1e5dd7070Spatrick //===--- Gnu.cpp - Gnu Tool and ToolChain Implementations -------*- C++ -*-===// 2e5dd7070Spatrick // 3e5dd7070Spatrick // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4e5dd7070Spatrick // See https://llvm.org/LICENSE.txt for license information. 5e5dd7070Spatrick // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6e5dd7070Spatrick // 7e5dd7070Spatrick //===----------------------------------------------------------------------===// 8e5dd7070Spatrick 9e5dd7070Spatrick #include "Gnu.h" 10e5dd7070Spatrick #include "Arch/ARM.h" 11*7a9b00ceSrobert #include "Arch/CSKY.h" 12e5dd7070Spatrick #include "Arch/Mips.h" 13e5dd7070Spatrick #include "Arch/PPC.h" 14e5dd7070Spatrick #include "Arch/RISCV.h" 15e5dd7070Spatrick #include "Arch/Sparc.h" 16e5dd7070Spatrick #include "Arch/SystemZ.h" 17e5dd7070Spatrick #include "CommonArgs.h" 18e5dd7070Spatrick #include "Linux.h" 19e5dd7070Spatrick #include "clang/Config/config.h" // for GCC_INSTALL_PREFIX 20e5dd7070Spatrick #include "clang/Driver/Compilation.h" 21e5dd7070Spatrick #include "clang/Driver/Driver.h" 22e5dd7070Spatrick #include "clang/Driver/DriverDiagnostic.h" 23e5dd7070Spatrick #include "clang/Driver/Options.h" 24e5dd7070Spatrick #include "clang/Driver/Tool.h" 25e5dd7070Spatrick #include "clang/Driver/ToolChain.h" 26*7a9b00ceSrobert #include "llvm/ADT/StringSet.h" 27*7a9b00ceSrobert #include "llvm/ADT/Twine.h" 28e5dd7070Spatrick #include "llvm/Option/ArgList.h" 29e5dd7070Spatrick #include "llvm/Support/CodeGen.h" 30e5dd7070Spatrick #include "llvm/Support/Path.h" 31e5dd7070Spatrick #include "llvm/Support/TargetParser.h" 32e5dd7070Spatrick #include "llvm/Support/VirtualFileSystem.h" 33e5dd7070Spatrick #include <system_error> 34e5dd7070Spatrick 35e5dd7070Spatrick using namespace clang::driver; 36e5dd7070Spatrick using namespace clang::driver::toolchains; 37e5dd7070Spatrick using namespace clang; 38e5dd7070Spatrick using namespace llvm::opt; 39e5dd7070Spatrick 40e5dd7070Spatrick using tools::addMultilibFlag; 41ec727ea7Spatrick using tools::addPathIfExists; 42e5dd7070Spatrick 43e5dd7070Spatrick static bool forwardToGCC(const Option &O) { 44a0747c9fSpatrick // LinkerInput options have been forwarded. Don't duplicate. 45a0747c9fSpatrick if (O.hasFlag(options::LinkerInput)) 46a0747c9fSpatrick return false; 47a0747c9fSpatrick return O.matches(options::OPT_Link_Group) || O.hasFlag(options::LinkOption); 48e5dd7070Spatrick } 49e5dd7070Spatrick 50e5dd7070Spatrick // Switch CPU names not recognized by GNU assembler to a close CPU that it does 51e5dd7070Spatrick // recognize, instead of a lower march from being picked in the absence of a cpu 52e5dd7070Spatrick // flag. 53e5dd7070Spatrick static void normalizeCPUNamesForAssembler(const ArgList &Args, 54e5dd7070Spatrick ArgStringList &CmdArgs) { 55e5dd7070Spatrick if (Arg *A = Args.getLastArg(options::OPT_mcpu_EQ)) { 56e5dd7070Spatrick StringRef CPUArg(A->getValue()); 57a0747c9fSpatrick if (CPUArg.equals_insensitive("krait")) 58e5dd7070Spatrick CmdArgs.push_back("-mcpu=cortex-a15"); 59a0747c9fSpatrick else if (CPUArg.equals_insensitive("kryo")) 60e5dd7070Spatrick CmdArgs.push_back("-mcpu=cortex-a57"); 61e5dd7070Spatrick else 62e5dd7070Spatrick Args.AddLastArg(CmdArgs, options::OPT_mcpu_EQ); 63e5dd7070Spatrick } 64e5dd7070Spatrick } 65e5dd7070Spatrick 66e5dd7070Spatrick void tools::gcc::Common::ConstructJob(Compilation &C, const JobAction &JA, 67e5dd7070Spatrick const InputInfo &Output, 68e5dd7070Spatrick const InputInfoList &Inputs, 69e5dd7070Spatrick const ArgList &Args, 70e5dd7070Spatrick const char *LinkingOutput) const { 71e5dd7070Spatrick const Driver &D = getToolChain().getDriver(); 72e5dd7070Spatrick ArgStringList CmdArgs; 73e5dd7070Spatrick 74e5dd7070Spatrick for (const auto &A : Args) { 75e5dd7070Spatrick if (forwardToGCC(A->getOption())) { 76e5dd7070Spatrick // It is unfortunate that we have to claim here, as this means 77e5dd7070Spatrick // we will basically never report anything interesting for 78e5dd7070Spatrick // platforms using a generic gcc, even if we are just using gcc 79e5dd7070Spatrick // to get to the assembler. 80e5dd7070Spatrick A->claim(); 81e5dd7070Spatrick 82e5dd7070Spatrick A->render(Args, CmdArgs); 83e5dd7070Spatrick } 84e5dd7070Spatrick } 85e5dd7070Spatrick 86e5dd7070Spatrick RenderExtraToolArgs(JA, CmdArgs); 87e5dd7070Spatrick 88*7a9b00ceSrobert // If using a driver, force the arch. 89e5dd7070Spatrick if (getToolChain().getTriple().isOSDarwin()) { 90e5dd7070Spatrick CmdArgs.push_back("-arch"); 91e5dd7070Spatrick CmdArgs.push_back( 92e5dd7070Spatrick Args.MakeArgString(getToolChain().getDefaultUniversalArchName())); 93e5dd7070Spatrick } 94e5dd7070Spatrick 95e5dd7070Spatrick // Try to force gcc to match the tool chain we want, if we recognize 96e5dd7070Spatrick // the arch. 97e5dd7070Spatrick // 98e5dd7070Spatrick // FIXME: The triple class should directly provide the information we want 99e5dd7070Spatrick // here. 100e5dd7070Spatrick switch (getToolChain().getArch()) { 101e5dd7070Spatrick default: 102e5dd7070Spatrick break; 103e5dd7070Spatrick case llvm::Triple::x86: 104e5dd7070Spatrick case llvm::Triple::ppc: 105a0747c9fSpatrick case llvm::Triple::ppcle: 106e5dd7070Spatrick CmdArgs.push_back("-m32"); 107e5dd7070Spatrick break; 108e5dd7070Spatrick case llvm::Triple::x86_64: 109e5dd7070Spatrick case llvm::Triple::ppc64: 110e5dd7070Spatrick case llvm::Triple::ppc64le: 111e5dd7070Spatrick CmdArgs.push_back("-m64"); 112e5dd7070Spatrick break; 113e5dd7070Spatrick case llvm::Triple::sparcel: 114e5dd7070Spatrick CmdArgs.push_back("-EL"); 115e5dd7070Spatrick break; 116e5dd7070Spatrick } 117e5dd7070Spatrick 118e5dd7070Spatrick if (Output.isFilename()) { 119e5dd7070Spatrick CmdArgs.push_back("-o"); 120e5dd7070Spatrick CmdArgs.push_back(Output.getFilename()); 121e5dd7070Spatrick } else { 122e5dd7070Spatrick assert(Output.isNothing() && "Unexpected output"); 123e5dd7070Spatrick CmdArgs.push_back("-fsyntax-only"); 124e5dd7070Spatrick } 125e5dd7070Spatrick 126e5dd7070Spatrick Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA, options::OPT_Xassembler); 127e5dd7070Spatrick 128e5dd7070Spatrick // Only pass -x if gcc will understand it; otherwise hope gcc 129e5dd7070Spatrick // understands the suffix correctly. The main use case this would go 130e5dd7070Spatrick // wrong in is for linker inputs if they happened to have an odd 131e5dd7070Spatrick // suffix; really the only way to get this to happen is a command 132e5dd7070Spatrick // like '-x foobar a.c' which will treat a.c like a linker input. 133e5dd7070Spatrick // 134e5dd7070Spatrick // FIXME: For the linker case specifically, can we safely convert 135e5dd7070Spatrick // inputs into '-Wl,' options? 136e5dd7070Spatrick for (const auto &II : Inputs) { 137e5dd7070Spatrick // Don't try to pass LLVM or AST inputs to a generic gcc. 138e5dd7070Spatrick if (types::isLLVMIR(II.getType())) 139e5dd7070Spatrick D.Diag(clang::diag::err_drv_no_linker_llvm_support) 140e5dd7070Spatrick << getToolChain().getTripleString(); 141e5dd7070Spatrick else if (II.getType() == types::TY_AST) 142e5dd7070Spatrick D.Diag(diag::err_drv_no_ast_support) << getToolChain().getTripleString(); 143e5dd7070Spatrick else if (II.getType() == types::TY_ModuleFile) 144e5dd7070Spatrick D.Diag(diag::err_drv_no_module_support) 145e5dd7070Spatrick << getToolChain().getTripleString(); 146e5dd7070Spatrick 147e5dd7070Spatrick if (types::canTypeBeUserSpecified(II.getType())) { 148e5dd7070Spatrick CmdArgs.push_back("-x"); 149e5dd7070Spatrick CmdArgs.push_back(types::getTypeName(II.getType())); 150e5dd7070Spatrick } 151e5dd7070Spatrick 152e5dd7070Spatrick if (II.isFilename()) 153e5dd7070Spatrick CmdArgs.push_back(II.getFilename()); 154e5dd7070Spatrick else { 155e5dd7070Spatrick const Arg &A = II.getInputArg(); 156e5dd7070Spatrick 157e5dd7070Spatrick // Reverse translate some rewritten options. 158e5dd7070Spatrick if (A.getOption().matches(options::OPT_Z_reserved_lib_stdcxx)) { 159e5dd7070Spatrick CmdArgs.push_back("-lstdc++"); 160e5dd7070Spatrick continue; 161e5dd7070Spatrick } 162e5dd7070Spatrick 163e5dd7070Spatrick // Don't render as input, we need gcc to do the translations. 164e5dd7070Spatrick A.render(Args, CmdArgs); 165e5dd7070Spatrick } 166e5dd7070Spatrick } 167e5dd7070Spatrick 168e5dd7070Spatrick const std::string &customGCCName = D.getCCCGenericGCCName(); 169e5dd7070Spatrick const char *GCCName; 170e5dd7070Spatrick if (!customGCCName.empty()) 171e5dd7070Spatrick GCCName = customGCCName.c_str(); 172e5dd7070Spatrick else if (D.CCCIsCXX()) { 173e5dd7070Spatrick GCCName = "g++"; 174e5dd7070Spatrick } else 175e5dd7070Spatrick GCCName = "gcc"; 176e5dd7070Spatrick 177e5dd7070Spatrick const char *Exec = Args.MakeArgString(getToolChain().GetProgramPath(GCCName)); 178a0747c9fSpatrick C.addCommand(std::make_unique<Command>(JA, *this, 179a0747c9fSpatrick ResponseFileSupport::AtFileCurCP(), 180a0747c9fSpatrick Exec, CmdArgs, Inputs, Output)); 181e5dd7070Spatrick } 182e5dd7070Spatrick 183e5dd7070Spatrick void tools::gcc::Preprocessor::RenderExtraToolArgs( 184e5dd7070Spatrick const JobAction &JA, ArgStringList &CmdArgs) const { 185e5dd7070Spatrick CmdArgs.push_back("-E"); 186e5dd7070Spatrick } 187e5dd7070Spatrick 188e5dd7070Spatrick void tools::gcc::Compiler::RenderExtraToolArgs(const JobAction &JA, 189e5dd7070Spatrick ArgStringList &CmdArgs) const { 190e5dd7070Spatrick const Driver &D = getToolChain().getDriver(); 191e5dd7070Spatrick 192e5dd7070Spatrick switch (JA.getType()) { 193e5dd7070Spatrick // If -flto, etc. are present then make sure not to force assembly output. 194e5dd7070Spatrick case types::TY_LLVM_IR: 195e5dd7070Spatrick case types::TY_LTO_IR: 196e5dd7070Spatrick case types::TY_LLVM_BC: 197e5dd7070Spatrick case types::TY_LTO_BC: 198e5dd7070Spatrick CmdArgs.push_back("-c"); 199e5dd7070Spatrick break; 200e5dd7070Spatrick // We assume we've got an "integrated" assembler in that gcc will produce an 201e5dd7070Spatrick // object file itself. 202e5dd7070Spatrick case types::TY_Object: 203e5dd7070Spatrick CmdArgs.push_back("-c"); 204e5dd7070Spatrick break; 205e5dd7070Spatrick case types::TY_PP_Asm: 206e5dd7070Spatrick CmdArgs.push_back("-S"); 207e5dd7070Spatrick break; 208e5dd7070Spatrick case types::TY_Nothing: 209e5dd7070Spatrick CmdArgs.push_back("-fsyntax-only"); 210e5dd7070Spatrick break; 211e5dd7070Spatrick default: 212e5dd7070Spatrick D.Diag(diag::err_drv_invalid_gcc_output_type) << getTypeName(JA.getType()); 213e5dd7070Spatrick } 214e5dd7070Spatrick } 215e5dd7070Spatrick 216e5dd7070Spatrick void tools::gcc::Linker::RenderExtraToolArgs(const JobAction &JA, 217e5dd7070Spatrick ArgStringList &CmdArgs) const { 218e5dd7070Spatrick // The types are (hopefully) good enough. 