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Diffstat (limited to 'contrib/llvm/tools/clang/lib/Driver/Tools.cpp')
| -rw-r--r-- | contrib/llvm/tools/clang/lib/Driver/Tools.cpp | 3185 |
1 files changed, 3185 insertions, 0 deletions
diff --git a/contrib/llvm/tools/clang/lib/Driver/Tools.cpp b/contrib/llvm/tools/clang/lib/Driver/Tools.cpp new file mode 100644 index 0000000..918f0d9 --- /dev/null +++ b/contrib/llvm/tools/clang/lib/Driver/Tools.cpp @@ -0,0 +1,3185 @@ +//===--- 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/HostInfo.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/Format.h" +#include "llvm/Support/raw_ostream.h" +#include "llvm/System/Host.h" +#include "llvm/System/Process.h" + +#include "InputInfo.h" +#include "ToolChains.h" + +using namespace clang::driver; +using namespace clang::driver::tools; + +/// 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.Diag(clang::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(clang::diag::err_drv_argument_not_allowed_with) + << A->getAsString(Args) << "-static"; +} + +// Quote target names for inclusion in GNU Make dependency files. +// Only the characters '$', '#', ' ', '\t' are quoted. +static void QuoteTarget(llvm::StringRef Target, + llvm::SmallVectorImpl<char> &Res) { + for (unsigned i = 0, e = Target.size(); i != e; ++i) { + switch (Target[i]) { + case ' ': + case '\t': + // Escape the preceding backslashes + for (int j = i - 1; j >= 0 && Target[j] == '\\'; --j) + Res.push_back('\\'); + + // Escape the space/tab + Res.push_back('\\'); + break; + case '$': + Res.push_back('$'); + break; + case '#': + Res.push_back('\\'); + break; + default: + break; + } + + Res.push_back(Target[i]); + } +} + +void Clang::AddPreprocessingOptions(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)) || + (A = Args.getLastArg(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) { + if (Output.isPipe()) + DepFile = "-"; + else + DepFile = Output.getFilename(); + } else if (Arg *MF = Args.getLastArg(options::OPT_MF)) { + DepFile = MF->getValue(Args); + } else if (A->getOption().matches(options::OPT_M) || + A->getOption().matches(options::OPT_MM)) { + DepFile = "-"; + } else { + DepFile = darwin::CC1::getDependencyFileName(Args, Inputs); + } + 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. + llvm::sys::Path P(Inputs[0].getBaseInput()); + + P.eraseSuffix(); + P.appendSuffix("o"); + DepTarget = Args.MakeArgString(P.getLast()); + } + + CmdArgs.push_back("-MT"); + llvm::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"); + } + + 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) { + + it->claim(); + + if (it->getOption().matches(options::OPT_MQ)) { + CmdArgs.push_back("-MT"); + llvm::SmallString<128> Quoted; + QuoteTarget(it->getValue(Args), Quoted); + CmdArgs.push_back(Args.MakeArgString(Quoted)); + + // -MT flag - no change + } else { + it->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. + 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)) { + // Use PCH if the user requested it, except for C++ (for now). + bool UsePCH = D.CCCUsePCH; + if (types::isCXX(Inputs[0].getType())) + UsePCH = false; + + bool FoundPTH = false; + bool FoundPCH = false; + llvm::sys::Path P(A->getValue(Args)); + if (UsePCH) { + P.appendSuffix("pch"); + if (P.exists()) + FoundPCH = true; + else + P.eraseSuffix(); + } + + if (!FoundPCH) { + P.appendSuffix("pth"); + if (P.exists()) + FoundPTH = true; + else + P.eraseSuffix(); + } + + if (!FoundPCH && !FoundPTH) { + P.appendSuffix("gch"); + if (P.exists()) { + FoundPCH = UsePCH; + FoundPTH = !UsePCH; + } + else + P.eraseSuffix(); + } + + if (FoundPCH || FoundPTH) { + A->claim(); + if (UsePCH) + CmdArgs.push_back("-include-pch"); + else + CmdArgs.push_back("-include-pth"); + CmdArgs.push_back(Args.MakeArgString(P.str())); + continue; + } + } + + // 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); + + // 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(clang::diag::err_drv_I_dash_not_supported) << A->getAsString(Args); +} + +/// getARMTargetCPU - Get the (LLVM) name of the ARM cpu we are targetting. +// +// FIXME: tblgen this. +static const char *getARMTargetCPU(const ArgList &Args) { + // 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); + + // Otherwise, if we have -march= choose the base CPU for that arch. + if (Arg *A = Args.getLastArg(options::OPT_march_EQ)) { + llvm::StringRef MArch = A->getValue(Args); + + if (MArch == "armv2" || MArch == "armv2a") + return "arm2"; + if (MArch == "armv3") + return "arm6"; + if (MArch == "armv3m") + return "arm7m"; + if (MArch == "armv4" || MArch == "armv4t") + return "arm7tdmi"; + if (MArch == "armv5" || MArch == "armv5t") + return "arm10tdmi"; + if (MArch == "armv5e" || MArch == "armv5te") + return "arm1026ejs"; + if (MArch == "armv5tej") + return "arm926ej-s"; + if (MArch == "armv6" || MArch == "armv6k") + return "arm1136jf-s"; + if (MArch == "armv6j") + return "arm1136j-s"; + if (MArch == "armv6z" || MArch == "armv6zk") + return "arm1176jzf-s"; + if (MArch == "armv6t2") + return "arm1156t2-s"; + if (MArch == "armv7" || MArch == "armv7a" || MArch == "armv7-a") + return "cortex-a8"; + if (MArch == "armv7r" || MArch == "armv7-r") + return "cortex-r4"; + if (MArch == "armv7m" || MArch == "armv7-m") + return "cortex-m3"; + if (MArch == "ep9312") + return "ep9312"; + if (MArch == "iwmmxt") + return "iwmmxt"; + if (MArch == "xscale") + return "xscale"; + } + + // Otherwise return the most base CPU LLVM supports. + return "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(llvm::StringRef CPU) { + if (CPU == "arm7tdmi" || CPU == "arm7tdmi-s" || CPU == "arm710t" || + CPU == "arm720t" || CPU == "arm9" || CPU == "arm9tdmi" || + CPU == "arm920" || CPU == "arm920t" || CPU == "arm922t" || + CPU == "arm940t" || CPU == "ep9312") + return "v4t"; + + if (CPU == "arm10tdmi" || CPU == "arm1020t") + return "v5"; + + if (CPU == "arm9e" || CPU == "arm926ej-s" || CPU == "arm946e-s" || + CPU == "arm966e-s" || CPU == "arm968e-s" || CPU == "arm10e" || + CPU == "arm1020e" || CPU == "arm1022e" || CPU == "xscale" || + CPU == "iwmmxt") + return "v5e"; + + if (CPU == "arm1136j-s" || CPU == "arm1136jf-s" || CPU == "arm1176jz-s" || + CPU == "arm1176jzf-s" || CPU == "mpcorenovfp" || CPU == "mpcore") + return "v6"; + + if (CPU == "arm1156t2-s" || CPU == "arm1156t2f-s") + return "v6t2"; + + if (CPU == "cortex-a8" || CPU == "cortex-a9") + return "v7"; + + return ""; +} + +/// getLLVMTriple - Get the LLVM triple to use for a particular toolchain, which +/// may depend on command line arguments. +static std::string getLLVMTriple(const ToolChain &TC, const ArgList &Args) { + switch (TC.getTriple().getArch()) { + default: + return TC.getTripleString(); + + case llvm::Triple::arm: + case llvm::Triple::thumb: { + // FIXME: Factor into subclasses. + llvm::Triple Triple = TC.getTriple(); + + // Thumb2 is the default for V7 on Darwin. + // + // FIXME: Thumb should just be another -target-feaure, not in the triple. + llvm::StringRef Suffix = getLLVMArchSuffixForARM(getARMTargetCPU(Args)); + bool ThumbDefault = + (Suffix == "v7" && TC.getTriple().getOS() == llvm::Triple::Darwin); + std::string ArchName = "arm"; + if (Args.hasFlag(options::OPT_mthumb, options::OPT_mno_thumb, ThumbDefault)) + ArchName = "thumb"; + Triple.setArchName(ArchName + Suffix.str()); + + return Triple.getTriple(); + } + } +} + +// FIXME: Move to target hook. +static bool isSignedCharDefault(const llvm::Triple &Triple) { + switch (Triple.getArch()) { + default: + return true; + + case llvm::Triple::ppc: + case llvm::Triple::ppc64: + if (Triple.getOS() == llvm::Triple::Darwin) + return true; + return false; + + case llvm::Triple::systemz: + return false; + } +} + +void Clang::AddARMTargetArgs(const ArgList &Args, + ArgStringList &CmdArgs) const { + const Driver &D = getToolChain().getDriver(); + + // 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 (getToolChain().getTriple().getOS()) { + // FIXME: Is this right for non-Darwin and non-Linux? + default: + ABIName = "aapcs"; + break; + + case llvm::Triple::Darwin: + ABIName = "apcs-gnu"; + break; + + case llvm::Triple::Linux: + ABIName = "aapcs-linux"; + break; + } + } + 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)); + + // Select the float ABI as determined by -msoft-float, -mhard-float, and + // -mfloat-abi=. + llvm::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(clang::diag::err_drv_invalid_mfloat_abi) + << A->getAsString(Args); + FloatABI = "soft"; + } + } + } + + // If unspecified, choose the default based on the platform. + if (FloatABI.empty()) { + // FIXME: This is wrong for non-Darwin, we don't have a mechanism yet for + // distinguishing things like linux-eabi vs linux-elf. + switch (getToolChain().getTriple().getOS()) { + case llvm::Triple::Darwin: { + // Darwin defaults to "softfp" for v6 and v7. + // + // FIXME: Factor out an ARM class so we can cache the arch somewhere. + llvm::StringRef ArchName = getLLVMArchSuffixForARM(getARMTargetCPU(Args)); + if (ArchName.startswith("v6") || ArchName.startswith("v7")) + FloatABI = "softfp"; + else + FloatABI = "soft"; + break; + } + + default: + // Assume "soft", but warn the user we are guessing. + FloatABI = "soft"; + D.Diag(clang::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("-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=. + // + // FIXME: Centralize feature selection, defaulting shouldn't be also in the + // frontend target. + if (const Arg *A = Args.getLastArg(options::OPT_mfpu_EQ)) { + llvm::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 == "vfp") { + CmdArgs.push_back("-target-feature"); + CmdArgs.push_back("+vfp2"); + } else if (FPU == "vfp3") { + CmdArgs.push_back("-target-feature"); + CmdArgs.push_back("+vfp3"); + } else if (FPU == "neon") { + CmdArgs.push_back("-target-feature"); + CmdArgs.push_back("+neon"); + } else + D.Diag(clang::diag::err_drv_clang_unsupported) << A->getAsString(Args); + } +} + +void Clang::AddMIPSTargetArgs(const ArgList &Args, + ArgStringList &CmdArgs) const { + const Driver &D = getToolChain().getDriver(); + + // Select the ABI to use. + const char *ABIName = 0; + if (Arg *A = Args.getLastArg(options::OPT_mabi_EQ)) { + ABIName = A->getValue(Args); + } else { + ABIName = "o32"; + } + + CmdArgs.push_back("-target-abi"); + CmdArgs.push_back(ABIName); + + if (const Arg *A = Args.getLastArg(options::OPT_march_EQ)) { + llvm::StringRef MArch = A->getValue(Args); + CmdArgs.push_back("-target-cpu"); + + if ((MArch == "r2000") || (MArch == "r3000")) + CmdArgs.push_back("mips1"); + else if (MArch == "r6000") + CmdArgs.push_back("mips2"); + else + CmdArgs.push_back(MArch.str().c_str()); + } + + // Select the float ABI as determined by -msoft-float, -mhard-float, and + llvm::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()) { + // Assume "soft", but warn the user we are guessing. + FloatABI = "soft"; + D.Diag(clang::diag::warn_drv_assuming_mfloat_abi_is) << "soft"; + } + + 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"); + } 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 (llvm::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().getOS().startswith("darwin")) { + if (getToolChain().getArchName() == "x86_64") + CPUName = "core2"; + else if (getToolChain().getArchName() == "i386") + CPUName = "yonah"; + } else if (getToolChain().getOS().startswith("haiku")) { + if (getToolChain().getArchName() == "x86_64") + CPUName = "x86-64"; + else if (getToolChain().getArchName() == "i386") + CPUName = "i586"; + } else { + if (getToolChain().getArchName() == "x86_64") + CPUName = "x86-64"; + else if (getToolChain().getArchName() == "i386") + CPUName = "pentium4"; + } + } + + if (CPUName) { + CmdArgs.push_back("-target-cpu"); + CmdArgs.push_back(CPUName); + } + + for (arg_iterator it = Args.filtered_begin(options::OPT_m_x86_Features_Group), + ie = Args.filtered_end(); it != ie; ++it) { + llvm::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); + + CmdArgs.push_back("-target-feature"); + CmdArgs.push_back(Args.MakeArgString((IsNegative ? "-" : "+") + Name)); + } +} + +static bool needsExceptions(const ArgList &Args, types::ID InputType, + const llvm::Triple &Triple) { + if (Arg *A = Args.getLastArg(options::OPT_fexceptions, + options::OPT_fno_exceptions)) { + if (A->getOption().matches(options::OPT_fexceptions)) + return true; + else + return false; + } + switch (InputType) { + case types::TY_CXX: case types::TY_CXXHeader: + case types::TY_PP_CXX: case types::TY_PP_CXXHeader: + case types::TY_ObjCXX: case types::TY_ObjCXXHeader: + case types::TY_PP_ObjCXX: case types::TY_PP_ObjCXXHeader: + return true; + + case types::TY_ObjC: case types::TY_ObjCHeader: + case types::TY_PP_ObjC: case types::TY_PP_ObjCHeader: + if (Args.hasArg(options::OPT_fobjc_nonfragile_abi)) + return true; + if (Triple.getOS() != llvm::Triple::Darwin) + return false; + return (Triple.getDarwinMajorNumber() >= 9 && + Triple.getArch() == llvm::Triple::x86_64); + + default: + return false; + } +} + +/// getEffectiveClangTriple - Get the "effective" target triple, which is the +/// triple for the target but with the OS version potentially modified for +/// Darwin's -mmacosx-version-min. +static std::string getEffectiveClangTriple(const Driver &D, + const ToolChain &TC, + const ArgList &Args) { + llvm::Triple Triple(getLLVMTriple(TC, Args)); + + // Handle -mmacosx-version-min and -miphoneos-version-min. + if (Triple.getOS() != llvm::Triple::Darwin) { + // Diagnose use of -mmacosx-version-min and -miphoneos-version-min on + // non-Darwin. + if (Arg *A = Args.getLastArg(options::OPT_mmacosx_version_min_EQ, + options::OPT_miphoneos_version_min_EQ)) + D.Diag(clang::diag::err_drv_clang_unsupported) << A->getAsString(Args); + } else { + const toolchains::Darwin &DarwinTC( + reinterpret_cast<const toolchains::Darwin&>(TC)); + + // If the target isn't initialized (e.g., an unknown Darwin platform, return + // the default triple). + if (!DarwinTC.isTargetInitialized()) + return Triple.getTriple(); + + unsigned Version[3]; + DarwinTC.getTargetVersion(Version); + + // Mangle the target version into the OS triple component. For historical + // reasons that make little sense, the version passed here is the "darwin" + // version, which drops the 10 and offsets by 4. See inverse code when + // setting the OS version preprocessor define. + if (!DarwinTC.isTargetIPhoneOS()) { + Version[0] = Version[1] + 4; + Version[1] = Version[2]; + Version[2] = 0; + } else { + // Use the environment to communicate that we are targetting iPhoneOS. + Triple.setEnvironmentName("iphoneos"); + } + + llvm::SmallString<16> Str; + llvm::raw_svector_ostream(Str) << "darwin" << Version[0] + << "." << Version[1] << "." << Version[2]; + Triple.setOSName(Str.str()); + } + + return Triple.getTriple(); +} + +void Clang::ConstructJob(Compilation &C, const JobAction &JA, + Job &Dest, + 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 = getEffectiveClangTriple(D, getToolChain(), Args); + CmdArgs.push_back(Args.MakeArgString(TripleStr)); + + // Select the appropriate action. + if (isa<AnalyzeJobAction>(JA)) { + assert(JA.getType() == types::TY_Plist && "Invalid output type."); + CmdArgs.push_back("-analyze"); + } 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"); + + // At -O0, we use -mrelax-all by default. + bool IsOpt = false; + if (Arg *A = Args.getLastArg(options::OPT_O_Group)) + IsOpt = !A->getOption().matches(options::OPT_O0); + if (Args.hasFlag(options::OPT_mrelax_all, + options::OPT_mno_relax_all, + !IsOpt)) + CmdArgs.push_back("-mrelax-all"); + } else if (isa<PrecompileJobAction>(JA)) { + // Use PCH if the user requested it, except for C++ (for now). + bool UsePCH = D.CCCUsePCH; + if (types::isCXX(Inputs[0].getType())) + UsePCH = false; + + 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_LLVMAsm) { + CmdArgs.push_back("-emit-llvm"); + } else if (JA.getType() == types::TY_LLVMBC) { + 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"); + } 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"); + + // Add default argument set. + if (!Args.hasArg(options::OPT__analyzer_no_default_checks)) { + CmdArgs.push_back("-analyzer-check-dead-stores"); + // Do not enable the security-syntatic check since it + // it needs to be refined (known issues). + // CmdArgs.push_back("-analyzer-check-security-syntactic"); + CmdArgs.push_back("-analyzer-check-objc-mem"); + CmdArgs.push_back("-analyzer-eagerly-assume"); + CmdArgs.push_back("-analyzer-check-objc-methodsigs"); + // Do not enable the missing -dealloc check. + // '-analyzer-check-objc-missing-dealloc', + CmdArgs.push_back("-analyzer-check-objc-unused-ivars"); + } + + // 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. + bool PICEnabled = (Args.hasArg(options::OPT_fPIC) || + Args.hasArg(options::OPT_fpic) || + Args.hasArg(options::OPT_fPIE) || + Args.hasArg(options::OPT_fpie)); + bool PICDisabled = (Args.hasArg(options::OPT_mkernel) || + Args.hasArg(options::OPT_static)); + const char *Model = getToolChain().GetForcedPicModel(); + if (!Model) { + if (Args.hasArg(options::OPT_mdynamic_no_pic)) + Model = "dynamic-no-pic"; + else if (PICDisabled) + Model = "static"; + else if (PICEnabled) + Model = "pic"; + else + Model = getToolChain().GetDefaultRelocationModel(); + } + if (llvm::StringRef(Model) != "pic") { + CmdArgs.push_back("-mrelocation-model"); + CmdArgs.push_back(Model); + } + + // Infer the __PIC__ value. + // + // FIXME: This isn't quite right on Darwin, which always sets + // __PIC__=2. + if (strcmp(Model, "pic") == 0 || strcmp(Model, "dynamic-no-pic") == 0) { + CmdArgs.push_back("-pic-level"); + CmdArgs.push_back(Args.hasArg(options::OPT_fPIC) ? "2" : "1"); + } + if (!Args.hasFlag(options::OPT_fmerge_all_constants, + options::OPT_fno_merge_all_constants)) + CmdArgs.push_back("-no-merge-all-constants"); + + // LLVM Code Generator Options. + + // FIXME: Set --enable-unsafe-fp-math. + if (Args.hasFlag(options::OPT_fno_omit_frame_pointer, + options::OPT_fomit_frame_pointer)) + 