diff options
Diffstat (limited to 'contrib/llvm-project/clang/lib/Driver/ToolChains/Linux.cpp')
| -rw-r--r-- | contrib/llvm-project/clang/lib/Driver/ToolChains/Linux.cpp | 261 |
1 files changed, 183 insertions, 78 deletions
diff --git a/contrib/llvm-project/clang/lib/Driver/ToolChains/Linux.cpp b/contrib/llvm-project/clang/lib/Driver/ToolChains/Linux.cpp index c9360fc67165..4300a2bdff17 100644 --- a/contrib/llvm-project/clang/lib/Driver/ToolChains/Linux.cpp +++ b/contrib/llvm-project/clang/lib/Driver/ToolChains/Linux.cpp @@ -8,6 +8,7 @@ #include "Linux.h" #include "Arch/ARM.h" +#include "Arch/LoongArch.h" #include "Arch/Mips.h" #include "Arch/PPC.h" #include "Arch/RISCV.h" @@ -60,12 +61,16 @@ std::string Linux::getMultiarchTriple(const Driver &D, case llvm::Triple::thumb: if (IsAndroid) return "arm-linux-androideabi"; - if (TargetEnvironment == llvm::Triple::GNUEABIHF) + if (TargetEnvironment == llvm::Triple::GNUEABIHF || + TargetEnvironment == llvm::Triple::MuslEABIHF || + TargetEnvironment == llvm::Triple::EABIHF) return "arm-linux-gnueabihf"; return "arm-linux-gnueabi"; case llvm::Triple::armeb: case llvm::Triple::thumbeb: - if (TargetEnvironment == llvm::Triple::GNUEABIHF) + if (TargetEnvironment == llvm::Triple::GNUEABIHF || + TargetEnvironment == llvm::Triple::MuslEABIHF || + TargetEnvironment == llvm::Triple::EABIHF) return "armeb-linux-gnueabihf"; return "armeb-linux-gnueabi"; case llvm::Triple::x86: @@ -85,37 +90,66 @@ std::string Linux::getMultiarchTriple(const Driver &D, case llvm::Triple::aarch64_be: return "aarch64_be-linux-gnu"; + case llvm::Triple::loongarch64: { + const char *Libc; + const char *FPFlavor; + + if (TargetTriple.isGNUEnvironment()) { + Libc = "gnu"; + } else if (TargetTriple.isMusl()) { + Libc = "musl"; + } else { + return TargetTriple.str(); + } + + switch (TargetEnvironment) { + default: + return TargetTriple.str(); + case llvm::Triple::GNUSF: + FPFlavor = "sf"; + break; + case llvm::Triple::GNUF32: + FPFlavor = "f32"; + break; + case llvm::Triple::GNU: + case llvm::Triple::GNUF64: + // This was going to be "f64" in an earlier Toolchain Conventions + // revision, but starting from Feb 2023 the F64 ABI variants are + // unmarked in their canonical forms. + FPFlavor = ""; + break; + } + + return (Twine("loongarch64-linux-") + Libc + FPFlavor).str(); + } + case llvm::Triple::m68k: return "m68k-linux-gnu"; case llvm::Triple::mips: return IsMipsR6 ? "mipsisa32r6-linux-gnu" : "mips-linux-gnu"; case llvm::Triple::mipsel: - if (IsAndroid) - return "mipsel-linux-android"; return IsMipsR6 ? "mipsisa32r6el-linux-gnu" : "mipsel-linux-gnu"; case llvm::Triple::mips64: { std::string MT = std::string(IsMipsR6 ? "mipsisa64r6" : "mips64") + "-linux-" + (IsMipsN32Abi ? "gnuabin32" : "gnuabi64"); - if (D.getVFS().exists(SysRoot + "/lib/" + MT)) + if (D.getVFS().exists(concat(SysRoot, "/lib", MT))) return MT; - if (D.getVFS().exists(SysRoot + "/lib/mips64-linux-gnu")) + if (D.getVFS().exists(concat(SysRoot, "/lib/mips64-linux-gnu"))) return "mips64-linux-gnu"; break; } case llvm::Triple::mips64el: { - if (IsAndroid) - return "mips64el-linux-android"; std::string MT = std::string(IsMipsR6 ? "mipsisa64r6el" : "mips64el") + "-linux-" + (IsMipsN32Abi ? "gnuabin32" : "gnuabi64"); - if (D.getVFS().exists(SysRoot + "/lib/" + MT)) + if (D.getVFS().exists(concat(SysRoot, "/lib", MT))) return MT; - if (D.getVFS().exists(SysRoot + "/lib/mips64el-linux-gnu")) + if (D.getVFS().exists(concat(SysRoot, "/lib/mips64el-linux-gnu"))) return "mips64el-linux-gnu"; break; } case llvm::Triple::ppc: - if (D.getVFS().exists(SysRoot + "/lib/powerpc-linux-gnuspe")) + if (D.getVFS().exists(concat(SysRoot, "/lib/powerpc-linux-gnuspe"))) return "powerpc-linux-gnuspe"; return "powerpc-linux-gnu"; case llvm::Triple::ppcle: @@ -124,6 +158,10 @@ std::string Linux::getMultiarchTriple(const Driver &D, return "powerpc64-linux-gnu"; case llvm::Triple::ppc64le: return "powerpc64le-linux-gnu"; + case llvm::Triple::riscv64: + if (IsAndroid) + return "riscv64-linux-android"; + return "riscv64-linux-gnu"; case llvm::Triple::sparc: return "sparc-linux-gnu"; case llvm::Triple::sparcv9: @@ -179,7 +217,7 @@ Linux::Linux(const Driver &D, const llvm::Triple &Triple, const ArgList &Args) : Generic_ELF(D, Triple, Args) { GCCInstallation.init(Triple, Args); Multilibs = GCCInstallation.getMultilibs(); - SelectedMultilib = GCCInstallation.getMultilib(); + SelectedMultilibs.assign({GCCInstallation.getMultilib()}); llvm::Triple::ArchType Arch = Triple.getArch(); std::string SysRoot = computeSysRoot(); ToolChain::path_list &PPaths = getProgramPaths(); @@ -206,8 +244,7 @@ Linux::Linux(const Driver &D, const llvm::Triple &Triple, const ArgList &Args) ExtraOpts.push_back("max-page-size=4096"); } - if (GCCInstallation.getParentLibPath().find("opt/rh/devtoolset") != - StringRef::npos) + if (GCCInstallation.getParentLibPath().contains("opt/rh/")) // With devtoolset on RHEL, we want to add a bin directory that is relative // to the detected gcc install, because if we are using devtoolset gcc then // we want to use other tools from devtoolset (e.g. ld) instead of the @@ -222,8 +259,12 @@ Linux::Linux(const Driver &D, const llvm::Triple &Triple, const ArgList &Args) const bool IsMips = Triple.isMIPS(); const bool IsHexagon = Arch == llvm::Triple::hexagon; const bool IsRISCV = Triple.isRISCV(); + const bool IsCSKY = Triple.isCSKY(); - if (IsMips && !SysRoot.empty()) + if (IsCSKY && !SelectedMultilibs.empty()) + SysRoot = SysRoot + SelectedMultilibs.back().osSuffix(); + + if ((IsMips || IsCSKY) && !SysRoot.empty()) ExtraOpts.push_back("--sysroot=" + SysRoot); // Do not use 'gnu' hash style for Mips targets because .gnu.hash @@ -233,25 +274,18 @@ Linux::Linux(const Driver &D, const llvm::Triple &Triple, const ArgList &Args) // Android loader does not support .gnu.hash until API 23. // Hexagon linker/loader does not support .gnu.hash if (!IsMips && !IsHexagon) { - if (Distro.IsRedhat() || Distro.IsOpenSUSE() || Distro.IsAlpineLinux() || - (Distro.IsUbuntu() && Distro >= Distro::UbuntuMaverick) || - (IsAndroid && !Triple.isAndroidVersionLT(23))) - ExtraOpts.push_back("--hash-style=gnu"); - - if (Distro.IsDebian() || Distro.IsOpenSUSE() || - Distro == Distro::UbuntuLucid || Distro == Distro::UbuntuJaunty || - Distro == Distro::UbuntuKarmic || + if (Distro.IsOpenSUSE() || Distro == Distro::UbuntuLucid || + Distro == Distro::UbuntuJaunty || Distro == Distro::UbuntuKarmic || (IsAndroid && Triple.isAndroidVersionLT(23))) ExtraOpts.push_back("--hash-style=both"); + else + ExtraOpts.push_back("--hash-style=gnu"); } #ifdef ENABLE_LINKER_BUILD_ID ExtraOpts.push_back("--build-id"); #endif - if (IsAndroid || Distro.IsOpenSUSE()) - ExtraOpts.push_back("--enable-new-dtags"); - // The selection of paths to try here is designed to match the patterns which // the GCC driver itself uses, as this is part of the GCC-compatible driver. // This was determined by running GCC in a fake filesystem, creating all @@ -262,52 +296,48 @@ Linux::Linux(const Driver &D, const llvm::Triple &Triple, const ArgList &Args) const std::string OSLibDir = std::string(getOSLibDir(Triple, Args)); const std::string MultiarchTriple = getMultiarchTriple(D, Triple, SysRoot); + // mips32: Debian multilib, we use /libo32, while in other case, /lib is + // used. We need add both libo32 and /lib. + if (Arch == llvm::Triple::mips || Arch == llvm::Triple::mipsel) { + Generic_GCC::AddMultilibPaths(D, SysRoot, "libo32", MultiarchTriple, Paths); + addPathIfExists(D, concat(SysRoot, "/libo32"), Paths); + addPathIfExists(D, concat(SysRoot, "/usr/libo32"), Paths); + } Generic_GCC::AddMultilibPaths(D, SysRoot, OSLibDir, MultiarchTriple, Paths); - addPathIfExists(D, SysRoot + "/lib/" + MultiarchTriple, Paths); - addPathIfExists(D, SysRoot + "/lib/../" + OSLibDir, Paths); + addPathIfExists(D, concat(SysRoot, "/lib", MultiarchTriple), Paths); + addPathIfExists(D, concat(SysRoot, "/lib/..", OSLibDir), Paths); if (IsAndroid) { // Android sysroots contain a library directory for each supported OS // version as well as some unversioned libraries in the usual multiarch // directory. - unsigned Major; - unsigned Minor; - unsigned Micro; - Triple.getEnvironmentVersion(Major, Minor, Micro); - addPathIfExists(D, - SysRoot + "/usr/lib/" + MultiarchTriple + "/" + - llvm::to_string(Major), - Paths); + addPathIfExists( + D, + concat(SysRoot, "/usr/lib", MultiarchTriple, + llvm::to_string(Triple.getEnvironmentVersion().getMajor())), + Paths); } - addPathIfExists(D, SysRoot + "/usr/lib/" + MultiarchTriple, Paths); + addPathIfExists(D, concat(SysRoot, "/usr/lib", MultiarchTriple), Paths); // 64-bit OpenEmbedded sysroots may not have a /usr/lib dir. So they cannot // find /usr/lib64 as it is referenced as /usr/lib/../lib64. So we handle // this here. if (Triple.getVendor() == llvm::Triple::OpenEmbedded && Triple.isArch64Bit()) - addPathIfExists(D, SysRoot + "/usr/" + OSLibDir, Paths); + addPathIfExists(D, concat(SysRoot, "/usr", OSLibDir), Paths); else - addPathIfExists(D, SysRoot + "/usr/lib/../" + OSLibDir, Paths); + addPathIfExists(D, concat(SysRoot, "/usr/lib/..", OSLibDir), Paths); if (IsRISCV) { StringRef ABIName = tools::riscv::getRISCVABI(Args, Triple); - addPathIfExists(D, SysRoot + "/" + OSLibDir + "/" + ABIName, Paths); - addPathIfExists(D, SysRoot + "/usr/" + OSLibDir + "/" + ABIName, Paths); + addPathIfExists(D, concat(SysRoot, "/", OSLibDir, ABIName), Paths); + addPathIfExists(D, concat(SysRoot, "/usr", OSLibDir, ABIName), Paths); } Generic_GCC::AddMultiarchPaths(D, SysRoot, OSLibDir, Paths); - // Similar to the logic for GCC above, if we are currently running Clang - // inside of the requested system root, add its parent library path to those - // searched. - // FIXME: It's not clear whether we should