219e5dd7070Spatrick } 220e5dd7070Spatrick 221e5dd7070Spatrick // On Arm the endianness of the output file is determined by the target and 222e5dd7070Spatrick // can be overridden by the pseudo-target flags '-mlittle-endian'/'-EL' and 223e5dd7070Spatrick // '-mbig-endian'/'-EB'. Unlike other targets the flag does not result in a 224e5dd7070Spatrick // normalized triple so we must handle the flag here. 225e5dd7070Spatrick static bool isArmBigEndian(const llvm::Triple &Triple, 226e5dd7070Spatrick const ArgList &Args) { 227e5dd7070Spatrick bool IsBigEndian = false; 228e5dd7070Spatrick switch (Triple.getArch()) { 229e5dd7070Spatrick case llvm::Triple::armeb: 230e5dd7070Spatrick case llvm::Triple::thumbeb: 231e5dd7070Spatrick IsBigEndian = true; 232*7a9b00ceSrobert [[fallthrough]]; 233e5dd7070Spatrick case llvm::Triple::arm: 234e5dd7070Spatrick case llvm::Triple::thumb: 235e5dd7070Spatrick if (Arg *A = Args.getLastArg(options::OPT_mlittle_endian, 236e5dd7070Spatrick options::OPT_mbig_endian)) 237e5dd7070Spatrick IsBigEndian = !A->getOption().matches(options::OPT_mlittle_endian); 238e5dd7070Spatrick break; 239e5dd7070Spatrick default: 240e5dd7070Spatrick break; 241e5dd7070Spatrick } 242e5dd7070Spatrick return IsBigEndian; 243e5dd7070Spatrick } 244e5dd7070Spatrick 245e5dd7070Spatrick static const char *getLDMOption(const llvm::Triple &T, const ArgList &Args) { 246e5dd7070Spatrick switch (T.getArch()) { 247e5dd7070Spatrick case llvm::Triple::x86: 248e5dd7070Spatrick if (T.isOSIAMCU()) 249e5dd7070Spatrick return "elf_iamcu"; 250e5dd7070Spatrick return "elf_i386"; 251e5dd7070Spatrick case llvm::Triple::aarch64: 252e5dd7070Spatrick return "aarch64linux"; 253e5dd7070Spatrick case llvm::Triple::aarch64_be: 254e5dd7070Spatrick return "aarch64linuxb"; 255e5dd7070Spatrick case llvm::Triple::arm: 256e5dd7070Spatrick case llvm::Triple::thumb: 257e5dd7070Spatrick case llvm::Triple::armeb: 258e5dd7070Spatrick case llvm::Triple::thumbeb: 259e5dd7070Spatrick return isArmBigEndian(T, Args) ? "armelfb_linux_eabi" : "armelf_linux_eabi"; 260a0747c9fSpatrick case llvm::Triple::m68k: 261a0747c9fSpatrick return "m68kelf"; 262e5dd7070Spatrick case llvm::Triple::ppc: 263a0747c9fSpatrick if (T.isOSLinux()) 264e5dd7070Spatrick return "elf32ppclinux"; 265a0747c9fSpatrick return "elf32ppc"; 266a0747c9fSpatrick case llvm::Triple::ppcle: 267a0747c9fSpatrick if (T.isOSLinux()) 268a0747c9fSpatrick return "elf32lppclinux"; 269a0747c9fSpatrick return "elf32lppc"; 270e5dd7070Spatrick case llvm::Triple::ppc64: 271e5dd7070Spatrick return "elf64ppc"; 272e5dd7070Spatrick case llvm::Triple::ppc64le: 273e5dd7070Spatrick return "elf64lppc"; 274e5dd7070Spatrick case llvm::Triple::riscv32: 275e5dd7070Spatrick return "elf32lriscv"; 276e5dd7070Spatrick case llvm::Triple::riscv64: 277e5dd7070Spatrick return "elf64lriscv"; 278e5dd7070Spatrick case llvm::Triple::sparc: 279e5dd7070Spatrick case llvm::Triple::sparcel: 280e5dd7070Spatrick return "elf32_sparc"; 281e5dd7070Spatrick case llvm::Triple::sparcv9: 282e5dd7070Spatrick return "elf64_sparc"; 283*7a9b00ceSrobert case llvm::Triple::loongarch32: 284*7a9b00ceSrobert return "elf32loongarch"; 285*7a9b00ceSrobert case llvm::Triple::loongarch64: 286*7a9b00ceSrobert return "elf64loongarch"; 287e5dd7070Spatrick case llvm::Triple::mips: 288e5dd7070Spatrick return "elf32btsmip"; 289e5dd7070Spatrick case llvm::Triple::mipsel: 290e5dd7070Spatrick return "elf32ltsmip"; 291e5dd7070Spatrick case llvm::Triple::mips64: 292e5dd7070Spatrick if (tools::mips::hasMipsAbiArg(Args, "n32") || 293e5dd7070Spatrick T.getEnvironment() == llvm::Triple::GNUABIN32) 294e5dd7070Spatrick return "elf32btsmipn32"; 295e5dd7070Spatrick return "elf64btsmip"; 296e5dd7070Spatrick case llvm::Triple::mips64el: 297e5dd7070Spatrick if (tools::mips::hasMipsAbiArg(Args, "n32") || 298e5dd7070Spatrick T.getEnvironment() == llvm::Triple::GNUABIN32) 299e5dd7070Spatrick return "elf32ltsmipn32"; 300e5dd7070Spatrick return "elf64ltsmip"; 301e5dd7070Spatrick case llvm::Triple::systemz: 302e5dd7070Spatrick return "elf64_s390"; 303e5dd7070Spatrick case llvm::Triple::x86_64: 304a0747c9fSpatrick if (T.isX32()) 305e5dd7070Spatrick return "elf32_x86_64"; 306e5dd7070Spatrick return "elf_x86_64"; 307ec727ea7Spatrick case llvm::Triple::ve: 308ec727ea7Spatrick return "elf64ve"; 309*7a9b00ceSrobert case llvm::Triple::csky: 310*7a9b00ceSrobert return "cskyelf_linux"; 311e5dd7070Spatrick default: 312e5dd7070Spatrick return nullptr; 313e5dd7070Spatrick } 314e5dd7070Spatrick } 315e5dd7070Spatrick 316389bb291Spatrick static bool getPIE(const ArgList &Args, const ToolChain &TC) { 317e5dd7070Spatrick if (Args.hasArg(options::OPT_shared) || Args.hasArg(options::OPT_static) || 318e5dd7070Spatrick Args.hasArg(options::OPT_r) || Args.hasArg(options::OPT_static_pie)) 319e5dd7070Spatrick return false; 320e5dd7070Spatrick 321e5dd7070Spatrick Arg *A = Args.getLastArg(options::OPT_pie, options::OPT_no_pie, 322e5dd7070Spatrick options::OPT_nopie); 323e5dd7070Spatrick if (!A) 324*7a9b00ceSrobert return TC.isPIEDefault(Args); 325e5dd7070Spatrick return A->getOption().matches(options::OPT_pie); 326e5dd7070Spatrick } 327e5dd7070Spatrick 328389bb291Spatrick static bool getStaticPIE(const ArgList &Args, const ToolChain &TC) { 329e5dd7070Spatrick bool HasStaticPIE = Args.hasArg(options::OPT_static_pie); 330e5dd7070Spatrick // -no-pie is an alias for -nopie. So, handling -nopie takes care of 331e5dd7070Spatrick // -no-pie as well. 332e5dd7070Spatrick if (HasStaticPIE && Args.hasArg(options::OPT_nopie)) { 333389bb291Spatrick const Driver &D = TC.getDriver(); 334e5dd7070Spatrick const llvm::opt::OptTable &Opts = D.getOpts(); 335*7a9b00ceSrobert StringRef StaticPIEName = Opts.getOptionName(options::OPT_static_pie); 336*7a9b00ceSrobert StringRef NoPIEName = Opts.getOptionName(options::OPT_nopie); 337e5dd7070Spatrick D.Diag(diag::err_drv_cannot_mix_options) << StaticPIEName << NoPIEName; 338e5dd7070Spatrick } 339e5dd7070Spatrick return HasStaticPIE; 340e5dd7070Spatrick } 341e5dd7070Spatrick 342e5dd7070Spatrick static bool getStatic(const ArgList &Args) { 343e5dd7070Spatrick return Args.hasArg(options::OPT_static) && 344e5dd7070Spatrick !Args.hasArg(options::OPT_static_pie); 345e5dd7070Spatrick } 346e5dd7070Spatrick 347ec727ea7Spatrick void tools::gnutools::StaticLibTool::ConstructJob( 348ec727ea7Spatrick Compilation &C, const JobAction &JA, const InputInfo &Output, 349ec727ea7Spatrick const InputInfoList &Inputs, const ArgList &Args, 350ec727ea7Spatrick const char *LinkingOutput) const { 351ec727ea7Spatrick const Driver &D = getToolChain().getDriver(); 352ec727ea7Spatrick 353ec727ea7Spatrick // Silence warning for "clang -g foo.o -o foo" 354ec727ea7Spatrick Args.ClaimAllArgs(options::OPT_g_Group); 355ec727ea7Spatrick // and "clang -emit-llvm foo.o -o foo" 356ec727ea7Spatrick Args.ClaimAllArgs(options::OPT_emit_llvm); 357ec727ea7Spatrick // and for "clang -w foo.o -o foo". Other warning options are already 358ec727ea7Spatrick // handled somewhere else. 359ec727ea7Spatrick Args.ClaimAllArgs(options::OPT_w); 360ec727ea7Spatrick // Silence warnings when linking C code with a C++ '-stdlib' argument. 361ec727ea7Spatrick Args.ClaimAllArgs(options::OPT_stdlib_EQ); 362ec727ea7Spatrick 363a0747c9fSpatrick // ar tool command "llvm-ar <options> <output_file> <input_files>". 364ec727ea7Spatrick ArgStringList CmdArgs; 365ec727ea7Spatrick // Create and insert file members with a deterministic index. 366ec727ea7Spatrick CmdArgs.push_back("rcsD"); 367ec727ea7Spatrick CmdArgs.push_back(Output.getFilename()); 368a0747c9fSpatrick 369a0747c9fSpatrick for (const auto &II : Inputs) { 370a0747c9fSpatrick if (II.isFilename()) { 371a0747c9fSpatrick CmdArgs.push_back(II.getFilename()); 372a0747c9fSpatrick } 373a0747c9fSpatrick } 374ec727ea7Spatrick 375ec727ea7Spatrick // Delete old output archive file if it already exists before generating a new 376ec727ea7Spatrick // archive file. 377ec727ea7Spatrick auto OutputFileName = Output.getFilename(); 378ec727ea7Spatrick if (Output.isFilename() && llvm::sys::fs::exists(OutputFileName)) { 379ec727ea7Spatrick if (std::error_code EC = llvm::sys::fs::remove(OutputFileName)) { 380ec727ea7Spatrick D.Diag(diag::err_drv_unable_to_remove_file) << EC.message(); 381ec727ea7Spatrick return; 382ec727ea7Spatrick } 383ec727ea7Spatrick } 384ec727ea7Spatrick 385ec727ea7Spatrick const char *Exec = Args.MakeArgString(getToolChain().GetStaticLibToolPath()); 386a0747c9fSpatrick C.addCommand(std::make_unique<Command>(JA, *this, 387a0747c9fSpatrick ResponseFileSupport::AtFileCurCP(), 388a0747c9fSpatrick Exec, CmdArgs, Inputs, Output)); 389ec727ea7Spatrick } 390ec727ea7Spatrick 391e5dd7070Spatrick void tools::gnutools::Linker::ConstructJob(Compilation &C, const JobAction &JA, 392e5dd7070Spatrick const InputInfo &Output, 393e5dd7070Spatrick const InputInfoList &Inputs, 394e5dd7070Spatrick const ArgList &Args, 395e5dd7070Spatrick const char *LinkingOutput) const { 396389bb291Spatrick // FIXME: The Linker class constructor takes a ToolChain and not a 397389bb291Spatrick // Generic_ELF, so the static_cast might return a reference to a invalid 398389bb291Spatrick // instance (see PR45061). Ideally, the Linker constructor needs to take a 399389bb291Spatrick // Generic_ELF instead. 400389bb291Spatrick const toolchains::Generic_ELF &ToolChain = 401389bb291Spatrick static_cast<const toolchains::Generic_ELF &>(getToolChain()); 402e5dd7070Spatrick const Driver &D = ToolChain.getDriver(); 403e5dd7070Spatrick 404e5dd7070Spatrick const llvm::Triple &Triple = getToolChain().getEffectiveTriple(); 405e5dd7070Spatrick 406e5dd7070Spatrick const llvm::Triple::ArchType Arch = ToolChain.getArch(); 407e5dd7070Spatrick const bool isAndroid = ToolChain.getTriple().isAndroid(); 408e5dd7070Spatrick const bool IsIAMCU = ToolChain.getTriple().isOSIAMCU(); 409ec727ea7Spatrick const bool IsVE = ToolChain.getTriple().isVE(); 410e5dd7070Spatrick const bool IsPIE = getPIE(Args, ToolChain); 411e5dd7070Spatrick const bool IsStaticPIE = getStaticPIE(Args, ToolChain); 412e5dd7070Spatrick const bool IsStatic = getStatic(Args); 413e5dd7070Spatrick const bool HasCRTBeginEndFiles = 414e5dd7070Spatrick ToolChain.getTriple().hasEnvironment() || 415e5dd7070Spatrick (ToolChain.getTriple().getVendor() != llvm::Triple::MipsTechnologies); 416e5dd7070Spatrick 417e5dd7070Spatrick ArgStringList CmdArgs; 418e5dd7070Spatrick 419e5dd7070Spatrick // Silence warning for "clang -g foo.o -o foo" 420e5dd7070Spatrick Args.ClaimAllArgs(options::OPT_g_Group); 421e5dd7070Spatrick // and "clang -emit-llvm foo.o -o foo" 422e5dd7070Spatrick Args.ClaimAllArgs(options::OPT_emit_llvm); 423e5dd7070Spatrick // and for "clang -w foo.o -o foo". Other warning options are already 424e5dd7070Spatrick // handled somewhere else. 425e5dd7070Spatrick Args.ClaimAllArgs(options::OPT_w); 426e5dd7070Spatrick 427e5dd7070Spatrick if (!D.SysRoot.empty()) 428e5dd7070Spatrick CmdArgs.push_back(Args.MakeArgString("--sysroot=" + D.SysRoot)); 429e5dd7070Spatrick 430e5dd7070Spatrick if (IsPIE) 431e5dd7070Spatrick CmdArgs.push_back("-pie"); 432e5dd7070Spatrick 433e5dd7070Spatrick if (IsStaticPIE) { 434e5dd7070Spatrick CmdArgs.push_back("-static"); 435e5dd7070Spatrick CmdArgs.push_back("-pie"); 436e5dd7070Spatrick CmdArgs.push_back("--no-dynamic-linker"); 437e5dd7070Spatrick CmdArgs.push_back("-z"); 438e5dd7070Spatrick CmdArgs.push_back("text"); 439e5dd7070Spatrick } 440e5dd7070Spatrick 441e5dd7070Spatrick if (Args.hasArg(options::OPT_rdynamic)) 442e5dd7070Spatrick CmdArgs.push_back("-export-dynamic"); 443e5dd7070Spatrick 444e5dd7070Spatrick if (Args.hasArg(options::OPT_s)) 445e5dd7070Spatrick CmdArgs.push_back("-s"); 446e5dd7070Spatrick 447e5dd7070Spatrick if (Triple.isARM() || Triple.isThumb() || Triple.isAArch64()) { 448e5dd7070Spatrick bool IsBigEndian = isArmBigEndian(Triple, Args); 449e5dd7070Spatrick if (IsBigEndian) 450e5dd7070Spatrick arm::appendBE8LinkFlag(Args, CmdArgs, Triple); 451e5dd7070Spatrick IsBigEndian = IsBigEndian || Arch == llvm::Triple::aarch64_be; 452e5dd7070Spatrick CmdArgs.push_back(IsBigEndian ? "-EB" : "-EL"); 453e5dd7070Spatrick } 454e5dd7070Spatrick 