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"); + + // 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().getOS() != llvm::Triple::Darwin) + CmdArgs.push_back("-mconstructor-aliases"); + + // 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); + break; + + case llvm::Triple::mips: + case llvm::Triple::mipsel: + AddMIPSTargetArgs(Args, CmdArgs); + break; + + case llvm::Triple::x86: + case llvm::Triple::x86_64: + AddX86TargetArgs(Args, CmdArgs); + break; + } + + // -fno-math-errno is default. + if (Args.hasFlag(options::OPT_fmath_errno, + options::OPT_fno_math_errno, + false)) + CmdArgs.push_back("-fmath-errno"); + + // Explicitly error on some things we know we don't support and can't just + // ignore. + types::ID InputType = Inputs[0].getType(); + Arg *Unsupported; + if ((Unsupported = Args.getLastArg(options::OPT_MG)) || + (Unsupported = Args.getLastArg(options::OPT_iframework)) || + (Unsupported = Args.getLastArg(options::OPT_fshort_enums))) + D.Diag(clang::diag::err_drv_clang_unsupported) + << Unsupported->getOption().getName(); + + if (types::isCXX(InputType) && + getToolChain().getTriple().getOS() == llvm::Triple::Darwin && + getToolChain().getTriple().getArch() == llvm::Triple::x86) { + if ((Unsupported = Args.getLastArg(options::OPT_fapple_kext))) + D.Diag(clang::diag::err_drv_clang_unsupported_opt_cxx_darwin_i386) + << Unsupported->getOption().getName(); + } + + Args.AddAllArgs(CmdArgs, options::OPT_v); + Args.AddLastArg(CmdArgs, options::OPT_P); + Args.AddLastArg(CmdArgs, options::OPT_print_ivar_layout); + + // 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.AddLastArg(CmdArgs, options::OPT_nostdinc); + 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()); + + // Add preprocessing options like -I, -D, etc. if we are using the + // preprocessor. + // + // FIXME: Support -fpreprocessed + if (types::getPreprocessedType(InputType) != types::TY_INVALID) + AddPreprocessingOptions(D, Args, CmdArgs, Output, Inputs); + + // 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_trigraphs)) + if (A->getIndex() > Std->getIndex()) + 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); + } + + // 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 (Arg *A = Args.getLastArg(options::OPT_ftemplate_depth_)) { + CmdArgs.push_back("-ftemplate-depth"); + CmdArgs.push_back(A->getValue(Args)); + } + + 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)); + } + + // 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(llvm::Twine(N))); + } + + if (const Arg *A = Args.getLastArg(options::OPT_fvisibility_EQ)) { + CmdArgs.push_back("-fvisibility"); + CmdArgs.push_back(A->getValue(Args)); + } + + // -fhosted is default. + if (KernelOrKext || Args.hasFlag(options::OPT_ffreestanding, + options::OPT_fhosted, + false)) + 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); + + // -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"); + + // 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 (getToolChain().SupportsObjCGC()) { + GCArg->render(Args, CmdArgs); + } else { + // FIXME: We should move this to a hard error. + D.Diag(clang::diag::warn_drv_objc_gc_unsupported) + << GCArg->getAsString(Args); + } + } + + Args.AddLastArg(CmdArgs, options::OPT_fno_caret_diagnostics); + Args.AddLastArg(CmdArgs, options::OPT_fno_show_column); + Args.AddLastArg(CmdArgs, options::OPT_fobjc_sender_dependent_dispatch); + Args.AddLastArg(CmdArgs, options::OPT_fdiagnostics_print_source_range_info); + Args.AddLastArg(CmdArgs, options::OPT_ftime_report); + Args.AddLastArg(CmdArgs, options::OPT_ftrapv); + Args.AddLastArg(CmdArgs, options::OPT_fwritable_strings); + + 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(); + if (StackProtectorLevel) { + CmdArgs.push_back("-stack-protector"); + CmdArgs.push_back(Args.MakeArgString(llvm::Twine(StackProtectorLevel))); + } + + // Forward -f options with positive and negative forms; we translate + // these by hand. + + // -fbuiltin is default. + 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())) { + CmdArgs.push_back("-fblocks"); + } + + // -faccess-control is default. + if (Args.hasFlag(options::OPT_fno_access_control, + options::OPT_faccess_control, + false)) + CmdArgs.push_back("-fno-access-control"); + + // -fexceptions=0 is default. + if (needsExceptions(Args, InputType, getToolChain().getTriple())) + CmdArgs.push_back("-fexceptions"); + + if (getToolChain().UseSjLjExceptions()) + CmdArgs.push_back("-fsjlj-exceptions"); + + // -frtti is default. + if (KernelOrKext || + !Args.hasFlag(options::OPT_frtti, options::OPT_fno_rtti)) + CmdArgs.push_back("-fno-rtti"); + + // -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 (KernelOrKext || !Args.hasFlag(options::OPT_fuse_cxa_atexit, + options::OPT_fno_use_cxa_atexit)) + 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"); + + // -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); + + // -fnext-runtime is default. + if (!Args.hasFlag(options::OPT_fnext_runtime, options::OPT_fgnu_runtime, + getToolChain().getTriple().getOS() == llvm::Triple::Darwin)) + CmdArgs.push_back("-fgnu-runtime"); + + // -fobjc-nonfragile-abi=0 is default. + if (types::isObjC(InputType)) { + unsigned Version = 1; + if (Args.hasArg(options::OPT_fobjc_nonfragile_abi) || + getToolChain().IsObjCNonFragileABIDefault()) + Version = 2; + if (Arg *A = Args.getLastArg(options::OPT_fobjc_abi_version_EQ)) { + if (llvm::StringRef(A->getValue(Args)) == "1") + Version = 1; + else if (llvm::StringRef(A->getValue(Args)) == "2") + Version = 2; + else + D.Diag(clang::diag::err_drv_clang_unsupported) << A->getAsString(Args); + } + + if (Version == 2) { + CmdArgs.push_back("-fobjc-nonfragile-abi"); + + // -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"); + } + } + + // FIXME: -fobjc-nonfragile-abi2 is a transient option meant to expose + // features in testing. It will eventually be removed. + if (Args.hasArg(options::OPT_fobjc_nonfragile_abi2)) + CmdArgs.push_back("-fobjc-nonfragile-abi2"); + } + + 