
new file mode 100644
index 0000000..4f5390b
--- /dev/null
+++ b/clang/lib/Driver/OptTable.cpp
@@ -0,0 +1,384 @@
+//===--- OptTable.cpp - Option Table Implementation -----------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "clang/Driver/OptTable.h"
+#include "clang/Driver/Arg.h"
+#include "clang/Driver/ArgList.h"
+#include "clang/Driver/Option.h"
+#include "llvm/Support/raw_ostream.h"
+#include "llvm/Support/ErrorHandling.h"
+#include <algorithm>
+#include <map>
+using namespace clang::driver;
+using namespace clang::driver::options;
+using namespace clang;
+
+// Ordering on Info. The ordering is *almost* lexicographic, with two
+// exceptions. First, '\0' comes at the end of the alphabet instead of
+// the beginning (thus options precede any other options which prefix
+// them). Second, for options with the same name, the less permissive
+// version should come first; a Flag option should precede a Joined
+// option, for example.
+
+static int StrCmpOptionName(const char *A, const char *B) {
+ char a = *A, b = *B;
+ while (a == b) {
+ if (a == '\0')
+ return 0;
+
+ a = *++A;
+ b = *++B;
+ }
+
+ if (a == '\0') // A is a prefix of B.
+ return 1;
+ if (b == '\0') // B is a prefix of A.
+ return -1;
+
+ // Otherwise lexicographic.
+ return (a < b) ? -1 : 1;
+}
+
+namespace clang {
+namespace driver {
+static inline bool operator<(const OptTable::Info &A, const OptTable::Info &B) {
+ if (&A == &B)
+ return false;
+
+ if (int N = StrCmpOptionName(A.Name, B.Name))
+ return N == -1;
+
+ // Names are the same, check that classes are in order; exactly one
+ // should be joined, and it should succeed the other.
+ assert(((A.Kind == Option::JoinedClass) ^ (B.Kind == Option::JoinedClass)) &&
+ "Unexpected classes for options with same name.");
+ return B.Kind == Option::JoinedClass;
+}
+
+// Support lower_bound between info and an option name.
+static inline bool operator<(const OptTable::Info &I, const char *Name) {
+ return StrCmpOptionName(I.Name, Name) == -1;
+}
+static inline bool operator<(const char *Name, const OptTable::Info &I) {
+ return StrCmpOptionName(Name, I.Name) == -1;
+}
+}
+}
+
+//
+
+OptSpecifier::OptSpecifier(const Option *Opt) : ID(Opt->getID()) {}
+
+//
+
+OptTable::OptTable(const Info *_OptionInfos, unsigned _NumOptionInfos)
+ : OptionInfos(_OptionInfos), NumOptionInfos(_NumOptionInfos),
+ Options(new Option*[NumOptionInfos]),
+ TheInputOption(0), TheUnknownOption(0), FirstSearchableIndex(0)
+{
+ // Explicitly zero initialize the error to work around a bug in array
+ // value-initialization on MinGW with gcc 4.3.5.
+ memset(Options, 0, sizeof(*Options) * NumOptionInfos);
+
+ // Find start of normal options.
+ for (unsigned i = 0, e = getNumOptions(); i != e; ++i) {
+ unsigned Kind = getInfo(i + 1).Kind;
+ if (Kind == Option::InputClass) {
+ assert(!TheInputOption && "Cannot have multiple input options!");
+ TheInputOption = getOption(i + 1);
+ } else if (Kind == Option::UnknownClass) {
+ assert(!TheUnknownOption && "Cannot have multiple input options!");
+ TheUnknownOption = getOption(i + 1);
+ } else if (Kind != Option::GroupClass) {
+ FirstSearchableIndex = i;
+ break;
+ }
+ }
+ assert(FirstSearchableIndex != 0 && "No searchable options?");
+
+#ifndef NDEBUG
+ // Check that everything after the first searchable option is a
+ // regular option class.
+ for (unsigned i = FirstSearchableIndex, e = getNumOptions(); i != e; ++i) {
+ Option::OptionClass Kind = (Option::OptionClass) getInfo(i + 1).Kind;
+ assert((Kind != Option::InputClass && Kind != Option::UnknownClass &&
+ Kind != Option::GroupClass) &&
+ "Special options should be defined first!");
+ }
+
+ // Check that options are in order.
+ for (unsigned i = FirstSearchableIndex+1, e = getNumOptions(); i != e; ++i) {
+ if (!(getInfo(i) < getInfo(i + 1))) {
+ getOption(i)->dump();
+ getOption(i + 1)->dump();
+ llvm_unreachable("Options are not in order!");
+ }
+ }
+#endif
+}
+
+OptTable::~OptTable() {
+ for (unsigned i = 0, e = getNumOptions(); i != e; ++i)
+ delete Options[i];
+ delete[] Options;
+}
+
+Option *OptTable::CreateOption(unsigned id) const {
+ const Info &info = getInfo(id);
+ const OptionGroup *Group =
+ cast_or_null<OptionGroup>(getOption(info.GroupID));
+ const Option *Alias = getOption(info.AliasID);
+
+ Option *Opt = 0;
+ switch (info.Kind) {
+ case Option::InputClass:
+ Opt = new InputOption(id); break;
+ case Option::UnknownClass:
+ Opt = new UnknownOption(id); break;
+ case Option::GroupClass:
+ Opt = new OptionGroup(id, info.Name, Group); break;
+ case Option::FlagClass:
+ Opt = new FlagOption(id, info.Name, Group, Alias); break;
+ case Option::JoinedClass:
+ Opt = new JoinedOption(id, info.Name, Group, Alias); break;
+ case Option::SeparateClass:
+ Opt = new SeparateOption(id, info.Name, Group, Alias); break;
+ case Option::CommaJoinedClass:
+ Opt = new CommaJoinedOption(id, info.Name, Group, Alias); break;
+ case Option::MultiArgClass:
+ Opt = new MultiArgOption(id, info.Name, Group, Alias, info.Param); break;
+ case Option::JoinedOrSeparateClass:
+ Opt = new JoinedOrSeparateOption(id, info.Name, Group, Alias); break;
+ case Option::JoinedAndSeparateClass:
+ Opt = new JoinedAndSeparateOption(id, info.Name, Group, Alias); break;
+ }
+
+ if (info.Flags & DriverOption)
+ Opt->setDriverOption(true);
+ if (info.Flags & LinkerInput)
+ Opt->setLinkerInput(true);
+ if (info.Flags & NoArgumentUnused)
+ Opt->setNoArgumentUnused(true);
+ if (info.Flags & NoForward)
+ Opt->setNoForward(true);
+ if (info.Flags & RenderAsInput)
+ Opt->setNoOptAsInput(true);
+ if (info.Flags & RenderJoined) {
+ assert((info.Kind == Option::JoinedOrSeparateClass ||
+ info.Kind == Option::SeparateClass) && "Invalid option.");
+ Opt->setRenderStyle(Option::RenderJoinedStyle);
+ }
+ if (info.Flags & RenderSeparate) {
+ assert((info.Kind == Option::JoinedOrSeparateClass ||
+ info.Kind == Option::JoinedClass) && "Invalid option.");
+ Opt->setRenderStyle(Option::RenderSeparateStyle);
+ }
+ if (info.Flags & Unsupported)
+ Opt->setUnsupported(true);
+
+ return Opt;
+}
+
+Arg *OptTable::ParseOneArg(const ArgList &Args, unsigned &Index) const {
+ unsigned Prev = Index;
+ const char *Str = Args.getArgString(Index);
+
+ // Anything that doesn't start with '-' is an input, as is '-' itself.
+ if (Str[0] != '-' || Str[1] == '\0')
+ return new Arg(TheInputOption, Index++, Str);
+
+ const Info *Start = OptionInfos + FirstSearchableIndex;
+ const Info *End = OptionInfos + getNumOptions();
+
+ // Search for the first next option which could be a prefix.
+ Start = std::lower_bound(Start, End, Str);
+
+ // Options are stored in sorted order, with '\0' at the end of the
+ // alphabet. Since the only options which can accept a string must
+ // prefix it, we iteratively search for the next option which could
+ // be a prefix.
+ //
+ // FIXME: This is searching much more than necessary, but I am
+ // blanking on the simplest way to make it fast. We can solve this
+ // problem when we move to TableGen.
+ for (; Start != End; ++Start) {
+ // Scan for first option which is a proper prefix.
+ for (; Start != End; ++Start)
+ if (memcmp(Str, Start->Name, strlen(Start->Name)) == 0)
+ break;
+ if (Start == End)
+ break;
+
+ // See if this option matches.
+ if (Arg *A = getOption(Start - OptionInfos + 1)->accept(Args, Index))
+ return A;
+
+ // Otherwise, see if this argument was missing values.
+ if (Prev != Index)
+ return 0;
+ }
+
+ return new Arg(TheUnknownOption, Index++, Str);
+}
+
+InputArgList *OptTable::ParseArgs(const char* const *ArgBegin,
+ const char* const *ArgEnd,
+ unsigned &MissingArgIndex,
+ unsigned &MissingArgCount) const {
+ InputArgList *Args = new InputArgList(ArgBegin, ArgEnd);
+
+ // FIXME: Handle '@' args (or at least error on them).
+
+ MissingArgIndex = MissingArgCount = 0;
+ unsigned Index = 0, End = ArgEnd - ArgBegin;
+ while (Index < End) {
+ // Ignore empty arguments (other things may still take them as arguments).
+ if (Args->getArgString(Index)[0] == '\0') {
+ ++Index;
+ continue;
+ }
+
+ unsigned Prev = Index;
+ Arg *A = ParseOneArg(*Args, Index);
+ assert(Index > Prev && "Parser failed to consume argument.");
+
+ // Check for missing argument error.
+ if (!A) {
+ assert(Index >= End && "Unexpected parser error.");
+ assert(Index - Prev - 1 && "No missing arguments!");
+ MissingArgIndex = Prev;
+ MissingArgCount = Index - Prev - 1;
+ break;
+ }
+
+ Args->append(A);
+ }
+
+ return Args;
+}
+
+static std::string getOptionHelpName(const OptTable &Opts, OptSpecifier Id) {
+ std::string Name = Opts.getOptionName(Id);
+
+ // Add metavar, if used.
+ switch (Opts.getOptionKind(Id)) {
+ case Option::GroupClass: case Option::InputClass: case Option::UnknownClass:
+ llvm_unreachable("Invalid option with help text.");
+
+ case Option::MultiArgClass:
+ llvm_unreachable("Cannot print metavar for this kind of option.");
+
+ case Option::FlagClass:
+ break;
+
+ case Option::SeparateClass: case Option::JoinedOrSeparateClass:
+ Name += ' ';
+ // FALLTHROUGH
+ case Option::JoinedClass: case Option::CommaJoinedClass:
+ case Option::JoinedAndSeparateClass:
+ if (const char *MetaVarName = Opts.getOptionMetaVar(Id))
+ Name += MetaVarName;
+ else
+ Name += "<value>";
+ break;
+ }
+
+ return Name;
+}
+
+static void PrintHelpOptionList(raw_ostream &OS, StringRef Title,
+ std::vector<std::pair<std::string,
+ const char*> > &OptionHelp) {
+ OS << Title << ":\n";
+
+ // Find the maximum option length.
+ unsigned OptionFieldWidth = 0;
+ for (unsigned i = 0, e = OptionHelp.size(); i != e; ++i) {
+ // Skip titles.
+ if (!OptionHelp[i].second)
+ continue;
+
+ // Limit the amount of padding we are willing to give up for alignment.
+ unsigned Length = OptionHelp[i].first.size();
+ if (Length <= 23)
+ OptionFieldWidth = std::max(OptionFieldWidth, Length);
+ }
+
+ const unsigned InitialPad = 2;
+ for (unsigned i = 0, e = OptionHelp.size(); i != e; ++i) {
+ const std::string &Option = OptionHelp[i].first;
+ int Pad = OptionFieldWidth - int(Option.size());
+ OS.indent(InitialPad) << Option;
+
+ // Break on long option names.
+ if (Pad < 0) {
+ OS << "\n";
+ Pad = OptionFieldWidth + InitialPad;
+ }
+ OS.indent(Pad + 1) << OptionHelp[i].second << '\n';
+ }
+}
+
+static const char *getOptionHelpGroup(const OptTable &Opts, OptSpecifier Id) {
+ unsigned GroupID = Opts.getOptionGroupID(Id);
+
+ // If not in a group, return the default help group.
+ if (!GroupID)
+ return "OPTIONS";
+
+ // Abuse the help text of the option groups to store the "help group"
+ // name.
+ //
+ // FIXME: Split out option groups.
+ if (const char *GroupHelp = Opts.getOptionHelpText(GroupID))
+ return GroupHelp;
+
+ // Otherwise keep looking.
+ return getOptionHelpGroup(Opts, GroupID);
+}
+
+void OptTable::PrintHelp(raw_ostream &OS, const char *Name,
+ const char *Title, bool ShowHidden) const {
+ OS << "OVERVIEW: " << Title << "\n";
+ OS << '\n';
+ OS << "USAGE: " << Name << " [options] <inputs>\n";
+ OS << '\n';
+
+ // Render help text into a map of group-name to a list of (option, help)
+ // pairs.
+ typedef std::map<std::string,
+ std::vector<std::pair<std::string, const char*> > > helpmap_ty;
+ helpmap_ty GroupedOptionHelp;
+
+ for (unsigned i = 0, e = getNumOptions(); i != e; ++i) {
+ unsigned Id = i + 1;
+
+ // FIXME: Split out option groups.
+ if (getOptionKind(Id) == Option::GroupClass)
+ continue;
+
+ if (!ShowHidden && isOptionHelpHidden(Id))
+ continue;
+
+ if (const char *Text = getOptionHelpText(Id)) {
+ const char *HelpGroup = getOptionHelpGroup(*this, Id);
+ const std::string &OptName = getOptionHelpName(*this, Id);
+ GroupedOptionHelp[HelpGroup].push_back(std::make_pair(OptName, Text));
+ }
+ }
+
+ for (helpmap_ty::iterator it = GroupedOptionHelp .begin(),
+ ie = GroupedOptionHelp.end(); it != ie; ++it) {
+ if (it != GroupedOptionHelp .begin())
+ OS << "\n";
+ PrintHelpOptionList(OS, it->first, it->second);
+ }
+
+ OS.flush();
+}
diff --git a/clang/lib/Driver/Option.cpp b/clang/lib/Driver/Option.cpp
new file mode 100644
index 0000000..03360ea
--- /dev/null
+++ b/clang/lib/Driver/Option.cpp
@@ -0,0 +1,280 @@
+//===--- Option.cpp - Abstract Driver Options -----------------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "clang/Driver/Option.h"
+
+#include "clang/Driver/Arg.h"
+#include "clang/Driver/ArgList.h"
+#include "llvm/Support/raw_ostream.h"
+#include "llvm/Support/ErrorHandling.h"
+#include <cassert>
+#include <algorithm>
+using namespace clang::driver;
+
+Option::Option(OptionClass _Kind, OptSpecifier _ID, const char *_Name,
+ const OptionGroup *_Group, const Option *_Alias)
+ : Kind(_Kind), ID(_ID.getID()), Name(_Name), Group(_Group), Alias(_Alias),
+ Unsupported(false), LinkerInput(false), NoOptAsInput(false),
+ DriverOption(false), NoArgumentUnused(false), NoForward(false) {
+
+ // Multi-level aliases are not supported, and alias options cannot
+ // have groups. This just simplifies option tracking, it is not an
+ // inherent limitation.
+ assert((!Alias || (!Alias->Alias && !Group)) &&
+ "Multi-level aliases and aliases with groups are unsupported.");
+
+ // Initialize rendering options based on the class.
+ switch (Kind) {
+ case GroupClass:
+ case InputClass:
+ case UnknownClass:
+ RenderStyle = RenderValuesStyle;
+ break;
+
+ case JoinedClass:
+ case JoinedAndSeparateClass:
+ RenderStyle = RenderJoinedStyle;
+ break;
+
+ case CommaJoinedClass:
+ RenderStyle = RenderCommaJoinedStyle;
+ break;
+
+ case FlagClass:
+ case SeparateClass:
+ case MultiArgClass:
+ case JoinedOrSeparateClass:
+ RenderStyle = RenderSeparateStyle;
+ break;
+ }
+}
+
+Option::~Option() {
+}
+
+void Option::dump() const {
+ llvm::errs() << "<";
+ switch (Kind) {
+#define P(N) case N: llvm::errs() << #N; break
+ P(GroupClass);
+ P(InputClass);
+ P(UnknownClass);
+ P(FlagClass);
+ P(JoinedClass);
+ P(SeparateClass);
+ P(CommaJoinedClass);
+ P(MultiArgClass);
+ P(JoinedOrSeparateClass);
+ P(JoinedAndSeparateClass);
+#undef P
+ }
+
+ llvm::errs() << " Name:\"" << Name << '"';
+
+ if (Group) {
+ llvm::errs() << " Group:";
+ Group->dump();
+ }
+
+ if (Alias) {
+ llvm::errs() << " Alias:";
+ Alias->dump();
+ }
+
+ if (const MultiArgOption *MOA = dyn_cast<MultiArgOption>(this))
+ llvm::errs() << " NumArgs:" << MOA->getNumArgs();
+
+ llvm::errs() << ">\n";
+}
+
+bool Option::matches(OptSpecifier Opt) const {
+ // Aliases are never considered in matching, look through them.
+ if (Alias)
+ return Alias->matches(Opt);
+
+ // Check exact match.
+ if (ID == Opt)
+ return true;
+
+ if (Group)
+ return Group->matches(Opt);
+ return false;
+}
+
+OptionGroup::OptionGroup(OptSpecifier ID, const char *Name,
+ const OptionGroup *Group)
+ : Option(Option::GroupClass, ID, Name, Group, 0) {
+}
+
+Arg *OptionGroup::accept(const ArgList &Args, unsigned &Index) const {
+ llvm_unreachable("accept() should never be called on an OptionGroup");
+}
+
+InputOption::InputOption(OptSpecifier ID)
+ : Option(Option::InputClass, ID, "<input>", 0, 0) {
+}
+
+Arg *InputOption::accept(const ArgList &Args, unsigned &Index) const {
+ llvm_unreachable("accept() should never be called on an InputOption");
+}
+
+UnknownOption::UnknownOption(OptSpecifier ID)
+ : Option(Option::UnknownClass, ID, "<unknown>", 0, 0) {
+}
+
+Arg *UnknownOption::accept(const ArgList &Args, unsigned &Index) const {
+ llvm_unreachable("accept() should never be called on an UnknownOption");
+}
+
+FlagOption::FlagOption(OptSpecifier ID, const char *Name,
+ const OptionGroup *Group, const Option *Alias)
+ : Option(Option::FlagClass, ID, Name, Group, Alias) {
+}
+
+Arg *FlagOption::accept(const ArgList &Args, unsigned &Index) const {
+ // Matches iff this is an exact match.
+ // FIXME: Avoid strlen.
+ if (getName().size() != strlen(Args.getArgString(Index)))
+ return 0;
+
+ return new Arg(getUnaliasedOption(), Index++);
+}
+
+JoinedOption::JoinedOption(OptSpecifier ID, const char *Name,
+ const OptionGroup *Group, const Option *Alias)
+ : Option(Option::JoinedClass, ID, Name, Group, Alias) {
+}
+
+Arg *JoinedOption::accept(const ArgList &Args, unsigned &Index) const {
+ // Always matches.
+ const char *Value = Args.getArgString(Index) + getName().size();
+ return new Arg(getUnaliasedOption(), Index++, Value);
+}
+
+CommaJoinedOption::CommaJoinedOption(OptSpecifier ID, const char *Name,
+ const OptionGroup *Group,
+ const Option *Alias)
+ : Option(Option::CommaJoinedClass, ID, Name, Group, Alias) {
+}
+
+Arg *CommaJoinedOption::accept(const ArgList &Args,
+ unsigned &Index) const {
+ // Always matches.
+ const char *Str = Args.getArgString(Index) + getName().size();
+ Arg *A = new Arg(getUnaliasedOption(), Index++);
+
+ // Parse out the comma separated values.
+ const char *Prev = Str;
+ for (;; ++Str) {
+ char c = *Str;
+
+ if (!c || c == ',') {
+ if (Prev != Str) {
+ char *Value = new char[Str - Prev + 1];
+ memcpy(Value, Prev, Str - Prev);
+ Value[Str - Prev] = '\0';
+ A->getValues().push_back(Value);
+ }
+
+ if (!c)
+ break;
+
+ Prev = Str + 1;
+ }
+ }
+ A->setOwnsValues(true);
+
+ return A;
+}
+
+SeparateOption::SeparateOption(OptSpecifier ID, const char *Name,
+ const OptionGroup *Group, const Option *Alias)
+ : Option(Option::SeparateClass, ID, Name, Group, Alias) {
+}
+
+Arg *SeparateOption::accept(const ArgList &Args, unsigned &Index) const {
+ // Matches iff this is an exact match.
+ // FIXME: Avoid strlen.
+ if (getName().size() != strlen(Args.getArgString(Index)))
+ return 0;
+
+ Index += 2;
+ if (Index > Args.getNumInputArgStrings())
+ return 0;
+
+ return new Arg(getUnaliasedOption(), Index - 2, Args.getArgString(Index - 1));
+}
+
+MultiArgOption::MultiArgOption(OptSpecifier ID, const char *Name,
+ const OptionGroup *Group, const Option *Alias,
+ unsigned _NumArgs)
+ : Option(Option::MultiArgClass, ID, Name, Group, Alias), NumArgs(_NumArgs) {
+ assert(NumArgs > 1 && "Invalid MultiArgOption!");
+}
+
+Arg *MultiArgOption::accept(const ArgList &Args, unsigned &Index) const {
+ // Matches iff this is an exact match.
+ // FIXME: Avoid strlen.
+ if (getName().size() != strlen(Args.getArgString(Index)))
+ return 0;
+
+ Index += 1 + NumArgs;
+ if (Index > Args.getNumInputArgStrings())
+ return 0;
+
+ Arg *A = new Arg(getUnaliasedOption(), Index - 1 - NumArgs,
+ Args.getArgString(Index - NumArgs));
+ for (unsigned i = 1; i != NumArgs; ++i)
+ A->getValues().push_back(Args.getArgString(Index - NumArgs + i));
+ return A;
+}
+
+JoinedOrSeparateOption::JoinedOrSeparateOption(OptSpecifier ID,
+ const char *Name,
+ const OptionGroup *Group,
+ const Option *Alias)
+ : Option(Option::JoinedOrSeparateClass, ID, Name, Group, Alias) {
+}
+
+Arg *JoinedOrSeparateOption::accept(const ArgList &Args,
+ unsigned &Index) const {
+ // If this is not an exact match, it is a joined arg.
+ // FIXME: Avoid strlen.
+ if (getName().size() != strlen(Args.getArgString(Index))) {
+ const char *Value = Args.getArgString(Index) + getName().size();
+ return new Arg(this, Index++, Value);
+ }
+
+ // Otherwise it must be separate.
+ Index += 2;
+ if (Index > Args.getNumInputArgStrings())
+ return 0;
+
+ return new Arg(getUnaliasedOption(), Index - 2, Args.getArgString(Index - 1));
+}
+
+JoinedAndSeparateOption::JoinedAndSeparateOption(OptSpecifier ID,
+ const char *Name,
+ const OptionGroup *Group,
+ const Option *Alias)
+ : Option(Option::JoinedAndSeparateClass, ID, Name, Group, Alias) {
+}
+
+Arg *JoinedAndSeparateOption::accept(const ArgList &Args,
+ unsigned &Index) const {
+ // Always matches.
+
+ Index += 2;
+ if (Index > Args.getNumInputArgStrings())
+ return 0;
+
+ return new Arg(getUnaliasedOption(), Index - 2,
+ Args.getArgString(Index-2)+getName().size(),
+ Args.getArgString(Index-1));
+}
diff --git a/clang/lib/Driver/Phases.cpp b/clang/lib/Driver/Phases.cpp
new file mode 100644
index 0000000..b885eee
--- /dev/null
+++ b/clang/lib/Driver/Phases.cpp
@@ -0,0 +1,27 @@
+//===--- Phases.cpp - Transformations on Driver Types ---------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "clang/Driver/Phases.h"
+#include "llvm/Support/ErrorHandling.h"
+
+#include <cassert>
+
+using namespace clang::driver;
+
+const char *phases::getPhaseName(ID Id) {
+ switch (Id) {
+ case Preprocess: return "preprocessor";
+ case Precompile: return "precompiler";
+ case Compile: return "compiler";
+ case Assemble: return "assembler";
+ case Link: return "linker";
+ }
+
+ llvm_unreachable("Invalid phase id.");
+}
diff --git a/clang/lib/Driver/Tool.cpp b/clang/lib/Driver/Tool.cpp
new file mode 100644
index 0000000..b93864f
--- /dev/null
+++ b/clang/lib/Driver/Tool.cpp
@@ -0,0 +1,21 @@
+//===--- Tool.cpp - Compilation Tools -------------------------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "clang/Driver/Tool.h"
+
+using namespace clang::driver;
+
+Tool::Tool(const char *_Name, const char *_ShortName,
+ const ToolChain &TC) : Name(_Name), ShortName(_ShortName),
+ TheToolChain(TC)
+{
+}
+
+Tool::~Tool() {
+}
diff --git a/clang/lib/Driver/ToolChain.cpp b/clang/lib/Driver/ToolChain.cpp
new file mode 100644
index 0000000..db4d2a8
--- /dev/null
+++ b/clang/lib/Driver/ToolChain.cpp
@@ -0,0 +1,288 @@
+//===--- ToolChain.cpp - Collections of tools for one platform ------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "clang/Driver/ToolChain.h"
+
+#include "clang/Driver/Action.h"
+#include "clang/Driver/Arg.h"
+#include "clang/Driver/ArgList.h"
+#include "clang/Driver/Driver.h"
+#include "clang/Driver/DriverDiagnostic.h"
+#include "clang/Driver/ObjCRuntime.h"
+#include "clang/Driver/Options.h"
+#include "llvm/ADT/StringSwitch.h"
+#include "llvm/Support/ErrorHandling.h"
+using namespace clang::driver;
+using namespace clang;
+
+ToolChain::ToolChain(const Driver &D, const llvm::Triple &T)
+ : D(D), Triple(T) {
+}
+
+ToolChain::~ToolChain() {
+}
+
+const Driver &ToolChain::getDriver() const {
+ return D;
+}
+
+std::string ToolChain::GetFilePath(const char *Name) const {
+ return D.GetFilePath(Name, *this);
+
+}
+
+std::string ToolChain::GetProgramPath(const char *Name, bool WantFile) const {
+ return D.GetProgramPath(Name, *this, WantFile);
+}
+
+types::ID ToolChain::LookupTypeForExtension(const char *Ext) const {
+ return types::lookupTypeForExtension(Ext);
+}
+
+bool ToolChain::HasNativeLLVMSupport() const {
+ return false;
+}
+
+void ToolChain::configureObjCRuntime(ObjCRuntime &runtime) const {
+ switch (runtime.getKind()) {
+ case ObjCRuntime::NeXT:
+ // Assume a minimal NeXT runtime.
+ runtime.HasARC = false;
+ runtime.HasWeak = false;
+ runtime.HasSubscripting = false;
+ runtime.HasTerminate = false;
+ return;
+
+ case ObjCRuntime::GNU:
+ // Assume a maximal GNU runtime.
+ runtime.HasARC = true;
+ runtime.HasWeak = true;
+ runtime.HasSubscripting = false; // to be added
+ runtime.HasTerminate = false; // to be added
+ return;
+ }
+ llvm_unreachable("invalid runtime kind!");
+}
+
+/// getARMTargetCPU - Get the (LLVM) name of the ARM cpu we are targeting.
+//
+// FIXME: tblgen this.
+static const char *getARMTargetCPU(const ArgList &Args,
+ const llvm::Triple &Triple) {
+ // For Darwin targets, the -arch option (which is translated to a
+ // corresponding -march option) should determine the architecture
+ // (and the Mach-O slice) regardless of any -mcpu options.
+ if (!Triple.isOSDarwin()) {
+ // FIXME: Warn on inconsistent use of -mcpu and -march.
+ // If we have -mcpu=, use that.
+ if (Arg *A = Args.getLastArg(options::OPT_mcpu_EQ))
+ return A->getValue(Args);
+ }
+
+ StringRef MArch;
+ if (Arg *A = Args.getLastArg(options::OPT_march_EQ)) {
+ // Otherwise, if we have -march= choose the base CPU for that arch.
+ MArch = A->getValue(Args);
+ } else {
+ // Otherwise, use the Arch from the triple.
+ MArch = Triple.getArchName();
+ }
+
+ return llvm::StringSwitch<const char *>(MArch)
+ .Cases("armv2", "armv2a","arm2")
+ .Case("armv3", "arm6")
+ .Case("armv3m", "arm7m")
+ .Cases("armv4", "armv4t", "arm7tdmi")
+ .Cases("armv5", "armv5t", "arm10tdmi")
+ .Cases("armv5e", "armv5te", "arm1026ejs")
+ .Case("armv5tej", "arm926ej-s")
+ .Cases("armv6", "armv6k", "arm1136jf-s")
+ .Case("armv6j", "arm1136j-s")
+ .Cases("armv6z", "armv6zk", "arm1176jzf-s")
+ .Case("armv6t2", "arm1156t2-s")
+ .Cases("armv7", "armv7a", "armv7-a", "cortex-a8")
+ .Cases("armv7r", "armv7-r", "cortex-r4")
+ .Cases("armv7m", "armv7-m", "cortex-m3")
+ .Case("ep9312", "ep9312")
+ .Case("iwmmxt", "iwmmxt")
+ .Case("xscale", "xscale")
+ .Cases("armv6m", "armv6-m", "cortex-m0")
+ // If all else failed, return the most base CPU LLVM supports.
+ .Default("arm7tdmi");
+}
+
+/// getLLVMArchSuffixForARM - Get the LLVM arch name to use for a particular
+/// CPU.
+//
+// FIXME: This is redundant with -mcpu, why does LLVM use this.
+// FIXME: tblgen this, or kill it!
+static const char *getLLVMArchSuffixForARM(StringRef CPU) {
+ return llvm::StringSwitch<const char *>(CPU)
+ .Cases("arm7tdmi", "arm7tdmi-s", "arm710t", "v4t")
+ .Cases("arm720t", "arm9", "arm9tdmi", "v4t")
+ .Cases("arm920", "arm920t", "arm922t", "v4t")
+ .Cases("arm940t", "ep9312","v4t")
+ .Cases("arm10tdmi", "arm1020t", "v5")
+ .Cases("arm9e", "arm926ej-s", "arm946e-s", "v5e")
+ .Cases("arm966e-s", "arm968e-s", "arm10e", "v5e")
+ .Cases("arm1020e", "arm1022e", "xscale", "iwmmxt", "v5e")
+ .Cases("arm1136j-s", "arm1136jf-s", "arm1176jz-s", "v6")
+ .Cases("arm1176jzf-s", "mpcorenovfp", "mpcore", "v6")
+ .Cases("arm1156t2-s", "arm1156t2f-s", "v6t2")
+ .Cases("cortex-a8", "cortex-a9", "v7")
+ .Case("cortex-m3", "v7m")
+ .Case("cortex-m4", "v7m")
+ .Case("cortex-m0", "v6m")
+ .Default("");
+}
+
+std::string ToolChain::ComputeLLVMTriple(const ArgList &Args,
+ types::ID InputType) const {
+ switch (getTriple().getArch()) {
+ default:
+ return getTripleString();
+
+ case llvm::Triple::arm:
+ case llvm::Triple::thumb: {
+ // FIXME: Factor into subclasses.
+ llvm::Triple Triple = getTriple();
+
+ // Thumb2 is the default for V7 on Darwin.
+ //
+ // FIXME: Thumb should just be another -target-feaure, not in the triple.
+ StringRef Suffix =
+ getLLVMArchSuffixForARM(getARMTargetCPU(Args, Triple));
+ bool ThumbDefault = (Suffix == "v7" && getTriple().isOSDarwin());
+ std::string ArchName = "arm";
+
+ // Assembly files should start in ARM mode.
+ if (InputType != types::TY_PP_Asm &&
+ Args.hasFlag(options::OPT_mthumb, options::OPT_mno_thumb, ThumbDefault))
+ ArchName = "thumb";
+ Triple.setArchName(ArchName + Suffix.str());
+
+ return Triple.getTriple();
+ }
+ }
+}
+
+std::string ToolChain::ComputeEffectiveClangTriple(const ArgList &Args,
+ types::ID InputType) const {
+ // Diagnose use of Darwin OS deployment target arguments on non-Darwin.
+ if (Arg *A = Args.getLastArg(options::OPT_mmacosx_version_min_EQ,
+ options::OPT_miphoneos_version_min_EQ,
+ options::OPT_mios_simulator_version_min_EQ))
+ getDriver().Diag(diag::err_drv_clang_unsupported)
+ << A->getAsString(Args);
+
+ return ComputeLLVMTriple(Args, InputType);
+}
+
+void ToolChain::AddClangSystemIncludeArgs(const ArgList &DriverArgs,
+ ArgStringList &CC1Args) const {
+ // Each toolchain should provide the appropriate include flags.
+}
+
+ToolChain::RuntimeLibType ToolChain::GetRuntimeLibType(
+ const ArgList &Args) const
+{
+ if (Arg *A = Args.getLastArg(options::OPT_rtlib_EQ)) {
+ StringRef Value = A->getValue(Args);
+ if (Value == "compiler-rt")
+ return ToolChain::RLT_CompilerRT;
+ if (Value == "libgcc")
+ return ToolChain::RLT_Libgcc;
+ getDriver().Diag(diag::err_drv_invalid_rtlib_name)
+ << A->getAsString(Args);
+ }
+
+ return GetDefaultRuntimeLibType();
+}
+
+ToolChain::CXXStdlibType ToolChain::GetCXXStdlibType(const ArgList &Args) const{
+ if (Arg *A = Args.getLastArg(options::OPT_stdlib_EQ)) {
+ StringRef Value = A->getValue(Args);
+ if (Value == "libc++")
+ return ToolChain::CST_Libcxx;
+ if (Value == "libstdc++")
+ return ToolChain::CST_Libstdcxx;
+ getDriver().Diag(diag::err_drv_invalid_stdlib_name)
+ << A->getAsString(Args);
+ }
+
+ return ToolChain::CST_Libstdcxx;
+}
+
+/// \brief Utility function to add a system include directory to CC1 arguments.
+/*static*/ void ToolChain::addSystemInclude(const ArgList &DriverArgs,
+ ArgStringList &CC1Args,
+ const Twine &Path) {
+ CC1Args.push_back("-internal-isystem");
+ CC1Args.push_back(DriverArgs.MakeArgString(Path));
+}
+
+/// \brief Utility function to add a system include directory with extern "C"
+/// semantics to CC1 arguments.
+///
+/// Note that this should be used rarely, and only for directories that
+/// historically and for legacy reasons are treated as having implicit extern
+/// "C" semantics. These semantics are *ignored* by and large today, but its
+/// important to preserve the preprocessor changes resulting from the
+/// classification.
+/*static*/ void ToolChain::addExternCSystemInclude(const ArgList &DriverArgs,
+ ArgStringList &CC1Args,
+ const Twine &Path) {
+ CC1Args.push_back("-internal-externc-isystem");
+ CC1Args.push_back(DriverArgs.MakeArgString(Path));
+}
+
+/// \brief Utility function to add a list of system include directories to CC1.
+/*static*/ void ToolChain::addSystemIncludes(const ArgList &DriverArgs,
+ ArgStringList &CC1Args,
+ ArrayRef<StringRef> Paths) {
+ for (ArrayRef<StringRef>::iterator I = Paths.begin(), E = Paths.end();
+ I != E; ++I) {
+ CC1Args.push_back("-internal-isystem");
+ CC1Args.push_back(DriverArgs.MakeArgString(*I));
+ }
+}
+
+void ToolChain::AddClangCXXStdlibIncludeArgs(const ArgList &DriverArgs,
+ ArgStringList &CC1Args) const {
+ // Header search paths should be handled by each of the subclasses.
+ // Historically, they have not been, and instead have been handled inside of
+ // the CC1-layer frontend. As the logic is hoisted out, this generic function
+ // will slowly stop being called.
+ //
+ // While it is being called, replicate a bit of a hack to propagate the
+ // '-stdlib=' flag down to CC1 so that it can in turn customize the C++
+ // header search paths with it. Once all systems are overriding this
+ // function, the CC1 flag and this line can be removed.
+ DriverArgs.AddAllArgs(CC1Args, options::OPT_stdlib_EQ);
+}
+
+void ToolChain::AddCXXStdlibLibArgs(const ArgList &Args,
+ ArgStringList &CmdArgs) const {
+ CXXStdlibType Type = GetCXXStdlibType(Args);
+
+ switch (Type) {
+ case ToolChain::CST_Libcxx:
+ CmdArgs.push_back("-lc++");
+ break;
+
+ case ToolChain::CST_Libstdcxx:
+ CmdArgs.push_back("-lstdc++");
+ break;
+ }
+}
+
+void ToolChain::AddCCKextLibArgs(const ArgList &Args,
+ ArgStringList &CmdArgs) const {
+ CmdArgs.push_back("-lcc_kext");
+}
diff --git a/clang/lib/Driver/ToolChains.cpp b/clang/lib/Driver/ToolChains.cpp
new file mode 100644
index 0000000..7f9ed9a
--- /dev/null
+++ b/clang/lib/Driver/ToolChains.cpp
@@ -0,0 +1,2334 @@
+//===--- ToolChains.cpp - ToolChain Implementations -----------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "ToolChains.h"
+
+#include "clang/Driver/Arg.h"
+#include "clang/Driver/ArgList.h"
+#include "clang/Driver/Compilation.h"
+#include "clang/Driver/Driver.h"
+#include "clang/Driver/DriverDiagnostic.h"
+#include "clang/Driver/ObjCRuntime.h"
+#include "clang/Driver/OptTable.h"
+#include "clang/Driver/Option.h"
+#include "clang/Driver/Options.h"
+#include "clang/Basic/Version.h"
+
+#include "llvm/ADT/SmallString.h"
+#include "llvm/ADT/StringExtras.h"
+#include "llvm/ADT/StringSwitch.h"
+#include "llvm/ADT/STLExtras.h"
+#include "llvm/Support/ErrorHandling.h"
+#include "llvm/Support/FileSystem.h"
+#include "llvm/Support/MemoryBuffer.h"
+#include "llvm/Support/raw_ostream.h"
+#include "llvm/Support/Path.h"
+#include "llvm/Support/system_error.h"
+
+#include <cstdlib> // ::getenv
+
+#include "clang/Config/config.h" // for GCC_INSTALL_PREFIX
+
+using namespace clang::driver;
+using namespace clang::driver::toolchains;
+using namespace clang;
+
+/// Darwin - Darwin tool chain for i386 and x86_64.
+
+Darwin::Darwin(const Driver &D, const llvm::Triple& Triple)
+ : ToolChain(D, Triple), TargetInitialized(false),
+ ARCRuntimeForSimulator(ARCSimulator_None),
+ LibCXXForSimulator(LibCXXSimulator_None)
+{
+ // Compute the initial Darwin version from the triple
+ unsigned Major, Minor, Micro;
+ if (!Triple.getMacOSXVersion(Major, Minor, Micro))
+ getDriver().Diag(diag::err_drv_invalid_darwin_version) <<
+ Triple.getOSName();
+ llvm::raw_string_ostream(MacosxVersionMin)
+ << Major << '.' << Minor << '.' << Micro;
+
+ // FIXME: DarwinVersion is only used to find GCC's libexec directory.
+ // It should be removed when we stop supporting that.
+ DarwinVersion[0] = Minor + 4;
+ DarwinVersion[1] = Micro;
+ DarwinVersion[2] = 0;
+}
+
+types::ID Darwin::LookupTypeForExtension(const char *Ext) const {
+ types::ID Ty = types::lookupTypeForExtension(Ext);
+
+ // Darwin always preprocesses assembly files (unless -x is used explicitly).
+ if (Ty == types::TY_PP_Asm)
+ return types::TY_Asm;
+
+ return Ty;
+}
+
+bool Darwin::HasNativeLLVMSupport() const {
+ return true;
+}
+
+bool Darwin::hasARCRuntime() const {
+ // FIXME: Remove this once there is a proper way to detect an ARC runtime
+ // for the simulator.
+ switch (ARCRuntimeForSimulator) {
+ case ARCSimulator_None:
+ break;
+ case ARCSimulator_HasARCRuntime:
+ return true;
+ case ARCSimulator_NoARCRuntime:
+ return false;
+ }
+
+ if (isTargetIPhoneOS())
+ return !isIPhoneOSVersionLT(5);
+ else
+ return !isMacosxVersionLT(10, 7);
+}
+
+bool Darwin::hasSubscriptingRuntime() const {
+ return !isTargetIPhoneOS() && !isMacosxVersionLT(10, 8);
+}
+
+/// Darwin provides an ARC runtime starting in MacOS X 10.7 and iOS 5.0.
+void Darwin::configureObjCRuntime(ObjCRuntime &runtime) const {
+ if (runtime.getKind() != ObjCRuntime::NeXT)
+ return ToolChain::configureObjCRuntime(runtime);
+
+ runtime.HasARC = runtime.HasWeak = hasARCRuntime();
+ runtime.HasSubscripting = hasSubscriptingRuntime();
+
+ // So far, objc_terminate is only available in iOS 5.
+ // FIXME: do the simulator logic properly.
+ if (!ARCRuntimeForSimulator && isTargetIPhoneOS())
+ runtime.HasTerminate = !isIPhoneOSVersionLT(5);
+ else
+ runtime.HasTerminate = false;
+}
+
+/// Darwin provides a blocks runtime starting in MacOS X 10.6 and iOS 3.2.
+bool Darwin::hasBlocksRuntime() const {
+ if (isTargetIPhoneOS())
+ return !isIPhoneOSVersionLT(3, 2);
+ else
+ return !isMacosxVersionLT(10, 6);
+}
+
+static const char *GetArmArchForMArch(StringRef Value) {
+ return llvm::StringSwitch<const char*>(Value)
+ .Case("armv6k", "armv6")
+ .Case("armv5tej", "armv5")
+ .Case("xscale", "xscale")
+ .Case("armv4t", "armv4t")
+ .Case("armv7", "armv7")
+ .Cases("armv7a", "armv7-a", "armv7")
+ .Cases("armv7r", "armv7-r", "armv7")
+ .Cases("armv7m", "armv7-m", "armv7")
+ .Default(0);
+}
+
+static const char *GetArmArchForMCpu(StringRef Value) {
+ return llvm::StringSwitch<const char *>(Value)
+ .Cases("arm9e", "arm946e-s", "arm966e-s", "arm968e-s", "arm926ej-s","armv5")
+ .Cases("arm10e", "arm10tdmi", "armv5")
+ .Cases("arm1020t", "arm1020e", "arm1022e", "arm1026ej-s", "armv5")
+ .Case("xscale", "xscale")
+ .Cases("arm1136j-s", "arm1136jf-s", "arm1176jz-s",
+ "arm1176jzf-s", "cortex-m0", "armv6")
+ .Cases("cortex-a8", "cortex-r4", "cortex-m3", "cortex-a9", "armv7")
+ .Default(0);
+}
+
+StringRef Darwin::getDarwinArchName(const ArgList &Args) const {
+ switch (getTriple().getArch()) {
+ default:
+ return getArchName();
+
+ case llvm::Triple::thumb:
+ case llvm::Triple::arm: {
+ if (const Arg *A = Args.getLastArg(options::OPT_march_EQ))
+ if (const char *Arch = GetArmArchForMArch(A->getValue(Args)))
+ return Arch;
+
+ if (const Arg *A = Args.getLastArg(options::OPT_mcpu_EQ))
+ if (const char *Arch = GetArmArchForMCpu(A->getValue(Args)))
+ return Arch;
+
+ return "arm";
+ }
+ }
+}
+
+Darwin::~Darwin() {
+ // Free tool implementations.
+ for (llvm::DenseMap<unsigned, Tool*>::iterator
+ it = Tools.begin(), ie = Tools.end(); it != ie; ++it)
+ delete it->second;
+}
+
+std::string Darwin::ComputeEffectiveClangTriple(const ArgList &Args,
+ types::ID InputType) const {
+ llvm::Triple Triple(ComputeLLVMTriple(Args, InputType));
+
+ // If the target isn't initialized (e.g., an unknown Darwin platform, return
+ // the default triple).
+ if (!isTargetInitialized())
+ return Triple.getTriple();
+
+ SmallString<16> Str;
+ Str += isTargetIPhoneOS() ? "ios" : "macosx";
+ Str += getTargetVersion().getAsString();
+ Triple.setOSName(Str);
+
+ return Triple.getTriple();
+}
+
+void Generic_ELF::anchor() {}
+
+Tool &Darwin::SelectTool(const Compilation &C, const JobAction &JA,
+ const ActionList &Inputs) const {
+ Action::ActionClass Key;
+
+ if (getDriver().ShouldUseClangCompiler(C, JA, getTriple())) {
+ // Fallback to llvm-gcc for i386 kext compiles, we don't support that ABI.
+ if (Inputs.size() == 1 &&
+ types::isCXX(Inputs[0]->getType()) &&
+ getTriple().isOSDarwin() &&
+ getTriple().getArch() == llvm::Triple::x86 &&
+ (C.getArgs().getLastArg(options::OPT_fapple_kext) ||
+ C.getArgs().getLastArg(options::OPT_mkernel)))
+ Key = JA.getKind();
+ else
+ Key = Action::AnalyzeJobClass;
+ } else
+ Key = JA.getKind();
+
+ bool UseIntegratedAs = C.getArgs().hasFlag(options::OPT_integrated_as,
+ options::OPT_no_integrated_as,
+ IsIntegratedAssemblerDefault());
+
+ Tool *&T = Tools[Key];
+ if (!T) {
+ switch (Key) {
+ case Action::InputClass:
+ case Action::BindArchClass:
+ llvm_unreachable("Invalid tool kind.");
+ case Action::PreprocessJobClass:
+ T = new tools::darwin::Preprocess(*this); break;
+ case Action::AnalyzeJobClass:
+ case Action::MigrateJobClass:
+ T = new tools::Clang(*this); break;
+ case Action::PrecompileJobClass:
+ case Action::CompileJobClass:
+ T = new tools::darwin::Compile(*this); break;
+ case Action::AssembleJobClass: {
+ if (UseIntegratedAs)
+ T = new tools::ClangAs(*this);
+ else
+ T = new tools::darwin::Assemble(*this);
+ break;
+ }
+ case Action::LinkJobClass:
+ T = new tools::darwin::Link(*this); break;
+ case Action::LipoJobClass:
+ T = new tools::darwin::Lipo(*this); break;
+ case Action::DsymutilJobClass:
+ T = new tools::darwin::Dsymutil(*this); break;
+ case Action::VerifyJobClass:
+ T = new tools::darwin::VerifyDebug(*this); break;
+ }
+ }
+
+ return *T;
+}
+
+
+DarwinClang::DarwinClang(const Driver &D, const llvm::Triple& Triple)
+ : Darwin(D, Triple)
+{
+ getProgramPaths().push_back(getDriver().getInstalledDir());
+ if (getDriver().getInstalledDir() != getDriver().Dir)
+ getProgramPaths().push_back(getDriver().Dir);
+
+ // We expect 'as', 'ld', etc. to be adjacent to our install dir.
+ getProgramPaths().push_back(getDriver().getInstalledDir());
+ if (getDriver().getInstalledDir() != getDriver().Dir)
+ getProgramPaths().push_back(getDriver().Dir);
+
+ // For fallback, we need to know how to find the GCC cc1 executables, so we
+ // also add the GCC libexec paths. This is legacy code that can be removed
+ // once fallback is no longer useful.
+ AddGCCLibexecPath(DarwinVersion[0]);
+ AddGCCLibexecPath(DarwinVersion[0] - 2);
+ AddGCCLibexecPath(DarwinVersion[0] - 1);
+ AddGCCLibexecPath(DarwinVersion[0] + 1);
+ AddGCCLibexecPath(DarwinVersion[0] + 2);
+}
+
+void DarwinClang::AddGCCLibexecPath(unsigned darwinVersion) {
+ std::string ToolChainDir = "i686-apple-darwin";
+ ToolChainDir += llvm::utostr(darwinVersion);
+ ToolChainDir += "/4.2.1";
+
+ std::string Path = getDriver().Dir;
+ Path += "/../llvm-gcc-4.2/libexec/gcc/";
+ Path += ToolChainDir;
+ getProgramPaths().push_back(Path);
+
+ Path = "/usr/llvm-gcc-4.2/libexec/gcc/";
+ Path += ToolChainDir;
+ getProgramPaths().push_back(Path);
+}
+
+void DarwinClang::AddLinkSearchPathArgs(const ArgList &Args,
+ ArgStringList &CmdArgs) const {
+ // The Clang toolchain uses explicit paths for internal libraries.
+
+ // Unfortunately, we still might depend on a few of the libraries that are
+ // only available in the gcc library directory (in particular
+ // libstdc++.dylib). For now, hardcode the path to the known install location.
+ // FIXME: This should get ripped out someday. However, when building on
+ // 10.6 (darwin10), we're still relying on this to find libstdc++.dylib.
+ llvm::sys::Path P(getDriver().Dir);
+ P.eraseComponent(); // .../usr/bin -> ../usr
+ P.appendComponent("llvm-gcc-4.2");
+ P.appendComponent("lib");
+ P.appendComponent("gcc");
+ switch (getTriple().getArch()) {
+ default:
+ llvm_unreachable("Invalid Darwin arch!");
+ case llvm::Triple::x86:
+ case llvm::Triple::x86_64:
+ P.appendComponent("i686-apple-darwin10");
+ break;
+ case llvm::Triple::arm:
+ case llvm::Triple::thumb:
+ P.appendComponent("arm-apple-darwin10");
+ break;
+ case llvm::Triple::ppc:
+ case llvm::Triple::ppc64:
+ P.appendComponent("powerpc-apple-darwin10");
+ break;
+ }
+ P.appendComponent("4.2.1");
+
+ // Determine the arch specific GCC subdirectory.
+ const char *ArchSpecificDir = 0;
+ switch (getTriple().getArch()) {
+ default:
+ break;
+ case llvm::Triple::arm:
+ case llvm::Triple::thumb: {
+ std::string Triple = ComputeLLVMTriple(Args);
+ StringRef TripleStr = Triple;
+ if (TripleStr.startswith("armv5") || TripleStr.startswith("thumbv5"))
+ ArchSpecificDir = "v5";
+ else if (TripleStr.startswith("armv6") || TripleStr.startswith("thumbv6"))
+ ArchSpecificDir = "v6";
+ else if (TripleStr.startswith("armv7") || TripleStr.startswith("thumbv7"))
+ ArchSpecificDir = "v7";
+ break;
+ }
+ case llvm::Triple::ppc64:
+ ArchSpecificDir = "ppc64";
+ break;
+ case llvm::Triple::x86_64:
+ ArchSpecificDir = "x86_64";
+ break;
+ }
+
+ if (ArchSpecificDir) {
+ P.appendComponent(ArchSpecificDir);
+ bool Exists;
+ if (!llvm::sys::fs::exists(P.str(), Exists) && Exists)
+ CmdArgs.push_back(Args.MakeArgString("-L" + P.str()));
+ P.eraseComponent();
+ }
+
+ bool Exists;
+ if (!llvm::sys::fs::exists(P.str(), Exists) && Exists)
+ CmdArgs.push_back(Args.MakeArgString("-L" + P.str()));
+}
+
+void DarwinClang::AddLinkARCArgs(const ArgList &Args,
+ ArgStringList &CmdArgs) const {
+
+ CmdArgs.push_back("-force_load");
+ llvm::sys::Path P(getDriver().ClangExecutable);
+ P.eraseComponent(); // 'clang'
+ P.eraseComponent(); // 'bin'
+ P.appendComponent("lib");
+ P.appendComponent("arc");
+ P.appendComponent("libarclite_");
+ std::string s = P.str();
+ // Mash in the platform.
+ if (isTargetIOSSimulator())
+ s += "iphonesimulator";
+ else if (isTargetIPhoneOS())
+ s += "iphoneos";
+ // FIXME: Remove this once we depend fully on -mios-simulator-version-min.
+ else if (ARCRuntimeForSimulator != ARCSimulator_None)
+ s += "iphonesimulator";
+ else
+ s += "macosx";
+ s += ".a";
+
+ CmdArgs.push_back(Args.MakeArgString(s));
+}
+
+void DarwinClang::AddLinkRuntimeLib(const ArgList &Args,
+ ArgStringList &CmdArgs,
+ const char *DarwinStaticLib) const {
+ llvm::sys::Path P(getDriver().ResourceDir);
+ P.appendComponent("lib");
+ P.appendComponent("darwin");
+ P.appendComponent(DarwinStaticLib);
+
+ // For now, allow missing resource libraries to support developers who may
+ // not have compiler-rt checked out or integrated into their build.
+ bool Exists;
+ if (!llvm::sys::fs::exists(P.str(), Exists) && Exists)
+ CmdArgs.push_back(Args.MakeArgString(P.str()));
+}
+
+void DarwinClang::AddLinkRuntimeLibArgs(const ArgList &Args,
+ ArgStringList &CmdArgs) const {
+ // Darwin only supports the compiler-rt based runtime libraries.
+ switch (GetRuntimeLibType(Args)) {
+ case ToolChain::RLT_CompilerRT:
+ break;
+ default:
+ getDriver().Diag(diag::err_drv_unsupported_rtlib_for_platform)
+ << Args.getLastArg(options::OPT_rtlib_EQ)->getValue(Args) << "darwin";
+ return;
+ }
+
+ // Darwin doesn't support real static executables, don't link any runtime
+ // libraries with -static.
+ if (Args.hasArg(options::OPT_static))
+ return;
+
+ // Reject -static-libgcc for now, we can deal with this when and if someone
+ // cares. This is useful in situations where someone wants to statically link
+ // something like libstdc++, and needs its runtime support routines.
+ if (const Arg *A = Args.getLastArg(options::OPT_static_libgcc)) {
+ getDriver().Diag(diag::err_drv_unsupported_opt)
+ << A->getAsString(Args);
+ return;
+ }
+
+ // If we are building profile support, link that library in.
+ if (Args.hasArg(options::OPT_fprofile_arcs) ||
+ Args.hasArg(options::OPT_fprofile_generate) ||
+ Args.hasArg(options::OPT_fcreate_profile) ||
+ Args.hasArg(options::OPT_coverage)) {
+ // Select the appropriate runtime library for the target.
+ if (isTargetIPhoneOS()) {
+ AddLinkRuntimeLib(Args, CmdArgs, "libclang_rt.profile_ios.a");
+ } else {
+ AddLinkRuntimeLib(Args, CmdArgs, "libclang_rt.profile_osx.a");
+ }
+ }
+
+ // Add ASAN runtime library, if required. Dynamic libraries and bundles
+ // should not be linked with the runtime library.
+ if (Args.hasFlag(options::OPT_faddress_sanitizer,
+ options::OPT_fno_address_sanitizer, false)) {
+ if (Args.hasArg(options::OPT_dynamiclib) ||
+ Args.hasArg(options::OPT_bundle)) return;
+ if (isTargetIPhoneOS()) {
+ getDriver().Diag(diag::err_drv_clang_unsupported_per_platform)
+ << "-faddress-sanitizer";
+ } else {
+ AddLinkRuntimeLib(Args, CmdArgs, "libclang_rt.asan_osx.a");
+
+ // The ASAN runtime library requires C++ and CoreFoundation.
