diff options
Diffstat (limited to 'contrib/llvm/tools/clang/lib/Driver/ToolChain.cpp')
| -rw-r--r-- | contrib/llvm/tools/clang/lib/Driver/ToolChain.cpp | 200 |
1 files changed, 83 insertions, 117 deletions
diff --git a/contrib/llvm/tools/clang/lib/Driver/ToolChain.cpp b/contrib/llvm/tools/clang/lib/Driver/ToolChain.cpp index 69b642e..4f90d08 100644 --- a/contrib/llvm/tools/clang/lib/Driver/ToolChain.cpp +++ b/contrib/llvm/tools/clang/lib/Driver/ToolChain.cpp @@ -15,6 +15,7 @@ #include "clang/Driver/Options.h" #include "clang/Driver/SanitizerArgs.h" #include "clang/Driver/ToolChain.h" +#include "llvm/ADT/SmallString.h" #include "llvm/ADT/StringSwitch.h" #include "llvm/Option/Arg.h" #include "llvm/Option/ArgList.h" @@ -38,8 +39,8 @@ const Driver &ToolChain::getDriver() const { } bool ToolChain::useIntegratedAs() const { - return Args.hasFlag(options::OPT_integrated_as, - options::OPT_no_integrated_as, + return Args.hasFlag(options::OPT_fintegrated_as, + options::OPT_fno_integrated_as, IsIntegratedAssemblerDefault()); } @@ -114,7 +115,7 @@ Tool *ToolChain::getTool(Action::ActionClass AC) const { case Action::BindArchClass: case Action::LipoJobClass: case Action::DsymutilJobClass: - case Action::VerifyJobClass: + case Action::VerifyDebugInfoJobClass: llvm_unreachable("Invalid tool kind."); case Action::CompileJobClass: @@ -122,6 +123,7 @@ Tool *ToolChain::getTool(Action::ActionClass AC) const { case Action::PreprocessJobClass: case Action::AnalyzeJobClass: case Action::MigrateJobClass: + case Action::VerifyPCHJobClass: return getClang(); } @@ -146,6 +148,30 @@ std::string ToolChain::GetProgramPath(const char *Name) const { return D.GetProgramPath(Name, *this); } +std::string ToolChain::GetLinkerPath() const { + if (Arg *A = Args.getLastArg(options::OPT_fuse_ld_EQ)) { + StringRef Suffix = A->getValue(); + + // If we're passed -fuse-ld= with no argument, or with the argument ld, + // then use whatever the default system linker is. + if (Suffix.empty() || Suffix == "ld") + return GetProgramPath("ld"); + + llvm::SmallString<8> LinkerName("ld."); + LinkerName.append(Suffix); + + std::string LinkerPath(GetProgramPath(LinkerName.c_str())); + if (llvm::sys::fs::exists(LinkerPath)) + return LinkerPath; + + getDriver().Diag(diag::err_drv_invalid_linker_name) << A->getAsString(Args); + return ""; + } + + return GetProgramPath("ld"); +} + + types::ID ToolChain::LookupTypeForExtension(const char *Ext) const { return types::lookupTypeForExtension(Ext); } @@ -154,110 +180,27 @@ bool ToolChain::HasNativeLLVMSupport() const { return false; } +bool ToolChain::isCrossCompiling() const { + llvm::Triple HostTriple(LLVM_HOST_TRIPLE); + switch (HostTriple.getArch()) { + // The A32/T32/T16 instruction sets are not separate architectures in this + // context. + case llvm::Triple::arm: + case llvm::Triple::armeb: + case llvm::Triple::thumb: + case llvm::Triple::thumbeb: + return getArch() != llvm::Triple::arm && getArch() != llvm::Triple::thumb && + getArch() != llvm::Triple::armeb && getArch() != llvm::Triple::thumbeb; + default: + return HostTriple.getArch() != getArch(); + } +} + ObjCRuntime ToolChain::getDefaultObjCRuntime(bool isNonFragile) const { return ObjCRuntime(isNonFragile ? ObjCRuntime::GNUstep : ObjCRuntime::GCC, VersionTuple()); } -/// getARMTargetCPU - Get the (LLVM) name of