455e5dd7070Spatrick // Most Android ARM64 targets should enable the linker fix for erratum 456e5dd7070Spatrick // 843419. Only non-Cortex-A53 devices are allowed to skip this flag. 457e5dd7070Spatrick if (Arch == llvm::Triple::aarch64 && isAndroid) { 458*7a9b00ceSrobert std::string CPU = getCPUName(D, Args, Triple); 459e5dd7070Spatrick if (CPU.empty() || CPU == "generic" || CPU == "cortex-a53") 460e5dd7070Spatrick CmdArgs.push_back("--fix-cortex-a53-843419"); 461e5dd7070Spatrick } 462e5dd7070Spatrick 463389bb291Spatrick ToolChain.addExtraOpts(CmdArgs); 464e5dd7070Spatrick 465e5dd7070Spatrick CmdArgs.push_back("--eh-frame-hdr"); 466e5dd7070Spatrick 467e5dd7070Spatrick if (const char *LDMOption = getLDMOption(ToolChain.getTriple(), Args)) { 468e5dd7070Spatrick CmdArgs.push_back("-m"); 469e5dd7070Spatrick CmdArgs.push_back(LDMOption); 470e5dd7070Spatrick } else { 471e5dd7070Spatrick D.Diag(diag::err_target_unknown_triple) << Triple.str(); 472e5dd7070Spatrick return; 473e5dd7070Spatrick } 474*7a9b00ceSrobert if (Triple.isRISCV()) 475*7a9b00ceSrobert CmdArgs.push_back("-X"); 476*7a9b00ceSrobert 477*7a9b00ceSrobert if (Args.hasArg(options::OPT_shared)) 478*7a9b00ceSrobert CmdArgs.push_back("-shared"); 479e5dd7070Spatrick 480e5dd7070Spatrick if (IsStatic) { 481e5dd7070Spatrick CmdArgs.push_back("-static"); 482*7a9b00ceSrobert } else { 483e5dd7070Spatrick if (Args.hasArg(options::OPT_rdynamic)) 484e5dd7070Spatrick CmdArgs.push_back("-export-dynamic"); 485e5dd7070Spatrick 486*7a9b00ceSrobert if (!Args.hasArg(options::OPT_shared) && !IsStaticPIE && 487*7a9b00ceSrobert !Args.hasArg(options::OPT_r)) { 488e5dd7070Spatrick CmdArgs.push_back("-dynamic-linker"); 489ec727ea7Spatrick CmdArgs.push_back(Args.MakeArgString(Twine(D.DyldPrefix) + 490ec727ea7Spatrick ToolChain.getDynamicLinker(Args))); 491e5dd7070Spatrick } 492e5dd7070Spatrick } 493e5dd7070Spatrick 494e5dd7070Spatrick CmdArgs.push_back("-o"); 495e5dd7070Spatrick CmdArgs.push_back(Output.getFilename()); 496e5dd7070Spatrick 497*7a9b00ceSrobert if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nostartfiles, 498*7a9b00ceSrobert options::OPT_r)) { 499e5dd7070Spatrick if (!isAndroid && !IsIAMCU) { 500e5dd7070Spatrick const char *crt1 = nullptr; 501e5dd7070Spatrick if (!Args.hasArg(options::OPT_shared)) { 502e5dd7070Spatrick if (Args.hasArg(options::OPT_pg)) 503e5dd7070Spatrick crt1 = "gcrt1.o"; 504e5dd7070Spatrick else if (IsPIE) 505e5dd7070Spatrick crt1 = "Scrt1.o"; 506e5dd7070Spatrick else if (IsStaticPIE) 507e5dd7070Spatrick crt1 = "rcrt1.o"; 508e5dd7070Spatrick else 509e5dd7070Spatrick crt1 = "crt1.o"; 510e5dd7070Spatrick } 511e5dd7070Spatrick if (crt1) 512e5dd7070Spatrick CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath(crt1))); 513e5dd7070Spatrick 514e5dd7070Spatrick CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("crti.o"))); 515e5dd7070Spatrick } 516e5dd7070Spatrick 517ec727ea7Spatrick if (IsVE) { 518ec727ea7Spatrick CmdArgs.push_back("-z"); 519ec727ea7Spatrick CmdArgs.push_back("max-page-size=0x4000000"); 520ec727ea7Spatrick } 521ec727ea7Spatrick 522e5dd7070Spatrick if (IsIAMCU) 523e5dd7070Spatrick CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("crt0.o"))); 524e5dd7070Spatrick else if (HasCRTBeginEndFiles) { 525e5dd7070Spatrick std::string P; 526e5dd7070Spatrick if (ToolChain.GetRuntimeLibType(Args) == ToolChain::RLT_CompilerRT && 527e5dd7070Spatrick !isAndroid) { 528e5dd7070Spatrick std::string crtbegin = ToolChain.getCompilerRT(Args, "crtbegin", 529e5dd7070Spatrick ToolChain::FT_Object); 530e5dd7070Spatrick if (ToolChain.getVFS().exists(crtbegin)) 531e5dd7070Spatrick P = crtbegin; 532e5dd7070Spatrick } 533e5dd7070Spatrick if (P.empty()) { 534e5dd7070Spatrick const char *crtbegin; 535*7a9b00ceSrobert if (Args.hasArg(options::OPT_shared)) 536e5dd7070Spatrick crtbegin = isAndroid ? "crtbegin_so.o" : "crtbeginS.o"; 537*7a9b00ceSrobert else if (IsStatic) 538*7a9b00ceSrobert crtbegin = isAndroid ? "crtbegin_static.o" : "crtbeginT.o"; 539e5dd7070Spatrick else if (IsPIE || IsStaticPIE) 540e5dd7070Spatrick crtbegin = isAndroid ? "crtbegin_dynamic.o" : "crtbeginS.o"; 541e5dd7070Spatrick else 542e5dd7070Spatrick crtbegin = isAndroid ? "crtbegin_dynamic.o" : "crtbegin.o"; 543e5dd7070Spatrick P = ToolChain.GetFilePath(crtbegin); 544e5dd7070Spatrick } 545e5dd7070Spatrick CmdArgs.push_back(Args.MakeArgString(P)); 546e5dd7070Spatrick } 547e5dd7070Spatrick 548e5dd7070Spatrick // Add crtfastmath.o if available and fast math is enabled. 549ec727ea7Spatrick ToolChain.addFastMathRuntimeIfAvailable(Args, CmdArgs); 550e5dd7070Spatrick } 551e5dd7070Spatrick 552e5dd7070Spatrick Args.AddAllArgs(CmdArgs, options::OPT_L); 553e5dd7070Spatrick Args.AddAllArgs(CmdArgs, options::OPT_u); 554e5dd7070Spatrick 555e5dd7070Spatrick ToolChain.AddFilePathLibArgs(Args, CmdArgs); 556e5dd7070Spatrick 557e5dd7070Spatrick if (D.isUsingLTO()) { 558e5dd7070Spatrick assert(!Inputs.empty() && "Must have at least one input."); 559ec727ea7Spatrick addLTOOptions(ToolChain, Args, CmdArgs, Output, Inputs[0], 560e5dd7070Spatrick D.getLTOMode() == LTOK_Thin); 561e5dd7070Spatrick } 562e5dd7070Spatrick 563e5dd7070Spatrick if (Args.hasArg(options::OPT_Z_Xlinker__no_demangle)) 564e5dd7070Spatrick CmdArgs.push_back("--no-demangle"); 565e5dd7070Spatrick 566e5dd7070Spatrick bool NeedsSanitizerDeps = addSanitizerRuntimes(ToolChain, Args, CmdArgs); 567e5dd7070Spatrick bool NeedsXRayDeps = addXRayRuntime(ToolChain, Args, CmdArgs); 568a0747c9fSpatrick addLinkerCompressDebugSectionsOption(ToolChain, Args, CmdArgs); 569e5dd7070Spatrick AddLinkerInputs(ToolChain, Inputs, Args, CmdArgs, JA); 570*7a9b00ceSrobert 571*7a9b00ceSrobert addHIPRuntimeLibArgs(ToolChain, Args, CmdArgs); 572*7a9b00ceSrobert 573e5dd7070Spatrick // The profile runtime also needs access to system libraries. 574e5dd7070Spatrick getToolChain().addProfileRTLibs(Args, CmdArgs); 575e5dd7070Spatrick 576e5dd7070Spatrick if (D.CCCIsCXX() && 577*7a9b00ceSrobert !Args.hasArg(options::OPT_nostdlib, options::OPT_nodefaultlibs, 578*7a9b00ceSrobert options::OPT_r)) { 579e5dd7070Spatrick if (ToolChain.ShouldLinkCXXStdlib(Args)) { 580e5dd7070Spatrick bool OnlyLibstdcxxStatic = Args.hasArg(options::OPT_static_libstdcxx) && 581e5dd7070Spatrick !Args.hasArg(options::OPT_static); 582e5dd7070Spatrick if (OnlyLibstdcxxStatic) 583e5dd7070Spatrick CmdArgs.push_back("-Bstatic"); 584e5dd7070Spatrick ToolChain.AddCXXStdlibLibArgs(Args, CmdArgs); 585e5dd7070Spatrick if (OnlyLibstdcxxStatic) 586e5dd7070Spatrick CmdArgs.push_back("-Bdynamic"); 587e5dd7070Spatrick } 588e5dd7070Spatrick CmdArgs.push_back("-lm"); 589e5dd7070Spatrick } 590*7a9b00ceSrobert 591e5dd7070Spatrick // Silence warnings when linking C code with a C++ '-stdlib' argument. 592e5dd7070Spatrick Args.ClaimAllArgs(options::OPT_stdlib_EQ); 593e5dd7070Spatrick 594*7a9b00ceSrobert // Additional linker set-up and flags for Fortran. This is required in order 595*7a9b00ceSrobert // to generate executables. As Fortran runtime depends on the C runtime, 596*7a9b00ceSrobert // these dependencies need to be listed before the C runtime below (i.e. 597*7a9b00ceSrobert // AddRuntTimeLibs). 598*7a9b00ceSrobert if (D.IsFlangMode()) { 599*7a9b00ceSrobert addFortranRuntimeLibraryPath(ToolChain, Args, CmdArgs); 600*7a9b00ceSrobert addFortranRuntimeLibs(ToolChain, CmdArgs); 601*7a9b00ceSrobert CmdArgs.push_back("-lm"); 602*7a9b00ceSrobert } 603*7a9b00ceSrobert 604*7a9b00ceSrobert if (!Args.hasArg(options::OPT_nostdlib, options::OPT_r)) { 605e5dd7070Spatrick if (!Args.hasArg(options::OPT_nodefaultlibs)) { 606e5dd7070Spatrick if (IsStatic || IsStaticPIE) 607e5dd7070Spatrick CmdArgs.push_back("--start-group"); 608e5dd7070Spatrick 609e5dd7070Spatrick if (NeedsSanitizerDeps) 610e5dd7070Spatrick linkSanitizerRuntimeDeps(ToolChain, CmdArgs); 611e5dd7070Spatrick 612e5dd7070Spatrick if (NeedsXRayDeps) 613e5dd7070Spatrick linkXRayRuntimeDeps(ToolChain, CmdArgs); 614e5dd7070Spatrick 615e5dd7070Spatrick bool WantPthread = Args.hasArg(options::OPT_pthread) || 616e5dd7070Spatrick Args.hasArg(options::OPT_pthreads); 617e5dd7070Spatrick 618e5dd7070Spatrick // Use the static OpenMP runtime with -static-openmp 619e5dd7070Spatrick bool StaticOpenMP = Args.hasArg(options::OPT_static_openmp) && 620e5dd7070Spatrick !Args.hasArg(options::OPT_static); 621e5dd7070Spatrick 622e5dd7070Spatrick // FIXME: Only pass GompNeedsRT = true for platforms with libgomp that 623e5dd7070Spatrick // require librt. Most modern Linux platforms do, but some may not. 624e5dd7070Spatrick if (addOpenMPRuntime(CmdArgs, ToolChain, Args, StaticOpenMP, 625e5dd7070Spatrick JA.isHostOffloading(Action::OFK_OpenMP), 626e5dd7070Spatrick /* GompNeedsRT= */ true)) 627e5dd7070Spatrick // OpenMP runtimes implies pthreads when using the GNU toolchain. 628e5dd7070Spatrick // FIXME: Does this really make sense for all GNU toolchains? 629e5dd7070Spatrick WantPthread = true; 630e5dd7070Spatrick 631e5dd7070Spatrick AddRunTimeLibs(ToolChain, D, CmdArgs, Args); 632e5dd7070Spatrick 633*7a9b00ceSrobert // LLVM support for atomics on 32-bit SPARC V8+ is incomplete, so 634*7a9b00ceSrobert // forcibly link with libatomic as a workaround. 635*7a9b00ceSrobert // TODO: Issue #41880 and D118021. 636*7a9b00ceSrobert if (getToolChain().getTriple().getArch() == llvm::Triple::sparc) { 637*7a9b00ceSrobert CmdArgs.push_back("--push-state"); 638*7a9b00ceSrobert CmdArgs.push_back("--as-needed"); 639*7a9b00ceSrobert CmdArgs.push_back("-latomic"); 640*7a9b00ceSrobert CmdArgs.push_back("--pop-state"); 641*7a9b00ceSrobert } 642*7a9b00ceSrobert 643e5dd7070Spatrick if (WantPthread && !isAndroid) 644e5dd7070Spatrick CmdArgs.push_back("-lpthread"); 645e5dd7070Spatrick 646e5dd7070Spatrick if (Args.hasArg(options::OPT_fsplit_stack)) 647e5dd7070Spatrick CmdArgs.push_back("--wrap=pthread_create"); 648e5dd7070Spatrick 649e5dd7070Spatrick if (!Args.hasArg(options::OPT_nolibc)) 650e5dd7070Spatrick CmdArgs.push_back("-lc"); 651e5dd7070Spatrick 652e5dd7070Spatrick // Add IAMCU specific libs, if needed. 653e5dd7070Spatrick if (IsIAMCU) 654e5dd7070Spatrick CmdArgs.push_back("-lgloss"); 655e5dd7070Spatrick 656e5dd7070Spatrick if (IsStatic || IsStaticPIE) 657e5dd7070Spatrick CmdArgs.push_back("--end-group"); 658e5dd7070Spatrick else 659e5dd7070Spatrick AddRunTimeLibs(ToolChain, D, CmdArgs, Args); 660e5dd7070Spatrick 661e5dd7070Spatrick // Add IAMCU specific libs (outside the group), if needed. 