+ AddCXXStdlibLibArgs(Args, CmdArgs);
+ CmdArgs.push_back("-framework");
+ CmdArgs.push_back("CoreFoundation");
+ }
+ }
+
+ // Otherwise link libSystem, then the dynamic runtime library, and finally any
+ // target specific static runtime library.
+ CmdArgs.push_back("-lSystem");
+
+ // Select the dynamic runtime library and the target specific static library.
+ if (isTargetIPhoneOS()) {
+ // If we are compiling as iOS / simulator, don't attempt to link libgcc_s.1,
+ // it never went into the SDK.
+ // Linking against libgcc_s.1 isn't needed for iOS 5.0+
+ if (isIPhoneOSVersionLT(5, 0) && !isTargetIOSSimulator())
+ CmdArgs.push_back("-lgcc_s.1");
+
+ // We currently always need a static runtime library for iOS.
+ AddLinkRuntimeLib(Args, CmdArgs, "libclang_rt.ios.a");
+ } else {
+ // The dynamic runtime library was merged with libSystem for 10.6 and
+ // beyond; only 10.4 and 10.5 need an additional runtime library.
+ if (isMacosxVersionLT(10, 5))
+ CmdArgs.push_back("-lgcc_s.10.4");
+ else if (isMacosxVersionLT(10, 6))
+ CmdArgs.push_back("-lgcc_s.10.5");
+
+ // For OS X, we thought we would only need a static runtime library when
+ // targeting 10.4, to provide versions of the static functions which were
+ // omitted from 10.4.dylib.
+ //
+ // Unfortunately, that turned out to not be true, because Darwin system
+ // headers can still use eprintf on i386, and it is not exported from
+ // libSystem. Therefore, we still must provide a runtime library just for
+ // the tiny tiny handful of projects that *might* use that symbol.
+ if (isMacosxVersionLT(10, 5)) {
+ AddLinkRuntimeLib(Args, CmdArgs, "libclang_rt.10.4.a");
+ } else {
+ if (getTriple().getArch() == llvm::Triple::x86)
+ AddLinkRuntimeLib(Args, CmdArgs, "libclang_rt.eprintf.a");
+ AddLinkRuntimeLib(Args, CmdArgs, "libclang_rt.osx.a");
+ }
+ }
+}
+
+static inline StringRef SimulatorVersionDefineName() {
+ return "__IPHONE_OS_VERSION_MIN_REQUIRED";
+}
+
+/// \brief Parse the simulator version define:
+/// __IPHONE_OS_VERSION_MIN_REQUIRED=([0-9])([0-9][0-9])([0-9][0-9])
+// and return the grouped values as integers, e.g:
+// __IPHONE_OS_VERSION_MIN_REQUIRED=40201
+// will return Major=4, Minor=2, Micro=1.
+static bool GetVersionFromSimulatorDefine(StringRef define,
+ unsigned &Major, unsigned &Minor,
+ unsigned &Micro) {
+ assert(define.startswith(SimulatorVersionDefineName()));
+ StringRef name, version;
+ llvm::tie(name, version) = define.split('=');
+ if (version.empty())
+ return false;
+ std::string verstr = version.str();
+ char *end;
+ unsigned num = (unsigned) strtol(verstr.c_str(), &end, 10);
+ if (*end != '\0')
+ return false;
+ Major = num / 10000;
+ num = num % 10000;
+ Minor = num / 100;
+ Micro = num % 100;
+ return true;
+}
+
+void Darwin::AddDeploymentTarget(DerivedArgList &Args) const {
+ const OptTable &Opts = getDriver().getOpts();
+
+ Arg *OSXVersion = Args.getLastArg(options::OPT_mmacosx_version_min_EQ);
+ Arg *iOSVersion = Args.getLastArg(options::OPT_miphoneos_version_min_EQ);
+ Arg *iOSSimVersion = Args.getLastArg(
+ options::OPT_mios_simulator_version_min_EQ);
+
+ // FIXME: HACK! When compiling for the simulator we don't get a
+ // '-miphoneos-version-min' to help us know whether there is an ARC runtime
+ // or not; try to parse a __IPHONE_OS_VERSION_MIN_REQUIRED
+ // define passed in command-line.
+ if (!iOSVersion && !iOSSimVersion) {
+ for (arg_iterator it = Args.filtered_begin(options::OPT_D),
+ ie = Args.filtered_end(); it != ie; ++it) {
+ StringRef define = (*it)->getValue(Args);
+ if (define.startswith(SimulatorVersionDefineName())) {
+ unsigned Major = 0, Minor = 0, Micro = 0;
+ if (GetVersionFromSimulatorDefine(define, Major, Minor, Micro) &&
+ Major < 10 && Minor < 100 && Micro < 100) {
+ ARCRuntimeForSimulator = Major < 5 ? ARCSimulator_NoARCRuntime
+ : ARCSimulator_HasARCRuntime;
+ LibCXXForSimulator = Major < 5 ? LibCXXSimulator_NotAvailable
+ : LibCXXSimulator_Available;
+ }
+ break;
+ }
+ }
+ }
+
+ if (OSXVersion && (iOSVersion || iOSSimVersion)) {
+ getDriver().Diag(diag::err_drv_argument_not_allowed_with)
+ << OSXVersion->getAsString(Args)
+ << (iOSVersion ? iOSVersion : iOSSimVersion)->getAsString(Args);
+ iOSVersion = iOSSimVersion = 0;
+ } else if (iOSVersion && iOSSimVersion) {
+ getDriver().Diag(diag::err_drv_argument_not_allowed_with)
+ << iOSVersion->getAsString(Args)
+ << iOSSimVersion->getAsString(Args);
+ iOSSimVersion = 0;
+ } else if (!OSXVersion && !iOSVersion && !iOSSimVersion) {
+ // If no deployment target was specified on the command line, check for
+ // environment defines.
+ StringRef OSXTarget;
+ StringRef iOSTarget;
+ StringRef iOSSimTarget;
+ if (char *env = ::getenv("MACOSX_DEPLOYMENT_TARGET"))
+ OSXTarget = env;
+ if (char *env = ::getenv("IPHONEOS_DEPLOYMENT_TARGET"))
+ iOSTarget = env;
+ if (char *env = ::getenv("IOS_SIMULATOR_DEPLOYMENT_TARGET"))
+ iOSSimTarget = env;
+
+ // If no '-miphoneos-version-min' specified on the command line and
+ // IPHONEOS_DEPLOYMENT_TARGET is not defined, see if we can set the default
+ // based on -isysroot.
+ if (iOSTarget.empty()) {
+ if (const Arg *A = Args.getLastArg(options::OPT_isysroot)) {
+ StringRef first, second;
+ StringRef isysroot = A->getValue(Args);
+ llvm::tie(first, second) = isysroot.split(StringRef("SDKs/iPhoneOS"));
+ if (second != "")
+ iOSTarget = second.substr(0,3);
+ }
+ }
+
+ // If no OSX or iOS target has been specified and we're compiling for armv7,
+ // go ahead as assume we're targeting iOS.
+ if (OSXTarget.empty() && iOSTarget.empty())
+ if (getDarwinArchName(Args) == "armv7")
+ iOSTarget = "0.0";
+
+ // Handle conflicting deployment targets
+ //
+ // FIXME: Don't hardcode default here.
+
+ // Do not allow conflicts with the iOS simulator target.
+ if (!iOSSimTarget.empty() && (!OSXTarget.empty() || !iOSTarget.empty())) {
+ getDriver().Diag(diag::err_drv_conflicting_deployment_targets)
+ << "IOS_SIMULATOR_DEPLOYMENT_TARGET"
+ << (!OSXTarget.empty() ? "MACOSX_DEPLOYMENT_TARGET" :
+ "IPHONEOS_DEPLOYMENT_TARGET");
+ }
+
+ // Allow conflicts among OSX and iOS for historical reasons, but choose the
+ // default platform.
+ if (!OSXTarget.empty() && !iOSTarget.empty()) {
+ if (getTriple().getArch() == llvm::Triple::arm ||
+ getTriple().getArch() == llvm::Triple::thumb)
+ OSXTarget = "";
+ else
+ iOSTarget = "";
+ }
+
+ if (!OSXTarget.empty()) {
+ const Option *O = Opts.getOption(options::OPT_mmacosx_version_min_EQ);
+ OSXVersion = Args.MakeJoinedArg(0, O, OSXTarget);
+ Args.append(OSXVersion);
+ } else if (!iOSTarget.empty()) {
+ const Option *O = Opts.getOption(options::OPT_miphoneos_version_min_EQ);
+ iOSVersion = Args.MakeJoinedArg(0, O, iOSTarget);
+ Args.append(iOSVersion);
+ } else if (!iOSSimTarget.empty()) {
+ const Option *O = Opts.getOption(
+ options::OPT_mios_simulator_version_min_EQ);
+ iOSSimVersion = Args.MakeJoinedArg(0, O, iOSSimTarget);
+ Args.append(iOSSimVersion);
+ } else {
+ // Otherwise, assume we are targeting OS X.
+ const Option *O = Opts.getOption(options::OPT_mmacosx_version_min_EQ);
+ OSXVersion = Args.MakeJoinedArg(0, O, MacosxVersionMin);
+ Args.append(OSXVersion);
+ }
+ }
+
+ // Reject invalid architecture combinations.
+ if (iOSSimVersion && (getTriple().getArch() != llvm::Triple::x86 &&
+ getTriple().getArch() != llvm::Triple::x86_64)) {
+ getDriver().Diag(diag::err_drv_invalid_arch_for_deployment_target)
+ << getTriple().getArchName() << iOSSimVersion->getAsString(Args);
+ }
+
+ // Set the tool chain target information.
+ unsigned Major, Minor, Micro;
+ bool HadExtra;
+ if (OSXVersion) {
+ assert((!iOSVersion && !iOSSimVersion) && "Unknown target platform!");
+ if (!Driver::GetReleaseVersion(OSXVersion->getValue(Args), Major, Minor,
+ Micro, HadExtra) || HadExtra ||
+ Major != 10 || Minor >= 100 || Micro >= 100)
+ getDriver().Diag(diag::err_drv_invalid_version_number)
+ << OSXVersion->getAsString(Args);
+ } else {
+ const Arg *Version = iOSVersion ? iOSVersion : iOSSimVersion;
+ assert(Version && "Unknown target platform!");
+ if (!Driver::GetReleaseVersion(Version->getValue(Args), Major, Minor,
+ Micro, HadExtra) || HadExtra ||
+ Major >= 10 || Minor >= 100 || Micro >= 100)
+ getDriver().Diag(diag::err_drv_invalid_version_number)
+ << Version->getAsString(Args);
+ }
+
+ bool IsIOSSim = bool(iOSSimVersion);
+
+ // In GCC, the simulator historically was treated as being OS X in some
+ // contexts, like determining the link logic, despite generally being called
+ // with an iOS deployment target. For compatibility, we detect the
+ // simulator as iOS + x86, and treat it differently in a few contexts.
+ if (iOSVersion && (getTriple().getArch() == llvm::Triple::x86 ||
+ getTriple().getArch() == llvm::Triple::x86_64))
+ IsIOSSim = true;
+
+ setTarget(/*IsIPhoneOS=*/ !OSXVersion, Major, Minor, Micro, IsIOSSim);
+}
+
+void DarwinClang::AddCXXStdlibLibArgs(const ArgList &Args,
+ ArgStringList &CmdArgs) const {
+ CXXStdlibType Type = GetCXXStdlibType(Args);
+
+ switch (Type) {
+ case ToolChain::CST_Libcxx:
+ CmdArgs.push_back("-lc++");
+ break;
+
+ case ToolChain::CST_Libstdcxx: {
+ // Unfortunately, -lstdc++ doesn't always exist in the standard search path;
+ // it was previously found in the gcc lib dir. However, for all the Darwin
+ // platforms we care about it was -lstdc++.6, so we search for that
+ // explicitly if we can't see an obvious -lstdc++ candidate.
+
+ // Check in the sysroot first.
+ bool Exists;
+ if (const Arg *A = Args.getLastArg(options::OPT_isysroot)) {
+ llvm::sys::Path P(A->getValue(Args));
+ P.appendComponent("usr");
+ P.appendComponent("lib");
+ P.appendComponent("libstdc++.dylib");
+
+ if (llvm::sys::fs::exists(P.str(), Exists) || !Exists) {
+ P.eraseComponent();
+ P.appendComponent("libstdc++.6.dylib");
+ if (!llvm::sys::fs::exists(P.str(), Exists) && Exists) {
+ CmdArgs.push_back(Args.MakeArgString(P.str()));
+ return;
+ }
+ }
+ }
+
+ // Otherwise, look in the root.
+ // FIXME: This should be removed someday when we don't have to care about
+ // 10.6 and earlier, where /usr/lib/libstdc++.dylib does not exist.
+ if ((llvm::sys::fs::exists("/usr/lib/libstdc++.dylib", Exists) || !Exists)&&
+ (!llvm::sys::fs::exists("/usr/lib/libstdc++.6.dylib", Exists) && Exists)){
+ CmdArgs.push_back("/usr/lib/libstdc++.6.dylib");
+ return;
+ }
+
+ // Otherwise, let the linker search.
+ CmdArgs.push_back("-lstdc++");
+ break;
+ }
+ }
+}
+
+void DarwinClang::AddCCKextLibArgs(const ArgList &Args,
+ ArgStringList &CmdArgs) const {
+
+ // For Darwin platforms, use the compiler-rt-based support library
+ // instead of the gcc-provided one (which is also incidentally
+ // only present in the gcc lib dir, which makes it hard to find).
+
+ llvm::sys::Path P(getDriver().ResourceDir);
+ P.appendComponent("lib");
+ P.appendComponent("darwin");
+ P.appendComponent("libclang_rt.cc_kext.a");
+
+ // For now, allow missing resource libraries to support developers who may
+ // not have compiler-rt checked out or integrated into their build.
+ bool Exists;
+ if (!llvm::sys::fs::exists(P.str(), Exists) && Exists)
+ CmdArgs.push_back(Args.MakeArgString(P.str()));
+}
+
+DerivedArgList *Darwin::TranslateArgs(const DerivedArgList &Args,
+ const char *BoundArch) const {
+ DerivedArgList *DAL = new DerivedArgList(Args.getBaseArgs());
+ const OptTable &Opts = getDriver().getOpts();
+
+ // FIXME: We really want to get out of the tool chain level argument
+ // translation business, as it makes the driver functionality much
+ // more opaque. For now, we follow gcc closely solely for the
+ // purpose of easily achieving feature parity & testability. Once we
+ // have something that works, we should reevaluate each translation
+ // and try to push it down into tool specific logic.
+
+ for (ArgList::const_iterator it = Args.begin(),
+ ie = Args.end(); it != ie; ++it) {
+ Arg *A = *it;
+
+ if (A->getOption().matches(options::OPT_Xarch__)) {
+ // Skip this argument unless the architecture matches either the toolchain
+ // triple arch, or the arch being bound.
+ //
+ // FIXME: Canonicalize name.
+ StringRef XarchArch = A->getValue(Args, 0);
+ if (!(XarchArch == getArchName() ||
+ (BoundArch && XarchArch == BoundArch)))
+ continue;
+
+ Arg *OriginalArg = A;
+ unsigned Index = Args.getBaseArgs().MakeIndex(A->getValue(Args, 1));
+ unsigned Prev = Index;
+ Arg *XarchArg = Opts.ParseOneArg(Args, Index);
+
+ // If the argument parsing failed or more than one argument was
+ // consumed, the -Xarch_ argument's parameter tried to consume
+ // extra arguments. Emit an error and ignore.
+ //
+ // We also want to disallow any options which would alter the
+ // driver behavior; that isn't going to work in our model. We
+ // use isDriverOption() as an approximation, although things
+ // like -O4 are going to slip through.
+ if (!XarchArg || Index > Prev + 1) {
+ getDriver().Diag(diag::err_drv_invalid_Xarch_argument_with_args)
+ << A->getAsString(Args);
+ continue;
+ } else if (XarchArg->getOption().isDriverOption()) {
+ getDriver().Diag(diag::err_drv_invalid_Xarch_argument_isdriver)
+ << A->getAsString(Args);
+ continue;
+ }
+
+ XarchArg->setBaseArg(A);
+ A = XarchArg;
+
+ DAL->AddSynthesizedArg(A);
+
+ // Linker input arguments require custom handling. The problem is that we
+ // have already constructed the phase actions, so we can not treat them as
+ // "input arguments".
+ if (A->getOption().isLinkerInput()) {
+ // Convert the argument into individual Zlinker_input_args.
+ for (unsigned i = 0, e = A->getNumValues(); i != e; ++i) {
+ DAL->AddSeparateArg(OriginalArg,
+ Opts.getOption(options::OPT_Zlinker_input),
+ A->getValue(Args, i));
+
+ }
+ continue;
+ }
+ }
+
+ // Sob. These is strictly gcc compatible for the time being. Apple
+ // gcc translates options twice, which means that self-expanding
+ // options add duplicates.
+ switch ((options::ID) A->getOption().getID()) {
+ default:
+ DAL->append(A);
+ break;
+
+ case options::OPT_mkernel:
+ case options::OPT_fapple_kext:
+ DAL->append(A);
+ DAL->AddFlagArg(A, Opts.getOption(options::OPT_static));
+ break;
+
+ case options::OPT_dependency_file:
+ DAL->AddSeparateArg(A, Opts.getOption(options::OPT_MF),
+ A->getValue(Args));
+ break;
+
+ case options::OPT_gfull:
+ DAL->AddFlagArg(A, Opts.getOption(options::OPT_g_Flag));
+ DAL->AddFlagArg(A,
+ Opts.getOption(options::OPT_fno_eliminate_unused_debug_symbols));
+ break;
+
+ case options::OPT_gused:
+ DAL->AddFlagArg(A, Opts.getOption(options::OPT_g_Flag));
+ DAL->AddFlagArg(A,
+ Opts.getOption(options::OPT_feliminate_unused_debug_symbols));
+ break;
+
+ case options::OPT_shared:
+ DAL->AddFlagArg(A, Opts.getOption(options::OPT_dynamiclib));
+ break;
+
+ case options::OPT_fconstant_cfstrings:
+ DAL->AddFlagArg(A, Opts.getOption(options::OPT_mconstant_cfstrings));
+ break;
+
+ case options::OPT_fno_constant_cfstrings:
+ DAL->AddFlagArg(A, Opts.getOption(options::OPT_mno_constant_cfstrings));
+ break;
+
+ case options::OPT_Wnonportable_cfstrings:
+ DAL->AddFlagArg(A,
+ Opts.getOption(options::OPT_mwarn_nonportable_cfstrings));
+ break;
+
+ case options::OPT_Wno_nonportable_cfstrings:
+ DAL->AddFlagArg(A,
+ Opts.getOption(options::OPT_mno_warn_nonportable_cfstrings));
+ break;
+
+ case options::OPT_fpascal_strings:
+ DAL->AddFlagArg(A, Opts.getOption(options::OPT_mpascal_strings));
+ break;
+
+ case options::OPT_fno_pascal_strings:
+ DAL->AddFlagArg(A, Opts.getOption(options::OPT_mno_pascal_strings));
+ break;
+ }
+ }
+
+ if (getTriple().getArch() == llvm::Triple::x86 ||
+ getTriple().getArch() == llvm::Triple::x86_64)
+ if (!Args.hasArgNoClaim(options::OPT_mtune_EQ))
+ DAL->AddJoinedArg(0, Opts.getOption(options::OPT_mtune_EQ), "core2");
+
+ // Add the arch options based on the particular spelling of -arch, to match
+ // how the driver driver works.
+ if (BoundArch) {
+ StringRef Name = BoundArch;
+ const Option *MCpu = Opts.getOption(options::OPT_mcpu_EQ);
+ const Option *MArch = Opts.getOption(options::OPT_march_EQ);
+
+ // This code must be kept in sync with LLVM's getArchTypeForDarwinArch,
+ // which defines the list of which architectures we accept.
+ if (Name == "ppc")
+ ;
+ else if (Name == "ppc601")
+ DAL->AddJoinedArg(0, MCpu, "601");
+ else if (Name == "ppc603")
+ DAL->AddJoinedArg(0, MCpu, "603");
+ else if (Name == "ppc604")
+ DAL->AddJoinedArg(0, MCpu, "604");
+ else if (Name == "ppc604e")
+ DAL->AddJoinedArg(0, MCpu, "604e");
+ else if (Name == "ppc750")
+ DAL->AddJoinedArg(0, MCpu, "750");
+ else if (Name == "ppc7400")
+ DAL->AddJoinedArg(0, MCpu, "7400");
+ else if (Name == "ppc7450")
+ DAL->AddJoinedArg(0, MCpu, "7450");
+ else if (Name == "ppc970")
+ DAL->AddJoinedArg(0, MCpu, "970");
+
+ else if (Name == "ppc64")
+ DAL->AddFlagArg(0, Opts.getOption(options::OPT_m64));
+
+ else if (Name == "i386")
+ ;
+ else if (Name == "i486")
+ DAL->AddJoinedArg(0, MArch, "i486");
+ else if (Name == "i586")
+ DAL->AddJoinedArg(0, MArch, "i586");
+ else if (Name == "i686")
+ DAL->AddJoinedArg(0, MArch, "i686");
+ else if (Name == "pentium")
+ DAL->AddJoinedArg(0, MArch, "pentium");
+ else if (Name == "pentium2")
+ DAL->AddJoinedArg(0, MArch, "pentium2");
+ else if (Name == "pentpro")
+ DAL->AddJoinedArg(0, MArch, "pentiumpro");
+ else if (Name == "pentIIm3")
+ DAL->AddJoinedArg(0, MArch, "pentium2");
+
+ else if (Name == "x86_64")
+ DAL->AddFlagArg(0, Opts.getOption(options::OPT_m64));
+
+ else if (Name == "arm")
+ DAL->AddJoinedArg(0, MArch, "armv4t");
+ else if (Name == "armv4t")
+ DAL->AddJoinedArg(0, MArch, "armv4t");
+ else if (Name == "armv5")
+ DAL->AddJoinedArg(0, MArch, "armv5tej");
+ else if (Name == "xscale")
+ DAL->AddJoinedArg(0, MArch, "xscale");
+ else if (Name == "armv6")
+ DAL->AddJoinedArg(0, MArch, "armv6k");
+ else if (Name == "armv7")
+ DAL->AddJoinedArg(0, MArch, "armv7a");
+
+ else
+ llvm_unreachable("invalid Darwin arch");
+ }
+
+ // Add an explicit version min argument for the deployment target. We do this
+ // after argument translation because -Xarch_ arguments may add a version min
+ // argument.
+ AddDeploymentTarget(*DAL);
+
+ // Validate the C++ standard library choice.
+ CXXStdlibType Type = GetCXXStdlibType(*DAL);
+ if (Type == ToolChain::CST_Libcxx) {
+ switch (LibCXXForSimulator) {
+ case LibCXXSimulator_None:
+ // Handle non-simulator cases.
+ if (isTargetIPhoneOS()) {
+ if (isIPhoneOSVersionLT(5, 0)) {
+ getDriver().Diag(clang::diag::err_drv_invalid_libcxx_deployment)
+ << "iOS 5.0";
+ }
+ }
+ break;
+ case LibCXXSimulator_NotAvailable:
+ getDriver().Diag(clang::diag::err_drv_invalid_libcxx_deployment)
+ << "iOS 5.0";
+ break;
+ case LibCXXSimulator_Available:
+ break;
+ }
+ }
+
+ return DAL;
+}
+
+bool Darwin::IsUnwindTablesDefault() const {
+ // FIXME: Gross; we should probably have some separate target
+ // definition, possibly even reusing the one in clang.
+ return getArchName() == "x86_64";
+}
+
+bool Darwin::UseDwarfDebugFlags() const {
+ if (const char *S = ::getenv("RC_DEBUG_OPTIONS"))
+ return S[0] != '\0';
+ return false;
+}
+
+bool Darwin::UseSjLjExceptions() const {
+ // Darwin uses SjLj exceptions on ARM.
+ return (getTriple().getArch() == llvm::Triple::arm ||
+ getTriple().getArch() == llvm::Triple::thumb);
+}
+
+const char *Darwin::GetDefaultRelocationModel() const {
+ return "pic";
+}
+
+const char *Darwin::GetForcedPicModel() const {
+ if (getArchName() == "x86_64")
+ return "pic";
+ return 0;
+}
+
+bool Darwin::SupportsProfiling() const {
+ // Profiling instrumentation is only supported on x86.
+ return getArchName() == "i386" || getArchName() == "x86_64";
+}
+
+bool Darwin::SupportsObjCGC() const {
+ // Garbage collection is supported everywhere except on iPhone OS.
+ return !isTargetIPhoneOS();
+}
+
+bool Darwin::SupportsObjCARC() const {
+ return isTargetIPhoneOS() || !isMacosxVersionLT(10, 6);
+}
+
+std::string
+Darwin_Generic_GCC::ComputeEffectiveClangTriple(const ArgList &Args,
+ types::ID InputType) const {
+ return ComputeLLVMTriple(Args, InputType);
+}
+
+/// Generic_GCC - A tool chain using the 'gcc' command to perform
+/// all subcommands; this relies on gcc translating the majority of
+/// command line options.
+
+/// \brief Parse a GCCVersion object out of a string of text.
+///
+/// This is the primary means of forming GCCVersion objects.
+/*static*/
+Generic_GCC::GCCVersion Linux::GCCVersion::Parse(StringRef VersionText) {
+ const GCCVersion BadVersion = { VersionText.str(), -1, -1, -1, "" };
+ std::pair<StringRef, StringRef> First = VersionText.split('.');
+ std::pair<StringRef, StringRef> Second = First.second.split('.');
+
+ GCCVersion GoodVersion = { VersionText.str(), -1, -1, -1, "" };
+ if (First.first.getAsInteger(10, GoodVersion.Major) ||
+ GoodVersion.Major < 0)
+ return BadVersion;
+ if (Second.first.getAsInteger(10, GoodVersion.Minor) ||
+ GoodVersion.Minor < 0)
+ return BadVersion;
+
+ // First look for a number prefix and parse that if present. Otherwise just
+ // stash the entire patch string in the suffix, and leave the number
+ // unspecified. This covers versions strings such as:
+ // 4.4
+ // 4.4.0
+ // 4.4.x
+ // 4.4.2-rc4
+ // 4.4.x-patched
+ // And retains any patch number it finds.
+ StringRef PatchText = GoodVersion.PatchSuffix = Second.second.str();
+ if (!PatchText.empty()) {
+ if (unsigned EndNumber = PatchText.find_first_not_of("0123456789")) {
+ // Try to parse the number and any suffix.
+ if (PatchText.slice(0, EndNumber).getAsInteger(10, GoodVersion.Patch) ||
+ GoodVersion.Patch < 0)
+ return BadVersion;
+ GoodVersion.PatchSuffix = PatchText.substr(EndNumber).str();
+ }
+ }
+
+ return GoodVersion;
+}
+
+/// \brief Less-than for GCCVersion, implementing a Strict Weak Ordering.
+bool Generic_GCC::GCCVersion::operator<(const GCCVersion &RHS) const {
+ if (Major < RHS.Major) return true; if (Major > RHS.Major) return false;
+ if (Minor < RHS.Minor) return true; if (Minor > RHS.Minor) return false;
+
+ // Note that we rank versions with *no* patch specified is better than ones
+ // hard-coding a patch version. Thus if the RHS has no patch, it always
+ // wins, and the LHS only wins if it has no patch and the RHS does have
+ // a patch.
+ if (RHS.Patch == -1) return true; if (Patch == -1) return false;
+ if (Patch < RHS.Patch) return true; if (Patch > RHS.Patch) return false;
+ if (PatchSuffix == RHS.PatchSuffix) return false;
+
+ // Finally, between completely tied version numbers, the version with the
+ // suffix loses as we prefer full releases.
+ if (RHS.PatchSuffix.empty()) return true;
+ return false;
+}
+
+static StringRef getGCCToolchainDir(const ArgList &Args) {
+ const Arg *A = Args.getLastArg(options::OPT_gcc_toolchain);
+ if (A)
+ return A->getValue(Args);
+ return GCC_INSTALL_PREFIX;
+}
+
+/// \brief Construct a GCCInstallationDetector from the driver.
+///
+/// This performs all of the autodetection and sets up the various paths.
+/// Once constructed, a GCCInstallationDetector is essentially immutable.
+///
+/// FIXME: We shouldn't need an explicit TargetTriple parameter here, and
+/// should instead pull the target out of the driver. This is currently
+/// necessary because the driver doesn't store the final version of the target
+/// triple.
+Generic_GCC::GCCInstallationDetector::GCCInstallationDetector(
+ const Driver &D,
+ const llvm::Triple &TargetTriple,
+ const ArgList &Args)
+ : IsValid(false) {
+ llvm::Triple MultiarchTriple
+ = TargetTriple.isArch32Bit() ? TargetTriple.get64BitArchVariant()
+ : TargetTriple.get32BitArchVariant();
+ llvm::Triple::ArchType TargetArch = TargetTriple.getArch();
+ // The library directories which may contain GCC installations.
+ SmallVector<StringRef, 4> CandidateLibDirs, CandidateMultiarchLibDirs;
+ // The compatible GCC triples for this particular architecture.
+ SmallVector<StringRef, 10> CandidateTripleAliases;
+ SmallVector<StringRef, 10> CandidateMultiarchTripleAliases;
+ CollectLibDirsAndTriples(TargetTriple, MultiarchTriple, CandidateLibDirs,
+ CandidateTripleAliases,
+ CandidateMultiarchLibDirs,
+ CandidateMultiarchTripleAliases);
+
+ // Compute the set of prefixes for our search.
+ SmallVector<std::string, 8> Prefixes(D.PrefixDirs.begin(),
+ D.PrefixDirs.end());
+
+ StringRef GCCToolchainDir = getGCCToolchainDir(Args);
+ if (GCCToolchainDir != "") {
+ if (GCCToolchainDir.back() == '/')
+ GCCToolchainDir = GCCToolchainDir.drop_back(); // remove the /
+
+ Prefixes.push_back(GCCToolchainDir);
+ } else {
+ Prefixes.push_back(D.SysRoot);
+ Prefixes.push_back(D.SysRoot + "/usr");
+ Prefixes.push_back(D.InstalledDir + "/..");
+ }
+
+ // Loop over the various components which exist and select the best GCC
+ // installation available. GCC installs are ranked by version number.
+ Version = GCCVersion::Parse("0.0.0");
+ for (unsigned i = 0, ie = Prefixes.size(); i < ie; ++i) {
+ if (!llvm::sys::fs::exists(Prefixes[i]))
+ continue;
+ for (unsigned j = 0, je = CandidateLibDirs.size(); j < je; ++j) {
+ const std::string LibDir = Prefixes[i] + CandidateLibDirs[j].str();
+ if (!llvm::sys::fs::exists(LibDir))
+ continue;
+ for (unsigned k = 0, ke = CandidateTripleAliases.size(); k < ke; ++k)
+ ScanLibDirForGCCTriple(TargetArch, LibDir, CandidateTripleAliases[k]);
+ }
+ for (unsigned j = 0, je = CandidateMultiarchLibDirs.size(); j < je; ++j) {
+ const std::string LibDir
+ = Prefixes[i] + CandidateMultiarchLibDirs[j].str();
+ if (!llvm::sys::fs::exists(LibDir))
+ continue;
+ for (unsigned k = 0, ke = CandidateMultiarchTripleAliases.size(); k < ke;
+ ++k)
+ ScanLibDirForGCCTriple(TargetArch, LibDir,
+ CandidateMultiarchTripleAliases[k],
+ /*NeedsMultiarchSuffix=*/true);
+ }
+ }
+}
+
+/*static*/ void Generic_GCC::GCCInstallationDetector::CollectLibDirsAndTriples(
+ const llvm::Triple &TargetTriple,
+ const llvm::Triple &MultiarchTriple,
+ SmallVectorImpl<StringRef> &LibDirs,
+ SmallVectorImpl<StringRef> &TripleAliases,
+ SmallVectorImpl<StringRef> &MultiarchLibDirs,
+ SmallVectorImpl<StringRef> &MultiarchTripleAliases) {
+ // Declare a bunch of static data sets that we'll select between below. These
+ // are specifically designed to always refer to string literals to avoid any
+ // lifetime or initialization issues.
+ static const char *const ARMLibDirs[] = { "/lib" };
+ static const char *const ARMTriples[] = {
+ "arm-linux-gnueabi",
+ "arm-linux-androideabi"
+ };
+
+ static const char *const X86_64LibDirs[] = { "/lib64", "/lib" };
+ static const char *const X86_64Triples[] = {
+ "x86_64-linux-gnu",
+ "x86_64-unknown-linux-gnu",
+ "x86_64-pc-linux-gnu",
+ "x86_64-redhat-linux6E",
+ "x86_64-redhat-linux",
+ "x86_64-suse-linux",
+ "x86_64-manbo-linux-gnu",
+ "x86_64-linux-gnu",
+ "x86_64-slackware-linux"
+ };
+ static const char *const X86LibDirs[] = { "/lib32", "/lib" };
+ static const char *const X86Triples[] = {
+ "i686-linux-gnu",
+ "i686-pc-linux-gnu",
+ "i486-linux-gnu",
+ "i386-linux-gnu",
+ "i686-redhat-linux",
+ "i586-redhat-linux",
+ "i386-redhat-linux",
+ "i586-suse-linux",
+ "i486-slackware-linux"
+ };
+
+ static const char *const MIPSLibDirs[] = { "/lib" };
+ static const char *const MIPSTriples[] = { "mips-linux-gnu" };
+ static const char *const MIPSELLibDirs[] = { "/lib" };
+ static const char *const MIPSELTriples[] = { "mipsel-linux-gnu" };
+
+ static const char *const PPCLibDirs[] = { "/lib32", "/lib" };
+ static const char *const PPCTriples[] = {
+ "powerpc-linux-gnu",
+ "powerpc-unknown-linux-gnu",
+ "powerpc-suse-linux"
+ };
+ static const char *const PPC64LibDirs[] = { "/lib64", "/lib" };
+ static const char *const PPC64Triples[] = {
+ "powerpc64-linux-gnu",
+ "powerpc64-unknown-linux-gnu",
+ "powerpc64-suse-linux",
+ "ppc64-redhat-linux"
+ };
+
+ switch (TargetTriple.getArch()) {
+ case llvm::Triple::arm:
+ case llvm::Triple::thumb:
+ LibDirs.append(ARMLibDirs, ARMLibDirs + llvm::array_lengthof(ARMLibDirs));
+ TripleAliases.append(
+ ARMTriples, ARMTriples + llvm::array_lengthof(ARMTriples));
+ break;
+ case llvm::Triple::x86_64:
+ LibDirs.append(
+ X86_64LibDirs, X86_64LibDirs + llvm::array_lengthof(X86_64LibDirs));
+ TripleAliases.append(
+ X86_64Triples, X86_64Triples + llvm::array_lengthof(X86_64Triples));
+ MultiarchLibDirs.append(
+ X86LibDirs, X86LibDirs + llvm::array_lengthof(X86LibDirs));
+ MultiarchTripleAliases.append(
+ X86Triples, X86Triples + llvm::array_lengthof(X86Triples));
+ break;
+ case llvm::Triple::x86:
+ LibDirs.append(X86LibDirs, X86LibDirs + llvm::array_lengthof(X86LibDirs));
+ TripleAliases.append(
+ X86Triples, X86Triples + llvm::array_lengthof(X86Triples));
+ MultiarchLibDirs.append(
+ X86_64LibDirs, X86_64LibDirs + llvm::array_lengthof(X86_64LibDirs));
+ MultiarchTripleAliases.append(
+ X86_64Triples, X86_64Triples + llvm::array_lengthof(X86_64Triples));
+ break;
+ case llvm::Triple::mips:
+ LibDirs.append(
+ MIPSLibDirs, MIPSLibDirs + llvm::array_lengthof(MIPSLibDirs));
+ TripleAliases.append(
+ MIPSTriples, MIPSTriples + llvm::array_lengthof(MIPSTriples));
+ break;
+ case llvm::Triple::mipsel:
+ LibDirs.append(
+ MIPSELLibDirs, MIPSELLibDirs + llvm::array_lengthof(MIPSELLibDirs));
+ TripleAliases.append(
+ MIPSELTriples, MIPSELTriples + llvm::array_lengthof(MIPSELTriples));
+ break;
+ case llvm::Triple::ppc:
+ LibDirs.append(PPCLibDirs, PPCLibDirs + llvm::array_lengthof(PPCLibDirs));
+ TripleAliases.append(
+ PPCTriples, PPCTriples + llvm::array_lengthof(PPCTriples));
+ MultiarchLibDirs.append(
+ PPC64LibDirs, PPC64LibDirs + llvm::array_lengthof(PPC64LibDirs));
+ MultiarchTripleAliases.append(
+ PPC64Triples, PPC64Triples + llvm::array_lengthof(PPC64Triples));
+ break;
+ case llvm::Triple::ppc64:
+ LibDirs.append(
+ PPC64LibDirs, PPC64LibDirs + llvm::array_lengthof(PPC64LibDirs));
+ TripleAliases.append(
+ PPC64Triples, PPC64Triples + llvm::array_lengthof(PPC64Triples));
+ MultiarchLibDirs.append(
+ PPCLibDirs, PPCLibDirs + llvm::array_lengthof(PPCLibDirs));
+ MultiarchTripleAliases.append(
+ PPCTriples, PPCTriples + llvm::array_lengthof(PPCTriples));
+ break;
+
+ default:
+ // By default, just rely on the standard lib directories and the original
+ // triple.
+ break;
+ }
+
+ // Always append the drivers target triple to the end, in case it doesn't
+ // match any of our aliases.
+ TripleAliases.push_back(TargetTriple.str());
+
+ // Also include the multiarch variant if it's different.
+ if (TargetTriple.str() != MultiarchTriple.str())
+ MultiarchTripleAliases.push_back(MultiarchTriple.str());
+}
+
+void Generic_GCC::GCCInstallationDetector::ScanLibDirForGCCTriple(
+ llvm::Triple::ArchType TargetArch, const std::string &LibDir,
+ StringRef CandidateTriple, bool NeedsMultiarchSuffix) {
+ // There are various different suffixes involving the triple we
+ // check for. We also record what is necessary to walk from each back
+ // up to the lib directory.
+ const std::string LibSuffixes[] = {
+ "/gcc/" + CandidateTriple.str(),
+ "/" + CandidateTriple.str() + "/gcc/" + CandidateTriple.str(),
+
+ // Ubuntu has a strange mis-matched pair of triples that this happens to
+ // match.
+ // FIXME: It may be worthwhile to generalize this and look for a second
+ // triple.
+ "/i386-linux-gnu/gcc/" + CandidateTriple.str()
+ };
+ const std::string InstallSuffixes[] = {
+ "/../../..",
+ "/../../../..",
+ "/../../../.."
+ };
+ // Only look at the final, weird Ubuntu suffix for i386-linux-gnu.
+ const unsigned NumLibSuffixes = (llvm::array_lengthof(LibSuffixes) -
+ (TargetArch != llvm::Triple::x86));
+ for (unsigned i = 0; i < NumLibSuffixes; ++i) {
+ StringRef LibSuffix = LibSuffixes[i];
+ llvm::error_code EC;
+ for (llvm::sys::fs::directory_iterator LI(LibDir + LibSuffix, EC), LE;
+ !EC && LI != LE; LI = LI.increment(EC)) {
+ StringRef VersionText = llvm::sys::path::filename(LI->path());
+ GCCVersion CandidateVersion = GCCVersion::Parse(VersionText);
+ static const GCCVersion MinVersion = { "4.1.1", 4, 1, 1, "" };
+ if (CandidateVersion < MinVersion)
+ continue;
+ if (CandidateVersion <= Version)
+ continue;
+
+ // Some versions of SUSE and Fedora on ppc64 put 32-bit libs
+ // in what would normally be GCCInstallPath and put the 64-bit
+ // libs in a subdirectory named 64. The simple logic we follow is that
+ // *if* there is a subdirectory of the right name with crtbegin.o in it,
+ // we use that. If not, and if not a multiarch triple, we look for
+ // crtbegin.o without the subdirectory.
+ StringRef MultiarchSuffix
+ = (TargetArch == llvm::Triple::x86_64 ||
+ TargetArch == llvm::Triple::ppc64) ? "/64" : "/32";
+ if (llvm::sys::fs::exists(LI->path() + MultiarchSuffix + "/crtbegin.o")) {
+ GCCMultiarchSuffix = MultiarchSuffix.str();
+ } else {
+ if (NeedsMultiarchSuffix ||
+ !llvm::sys::fs::exists(LI->path() + "/crtbegin.o"))
+ continue;
+ GCCMultiarchSuffix.clear();
+ }
+
+ Version = CandidateVersion;
+ GCCTriple.setTriple(CandidateTriple);
+ // FIXME: We hack together the directory name here instead of
+ // using LI to ensure stable path separators across Windows and
+ // Linux.
+ GCCInstallPath = LibDir + LibSuffixes[i] + "/" + VersionText.str();
+ GCCParentLibPath = GCCInstallPath + InstallSuffixes[i];
+ IsValid = true;
+ }
+ }
+}
+
+Generic_GCC::Generic_GCC(const Driver &D, const llvm::Triple& Triple,
+ const ArgList &Args)
+ : ToolChain(D, Triple), GCCInstallation(getDriver(), Triple, Args) {
+ getProgramPaths().push_back(getDriver().getInstalledDir());
+ if (getDriver().getInstalledDir() != getDriver().Dir)
+ getProgramPaths().push_back(getDriver().Dir);
+}
+
+Generic_GCC::~Generic_GCC() {
+ // Free tool implementations.
+ for (llvm::DenseMap<unsigned, Tool*>::iterator
+ it = Tools.begin(), ie = Tools.end(); it != ie; ++it)
+ delete it->second;
+}
+
+Tool &Generic_GCC::SelectTool(const Compilation &C,
+ const JobAction &JA,
+ const ActionList &Inputs) const {
+ Action::ActionClass Key;
+ if (getDriver().ShouldUseClangCompiler(C, JA, getTriple()))
+ Key = Action::AnalyzeJobClass;
+ else
+ Key = JA.getKind();
+
+ Tool *&T = Tools[Key];
+ if (!T) {
+ switch (Key) {
+ case Action::InputClass:
+ case Action::BindArchClass:
+ llvm_unreachable("Invalid tool kind.");
+ case Action::PreprocessJobClass:
+ T = new tools::gcc::Preprocess(*this); break;
+ case Action::PrecompileJobClass:
+ T = new tools::gcc::Precompile(*this); break;
+ case Action::AnalyzeJobClass:
+ case Action::MigrateJobClass:
+ T = new tools::Clang(*this); break;
+ case Action::CompileJobClass:
+ T = new tools::gcc::Compile(*this); break;
+ case Action::AssembleJobClass:
+ T = new tools::gcc::Assemble(*this); break;
+ case Action::LinkJobClass:
+ T = new tools::gcc::Link(*this); break;
+
+ // This is a bit ungeneric, but the only platform using a driver
+ // driver is Darwin.
+ case Action::LipoJobClass:
+ T = new tools::darwin::Lipo(*this); break;
+ case Action::DsymutilJobClass:
+ T = new tools::darwin::Dsymutil(*this); break;
+ case Action::VerifyJobClass:
+ T = new tools::darwin::VerifyDebug(*this); break;
+ }
+ }
+
+ return *T;
+}
+
+bool Generic_GCC::IsUnwindTablesDefault() const {
+ // FIXME: Gross; we should probably have some separate target
+ // definition, possibly even reusing the one in clang.
+ return getArchName() == "x86_64";
+}
+
+const char *Generic_GCC::GetDefaultRelocationModel() const {
+ return "static";
+}
+
+const char *Generic_GCC::GetForcedPicModel() const {
+ return 0;
+}
+/// Hexagon Toolchain
+
+Hexagon_TC::Hexagon_TC(const Driver &D, const llvm::Triple& Triple)
+ : ToolChain(D, Triple) {
+ getProgramPaths().push_back(getDriver().getInstalledDir());
+ if (getDriver().getInstalledDir() != getDriver().Dir.c_str())
+ getProgramPaths().push_back(getDriver().Dir);
+}
+
+Hexagon_TC::~Hexagon_TC() {
+ // Free tool implementations.
+ for (llvm::DenseMap<unsigned, Tool*>::iterator
+ it = Tools.begin(), ie = Tools.end(); it != ie; ++it)
+ delete it->second;
+}
+
+Tool &Hexagon_TC::SelectTool(const Compilation &C,
+ const JobAction &JA,
+ const ActionList &Inputs) const {
+ Action::ActionClass Key;
+ // if (JA.getKind () == Action::CompileJobClass)
+ // Key = JA.getKind ();
+ // else
+
+ if (getDriver().ShouldUseClangCompiler(C, JA, getTriple()))
+ Key = Action::AnalyzeJobClass;
+ else
+ Key = JA.getKind();
+ // if ((JA.getKind () == Action::CompileJobClass)
+ // && (JA.getType () != types::TY_LTO_BC)) {
+ // Key = JA.getKind ();
+ // }
+
+ Tool *&T = Tools[Key];
+ if (!T) {
+ switch (Key) {
+ case Action::InputClass:
+ case Action::BindArchClass:
+ assert(0 && "Invalid tool kind.");
+ case Action::AnalyzeJobClass:
+ T = new tools::Clang(*this); break;
+ case Action::AssembleJobClass:
+ T = new tools::hexagon::Assemble(*this); break;
+ case Action::LinkJobClass:
+ T = new tools::hexagon::Link(*this); break;
+ default:
+ assert(false && "Unsupported action for Hexagon target.");
+ }
+ }
+
+ return *T;
+}
+
+bool Hexagon_TC::IsUnwindTablesDefault() const {
+ // FIXME: Gross; we should probably have some separate target
+ // definition, possibly even reusing the one in clang.
+ return getArchName() == "x86_64";
+}
+
+const char *Hexagon_TC::GetDefaultRelocationModel() const {
+ return "static";
+}
+
+const char *Hexagon_TC::GetForcedPicModel() const {
+ return 0;
+} // End Hexagon
+
+
+/// TCEToolChain - A tool chain using the llvm bitcode tools to perform
+/// all subcommands. See http://tce.cs.tut.fi for our peculiar target.
+/// Currently does not support anything else but compilation.
+
+TCEToolChain::TCEToolChain(const Driver &D, const llvm::Triple& Triple)
+ : ToolChain(D, Triple) {
+ // Path mangling to find libexec
+ std::string Path(getDriver().Dir);
+
+ Path += "/../libexec";
+ getProgramPaths().push_back(Path);
+}
+
+TCEToolChain::~TCEToolChain() {
+ for (llvm::DenseMap<unsigned, Tool*>::iterator
+ it = Tools.begin(), ie = Tools.end(); it != ie; ++it)
+ delete it->second;
+}
+
+bool TCEToolChain::IsMathErrnoDefault() const {
+ return true;
+}
+
+bool TCEToolChain::IsUnwindTablesDefault() const {
+ return false;
+}
+
+const char *TCEToolChain::GetDefaultRelocationModel() const {
+ return "static";
+}
+
+const char *TCEToolChain::GetForcedPicModel() const {
+ return 0;
+}
+
+Tool &TCEToolChain::SelectTool(const Compilation &C,
+ const JobAction &JA,
+ const ActionList &Inputs) const {
+ Action::ActionClass Key;
+ Key = Action::AnalyzeJobClass;
+
+ Tool *&T = Tools[Key];
+ if (!T) {
+ switch (Key) {
+ case Action::PreprocessJobClass:
+ T = new tools::gcc::Preprocess(*this); break;
+ case Action::AnalyzeJobClass:
+ T = new tools::Clang(*this); break;
+ default:
+ llvm_unreachable("Unsupported action for TCE target.");
+ }
+ }
+ return *T;
+}
+
+/// OpenBSD - OpenBSD tool chain which can call as(1) and ld(1) directly.
+
+OpenBSD::OpenBSD(const Driver &D, const llvm::Triple& Triple, const ArgList &Args)
+ : Generic_ELF(D, Triple, Args) {
+ getFilePaths().push_back(getDriver().Dir + "/../lib");
+ getFilePaths().push_back("/usr/lib");
+}
+
+Tool &OpenBSD::SelectTool(const Compilation &C, const JobAction &JA,
+ const ActionList &Inputs) const {
+ Action::ActionClass Key;
+ if (getDriver().ShouldUseClangCompiler(C, JA, getTriple()))
+ Key = Action::AnalyzeJobClass;
+ else
+ Key = JA.getKind();
+
+ bool UseIntegratedAs = C.getArgs().hasFlag(options::OPT_integrated_as,
+ options::OPT_no_integrated_as,
+ IsIntegratedAssemblerDefault());
+
+ Tool *&T = Tools[Key];
+ if (!T) {
+ switch (Key) {
+ case Action::AssembleJobClass: {
+ if (UseIntegratedAs)
+ T = new tools::ClangAs(*this);
+ else
+ T = new tools::openbsd::Assemble(*this);
+ break;
+ }
+ case Action::LinkJobClass:
+ T = new tools::openbsd::Link(*this); break;
+ default:
+ T = &Generic_GCC::SelectTool(C, JA, Inputs);
+ }
+ }
+
+ return *T;
+}
+
+/// FreeBSD - FreeBSD tool chain which can call as(1) and ld(1) directly.
+
+FreeBSD::FreeBSD(const Driver &D, const llvm::Triple& Triple, const ArgList &Args)
+ : Generic_ELF(D, Triple, Args) {
+
+ // When targeting 32-bit platforms, look for '/usr/lib32/crt1.o' and fall
+ // back to '/usr/lib' if it doesn't exist.
+ if ((Triple.getArch() == llvm::Triple::x86 ||
+ Triple.getArch() == llvm::Triple::ppc) &&
+ llvm::sys::fs::exists(getDriver().SysRoot + "/usr/lib32/crt1.o"))
+ getFilePaths().push_back(getDriver().SysRoot + "/usr/lib32");
+ else
+ getFilePaths().push_back(getDriver().SysRoot + "/usr/lib");
+}
+
+Tool &FreeBSD::SelectTool(const Compilation &C, const JobAction &JA,
+ const ActionList &Inputs) const {
+ Action::ActionClass Key;
+ if (getDriver().ShouldUseClangCompiler(C, JA, getTriple()))
+ Key = Action::AnalyzeJobClass;
+ else
+ Key = JA.getKind();
+
+ bool UseIntegratedAs = C.getArgs().hasFlag(options::OPT_integrated_as,
+ options::OPT_no_integrated_as,
+ IsIntegratedAssemblerDefault());
+
+ Tool *&T = Tools[Key];
+ if (!T) {
+ switch (Key) {
+ case Action::AssembleJobClass:
+ if (UseIntegratedAs)
+ T = new tools::ClangAs(*this);
+ else
+ T = new tools::freebsd::Assemble(*this);
+ break;
+ case Action::LinkJobClass:
+ T = new tools::freebsd::Link(*this); break;
+ default:
+ T = &Generic_GCC::SelectTool(C, JA, Inputs);
+ }
+ }
+
+ return *T;
+}
+
+/// NetBSD - NetBSD tool chain which can call as(1) and ld(1) directly.
+
+NetBSD::NetBSD(const Driver &D, const llvm::Triple& Triple, const ArgList &Args)
+ : Generic_ELF(D, Triple, Args) {
+
+ if (getDriver().UseStdLib) {
+ // When targeting a 32-bit platform, try the special directory used on
+ // 64-bit hosts, and only fall back to the main library directory if that
+ // doesn't work.
+ // FIXME: It'd be nicer to test if this directory exists, but I'm not sure
+ // what all logic is needed to emulate the '=' prefix here.
+ if (Triple.getArch() == llvm::Triple::x86)
+ getFilePaths().push_back("=/usr/lib/i386");
+
+ getFilePaths().push_back("=/usr/lib");
+ }
+}
+
+Tool &NetBSD::SelectTool(const Compilation &C, const JobAction &JA,
+ const ActionList &Inputs) const {
+ Action::ActionClass Key;
+ if (getDriver().ShouldUseClangCompiler(C, JA, getTriple()))
+ Key = Action::AnalyzeJobClass;
+ else
+ Key = JA.getKind();
+
+ bool UseIntegratedAs = C.getArgs().hasFlag(options::OPT_integrated_as,
+ options::OPT_no_integrated_as,
+ IsIntegratedAssemblerDefault());
+
+ Tool *&T = Tools[Key];
+ if (!T) {
+ switch (Key) {
+ case Action::AssembleJobClass:
+ if (UseIntegratedAs)
+ T = new tools::ClangAs(*this);
+ else
+ T = new tools::netbsd::Assemble(*this);
+ break;
+ case Action::LinkJobClass:
+ T = new tools::netbsd::Link(*this);
+ break;
+ default:
+ T = &Generic_GCC::SelectTool(C, JA, Inputs);
+ }
+ }
+
+ return *T;
+}
+
+/// Minix - Minix tool chain which can call as(1) and ld(1) directly.
+
+Minix::Minix(const Driver &D, const llvm::Triple& Triple, const ArgList &Args)
+ : Generic_ELF(D, Triple, Args) {
+ getFilePaths().push_back(getDriver().Dir + "/../lib");
+ getFilePaths().push_back("/usr/lib");
+}
+
+Tool &Minix::SelectTool(const Compilation &C, const JobAction &JA,
+ const ActionList &Inputs) const {
+ Action::ActionClass Key;
+ if (getDriver().ShouldUseClangCompiler(C, JA, getTriple()))
+ Key = Action::AnalyzeJobClass;
+ else
+ Key = JA.getKind();
+
+ Tool *&T = Tools[Key];
+ if (!T) {
+ switch (Key) {
+ case Action::AssembleJobClass:
+ T = new tools::minix::Assemble(*this); break;
+ case Action::LinkJobClass:
+ T = new tools::minix::Link(*this); break;
+ default:
+ T = &Generic_GCC::SelectTool(C, JA, Inputs);
+ }
+ }
+
+ return *T;
+}
+
+/// AuroraUX - AuroraUX tool chain which can call as(1) and ld(1) directly.
+
+AuroraUX::AuroraUX(const Driver &D, const llvm::Triple& Triple,
+ const ArgList &Args)
+ : Generic_GCC(D, Triple, Args) {
+
+ getProgramPaths().push_back(getDriver().getInstalledDir());
+ if (getDriver().getInstalledDir() != getDriver().Dir)
+ getProgramPaths().push_back(getDriver().Dir);
+
+ getFilePaths().push_back(getDriver().Dir + "/../lib");
+ getFilePaths().push_back("/usr/lib");
+ getFilePaths().push_back("/usr/sfw/lib");
+ getFilePaths().push_back("/opt/gcc4/lib");
+ getFilePaths().push_back("/opt/gcc4/lib/gcc/i386-pc-solaris2.11/4.2.4");
+
+}
+
+Tool &AuroraUX::SelectTool(const Compilation &C, const JobAction &JA,
+ const ActionList &Inputs) const {
+ Action::ActionClass Key;
+ if (getDriver().ShouldUseClangCompiler(C, JA, getTriple()))
+ Key = Action::AnalyzeJobClass;
+ else
+ Key = JA.getKind();
+
+ Tool *&T = Tools[Key];
+ if (!T) {
+ switch (Key) {
+ case Action::AssembleJobClass:
+ T = new tools::auroraux::Assemble(*this); break;
+ case Action::LinkJobClass:
+ T = new tools::auroraux::Link(*this); break;
+ default:
+ T = &Generic_GCC::SelectTool(C, JA, Inputs);
+ }
+ }
+
+ return *T;
+}
+
+/// Solaris - Solaris tool chain which can call as(1) and ld(1) directly.