the ARM cpu we are targeting. -// -// FIXME: tblgen this. -static const char *getARMTargetCPU(const ArgList &Args, - const llvm::Triple &Triple) { - // For Darwin targets, the -arch option (which is translated to a - // corresponding -march option) should determine the architecture - // (and the Mach-O slice) regardless of any -mcpu options. - if (!Triple.isOSDarwin()) { - // FIXME: Warn on inconsistent use of -mcpu and -march. - // If we have -mcpu=, use that. - if (Arg *A = Args.getLastArg(options::OPT_mcpu_EQ)) - return A->getValue(); - } - - StringRef MArch; - if (Arg *A = Args.getLastArg(options::OPT_march_EQ)) { - // Otherwise, if we have -march= choose the base CPU for that arch. - MArch = A->getValue(); - } else { - // Otherwise, use the Arch from the triple. - MArch = Triple.getArchName(); - } - - if (Triple.getOS() == llvm::Triple::NetBSD || - Triple.getOS() == llvm::Triple::FreeBSD) { - if (MArch == "armv6") - return "arm1176jzf-s"; - } - - const char *result = llvm::StringSwitch<const char *>(MArch) - .Cases("armv2", "armv2a","arm2") - .Case("armv3", "arm6") - .Case("armv3m", "arm7m") - .Case("armv4", "strongarm") - .Case("armv4t", "arm7tdmi") - .Cases("armv5", "armv5t", "arm10tdmi") - .Cases("armv5e", "armv5te", "arm1026ejs") - .Case("armv5tej", "arm926ej-s") - .Cases("armv6", "armv6k", "arm1136jf-s") - .Case("armv6j", "arm1136j-s") - .Cases("armv6z", "armv6zk", "arm1176jzf-s") - .Case("armv6t2", "arm1156t2-s") - .Cases("armv6m", "armv6-m", "cortex-m0") - .Cases("armv7", "armv7a", "armv7-a", "cortex-a8") - .Cases("armv7l", "armv7-l", "cortex-a8") - .Cases("armv7f", "armv7-f", "cortex-a9-mp") - .Cases("armv7s", "armv7-s", "swift") - .Cases("armv7r", "armv7-r", "cortex-r4") - .Cases("armv7m", "armv7-m", "cortex-m3") - .Cases("armv7em", "armv7e-m", "cortex-m4") - .Cases("armv8", "armv8a", "armv8-a", "cortex-a53") - .Case("ep9312", "ep9312") - .Case("iwmmxt", "iwmmxt") - .Case("xscale", "xscale") - // If all else failed, return the most base CPU with thumb interworking - // supported by LLVM. - .Default(0); - - if (result) - return result; - - return - Triple.getEnvironment() == llvm::Triple::GNUEABIHF - ? "arm1176jzf-s" - : "arm7tdmi"; -} - -/// getLLVMArchSuffixForARM - Get the LLVM arch name to use for a particular -/// CPU. -// -// FIXME: This is redundant with -mcpu, why does LLVM use this. -// FIXME: tblgen this, or kill it! -static const char *getLLVMArchSuffixForARM(StringRef CPU) { - return llvm::StringSwitch<const char *>(CPU) - .Case("strongarm", "v4") - .Cases("arm7tdmi", "arm7tdmi-s", "arm710t", "v4t") - .Cases("arm720t", "arm9", "arm9tdmi", "v4t") - .Cases("arm920", "arm920t", "arm922t", "v4t") - .Cases("arm940t", "ep9312","v4t") - .Cases("arm10tdmi", "arm1020t", "v5") - .Cases("arm9e", "arm926ej-s", "arm946e-s", "v5e") - .Cases("arm966e-s", "arm968e-s", "arm10e", "v5e") - .Cases("arm1020e", "arm1022e", "xscale", "iwmmxt", "v5e") - .Cases("arm1136j-s", "arm1136jf-s", "arm1176jz-s", "v6") - .Cases("arm1176jzf-s", "mpcorenovfp", "mpcore", "v6") - .Cases("arm1156t2-s", "arm1156t2f-s", "v6t2") - .Cases("cortex-a5", "cortex-a7", "cortex-a8", "v7") - .Cases("cortex-a9", "cortex-a12", "cortex-a15", "v7") - .Cases("cortex-r4", "cortex-r5", "v7r") - .Case("cortex-m0", "v6m") - .Case("cortex-m3", "v7m") - .Case("cortex-m4", "v7em") - .Case("cortex-a9-mp", "v7f") - .Case("swift", "v7s") - .Cases("cortex-a53", "cortex-a57", "v8") - .Default(""); -} - std::string