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"); + + // -fcommon is default, only pass non-default. + 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(clang::diag::warn_drv_clang_unsupported) + << Args.getLastArg(options::OPT_funsigned_bitfields)->getAsString(Args); + + // -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"); + + Args.AddLastArg(CmdArgs, options::OPT_fdiagnostics_binary); + + // 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)); + } + + // 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"); + + // -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(clang::diag::warn_drv_clang_unsupported) << A->getAsString(Args); + } + + // 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().getOS() == llvm::Triple::Darwin && + (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 + + if (Arg *A = Args.getLastArg(options::OPT_traditional, + options::OPT_traditional_cpp)) + D.Diag(clang::diag::err_drv_clang_unsupported) << A->getAsString(Args); + + Args.AddLastArg(CmdArgs, options::OPT_dM); + Args.AddLastArg(CmdArgs, options::OPT_dD); + + // 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 (llvm::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.isPipe()) { + CmdArgs.push_back("-o"); + CmdArgs.push_back("-"); + } 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.isPipe()) + CmdArgs.push_back("-"); + else if (II.isFilename()) + CmdArgs.push_back(II.getFilename()); + else + II.getInputArg().renderAsInput(Args, CmdArgs); + } + + Args.AddAllArgs(CmdArgs, options::OPT_undef); + + const char *Exec = + Args.MakeArgString(getToolChain().GetProgramPath(C, "clang")); + + // Optionally embed the -cc1 level arguments into the debug info, for build + // analysis. + if (getToolChain().UseDwarfDebugFlags()) { + llvm::SmallString<256> Flags; + Flags += Exec; + for (unsigned i = 0, e = CmdArgs.size(); i != e; ++i) { + Flags += " "; + Flags += CmdArgs[i]; + } + CmdArgs.push_back("-dwarf-debug-flags"); + CmdArgs.push_back(Args.MakeArgString(Flags.str())); + } + + Dest.addCommand(new Command(JA, *this, Exec, CmdArgs)); + + // Explicitly warn that these options are unsupported, even though + // we are allowing compilation to continue. + for (arg_iterator it = Args.filtered_begin(options::OPT_pg), + ie = Args.filtered_end(); it != ie; ++it) { + it->claim(); + D.Diag(clang::diag::warn_drv_clang_unsupported) << it->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); +} + +void ClangAs::ConstructJob(Compilation &C, const JobAction &JA, + Job &Dest, + 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."); + const InputInfo &Input = Inputs[0]; + + // 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 = getEffectiveClangTriple(D, getToolChain(), Args); + 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"); + + // At -O0, we use -mrelax-all by default. + bool IsOpt = false; + if (Arg *A = Args.getLastArg(options::OPT_O_Group)) + IsOpt = !A->getOption().matches(options::OPT_O0); + if (Args.hasFlag(options::OPT_mrelax_all, + options::OPT_mno_relax_all, + !IsOpt)) + CmdArgs.push_back("-mrelax-all"); + + // FIXME: Add -force_cpusubtype_ALL support, once we have it. + + // FIXME: Add -g support, once we have it. + + // FIXME: Add -static support, once we have it. + + 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()); + + if (Input.isPipe()) { + CmdArgs.push_back("-"); + } else { + assert(Input.isFilename() && "Invalid input."); + CmdArgs.push_back(Input.getFilename()); + } + + const char *Exec = + Args.MakeArgString(getToolChain().GetProgramPath(C, "clang")); + Dest.addCommand(new Command(JA, *this, Exec, CmdArgs)); +} + +void gcc::Common::ConstructJob(Compilation &C, const JobAction &JA, + Job &Dest, + 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()) { + // 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().getOS() == llvm::Triple::Darwin) { + 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.isPipe()) { + CmdArgs.push_back("-o"); + CmdArgs.push_back("-"); + } else 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_LLVMBC) + 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 (types::canTypeBeUserSpecified(II.getType())) { + CmdArgs.push_back("-x"); + CmdArgs.push_back(types::getTypeName(II.getType())); + } + + if (II.isPipe()) + CmdArgs.push_back("-"); + else if (II.isFilename()) + CmdArgs.push_back(II.getFilename()); + else + // Don't render as input, we need gcc to do the translations. + II.getInputArg().render(Args, CmdArgs); + } + + const char *GCCName = getToolChain().getDriver().CCCGenericGCCName.c_str(); + const char *Exec = + Args.MakeArgString(getToolChain().GetProgramPath(C, GCCName)); + Dest.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_LLVMBC) + CmdArgs.push_back("-c"); + else { + if (JA.getType() != types::TY_PP_Asm) + D.Diag(clang::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. +} + +const char *darwin::CC1::getCC1Name(types::ID Type) const { + switch (Type) { + default: + assert(0 && "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_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_ObjCXXHeader: + return "cc1objplus"; + } +} + +const char *darwin::CC1::getBaseInputName(const ArgList &Args, + const InputInfoList &Inputs) { + llvm::sys::Path P(Inputs[0].getBaseInput()); + return Args.MakeArgString(P.getLast()); +} + +const char *darwin::CC1::getBaseInputStem(const ArgList &Args, + const InputInfoList &Inputs) { + const char *Str = getBaseInputName(Args, Inputs); + + if (const char *End = strchr(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::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"); + } + + // gcc has some code here to deal with when no -mmacosx-version-min + // and no -miphoneos-version-min is present, but this never happens + // due to tool chain specific argument translation. + + 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(clang::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)) + 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); + + 