662e5dd7070Spatrick if (IsIAMCU) { 663e5dd7070Spatrick CmdArgs.push_back("--as-needed"); 664e5dd7070Spatrick CmdArgs.push_back("-lsoftfp"); 665e5dd7070Spatrick CmdArgs.push_back("--no-as-needed"); 666e5dd7070Spatrick } 667e5dd7070Spatrick } 668e5dd7070Spatrick 669e5dd7070Spatrick if (!Args.hasArg(options::OPT_nostartfiles) && !IsIAMCU) { 670e5dd7070Spatrick if (HasCRTBeginEndFiles) { 671e5dd7070Spatrick std::string P; 672e5dd7070Spatrick if (ToolChain.GetRuntimeLibType(Args) == ToolChain::RLT_CompilerRT && 673e5dd7070Spatrick !isAndroid) { 674e5dd7070Spatrick std::string crtend = ToolChain.getCompilerRT(Args, "crtend", 675e5dd7070Spatrick ToolChain::FT_Object); 676e5dd7070Spatrick if (ToolChain.getVFS().exists(crtend)) 677e5dd7070Spatrick P = crtend; 678e5dd7070Spatrick } 679e5dd7070Spatrick if (P.empty()) { 680e5dd7070Spatrick const char *crtend; 681e5dd7070Spatrick if (Args.hasArg(options::OPT_shared)) 682e5dd7070Spatrick crtend = isAndroid ? "crtend_so.o" : "crtendS.o"; 683e5dd7070Spatrick else if (IsPIE || IsStaticPIE) 684e5dd7070Spatrick crtend = isAndroid ? "crtend_android.o" : "crtendS.o"; 685e5dd7070Spatrick else 686e5dd7070Spatrick crtend = isAndroid ? "crtend_android.o" : "crtend.o"; 687e5dd7070Spatrick P = ToolChain.GetFilePath(crtend); 688e5dd7070Spatrick } 689e5dd7070Spatrick CmdArgs.push_back(Args.MakeArgString(P)); 690e5dd7070Spatrick } 691e5dd7070Spatrick if (!isAndroid) 692e5dd7070Spatrick CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("crtn.o"))); 693e5dd7070Spatrick } 694e5dd7070Spatrick } 695e5dd7070Spatrick 696ec727ea7Spatrick Args.AddAllArgs(CmdArgs, options::OPT_T); 697e5dd7070Spatrick 698e5dd7070Spatrick const char *Exec = Args.MakeArgString(ToolChain.GetLinkerPath()); 699a0747c9fSpatrick C.addCommand(std::make_unique<Command>(JA, *this, 700a0747c9fSpatrick ResponseFileSupport::AtFileCurCP(), 701a0747c9fSpatrick Exec, CmdArgs, Inputs, Output)); 702e5dd7070Spatrick } 703e5dd7070Spatrick 704e5dd7070Spatrick void tools::gnutools::Assembler::ConstructJob(Compilation &C, 705e5dd7070Spatrick const JobAction &JA, 706e5dd7070Spatrick const InputInfo &Output, 707e5dd7070Spatrick const InputInfoList &Inputs, 708e5dd7070Spatrick const ArgList &Args, 709e5dd7070Spatrick const char *LinkingOutput) const { 710e5dd7070Spatrick const auto &D = getToolChain().getDriver(); 711e5dd7070Spatrick 712e5dd7070Spatrick claimNoWarnArgs(Args); 713e5dd7070Spatrick 714e5dd7070Spatrick ArgStringList CmdArgs; 715e5dd7070Spatrick 716e5dd7070Spatrick llvm::Reloc::Model RelocationModel; 717e5dd7070Spatrick unsigned PICLevel; 718e5dd7070Spatrick bool IsPIE; 719ec727ea7Spatrick const char *DefaultAssembler = "as"; 720e5dd7070Spatrick std::tie(RelocationModel, PICLevel, IsPIE) = 721e5dd7070Spatrick ParsePICArgs(getToolChain(), Args); 722e5dd7070Spatrick 723e5dd7070Spatrick if (const Arg *A = Args.getLastArg(options::OPT_gz, options::OPT_gz_EQ)) { 724e5dd7070Spatrick if (A->getOption().getID() == options::OPT_gz) { 725e5dd7070Spatrick CmdArgs.push_back("--compress-debug-sections"); 726e5dd7070Spatrick } else { 727e5dd7070Spatrick StringRef Value = A->getValue(); 728*7a9b00ceSrobert if (Value == "none" || Value == "zlib" || Value == "zstd") { 729e5dd7070Spatrick CmdArgs.push_back( 730e5dd7070Spatrick Args.MakeArgString("--compress-debug-sections=" + Twine(Value))); 731e5dd7070Spatrick } else { 732e5dd7070Spatrick D.Diag(diag::err_drv_unsupported_option_argument) 733*7a9b00ceSrobert << A->getSpelling() << Value; 734e5dd7070Spatrick } 735e5dd7070Spatrick } 736e5dd7070Spatrick } 737e5dd7070Spatrick 738e5dd7070Spatrick switch (getToolChain().getArch()) { 739e5dd7070Spatrick default: 740e5dd7070Spatrick break; 741e5dd7070Spatrick // Add --32/--64 to make sure we get the format we want. 742e5dd7070Spatrick // This is incomplete 743e5dd7070Spatrick case llvm::Triple::x86: 744e5dd7070Spatrick CmdArgs.push_back("--32"); 745e5dd7070Spatrick break; 746e5dd7070Spatrick case llvm::Triple::x86_64: 747a0747c9fSpatrick if (getToolChain().getTriple().isX32()) 748e5dd7070Spatrick CmdArgs.push_back("--x32"); 749e5dd7070Spatrick else 750e5dd7070Spatrick CmdArgs.push_back("--64"); 751e5dd7070Spatrick break; 752e5dd7070Spatrick case llvm::Triple::ppc: { 753e5dd7070Spatrick CmdArgs.push_back("-a32"); 754e5dd7070Spatrick CmdArgs.push_back("-mppc"); 755a0747c9fSpatrick CmdArgs.push_back("-mbig-endian"); 756*7a9b00ceSrobert CmdArgs.push_back(ppc::getPPCAsmModeForCPU( 757*7a9b00ceSrobert getCPUName(D, Args, getToolChain().getTriple()))); 758a0747c9fSpatrick break; 759a0747c9fSpatrick } 760a0747c9fSpatrick case llvm::Triple::ppcle: { 761a0747c9fSpatrick CmdArgs.push_back("-a32"); 762a0747c9fSpatrick CmdArgs.push_back("-mppc"); 763a0747c9fSpatrick CmdArgs.push_back("-mlittle-endian"); 764*7a9b00ceSrobert CmdArgs.push_back(ppc::getPPCAsmModeForCPU( 765*7a9b00ceSrobert getCPUName(D, Args, getToolChain().getTriple()))); 766e5dd7070Spatrick break; 767e5dd7070Spatrick } 768e5dd7070Spatrick case llvm::Triple::ppc64: { 769e5dd7070Spatrick CmdArgs.push_back("-a64"); 770e5dd7070Spatrick CmdArgs.push_back("-mppc64"); 771a0747c9fSpatrick CmdArgs.push_back("-mbig-endian"); 772*7a9b00ceSrobert CmdArgs.push_back(ppc::getPPCAsmModeForCPU( 773*7a9b00ceSrobert getCPUName(D, Args, getToolChain().getTriple()))); 774e5dd7070Spatrick break; 775e5dd7070Spatrick } 776e5dd7070Spatrick case llvm::Triple::ppc64le: { 777e5dd7070Spatrick CmdArgs.push_back("-a64"); 778e5dd7070Spatrick CmdArgs.push_back("-mppc64"); 779e5dd7070Spatrick CmdArgs.push_back("-mlittle-endian"); 780*7a9b00ceSrobert CmdArgs.push_back(ppc::getPPCAsmModeForCPU( 781*7a9b00ceSrobert getCPUName(D, Args, getToolChain().getTriple()))); 782e5dd7070Spatrick break; 783e5dd7070Spatrick } 784e5dd7070Spatrick case llvm::Triple::riscv32: 785e5dd7070Spatrick case llvm::Triple::riscv64: { 786e5dd7070Spatrick StringRef ABIName = riscv::getRISCVABI(Args, getToolChain().getTriple()); 787e5dd7070Spatrick CmdArgs.push_back("-mabi"); 788e5dd7070Spatrick CmdArgs.push_back(ABIName.data()); 789e5dd7070Spatrick StringRef MArchName = riscv::getRISCVArch(Args, getToolChain().getTriple()); 790e5dd7070Spatrick CmdArgs.push_back("-march"); 791e5dd7070Spatrick CmdArgs.push_back(MArchName.data()); 792*7a9b00ceSrobert if (!Args.hasFlag(options::OPT_mrelax, options::OPT_mno_relax, true)) 793*7a9b00ceSrobert Args.addOptOutFlag(CmdArgs, options::OPT_mrelax, options::OPT_mno_relax); 794e5dd7070Spatrick break; 795e5dd7070Spatrick } 796e5dd7070Spatrick case llvm::Triple::sparc: 797e5dd7070Spatrick case llvm::Triple::sparcel: { 798e5dd7070Spatrick CmdArgs.push_back("-32"); 799*7a9b00ceSrobert std::string CPU = getCPUName(D, Args, getToolChain().getTriple()); 800e5dd7070Spatrick CmdArgs.push_back( 801e5dd7070Spatrick sparc::getSparcAsmModeForCPU(CPU, getToolChain().getTriple())); 802e5dd7070Spatrick AddAssemblerKPIC(getToolChain(), Args, CmdArgs); 803e5dd7070Spatrick break; 804e5dd7070Spatrick } 805e5dd7070Spatrick case llvm::Triple::sparcv9: { 806e5dd7070Spatrick CmdArgs.push_back("-64"); 807*7a9b00ceSrobert std::string CPU = getCPUName(D, Args, getToolChain().getTriple()); 808e5dd7070Spatrick CmdArgs.push_back( 809e5dd7070Spatrick sparc::getSparcAsmModeForCPU(CPU, getToolChain().getTriple())); 810e5dd7070Spatrick AddAssemblerKPIC(getToolChain(), Args, CmdArgs); 811e5dd7070Spatrick break; 812e5dd7070Spatrick } 813e5dd7070Spatrick case llvm::Triple::arm: 814e5dd7070Spatrick case llvm::Triple::armeb: 815e5dd7070Spatrick case llvm::Triple::thumb: 816e5dd7070Spatrick case llvm::Triple::thumbeb: { 817e5dd7070Spatrick const llvm::Triple &Triple2 = getToolChain().getTriple(); 818e5dd7070Spatrick CmdArgs.push_back(isArmBigEndian(Triple2, Args) ? "-EB" : "-EL"); 819e5dd7070Spatrick switch (Triple2.getSubArch()) { 820e5dd7070Spatrick case llvm::Triple::ARMSubArch_v7: 821e5dd7070Spatrick CmdArgs.push_back("-mfpu=neon"); 822e5dd7070Spatrick break; 823e5dd7070Spatrick case llvm::Triple::ARMSubArch_v8: 824e5dd7070Spatrick CmdArgs.push_back("-mfpu=crypto-neon-fp-armv8"); 825e5dd7070Spatrick break; 826e5dd7070Spatrick default: 827e5dd7070Spatrick break; 828e5dd7070Spatrick } 829e5dd7070Spatrick 830e5dd7070Spatrick switch (arm::getARMFloatABI(getToolChain(), Args)) { 831e5dd7070Spatrick case arm::FloatABI::Invalid: llvm_unreachable("must have an ABI!"); 832e5dd7070Spatrick case arm::FloatABI::Soft: 833e5dd7070Spatrick CmdArgs.push_back(Args.MakeArgString("-mfloat-abi=soft")); 834e5dd7070Spatrick break; 835e5dd7070Spatrick case arm::FloatABI::SoftFP: 836e5dd7070Spatrick CmdArgs.push_back(Args.MakeArgString("-mfloat-abi=softfp")); 837e5dd7070Spatrick break; 838e5dd7070Spatrick case arm::FloatABI::Hard: 839e5dd7070Spatrick CmdArgs.push_back(Args.MakeArgString("-mfloat-abi=hard")); 840e5dd7070Spatrick break; 841e5dd7070Spatrick } 842e5dd7070Spatrick 843e5dd7070Spatrick Args.AddLastArg(CmdArgs, options::OPT_march_EQ); 844e5dd7070Spatrick normalizeCPUNamesForAssembler(Args, CmdArgs); 845e5dd7070Spatrick 846e5dd7070Spatrick Args.AddLastArg(CmdArgs, options::OPT_mfpu_EQ); 847e5dd7070Spatrick break; 848e5dd7070Spatrick } 849e5dd7070Spatrick case llvm::Triple::aarch64: 850e5dd7070Spatrick case llvm::Triple::aarch64_be: { 851e5dd7070Spatrick CmdArgs.push_back( 852e5dd7070Spatrick getToolChain().getArch() == llvm::Triple::aarch64_be ? "-EB" : "-EL"); 853e5dd7070Spatrick Args.AddLastArg(CmdArgs, options::OPT_march_EQ); 854e5dd7070Spatrick normalizeCPUNamesForAssembler(Args, CmdArgs); 855e5dd7070Spatrick 856e5dd7070Spatrick break; 857e5dd7070Spatrick } 858e5dd7070Spatrick case llvm::Triple::mips: 859e5dd7070Spatrick case llvm::Triple::mipsel: 860e5dd7070Spatrick case llvm::Triple::mips64: 861e5dd7070Spatrick case llvm::Triple::mips64el: { 862e5dd7070Spatrick StringRef CPUName; 863e5dd7070Spatrick StringRef ABIName; 864e5dd7070Spatrick mips::getMipsCPUAndABI(Args, getToolChain().getTriple(), CPUName, ABIName); 865e5dd7070Spatrick ABIName = mips::getGnuCompatibleMipsABIName(ABIName); 866e5dd7070Spatrick 867e5dd7070Spatrick CmdArgs.push_back("-march"); 868e5dd7070Spatrick CmdArgs.push_back(CPUName.data()); 869e5dd7070Spatrick 870e5dd7070Spatrick CmdArgs.push_back("-mabi"); 871e5dd7070Spatrick CmdArgs.push_back(ABIName.data()); 872e5dd7070Spatrick 873e5dd7070Spatrick // -mno-shared should be emitted unless -fpic, -fpie, -fPIC, -fPIE, 874e5dd7070Spatrick // or -mshared (not implemented) is in effect. 875e5dd7070Spatrick if (RelocationModel == llvm::Reloc::Static) 876e5dd7070Spatrick CmdArgs.push_back("-mno-shared"); 877e5dd7070Spatrick 878e5dd7070Spatrick // LLVM doesn't support -mplt yet and acts as if it is always given. 879e5dd7070Spatrick // However, -mplt has no effect with the N64 ABI. 880e5dd7070Spatrick if (ABIName != "64" && !Args.hasArg(options::OPT_mno_abicalls)) 881e5dd7070Spatrick CmdArgs.push_back("-call_nonpic"); 882e5dd7070Spatrick 883e5dd7070Spatrick if (getToolChain().getTriple().isLittleEndian()) 884e5dd7070Spatrick CmdArgs.push_back("-EL"); 885e5dd7070Spatrick else 886e5dd7070Spatrick CmdArgs.push_back("-EB"); 887e5dd7070Spatrick 888e5dd7070Spatrick if (Arg *A = Args.getLastArg(options::OPT_mnan_EQ)) { 889e5dd7070Spatrick if (StringRef(A->getValue()) == "2008") 890e5dd7070Spatrick CmdArgs.push_back(Args.MakeArgString("-mnan=2008")); 891e5dd7070Spatrick } 892e5dd7070Spatrick 893e5dd7070Spatrick // Add the last -mfp32/-mfpxx/-mfp64 or -mfpxx if it is enabled by default. 894e5dd7070Spatrick if (Arg *A = Args.getLastArg(options::OPT_mfp32, options::OPT_mfpxx, 895e5dd7070Spatrick options::OPT_mfp64)) { 896e5dd7070Spatrick A->claim(); 897e5dd7070Spatrick A->render(Args, CmdArgs); 898e5dd7070Spatrick } else if (mips::shouldUseFPXX( 899e5dd7070Spatrick Args, getToolChain().getTriple(), CPUName, ABIName, 900e5dd7070Spatrick mips::getMipsFloatABI(getToolChain().getDriver(), Args, 901e5dd7070Spatrick getToolChain().getTriple()))) 902e5dd7070Spatrick CmdArgs.push_back("-mfpxx"); 903e5dd7070Spatrick 904e5dd7070Spatrick // Pass on -mmips16 or -mno-mips16. However, the assembler equivalent of 905e5dd7070Spatrick // -mno-mips16 is actually -no-mips16. 