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-rw-r--r--clang/lib/Driver/Tools.cpp5589
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diff --git a/clang/lib/Driver/Tools.cpp b/clang/lib/Driver/Tools.cpp
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+//===--- 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));
+}
generated by cgit v1.2.3 (git 2.46.2) at 2024-11-10 23:20:07 +0000