diff options
Diffstat (limited to 'contrib/llvm/tools/clang/lib/Driver/Tools.cpp')
| -rw-r--r-- | contrib/llvm/tools/clang/lib/Driver/Tools.cpp | 1591 |
1 files changed, 964 insertions, 627 deletions
diff --git a/contrib/llvm/tools/clang/lib/Driver/Tools.cpp b/contrib/llvm/tools/clang/lib/Driver/Tools.cpp index 89db52e..d625c0e 100644 --- a/contrib/llvm/tools/clang/lib/Driver/Tools.cpp +++ b/contrib/llvm/tools/clang/lib/Driver/Tools.cpp @@ -83,6 +83,23 @@ static void CheckCodeGenerationOptions(const Driver &D, const ArgList &Args) { << A->getAsString(Args) << "-static"; } +// Add backslashes to escape spaces and other backslashes. +// This is used for the space-separated argument list specified with +// the -dwarf-debug-flags option. +static void EscapeSpacesAndBackslashes(const char *Arg, + SmallVectorImpl<char> &Res) { + for ( ; *Arg; ++Arg) { + switch (*Arg) { + default: break; + case ' ': + case '\\': + Res.push_back('\\'); + break; + } + Res.push_back(*Arg); + } +} + // Quote target names for inclusion in GNU Make dependency files. // Only the characters '$', '#', ' ', '\t' are quoted. static void QuoteTarget(StringRef Target, @@ -457,10 +474,10 @@ static bool isSignedCharDefault(const llvm::Triple &Triple) { case llvm::Triple::aarch64: case llvm::Triple::aarch64_be: - case llvm::Triple::arm64: - case llvm::Triple::arm64_be: case llvm::Triple::arm: case llvm::Triple::armeb: + case llvm::Triple::thumb: + case llvm::Triple::thumbeb: if (Triple.isOSDarwin() || Triple.isOSWindows()) return true; return false; @@ -508,7 +525,7 @@ static void getARMHWDivFeatures(const Driver &D, const Arg *A, } else D.Diag(diag::err_drv_clang_unsupported) << A->getAsString(Args); } - + // Handle -mfpu=. // // FIXME: Centralize feature selection, defaulting shouldn't be also in the @@ -546,6 +563,18 @@ static void getARMFPUFeatures(const Driver &D, const Arg *A, Features.push_back("+d16"); Features.push_back("+fp-only-sp"); Features.push_back("-neon"); + } else if (FPU == "fp5-sp-d16" || FPU == "fpv5-sp-d16") { + Features.push_back("+fp-armv8"); + Features.push_back("+fp-only-sp"); + Features.push_back("+d16"); + Features.push_back("-neon"); + Features.push_back("-crypto"); + } else if (FPU == "fp5-dp-d16" || FPU == "fpv5-dp-d16" || + FPU == "fp5-d16" || FPU == "fpv5-d16") { + Features.push_back("+fp-armv8"); + Features.push_back("+d16"); + Features.push_back("-neon"); + Features.push_back("-crypto"); } else if (FPU == "fp-armv8") { Features.push_back("+fp-armv8"); Features.push_back("-neon"); @@ -560,6 +589,12 @@ static void getARMFPUFeatures(const Driver &D, const Arg *A, Features.push_back("+crypto"); } else if (FPU == "neon") { Features.push_back("+neon"); + } else if (FPU == "neon-vfpv3") { + Features.push_back("+vfp3"); + Features.push_back("+neon"); + } else if (FPU == "neon-vfpv4") { + Features.push_back("+neon"); + Features.push_back("+vfp4"); } else if (FPU == "none") { Features.push_back("-vfp2"); Features.push_back("-vfp3"); @@ -730,6 +765,7 @@ void Clang::AddARMTargetArgs(const ArgList &Args, // Select the ABI to use. // // FIXME: Support -meabi. + // FIXME: Parts of this are duplicated in the backend, unify this somehow. const char *ABIName = nullptr; if (Arg *A = Args.getLastArg(options::OPT_mabi_EQ)) { ABIName = A->getValue(); @@ -737,8 +773,7 @@ void Clang::AddARMTargetArgs(const ArgList &Args, // The backend is hardwired to assume AAPCS for M-class processors, ensure // the frontend matches that. if (Triple.getEnvironment() == llvm::Triple::EABI || - (Triple.getOS() == llvm::Triple::UnknownOS && - Triple.getObjectFormat() == llvm::Triple::MachO) || + Triple.getOS() == llvm::Triple::UnknownOS || StringRef(CPUName).startswith("cortex-m")) { ABIName = "aapcs"; } else { @@ -760,7 +795,11 @@ void Clang::AddARMTargetArgs(const ArgList &Args, ABIName = "aapcs"; break; default: - ABIName = "apcs-gnu"; + if (Triple.getOS() == llvm::Triple::NetBSD) + ABIName = "apcs-gnu"; + else + ABIName = "aapcs"; + break; } } CmdArgs.push_back("-target-abi"); @@ -801,6 +840,21 @@ void Clang::AddARMTargetArgs(const ArgList &Args, CmdArgs.push_back("-arm-use-movt=0"); } + // -mkernel implies -mstrict-align; don't add the redundant option. + if (!KernelOrKext) { + if (Arg *A = Args.getLastArg(options::OPT_mno_unaligned_access, + options::OPT_munaligned_access)) { + CmdArgs.push_back("-backend-option"); + if (A->getOption().matches(options::OPT_mno_unaligned_access)) + CmdArgs.push_back("-arm-strict-align"); + else { + if (Triple.getSubArch() == llvm::Triple::SubArchType::ARMSubArch_v6m) + D.Diag(diag::err_target_unsupported_unaligned) << "v6m"; + CmdArgs.push_back("-arm-no-strict-align"); + } + } + } + // Setting -mno-global-merge disables the codegen global merge pass. Setting // -mglobal-merge has no effect as the pass is enabled by default. if (Arg *A = Args.getLastArg(options::OPT_mglobal_merge, @@ -875,9 +929,26 @@ void Clang::AddAArch64TargetArgs(const ArgList &Args, CmdArgs.push_back("-target-abi"); CmdArgs.push_back(ABIName); - if (Args.hasArg(options::OPT_mstrict_align)) { + if (Arg *A = Args.getLastArg(options::OPT_mno_unaligned_access, + options::OPT_munaligned_access)) { + CmdArgs.push_back("-backend-option"); + if (A->getOption().matches(options::OPT_mno_unaligned_access)) + CmdArgs.push_back("-aarch64-strict-align"); + else + CmdArgs.push_back("-aarch64-no-strict-align"); + } + + if (Arg *A = Args.getLastArg(options::OPT_mfix_cortex_a53_835769, + options::OPT_mno_fix_cortex_a53_835769)) { + CmdArgs.push_back("-backend-option"); + if (A->getOption().matches(options::OPT_mfix_cortex_a53_835769)) + CmdArgs.push_back("-aarch64-fix-cortex-a53-835769=1"); + else + CmdArgs.push_back("-aarch64-fix-cortex-a53-835769=0"); + } else if (Triple.getEnvironment() == llvm::Triple::Android) { + // Enabled A53 errata (835769) workaround by default on android CmdArgs.push_back("-backend-option"); - CmdArgs.push_back("-aarch64-strict-align"); + CmdArgs.push_back("-aarch64-fix-cortex-a53-835769=1"); } // Setting -mno-global-merge disables the codegen global merge pass. Setting @@ -906,6 +977,10 @@ void mips::getMipsCPUAndABI(const ArgList &Args, DefMips64CPU = "mips64r6"; } + // MIPS3 is the default for mips64*-unknown-openbsd. + if (Triple.getOS() == llvm::Triple::OpenBSD) + DefMips64CPU = "mips3"; + if (Arg *A = Args.getLastArg(options::OPT_march_EQ, options::OPT_mcpu_EQ)) CPUName = A->getValue(); @@ -952,6 +1027,8 @@ void mips::getMipsCPUAndABI(const ArgList &Args, .Cases("n32", "n64", DefMips64CPU) .Default(""); } + + // FIXME: Warn on inconsistent use of -march and -mabi. } // Convert ABI name to the GNU tools acceptable variant. @@ -1024,6 +1101,9 @@ static void getMIPSTargetFeatures(const Driver &D, const llvm::Triple &Triple, Features.push_back("-n64"); Features.push_back(Args.MakeArgString(ABIFeature)); + AddTargetFeature(Args, Features, options::OPT_mno_abicalls, + options::OPT_mabicalls, "noabicalls"); + StringRef FloatABI = getMipsFloatABI(D, Args); if (FloatABI == "soft") { // FIXME: Note, this is a hack. We need to pass the selected float @@ -1228,6 +1308,35 @@ static void getPPCTargetFeatures(const ArgList &Args, options::OPT_fno_altivec, "altivec"); } +void Clang::AddPPCTargetArgs(const ArgList &Args, + ArgStringList &CmdArgs) const { + // Select the ABI to use. + const char *ABIName = nullptr; + if (Arg *A = Args.getLastArg(options::OPT_mabi_EQ)) { + ABIName = A->getValue(); + } else if (getToolChain().getTriple().isOSLinux()) + switch(getToolChain().getArch()) { + case llvm::Triple::ppc64: + ABIName = "elfv1"; + break; + case llvm::Triple::ppc64le: + ABIName = "elfv2"; + break; + default: + break; + } + + if (ABIName) { + CmdArgs.push_back("-target-abi"); + CmdArgs.push_back(ABIName); + } +} + +bool ppc::hasPPCAbiArg(const ArgList &Args, const char *Value) { + Arg *A = Args.getLastArg(options::OPT_mabi_EQ); + return A && (A->getValue() == StringRef(Value)); +} + /// Get the (LLVM) name of the R600 gpu we are targeting. static std::string getR600TargetGPU(const ArgList &Args) { if (Arg *A = Args.getLastArg(options::OPT_mcpu_EQ)) { @@ -1246,7 +1355,7 @@ static std::string getR600TargetGPU(const ArgList &Args) { } static void getSparcTargetFeatures(const ArgList &Args, - std::vector<const char *> Features) { + std::vector<const char *> &Features) { bool SoftFloatABI = true; if (Arg *A = Args.getLastArg(options::OPT_msoft_float, options::OPT_mhard_float)) { @@ -1360,8 +1469,6 @@ static std::string getCPUName(const ArgList &Args, const llvm::Triple &T) { case llvm::Triple::aarch64: case llvm::Triple::aarch64_be: - case llvm::Triple::arm64: - case llvm::Triple::arm64_be: return getAArch64TargetCPU(Args); case llvm::Triple::arm: @@ -1415,6 +1522,7 @@ static std::string getCPUName(const ArgList &Args, const llvm::Triple &T) { return getSystemZTargetCPU(Args); case llvm::Triple::r600: + case llvm::Triple::amdgcn: return getR600TargetGPU(Args); } } @@ -1588,7 +1696,7 @@ void Clang::AddHexagonTargetArgs(const ArgList &Args, } // Decode AArch64 features from string like +[no]featureA+[no]featureB+... -static bool DecodeAArch64Features(const Driver &D, const StringRef &text, +static bool DecodeAArch64Features(const Driver &D, StringRef text, std::vector<const char *> &Features) { SmallVector<StringRef, 8> Split; text.split(Split, StringRef("+"), -1, false); @@ -1697,6 +1805,9 @@ static void getAArch64TargetFeatures(const Driver &D, const ArgList &Args, success = getAArch64ArchFeaturesFromMarch(D, A->getValue(), Args, Features); else if ((A = Args.getLastArg(options::OPT_mcpu_EQ))) success = getAArch64ArchFeaturesFromMcpu(D, A->getValue(), Args, Features); + else if (Args.hasArg(options::OPT_arch)) + success = getAArch64ArchFeaturesFromMcpu(D, getAArch64TargetCPU(Args), Args, + Features); if (success && (A = Args.getLastArg(options::OPT_mtune_EQ))) success = @@ -1704,6 +1815,9 @@ static void getAArch64TargetFeatures(const Driver &D, const ArgList &Args, else if (success && (A = Args.getLastArg(options::OPT_mcpu_EQ))) success = getAArch64MicroArchFeaturesFromMcpu(D, A->getValue(), Args, Features); + else if (Args.hasArg(options::OPT_arch)) + success = getAArch64MicroArchFeaturesFromMcpu(D, getAArch64TargetCPU(Args), + Args, Features); if (!success) D.Diag(diag::err_drv_clang_unsupported) << A->getAsString(Args); @@ -1751,12 +1865,11 @@ static void getTargetFeatures(const Driver &D, const llvm::Triple &Triple, getPPCTargetFeatures(Args, Features); break; case llvm::Triple::sparc: + case llvm::Triple::sparcv9: getSparcTargetFeatures(Args, Features); break; case llvm::Triple::aarch64: case llvm::Triple::aarch64_be: - case llvm::Triple::arm64: - case llvm::Triple::arm64_be: getAArch64TargetFeatures(D, Args, Features); break; case llvm::Triple::x86: @@ -1804,43 +1917,15 @@ shouldUseExceptionTablesForObjCExceptions(const ObjCRuntime &runtime, Triple.getArch() == llvm::Triple::arm)); } -namespace { - struct ExceptionSettings { - bool ExceptionsEnabled; - bool ShouldUseExceptionTables; - ExceptionSettings() : ExceptionsEnabled(false), - ShouldUseExceptionTables(false) {} - }; -} // end anonymous namespace. - // exceptionSettings() exists to share the logic between -cc1 and linker // invocations. -static ExceptionSettings exceptionSettings(const ArgList &Args, - const llvm::Triple &Triple) { - ExceptionSettings ES; - - // Are exceptions enabled by default? - ES.ExceptionsEnabled = (Triple.getArch() != llvm::Triple::xcore); - - // This keeps track of whether exceptions were explicitly turned on or off. - bool DidHaveExplicitExceptionFlag = false; - +static bool exceptionSettings(const ArgList &Args, const llvm::Triple &Triple) { if (Arg *A = Args.getLastArg(options::OPT_fexceptions, - options::OPT_fno_exceptions)) { + options::OPT_fno_exceptions)) if (A->getOption().matches(options::OPT_fexceptions)) - ES.ExceptionsEnabled = true; - else - ES.ExceptionsEnabled = false; - - DidHaveExplicitExceptionFlag = true; - } - - // Exception tables and cleanups can be enabled with -fexceptions even if the - // language itself doesn't support exceptions. - if (ES.ExceptionsEnabled && DidHaveExplicitExceptionFlag) - ES.ShouldUseExceptionTables = true; + return true; - return ES; + return false; } /// addExceptionArgs - Adds exception related arguments to the driver command @@ -1865,8 +1950,8 @@ static void addExceptionArgs(const ArgList &Args, types::ID InputType, return; } - // Gather the exception settings from the command line arguments. - ExceptionSettings ES = exceptionSettings(Args, Triple); + // Gather the exception settings from the command line arguments. + bool EH = exceptionSettings(Args, Triple); // Obj-C exceptions are enabled by default, regardless of -fexceptions. This // is not necessarily sensible, but follows GCC. @@ -1876,31 +1961,27 @@ static void addExceptionArgs(const ArgList &Args, types::ID InputType, true)) { CmdArgs.push_back("-fobjc-exceptions"); - ES.ShouldUseExceptionTables |= - shouldUseExceptionTablesForObjCExceptions(objcRuntime, Triple); + EH |= shouldUseExceptionTablesForObjCExceptions(objcRuntime, Triple); } if (types::isCXX(InputType)) { - bool CXXExceptionsEnabled = ES.ExceptionsEnabled; - + bool CXXExceptionsEnabled = Triple.getArch() != llvm::Triple::xcore; if (Arg *A = Args.getLastArg(options::OPT_fcxx_exceptions, options::OPT_fno_cxx_exceptions, options::OPT_fexceptions, - options::OPT_fno_exceptions)) { - if (A->getOption().matches(options::OPT_fcxx_exceptions)) - CXXExceptionsEnabled = true; - else if (A->getOption().matches(options::OPT_fno_cxx_exceptions)) - CXXExceptionsEnabled = false; - } + options::OPT_fno_exceptions)) + CXXExceptionsEnabled = + A->getOption().matches(options::OPT_fcxx_exceptions) || + A->getOption().matches(options::OPT_fexceptions); if (CXXExceptionsEnabled) { CmdArgs.push_back("-fcxx-exceptions"); - ES.ShouldUseExceptionTables = true; + EH = true; } } - if (ES.ShouldUseExceptionTables) + if (EH) CmdArgs.push_back("-fexceptions"); } @@ -1926,7 +2007,7 @@ static bool ShouldDisableDwarfDirectory(const ArgList &Args, /// \brief Check whether the given input tree contains any compilation actions. static bool ContainsCompileAction(const Action *A) { - if (isa<CompileJobAction>(A)) + if (isa<CompileJobAction>(A) || isa<BackendJobAction>(A)) return true; for (const auto &Act : *A) @@ -1994,8 +2075,7 @@ static void CollectArgsForIntegratedAssembler(Compilation &C, } else if (Value == "-L") { CmdArgs.push_back("-msave-temp-labels"); } else if (Value == "--fatal-warnings") { - CmdArgs.push_back("-mllvm"); - CmdArgs.push_back("-fatal-assembler-warnings"); + CmdArgs.push_back("-massembler-fatal-warnings"); } else if (Value == "--noexecstack") { CmdArgs.push_back("-mnoexecstack"); } else if (Value == "-compress-debug-sections" || @@ -2028,11 +2108,13 @@ static void CollectArgsForIntegratedAssembler(Compilation &C, // Until ARM libraries are build separately, we have them all in one library static StringRef getArchNameForCompilerRTLib(const ToolChain &TC) { - if (TC.getArch() == llvm::Triple::arm || - TC.getArch() == llvm::Triple::armeb) + // FIXME: handle 64-bit + if (TC.getTriple().isOSWindows() && + !TC.getTriple().isWindowsItaniumEnvironment()) + return "i386"; + if (TC.getArch() == llvm::Triple::arm || TC.getArch() == llvm::Triple::armeb) return "arm"; - else - return TC.getArchName(); + return TC.getArchName(); } static SmallString<128> getCompilerRTLibDir(const ToolChain &TC) { @@ -2040,209 +2122,167 @@ static SmallString<128> getCompilerRTLibDir(const ToolChain &TC) { SmallString<128> Res(TC.getDriver().ResourceDir); const llvm::Triple &Triple = TC.getTriple(); // TC.getOS() yield "freebsd10.0" whereas "freebsd" is expected. - StringRef OSLibName = (Triple.getOS() == llvm::Triple::FreeBSD) ? - "freebsd" : TC.getOS(); + StringRef OSLibName = + (Triple.getOS() == llvm::Triple::FreeBSD) ? "freebsd" : TC.getOS(); llvm::sys::path::append(Res, "lib", OSLibName); return Res; } +static SmallString<128> getCompilerRT(const ToolChain &TC, StringRef Component, + bool Shared = false, + const char *Env = "") { + bool IsOSWindows = TC.getTriple().isOSWindows(); + StringRef Arch = getArchNameForCompilerRTLib(TC); + const char *Prefix = IsOSWindows ? "" : "lib"; + const char *Suffix = + Shared ? (IsOSWindows ? ".dll" : ".so") : (IsOSWindows ? ".lib" : ".a"); + + SmallString<128> Path = getCompilerRTLibDir(TC); + llvm::sys::path::append(Path, Prefix + Twine("clang_rt.") + Component + "-" + + Arch + Env + Suffix); + + return Path; +} + // This adds the static libclang_rt.builtins-arch.a directly to the command line // FIXME: Make sure we can also emit shared objects if they're requested // and available, check for possible errors, etc. -static void addClangRTLinux( - const ToolChain &TC, const ArgList &Args, ArgStringList &CmdArgs) { - SmallString<128> LibClangRT = getCompilerRTLibDir(TC); - llvm::sys::path::append(LibClangRT, Twine("libclang_rt.builtins-") + - getArchNameForCompilerRTLib(TC) + - ".a"); - - CmdArgs.push_back(Args.MakeArgString(LibClangRT)); - CmdArgs.push_back("-lgcc_s"); - if (TC.getDriver().CCCIsCXX()) - CmdArgs.push_back("-lgcc_eh"); +static void addClangRT(const ToolChain &TC, const ArgList &Args, + ArgStringList &CmdArgs) { + CmdArgs.push_back(Args.MakeArgString(getCompilerRT(TC, "builtins"))); + + if (!TC.getTriple().isOSWindows()) { + // FIXME: why do we link against gcc when we are using compiler-rt? + CmdArgs.push_back("-lgcc_s"); + if (TC.getDriver().CCCIsCXX()) + CmdArgs.push_back("-lgcc_eh"); + } } -static void addProfileRT( - const ToolChain &TC, const ArgList &Args, ArgStringList &CmdArgs) { - if (!(Args.hasArg(options::OPT_fprofile_arcs) || +static void addProfileRT(const ToolChain &TC, const ArgList &Args, + ArgStringList &CmdArgs) { + if (!(Args.hasFlag(options::OPT_fprofile_arcs, options::OPT_fno_profile_arcs, + false) || Args.hasArg(options::OPT_fprofile_generate) || Args.hasArg(options::OPT_fprofile_instr_generate) || Args.hasArg(options::OPT_fcreate_profile) || Args.hasArg(options::OPT_coverage))) return; - // -fprofile-instr-generate requires position-independent code to build with - // shared objects. Link against the right archive. - const char *Lib = "libclang_rt.profile-"; - if (Args.hasArg(options::OPT_fprofile_instr_generate) && - Args.hasArg(options::OPT_shared)) - Lib = "libclang_rt.profile-pic-"; - - SmallString<128> LibProfile = getCompilerRTLibDir(TC); - llvm::sys::path::append(LibProfile, - Twine(Lib) + getArchNameForCompilerRTLib(TC) + ".a"); - - CmdArgs.push_back(Args.MakeArgString(LibProfile)); + CmdArgs.push_back(Args.MakeArgString(getCompilerRT(TC, "profile"))); } -static SmallString<128> getSanitizerRTLibName(const ToolChain &TC, - const StringRef Sanitizer, - bool Shared) { - // Sanitizer runtime has name "libclang_rt.<Sanitizer>-<ArchName>.{a,so}" - // (or "libclang_rt.<Sanitizer>-<ArchName>-android.so for Android) - const char *EnvSuffix = - TC.getTriple().getEnvironment() == llvm::Triple::Android ? "-android" : ""; - SmallString<128> LibSanitizer = getCompilerRTLibDir(TC); - llvm::sys::path::append(LibSanitizer, - Twine("libclang_rt.") + Sanitizer + "-" + - getArchNameForCompilerRTLib(TC) + EnvSuffix + - (Shared ? ".so" : ".a")); - return LibSanitizer; +static void addSanitizerRuntime(const ToolChain &TC, const ArgList &Args, + ArgStringList &CmdArgs, StringRef Sanitizer, + bool IsShared) { + const char *Env = TC.getTriple().getEnvironment() == llvm::Triple::Android + ? "-android" + : ""; + + // Static runtimes must be forced into executable, so we wrap them in + // whole-archive. + if (!IsShared) + CmdArgs.push_back("-whole-archive"); + CmdArgs.push_back(Args.MakeArgString(getCompilerRT(TC, Sanitizer, IsShared, + Env))); + if (!IsShared) + CmdArgs.push_back("-no-whole-archive"); } -static void addSanitizerRTLinkFlags(const ToolChain &TC, const ArgList &Args, +// Tries to use a file with the list of dynamic symbols that need to be exported +// from the runtime library. Returns true if the file was found. +static bool addSanitizerDynamicList(const ToolChain &TC, const ArgList &Args, ArgStringList &CmdArgs, - const StringRef Sanitizer, - bool BeforeLibStdCXX, - bool ExportSymbols = true, - bool LinkDeps = true) { - SmallString<128> LibSanitizer = - getSanitizerRTLibName(TC, Sanitizer, /*Shared*/ false); - - // Sanitizer runtime may need to come before -lstdc++ (or -lc++, libstdc++.a, - // etc.) so that the linker picks custom versions of the global 'operator - // new' and 'operator delete' symbols. We take the extreme (but simple) - // strategy of inserting it at the front of the link command. It also - // needs to be forced to end up in the executable, so wrap it in - // whole-archive. - SmallVector<const char *, 3> LibSanitizerArgs; - LibSanitizerArgs.push_back("-whole-archive"); - LibSanitizerArgs.push_back(Args.MakeArgString(LibSanitizer)); - LibSanitizerArgs.push_back("-no-whole-archive"); - - CmdArgs.insert(BeforeLibStdCXX ? CmdArgs.begin() : CmdArgs.end(), - LibSanitizerArgs.begin(), LibSanitizerArgs.end()); - - if (LinkDeps) { - // Link sanitizer dependencies explicitly - CmdArgs.push_back("-lpthread"); - CmdArgs.push_back("-lrt"); - CmdArgs.push_back("-lm"); - // There's no libdl on FreeBSD. - if (TC.getTriple().getOS() != llvm::Triple::FreeBSD) - CmdArgs.push_back("-ldl"); + StringRef Sanitizer) { + SmallString<128> SanRT = getCompilerRT(TC, Sanitizer); + if (llvm::sys::fs::exists(SanRT + ".syms")) { + CmdArgs.push_back(Args.MakeArgString("--dynamic-list=" + SanRT + ".syms")); + return true; } + return false; +} - // If possible, use a dynamic symbols file to export the symbols from the - // runtime library. If we can't do so, use -export-dynamic instead to export - // all symbols from the binary. - if (ExportSymbols) { - if (llvm::sys::fs::exists(LibSanitizer + ".syms")) - CmdArgs.push_back( - Args.MakeArgString("--dynamic-list=" + LibSanitizer + ".syms")); - else - CmdArgs.push_back("-export-dynamic"); - } +static void linkSanitizerRuntimeDeps(const ToolChain &TC, + ArgStringList &CmdArgs) { + // Force linking against the system libraries sanitizers depends on + // (see PR15823 why this is necessary). + CmdArgs.push_back("--no-as-needed"); + CmdArgs.push_back("-lpthread"); + CmdArgs.push_back("-lrt"); + CmdArgs.push_back("-lm"); + // There's no libdl on FreeBSD. + if (TC.getTriple().getOS() != llvm::Triple::FreeBSD) + CmdArgs.push_back("-ldl"); } -/// If AddressSanitizer is enabled, add appropriate linker flags (Linux). -/// This needs to be called before we add the C run-time (malloc, etc). -static void addAsanRT(const ToolChain &TC, const ArgList &Args, - ArgStringList &CmdArgs, bool Shared, bool IsCXX) { - if (Shared) { - // Link dynamic runtime if necessary. - SmallString<128> LibSanitizer = - getSanitizerRTLibName(TC, "asan", Shared); - CmdArgs.insert(CmdArgs.begin(), Args.MakeArgString(LibSanitizer)); +static void +collectSanitizerRuntimes(const ToolChain &TC, const ArgList &Args, + SmallVectorImpl<StringRef> &SharedRuntimes, + SmallVectorImpl<StringRef> &StaticRuntimes, + SmallVectorImpl<StringRef> &HelperStaticRuntimes) { + const SanitizerArgs &SanArgs = TC.getSanitizerArgs(); + // Collect shared runtimes. + if (SanArgs.needsAsanRt() && SanArgs.needsSharedAsanRt()) { + SharedRuntimes.push_back("asan"); } - // Do not link static runtime to DSOs or if compiling for Android. + // Collect static runtimes. if (Args.hasArg(options::OPT_shared) || - (TC.getTriple().getEnvironment() == llvm::Triple::Android)) + (TC.getTriple().getEnvironment() == llvm::Triple::Android)) { + // Don't link static runtimes into DSOs or if compiling for Android. return; - - if (Shared) { - addSanitizerRTLinkFlags(TC, Args, CmdArgs, "asan-preinit", - /*BeforeLibStdCXX*/ true, /*ExportSymbols*/ false, - /*LinkDeps*/ false); - } else { - addSanitizerRTLinkFlags(TC, Args, CmdArgs, "asan", true); - if (IsCXX) - addSanitizerRTLinkFlags(TC, Args, CmdArgs, "asan_cxx", true); } -} - -/// If ThreadSanitizer is enabled, add appropriate linker flags (Linux). -/// This needs to be called before we add the C run-time (malloc, etc). -static void addTsanRT(const ToolChain &TC, const ArgList &Args, - ArgStringList &CmdArgs) { - if (!Args.hasArg(options::OPT_shared)) - addSanitizerRTLinkFlags(TC, Args, CmdArgs, "tsan", true); -} - -/// If MemorySanitizer is enabled, add appropriate linker flags (Linux). -/// This needs to be called before we add the C run-time (malloc, etc). -static void addMsanRT(const ToolChain &TC, const ArgList &Args, - ArgStringList &CmdArgs) { - if (!Args.hasArg(options::OPT_shared)) - addSanitizerRTLinkFlags(TC, Args, CmdArgs, "msan", true); -} - -/// If