906e5dd7070Spatrick if (Arg *A = 907e5dd7070Spatrick Args.getLastArg(options::OPT_mips16, options::OPT_mno_mips16)) { 908e5dd7070Spatrick if (A->getOption().matches(options::OPT_mips16)) { 909e5dd7070Spatrick A->claim(); 910e5dd7070Spatrick A->render(Args, CmdArgs); 911e5dd7070Spatrick } else { 912e5dd7070Spatrick A->claim(); 913e5dd7070Spatrick CmdArgs.push_back("-no-mips16"); 914e5dd7070Spatrick } 915e5dd7070Spatrick } 916e5dd7070Spatrick 917e5dd7070Spatrick Args.AddLastArg(CmdArgs, options::OPT_mmicromips, 918e5dd7070Spatrick options::OPT_mno_micromips); 919e5dd7070Spatrick Args.AddLastArg(CmdArgs, options::OPT_mdsp, options::OPT_mno_dsp); 920e5dd7070Spatrick Args.AddLastArg(CmdArgs, options::OPT_mdspr2, options::OPT_mno_dspr2); 921e5dd7070Spatrick 922e5dd7070Spatrick if (Arg *A = Args.getLastArg(options::OPT_mmsa, options::OPT_mno_msa)) { 923e5dd7070Spatrick // Do not use AddLastArg because not all versions of MIPS assembler 924e5dd7070Spatrick // support -mmsa / -mno-msa options. 925e5dd7070Spatrick if (A->getOption().matches(options::OPT_mmsa)) 926e5dd7070Spatrick CmdArgs.push_back(Args.MakeArgString("-mmsa")); 927e5dd7070Spatrick } 928e5dd7070Spatrick 929e5dd7070Spatrick Args.AddLastArg(CmdArgs, options::OPT_mhard_float, 930e5dd7070Spatrick options::OPT_msoft_float); 931e5dd7070Spatrick 932e5dd7070Spatrick Args.AddLastArg(CmdArgs, options::OPT_mdouble_float, 933e5dd7070Spatrick options::OPT_msingle_float); 934e5dd7070Spatrick 935e5dd7070Spatrick Args.AddLastArg(CmdArgs, options::OPT_modd_spreg, 936e5dd7070Spatrick options::OPT_mno_odd_spreg); 937e5dd7070Spatrick 938e5dd7070Spatrick AddAssemblerKPIC(getToolChain(), Args, CmdArgs); 939e5dd7070Spatrick break; 940e5dd7070Spatrick } 941e5dd7070Spatrick case llvm::Triple::systemz: { 942e5dd7070Spatrick // Always pass an -march option, since our default of z10 is later 943e5dd7070Spatrick // than the GNU assembler's default. 944e5dd7070Spatrick std::string CPUName = systemz::getSystemZTargetCPU(Args); 945e5dd7070Spatrick CmdArgs.push_back(Args.MakeArgString("-march=" + CPUName)); 946e5dd7070Spatrick break; 947e5dd7070Spatrick } 948ec727ea7Spatrick case llvm::Triple::ve: 949ec727ea7Spatrick DefaultAssembler = "nas"; 950e5dd7070Spatrick } 951e5dd7070Spatrick 952e5dd7070Spatrick for (const Arg *A : Args.filtered(options::OPT_ffile_prefix_map_EQ, 953e5dd7070Spatrick options::OPT_fdebug_prefix_map_EQ)) { 954e5dd7070Spatrick StringRef Map = A->getValue(); 955*7a9b00ceSrobert if (!Map.contains('=')) 956e5dd7070Spatrick D.Diag(diag::err_drv_invalid_argument_to_option) 957e5dd7070Spatrick << Map << A->getOption().getName(); 958e5dd7070Spatrick else { 959e5dd7070Spatrick CmdArgs.push_back(Args.MakeArgString("--debug-prefix-map")); 960e5dd7070Spatrick CmdArgs.push_back(Args.MakeArgString(Map)); 961e5dd7070Spatrick } 962e5dd7070Spatrick A->claim(); 963e5dd7070Spatrick } 964e5dd7070Spatrick 965e5dd7070Spatrick Args.AddAllArgs(CmdArgs, options::OPT_I); 966e5dd7070Spatrick Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA, options::OPT_Xassembler); 967e5dd7070Spatrick 968e5dd7070Spatrick CmdArgs.push_back("-o"); 969e5dd7070Spatrick CmdArgs.push_back(Output.getFilename()); 970e5dd7070Spatrick 971e5dd7070Spatrick for (const auto &II : Inputs) 972e5dd7070Spatrick CmdArgs.push_back(II.getFilename()); 973e5dd7070Spatrick 974*7a9b00ceSrobert if (Arg *A = Args.getLastArg(options::OPT_g_Flag, options::OPT_gN_Group, 975*7a9b00ceSrobert options::OPT_gdwarf_2, options::OPT_gdwarf_3, 976*7a9b00ceSrobert options::OPT_gdwarf_4, options::OPT_gdwarf_5, 977*7a9b00ceSrobert options::OPT_gdwarf)) 978*7a9b00ceSrobert if (!A->getOption().matches(options::OPT_g0)) { 979*7a9b00ceSrobert Args.AddLastArg(CmdArgs, options::OPT_g_Flag); 980*7a9b00ceSrobert 981*7a9b00ceSrobert unsigned DwarfVersion = getDwarfVersion(getToolChain(), Args); 982*7a9b00ceSrobert CmdArgs.push_back(Args.MakeArgString("-gdwarf-" + Twine(DwarfVersion))); 983*7a9b00ceSrobert } 984*7a9b00ceSrobert 985ec727ea7Spatrick const char *Exec = 986ec727ea7Spatrick Args.MakeArgString(getToolChain().GetProgramPath(DefaultAssembler)); 987a0747c9fSpatrick C.addCommand(std::make_unique<Command>(JA, *this, 988a0747c9fSpatrick ResponseFileSupport::AtFileCurCP(), 989a0747c9fSpatrick Exec, CmdArgs, Inputs, Output)); 990e5dd7070Spatrick 991e5dd7070Spatrick // Handle the debug info splitting at object creation time if we're 992e5dd7070Spatrick // creating an object. 993e5dd7070Spatrick // TODO: Currently only works on linux with newer objcopy. 994e5dd7070Spatrick if (Args.hasArg(options::OPT_gsplit_dwarf) && 995e5dd7070Spatrick getToolChain().getTriple().isOSLinux()) 996e5dd7070Spatrick SplitDebugInfo(getToolChain(), C, *this, JA, Args, Output, 997a0747c9fSpatrick SplitDebugName(JA, Args, Inputs[0], Output)); 998e5dd7070Spatrick } 999e5dd7070Spatrick 1000e5dd7070Spatrick namespace { 1001e5dd7070Spatrick // Filter to remove Multilibs that don't exist as a suffix to Path 1002e5dd7070Spatrick class FilterNonExistent { 1003e5dd7070Spatrick StringRef Base, File; 1004e5dd7070Spatrick llvm::vfs::FileSystem &VFS; 1005e5dd7070Spatrick 1006e5dd7070Spatrick public: 1007e5dd7070Spatrick FilterNonExistent(StringRef Base, StringRef File, llvm::vfs::FileSystem &VFS) 1008e5dd7070Spatrick : Base(Base), File(File), VFS(VFS) {} 1009e5dd7070Spatrick bool operator()(const Multilib &M) { 1010e5dd7070Spatrick return !VFS.exists(Base + M.gccSuffix() + File); 1011e5dd7070Spatrick } 1012e5dd7070Spatrick }; 1013e5dd7070Spatrick } // end anonymous namespace 1014e5dd7070Spatrick 1015e5dd7070Spatrick static bool isSoftFloatABI(const ArgList &Args) { 1016e5dd7070Spatrick Arg *A = Args.getLastArg(options::OPT_msoft_float, options::OPT_mhard_float, 1017e5dd7070Spatrick options::OPT_mfloat_abi_EQ); 1018e5dd7070Spatrick if (!A) 1019e5dd7070Spatrick return false; 1020e5dd7070Spatrick 1021e5dd7070Spatrick return A->getOption().matches(options::OPT_msoft_float) || 1022e5dd7070Spatrick (A->getOption().matches(options::OPT_mfloat_abi_EQ) && 1023e5dd7070Spatrick A->getValue() == StringRef("soft")); 1024e5dd7070Spatrick } 1025e5dd7070Spatrick 1026e5dd7070Spatrick static bool isArmOrThumbArch(llvm::Triple::ArchType Arch) { 1027e5dd7070Spatrick return Arch == llvm::Triple::arm || Arch == llvm::Triple::thumb; 1028e5dd7070Spatrick } 1029e5dd7070Spatrick 1030e5dd7070Spatrick static bool isMipsEL(llvm::Triple::ArchType Arch) { 1031e5dd7070Spatrick return Arch == llvm::Triple::mipsel || Arch == llvm::Triple::mips64el; 1032e5dd7070Spatrick } 1033e5dd7070Spatrick 1034e5dd7070Spatrick static bool isMips16(const ArgList &Args) { 1035e5dd7070Spatrick Arg *A = Args.getLastArg(options::OPT_mips16, options::OPT_mno_mips16); 1036e5dd7070Spatrick return A && A->getOption().matches(options::OPT_mips16); 1037e5dd7070Spatrick } 1038e5dd7070Spatrick 1039e5dd7070Spatrick static bool isMicroMips(const ArgList &Args) { 1040e5dd7070Spatrick Arg *A = Args.getLastArg(options::OPT_mmicromips, options::OPT_mno_micromips); 1041e5dd7070Spatrick return A && A->getOption().matches(options::OPT_mmicromips); 1042e5dd7070Spatrick } 1043e5dd7070Spatrick 1044e5dd7070Spatrick static bool isMSP430(llvm::Triple::ArchType Arch) { 1045e5dd7070Spatrick return Arch == llvm::Triple::msp430; 1046e5dd7070Spatrick } 1047e5dd7070Spatrick 1048e5dd7070Spatrick static Multilib makeMultilib(StringRef commonSuffix) { 1049e5dd7070Spatrick return Multilib(commonSuffix, commonSuffix, commonSuffix); 1050e5dd7070Spatrick } 1051e5dd7070Spatrick 1052e5dd7070Spatrick static bool findMipsCsMultilibs(const Multilib::flags_list &Flags, 1053e5dd7070Spatrick FilterNonExistent &NonExistent, 1054e5dd7070Spatrick DetectedMultilibs &Result) { 1055e5dd7070Spatrick // Check for Code Sourcery toolchain multilibs 1056e5dd7070Spatrick MultilibSet CSMipsMultilibs; 1057e5dd7070Spatrick { 1058e5dd7070Spatrick auto MArchMips16 = makeMultilib("/mips16").flag("+m32").flag("+mips16"); 1059e5dd7070Spatrick 1060e5dd7070Spatrick auto MArchMicroMips = 1061e5dd7070Spatrick makeMultilib("/micromips").flag("+m32").flag("+mmicromips"); 1062e5dd7070Spatrick 1063e5dd7070Spatrick auto MArchDefault = makeMultilib("").flag("-mips16").flag("-mmicromips"); 1064e5dd7070Spatrick 1065e5dd7070Spatrick auto UCLibc = makeMultilib("/uclibc").flag("+muclibc"); 1066e5dd7070Spatrick 1067e5dd7070Spatrick auto SoftFloat = makeMultilib("/soft-float").flag("+msoft-float"); 1068e5dd7070Spatrick 1069e5dd7070Spatrick auto Nan2008 = makeMultilib("/nan2008").flag("+mnan=2008"); 1070e5dd7070Spatrick 1071e5dd7070Spatrick auto DefaultFloat = 1072e5dd7070Spatrick makeMultilib("").flag("-msoft-float").flag("-mnan=2008"); 1073e5dd7070Spatrick 1074e5dd7070Spatrick auto BigEndian = makeMultilib("").flag("+EB").flag("-EL"); 1075e5dd7070Spatrick 1076e5dd7070Spatrick auto LittleEndian = makeMultilib("/el").flag("+EL").flag("-EB"); 1077e5dd7070Spatrick 1078e5dd7070Spatrick // Note that this one's osSuffix is "" 1079e5dd7070Spatrick auto MAbi64 = makeMultilib("") 1080e5dd7070Spatrick .gccSuffix("/64") 1081e5dd7070Spatrick .includeSuffix("/64") 1082e5dd7070Spatrick .flag("+mabi=n64") 1083e5dd7070Spatrick .flag("-mabi=n32") 1084e5dd7070Spatrick .flag("-m32"); 1085e5dd7070Spatrick 1086e5dd7070Spatrick CSMipsMultilibs = 1087e5dd7070Spatrick MultilibSet() 1088e5dd7070Spatrick .Either(MArchMips16, MArchMicroMips, MArchDefault) 1089e5dd7070Spatrick .Maybe(UCLibc) 1090e5dd7070Spatrick .Either(SoftFloat, Nan2008, DefaultFloat) 1091e5dd7070Spatrick .FilterOut("/micromips/nan2008") 1092e5dd7070Spatrick .FilterOut("/mips16/nan2008") 1093e5dd7070Spatrick .Either(BigEndian, LittleEndian) 1094e5dd7070Spatrick .Maybe(MAbi64) 1095e5dd7070Spatrick .FilterOut("/mips16.*/64") 1096e5dd7070Spatrick .FilterOut("/micromips.*/64") 1097e5dd7070Spatrick .FilterOut(NonExistent) 1098e5dd7070Spatrick .setIncludeDirsCallback([](const Multilib &M) { 1099e5dd7070Spatrick std::vector<std::string> Dirs({"/include"}); 1100e5dd7070Spatrick if (StringRef(M.includeSuffix()).startswith("/uclibc")) 1101e5dd7070Spatrick Dirs.push_back( 1102e5dd7070Spatrick "/../../../../mips-linux-gnu/libc/uclibc/usr/include"); 1103e5dd7070Spatrick else 1104e5dd7070Spatrick Dirs.push_back("/../../../../mips-linux-gnu/libc/usr/include"); 1105e5dd7070Spatrick return Dirs; 1106e5dd7070Spatrick }); 1107e5dd7070Spatrick } 1108e5dd7070Spatrick 1109e5dd7070Spatrick MultilibSet DebianMipsMultilibs; 1110e5dd7070Spatrick { 1111e5dd7070Spatrick Multilib MAbiN32 = 1112e5dd7070Spatrick Multilib().gccSuffix("/n32").includeSuffix("/n32").flag("+mabi=n32"); 1113e5dd7070Spatrick 1114e5dd7070Spatrick Multilib M64 = Multilib() 1115e5dd7070Spatrick .gccSuffix("/64") 1116e5dd7070Spatrick .includeSuffix("/64") 1117e5dd7070Spatrick .flag("+m64") 1118e5dd7070Spatrick .flag("-m32") 1119e5dd7070Spatrick .flag("-mabi=n32"); 1120e5dd7070Spatrick 1121*7a9b00ceSrobert Multilib M32 = 1122*7a9b00ceSrobert Multilib().gccSuffix("/32").flag("-m64").flag("+m32").flag("-mabi=n32"); 1123e5dd7070Spatrick 1124e5dd7070Spatrick DebianMipsMultilibs = 1125e5dd7070Spatrick MultilibSet().Either(M32, M64, MAbiN32).FilterOut(NonExistent); 1126e5dd7070Spatrick } 1127e5dd7070Spatrick 1128e5dd7070Spatrick // Sort candidates. Toolchain that best meets the directories tree goes first. 1129e5dd7070Spatrick // Then select the first toolchains matches command line flags. 