+
+Solaris::Solaris(const Driver &D, const llvm::Triple& Triple,
+ const ArgList &Args)
+ : Generic_GCC(D, Triple, Args) {
+
+ getProgramPaths().push_back(getDriver().getInstalledDir());
+ if (getDriver().getInstalledDir() != getDriver().Dir)
+ getProgramPaths().push_back(getDriver().Dir);
+
+ getFilePaths().push_back(getDriver().Dir + "/../lib");
+ getFilePaths().push_back("/usr/lib");
+}
+
+Tool &Solaris::SelectTool(const Compilation &C, const JobAction &JA,
+ const ActionList &Inputs) const {
+ Action::ActionClass Key;
+ if (getDriver().ShouldUseClangCompiler(C, JA, getTriple()))
+ Key = Action::AnalyzeJobClass;
+ else
+ Key = JA.getKind();
+
+ Tool *&T = Tools[Key];
+ if (!T) {
+ switch (Key) {
+ case Action::AssembleJobClass:
+ T = new tools::solaris::Assemble(*this); break;
+ case Action::LinkJobClass:
+ T = new tools::solaris::Link(*this); break;
+ default:
+ T = &Generic_GCC::SelectTool(C, JA, Inputs);
+ }
+ }
+
+ return *T;
+}
+
+/// Linux toolchain (very bare-bones at the moment).
+
+enum LinuxDistro {
+ ArchLinux,
+ DebianLenny,
+ DebianSqueeze,
+ DebianWheezy,
+ Exherbo,
+ RHEL4,
+ RHEL5,
+ RHEL6,
+ Fedora13,
+ Fedora14,
+ Fedora15,
+ Fedora16,
+ FedoraRawhide,
+ OpenSuse11_3,
+ OpenSuse11_4,
+ OpenSuse12_1,
+ OpenSuse12_2,
+ UbuntuHardy,
+ UbuntuIntrepid,
+ UbuntuJaunty,
+ UbuntuKarmic,
+ UbuntuLucid,
+ UbuntuMaverick,
+ UbuntuNatty,
+ UbuntuOneiric,
+ UbuntuPrecise,
+ UnknownDistro
+};
+
+static bool IsRedhat(enum LinuxDistro Distro) {
+ return (Distro >= Fedora13 && Distro <= FedoraRawhide) ||
+ (Distro >= RHEL4 && Distro <= RHEL6);
+}
+
+static bool IsOpenSuse(enum LinuxDistro Distro) {
+ return Distro >= OpenSuse11_3 && Distro <= OpenSuse12_2;
+}
+
+static bool IsDebian(enum LinuxDistro Distro) {
+ return Distro >= DebianLenny && Distro <= DebianWheezy;
+}
+
+static bool IsUbuntu(enum LinuxDistro Distro) {
+ return Distro >= UbuntuHardy && Distro <= UbuntuPrecise;
+}
+
+static LinuxDistro DetectLinuxDistro(llvm::Triple::ArchType Arch) {
+ OwningPtr<llvm::MemoryBuffer> File;
+ if (!llvm::MemoryBuffer::getFile("/etc/lsb-release", File)) {
+ StringRef Data = File.get()->getBuffer();
+ SmallVector<StringRef, 8> Lines;
+ Data.split(Lines, "\n");
+ LinuxDistro Version = UnknownDistro;
+ for (unsigned i = 0, s = Lines.size(); i != s; ++i)
+ if (Version == UnknownDistro && Lines[i].startswith("DISTRIB_CODENAME="))
+ Version = llvm::StringSwitch<LinuxDistro>(Lines[i].substr(17))
+ .Case("hardy", UbuntuHardy)
+ .Case("intrepid", UbuntuIntrepid)
+ .Case("jaunty", UbuntuJaunty)
+ .Case("karmic", UbuntuKarmic)
+ .Case("lucid", UbuntuLucid)
+ .Case("maverick", UbuntuMaverick)
+ .Case("natty", UbuntuNatty)
+ .Case("oneiric", UbuntuOneiric)
+ .Case("precise", UbuntuPrecise)
+ .Default(UnknownDistro);
+ return Version;
+ }
+
+ if (!llvm::MemoryBuffer::getFile("/etc/redhat-release", File)) {
+ StringRef Data = File.get()->getBuffer();
+ if (Data.startswith("Fedora release 16"))
+ return Fedora16;
+ else if (Data.startswith("Fedora release 15"))
+ return Fedora15;
+ else if (Data.startswith("Fedora release 14"))
+ return Fedora14;
+ else if (Data.startswith("Fedora release 13"))
+ return Fedora13;
+ else if (Data.startswith("Fedora release") &&
+ Data.find("Rawhide") != StringRef::npos)
+ return FedoraRawhide;
+ else if (Data.startswith("Red Hat Enterprise Linux") &&
+ Data.find("release 6") != StringRef::npos)
+ return RHEL6;
+ else if ((Data.startswith("Red Hat Enterprise Linux") ||
+ Data.startswith("CentOS")) &&
+ Data.find("release 5") != StringRef::npos)
+ return RHEL5;
+ else if ((Data.startswith("Red Hat Enterprise Linux") ||
+ Data.startswith("CentOS")) &&
+ Data.find("release 4") != StringRef::npos)
+ return RHEL4;
+ return UnknownDistro;
+ }
+
+ if (!llvm::MemoryBuffer::getFile("/etc/debian_version", File)) {
+ StringRef Data = File.get()->getBuffer();
+ if (Data[0] == '5')
+ return DebianLenny;
+ else if (Data.startswith("squeeze/sid") || Data[0] == '6')
+ return DebianSqueeze;
+ else if (Data.startswith("wheezy/sid") || Data[0] == '7')
+ return DebianWheezy;
+ return UnknownDistro;
+ }
+
+ if (!llvm::MemoryBuffer::getFile("/etc/SuSE-release", File))
+ return llvm::StringSwitch<LinuxDistro>(File.get()->getBuffer())
+ .StartsWith("openSUSE 11.3", OpenSuse11_3)
+ .StartsWith("openSUSE 11.4", OpenSuse11_4)
+ .StartsWith("openSUSE 12.1", OpenSuse12_1)
+ .StartsWith("openSUSE 12.2", OpenSuse12_2)
+ .Default(UnknownDistro);
+
+ bool Exists;
+ if (!llvm::sys::fs::exists("/etc/exherbo-release", Exists) && Exists)
+ return Exherbo;
+
+ if (!llvm::sys::fs::exists("/etc/arch-release", Exists) && Exists)
+ return ArchLinux;
+
+ return UnknownDistro;
+}
+
+/// \brief Get our best guess at the multiarch triple for a target.
+///
+/// Debian-based systems are starting to use a multiarch setup where they use
+/// a target-triple directory in the library and header search paths.
+/// Unfortunately, this triple does not align with the vanilla target triple,
+/// so we provide a rough mapping here.
+static std::string getMultiarchTriple(const llvm::Triple TargetTriple,
+ StringRef SysRoot) {
+ // For most architectures, just use whatever we have rather than trying to be
+ // clever.
+ switch (TargetTriple.getArch()) {
+ default:
+ return TargetTriple.str();
+
+ // We use the existence of '/lib/<triple>' as a directory to detect some
+ // common linux triples that don't quite match the Clang triple for both
+ // 32-bit and 64-bit targets. Multiarch fixes its install triples to these
+ // regardless of what the actual target triple is.
+ case llvm::Triple::x86:
+ if (llvm::sys::fs::exists(SysRoot + "/lib/i386-linux-gnu"))
+ return "i386-linux-gnu";
+ return TargetTriple.str();
+ case llvm::Triple::x86_64:
+ if (llvm::sys::fs::exists(SysRoot + "/lib/x86_64-linux-gnu"))
+ return "x86_64-linux-gnu";
+ return TargetTriple.str();
+ case llvm::Triple::mips:
+ if (llvm::sys::fs::exists(SysRoot + "/lib/mips-linux-gnu"))
+ return "mips-linux-gnu";
+ return TargetTriple.str();
+ case llvm::Triple::mipsel:
+ if (llvm::sys::fs::exists(SysRoot + "/lib/mipsel-linux-gnu"))
+ return "mipsel-linux-gnu";
+ return TargetTriple.str();
+ case llvm::Triple::ppc:
+ if (llvm::sys::fs::exists(SysRoot + "/lib/powerpc-linux-gnu"))
+ return "powerpc-linux-gnu";
+ return TargetTriple.str();
+ case llvm::Triple::ppc64:
+ if (llvm::sys::fs::exists(SysRoot + "/lib/powerpc64-linux-gnu"))
+ return "powerpc64-linux-gnu";
+ return TargetTriple.str();
+ }
+}
+
+static void addPathIfExists(Twine Path, ToolChain::path_list &Paths) {
+ if (llvm::sys::fs::exists(Path)) Paths.push_back(Path.str());
+}
+
+Linux::Linux(const Driver &D, const llvm::Triple &Triple, const ArgList &Args)
+ : Generic_ELF(D, Triple, Args) {
+ llvm::Triple::ArchType Arch = Triple.getArch();
+ const std::string &SysRoot = getDriver().SysRoot;
+
+ // OpenSuse stores the linker with the compiler, add that to the search
+ // path.
+ ToolChain::path_list &PPaths = getProgramPaths();
+ PPaths.push_back(Twine(GCCInstallation.getParentLibPath() + "/../" +
+ GCCInstallation.getTriple().str() + "/bin").str());
+
+ Linker = GetProgramPath("ld");
+
+ LinuxDistro Distro = DetectLinuxDistro(Arch);
+
+ if (IsOpenSuse(Distro) || IsUbuntu(Distro)) {
+ ExtraOpts.push_back("-z");
+ ExtraOpts.push_back("relro");
+ }
+
+ if (Arch == llvm::Triple::arm || Arch == llvm::Triple::thumb)
+ ExtraOpts.push_back("-X");
+
+ const bool IsMips = Arch == llvm::Triple::mips ||
+ Arch == llvm::Triple::mipsel ||
+ Arch == llvm::Triple::mips64 ||
+ Arch == llvm::Triple::mips64el;
+
+ const bool IsAndroid = Triple.getEnvironment() == llvm::Triple::ANDROIDEABI;
+
+ // Do not use 'gnu' hash style for Mips targets because .gnu.hash
+ // and the MIPS ABI require .dynsym to be sorted in different ways.
+ // .gnu.hash needs symbols to be grouped by hash code whereas the MIPS
+ // ABI requires a mapping between the GOT and the symbol table.
+ // Android loader does not support .gnu.hash.
+ if (!IsMips && !IsAndroid) {
+ if (IsRedhat(Distro) || IsOpenSuse(Distro) ||
+ (IsUbuntu(Distro) && Distro >= UbuntuMaverick))
+ ExtraOpts.push_back("--hash-style=gnu");
+
+ if (IsDebian(Distro) || IsOpenSuse(Distro) || Distro == UbuntuLucid ||
+ Distro == UbuntuJaunty || Distro == UbuntuKarmic)
+ ExtraOpts.push_back("--hash-style=both");
+ }
+
+ if (IsRedhat(Distro))
+ ExtraOpts.push_back("--no-add-needed");
+
+ if (Distro == DebianSqueeze || Distro == DebianWheezy ||
+ IsOpenSuse(Distro) ||
+ (IsRedhat(Distro) && Distro != RHEL4 && Distro != RHEL5) ||
+ (IsUbuntu(Distro) && Distro >= UbuntuKarmic))
+ ExtraOpts.push_back("--build-id");
+
+ if (IsOpenSuse(Distro))
+ ExtraOpts.push_back("--enable-new-dtags");
+
+ // The selection of paths to try here is designed to match the patterns which
+ // the GCC driver itself uses, as this is part of the GCC-compatible driver.
+ // This was determined by running GCC in a fake filesystem, creating all
+ // possible permutations of these directories, and seeing which ones it added
+ // to the link paths.
+ path_list &Paths = getFilePaths();
+
+ const std::string Multilib = Triple.isArch32Bit() ? "lib32" : "lib64";
+ const std::string MultiarchTriple = getMultiarchTriple(Triple, SysRoot);
+
+ // Add the multilib suffixed paths where they are available.
+ if (GCCInstallation.isValid()) {
+ const llvm::Triple &GCCTriple = GCCInstallation.getTriple();
+ const std::string &LibPath = GCCInstallation.getParentLibPath();
+ addPathIfExists((GCCInstallation.getInstallPath() +
+ GCCInstallation.getMultiarchSuffix()),
+ Paths);
+
+ // If the GCC installation we found is inside of the sysroot, we want to
+ // prefer libraries installed in the parent prefix of the GCC installation.
+ // It is important to *not* use these paths when the GCC installation is
+ // outside of the system root as that can pick up unintended libraries.
+ // This usually happens when there is an external cross compiler on the
+ // host system, and a more minimal sysroot available that is the target of
+ // the cross.
+ if (StringRef(LibPath).startswith(SysRoot)) {
+ addPathIfExists(LibPath + "/../" + GCCTriple.str() + "/lib/../" + Multilib,
+ Paths);
+ addPathIfExists(LibPath + "/" + MultiarchTriple, Paths);
+ addPathIfExists(LibPath + "/../" + Multilib, Paths);
+ }
+ }
+ addPathIfExists(SysRoot + "/lib/" + MultiarchTriple, Paths);
+ addPathIfExists(SysRoot + "/lib/../" + Multilib, Paths);
+ addPathIfExists(SysRoot + "/usr/lib/" + MultiarchTriple, Paths);
+ addPathIfExists(SysRoot + "/usr/lib/../" + Multilib, Paths);
+
+ // Try walking via the GCC triple path in case of multiarch GCC
+ // installations with strange symlinks.
+ if (GCCInstallation.isValid())
+ addPathIfExists(SysRoot + "/usr/lib/" + GCCInstallation.getTriple().str() +
+ "/../../" + Multilib, Paths);
+
+ // Add the non-multilib suffixed paths (if potentially different).
+ if (GCCInstallation.isValid()) {
+ const std::string &LibPath = GCCInstallation.getParentLibPath();
+ const llvm::Triple &GCCTriple = GCCInstallation.getTriple();
+ if (!GCCInstallation.getMultiarchSuffix().empty())
+ addPathIfExists(GCCInstallation.getInstallPath(), Paths);
+
+ if (StringRef(LibPath).startswith(SysRoot)) {
+ addPathIfExists(LibPath + "/../" + GCCTriple.str() + "/lib", Paths);
+ addPathIfExists(LibPath, Paths);
+ }
+ }
+ addPathIfExists(SysRoot + "/lib", Paths);
+ addPathIfExists(SysRoot + "/usr/lib", Paths);
+}
+
+bool Linux::HasNativeLLVMSupport() const {
+ return true;
+}
+
+Tool &Linux::SelectTool(const Compilation &C, const JobAction &JA,
+ const ActionList &Inputs) const {
+ Action::ActionClass Key;
+ if (getDriver().ShouldUseClangCompiler(C, JA, getTriple()))
+ Key = Action::AnalyzeJobClass;
+ else
+ Key = JA.getKind();
+
+ bool UseIntegratedAs = C.getArgs().hasFlag(options::OPT_integrated_as,
+ options::OPT_no_integrated_as,
+ IsIntegratedAssemblerDefault());
+
+ Tool *&T = Tools[Key];
+ if (!T) {
+ switch (Key) {
+ case Action::AssembleJobClass:
+ if (UseIntegratedAs)
+ T = new tools::ClangAs(*this);
+ else
+ T = new tools::linuxtools::Assemble(*this);
+ break;
+ case Action::LinkJobClass:
+ T = new tools::linuxtools::Link(*this); break;
+ default:
+ T = &Generic_GCC::SelectTool(C, JA, Inputs);
+ }
+ }
+
+ return *T;
+}
+
+void Linux::AddClangSystemIncludeArgs(const ArgList &DriverArgs,
+ ArgStringList &CC1Args) const {
+ const Driver &D = getDriver();
+
+ if (DriverArgs.hasArg(options::OPT_nostdinc))
+ return;
+
+ if (!DriverArgs.hasArg(options::OPT_nostdlibinc))
+ addSystemInclude(DriverArgs, CC1Args, D.SysRoot + "/usr/local/include");
+
+ if (!DriverArgs.hasArg(options::OPT_nobuiltininc)) {
+ llvm::sys::Path P(D.ResourceDir);
+ P.appendComponent("include");
+ addSystemInclude(DriverArgs, CC1Args, P.str());
+ }
+
+ if (DriverArgs.hasArg(options::OPT_nostdlibinc))
+ return;
+
+ // Check for configure-time C include directories.
+ StringRef CIncludeDirs(C_INCLUDE_DIRS);
+ if (CIncludeDirs != "") {
+ SmallVector<StringRef, 5> dirs;
+ CIncludeDirs.split(dirs, ":");
+ for (SmallVectorImpl<StringRef>::iterator I = dirs.begin(), E = dirs.end();
+ I != E; ++I) {
+ StringRef Prefix = llvm::sys::path::is_absolute(*I) ? D.SysRoot : "";
+ addExternCSystemInclude(DriverArgs, CC1Args, Prefix + *I);
+ }
+ return;
+ }
+
+ // Lacking those, try to detect the correct set of system includes for the
+ // target triple.
+
+ // Implement generic Debian multiarch support.
+ const StringRef X86_64MultiarchIncludeDirs[] = {
+ "/usr/include/x86_64-linux-gnu",
+
+ // FIXME: These are older forms of multiarch. It's not clear that they're
+ // in use in any released version of Debian, so we should consider
+ // removing them.
+ "/usr/include/i686-linux-gnu/64",
+ "/usr/include/i486-linux-gnu/64"
+ };
+ const StringRef X86MultiarchIncludeDirs[] = {
+ "/usr/include/i386-linux-gnu",
+
+ // FIXME: These are older forms of multiarch. It's not clear that they're
+ // in use in any released version of Debian, so we should consider
+ // removing them.
+ "/usr/include/x86_64-linux-gnu/32",
+ "/usr/include/i686-linux-gnu",
+ "/usr/include/i486-linux-gnu"
+ };
+ const StringRef ARMMultiarchIncludeDirs[] = {
+ "/usr/include/arm-linux-gnueabi"
+ };
+ const StringRef MIPSMultiarchIncludeDirs[] = {
+ "/usr/include/mips-linux-gnu"
+ };
+ const StringRef MIPSELMultiarchIncludeDirs[] = {
+ "/usr/include/mipsel-linux-gnu"
+ };
+ const StringRef PPCMultiarchIncludeDirs[] = {
+ "/usr/include/powerpc-linux-gnu"
+ };
+ const StringRef PPC64MultiarchIncludeDirs[] = {
+ "/usr/include/powerpc64-linux-gnu"
+ };
+ ArrayRef<StringRef> MultiarchIncludeDirs;
+ if (getTriple().getArch() == llvm::Triple::x86_64) {
+ MultiarchIncludeDirs = X86_64MultiarchIncludeDirs;
+ } else if (getTriple().getArch() == llvm::Triple::x86) {
+ MultiarchIncludeDirs = X86MultiarchIncludeDirs;
+ } else if (getTriple().getArch() == llvm::Triple::arm) {
+ MultiarchIncludeDirs = ARMMultiarchIncludeDirs;
+ } else if (getTriple().getArch() == llvm::Triple::mips) {
+ MultiarchIncludeDirs = MIPSMultiarchIncludeDirs;
+ } else if (getTriple().getArch() == llvm::Triple::mipsel) {
+ MultiarchIncludeDirs = MIPSELMultiarchIncludeDirs;
+ } else if (getTriple().getArch() == llvm::Triple::ppc) {
+ MultiarchIncludeDirs = PPCMultiarchIncludeDirs;
+ } else if (getTriple().getArch() == llvm::Triple::ppc64) {
+ MultiarchIncludeDirs = PPC64MultiarchIncludeDirs;
+ }
+ for (ArrayRef<StringRef>::iterator I = MultiarchIncludeDirs.begin(),
+ E = MultiarchIncludeDirs.end();
+ I != E; ++I) {
+ if (llvm::sys::fs::exists(D.SysRoot + *I)) {
+ addExternCSystemInclude(DriverArgs, CC1Args, D.SysRoot + *I);
+ break;
+ }
+ }
+
+ if (getTriple().getOS() == llvm::Triple::RTEMS)
+ return;
+
+ // Add an include of '/include' directly. This isn't provided by default by
+ // system GCCs, but is often used with cross-compiling GCCs, and harmless to
+ // add even when Clang is acting as-if it were a system compiler.
+ addExternCSystemInclude(DriverArgs, CC1Args, D.SysRoot + "/include");
+
+ addExternCSystemInclude(DriverArgs, CC1Args, D.SysRoot + "/usr/include");
+}
+
+/// \brief Helper to add the thre variant paths for a libstdc++ installation.
+/*static*/ bool Linux::addLibStdCXXIncludePaths(Twine Base, Twine TargetArchDir,
+ const ArgList &DriverArgs,
+ ArgStringList &CC1Args) {
+ if (!llvm::sys::fs::exists(Base))
+ return false;
+ addSystemInclude(DriverArgs, CC1Args, Base);
+ addSystemInclude(DriverArgs, CC1Args, Base + "/" + TargetArchDir);
+ addSystemInclude(DriverArgs, CC1Args, Base + "/backward");
+ return true;
+}
+
+void Linux::AddClangCXXStdlibIncludeArgs(const ArgList &DriverArgs,
+ ArgStringList &CC1Args) const {
+ if (DriverArgs.hasArg(options::OPT_nostdlibinc) ||
+ DriverArgs.hasArg(options::OPT_nostdincxx))
+ return;
+
+ // Check if libc++ has been enabled and provide its include paths if so.
+ if (GetCXXStdlibType(DriverArgs) == ToolChain::CST_Libcxx) {
+ // libc++ is always installed at a fixed path on Linux currently.
+ addSystemInclude(DriverArgs, CC1Args,
+ getDriver().SysRoot + "/usr/include/c++/v1");
+ return;
+ }
+
+ // We need a detected GCC installation on Linux to provide libstdc++'s
+ // headers. We handled the libc++ case above.
+ if (!GCCInstallation.isValid())
+ return;
+
+ // By default, look for the C++ headers in an include directory adjacent to
+ // the lib directory of the GCC installation. Note that this is expect to be
+ // equivalent to '/usr/include/c++/X.Y' in almost all cases.
+ StringRef LibDir = GCCInstallation.getParentLibPath();
+ StringRef InstallDir = GCCInstallation.getInstallPath();
+ StringRef Version = GCCInstallation.getVersion();
+ if (!addLibStdCXXIncludePaths(LibDir + "/../include/c++/" + Version,
+ (GCCInstallation.getTriple().str() +
+ GCCInstallation.getMultiarchSuffix()),
+ DriverArgs, CC1Args)) {
+ // Gentoo is weird and places its headers inside the GCC install, so if the
+ // first attempt to find the headers fails, try this pattern.
+ addLibStdCXXIncludePaths(InstallDir + "/include/g++-v4",
+ (GCCInstallation.getTriple().str() +
+ GCCInstallation.getMultiarchSuffix()),
+ DriverArgs, CC1Args);
+ }
+}
+
+/// DragonFly - DragonFly tool chain which can call as(1) and ld(1) directly.
+
+DragonFly::DragonFly(const Driver &D, const llvm::Triple& Triple, const ArgList &Args)
+ : Generic_ELF(D, Triple, Args) {
+
+ // Path mangling to find libexec
+ getProgramPaths().push_back(getDriver().getInstalledDir());
+ if (getDriver().getInstalledDir() != getDriver().Dir)
+ getProgramPaths().push_back(getDriver().Dir);
+
+ getFilePaths().push_back(getDriver().Dir + "/../lib");
+ getFilePaths().push_back("/usr/lib");
+ getFilePaths().push_back("/usr/lib/gcc41");
+}
+
+Tool &DragonFly::SelectTool(const Compilation &C, const JobAction &JA,
+ const ActionList &Inputs) const {
+ Action::ActionClass Key;
+ if (getDriver().ShouldUseClangCompiler(C, JA, getTriple()))
+ Key = Action::AnalyzeJobClass;
+ else
+ Key = JA.getKind();
+
+ Tool *&T = Tools[Key];
+ if (!T) {
+ switch (Key) {
+ case Action::AssembleJobClass:
+ T = new tools::dragonfly::Assemble(*this); break;
+ case Action::LinkJobClass:
+ T = new tools::dragonfly::Link(*this); break;
+ default:
+ T = &Generic_GCC::SelectTool(C, JA, Inputs);
+ }
+ }
+
+ return *T;
+}
diff --git a/clang/lib/Driver/ToolChains.h b/clang/lib/Driver/ToolChains.h
new file mode 100644
index 0000000..eaa6be1
--- /dev/null
+++ b/clang/lib/Driver/ToolChains.h
@@ -0,0 +1,596 @@
+//===--- ToolChains.h - ToolChain Implementations ---------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef CLANG_LIB_DRIVER_TOOLCHAINS_H_
+#define CLANG_LIB_DRIVER_TOOLCHAINS_H_
+
+#include "clang/Driver/Action.h"
+#include "clang/Driver/ToolChain.h"
+
+#include "clang/Basic/VersionTuple.h"
+#include "llvm/ADT/DenseMap.h"
+#include "llvm/Support/Compiler.h"
+
+#include "Tools.h"
+
+namespace clang {
+namespace driver {
+namespace toolchains {
+
+/// Generic_GCC - A tool chain using the 'gcc' command to perform
+/// all subcommands; this relies on gcc translating the majority of
+/// command line options.
+class LLVM_LIBRARY_VISIBILITY Generic_GCC : public ToolChain {
+protected:
+ /// \brief Struct to store and manipulate GCC versions.
+ ///
+ /// We rely on assumptions about the form and structure of GCC version
+ /// numbers: they consist of at most three '.'-separated components, and each
+ /// component is a non-negative integer except for the last component. For
+ /// the last component we are very flexible in order to tolerate release
+ /// candidates or 'x' wildcards.
+ ///
+ /// Note that the ordering established among GCCVersions is based on the
+ /// preferred version string to use. For example we prefer versions without
+ /// a hard-coded patch number to those with a hard coded patch number.
+ ///
+ /// Currently this doesn't provide any logic for textual suffixes to patches
+ /// in the way that (for example) Debian's version format does. If that ever
+ /// becomes necessary, it can be added.
+ struct GCCVersion {
+ /// \brief The unparsed text of the version.
+ std::string Text;
+
+ /// \brief The parsed major, minor, and patch numbers.
+ int Major, Minor, Patch;
+
+ /// \brief Any textual suffix on the patch number.
+ std::string PatchSuffix;
+
+ static GCCVersion Parse(StringRef VersionText);
+ bool operator<(const GCCVersion &RHS) const;
+ bool operator>(const GCCVersion &RHS) const { return RHS < *this; }
+ bool operator<=(const GCCVersion &RHS) const { return !(*this > RHS); }
+ bool operator>=(const GCCVersion &RHS) const { return !(*this < RHS); }
+ };
+
+
+ /// \brief This is a class to find a viable GCC installation for Clang to
+ /// use.
+ ///
+ /// This class tries to find a GCC installation on the system, and report
+ /// information about it. It starts from the host information provided to the
+ /// Driver, and has logic for fuzzing that where appropriate.
+ class GCCInstallationDetector {
+
+ bool IsValid;
+ llvm::Triple GCCTriple;
+
+ // FIXME: These might be better as path objects.
+ std::string GCCInstallPath;
+ std::string GCCMultiarchSuffix;
+ std::string GCCParentLibPath;
+
+ GCCVersion Version;
+
+ public:
+ GCCInstallationDetector(const Driver &D, const llvm::Triple &TargetTriple,
+ const ArgList &Args);
+
+ /// \brief Check whether we detected a valid GCC install.
+ bool isValid() const { return IsValid; }
+
+ /// \brief Get the GCC triple for the detected install.
+ const llvm::Triple &getTriple() const { return GCCTriple; }
+
+ /// \brief Get the detected GCC installation path.
+ StringRef getInstallPath() const { return GCCInstallPath; }
+
+ /// \brief Get the detected GCC installation path suffix for multiarch GCCs.
+ StringRef getMultiarchSuffix() const { return GCCMultiarchSuffix; }
+
+ /// \brief Get the detected GCC parent lib path.
+ StringRef getParentLibPath() const { return GCCParentLibPath; }
+
+ /// \brief Get the detected GCC version string.
+ StringRef getVersion() const { return Version.Text; }
+
+ private:
+ static void CollectLibDirsAndTriples(
+ const llvm::Triple &TargetTriple,
+ const llvm::Triple &MultiarchTriple,
+ SmallVectorImpl<StringRef> &LibDirs,
+ SmallVectorImpl<StringRef> &TripleAliases,
+ SmallVectorImpl<StringRef> &MultiarchLibDirs,
+ SmallVectorImpl<StringRef> &MultiarchTripleAliases);
+
+ void ScanLibDirForGCCTriple(llvm::Triple::ArchType TargetArch,
+ const std::string &LibDir,
+ StringRef CandidateTriple,
+ bool NeedsMultiarchSuffix = false);
+ };
+
+ GCCInstallationDetector GCCInstallation;
+
+ mutable llvm::DenseMap<unsigned, Tool*> Tools;
+
+public:
+ Generic_GCC(const Driver &D, const llvm::Triple& Triple, const ArgList &Args);
+ ~Generic_GCC();
+
+ virtual Tool &SelectTool(const Compilation &C, const JobAction &JA,
+ const ActionList &Inputs) const;
+
+ virtual bool IsUnwindTablesDefault() const;
+ virtual const char *GetDefaultRelocationModel() const;
+ virtual const char *GetForcedPicModel() const;
+
+protected:
+ /// \name ToolChain Implementation Helper Functions
+ /// @{
+
+ /// \brief Check whether the target triple's architecture is 64-bits.
+ bool isTarget64Bit() const { return getTriple().isArch64Bit(); }
+
+ /// \brief Check whether the target triple's architecture is 32-bits.
+ bool isTarget32Bit() const { return getTriple().isArch32Bit(); }
+
+ /// @}
+};
+
+class LLVM_LIBRARY_VISIBILITY Hexagon_TC : public ToolChain {
+protected:
+ mutable llvm::DenseMap<unsigned, Tool*> Tools;
+
+public:
+ Hexagon_TC(const Driver &D, const llvm::Triple& Triple);
+ ~Hexagon_TC();
+
+ virtual Tool &SelectTool(const Compilation &C, const JobAction &JA,
+ const ActionList &Inputs) const;
+
+ virtual bool IsUnwindTablesDefault() const;
+ virtual const char *GetDefaultRelocationModel() const;
+ virtual const char *GetForcedPicModel() const;
+};
+
+ /// Darwin - The base Darwin tool chain.
+class LLVM_LIBRARY_VISIBILITY Darwin : public ToolChain {
+public:
+ /// The host version.
+ unsigned DarwinVersion[3];
+
+private:
+ mutable llvm::DenseMap<unsigned, Tool*> Tools;
+
+ /// Whether the information on the target has been initialized.
+ //
+ // FIXME: This should be eliminated. What we want to do is make this part of
+ // the "default target for arguments" selection process, once we get out of
+ // the argument translation business.
+ mutable bool TargetInitialized;
+
+ // FIXME: Remove this once there is a proper way to detect an ARC runtime
+ // for the simulator.
+ public:
+ mutable enum {
+ ARCSimulator_None,
+ ARCSimulator_HasARCRuntime,
+ ARCSimulator_NoARCRuntime
+ } ARCRuntimeForSimulator;
+
+ mutable enum {
+ LibCXXSimulator_None,
+ LibCXXSimulator_NotAvailable,
+ LibCXXSimulator_Available
+ } LibCXXForSimulator;
+
+private:
+ /// Whether we are targeting iPhoneOS target.
+ mutable bool TargetIsIPhoneOS;
+
+ /// Whether we are targeting the iPhoneOS simulator target.
+ mutable bool TargetIsIPhoneOSSimulator;
+
+ /// The OS version we are targeting.
+ mutable VersionTuple TargetVersion;
+
+ /// The default macosx-version-min of this tool chain; empty until
+ /// initialized.
+ std::string MacosxVersionMin;
+
+ bool hasARCRuntime() const;
+ bool hasSubscriptingRuntime() const;
+
+private:
+ void AddDeploymentTarget(DerivedArgList &Args) const;
+
+public:
+ Darwin(const Driver &D, const llvm::Triple& Triple);
+ ~Darwin();
+
+ std::string ComputeEffectiveClangTriple(const ArgList &Args,
+ types::ID InputType) const;
+
+ /// @name Darwin Specific Toolchain API
+ /// {
+
+ // FIXME: Eliminate these ...Target functions and derive separate tool chains
+ // for these targets and put version in constructor.
+ void setTarget(bool IsIPhoneOS, unsigned Major, unsigned Minor,
+ unsigned Micro, bool IsIOSSim) const {
+ assert((!IsIOSSim || IsIPhoneOS) && "Unexpected deployment target!");
+
+ // FIXME: For now, allow reinitialization as long as values don't
+ // change. This will go away when we move away from argument translation.
+ if (TargetInitialized && TargetIsIPhoneOS == IsIPhoneOS &&
+ TargetIsIPhoneOSSimulator == IsIOSSim &&
+ TargetVersion == VersionTuple(Major, Minor, Micro))
+ return;
+
+ assert(!TargetInitialized && "Target already initialized!");
+ TargetInitialized = true;
+ TargetIsIPhoneOS = IsIPhoneOS;
+ TargetIsIPhoneOSSimulator = IsIOSSim;
+ TargetVersion = VersionTuple(Major, Minor, Micro);
+ }
+
+ bool isTargetIPhoneOS() const {
+ assert(TargetInitialized && "Target not initialized!");
+ return TargetIsIPhoneOS;
+ }
+
+ bool isTargetIOSSimulator() const {
+ assert(TargetInitialized && "Target not initialized!");
+ return TargetIsIPhoneOSSimulator;
+ }
+
+ bool isTargetMacOS() const {
+ return !isTargetIOSSimulator() &&
+ !isTargetIPhoneOS() &&
+ ARCRuntimeForSimulator == ARCSimulator_None;
+ }
+
+ bool isTargetInitialized() const { return TargetInitialized; }
+
+ VersionTuple getTargetVersion() const {
+ assert(TargetInitialized && "Target not initialized!");
+ return TargetVersion;
+ }
+
+ /// getDarwinArchName - Get the "Darwin" arch name for a particular compiler
+ /// invocation. For example, Darwin treats different ARM variations as
+ /// distinct architectures.
+ StringRef getDarwinArchName(const ArgList &Args) const;
+
+ bool isIPhoneOSVersionLT(unsigned V0, unsigned V1=0, unsigned V2=0) const {
+ assert(isTargetIPhoneOS() && "Unexpected call for OS X target!");
+ return TargetVersion < VersionTuple(V0, V1, V2);
+ }
+
+ bool isMacosxVersionLT(unsigned V0, unsigned V1=0, unsigned V2=0) const {
+ assert(!isTargetIPhoneOS() && "Unexpected call for iPhoneOS target!");
+ return TargetVersion < VersionTuple(V0, V1, V2);
+ }
+
+ /// AddLinkSearchPathArgs - Add the linker search paths to \arg CmdArgs.
+ ///
+ /// \param Args - The input argument list.
+ /// \param CmdArgs [out] - The command argument list to append the paths
+ /// (prefixed by -L) to.
+ virtual void AddLinkSearchPathArgs(const ArgList &Args,
+ ArgStringList &CmdArgs) const = 0;
+
+ /// AddLinkARCArgs - Add the linker arguments to link the ARC runtime library.
+ virtual void AddLinkARCArgs(const ArgList &Args,
+ ArgStringList &CmdArgs) const = 0;
+
+ /// AddLinkRuntimeLibArgs - Add the linker arguments to link the compiler
+ /// runtime library.
+ virtual void AddLinkRuntimeLibArgs(const ArgList &Args,
+ ArgStringList &CmdArgs) const = 0;
+
+ /// }
+ /// @name ToolChain Implementation
+ /// {
+
+ virtual types::ID LookupTypeForExtension(const char *Ext) const;
+
+ virtual bool HasNativeLLVMSupport() const;
+
+ virtual void configureObjCRuntime(ObjCRuntime &runtime) const;
+ virtual bool hasBlocksRuntime() const;
+
+ virtual DerivedArgList *TranslateArgs(const DerivedArgList &Args,
+ const char *BoundArch) const;
+
+ virtual Tool &SelectTool(const Compilation &C, const JobAction &JA,
+ const ActionList &Inputs) const;
+
+ virtual bool IsBlocksDefault() const {
+ // Always allow blocks on Darwin; users interested in versioning are
+ // expected to use /usr/include/Blocks.h.
+ return true;
+ }
+ virtual bool IsIntegratedAssemblerDefault() const {
+#ifdef DISABLE_DEFAULT_INTEGRATED_ASSEMBLER
+ return false;
+#else
+ // Default integrated assembler to on for Darwin.
+ return true;
+#endif
+ }
+ virtual bool IsStrictAliasingDefault() const {
+#ifdef DISABLE_DEFAULT_STRICT_ALIASING
+ return false;
+#else
+ return ToolChain::IsStrictAliasingDefault();
+#endif
+ }
+
+ virtual bool IsObjCDefaultSynthPropertiesDefault() const {
+ return true;
+ }
+
+ virtual bool IsObjCNonFragileABIDefault() const {
+ // Non-fragile ABI is default for everything but i386.
+ return getTriple().getArch() != llvm::Triple::x86;
+ }
+ virtual bool IsObjCLegacyDispatchDefault() const {
+ // This is only used with the non-fragile ABI.
+
+ // Legacy dispatch is used everywhere except on x86_64.
+ return getTriple().getArch() != llvm::Triple::x86_64;
+ }
+ virtual bool UseObjCMixedDispatch() const {
+ // This is only used with the non-fragile ABI and non-legacy dispatch.
+
+ // Mixed dispatch is used everywhere except OS X before 10.6.
+ return !(!isTargetIPhoneOS() && isMacosxVersionLT(10, 6));
+ }
+ virtual bool IsUnwindTablesDefault() const;
+ virtual unsigned GetDefaultStackProtectorLevel(bool KernelOrKext) const {
+ // Stack protectors default to on for user code on 10.5,
+ // and for everything in 10.6 and beyond
+ return isTargetIPhoneOS() ||
+ (!isMacosxVersionLT(10, 6) ||
+ (!isMacosxVersionLT(10, 5) && !KernelOrKext));
+ }
+ virtual RuntimeLibType GetDefaultRuntimeLibType() const {
+ return ToolChain::RLT_CompilerRT;
+ }
+ virtual const char *GetDefaultRelocationModel() const;
+ virtual const char *GetForcedPicModel() const;
+
+ virtual bool SupportsProfiling() const;
+
+ virtual bool SupportsObjCGC() const;
+
+ virtual bool SupportsObjCARC() const;
+
+ virtual bool UseDwarfDebugFlags() const;
+
+ virtual bool UseSjLjExceptions() const;
+
+ /// }
+};
+
+/// DarwinClang - The Darwin toolchain used by Clang.
+class LLVM_LIBRARY_VISIBILITY DarwinClang : public Darwin {
+private:
+ void AddGCCLibexecPath(unsigned darwinVersion);
+
+public:
+ DarwinClang(const Driver &D, const llvm::Triple& Triple);
+
+ /// @name Darwin ToolChain Implementation
+ /// {
+
+ virtual void AddLinkSearchPathArgs(const ArgList &Args,
+ ArgStringList &CmdArgs) const;
+
+ virtual void AddLinkRuntimeLibArgs(const ArgList &Args,
+ ArgStringList &CmdArgs) const;
+ void AddLinkRuntimeLib(const ArgList &Args, ArgStringList &CmdArgs,
+ const char *DarwinStaticLib) const;
+
+ virtual void AddCXXStdlibLibArgs(const ArgList &Args,
+ ArgStringList &CmdArgs) const;
+
+ virtual void AddCCKextLibArgs(const ArgList &Args,
+ ArgStringList &CmdArgs) const;
+
+ virtual void AddLinkARCArgs(const ArgList &Args,
+ ArgStringList &CmdArgs) const;
+ /// }
+};
+
+/// Darwin_Generic_GCC - Generic Darwin tool chain using gcc.
+class LLVM_LIBRARY_VISIBILITY Darwin_Generic_GCC : public Generic_GCC {
+public:
+ Darwin_Generic_GCC(const Driver &D, const llvm::Triple& Triple, const ArgList &Args)
+ : Generic_GCC(D, Triple, Args) {}
+
+ std::string ComputeEffectiveClangTriple(const ArgList &Args,
+ types::ID InputType) const;
+
+ virtual const char *GetDefaultRelocationModel() const { return "pic"; }
+};
+
+class LLVM_LIBRARY_VISIBILITY Generic_ELF : public Generic_GCC {
+ virtual void anchor();
+public:
+ Generic_ELF(const Driver &D, const llvm::Triple& Triple, const ArgList &Args)
+ : Generic_GCC(D, Triple, Args) {}
+
+ virtual bool IsIntegratedAssemblerDefault() const {
+ // Default integrated assembler to on for x86.
+ return (getTriple().getArch() == llvm::Triple::x86 ||
+ getTriple().getArch() == llvm::Triple::x86_64);
+ }
+};
+
+class LLVM_LIBRARY_VISIBILITY AuroraUX : public Generic_GCC {
+public:
+ AuroraUX(const Driver &D, const llvm::Triple& Triple, const ArgList &Args);
+
+ virtual Tool &SelectTool(const Compilation &C, const JobAction &JA,
+ const ActionList &Inputs) const;
+};
+
+class LLVM_LIBRARY_VISIBILITY Solaris : public Generic_GCC {
+public:
+ Solaris(const Driver &D, const llvm::Triple& Triple, const ArgList &Args);
+
+ virtual Tool &SelectTool(const Compilation &C, const JobAction &JA,
+ const ActionList &Inputs) const;
+
+ virtual bool IsIntegratedAssemblerDefault() const { return true; }
+};
+
+
+class LLVM_LIBRARY_VISIBILITY OpenBSD : public Generic_ELF {
+public:
+ OpenBSD(const Driver &D, const llvm::Triple& Triple, const ArgList &Args);
+
+ virtual bool IsObjCNonFragileABIDefault() const { return true; }
+ virtual bool IsObjCLegacyDispatchDefault() const {
+ llvm::Triple::ArchType Arch = getTriple().getArch();
+ if (Arch == llvm::Triple::arm ||
+ Arch == llvm::Triple::x86 ||
+ Arch == llvm::Triple::x86_64)
+ return false;
+ return true;
+ }
+
+ virtual Tool &SelectTool(const Compilation &C, const JobAction &JA,
+ const ActionList &Inputs) const;
+};
+
+class LLVM_LIBRARY_VISIBILITY FreeBSD : public Generic_ELF {
+public:
+ FreeBSD(const Driver &D, const llvm::Triple& Triple, const ArgList &Args);
+
+ virtual bool IsObjCNonFragileABIDefault() const { return true; }
+ virtual bool IsObjCLegacyDispatchDefault() const {
+ llvm::Triple::ArchType Arch = getTriple().getArch();
+ if (Arch == llvm::Triple::arm ||
+ Arch == llvm::Triple::x86 ||
+ Arch == llvm::Triple::x86_64)
+ return false;
+ return true;
+ }
+
+ virtual Tool &SelectTool(const Compilation &C, const JobAction &JA,
+ const ActionList &Inputs) const;
+};
+
+class LLVM_LIBRARY_VISIBILITY NetBSD : public Generic_ELF {
+public:
+ NetBSD(const Driver &D, const llvm::Triple& Triple, const ArgList &Args);
+
+ virtual bool IsObjCNonFragileABIDefault() const { return true; }
+ virtual bool IsObjCLegacyDispatchDefault() const {
+ llvm::Triple::ArchType Arch = getTriple().getArch();
+ if (Arch == llvm::Triple::arm ||
+ Arch == llvm::Triple::x86 ||
+ Arch == llvm::Triple::x86_64)
+ return false;
+ return true;
+ }
+
+ virtual Tool &SelectTool(const Compilation &C, const JobAction &JA,
+ const ActionList &Inputs) const;
+};
+
+class LLVM_LIBRARY_VISIBILITY Minix : public Generic_ELF {
+public:
+ Minix(const Driver &D, const llvm::Triple& Triple, const ArgList &Args);
+
+ virtual Tool &SelectTool(const Compilation &C, const JobAction &JA,
+ const ActionList &Inputs) const;
+};
+
+class LLVM_LIBRARY_VISIBILITY DragonFly : public Generic_ELF {
+public:
+ DragonFly(const Driver &D, const llvm::Triple& Triple, const ArgList &Args);
+
+ virtual Tool &SelectTool(const Compilation &C, const JobAction &JA,
+ const ActionList &Inputs) const;
+};
+
+class LLVM_LIBRARY_VISIBILITY Linux : public Generic_ELF {
+public:
+ Linux(const Driver &D, const llvm::Triple& Triple, const ArgList &Args);
+
+ virtual bool HasNativeLLVMSupport() const;
+
+ virtual Tool &SelectTool(const Compilation &C, const JobAction &JA,
+ const ActionList &Inputs) const;
+
+ virtual void AddClangSystemIncludeArgs(const ArgList &DriverArgs,
+ ArgStringList &CC1Args) const;
+ virtual void AddClangCXXStdlibIncludeArgs(const ArgList &DriverArgs,
+ ArgStringList &CC1Args) const;
+
+ std::string Linker;
+ std::vector<std::string> ExtraOpts;
+
+private:
+ static bool addLibStdCXXIncludePaths(Twine Base, Twine TargetArchDir,
+ const ArgList &DriverArgs,
+ ArgStringList &CC1Args);
+};
+
+
+/// TCEToolChain - A tool chain using the llvm bitcode tools to perform
+/// all subcommands. See http://tce.cs.tut.fi for our peculiar target.
+class LLVM_LIBRARY_VISIBILITY TCEToolChain : public ToolChain {
+public:
+ TCEToolChain(const Driver &D, const llvm::Triple& Triple);
+ ~TCEToolChain();
+
+ virtual Tool &SelectTool(const Compilation &C, const JobAction &JA,
+ const ActionList &Inputs) const;
+ bool IsMathErrnoDefault() const;
+ bool IsUnwindTablesDefault() const;
+ const char* GetDefaultRelocationModel() const;
+ const char* GetForcedPicModel() const;
+
+private:
+ mutable llvm::DenseMap<unsigned, Tool*> Tools;
+
+};
+
+class LLVM_LIBRARY_VISIBILITY Windows : public ToolChain {
+ mutable llvm::DenseMap<unsigned, Tool*> Tools;
+
+public:
+ Windows(const Driver &D, const llvm::Triple& Triple);
+
+ virtual Tool &SelectTool(const Compilation &C, const JobAction &JA,
+ const ActionList &Inputs) const;
+
+ virtual bool IsIntegratedAssemblerDefault() const;
+ virtual bool IsUnwindTablesDefault() const;
+ virtual const char *GetDefaultRelocationModel() const;
+ virtual const char *GetForcedPicModel() const;
+
+ virtual void AddClangSystemIncludeArgs(const ArgList &DriverArgs,
+ ArgStringList &CC1Args) const;
+ virtual void AddClangCXXStdlibIncludeArgs(const ArgList &DriverArgs,
+ ArgStringList &CC1Args) const;
+
+};
+
+} // end namespace toolchains
+} // end namespace driver
+} // end namespace clang
+
+#endif
diff --git a/clang/lib/Driver/Tools.cpp b/clang/lib/Driver/Tools.cpp
new file mode 100644
index 0000000..47b5294
--- /dev/null
+++ b/clang/lib/Driver/Tools.cpp
@@ -0,0 +1,5589 @@
+//===--- Tools.cpp - Tools Implementations --------------------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "Tools.h"
+
+#include "clang/Driver/Action.h"
+#include "clang/Driver/Arg.h"
+#include "clang/Driver/ArgList.h"
+#include "clang/Driver/Driver.h"
+#include "clang/Driver/DriverDiagnostic.h"
+#include "clang/Driver/Compilation.h"
+#include "clang/Driver/Job.h"
+#include "clang/Driver/ObjCRuntime.h"
+#include "clang/Driver/Option.h"
+#include "clang/Driver/Options.h"
+#include "clang/Driver/ToolChain.h"
+#include "clang/Driver/Util.h"
+
+#include "llvm/ADT/SmallString.h"
+#include "llvm/ADT/StringSwitch.h"
+#include "llvm/ADT/Twine.h"
+#include "llvm/Support/FileSystem.h"
+#include "llvm/Support/Format.h"
+#include "llvm/Support/raw_ostream.h"
+#include "llvm/Support/Host.h"
+#include "llvm/Support/Process.h"
+#include "llvm/Support/ErrorHandling.h"
+
+#include "InputInfo.h"
+#include "ToolChains.h"
+
+using namespace clang::driver;
+using namespace clang::driver::tools;
+using namespace clang;
+
+/// CheckPreprocessingOptions - Perform some validation of preprocessing
+/// arguments that is shared with gcc.
+static void CheckPreprocessingOptions(const Driver &D, const ArgList &Args) {
+ if (Arg *A = Args.getLastArg(options::OPT_C, options::OPT_CC))
+ if (!Args.hasArg(options::OPT_E) && !D.CCCIsCPP)
+ D.Diag(diag::err_drv_argument_only_allowed_with)
+ << A->getAsString(Args) << "-E";
+}
+
+/// CheckCodeGenerationOptions - Perform some validation of code generation
+/// arguments that is shared with gcc.
+static void CheckCodeGenerationOptions(const Driver &D, const ArgList &Args) {
+ // In gcc, only ARM checks this, but it seems reasonable to check universally.
+ if (Args.hasArg(options::OPT_static))
+ if (const Arg *A = Args.getLastArg(options::OPT_dynamic,
+ options::OPT_mdynamic_no_pic))
+ D.Diag(diag::err_drv_argument_not_allowed_with)
+ << A->getAsString(Args) << "-static";
+}
+
+// Quote target names for inclusion in GNU Make dependency files.
+// Only the characters '$', '#', ' ', '\t' are quoted.
+static void QuoteTarget(StringRef Target,
+ SmallVectorImpl<char> &Res) {
+ for (unsigned i = 0, e = Target.size(); i != e; ++i) {
+ switch (Target[i]) {
+ case ' ':
+ case '\t':
+ // Escape the preceding backslashes
+ for (int j = i - 1; j >= 0 && Target[j] == '\\'; --j)
+ Res.push_back('\\');
+
+ // Escape the space/tab
+ Res.push_back('\\');
+ break;
+ case '$':
+ Res.push_back('$');
+ break;
+ case '#':
+ Res.push_back('\\');
+ break;
+ default:
+ break;
+ }
+
+ Res.push_back(Target[i]);
+ }
+}
+
+static void addDirectoryList(const ArgList &Args,
+ ArgStringList &CmdArgs,
+ const char *ArgName,
+ const char *EnvVar) {
+ const char *DirList = ::getenv(EnvVar);
+ if (!DirList)
+ return; // Nothing to do.
+
+ StringRef Dirs(DirList);
+ if (Dirs.empty()) // Empty string should not add '.'.
+ return;
+
+ StringRef::size_type Delim;
+ while ((Delim = Dirs.find(llvm::sys::PathSeparator)) != StringRef::npos) {
+ if (Delim == 0) { // Leading colon.
+ CmdArgs.push_back(ArgName);
+ CmdArgs.push_back(".");
+ } else {
+ CmdArgs.push_back(ArgName);
+ CmdArgs.push_back(Args.MakeArgString(Dirs.substr(0, Delim)));
+ }
+ Dirs = Dirs.substr(Delim + 1);
+ }
+
+ if (Dirs.empty()) { // Trailing colon.
+ CmdArgs.push_back(ArgName);
+ CmdArgs.push_back(".");
+ } else { // Add the last path.
+ CmdArgs.push_back(ArgName);
+ CmdArgs.push_back(Args.MakeArgString(Dirs));
+ }
+}
+
+static void AddLinkerInputs(const ToolChain &TC,
+ const InputInfoList &Inputs, const ArgList &Args,
+ ArgStringList &CmdArgs) {
+ const Driver &D = TC.getDriver();
+
+ // Add extra linker input arguments which are not treated as inputs
+ // (constructed via -Xarch_).
+ Args.AddAllArgValues(CmdArgs, options::OPT_Zlinker_input);
+
+ for (InputInfoList::const_iterator
+ it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) {
+ const InputInfo &II = *it;
+
+ if (!TC.HasNativeLLVMSupport()) {
+ // Don't try to pass LLVM inputs unless we have native support.
+ if (II.getType() == types::TY_LLVM_IR ||
+ II.getType() == types::TY_LTO_IR ||
+ II.getType() == types::TY_LLVM_BC ||
+ II.getType() == types::TY_LTO_BC)
+ D.Diag(diag::err_drv_no_linker_llvm_support)
+ << TC.getTripleString();
+ }
+
+ // Add filenames immediately.
+ if (II.isFilename()) {
+ CmdArgs.push_back(II.getFilename());
+ continue;
+ }
+
+ // Otherwise, this is a linker input argument.
+ const Arg &A = II.getInputArg();
+
+ // Handle reserved library options.
+ if (A.getOption().matches(options::OPT_Z_reserved_lib_stdcxx)) {
+ TC.AddCXXStdlibLibArgs(Args, CmdArgs);
+ } else if (A.getOption().matches(options::OPT_Z_reserved_lib_cckext)) {
+ TC.AddCCKextLibArgs(Args, CmdArgs);
+ } else
+ A.renderAsInput(Args, CmdArgs);
+ }
+
+ // LIBRARY_PATH - included following the user specified library paths.
+ addDirectoryList(Args, CmdArgs, "-L", "LIBRARY_PATH");
+}
+
+/// \brief Determine whether Objective-C automated reference counting is
+/// enabled.
+static bool isObjCAutoRefCount(const ArgList &Args) {
+ return Args.hasFlag(options::OPT_fobjc_arc, options::OPT_fno_objc_arc, false);
+}
+
+/// \brief Determine whether we are linking the ObjC runtime.
+static bool isObjCRuntimeLinked(const ArgList &Args) {
+ if (isObjCAutoRefCount(Args))
+ return true;
+ return Args.hasArg(options::OPT_fobjc_link_runtime);
+}
+
+static void addProfileRT(const ToolChain &TC, const ArgList &Args,
+ ArgStringList &CmdArgs,
+ llvm::Triple Triple) {
+ if (!(Args.hasArg(options::OPT_fprofile_arcs) ||
+ Args.hasArg(options::OPT_fprofile_generate) ||
+ Args.hasArg(options::OPT_fcreate_profile) ||
+ Args.hasArg(options::OPT_coverage)))
+ return;
+
+ // GCC links libgcov.a by adding -L<inst>/gcc/lib/gcc/<triple>/<ver> -lgcov to
+ // the link line. We cannot do the same thing because unlike gcov there is a
+ // libprofile_rt.so. We used to use the -l:libprofile_rt.a syntax, but that is
+ // not supported by old linkers.
+ std::string ProfileRT =
+ std::string(TC.getDriver().Dir) + "/../lib/libprofile_rt.a";
+
+ CmdArgs.push_back(Args.MakeArgString(ProfileRT));
+}
+
+void Clang::AddPreprocessingOptions(Compilation &C,
+ const Driver &D,
+ const ArgList &Args,
+ ArgStringList &CmdArgs,
+ const InputInfo &Output,
+ const InputInfoList &Inputs) const {
+ Arg *A;
+
+ CheckPreprocessingOptions(D, Args);
+
+ Args.AddLastArg(CmdArgs, options::OPT_C);
+ Args.AddLastArg(CmdArgs, options::OPT_CC);
+
+ // Handle dependency file generation.
+ if ((A = Args.getLastArg(options::OPT_M, options::OPT_MM)) ||
+ (A = Args.getLastArg(options::OPT_MD)) ||
+ (A = Args.getLastArg(options::OPT_MMD))) {
+ // Determine the output location.