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); + + 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; + + if (II.isPipe()) + CmdArgs.push_back("-"); + else + 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, + Job &Dest, 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; + if (Output.isFilename()) { + OutputArgs.push_back("-o"); + OutputArgs.push_back(Output.getFilename()); + } else { + assert(Output.isPipe() && "Unexpected CC1 output."); + } + + if (Args.hasArg(options::OPT_E)) { + AddCPPOptionsArgs(Args, CmdArgs, Inputs, OutputArgs); + } else { + AddCPPOptionsArgs(Args, CmdArgs, Inputs, ArgStringList()); + CmdArgs.append(OutputArgs.begin(), OutputArgs.end()); + } + + Args.AddAllArgs(CmdArgs, options::OPT_d_Group); + + const char *CC1Name = getCC1Name(Inputs[0].getType()); + const char *Exec = + Args.MakeArgString(getToolChain().GetProgramPath(C, CC1Name)); + Dest.addCommand(new Command(JA, *this, Exec, CmdArgs)); +} + +void darwin::Compile::ConstructJob(Compilation &C, const JobAction &JA, + Job &Dest, 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!"); + + types::ID InputType = Inputs[0].getType(); + const Arg *A; + if ((A = Args.getLastArg(options::OPT_traditional))) + D.Diag(clang::diag::err_drv_argument_only_allowed_with) + << A->getAsString(Args) << "-E"; + + if (Output.getType() == types::TY_LLVMAsm) + CmdArgs.push_back("-emit-llvm"); + else if (Output.getType() == types::TY_LLVMBC) + CmdArgs.push_back("-emit-llvm-bc"); + else if (Output.getType() == types::TY_AST) + D.Diag(clang::diag::err_drv_no_ast_support) + << getToolChain().getTripleString(); + else if (JA.getType() != types::TY_PP_Asm && + JA.getType() != types::TY_PCH) + D.Diag(clang::diag::err_drv_invalid_gcc_output_type) + << getTypeName(JA.getType()); + + ArgStringList OutputArgs; + if (Output.getType() != types::TY_PCH) { + OutputArgs.push_back("-o"); + if (Output.isPipe()) + OutputArgs.push_back("-"); + else 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(clang::diag::err_drv_no_ast_support) + << getToolChain().getTripleString(); + return; + } + + if (II.isPipe()) + CmdArgs.push_back("-"); + else + 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. + CmdArgs.push_back("/dev/null"); + + CmdArgs.push_back("--output-pch="); + CmdArgs.push_back(Output.getFilename()); + } + + const char *CC1Name = getCC1Name(Inputs[0].getType()); + const char *Exec = + Args.MakeArgString(getToolChain().GetProgramPath(C, CC1Name)); + Dest.addCommand(new Command(JA, *this, Exec, CmdArgs)); +} + +void darwin::Assemble::ConstructJob(Compilation &C, const JobAction &JA, + Job &Dest, 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]; + + // Bit of a hack, this is only used for original inputs. + // + // FIXME: This is broken for preprocessed .s inputs. + if (Input.isFilename() && + strcmp(Input.getFilename(), Input.getBaseInput()) == 0) { + if (Args.hasArg(options::OPT_gstabs)) + CmdArgs.push_back("--gstabs"); + else if (Args.hasArg(options::OPT_g_Group)) + CmdArgs.push_back("--gdwarf2"); + } + + // Derived from asm spec. + AddDarwinArch(Args, CmdArgs); + + if (!getDarwinToolChain().isTargetIPhoneOS() || + 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()); + + if (Input.isPipe()) { + CmdArgs.push_back("-"); + } else { + assert(Input.isFilename() && "Invalid input."); + CmdArgs.push_back(Input.getFilename()); + } + + // asm_final spec is empty. + + const char *Exec = + Args.MakeArgString(getToolChain().GetProgramPath(C, "as")); + Dest.addCommand(new Command(JA, *this, Exec, CmdArgs)); +} + +/// Helper routine for seeing if we should use dsymutil; this is a +/// gcc compatible hack, we should remove it and use the input +/// type information. +static bool isSourceSuffix(const char *Str) { + // match: 'C', 'CPP', 'c', 'cc', 'cp', 'c++', 'cpp', 'cxx', 'm', + // 'mm'. + return llvm::StringSwitch<bool>(Str) + .Case("C", true) + .Case("c", true) + .Case("m", true) + .Case("cc", true) + .Case("cp", true) + .Case("mm", true) + .Case("CPP", true) + .Case("c++", true) + .Case("cpp", true) + .Case("cxx", true) + .Default(false); +} + +void darwin::DarwinTool::AddDarwinArch(const ArgList &Args, + ArgStringList &CmdArgs) const { + llvm::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(const ArgList &Args, + ArgStringList &CmdArgs) const { + const Driver &D = getToolChain().getDriver(); + + // 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(clang::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(clang::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 (getDarwinToolChain().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_headerpad__max__install__names); + Args.AddAllArgs(CmdArgs, options::OPT_image__base); + Args.AddAllArgs(CmdArgs, options::OPT_init); + + // Adding all arguments doesn't make sense here but this is what gcc does. One + // of this should always be present thanks to argument translation. + assert((Args.hasArg(options::OPT_mmacosx_version_min_EQ) || + Args.hasArg(options::OPT_miphoneos_version_min_EQ)) && + "Missing version argument (lost in translation)?"); + Args.AddAllArgsTranslated(CmdArgs, options::OPT_mmacosx_version_min_EQ, + "-macosx_version_min"); + Args.AddAllArgsTranslated(CmdArgs, options::OPT_miphoneos_version_min_EQ, + "-iphoneos_version_min"); + 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 (Args.hasArg(options::OPT_fpie)) + CmdArgs.push_back("-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); + + Args.AddAllArgsTranslated(CmdArgs, options::OPT_isysroot, "-syslibroot"); + if (getDarwinToolChain().isTargetIPhoneOS()) { + if (!Args.hasArg(options::OPT_isysroot)) { + 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, + Job &Dest, 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; + + // I'm not sure why this particular decomposition exists in gcc, but + // we follow suite for ease of comparison. + AddLinkArgs(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); + + 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().