use the driver's installed - // directory ('Dir' below) or the ResourceDir. - if (StringRef(D.Dir).startswith(SysRoot)) - addPathIfExists(D, D.Dir + "/../lib", Paths); - - addPathIfExists(D, SysRoot + "/lib", Paths); - addPathIfExists(D, SysRoot + "/usr/lib", Paths); + addPathIfExists(D, concat(SysRoot, "/lib"), Paths); + addPathIfExists(D, concat(SysRoot, "/usr/lib"), Paths); } ToolChain::RuntimeLibType Linux::GetDefaultRuntimeLibType() const { @@ -316,6 +346,12 @@ ToolChain::RuntimeLibType Linux::GetDefaultRuntimeLibType() const { return Generic_ELF::GetDefaultRuntimeLibType(); } +unsigned Linux::GetDefaultDwarfVersion() const { + if (getTriple().isAndroid()) + return 4; + return ToolChain::GetDefaultDwarfVersion(); +} + ToolChain::CXXStdlibType Linux::GetDefaultCXXStdlibType() const { if (getTriple().isAndroid()) return ToolChain::CST_Libcxx; @@ -347,6 +383,21 @@ std::string Linux::computeSysRoot() const { return AndroidSysRootPath; } + if (getTriple().isCSKY()) { + // CSKY toolchains use different names for sysroot folder. + if (!GCCInstallation.isValid()) + return std::string(); + // GCCInstallation.getInstallPath() = + // $GCCToolchainPath/lib/gcc/csky-linux-gnuabiv2/6.3.0 + // Path = $GCCToolchainPath/csky-linux-gnuabiv2/libc + std::string Path = (GCCInstallation.getInstallPath() + "/../../../../" + + GCCInstallation.getTriple().str() + "/libc") + .str(); + if (getVFS().exists(Path)) + return Path; + return std::string(); + } + if (!GCCInstallation.isValid() || !getTriple().isMIPS()) return std::string(); @@ -379,9 +430,17 @@ std::string Linux::getDynamicLinker(const ArgList &Args) const { const Distro Distro(getDriver().getVFS(), Triple); - if (Triple.isAndroid()) + if (Triple.isAndroid()) { + if (getSanitizerArgs(Args).needsHwasanRt() && + !Triple.isAndroidVersionLT(34) && Triple.isArch64Bit()) { + // On Android 14 and newer, there is a special linker_hwasan64 that + // allows to run HWASan binaries on non-HWASan system images. This + // is also available on HWASan system images, so we can just always + // use that instead. + return "/system/bin/linker_hwasan64"; + } return Triple.isArch64Bit() ? "/system/bin/linker64" : "/system/bin/linker"; - + } if (Triple.isMusl()) { std::string ArchName; bool IsArm = false; @@ -410,6 +469,9 @@ std::string Linux::getDynamicLinker(const ArgList &Args) const { (Triple.getEnvironment() == llvm::Triple::MuslEABIHF || tools::arm::getARMFloatABI(*this, Args) == tools::arm::FloatABI::Hard)) ArchName += "hf"; + if (Arch == llvm::Triple::ppc && + Triple.getSubArch() == llvm::Triple::PPCSubArch_spe) + ArchName = "powerpc-sf"; return "/lib/ld-musl-" + ArchName + ".so.1"; } @@ -441,6 +503,22 @@ std::string Linux::getDynamicLinker(const ArgList &Args) const { Loader = HF ? "ld-linux-armhf.so.3" : "ld-linux.so.3"; break; } + case llvm::Triple::loongarch32: { + LibDir = "lib32"; + Loader = + ("ld-linux-loongarch-" + + tools::loongarch::getLoongArchABI(getDriver(), Args, Triple) + ".so.1") + .str(); + break; + } + case llvm::Triple::loongarch64: { + LibDir = "lib64"; + Loader = + ("ld-linux-loongarch-" + + tools::loongarch::getLoongArchABI(getDriver(), Args, Triple) + ".so.1") + .str(); + break; + } case llvm::Triple::m68k: LibDir = "lib"; Loader = "ld.so.1"; @@ -449,7 +527,7 @@ std::string Linux::getDynamicLinker(const ArgList &Args) const { case llvm::Triple::mipsel: case llvm::Triple::mips64: case llvm::Triple::mips64el: { - bool IsNaN2008 = tools::mips::isNaN2008(Args, Triple); + bool IsNaN2008 = tools::mips::isNaN2008(getDriver(), Args, Triple); LibDir = "lib" + tools::mips::getMipsABILibSuffix(Args, Triple); @@ -520,6 +598,11 @@ std::string Linux::getDynamicLinker(const ArgList &Args) const { } case llvm::Triple::ve: return "/opt/nec/ve/lib/ld-linux-ve.so.1"; + case llvm::Triple::csky: { + LibDir = "lib"; + Loader = "ld.so.1"; + break; + } } if (Distro == Distro::Exherbo && @@ -551,7 +634,7 @@ void Linux::AddClangSystemIncludeArgs(const ArgList &DriverArgs, return; // LOCAL_INCLUDE_DIR - addSystemInclude(DriverArgs, CC1Args, SysRoot + "/usr/local/include"); + addSystemInclude(DriverArgs, CC1Args, concat(SysRoot, "/usr/local/include")); // TOOL_INCLUDE_DIR AddMultilibIncludeArgs(DriverArgs, CC1Args); @@ -572,9 +655,10 @@ void Linux::AddClangSystemIncludeArgs(const ArgList &DriverArgs, // /usr/include. std::string MultiarchIncludeDir = getMultiarchTriple(D, getTriple(), SysRoot); if (!MultiarchIncludeDir.empty() && - D.getVFS().exists(SysRoot + "/usr/include/" + MultiarchIncludeDir)) - addExternCSystemInclude(DriverArgs, CC1Args, - SysRoot + "/usr/include/" + MultiarchIncludeDir); + D.getVFS().exists(concat(SysRoot, "/usr/include", MultiarchIncludeDir))) + addExternCSystemInclude( + DriverArgs, CC1Args, + concat(SysRoot, "/usr/include", MultiarchIncludeDir)); if (getTriple().getOS() == llvm::Triple::RTEMS) return; @@ -582,9 +666,9 @@ void Linux::AddClangSystemIncludeArgs(const ArgList &DriverArgs, // Add an include of '/include' directly. This isn't provided by default by // system GCCs, but is often used with cross-compiling GCCs, and harmless to // add even when Clang is acting as-if it were a system compiler. - addExternCSystemInclude(DriverArgs, CC1Args, SysRoot + "/include"); + addExternCSystemInclude(DriverArgs, CC1Args, concat(SysRoot, "/include")); - addExternCSystemInclude(DriverArgs, CC1Args, SysRoot + "/usr/include"); + addExternCSystemInclude(DriverArgs, CC1Args, concat(SysRoot, "/usr/include")); if (!DriverArgs.hasArg(options::OPT_nobuiltininc) && getTriple().isMusl()) addSystemInclude(DriverArgs, CC1Args, ResourceDirInclude); @@ -633,12 +717,25 @@ void Linux::addLibStdCxxIncludePaths(const llvm::opt::ArgList &DriverArgs, void Linux::AddCudaIncludeArgs(const ArgList &DriverArgs, ArgStringList &CC1Args) const { - CudaInstallation.AddCudaIncludeArgs(DriverArgs, CC1Args); + CudaInstallation->AddCudaIncludeArgs(DriverArgs, CC1Args); } void Linux::AddHIPIncludeArgs(const ArgList &DriverArgs, ArgStringList &CC1Args) const { - RocmInstallation.AddHIPIncludeArgs(DriverArgs, CC1Args); + RocmInstallation->AddHIPIncludeArgs(DriverArgs, CC1Args); +} + +void Linux::AddHIPRuntimeLibArgs(const ArgList &Args, + ArgStringList &CmdArgs) const { + CmdArgs.push_back( + Args.MakeArgString(StringRef("-L") + RocmInstallation->getLibPath())); + + if (Args.hasFlag(options::OPT_frtlib_add_rpath, + options::OPT_fno_rtlib_add_rpath, false)) + CmdArgs.append( + {"-rpath", Args.MakeArgString(RocmInstallation->getLibPath())}); + + CmdArgs.push_back("-lamdhip64"); } void