+ const char *DepFile;
+ if (Output.getType() == types::TY_Dependencies) {
+ DepFile = Output.getFilename();
+ } else if (Arg *MF = Args.getLastArg(options::OPT_MF)) {
+ DepFile = MF->getValue(Args);
+ C.addFailureResultFile(DepFile);
+ } else if (A->getOption().matches(options::OPT_M) ||
+ A->getOption().matches(options::OPT_MM)) {
+ DepFile = "-";
+ } else {
+ DepFile = darwin::CC1::getDependencyFileName(Args, Inputs);
+ C.addFailureResultFile(DepFile);
+ }
+ CmdArgs.push_back("-dependency-file");
+ CmdArgs.push_back(DepFile);
+
+ // Add a default target if one wasn't specified.
+ if (!Args.hasArg(options::OPT_MT) && !Args.hasArg(options::OPT_MQ)) {
+ const char *DepTarget;
+
+ // If user provided -o, that is the dependency target, except
+ // when we are only generating a dependency file.
+ Arg *OutputOpt = Args.getLastArg(options::OPT_o);
+ if (OutputOpt && Output.getType() != types::TY_Dependencies) {
+ DepTarget = OutputOpt->getValue(Args);
+ } else {
+ // Otherwise derive from the base input.
+ //
+ // FIXME: This should use the computed output file location.
+ SmallString<128> P(Inputs[0].getBaseInput());
+ llvm::sys::path::replace_extension(P, "o");
+ DepTarget = Args.MakeArgString(llvm::sys::path::filename(P));
+ }
+
+ CmdArgs.push_back("-MT");
+ SmallString<128> Quoted;
+ QuoteTarget(DepTarget, Quoted);
+ CmdArgs.push_back(Args.MakeArgString(Quoted));
+ }
+
+ if (A->getOption().matches(options::OPT_M) ||
+ A->getOption().matches(options::OPT_MD))
+ CmdArgs.push_back("-sys-header-deps");
+ }
+
+ if (Args.hasArg(options::OPT_MG)) {
+ if (!A || A->getOption().matches(options::OPT_MD) ||
+ A->getOption().matches(options::OPT_MMD))
+ D.Diag(diag::err_drv_mg_requires_m_or_mm);
+ CmdArgs.push_back("-MG");
+ }
+
+ Args.AddLastArg(CmdArgs, options::OPT_MP);
+
+ // Convert all -MQ <target> args to -MT <quoted target>
+ for (arg_iterator it = Args.filtered_begin(options::OPT_MT,
+ options::OPT_MQ),
+ ie = Args.filtered_end(); it != ie; ++it) {
+ const Arg *A = *it;
+ A->claim();
+
+ if (A->getOption().matches(options::OPT_MQ)) {
+ CmdArgs.push_back("-MT");
+ SmallString<128> Quoted;
+ QuoteTarget(A->getValue(Args), Quoted);
+ CmdArgs.push_back(Args.MakeArgString(Quoted));
+
+ // -MT flag - no change
+ } else {
+ A->render(Args, CmdArgs);
+ }
+ }
+
+ // Add -i* options, and automatically translate to
+ // -include-pch/-include-pth for transparent PCH support. It's
+ // wonky, but we include looking for .gch so we can support seamless
+ // replacement into a build system already set up to be generating
+ // .gch files.
+ bool RenderedImplicitInclude = false;
+ for (arg_iterator it = Args.filtered_begin(options::OPT_clang_i_Group),
+ ie = Args.filtered_end(); it != ie; ++it) {
+ const Arg *A = it;
+
+ if (A->getOption().matches(options::OPT_include)) {
+ bool IsFirstImplicitInclude = !RenderedImplicitInclude;
+ RenderedImplicitInclude = true;
+
+ // Use PCH if the user requested it.
+ bool UsePCH = D.CCCUsePCH;
+
+ bool FoundPTH = false;
+ bool FoundPCH = false;
+ llvm::sys::Path P(A->getValue(Args));
+ bool Exists;
+ if (UsePCH) {
+ P.appendSuffix("pch");
+ if (!llvm::sys::fs::exists(P.str(), Exists) && Exists)
+ FoundPCH = true;
+ else
+ P.eraseSuffix();
+ }
+
+ if (!FoundPCH) {
+ P.appendSuffix("pth");
+ if (!llvm::sys::fs::exists(P.str(), Exists) && Exists)
+ FoundPTH = true;
+ else
+ P.eraseSuffix();
+ }
+
+ if (!FoundPCH && !FoundPTH) {
+ P.appendSuffix("gch");
+ if (!llvm::sys::fs::exists(P.str(), Exists) && Exists) {
+ FoundPCH = UsePCH;
+ FoundPTH = !UsePCH;
+ }
+ else
+ P.eraseSuffix();
+ }
+
+ if (FoundPCH || FoundPTH) {
+ if (IsFirstImplicitInclude) {
+ A->claim();
+ if (UsePCH)
+ CmdArgs.push_back("-include-pch");
+ else
+ CmdArgs.push_back("-include-pth");
+ CmdArgs.push_back(Args.MakeArgString(P.str()));
+ continue;
+ } else {
+ // Ignore the PCH if not first on command line and emit warning.
+ D.Diag(diag::warn_drv_pch_not_first_include)
+ << P.str() << A->getAsString(Args);
+ }
+ }
+ }
+
+ // Not translated, render as usual.
+ A->claim();
+ A->render(Args, CmdArgs);
+ }
+
+ Args.AddAllArgs(CmdArgs, options::OPT_D, options::OPT_U);
+ Args.AddAllArgs(CmdArgs, options::OPT_I_Group, options::OPT_F,
+ options::OPT_index_header_map);
+
+ // Add -Wp, and -Xassembler if using the preprocessor.
+
+ // FIXME: There is a very unfortunate problem here, some troubled
+ // souls abuse -Wp, to pass preprocessor options in gcc syntax. To
+ // really support that we would have to parse and then translate
+ // those options. :(
+ Args.AddAllArgValues(CmdArgs, options::OPT_Wp_COMMA,
+ options::OPT_Xpreprocessor);
+
+ // -I- is a deprecated GCC feature, reject it.
+ if (Arg *A = Args.getLastArg(options::OPT_I_))
+ D.Diag(diag::err_drv_I_dash_not_supported) << A->getAsString(Args);
+
+ // If we have a --sysroot, and don't have an explicit -isysroot flag, add an
+ // -isysroot to the CC1 invocation.
+ StringRef sysroot = C.getSysRoot();
+ if (sysroot != "") {
+ if (!Args.hasArg(options::OPT_isysroot)) {
+ CmdArgs.push_back("-isysroot");
+ CmdArgs.push_back(C.getArgs().MakeArgString(sysroot));
+ }
+ }
+
+ // If a module path was provided, pass it along. Otherwise, use a temporary
+ // directory.
+ if (Arg *A = Args.getLastArg(options::OPT_fmodule_cache_path)) {
+ A->claim();
+ A->render(Args, CmdArgs);
+ } else {
+ SmallString<128> DefaultModuleCache;
+ llvm::sys::path::system_temp_directory(/*erasedOnReboot=*/false,
+ DefaultModuleCache);
+ llvm::sys::path::append(DefaultModuleCache, "clang-module-cache");
+ CmdArgs.push_back("-fmodule-cache-path");
+ CmdArgs.push_back(Args.MakeArgString(DefaultModuleCache));
+ }
+
+ // Parse additional include paths from environment variables.
+ // FIXME: We should probably sink the logic for handling these from the
+ // frontend into the driver. It will allow deleting 4 otherwise unused flags.
+ // CPATH - included following the user specified includes (but prior to
+ // builtin and standard includes).
+ addDirectoryList(Args, CmdArgs, "-I", "CPATH");
+ // C_INCLUDE_PATH - system includes enabled when compiling C.
+ addDirectoryList(Args, CmdArgs, "-c-isystem", "C_INCLUDE_PATH");
+ // CPLUS_INCLUDE_PATH - system includes enabled when compiling C++.
+ addDirectoryList(Args, CmdArgs, "-cxx-isystem", "CPLUS_INCLUDE_PATH");
+ // OBJC_INCLUDE_PATH - system includes enabled when compiling ObjC.
+ addDirectoryList(Args, CmdArgs, "-objc-isystem", "OBJC_INCLUDE_PATH");
+ // OBJCPLUS_INCLUDE_PATH - system includes enabled when compiling ObjC++.
+ addDirectoryList(Args, CmdArgs, "-objcxx-isystem", "OBJCPLUS_INCLUDE_PATH");
+
+ // Add C++ include arguments, if needed.
+ if (types::isCXX(Inputs[0].getType()))
+ getToolChain().AddClangCXXStdlibIncludeArgs(Args, CmdArgs);
+
+ // Add system include arguments.
+ getToolChain().AddClangSystemIncludeArgs(Args, CmdArgs);
+}
+
+/// getARMTargetCPU - Get the (LLVM) name of the ARM cpu we are targeting.
+//
+// FIXME: tblgen this.
+static const char *getARMTargetCPU(const ArgList &Args,
+ const llvm::Triple &Triple) {
+ // FIXME: Warn on inconsistent use of -mcpu and -march.
+
+ // If we have -mcpu=, use that.
+ if (Arg *A = Args.getLastArg(options::OPT_mcpu_EQ))
+ return A->getValue(Args);
+
+ StringRef MArch;
+ if (Arg *A = Args.getLastArg(options::OPT_march_EQ)) {
+ // Otherwise, if we have -march= choose the base CPU for that arch.
+ MArch = A->getValue(Args);
+ } else {
+ // Otherwise, use the Arch from the triple.
+ MArch = Triple.getArchName();
+ }
+
+ return llvm::StringSwitch<const char *>(MArch)
+ .Cases("armv2", "armv2a","arm2")
+ .Case("armv3", "arm6")
+ .Case("armv3m", "arm7m")
+ .Cases("armv4", "armv4t", "arm7tdmi")
+ .Cases("armv5", "armv5t", "arm10tdmi")
+ .Cases("armv5e", "armv5te", "arm1026ejs")
+ .Case("armv5tej", "arm926ej-s")
+ .Cases("armv6", "armv6k", "arm1136jf-s")
+ .Case("armv6j", "arm1136j-s")
+ .Cases("armv6z", "armv6zk", "arm1176jzf-s")
+ .Case("armv6t2", "arm1156t2-s")
+ .Cases("armv7", "armv7a", "armv7-a", "cortex-a8")
+ .Cases("armv7r", "armv7-r", "cortex-r4")
+ .Cases("armv7m", "armv7-m", "cortex-m3")
+ .Case("ep9312", "ep9312")
+ .Case("iwmmxt", "iwmmxt")
+ .Case("xscale", "xscale")
+ .Cases("armv6m", "armv6-m", "cortex-m0")
+ // If all else failed, return the most base CPU LLVM supports.
+ .Default("arm7tdmi");
+}
+
+/// getLLVMArchSuffixForARM - Get the LLVM arch name to use for a particular
+/// CPU.
+//
+// FIXME: This is redundant with -mcpu, why does LLVM use this.
+// FIXME: tblgen this, or kill it!
+static const char *getLLVMArchSuffixForARM(StringRef CPU) {
+ return llvm::StringSwitch<const char *>(CPU)
+ .Cases("arm7tdmi", "arm7tdmi-s", "arm710t", "v4t")
+ .Cases("arm720t", "arm9", "arm9tdmi", "v4t")
+ .Cases("arm920", "arm920t", "arm922t", "v4t")
+ .Cases("arm940t", "ep9312","v4t")
+ .Cases("arm10tdmi", "arm1020t", "v5")
+ .Cases("arm9e", "arm926ej-s", "arm946e-s", "v5e")
+ .Cases("arm966e-s", "arm968e-s", "arm10e", "v5e")
+ .Cases("arm1020e", "arm1022e", "xscale", "iwmmxt", "v5e")
+ .Cases("arm1136j-s", "arm1136jf-s", "arm1176jz-s", "v6")
+ .Cases("arm1176jzf-s", "mpcorenovfp", "mpcore", "v6")
+ .Cases("arm1156t2-s", "arm1156t2f-s", "v6t2")
+ .Cases("cortex-a8", "cortex-a9", "v7")
+ .Case("cortex-m3", "v7m")
+ .Case("cortex-m4", "v7m")
+ .Case("cortex-m0", "v6m")
+ .Default("");
+}
+
+// FIXME: Move to target hook.
+static bool isSignedCharDefault(const llvm::Triple &Triple) {
+ switch (Triple.getArch()) {
+ default:
+ return true;
+
+ case llvm::Triple::arm:
+ case llvm::Triple::ppc:
+ case llvm::Triple::ppc64:
+ if (Triple.isOSDarwin())
+ return true;
+ return false;
+ }
+}
+
+// Handle -mfpu=.
+//
+// FIXME: Centralize feature selection, defaulting shouldn't be also in the
+// frontend target.
+static void addFPUArgs(const Driver &D, const Arg *A, const ArgList &Args,
+ ArgStringList &CmdArgs) {
+ StringRef FPU = A->getValue(Args);
+
+ // Set the target features based on the FPU.
+ if (FPU == "fpa" || FPU == "fpe2" || FPU == "fpe3" || FPU == "maverick") {
+ // Disable any default FPU support.
+ CmdArgs.push_back("-target-feature");
+ CmdArgs.push_back("-vfp2");
+ CmdArgs.push_back("-target-feature");
+ CmdArgs.push_back("-vfp3");
+ CmdArgs.push_back("-target-feature");
+ CmdArgs.push_back("-neon");
+ } else if (FPU == "vfp3-d16" || FPU == "vfpv3-d16") {
+ CmdArgs.push_back("-target-feature");
+ CmdArgs.push_back("+vfp3");
+ CmdArgs.push_back("-target-feature");
+ CmdArgs.push_back("+d16");
+ CmdArgs.push_back("-target-feature");
+ CmdArgs.push_back("-neon");
+ } else if (FPU == "vfp") {
+ CmdArgs.push_back("-target-feature");
+ CmdArgs.push_back("+vfp2");
+ CmdArgs.push_back("-target-feature");
+ CmdArgs.push_back("-neon");
+ } else if (FPU == "vfp3" || FPU == "vfpv3") {
+ CmdArgs.push_back("-target-feature");
+ CmdArgs.push_back("+vfp3");
+ CmdArgs.push_back("-target-feature");
+ CmdArgs.push_back("-neon");
+ } else if (FPU == "neon") {
+ CmdArgs.push_back("-target-feature");
+ CmdArgs.push_back("+neon");
+ } else
+ D.Diag(diag::err_drv_clang_unsupported) << A->getAsString(Args);
+}
+
+// Handle -mfpmath=.
+static void addFPMathArgs(const Driver &D, const Arg *A, const ArgList &Args,
+ ArgStringList &CmdArgs, StringRef CPU) {
+ StringRef FPMath = A->getValue(Args);
+
+ // Set the target features based on the FPMath.
+ if (FPMath == "neon") {
+ CmdArgs.push_back("-target-feature");
+ CmdArgs.push_back("+neonfp");
+
+ if (CPU != "cortex-a8" && CPU != "cortex-a9" && CPU != "cortex-a9-mp")
+ D.Diag(diag::err_drv_invalid_feature) << "-mfpmath=neon" << CPU;
+
+ } else if (FPMath == "vfp" || FPMath == "vfp2" || FPMath == "vfp3" ||
+ FPMath == "vfp4") {
+ CmdArgs.push_back("-target-feature");
+ CmdArgs.push_back("-neonfp");
+
+ // FIXME: Add warnings when disabling a feature not present for a given CPU.
+ } else
+ D.Diag(diag::err_drv_clang_unsupported) << A->getAsString(Args);
+}
+
+// Select the float ABI as determined by -msoft-float, -mhard-float, and
+// -mfloat-abi=.
+static StringRef getARMFloatABI(const Driver &D,
+ const ArgList &Args,
+ const llvm::Triple &Triple) {
+ StringRef FloatABI;
+ if (Arg *A = Args.getLastArg(options::OPT_msoft_float,
+ options::OPT_mhard_float,
+ options::OPT_mfloat_abi_EQ)) {
+ if (A->getOption().matches(options::OPT_msoft_float))
+ FloatABI = "soft";
+ else if (A->getOption().matches(options::OPT_mhard_float))
+ FloatABI = "hard";
+ else {
+ FloatABI = A->getValue(Args);
+ if (FloatABI != "soft" && FloatABI != "softfp" && FloatABI != "hard") {
+ D.Diag(diag::err_drv_invalid_mfloat_abi)
+ << A->getAsString(Args);
+ FloatABI = "soft";
+ }
+ }
+ }
+
+ // If unspecified, choose the default based on the platform.
+ if (FloatABI.empty()) {
+ switch (Triple.getOS()) {
+ case llvm::Triple::Darwin:
+ case llvm::Triple::MacOSX:
+ case llvm::Triple::IOS: {
+ // Darwin defaults to "softfp" for v6 and v7.
+ //
+ // FIXME: Factor out an ARM class so we can cache the arch somewhere.
+ StringRef ArchName =
+ getLLVMArchSuffixForARM(getARMTargetCPU(Args, Triple));
+ if (ArchName.startswith("v6") || ArchName.startswith("v7"))
+ FloatABI = "softfp";
+ else
+ FloatABI = "soft";
+ break;
+ }
+
+ case llvm::Triple::Linux: {
+ if (Triple.getEnvironment() == llvm::Triple::GNUEABI) {
+ FloatABI = "softfp";
+ break;
+ }
+ }
+ // fall through
+
+ default:
+ switch(Triple.getEnvironment()) {
+ case llvm::Triple::GNUEABI:
+ FloatABI = "softfp";
+ break;
+ case llvm::Triple::EABI:
+ // EABI is always AAPCS, and if it was not marked 'hard', it's softfp
+ FloatABI = "softfp";
+ break;
+ case llvm::Triple::ANDROIDEABI: {
+ StringRef ArchName =
+ getLLVMArchSuffixForARM(getARMTargetCPU(Args, Triple));
+ if (ArchName.startswith("v7"))
+ FloatABI = "softfp";
+ else
+ FloatABI = "soft";
+ break;
+ }
+ default:
+ // Assume "soft", but warn the user we are guessing.
+ FloatABI = "soft";
+ D.Diag(diag::warn_drv_assuming_mfloat_abi_is) << "soft";
+ break;
+ }
+ }
+ }
+
+ return FloatABI;
+}
+
+
+void Clang::AddARMTargetArgs(const ArgList &Args,
+ ArgStringList &CmdArgs,
+ bool KernelOrKext) const {
+ const Driver &D = getToolChain().getDriver();
+ llvm::Triple Triple = getToolChain().getTriple();
+
+ // Select the ABI to use.
+ //
+ // FIXME: Support -meabi.
+ const char *ABIName = 0;
+ if (Arg *A = Args.getLastArg(options::OPT_mabi_EQ)) {
+ ABIName = A->getValue(Args);
+ } else {
+ // Select the default based on the platform.
+ switch(Triple.getEnvironment()) {
+ case llvm::Triple::ANDROIDEABI:
+ case llvm::Triple::GNUEABI:
+ ABIName = "aapcs-linux";
+ break;
+ case llvm::Triple::EABI:
+ ABIName = "aapcs";
+ break;
+ default:
+ ABIName = "apcs-gnu";
+ }
+ }
+ CmdArgs.push_back("-target-abi");
+ CmdArgs.push_back(ABIName);
+
+ // Set the CPU based on -march= and -mcpu=.
+ CmdArgs.push_back("-target-cpu");
+ CmdArgs.push_back(getARMTargetCPU(Args, Triple));
+
+ // Determine floating point ABI from the options & target defaults.
+ StringRef FloatABI = getARMFloatABI(D, Args, Triple);
+ if (FloatABI == "soft") {
+ // Floating point operations and argument passing are soft.
+ //
+ // FIXME: This changes CPP defines, we need -target-soft-float.
+ CmdArgs.push_back("-msoft-float");
+ CmdArgs.push_back("-mfloat-abi");
+ CmdArgs.push_back("soft");
+ } else if (FloatABI == "softfp") {
+ // Floating point operations are hard, but argument passing is soft.
+ CmdArgs.push_back("-mfloat-abi");
+ CmdArgs.push_back("soft");
+ } else {
+ // Floating point operations and argument passing are hard.
+ assert(FloatABI == "hard" && "Invalid float abi!");
+ CmdArgs.push_back("-mfloat-abi");
+ CmdArgs.push_back("hard");
+ }
+
+ // Set appropriate target features for floating point mode.
+ //
+ // FIXME: Note, this is a hack, the LLVM backend doesn't actually use these
+ // yet (it uses the -mfloat-abi and -msoft-float options above), and it is
+ // stripped out by the ARM target.
+
+ // Use software floating point operations?
+ if (FloatABI == "soft") {
+ CmdArgs.push_back("-target-feature");
+ CmdArgs.push_back("+soft-float");
+ }
+
+ // Use software floating point argument passing?
+ if (FloatABI != "hard") {
+ CmdArgs.push_back("-target-feature");
+ CmdArgs.push_back("+soft-float-abi");
+ }
+
+ // Honor -mfpu=.
+ if (const Arg *A = Args.getLastArg(options::OPT_mfpu_EQ))
+ addFPUArgs(D, A, Args, CmdArgs);
+
+ // Honor -mfpmath=.
+ if (const Arg *A = Args.getLastArg(options::OPT_mfpmath_EQ))
+ addFPMathArgs(D, A, Args, CmdArgs, getARMTargetCPU(Args, Triple));
+
+ // Setting -msoft-float effectively disables NEON because of the GCC
+ // implementation, although the same isn't true of VFP or VFP3.
+ if (FloatABI == "soft") {
+ CmdArgs.push_back("-target-feature");
+ CmdArgs.push_back("-neon");
+ }
+
+ // Kernel code has more strict alignment requirements.
+ if (KernelOrKext) {
+ CmdArgs.push_back("-backend-option");
+ CmdArgs.push_back("-arm-long-calls");
+
+ CmdArgs.push_back("-backend-option");
+ CmdArgs.push_back("-arm-strict-align");
+
+ // The kext linker doesn't know how to deal with movw/movt.
+ CmdArgs.push_back("-backend-option");
+ CmdArgs.push_back("-arm-darwin-use-movt=0");
+ }
+
+ // Setting -mno-global-merge disables the codegen global merge pass. Setting
+ // -mglobal-merge has no effect as the pass is enabled by default.
+ if (Arg *A = Args.getLastArg(options::OPT_mglobal_merge,
+ options::OPT_mno_global_merge)) {
+ if (A->getOption().matches(options::OPT_mno_global_merge))
+ CmdArgs.push_back("-mno-global-merge");
+ }
+}
+
+// Get default architecture.
+static const char* getMipsArchFromCPU(StringRef CPUName) {
+ if (CPUName == "mips32" || CPUName == "mips32r2")
+ return "mips";
+
+ assert((CPUName == "mips64" || CPUName == "mips64r2") &&
+ "Unexpected cpu name.");
+
+ return "mips64";
+}
+
+// Check that ArchName is a known Mips architecture name.
+static bool checkMipsArchName(StringRef ArchName) {
+ return ArchName == "mips" ||
+ ArchName == "mipsel" ||
+ ArchName == "mips64" ||
+ ArchName == "mips64el";
+}
+
+// Get default target cpu.
+static const char* getMipsCPUFromArch(StringRef ArchName) {
+ if (ArchName == "mips" || ArchName == "mipsel")
+ return "mips32";
+
+ assert((ArchName == "mips64" || ArchName == "mips64el") &&
+ "Unexpected arch name.");
+
+ return "mips64";
+}
+
+// Get default ABI.
+static const char* getMipsABIFromArch(StringRef ArchName) {
+ if (ArchName == "mips" || ArchName == "mipsel")
+ return "o32";
+
+ assert((ArchName == "mips64" || ArchName == "mips64el") &&
+ "Unexpected arch name.");
+ return "n64";
+}
+
+// Get CPU and ABI names. They are not independent
+// so we have to calculate them together.
+static void getMipsCPUAndABI(const ArgList &Args,
+ const ToolChain &TC,
+ StringRef &CPUName,
+ StringRef &ABIName) {
+ StringRef ArchName;
+
+ // Select target cpu and architecture.
+ if (Arg *A = Args.getLastArg(options::OPT_mcpu_EQ)) {
+ CPUName = A->getValue(Args);
+ ArchName = getMipsArchFromCPU(CPUName);
+ }
+ else {
+ ArchName = Args.MakeArgString(TC.getArchName());
+ if (!checkMipsArchName(ArchName))
+ TC.getDriver().Diag(diag::err_drv_invalid_arch_name) << ArchName;
+ else
+ CPUName = getMipsCPUFromArch(ArchName);
+ }
+
+ // Select the ABI to use.
+ if (Arg *A = Args.getLastArg(options::OPT_mabi_EQ))
+ ABIName = A->getValue(Args);
+ else
+ ABIName = getMipsABIFromArch(ArchName);
+}
+
+void Clang::AddMIPSTargetArgs(const ArgList &Args,
+ ArgStringList &CmdArgs) const {
+ const Driver &D = getToolChain().getDriver();
+ StringRef CPUName;
+ StringRef ABIName;
+ getMipsCPUAndABI(Args, getToolChain(), CPUName, ABIName);
+
+ CmdArgs.push_back("-target-cpu");
+ CmdArgs.push_back(CPUName.data());
+
+ CmdArgs.push_back("-target-abi");
+ CmdArgs.push_back(ABIName.data());
+
+ // Select the float ABI as determined by -msoft-float, -mhard-float,
+ // and -mfloat-abi=.
+ StringRef FloatABI;
+ if (Arg *A = Args.getLastArg(options::OPT_msoft_float,
+ options::OPT_mhard_float,
+ options::OPT_mfloat_abi_EQ)) {
+ if (A->getOption().matches(options::OPT_msoft_float))
+ FloatABI = "soft";
+ else if (A->getOption().matches(options::OPT_mhard_float))
+ FloatABI = "hard";
+ else {
+ FloatABI = A->getValue(Args);
+ if (FloatABI != "soft" && FloatABI != "single" && FloatABI != "hard") {
+ D.Diag(diag::err_drv_invalid_mfloat_abi)
+ << A->getAsString(Args);
+ FloatABI = "hard";
+ }
+ }
+ }
+
+ // If unspecified, choose the default based on the platform.
+ if (FloatABI.empty()) {
+ // Assume "hard", because it's a default value used by gcc.
+ // When we start to recognize specific target MIPS processors,
+ // we will be able to select the default more correctly.
+ FloatABI = "hard";
+ }
+
+ if (FloatABI == "soft") {
+ // Floating point operations and argument passing are soft.
+ CmdArgs.push_back("-msoft-float");
+ CmdArgs.push_back("-mfloat-abi");
+ CmdArgs.push_back("soft");
+
+ // FIXME: Note, this is a hack. We need to pass the selected float
+ // mode to the MipsTargetInfoBase to define appropriate macros there.
+ // Now it is the only method.
+ CmdArgs.push_back("-target-feature");
+ CmdArgs.push_back("+soft-float");
+ }
+ else if (FloatABI == "single") {
+ // Restrict the use of hardware floating-point
+ // instructions to 32-bit operations.
+ CmdArgs.push_back("-target-feature");
+ CmdArgs.push_back("+single-float");
+ }
+ else {
+ // Floating point operations and argument passing are hard.
+ assert(FloatABI == "hard" && "Invalid float abi!");
+ CmdArgs.push_back("-mfloat-abi");
+ CmdArgs.push_back("hard");
+ }
+}
+
+void Clang::AddSparcTargetArgs(const ArgList &Args,
+ ArgStringList &CmdArgs) const {
+ const Driver &D = getToolChain().getDriver();
+
+ if (const Arg *A = Args.getLastArg(options::OPT_march_EQ)) {
+ CmdArgs.push_back("-target-cpu");
+ CmdArgs.push_back(A->getValue(Args));
+ }
+
+ // Select the float ABI as determined by -msoft-float, -mhard-float, and
+ StringRef FloatABI;
+ if (Arg *A = Args.getLastArg(options::OPT_msoft_float,
+ options::OPT_mhard_float)) {
+ if (A->getOption().matches(options::OPT_msoft_float))
+ FloatABI = "soft";
+ else if (A->getOption().matches(options::OPT_mhard_float))
+ FloatABI = "hard";
+ }
+
+ // If unspecified, choose the default based on the platform.
+ if (FloatABI.empty()) {
+ switch (getToolChain().getTriple().getOS()) {
+ default:
+ // Assume "soft", but warn the user we are guessing.
+ FloatABI = "soft";
+ D.Diag(diag::warn_drv_assuming_mfloat_abi_is) << "soft";
+ break;
+ }
+ }
+
+ if (FloatABI == "soft") {
+ // Floating point operations and argument passing are soft.
+ //
+ // FIXME: This changes CPP defines, we need -target-soft-float.
+ CmdArgs.push_back("-msoft-float");
+ CmdArgs.push_back("-target-feature");
+ CmdArgs.push_back("+soft-float");
+ } else {
+ assert(FloatABI == "hard" && "Invalid float abi!");
+ CmdArgs.push_back("-mhard-float");
+ }
+}
+
+void Clang::AddX86TargetArgs(const ArgList &Args,
+ ArgStringList &CmdArgs) const {
+ if (!Args.hasFlag(options::OPT_mred_zone,
+ options::OPT_mno_red_zone,
+ true) ||
+ Args.hasArg(options::OPT_mkernel) ||
+ Args.hasArg(options::OPT_fapple_kext))
+ CmdArgs.push_back("-disable-red-zone");
+
+ if (Args.hasFlag(options::OPT_msoft_float,
+ options::OPT_mno_soft_float,
+ false))
+ CmdArgs.push_back("-no-implicit-float");
+
+ const char *CPUName = 0;
+ if (const Arg *A = Args.getLastArg(options::OPT_march_EQ)) {
+ if (StringRef(A->getValue(Args)) == "native") {
+ // FIXME: Reject attempts to use -march=native unless the target matches
+ // the host.
+ //
+ // FIXME: We should also incorporate the detected target features for use
+ // with -native.
+ std::string CPU = llvm::sys::getHostCPUName();
+ if (!CPU.empty())
+ CPUName = Args.MakeArgString(CPU);
+ } else
+ CPUName = A->getValue(Args);
+ }
+
+ // Select the default CPU if none was given (or detection failed).
+ if (!CPUName) {
+ // FIXME: Need target hooks.
+ if (getToolChain().getTriple().isOSDarwin()) {
+ if (getToolChain().getArch() == llvm::Triple::x86_64)
+ CPUName = "core2";
+ else if (getToolChain().getArch() == llvm::Triple::x86)
+ CPUName = "yonah";
+ } else if (getToolChain().getOS().startswith("haiku")) {
+ if (getToolChain().getArch() == llvm::Triple::x86_64)
+ CPUName = "x86-64";
+ else if (getToolChain().getArch() == llvm::Triple::x86)
+ CPUName = "i586";
+ } else if (getToolChain().getOS().startswith("openbsd")) {
+ if (getToolChain().getArch() == llvm::Triple::x86_64)
+ CPUName = "x86-64";
+ else if (getToolChain().getArch() == llvm::Triple::x86)
+ CPUName = "i486";
+ } else if (getToolChain().getOS().startswith("freebsd")) {
+ if (getToolChain().getArch() == llvm::Triple::x86_64)
+ CPUName = "x86-64";
+ else if (getToolChain().getArch() == llvm::Triple::x86)
+ CPUName = "i486";
+ } else if (getToolChain().getOS().startswith("netbsd")) {
+ if (getToolChain().getArch() == llvm::Triple::x86_64)
+ CPUName = "x86-64";
+ else if (getToolChain().getArch() == llvm::Triple::x86)
+ CPUName = "i486";
+ } else {
+ if (getToolChain().getArch() == llvm::Triple::x86_64)
+ CPUName = "x86-64";
+ else if (getToolChain().getArch() == llvm::Triple::x86)
+ CPUName = "pentium4";
+ }
+ }
+
+ if (CPUName) {
+ CmdArgs.push_back("-target-cpu");
+ CmdArgs.push_back(CPUName);
+ }
+
+ // The required algorithm here is slightly strange: the options are applied
+ // in order (so -mno-sse -msse2 disables SSE3), but any option that gets
+ // directly overridden later is ignored (so "-mno-sse -msse2 -mno-sse2 -msse"
+ // is equivalent to "-mno-sse2 -msse"). The -cc1 handling deals with the
+ // former correctly, but not the latter; handle directly-overridden
+ // attributes here.
+ llvm::StringMap<unsigned> PrevFeature;
+ std::vector<const char*> Features;
+ for (arg_iterator it = Args.filtered_begin(options::OPT_m_x86_Features_Group),
+ ie = Args.filtered_end(); it != ie; ++it) {
+ StringRef Name = (*it)->getOption().getName();
+ (*it)->claim();
+
+ // Skip over "-m".
+ assert(Name.startswith("-m") && "Invalid feature name.");
+ Name = Name.substr(2);
+
+ bool IsNegative = Name.startswith("no-");
+ if (IsNegative)
+ Name = Name.substr(3);
+
+ unsigned& Prev = PrevFeature[Name];
+ if (Prev)
+ Features[Prev - 1] = 0;
+ Prev = Features.size() + 1;
+ Features.push_back(Args.MakeArgString((IsNegative ? "-" : "+") + Name));
+ }
+ for (unsigned i = 0; i < Features.size(); i++) {
+ if (Features[i]) {
+ CmdArgs.push_back("-target-feature");
+ CmdArgs.push_back(Features[i]);
+ }
+ }
+}
+
+static Arg* getLastHexagonArchArg (const ArgList &Args)
+{
+ Arg * A = NULL;
+
+ for (ArgList::const_iterator it = Args.begin(), ie = Args.end();
+ it != ie; ++it) {
+ if ((*it)->getOption().matches(options::OPT_march_EQ) ||
+ (*it)->getOption().matches(options::OPT_mcpu_EQ)) {
+ A = *it;
+ A->claim();
+ }
+ else if ((*it)->getOption().matches(options::OPT_m_Joined)){
+ StringRef Value = (*it)->getValue(Args,0);
+ if (Value.startswith("v")) {
+ A = *it;
+ A->claim();
+ }
+ }
+ }
+ return A;
+}
+
+static StringRef getHexagonTargetCPU(const ArgList &Args)
+{
+ Arg *A;
+ llvm::StringRef WhichHexagon;
+
+ // Select the default CPU (v4) if none was given or detection failed.
+ if ((A = getLastHexagonArchArg (Args))) {
+ WhichHexagon = A->getValue(Args);
+ if (WhichHexagon == "")
+ return "v4";
+ else
+ return WhichHexagon;
+ }
+ else
+ return "v4";
+}
+
+void Clang::AddHexagonTargetArgs(const ArgList &Args,
+ ArgStringList &CmdArgs) const {
+ llvm::Triple Triple = getToolChain().getTriple();
+
+ CmdArgs.push_back("-target-cpu");
+ CmdArgs.push_back(Args.MakeArgString("hexagon" + getHexagonTargetCPU(Args)));
+ CmdArgs.push_back("-fno-signed-char");
+ CmdArgs.push_back("-nobuiltininc");
+
+ if (Args.hasArg(options::OPT_mqdsp6_compat))
+ CmdArgs.push_back("-mqdsp6-compat");
+
+ if (Arg *A = Args.getLastArg(options::OPT_G,
+ options::OPT_msmall_data_threshold_EQ)) {
+ std::string SmallDataThreshold="-small-data-threshold=";
+ SmallDataThreshold += A->getValue(Args);
+ CmdArgs.push_back ("-mllvm");
+ CmdArgs.push_back(Args.MakeArgString(SmallDataThreshold));
+ A->claim();
+ }
+
+ CmdArgs.push_back ("-mllvm");
+ CmdArgs.push_back ("-machine-sink-split=0");
+}
+
+static bool
+shouldUseExceptionTablesForObjCExceptions(unsigned objcABIVersion,
+ const llvm::Triple &Triple) {
+ // We use the zero-cost exception tables for Objective-C if the non-fragile
+ // ABI is enabled or when compiling for x86_64 and ARM on Snow Leopard and
+ // later.
+
+ if (objcABIVersion >= 2)
+ return true;
+
+ if (!Triple.isOSDarwin())
+ return false;
+
+ return (!Triple.isMacOSXVersionLT(10,5) &&
+ (Triple.getArch() == llvm::Triple::x86_64 ||
+ Triple.getArch() == llvm::Triple::arm));
+}
+
+/// addExceptionArgs - Adds exception related arguments to the driver command
+/// arguments. There's a master flag, -fexceptions and also language specific
+/// flags to enable/disable C++ and Objective-C exceptions.
+/// This makes it possible to for example disable C++ exceptions but enable
+/// Objective-C exceptions.
+static void addExceptionArgs(const ArgList &Args, types::ID InputType,
+ const llvm::Triple &Triple,
+ bool KernelOrKext,
+ unsigned objcABIVersion,
+ ArgStringList &CmdArgs) {
+ if (KernelOrKext) {
+ // -mkernel and -fapple-kext imply no exceptions, so claim exception related
+ // arguments now to avoid warnings about unused arguments.
+ Args.ClaimAllArgs(options::OPT_fexceptions);
+ Args.ClaimAllArgs(options::OPT_fno_exceptions);
+ Args.ClaimAllArgs(options::OPT_fobjc_exceptions);
+ Args.ClaimAllArgs(options::OPT_fno_objc_exceptions);
+ Args.ClaimAllArgs(options::OPT_fcxx_exceptions);
+ Args.ClaimAllArgs(options::OPT_fno_cxx_exceptions);
+ return;
+ }
+
+ // Exceptions are enabled by default.
+ bool ExceptionsEnabled = true;
+
+ // This keeps track of whether exceptions were explicitly turned on or off.
+ bool DidHaveExplicitExceptionFlag = false;
+
+ if (Arg *A = Args.getLastArg(options::OPT_fexceptions,
+ options::OPT_fno_exceptions)) {
+ if (A->getOption().matches(options::OPT_fexceptions))
+ ExceptionsEnabled = true;
+ else
+ ExceptionsEnabled = false;
+
+ DidHaveExplicitExceptionFlag = true;
+ }
+
+ bool ShouldUseExceptionTables = false;
+
+ // Exception tables and cleanups can be enabled with -fexceptions even if the
+ // language itself doesn't support exceptions.
+ if (ExceptionsEnabled && DidHaveExplicitExceptionFlag)
+ ShouldUseExceptionTables = true;
+
+ // Obj-C exceptions are enabled by default, regardless of -fexceptions. This
+ // is not necessarily sensible, but follows GCC.
+ if (types::isObjC(InputType) &&
+ Args.hasFlag(options::OPT_fobjc_exceptions,
+ options::OPT_fno_objc_exceptions,
+ true)) {
+ CmdArgs.push_back("-fobjc-exceptions");
+
+ ShouldUseExceptionTables |=
+ shouldUseExceptionTablesForObjCExceptions(objcABIVersion, Triple);
+ }
+
+ if (types::isCXX(InputType)) {
+ bool CXXExceptionsEnabled = ExceptionsEnabled;
+
+ if (Arg *A = Args.getLastArg(options::OPT_fcxx_exceptions,
+ options::OPT_fno_cxx_exceptions,
+ options::OPT_fexceptions,
+ options::OPT_fno_exceptions)) {
+ if (A->getOption().matches(options::OPT_fcxx_exceptions))
+ CXXExceptionsEnabled = true;
+ else if (A->getOption().matches(options::OPT_fno_cxx_exceptions))
+ CXXExceptionsEnabled = false;
+ }
+
+ if (CXXExceptionsEnabled) {
+ CmdArgs.push_back("-fcxx-exceptions");
+
+ ShouldUseExceptionTables = true;
+ }
+ }
+
+ if (ShouldUseExceptionTables)
+ CmdArgs.push_back("-fexceptions");
+}
+
+static bool ShouldDisableCFI(const ArgList &Args,
+ const ToolChain &TC) {
+ bool Default = true;
+ if (TC.getTriple().isOSDarwin()) {
+ // The native darwin assembler doesn't support cfi directives, so
+ // we disable them if we think the .s file will be passed to it.
+ Default = Args.hasFlag(options::OPT_integrated_as,
+ options::OPT_no_integrated_as,
+ TC.IsIntegratedAssemblerDefault());
+ }
+ return !Args.hasFlag(options::OPT_fdwarf2_cfi_asm,
+ options::OPT_fno_dwarf2_cfi_asm,
+ Default);
+}
+
+static bool ShouldDisableDwarfDirectory(const ArgList &Args,
+ const ToolChain &TC) {
+ bool IsIADefault = TC.IsIntegratedAssemblerDefault();
+ bool UseIntegratedAs = Args.hasFlag(options::OPT_integrated_as,
+ options::OPT_no_integrated_as,
+ IsIADefault);
+ bool UseDwarfDirectory = Args.hasFlag(options::OPT_fdwarf_directory_asm,
+ options::OPT_fno_dwarf_directory_asm,
+ UseIntegratedAs);
+ return !UseDwarfDirectory;
+}
+
+/// \brief Check whether the given input tree contains any compilation actions.
+static bool ContainsCompileAction(const Action *A) {
+ if (isa<CompileJobAction>(A))
+ return true;
+
+ for (Action::const_iterator it = A->begin(), ie = A->end(); it != ie; ++it)
+ if (ContainsCompileAction(*it))
+ return true;
+
+ return false;
+}
+
+/// \brief Check if -relax-all should be passed to the internal assembler.
+/// This is done by default when compiling non-assembler source with -O0.
+static bool UseRelaxAll(Compilation &C, const ArgList &Args) {
+ bool RelaxDefault = true;
+
+ if (Arg *A = Args.getLastArg(options::OPT_O_Group))
+ RelaxDefault = A->getOption().matches(options::OPT_O0);
+
+ if (RelaxDefault) {
+ RelaxDefault = false;
+ for (ActionList::const_iterator it = C.getActions().begin(),
+ ie = C.getActions().end(); it != ie; ++it) {
+ if (ContainsCompileAction(*it)) {
+ RelaxDefault = true;
+ break;
+ }
+ }
+ }
+
+ return Args.hasFlag(options::OPT_mrelax_all, options::OPT_mno_relax_all,
+ RelaxDefault);
+}
+
+/// If AddressSanitizer is enabled, add appropriate linker flags (Linux).
+/// This needs to be called before we add the C run-time (malloc, etc).
+static void addAsanRTLinux(const ToolChain &TC, const ArgList &Args,
+ ArgStringList &CmdArgs) {
+ // Add asan linker flags when linking an executable, but not a shared object.
+ if (Args.hasArg(options::OPT_shared) ||
+ !Args.hasFlag(options::OPT_faddress_sanitizer,
+ options::OPT_fno_address_sanitizer, false))
+ return;
+
+ // LibAsan is "libclang_rt.asan-<ArchName>.a" in the Linux library resource
+ // directory.
+ SmallString<128> LibAsan(TC.getDriver().ResourceDir);
+ llvm::sys::path::append(LibAsan, "lib", "linux",
+ (Twine("libclang_rt.asan-") +
+ TC.getArchName() + ".a"));
+ CmdArgs.push_back(Args.MakeArgString(LibAsan));
+ CmdArgs.push_back("-lpthread");
+ CmdArgs.push_back("-ldl");
+ CmdArgs.push_back("-export-dynamic");
+}
+
+static bool shouldUseFramePointer(const ArgList &Args,
+ const llvm::Triple &Triple) {
+ if (Arg *A = Args.getLastArg(options::OPT_fno_omit_frame_pointer,
+ options::OPT_fomit_frame_pointer))
+ return A->getOption().matches(options::OPT_fno_omit_frame_pointer);
+
+ // Don't use a frame pointer on linux x86 and x86_64 if optimizing.
+ if ((Triple.getArch() == llvm::Triple::x86_64 ||
+ Triple.getArch() == llvm::Triple::x86) &&
+ Triple.getOS() == llvm::Triple::Linux) {
+ if (Arg *A = Args.getLastArg(options::OPT_O_Group))
+ if (!A->getOption().matches(options::OPT_O0))
+ return false;
+ }
+
+ return true;
+}
+
+void Clang::ConstructJob(Compilation &C, const JobAction &JA,
+ const InputInfo &Output,
+ const InputInfoList &Inputs,
+ const ArgList &Args,
+ const char *LinkingOutput) const {
+ bool KernelOrKext = Args.hasArg(options::OPT_mkernel,
+ options::OPT_fapple_kext);
+ const Driver &D = getToolChain().getDriver();
+ ArgStringList CmdArgs;
+
+ assert(Inputs.size() == 1 && "Unable to handle multiple inputs.");
+
+ // Invoke ourselves in -cc1 mode.
+ //
+ // FIXME: Implement custom jobs for internal actions.
+ CmdArgs.push_back("-cc1");
+
+ // Add the "effective" target triple.
+ CmdArgs.push_back("-triple");
+ std::string TripleStr = getToolChain().ComputeEffectiveClangTriple(Args);
+ CmdArgs.push_back(Args.MakeArgString(TripleStr));
+
+ // Select the appropriate action.
+ bool IsRewriter = false;
+ bool IsModernRewriter = false;
+
+ if (isa<AnalyzeJobAction>(JA)) {
+ assert(JA.getType() == types::TY_Plist && "Invalid output type.");
+ CmdArgs.push_back("-analyze");
+ } else if (isa<MigrateJobAction>(JA)) {
+ CmdArgs.push_back("-migrate");
+ } else if (isa<PreprocessJobAction>(JA)) {
+ if (Output.getType() == types::TY_Dependencies)
+ CmdArgs.push_back("-Eonly");
+ else
+ CmdArgs.push_back("-E");
+ } else if (isa<AssembleJobAction>(JA)) {
+ CmdArgs.push_back("-emit-obj");
+
+ if (UseRelaxAll(C, Args))
+ CmdArgs.push_back("-mrelax-all");
+
+ // When using an integrated assembler, translate -Wa, and -Xassembler
+ // options.
+ for (arg_iterator it = Args.filtered_begin(options::OPT_Wa_COMMA,
+ options::OPT_Xassembler),
+ ie = Args.filtered_end(); it != ie; ++it) {
+ const Arg *A = *it;
+ A->claim();
+
+ for (unsigned i = 0, e = A->getNumValues(); i != e; ++i) {
+ StringRef Value = A->getValue(Args, i);
+
+ if (Value == "-force_cpusubtype_ALL") {
+ // Do nothing, this is the default and we don't support anything else.
+ } else if (Value == "-L") {
+ CmdArgs.push_back("-msave-temp-labels");
+ } else if (Value == "--fatal-warnings") {
+ CmdArgs.push_back("-mllvm");
+ CmdArgs.push_back("-fatal-assembler-warnings");
+ } else if (Value == "--noexecstack") {
+ CmdArgs.push_back("-mnoexecstack");
+ } else {
+ D.Diag(diag::err_drv_unsupported_option_argument)
+ << A->getOption().getName() << Value;
+ }
+ }
+ }
+
+ // Also ignore explicit -force_cpusubtype_ALL option.
+ (void) Args.hasArg(options::OPT_force__cpusubtype__ALL);
+ } else if (isa<PrecompileJobAction>(JA)) {
+ // Use PCH if the user requested it.
+ bool UsePCH = D.CCCUsePCH;
+
+ if (UsePCH)
+ CmdArgs.push_back("-emit-pch");
+ else
+ CmdArgs.push_back("-emit-pth");
+ } else {
+ assert(isa<CompileJobAction>(JA) && "Invalid action for clang tool.");
+
+ if (JA.getType() == types::TY_Nothing) {
+ CmdArgs.push_back("-fsyntax-only");
+ } else if (JA.getType() == types::TY_LLVM_IR ||
+ JA.getType() == types::TY_LTO_IR) {
+ CmdArgs.push_back("-emit-llvm");
+ } else if (JA.getType() == types::TY_LLVM_BC ||
+ JA.getType() == types::TY_LTO_BC) {
+ CmdArgs.push_back("-emit-llvm-bc");
+ } else if (JA.getType() == types::TY_PP_Asm) {
+ CmdArgs.push_back("-S");
+ } else if (JA.getType() == types::TY_AST) {
+ CmdArgs.push_back("-emit-pch");
+ } else if (JA.getType() == types::TY_RewrittenObjC) {
+ CmdArgs.push_back("-rewrite-objc");
+ IsModernRewriter = true;
+ } else if (JA.getType() == types::TY_RewrittenLegacyObjC) {
+ CmdArgs.push_back("-rewrite-objc");
+ IsRewriter = true;
+ } else {
+ assert(JA.getType() == types::TY_PP_Asm &&
+ "Unexpected output type!");
+ }
+ }
+
+ // The make clang go fast button.
+ CmdArgs.push_back("-disable-free");
+
+ // Disable the verification pass in -asserts builds.
+#ifdef NDEBUG
+ CmdArgs.push_back("-disable-llvm-verifier");
+#endif
+
+ // Set the main file name, so that debug info works even with
+ // -save-temps.
+ CmdArgs.push_back("-main-file-name");
+ CmdArgs.push_back(darwin::CC1::getBaseInputName(Args, Inputs));
+
+ // Some flags which affect the language (via preprocessor
+ // defines). See darwin::CC1::AddCPPArgs.
+ if (Args.hasArg(options::OPT_static))
+ CmdArgs.push_back("-static-define");
+
+ if (isa<AnalyzeJobAction>(JA)) {
+ // Enable region store model by default.
+ CmdArgs.push_back("-analyzer-store=region");
+
+ // Treat blocks as analysis entry points.
+ CmdArgs.push_back("-analyzer-opt-analyze-nested-blocks");
+
+ CmdArgs.push_back("-analyzer-eagerly-assume");
+
+ CmdArgs.push_back("-analyzer-ipa=inlining");
+
+ // Add default argument set.
+ if (!Args.hasArg(options::OPT__analyzer_no_default_checks)) {
+ CmdArgs.push_back("-analyzer-checker=core");
+
+ if (getToolChain().getTriple().getOS() != llvm::Triple::Win32)
+ CmdArgs.push_back("-analyzer-checker=unix");
+
+ if (getToolChain().getTriple().getVendor() == llvm::Triple::Apple)
+ CmdArgs.push_back("-analyzer-checker=osx");
+
+ CmdArgs.push_back("-analyzer-checker=deadcode");
+
+ // Enable the following experimental checkers for testing.
+ CmdArgs.push_back("-analyzer-checker=security.insecureAPI.UncheckedReturn");
+ CmdArgs.push_back("-analyzer-checker=security.insecureAPI.getpw");
+ CmdArgs.push_back("-analyzer-checker=security.insecureAPI.gets");
+ CmdArgs.push_back("-analyzer-checker=security.insecureAPI.mktemp");
+ CmdArgs.push_back("-analyzer-checker=security.insecureAPI.mkstemp");
+ CmdArgs.push_back("-analyzer-checker=security.insecureAPI.vfork");
+ }
+
+ // Set the output format. The default is plist, for (lame) historical
+ // reasons.
+ CmdArgs.push_back("-analyzer-output");
+ if (Arg *A = Args.getLastArg(options::OPT__analyzer_output))
+ CmdArgs.push_back(A->getValue(Args));
+ else
+ CmdArgs.push_back("plist");
+
+ // Disable the presentation of standard compiler warnings when
+ // using --analyze. We only want to show static analyzer diagnostics
+ // or frontend errors.
+ CmdArgs.push_back("-w");
+
+ // Add -Xanalyzer arguments when running as analyzer.
+ Args.AddAllArgValues(CmdArgs, options::OPT_Xanalyzer);
+ }
+
+ CheckCodeGenerationOptions(D, Args);
+
+ // Perform argument translation for LLVM backend. This
+ // takes some care in reconciling with llvm-gcc. The
+ // issue is that llvm-gcc translates these options based on
+ // the values in cc1, whereas we are processing based on
+ // the driver arguments.
+
+ // This comes from the default translation the driver + cc1
+ // would do to enable flag_pic.
+ //
+ // FIXME: Centralize this code.
+ Arg *LastPICArg = 0;
+ for (ArgList::const_iterator I = Args.begin(), E = Args.end(); I != E; ++I) {
+ if ((*I)->getOption().matches(options::OPT_fPIC) ||
+ (*I)->getOption().matches(options::OPT_fno_PIC) ||
+ (*I)->getOption().matches(options::OPT_fpic) ||
+ (*I)->getOption().matches(options::OPT_fno_pic) ||
+ (*I)->getOption().matches(options::OPT_fPIE) ||
+ (*I)->getOption().matches(options::OPT_fno_PIE) ||
+ (*I)->getOption().matches(options::OPT_fpie) ||
+ (*I)->getOption().matches(options::OPT_fno_pie)) {
+ LastPICArg = *I;
+ (*I)->claim();
+ }
+ }
+ bool PICDisabled = false;
+ bool PICEnabled = false;
+ bool PICForPIE = false;
+ if (LastPICArg) {
+ PICForPIE = (LastPICArg->getOption().matches(options::OPT_fPIE) ||
+ LastPICArg->getOption().matches(options::OPT_fpie));
+ PICEnabled = (PICForPIE ||
+ LastPICArg->getOption().matches(options::OPT_fPIC) ||
+ LastPICArg->getOption().matches(options::OPT_fpic));
+ PICDisabled = !PICEnabled;
+ }
+ // Note that these flags are trump-cards. Regardless of the order w.r.t. the
+ // PIC or PIE options above, if these show up, PIC is disabled.
+ if (Args.hasArg(options::OPT_mkernel))
+ PICDisabled = true;
+ if (Args.hasArg(options::OPT_static))
+ PICDisabled = true;
+ bool DynamicNoPIC = Args.hasArg(options::OPT_mdynamic_no_pic);
+
+ // Select the relocation model.
+ const char *Model = getToolChain().GetForcedPicModel();
+ if (!Model) {
+ if (DynamicNoPIC)
+ Model = "dynamic-no-pic";
+ else if (PICDisabled)
+ Model = "static";
+ else if (PICEnabled)
+ Model = "pic";
+ else
+ Model = getToolChain().GetDefaultRelocationModel();
+ }
+ StringRef ModelStr = Model ? Model : "";
+ if (Model && ModelStr != "pic") {
+ CmdArgs.push_back("-mrelocation-model");
+ CmdArgs.push_back(Model);
+ }
+
+ // Infer the __PIC__ and __PIE__ values.
+ if (ModelStr == "pic" && PICForPIE) {
+ CmdArgs.push_back("-pie-level");
+ CmdArgs.push_back((LastPICArg &&
+ LastPICArg->getOption().matches(options::OPT_fPIE)) ?
+ "2" : "1");
+ } else if (ModelStr == "pic" || ModelStr == "dynamic-no-pic") {
+ CmdArgs.push_back("-pic-level");
+ CmdArgs.push_back(((ModelStr != "dynamic-no-pic" && LastPICArg &&
+ LastPICArg->getOption().matches(options::OPT_fPIC)) ||
+ getToolChain().getTriple().isOSDarwin()) ? "2" : "1");
+ }
+
+ if (!Args.hasFlag(options::OPT_fmerge_all_constants,
+ options::OPT_fno_merge_all_constants))
+ CmdArgs.push_back("-fno-merge-all-constants");
+
+ // LLVM Code Generator Options.