1130e5dd7070Spatrick MultilibSet *Candidates[] = {&CSMipsMultilibs, &DebianMipsMultilibs}; 1131e5dd7070Spatrick if (CSMipsMultilibs.size() < DebianMipsMultilibs.size()) 1132e5dd7070Spatrick std::iter_swap(Candidates, Candidates + 1); 1133e5dd7070Spatrick for (const MultilibSet *Candidate : Candidates) { 1134e5dd7070Spatrick if (Candidate->select(Flags, Result.SelectedMultilib)) { 1135e5dd7070Spatrick if (Candidate == &DebianMipsMultilibs) 1136e5dd7070Spatrick Result.BiarchSibling = Multilib(); 1137e5dd7070Spatrick Result.Multilibs = *Candidate; 1138e5dd7070Spatrick return true; 1139e5dd7070Spatrick } 1140e5dd7070Spatrick } 1141e5dd7070Spatrick return false; 1142e5dd7070Spatrick } 1143e5dd7070Spatrick 1144e5dd7070Spatrick static bool findMipsAndroidMultilibs(llvm::vfs::FileSystem &VFS, StringRef Path, 1145e5dd7070Spatrick const Multilib::flags_list &Flags, 1146e5dd7070Spatrick FilterNonExistent &NonExistent, 1147e5dd7070Spatrick DetectedMultilibs &Result) { 1148e5dd7070Spatrick 1149e5dd7070Spatrick MultilibSet AndroidMipsMultilibs = 1150e5dd7070Spatrick MultilibSet() 1151e5dd7070Spatrick .Maybe(Multilib("/mips-r2").flag("+march=mips32r2")) 1152e5dd7070Spatrick .Maybe(Multilib("/mips-r6").flag("+march=mips32r6")) 1153e5dd7070Spatrick .FilterOut(NonExistent); 1154e5dd7070Spatrick 1155e5dd7070Spatrick MultilibSet AndroidMipselMultilibs = 1156e5dd7070Spatrick MultilibSet() 1157e5dd7070Spatrick .Either(Multilib().flag("+march=mips32"), 1158e5dd7070Spatrick Multilib("/mips-r2", "", "/mips-r2").flag("+march=mips32r2"), 1159e5dd7070Spatrick Multilib("/mips-r6", "", "/mips-r6").flag("+march=mips32r6")) 1160e5dd7070Spatrick .FilterOut(NonExistent); 1161e5dd7070Spatrick 1162e5dd7070Spatrick MultilibSet AndroidMips64elMultilibs = 1163e5dd7070Spatrick MultilibSet() 1164e5dd7070Spatrick .Either( 1165e5dd7070Spatrick Multilib().flag("+march=mips64r6"), 1166e5dd7070Spatrick Multilib("/32/mips-r1", "", "/mips-r1").flag("+march=mips32"), 1167e5dd7070Spatrick Multilib("/32/mips-r2", "", "/mips-r2").flag("+march=mips32r2"), 1168e5dd7070Spatrick Multilib("/32/mips-r6", "", "/mips-r6").flag("+march=mips32r6")) 1169e5dd7070Spatrick .FilterOut(NonExistent); 1170e5dd7070Spatrick 1171e5dd7070Spatrick MultilibSet *MS = &AndroidMipsMultilibs; 1172e5dd7070Spatrick if (VFS.exists(Path + "/mips-r6")) 1173e5dd7070Spatrick MS = &AndroidMipselMultilibs; 1174e5dd7070Spatrick else if (VFS.exists(Path + "/32")) 1175e5dd7070Spatrick MS = &AndroidMips64elMultilibs; 1176e5dd7070Spatrick if (MS->select(Flags, Result.SelectedMultilib)) { 1177e5dd7070Spatrick Result.Multilibs = *MS; 1178e5dd7070Spatrick return true; 1179e5dd7070Spatrick } 1180e5dd7070Spatrick return false; 1181e5dd7070Spatrick } 1182e5dd7070Spatrick 1183e5dd7070Spatrick static bool findMipsMuslMultilibs(const Multilib::flags_list &Flags, 1184e5dd7070Spatrick FilterNonExistent &NonExistent, 1185e5dd7070Spatrick DetectedMultilibs &Result) { 1186e5dd7070Spatrick // Musl toolchain multilibs 1187e5dd7070Spatrick MultilibSet MuslMipsMultilibs; 1188e5dd7070Spatrick { 1189e5dd7070Spatrick auto MArchMipsR2 = makeMultilib("") 1190e5dd7070Spatrick .osSuffix("/mips-r2-hard-musl") 1191e5dd7070Spatrick .flag("+EB") 1192e5dd7070Spatrick .flag("-EL") 1193e5dd7070Spatrick .flag("+march=mips32r2"); 1194e5dd7070Spatrick 1195e5dd7070Spatrick auto MArchMipselR2 = makeMultilib("/mipsel-r2-hard-musl") 1196e5dd7070Spatrick .flag("-EB") 1197e5dd7070Spatrick .flag("+EL") 1198e5dd7070Spatrick .flag("+march=mips32r2"); 1199e5dd7070Spatrick 1200e5dd7070Spatrick MuslMipsMultilibs = MultilibSet().Either(MArchMipsR2, MArchMipselR2); 1201e5dd7070Spatrick 1202e5dd7070Spatrick // Specify the callback that computes the include directories. 1203e5dd7070Spatrick MuslMipsMultilibs.setIncludeDirsCallback([](const Multilib &M) { 1204e5dd7070Spatrick return std::vector<std::string>( 1205e5dd7070Spatrick {"/../sysroot" + M.osSuffix() + "/usr/include"}); 1206e5dd7070Spatrick }); 1207e5dd7070Spatrick } 1208e5dd7070Spatrick if (MuslMipsMultilibs.select(Flags, Result.SelectedMultilib)) { 1209e5dd7070Spatrick Result.Multilibs = MuslMipsMultilibs; 1210e5dd7070Spatrick return true; 1211e5dd7070Spatrick } 1212e5dd7070Spatrick return false; 1213e5dd7070Spatrick } 1214e5dd7070Spatrick 1215e5dd7070Spatrick static bool findMipsMtiMultilibs(const Multilib::flags_list &Flags, 1216e5dd7070Spatrick FilterNonExistent &NonExistent, 1217e5dd7070Spatrick DetectedMultilibs &Result) { 1218e5dd7070Spatrick // CodeScape MTI toolchain v1.2 and early. 1219e5dd7070Spatrick MultilibSet MtiMipsMultilibsV1; 1220e5dd7070Spatrick { 1221e5dd7070Spatrick auto MArchMips32 = makeMultilib("/mips32") 1222e5dd7070Spatrick .flag("+m32") 1223e5dd7070Spatrick .flag("-m64") 1224e5dd7070Spatrick .flag("-mmicromips") 1225e5dd7070Spatrick .flag("+march=mips32"); 1226e5dd7070Spatrick 1227e5dd7070Spatrick auto MArchMicroMips = makeMultilib("/micromips") 1228e5dd7070Spatrick .flag("+m32") 1229e5dd7070Spatrick .flag("-m64") 1230e5dd7070Spatrick .flag("+mmicromips"); 1231e5dd7070Spatrick 1232e5dd7070Spatrick auto MArchMips64r2 = makeMultilib("/mips64r2") 1233e5dd7070Spatrick .flag("-m32") 1234e5dd7070Spatrick .flag("+m64") 1235e5dd7070Spatrick .flag("+march=mips64r2"); 1236e5dd7070Spatrick 1237e5dd7070Spatrick auto MArchMips64 = makeMultilib("/mips64").flag("-m32").flag("+m64").flag( 1238e5dd7070Spatrick "-march=mips64r2"); 1239e5dd7070Spatrick 1240e5dd7070Spatrick auto MArchDefault = makeMultilib("") 1241e5dd7070Spatrick .flag("+m32") 1242e5dd7070Spatrick .flag("-m64") 1243e5dd7070Spatrick .flag("-mmicromips") 1244e5dd7070Spatrick .flag("+march=mips32r2"); 1245e5dd7070Spatrick 1246e5dd7070Spatrick auto Mips16 = makeMultilib("/mips16").flag("+mips16"); 1247e5dd7070Spatrick 1248e5dd7070Spatrick auto UCLibc = makeMultilib("/uclibc").flag("+muclibc"); 1249e5dd7070Spatrick 1250e5dd7070Spatrick auto MAbi64 = 1251e5dd7070Spatrick makeMultilib("/64").flag("+mabi=n64").flag("-mabi=n32").flag("-m32"); 1252e5dd7070Spatrick 1253e5dd7070Spatrick auto BigEndian = makeMultilib("").flag("+EB").flag("-EL"); 1254e5dd7070Spatrick 1255e5dd7070Spatrick auto LittleEndian = makeMultilib("/el").flag("+EL").flag("-EB"); 1256e5dd7070Spatrick 1257e5dd7070Spatrick auto SoftFloat = makeMultilib("/sof").flag("+msoft-float"); 1258e5dd7070Spatrick 1259e5dd7070Spatrick auto Nan2008 = makeMultilib("/nan2008").flag("+mnan=2008"); 1260e5dd7070Spatrick 1261e5dd7070Spatrick MtiMipsMultilibsV1 = 1262e5dd7070Spatrick MultilibSet() 1263e5dd7070Spatrick .Either(MArchMips32, MArchMicroMips, MArchMips64r2, MArchMips64, 1264e5dd7070Spatrick MArchDefault) 1265e5dd7070Spatrick .Maybe(UCLibc) 1266e5dd7070Spatrick .Maybe(Mips16) 1267e5dd7070Spatrick .FilterOut("/mips64/mips16") 1268e5dd7070Spatrick .FilterOut("/mips64r2/mips16") 1269e5dd7070Spatrick .FilterOut("/micromips/mips16") 1270e5dd7070Spatrick .Maybe(MAbi64) 1271e5dd7070Spatrick .FilterOut("/micromips/64") 1272e5dd7070Spatrick .FilterOut("/mips32/64") 1273e5dd7070Spatrick .FilterOut("^/64") 1274e5dd7070Spatrick .FilterOut("/mips16/64") 1275e5dd7070Spatrick .Either(BigEndian, LittleEndian) 1276e5dd7070Spatrick .Maybe(SoftFloat) 1277e5dd7070Spatrick .Maybe(Nan2008) 1278e5dd7070Spatrick .FilterOut(".*sof/nan2008") 1279e5dd7070Spatrick .FilterOut(NonExistent) 1280e5dd7070Spatrick .setIncludeDirsCallback([](const Multilib &M) { 1281e5dd7070Spatrick std::vector<std::string> Dirs({"/include"}); 1282e5dd7070Spatrick if (StringRef(M.includeSuffix()).startswith("/uclibc")) 1283e5dd7070Spatrick Dirs.push_back("/../../../../sysroot/uclibc/usr/include"); 1284e5dd7070Spatrick else 1285e5dd7070Spatrick Dirs.push_back("/../../../../sysroot/usr/include"); 1286e5dd7070Spatrick return Dirs; 1287e5dd7070Spatrick }); 1288e5dd7070Spatrick } 1289e5dd7070Spatrick 1290e5dd7070Spatrick // CodeScape IMG toolchain starting from v1.3. 1291e5dd7070Spatrick MultilibSet MtiMipsMultilibsV2; 1292e5dd7070Spatrick { 1293e5dd7070Spatrick auto BeHard = makeMultilib("/mips-r2-hard") 1294e5dd7070Spatrick .flag("+EB") 1295e5dd7070Spatrick .flag("-msoft-float") 1296e5dd7070Spatrick .flag("-mnan=2008") 1297e5dd7070Spatrick .flag("-muclibc"); 1298e5dd7070Spatrick auto BeSoft = makeMultilib("/mips-r2-soft") 1299e5dd7070Spatrick .flag("+EB") 1300e5dd7070Spatrick .flag("+msoft-float") 1301e5dd7070Spatrick .flag("-mnan=2008"); 1302e5dd7070Spatrick auto ElHard = makeMultilib("/mipsel-r2-hard") 1303e5dd7070Spatrick .flag("+EL") 1304e5dd7070Spatrick .flag("-msoft-float") 1305e5dd7070Spatrick .flag("-mnan=2008") 1306e5dd7070Spatrick .flag("-muclibc"); 1307e5dd7070Spatrick auto ElSoft = makeMultilib("/mipsel-r2-soft") 1308e5dd7070Spatrick .flag("+EL") 1309e5dd7070Spatrick .flag("+msoft-float") 1310e5dd7070Spatrick .flag("-mnan=2008") 1311e5dd7070Spatrick .flag("-mmicromips"); 1312e5dd7070Spatrick auto BeHardNan = makeMultilib("/mips-r2-hard-nan2008") 1313e5dd7070Spatrick .flag("+EB") 1314e5dd7070Spatrick .flag("-msoft-float") 1315e5dd7070Spatrick .flag("+mnan=2008") 1316e5dd7070Spatrick .flag("-muclibc"); 1317e5dd7070Spatrick auto ElHardNan = makeMultilib("/mipsel-r2-hard-nan2008") 1318e5dd7070Spatrick .flag("+EL") 1319e5dd7070Spatrick .flag("-msoft-float") 1320e5dd7070Spatrick .flag("+mnan=2008") 1321e5dd7070Spatrick .flag("-muclibc") 1322e5dd7070Spatrick .flag("-mmicromips"); 1323e5dd7070Spatrick auto BeHardNanUclibc = makeMultilib("/mips-r2-hard-nan2008-uclibc") 1324e5dd7070Spatrick .flag("+EB") 1325e5dd7070Spatrick .flag("-msoft-float") 1326e5dd7070Spatrick .flag("+mnan=2008") 1327e5dd7070Spatrick .flag("+muclibc"); 1328e5dd7070Spatrick auto ElHardNanUclibc = makeMultilib("/mipsel-r2-hard-nan2008-uclibc") 1329e5dd7070Spatrick .flag("+EL") 1330e5dd7070Spatrick .flag("-msoft-float") 1331e5dd7070Spatrick .flag("+mnan=2008") 1332e5dd7070Spatrick .flag("+muclibc"); 1333e5dd7070Spatrick auto BeHardUclibc = makeMultilib("/mips-r2-hard-uclibc") 1334e5dd7070Spatrick .flag("+EB") 1335e5dd7070Spatrick .flag("-msoft-float") 1336e5dd7070Spatrick .flag("-mnan=2008") 1337e5dd7070Spatrick .flag("+muclibc"); 1338e5dd7070Spatrick auto ElHardUclibc = makeMultilib("/mipsel-r2-hard-uclibc") 1339e5dd7070Spatrick .flag("+EL") 1340e5dd7070Spatrick .flag("-msoft-float") 1341e5dd7070Spatrick .flag("-mnan=2008") 1342e5dd7070Spatrick .flag("+muclibc"); 1343e5dd7070Spatrick auto ElMicroHardNan = makeMultilib("/micromipsel-r2-hard-nan2008") 1344e5dd7070Spatrick .flag("+EL") 1345e5dd7070Spatrick .flag("-msoft-float") 1346e5dd7070Spatrick .flag("+mnan=2008") 1347e5dd7070Spatrick .flag("+mmicromips"); 1348e5dd7070Spatrick auto ElMicroSoft = makeMultilib("/micromipsel-r2-soft") 1349e5dd7070Spatrick .flag("+EL") 1350e5dd7070Spatrick .flag("+msoft-float") 1351e5dd7070Spatrick .flag("-mnan=2008") 1352e5dd7070Spatrick .flag("+mmicromips"); 1353e5dd7070Spatrick 1354e5dd7070Spatrick auto O32 = 1355e5dd7070Spatrick makeMultilib("/lib").osSuffix("").flag("-mabi=n32").flag("-mabi=n64"); 1356e5dd7070Spatrick auto N32 = 1357e5dd7070Spatrick makeMultilib("/lib32").osSuffix("").flag("+mabi=n32").flag("-mabi=n64"); 1358e5dd7070Spatrick auto N64 = 1359e5dd7070Spatrick makeMultilib("/lib64").osSuffix("").flag("-mabi=n32").flag("+mabi=n64"); 1360e5dd7070Spatrick 1361e5dd7070Spatrick MtiMipsMultilibsV2 = 1362e5dd7070Spatrick MultilibSet() 1363e5dd7070Spatrick .Either({BeHard, BeSoft, ElHard, ElSoft, BeHardNan, ElHardNan, 1364e5dd7070Spatrick BeHardNanUclibc, ElHardNanUclibc, BeHardUclibc, 1365e5dd7070Spatrick ElHardUclibc, ElMicroHardNan, ElMicroSoft}) 1366e5dd7070Spatrick .Either(O32, N32, N64) 1367e5dd7070Spatrick .FilterOut(NonExistent) 1368e5dd7070Spatrick .setIncludeDirsCallback([](const Multilib &M) { 1369e5dd7070Spatrick return std::vector<std::string>({"/../../../../sysroot" + 1370e5dd7070Spatrick M.includeSuffix() + 1371e5dd7070Spatrick "/../usr/include"}); 1372e5dd7070Spatrick }) 1373e5dd7070Spatrick .setFilePathsCallback([](const Multilib &M) { 1374e5dd7070Spatrick return std::vector<std::string>( 1375e5dd7070Spatrick {"/../../../../mips-mti-linux-gnu/lib" + M.gccSuffix()}); 1376e5dd7070Spatrick }); 1377e5dd7070Spatrick } 1378*7a9b00ceSrobert for (auto *Candidate : {&MtiMipsMultilibsV1, &MtiMipsMultilibsV2}) { 1379e5dd7070Spatrick if (Candidate->select(Flags, Result.SelectedMultilib)) { 1380e5dd7070Spatrick Result.Multilibs = *Candidate; 1381e5dd7070Spatrick return true; 1382e5dd7070Spatrick } 1383e5dd7070Spatrick } 1384e5dd7070Spatrick return false; 1385e5dd7070Spatrick } 1386e5dd7070Spatrick 1387e5dd7070Spatrick static bool findMipsImgMultilibs(const Multilib::flags_list &Flags, 1388e5dd7070Spatrick FilterNonExistent &NonExistent, 1389e5dd7070Spatrick DetectedMultilibs &Result) { 1390e5dd7070Spatrick // CodeScape IMG toolchain v1.2 and early. 