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().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)) { + 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().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 + 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(C, "crt3.o")); + CmdArgs.push_back(Str); + } + } + + Args.AddAllArgs(CmdArgs, options::OPT_L); + + if (Args.hasArg(options::OPT_fopenmp)) + // This is more complicated in gcc... + CmdArgs.push_back("-lgomp"); + + getDarwinToolChain().AddLinkSearchPathArgs(Args, CmdArgs); + + for (InputInfoList::const_iterator + it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { + const InputInfo &II = *it; + if (II.isFilename()) + CmdArgs.push_back(II.getFilename()); + else + II.getInputArg().renderAsInput(Args, CmdArgs); + } + + if (LinkingOutput) { + CmdArgs.push_back("-arch_multiple"); + CmdArgs.push_back("-final_output"); + CmdArgs.push_back(LinkingOutput); + } + + if (Args.hasArg(options::OPT_fprofile_arcs) || + Args.hasArg(options::OPT_fprofile_generate) || + Args.hasArg(options::OPT_fcreate_profile) || + Args.hasArg(options::OPT_coverage)) + CmdArgs.push_back("-lgcov"); + + if (Args.hasArg(options::OPT_fnested_functions)) + CmdArgs.push_back("-allow_stack_execute"); + + if (!Args.hasArg(options::OPT_nostdlib) && + !Args.hasArg(options::OPT_nodefaultlibs)) { + // FIXME: g++ is more complicated here, it tries to put -lstdc++ + // before -lm, for example. + if (getToolChain().getDriver().CCCIsCXX) + CmdArgs.push_back("-lstdc++"); + + // 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(C, "ld")); + Dest.addCommand(new Command(JA, *this, Exec, CmdArgs)); + + // Find the first non-empty base input (we want to ignore linker + // inputs). + const char *BaseInput = ""; + for (unsigned i = 0, e = Inputs.size(); i != e; ++i) { + if (Inputs[i].getBaseInput()[0] != '\0') { + BaseInput = Inputs[i].getBaseInput(); + break; + } + } + + // Run dsymutil if we are making an executable in a single step. + // + // FIXME: Currently we don't want to do this when we are part of a + // universal build step, as this would end up creating stray temp + // files. + if (!LinkingOutput && + Args.getLastArg(options::OPT_g_Group) && + !Args.getLastArg(options::OPT_gstabs) && + !Args.getLastArg(options::OPT_g0)) { + // FIXME: This is gross, but matches gcc. The test only considers + // the suffix (not the -x type), and then only of the first + // source input. Awesome. + const char *Suffix = strrchr(BaseInput, '.'); + if (Suffix && isSourceSuffix(Suffix + 1)) { + const char *Exec = + Args.MakeArgString(getToolChain().GetProgramPath(C, "dsymutil")); + ArgStringList CmdArgs; + CmdArgs.push_back(Output.getFilename()); + C.getJobs().addCommand(new Command(JA, *this, Exec, CmdArgs)); + } + } +} + +void darwin::Lipo::ConstructJob(Compilation &C, const JobAction &JA, + Job &Dest, 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(C, "lipo")); + Dest.addCommand(new Command(JA, *this, Exec, CmdArgs)); +} + +void auroraux::Assemble::ConstructJob(Compilation &C, const JobAction &JA, + Job &Dest, 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"); + if (Output.isPipe()) + CmdArgs.push_back("-"); + else + CmdArgs.push_back(Output.getFilename()); + + for (InputInfoList::const_iterator + it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { + const InputInfo &II = *it; + if (II.isPipe()) + CmdArgs.push_back("-"); + else + CmdArgs.push_back(II.getFilename()); + } + + const char *Exec = + Args.MakeArgString(getToolChain().GetProgramPath(C, "gas")); + Dest.addCommand(new Command(JA, *this, Exec, CmdArgs)); +} + +void auroraux::Link::ConstructJob(Compilation &C, const JobAction &JA, + Job &Dest, 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"); + 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.isPipe()) { + CmdArgs.push_back("-o"); + CmdArgs.push_back("-"); + } else 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(C, "crt1.o"))); + CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crti.o"))); + CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtbegin.o"))); + } else { + CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crti.o"))); + } + CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "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); + + for (InputInfoList::const_iterator + it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { + const InputInfo &II = *it; + + // Don't try to pass LLVM inputs to a generic gcc. + if (II.getType() == types::TY_LLVMBC) + D.Diag(clang::diag::err_drv_no_linker_llvm_support) + << getToolChain().getTripleString(); + + if (II.isPipe()) + CmdArgs.push_back("-"); + else if (II.isFilename()) + CmdArgs.push_back(II.getFilename()); + else + II.getInputArg().renderAsInput(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(C, "crtend.o"))); +// else +// CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtendS.o"))); + } + + const char *Exec = + Args.MakeArgString(getToolChain().GetProgramPath(C, "ld")); + Dest.addCommand(new Command(JA, *this, Exec, CmdArgs)); +} + +void openbsd::Assemble::ConstructJob(Compilation &C, const JobAction &JA, + Job &Dest, 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"); + if (Output.isPipe()) + CmdArgs.push_back("-"); + else + CmdArgs.push_back(Output.getFilename()); + + for (InputInfoList::const_iterator + it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { + const InputInfo &II = *it; + if (II.isPipe()) + CmdArgs.push_back("-"); + else + CmdArgs.push_back(II.getFilename()); + } + + const char *Exec = + Args.MakeArgString(getToolChain().GetProgramPath(C, "as")); + Dest.addCommand(new Command(JA, *this, Exec, CmdArgs)); +} + +void openbsd::Link::ConstructJob(Compilation &C, const JobAction &JA, + Job &Dest, 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 { + 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.isPipe()) { + CmdArgs.push_back("-o"); + CmdArgs.push_back("-"); + } else 