+
+ if (Arg *A = Args.getLastArg(options::OPT_mregparm_EQ)) {
+ CmdArgs.push_back("-mregparm");
+ CmdArgs.push_back(A->getValue(Args));
+ }
+
+ if (Args.hasFlag(options::OPT_mrtd, options::OPT_mno_rtd, false))
+ CmdArgs.push_back("-mrtd");
+
+ if (shouldUseFramePointer(Args, getToolChain().getTriple()))
+ CmdArgs.push_back("-mdisable-fp-elim");
+ if (!Args.hasFlag(options::OPT_fzero_initialized_in_bss,
+ options::OPT_fno_zero_initialized_in_bss))
+ CmdArgs.push_back("-mno-zero-initialized-in-bss");
+ if (!Args.hasFlag(options::OPT_fstrict_aliasing,
+ options::OPT_fno_strict_aliasing,
+ getToolChain().IsStrictAliasingDefault()))
+ CmdArgs.push_back("-relaxed-aliasing");
+ if (Args.hasFlag(options::OPT_fstrict_enums, options::OPT_fno_strict_enums,
+ false))
+ CmdArgs.push_back("-fstrict-enums");
+ if (!Args.hasFlag(options::OPT_foptimize_sibling_calls,
+ options::OPT_fno_optimize_sibling_calls))
+ CmdArgs.push_back("-mdisable-tail-calls");
+
+ // Handle various floating point optimization flags, mapping them to the
+ // appropriate LLVM code generation flags. The pattern for all of these is to
+ // default off the codegen optimizations, and if any flag enables them and no
+ // flag disables them after the flag enabling them, enable the codegen
+ // optimization. This is complicated by several "umbrella" flags.
+ if (Arg *A = Args.getLastArg(options::OPT_ffast_math,
+ options::OPT_ffinite_math_only,
+ options::OPT_fno_finite_math_only,
+ options::OPT_fhonor_infinities,
+ options::OPT_fno_honor_infinities))
+ if (A->getOption().getID() != options::OPT_fno_finite_math_only &&
+ A->getOption().getID() != options::OPT_fhonor_infinities)
+ CmdArgs.push_back("-menable-no-infs");
+ if (Arg *A = Args.getLastArg(options::OPT_ffast_math,
+ options::OPT_ffinite_math_only,
+ options::OPT_fno_finite_math_only,
+ options::OPT_fhonor_nans,
+ options::OPT_fno_honor_nans))
+ if (A->getOption().getID() != options::OPT_fno_finite_math_only &&
+ A->getOption().getID() != options::OPT_fhonor_nans)
+ CmdArgs.push_back("-menable-no-nans");
+
+ // -fno-math-errno is default.
+ bool MathErrno = false;
+ if (Arg *A = Args.getLastArg(options::OPT_ffast_math,
+ options::OPT_fmath_errno,
+ options::OPT_fno_math_errno)) {
+ if (A->getOption().getID() == options::OPT_fmath_errno) {
+ CmdArgs.push_back("-fmath-errno");
+ MathErrno = true;
+ }
+ }
+
+ // There are several flags which require disabling very specific
+ // optimizations. Any of these being disabled forces us to turn off the
+ // entire set of LLVM optimizations, so collect them through all the flag
+ // madness.
+ bool AssociativeMath = false;
+ if (Arg *A = Args.getLastArg(options::OPT_ffast_math,
+ options::OPT_funsafe_math_optimizations,
+ options::OPT_fno_unsafe_math_optimizations,
+ options::OPT_fassociative_math,
+ options::OPT_fno_associative_math))
+ if (A->getOption().getID() != options::OPT_fno_unsafe_math_optimizations &&
+ A->getOption().getID() != options::OPT_fno_associative_math)
+ AssociativeMath = true;
+ bool ReciprocalMath = false;
+ if (Arg *A = Args.getLastArg(options::OPT_ffast_math,
+ options::OPT_funsafe_math_optimizations,
+ options::OPT_fno_unsafe_math_optimizations,
+ options::OPT_freciprocal_math,
+ options::OPT_fno_reciprocal_math))
+ if (A->getOption().getID() != options::OPT_fno_unsafe_math_optimizations &&
+ A->getOption().getID() != options::OPT_fno_reciprocal_math)
+ ReciprocalMath = true;
+ bool SignedZeros = true;
+ if (Arg *A = Args.getLastArg(options::OPT_ffast_math,
+ options::OPT_funsafe_math_optimizations,
+ options::OPT_fno_unsafe_math_optimizations,
+ options::OPT_fsigned_zeros,
+ options::OPT_fno_signed_zeros))
+ if (A->getOption().getID() != options::OPT_fno_unsafe_math_optimizations &&
+ A->getOption().getID() != options::OPT_fsigned_zeros)
+ SignedZeros = false;
+ bool TrappingMath = true;
+ if (Arg *A = Args.getLastArg(options::OPT_ffast_math,
+ options::OPT_funsafe_math_optimizations,
+ options::OPT_fno_unsafe_math_optimizations,
+ options::OPT_ftrapping_math,
+ options::OPT_fno_trapping_math))
+ if (A->getOption().getID() != options::OPT_fno_unsafe_math_optimizations &&
+ A->getOption().getID() != options::OPT_ftrapping_math)
+ TrappingMath = false;
+ if (!MathErrno && AssociativeMath && ReciprocalMath && !SignedZeros &&
+ !TrappingMath)
+ CmdArgs.push_back("-menable-unsafe-fp-math");
+
+ // We separately look for the '-ffast-math' flag, and if we find it, tell the
+ // frontend to provide the appropriate preprocessor macros. This is distinct
+ // from enabling any optimizations as it induces a language change which must
+ // survive serialization and deserialization, etc.
+ if (Args.hasArg(options::OPT_ffast_math))
+ CmdArgs.push_back("-ffast-math");
+
+ // Decide whether to use verbose asm. Verbose assembly is the default on
+ // toolchains which have the integrated assembler on by default.
+ bool IsVerboseAsmDefault = getToolChain().IsIntegratedAssemblerDefault();
+ if (Args.hasFlag(options::OPT_fverbose_asm, options::OPT_fno_verbose_asm,
+ IsVerboseAsmDefault) ||
+ Args.hasArg(options::OPT_dA))
+ CmdArgs.push_back("-masm-verbose");
+
+ if (Args.hasArg(options::OPT_fdebug_pass_structure)) {
+ CmdArgs.push_back("-mdebug-pass");
+ CmdArgs.push_back("Structure");
+ }
+ if (Args.hasArg(options::OPT_fdebug_pass_arguments)) {
+ CmdArgs.push_back("-mdebug-pass");
+ CmdArgs.push_back("Arguments");
+ }
+
+ // Enable -mconstructor-aliases except on darwin, where we have to
+ // work around a linker bug; see <rdar://problem/7651567>.
+ if (!getToolChain().getTriple().isOSDarwin())
+ CmdArgs.push_back("-mconstructor-aliases");
+
+ // Darwin's kernel doesn't support guard variables; just die if we
+ // try to use them.
+ if (KernelOrKext && getToolChain().getTriple().isOSDarwin())
+ CmdArgs.push_back("-fforbid-guard-variables");
+
+ if (Args.hasArg(options::OPT_mms_bitfields)) {
+ CmdArgs.push_back("-mms-bitfields");
+ }
+
+ // This is a coarse approximation of what llvm-gcc actually does, both
+ // -fasynchronous-unwind-tables and -fnon-call-exceptions interact in more
+ // complicated ways.
+ bool AsynchronousUnwindTables =
+ Args.hasFlag(options::OPT_fasynchronous_unwind_tables,
+ options::OPT_fno_asynchronous_unwind_tables,
+ getToolChain().IsUnwindTablesDefault() &&
+ !KernelOrKext);
+ if (Args.hasFlag(options::OPT_funwind_tables, options::OPT_fno_unwind_tables,
+ AsynchronousUnwindTables))
+ CmdArgs.push_back("-munwind-tables");
+
+ if (Arg *A = Args.getLastArg(options::OPT_flimited_precision_EQ)) {
+ CmdArgs.push_back("-mlimit-float-precision");
+ CmdArgs.push_back(A->getValue(Args));
+ }
+
+ // FIXME: Handle -mtune=.
+ (void) Args.hasArg(options::OPT_mtune_EQ);
+
+ if (Arg *A = Args.getLastArg(options::OPT_mcmodel_EQ)) {
+ CmdArgs.push_back("-mcode-model");
+ CmdArgs.push_back(A->getValue(Args));
+ }
+
+ // Add target specific cpu and features flags.
+ switch(getToolChain().getTriple().getArch()) {
+ default:
+ break;
+
+ case llvm::Triple::arm:
+ case llvm::Triple::thumb:
+ AddARMTargetArgs(Args, CmdArgs, KernelOrKext);
+ break;
+
+ case llvm::Triple::mips:
+ case llvm::Triple::mipsel:
+ case llvm::Triple::mips64:
+ case llvm::Triple::mips64el:
+ AddMIPSTargetArgs(Args, CmdArgs);
+ break;
+
+ case llvm::Triple::sparc:
+ AddSparcTargetArgs(Args, CmdArgs);
+ break;
+
+ case llvm::Triple::x86:
+ case llvm::Triple::x86_64:
+ AddX86TargetArgs(Args, CmdArgs);
+ break;
+
+ case llvm::Triple::hexagon:
+ AddHexagonTargetArgs(Args, CmdArgs);
+ break;
+ }
+
+
+
+ // Pass the linker version in use.
+ if (Arg *A = Args.getLastArg(options::OPT_mlinker_version_EQ)) {
+ CmdArgs.push_back("-target-linker-version");
+ CmdArgs.push_back(A->getValue(Args));
+ }
+
+ // -mno-omit-leaf-frame-pointer is the default on Darwin.
+ if (Args.hasFlag(options::OPT_momit_leaf_frame_pointer,
+ options::OPT_mno_omit_leaf_frame_pointer,
+ !getToolChain().getTriple().isOSDarwin()))
+ CmdArgs.push_back("-momit-leaf-frame-pointer");
+
+ // Explicitly error on some things we know we don't support and can't just
+ // ignore.
+ types::ID InputType = Inputs[0].getType();
+ if (!Args.hasArg(options::OPT_fallow_unsupported)) {
+ Arg *Unsupported;
+ if (types::isCXX(InputType) &&
+ getToolChain().getTriple().isOSDarwin() &&
+ getToolChain().getTriple().getArch() == llvm::Triple::x86) {
+ if ((Unsupported = Args.getLastArg(options::OPT_fapple_kext)) ||
+ (Unsupported = Args.getLastArg(options::OPT_mkernel)))
+ D.Diag(diag::err_drv_clang_unsupported_opt_cxx_darwin_i386)
+ << Unsupported->getOption().getName();
+ }
+ }
+
+ Args.AddAllArgs(CmdArgs, options::OPT_v);
+ Args.AddLastArg(CmdArgs, options::OPT_H);
+ if (D.CCPrintHeaders && !D.CCGenDiagnostics) {
+ CmdArgs.push_back("-header-include-file");
+ CmdArgs.push_back(D.CCPrintHeadersFilename ?
+ D.CCPrintHeadersFilename : "-");
+ }
+ Args.AddLastArg(CmdArgs, options::OPT_P);
+ Args.AddLastArg(CmdArgs, options::OPT_print_ivar_layout);
+
+ if (D.CCLogDiagnostics && !D.CCGenDiagnostics) {
+ CmdArgs.push_back("-diagnostic-log-file");
+ CmdArgs.push_back(D.CCLogDiagnosticsFilename ?
+ D.CCLogDiagnosticsFilename : "-");
+ }
+
+ // Special case debug options to only pass -g to clang. This is
+ // wrong.
+ Args.ClaimAllArgs(options::OPT_g_Group);
+ if (Arg *A = Args.getLastArg(options::OPT_g_Group))
+ if (!A->getOption().matches(options::OPT_g0)) {
+ CmdArgs.push_back("-g");
+ }
+
+ Args.AddAllArgs(CmdArgs, options::OPT_ffunction_sections);
+ Args.AddAllArgs(CmdArgs, options::OPT_fdata_sections);
+
+ Args.AddAllArgs(CmdArgs, options::OPT_finstrument_functions);
+
+ if (Args.hasArg(options::OPT_ftest_coverage) ||
+ Args.hasArg(options::OPT_coverage))
+ CmdArgs.push_back("-femit-coverage-notes");
+ if (Args.hasArg(options::OPT_fprofile_arcs) ||
+ Args.hasArg(options::OPT_coverage))
+ CmdArgs.push_back("-femit-coverage-data");
+
+ if (C.getArgs().hasArg(options::OPT_c) ||
+ C.getArgs().hasArg(options::OPT_S)) {
+ if (Output.isFilename()) {
+ CmdArgs.push_back("-coverage-file");
+ CmdArgs.push_back(Args.MakeArgString(Output.getFilename()));
+ }
+ }
+
+ // Pass options for controlling the default header search paths.
+ if (Args.hasArg(options::OPT_nostdinc)) {
+ CmdArgs.push_back("-nostdsysteminc");
+ CmdArgs.push_back("-nobuiltininc");
+ } else {
+ if (Args.hasArg(options::OPT_nostdlibinc))
+ CmdArgs.push_back("-nostdsysteminc");
+ Args.AddLastArg(CmdArgs, options::OPT_nostdincxx);
+ Args.AddLastArg(CmdArgs, options::OPT_nobuiltininc);
+ }
+
+ // Pass the path to compiler resource files.
+ CmdArgs.push_back("-resource-dir");
+ CmdArgs.push_back(D.ResourceDir.c_str());
+
+ Args.AddLastArg(CmdArgs, options::OPT_working_directory);
+
+ bool ARCMTEnabled = false;
+ if (!Args.hasArg(options::OPT_fno_objc_arc)) {
+ if (const Arg *A = Args.getLastArg(options::OPT_ccc_arcmt_check,
+ options::OPT_ccc_arcmt_modify,
+ options::OPT_ccc_arcmt_migrate)) {
+ ARCMTEnabled = true;
+ switch (A->getOption().getID()) {
+ default:
+ llvm_unreachable("missed a case");
+ case options::OPT_ccc_arcmt_check:
+ CmdArgs.push_back("-arcmt-check");
+ break;
+ case options::OPT_ccc_arcmt_modify:
+ CmdArgs.push_back("-arcmt-modify");
+ break;
+ case options::OPT_ccc_arcmt_migrate:
+ CmdArgs.push_back("-arcmt-migrate");
+ CmdArgs.push_back("-mt-migrate-directory");
+ CmdArgs.push_back(A->getValue(Args));
+
+ Args.AddLastArg(CmdArgs, options::OPT_arcmt_migrate_report_output);
+ Args.AddLastArg(CmdArgs, options::OPT_arcmt_migrate_emit_arc_errors);
+ break;
+ }
+ }
+ }
+
+ if (const Arg *A = Args.getLastArg(options::OPT_ccc_objcmt_migrate)) {
+ if (ARCMTEnabled) {
+ D.Diag(diag::err_drv_argument_not_allowed_with)
+ << A->getAsString(Args) << "-ccc-arcmt-migrate";
+ }
+ CmdArgs.push_back("-mt-migrate-directory");
+ CmdArgs.push_back(A->getValue(Args));
+
+ if (!Args.hasArg(options::OPT_objcmt_migrate_literals,
+ options::OPT_objcmt_migrate_subscripting)) {
+ // None specified, means enable them all.
+ CmdArgs.push_back("-objcmt-migrate-literals");
+ CmdArgs.push_back("-objcmt-migrate-subscripting");
+ } else {
+ Args.AddLastArg(CmdArgs, options::OPT_objcmt_migrate_literals);
+ Args.AddLastArg(CmdArgs, options::OPT_objcmt_migrate_subscripting);
+ }
+ }
+
+ // Add preprocessing options like -I, -D, etc. if we are using the
+ // preprocessor.
+ //
+ // FIXME: Support -fpreprocessed
+ if (types::getPreprocessedType(InputType) != types::TY_INVALID)
+ AddPreprocessingOptions(C, D, Args, CmdArgs, Output, Inputs);
+
+ // Don't warn about "clang -c -DPIC -fPIC test.i" because libtool.m4 assumes
+ // that "The compiler can only warn and ignore the option if not recognized".
+ // When building with ccache, it will pass -D options to clang even on
+ // preprocessed inputs and configure concludes that -fPIC is not supported.
+ Args.ClaimAllArgs(options::OPT_D);
+
+ // Manually translate -O to -O2 and -O4 to -O3; let clang reject
+ // others.
+ if (Arg *A = Args.getLastArg(options::OPT_O_Group)) {
+ if (A->getOption().matches(options::OPT_O4))
+ CmdArgs.push_back("-O3");
+ else if (A->getOption().matches(options::OPT_O) &&
+ A->getValue(Args)[0] == '\0')
+ CmdArgs.push_back("-O2");
+ else
+ A->render(Args, CmdArgs);
+ }
+
+ Args.AddAllArgs(CmdArgs, options::OPT_W_Group);
+ Args.AddLastArg(CmdArgs, options::OPT_pedantic);
+ Args.AddLastArg(CmdArgs, options::OPT_pedantic_errors);
+ Args.AddLastArg(CmdArgs, options::OPT_w);
+
+ // Handle -{std, ansi, trigraphs} -- take the last of -{std, ansi}
+ // (-ansi is equivalent to -std=c89).
+ //
+ // If a std is supplied, only add -trigraphs if it follows the
+ // option.
+ if (Arg *Std = Args.getLastArg(options::OPT_std_EQ, options::OPT_ansi)) {
+ if (Std->getOption().matches(options::OPT_ansi))
+ if (types::isCXX(InputType))
+ CmdArgs.push_back("-std=c++98");
+ else
+ CmdArgs.push_back("-std=c89");
+ else
+ Std->render(Args, CmdArgs);
+
+ if (Arg *A = Args.getLastArg(options::OPT_std_EQ, options::OPT_ansi,
+ options::OPT_trigraphs))
+ if (A != Std)
+ A->render(Args, CmdArgs);
+ } else {
+ // Honor -std-default.
+ //
+ // FIXME: Clang doesn't correctly handle -std= when the input language
+ // doesn't match. For the time being just ignore this for C++ inputs;
+ // eventually we want to do all the standard defaulting here instead of
+ // splitting it between the driver and clang -cc1.
+ if (!types::isCXX(InputType))
+ Args.AddAllArgsTranslated(CmdArgs, options::OPT_std_default_EQ,
+ "-std=", /*Joined=*/true);
+ Args.AddLastArg(CmdArgs, options::OPT_trigraphs);
+ }
+
+ // Map the bizarre '-Wwrite-strings' flag to a more sensible
+ // '-fconst-strings'; this better indicates its actual behavior.
+ if (Args.hasFlag(options::OPT_Wwrite_strings, options::OPT_Wno_write_strings,
+ false)) {
+ // For perfect compatibility with GCC, we do this even in the presence of
+ // '-w'. This flag names something other than a warning for GCC.
+ CmdArgs.push_back("-fconst-strings");
+ }
+
+ // GCC provides a macro definition '__DEPRECATED' when -Wdeprecated is active
+ // during C++ compilation, which it is by default. GCC keeps this define even
+ // in the presence of '-w', match this behavior bug-for-bug.
+ if (types::isCXX(InputType) &&
+ Args.hasFlag(options::OPT_Wdeprecated, options::OPT_Wno_deprecated,
+ true)) {
+ CmdArgs.push_back("-fdeprecated-macro");
+ }
+
+ // Translate GCC's misnamer '-fasm' arguments to '-fgnu-keywords'.
+ if (Arg *Asm = Args.getLastArg(options::OPT_fasm, options::OPT_fno_asm)) {
+ if (Asm->getOption().matches(options::OPT_fasm))
+ CmdArgs.push_back("-fgnu-keywords");
+ else
+ CmdArgs.push_back("-fno-gnu-keywords");
+ }
+
+ if (ShouldDisableCFI(Args, getToolChain()))
+ CmdArgs.push_back("-fno-dwarf2-cfi-asm");
+
+ if (ShouldDisableDwarfDirectory(Args, getToolChain()))
+ CmdArgs.push_back("-fno-dwarf-directory-asm");
+
+ if (const char *pwd = ::getenv("PWD")) {
+ // GCC also verifies that stat(pwd) and stat(".") have the same inode
+ // number. Not doing those because stats are slow, but we could.
+ if (llvm::sys::path::is_absolute(pwd)) {
+ std::string CompDir = pwd;
+ CmdArgs.push_back("-fdebug-compilation-dir");
+ CmdArgs.push_back(Args.MakeArgString(CompDir));
+ }
+ }
+
+ if (Arg *A = Args.getLastArg(options::OPT_ftemplate_depth_,
+ options::OPT_ftemplate_depth_EQ)) {
+ CmdArgs.push_back("-ftemplate-depth");
+ CmdArgs.push_back(A->getValue(Args));
+ }
+
+ if (Arg *A = Args.getLastArg(options::OPT_fconstexpr_depth_EQ)) {
+ CmdArgs.push_back("-fconstexpr-depth");
+ CmdArgs.push_back(A->getValue(Args));
+ }
+
+ if (Arg *A = Args.getLastArg(options::OPT_Wlarge_by_value_copy_EQ,
+ options::OPT_Wlarge_by_value_copy_def)) {
+ CmdArgs.push_back("-Wlarge-by-value-copy");
+ if (A->getNumValues())
+ CmdArgs.push_back(A->getValue(Args));
+ else
+ CmdArgs.push_back("64"); // default value for -Wlarge-by-value-copy.
+ }
+
+ if (Args.hasArg(options::OPT__relocatable_pch))
+ CmdArgs.push_back("-relocatable-pch");
+
+ if (Arg *A = Args.getLastArg(options::OPT_fconstant_string_class_EQ)) {
+ CmdArgs.push_back("-fconstant-string-class");
+ CmdArgs.push_back(A->getValue(Args));
+ }
+
+ if (Arg *A = Args.getLastArg(options::OPT_ftabstop_EQ)) {
+ CmdArgs.push_back("-ftabstop");
+ CmdArgs.push_back(A->getValue(Args));
+ }
+
+ CmdArgs.push_back("-ferror-limit");
+ if (Arg *A = Args.getLastArg(options::OPT_ferror_limit_EQ))
+ CmdArgs.push_back(A->getValue(Args));
+ else
+ CmdArgs.push_back("19");
+
+ if (Arg *A = Args.getLastArg(options::OPT_fmacro_backtrace_limit_EQ)) {
+ CmdArgs.push_back("-fmacro-backtrace-limit");
+ CmdArgs.push_back(A->getValue(Args));
+ }
+
+ if (Arg *A = Args.getLastArg(options::OPT_ftemplate_backtrace_limit_EQ)) {
+ CmdArgs.push_back("-ftemplate-backtrace-limit");
+ CmdArgs.push_back(A->getValue(Args));
+ }
+
+ if (Arg *A = Args.getLastArg(options::OPT_fconstexpr_backtrace_limit_EQ)) {
+ CmdArgs.push_back("-fconstexpr-backtrace-limit");
+ CmdArgs.push_back(A->getValue(Args));
+ }
+
+ // Pass -fmessage-length=.
+ CmdArgs.push_back("-fmessage-length");
+ if (Arg *A = Args.getLastArg(options::OPT_fmessage_length_EQ)) {
+ CmdArgs.push_back(A->getValue(Args));
+ } else {
+ // If -fmessage-length=N was not specified, determine whether this is a
+ // terminal and, if so, implicitly define -fmessage-length appropriately.
+ unsigned N = llvm::sys::Process::StandardErrColumns();
+ CmdArgs.push_back(Args.MakeArgString(Twine(N)));
+ }
+
+ if (const Arg *A = Args.getLastArg(options::OPT_fvisibility_EQ)) {
+ CmdArgs.push_back("-fvisibility");
+ CmdArgs.push_back(A->getValue(Args));
+ }
+
+ Args.AddLastArg(CmdArgs, options::OPT_fvisibility_inlines_hidden);
+
+ // -fhosted is default.
+ if (Args.hasFlag(options::OPT_ffreestanding, options::OPT_fhosted, false) ||
+ KernelOrKext)
+ CmdArgs.push_back("-ffreestanding");
+
+ // Forward -f (flag) options which we can pass directly.
+ Args.AddLastArg(CmdArgs, options::OPT_fcatch_undefined_behavior);
+ Args.AddLastArg(CmdArgs, options::OPT_femit_all_decls);
+ Args.AddLastArg(CmdArgs, options::OPT_fheinous_gnu_extensions);
+ Args.AddLastArg(CmdArgs, options::OPT_flimit_debug_info);
+ Args.AddLastArg(CmdArgs, options::OPT_fno_limit_debug_info);
+ Args.AddLastArg(CmdArgs, options::OPT_fno_operator_names);
+ Args.AddLastArg(CmdArgs, options::OPT_faltivec);
+
+ // Report and error for -faltivec on anything other then PowerPC.
+ if (const Arg *A = Args.getLastArg(options::OPT_faltivec))
+ if (!(getToolChain().getTriple().getArch() == llvm::Triple::ppc ||
+ getToolChain().getTriple().getArch() == llvm::Triple::ppc64))
+ D.Diag(diag::err_drv_argument_only_allowed_with)
+ << A->getAsString(Args) << "ppc/ppc64";
+
+ if (getToolChain().SupportsProfiling())
+ Args.AddLastArg(CmdArgs, options::OPT_pg);
+
+ if (Args.hasFlag(options::OPT_faddress_sanitizer,
+ options::OPT_fno_address_sanitizer, false))
+ CmdArgs.push_back("-faddress-sanitizer");
+
+ if (Args.hasFlag(options::OPT_fthread_sanitizer,
+ options::OPT_fno_thread_sanitizer, false))
+ CmdArgs.push_back("-fthread-sanitizer");
+
+ // -flax-vector-conversions is default.
+ if (!Args.hasFlag(options::OPT_flax_vector_conversions,
+ options::OPT_fno_lax_vector_conversions))
+ CmdArgs.push_back("-fno-lax-vector-conversions");
+
+ if (Args.getLastArg(options::OPT_fapple_kext))
+ CmdArgs.push_back("-fapple-kext");
+
+ Args.AddLastArg(CmdArgs, options::OPT_fobjc_sender_dependent_dispatch);
+ Args.AddLastArg(CmdArgs, options::OPT_fdiagnostics_print_source_range_info);
+ Args.AddLastArg(CmdArgs, options::OPT_fdiagnostics_parseable_fixits);
+ Args.AddLastArg(CmdArgs, options::OPT_ftime_report);
+ Args.AddLastArg(CmdArgs, options::OPT_ftrapv);
+
+ if (Arg *A = Args.getLastArg(options::OPT_ftrapv_handler_EQ)) {
+ CmdArgs.push_back("-ftrapv-handler");
+ CmdArgs.push_back(A->getValue(Args));
+ }
+
+ Args.AddLastArg(CmdArgs, options::OPT_ftrap_function_EQ);
+
+ // -fno-strict-overflow implies -fwrapv if it isn't disabled, but
+ // -fstrict-overflow won't turn off an explicitly enabled -fwrapv.
+ if (Arg *A = Args.getLastArg(options::OPT_fwrapv,
+ options::OPT_fno_wrapv)) {
+ if (A->getOption().matches(options::OPT_fwrapv))
+ CmdArgs.push_back("-fwrapv");
+ } else if (Arg *A = Args.getLastArg(options::OPT_fstrict_overflow,
+ options::OPT_fno_strict_overflow)) {
+ if (A->getOption().matches(options::OPT_fno_strict_overflow))
+ CmdArgs.push_back("-fwrapv");
+ }
+ Args.AddLastArg(CmdArgs, options::OPT_fwritable_strings);
+ Args.AddLastArg(CmdArgs, options::OPT_funroll_loops);
+
+ Args.AddLastArg(CmdArgs, options::OPT_pthread);
+
+ // -stack-protector=0 is default.
+ unsigned StackProtectorLevel = 0;
+ if (Arg *A = Args.getLastArg(options::OPT_fno_stack_protector,
+ options::OPT_fstack_protector_all,
+ options::OPT_fstack_protector)) {
+ if (A->getOption().matches(options::OPT_fstack_protector))
+ StackProtectorLevel = 1;
+ else if (A->getOption().matches(options::OPT_fstack_protector_all))
+ StackProtectorLevel = 2;
+ } else {
+ StackProtectorLevel =
+ getToolChain().GetDefaultStackProtectorLevel(KernelOrKext);
+ }
+ if (StackProtectorLevel) {
+ CmdArgs.push_back("-stack-protector");
+ CmdArgs.push_back(Args.MakeArgString(Twine(StackProtectorLevel)));
+ }
+
+ // Translate -mstackrealign
+ if (Args.hasFlag(options::OPT_mstackrealign, options::OPT_mno_stackrealign,
+ false)) {
+ CmdArgs.push_back("-backend-option");
+ CmdArgs.push_back("-force-align-stack");
+ }
+ if (!Args.hasFlag(options::OPT_mno_stackrealign, options::OPT_mstackrealign,
+ false)) {
+ CmdArgs.push_back(Args.MakeArgString("-mstackrealign"));
+ }
+
+ if (Args.hasArg(options::OPT_mstack_alignment)) {
+ StringRef alignment = Args.getLastArgValue(options::OPT_mstack_alignment);
+ CmdArgs.push_back(Args.MakeArgString("-mstack-alignment=" + alignment));
+ }
+
+ // Forward -f options with positive and negative forms; we translate
+ // these by hand.
+
+ if (Args.hasArg(options::OPT_mkernel)) {
+ if (!Args.hasArg(options::OPT_fapple_kext) && types::isCXX(InputType))
+ CmdArgs.push_back("-fapple-kext");
+ if (!Args.hasArg(options::OPT_fbuiltin))
+ CmdArgs.push_back("-fno-builtin");
+ Args.ClaimAllArgs(options::OPT_fno_builtin);
+ }
+ // -fbuiltin is default.
+ else if (!Args.hasFlag(options::OPT_fbuiltin, options::OPT_fno_builtin))
+ CmdArgs.push_back("-fno-builtin");
+
+ if (!Args.hasFlag(options::OPT_fassume_sane_operator_new,
+ options::OPT_fno_assume_sane_operator_new))
+ CmdArgs.push_back("-fno-assume-sane-operator-new");
+
+ // -fblocks=0 is default.
+ if (Args.hasFlag(options::OPT_fblocks, options::OPT_fno_blocks,
+ getToolChain().IsBlocksDefault()) ||
+ (Args.hasArg(options::OPT_fgnu_runtime) &&
+ Args.hasArg(options::OPT_fobjc_nonfragile_abi) &&
+ !Args.hasArg(options::OPT_fno_blocks))) {
+ CmdArgs.push_back("-fblocks");
+
+ if (!Args.hasArg(options::OPT_fgnu_runtime) &&
+ !getToolChain().hasBlocksRuntime())
+ CmdArgs.push_back("-fblocks-runtime-optional");
+ }
+
+ // -fmodules enables modules (off by default). However, for C++/Objective-C++,
+ // users must also pass -fcxx-modules. The latter flag will disappear once the
+ // modules implementation is solid for C++/Objective-C++ programs as well.
+ if (Args.hasFlag(options::OPT_fmodules, options::OPT_fno_modules, false)) {
+ bool AllowedInCXX = Args.hasFlag(options::OPT_fcxx_modules,
+ options::OPT_fno_cxx_modules,
+ false);
+ if (AllowedInCXX || !types::isCXX(InputType))
+ CmdArgs.push_back("-fmodules");
+ }
+
+ // -faccess-control is default.
+ if (Args.hasFlag(options::OPT_fno_access_control,
+ options::OPT_faccess_control,
+ false))
+ CmdArgs.push_back("-fno-access-control");
+
+ // -felide-constructors is the default.
+ if (Args.hasFlag(options::OPT_fno_elide_constructors,
+ options::OPT_felide_constructors,
+ false))
+ CmdArgs.push_back("-fno-elide-constructors");
+
+ // -frtti is default.
+ if (!Args.hasFlag(options::OPT_frtti, options::OPT_fno_rtti) ||
+ KernelOrKext)
+ CmdArgs.push_back("-fno-rtti");
+
+ // -fshort-enums=0 is default for all architectures except Hexagon.
+ if (Args.hasFlag(options::OPT_fshort_enums,
+ options::OPT_fno_short_enums,
+ getToolChain().getTriple().getArch() ==
+ llvm::Triple::hexagon))
+ CmdArgs.push_back("-fshort-enums");
+
+ // -fsigned-char is default.
+ if (!Args.hasFlag(options::OPT_fsigned_char, options::OPT_funsigned_char,
+ isSignedCharDefault(getToolChain().getTriple())))
+ CmdArgs.push_back("-fno-signed-char");
+
+ // -fthreadsafe-static is default.
+ if (!Args.hasFlag(options::OPT_fthreadsafe_statics,
+ options::OPT_fno_threadsafe_statics))
+ CmdArgs.push_back("-fno-threadsafe-statics");
+
+ // -fuse-cxa-atexit is default.
+ if (!Args.hasFlag(options::OPT_fuse_cxa_atexit,
+ options::OPT_fno_use_cxa_atexit,
+ getToolChain().getTriple().getOS() != llvm::Triple::Cygwin &&
+ getToolChain().getTriple().getOS() != llvm::Triple::MinGW32 &&
+ getToolChain().getTriple().getArch() != llvm::Triple::hexagon) ||
+ KernelOrKext)
+ CmdArgs.push_back("-fno-use-cxa-atexit");
+
+ // -fms-extensions=0 is default.
+ if (Args.hasFlag(options::OPT_fms_extensions, options::OPT_fno_ms_extensions,
+ getToolChain().getTriple().getOS() == llvm::Triple::Win32))
+ CmdArgs.push_back("-fms-extensions");
+
+ // -fms-compatibility=0 is default.
+ if (Args.hasFlag(options::OPT_fms_compatibility,
+ options::OPT_fno_ms_compatibility,
+ (getToolChain().getTriple().getOS() == llvm::Triple::Win32 &&
+ Args.hasFlag(options::OPT_fms_extensions,
+ options::OPT_fno_ms_extensions,
+ true))))
+ CmdArgs.push_back("-fms-compatibility");
+
+ // -fmsc-version=1300 is default.
+ if (Args.hasFlag(options::OPT_fms_extensions, options::OPT_fno_ms_extensions,
+ getToolChain().getTriple().getOS() == llvm::Triple::Win32) ||
+ Args.hasArg(options::OPT_fmsc_version)) {
+ StringRef msc_ver = Args.getLastArgValue(options::OPT_fmsc_version);
+ if (msc_ver.empty())
+ CmdArgs.push_back("-fmsc-version=1300");
+ else
+ CmdArgs.push_back(Args.MakeArgString("-fmsc-version=" + msc_ver));
+ }
+
+
+ // -fborland-extensions=0 is default.
+ if (Args.hasFlag(options::OPT_fborland_extensions,
+ options::OPT_fno_borland_extensions, false))
+ CmdArgs.push_back("-fborland-extensions");
+
+ // -fno-delayed-template-parsing is default, except for Windows where MSVC STL
+ // needs it.
+ if (Args.hasFlag(options::OPT_fdelayed_template_parsing,
+ options::OPT_fno_delayed_template_parsing,
+ getToolChain().getTriple().getOS() == llvm::Triple::Win32))
+ CmdArgs.push_back("-fdelayed-template-parsing");
+
+ // -fgnu-keywords default varies depending on language; only pass if
+ // specified.
+ if (Arg *A = Args.getLastArg(options::OPT_fgnu_keywords,
+ options::OPT_fno_gnu_keywords))
+ A->render(Args, CmdArgs);
+
+ if (Args.hasFlag(options::OPT_fgnu89_inline,
+ options::OPT_fno_gnu89_inline,
+ false))
+ CmdArgs.push_back("-fgnu89-inline");
+
+ if (Args.hasArg(options::OPT_fno_inline))
+ CmdArgs.push_back("-fno-inline");
+
+ if (Args.hasArg(options::OPT_fno_inline_functions))
+ CmdArgs.push_back("-fno-inline-functions");
+
+ // -fobjc-nonfragile-abi=0 is default.
+ ObjCRuntime objCRuntime;
+ unsigned objcABIVersion = 0;
+ bool NeXTRuntimeIsDefault
+ = (IsRewriter || IsModernRewriter ||
+ getToolChain().getTriple().isOSDarwin());
+ if (Args.hasFlag(options::OPT_fnext_runtime, options::OPT_fgnu_runtime,
+ NeXTRuntimeIsDefault)) {
+ objCRuntime.setKind(ObjCRuntime::NeXT);
+ } else {
+ CmdArgs.push_back("-fgnu-runtime");
+ objCRuntime.setKind(ObjCRuntime::GNU);
+ }
+ getToolChain().configureObjCRuntime(objCRuntime);
+ if (objCRuntime.HasARC)
+ CmdArgs.push_back("-fobjc-runtime-has-arc");
+ if (objCRuntime.HasWeak)
+ CmdArgs.push_back("-fobjc-runtime-has-weak");
+ if (objCRuntime.HasTerminate)
+ CmdArgs.push_back("-fobjc-runtime-has-terminate");
+
+ // Compute the Objective-C ABI "version" to use. Version numbers are
+ // slightly confusing for historical reasons:
+ // 1 - Traditional "fragile" ABI
+ // 2 - Non-fragile ABI, version 1
+ // 3 - Non-fragile ABI, version 2
+ objcABIVersion = 1;
+ // If -fobjc-abi-version= is present, use that to set the version.
+ if (Arg *A = Args.getLastArg(options::OPT_fobjc_abi_version_EQ)) {
+ if (StringRef(A->getValue(Args)) == "1")
+ objcABIVersion = 1;
+ else if (StringRef(A->getValue(Args)) == "2")
+ objcABIVersion = 2;
+ else if (StringRef(A->getValue(Args)) == "3")
+ objcABIVersion = 3;
+ else
+ D.Diag(diag::err_drv_clang_unsupported) << A->getAsString(Args);
+ } else {
+ // Otherwise, determine if we are using the non-fragile ABI.
+ bool NonFragileABIIsDefault =
+ (IsModernRewriter ||
+ (!IsRewriter && getToolChain().IsObjCNonFragileABIDefault()));
+ if (Args.hasFlag(options::OPT_fobjc_nonfragile_abi,
+ options::OPT_fno_objc_nonfragile_abi,
+ NonFragileABIIsDefault)) {
+ // Determine the non-fragile ABI version to use.
+#ifdef DISABLE_DEFAULT_NONFRAGILEABI_TWO
+ unsigned NonFragileABIVersion = 1;
+#else
+ unsigned NonFragileABIVersion = 2;
+#endif
+
+ if (Arg *A = Args.getLastArg(
+ options::OPT_fobjc_nonfragile_abi_version_EQ)) {
+ if (StringRef(A->getValue(Args)) == "1")
+ NonFragileABIVersion = 1;
+ else if (StringRef(A->getValue(Args)) == "2")
+ NonFragileABIVersion = 2;
+ else
+ D.Diag(diag::err_drv_clang_unsupported)
+ << A->getAsString(Args);
+ }
+
+ objcABIVersion = 1 + NonFragileABIVersion;
+ } else {
+ objcABIVersion = 1;
+ }
+ }
+
+ if (objcABIVersion == 1) {
+ CmdArgs.push_back("-fobjc-fragile-abi");
+ } else {
+ // -fobjc-dispatch-method is only relevant with the nonfragile-abi, and
+ // legacy is the default.
+ if (!Args.hasFlag(options::OPT_fobjc_legacy_dispatch,
+ options::OPT_fno_objc_legacy_dispatch,
+ getToolChain().IsObjCLegacyDispatchDefault())) {
+ if (getToolChain().UseObjCMixedDispatch())
+ CmdArgs.push_back("-fobjc-dispatch-method=mixed");
+ else
+ CmdArgs.push_back("-fobjc-dispatch-method=non-legacy");
+ }
+ }
+
+ // -fobjc-default-synthesize-properties=1 is default. This only has an effect
+ // if the nonfragile objc abi is used.
+ if (getToolChain().IsObjCDefaultSynthPropertiesDefault()) {
+ CmdArgs.push_back("-fobjc-default-synthesize-properties");
+ }
+
+ // Allow -fno-objc-arr to trump -fobjc-arr/-fobjc-arc.
+ // NOTE: This logic is duplicated in ToolChains.cpp.
+ bool ARC = isObjCAutoRefCount(Args);
+ if (ARC) {
+ if (!getToolChain().SupportsObjCARC())
+ D.Diag(diag::err_arc_unsupported);
+
+ CmdArgs.push_back("-fobjc-arc");
+
+ // FIXME: It seems like this entire block, and several around it should be
+ // wrapped in isObjC, but for now we just use it here as this is where it
+ // was being used previously.
+ if (types::isCXX(InputType) && types::isObjC(InputType)) {
+ if (getToolChain().GetCXXStdlibType(Args) == ToolChain::CST_Libcxx)
+ CmdArgs.push_back("-fobjc-arc-cxxlib=libc++");
+ else
+ CmdArgs.push_back("-fobjc-arc-cxxlib=libstdc++");
+ }
+
+ // Allow the user to enable full exceptions code emission.
+ // We define off for Objective-CC, on for Objective-C++.
+ if (Args.hasFlag(options::OPT_fobjc_arc_exceptions,
+ options::OPT_fno_objc_arc_exceptions,
+ /*default*/ types::isCXX(InputType)))
+ CmdArgs.push_back("-fobjc-arc-exceptions");
+ }
+
+ // -fobjc-infer-related-result-type is the default, except in the Objective-C
+ // rewriter.
+ if (IsRewriter || IsModernRewriter)
+ CmdArgs.push_back("-fno-objc-infer-related-result-type");
+
+ // Handle -fobjc-gc and -fobjc-gc-only. They are exclusive, and -fobjc-gc-only
+ // takes precedence.
+ const Arg *GCArg = Args.getLastArg(options::OPT_fobjc_gc_only);
+ if (!GCArg)
+ GCArg = Args.getLastArg(options::OPT_fobjc_gc);
+ if (GCArg) {
+ if (ARC) {
+ D.Diag(diag::err_drv_objc_gc_arr)
+ << GCArg->getAsString(Args);
+ } else if (getToolChain().SupportsObjCGC()) {
+ GCArg->render(Args, CmdArgs);
+ } else {
+ // FIXME: We should move this to a hard error.
+ D.Diag(diag::warn_drv_objc_gc_unsupported)
+ << GCArg->getAsString(Args);
+ }
+ }
+
+ // Add exception args.
+ addExceptionArgs(Args, InputType, getToolChain().getTriple(),
+ KernelOrKext, objcABIVersion, CmdArgs);
+
+ if (getToolChain().UseSjLjExceptions())
+ CmdArgs.push_back("-fsjlj-exceptions");
+
+ // C++ "sane" operator new.
+ if (!Args.hasFlag(options::OPT_fassume_sane_operator_new,
+ options::OPT_fno_assume_sane_operator_new))
+ CmdArgs.push_back("-fno-assume-sane-operator-new");
+
+ // -fconstant-cfstrings is default, and may be subject to argument translation
+ // on Darwin.
+ if (!Args.hasFlag(options::OPT_fconstant_cfstrings,
+ options::OPT_fno_constant_cfstrings) ||
+ !Args.hasFlag(options::OPT_mconstant_cfstrings,
+ options::OPT_mno_constant_cfstrings))
+ CmdArgs.push_back("-fno-constant-cfstrings");
+
+ // -fshort-wchar default varies depending on platform; only
+ // pass if specified.
+ if (Arg *A = Args.getLastArg(options::OPT_fshort_wchar))
+ A->render(Args, CmdArgs);
+
+ // -fno-pascal-strings is default, only pass non-default. If the tool chain
+ // happened to translate to -mpascal-strings, we want to back translate here.
+ //
+ // FIXME: This is gross; that translation should be pulled from the
+ // tool chain.
+ if (Args.hasFlag(options::OPT_fpascal_strings,
+ options::OPT_fno_pascal_strings,
+ false) ||
+ Args.hasFlag(options::OPT_mpascal_strings,
+ options::OPT_mno_pascal_strings,
+ false))
+ CmdArgs.push_back("-fpascal-strings");
+
+ // Honor -fpack-struct= and -fpack-struct, if given. Note that
+ // -fno-pack-struct doesn't apply to -fpack-struct=.
+ if (Arg *A = Args.getLastArg(options::OPT_fpack_struct_EQ)) {
+ CmdArgs.push_back("-fpack-struct");
+ CmdArgs.push_back(A->getValue(Args));
+ } else if (Args.hasFlag(options::OPT_fpack_struct,
+ options::OPT_fno_pack_struct, false)) {
+ CmdArgs.push_back("-fpack-struct");
+ CmdArgs.push_back("1");
+ }
+
+ if (Args.hasArg(options::OPT_mkernel) ||
+ Args.hasArg(options::OPT_fapple_kext)) {
+ if (!Args.hasArg(options::OPT_fcommon))
+ CmdArgs.push_back("-fno-common");
+ Args.ClaimAllArgs(options::OPT_fno_common);
+ }
+
+ // -fcommon is default, only pass non-default.
+ else if (!Args.hasFlag(options::OPT_fcommon, options::OPT_fno_common))
+ CmdArgs.push_back("-fno-common");
+
+ // -fsigned-bitfields is default, and clang doesn't yet support
+ // -funsigned-bitfields.
+ if (!Args.hasFlag(options::OPT_fsigned_bitfields,
+ options::OPT_funsigned_bitfields))
+ D.Diag(diag::warn_drv_clang_unsupported)
+ << Args.getLastArg(options::OPT_funsigned_bitfields)->getAsString(Args);
+
+ // -fsigned-bitfields is default, and clang doesn't support -fno-for-scope.
+ if (!Args.hasFlag(options::OPT_ffor_scope,
+ options::OPT_fno_for_scope))
+ D.Diag(diag::err_drv_clang_unsupported)
+ << Args.getLastArg(options::OPT_fno_for_scope)->getAsString(Args);
+
+ // -fcaret-diagnostics is default.
+ if (!Args.hasFlag(options::OPT_fcaret_diagnostics,
+ options::OPT_fno_caret_diagnostics, true))
+ CmdArgs.push_back("-fno-caret-diagnostics");
+
+ // -fdiagnostics-fixit-info is default, only pass non-default.
+ if (!Args.hasFlag(options::OPT_fdiagnostics_fixit_info,
+ options::OPT_fno_diagnostics_fixit_info))
+ CmdArgs.push_back("-fno-diagnostics-fixit-info");
+
+ // Enable -fdiagnostics-show-option by default.
+ if (Args.hasFlag(options::OPT_fdiagnostics_show_option,
+ options::OPT_fno_diagnostics_show_option))
+ CmdArgs.push_back("-fdiagnostics-show-option");
+
+ if (const Arg *A =
+ Args.getLastArg(options::OPT_fdiagnostics_show_category_EQ)) {
+ CmdArgs.push_back("-fdiagnostics-show-category");
+ CmdArgs.push_back(A->getValue(Args));
+ }
+
+ if (const Arg *A =
+ Args.getLastArg(options::OPT_fdiagnostics_format_EQ)) {
+ CmdArgs.push_back("-fdiagnostics-format");
+ CmdArgs.push_back(A->getValue(Args));
+ }
+
+ if (Arg *A = Args.getLastArg(
+ options::OPT_fdiagnostics_show_note_include_stack,
+ options::OPT_fno_diagnostics_show_note_include_stack)) {
+ if (A->getOption().matches(
+ options::OPT_fdiagnostics_show_note_include_stack))
+ CmdArgs.push_back("-fdiagnostics-show-note-include-stack");
+ else
+ CmdArgs.push_back("-fno-diagnostics-show-note-include-stack");
+ }
+
+ // Color diagnostics are the default, unless the terminal doesn't support
+ // them.
+ if (Args.hasFlag(options::OPT_fcolor_diagnostics,
+ options::OPT_fno_color_diagnostics,
+ llvm::sys::Process::StandardErrHasColors()))
+ CmdArgs.push_back("-fcolor-diagnostics");
+
+ if (!Args.hasFlag(options::OPT_fshow_source_location,
+ options::OPT_fno_show_source_location))
+ CmdArgs.push_back("-fno-show-source-location");
+
+ if (!Args.hasFlag(options::OPT_fshow_column,
+ options::OPT_fno_show_column,
+ true))
+ CmdArgs.push_back("-fno-show-column");
+
+ if (!Args.hasFlag(options::OPT_fspell_checking,
+ options::OPT_fno_spell_checking))
+ CmdArgs.push_back("-fno-spell-checking");
+
+
+ // Silently ignore -fasm-blocks for now.
+ (void) Args.hasFlag(options::OPT_fasm_blocks, options::OPT_fno_asm_blocks,
+ false);
+
+ if (Arg *A = Args.getLastArg(options::OPT_fshow_overloads_EQ))
+ A->render(Args, CmdArgs);
+
+ // -fdollars-in-identifiers default varies depending on platform and
+ // language; only pass if specified.
+ if (Arg *A = Args.getLastArg(options::OPT_fdollars_in_identifiers,
+ options::OPT_fno_dollars_in_identifiers)) {
+ if (A->getOption().matches(options::OPT_fdollars_in_identifiers))
+ CmdArgs.push_back("-fdollars-in-identifiers");
+ else
+ CmdArgs.push_back("-fno-dollars-in-identifiers");
+ }
+
+ // -funit-at-a-time is default, and we don't support -fno-unit-at-a-time for
+ // practical purposes.
+ if (Arg *A = Args.getLastArg(options::OPT_funit_at_a_time,
+ options::OPT_fno_unit_at_a_time)) {
+ if (A->getOption().matches(options::OPT_fno_unit_at_a_time))
+ D.Diag(diag::warn_drv_clang_unsupported) << A->getAsString(Args);
+ }
+
+ if (Args.hasFlag(options::OPT_fapple_pragma_pack,
+ options::OPT_fno_apple_pragma_pack, false))
+ CmdArgs.push_back("-fapple-pragma-pack");
+
+ // Default to -fno-builtin-str{cat,cpy} on Darwin for ARM.
+ //
+ // FIXME: This is disabled until clang -cc1 supports -fno-builtin-foo. PR4941.
+#if 0
+ if (getToolChain().getTriple().isOSDarwin() &&
+ (getToolChain().getTriple().getArch() == llvm::Triple::arm ||
+ getToolChain().getTriple().getArch() == llvm::Triple::thumb)) {
+ if (!Args.hasArg(options::OPT_fbuiltin_strcat))
+ CmdArgs.push_back("-fno-builtin-strcat");
+ if (!Args.hasArg(options::OPT_fbuiltin_strcpy))
+ CmdArgs.push_back("-fno-builtin-strcpy");
+ }
+#endif
+
+ // Only allow -traditional or -traditional-cpp outside in preprocessing modes.
+ if (Arg *A = Args.getLastArg(options::OPT_traditional,
+ options::OPT_traditional_cpp)) {
+ if (isa<PreprocessJobAction>(JA))
+ CmdArgs.push_back("-traditional-cpp");
+ else
+ D.Diag(diag::err_drv_clang_unsupported) << A->getAsString(Args);
+ }
+
+ Args.AddLastArg(CmdArgs, options::OPT_dM);
+ Args.AddLastArg(CmdArgs, options::OPT_dD);
+
+ // Handle serialized diagnostics.
+ if (Arg *A = Args.getLastArg(options::OPT__serialize_diags)) {
+ CmdArgs.push_back("-serialize-diagnostic-file");
+ CmdArgs.push_back(Args.MakeArgString(A->getValue(Args)));
+ }
+
+ // Forward -Xclang arguments to -cc1, and -mllvm arguments to the LLVM option
+ // parser.
+ Args.AddAllArgValues(CmdArgs, options::OPT_Xclang);
+ for (arg_iterator it = Args.filtered_begin(options::OPT_mllvm),
+ ie = Args.filtered_end(); it != ie; ++it) {
+ (*it)->claim();
+
+ // We translate this by hand to the -cc1 argument, since nightly test uses
+ // it and developers have been trained to spell it with -mllvm.
+ if (StringRef((*it)->getValue(Args, 0)) == "-disable-llvm-optzns")
+ CmdArgs.push_back("-disable-llvm-optzns");
+ else
+ (*it)->render(Args, CmdArgs);
+ }
+
+ if (Output.getType() == types::TY_Dependencies) {
+ // Handled with other dependency code.
+ } else if (Output.isFilename()) {
+ CmdArgs.push_back("-o");
+ CmdArgs.push_back(Output.getFilename());
+ } else {
+ assert(Output.isNothing() && "Invalid output.");
+ }
+
+ for (InputInfoList::const_iterator
+ it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) {
+ const InputInfo &II = *it;
+ CmdArgs.push_back("-x");
+ CmdArgs.push_back(types::getTypeName(II.getType()));
+ if (II.isFilename())
+ CmdArgs.push_back(II.getFilename());
+ else
+ II.getInputArg().renderAsInput(Args, CmdArgs);
+ }
+
+ Args.AddAllArgs(CmdArgs, options::OPT_undef);
+
+ const char *Exec = getToolChain().getDriver().getClangProgramPath();
+
+ // Optionally embed the -cc1 level arguments into the debug info, for build
+ // analysis.
+ if (getToolChain().UseDwarfDebugFlags()) {
+ ArgStringList OriginalArgs;
+ for (ArgList::const_iterator it = Args.begin(),
+ ie = Args.end(); it != ie; ++it)
+ (*it)->render(Args, OriginalArgs);
+
+ SmallString<256> Flags;
+ Flags += Exec;
+ for (unsigned i = 0, e = OriginalArgs.size(); i != e; ++i) {
+ Flags += " ";
+ Flags += OriginalArgs[i];
+ }
+ CmdArgs.push_back("-dwarf-debug-flags");
+ CmdArgs.push_back(Args.MakeArgString(Flags.str()));
+ }
+
+ C.addCommand(new Command(JA, *this, Exec, CmdArgs));
+
+ if (Arg *A = Args.getLastArg(options::OPT_pg))
+ if (Args.hasArg(options::OPT_fomit_frame_pointer))
+ D.Diag(diag::err_drv_argument_not_allowed_with)
+ << "-fomit-frame-pointer" << A->getAsString(Args);
+
+ // Claim some arguments which clang supports automatically.
+
+ // -fpch-preprocess is used with gcc to add a special marker in the output to
+ // include the PCH file. Clang's PTH solution is completely transparent, so we
+ // do not need to deal with it at all.
+ Args.ClaimAllArgs(options::OPT_fpch_preprocess);
+
+ // Claim some arguments which clang doesn't support, but we don't
+ // care to warn the user about.
+ Args.ClaimAllArgs(options::OPT_clang_ignored_f_Group);
+ Args.ClaimAllArgs(options::OPT_clang_ignored_m_Group);
+
+ // Disable warnings for clang -E -use-gold-plugin -emit-llvm foo.c
+ Args.ClaimAllArgs(options::OPT_use_gold_plugin);
+ Args.ClaimAllArgs(options::OPT_emit_llvm);
+}
+
+void ClangAs::AddARMTargetArgs(const ArgList &Args,
+ ArgStringList &CmdArgs) const {
+ const Driver &D = getToolChain().getDriver();
+ llvm::Triple Triple = getToolChain().getTriple();
+
+ // Set the CPU based on -march= and -mcpu=.
+ CmdArgs.push_back("-target-cpu");
+ CmdArgs.push_back(getARMTargetCPU(Args, Triple));
+
+ // Honor -mfpu=.
+ if (const Arg *A = Args.getLastArg(options::OPT_mfpu_EQ))
+ addFPUArgs(D, A, Args, CmdArgs);
+
+ // Honor -mfpmath=.
+ if (const Arg *A = Args.getLastArg(options::OPT_mfpmath_EQ))
+ addFPMathArgs(D, A, Args, CmdArgs, getARMTargetCPU(Args, Triple));
+}
+
+void ClangAs::ConstructJob(Compilation &C, const JobAction &JA,
+ const InputInfo &Output,
+ const InputInfoList &Inputs,
+ const ArgList &Args,
+ const char *LinkingOutput) const {
+ ArgStringList CmdArgs;
+
+ assert(Inputs.size() == 1 && "Unexpected number of inputs.");
+ const InputInfo &Input = Inputs[0];
+
+ // Don't warn about "clang -w -c foo.s"
+ Args.ClaimAllArgs(options::OPT_w);
+ // and "clang -emit-llvm -c foo.s"
+ Args.ClaimAllArgs(options::OPT_emit_llvm);
+ // and "clang -use-gold-plugin -c foo.s"
+ Args.ClaimAllArgs(options::OPT_use_gold_plugin);
+
+ // Invoke ourselves in -cc1as mode.