LeakSanitizer is enabled, add appropriate linker flags (Linux). -/// This needs to be called before we add the C run-time (malloc, etc). -static void addLsanRT(const ToolChain &TC, const ArgList &Args, - ArgStringList &CmdArgs) { - if (!Args.hasArg(options::OPT_shared)) - addSanitizerRTLinkFlags(TC, Args, CmdArgs, "lsan", true); -} - -/// If UndefinedBehaviorSanitizer is enabled, add appropriate linker flags -/// (Linux). -static void addUbsanRT(const ToolChain &TC, const ArgList &Args, - ArgStringList &CmdArgs, bool IsCXX, - bool HasOtherSanitizerRt) { - // Do not link runtime into shared libraries. - if (Args.hasArg(options::OPT_shared)) - return; - - // Need a copy of sanitizer_common. This could come from another sanitizer - // runtime; if we're not including one, include our own copy. - if (!HasOtherSanitizerRt) - addSanitizerRTLinkFlags(TC, Args, CmdArgs, "san", true, false); - - addSanitizerRTLinkFlags(TC, Args, CmdArgs, "ubsan", false, true); - - // Only include the bits of the runtime which need a C++ ABI library if - // we're linking in C++ mode. - if (IsCXX) - addSanitizerRTLinkFlags(TC, Args, CmdArgs, "ubsan_cxx", false, true); -} - -static void addDfsanRT(const ToolChain &TC, const ArgList &Args, - ArgStringList &CmdArgs) { - if (!Args.hasArg(options::OPT_shared)) - addSanitizerRTLinkFlags(TC, Args, CmdArgs, "dfsan", true); -} - -// Should be called before we add C++ ABI library. -static void addSanitizerRuntimes(const ToolChain &TC, const ArgList &Args, + if (SanArgs.needsAsanRt()) { + if (SanArgs.needsSharedAsanRt()) { + HelperStaticRuntimes.push_back("asan-preinit"); + } else { + StaticRuntimes.push_back("asan"); + if (SanArgs.linkCXXRuntimes()) + StaticRuntimes.push_back("asan_cxx"); + } + } + if (SanArgs.needsDfsanRt()) + StaticRuntimes.push_back("dfsan"); + if (SanArgs.needsLsanRt()) + StaticRuntimes.push_back("lsan"); + if (SanArgs.needsMsanRt()) + StaticRuntimes.push_back("msan"); + if (SanArgs.needsTsanRt()) + StaticRuntimes.push_back("tsan"); + // WARNING: UBSan should always go last. + if (SanArgs.needsUbsanRt()) { + // If UBSan is not combined with another sanitizer, we need to pull in + // sanitizer_common explicitly. + if (StaticRuntimes.empty()) + HelperStaticRuntimes.push_back("san"); + StaticRuntimes.push_back("ubsan"); + if (SanArgs.linkCXXRuntimes()) + StaticRuntimes.push_back("ubsan_cxx"); + } +} + +// Should be called before we add system libraries (C++ ABI, libstdc++/libc++, +// C runtime, etc). Returns true if sanitizer system deps need to be linked in. +static bool addSanitizerRuntimes(const ToolChain &TC, const ArgList &Args, ArgStringList &CmdArgs) { - const SanitizerArgs &Sanitize = TC.getSanitizerArgs(); - const Driver &D = TC.getDriver(); - if (Sanitize.needsUbsanRt()) - addUbsanRT(TC, Args, CmdArgs, D.CCCIsCXX(), - Sanitize.needsAsanRt() || Sanitize.needsTsanRt() || - Sanitize.needsMsanRt() || Sanitize.needsLsanRt()); - if (Sanitize.needsAsanRt()) - addAsanRT(TC, Args, CmdArgs, Sanitize.needsSharedAsanRt(), D.CCCIsCXX()); - if (Sanitize.needsTsanRt()) - addTsanRT(TC, Args, CmdArgs); - if (Sanitize.needsMsanRt()) - addMsanRT(TC, Args, CmdArgs); - if (Sanitize.needsLsanRt()) - addLsanRT(TC, Args, CmdArgs); - if (Sanitize.needsDfsanRt()) - addDfsanRT(TC, Args, CmdArgs); + SmallVector<StringRef, 4> SharedRuntimes, StaticRuntimes, + HelperStaticRuntimes; + collectSanitizerRuntimes(TC, Args, SharedRuntimes, StaticRuntimes, + HelperStaticRuntimes); + for (auto RT : SharedRuntimes) + addSanitizerRuntime(TC, Args, CmdArgs, RT, true); + for (auto RT : HelperStaticRuntimes) + addSanitizerRuntime(TC, Args, CmdArgs, RT, false); + bool AddExportDynamic = false; + for (auto RT : StaticRuntimes) { + addSanitizerRuntime(TC, Args, CmdArgs, RT, false); + AddExportDynamic |= !addSanitizerDynamicList(TC, Args, CmdArgs, RT); + } + // If there is a static runtime with no dynamic list, force all the symbols + // to be dynamic to be sure we export sanitizer interface functions. + if (AddExportDynamic) + CmdArgs.push_back("-export-dynamic"); + return !StaticRuntimes.empty(); } static bool shouldUseFramePointerForTarget(const ArgList &Args, @@ -2332,10 +2372,10 @@ static void SplitDebugInfo(const ToolChain &TC, Compilation &C, Args.MakeArgString(TC.GetProgramPath("objcopy")); // First extract the dwo sections. - C.addCommand(new Command(JA, T, Exec, ExtractArgs)); + C.addCommand(llvm::make_unique<Command>(JA, T, Exec, ExtractArgs)); // Then remove them from the original .o file. - C.addCommand(new Command(JA, T, Exec, StripArgs)); + C.addCommand(llvm::make_unique<Command>(JA, T, Exec, StripArgs)); } /// \brief Vectorize at all optimization levels greater than 1 except for -Oz. @@ -2405,6 +2445,16 @@ static std::string getMSCompatibilityVersion(const char *VersionStr) { llvm::utostr_32(Build); } +// Claim options we don't want to warn if they are unused. We do this for +// options that build systems might add but are unused when assembling or only +// running the preprocessor for example. +static void claimNoWarnArgs(const ArgList &Args) { + // Don't warn about unused -f(no-)?lto. This can happen when we're + // preprocessing, precompiling or assembling. + Args.ClaimAllArgs(options::OPT_flto); + Args.ClaimAllArgs(options::OPT_fno_lto); +} + void Clang::ConstructJob(Compilation &C, const JobAction &JA, const InputInfo &Output, const InputInfoList &Inputs, @@ -2485,7 +2535,8 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA, } else if (isa<VerifyPCHJobAction>(JA)) { CmdArgs.push_back("-verify-pch"); } else { - assert(isa<CompileJobAction>(JA) && "Invalid action for clang tool."); + assert((isa<CompileJobAction>(JA) || isa<BackendJobAction>(JA)) && + "Invalid action for clang tool."); if (JA.getType() == types::TY_Nothing) { CmdArgs.push_back("-fsyntax-only"); @@ -2599,7 +2650,6 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA, case llvm::Triple::thumb: case llvm::Triple::thumbeb: case llvm::Triple::aarch64: - case llvm::Triple::arm64: case llvm::Triple::mips: case llvm::Triple::mipsel: case llvm::Triple::mips64: @@ -2679,9 +2729,7 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA, // Note that these flags are trump-cards. Regardless of the order w.r.t. the // PIC or PIE options above, if these show up, PIC is disabled. llvm::Triple Triple(TripleStr); - if (KernelOrKext && (!Triple.isiOS() || Triple.isOSVersionLT(6) || - Triple.getArch() == llvm::Triple::arm64 || - Triple.getArch() == llvm::Triple::aarch64)) + if (KernelOrKext && (!Triple.isiOS() || Triple.isOSVersionLT(6))) PIC = PIE = false; if (Args.hasArg(options::OPT_static)) PIC = PIE = false; @@ -2721,12 +2769,31 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA, } } + CmdArgs.push_back("-mthread-model"); + if (Arg *A = Args.getLastArg(options::OPT_mthread_model)) + CmdArgs.push_back(A->getValue()); + else + CmdArgs.push_back(Args.MakeArgString(getToolChain().getThreadModel())); + if (!Args.hasFlag(options::OPT_fmerge_all_constants, options::OPT_fno_merge_all_constants)) CmdArgs.push_back("-fno-merge-all-constants"); // LLVM Code Generator Options. + if (Args.hasArg(options::OPT_frewrite_map_file) || + Args.hasArg(options::OPT_frewrite_map_file_EQ)) { + for (arg_iterator + MFI = Args.filtered_begin(options::OPT_frewrite_map_file, + options::OPT_frewrite_map_file_EQ), + MFE = Args.filtered_end(); + MFI != MFE; ++MFI) { + CmdArgs.push_back("-frewrite-map-file"); + CmdArgs.push_back((*MFI)->getValue()); + (*MFI)->claim(); + } + } + if (Arg *A = Args.getLastArg(options::OPT_Wframe_larger_than_EQ)) { StringRef v = A->getValue(); CmdArgs.push_back("-mllvm"); @@ -3017,8 +3084,6 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA, case llvm::Triple::aarch64: case llvm::Triple::aarch64_be: - case llvm::Triple::arm64: - case llvm::Triple::arm64_be: AddAArch64TargetArgs(Args, CmdArgs); break; @@ -3029,6 +3094,12 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA, AddMIPSTargetArgs(Args, CmdArgs); break; + case llvm::Triple::ppc: + case llvm::Triple::ppc64: + case llvm::Triple::ppc64le: + AddPPCTargetArgs(Args, CmdArgs); + break; + case llvm::Triple::sparc: case llvm::Triple::sparcv9: AddSparcTargetArgs(Args, CmdArgs); @@ -3092,14 +3163,16 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA, // are preserved, all other debug options are substituted with "-g". Args.ClaimAllArgs(options::OPT_g_Group); if (Arg *A = Args.getLastArg(options::OPT_g_Group)) { - if (A->getOption().matches(options::OPT_gline_tables_only)) { + if (A->getOption().matches(options::OPT_gline_tables_only) || + A->getOption().matches(options::OPT_g1)) { // FIXME: we should support specifying dwarf version with // -gline-tables-only. CmdArgs.push_back("-gline-tables-only"); - // Default is dwarf-2 for Darwin, OpenBSD and FreeBSD. + // Default is dwarf-2 for Darwin, OpenBSD, FreeBSD and Solaris. const llvm::Triple &Triple = getToolChain().getTriple(); if (Triple.isOSDarwin() || Triple.getOS() == llvm::Triple::OpenBSD || - Triple.getOS() == llvm::Triple::FreeBSD) + Triple.getOS() == llvm::Triple::FreeBSD || + Triple.getOS() == llvm::Triple::Solaris) CmdArgs.push_back("-gdwarf-2"); } else if (A->getOption().matches(options::OPT_gdwarf_2)) CmdArgs.push_back("-gdwarf-2"); @@ -3109,10 +3182,11 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA, CmdArgs.push_back("-gdwarf-4"); else if (!A->getOption().matches(options::OPT_g0) && !A->getOption().matches(options::OPT_ggdb0)) { - // Default is dwarf-2 for Darwin, OpenBSD and FreeBSD. + // Default is dwarf-2 for Darwin, OpenBSD, FreeBSD and Solaris. const llvm::Triple &Triple = getToolChain().getTriple(); if (Triple.isOSDarwin() || Triple.getOS() == llvm::Triple::OpenBSD || - Triple.getOS() == llvm::Triple::FreeBSD) + Triple.getOS() == llvm::Triple::FreeBSD || + Triple.getOS() == llvm::Triple::Solaris) CmdArgs.push_back("-gdwarf-2"); else CmdArgs.push_back("-g"); @@ -3183,15 +3257,29 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA, if (Args.hasArg(options::OPT_ftest_coverage) || Args.hasArg(options::OPT_coverage)) CmdArgs.push_back("-femit-coverage-notes"); - if (Args.hasArg(options::OPT_fprofile_arcs) || + if (Args.hasFlag(options::OPT_fprofile_arcs, options::OPT_fno_profile_arcs, + false) || Args.hasArg(options::OPT_coverage)) CmdArgs.push_back("-femit-coverage-data"); + if (Args.hasArg(options::OPT_fcoverage_mapping) && + !Args.hasArg(options::OPT_fprofile_instr_generate)) + D.Diag(diag::err_drv_argument_only_allowed_with) + << "-fcoverage-mapping" << "-fprofile-instr-generate"; + + if (Args.hasArg(options::OPT_fcoverage_mapping)) + CmdArgs.push_back("-fcoverage-mapping"); + if (C.getArgs().hasArg(options::OPT_c) || C.getArgs().hasArg(options::OPT_S)) { if (Output.isFilename()) { CmdArgs.push_back("-coverage-file"); - SmallString<128> CoverageFilename(Output.getFilename()); + SmallString<128> CoverageFilename; + if (Arg *FinalOutput = C.getArgs().getLastArg(options::OPT_o)) { + CoverageFilename = FinalOutput->getValue(); + } else { + CoverageFilename = llvm::sys::path::filename(Output.getBaseInput()); + } if (llvm::sys::path::is_relative(CoverageFilename.str())) { SmallString<128> Pwd; if (!llvm::sys::fs::current_path(Pwd)) { @@ -3319,9 +3407,7 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA, D.Diag(diag::warn_ignored_gcc_optimization) << (*it)->getAsString(Args); } - // Don't warn about unused -flto. This can happen when we're preprocessing or - // precompiling. - Args.ClaimAllArgs(options::OPT_flto); + claimNoWarnArgs(Args); Args.AddAllArgs(CmdArgs, options::OPT_R_Group); Args.AddAllArgs(CmdArgs, options::OPT_W_Group); @@ -3344,8 +3430,10 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA, else Std->render(Args, CmdArgs); + // If -f(no-)trigraphs appears after the language standard flag, honor it. if (Arg *A = Args.getLastArg(options::OPT_std_EQ, options::OPT_ansi, - options::OPT_trigraphs)) + options::OPT_ftrigraphs, + options::OPT_fno_trigraphs)) if (A != Std) A->render(Args, CmdArgs); } else { @@ -3361,7 +3449,8 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA, else if (IsWindowsMSVC) CmdArgs.push_back("-std=c++11"); - Args.AddLastArg(CmdArgs, options::OPT_trigraphs); + Args.AddLastArg(CmdArgs, options::OPT_ftrigraphs, + options::OPT_fno_trigraphs); } // GCC's behavior for -Wwrite-strings is a bit strange: @@ -3480,6 +3569,11 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA, CmdArgs.push_back(A->getValue()); } + if (Arg *A = Args.getLastArg(options::OPT_fspell_checking_limit_EQ)) { + CmdArgs.push_back("-fspell-checking-limit"); + CmdArgs.push_back(A->getValue()); + } + // Pass -fmessage-length=. CmdArgs.push_back("-fmessage-length"); if (Arg *A = Args.getLastArg(options::OPT_fmessage_length_EQ)) { @@ -3517,7 +3611,6 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA, // Forward -f (flag) options which we can pass directly. Args.AddLastArg(CmdArgs, options::OPT_femit_all_decls); - Args.AddLastArg(CmdArgs, options::OPT_fformat_extensions); Args.AddLastArg(CmdArgs, options::OPT_fheinous_gnu_extensions); Args.AddLastArg(CmdArgs, options::OPT_fstandalone_debug); Args.AddLastArg(CmdArgs, options::OPT_fno_standalone_debug); @@ -3532,15 +3625,6 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA, const SanitizerArgs &Sanitize = getToolChain().getSanitizerArgs(); Sanitize.addArgs(Args, CmdArgs); - if (!Args.hasFlag(options::OPT_fsanitize_recover, - options::OPT_fno_sanitize_recover, - true)) - CmdArgs.push_back("-fno-sanitize-recover"); - - if (Args.hasFlag(options::OPT_fsanitize_undefined_trap_on_error, - options::OPT_fno_sanitize_undefined_trap_on_error, false)) - CmdArgs.push_back("-fsanitize-undefined-trap-on-error"); - // Report an error for -faltivec on anything other than PowerPC. if (const Arg *A = Args.getLastArg(options::OPT_faltivec)) if (!