1391e5dd7070Spatrick MultilibSet ImgMultilibsV1; 1392e5dd7070Spatrick { 1393e5dd7070Spatrick auto Mips64r6 = makeMultilib("/mips64r6").flag("+m64").flag("-m32"); 1394e5dd7070Spatrick 1395e5dd7070Spatrick auto LittleEndian = makeMultilib("/el").flag("+EL").flag("-EB"); 1396e5dd7070Spatrick 1397e5dd7070Spatrick auto MAbi64 = 1398e5dd7070Spatrick makeMultilib("/64").flag("+mabi=n64").flag("-mabi=n32").flag("-m32"); 1399e5dd7070Spatrick 1400e5dd7070Spatrick ImgMultilibsV1 = 1401e5dd7070Spatrick MultilibSet() 1402e5dd7070Spatrick .Maybe(Mips64r6) 1403e5dd7070Spatrick .Maybe(MAbi64) 1404e5dd7070Spatrick .Maybe(LittleEndian) 1405e5dd7070Spatrick .FilterOut(NonExistent) 1406e5dd7070Spatrick .setIncludeDirsCallback([](const Multilib &M) { 1407e5dd7070Spatrick return std::vector<std::string>( 1408e5dd7070Spatrick {"/include", "/../../../../sysroot/usr/include"}); 1409e5dd7070Spatrick }); 1410e5dd7070Spatrick } 1411e5dd7070Spatrick 1412e5dd7070Spatrick // CodeScape IMG toolchain starting from v1.3. 1413e5dd7070Spatrick MultilibSet ImgMultilibsV2; 1414e5dd7070Spatrick { 1415e5dd7070Spatrick auto BeHard = makeMultilib("/mips-r6-hard") 1416e5dd7070Spatrick .flag("+EB") 1417e5dd7070Spatrick .flag("-msoft-float") 1418e5dd7070Spatrick .flag("-mmicromips"); 1419e5dd7070Spatrick auto BeSoft = makeMultilib("/mips-r6-soft") 1420e5dd7070Spatrick .flag("+EB") 1421e5dd7070Spatrick .flag("+msoft-float") 1422e5dd7070Spatrick .flag("-mmicromips"); 1423e5dd7070Spatrick auto ElHard = makeMultilib("/mipsel-r6-hard") 1424e5dd7070Spatrick .flag("+EL") 1425e5dd7070Spatrick .flag("-msoft-float") 1426e5dd7070Spatrick .flag("-mmicromips"); 1427e5dd7070Spatrick auto ElSoft = makeMultilib("/mipsel-r6-soft") 1428e5dd7070Spatrick .flag("+EL") 1429e5dd7070Spatrick .flag("+msoft-float") 1430e5dd7070Spatrick .flag("-mmicromips"); 1431e5dd7070Spatrick auto BeMicroHard = makeMultilib("/micromips-r6-hard") 1432e5dd7070Spatrick .flag("+EB") 1433e5dd7070Spatrick .flag("-msoft-float") 1434e5dd7070Spatrick .flag("+mmicromips"); 1435e5dd7070Spatrick auto BeMicroSoft = makeMultilib("/micromips-r6-soft") 1436e5dd7070Spatrick .flag("+EB") 1437e5dd7070Spatrick .flag("+msoft-float") 1438e5dd7070Spatrick .flag("+mmicromips"); 1439e5dd7070Spatrick auto ElMicroHard = makeMultilib("/micromipsel-r6-hard") 1440e5dd7070Spatrick .flag("+EL") 1441e5dd7070Spatrick .flag("-msoft-float") 1442e5dd7070Spatrick .flag("+mmicromips"); 1443e5dd7070Spatrick auto ElMicroSoft = makeMultilib("/micromipsel-r6-soft") 1444e5dd7070Spatrick .flag("+EL") 1445e5dd7070Spatrick .flag("+msoft-float") 1446e5dd7070Spatrick .flag("+mmicromips"); 1447e5dd7070Spatrick 1448e5dd7070Spatrick auto O32 = 1449e5dd7070Spatrick makeMultilib("/lib").osSuffix("").flag("-mabi=n32").flag("-mabi=n64"); 1450e5dd7070Spatrick auto N32 = 1451e5dd7070Spatrick makeMultilib("/lib32").osSuffix("").flag("+mabi=n32").flag("-mabi=n64"); 1452e5dd7070Spatrick auto N64 = 1453e5dd7070Spatrick makeMultilib("/lib64").osSuffix("").flag("-mabi=n32").flag("+mabi=n64"); 1454e5dd7070Spatrick 1455e5dd7070Spatrick ImgMultilibsV2 = 1456e5dd7070Spatrick MultilibSet() 1457e5dd7070Spatrick .Either({BeHard, BeSoft, ElHard, ElSoft, BeMicroHard, BeMicroSoft, 1458e5dd7070Spatrick ElMicroHard, ElMicroSoft}) 1459e5dd7070Spatrick .Either(O32, N32, N64) 1460e5dd7070Spatrick .FilterOut(NonExistent) 1461e5dd7070Spatrick .setIncludeDirsCallback([](const Multilib &M) { 1462e5dd7070Spatrick return std::vector<std::string>({"/../../../../sysroot" + 1463e5dd7070Spatrick M.includeSuffix() + 1464e5dd7070Spatrick "/../usr/include"}); 1465e5dd7070Spatrick }) 1466e5dd7070Spatrick .setFilePathsCallback([](const Multilib &M) { 1467e5dd7070Spatrick return std::vector<std::string>( 1468e5dd7070Spatrick {"/../../../../mips-img-linux-gnu/lib" + M.gccSuffix()}); 1469e5dd7070Spatrick }); 1470e5dd7070Spatrick } 1471*7a9b00ceSrobert for (auto *Candidate : {&ImgMultilibsV1, &ImgMultilibsV2}) { 1472e5dd7070Spatrick if (Candidate->select(Flags, Result.SelectedMultilib)) { 1473e5dd7070Spatrick Result.Multilibs = *Candidate; 1474e5dd7070Spatrick return true; 1475e5dd7070Spatrick } 1476e5dd7070Spatrick } 1477e5dd7070Spatrick return false; 1478e5dd7070Spatrick } 1479e5dd7070Spatrick 1480e5dd7070Spatrick bool clang::driver::findMIPSMultilibs(const Driver &D, 1481e5dd7070Spatrick const llvm::Triple &TargetTriple, 1482e5dd7070Spatrick StringRef Path, const ArgList &Args, 1483e5dd7070Spatrick DetectedMultilibs &Result) { 1484e5dd7070Spatrick FilterNonExistent NonExistent(Path, "/crtbegin.o", D.getVFS()); 1485e5dd7070Spatrick 1486e5dd7070Spatrick StringRef CPUName; 1487e5dd7070Spatrick StringRef ABIName; 1488e5dd7070Spatrick tools::mips::getMipsCPUAndABI(Args, TargetTriple, CPUName, ABIName); 1489e5dd7070Spatrick 1490e5dd7070Spatrick llvm::Triple::ArchType TargetArch = TargetTriple.getArch(); 1491e5dd7070Spatrick 1492e5dd7070Spatrick Multilib::flags_list Flags; 1493e5dd7070Spatrick addMultilibFlag(TargetTriple.isMIPS32(), "m32", Flags); 1494e5dd7070Spatrick addMultilibFlag(TargetTriple.isMIPS64(), "m64", Flags); 1495e5dd7070Spatrick addMultilibFlag(isMips16(Args), "mips16", Flags); 1496e5dd7070Spatrick addMultilibFlag(CPUName == "mips32", "march=mips32", Flags); 1497e5dd7070Spatrick addMultilibFlag(CPUName == "mips32r2" || CPUName == "mips32r3" || 1498e5dd7070Spatrick CPUName == "mips32r5" || CPUName == "p5600", 1499e5dd7070Spatrick "march=mips32r2", Flags); 1500e5dd7070Spatrick addMultilibFlag(CPUName == "mips32r6", "march=mips32r6", Flags); 1501e5dd7070Spatrick addMultilibFlag(CPUName == "mips64", "march=mips64", Flags); 1502e5dd7070Spatrick addMultilibFlag(CPUName == "mips64r2" || CPUName == "mips64r3" || 1503e5dd7070Spatrick CPUName == "mips64r5" || CPUName == "octeon" || 1504e5dd7070Spatrick CPUName == "octeon+", 1505e5dd7070Spatrick "march=mips64r2", Flags); 1506e5dd7070Spatrick addMultilibFlag(CPUName == "mips64r6", "march=mips64r6", Flags); 1507e5dd7070Spatrick addMultilibFlag(isMicroMips(Args), "mmicromips", Flags); 1508e5dd7070Spatrick addMultilibFlag(tools::mips::isUCLibc(Args), "muclibc", Flags); 1509*7a9b00ceSrobert addMultilibFlag(tools::mips::isNaN2008(D, Args, TargetTriple), "mnan=2008", 1510e5dd7070Spatrick Flags); 1511e5dd7070Spatrick addMultilibFlag(ABIName == "n32", "mabi=n32", Flags); 1512e5dd7070Spatrick addMultilibFlag(ABIName == "n64", "mabi=n64", Flags); 1513e5dd7070Spatrick addMultilibFlag(isSoftFloatABI(Args), "msoft-float", Flags); 1514e5dd7070Spatrick addMultilibFlag(!isSoftFloatABI(Args), "mhard-float", Flags); 1515e5dd7070Spatrick addMultilibFlag(isMipsEL(TargetArch), "EL", Flags); 1516e5dd7070Spatrick addMultilibFlag(!isMipsEL(TargetArch), "EB", Flags); 1517e5dd7070Spatrick 1518e5dd7070Spatrick if (TargetTriple.isAndroid()) 1519e5dd7070Spatrick return findMipsAndroidMultilibs(D.getVFS(), Path, Flags, NonExistent, 1520e5dd7070Spatrick Result); 1521e5dd7070Spatrick 1522e5dd7070Spatrick if (TargetTriple.getVendor() == llvm::Triple::MipsTechnologies && 1523e5dd7070Spatrick TargetTriple.getOS() == llvm::Triple::Linux && 1524e5dd7070Spatrick TargetTriple.getEnvironment() == llvm::Triple::UnknownEnvironment) 1525e5dd7070Spatrick return findMipsMuslMultilibs(Flags, NonExistent, Result); 1526e5dd7070Spatrick 1527e5dd7070Spatrick if (TargetTriple.getVendor() == llvm::Triple::MipsTechnologies && 1528e5dd7070Spatrick TargetTriple.getOS() == llvm::Triple::Linux && 1529e5dd7070Spatrick TargetTriple.isGNUEnvironment()) 1530e5dd7070Spatrick return findMipsMtiMultilibs(Flags, NonExistent, Result); 1531e5dd7070Spatrick 1532e5dd7070Spatrick if (TargetTriple.getVendor() == llvm::Triple::ImaginationTechnologies && 1533e5dd7070Spatrick TargetTriple.getOS() == llvm::Triple::Linux && 1534e5dd7070Spatrick TargetTriple.isGNUEnvironment()) 1535e5dd7070Spatrick return findMipsImgMultilibs(Flags, NonExistent, Result); 1536e5dd7070Spatrick 1537e5dd7070Spatrick if (findMipsCsMultilibs(Flags, NonExistent, Result)) 1538e5dd7070Spatrick return true; 1539e5dd7070Spatrick 1540e5dd7070Spatrick // Fallback to the regular toolchain-tree structure. 1541e5dd7070Spatrick Multilib Default; 1542e5dd7070Spatrick Result.Multilibs.push_back(Default); 1543e5dd7070Spatrick Result.Multilibs.FilterOut(NonExistent); 1544e5dd7070Spatrick 1545e5dd7070Spatrick if (Result.Multilibs.select(Flags, Result.SelectedMultilib)) { 1546e5dd7070Spatrick Result.BiarchSibling = Multilib(); 1547e5dd7070Spatrick return true; 1548e5dd7070Spatrick } 1549e5dd7070Spatrick 1550e5dd7070Spatrick return false; 1551e5dd7070Spatrick } 1552e5dd7070Spatrick 1553e5dd7070Spatrick static void findAndroidArmMultilibs(const Driver &D, 1554e5dd7070Spatrick const llvm::Triple &TargetTriple, 1555e5dd7070Spatrick StringRef Path, const ArgList &Args, 1556e5dd7070Spatrick DetectedMultilibs &Result) { 1557e5dd7070Spatrick // Find multilibs with subdirectories like armv7-a, thumb, armv7-a/thumb. 1558e5dd7070Spatrick FilterNonExistent NonExistent(Path, "/crtbegin.o", D.getVFS()); 1559e5dd7070Spatrick Multilib ArmV7Multilib = makeMultilib("/armv7-a") 1560e5dd7070Spatrick .flag("+march=armv7-a") 1561e5dd7070Spatrick .flag("-mthumb"); 1562e5dd7070Spatrick Multilib ThumbMultilib = makeMultilib("/thumb") 1563e5dd7070Spatrick .flag("-march=armv7-a") 1564e5dd7070Spatrick .flag("+mthumb"); 1565e5dd7070Spatrick Multilib ArmV7ThumbMultilib = makeMultilib("/armv7-a/thumb") 1566e5dd7070Spatrick .flag("+march=armv7-a") 1567e5dd7070Spatrick .flag("+mthumb"); 1568e5dd7070Spatrick Multilib DefaultMultilib = makeMultilib("") 1569e5dd7070Spatrick .flag("-march=armv7-a") 1570e5dd7070Spatrick .flag("-mthumb"); 1571e5dd7070Spatrick MultilibSet AndroidArmMultilibs = 1572e5dd7070Spatrick MultilibSet() 1573e5dd7070Spatrick .Either(ThumbMultilib, ArmV7Multilib, 1574e5dd7070Spatrick ArmV7ThumbMultilib, DefaultMultilib) 1575e5dd7070Spatrick .FilterOut(NonExistent); 1576e5dd7070Spatrick 1577e5dd7070Spatrick Multilib::flags_list Flags; 1578e5dd7070Spatrick llvm::StringRef Arch = Args.getLastArgValue(options::OPT_march_EQ); 1579e5dd7070Spatrick bool IsArmArch = TargetTriple.getArch() == llvm::Triple::arm; 1580e5dd7070Spatrick bool IsThumbArch = TargetTriple.getArch() == llvm::Triple::thumb; 1581e5dd7070Spatrick bool IsV7SubArch = TargetTriple.getSubArch() == llvm::Triple::ARMSubArch_v7; 1582e5dd7070Spatrick bool IsThumbMode = IsThumbArch || 1583e5dd7070Spatrick Args.hasFlag(options::OPT_mthumb, options::OPT_mno_thumb, false) || 1584e5dd7070Spatrick (IsArmArch && llvm::ARM::parseArchISA(Arch) == llvm::ARM::ISAKind::THUMB); 1585e5dd7070Spatrick bool IsArmV7Mode = (IsArmArch || IsThumbArch) && 1586e5dd7070Spatrick (llvm::ARM::parseArchVersion(Arch) == 7 || 1587e5dd7070Spatrick (IsArmArch && Arch == "" && IsV7SubArch)); 1588e5dd7070Spatrick addMultilibFlag(IsArmV7Mode, "march=armv7-a", Flags); 