+ //
+ // FIXME: Implement custom jobs for internal actions.
+ CmdArgs.push_back("-cc1as");
+
+ // Add the "effective" target triple.
+ CmdArgs.push_back("-triple");
+ std::string TripleStr =
+ getToolChain().ComputeEffectiveClangTriple(Args, Input.getType());
+ CmdArgs.push_back(Args.MakeArgString(TripleStr));
+
+ // Set the output mode, we currently only expect to be used as a real
+ // assembler.
+ CmdArgs.push_back("-filetype");
+ CmdArgs.push_back("obj");
+
+ if (UseRelaxAll(C, Args))
+ CmdArgs.push_back("-relax-all");
+
+ // Add target specific cpu and features flags.
+ switch(getToolChain().getTriple().getArch()) {
+ default:
+ break;
+
+ case llvm::Triple::arm:
+ case llvm::Triple::thumb:
+ AddARMTargetArgs(Args, CmdArgs);
+ break;
+ }
+
+ // Ignore explicit -force_cpusubtype_ALL option.
+ (void) Args.hasArg(options::OPT_force__cpusubtype__ALL);
+
+ // Determine the original source input.
+ const Action *SourceAction = &JA;
+ while (SourceAction->getKind() != Action::InputClass) {
+ assert(!SourceAction->getInputs().empty() && "unexpected root action!");
+ SourceAction = SourceAction->getInputs()[0];
+ }
+
+ // Forward -g, assuming we are dealing with an actual assembly file.
+ if (SourceAction->getType() == types::TY_Asm ||
+ SourceAction->getType() == types::TY_PP_Asm) {
+ Args.ClaimAllArgs(options::OPT_g_Group);
+ if (Arg *A = Args.getLastArg(options::OPT_g_Group))
+ if (!A->getOption().matches(options::OPT_g0))
+ CmdArgs.push_back("-g");
+ }
+
+ // Optionally embed the -cc1as level arguments into the debug info, for build
+ // analysis.
+ if (getToolChain().UseDwarfDebugFlags()) {
+ ArgStringList OriginalArgs;
+ for (ArgList::const_iterator it = Args.begin(),
+ ie = Args.end(); it != ie; ++it)
+ (*it)->render(Args, OriginalArgs);
+
+ SmallString<256> Flags;
+ const char *Exec = getToolChain().getDriver().getClangProgramPath();
+ Flags += Exec;
+ for (unsigned i = 0, e = OriginalArgs.size(); i != e; ++i) {
+ Flags += " ";
+ Flags += OriginalArgs[i];
+ }
+ CmdArgs.push_back("-dwarf-debug-flags");
+ CmdArgs.push_back(Args.MakeArgString(Flags.str()));
+ }
+
+ // FIXME: Add -static support, once we have it.
+
+ Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA,
+ options::OPT_Xassembler);
+ Args.AddAllArgs(CmdArgs, options::OPT_mllvm);
+
+ assert(Output.isFilename() && "Unexpected lipo output.");
+ CmdArgs.push_back("-o");
+ CmdArgs.push_back(Output.getFilename());
+
+ assert(Input.isFilename() && "Invalid input.");
+ CmdArgs.push_back(Input.getFilename());
+
+ const char *Exec = getToolChain().getDriver().getClangProgramPath();
+ C.addCommand(new Command(JA, *this, Exec, CmdArgs));
+}
+
+void gcc::Common::ConstructJob(Compilation &C, const JobAction &JA,
+ const InputInfo &Output,
+ const InputInfoList &Inputs,
+ const ArgList &Args,
+ const char *LinkingOutput) const {
+ const Driver &D = getToolChain().getDriver();
+ ArgStringList CmdArgs;
+
+ for (ArgList::const_iterator
+ it = Args.begin(), ie = Args.end(); it != ie; ++it) {
+ Arg *A = *it;
+ if (A->getOption().hasForwardToGCC()) {
+ // Don't forward any -g arguments to assembly steps.
+ if (isa<AssembleJobAction>(JA) &&
+ A->getOption().matches(options::OPT_g_Group))
+ continue;
+
+ // It is unfortunate that we have to claim here, as this means
+ // we will basically never report anything interesting for
+ // platforms using a generic gcc, even if we are just using gcc
+ // to get to the assembler.
+ A->claim();
+ A->render(Args, CmdArgs);
+ }
+ }
+
+ RenderExtraToolArgs(JA, CmdArgs);
+
+ // If using a driver driver, force the arch.
+ const std::string &Arch = getToolChain().getArchName();
+ if (getToolChain().getTriple().isOSDarwin()) {
+ CmdArgs.push_back("-arch");
+
+ // FIXME: Remove these special cases.
+ if (Arch == "powerpc")
+ CmdArgs.push_back("ppc");
+ else if (Arch == "powerpc64")
+ CmdArgs.push_back("ppc64");
+ else
+ CmdArgs.push_back(Args.MakeArgString(Arch));
+ }
+
+ // Try to force gcc to match the tool chain we want, if we recognize
+ // the arch.
+ //
+ // FIXME: The triple class should directly provide the information we want
+ // here.
+ if (Arch == "i386" || Arch == "powerpc")
+ CmdArgs.push_back("-m32");
+ else if (Arch == "x86_64" || Arch == "powerpc64")
+ CmdArgs.push_back("-m64");
+
+ if (Output.isFilename()) {
+ CmdArgs.push_back("-o");
+ CmdArgs.push_back(Output.getFilename());
+ } else {
+ assert(Output.isNothing() && "Unexpected output");
+ CmdArgs.push_back("-fsyntax-only");
+ }
+
+ Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA,
+ options::OPT_Xassembler);
+
+ // Only pass -x if gcc will understand it; otherwise hope gcc
+ // understands the suffix correctly. The main use case this would go
+ // wrong in is for linker inputs if they happened to have an odd
+ // suffix; really the only way to get this to happen is a command
+ // like '-x foobar a.c' which will treat a.c like a linker input.
+ //
+ // FIXME: For the linker case specifically, can we safely convert
+ // inputs into '-Wl,' options?
+ for (InputInfoList::const_iterator
+ it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) {
+ const InputInfo &II = *it;
+
+ // Don't try to pass LLVM or AST inputs to a generic gcc.
+ if (II.getType() == types::TY_LLVM_IR || II.getType() == types::TY_LTO_IR ||
+ II.getType() == types::TY_LLVM_BC || II.getType() == types::TY_LTO_BC)
+ D.Diag(diag::err_drv_no_linker_llvm_support)
+ << getToolChain().getTripleString();
+ else if (II.getType() == types::TY_AST)
+ D.Diag(diag::err_drv_no_ast_support)
+ << getToolChain().getTripleString();
+
+ if (types::canTypeBeUserSpecified(II.getType())) {
+ CmdArgs.push_back("-x");
+ CmdArgs.push_back(types::getTypeName(II.getType()));
+ }
+
+ if (II.isFilename())
+ CmdArgs.push_back(II.getFilename());
+ else {
+ const Arg &A = II.getInputArg();
+
+ // Reverse translate some rewritten options.
+ if (A.getOption().matches(options::OPT_Z_reserved_lib_stdcxx)) {
+ CmdArgs.push_back("-lstdc++");
+ continue;
+ }
+
+ // Don't render as input, we need gcc to do the translations.
+ A.render(Args, CmdArgs);
+ }
+ }
+
+ const std::string customGCCName = D.getCCCGenericGCCName();
+ const char *GCCName;
+ if (!customGCCName.empty())
+ GCCName = customGCCName.c_str();
+ else if (D.CCCIsCXX) {
+ GCCName = "g++";
+ } else
+ GCCName = "gcc";
+
+ const char *Exec =
+ Args.MakeArgString(getToolChain().GetProgramPath(GCCName));
+ C.addCommand(new Command(JA, *this, Exec, CmdArgs));
+}
+
+void gcc::Preprocess::RenderExtraToolArgs(const JobAction &JA,
+ ArgStringList &CmdArgs) const {
+ CmdArgs.push_back("-E");
+}
+
+void gcc::Precompile::RenderExtraToolArgs(const JobAction &JA,
+ ArgStringList &CmdArgs) const {
+ // The type is good enough.
+}
+
+void gcc::Compile::RenderExtraToolArgs(const JobAction &JA,
+ ArgStringList &CmdArgs) const {
+ const Driver &D = getToolChain().getDriver();
+
+ // If -flto, etc. are present then make sure not to force assembly output.
+ if (JA.getType() == types::TY_LLVM_IR || JA.getType() == types::TY_LTO_IR ||
+ JA.getType() == types::TY_LLVM_BC || JA.getType() == types::TY_LTO_BC)
+ CmdArgs.push_back("-c");
+ else {
+ if (JA.getType() != types::TY_PP_Asm)
+ D.Diag(diag::err_drv_invalid_gcc_output_type)
+ << getTypeName(JA.getType());
+
+ CmdArgs.push_back("-S");
+ }
+}
+
+void gcc::Assemble::RenderExtraToolArgs(const JobAction &JA,
+ ArgStringList &CmdArgs) const {
+ CmdArgs.push_back("-c");
+}
+
+void gcc::Link::RenderExtraToolArgs(const JobAction &JA,
+ ArgStringList &CmdArgs) const {
+ // The types are (hopefully) good enough.
+}
+
+// Hexagon tools start.
+void hexagon::Assemble::RenderExtraToolArgs(const JobAction &JA,
+ ArgStringList &CmdArgs) const {
+
+}
+void hexagon::Assemble::ConstructJob(Compilation &C, const JobAction &JA,
+ const InputInfo &Output,
+ const InputInfoList &Inputs,
+ const ArgList &Args,
+ const char *LinkingOutput) const {
+
+ const Driver &D = getToolChain().getDriver();
+ ArgStringList CmdArgs;
+
+ std::string MarchString = "-march=";
+ MarchString += getHexagonTargetCPU(Args);
+ CmdArgs.push_back(Args.MakeArgString(MarchString));
+
+ RenderExtraToolArgs(JA, CmdArgs);
+
+ if (Output.isFilename()) {
+ CmdArgs.push_back("-o");
+ CmdArgs.push_back(Output.getFilename());
+ } else {
+ assert(Output.isNothing() && "Unexpected output");
+ CmdArgs.push_back("-fsyntax-only");
+ }
+
+
+ // Only pass -x if gcc will understand it; otherwise hope gcc
+ // understands the suffix correctly. The main use case this would go
+ // wrong in is for linker inputs if they happened to have an odd
+ // suffix; really the only way to get this to happen is a command
+ // like '-x foobar a.c' which will treat a.c like a linker input.
+ //
+ // FIXME: For the linker case specifically, can we safely convert
+ // inputs into '-Wl,' options?
+ for (InputInfoList::const_iterator
+ it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) {
+ const InputInfo &II = *it;
+
+ // Don't try to pass LLVM or AST inputs to a generic gcc.
+ if (II.getType() == types::TY_LLVM_IR || II.getType() == types::TY_LTO_IR ||
+ II.getType() == types::TY_LLVM_BC || II.getType() == types::TY_LTO_BC)
+ D.Diag(clang::diag::err_drv_no_linker_llvm_support)
+ << getToolChain().getTripleString();
+ else if (II.getType() == types::TY_AST)
+ D.Diag(clang::diag::err_drv_no_ast_support)
+ << getToolChain().getTripleString();
+
+ if (II.isFilename())
+ CmdArgs.push_back(II.getFilename());
+ else
+ // Don't render as input, we need gcc to do the translations. FIXME: Pranav: What is this ?
+ II.getInputArg().render(Args, CmdArgs);
+ }
+
+ const char *GCCName = "hexagon-as";
+ const char *Exec =
+ Args.MakeArgString(getToolChain().GetProgramPath(GCCName));
+ C.addCommand(new Command(JA, *this, Exec, CmdArgs));
+
+}
+void hexagon::Link::RenderExtraToolArgs(const JobAction &JA,
+ ArgStringList &CmdArgs) const {
+ // The types are (hopefully) good enough.
+}
+
+void hexagon::Link::ConstructJob(Compilation &C, const JobAction &JA,
+ const InputInfo &Output,
+ const InputInfoList &Inputs,
+ const ArgList &Args,
+ const char *LinkingOutput) const {
+
+ const Driver &D = getToolChain().getDriver();
+ ArgStringList CmdArgs;
+
+ for (ArgList::const_iterator
+ it = Args.begin(), ie = Args.end(); it != ie; ++it) {
+ Arg *A = *it;
+ if (A->getOption().hasForwardToGCC()) {
+ // Don't forward any -g arguments to assembly steps.
+ if (isa<AssembleJobAction>(JA) &&
+ A->getOption().matches(options::OPT_g_Group))
+ continue;
+
+ // It is unfortunate that we have to claim here, as this means
+ // we will basically never report anything interesting for
+ // platforms using a generic gcc, even if we are just using gcc
+ // to get to the assembler.
+ A->claim();
+ A->render(Args, CmdArgs);
+ }
+ }
+
+ RenderExtraToolArgs(JA, CmdArgs);
+
+ // Add Arch Information
+ Arg *A;
+ if ((A = getLastHexagonArchArg(Args))) {
+ if (A->getOption().matches(options::OPT_m_Joined))
+ A->render(Args, CmdArgs);
+ else
+ CmdArgs.push_back (Args.MakeArgString("-m" + getHexagonTargetCPU(Args)));
+ }
+ else {
+ CmdArgs.push_back (Args.MakeArgString("-m" + getHexagonTargetCPU(Args)));
+ }
+
+ CmdArgs.push_back("-mqdsp6-compat");
+
+ const char *GCCName;
+ if (C.getDriver().CCCIsCXX)
+ GCCName = "hexagon-g++";
+ else
+ GCCName = "hexagon-gcc";
+ const char *Exec =
+ Args.MakeArgString(getToolChain().GetProgramPath(GCCName));
+
+ if (Output.isFilename()) {
+ CmdArgs.push_back("-o");
+ CmdArgs.push_back(Output.getFilename());
+ }
+
+ for (InputInfoList::const_iterator
+ it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) {
+ const InputInfo &II = *it;
+
+ // Don't try to pass LLVM or AST inputs to a generic gcc.
+ if (II.getType() == types::TY_LLVM_IR || II.getType() == types::TY_LTO_IR ||
+ II.getType() == types::TY_LLVM_BC || II.getType() == types::TY_LTO_BC)
+ D.Diag(clang::diag::err_drv_no_linker_llvm_support)
+ << getToolChain().getTripleString();
+ else if (II.getType() == types::TY_AST)
+ D.Diag(clang::diag::err_drv_no_ast_support)
+ << getToolChain().getTripleString();
+
+ if (II.isFilename())
+ CmdArgs.push_back(II.getFilename());
+ else
+ // Don't render as input, we need gcc to do the translations. FIXME: Pranav: What is this ?
+ II.getInputArg().render(Args, CmdArgs);
+ }
+ C.addCommand(new Command(JA, *this, Exec, CmdArgs));
+
+}
+// Hexagon tools end.
+
+
+const char *darwin::CC1::getCC1Name(types::ID Type) const {
+ switch (Type) {
+ default:
+ llvm_unreachable("Unexpected type for Darwin CC1 tool.");
+ case types::TY_Asm:
+ case types::TY_C: case types::TY_CHeader:
+ case types::TY_PP_C: case types::TY_PP_CHeader:
+ return "cc1";
+ case types::TY_ObjC: case types::TY_ObjCHeader:
+ case types::TY_PP_ObjC: case types::TY_PP_ObjC_Alias:
+ case types::TY_PP_ObjCHeader:
+ return "cc1obj";
+ case types::TY_CXX: case types::TY_CXXHeader:
+ case types::TY_PP_CXX: case types::TY_PP_CXXHeader:
+ return "cc1plus";
+ case types::TY_ObjCXX: case types::TY_ObjCXXHeader:
+ case types::TY_PP_ObjCXX: case types::TY_PP_ObjCXX_Alias:
+ case types::TY_PP_ObjCXXHeader:
+ return "cc1objplus";
+ }
+}
+
+void darwin::CC1::anchor() {}
+
+const char *darwin::CC1::getBaseInputName(const ArgList &Args,
+ const InputInfoList &Inputs) {
+ return Args.MakeArgString(
+ llvm::sys::path::filename(Inputs[0].getBaseInput()));
+}
+
+const char *darwin::CC1::getBaseInputStem(const ArgList &Args,
+ const InputInfoList &Inputs) {
+ const char *Str = getBaseInputName(Args, Inputs);
+
+ if (const char *End = strrchr(Str, '.'))
+ return Args.MakeArgString(std::string(Str, End));
+
+ return Str;
+}
+
+const char *
+darwin::CC1::getDependencyFileName(const ArgList &Args,
+ const InputInfoList &Inputs) {
+ // FIXME: Think about this more.
+ std::string Res;
+
+ if (Arg *OutputOpt = Args.getLastArg(options::OPT_o)) {
+ std::string Str(OutputOpt->getValue(Args));
+ Res = Str.substr(0, Str.rfind('.'));
+ } else {
+ Res = darwin::CC1::getBaseInputStem(Args, Inputs);
+ }
+ return Args.MakeArgString(Res + ".d");
+}
+
+void darwin::CC1::RemoveCC1UnsupportedArgs(ArgStringList &CmdArgs) const {
+ for (ArgStringList::iterator it = CmdArgs.begin(), ie = CmdArgs.end();
+ it != ie;) {
+
+ StringRef Option = *it;
+ bool RemoveOption = false;
+
+ // Erase both -fmodule-cache-path and its argument.
+ if (Option.equals("-fmodule-cache-path") && it+2 != ie) {
+ it = CmdArgs.erase(it, it+2);
+ ie = CmdArgs.end();
+ continue;
+ }
+
+ // Remove unsupported -f options.
+ if (Option.startswith("-f")) {
+ // Remove -f/-fno- to reduce the number of cases.
+ if (Option.startswith("-fno-"))
+ Option = Option.substr(5);
+ else
+ Option = Option.substr(2);
+ RemoveOption = llvm::StringSwitch<bool>(Option)
+ .Case("altivec", true)
+ .Case("modules", true)
+ .Case("diagnostics-show-note-include-stack", true)
+ .Default(false);
+ }
+
+ // Handle machine specific options.
+ if (Option.startswith("-m")) {
+ RemoveOption = llvm::StringSwitch<bool>(Option)
+ .Case("-mthumb", true)
+ .Case("-mno-thumb", true)
+ .Case("-mno-fused-madd", true)
+ .Case("-mlong-branch", true)
+ .Case("-mlongcall", true)
+ .Case("-mcpu=G4", true)
+ .Case("-mcpu=G5", true)
+ .Default(false);
+ }
+
+ // Handle warning options.
+ if (Option.startswith("-W")) {
+ // Remove -W/-Wno- to reduce the number of cases.
+ if (Option.startswith("-Wno-"))
+ Option = Option.substr(5);
+ else
+ Option = Option.substr(2);
+
+ RemoveOption = llvm::StringSwitch<bool>(Option)
+ .Case("address-of-temporary", true)
+ .Case("ambiguous-member-template", true)
+ .Case("analyzer-incompatible-plugin", true)
+ .Case("array-bounds", true)
+ .Case("array-bounds-pointer-arithmetic", true)
+ .Case("bind-to-temporary-copy", true)
+ .Case("bitwise-op-parentheses", true)
+ .Case("bool-conversions", true)
+ .Case("builtin-macro-redefined", true)
+ .Case("c++-hex-floats", true)
+ .Case("c++0x-compat", true)
+ .Case("c++0x-extensions", true)
+ .Case("c++0x-narrowing", true)
+ .Case("c++11-compat", true)
+ .Case("c++11-extensions", true)
+ .Case("c++11-narrowing", true)
+ .Case("conditional-uninitialized", true)
+ .Case("constant-conversion", true)
+ .Case("conversion-null", true)
+ .Case("CFString-literal", true)
+ .Case("constant-logical-operand", true)
+ .Case("custom-atomic-properties", true)
+ .Case("default-arg-special-member", true)
+ .Case("delegating-ctor-cycles", true)
+ .Case("delete-non-virtual-dtor", true)
+ .Case("deprecated-implementations", true)
+ .Case("deprecated-writable-strings", true)
+ .Case("distributed-object-modifiers", true)
+ .Case("duplicate-method-arg", true)
+ .Case("dynamic-class-memaccess", true)
+ .Case("enum-compare", true)
+ .Case("exit-time-destructors", true)
+ .Case("gnu", true)
+ .Case("gnu-designator", true)
+ .Case("header-hygiene", true)
+ .Case("idiomatic-parentheses", true)
+ .Case("ignored-qualifiers", true)
+ .Case("implicit-atomic-properties", true)
+ .Case("incompatible-pointer-types", true)
+ .Case("incomplete-implementation", true)
+ .Case("initializer-overrides", true)
+ .Case("invalid-noreturn", true)
+ .Case("invalid-token-paste", true)
+ .Case("language-extension-token", true)
+ .Case("literal-conversion", true)
+ .Case("literal-range", true)
+ .Case("local-type-template-args", true)
+ .Case("logical-op-parentheses", true)
+ .Case("method-signatures", true)
+ .Case("microsoft", true)
+ .Case("mismatched-tags", true)
+ .Case("missing-method-return-type", true)
+ .Case("non-pod-varargs", true)
+ .Case("nonfragile-abi2", true)
+ .Case("null-arithmetic", true)
+ .Case("null-dereference", true)
+ .Case("out-of-line-declaration", true)
+ .Case("overriding-method-mismatch", true)
+ .Case("readonly-setter-attrs", true)
+ .Case("return-stack-address", true)
+ .Case("self-assign", true)
+ .Case("semicolon-before-method-body", true)
+ .Case("sentinel", true)
+ .Case("shift-overflow", true)
+ .Case("shift-sign-overflow", true)
+ .Case("sign-conversion", true)
+ .Case("sizeof-array-argument", true)
+ .Case("sizeof-pointer-memaccess", true)
+ .Case("string-compare", true)
+ .Case("super-class-method-mismatch", true)
+ .Case("tautological-compare", true)
+ .Case("typedef-redefinition", true)
+ .Case("typename-missing", true)
+ .Case("undefined-reinterpret-cast", true)
+ .Case("unknown-warning-option", true)
+ .Case("unnamed-type-template-args", true)
+ .Case("unneeded-internal-declaration", true)
+ .Case("unneeded-member-function", true)
+ .Case("unused-comparison", true)
+ .Case("unused-exception-parameter", true)
+ .Case("unused-member-function", true)
+ .Case("unused-result", true)
+ .Case("vector-conversions", true)
+ .Case("vla", true)
+ .Case("used-but-marked-unused", true)
+ .Case("weak-vtables", true)
+ .Default(false);
+ } // if (Option.startswith("-W"))
+ if (RemoveOption) {
+ it = CmdArgs.erase(it);
+ ie = CmdArgs.end();
+ } else {
+ ++it;
+ }
+ }
+}
+
+void darwin::CC1::AddCC1Args(const ArgList &Args,
+ ArgStringList &CmdArgs) const {
+ const Driver &D = getToolChain().getDriver();
+
+ CheckCodeGenerationOptions(D, Args);
+
+ // Derived from cc1 spec.
+ if (!Args.hasArg(options::OPT_mkernel) && !Args.hasArg(options::OPT_static) &&
+ !Args.hasArg(options::OPT_mdynamic_no_pic))
+ CmdArgs.push_back("-fPIC");
+
+ if (getToolChain().getTriple().getArch() == llvm::Triple::arm ||
+ getToolChain().getTriple().getArch() == llvm::Triple::thumb) {
+ if (!Args.hasArg(options::OPT_fbuiltin_strcat))
+ CmdArgs.push_back("-fno-builtin-strcat");
+ if (!Args.hasArg(options::OPT_fbuiltin_strcpy))
+ CmdArgs.push_back("-fno-builtin-strcpy");
+ }
+
+ if (Args.hasArg(options::OPT_g_Flag) &&
+ !Args.hasArg(options::OPT_fno_eliminate_unused_debug_symbols))
+ CmdArgs.push_back("-feliminate-unused-debug-symbols");
+}
+
+void darwin::CC1::AddCC1OptionsArgs(const ArgList &Args, ArgStringList &CmdArgs,
+ const InputInfoList &Inputs,
+ const ArgStringList &OutputArgs) const {
+ const Driver &D = getToolChain().getDriver();
+
+ // Derived from cc1_options spec.
+ if (Args.hasArg(options::OPT_fast) ||
+ Args.hasArg(options::OPT_fastf) ||
+ Args.hasArg(options::OPT_fastcp))
+ CmdArgs.push_back("-O3");
+
+ if (Arg *A = Args.getLastArg(options::OPT_pg))
+ if (Args.hasArg(options::OPT_fomit_frame_pointer))
+ D.Diag(diag::err_drv_argument_not_allowed_with)
+ << A->getAsString(Args) << "-fomit-frame-pointer";
+
+ AddCC1Args(Args, CmdArgs);
+
+ if (!Args.hasArg(options::OPT_Q))
+ CmdArgs.push_back("-quiet");
+
+ CmdArgs.push_back("-dumpbase");
+ CmdArgs.push_back(darwin::CC1::getBaseInputName(Args, Inputs));
+
+ Args.AddAllArgs(CmdArgs, options::OPT_d_Group);
+
+ Args.AddAllArgs(CmdArgs, options::OPT_m_Group);
+ Args.AddAllArgs(CmdArgs, options::OPT_a_Group);
+
+ // FIXME: The goal is to use the user provided -o if that is our
+ // final output, otherwise to drive from the original input
+ // name. Find a clean way to go about this.
+ if ((Args.hasArg(options::OPT_c) || Args.hasArg(options::OPT_S)) &&
+ Args.hasArg(options::OPT_o)) {
+ Arg *OutputOpt = Args.getLastArg(options::OPT_o);
+ CmdArgs.push_back("-auxbase-strip");
+ CmdArgs.push_back(OutputOpt->getValue(Args));
+ } else {
+ CmdArgs.push_back("-auxbase");
+ CmdArgs.push_back(darwin::CC1::getBaseInputStem(Args, Inputs));
+ }
+
+ Args.AddAllArgs(CmdArgs, options::OPT_g_Group);
+
+ Args.AddAllArgs(CmdArgs, options::OPT_O);
+ // FIXME: -Wall is getting some special treatment. Investigate.
+ Args.AddAllArgs(CmdArgs, options::OPT_W_Group, options::OPT_pedantic_Group);
+ Args.AddLastArg(CmdArgs, options::OPT_w);
+ Args.AddAllArgs(CmdArgs, options::OPT_std_EQ, options::OPT_ansi,
+ options::OPT_trigraphs);
+ if (!Args.getLastArg(options::OPT_std_EQ, options::OPT_ansi)) {
+ // Honor -std-default.
+ Args.AddAllArgsTranslated(CmdArgs, options::OPT_std_default_EQ,
+ "-std=", /*Joined=*/true);
+ }
+
+ if (Args.hasArg(options::OPT_v))
+ CmdArgs.push_back("-version");
+ if (Args.hasArg(options::OPT_pg) &&
+ getToolChain().SupportsProfiling())
+ CmdArgs.push_back("-p");
+ Args.AddLastArg(CmdArgs, options::OPT_p);
+
+ // The driver treats -fsyntax-only specially.
+ if (getToolChain().getTriple().getArch() == llvm::Triple::arm ||
+ getToolChain().getTriple().getArch() == llvm::Triple::thumb) {
+ // Removes -fbuiltin-str{cat,cpy}; these aren't recognized by cc1 but are
+ // used to inhibit the default -fno-builtin-str{cat,cpy}.
+ //
+ // FIXME: Should we grow a better way to deal with "removing" args?
+ for (arg_iterator it = Args.filtered_begin(options::OPT_f_Group,
+ options::OPT_fsyntax_only),
+ ie = Args.filtered_end(); it != ie; ++it) {
+ if (!(*it)->getOption().matches(options::OPT_fbuiltin_strcat) &&
+ !(*it)->getOption().matches(options::OPT_fbuiltin_strcpy)) {
+ (*it)->claim();
+ (*it)->render(Args, CmdArgs);
+ }
+ }
+ } else
+ Args.AddAllArgs(CmdArgs, options::OPT_f_Group, options::OPT_fsyntax_only);
+
+ // Claim Clang only -f options, they aren't worth warning about.
+ Args.ClaimAllArgs(options::OPT_f_clang_Group);
+
+ Args.AddAllArgs(CmdArgs, options::OPT_undef);
+ if (Args.hasArg(options::OPT_Qn))
+ CmdArgs.push_back("-fno-ident");
+
+ // FIXME: This isn't correct.
+ //Args.AddLastArg(CmdArgs, options::OPT__help)
+ //Args.AddLastArg(CmdArgs, options::OPT__targetHelp)
+
+ CmdArgs.append(OutputArgs.begin(), OutputArgs.end());
+
+ // FIXME: Still don't get what is happening here. Investigate.
+ Args.AddAllArgs(CmdArgs, options::OPT__param);
+
+ if (Args.hasArg(options::OPT_fmudflap) ||
+ Args.hasArg(options::OPT_fmudflapth)) {
+ CmdArgs.push_back("-fno-builtin");
+ CmdArgs.push_back("-fno-merge-constants");
+ }
+
+ if (Args.hasArg(options::OPT_coverage)) {
+ CmdArgs.push_back("-fprofile-arcs");
+ CmdArgs.push_back("-ftest-coverage");
+ }
+
+ if (types::isCXX(Inputs[0].getType()))
+ CmdArgs.push_back("-D__private_extern__=extern");
+}
+
+void darwin::CC1::AddCPPOptionsArgs(const ArgList &Args, ArgStringList &CmdArgs,
+ const InputInfoList &Inputs,
+ const ArgStringList &OutputArgs) const {
+ // Derived from cpp_options
+ AddCPPUniqueOptionsArgs(Args, CmdArgs, Inputs);
+
+ CmdArgs.append(OutputArgs.begin(), OutputArgs.end());
+
+ AddCC1Args(Args, CmdArgs);
+
+ // NOTE: The code below has some commonality with cpp_options, but
+ // in classic gcc style ends up sending things in different
+ // orders. This may be a good merge candidate once we drop pedantic
+ // compatibility.
+
+ Args.AddAllArgs(CmdArgs, options::OPT_m_Group);
+ Args.AddAllArgs(CmdArgs, options::OPT_std_EQ, options::OPT_ansi,
+ options::OPT_trigraphs);
+ if (!Args.getLastArg(options::OPT_std_EQ, options::OPT_ansi)) {
+ // Honor -std-default.
+ Args.AddAllArgsTranslated(CmdArgs, options::OPT_std_default_EQ,
+ "-std=", /*Joined=*/true);
+ }
+ Args.AddAllArgs(CmdArgs, options::OPT_W_Group, options::OPT_pedantic_Group);
+ Args.AddLastArg(CmdArgs, options::OPT_w);
+
+ // The driver treats -fsyntax-only specially.
+ Args.AddAllArgs(CmdArgs, options::OPT_f_Group, options::OPT_fsyntax_only);
+
+ // Claim Clang only -f options, they aren't worth warning about.
+ Args.ClaimAllArgs(options::OPT_f_clang_Group);
+
+ if (Args.hasArg(options::OPT_g_Group) && !Args.hasArg(options::OPT_g0) &&
+ !Args.hasArg(options::OPT_fno_working_directory))
+ CmdArgs.push_back("-fworking-directory");
+
+ Args.AddAllArgs(CmdArgs, options::OPT_O);
+ Args.AddAllArgs(CmdArgs, options::OPT_undef);
+ if (Args.hasArg(options::OPT_save_temps))
+ CmdArgs.push_back("-fpch-preprocess");
+}
+
+void darwin::CC1::AddCPPUniqueOptionsArgs(const ArgList &Args,
+ ArgStringList &CmdArgs,
+ const InputInfoList &Inputs) const {
+ const Driver &D = getToolChain().getDriver();
+
+ CheckPreprocessingOptions(D, Args);
+
+ // Derived from cpp_unique_options.
+ // -{C,CC} only with -E is checked in CheckPreprocessingOptions().
+ Args.AddLastArg(CmdArgs, options::OPT_C);
+ Args.AddLastArg(CmdArgs, options::OPT_CC);
+ if (!Args.hasArg(options::OPT_Q))
+ CmdArgs.push_back("-quiet");
+ Args.AddAllArgs(CmdArgs, options::OPT_nostdinc);
+ Args.AddAllArgs(CmdArgs, options::OPT_nostdincxx);
+ Args.AddLastArg(CmdArgs, options::OPT_v);
+ Args.AddAllArgs(CmdArgs, options::OPT_I_Group, options::OPT_F);
+ Args.AddLastArg(CmdArgs, options::OPT_P);
+
+ // FIXME: Handle %I properly.
+ if (getToolChain().getArchName() == "x86_64") {
+ CmdArgs.push_back("-imultilib");
+ CmdArgs.push_back("x86_64");
+ }
+
+ if (Args.hasArg(options::OPT_MD)) {
+ CmdArgs.push_back("-MD");
+ CmdArgs.push_back(darwin::CC1::getDependencyFileName(Args, Inputs));
+ }
+
+ if (Args.hasArg(options::OPT_MMD)) {
+ CmdArgs.push_back("-MMD");
+ CmdArgs.push_back(darwin::CC1::getDependencyFileName(Args, Inputs));
+ }
+
+ Args.AddLastArg(CmdArgs, options::OPT_M);
+ Args.AddLastArg(CmdArgs, options::OPT_MM);
+ Args.AddAllArgs(CmdArgs, options::OPT_MF);
+ Args.AddLastArg(CmdArgs, options::OPT_MG);
+ Args.AddLastArg(CmdArgs, options::OPT_MP);
+ Args.AddAllArgs(CmdArgs, options::OPT_MQ);
+ Args.AddAllArgs(CmdArgs, options::OPT_MT);
+ if (!Args.hasArg(options::OPT_M) && !Args.hasArg(options::OPT_MM) &&
+ (Args.hasArg(options::OPT_MD) || Args.hasArg(options::OPT_MMD))) {
+ if (Arg *OutputOpt = Args.getLastArg(options::OPT_o)) {
+ CmdArgs.push_back("-MQ");
+ CmdArgs.push_back(OutputOpt->getValue(Args));
+ }
+ }
+
+ Args.AddLastArg(CmdArgs, options::OPT_remap);
+ if (Args.hasArg(options::OPT_g3))
+ CmdArgs.push_back("-dD");
+ Args.AddLastArg(CmdArgs, options::OPT_H);
+
+ AddCPPArgs(Args, CmdArgs);
+
+ Args.AddAllArgs(CmdArgs, options::OPT_D, options::OPT_U, options::OPT_A);
+ Args.AddAllArgs(CmdArgs, options::OPT_i_Group);
+
+ for (InputInfoList::const_iterator
+ it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) {
+ const InputInfo &II = *it;
+
+ CmdArgs.push_back(II.getFilename());
+ }
+
+ Args.AddAllArgValues(CmdArgs, options::OPT_Wp_COMMA,
+ options::OPT_Xpreprocessor);
+
+ if (Args.hasArg(options::OPT_fmudflap)) {
+ CmdArgs.push_back("-D_MUDFLAP");
+ CmdArgs.push_back("-include");
+ CmdArgs.push_back("mf-runtime.h");
+ }
+
+ if (Args.hasArg(options::OPT_fmudflapth)) {
+ CmdArgs.push_back("-D_MUDFLAP");
+ CmdArgs.push_back("-D_MUDFLAPTH");
+ CmdArgs.push_back("-include");
+ CmdArgs.push_back("mf-runtime.h");
+ }
+}
+
+void darwin::CC1::AddCPPArgs(const ArgList &Args,
+ ArgStringList &CmdArgs) const {
+ // Derived from cpp spec.
+
+ if (Args.hasArg(options::OPT_static)) {
+ // The gcc spec is broken here, it refers to dynamic but
+ // that has been translated. Start by being bug compatible.
+
+ // if (!Args.hasArg(arglist.parser.dynamicOption))
+ CmdArgs.push_back("-D__STATIC__");
+ } else
+ CmdArgs.push_back("-D__DYNAMIC__");
+
+ if (Args.hasArg(options::OPT_pthread))
+ CmdArgs.push_back("-D_REENTRANT");
+}
+
+void darwin::Preprocess::ConstructJob(Compilation &C, const JobAction &JA,
+ const InputInfo &Output,
+ const InputInfoList &Inputs,
+ const ArgList &Args,
+ const char *LinkingOutput) const {
+ ArgStringList CmdArgs;
+
+ assert(Inputs.size() == 1 && "Unexpected number of inputs!");
+
+ CmdArgs.push_back("-E");
+
+ if (Args.hasArg(options::OPT_traditional) ||
+ Args.hasArg(options::OPT_traditional_cpp))
+ CmdArgs.push_back("-traditional-cpp");
+
+ ArgStringList OutputArgs;
+ assert(Output.isFilename() && "Unexpected CC1 output.");
+ OutputArgs.push_back("-o");
+ OutputArgs.push_back(Output.getFilename());
+
+ if (Args.hasArg(options::OPT_E) || getToolChain().getDriver().CCCIsCPP) {
+ AddCPPOptionsArgs(Args, CmdArgs, Inputs, OutputArgs);
+ } else {
+ AddCPPOptionsArgs(Args, CmdArgs, Inputs, ArgStringList());
+ CmdArgs.append(OutputArgs.begin(), OutputArgs.end());
+ }
+
+ Args.AddAllArgs(CmdArgs, options::OPT_d_Group);
+
+ RemoveCC1UnsupportedArgs(CmdArgs);
+
+ const char *CC1Name = getCC1Name(Inputs[0].getType());
+ const char *Exec =
+ Args.MakeArgString(getToolChain().GetProgramPath(CC1Name));
+ C.addCommand(new Command(JA, *this, Exec, CmdArgs));
+}
+
+void darwin::Compile::ConstructJob(Compilation &C, const JobAction &JA,
+ const InputInfo &Output,
+ const InputInfoList &Inputs,
+ const ArgList &Args,
+ const char *LinkingOutput) const {
+ const Driver &D = getToolChain().getDriver();
+ ArgStringList CmdArgs;
+
+ assert(Inputs.size() == 1 && "Unexpected number of inputs!");
+
+ // Silence warning about unused --serialize-diagnostics
+ Args.ClaimAllArgs(options::OPT__serialize_diags);
+
+ types::ID InputType = Inputs[0].getType();
+ if (const Arg *A = Args.getLastArg(options::OPT_traditional))
+ D.Diag(diag::err_drv_argument_only_allowed_with)
+ << A->getAsString(Args) << "-E";
+
+ if (JA.getType() == types::TY_LLVM_IR ||
+ JA.getType() == types::TY_LTO_IR)
+ CmdArgs.push_back("-emit-llvm");
+ else if (JA.getType() == types::TY_LLVM_BC ||
+ JA.getType() == types::TY_LTO_BC)
+ CmdArgs.push_back("-emit-llvm-bc");
+ else if (Output.getType() == types::TY_AST)
+ D.Diag(diag::err_drv_no_ast_support)
+ << getToolChain().getTripleString();
+ else if (JA.getType() != types::TY_PP_Asm &&
+ JA.getType() != types::TY_PCH)
+ D.Diag(diag::err_drv_invalid_gcc_output_type)
+ << getTypeName(JA.getType());
+
+ ArgStringList OutputArgs;
+ if (Output.getType() != types::TY_PCH) {
+ OutputArgs.push_back("-o");
+ if (Output.isNothing())
+ OutputArgs.push_back("/dev/null");
+ else
+ OutputArgs.push_back(Output.getFilename());
+ }
+
+ // There is no need for this level of compatibility, but it makes
+ // diffing easier.
+ bool OutputArgsEarly = (Args.hasArg(options::OPT_fsyntax_only) ||
+ Args.hasArg(options::OPT_S));
+
+ if (types::getPreprocessedType(InputType) != types::TY_INVALID) {
+ AddCPPUniqueOptionsArgs(Args, CmdArgs, Inputs);
+ if (OutputArgsEarly) {
+ AddCC1OptionsArgs(Args, CmdArgs, Inputs, OutputArgs);
+ } else {
+ AddCC1OptionsArgs(Args, CmdArgs, Inputs, ArgStringList());
+ CmdArgs.append(OutputArgs.begin(), OutputArgs.end());
+ }
+ } else {
+ CmdArgs.push_back("-fpreprocessed");
+
+ for (InputInfoList::const_iterator
+ it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) {
+ const InputInfo &II = *it;
+
+ // Reject AST inputs.
+ if (II.getType() == types::TY_AST) {
+ D.Diag(diag::err_drv_no_ast_support)
+ << getToolChain().getTripleString();
+ return;
+ }
+
+ CmdArgs.push_back(II.getFilename());
+ }
+
+ if (OutputArgsEarly) {
+ AddCC1OptionsArgs(Args, CmdArgs, Inputs, OutputArgs);
+ } else {
+ AddCC1OptionsArgs(Args, CmdArgs, Inputs, ArgStringList());
+ CmdArgs.append(OutputArgs.begin(), OutputArgs.end());
+ }
+ }
+
+ if (Output.getType() == types::TY_PCH) {
+ assert(Output.isFilename() && "Invalid PCH output.");
+
+ CmdArgs.push_back("-o");
+ // NOTE: gcc uses a temp .s file for this, but there doesn't seem
+ // to be a good reason.
+ const char *TmpPath = C.getArgs().MakeArgString(
+ D.GetTemporaryPath("cc", "s"));
+ C.addTempFile(TmpPath);
+ CmdArgs.push_back(TmpPath);
+
+ // If we're emitting a pch file with the last 4 characters of ".pth"
+ // and falling back to llvm-gcc we want to use ".gch" instead.
+ std::string OutputFile(Output.getFilename());
+ size_t loc = OutputFile.rfind(".pth");
+ if (loc != std::string::npos)
+ OutputFile.replace(loc, 4, ".gch");
+ const char *Tmp = C.getArgs().MakeArgString("--output-pch="+OutputFile);
+ CmdArgs.push_back(Tmp);
+ }
+
+ RemoveCC1UnsupportedArgs(CmdArgs);
+
+ const char *CC1Name = getCC1Name(Inputs[0].getType());
+ const char *Exec =
+ Args.MakeArgString(getToolChain().GetProgramPath(CC1Name));
+ C.addCommand(new Command(JA, *this, Exec, CmdArgs));
+}
+
+void darwin::Assemble::ConstructJob(Compilation &C, const JobAction &JA,
+ const InputInfo &Output,
+ const InputInfoList &Inputs,
+ const ArgList &Args,
+ const char *LinkingOutput) const {
+ ArgStringList CmdArgs;
+
+ assert(Inputs.size() == 1 && "Unexpected number of inputs.");
+ const InputInfo &Input = Inputs[0];
+
+ // Determine the original source input.
+ const Action *SourceAction = &JA;
+ while (SourceAction->getKind() != Action::InputClass) {
+ assert(!SourceAction->getInputs().empty() && "unexpected root action!");
+ SourceAction = SourceAction->getInputs()[0];
+ }
+
+ // Forward -g, assuming we are dealing with an actual assembly file.
+ if (SourceAction->getType() == types::TY_Asm ||
+ SourceAction->getType() == types::TY_PP_Asm) {
+ if (Args.hasArg(options::OPT_gstabs))
+ CmdArgs.push_back("--gstabs");
+ else if (Args.hasArg(options::OPT_g_Group))
+ CmdArgs.push_back("-g");
+ }
+
+ // Derived from asm spec.
+ AddDarwinArch(Args, CmdArgs);
+
+ // Use -force_cpusubtype_ALL on x86 by default.
+ if (getToolChain().getTriple().getArch() == llvm::Triple::x86 ||
+ getToolChain().getTriple().getArch() == llvm::Triple::x86_64 ||
+ Args.hasArg(options::OPT_force__cpusubtype__ALL))
+ CmdArgs.push_back("-force_cpusubtype_ALL");
+
+ if (getToolChain().getTriple().getArch() != llvm::Triple::x86_64 &&
+ (Args.hasArg(options::OPT_mkernel) ||
+ Args.hasArg(options::OPT_static) ||
+ Args.hasArg(options::OPT_fapple_kext)))
+ CmdArgs.push_back("-static");
+
+ Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA,
+ options::OPT_Xassembler);
+
+ assert(Output.isFilename() && "Unexpected lipo output.");
+ CmdArgs.push_back("-o");
+ CmdArgs.push_back(Output.getFilename());
+
+ assert(Input.isFilename() && "Invalid input.");
+ CmdArgs.push_back(Input.getFilename());
+
+ // asm_final spec is empty.
+
+ const char *Exec =
+ Args.MakeArgString(getToolChain().GetProgramPath("as"));
+ C.addCommand(new Command(JA, *this, Exec, CmdArgs));
+}
+
+void darwin::DarwinTool::anchor() {}
+
+void darwin::DarwinTool::AddDarwinArch(const ArgList &Args,
+ ArgStringList &CmdArgs) const {
+ StringRef ArchName = getDarwinToolChain().getDarwinArchName(Args);
+
+ // Derived from darwin_arch spec.
+ CmdArgs.push_back("-arch");
+ CmdArgs.push_back(Args.MakeArgString(ArchName));
+
+ // FIXME: Is this needed anymore?
+ if (ArchName == "arm")
+ CmdArgs.push_back("-force_cpusubtype_ALL");
+}
+
+void darwin::Link::AddLinkArgs(Compilation &C,
+ const ArgList &Args,
+ ArgStringList &CmdArgs) const {
+ const Driver &D = getToolChain().getDriver();
+ const toolchains::Darwin &DarwinTC = getDarwinToolChain();
+
+ unsigned Version[3] = { 0, 0, 0 };
+ if (Arg *A = Args.getLastArg(options::OPT_mlinker_version_EQ)) {
+ bool HadExtra;
+ if (!Driver::GetReleaseVersion(A->getValue(Args), Version[0],
+ Version[1], Version[2], HadExtra) ||
+ HadExtra)
+ D.Diag(diag::err_drv_invalid_version_number)
+ << A->getAsString(Args);
+ }
+
+ // Newer linkers support -demangle, pass it if supported and not disabled by
+ // the user.
+ if (Version[0] >= 100 && !Args.hasArg(options::OPT_Z_Xlinker__no_demangle)) {
+ // Don't pass -demangle to ld_classic.
+ //
+ // FIXME: This is a temporary workaround, ld should be handling this.
+ bool UsesLdClassic = (getToolChain().getArch() == llvm::Triple::x86 &&
+ Args.hasArg(options::OPT_static));
+ if (getToolChain().getArch() == llvm::Triple::x86) {
+ for (arg_iterator it = Args.filtered_begin(options::OPT_Xlinker,
+ options::OPT_Wl_COMMA),
+ ie = Args.filtered_end(); it != ie; ++it) {
+ const Arg *A = *it;
+ for (unsigned i = 0, e = A->getNumValues(); i != e; ++i)
+ if (StringRef(A->getValue(Args, i)) == "-kext")
+ UsesLdClassic = true;
+ }
+ }
+ if (!UsesLdClassic)
+ CmdArgs.push_back("-demangle");
+ }
+
+ // If we are using LTO, then automatically create a temporary file path for
+ // the linker to use, so that it's lifetime will extend past a possible
+ // dsymutil step.
+ if (Version[0] >= 116 && D.IsUsingLTO(Args)) {
+ const char *TmpPath = C.getArgs().MakeArgString(
+ D.GetTemporaryPath("cc", types::getTypeTempSuffix(types::TY_Object)));
+ C.addTempFile(TmpPath);
+ CmdArgs.push_back("-object_path_lto");
+ CmdArgs.push_back(TmpPath);
+ }
+
+ // Derived from the "link" spec.
+ Args.AddAllArgs(CmdArgs, options::OPT_static);
+ if (!Args.hasArg(options::OPT_static))
+ CmdArgs.push_back("-dynamic");
+ if (Args.hasArg(options::OPT_fgnu_runtime)) {
+ // FIXME: gcc replaces -lobjc in forward args with -lobjc-gnu
+ // here. How do we wish to handle such things?
+ }
+
+ if (!Args.hasArg(options::OPT_dynamiclib)) {
+ AddDarwinArch(Args, CmdArgs);
+ // FIXME: Why do this only on this path?
+ Args.AddLastArg(CmdArgs, options::OPT_force__cpusubtype__ALL);
+
+ Args.AddLastArg(CmdArgs, options::OPT_bundle);
+ Args.AddAllArgs(CmdArgs, options::OPT_bundle__loader);
+ Args.AddAllArgs(CmdArgs, options::OPT_client__name);
+
+ Arg *A;
+ if ((A = Args.getLastArg(options::OPT_compatibility__version)) ||
+ (A = Args.getLastArg(options::OPT_current__version)) ||
+ (A = Args.getLastArg(options::OPT_install__name)))
+ D.Diag(diag::err_drv_argument_only_allowed_with)
+ << A->getAsString(Args) << "-dynamiclib";
+
+ Args.AddLastArg(CmdArgs, options::OPT_force__flat__namespace);
+ Args.AddLastArg(CmdArgs, options::OPT_keep__private__externs);
+ Args.AddLastArg(CmdArgs, options::OPT_private__bundle);
+ } else {
+ CmdArgs.push_back("-dylib");
+
+ Arg *A;
+ if ((A = Args.getLastArg(options::OPT_bundle)) ||
+ (A = Args.getLastArg(options::OPT_bundle__loader)) ||
+ (A = Args.getLastArg(options::OPT_client__name)) ||
+ (A = Args.getLastArg(options::OPT_force__flat__namespace)) ||
+ (A = Args.getLastArg(options::OPT_keep__private__externs)) ||
+ (A = Args.getLastArg(options::OPT_private__bundle)))
+ D.Diag(diag::err_drv_argument_not_allowed_with)
+ << A->getAsString(Args) << "-dynamiclib";
+
+ Args.AddAllArgsTranslated(CmdArgs, options::OPT_compatibility__version,
+ "-dylib_compatibility_version");
+ Args.AddAllArgsTranslated(CmdArgs, options::OPT_current__version,
+ "-dylib_current_version");
+
+ AddDarwinArch(Args, CmdArgs);
+
+ Args.AddAllArgsTranslated(CmdArgs, options::OPT_install__name,
+ "-dylib_install_name");
+ }
+
+ Args.AddLastArg(CmdArgs, options::OPT_all__load);
+ Args.AddAllArgs(CmdArgs, options::OPT_allowable__client);
+ Args.AddLastArg(CmdArgs, options::OPT_bind__at__load);
+ if (DarwinTC.isTargetIPhoneOS())
+ Args.AddLastArg(CmdArgs, options::OPT_arch__errors__fatal);
+ Args.AddLastArg(CmdArgs, options::OPT_dead__strip);
+ Args.AddLastArg(CmdArgs, options::OPT_no__dead__strip__inits__and__terms);
+ Args.AddAllArgs(CmdArgs, options::OPT_dylib__file);
+ Args.AddLastArg(CmdArgs, options::OPT_dynamic);
+ Args.AddAllArgs(CmdArgs, options::OPT_exported__symbols__list);
+ Args.AddLastArg(CmdArgs, options::OPT_flat__namespace);
+ Args.AddAllArgs(CmdArgs, options::OPT_force__load);
+ Args.AddAllArgs(CmdArgs, options::OPT_headerpad__max__install__names);
+ Args.AddAllArgs(CmdArgs, options::OPT_image__base);
+ Args.AddAllArgs(CmdArgs, options::OPT_init);
+
+ // Add the deployment target.
+ VersionTuple TargetVersion = DarwinTC.getTargetVersion();
+
+ // If we had an explicit -mios-simulator-version-min argument, honor that,
+ // otherwise use the traditional deployment targets. We can't just check the
+ // is-sim attribute because existing code follows this path, and the linker
+ // may not handle the argument.
+ //
+ // FIXME: We may be able to remove this, once we can verify no one depends on
+ // it.
+ if (Args.hasArg(options::OPT_mios_simulator_version_min_EQ))
+ CmdArgs.push_back("-ios_simulator_version_min");
+ else if (DarwinTC.isTargetIPhoneOS())
+ CmdArgs.push_back("-iphoneos_version_min");
+ else
+ CmdArgs.push_back("-macosx_version_min");
+ CmdArgs.push_back(Args.MakeArgString(TargetVersion.getAsString()));
+
+ Args.AddLastArg(CmdArgs, options::OPT_nomultidefs);
+ Args.AddLastArg(CmdArgs, options::OPT_multi__module);
+ Args.AddLastArg(CmdArgs, options::OPT_single__module);
+ Args.AddAllArgs(CmdArgs, options::OPT_multiply__defined);
+ Args.AddAllArgs(CmdArgs, options::OPT_multiply__defined__unused);
+
+ if (const Arg *A = Args.getLastArg(options::OPT_fpie, options::OPT_fPIE,
+ options::OPT_fno_pie,
+ options::OPT_fno_PIE)) {
+ if (A->getOption().matches(options::OPT_fpie) ||
+ A->getOption().matches(options::OPT_fPIE))
+ CmdArgs.push_back("-pie");
+ else
+ CmdArgs.push_back("-no_pie");
+ }
+
+ Args.AddLastArg(CmdArgs, options::OPT_prebind);
+ Args.AddLastArg(CmdArgs, options::OPT_noprebind);
+ Args.AddLastArg(CmdArgs, options::OPT_nofixprebinding);
+ Args.AddLastArg(CmdArgs, options::OPT_prebind__all__twolevel__modules);
+ Args.AddLastArg(CmdArgs, options::OPT_read__only__relocs);
+ Args.AddAllArgs(CmdArgs, options::OPT_sectcreate);
+ Args.AddAllArgs(CmdArgs, options::OPT_sectorder);
+ Args.AddAllArgs(CmdArgs, options::OPT_seg1addr);
+ Args.AddAllArgs(CmdArgs, options::OPT_segprot);
+ Args.AddAllArgs(CmdArgs, options::OPT_segaddr);
+ Args.AddAllArgs(CmdArgs, options::OPT_segs__read__only__addr);
+ Args.AddAllArgs(CmdArgs, options::OPT_segs__read__write__addr);
+ Args.AddAllArgs(CmdArgs, options::OPT_seg__addr__table);
+ Args.AddAllArgs(CmdArgs, options::OPT_seg__addr__table__filename);
+ Args.AddAllArgs(CmdArgs, options::OPT_sub__library);
+ Args.AddAllArgs(CmdArgs, options::OPT_sub__umbrella);
+
+ // Give --sysroot= preference, over the Apple specific behavior to also use
+ // --isysroot as the syslibroot.