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(C, "crt0.o"))); + CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtbegin.o"))); + } else { + CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "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 + + "/3.3.5")); + + Args.AddAllArgs(CmdArgs, options::OPT_L); + Args.AddAllArgs(CmdArgs, options::OPT_T_Group); + Args.AddAllArgs(CmdArgs, options::OPT_e); + + for (InputInfoList::const_iterator + it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { + const InputInfo &II = *it; + + // Don't try to pass LLVM inputs to a generic gcc. + if (II.getType() == types::TY_LLVMBC) + D.Diag(clang::diag::err_drv_no_linker_llvm_support) + << getToolChain().getTripleString(); + + if (II.isPipe()) + CmdArgs.push_back("-"); + else if (II.isFilename()) + CmdArgs.push_back(II.getFilename()); + else + II.getInputArg().renderAsInput(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(C, "crtend.o"))); + else + CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtendS.o"))); + } + + const char *Exec = + Args.MakeArgString(getToolChain().GetProgramPath(C, "ld")); + Dest.addCommand(new Command(JA, *this, Exec, CmdArgs)); +} + +void freebsd::Assemble::ConstructJob(Compilation &C, const JobAction &JA, + Job &Dest, 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"); + + + // 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"); + if (Output.isPipe()) + CmdArgs.push_back("-"); + else + CmdArgs.push_back(Output.getFilename()); + + for (InputInfoList::const_iterator + it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { + const InputInfo &II = *it; + if (II.isPipe()) + CmdArgs.push_back("-"); + else + CmdArgs.push_back(II.getFilename()); + } + + const char *Exec = + Args.MakeArgString(getToolChain().GetProgramPath(C, "as")); + Dest.addCommand(new Command(JA, *this, Exec, CmdArgs)); +} + +void freebsd::Link::ConstructJob(Compilation &C, const JobAction &JA, + Job &Dest, 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_static)) { + CmdArgs.push_back("-Bstatic"); + } else { + 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 (Output.isPipe()) { + CmdArgs.push_back("-o"); + CmdArgs.push_back("-"); + } else 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(C, "crt1.o"))); + CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crti.o"))); + CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtbegin.o"))); + } else { + CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crti.o"))); + CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtbeginS.o"))); + } + } + + Args.AddAllArgs(CmdArgs, options::OPT_L); + Args.AddAllArgs(CmdArgs, options::OPT_T_Group); + Args.AddAllArgs(CmdArgs, options::OPT_e); + + for (InputInfoList::const_iterator + it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { + const InputInfo &II = *it; + + // Don't try to pass LLVM inputs to a generic gcc. + if (II.getType() == types::TY_LLVMBC) + D.Diag(clang::diag::err_drv_no_linker_llvm_support) + << getToolChain().getTripleString(); + + if (II.isPipe()) + CmdArgs.push_back("-"); + else if (II.isFilename()) + CmdArgs.push_back(II.getFilename()); + else + II.getInputArg().renderAsInput(Args, CmdArgs); + } + + if (!Args.hasArg(options::OPT_nostdlib) && + !Args.hasArg(options::OPT_nodefaultlibs)) { + if (D.CCCIsCXX) { + CmdArgs.push_back("-lstdc++"); + 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. + 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_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(C, "crtend.o"))); + else + CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtendS.o"))); + CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtn.o"))); + } + + const char *Exec = + Args.MakeArgString(getToolChain().GetProgramPath(C, "ld")); + Dest.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, + Job &Dest, 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"); + if (Output.isPipe()) + CmdArgs.push_back("-"); + else + CmdArgs.push_back(Output.getFilename()); + + for (InputInfoList::const_iterator + it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { + const InputInfo &II = *it; + if (II.isPipe()) + CmdArgs.push_back("-"); + else + CmdArgs.push_back(II.getFilename()); + } + + const char *Exec = + Args.MakeArgString(getToolChain().GetProgramPath(C, "as")); + Dest.addCommand(new Command(JA, *this, Exec, CmdArgs)); +} + +void dragonfly::Link::ConstructJob(Compilation &C, const JobAction &JA, + Job &Dest, 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_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.isPipe()) { + CmdArgs.push_back("-o"); + CmdArgs.push_back("-"); + } else 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(C, "crt1.o"))); + CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crti.o"))); + CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtbegin.o"))); + } else { + CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crti.o"))); + CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtbeginS.o"))); + } + } + + Args.AddAllArgs(CmdArgs, options::OPT_L); + Args.AddAllArgs(CmdArgs, options::OPT_T_Group); + Args.AddAllArgs(CmdArgs, options::OPT_e); + + for (InputInfoList::const_iterator + it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { + const InputInfo &II = *it; + + // Don't try to pass LLVM inputs to a generic gcc. + if (II.getType() == types::TY_LLVMBC) + D.Diag(clang::diag::err_drv_no_linker_llvm_support) + << getToolChain().getTripleString(); + + if (II.isPipe()) + CmdArgs.push_back("-"); + else if (II.isFilename()) + CmdArgs.push_back(II.getFilename()); + else + II.getInputArg().renderAsInput(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 (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(C, "crtend.o"))); + else + CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtendS.o"))); + CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtn.o"))); + } + + const char *Exec = + Args.MakeArgString(getToolChain().GetProgramPath(C, "ld")); + Dest.addCommand(new Command(JA, *this, Exec, CmdArgs)); +} |