ToolChain::ComputeLLVMTriple(const ArgList &Args, types::ID InputType) const { switch (getTriple().getArch()) { @@ -266,7 +209,7 @@ std::string ToolChain::ComputeLLVMTriple(const ArgList &Args, case llvm::Triple::x86_64: { llvm::Triple Triple = getTriple(); - if (!Triple.isOSDarwin()) + if (!Triple.isOSBinFormatMachO()) return getTripleString(); if (Arg *A = Args.getLastArg(options::OPT_march_EQ)) { @@ -279,23 +222,51 @@ std::string ToolChain::ComputeLLVMTriple(const ArgList &Args, return Triple.getTriple(); } case llvm::Triple::arm: - case llvm::Triple::thumb: { + case llvm::Triple::armeb: + case llvm::Triple::thumb: + case llvm::Triple::thumbeb: { // FIXME: Factor into subclasses. llvm::Triple Triple = getTriple(); + bool IsBigEndian = getTriple().getArch() == llvm::Triple::armeb || + getTriple().getArch() == llvm::Triple::thumbeb; + + // Handle pseudo-target flags '-mlittle-endian'/'-EL' and + // '-mbig-endian'/'-EB'. + if (Arg *A = Args.getLastArg(options::OPT_mlittle_endian, + options::OPT_mbig_endian)) { + if (A->getOption().matches(options::OPT_mlittle_endian)) + IsBigEndian = false; + else + IsBigEndian = true; + } // Thumb2 is the default for V7 on Darwin. // // FIXME: Thumb should just be another -target-feaure, not in the triple. - StringRef Suffix = - getLLVMArchSuffixForARM(getARMTargetCPU(Args, Triple)); - bool ThumbDefault = Suffix.startswith("v6m") || - (Suffix.startswith("v7") && getTriple().isOSDarwin()); - std::string ArchName = "arm"; + StringRef Suffix = Triple.isOSBinFormatMachO() + ? tools::arm::getLLVMArchSuffixForARM(tools::arm::getARMCPUForMArch(Args, Triple)) + : tools::arm::getLLVMArchSuffixForARM(tools::arm::getARMTargetCPU(Args, Triple)); + bool ThumbDefault = Suffix.startswith("v6m") || Suffix.startswith("v7m") || + Suffix.startswith("v7em") || + (Suffix.startswith("v7") && getTriple().isOSBinFormatMachO()); + // FIXME: this is invalid for WindowsCE + if (getTriple().isOSWindows()) + ThumbDefault = true; + std::string ArchName; + if (IsBigEndian) + ArchName = "armeb"; + else + ArchName = "arm"; // Assembly files should start in ARM mode. if (InputType != types::TY_PP_Asm && Args.hasFlag(options::OPT_mthumb, options::OPT_mno_thumb, ThumbDefault)) - ArchName = "thumb"; + { + if (IsBigEndian) + ArchName = "thumbeb"; + else + ArchName = "thumb"; + } Triple.setArchName(ArchName + Suffix.str()); return Triple.getTriple(); @@ -305,13 +276,6 @@ std::string ToolChain::ComputeLLVMTriple(const ArgList &Args, std::string ToolChain::ComputeEffectiveClangTriple(const ArgList &Args, types::ID InputType) const { - // Diagnose use of Darwin OS deployment target arguments on non-Darwin. - if (Arg *A = Args.getLastArg(options::OPT_mmacosx_version_min_EQ, - options::OPT_miphoneos_version_min_EQ, - options::OPT_mios_simulator_version_min_EQ)) - getDriver().Diag(diag::err_drv_clang_unsupported) - << A->getAsString(Args); - return ComputeLLVMTriple(Args, InputType); } @@ -324,6 +288,8 @@ void ToolChain::addClangTargetOptions(const ArgList &DriverArgs, ArgStringList &CC1Args) const { } +void ToolChain::addClangWarningOptions(ArgStringList &CC1Args) const {} + ToolChain::RuntimeLibType ToolChain::GetRuntimeLibType( const ArgList &Args) const { |