+ StringRef sysroot = C.getSysRoot();
+ if (sysroot != "") {
+ CmdArgs.push_back("-syslibroot");
+ CmdArgs.push_back(C.getArgs().MakeArgString(sysroot));
+ } else if (const Arg *A = Args.getLastArg(options::OPT_isysroot)) {
+ CmdArgs.push_back("-syslibroot");
+ CmdArgs.push_back(A->getValue(Args));
+ } else if (getDarwinToolChain().isTargetIPhoneOS()) {
+ CmdArgs.push_back("-syslibroot");
+ CmdArgs.push_back("/Developer/SDKs/Extra");
+ }
+
+ Args.AddLastArg(CmdArgs, options::OPT_twolevel__namespace);
+ Args.AddLastArg(CmdArgs, options::OPT_twolevel__namespace__hints);
+ Args.AddAllArgs(CmdArgs, options::OPT_umbrella);
+ Args.AddAllArgs(CmdArgs, options::OPT_undefined);
+ Args.AddAllArgs(CmdArgs, options::OPT_unexported__symbols__list);
+ Args.AddAllArgs(CmdArgs, options::OPT_weak__reference__mismatches);
+ Args.AddLastArg(CmdArgs, options::OPT_X_Flag);
+ Args.AddAllArgs(CmdArgs, options::OPT_y);
+ Args.AddLastArg(CmdArgs, options::OPT_w);
+ Args.AddAllArgs(CmdArgs, options::OPT_pagezero__size);
+ Args.AddAllArgs(CmdArgs, options::OPT_segs__read__);
+ Args.AddLastArg(CmdArgs, options::OPT_seglinkedit);
+ Args.AddLastArg(CmdArgs, options::OPT_noseglinkedit);
+ Args.AddAllArgs(CmdArgs, options::OPT_sectalign);
+ Args.AddAllArgs(CmdArgs, options::OPT_sectobjectsymbols);
+ Args.AddAllArgs(CmdArgs, options::OPT_segcreate);
+ Args.AddLastArg(CmdArgs, options::OPT_whyload);
+ Args.AddLastArg(CmdArgs, options::OPT_whatsloaded);
+ Args.AddAllArgs(CmdArgs, options::OPT_dylinker__install__name);
+ Args.AddLastArg(CmdArgs, options::OPT_dylinker);
+ Args.AddLastArg(CmdArgs, options::OPT_Mach);
+}
+
+void darwin::Link::ConstructJob(Compilation &C, const JobAction &JA,
+ const InputInfo &Output,
+ const InputInfoList &Inputs,
+ const ArgList &Args,
+ const char *LinkingOutput) const {
+ assert(Output.getType() == types::TY_Image && "Invalid linker output type.");
+
+ // The logic here is derived from gcc's behavior; most of which
+ // comes from specs (starting with link_command). Consult gcc for
+ // more information.
+ ArgStringList CmdArgs;
+
+ /// Hack(tm) to ignore linking errors when we are doing ARC migration.
+ if (Args.hasArg(options::OPT_ccc_arcmt_check,
+ options::OPT_ccc_arcmt_migrate)) {
+ for (ArgList::const_iterator I = Args.begin(), E = Args.end(); I != E; ++I)
+ (*I)->claim();
+ const char *Exec =
+ Args.MakeArgString(getToolChain().GetProgramPath("touch"));
+ CmdArgs.push_back(Output.getFilename());
+ C.addCommand(new Command(JA, *this, Exec, CmdArgs));
+ return;
+ }
+
+ // I'm not sure why this particular decomposition exists in gcc, but
+ // we follow suite for ease of comparison.
+ AddLinkArgs(C, Args, CmdArgs);
+
+ Args.AddAllArgs(CmdArgs, options::OPT_d_Flag);
+ Args.AddAllArgs(CmdArgs, options::OPT_s);
+ Args.AddAllArgs(CmdArgs, options::OPT_t);
+ Args.AddAllArgs(CmdArgs, options::OPT_Z_Flag);
+ Args.AddAllArgs(CmdArgs, options::OPT_u_Group);
+ Args.AddAllArgs(CmdArgs, options::OPT_A);
+ Args.AddLastArg(CmdArgs, options::OPT_e);
+ Args.AddAllArgs(CmdArgs, options::OPT_m_Separate);
+ Args.AddAllArgs(CmdArgs, options::OPT_r);
+
+ // Forward -ObjC when either -ObjC or -ObjC++ is used, to force loading
+ // members of static archive libraries which implement Objective-C classes or
+ // categories.
+ if (Args.hasArg(options::OPT_ObjC) || Args.hasArg(options::OPT_ObjCXX))
+ CmdArgs.push_back("-ObjC");
+
+ CmdArgs.push_back("-o");
+ CmdArgs.push_back(Output.getFilename());
+
+ if (!Args.hasArg(options::OPT_A) &&
+ !Args.hasArg(options::OPT_nostdlib) &&
+ !Args.hasArg(options::OPT_nostartfiles)) {
+ // Derived from startfile spec.
+ if (Args.hasArg(options::OPT_dynamiclib)) {
+ // Derived from darwin_dylib1 spec.
+ if (getDarwinToolChain().isTargetIOSSimulator()) {
+ // The simulator doesn't have a versioned crt1 file.
+ CmdArgs.push_back("-ldylib1.o");
+ } else if (getDarwinToolChain().isTargetIPhoneOS()) {
+ if (getDarwinToolChain().isIPhoneOSVersionLT(3, 1))
+ CmdArgs.push_back("-ldylib1.o");
+ } else {
+ if (getDarwinToolChain().isMacosxVersionLT(10, 5))
+ CmdArgs.push_back("-ldylib1.o");
+ else if (getDarwinToolChain().isMacosxVersionLT(10, 6))
+ CmdArgs.push_back("-ldylib1.10.5.o");
+ }
+ } else {
+ if (Args.hasArg(options::OPT_bundle)) {
+ if (!Args.hasArg(options::OPT_static)) {
+ // Derived from darwin_bundle1 spec.
+ if (getDarwinToolChain().isTargetIOSSimulator()) {
+ // The simulator doesn't have a versioned crt1 file.
+ CmdArgs.push_back("-lbundle1.o");
+ } else if (getDarwinToolChain().isTargetIPhoneOS()) {
+ if (getDarwinToolChain().isIPhoneOSVersionLT(3, 1))
+ CmdArgs.push_back("-lbundle1.o");
+ } else {
+ if (getDarwinToolChain().isMacosxVersionLT(10, 6))
+ CmdArgs.push_back("-lbundle1.o");
+ }
+ }
+ } else {
+ if (Args.hasArg(options::OPT_pg) &&
+ getToolChain().SupportsProfiling()) {
+ if (Args.hasArg(options::OPT_static) ||
+ Args.hasArg(options::OPT_object) ||
+ Args.hasArg(options::OPT_preload)) {
+ CmdArgs.push_back("-lgcrt0.o");
+ } else {
+ CmdArgs.push_back("-lgcrt1.o");
+
+ // darwin_crt2 spec is empty.
+ }
+ } else {
+ if (Args.hasArg(options::OPT_static) ||
+ Args.hasArg(options::OPT_object) ||
+ Args.hasArg(options::OPT_preload)) {
+ CmdArgs.push_back("-lcrt0.o");
+ } else {
+ // Derived from darwin_crt1 spec.
+ if (getDarwinToolChain().isTargetIOSSimulator()) {
+ // The simulator doesn't have a versioned crt1 file.
+ CmdArgs.push_back("-lcrt1.o");
+ } else if (getDarwinToolChain().isTargetIPhoneOS()) {
+ if (getDarwinToolChain().isIPhoneOSVersionLT(3, 1))
+ CmdArgs.push_back("-lcrt1.o");
+ else
+ CmdArgs.push_back("-lcrt1.3.1.o");
+ } else {
+ if (getDarwinToolChain().isMacosxVersionLT(10, 5))
+ CmdArgs.push_back("-lcrt1.o");
+ else if (getDarwinToolChain().isMacosxVersionLT(10, 6))
+ CmdArgs.push_back("-lcrt1.10.5.o");
+ else if (getDarwinToolChain().isMacosxVersionLT(10, 8))
+ CmdArgs.push_back("-lcrt1.10.6.o");
+
+ // darwin_crt2 spec is empty.
+ }
+ }
+ }
+ }
+ }
+
+ if (!getDarwinToolChain().isTargetIPhoneOS() &&
+ Args.hasArg(options::OPT_shared_libgcc) &&
+ getDarwinToolChain().isMacosxVersionLT(10, 5)) {
+ const char *Str =
+ Args.MakeArgString(getToolChain().GetFilePath("crt3.o"));
+ CmdArgs.push_back(Str);
+ }
+ }
+
+ Args.AddAllArgs(CmdArgs, options::OPT_L);
+
+ // If we're building a dynamic lib with -faddress-sanitizer, unresolved
+ // symbols may appear. Mark all of them as dynamic_lookup.
+ // Linking executables is handled in lib/Driver/ToolChains.cpp.
+ if (Args.hasFlag(options::OPT_faddress_sanitizer,
+ options::OPT_fno_address_sanitizer, false)) {
+ if (Args.hasArg(options::OPT_dynamiclib) ||
+ Args.hasArg(options::OPT_bundle)) {
+ CmdArgs.push_back("-undefined");
+ CmdArgs.push_back("dynamic_lookup");
+ }
+ }
+
+ if (Args.hasArg(options::OPT_fopenmp))
+ // This is more complicated in gcc...
+ CmdArgs.push_back("-lgomp");
+
+ getDarwinToolChain().AddLinkSearchPathArgs(Args, CmdArgs);
+
+ if (isObjCRuntimeLinked(Args)) {
+ // Avoid linking compatibility stubs on i386 mac.
+ if (!getDarwinToolChain().isTargetMacOS() ||
+ getDarwinToolChain().getArchName() != "i386") {
+ // If we don't have ARC or subscripting runtime support, link in the
+ // runtime stubs. We have to do this *before* adding any of the normal
+ // linker inputs so that its initializer gets run first.
+ ObjCRuntime runtime;
+ getDarwinToolChain().configureObjCRuntime(runtime);
+ // We use arclite library for both ARC and subscripting support.
+ if ((!runtime.HasARC && isObjCAutoRefCount(Args)) ||
+ !runtime.HasSubscripting)
+ getDarwinToolChain().AddLinkARCArgs(Args, CmdArgs);
+ CmdArgs.push_back("-framework");
+ CmdArgs.push_back("Foundation");
+ }
+ // Link libobj.
+ CmdArgs.push_back("-lobjc");
+ }
+
+ AddLinkerInputs(getToolChain(), Inputs, Args, CmdArgs);
+
+ if (LinkingOutput) {
+ CmdArgs.push_back("-arch_multiple");
+ CmdArgs.push_back("-final_output");
+ CmdArgs.push_back(LinkingOutput);
+ }
+
+ if (Args.hasArg(options::OPT_fnested_functions))
+ CmdArgs.push_back("-allow_stack_execute");
+
+ if (!Args.hasArg(options::OPT_nostdlib) &&
+ !Args.hasArg(options::OPT_nodefaultlibs)) {
+ if (getToolChain().getDriver().CCCIsCXX)
+ getToolChain().AddCXXStdlibLibArgs(Args, CmdArgs);
+
+ // link_ssp spec is empty.
+
+ // Let the tool chain choose which runtime library to link.
+ getDarwinToolChain().AddLinkRuntimeLibArgs(Args, CmdArgs);
+ }
+
+ if (!Args.hasArg(options::OPT_A) &&
+ !Args.hasArg(options::OPT_nostdlib) &&
+ !Args.hasArg(options::OPT_nostartfiles)) {
+ // endfile_spec is empty.
+ }
+
+ Args.AddAllArgs(CmdArgs, options::OPT_T_Group);
+ Args.AddAllArgs(CmdArgs, options::OPT_F);
+
+ const char *Exec =
+ Args.MakeArgString(getToolChain().GetProgramPath("ld"));
+ C.addCommand(new Command(JA, *this, Exec, CmdArgs));
+}
+
+void darwin::Lipo::ConstructJob(Compilation &C, const JobAction &JA,
+ const InputInfo &Output,
+ const InputInfoList &Inputs,
+ const ArgList &Args,
+ const char *LinkingOutput) const {
+ ArgStringList CmdArgs;
+
+ CmdArgs.push_back("-create");
+ assert(Output.isFilename() && "Unexpected lipo output.");
+
+ CmdArgs.push_back("-output");
+ CmdArgs.push_back(Output.getFilename());
+
+ for (InputInfoList::const_iterator
+ it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) {
+ const InputInfo &II = *it;
+ assert(II.isFilename() && "Unexpected lipo input.");
+ CmdArgs.push_back(II.getFilename());
+ }
+ const char *Exec =
+ Args.MakeArgString(getToolChain().GetProgramPath("lipo"));
+ C.addCommand(new Command(JA, *this, Exec, CmdArgs));
+}
+
+void darwin::Dsymutil::ConstructJob(Compilation &C, const JobAction &JA,
+ const InputInfo &Output,
+ const InputInfoList &Inputs,
+ const ArgList &Args,
+ const char *LinkingOutput) const {
+ ArgStringList CmdArgs;
+
+ CmdArgs.push_back("-o");
+ CmdArgs.push_back(Output.getFilename());
+
+ assert(Inputs.size() == 1 && "Unable to handle multiple inputs.");
+ const InputInfo &Input = Inputs[0];
+ assert(Input.isFilename() && "Unexpected dsymutil input.");
+ CmdArgs.push_back(Input.getFilename());
+
+ const char *Exec =
+ Args.MakeArgString(getToolChain().GetProgramPath("dsymutil"));
+ C.addCommand(new Command(JA, *this, Exec, CmdArgs));
+}
+
+void darwin::VerifyDebug::ConstructJob(Compilation &C, const JobAction &JA,
+ const InputInfo &Output,
+ const InputInfoList &Inputs,
+ const ArgList &Args,
+ const char *LinkingOutput) const {
+ ArgStringList CmdArgs;
+ CmdArgs.push_back("--verify");
+ CmdArgs.push_back("--debug-info");
+ CmdArgs.push_back("--eh-frame");
+ CmdArgs.push_back("--quiet");
+
+ assert(Inputs.size() == 1 && "Unable to handle multiple inputs.");
+ const InputInfo &Input = Inputs[0];
+ assert(Input.isFilename() && "Unexpected verify input");
+
+ // Grabbing the output of the earlier dsymutil run.
+ CmdArgs.push_back(Input.getFilename());
+
+ const char *Exec =
+ Args.MakeArgString(getToolChain().GetProgramPath("dwarfdump"));
+ C.addCommand(new Command(JA, *this, Exec, CmdArgs));
+}
+
+void solaris::Assemble::ConstructJob(Compilation &C, const JobAction &JA,
+ const InputInfo &Output,
+ const InputInfoList &Inputs,
+ const ArgList &Args,
+ const char *LinkingOutput) const {
+ ArgStringList CmdArgs;
+
+ Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA,
+ options::OPT_Xassembler);
+
+ CmdArgs.push_back("-o");
+ CmdArgs.push_back(Output.getFilename());
+
+ for (InputInfoList::const_iterator
+ it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) {
+ const InputInfo &II = *it;
+ CmdArgs.push_back(II.getFilename());
+ }
+
+ const char *Exec =
+ Args.MakeArgString(getToolChain().GetProgramPath("as"));
+ C.addCommand(new Command(JA, *this, Exec, CmdArgs));
+}
+
+
+void solaris::Link::ConstructJob(Compilation &C, const JobAction &JA,
+ const InputInfo &Output,
+ const InputInfoList &Inputs,
+ const ArgList &Args,
+ const char *LinkingOutput) const {
+ // FIXME: Find a real GCC, don't hard-code versions here
+ std::string GCCLibPath = "/usr/gcc/4.5/lib/gcc/";
+ const llvm::Triple &T = getToolChain().getTriple();
+ std::string LibPath = "/usr/lib/";
+ llvm::Triple::ArchType Arch = T.getArch();
+ switch (Arch) {
+ case llvm::Triple::x86:
+ GCCLibPath += ("i386-" + T.getVendorName() + "-" +
+ T.getOSName()).str() + "/4.5.2/";
+ break;
+ case llvm::Triple::x86_64:
+ GCCLibPath += ("i386-" + T.getVendorName() + "-" +
+ T.getOSName()).str();
+ GCCLibPath += "/4.5.2/amd64/";
+ LibPath += "amd64/";
+ break;
+ default:
+ assert(0 && "Unsupported architecture");
+ }
+
+ ArgStringList CmdArgs;
+
+ // Demangle C++ names in errors
+ CmdArgs.push_back("-C");
+
+ if ((!Args.hasArg(options::OPT_nostdlib)) &&
+ (!Args.hasArg(options::OPT_shared))) {
+ CmdArgs.push_back("-e");
+ CmdArgs.push_back("_start");
+ }
+
+ if (Args.hasArg(options::OPT_static)) {
+ CmdArgs.push_back("-Bstatic");
+ CmdArgs.push_back("-dn");
+ } else {
+ CmdArgs.push_back("-Bdynamic");
+ if (Args.hasArg(options::OPT_shared)) {
+ CmdArgs.push_back("-shared");
+ } else {
+ CmdArgs.push_back("--dynamic-linker");
+ CmdArgs.push_back(Args.MakeArgString(LibPath + "ld.so.1"));
+ }
+ }
+
+ if (Output.isFilename()) {
+ CmdArgs.push_back("-o");
+ CmdArgs.push_back(Output.getFilename());
+ } else {
+ assert(Output.isNothing() && "Invalid output.");
+ }
+
+ if (!Args.hasArg(options::OPT_nostdlib) &&
+ !Args.hasArg(options::OPT_nostartfiles)) {
+ if (!Args.hasArg(options::OPT_shared)) {
+ CmdArgs.push_back(Args.MakeArgString(LibPath + "crt1.o"));
+ CmdArgs.push_back(Args.MakeArgString(LibPath + "crti.o"));
+ CmdArgs.push_back(Args.MakeArgString(LibPath + "values-Xa.o"));
+ CmdArgs.push_back(Args.MakeArgString(GCCLibPath + "crtbegin.o"));
+ } else {
+ CmdArgs.push_back(Args.MakeArgString(LibPath + "crti.o"));
+ CmdArgs.push_back(Args.MakeArgString(LibPath + "values-Xa.o"));
+ CmdArgs.push_back(Args.MakeArgString(GCCLibPath + "crtbegin.o"));
+ }
+ if (getToolChain().getDriver().CCCIsCXX)
+ CmdArgs.push_back(Args.MakeArgString(LibPath + "cxa_finalize.o"));
+ }
+
+ CmdArgs.push_back(Args.MakeArgString("-L" + GCCLibPath));
+
+ Args.AddAllArgs(CmdArgs, options::OPT_L);
+ Args.AddAllArgs(CmdArgs, options::OPT_T_Group);
+ Args.AddAllArgs(CmdArgs, options::OPT_e);
+ Args.AddAllArgs(CmdArgs, options::OPT_r);
+
+ AddLinkerInputs(getToolChain(), Inputs, Args, CmdArgs);
+
+ if (!Args.hasArg(options::OPT_nostdlib) &&
+ !Args.hasArg(options::OPT_nodefaultlibs)) {
+ if (getToolChain().getDriver().CCCIsCXX)
+ getToolChain().AddCXXStdlibLibArgs(Args, CmdArgs);
+ CmdArgs.push_back("-lgcc_s");
+ if (!Args.hasArg(options::OPT_shared)) {
+ CmdArgs.push_back("-lgcc");
+ CmdArgs.push_back("-lc");
+ CmdArgs.push_back("-lm");
+ }
+ }
+
+ if (!Args.hasArg(options::OPT_nostdlib) &&
+ !Args.hasArg(options::OPT_nostartfiles)) {
+ CmdArgs.push_back(Args.MakeArgString(GCCLibPath + "crtend.o"));
+ }
+ CmdArgs.push_back(Args.MakeArgString(LibPath + "crtn.o"));
+
+ addProfileRT(getToolChain(), Args, CmdArgs, getToolChain().getTriple());
+
+ const char *Exec =
+ Args.MakeArgString(getToolChain().GetProgramPath("ld"));
+ C.addCommand(new Command(JA, *this, Exec, CmdArgs));
+}
+
+void auroraux::Assemble::ConstructJob(Compilation &C, const JobAction &JA,
+ const InputInfo &Output,
+ const InputInfoList &Inputs,
+ const ArgList &Args,
+ const char *LinkingOutput) const {
+ ArgStringList CmdArgs;
+
+ Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA,
+ options::OPT_Xassembler);
+
+ CmdArgs.push_back("-o");
+ CmdArgs.push_back(Output.getFilename());
+
+ for (InputInfoList::const_iterator
+ it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) {
+ const InputInfo &II = *it;
+ CmdArgs.push_back(II.getFilename());
+ }
+
+ const char *Exec =
+ Args.MakeArgString(getToolChain().GetProgramPath("gas"));
+ C.addCommand(new Command(JA, *this, Exec, CmdArgs));
+}
+
+void auroraux::Link::ConstructJob(Compilation &C, const JobAction &JA,
+ const InputInfo &Output,
+ const InputInfoList &Inputs,
+ const ArgList &Args,
+ const char *LinkingOutput) const {
+ ArgStringList CmdArgs;
+
+ if ((!Args.hasArg(options::OPT_nostdlib)) &&
+ (!Args.hasArg(options::OPT_shared))) {
+ CmdArgs.push_back("-e");
+ CmdArgs.push_back("_start");
+ }
+
+ if (Args.hasArg(options::OPT_static)) {
+ CmdArgs.push_back("-Bstatic");
+ CmdArgs.push_back("-dn");
+ } else {
+// CmdArgs.push_back("--eh-frame-hdr");
+ CmdArgs.push_back("-Bdynamic");
+ if (Args.hasArg(options::OPT_shared)) {
+ CmdArgs.push_back("-shared");
+ } else {
+ CmdArgs.push_back("--dynamic-linker");
+ CmdArgs.push_back("/lib/ld.so.1"); // 64Bit Path /lib/amd64/ld.so.1
+ }
+ }
+
+ if (Output.isFilename()) {
+ CmdArgs.push_back("-o");
+ CmdArgs.push_back(Output.getFilename());
+ } else {
+ assert(Output.isNothing() && "Invalid output.");
+ }
+
+ if (!Args.hasArg(options::OPT_nostdlib) &&
+ !Args.hasArg(options::OPT_nostartfiles)) {
+ if (!Args.hasArg(options::OPT_shared)) {
+ CmdArgs.push_back(Args.MakeArgString(
+ getToolChain().GetFilePath("crt1.o")));
+ CmdArgs.push_back(Args.MakeArgString(
+ getToolChain().GetFilePath("crti.o")));
+ CmdArgs.push_back(Args.MakeArgString(
+ getToolChain().GetFilePath("crtbegin.o")));
+ } else {
+ CmdArgs.push_back(Args.MakeArgString(
+ getToolChain().GetFilePath("crti.o")));
+ }
+ CmdArgs.push_back(Args.MakeArgString(
+ getToolChain().GetFilePath("crtn.o")));
+ }
+
+ CmdArgs.push_back(Args.MakeArgString("-L/opt/gcc4/lib/gcc/"
+ + getToolChain().getTripleString()
+ + "/4.2.4"));
+
+ Args.AddAllArgs(CmdArgs, options::OPT_L);
+ Args.AddAllArgs(CmdArgs, options::OPT_T_Group);
+ Args.AddAllArgs(CmdArgs, options::OPT_e);
+
+ AddLinkerInputs(getToolChain(), Inputs, Args, CmdArgs);
+
+ if (!Args.hasArg(options::OPT_nostdlib) &&
+ !Args.hasArg(options::OPT_nodefaultlibs)) {
+ // FIXME: For some reason GCC passes -lgcc before adding
+ // the default system libraries. Just mimic this for now.
+ CmdArgs.push_back("-lgcc");
+
+ if (Args.hasArg(options::OPT_pthread))
+ CmdArgs.push_back("-pthread");
+ if (!Args.hasArg(options::OPT_shared))
+ CmdArgs.push_back("-lc");
+ CmdArgs.push_back("-lgcc");
+ }
+
+ if (!Args.hasArg(options::OPT_nostdlib) &&
+ !Args.hasArg(options::OPT_nostartfiles)) {
+ if (!Args.hasArg(options::OPT_shared))
+ CmdArgs.push_back(Args.MakeArgString(
+ getToolChain().GetFilePath("crtend.o")));
+ }
+
+ addProfileRT(getToolChain(), Args, CmdArgs, getToolChain().getTriple());
+
+ const char *Exec =
+ Args.MakeArgString(getToolChain().GetProgramPath("ld"));
+ C.addCommand(new Command(JA, *this, Exec, CmdArgs));
+}
+
+void openbsd::Assemble::ConstructJob(Compilation &C, const JobAction &JA,
+ const InputInfo &Output,
+ const InputInfoList &Inputs,
+ const ArgList &Args,
+ const char *LinkingOutput) const {
+ ArgStringList CmdArgs;
+
+ Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA,
+ options::OPT_Xassembler);
+
+ CmdArgs.push_back("-o");
+ CmdArgs.push_back(Output.getFilename());
+
+ for (InputInfoList::const_iterator
+ it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) {
+ const InputInfo &II = *it;
+ CmdArgs.push_back(II.getFilename());
+ }
+
+ const char *Exec =
+ Args.MakeArgString(getToolChain().GetProgramPath("as"));
+ C.addCommand(new Command(JA, *this, Exec, CmdArgs));
+}
+
+void openbsd::Link::ConstructJob(Compilation &C, const JobAction &JA,
+ const InputInfo &Output,
+ const InputInfoList &Inputs,
+ const ArgList &Args,
+ const char *LinkingOutput) const {
+ const Driver &D = getToolChain().getDriver();
+ ArgStringList CmdArgs;
+
+ if ((!Args.hasArg(options::OPT_nostdlib)) &&
+ (!Args.hasArg(options::OPT_shared))) {
+ CmdArgs.push_back("-e");
+ CmdArgs.push_back("__start");
+ }
+
+ if (Args.hasArg(options::OPT_static)) {
+ CmdArgs.push_back("-Bstatic");
+ } else {
+ if (Args.hasArg(options::OPT_rdynamic))
+ CmdArgs.push_back("-export-dynamic");
+ CmdArgs.push_back("--eh-frame-hdr");
+ CmdArgs.push_back("-Bdynamic");
+ if (Args.hasArg(options::OPT_shared)) {
+ CmdArgs.push_back("-shared");
+ } else {
+ CmdArgs.push_back("-dynamic-linker");
+ CmdArgs.push_back("/usr/libexec/ld.so");
+ }
+ }
+
+ if (Output.isFilename()) {
+ CmdArgs.push_back("-o");
+ CmdArgs.push_back(Output.getFilename());
+ } else {
+ assert(Output.isNothing() && "Invalid output.");
+ }
+
+ if (!Args.hasArg(options::OPT_nostdlib) &&
+ !Args.hasArg(options::OPT_nostartfiles)) {
+ if (!Args.hasArg(options::OPT_shared)) {
+ if (Args.hasArg(options::OPT_pg))
+ CmdArgs.push_back(Args.MakeArgString(
+ getToolChain().GetFilePath("gcrt0.o")));
+ else
+ CmdArgs.push_back(Args.MakeArgString(
+ getToolChain().GetFilePath("crt0.o")));
+ CmdArgs.push_back(Args.MakeArgString(
+ getToolChain().GetFilePath("crtbegin.o")));
+ } else {
+ CmdArgs.push_back(Args.MakeArgString(
+ getToolChain().GetFilePath("crtbeginS.o")));
+ }
+ }
+
+ std::string Triple = getToolChain().getTripleString();
+ if (Triple.substr(0, 6) == "x86_64")
+ Triple.replace(0, 6, "amd64");
+ CmdArgs.push_back(Args.MakeArgString("-L/usr/lib/gcc-lib/" + Triple +
+ "/4.2.1"));
+
+ Args.AddAllArgs(CmdArgs, options::OPT_L);
+ Args.AddAllArgs(CmdArgs, options::OPT_T_Group);
+ Args.AddAllArgs(CmdArgs, options::OPT_e);
+
+ AddLinkerInputs(getToolChain(), Inputs, Args, CmdArgs);
+
+ if (!Args.hasArg(options::OPT_nostdlib) &&
+ !Args.hasArg(options::OPT_nodefaultlibs)) {
+ if (D.CCCIsCXX) {
+ getToolChain().AddCXXStdlibLibArgs(Args, CmdArgs);
+ if (Args.hasArg(options::OPT_pg))
+ CmdArgs.push_back("-lm_p");
+ else
+ CmdArgs.push_back("-lm");
+ }
+
+ // FIXME: For some reason GCC passes -lgcc before adding
+ // the default system libraries. Just mimic this for now.
+ CmdArgs.push_back("-lgcc");
+
+ if (Args.hasArg(options::OPT_pthread))
+ CmdArgs.push_back("-lpthread");
+ if (!Args.hasArg(options::OPT_shared)) {
+ if (Args.hasArg(options::OPT_pg))
+ CmdArgs.push_back("-lc_p");
+ else
+ CmdArgs.push_back("-lc");
+ }
+ CmdArgs.push_back("-lgcc");
+ }
+
+ if (!Args.hasArg(options::OPT_nostdlib) &&
+ !Args.hasArg(options::OPT_nostartfiles)) {
+ if (!Args.hasArg(options::OPT_shared))
+ CmdArgs.push_back(Args.MakeArgString(
+ getToolChain().GetFilePath("crtend.o")));
+ else
+ CmdArgs.push_back(Args.MakeArgString(
+ getToolChain().GetFilePath("crtendS.o")));
+ }
+
+ const char *Exec =
+ Args.MakeArgString(getToolChain().GetProgramPath("ld"));
+ C.addCommand(new Command(JA, *this, Exec, CmdArgs));
+}
+
+void freebsd::Assemble::ConstructJob(Compilation &C, const JobAction &JA,
+ const InputInfo &Output,
+ const InputInfoList &Inputs,
+ const ArgList &Args,
+ const char *LinkingOutput) const {
+ ArgStringList CmdArgs;
+
+ // When building 32-bit code on FreeBSD/amd64, we have to explicitly
+ // instruct as in the base system to assemble 32-bit code.
+ if (getToolChain().getArchName() == "i386")
+ CmdArgs.push_back("--32");
+
+ if (getToolChain().getArchName() == "powerpc")
+ CmdArgs.push_back("-a32");
+
+ // Set byte order explicitly
+ if (getToolChain().getArchName() == "mips")
+ CmdArgs.push_back("-EB");
+ else if (getToolChain().getArchName() == "mipsel")
+ CmdArgs.push_back("-EL");
+
+ Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA,
+ options::OPT_Xassembler);
+
+ CmdArgs.push_back("-o");
+ CmdArgs.push_back(Output.getFilename());
+
+ for (InputInfoList::const_iterator
+ it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) {
+ const InputInfo &II = *it;
+ CmdArgs.push_back(II.getFilename());
+ }
+
+ const char *Exec =
+ Args.MakeArgString(getToolChain().GetProgramPath("as"));
+ C.addCommand(new Command(JA, *this, Exec, CmdArgs));
+}
+
+void freebsd::Link::ConstructJob(Compilation &C, const JobAction &JA,
+ const InputInfo &Output,
+ const InputInfoList &Inputs,
+ const ArgList &Args,
+ const char *LinkingOutput) const {
+ const Driver &D = getToolChain().getDriver();
+ ArgStringList CmdArgs;
+
+ if (!D.SysRoot.empty())
+ CmdArgs.push_back(Args.MakeArgString("--sysroot=" + D.SysRoot));
+
+ if (Args.hasArg(options::OPT_static)) {
+ CmdArgs.push_back("-Bstatic");
+ } else {
+ if (Args.hasArg(options::OPT_rdynamic))
+ CmdArgs.push_back("-export-dynamic");
+ CmdArgs.push_back("--eh-frame-hdr");
+ if (Args.hasArg(options::OPT_shared)) {
+ CmdArgs.push_back("-Bshareable");
+ } else {
+ CmdArgs.push_back("-dynamic-linker");
+ CmdArgs.push_back("/libexec/ld-elf.so.1");
+ }
+ }
+
+ // When building 32-bit code on FreeBSD/amd64, we have to explicitly
+ // instruct ld in the base system to link 32-bit code.
+ if (getToolChain().getArchName() == "i386") {
+ CmdArgs.push_back("-m");
+ CmdArgs.push_back("elf_i386_fbsd");
+ }
+
+ if (getToolChain().getArchName() == "powerpc") {
+ CmdArgs.push_back("-m");
+ CmdArgs.push_back("elf32ppc_fbsd");
+ }
+
+ if (Output.isFilename()) {
+ CmdArgs.push_back("-o");
+ CmdArgs.push_back(Output.getFilename());
+ } else {
+ assert(Output.isNothing() && "Invalid output.");
+ }
+
+ if (!Args.hasArg(options::OPT_nostdlib) &&
+ !Args.hasArg(options::OPT_nostartfiles)) {
+ if (!Args.hasArg(options::OPT_shared)) {
+ if (Args.hasArg(options::OPT_pg))
+ CmdArgs.push_back(Args.MakeArgString(
+ getToolChain().GetFilePath("gcrt1.o")));
+ else {
+ const char *crt = Args.hasArg(options::OPT_pie) ? "Scrt1.o" : "crt1.o";
+ CmdArgs.push_back(Args.MakeArgString(
+ getToolChain().GetFilePath(crt)));
+ }
+ CmdArgs.push_back(Args.MakeArgString(
+ getToolChain().GetFilePath("crti.o")));
+ CmdArgs.push_back(Args.MakeArgString(
+ getToolChain().GetFilePath("crtbegin.o")));
+ } else {
+ CmdArgs.push_back(Args.MakeArgString(
+ getToolChain().GetFilePath("crti.o")));
+ CmdArgs.push_back(Args.MakeArgString(
+ getToolChain().GetFilePath("crtbeginS.o")));
+ }
+ }
+
+ Args.AddAllArgs(CmdArgs, options::OPT_L);
+ const ToolChain::path_list Paths = getToolChain().getFilePaths();
+ for (ToolChain::path_list::const_iterator i = Paths.begin(), e = Paths.end();
+ i != e; ++i)
+ CmdArgs.push_back(Args.MakeArgString(StringRef("-L") + *i));
+ Args.AddAllArgs(CmdArgs, options::OPT_T_Group);
+ Args.AddAllArgs(CmdArgs, options::OPT_e);
+ Args.AddAllArgs(CmdArgs, options::OPT_s);
+ Args.AddAllArgs(CmdArgs, options::OPT_t);
+ Args.AddAllArgs(CmdArgs, options::OPT_Z_Flag);
+ Args.AddAllArgs(CmdArgs, options::OPT_r);
+
+ AddLinkerInputs(getToolChain(), Inputs, Args, CmdArgs);
+
+ if (!Args.hasArg(options::OPT_nostdlib) &&
+ !Args.hasArg(options::OPT_nodefaultlibs)) {
+ if (D.CCCIsCXX) {
+ getToolChain().AddCXXStdlibLibArgs(Args, CmdArgs);
+ if (Args.hasArg(options::OPT_pg))
+ CmdArgs.push_back("-lm_p");
+ else
+ CmdArgs.push_back("-lm");
+ }
+ // FIXME: For some reason GCC passes -lgcc and -lgcc_s before adding
+ // the default system libraries. Just mimic this for now.
+ if (Args.hasArg(options::OPT_pg))
+ CmdArgs.push_back("-lgcc_p");
+ else
+ CmdArgs.push_back("-lgcc");
+ if (Args.hasArg(options::OPT_static)) {
+ CmdArgs.push_back("-lgcc_eh");
+ } else if (Args.hasArg(options::OPT_pg)) {
+ CmdArgs.push_back("-lgcc_eh_p");
+ } else {
+ CmdArgs.push_back("--as-needed");
+ CmdArgs.push_back("-lgcc_s");
+ CmdArgs.push_back("--no-as-needed");
+ }
+
+ if (Args.hasArg(options::OPT_pthread)) {
+ if (Args.hasArg(options::OPT_pg))
+ CmdArgs.push_back("-lpthread_p");
+ else
+ CmdArgs.push_back("-lpthread");
+ }
+
+ if (Args.hasArg(options::OPT_pg)) {
+ if (Args.hasArg(options::OPT_shared))
+ CmdArgs.push_back("-lc");
+ else
+ CmdArgs.push_back("-lc_p");
+ CmdArgs.push_back("-lgcc_p");
+ } else {
+ CmdArgs.push_back("-lc");
+ CmdArgs.push_back("-lgcc");
+ }
+
+ if (Args.hasArg(options::OPT_static)) {
+ CmdArgs.push_back("-lgcc_eh");
+ } else if (Args.hasArg(options::OPT_pg)) {
+ CmdArgs.push_back("-lgcc_eh_p");
+ } else {
+ CmdArgs.push_back("--as-needed");
+ CmdArgs.push_back("-lgcc_s");
+ CmdArgs.push_back("--no-as-needed");
+ }
+ }
+
+ if (!Args.hasArg(options::OPT_nostdlib) &&
+ !Args.hasArg(options::OPT_nostartfiles)) {
+ if (!Args.hasArg(options::OPT_shared))
+ CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(
+ "crtend.o")));
+ else
+ CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(
+ "crtendS.o")));
+ CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(
+ "crtn.o")));
+ }
+
+ addProfileRT(getToolChain(), Args, CmdArgs, getToolChain().getTriple());
+
+ const char *Exec =
+ Args.MakeArgString(getToolChain().GetProgramPath("ld"));
+ C.addCommand(new Command(JA, *this, Exec, CmdArgs));
+}
+
+void netbsd::Assemble::ConstructJob(Compilation &C, const JobAction &JA,
+ const InputInfo &Output,
+ const InputInfoList &Inputs,
+ const ArgList &Args,
+ const char *LinkingOutput) const {
+ ArgStringList CmdArgs;
+
+ // When building 32-bit code on NetBSD/amd64, we have to explicitly
+ // instruct as in the base system to assemble 32-bit code.
+ if (getToolChain().getArch() == llvm::Triple::x86)
+ CmdArgs.push_back("--32");
+
+ // Set byte order explicitly
+ if (getToolChain().getArchName() == "mips")
+ CmdArgs.push_back("-EB");
+ else if (getToolChain().getArchName() == "mipsel")
+ CmdArgs.push_back("-EL");
+
+ Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA,
+ options::OPT_Xassembler);
+
+ CmdArgs.push_back("-o");
+ CmdArgs.push_back(Output.getFilename());
+
+ for (InputInfoList::const_iterator
+ it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) {
+ const InputInfo &II = *it;
+ CmdArgs.push_back(II.getFilename());
+ }
+
+ const char *Exec = Args.MakeArgString((getToolChain().GetProgramPath("as")));
+ C.addCommand(new Command(JA, *this, Exec, CmdArgs));
+}
+
+void netbsd::Link::ConstructJob(Compilation &C, const JobAction &JA,
+ const InputInfo &Output,
+ const InputInfoList &Inputs,
+ const ArgList &Args,
+ const char *LinkingOutput) const {
+ const Driver &D = getToolChain().getDriver();
+ ArgStringList CmdArgs;
+
+ if (!D.SysRoot.empty())
+ CmdArgs.push_back(Args.MakeArgString("--sysroot=" + D.SysRoot));
+
+ if (Args.hasArg(options::OPT_static)) {
+ CmdArgs.push_back("-Bstatic");
+ } else {
+ if (Args.hasArg(options::OPT_rdynamic))
+ CmdArgs.push_back("-export-dynamic");
+ CmdArgs.push_back("--eh-frame-hdr");
+ if (Args.hasArg(options::OPT_shared)) {
+ CmdArgs.push_back("-Bshareable");
+ } else {
+ CmdArgs.push_back("-dynamic-linker");
+ CmdArgs.push_back("/libexec/ld.elf_so");
+ }
+ }
+
+ // When building 32-bit code on NetBSD/amd64, we have to explicitly
+ // instruct ld in the base system to link 32-bit code.
+ if (getToolChain().getArch() == llvm::Triple::x86) {
+ CmdArgs.push_back("-m");
+ CmdArgs.push_back("elf_i386");
+ }
+
+ if (Output.isFilename()) {
+ CmdArgs.push_back("-o");
+ CmdArgs.push_back(Output.getFilename());
+ } else {
+ assert(Output.isNothing() && "Invalid output.");
+ }
+
+ if (!Args.hasArg(options::OPT_nostdlib) &&
+ !Args.hasArg(options::OPT_nostartfiles)) {
+ if (!Args.hasArg(options::OPT_shared)) {
+ CmdArgs.push_back(Args.MakeArgString(
+ getToolChain().GetFilePath("crt0.o")));
+ CmdArgs.push_back(Args.MakeArgString(
+ getToolChain().GetFilePath("crti.o")));
+ CmdArgs.push_back(Args.MakeArgString(
+ getToolChain().GetFilePath("crtbegin.o")));
+ } else {
+ CmdArgs.push_back(Args.MakeArgString(
+ getToolChain().GetFilePath("crti.o")));
+ CmdArgs.push_back(Args.MakeArgString(
+ getToolChain().GetFilePath("crtbeginS.o")));
+ }
+ }
+
+ Args.AddAllArgs(CmdArgs, options::OPT_L);
+ Args.AddAllArgs(CmdArgs, options::OPT_T_Group);
+ Args.AddAllArgs(CmdArgs, options::OPT_e);
+ Args.AddAllArgs(CmdArgs, options::OPT_s);
+ Args.AddAllArgs(CmdArgs, options::OPT_t);
+ Args.AddAllArgs(CmdArgs, options::OPT_Z_Flag);
+ Args.AddAllArgs(CmdArgs, options::OPT_r);
+
+ AddLinkerInputs(getToolChain(), Inputs, Args, CmdArgs);
+
+ if (!Args.hasArg(options::OPT_nostdlib) &&
+ !Args.hasArg(options::OPT_nodefaultlibs)) {
+ if (D.CCCIsCXX) {
+ getToolChain().AddCXXStdlibLibArgs(Args, CmdArgs);
+ CmdArgs.push_back("-lm");
+ }
+ // FIXME: For some reason GCC passes -lgcc and -lgcc_s before adding
+ // the default system libraries. Just mimic this for now.
+ if (Args.hasArg(options::OPT_static)) {
+ CmdArgs.push_back("-lgcc_eh");
+ } else {
+ CmdArgs.push_back("--as-needed");
+ CmdArgs.push_back("-lgcc_s");
+ CmdArgs.push_back("--no-as-needed");
+ }
+ CmdArgs.push_back("-lgcc");
+
+ if (Args.hasArg(options::OPT_pthread))
+ CmdArgs.push_back("-lpthread");
+ CmdArgs.push_back("-lc");
+
+ CmdArgs.push_back("-lgcc");
+ if (Args.hasArg(options::OPT_static)) {
+ CmdArgs.push_back("-lgcc_eh");
+ } else {
+ CmdArgs.push_back("--as-needed");
+ CmdArgs.push_back("-lgcc_s");
+ CmdArgs.push_back("--no-as-needed");
+ }
+ }
+
+ if (!Args.hasArg(options::OPT_nostdlib) &&
+ !Args.hasArg(options::OPT_nostartfiles)) {
+ if (!Args.hasArg(options::OPT_shared))
+ CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(
+ "crtend.o")));
+ else
+ CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(
+ "crtendS.o")));
+ CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(
+ "crtn.o")));
+ }
+
+ addProfileRT(getToolChain(), Args, CmdArgs, getToolChain().getTriple());
+
+ const char *Exec = Args.MakeArgString(getToolChain().GetProgramPath("ld"));
+ C.addCommand(new Command(JA, *this, Exec, CmdArgs));
+}
+
+void linuxtools::Assemble::ConstructJob(Compilation &C, const JobAction &JA,
+ const InputInfo &Output,
+ const InputInfoList &Inputs,
+ const ArgList &Args,
+ const char *LinkingOutput) const {
+ ArgStringList CmdArgs;
+
+ // Add --32/--64 to make sure we get the format we want.
+ // This is incomplete
+ if (getToolChain().getArch() == llvm::Triple::x86) {
+ CmdArgs.push_back("--32");
+ } else if (getToolChain().getArch() == llvm::Triple::x86_64) {
+ CmdArgs.push_back("--64");
+ } else if (getToolChain().getArch() == llvm::Triple::ppc) {
+ CmdArgs.push_back("-a32");
+ CmdArgs.push_back("-mppc");
+ CmdArgs.push_back("-many");
+ } else if (getToolChain().getArch() == llvm::Triple::ppc64) {
+ CmdArgs.push_back("-a64");
+ CmdArgs.push_back("-mppc64");
+ CmdArgs.push_back("-many");
+ } else if (getToolChain().getArch() == llvm::Triple::arm) {
+ StringRef MArch = getToolChain().getArchName();
+ if (MArch == "armv7" || MArch == "armv7a" || MArch == "armv7-a")
+ CmdArgs.push_back("-mfpu=neon");
+ } else if (getToolChain().getArch() == llvm::Triple::mips ||
+ getToolChain().getArch() == llvm::Triple::mipsel ||
+ getToolChain().getArch() == llvm::Triple::mips64 ||
+ getToolChain().getArch() == llvm::Triple::mips64el) {
+ StringRef CPUName;
+ StringRef ABIName;
+ getMipsCPUAndABI(Args, getToolChain(), CPUName, ABIName);
+
+ CmdArgs.push_back("-march");
+ CmdArgs.push_back(CPUName.data());
+
+ // Convert ABI name to the GNU tools acceptable variant.
+ if (ABIName == "o32")
+ ABIName = "32";
+ else if (ABIName == "n64")
+ ABIName = "64";
+
+ CmdArgs.push_back("-mabi");
+ CmdArgs.push_back(ABIName.data());
+
+ if (getToolChain().getArch() == llvm::Triple::mips ||
+ getToolChain().getArch() == llvm::Triple::mips64)
+ CmdArgs.push_back("-EB");
+ else
+ CmdArgs.push_back("-EL");
+ }
+
+ Args.AddLastArg(CmdArgs, options::OPT_march_EQ);
+ Args.AddLastArg(CmdArgs, options::OPT_mcpu_EQ);
+ Args.AddLastArg(CmdArgs, options::OPT_mfpu_EQ);
+
+ Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA,
+ options::OPT_Xassembler);
+
+ CmdArgs.push_back("-o");
+ CmdArgs.push_back(Output.getFilename());
+
+ for (InputInfoList::const_iterator
+ it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) {
+ const InputInfo &II = *it;
+ CmdArgs.push_back(II.getFilename());
+ }
+
+ const char *Exec =
+ Args.MakeArgString(getToolChain().GetProgramPath("as"));
+ C.addCommand(new Command(JA, *this, Exec, CmdArgs));
+}
+
+static void AddLibgcc(const Driver &D, ArgStringList &CmdArgs,
+ const ArgList &Args) {
+ bool StaticLibgcc = Args.hasArg(options::OPT_static) ||
+ Args.hasArg(options::OPT_static_libgcc);
+ if (!D.CCCIsCXX)
+ CmdArgs.push_back("-lgcc");
+
+ if (StaticLibgcc) {
+ if (D.CCCIsCXX)
+ CmdArgs.push_back("-lgcc");
+ } else {
+ if (!D.CCCIsCXX)
+ CmdArgs.push_back("--as-needed");
+ CmdArgs.push_back("-lgcc_s");
+ if (!D.CCCIsCXX)
+ CmdArgs.push_back("--no-as-needed");
+ }
+
+ if (StaticLibgcc)
+ CmdArgs.push_back("-lgcc_eh");
+ else if (!Args.hasArg(options::OPT_shared) && D.CCCIsCXX)
+ CmdArgs.push_back("-lgcc");
+}
+
+void linuxtools::Link::ConstructJob(Compilation &C, const JobAction &JA,
+ const InputInfo &Output,
+ const InputInfoList &Inputs,
+ const ArgList &Args,
+ const char *LinkingOutput) const {
+ const toolchains::Linux& ToolChain =
+ static_cast<const toolchains::Linux&>(getToolChain());
+ const Driver &D = ToolChain.getDriver();
+ ArgStringList CmdArgs;
+
+ // Silence warning for "clang -g foo.o -o foo"
+ Args.ClaimAllArgs(options::OPT_g_Group);
+ // and "clang -emit-llvm foo.o -o foo"
+ Args.ClaimAllArgs(options::OPT_emit_llvm);
+ // and for "clang -g foo.o -o foo". Other warning options are already
+ // handled somewhere else.
+ Args.ClaimAllArgs(options::OPT_w);
+
+ if (!D.SysRoot.empty())
+ CmdArgs.push_back(Args.MakeArgString("--sysroot=" + D.SysRoot));
+
+ if (Args.hasArg(options::OPT_pie))
+ CmdArgs.push_back("-pie");
+
+ if (Args.hasArg(options::OPT_rdynamic))
+ CmdArgs.push_back("-export-dynamic");
+
+ if (Args.hasArg(options::OPT_s))
+ CmdArgs.push_back("-s");
+
+ for (std::vector<std::string>::const_iterator i = ToolChain.ExtraOpts.begin(),
+ e = ToolChain.ExtraOpts.end();
+ i != e; ++i)
+ CmdArgs.push_back(i->c_str());
+
+ if (!Args.hasArg(options::OPT_static)) {
+ CmdArgs.push_back("--eh-frame-hdr");
+ }
+
+ CmdArgs.push_back("-m");
+ if (ToolChain.getArch() == llvm::Triple::x86)
+ CmdArgs.push_back("elf_i386");
+ else if (ToolChain.getArch() == llvm::Triple::arm
+ || ToolChain.getArch() == llvm::Triple::thumb)
+ CmdArgs.push_back("armelf_linux_eabi");
+ else if (ToolChain.getArch() == llvm::Triple::ppc)
+ CmdArgs.push_back("elf32ppclinux");
+ else if (ToolChain.getArch() == llvm::Triple::ppc64)
+ CmdArgs.push_back("elf64ppc");
+ else if (ToolChain.getArch() == llvm::Triple::mips)
+ CmdArgs.push_back("elf32btsmip");
+ else if (ToolChain.getArch() == llvm::Triple::mipsel)
+ CmdArgs.push_back("elf32ltsmip");
+ else if (ToolChain.getArch() == llvm::Triple::mips64)
+ CmdArgs.push_back("elf64btsmip");
+ else if (ToolChain.getArch() == llvm::Triple::mips64el)
+ CmdArgs.push_back("elf64ltsmip");
+ else
+ CmdArgs.push_back("elf_x86_64");
+
+ if (Args.hasArg(options::OPT_static)) {
+ if (ToolChain.getArch() == llvm::Triple::arm
+ || ToolChain.getArch() == llvm::Triple::thumb)
+ CmdArgs.push_back("-Bstatic");
+ else
+ CmdArgs.push_back("-static");
+ } else if (Args.hasArg(options::OPT_shared)) {
+ CmdArgs.push_back("-shared");
+ }
+
+ if (ToolChain.getArch() == llvm::Triple::arm ||
+ ToolChain.getArch() == llvm::Triple::thumb ||
+ (!Args.hasArg(options::OPT_static) &&
+ !Args.hasArg(options::OPT_shared))) {
+ CmdArgs.push_back("-dynamic-linker");
+ if (ToolChain.getArch() == llvm::Triple::x86)
+ CmdArgs.push_back("/lib/ld-linux.so.2");
+ else if (ToolChain.getArch() == llvm::Triple::arm ||
+ ToolChain.getArch() == llvm::Triple::thumb)
+ CmdArgs.push_back("/lib/ld-linux.so.3");
+ else if (ToolChain.getArch() == llvm::Triple::mips ||
+ ToolChain.getArch() == llvm::Triple::mipsel)
+ CmdArgs.push_back("/lib/ld.so.1");
+ else if (ToolChain.getArch() == llvm::Triple::mips64 ||
+ ToolChain.getArch() == llvm::Triple::mips64el)
+ CmdArgs.push_back("/lib64/ld.so.1");
+ else if (ToolChain.getArch() == llvm::Triple::ppc)
+ CmdArgs.push_back("/lib/ld.so.1");
+ else if (ToolChain.getArch() == llvm::Triple::ppc64)
+ CmdArgs.push_back("/lib64/ld64.so.1");
+ else
+ CmdArgs.push_back("/lib64/ld-linux-x86-64.so.2");
+ }
+
+ CmdArgs.push_back("-o");
+ CmdArgs.push_back(Output.getFilename());
+
+ if (!Args.hasArg(options::OPT_nostdlib) &&
+ !Args.hasArg(options::OPT_nostartfiles)) {
+ const char *crt1 = NULL;
+ if (!Args.hasArg(options::OPT_shared)){
+ if (Args.hasArg(options::OPT_pie))
+ crt1 = "Scrt1.o";
+ else
+ crt1 = "crt1.o";
+ }
+ if (crt1)
+ CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath(crt1)));
+
+ CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("crti.o")));
+
+ const char *crtbegin;
+ if (Args.hasArg(options::OPT_static))
+ crtbegin = "crtbeginT.o";
+ else if (Args.hasArg(options::OPT_shared) || Args.hasArg(options::OPT_pie))
+ crtbegin = "crtbeginS.o";
+ else
+ crtbegin = "crtbegin.o";
+ CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath(crtbegin)));
+ }
+
+ Args.AddAllArgs(CmdArgs, options::OPT_L);
+
+ const ToolChain::path_list Paths = ToolChain.getFilePaths();
+
+ for (ToolChain::path_list::const_iterator i = Paths.begin(), e = Paths.end();
+ i != e; ++i)
+ CmdArgs.push_back(Args.MakeArgString(StringRef("-L") + *i));
+
+ // Tell the linker to load the plugin. This has to come before AddLinkerInputs
+ // as gold requires -plugin to come before any -plugin-opt that -Wl might
+ // forward.
+ if (D.IsUsingLTO(Args) || Args.hasArg(options::OPT_use_gold_plugin)) {
+ CmdArgs.push_back("-plugin");
+ std::string Plugin = ToolChain.getDriver().Dir + "/../lib/LLVMgold.so";
+ CmdArgs.push_back(Args.MakeArgString(Plugin));
+ }
+
+ AddLinkerInputs(ToolChain, Inputs, Args, CmdArgs);
+
+ if (D.CCCIsCXX && !Args.hasArg(options::OPT_nostdlib)) {
+ bool OnlyLibstdcxxStatic = Args.hasArg(options::OPT_static_libstdcxx) &&
+ !Args.hasArg(options::OPT_static);
+ if (OnlyLibstdcxxStatic)
+ CmdArgs.push_back("-Bstatic");
+ ToolChain.AddCXXStdlibLibArgs(Args, CmdArgs);
+ if (OnlyLibstdcxxStatic)
+ CmdArgs.push_back("-Bdynamic");
+ CmdArgs.push_back("-lm");
+ }
+
+ // Call this before we add the C run-time.