Linux::AddIAMCUIncludeArgs(const ArgList &DriverArgs, @@ -651,9 +748,9 @@ void Linux::AddIAMCUIncludeArgs(const ArgList &DriverArgs, } } -bool Linux::isPIEDefault() const { - return (getTriple().isAndroid() && !getTriple().isAndroidVersionLT(16)) || - getTriple().isMusl() || getSanitizerArgs().requiresPIE(); +bool Linux::isPIEDefault(const llvm::opt::ArgList &Args) const { + return CLANG_DEFAULT_PIE_ON_LINUX || getTriple().isAndroid() || + getTriple().isMusl() || getSanitizerArgs(Args).requiresPIE(); } bool Linux::IsAArch64OutlineAtomicsDefault(const ArgList &Args) const { @@ -669,12 +766,8 @@ bool Linux::IsAArch64OutlineAtomicsDefault(const ArgList &Args) const { return true; } -bool Linux::isNoExecStackDefault() const { - return getTriple().isAndroid(); -} - bool Linux::IsMathErrnoDefault() const { - if (getTriple().isAndroid()) + if (getTriple().isAndroid() || getTriple().isMusl()) return false; return Generic_ELF::IsMathErrnoDefault(); } @@ -692,8 +785,10 @@ SanitizerMask Linux::getSupportedSanitizers() const { getTriple().getArch() == llvm::Triple::thumb || getTriple().getArch() == llvm::Triple::armeb || getTriple().getArch() == llvm::Triple::thumbeb; + const bool IsLoongArch64 = getTriple().getArch() == llvm::Triple::loongarch64; const bool IsRISCV64 = getTriple().getArch() == llvm::Triple::riscv64; const bool IsSystemZ = getTriple().getArch() == llvm::Triple::systemz; + const bool IsHexagon = getTriple().getArch() == llvm::Triple::hexagon; SanitizerMask Res = ToolChain::getSupportedSanitizers(); Res |= SanitizerKind::Address; Res |= SanitizerKind::PointerCompare; @@ -704,24 +799,28 @@ SanitizerMask Linux::getSupportedSanitizers() const { Res |= SanitizerKind::Memory; Res |= SanitizerKind::Vptr; Res |= SanitizerKind::SafeStack; - if (IsX86_64 || IsMIPS64 || IsAArch64) + if (IsX86_64 || IsMIPS64 || IsAArch64 || IsLoongArch64) Res |= SanitizerKind::DataFlow; if (IsX86_64 || IsMIPS64 || IsAArch64 || IsX86 || IsArmArch || IsPowerPC64 || - IsRISCV64 || IsSystemZ) + IsRISCV64 || IsSystemZ || IsHexagon || IsLoongArch64) Res |= SanitizerKind::Leak; - if (IsX86_64 || IsMIPS64 || IsAArch64 || IsPowerPC64 || IsSystemZ) + if (IsX86_64 || IsMIPS64 || IsAArch64 || IsPowerPC64 || IsSystemZ || + IsLoongArch64 || IsRISCV64) Res |= SanitizerKind::Thread; - if (IsX86_64) + if (IsX86_64 || IsSystemZ) Res |= SanitizerKind::KernelMemory; - if (IsX86 || IsX86_64) - Res |= SanitizerKind::Function; if (IsX86_64 || IsMIPS64 || IsAArch64 || IsX86 || IsMIPS || IsArmArch || - IsPowerPC64) + IsPowerPC64 || IsHexagon || IsLoongArch64 || IsRISCV64) Res |= SanitizerKind::Scudo; - if (IsX86_64 || IsAArch64) { + if (IsX86_64 || IsAArch64 || IsRISCV64) { Res |= SanitizerKind::HWAddress; + } + if (IsX86_64 || IsAArch64) { Res |= SanitizerKind::KernelHWAddress; } + // Work around "Cannot represent a difference across sections". + if (getTriple().getArch() == llvm::Triple::ppc64) + Res &= ~SanitizerKind::Function; return Res; } @@ -758,3 +857,9 @@ void Linux::addExtraOpts(llvm::opt::ArgStringList &CmdArgs) const { for (const auto &Opt : ExtraOpts) CmdArgs.push_back(Opt.c_str()); } + +const char *Linux::getDefaultLinker() const { + if (getTriple().isAndroid()) + return "ld.lld"; + return Generic_ELF::getDefaultLinker(); +} |