(getToolChain().getArch() == llvm::Triple::ppc || @@ -3648,31 +3732,10 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA, StringRef alignment = Args.getLastArgValue(options::OPT_mstack_alignment); CmdArgs.push_back(Args.MakeArgString("-mstack-alignment=" + alignment)); } - // -mkernel implies -mstrict-align; don't add the redundant option. - if (!KernelOrKext) { - if (Arg *A = Args.getLastArg(options::OPT_mno_unaligned_access, - options::OPT_munaligned_access)) { - if (A->getOption().matches(options::OPT_mno_unaligned_access)) { - CmdArgs.push_back("-backend-option"); - if (getToolChain().getTriple().getArch() == llvm::Triple::aarch64 || - getToolChain().getTriple().getArch() == llvm::Triple::aarch64_be || - getToolChain().getTriple().getArch() == llvm::Triple::arm64 || - getToolChain().getTriple().getArch() == llvm::Triple::arm64_be) - CmdArgs.push_back("-aarch64-strict-align"); - else - CmdArgs.push_back("-arm-strict-align"); - } else { - CmdArgs.push_back("-backend-option"); - if (getToolChain().getTriple().getArch() == llvm::Triple::aarch64 || - getToolChain().getTriple().getArch() == llvm::Triple::aarch64_be || - getToolChain().getTriple().getArch() == llvm::Triple::arm64 || - getToolChain().getTriple().getArch() == llvm::Triple::arm64_be) - CmdArgs.push_back("-aarch64-no-strict-align"); - else - CmdArgs.push_back("-arm-no-strict-align"); - } - } - } + + if (getToolChain().getTriple().getArch() == llvm::Triple::aarch64 || + getToolChain().getTriple().getArch() == llvm::Triple::aarch64_be) + CmdArgs.push_back("-fallow-half-arguments-and-returns"); if (Arg *A = Args.getLastArg(options::OPT_mrestrict_it, options::OPT_mno_restrict_it)) { @@ -3739,14 +3802,14 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA, CmdArgs.push_back("-fblocks-runtime-optional"); } - // -fmodules enables modules (off by default). However, for C++/Objective-C++, - // users must also pass -fcxx-modules. The latter flag will disappear once the - // modules implementation is solid for C++/Objective-C++ programs as well. + // -fmodules enables modules (off by default). + // Users can pass -fno-cxx-modules to turn off modules support for + // C++/Objective-C++ programs, which is a little less mature. bool HaveModules = false; if (Args.hasFlag(options::OPT_fmodules, options::OPT_fno_modules, false)) { bool AllowedInCXX = Args.hasFlag(options::OPT_fcxx_modules, options::OPT_fno_cxx_modules, - false); + true); if (AllowedInCXX || !types::isCXX(InputType)) { CmdArgs.push_back("-fmodules"); HaveModules = true; @@ -3778,15 +3841,17 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA, // -fmodule-name specifies the module that is currently being built (or // used for header checking by -fmodule-maps). - if (Arg *A = Args.getLastArg(options::OPT_fmodule_name)) - A->render(Args, CmdArgs); + Args.AddLastArg(CmdArgs, options::OPT_fmodule_name); - // -fmodule-map-file can be used to specify a file containing module + // -fmodule-map-file can be used to specify files containing module // definitions. - if (Arg *A = Args.getLastArg(options::OPT_fmodule_map_file)) - A->render(Args, CmdArgs); + Args.AddAllArgs(CmdArgs, options::OPT_fmodule_map_file); + + // -fmodule-file can be used to specify files containing precompiled modules. + Args.AddAllArgs(CmdArgs, options::OPT_fmodule_file); - // -fmodule-cache-path specifies where our module files should be written. + // -fmodule-cache-path specifies where our implicitly-built module files + // should be written. SmallString<128> ModuleCachePath; if (Arg *A = Args.getLastArg(options::OPT_fmodules_cache_path)) ModuleCachePath = A->getValue(); @@ -3814,14 +3879,16 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA, if (HaveModules && C.isForDiagnostics()) { SmallString<128> VFSDir(Output.getFilename()); llvm::sys::path::replace_extension(VFSDir, ".cache"); + // Add the cache directory as a temp so the crash diagnostics pick it up. + C.addTempFile(Args.MakeArgString(VFSDir)); + llvm::sys::path::append(VFSDir, "vfs"); CmdArgs.push_back("-module-dependency-dir"); CmdArgs.push_back(Args.MakeArgString(VFSDir)); } - if (Arg *A = Args.getLastArg(options::OPT_fmodules_user_build_path)) - if (HaveModules) - A->render(Args, CmdArgs); + if (HaveModules) + Args.AddLastArg(CmdArgs, options::OPT_fmodules_user_build_path); // Pass through all -fmodules-ignore-macro arguments. Args.AddAllArgs(CmdArgs, options::OPT_fmodules_ignore_macro); @@ -3830,8 +3897,23 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA, Args.AddLastArg(CmdArgs, options::OPT_fbuild_session_timestamp); + if (Arg *A = Args.getLastArg(options::OPT_fbuild_session_file)) { + if (Args.hasArg(options::OPT_fbuild_session_timestamp)) + D.Diag(diag::err_drv_argument_not_allowed_with) + << A->getAsString(Args) << "-fbuild-session-timestamp"; + + llvm::sys::fs::file_status Status; + if (llvm::sys::fs::status(A->getValue(), Status)) + D.Diag(diag::err_drv_no_such_file) << A->getValue(); + char TimeStamp[48]; + snprintf(TimeStamp, sizeof(TimeStamp), "-fbuild-session-timestamp=%" PRIu64, + (uint64_t)Status.getLastModificationTime().toEpochTime()); + CmdArgs.push_back(Args.MakeArgString(TimeStamp)); + } + if (Args.getLastArg(options::OPT_fmodules_validate_once_per_build_session)) { - if (!Args.getLastArg(options::OPT_fbuild_session_timestamp)) + if (!Args.getLastArg(options::OPT_fbuild_session_timestamp, + options::OPT_fbuild_session_file)) D.Diag(diag::err_drv_modules_validate_once_requires_timestamp); Args.AddLastArg(CmdArgs, @@ -4086,6 +4168,21 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA, CmdArgs.push_back("-fpack-struct=1"); } + // Handle -fmax-type-align=N and -fno-type-align + bool SkipMaxTypeAlign = Args.hasArg(options::OPT_fno_max_type_align); + if (Arg *A = Args.getLastArg(options::OPT_fmax_type_align_EQ)) { + if (!SkipMaxTypeAlign) { + std::string MaxTypeAlignStr = "-fmax-type-align="; + MaxTypeAlignStr += A->getValue(); + CmdArgs.push_back(Args.MakeArgString(MaxTypeAlignStr)); + } + } else if (getToolChain().getTriple().isOSDarwin()) { + if (!SkipMaxTypeAlign) { + std::string MaxTypeAlignStr = "-fmax-type-align=16"; + CmdArgs.push_back(Args.MakeArgString(MaxTypeAlignStr)); + } + } + if (KernelOrKext || isNoCommonDefault(getToolChain().getTriple())) { if (!Args.hasArg(options::OPT_fcommon)) CmdArgs.push_back("-fno-common"); @@ -4117,6 +4214,14 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA, D.Diag(diag::err_drv_invalid_value) << inputCharset->getAsString(Args) << value; } + // -fexec_charset=UTF-8 is default. Reject others + if (Arg *execCharset = Args.getLastArg( + options::OPT_fexec_charset_EQ)) { + StringRef value = execCharset->getValue(); + if (value != "UTF-8") + D.Diag(diag::err_drv_invalid_value) << execCharset->getAsString(Args) << value; + } + // -fcaret-diagnostics is default. if (!Args.hasFlag(options::OPT_fcaret_diagnostics, options::OPT_fno_caret_diagnostics, true)) @@ -4322,18 +4427,27 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA, // Forward -Xclang arguments to -cc1, and -mllvm arguments to the LLVM option // parser. Args.AddAllArgValues(CmdArgs, options::OPT_Xclang); + bool OptDisabled = false; for (arg_iterator it = Args.filtered_begin(options::OPT_mllvm), ie = Args.filtered_end(); it != ie; ++it) { (*it)->claim(); // We translate this by hand to the -cc1 argument, since nightly test uses // it and developers have been trained to spell it with -mllvm. - if (StringRef((*it)->getValue(0)) == "-disable-llvm-optzns") + if (StringRef((*it)->getValue(0)) == "-disable-llvm-optzns") { CmdArgs.push_back("-disable-llvm-optzns"); - else + OptDisabled = true; + } else (*it)->render(Args, CmdArgs); } + // With -save-temps, we want to save the unoptimized bitcode output from the + // CompileJobAction, so disable optimizations if they are not already + // disabled. + if (Args.hasArg(options::OPT_save_temps) && !OptDisabled && + isa<CompileJobAction>(JA)) + CmdArgs.push_back("-disable-llvm-optzns"); + if (Output.getType() == types::TY_Dependencies) { // Handled with other dependency code. } else if (Output.isFilename()) { @@ -4366,8 +4480,10 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA, SmallString<256> Flags; Flags += Exec; for (unsigned i = 0, e = OriginalArgs.size(); i != e; ++i) { + SmallString<128> EscapedArg; + EscapeSpacesAndBackslashes(OriginalArgs[i], EscapedArg); Flags += " "; - Flags += OriginalArgs[i]; + Flags += EscapedArg; } CmdArgs.push_back("-dwarf-debug-flags"); CmdArgs.push_back(Args.MakeArgString(Flags.str())); @@ -4377,7 +4493,8 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA, // can propagate it to the backend. bool SplitDwarf = Args.hasArg(options::OPT_gsplit_dwarf) && getToolChain().getTriple().isOSLinux() && - (isa<AssembleJobAction>(JA) || isa<CompileJobAction>(JA)); + (isa<AssembleJobAction>(JA) || isa<CompileJobAction>(JA) || + isa<BackendJobAction>(JA)); const char *SplitDwarfOut; if (SplitDwarf) { CmdArgs.push_back("-split-dwarf-file"); @@ -4389,18 +4506,19 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA, if (Args.hasArg(options::OPT__SLASH_fallback) && Output.getType() == types::TY_Object && (InputType == types::TY_C || InputType == types::TY_CXX)) { - Command *CLCommand = getCLFallback()->GetCommand(C, JA, Output, Inputs, - Args, LinkingOutput); - C.addCommand(new FallbackCommand(JA, *this, Exec, CmdArgs, CLCommand)); + auto CLCommand = + getCLFallback()->GetCommand(C, JA, Output, Inputs, Args, LinkingOutput); + C.addCommand(llvm::make_unique<FallbackCommand>(JA, *this, Exec, CmdArgs, + std::move(CLCommand))); } else { - C.addCommand(new Command(JA, *this, Exec, CmdArgs)); + C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs)); } // Handle the debug info splitting at object creation time if we're // creating an object. // TODO: Currently only works on linux with newer objcopy. - if (SplitDwarf && !isa<CompileJobAction>(JA)) + if (SplitDwarf && !isa<CompileJobAction>(JA) && !isa<BackendJobAction>(JA)) SplitDebugInfo(getToolChain(), C, *this, JA, Args, Output, SplitDwarfOut); if (Arg *A = Args.getLastArg(options::OPT_pg)) @@ -4717,6 +4835,8 @@ void ClangAs::ConstructJob(Compilation &C, const JobAction &JA, // and "clang -emit-llvm -c foo.s" Args.ClaimAllArgs(options::OPT_emit_llvm); + claimNoWarnArgs(Args); + // Invoke ourselves in -cc1as mode. // // FIXME: Implement custom jobs for internal actions. @@ -4796,8 +4916,10 @@ void ClangAs::ConstructJob(Compilation &C, const JobAction &JA, const char *Exec = getToolChain().getDriver().getClangProgramPath(); Flags += Exec; for (unsigned i = 0, e = OriginalArgs.size(); i != e; ++i) { + SmallString<128> EscapedArg; + EscapeSpacesAndBackslashes(OriginalArgs[i], EscapedArg); Flags += " "; - Flags += OriginalArgs[i]; + Flags += EscapedArg; } CmdArgs.push_back("-dwarf-debug-flags"); CmdArgs.push_back(Args.MakeArgString(Flags.str())); @@ -4828,7 +4950,7 @@ void ClangAs::ConstructJob(Compilation &C, const JobAction &JA, CmdArgs.push_back(Input.getFilename()); const char *Exec = getToolChain().getDriver().getClangProgramPath(); - C.addCommand(new Command(JA, *this, Exec, CmdArgs)); + C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs)); // Handle the debug info splitting at object creation time if we're // creating an object. @@ -4839,6 +4961,8 @@ void ClangAs::ConstructJob(Compilation &C, const JobAction &JA, SplitDebugName(Args, Inputs)); } +void GnuTool::anchor() {} + void gcc::Common::ConstructJob(Compilation &C, const JobAction &JA, const InputInfo &Output, const InputInfoList &Inputs, @@ -4871,19 +4995,10 @@ void gcc::Common::ConstructJob(Compilation &C, const JobAction &JA, RenderExtraToolArgs(JA, CmdArgs); // If using a driver driver, force the arch. - llvm::Triple::ArchType Arch = getToolChain().getArch(); if (getToolChain().getTriple().isOSDarwin()) { CmdArgs.push_back("-arch"); - - // FIXME: Remove these special cases. - if (Arch == llvm::Triple::ppc) - CmdArgs.push_back("ppc"); - else if (Arch == llvm::Triple::ppc64) - CmdArgs.push_back("ppc64"); - else if (Arch == llvm::Triple::ppc64le) - CmdArgs.push_back("ppc64le"); - else - CmdArgs.push_back(Args.MakeArgString(getToolChain().getArchName())); + CmdArgs.push_back( + Args.MakeArgString(getToolChain().getDefaultUniversalArchName())); } // Try to force gcc to match the tool chain we want, if we recognize @@ -4891,6 +5006,7 @@ void gcc::Common::ConstructJob(Compilation &C, const JobAction &JA, // // FIXME: The triple class should directly provide the information we want // here. + llvm::Triple::ArchType Arch = getToolChain().getArch(); if (Arch == llvm::Triple::x86 || Arch == llvm::Triple::ppc) CmdArgs.push_back("-m32"); else if (Arch == llvm::Triple::x86_64 || Arch == llvm::Triple::ppc64 || @@ -4961,7 +5077,7 @@ void gcc::Common::ConstructJob(Compilation &C, const JobAction &JA, const char *Exec = Args.MakeArgString(getToolChain().GetProgramPath(GCCName)); - C.addCommand(new Command(JA, *this, Exec, CmdArgs)); + C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs)); } void gcc::Preprocess::RenderExtraToolArgs(const JobAction &JA, @@ -5001,6 +5117,7 @@ void hexagon::Assemble::ConstructJob(Compilation &C, const JobAction &JA, const InputInfoList &Inputs, const ArgList &Args, const char *LinkingOutput) const { + claimNoWarnArgs(Args); const Driver &D = getToolChain().getDriver(); ArgStringList CmdArgs; @@ -5057,7 +5174,7 @@ void hexagon::Assemble::ConstructJob(Compilation &C, const JobAction &JA, const char *GCCName = "hexagon-as"; const char *Exec = Args.MakeArgString(getToolChain().GetProgramPath(GCCName)); - C.addCommand(new Command(JA, *this, Exec, CmdArgs)); + C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs)); } void hexagon::Link::RenderExtraToolArgs(const JobAction &JA, @@ -5134,8 +5251,8 @@ void hexagon::Link::ConstructJob(Compilation &C, const JobAction &JA, const std::string MarchSuffix = "/" + MarchString; const std::string G0Suffix = "/G0"; const std::string MarchG0Suffix = MarchSuffix + G0Suffix; - const std::string RootDir = toolchains::Hexagon_TC::GetGnuDir(D.InstalledDir) - + "/"; + const std::string RootDir = + toolchains::Hexagon_TC::GetGnuDir(D.InstalledDir, Args) + "/"; const std::string StartFilesDir = RootDir + "hexagon/lib" + (buildingLib @@ -5223,7 +5340,8 @@ void hexagon::Link::ConstructJob(Compilation &C, const JobAction &JA, } std::string Linker = ToolChain.GetProgramPath("hexagon-ld"); - C.addCommand(new Command(JA, *this, Args.MakeArgString(Linker), CmdArgs)); + C.addCommand(llvm::make_unique<Command>(JA, *this, Args.MakeArgString(Linker), + CmdArgs)); } // Hexagon tools end. @@ -5288,12 +5406,12 @@ const char *arm::getLLVMArchSuffixForARM(StringRef CPU) { .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", "cortex-a9-mp", "v7") - .Cases("cortex-a9", "cortex-a12", "cortex-a15", "krait", "v7") + .Cases("cortex-a5", "cortex-a7", "cortex-a8", "v7") + .Cases("cortex-a9", "cortex-a12", "cortex-a15", "cortex-a17", "krait", "v7") .Cases("cortex-r4", "cortex-r5", "v7r") .Case("cortex-m0", "v6m") .Case("cortex-m3", "v7m") - .Case("cortex-m4", "v7em") + .Cases("cortex-m4", "cortex-m7", "v7em") .Case("swift", "v7s") .Case("cyclone", "v8") .Cases("cortex-a53", "cortex-a57", "v8") @@ -5305,6 +5423,11 @@ bool mips::hasMipsAbiArg(const ArgList &Args, const char *Value) { return A && (A->getValue() == StringRef(Value)); } +bool mips::isUCLibc(const ArgList &Args) { + Arg *A = Args.getLastArg(options::OPT_m_libc_Group); + return A && A->getOption().matches(options::OPT_muclibc); +} + bool mips::isNaN2008(const ArgList &Args, const llvm::Triple &Triple) { if (Arg *NaNArg = Args.getLastArg(options::OPT_mnan_EQ)) return llvm::StringSwitch<bool>(NaNArg->getValue()) @@ -5361,8 +5484,9 @@ llvm::Triple::ArchType darwin::getArchTypeForMachOArchName(StringRef Str) { .Cases("arm", "armv4t", "armv5", "armv6", "armv6m", llvm::Triple::arm) .Cases("armv7", "armv7em", "armv7k", "armv7m", llvm::Triple::arm) .Cases("armv7s", "xscale", llvm::Triple::arm) - .Case("arm64", llvm::Triple::arm64) + .Case("arm64", llvm::Triple::aarch64) .Case("r600", llvm::Triple::r600) + .Case("amdgcn", llvm::Triple::amdgcn) .Case("nvptx", llvm::Triple::nvptx) .Case("nvptx64", llvm::Triple::nvptx64) .Case("amdil", llvm::Triple::amdil) @@ -5479,7 +5603,7 @@ void darwin::Assemble::ConstructJob(Compilation &C, const JobAction &JA, const char *Exec = Args.MakeArgString(getToolChain().GetProgramPath("as")); - C.addCommand(new Command(JA, *this, Exec, CmdArgs)); + C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs)); } void darwin::MachOTool::anchor() {} @@ -5695,6 +5819,12 @@ void darwin::Link::ConstructJob(Compilation &C, const JobAction &JA, const char *LinkingOutput) const { assert(Output.getType() == types::TY_Image && "Invalid linker output type."); + // If the number of arguments surpasses the system limits, we will encode the + // input files in a separate file, shortening the command line. To this end, + // build a list of input file names that can be passed via a file with the + // -filelist linker option. + llvm::opt::ArgStringList InputFileList; + // The logic here is derived from gcc's behavior; most of which // comes from specs (starting with link_command). Consult gcc for // more information. @@ -5708,7 +5838,7 @@ void darwin::Link::ConstructJob(Compilation &C, const JobAction &JA, const char *Exec = Args.MakeArgString(getToolChain().GetProgramPath("touch")); CmdArgs.push_back(Output.getFilename()); - C.addCommand(new Command(JA, *this, Exec, CmdArgs)); + C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs)); return; } @@ -5763,7 +5893,23 @@ void darwin::Link::ConstructJob(Compilation &C, const JobAction &JA, } AddLinkerInputs(getToolChain(), Inputs, Args, CmdArgs); - + // Build the input file for -filelist (list of linker input files) in case we + // need it later + for (const auto &II : Inputs) { + if (!II.isFilename()) { + // This is a linker input argument. + // We cannot mix input arguments and file names in a -filelist input, thus + // we prematurely stop our list (remaining files shall be passed as + // arguments). + if (InputFileList.size() > 0) + break; + + continue; + } + + InputFileList.push_back(II.getFilename()); + } + if (isObjCRuntimeLinked(Args) && !Args.hasArg(options::OPT_nostdlib) && !Args.hasArg(options::OPT_nodefaultlibs)) { @@ -5806,7 +5952,10 @@ void darwin::Link::ConstructJob(Compilation &C, const JobAction &JA, const char *Exec = Args.MakeArgString(getToolChain().GetLinkerPath()); - C.addCommand(new Command(JA, *this, Exec, CmdArgs)); + std::unique_ptr<Command> Cmd = + llvm::make_unique<Command>(JA, *this, Exec, CmdArgs); + Cmd->setInputFileList(std::move(InputFileList)); + C.addCommand(std::move(Cmd)); } void darwin::Lipo::ConstructJob(Compilation &C, const JobAction &JA, @@ -5828,7 +5977,7 @@ void darwin::Lipo::ConstructJob(Compilation &C, const JobAction &JA, } const char *Exec = Args.MakeArgString(getToolChain().GetProgramPath("lipo")); - C.addCommand(new Command(JA, *this, Exec, CmdArgs)); + C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs)); } void darwin::Dsymutil::ConstructJob(Compilation &C, const JobAction &JA, @@ -5848,7 +5997,7 @@ void darwin::Dsymutil::ConstructJob(Compilation &C, const JobAction &JA, const char *Exec = Args.MakeArgString(getToolChain().GetProgramPath("dsymutil")); - C.addCommand(new Command(JA, *this, Exec, CmdArgs)); + C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs)); } void darwin::VerifyDebug::ConstructJob(Compilation &C, const JobAction &JA, @@ -5871,7 +6020,7 @@ void darwin::VerifyDebug::ConstructJob(Compilation &C, const JobAction &JA, const char *Exec = Args.MakeArgString(getToolChain().GetProgramPath("dwarfdump")); - C.addCommand(new Command(JA, *this, Exec, CmdArgs)); + C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs)); } void solaris::Assemble::ConstructJob(Compilation &C, const JobAction &JA, @@ -5879,6 +6028,7 @@ void solaris::Assemble::ConstructJob(Compilation &C, const JobAction &JA, const InputInfoList &Inputs, const ArgList &Args, const char *LinkingOutput) const { + claimNoWarnArgs(Args); ArgStringList CmdArgs; Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA, @@ -5891,7 +6041,7 @@ void solaris::Assemble::ConstructJob(Compilation &C, const JobAction &JA, CmdArgs.push_back(II.getFilename()); const char *Exec = Args.MakeArgString(getToolChain().GetProgramPath("as")); - C.addCommand(new Command(JA, *this, Exec, CmdArgs)); + C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs)); } void solaris::Link::ConstructJob(Compilation &C, const JobAction &JA, @@ -5996,115 +6146,7 @@ void solaris::Link::ConstructJob(Compilation &C, const JobAction &JA, const char *Exec = Args.MakeArgString(getToolChain().GetLinkerPath()); - C.addCommand(new Command(JA, *this, Exec, CmdArgs)); -} - -void auroraux::Assemble::ConstructJob(Compilation &C, const JobAction &JA, - const InputInfo &Output, - const InputInfoList &Inputs, - const ArgList &Args, - const char *LinkingOutput) const { - ArgStringList CmdArgs; - - Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA, - options::OPT_Xassembler); - - CmdArgs.push_back("-o"); - CmdArgs.push_back(Output.getFilename()); - - for (const auto &II : Inputs) - CmdArgs.push_back(II.getFilename()); - - const char *Exec = Args.MakeArgString(getToolChain().GetProgramPath("gas")); - C.addCommand(new Command(JA, *this, Exec, CmdArgs)); -} - -void auroraux::Link::ConstructJob(Compilation &C, const JobAction &JA, - const InputInfo &Output, - const InputInfoList &Inputs, - const ArgList &Args, - const char *LinkingOutput) const { - ArgStringList CmdArgs; - - if ((!Args.hasArg(options::OPT_nostdlib)) && - (!Args.hasArg(options::OPT_shared))) { - CmdArgs.push_back("-e"); - CmdArgs.push_back("_start"); - } - - if (Args.hasArg(options::OPT_static)) { - CmdArgs.push_back("-Bstatic"); - CmdArgs.push_back("-dn"); - } else { -// CmdArgs.push_back("--eh-frame-hdr"); - CmdArgs.push_back("-Bdynamic"); - if (Args.hasArg(options::OPT_shared)) { - CmdArgs.push_back("-shared"); - } else { - CmdArgs.push_back("--dynamic-linker"); - CmdArgs.push_back("/lib/ld.so.1"); // 64Bit Path /lib/amd64/ld.so.1 - } - } - - if (Output.isFilename()) { - CmdArgs.push_back("-o"); - CmdArgs.push_back(Output.getFilename()); - } else { - assert(Output.isNothing() && "Invalid output."); - } - - if (!Args.hasArg(options::OPT_nostdlib) && - !Args.hasArg(options::OPT_nostartfiles)) { - if (!Args.hasArg(options::OPT_shared)) { - CmdArgs.push_back(Args.MakeArgString( - getToolChain().GetFilePath("crt1.o"))); - CmdArgs.push_back(Args.MakeArgString( - getToolChain().GetFilePath("crti.o"))); - CmdArgs.push_back(Args.MakeArgString( - getToolChain().GetFilePath("crtbegin.o"))); - } else { - CmdArgs.push_back(Args.MakeArgString( - getToolChain().GetFilePath("crti.o"))); - } - CmdArgs.push_back(Args.MakeArgString( - getToolChain().GetFilePath("crtn.o"))); - } - - CmdArgs.push_back(Args.MakeArgString("-L/opt/gcc4/lib/gcc/" - + getToolChain().getTripleString() - + "/4.2.4")); - - Args.AddAllArgs(CmdArgs, options::OPT_L); - Args.AddAllArgs(CmdArgs, options::OPT_T_Group); - Args.AddAllArgs(CmdArgs, options::OPT_e); - - AddLinkerInputs(getToolChain(), Inputs, Args, CmdArgs); - - if (!Args.hasArg(options::OPT_nostdlib) && - !Args.hasArg(options::OPT_nodefaultlibs)) { - // FIXME: For some reason GCC passes -lgcc before adding - // the default system libraries. Just mimic this for now. - CmdArgs.push_back("-lgcc"); - - if (Args.hasArg(options::OPT_pthread)) - CmdArgs.push_back("-pthread"); - if (!Args.hasArg(options::OPT_shared)) - CmdArgs.push_back("-lc"); - CmdArgs.push_back("-lgcc"); - } - - if (!Args.hasArg(options::OPT_nostdlib) && - !Args.hasArg(options::OPT_nostartfiles)) { - if (!Args.hasArg(options::OPT_shared)) - CmdArgs.push_back(Args.MakeArgString( - getToolChain().GetFilePath("crtend.o"))); - } - - addProfileRT(getToolChain(), Args, CmdArgs); - - const char *Exec = - Args.MakeArgString(getToolChain().GetLinkerPath()); - C.addCommand(new Command(JA, *this, Exec, CmdArgs)); + C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs)); } void openbsd::Assemble::ConstructJob(Compilation &C, const JobAction &JA, @@ -6112,6 +6154,7 @@ void openbsd::Assemble::ConstructJob(Compilation &C, const JobAction &JA, const InputInfoList &Inputs, const ArgList &Args, const char *LinkingOutput) const { + claimNoWarnArgs(Args); ArgStringList CmdArgs; bool NeedsKPIC = false; @@ -6174,7 +6217,7 @@ void openbsd::Assemble::ConstructJob(Compilation &C, const JobAction &JA, const char *Exec = Args.MakeArgString(getToolChain().GetProgramPath("as")); - C.addCommand(new Command(JA, *this, Exec, CmdArgs)); + C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs)); } void openbsd::Link::ConstructJob(Compilation &C, const JobAction &JA, @@ -6306,7 +6349,7 @@ void openbsd::Link::ConstructJob(Compilation &C, const JobAction &JA, const char *Exec = Args.MakeArgString(getToolChain().GetLinkerPath()); - C.addCommand(new Command(JA, *this, Exec, CmdArgs)); + C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs)); } void bitrig::Assemble::ConstructJob(Compilation &C, const JobAction &JA, @@ -6314,6 +6357,7 @@ void bitrig::Assemble::ConstructJob(Compilation &C, const JobAction &JA, const InputInfoList &Inputs, const ArgList &Args, const char *LinkingOutput) const { + claimNoWarnArgs(Args); ArgStringList CmdArgs; Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA, @@ -6326,7 +6370,7 @@ void bitrig::Assemble::ConstructJob(Compilation &C, const JobAction &JA, CmdArgs.push_back(II.getFilename()); const char *Exec = Args.MakeArgString(getToolChain().GetProgramPath("as")); - C.addCommand(new Command(JA, *this, Exec, CmdArgs)); + C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs)); } void bitrig::Link::ConstructJob(Compilation &C, const JobAction &JA, @@ -6442,7 +6486,7 @@ void bitrig::Link::ConstructJob(Compilation &C, const JobAction &JA, const char *Exec = Args.MakeArgString(getToolChain().GetLinkerPath()); - C.addCommand(new Command(JA, *this, Exec, CmdArgs)); + C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs)); } void freebsd::Assemble::ConstructJob(Compilation &C, const JobAction &JA, @@ -6450,6 +6494,7 @@ void freebsd::Assemble::ConstructJob(Compilation &C, const JobAction &JA, const InputInfoList &Inputs, const ArgList &Args, const char *LinkingOutput) const { + claimNoWarnArgs(Args); ArgStringList CmdArgs; // When building 32-bit code on FreeBSD/amd64, we have to explicitly @@ -6523,7 +6568,7 @@ void freebsd::Assemble::ConstructJob(Compilation &C, const JobAction &JA, CmdArgs.push_back(II.getFilename()); const char *Exec = Args.MakeArgString(getToolChain().GetProgramPath("as")); - C.addCommand(new Command(JA, *this, Exec, CmdArgs)); + C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs)); } void freebsd::Link::ConstructJob(Compilation &C, const JobAction &JA, @@ -6622,7 +6667,7 @@ void freebsd::Link::ConstructJob(Compilation &C, const JobAction &JA, } Args.AddAllArgs(CmdArgs, options::OPT_L); - const ToolChain::path_list Paths = ToolChain.getFilePaths(); + const ToolChain::path_list &Paths = ToolChain.getFilePaths(); for (const auto &Path : Paths) CmdArgs.push_back(Args.MakeArgString(StringRef("-L") + Path)); Args.AddAllArgs(CmdArgs, options::OPT_T_Group); @@ -6635,6 +6680,7 @@ void freebsd::Link::ConstructJob(Compilation &C, const JobAction &JA, if (D.IsUsingLTO(Args)) AddGoldPlugin(ToolChain, Args, CmdArgs); + bool NeedsSanitizerDeps = addSanitizerRuntimes(ToolChain, Args, CmdArgs); AddLinkerInputs(ToolChain, Inputs, Args, CmdArgs); if (!Args.hasArg(options::OPT_nostdlib) && @@ -6646,6 +6692,8 @@ void freebsd::Link::ConstructJob(Compilation &C, const JobAction &JA, else CmdArgs.push_back("-lm"); } + if (NeedsSanitizerDeps) + linkSanitizerRuntimeDeps(ToolChain, CmdArgs); // FIXME: For some reason GCC passes -lgcc and -lgcc_s before adding // the default system libraries. Just mimic this for now. if (Args.hasArg(options::OPT_pg)) @@ -6700,13 +6748,11 @@ void freebsd::Link::ConstructJob(Compilation &C, const JobAction &JA, CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("crtn.o"))); } - addSanitizerRuntimes(getToolChain(), Args, CmdArgs); - addProfileRT(ToolChain, Args, CmdArgs); const char *Exec = Args.MakeArgString(getToolChain().GetLinkerPath()); - C.addCommand(new Command(JA, *this, Exec, CmdArgs)); + C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs)); } void netbsd::Assemble::ConstructJob(Compilation &C, const JobAction &JA, @@ -6714,6 +6760,7 @@ void netbsd::Assemble::ConstructJob(Compilation &C, const JobAction &JA, const InputInfoList &Inputs, const ArgList &Args, const char *LinkingOutput) const { + claimNoWarnArgs(Args); ArgStringList CmdArgs; // GNU as needs different flags for creating the correct output format @@ -6780,7 +6827,7 @@ void netbsd::Assemble::ConstructJob(Compilation &C, const JobAction &JA, CmdArgs.push_back(II.getFilename()); const char *Exec = Args.MakeArgString((getToolChain().GetProgramPath("as"))); - C.addCommand(new Command(JA, *this, Exec, CmdArgs)); + C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs)); } void netbsd::Link::ConstructJob(Compilation &C, const JobAction &JA, @@ -6816,9 +6863,7 @@ void netbsd::Link::ConstructJob(Compilation &C, const JobAction &JA, CmdArgs.push_back("elf_i386"); break; case llvm::Triple::arm: - case llvm::Triple::armeb: case llvm::Triple::thumb: - case llvm::Triple::thumbeb: CmdArgs.push_back("-m"); switch (getToolChain().getTriple().getEnvironment()) { case llvm::Triple::EABI: @@ -6834,6 +6879,23 @@ void netbsd::Link::ConstructJob(Compilation &C, const JobAction &JA, break; } break; + case llvm::Triple::armeb: + case llvm::Triple::thumbeb: + CmdArgs.push_back("-m"); + switch (getToolChain().getTriple().getEnvironment()) { + case llvm::Triple::EABI: + case llvm::Triple::GNUEABI: + CmdArgs.push_back("armelfb_nbsd_eabi"); + break; + case llvm::Triple::EABIHF: + case llvm::Triple::GNUEABIHF: + CmdArgs.push_back("armelfb_nbsd_eabihf"); + break; + default: + CmdArgs.push_back("armelfb_nbsd"); + break; + } + break; case llvm::Triple::mips64: case llvm::Triple::mips64el: if (mips::hasMipsAbiArg(Args, "32")) { @@ -6850,6 +6912,16 @@ void netbsd::Link::ConstructJob(Compilation &C, const JobAction &JA, CmdArgs.push_back("elf64ltsmip"); } break; + case llvm::Triple::ppc: + CmdArgs.push_back("-m"); + CmdArgs.push_back("elf32ppc_nbsd"); + break; + + case llvm::Triple::ppc64: + case llvm::Triple::ppc64le: + CmdArgs.push_back("-m"); + CmdArgs.push_back("elf64ppc"); + break; case llvm::Triple::sparc: CmdArgs.push_back("-m"); @@ -6902,12 +6974,16 @@ void netbsd::Link::ConstructJob(Compilation &C, const JobAction &JA, unsigned Major, Minor, Micro; getToolChain().getTriple().getOSVersion(Major, Minor, Micro); bool useLibgcc = true; - if (Major >= 7 || (Major == 6 && Minor == 99 && Micro >= 40) || Major == 0) { + if (Major >= 7 || (Major == 6 && Minor == 99 && Micro >= 49) || Major == 0) { switch(getToolChain().getArch()) { + case llvm::Triple::aarch64: case llvm::Triple::arm: case llvm::Triple::armeb: case llvm::Triple::thumb: case llvm::Triple::thumbeb: + case llvm::Triple::ppc: + case llvm::Triple::ppc64: + case llvm::Triple::ppc64le: case llvm::Triple::x86: case llvm::Triple::x86_64: useLibgcc = false; @@ -6959,7 +7035,7 @@ void netbsd::Link::ConstructJob(Compilation &C, const JobAction &JA, addProfileRT(getToolChain(), Args, CmdArgs); const char *Exec = Args.MakeArgString(getToolChain().GetLinkerPath()); - C.addCommand(new Command(JA, *this, Exec, CmdArgs)); + C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs)); } void gnutools::Assemble::ConstructJob(Compilation &C, const JobAction &JA, @@ -6967,6 +7043,8 @@ void gnutools::Assemble::ConstructJob(Compilation &C, const JobAction &JA, const InputInfoList &Inputs, const ArgList &Args, const char *LinkingOutput) const { + claimNoWarnArgs(Args); + ArgStringList CmdArgs; bool NeedsKPIC = false; @@ -7132,7 +7210,7 @@ void gnutools::Assemble::ConstructJob(Compilation &C, const JobAction &JA, CmdArgs.push_back(II.getFilename()); const char *Exec = Args.MakeArgString(getToolChain().GetProgramPath("as")); - C.addCommand(new Command(JA, *this, Exec, CmdArgs)); + C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs)); // Handle the debug info splitting at object creation time if we're // creating an object. @@ -7176,8 +7254,8 @@ static void AddLibgcc(const llvm::Triple &Triple, const Driver &D, CmdArgs.push_back("-ldl"); } -static StringRef getLinuxDynamicLinker(const ArgList &Args, - const toolchains::Linux &ToolChain) { +static std::string getLinuxDynamicLinker(const ArgList &Args, + const toolchains::Linux &ToolChain) { if (ToolChain.getTriple().getEnvironment() == llvm::Triple::Android) { if (ToolChain.getTriple().isArch64Bit()) return "/system/bin/linker64"; @@ -7186,11 +7264,9 @@ static StringRef getLinuxDynamicLinker(const ArgList &Args, } else if (ToolChain.getArch() == llvm::Triple::x86 || ToolChain.getArch() == llvm::Triple::sparc) return "/lib/ld-linux.so.2"; - else if (ToolChain.getArch() == llvm::Triple::aarch64 || - ToolChain.getArch() == llvm::Triple::arm64) + else if (ToolChain.getArch() == llvm::Triple::aarch64) return "/lib/ld-linux-aarch64.so.1"; - else if (ToolChain.getArch() == llvm::Triple::aarch64_be || - ToolChain.getArch() == llvm::Triple::arm64_be) + else if (ToolChain.getArch() == llvm::Triple::aarch64_be) return "/lib/ld-linux-aarch64_be.so.1"; else if (ToolChain.getArch() == llvm::Triple::arm || ToolChain.getArch() == llvm::Triple::thumb) { @@ -7205,24 +7281,38 @@ static StringRef getLinuxDynamicLinker(const ArgList &Args, else return "/lib/ld-linux.so.3"; /* TODO: check which dynamic linker name. */ } else if (ToolChain.getArch() == llvm::Triple::mips || - ToolChain.getArch() == llvm::Triple::mipsel) { - if (mips::isNaN2008(Args, ToolChain.getTriple())) - return "/lib/ld-linux-mipsn8.so.1"; - return "/lib/ld.so.1"; - } else if (ToolChain.getArch() == llvm::Triple::mips64 || + ToolChain.getArch() == llvm::Triple::mipsel || + ToolChain.getArch() == llvm::Triple::mips64 || ToolChain.getArch() == llvm::Triple::mips64el) { - if (mips::hasMipsAbiArg(Args, "n32")) - return mips::isNaN2008(Args, ToolChain.getTriple()) - ? "/lib32/ld-linux-mipsn8.so.1" : "/lib32/ld.so.1"; - return mips::isNaN2008(Args, ToolChain.getTriple()) - ? "/lib64/ld-linux-mipsn8.so.1" : "/lib64/ld.so.1"; + StringRef CPUName; + StringRef ABIName; + mips::getMipsCPUAndABI(Args, ToolChain.getTriple(), CPUName, ABIName); + bool IsNaN2008 = mips::isNaN2008(Args, ToolChain.getTriple()); + + StringRef LibDir = llvm::StringSwitch<llvm::StringRef>(ABIName) + .Case("o32", "/lib") + .Case("n32", "/lib32") + .Case("n64", "/lib64") + .Default("/lib"); + StringRef LibName; + if (mips::isUCLibc(Args)) + LibName = IsNaN2008 ? "ld-uClibc-mipsn8.so.0" : "ld-uClibc.so.0"; + else + LibName = IsNaN2008 ? "ld-linux-mipsn8.so.1" : "ld.so.1"; + + return (LibDir + "/" + LibName).str(); } else if (ToolChain.getArch() == llvm::Triple::ppc) return "/lib/ld.so.1"; - else if (ToolChain.getArch() == llvm::Triple::ppc64 || - ToolChain.getArch() == llvm::Triple::systemz) + else if (ToolChain.getArch() == llvm::Triple::ppc64) { + if (ppc::hasPPCAbiArg(Args, "elfv2")) + return "/lib64/ld64.so.2"; return "/lib64/ld64.so.1"; - else if (ToolChain.getArch() == llvm::Triple::ppc64le) + } else if (ToolChain.getArch() == llvm::Triple::ppc64le) { + if (ppc::hasPPCAbiArg(Args, "elfv1")) + return "/lib64/ld64.so.1"; return "/lib64/ld64.so.2"; + } else if (ToolChain.getArch() == llvm::Triple::systemz) + return "/lib64/ld64.so.1"; else if (ToolChain.getArch() == llvm::Triple::sparcv9) return "/lib64/ld-linux.so.2"; else if (ToolChain.getArch() == llvm::Triple::x86_64 && @@ -7233,13 +7323,19 @@ static StringRef getLinuxDynamicLinker(const ArgList &Args, } static void AddRunTimeLibs(const ToolChain &TC, const Driver &D, - ArgStringList &CmdArgs, const ArgList &Args) { + ArgStringList &CmdArgs, const ArgList &Args) { // Make use of compiler-rt if --rtlib option is used ToolChain::RuntimeLibType RLT = TC.GetRuntimeLibType(Args); - switch(RLT) { + switch (RLT) { case ToolChain::RLT_CompilerRT: - addClangRTLinux(TC, Args, CmdArgs); + switch (TC.getTriple().getOS()) { + default: llvm_unreachable("unsupported OS"); + case llvm::Triple::Win32: + case llvm::Triple::Linux: + addClangRT(TC, Args, CmdArgs); + break; + } break; case ToolChain::RLT_Libgcc: AddLibgcc(TC.getTriple(), D, CmdArgs, Args); @@ -7247,6 +7343,53 @@ static void AddRunTimeLibs(const ToolChain &TC, const Driver &D, } } +static const char *getLDMOption(const llvm::Triple &T, const ArgList &Args) { + switch (T.getArch()) { + case llvm::Triple::x86: + return "elf_i386"; + case llvm::Triple::aarch64: + return "aarch64linux"; + case llvm::Triple::aarch64_be: + return "aarch64_be_linux"; + case llvm::Triple::arm: + case llvm::Triple::thumb: + return "armelf_linux_eabi"; + case llvm::Triple::armeb: + case llvm::Triple::thumbeb: + return "armebelf_linux_eabi"; /* TODO: check which NAME. */ + case llvm::Triple::ppc: + return "elf32ppclinux"; + case llvm::Triple::ppc64: + return "elf64ppc"; + case llvm::Triple::ppc64le: + return "elf64lppc"; + case llvm::Triple::sparc: + return "elf32_sparc"; + case llvm::Triple::sparcv9: + return "elf64_sparc"; + case llvm::Triple::mips: + return "elf32btsmip"; + case llvm::Triple::mipsel: + return "elf32ltsmip"; + case llvm::Triple::mips64: + if (mips::hasMipsAbiArg(Args, "n32")) + return "elf32btsmipn32"; + return "elf64btsmip"; + case llvm::Triple::mips64el: + if (mips::hasMipsAbiArg(Args, "n32")) + return "elf32ltsmipn32"; + return "elf64ltsmip"; + case llvm::Triple::systemz: + return "elf64_s390"; + case llvm::Triple::x86_64: + if (T.getEnvironment() == llvm::Triple::GNUX32) + return "elf32_x86_64"; + return "elf_x86_64"; + default: + llvm_unreachable("Unexpected arch"); + } +} + void gnutools::Link::ConstructJob(Compilation &C, const JobAction &JA, const InputInfo &Output, const InputInfoList &Inputs, @@ -7296,53 +7439,7 @@ void gnutools::Link::ConstructJob(Compilation &C, const JobAction &JA, } CmdArgs.push_back("-m"); - if (ToolChain.getArch() == llvm::Triple::x86) - CmdArgs.push_back("elf_i386"); - else if (ToolChain.getArch() == llvm::Triple::aarch64 || - ToolChain.getArch() == llvm::Triple::arm64) - CmdArgs.push_back("aarch64linux"); - else if (ToolChain.getArch() == llvm::Triple::aarch64_be || - ToolChain.getArch() == llvm::Triple::arm64_be) - CmdArgs.push_back("aarch64_be_linux"); - else if (ToolChain.getArch() == llvm::Triple::arm - || ToolChain.getArch() == llvm::Triple::thumb) - CmdArgs.push_back("armelf_linux_eabi"); - else if (ToolChain.getArch() == llvm::Triple::armeb - || ToolChain.getArch() == llvm::Triple::thumbeb) - CmdArgs.push_back("armebelf_linux_eabi"); /* TODO: check which NAME. */ - else if (ToolChain.getArch() == llvm::Triple::ppc) - CmdArgs.push_back("elf32ppclinux"); - else if (ToolChain.getArch() == llvm::Triple::ppc64) - CmdArgs.push_back("elf64ppc"); - else if (ToolChain.getArch() == llvm::Triple::ppc64le) - CmdArgs.push_back("elf64lppc"); - else if (ToolChain.getArch() == llvm::Triple::sparc) - CmdArgs.push_back("elf32_sparc"); - else if (ToolChain.getArch() == llvm::Triple::sparcv9) - CmdArgs.push_back("elf64_sparc"); - else if (ToolChain.getArch() == llvm::Triple::mips) - CmdArgs.push_back("elf32btsmip"); - else if (ToolChain.getArch() == llvm::Triple::mipsel) - CmdArgs.push_back("elf32ltsmip"); - else if (ToolChain.getArch() == llvm::Triple::mips64) { - if (mips::hasMipsAbiArg(Args, "n32")) - CmdArgs.push_back("elf32btsmipn32"); - else - CmdArgs.push_back("elf64btsmip"); - } - else if (ToolChain.getArch() == llvm::Triple::mips64el) { - if (mips::hasMipsAbiArg(Args, "n32")) - CmdArgs.push_back("elf32ltsmipn32"); - else - CmdArgs.push_back("elf64ltsmip"); - } - else if (ToolChain.getArch() == llvm::Triple::systemz) - CmdArgs.push_back("elf64_s390"); - else if (ToolChain.getArch() == llvm::Triple::x86_64 && - ToolChain.getTriple().getEnvironment() == llvm::Triple::GNUX32) - CmdArgs.push_back("elf32_x86_64"); - else - CmdArgs.push_back("elf_x86_64"); + CmdArgs.push_back(getLDMOption(ToolChain.getTriple(), Args)); if (Args.hasArg(options::OPT_static)) { if (ToolChain.getArch() == llvm::Triple::arm || @@ -7406,7 +7503,7 @@ void gnutools::Link::ConstructJob(Compilation &C, const JobAction &JA, Args.AddAllArgs(CmdArgs, options::OPT_L); Args.AddAllArgs(CmdArgs, options::OPT_u); - const ToolChain::path_list Paths = ToolChain.getFilePaths(); + const ToolChain::path_list &Paths = ToolChain.getFilePaths(); for (const auto &Path : Paths) CmdArgs.push_back(Args.MakeArgString(StringRef("-L") + Path)); @@ -7417,9 +7514,8 @@ void gnutools::Link::ConstructJob(Compilation &C, const JobAction &JA, if (Args.hasArg(options::OPT_Z_Xlinker__no_demangle)) CmdArgs.push_back("--no-demangle"); + bool NeedsSanitizerDeps = addSanitizerRuntimes(ToolChain, Args, CmdArgs); AddLinkerInputs(ToolChain, Inputs, Args, CmdArgs); - - addSanitizerRuntimes(getToolChain(), Args, CmdArgs); // The profile runtime also needs access to system libraries. addProfileRT(getToolChain(), Args, CmdArgs); @@ -7441,6 +7537,9 @@ void gnutools::Link::ConstructJob(Compilation &C, const JobAction &JA, if (Args.hasArg(options::OPT_static)) CmdArgs.push_back("--start-group"); + if (NeedsSanitizerDeps) + linkSanitizerRuntimeDeps(ToolChain, CmdArgs); + LibOpenMP UsedOpenMPLib = LibUnknown; if (Args.hasArg(options::OPT_fopenmp)) { UsedOpenMPLib = LibGOMP; @@ -7497,7 +7596,8 @@ void gnutools::Link::ConstructJob(Compilation &C, const JobAction &JA, } } - C.addCommand(new Command(JA, *this, ToolChain.Linker.c_str(), CmdArgs)); + C.addCommand( + llvm::make_unique<Command>(JA, *this, ToolChain.Linker.c_str(), CmdArgs)); } void minix::Assemble::ConstructJob(Compilation &C, const JobAction &JA, @@ -7505,6 +7605,7 @@ void minix::Assemble::ConstructJob(Compilation &C, const JobAction &JA, const InputInfoList &Inputs, const ArgList &Args, const char *LinkingOutput) const { + claimNoWarnArgs(Args); ArgStringList CmdArgs; Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA, options::OPT_Xassembler); @@ -7516,7 +7617,7 @@ void minix::Assemble::ConstructJob(Compilation &C, const JobAction &JA, CmdArgs.push_back(II.getFilename()); const char *Exec = Args.MakeArgString(getToolChain().GetProgramPath("as")); - C.addCommand(new Command(JA, *this, Exec, CmdArgs)); + C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs)); } void minix::Link::ConstructJob(Compilation &C, const JobAction &JA, @@ -7570,7 +7671,7 @@ void minix::Link::ConstructJob(Compilation &C, const JobAction &JA, } const char *Exec = Args.MakeArgString(getToolChain().GetLinkerPath()); - C.addCommand(new Command(JA, *this, Exec, CmdArgs)); + C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs)); } /// DragonFly Tools @@ -7582,6 +7683,7 @@ void dragonfly::Assemble::ConstructJob(Compilation &C, const JobAction &JA, const InputInfoList &Inputs, const ArgList &Args, const char *LinkingOutput) const { + claimNoWarnArgs(Args); ArgStringList CmdArgs; // When building 32-bit code on DragonFly/pc64, we have to explicitly @@ -7598,7 +7700,7 @@ void dragonfly::Assemble::ConstructJob(Compilation &C, const JobAction &JA, CmdArgs.push_back(II.getFilename()); const char *Exec = Args.MakeArgString(getToolChain().GetProgramPath("as")); - C.addCommand(new Command(JA, *this, Exec, CmdArgs)); + C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs)); } void dragonfly::Link::ConstructJob(Compilation &C, const JobAction &JA, @@ -7606,12 +7708,9 @@ void dragonfly::Link::ConstructJob(Compilation &C, const JobAction &JA, const InputInfoList &Inputs, const ArgList &Args, const char *LinkingOutput) const { - bool UseGCC47 = false; const Driver &D = getToolChain().getDriver(); ArgStringList CmdArgs; - - if (llvm::sys::fs::exists("/usr/lib/gcc47", UseGCC47)) - UseGCC47 = false; + bool UseGCC47 = llvm::sys::fs::exists("/usr/lib/gcc47"); if (!D.SysRoot.empty()) CmdArgs.push_back(Args.MakeArgString("--sysroot=" + D.SysRoot)); @@ -7748,16 +7847,27 @@ void dragonfly::Link::ConstructJob(Compilation &C, const JobAction &JA, addProfileRT(getToolChain(), Args, CmdArgs); const char *Exec = Args.MakeArgString(getToolChain().GetLinkerPath()); - C.addCommand(new Command(JA, *this, Exec, CmdArgs)); -} + C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs)); +} + +// Try to find Exe from a Visual Studio distribution. This first tries to find +// an installed copy of Visual Studio and, failing that, looks in the PATH, +// making sure that whatever executable that's found is not a same-named exe +// from clang itself to prevent clang from falling back to itself. +static std::string FindVisualStudioExecutable(const ToolChain &TC, + const char *Exe, + const char *ClangProgramPath) { + const auto &MSVC = static_cast<const toolchains::MSVCToolChain &>(TC); + std::string visualStudioBinDir; + if (MSVC.getVisualStudioBinariesFolder(ClangProgramPath, + visualStudioBinDir)) { + SmallString<128> FilePath(visualStudioBinDir); + llvm::sys::path::append(FilePath, Exe); + if (llvm::sys::fs::can_execute(FilePath.c_str())) + return FilePath.str(); + } -static void addSanitizerRTWindows(const ToolChain &TC, const ArgList &Args, - ArgStringList &CmdArgs, - const StringRef RTName) { - SmallString<128> LibSanitizer(getCompilerRTLibDir(TC)); - llvm::sys::path::append(LibSanitizer, - Twine("clang_rt.") + RTName + ".lib"); - CmdArgs.push_back(Args.MakeArgString(LibSanitizer)); + return Exe; } void visualstudio::Link::ConstructJob(Compilation &C, const JobAction &JA, @@ -7766,28 +7876,56 @@ void visualstudio::Link::ConstructJob(Compilation &C, const JobAction &JA, const ArgList &Args, const char *LinkingOutput) const { ArgStringList CmdArgs; + const ToolChain &TC = getToolChain(); - if (Output.isFilename()) { + assert((Output.isFilename() || Output.isNothing()) && "invalid output"); + if (Output.isFilename()) CmdArgs.push_back(Args.MakeArgString(std::string("-out:") + Output.getFilename())); - } else { - assert(Output.isNothing() && "Invalid output."); - } if (!Args.hasArg(options::OPT_nostdlib) && - !Args.hasArg(options::OPT_nostartfiles) && - !C.getDriver().IsCLMode()) { + !Args.hasArg(options::OPT_nostartfiles) && !C.getDriver().IsCLMode()) CmdArgs.push_back("-defaultlib:libcmt"); + + if (!llvm::sys::Process::GetEnv("LIB")) { + // If the VC environment hasn't been configured (perhaps because the user + // did not run vcvarsall), try to build a consistent link environment. If + // the environment variable is set however, assume the user knows what he's + // doing. + std::string VisualStudioDir; + const auto &MSVC = static_cast<const toolchains::MSVCToolChain &>(TC); + if (MSVC.getVisualStudioInstallDir(VisualStudioDir)) { + SmallString<128> LibDir(VisualStudioDir); + llvm::sys::path::append(LibDir, "VC", "lib"); + switch (MSVC.getArch()) { + case llvm::Triple::x86: + // x86 just puts the libraries directly in lib + break; + case llvm::Triple::x86_64: + llvm::sys::path::append(LibDir, "amd64"); + break; + case llvm::Triple::arm: + llvm::sys::path::append(LibDir, "arm"); + break; + default: + break; + } + CmdArgs.push_back( + Args.MakeArgString(std::string("-libpath:") + LibDir.c_str())); + } + + std::string WindowsSdkLibPath; + if (MSVC.getWindowsSDKLibraryPath(WindowsSdkLibPath)) + CmdArgs.push_back(Args.MakeArgString(std::string("-libpath:") + + WindowsSdkLibPath.c_str())); } CmdArgs.push_back("-nologo"); - if (Args.hasArg(options::OPT_g_Group)) { + if (Args.hasArg(options::OPT_g_Group)) CmdArgs.push_back("-debug"); - } bool DLL = Args.hasArg(options::OPT__SLASH_LD, options::OPT__SLASH_LDd); - if (DLL) { CmdArgs.push_back(Args.MakeArgString("-dll")); @@ -7797,32 +7935,81 @@ void visualstudio::Link::ConstructJob(Compilation &C, const JobAction &JA, ImplibName.str())); } - if (getToolChain().getSanitizerArgs().needsAsanRt()) { + if (TC.getSanitizerArgs().needsAsanRt()) { CmdArgs.push_back(Args.MakeArgString("-debug")); CmdArgs.push_back(Args.MakeArgString("-incremental:no")); - // FIXME: Handle 64-bit. - if (DLL) { - addSanitizerRTWindows(getToolChain(), Args, CmdArgs, - "asan_dll_thunk-i386"); + if (Args.hasArg(options::OPT__SLASH_MD, options::OPT__SLASH_MDd)) { + static const char *CompilerRTComponents[] = { + "asan_dynamic", + "asan_dynamic_runtime_thunk", + }; + for (const auto &Component : CompilerRTComponents) + CmdArgs.push_back(Args.MakeArgString(getCompilerRT(TC, Component))); + // Make sure the dynamic runtime thunk is not optimized out at link time + // to ensure proper SEH handling. + CmdArgs.push_back(Args.MakeArgString("-include:___asan_seh_interceptor")); + } else if (DLL) { + CmdArgs.push_back(Args.MakeArgString(getCompilerRT(TC, "asan_dll_thunk"))); } else { - addSanitizerRTWindows(getToolChain(), Args, CmdArgs, "asan-i386"); - addSanitizerRTWindows(getToolChain(), Args, CmdArgs, "asan_cxx-i386"); + static const char *CompilerRTComponents[] = { + "asan", + "asan_cxx", + }; + for (const auto &Component : CompilerRTComponents) + CmdArgs.push_back(Args.MakeArgString(getCompilerRT(TC, Component))); } } - Args.AddAllArgValues(CmdArgs, options::OPT_l); Args.AddAllArgValues(CmdArgs, options::OPT__SLASH_link); - // Add filenames immediately. - for (const auto &Input : Inputs) - if (Input.isFilename()) + // Add filenames, libraries, and other linker inputs. + for (const auto &Input : Inputs) { + if (Input.isFilename()) { CmdArgs.push_back(Input.getFilename()); - else - Input.getInputArg().renderAsInput(Args, CmdArgs); + continue; + } - const char *Exec = - Args.MakeArgString(getToolChain().GetProgramPath("link.exe")); - C.addCommand(new Command(JA, *this, Exec, CmdArgs)); + const Arg &A = Input.getInputArg(); + + // Render -l options differently for the MSVC linker. + if (A.getOption().matches(options::OPT_l)) { + StringRef Lib = A.getValue(); + const char *LinkLibArg; + if (Lib.endswith(".lib")) + LinkLibArg = Args.MakeArgString(Lib); + else + LinkLibArg = Args.MakeArgString(Lib + ".lib"); + CmdArgs.push_back(LinkLibArg); + continue; + } + + // Otherwise, this is some other kind of linker input option like -Wl, -z, + // or -L. Render it, even if MSVC doesn't understand it. + A.renderAsInput(Args, CmdArgs); + } + + // We need to special case some linker paths. In the case of lld, we need to + // translate 'lld' into 'lld-link', and in the case of the regular msvc + // linker, we need to use a special search algorithm. + llvm::SmallString<128> linkPath; + StringRef Linker = Args.getLastArgValue(options::OPT_fuse_ld_EQ, "link"); + if (Linker.equals_lower("lld")) + Linker = "lld-link"; + + if (Linker.equals_lower("link")) { + // If we're using the MSVC linker, it's not sufficient to just use link + // from the program PATH, because other environments like GnuWin32 install + // their own link.exe which may come first. + linkPath = FindVisualStudioExecutable(TC, "link.exe", + C.getDriver().getClangProgramPath()); + } else { + linkPath = Linker; + llvm::sys::path::replace_extension(linkPath, "exe"); + linkPath = TC.GetProgramPath(linkPath.c_str()); + } + + const char *Exec = Args.MakeArgString(linkPath); + C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs)); } void visualstudio::Compile::ConstructJob(Compilation &C, const JobAction &JA, @@ -7833,40 +8020,10 @@ void visualstudio::Compile::ConstructJob(Compilation &C, const JobAction &JA, C.addCommand(GetCommand(C, JA, Output, Inputs, Args, LinkingOutput)); } -// Try to find FallbackName on PATH that is not identical to ClangProgramPath. -// If one cannot be found, return FallbackName. -// We do this special search to prevent clang-cl from falling back onto itself -// if it's available as cl.exe on the path. -static std::string FindFallback(const char *FallbackName, - const char *ClangProgramPath) { - llvm::Optional<std::string> OptPath = llvm::sys::Process::GetEnv("PATH"); - if (!OptPath.hasValue()) - return FallbackName; - - const char EnvPathSeparatorStr[] = {llvm::sys::EnvPathSeparator, '\0'}; - SmallVector<StringRef, 8> PathSegments; - llvm::SplitString(OptPath.getValue(), PathSegments, EnvPathSeparatorStr); - - for (size_t i = 0, e = PathSegments.size(); i != e; ++i) { - const StringRef &PathSegment = PathSegments[i]; - if (PathSegment.empty()) - continue; - - SmallString<128> FilePath(PathSegment); - llvm::sys::path::append(FilePath, FallbackName); - if (llvm::sys::fs::can_execute(Twine(FilePath)) && - !llvm::sys::fs::equivalent(Twine(FilePath), ClangProgramPath)) - return FilePath.str(); - } - - return FallbackName; -} - -Command *visualstudio::Compile::GetCommand(Compilation &C, const JobAction &JA, - const InputInfo &Output, - const InputInfoList &Inputs, - const ArgList &Args, - const char *LinkingOutput) const { +std::unique_ptr<Command> visualstudio::Compile::GetCommand( + Compilation &C, const JobAction &JA, const InputInfo &Output, + const InputInfoList &Inputs, const ArgList &Args, + const char *LinkingOutput) const { ArgStringList CmdArgs; CmdArgs.push_back("/nologo"); CmdArgs.push_back("/c"); // Compile only. @@ -7944,8 +8101,10 @@ Command *visualstudio::Compile::GetCommand(Compilation &C, const JobAction &JA, CmdArgs.push_back(Fo); const Driver &D = getToolChain().getDriver(); - std::string Exec = FindFallback("cl.exe", D.getClangProgramPath()); - return new Command(JA, *this, Args.MakeArgString(Exec), CmdArgs); + std::string Exec = FindVisualStudioExecutable(getToolChain(), "cl.exe", + D.getClangProgramPath()); + return llvm::make_unique<Command>(JA, *this, Args.MakeArgString(Exec), + CmdArgs); } @@ -7957,6 +8116,7 @@ void XCore::Assemble::ConstructJob(Compilation &C, const JobAction &JA, const InputInfoList &Inputs, const ArgList &Args, const char *LinkingOutput) const { + claimNoWarnArgs(Args); ArgStringList CmdArgs; CmdArgs.push_back("-o"); @@ -7982,7 +8142,7 @@ void XCore::Assemble::ConstructJob(Compilation &C, const JobAction &JA, CmdArgs.push_back(II.getFilename()); const char *Exec = Args.MakeArgString(getToolChain().GetProgramPath("xcc")); - C.addCommand(new Command(JA, *this, Exec, CmdArgs)); + C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs)); } void XCore::Link::ConstructJob(Compilation &C, const JobAction &JA, @@ -8002,12 +8162,189 @@ void XCore::Link::ConstructJob(Compilation &C, const JobAction &JA, if (Args.hasArg(options::OPT_v)) CmdArgs.push_back("-v"); - ExceptionSettings EH = exceptionSettings(Args, getToolChain().getTriple()); - if (EH.ShouldUseExceptionTables) + if (exceptionSettings(Args, getToolChain().getTriple())) CmdArgs.push_back("-fexceptions"); AddLinkerInputs(getToolChain(), Inputs, Args, CmdArgs); const char *Exec = Args.MakeArgString(getToolChain().GetProgramPath("xcc")); - C.addCommand(new Command(JA, *this, Exec, CmdArgs)); + C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs)); +} + +void CrossWindows::Assemble::ConstructJob(Compilation &C, const JobAction &JA, + const InputInfo &Output, + const InputInfoList &Inputs, + const ArgList &Args, + const char *LinkingOutput) const { + claimNoWarnArgs(Args); + const auto &TC = + static_cast<const toolchains::CrossWindowsToolChain &>(getToolChain()); + ArgStringList CmdArgs; + const char *Exec; + + switch (TC.getArch()) { + default: llvm_unreachable("unsupported architecture"); + case llvm::Triple::arm: + case llvm::Triple::thumb: + break; + case llvm::Triple::x86: + CmdArgs.push_back("--32"); + break; + case llvm::Triple::x86_64: + CmdArgs.push_back("--64"); + break; + } + + Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA, options::OPT_Xassembler); + + CmdArgs.push_back("-o"); + CmdArgs.push_back(Output.getFilename()); + + for (const auto &Input : Inputs) + CmdArgs.push_back(Input.getFilename()); + + const std::string Assembler = TC.GetProgramPath("as"); + Exec = Args.MakeArgString(Assembler); + + C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs)); +} + +void CrossWindows::Link::ConstructJob(Compilation &C, const JobAction &JA, + const InputInfo &Output, + const InputInfoList &Inputs, + const ArgList &Args, + const char *LinkingOutput) const { + const auto &TC = + static_cast<const toolchains::CrossWindowsToolChain &>(getToolChain()); + const llvm::Triple &T = TC.getTriple(); + const Driver &D = TC.getDriver(); + SmallString<128> EntryPoint; + ArgStringList CmdArgs; + const char *Exec; + + // Silence warning for "clang -g foo.o -o foo" + Args.ClaimAllArgs(options::OPT_g_Group); + // and "clang -emit-llvm foo.o -o foo" + Args.ClaimAllArgs(options::OPT_emit_llvm); + // and for "clang -w foo.o -o foo" + Args.ClaimAllArgs(options::OPT_w); + // Other warning options are already handled somewhere else. + + if (!D.SysRoot.empty()) + CmdArgs.push_back(Args.MakeArgString("--sysroot=" + D.SysRoot)); + + if (Args.hasArg(options::OPT_pie)) + CmdArgs.push_back("-pie"); + if (Args.hasArg(options::OPT_rdynamic)) + CmdArgs.push_back("-export-dynamic"); + if (Args.hasArg(options::OPT_s)) + CmdArgs.push_back("--strip-all"); + + CmdArgs.push_back("-m"); + switch (TC.getArch()) { + default: llvm_unreachable("unsupported architecture"); + case llvm::Triple::arm: + case llvm::Triple::thumb: + // FIXME: this is incorrect for WinCE + CmdArgs.push_back("thumb2pe"); + break; + case llvm::Triple::x86: + CmdArgs.push_back("i386pe"); + EntryPoint.append("_"); + break; + case llvm::Triple::x86_64: + CmdArgs.push_back("i386pep"); + break; + } + + if (Args.hasArg(options::OPT_shared)) { + switch (T.getArch()) { + default: llvm_unreachable("unsupported architecture"); + case llvm::Triple::arm: + case llvm::Triple::thumb: + case llvm::Triple::x86_64: + EntryPoint.append("_DllMainCRTStartup"); + break; + case llvm::Triple::x86: + EntryPoint.append("_DllMainCRTStartup@12"); + break; + } + + CmdArgs.push_back("-shared"); + CmdArgs.push_back("-Bdynamic"); + + CmdArgs.push_back("--enable-auto-image-base"); + + CmdArgs.push_back("--entry"); + CmdArgs.push_back(Args.MakeArgString(EntryPoint)); + } else { + EntryPoint.append("mainCRTStartup"); + + CmdArgs.push_back(Args.hasArg(options::OPT_static) ? "-Bstatic" + : "-Bdynamic"); + + if (!Args.hasArg(options::OPT_nostdlib) && + !Args.hasArg(options::OPT_nostartfiles)) { + CmdArgs.push_back("--entry"); + CmdArgs.push_back(Args.MakeArgString(EntryPoint)); + } + + // FIXME: handle subsystem + } + + // NOTE: deal with multiple definitions on Windows (e.g. COMDAT) + CmdArgs.push_back("--allow-multiple-definition"); + + CmdArgs.push_back("-o"); + CmdArgs.push_back(Output.getFilename()); + + if (Args.hasArg(options::OPT_shared) || Args.hasArg(options::OPT_rdynamic)) { + SmallString<261> ImpLib(Output.getFilename()); + llvm::sys::path::replace_extension(ImpLib, ".lib"); + + CmdArgs.push_back("--out-implib"); + CmdArgs.push_back(Args.MakeArgString(ImpLib)); + } + + if (!Args.hasArg(options::OPT_nostdlib) && + !Args.hasArg(options::OPT_nostartfiles)) { + const std::string CRTPath(D.SysRoot + "/usr/lib/"); + const char *CRTBegin; + + CRTBegin = + Args.hasArg(options::OPT_shared) ? "crtbeginS.obj" : "crtbegin.obj"; + CmdArgs.push_back(Args.MakeArgString(CRTPath + CRTBegin)); + } + + Args.AddAllArgs(CmdArgs, options::OPT_L); + + const auto &Paths = TC.getFilePaths(); + for (const auto &Path : Paths) + CmdArgs.push_back(Args.MakeArgString(StringRef("-L") + Path)); + + AddLinkerInputs(TC, Inputs, Args, CmdArgs); + + if (D.CCCIsCXX() && !Args.hasArg(options::OPT_nostdlib) && + !Args.hasArg(options::OPT_nodefaultlibs)) { + bool StaticCXX = Args.hasArg(options::OPT_static_libstdcxx) && + !Args.hasArg(options::OPT_static); + if (StaticCXX) + CmdArgs.push_back("-Bstatic"); + TC.AddCXXStdlibLibArgs(Args, CmdArgs); + if (StaticCXX) + CmdArgs.push_back("-Bdynamic"); + } + + if (!Args.hasArg(options::OPT_nostdlib)) { + if (!Args.hasArg(options::OPT_nodefaultlibs)) { + // TODO handle /MT[d] /MD[d] + CmdArgs.push_back("-lmsvcrt"); + AddRunTimeLibs(TC, D, CmdArgs, Args); + } + } + + const std::string Linker = TC.GetProgramPath("ld"); + Exec = Args.MakeArgString(Linker); + + C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs)); } |