+ addAsanRTLinux(getToolChain(), Args, CmdArgs);
+
+ if (!Args.hasArg(options::OPT_nostdlib)) {
+ if (Args.hasArg(options::OPT_static))
+ CmdArgs.push_back("--start-group");
+
+ AddLibgcc(D, CmdArgs, Args);
+
+ if (Args.hasArg(options::OPT_pthread) ||
+ Args.hasArg(options::OPT_pthreads))
+ CmdArgs.push_back("-lpthread");
+
+ CmdArgs.push_back("-lc");
+
+ if (Args.hasArg(options::OPT_static))
+ CmdArgs.push_back("--end-group");
+ else
+ AddLibgcc(D, CmdArgs, Args);
+
+
+ if (!Args.hasArg(options::OPT_nostartfiles)) {
+ const char *crtend;
+ if (Args.hasArg(options::OPT_shared) || Args.hasArg(options::OPT_pie))
+ crtend = "crtendS.o";
+ else
+ crtend = "crtend.o";
+
+ CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath(crtend)));
+ CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("crtn.o")));
+ }
+ }
+
+ addProfileRT(getToolChain(), Args, CmdArgs, getToolChain().getTriple());
+
+ C.addCommand(new Command(JA, *this, ToolChain.Linker.c_str(), CmdArgs));
+}
+
+void minix::Assemble::ConstructJob(Compilation &C, const JobAction &JA,
+ const InputInfo &Output,
+ const InputInfoList &Inputs,
+ const ArgList &Args,
+ const char *LinkingOutput) const {
+ ArgStringList CmdArgs;
+
+ Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA,
+ options::OPT_Xassembler);
+
+ CmdArgs.push_back("-o");
+ CmdArgs.push_back(Output.getFilename());
+
+ for (InputInfoList::const_iterator
+ it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) {
+ const InputInfo &II = *it;
+ CmdArgs.push_back(II.getFilename());
+ }
+
+ const char *Exec =
+ Args.MakeArgString(getToolChain().GetProgramPath("as"));
+ C.addCommand(new Command(JA, *this, Exec, CmdArgs));
+}
+
+void minix::Link::ConstructJob(Compilation &C, const JobAction &JA,
+ const InputInfo &Output,
+ const InputInfoList &Inputs,
+ const ArgList &Args,
+ const char *LinkingOutput) const {
+ const Driver &D = getToolChain().getDriver();
+ ArgStringList CmdArgs;
+
+ if (Output.isFilename()) {
+ CmdArgs.push_back("-o");
+ CmdArgs.push_back(Output.getFilename());
+ } else {
+ assert(Output.isNothing() && "Invalid output.");
+ }
+
+ if (!Args.hasArg(options::OPT_nostdlib) &&
+ !Args.hasArg(options::OPT_nostartfiles)) {
+ CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath("crt1.o")));
+ CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath("crti.o")));
+ CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath("crtbegin.o")));
+ CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath("crtn.o")));
+ }
+
+ Args.AddAllArgs(CmdArgs, options::OPT_L);
+ Args.AddAllArgs(CmdArgs, options::OPT_T_Group);
+ Args.AddAllArgs(CmdArgs, options::OPT_e);
+
+ AddLinkerInputs(getToolChain(), Inputs, Args, CmdArgs);
+
+ addProfileRT(getToolChain(), Args, CmdArgs, getToolChain().getTriple());
+
+ if (!Args.hasArg(options::OPT_nostdlib) &&
+ !Args.hasArg(options::OPT_nodefaultlibs)) {
+ if (D.CCCIsCXX) {
+ getToolChain().AddCXXStdlibLibArgs(Args, CmdArgs);
+ CmdArgs.push_back("-lm");
+ }
+ }
+
+ if (!Args.hasArg(options::OPT_nostdlib) &&
+ !Args.hasArg(options::OPT_nostartfiles)) {
+ if (Args.hasArg(options::OPT_pthread))
+ CmdArgs.push_back("-lpthread");
+ CmdArgs.push_back("-lc");
+ CmdArgs.push_back("-lCompilerRT-Generic");
+ CmdArgs.push_back("-L/usr/pkg/compiler-rt/lib");
+ CmdArgs.push_back(
+ Args.MakeArgString(getToolChain().GetFilePath("crtend.o")));
+ }
+
+ const char *Exec = Args.MakeArgString(getToolChain().GetProgramPath("ld"));
+ C.addCommand(new Command(JA, *this, Exec, CmdArgs));
+}
+
+/// DragonFly Tools
+
+// For now, DragonFly Assemble does just about the same as for
+// FreeBSD, but this may change soon.
+void dragonfly::Assemble::ConstructJob(Compilation &C, const JobAction &JA,
+ const InputInfo &Output,
+ const InputInfoList &Inputs,
+ const ArgList &Args,
+ const char *LinkingOutput) const {
+ ArgStringList CmdArgs;
+
+ // When building 32-bit code on DragonFly/pc64, we have to explicitly
+ // instruct as in the base system to assemble 32-bit code.
+ if (getToolChain().getArchName() == "i386")
+ CmdArgs.push_back("--32");
+
+ Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA,
+ options::OPT_Xassembler);
+
+ CmdArgs.push_back("-o");
+ CmdArgs.push_back(Output.getFilename());
+
+ for (InputInfoList::const_iterator
+ it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) {
+ const InputInfo &II = *it;
+ CmdArgs.push_back(II.getFilename());
+ }
+
+ const char *Exec =
+ Args.MakeArgString(getToolChain().GetProgramPath("as"));
+ C.addCommand(new Command(JA, *this, Exec, CmdArgs));
+}
+
+void dragonfly::Link::ConstructJob(Compilation &C, const JobAction &JA,
+ const InputInfo &Output,
+ const InputInfoList &Inputs,
+ const ArgList &Args,
+ const char *LinkingOutput) const {
+ const Driver &D = getToolChain().getDriver();
+ ArgStringList CmdArgs;
+
+ if (!D.SysRoot.empty())
+ CmdArgs.push_back(Args.MakeArgString("--sysroot=" + D.SysRoot));
+
+ if (Args.hasArg(options::OPT_static)) {
+ CmdArgs.push_back("-Bstatic");
+ } else {
+ if (Args.hasArg(options::OPT_shared))
+ CmdArgs.push_back("-Bshareable");
+ else {
+ CmdArgs.push_back("-dynamic-linker");
+ CmdArgs.push_back("/usr/libexec/ld-elf.so.2");
+ }
+ }
+
+ // When building 32-bit code on DragonFly/pc64, we have to explicitly
+ // instruct ld in the base system to link 32-bit code.
+ if (getToolChain().getArchName() == "i386") {
+ CmdArgs.push_back("-m");
+ CmdArgs.push_back("elf_i386");
+ }
+
+ if (Output.isFilename()) {
+ CmdArgs.push_back("-o");
+ CmdArgs.push_back(Output.getFilename());
+ } else {
+ assert(Output.isNothing() && "Invalid output.");
+ }
+
+ if (!Args.hasArg(options::OPT_nostdlib) &&
+ !Args.hasArg(options::OPT_nostartfiles)) {
+ if (!Args.hasArg(options::OPT_shared)) {
+ CmdArgs.push_back(
+ Args.MakeArgString(getToolChain().GetFilePath("crt1.o")));
+ CmdArgs.push_back(
+ Args.MakeArgString(getToolChain().GetFilePath("crti.o")));
+ CmdArgs.push_back(
+ Args.MakeArgString(getToolChain().GetFilePath("crtbegin.o")));
+ } else {
+ CmdArgs.push_back(
+ Args.MakeArgString(getToolChain().GetFilePath("crti.o")));
+ CmdArgs.push_back(
+ Args.MakeArgString(getToolChain().GetFilePath("crtbeginS.o")));
+ }
+ }
+
+ Args.AddAllArgs(CmdArgs, options::OPT_L);
+ Args.AddAllArgs(CmdArgs, options::OPT_T_Group);
+ Args.AddAllArgs(CmdArgs, options::OPT_e);
+
+ AddLinkerInputs(getToolChain(), Inputs, Args, CmdArgs);
+
+ if (!Args.hasArg(options::OPT_nostdlib) &&
+ !Args.hasArg(options::OPT_nodefaultlibs)) {
+ // FIXME: GCC passes on -lgcc, -lgcc_pic and a whole lot of
+ // rpaths
+ CmdArgs.push_back("-L/usr/lib/gcc41");
+
+ if (!Args.hasArg(options::OPT_static)) {
+ CmdArgs.push_back("-rpath");
+ CmdArgs.push_back("/usr/lib/gcc41");
+
+ CmdArgs.push_back("-rpath-link");
+ CmdArgs.push_back("/usr/lib/gcc41");
+
+ CmdArgs.push_back("-rpath");
+ CmdArgs.push_back("/usr/lib");
+
+ CmdArgs.push_back("-rpath-link");
+ CmdArgs.push_back("/usr/lib");
+ }
+
+ if (D.CCCIsCXX) {
+ getToolChain().AddCXXStdlibLibArgs(Args, CmdArgs);
+ CmdArgs.push_back("-lm");
+ }
+
+ if (Args.hasArg(options::OPT_shared)) {
+ CmdArgs.push_back("-lgcc_pic");
+ } else {
+ CmdArgs.push_back("-lgcc");
+ }
+
+
+ if (Args.hasArg(options::OPT_pthread))
+ CmdArgs.push_back("-lpthread");
+
+ if (!Args.hasArg(options::OPT_nolibc)) {
+ CmdArgs.push_back("-lc");
+ }
+
+ if (Args.hasArg(options::OPT_shared)) {
+ CmdArgs.push_back("-lgcc_pic");
+ } else {
+ CmdArgs.push_back("-lgcc");
+ }
+ }
+
+ if (!Args.hasArg(options::OPT_nostdlib) &&
+ !Args.hasArg(options::OPT_nostartfiles)) {
+ if (!Args.hasArg(options::OPT_shared))
+ CmdArgs.push_back(Args.MakeArgString(
+ getToolChain().GetFilePath("crtend.o")));
+ else
+ CmdArgs.push_back(Args.MakeArgString(
+ getToolChain().GetFilePath("crtendS.o")));
+ CmdArgs.push_back(Args.MakeArgString(
+ getToolChain().GetFilePath("crtn.o")));
+ }
+
+ addProfileRT(getToolChain(), Args, CmdArgs, getToolChain().getTriple());
+
+ const char *Exec =
+ Args.MakeArgString(getToolChain().GetProgramPath("ld"));
+ C.addCommand(new Command(JA, *this, Exec, CmdArgs));
+}
+
+void visualstudio::Link::ConstructJob(Compilation &C, const JobAction &JA,
+ const InputInfo &Output,
+ const InputInfoList &Inputs,
+ const ArgList &Args,
+ const char *LinkingOutput) const {
+ ArgStringList CmdArgs;
+
+ if (Output.isFilename()) {
+ CmdArgs.push_back(Args.MakeArgString(std::string("-out:") +
+ Output.getFilename()));
+ } else {
+ assert(Output.isNothing() && "Invalid output.");
+ }
+
+ if (!Args.hasArg(options::OPT_nostdlib) &&
+ !Args.hasArg(options::OPT_nostartfiles)) {
+ CmdArgs.push_back("-defaultlib:libcmt");
+ }
+
+ CmdArgs.push_back("-nologo");
+
+ AddLinkerInputs(getToolChain(), Inputs, Args, CmdArgs);
+
+ const char *Exec =
+ Args.MakeArgString(getToolChain().GetProgramPath("link.exe"));
+ C.addCommand(new Command(JA, *this, Exec, CmdArgs));
+}
diff --git a/clang/lib/Driver/Tools.h b/clang/lib/Driver/Tools.h
new file mode 100644
index 0000000..651a8f2
--- /dev/null
+++ b/clang/lib/Driver/Tools.h
@@ -0,0 +1,605 @@
+//===--- Tools.h - Tool Implementations -------------------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef CLANG_LIB_DRIVER_TOOLS_H_
+#define CLANG_LIB_DRIVER_TOOLS_H_
+
+#include "clang/Driver/Tool.h"
+#include "clang/Driver/Types.h"
+#include "clang/Driver/Util.h"
+
+#include "llvm/ADT/Triple.h"
+#include "llvm/Support/Compiler.h"
+
+namespace clang {
+namespace driver {
+ class Driver;
+
+namespace toolchains {
+ class Darwin;
+}
+
+namespace tools {
+
+ /// \brief Clang compiler tool.
+ class LLVM_LIBRARY_VISIBILITY Clang : public Tool {
+ void AddPreprocessingOptions(Compilation &C,
+ const Driver &D,
+ const ArgList &Args,
+ ArgStringList &CmdArgs,
+ const InputInfo &Output,
+ const InputInfoList &Inputs) const;
+
+ void AddARMTargetArgs(const ArgList &Args, ArgStringList &CmdArgs,
+ bool KernelOrKext) const;
+ void AddMIPSTargetArgs(const ArgList &Args, ArgStringList &CmdArgs) const;
+ void AddSparcTargetArgs(const ArgList &Args, ArgStringList &CmdArgs) const;
+ void AddX86TargetArgs(const ArgList &Args, ArgStringList &CmdArgs) const;
+ void AddHexagonTargetArgs (const ArgList &Args, ArgStringList &CmdArgs) const;
+
+ public:
+ Clang(const ToolChain &TC) : Tool("clang", "clang frontend", TC) {}
+
+ virtual bool hasGoodDiagnostics() const { return true; }
+ virtual bool hasIntegratedAssembler() const { return true; }
+ virtual bool hasIntegratedCPP() const { return true; }
+
+ virtual void ConstructJob(Compilation &C, const JobAction &JA,
+ const InputInfo &Output,
+ const InputInfoList &Inputs,
+ const ArgList &TCArgs,
+ const char *LinkingOutput) const;
+ };
+
+ /// \brief Clang integrated assembler tool.
+ class LLVM_LIBRARY_VISIBILITY ClangAs : public Tool {
+ void AddARMTargetArgs(const ArgList &Args, ArgStringList &CmdArgs) const;
+ public:
+ ClangAs(const ToolChain &TC) : Tool("clang::as",
+ "clang integrated assembler", TC) {}
+
+ virtual bool hasGoodDiagnostics() const { return true; }
+ virtual bool hasIntegratedAssembler() const { return false; }
+ virtual bool hasIntegratedCPP() const { return false; }
+
+ virtual void ConstructJob(Compilation &C, const JobAction &JA,
+ const InputInfo &Output,
+ const InputInfoList &Inputs,
+ const ArgList &TCArgs,
+ const char *LinkingOutput) const;
+ };
+
+ /// gcc - Generic GCC tool implementations.
+namespace gcc {
+ class LLVM_LIBRARY_VISIBILITY Common : public Tool {
+ public:
+ Common(const char *Name, const char *ShortName,
+ const ToolChain &TC) : Tool(Name, ShortName, TC) {}
+
+ virtual void ConstructJob(Compilation &C, const JobAction &JA,
+ const InputInfo &Output,
+ const InputInfoList &Inputs,
+ const ArgList &TCArgs,
+ const char *LinkingOutput) const;
+
+ /// RenderExtraToolArgs - Render any arguments necessary to force
+ /// the particular tool mode.
+ virtual void RenderExtraToolArgs(const JobAction &JA,
+ ArgStringList &CmdArgs) const = 0;
+ };
+
+
+ class LLVM_LIBRARY_VISIBILITY Preprocess : public Common {
+ public:
+ Preprocess(const ToolChain &TC) : Common("gcc::Preprocess",
+ "gcc preprocessor", TC) {}
+
+ virtual bool hasGoodDiagnostics() const { return true; }
+ virtual bool hasIntegratedCPP() const { return false; }
+
+ virtual void RenderExtraToolArgs(const JobAction &JA,
+ ArgStringList &CmdArgs) const;
+ };
+
+ class LLVM_LIBRARY_VISIBILITY Precompile : public Common {
+ public:
+ Precompile(const ToolChain &TC) : Common("gcc::Precompile",
+ "gcc precompile", TC) {}
+
+ virtual bool hasGoodDiagnostics() const { return true; }
+ virtual bool hasIntegratedCPP() const { return true; }
+
+ virtual void RenderExtraToolArgs(const JobAction &JA,
+ ArgStringList &CmdArgs) const;
+ };
+
+ class LLVM_LIBRARY_VISIBILITY Compile : public Common {
+ public:
+ Compile(const ToolChain &TC) : Common("gcc::Compile",
+ "gcc frontend", TC) {}
+
+ virtual bool hasGoodDiagnostics() const { return true; }
+ virtual bool hasIntegratedCPP() const { return true; }
+
+ virtual void RenderExtraToolArgs(const JobAction &JA,
+ ArgStringList &CmdArgs) const;
+ };
+
+ class LLVM_LIBRARY_VISIBILITY Assemble : public Common {
+ public:
+ Assemble(const ToolChain &TC) : Common("gcc::Assemble",
+ "assembler (via gcc)", TC) {}
+
+ virtual bool hasIntegratedCPP() const { return false; }
+
+ virtual void RenderExtraToolArgs(const JobAction &JA,
+ ArgStringList &CmdArgs) const;
+ };
+
+ class LLVM_LIBRARY_VISIBILITY Link : public Common {
+ public:
+ Link(const ToolChain &TC) : Common("gcc::Link",
+ "linker (via gcc)", TC) {}
+
+ virtual bool hasIntegratedCPP() const { return false; }
+ virtual bool isLinkJob() const { return true; }
+
+ virtual void RenderExtraToolArgs(const JobAction &JA,
+ ArgStringList &CmdArgs) const;
+ };
+} // end namespace gcc
+
+namespace hexagon {
+ // For Hexagon, we do not need to instantiate tools for PreProcess, PreCompile and Compile.
+ // We simply use "clang -cc1" for those actions.
+ class LLVM_LIBRARY_VISIBILITY Assemble : public Tool {
+ public:
+ Assemble(const ToolChain &TC) : Tool("hexagon::Assemble",
+ "hexagon-as", TC) {}
+
+ virtual bool hasIntegratedCPP() const { return false; }
+
+ virtual void RenderExtraToolArgs(const JobAction &JA,
+ ArgStringList &CmdArgs) const;
+ virtual void ConstructJob(Compilation &C, const JobAction &JA,
+ const InputInfo &Output,
+ const InputInfoList &Inputs,
+ const ArgList &TCArgs,
+ const char *LinkingOutput) const;
+ };
+
+ class LLVM_LIBRARY_VISIBILITY Link : public Tool {
+ public:
+ Link(const ToolChain &TC) : Tool("hexagon::Link",
+ "hexagon-ld", TC) {}
+
+ virtual bool hasIntegratedCPP() const { return false; }
+ virtual bool isLinkJob() const { return true; }
+
+ virtual void RenderExtraToolArgs(const JobAction &JA,
+ ArgStringList &CmdArgs) const;
+ virtual void ConstructJob(Compilation &C, const JobAction &JA,
+ const InputInfo &Output,
+ const InputInfoList &Inputs,
+ const ArgList &TCArgs,
+ const char *LinkingOutput) const;
+ };
+} // end namespace hexagon.
+
+
+namespace darwin {
+ class LLVM_LIBRARY_VISIBILITY DarwinTool : public Tool {
+ virtual void anchor();
+ protected:
+ void AddDarwinArch(const ArgList &Args, ArgStringList &CmdArgs) const;
+
+ const toolchains::Darwin &getDarwinToolChain() const {
+ return reinterpret_cast<const toolchains::Darwin&>(getToolChain());
+ }
+
+ public:
+ DarwinTool(const char *Name, const char *ShortName,
+ const ToolChain &TC) : Tool(Name, ShortName, TC) {}
+ };
+
+ class LLVM_LIBRARY_VISIBILITY CC1 : public DarwinTool {
+ virtual void anchor();
+ public:
+ static const char *getBaseInputName(const ArgList &Args,
+ const InputInfoList &Input);
+ static const char *getBaseInputStem(const ArgList &Args,
+ const InputInfoList &Input);
+ static const char *getDependencyFileName(const ArgList &Args,
+ const InputInfoList &Inputs);
+
+ protected:
+ const char *getCC1Name(types::ID Type) const;
+
+ void AddCC1Args(const ArgList &Args, ArgStringList &CmdArgs) const;
+ void RemoveCC1UnsupportedArgs(ArgStringList &CmdArgs) const;
+ void AddCC1OptionsArgs(const ArgList &Args, ArgStringList &CmdArgs,
+ const InputInfoList &Inputs,
+ const ArgStringList &OutputArgs) const;
+ void AddCPPOptionsArgs(const ArgList &Args, ArgStringList &CmdArgs,
+ const InputInfoList &Inputs,
+ const ArgStringList &OutputArgs) const;
+ void AddCPPUniqueOptionsArgs(const ArgList &Args,
+ ArgStringList &CmdArgs,
+ const InputInfoList &Inputs) const;
+ void AddCPPArgs(const ArgList &Args, ArgStringList &CmdArgs) const;
+
+ public:
+ CC1(const char *Name, const char *ShortName,
+ const ToolChain &TC) : DarwinTool(Name, ShortName, TC) {}
+
+ virtual bool hasGoodDiagnostics() const { return true; }
+ virtual bool hasIntegratedCPP() const { return true; }
+ };
+
+ class LLVM_LIBRARY_VISIBILITY Preprocess : public CC1 {
+ public:
+ Preprocess(const ToolChain &TC) : CC1("darwin::Preprocess",
+ "gcc preprocessor", TC) {}
+
+ virtual void ConstructJob(Compilation &C, const JobAction &JA,
+ const InputInfo &Output,
+ const InputInfoList &Inputs,
+ const ArgList &TCArgs,
+ const char *LinkingOutput) const;
+ };
+
+ class LLVM_LIBRARY_VISIBILITY Compile : public CC1 {
+ public:
+ Compile(const ToolChain &TC) : CC1("darwin::Compile", "gcc frontend", TC) {}
+
+ virtual void ConstructJob(Compilation &C, const JobAction &JA,
+ const InputInfo &Output,
+ const InputInfoList &Inputs,
+ const ArgList &TCArgs,
+ const char *LinkingOutput) const;
+ };
+
+ class LLVM_LIBRARY_VISIBILITY Assemble : public DarwinTool {
+ public:
+ Assemble(const ToolChain &TC) : DarwinTool("darwin::Assemble",
+ "assembler", TC) {}
+
+ virtual bool hasIntegratedCPP() const { return false; }
+
+ virtual void ConstructJob(Compilation &C, const JobAction &JA,
+ const InputInfo &Output,
+ const InputInfoList &Inputs,
+ const ArgList &TCArgs,
+ const char *LinkingOutput) const;
+ };
+
+ class LLVM_LIBRARY_VISIBILITY Link : public DarwinTool {
+ void AddLinkArgs(Compilation &C, const ArgList &Args,
+ ArgStringList &CmdArgs) const;
+
+ public:
+ Link(const ToolChain &TC) : DarwinTool("darwin::Link", "linker", TC) {}
+
+ virtual bool hasIntegratedCPP() const { return false; }
+ virtual bool isLinkJob() const { return true; }
+
+ virtual void ConstructJob(Compilation &C, const JobAction &JA,
+ const InputInfo &Output,
+ const InputInfoList &Inputs,
+ const ArgList &TCArgs,
+ const char *LinkingOutput) const;
+ };
+
+ class LLVM_LIBRARY_VISIBILITY Lipo : public DarwinTool {
+ public:
+ Lipo(const ToolChain &TC) : DarwinTool("darwin::Lipo", "lipo", TC) {}
+
+ virtual bool hasIntegratedCPP() const { return false; }
+
+ virtual void ConstructJob(Compilation &C, const JobAction &JA,
+ const InputInfo &Output,
+ const InputInfoList &Inputs,
+ const ArgList &TCArgs,
+ const char *LinkingOutput) const;
+ };
+
+ class LLVM_LIBRARY_VISIBILITY Dsymutil : public DarwinTool {
+ public:
+ Dsymutil(const ToolChain &TC) : DarwinTool("darwin::Dsymutil",
+ "dsymutil", TC) {}
+
+ virtual bool hasIntegratedCPP() const { return false; }
+
+ virtual void ConstructJob(Compilation &C, const JobAction &JA,
+ const InputInfo &Output,
+ const InputInfoList &Inputs,
+ const ArgList &TCArgs,
+ const char *LinkingOutput) const;
+ };
+
+ class LLVM_LIBRARY_VISIBILITY VerifyDebug : public DarwinTool {
+ public:
+ VerifyDebug(const ToolChain &TC) : DarwinTool("darwin::VerifyDebug",
+ "dwarfdump", TC) {}
+
+ virtual bool hasIntegratedCPP() const { return false; }
+
+ virtual void ConstructJob(Compilation &C, const JobAction &JA,
+ const InputInfo &Output,
+ const InputInfoList &Inputs,
+ const ArgList &TCArgs,
+ const char *LinkingOutput) const;
+ };
+
+}
+
+ /// openbsd -- Directly call GNU Binutils assembler and linker
+namespace openbsd {
+ class LLVM_LIBRARY_VISIBILITY Assemble : public Tool {
+ public:
+ Assemble(const ToolChain &TC) : Tool("openbsd::Assemble", "assembler",
+ TC) {}
+
+ virtual bool hasIntegratedCPP() const { return false; }
+
+ virtual void ConstructJob(Compilation &C, const JobAction &JA,
+ const InputInfo &Output,
+ const InputInfoList &Inputs,
+ const ArgList &TCArgs,
+ const char *LinkingOutput) const;
+ };
+ class LLVM_LIBRARY_VISIBILITY Link : public Tool {
+ public:
+ Link(const ToolChain &TC) : Tool("openbsd::Link", "linker", TC) {}
+
+ virtual bool hasIntegratedCPP() const { return false; }
+ virtual bool isLinkJob() const { return true; }
+
+ virtual void ConstructJob(Compilation &C, const JobAction &JA,
+ const InputInfo &Output,
+ const InputInfoList &Inputs,
+ const ArgList &TCArgs,
+ const char *LinkingOutput) const;
+ };
+} // end namespace openbsd
+
+ /// freebsd -- Directly call GNU Binutils assembler and linker
+namespace freebsd {
+ class LLVM_LIBRARY_VISIBILITY Assemble : public Tool {
+ public:
+ Assemble(const ToolChain &TC) : Tool("freebsd::Assemble", "assembler",
+ TC) {}
+
+ virtual bool hasIntegratedCPP() const { return false; }
+
+ virtual void ConstructJob(Compilation &C, const JobAction &JA,
+ const InputInfo &Output,
+ const InputInfoList &Inputs,
+ const ArgList &TCArgs,
+ const char *LinkingOutput) const;
+ };
+ class LLVM_LIBRARY_VISIBILITY Link : public Tool {
+ public:
+ Link(const ToolChain &TC) : Tool("freebsd::Link", "linker", TC) {}
+
+ virtual bool hasIntegratedCPP() const { return false; }
+ virtual bool isLinkJob() const { return true; }
+
+ virtual void ConstructJob(Compilation &C, const JobAction &JA,
+ const InputInfo &Output,
+ const InputInfoList &Inputs,
+ const ArgList &TCArgs,
+ const char *LinkingOutput) const;
+ };
+} // end namespace freebsd
+
+ /// netbsd -- Directly call GNU Binutils assembler and linker
+namespace netbsd {
+ class LLVM_LIBRARY_VISIBILITY Assemble : public Tool {
+
+ public:
+ Assemble(const ToolChain &TC)
+ : Tool("netbsd::Assemble", "assembler", TC) {}
+
+ virtual bool hasIntegratedCPP() const { return false; }
+
+ virtual void ConstructJob(Compilation &C, const JobAction &JA,
+ const InputInfo &Output,
+ const InputInfoList &Inputs,
+ const ArgList &TCArgs,
+ const char *LinkingOutput) const;
+ };
+ class LLVM_LIBRARY_VISIBILITY Link : public Tool {
+
+ public:
+ Link(const ToolChain &TC)
+ : Tool("netbsd::Link", "linker", TC) {}
+
+ virtual bool hasIntegratedCPP() const { return false; }
+ virtual bool isLinkJob() const { return true; }
+
+ virtual void ConstructJob(Compilation &C, const JobAction &JA,
+ const InputInfo &Output,
+ const InputInfoList &Inputs,
+ const ArgList &TCArgs,
+ const char *LinkingOutput) const;
+ };
+} // end namespace netbsd
+
+ /// linux -- Directly call GNU Binutils assembler and linker
+namespace linuxtools {
+ class LLVM_LIBRARY_VISIBILITY Assemble : public Tool {
+ public:
+ Assemble(const ToolChain &TC) : Tool("linux::Assemble", "assembler",
+ TC) {}
+
+ virtual bool hasIntegratedCPP() const { return false; }
+
+ virtual void ConstructJob(Compilation &C, const JobAction &JA,
+ const InputInfo &Output,
+ const InputInfoList &Inputs,
+ const ArgList &TCArgs,
+ const char *LinkingOutput) const;
+ };
+ class LLVM_LIBRARY_VISIBILITY Link : public Tool {
+ public:
+ Link(const ToolChain &TC) : Tool("linux::Link", "linker", TC) {}
+
+ virtual bool hasIntegratedCPP() const { return false; }
+ virtual bool isLinkJob() const { return true; }
+
+ virtual void ConstructJob(Compilation &C, const JobAction &JA,
+ const InputInfo &Output,
+ const InputInfoList &Inputs,
+ const ArgList &TCArgs,
+ const char *LinkingOutput) const;
+ };
+}
+ /// minix -- Directly call GNU Binutils assembler and linker
+namespace minix {
+ class LLVM_LIBRARY_VISIBILITY Assemble : public Tool {
+ public:
+ Assemble(const ToolChain &TC) : Tool("minix::Assemble", "assembler",
+ TC) {}
+
+ virtual bool hasIntegratedCPP() const { return false; }
+
+ virtual void ConstructJob(Compilation &C, const JobAction &JA,
+ const InputInfo &Output,
+ const InputInfoList &Inputs,
+ const ArgList &TCArgs,
+ const char *LinkingOutput) const;
+ };
+ class LLVM_LIBRARY_VISIBILITY Link : public Tool {
+ public:
+ Link(const ToolChain &TC) : Tool("minix::Link", "linker", TC) {}
+
+ virtual bool hasIntegratedCPP() const { return false; }
+ virtual bool isLinkJob() const { return true; }
+
+ virtual void ConstructJob(Compilation &C, const JobAction &JA,
+ const InputInfo &Output,
+ const InputInfoList &Inputs,
+ const ArgList &TCArgs,
+ const char *LinkingOutput) const;
+ };
+} // end namespace minix
+
+ /// solaris -- Directly call Solaris assembler and linker
+namespace solaris {
+ class LLVM_LIBRARY_VISIBILITY Assemble : public Tool {
+ public:
+ Assemble(const ToolChain &TC) : Tool("solaris::Assemble", "assembler",
+ TC) {}
+
+ virtual bool hasIntegratedCPP() const { return false; }
+
+ virtual void ConstructJob(Compilation &C, const JobAction &JA,
+ const InputInfo &Output,
+ const InputInfoList &Inputs,
+ const ArgList &TCArgs,
+ const char *LinkingOutput) const;
+ };
+ class LLVM_LIBRARY_VISIBILITY Link : public Tool {
+ public:
+ Link(const ToolChain &TC) : Tool("solaris::Link", "linker", TC) {}
+
+ virtual bool hasIntegratedCPP() const { return false; }
+ virtual bool isLinkJob() const { return true; }
+
+ virtual void ConstructJob(Compilation &C, const JobAction &JA,
+ const InputInfo &Output,
+ const InputInfoList &Inputs,
+ const ArgList &TCArgs,
+ const char *LinkingOutput) const;
+ };
+} // end namespace solaris
+
+ /// auroraux -- Directly call GNU Binutils assembler and linker
+namespace auroraux {
+ class LLVM_LIBRARY_VISIBILITY Assemble : public Tool {
+ public:
+ Assemble(const ToolChain &TC) : Tool("auroraux::Assemble", "assembler",
+ TC) {}
+
+ virtual bool hasIntegratedCPP() const { return false; }
+
+ virtual void ConstructJob(Compilation &C, const JobAction &JA,
+ const InputInfo &Output,
+ const InputInfoList &Inputs,
+ const ArgList &TCArgs,
+ const char *LinkingOutput) const;
+ };
+ class LLVM_LIBRARY_VISIBILITY Link : public Tool {
+ public:
+ Link(const ToolChain &TC) : Tool("auroraux::Link", "linker", TC) {}
+
+ virtual bool hasIntegratedCPP() const { return false; }
+ virtual bool isLinkJob() const { return true; }
+
+ virtual void ConstructJob(Compilation &C, const JobAction &JA,
+ const InputInfo &Output,
+ const InputInfoList &Inputs,
+ const ArgList &TCArgs,
+ const char *LinkingOutput) const;
+ };
+} // end namespace auroraux
+
+ /// dragonfly -- Directly call GNU Binutils assembler and linker
+namespace dragonfly {
+ class LLVM_LIBRARY_VISIBILITY Assemble : public Tool {
+ public:
+ Assemble(const ToolChain &TC) : Tool("dragonfly::Assemble", "assembler",
+ TC) {}
+
+ virtual bool hasIntegratedCPP() const { return false; }
+
+ virtual void ConstructJob(Compilation &C, const JobAction &JA,
+ const InputInfo &Output,
+ const InputInfoList &Inputs,
+ const ArgList &TCArgs,
+ const char *LinkingOutput) const;
+ };
+ class LLVM_LIBRARY_VISIBILITY Link : public Tool {
+ public:
+ Link(const ToolChain &TC) : Tool("dragonfly::Link", "linker", TC) {}
+
+ virtual bool hasIntegratedCPP() const { return false; }
+ virtual bool isLinkJob() const { return true; }
+
+ virtual void ConstructJob(Compilation &C, const JobAction &JA,
+ const InputInfo &Output,
+ const InputInfoList &Inputs,
+ const ArgList &TCArgs,
+ const char *LinkingOutput) const;
+ };
+} // end namespace dragonfly
+
+ /// Visual studio tools.
+namespace visualstudio {
+ class LLVM_LIBRARY_VISIBILITY Link : public Tool {
+ public:
+ Link(const ToolChain &TC) : Tool("visualstudio::Link", "linker", TC) {}
+
+ virtual bool hasIntegratedCPP() const { return false; }
+ virtual bool isLinkJob() const { return true; }
+
+ virtual void ConstructJob(Compilation &C, const JobAction &JA,
+ const InputInfo &Output,
+ const InputInfoList &Inputs,
+ const ArgList &TCArgs,
+ const char *LinkingOutput) const;
+ };
+} // end namespace visualstudio
+
+} // end namespace toolchains
+} // end namespace driver
+} // end namespace clang
+
+#endif // CLANG_LIB_DRIVER_TOOLS_H_
diff --git a/clang/lib/Driver/Types.cpp b/clang/lib/Driver/Types.cpp
new file mode 100644
index 0000000..50742fe
--- /dev/null
+++ b/clang/lib/Driver/Types.cpp
@@ -0,0 +1,254 @@
+//===--- Types.cpp - Driver input & temporary type information ------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "clang/Driver/Types.h"
+
+#include "llvm/ADT/StringSwitch.h"
+#include <string.h>
+#include <cassert>
+
+using namespace clang::driver;
+using namespace clang::driver::types;
+
+struct TypeInfo {
+ const char *Name;
+ const char *Flags;
+ const char *TempSuffix;
+ ID PreprocessedType;
+};
+
+static const TypeInfo TypeInfos[] = {
+#define TYPE(NAME, ID, PP_TYPE, TEMP_SUFFIX, FLAGS) \
+ { NAME, FLAGS, TEMP_SUFFIX, TY_##PP_TYPE, },
+#include "clang/Driver/Types.def"
+#undef TYPE
+};
+static const unsigned numTypes = sizeof(TypeInfos) / sizeof(TypeInfos[0]);
+
+static const TypeInfo &getInfo(unsigned id) {
+ assert(id > 0 && id - 1 < numTypes && "Invalid Type ID.");
+ return TypeInfos[id - 1];
+}
+
+const char *types::getTypeName(ID Id) {
+ return getInfo(Id).Name;
+}
+
+types::ID types::getPreprocessedType(ID Id) {
+ return getInfo(Id).PreprocessedType;
+}
+
+const char *types::getTypeTempSuffix(ID Id) {
+ return getInfo(Id).TempSuffix;
+}
+
+bool types::onlyAssembleType(ID Id) {
+ return strchr(getInfo(Id).Flags, 'a');
+}
+
+bool types::onlyPrecompileType(ID Id) {
+ return strchr(getInfo(Id).Flags, 'p');
+}
+
+bool types::canTypeBeUserSpecified(ID Id) {
+ return strchr(getInfo(Id).Flags, 'u');
+}
+
+bool types::appendSuffixForType(ID Id) {
+ return strchr(getInfo(Id).Flags, 'A');
+}
+
+bool types::canLipoType(ID Id) {
+ return (Id == TY_Nothing ||
+ Id == TY_Image ||
+ Id == TY_Object);
+}
+
+bool types::isAcceptedByClang(ID Id) {
+ switch (Id) {
+ default:
+ return false;
+
+ case TY_Asm:
+ case TY_C: case TY_PP_C:
+ case TY_CL:
+ case TY_CUDA:
+ case TY_ObjC: case TY_PP_ObjC: case TY_PP_ObjC_Alias:
+ case TY_CXX: case TY_PP_CXX:
+ case TY_ObjCXX: case TY_PP_ObjCXX: case TY_PP_ObjCXX_Alias:
+ case TY_CHeader: case TY_PP_CHeader:
+ case TY_CLHeader:
+ case TY_ObjCHeader: case TY_PP_ObjCHeader:
+ case TY_CXXHeader: case TY_PP_CXXHeader:
+ case TY_ObjCXXHeader: case TY_PP_ObjCXXHeader:
+ case TY_AST:
+ case TY_LLVM_IR: case TY_LLVM_BC:
+ return true;
+ }
+}
+
+bool types::isOnlyAcceptedByClang(ID Id) {
+ switch (Id) {
+ default:
+ return false;
+
+ case TY_AST:
+ case TY_LLVM_IR:
+ case TY_LLVM_BC:
+ case TY_RewrittenObjC:
+ case TY_RewrittenLegacyObjC:
+ return true;
+ }
+}
+
+bool types::isObjC(ID Id) {
+ switch (Id) {
+ default:
+ return false;
+
+ case TY_ObjC: case TY_PP_ObjC: case TY_PP_ObjC_Alias:
+ case TY_ObjCXX: case TY_PP_ObjCXX:
+ case TY_ObjCHeader: case TY_PP_ObjCHeader:
+ case TY_ObjCXXHeader: case TY_PP_ObjCXXHeader: case TY_PP_ObjCXX_Alias:
+ return true;
+ }
+}
+
+bool types::isCXX(ID Id) {
+ switch (Id) {
+ default:
+ return false;
+
+ case TY_CXX: case TY_PP_CXX:
+ case TY_ObjCXX: case TY_PP_ObjCXX:
+ case TY_CXXHeader: case TY_PP_CXXHeader:
+ case TY_ObjCXXHeader: case TY_PP_ObjCXXHeader:
+ return true;
+ }
+}
+
+types::ID types::lookupTypeForExtension(const char *Ext) {
+ return llvm::StringSwitch<types::ID>(Ext)
+ .Case("c", TY_C)
+ .Case("i", TY_PP_C)
+ .Case("m", TY_ObjC)
+ .Case("M", TY_ObjCXX)
+ .Case("h", TY_CHeader)
+ .Case("C", TY_CXX)
+ .Case("H", TY_CXXHeader)
+ .Case("f", TY_PP_Fortran)
+ .Case("F", TY_Fortran)
+ .Case("s", TY_PP_Asm)
+ .Case("S", TY_Asm)
+ .Case("o", TY_Object)
+ .Case("ii", TY_PP_CXX)
+ .Case("mi", TY_PP_ObjC)
+ .Case("mm", TY_ObjCXX)
+ .Case("bc", TY_LLVM_BC)
+ .Case("cc", TY_CXX)
+ .Case("CC", TY_CXX)
+ .Case("cl", TY_CL)
+ .Case("cp", TY_CXX)
+ .Case("cu", TY_CUDA)
+ .Case("hh", TY_CXXHeader)
+ .Case("ll", TY_LLVM_IR)
+ .Case("hpp", TY_CXXHeader)
+ .Case("ads", TY_Ada)
+ .Case("adb", TY_Ada)
+ .Case("ast", TY_AST)
+ .Case("c++", TY_CXX)
+ .Case("C++", TY_CXX)
+ .Case("cxx", TY_CXX)
+ .Case("cpp", TY_CXX)
+ .Case("CPP", TY_CXX)
+ .Case("CXX", TY_CXX)
+ .Case("for", TY_PP_Fortran)
+ .Case("FOR", TY_PP_Fortran)
+ .Case("fpp", TY_Fortran)
+ .Case("FPP", TY_Fortran)
+ .Case("f90", TY_PP_Fortran)
+ .Case("f95", TY_PP_Fortran)
+ .Case("F90", TY_Fortran)
+ .Case("F95", TY_Fortran)
+ .Case("mii", TY_PP_ObjCXX)
+ .Default(TY_INVALID);
+}
+
+types::ID types::lookupTypeForTypeSpecifier(const char *Name) {
+ unsigned N = strlen(Name);
+
+ for (unsigned i=0; i<numTypes; ++i) {
+ types::ID Id = (types::ID) (i + 1);
+ if (canTypeBeUserSpecified(Id) &&
+ memcmp(Name, getInfo(Id).Name, N + 1) == 0)
+ return Id;
+ }
+
+ return TY_INVALID;
+}
+
+// FIXME: Why don't we just put this list in the defs file, eh.
+
+unsigned types::getNumCompilationPhases(ID Id) {
+ if (Id == TY_Object)
+ return 1;
+
+ unsigned N = 0;
+ if (getPreprocessedType(Id) != TY_INVALID)
+ N += 1;
+
+ if (onlyAssembleType(Id))
+ return N + 2; // assemble, link
+ if (onlyPrecompileType(Id))
+ return N + 1; // precompile
+
+ return N + 3; // compile, assemble, link
+}
+
+phases::ID types::getCompilationPhase(ID Id, unsigned N) {
+ assert(N < getNumCompilationPhases(Id) && "Invalid index.");
+
+ if (Id == TY_Object)
+ return phases::Link;
+
+ if (getPreprocessedType(Id) != TY_INVALID) {
+ if (N == 0)
+ return phases::Preprocess;
+ --N;
+ }
+
+ if (onlyAssembleType(Id))
+ return N == 0 ? phases::Assemble : phases::Link;
+
+ if (onlyPrecompileType(Id))
+ return phases::Precompile;
+
+ if (N == 0)
+ return phases::Compile;
+ if (N == 1)
+ return phases::Assemble;
+
+ return phases::Link;
+}
+
+ID types::lookupCXXTypeForCType(ID Id) {
+ switch (Id) {
+ default:
+ return Id;
+
+ case types::TY_C:
+ return types::TY_CXX;
+ case types::TY_PP_C:
+ return types::TY_PP_CXX;
+ case types::TY_CHeader:
+ return types::TY_CXXHeader;
+ case types::TY_PP_CHeader:
+ return types::TY_PP_CXXHeader;
+ }
+}
diff --git a/clang/lib/Driver/WindowsToolChain.cpp b/clang/lib/Driver/WindowsToolChain.cpp
new file mode 100644
index 0000000..6827034
--- /dev/null
+++ b/clang/lib/Driver/WindowsToolChain.cpp
@@ -0,0 +1,368 @@
+//===--- ToolChains.cpp - ToolChain Implementations -----------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "ToolChains.h"
+
+#include "clang/Driver/Arg.h"
+#include "clang/Driver/ArgList.h"
+#include "clang/Driver/Compilation.h"
+#include "clang/Driver/Driver.h"
+#include "clang/Driver/Options.h"
+#include "clang/Basic/Version.h"
+#include "llvm/Support/ErrorHandling.h"
+#include "llvm/Support/Path.h"
+
+// Include the necessary headers to interface with the Windows registry and
+// environment.
+#ifdef _MSC_VER
+ #define WIN32_LEAN_AND_MEAN
+ #define NOGDI
+ #define NOMINMAX
+ #include <Windows.h>
+#endif
+
+using namespace clang::driver;
+using namespace clang::driver::toolchains;
+using namespace clang;
+
+Windows::Windows(const Driver &D, const llvm::Triple& Triple)
+ : ToolChain(D, Triple) {
+}
+
+Tool &Windows::SelectTool(const Compilation &C, const JobAction &JA,
+ const ActionList &Inputs) const {
+ Action::ActionClass Key;
+ if (getDriver().ShouldUseClangCompiler(C, JA, getTriple()))
+ Key = Action::AnalyzeJobClass;
+ else
+ Key = JA.getKind();
+
+ bool UseIntegratedAs = C.getArgs().hasFlag(options::OPT_integrated_as,
+ options::OPT_no_integrated_as,
+ IsIntegratedAssemblerDefault());
+
+ Tool *&T = Tools[Key];
+ if (!T) {
+ switch (Key) {
+ case Action::InputClass:
+ case Action::BindArchClass:
+ case Action::LipoJobClass:
+ case Action::DsymutilJobClass:
+ case Action::VerifyJobClass:
+ llvm_unreachable("Invalid tool kind.");
+ case Action::PreprocessJobClass:
+ case Action::PrecompileJobClass:
+ case Action::AnalyzeJobClass:
+ case Action::MigrateJobClass:
+ case Action::CompileJobClass:
+ T = new tools::Clang(*this); break;
+ case Action::AssembleJobClass:
+ if (!UseIntegratedAs && getTriple().getEnvironment() == llvm::Triple::MachO)
+ T = new tools::darwin::Assemble(*this);
+ else
+ T = new tools::ClangAs(*this);
+ break;
+ case Action::LinkJobClass:
+ T = new tools::visualstudio::Link(*this); break;
+ }
+ }
+
+ return *T;
+}
+
+bool Windows::IsIntegratedAssemblerDefault() const {
+ return true;
+}
+
+bool Windows::IsUnwindTablesDefault() const {
+ // FIXME: Gross; we should probably have some separate target
+ // definition, possibly even reusing the one in clang.
+ return getArchName() == "x86_64";
+}
+
+const char *Windows::GetDefaultRelocationModel() const {
+ return "static";
+}
+
+const char *Windows::GetForcedPicModel() const {
+ if (getArchName() == "x86_64")
+ return "pic";
+ return 0;
+}
+
+// FIXME: This probably should goto to some platform utils place.
+#ifdef _MSC_VER
+
+/// \brief Read registry string.
+/// This also supports a means to look for high-versioned keys by use
+/// of a $VERSION placeholder in the key path.
+/// $VERSION in the key path is a placeholder for the version number,
+/// causing the highest value path to be searched for and used.
+/// I.e. "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\VisualStudio\\$VERSION".
+/// There can be additional characters in the component. Only the numberic
+/// characters are compared.
+static bool getSystemRegistryString(const char *keyPath, const char *valueName,
+ char *value, size_t maxLength) {
+ HKEY hRootKey = NULL;
+ HKEY hKey = NULL;
+ const char* subKey = NULL;
+ DWORD valueType;
+ DWORD valueSize = maxLength - 1;
+ long lResult;
+ bool returnValue = false;
+
+ if (strncmp(keyPath, "HKEY_CLASSES_ROOT\\", 18) == 0) {
+ hRootKey = HKEY_CLASSES_ROOT;
+ subKey = keyPath + 18;
+ } else if (strncmp(keyPath, "HKEY_USERS\\", 11) == 0) {
+ hRootKey = HKEY_USERS;
+ subKey = keyPath + 11;
+ } else if (strncmp(keyPath, "HKEY_LOCAL_MACHINE\\", 19) == 0) {
+ hRootKey = HKEY_LOCAL_MACHINE;
+ subKey = keyPath + 19;
+ } else if (strncmp(keyPath, "HKEY_CURRENT_USER\\", 18) == 0) {
+ hRootKey = HKEY_CURRENT_USER;
+ subKey = keyPath + 18;
+ } else {
+ return false;
+ }
+
+ const char *placeHolder = strstr(subKey, "$VERSION");
+ char bestName[256];
+ bestName[0] = '\0';
+ // If we have a $VERSION placeholder, do the highest-version search.
+ if (placeHolder) {
+ const char *keyEnd = placeHolder - 1;
+ const char *nextKey = placeHolder;
+ // Find end of previous key.
+ while ((keyEnd > subKey) && (*keyEnd != '\\'))
+ keyEnd--;
+ // Find end of key containing $VERSION.
+ while (*nextKey && (*nextKey != '\\'))
+ nextKey++;
+ size_t partialKeyLength = keyEnd - subKey;
+ char partialKey[256];
+ if (partialKeyLength > sizeof(partialKey))
+ partialKeyLength = sizeof(partialKey);
+ strncpy(partialKey, subKey, partialKeyLength);
+ partialKey[partialKeyLength] = '\0';
+ HKEY hTopKey = NULL;
+ lResult = RegOpenKeyEx(hRootKey, partialKey, 0, KEY_READ, &hTopKey);
+ if (lResult == ERROR_SUCCESS) {
+ char keyName[256];
+ int bestIndex = -1;
+ double bestValue = 0.0;
+ DWORD index, size = sizeof(keyName) - 1;
+ for (index = 0; RegEnumKeyEx(hTopKey, index, keyName, &size, NULL,
+ NULL, NULL, NULL) == ERROR_SUCCESS; index++) {
+ const char *sp = keyName;
+ while (*sp && !isdigit(*sp))
+ sp++;
+ if (!*sp)
+ continue;
+ const char *ep = sp + 1;
+ while (*ep && (isdigit(*ep) || (*ep == '.')))
+ ep++;
+ char numBuf[32];
+ strncpy(numBuf, sp, sizeof(numBuf) - 1);
+ numBuf[sizeof(numBuf) - 1] = '\0';
+ double value = strtod(numBuf, NULL);
+ if (value > bestValue) {
+ bestIndex = (int)index;
+ bestValue = value;
+ strcpy(bestName, keyName);
+ }
+ size = sizeof(keyName) - 1;
+ }
+ // If we found the highest versioned key, open the key and get the value.
+ if (bestIndex != -1) {
+ // Append rest of key.
+ strncat(bestName, nextKey, sizeof(bestName) - 1);
+ bestName[sizeof(bestName) - 1] = '\0';
+ // Open the chosen key path remainder.
+ lResult = RegOpenKeyEx(hTopKey, bestName, 0, KEY_READ, &hKey);
+ if (lResult == ERROR_SUCCESS) {
+ lResult = RegQueryValueEx(hKey, valueName, NULL, &valueType,
+ (LPBYTE)value, &valueSize);
+ if (lResult == ERROR_SUCCESS)
+ returnValue = true;
+ RegCloseKey(hKey);
+ }
+ }
+ RegCloseKey(hTopKey);
+ }
+ } else {
+ lResult = RegOpenKeyEx(hRootKey, subKey, 0, KEY_READ, &hKey);
+ if (lResult == ERROR_SUCCESS) {
+ lResult = RegQueryValueEx(hKey, valueName, NULL, &valueType,
+ (LPBYTE)value, &valueSize);
+ if (lResult == ERROR_SUCCESS)
+ returnValue = true;
+ RegCloseKey(hKey);
+ }
+ }
+ return returnValue;
+}
+
+/// \brief Get Windows SDK installation directory.
+static bool getWindowsSDKDir(std::string &path) {
+ char windowsSDKInstallDir[256];
+ // Try the Windows registry.
+ bool hasSDKDir = getSystemRegistryString(
+ "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Microsoft SDKs\\Windows\\$VERSION",
+ "InstallationFolder",
+ windowsSDKInstallDir,
+ sizeof(windowsSDKInstallDir) - 1);
+ // If we have both vc80 and vc90, pick version we were compiled with.
+ if (hasSDKDir && windowsSDKInstallDir[0]) {
+ path = windowsSDKInstallDir;
+ return true;
+ }
+ return false;
+}
+
+ // Get Visual Studio installation directory.
+static bool getVisualStudioDir(std::string &path) {
+ // First check the environment variables that vsvars32.bat sets.
+ const char* vcinstalldir = getenv("VCINSTALLDIR");
+ if (vcinstalldir) {
+ char *p = const_cast<char *>(strstr(vcinstalldir, "\\VC"));
+ if (p)
+ *p = '\0';
+ path = vcinstalldir;
+ return true;
+ }
+
+ char vsIDEInstallDir[256];
+ char vsExpressIDEInstallDir[256];
+ // Then try the windows registry.
+ bool hasVCDir = getSystemRegistryString(
+ "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\VisualStudio\\$VERSION",
+ "InstallDir", vsIDEInstallDir, sizeof(vsIDEInstallDir) - 1);
+ bool hasVCExpressDir = getSystemRegistryString(
+ "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\VCExpress\\$VERSION",
+ "InstallDir", vsExpressIDEInstallDir, sizeof(vsExpressIDEInstallDir) - 1);
+ // If we have both vc80 and vc90, pick version we were compiled with.
+ if (hasVCDir && vsIDEInstallDir[0]) {
+ char *p = (char*)strstr(vsIDEInstallDir, "\\Common7\\IDE");
+ if (p)
+ *p = '\0';
+ path = vsIDEInstallDir;
+ return true;
+ }
+
+ if (hasVCExpressDir && vsExpressIDEInstallDir[0]) {
+ char *p = (char*)strstr(vsExpressIDEInstallDir, "\\Common7\\IDE");
+ if (p)
+ *p = '\0';
+ path = vsExpressIDEInstallDir;
+ return true;
+ }
+
+ // Try the environment.
+ const char *vs100comntools = getenv("VS100COMNTOOLS");
+ const char *vs90comntools = getenv("VS90COMNTOOLS");
+ const char *vs80comntools = getenv("VS80COMNTOOLS");
+ const char *vscomntools = NULL;
+
+ // Try to find the version that we were compiled with
+ if(false) {}
+ #if (_MSC_VER >= 1600) // VC100
+ else if(vs100comntools) {
+ vscomntools = vs100comntools;
+ }
+ #elif (_MSC_VER == 1500) // VC80
+ else if(vs90comntools) {
+ vscomntools = vs90comntools;
+ }
+ #elif (_MSC_VER == 1400) // VC80
+ else if(vs80comntools) {
+ vscomntools = vs80comntools;
+ }
+ #endif
+ // Otherwise find any version we can
+ else if (vs100comntools)
+ vscomntools = vs100comntools;
+ else if (vs90comntools)
+ vscomntools = vs90comntools;
+ else if (vs80comntools)
+ vscomntools = vs80comntools;
+
+ if (vscomntools && *vscomntools) {
+ const char *p = strstr(vscomntools, "\\Common7\\Tools");
+ path = p ? std::string(vscomntools, p) : vscomntools;
+ return true;
+ }
+ return false;
+}
+
+#endif // _MSC_VER
+
+void Windows::AddClangSystemIncludeArgs(const ArgList &DriverArgs,
+ ArgStringList &CC1Args) const {
+ if (DriverArgs.hasArg(options::OPT_nostdinc))
+ return;
+
+ if (!DriverArgs.hasArg(options::OPT_nobuiltininc)) {
+ llvm::sys::Path P(getDriver().ResourceDir);
+ P.appendComponent("include");
+ addSystemInclude(DriverArgs, CC1Args, P.str());
+ }
+
+ if (DriverArgs.hasArg(options::OPT_nostdlibinc))
+ return;
+
+#ifdef _MSC_VER
+ // Honor %INCLUDE%. It should know essential search paths with vcvarsall.bat.
+ if (const char *cl_include_dir = getenv("INCLUDE")) {
+ SmallVector<StringRef, 8> Dirs;
+ StringRef(cl_include_dir).split(Dirs, ";");
+ int n = 0;
+ for (SmallVectorImpl<StringRef>::iterator I = Dirs.begin(), E = Dirs.end();
+ I != E; ++I) {
+ StringRef d = *I;
+ if (d.size() == 0)
+ continue;
+ ++n;
+ addSystemInclude(DriverArgs, CC1Args, d);
+ }
+ if (n) return;
+ }
+
+ std::string VSDir;
+ std::string WindowsSDKDir;
+
+ // When built with access to the proper Windows APIs, try to actually find
+ // the correct include paths first.
+ if (getVisualStudioDir(VSDir)) {
+ addSystemInclude(DriverArgs, CC1Args, VSDir + "\\VC\\include");
+ if (getWindowsSDKDir(WindowsSDKDir))
+ addSystemInclude(DriverArgs, CC1Args, WindowsSDKDir + "\\include");
+ else
+ addSystemInclude(DriverArgs, CC1Args,
+ VSDir + "\\VC\\PlatformSDK\\Include");
+ return;
+ }
+#endif // _MSC_VER
+
+ // As a fallback, select default install paths.
+ const StringRef Paths[] = {
+ "C:/Program Files/Microsoft Visual Studio 10.0/VC/include",
+ "C:/Program Files/Microsoft Visual Studio 9.0/VC/include",
+ "C:/Program Files/Microsoft Visual Studio 9.0/VC/PlatformSDK/Include",
+ "C:/Program Files/Microsoft Visual Studio 8/VC/include",
+ "C:/Program Files/Microsoft Visual Studio 8/VC/PlatformSDK/Include"
+ };
+ addSystemIncludes(DriverArgs, CC1Args, Paths);
+}
+
+void Windows::AddClangCXXStdlibIncludeArgs(const ArgList &DriverArgs,
+ ArgStringList &CC1Args) const {
+ // FIXME: There should probably be logic here to find libc++ on Windows.
+}
generated by cgit v1.2.3 (git 2.46.0) at 2024-09-21 04:44:52 +0000