1589e5dd7070Spatrick addMultilibFlag(IsThumbMode, "mthumb", Flags); 1590e5dd7070Spatrick 1591e5dd7070Spatrick if (AndroidArmMultilibs.select(Flags, Result.SelectedMultilib)) 1592e5dd7070Spatrick Result.Multilibs = AndroidArmMultilibs; 1593e5dd7070Spatrick } 1594e5dd7070Spatrick 1595e5dd7070Spatrick static bool findMSP430Multilibs(const Driver &D, 1596e5dd7070Spatrick const llvm::Triple &TargetTriple, 1597e5dd7070Spatrick StringRef Path, const ArgList &Args, 1598e5dd7070Spatrick DetectedMultilibs &Result) { 1599e5dd7070Spatrick FilterNonExistent NonExistent(Path, "/crtbegin.o", D.getVFS()); 1600a0747c9fSpatrick Multilib WithoutExceptions = makeMultilib("/430").flag("-exceptions"); 1601a0747c9fSpatrick Multilib WithExceptions = makeMultilib("/430/exceptions").flag("+exceptions"); 1602a0747c9fSpatrick 1603e5dd7070Spatrick // FIXME: when clang starts to support msp430x ISA additional logic 1604e5dd7070Spatrick // to select between multilib must be implemented 1605e5dd7070Spatrick // Multilib MSP430xMultilib = makeMultilib("/large"); 1606e5dd7070Spatrick 1607a0747c9fSpatrick Result.Multilibs.push_back(WithoutExceptions); 1608a0747c9fSpatrick Result.Multilibs.push_back(WithExceptions); 1609e5dd7070Spatrick Result.Multilibs.FilterOut(NonExistent); 1610e5dd7070Spatrick 1611e5dd7070Spatrick Multilib::flags_list Flags; 1612a0747c9fSpatrick addMultilibFlag(Args.hasFlag(options::OPT_fexceptions, 1613a0747c9fSpatrick options::OPT_fno_exceptions, false), 1614a0747c9fSpatrick "exceptions", Flags); 1615e5dd7070Spatrick if (Result.Multilibs.select(Flags, Result.SelectedMultilib)) 1616e5dd7070Spatrick return true; 1617e5dd7070Spatrick 1618e5dd7070Spatrick return false; 1619e5dd7070Spatrick } 1620e5dd7070Spatrick 1621*7a9b00ceSrobert static void findCSKYMultilibs(const Driver &D, const llvm::Triple &TargetTriple, 1622*7a9b00ceSrobert StringRef Path, const ArgList &Args, 1623*7a9b00ceSrobert DetectedMultilibs &Result) { 1624*7a9b00ceSrobert FilterNonExistent NonExistent(Path, "/crtbegin.o", D.getVFS()); 1625*7a9b00ceSrobert 1626*7a9b00ceSrobert tools::csky::FloatABI TheFloatABI = tools::csky::getCSKYFloatABI(D, Args); 1627*7a9b00ceSrobert std::optional<llvm::StringRef> Res = 1628*7a9b00ceSrobert tools::csky::getCSKYArchName(D, Args, TargetTriple); 1629*7a9b00ceSrobert 1630*7a9b00ceSrobert if (!Res) 1631*7a9b00ceSrobert return; 1632*7a9b00ceSrobert auto ARCHName = *Res; 1633*7a9b00ceSrobert 1634*7a9b00ceSrobert Multilib::flags_list Flags; 1635*7a9b00ceSrobert addMultilibFlag(TheFloatABI == tools::csky::FloatABI::Hard, "hard-fp", Flags); 1636*7a9b00ceSrobert addMultilibFlag(TheFloatABI == tools::csky::FloatABI::SoftFP, "soft-fp", 1637*7a9b00ceSrobert Flags); 1638*7a9b00ceSrobert addMultilibFlag(TheFloatABI == tools::csky::FloatABI::Soft, "soft", Flags); 1639*7a9b00ceSrobert addMultilibFlag(ARCHName == "ck801", "march=ck801", Flags); 1640*7a9b00ceSrobert addMultilibFlag(ARCHName == "ck802", "march=ck802", Flags); 1641*7a9b00ceSrobert addMultilibFlag(ARCHName == "ck803", "march=ck803", Flags); 1642*7a9b00ceSrobert addMultilibFlag(ARCHName == "ck804", "march=ck804", Flags); 1643*7a9b00ceSrobert addMultilibFlag(ARCHName == "ck805", "march=ck805", Flags); 1644*7a9b00ceSrobert addMultilibFlag(ARCHName == "ck807", "march=ck807", Flags); 1645*7a9b00ceSrobert addMultilibFlag(ARCHName == "ck810", "march=ck810", Flags); 1646*7a9b00ceSrobert addMultilibFlag(ARCHName == "ck810v", "march=ck810v", Flags); 1647*7a9b00ceSrobert addMultilibFlag(ARCHName == "ck860", "march=ck860", Flags); 1648*7a9b00ceSrobert addMultilibFlag(ARCHName == "ck860v", "march=ck860v", Flags); 1649*7a9b00ceSrobert 1650*7a9b00ceSrobert bool isBigEndian = false; 1651*7a9b00ceSrobert if (Arg *A = Args.getLastArg(options::OPT_mlittle_endian, 1652*7a9b00ceSrobert options::OPT_mbig_endian)) 1653*7a9b00ceSrobert isBigEndian = !A->getOption().matches(options::OPT_mlittle_endian); 1654*7a9b00ceSrobert addMultilibFlag(isBigEndian, "EB", Flags); 1655*7a9b00ceSrobert 1656*7a9b00ceSrobert auto HardFloat = makeMultilib("/hard-fp").flag("+hard-fp"); 1657*7a9b00ceSrobert auto SoftFpFloat = makeMultilib("/soft-fp").flag("+soft-fp"); 1658*7a9b00ceSrobert auto SoftFloat = makeMultilib("").flag("+soft"); 1659*7a9b00ceSrobert auto Arch801 = makeMultilib("/ck801").flag("+march=ck801"); 1660*7a9b00ceSrobert auto Arch802 = makeMultilib("/ck802").flag("+march=ck802"); 1661*7a9b00ceSrobert auto Arch803 = makeMultilib("/ck803").flag("+march=ck803"); 1662*7a9b00ceSrobert // CK804 use the same library as CK803 1663*7a9b00ceSrobert auto Arch804 = makeMultilib("/ck803").flag("+march=ck804"); 1664*7a9b00ceSrobert auto Arch805 = makeMultilib("/ck805").flag("+march=ck805"); 1665*7a9b00ceSrobert auto Arch807 = makeMultilib("/ck807").flag("+march=ck807"); 1666*7a9b00ceSrobert auto Arch810 = makeMultilib("").flag("+march=ck810"); 1667*7a9b00ceSrobert auto Arch810v = makeMultilib("/ck810v").flag("+march=ck810v"); 1668*7a9b00ceSrobert auto Arch860 = makeMultilib("/ck860").flag("+march=ck860"); 1669*7a9b00ceSrobert auto Arch860v = makeMultilib("/ck860v").flag("+march=ck860v"); 1670*7a9b00ceSrobert auto BigEndian = makeMultilib("/big").flag("+EB"); 1671*7a9b00ceSrobert 1672*7a9b00ceSrobert MultilibSet CSKYMultilibs = 1673*7a9b00ceSrobert MultilibSet() 1674*7a9b00ceSrobert .Maybe(BigEndian) 1675*7a9b00ceSrobert .Either({Arch801, Arch802, Arch803, Arch804, Arch805, Arch807, 1676*7a9b00ceSrobert Arch810, Arch810v, Arch860, Arch860v}) 1677*7a9b00ceSrobert .Either(HardFloat, SoftFpFloat, SoftFloat) 1678*7a9b00ceSrobert .FilterOut(NonExistent); 1679*7a9b00ceSrobert 1680*7a9b00ceSrobert if (CSKYMultilibs.select(Flags, Result.SelectedMultilib)) 1681*7a9b00ceSrobert Result.Multilibs = CSKYMultilibs; 1682*7a9b00ceSrobert } 1683*7a9b00ceSrobert 1684e5dd7070Spatrick static void findRISCVBareMetalMultilibs(const Driver &D, 1685e5dd7070Spatrick const llvm::Triple &TargetTriple, 1686e5dd7070Spatrick StringRef Path, const ArgList &Args, 1687e5dd7070Spatrick DetectedMultilibs &Result) { 1688e5dd7070Spatrick FilterNonExistent NonExistent(Path, "/crtbegin.o", D.getVFS()); 1689e5dd7070Spatrick struct RiscvMultilib { 1690e5dd7070Spatrick StringRef march; 1691e5dd7070Spatrick StringRef mabi; 1692e5dd7070Spatrick }; 1693e5dd7070Spatrick // currently only support the set of multilibs like riscv-gnu-toolchain does. 1694e5dd7070Spatrick // TODO: support MULTILIB_REUSE 1695ec727ea7Spatrick constexpr RiscvMultilib RISCVMultilibSet[] = { 1696e5dd7070Spatrick {"rv32i", "ilp32"}, {"rv32im", "ilp32"}, {"rv32iac", "ilp32"}, 1697e5dd7070Spatrick {"rv32imac", "ilp32"}, {"rv32imafc", "ilp32f"}, {"rv64imac", "lp64"}, 1698e5dd7070Spatrick {"rv64imafdc", "lp64d"}}; 1699e5dd7070Spatrick 1700e5dd7070Spatrick std::vector<Multilib> Ms; 1701e5dd7070Spatrick for (auto Element : RISCVMultilibSet) { 1702e5dd7070Spatrick // multilib path rule is ${march}/${mabi} 1703e5dd7070Spatrick Ms.emplace_back( 1704e5dd7070Spatrick makeMultilib((Twine(Element.march) + "/" + Twine(Element.mabi)).str()) 1705e5dd7070Spatrick .flag(Twine("+march=", Element.march).str()) 1706e5dd7070Spatrick .flag(Twine("+mabi=", Element.mabi).str())); 1707e5dd7070Spatrick } 1708e5dd7070Spatrick MultilibSet RISCVMultilibs = 1709e5dd7070Spatrick MultilibSet() 1710e5dd7070Spatrick .Either(ArrayRef<Multilib>(Ms)) 1711e5dd7070Spatrick .FilterOut(NonExistent) 1712e5dd7070Spatrick .setFilePathsCallback([](const Multilib &M) { 1713e5dd7070Spatrick return std::vector<std::string>( 1714e5dd7070Spatrick {M.gccSuffix(), 1715e5dd7070Spatrick "/../../../../riscv64-unknown-elf/lib" + M.gccSuffix(), 1716e5dd7070Spatrick "/../../../../riscv32-unknown-elf/lib" + M.gccSuffix()}); 1717e5dd7070Spatrick }); 1718e5dd7070Spatrick 1719e5dd7070Spatrick 1720e5dd7070Spatrick Multilib::flags_list Flags; 1721e5dd7070Spatrick llvm::StringSet<> Added_ABIs; 1722e5dd7070Spatrick StringRef ABIName = tools::riscv::getRISCVABI(Args, TargetTriple); 1723e5dd7070Spatrick StringRef MArch = tools::riscv::getRISCVArch(Args, TargetTriple); 1724e5dd7070Spatrick for (auto Element : RISCVMultilibSet) { 1725e5dd7070Spatrick addMultilibFlag(MArch == Element.march, 1726e5dd7070Spatrick Twine("march=", Element.march).str().c_str(), Flags); 1727e5dd7070Spatrick if (!Added_ABIs.count(Element.mabi)) { 1728e5dd7070Spatrick Added_ABIs.insert(Element.mabi); 1729e5dd7070Spatrick addMultilibFlag(ABIName == Element.mabi, 1730e5dd7070Spatrick Twine("mabi=", Element.mabi).str().c_str(), Flags); 1731e5dd7070Spatrick } 1732e5dd7070Spatrick } 1733e5dd7070Spatrick 1734e5dd7070Spatrick if (RISCVMultilibs.select(Flags, Result.SelectedMultilib)) 1735e5dd7070Spatrick Result.Multilibs = RISCVMultilibs; 1736e5dd7070Spatrick } 1737e5dd7070Spatrick 1738e5dd7070Spatrick static void findRISCVMultilibs(const Driver &D, 1739e5dd7070Spatrick const llvm::Triple &TargetTriple, StringRef Path, 1740e5dd7070Spatrick const ArgList &Args, DetectedMultilibs &Result) { 1741e5dd7070Spatrick if (TargetTriple.getOS() == llvm::Triple::UnknownOS) 1742e5dd7070Spatrick return findRISCVBareMetalMultilibs(D, TargetTriple, Path, Args, Result); 1743e5dd7070Spatrick 1744e5dd7070Spatrick FilterNonExistent NonExistent(Path, "/crtbegin.o", D.getVFS()); 1745e5dd7070Spatrick Multilib Ilp32 = makeMultilib("lib32/ilp32").flag("+m32").flag("+mabi=ilp32"); 1746e5dd7070Spatrick Multilib Ilp32f = 1747e5dd7070Spatrick makeMultilib("lib32/ilp32f").flag("+m32").flag("+mabi=ilp32f"); 1748e5dd7070Spatrick Multilib Ilp32d = 1749e5dd7070Spatrick makeMultilib("lib32/ilp32d").flag("+m32").flag("+mabi=ilp32d"); 1750e5dd7070Spatrick Multilib Lp64 = makeMultilib("lib64/lp64").flag("+m64").flag("+mabi=lp64"); 1751e5dd7070Spatrick Multilib Lp64f = makeMultilib("lib64/lp64f").flag("+m64").flag("+mabi=lp64f"); 1752e5dd7070Spatrick Multilib Lp64d = makeMultilib("lib64/lp64d").flag("+m64").flag("+mabi=lp64d"); 1753e5dd7070Spatrick MultilibSet RISCVMultilibs = 1754e5dd7070Spatrick MultilibSet() 1755e5dd7070Spatrick .Either({Ilp32, Ilp32f, Ilp32d, Lp64, Lp64f, Lp64d}) 1756e5dd7070Spatrick .FilterOut(NonExistent); 1757e5dd7070Spatrick 1758e5dd7070Spatrick Multilib::flags_list Flags; 1759e5dd7070Spatrick bool IsRV64 = TargetTriple.getArch() == llvm::Triple::riscv64; 1760e5dd7070Spatrick StringRef ABIName = tools::riscv::getRISCVABI(Args, TargetTriple); 1761e5dd7070Spatrick 1762e5dd7070Spatrick addMultilibFlag(!IsRV64, "m32", Flags); 1763e5dd7070Spatrick addMultilibFlag(IsRV64, "m64", Flags); 1764e5dd7070Spatrick addMultilibFlag(ABIName == "ilp32", "mabi=ilp32", Flags); 1765e5dd7070Spatrick addMultilibFlag(ABIName == "ilp32f", "mabi=ilp32f", Flags); 1766e5dd7070Spatrick addMultilibFlag(ABIName == "ilp32d", "mabi=ilp32d", Flags); 1767e5dd7070Spatrick addMultilibFlag(ABIName == "lp64", "mabi=lp64", Flags); 1768e5dd7070Spatrick addMultilibFlag(ABIName == "lp64f", "mabi=lp64f", Flags); 1769e5dd7070Spatrick addMultilibFlag(ABIName == "lp64d", "mabi=lp64d", Flags); 1770e5dd7070Spatrick 1771e5dd7070Spatrick if (RISCVMultilibs.select(Flags, Result.SelectedMultilib)) 1772e5dd7070Spatrick Result.Multilibs = RISCVMultilibs; 1773e5dd7070Spatrick } 1774e5dd7070Spatrick 1775e5dd7070Spatrick static bool findBiarchMultilibs(const Driver &D, 1776e5dd7070Spatrick const llvm::Triple &TargetTriple, 1777e5dd7070Spatrick StringRef Path, const ArgList &Args, 1778e5dd7070Spatrick bool NeedsBiarchSuffix, 1779e5dd7070Spatrick DetectedMultilibs &Result) { 1780e5dd7070Spatrick Multilib Default; 1781e5dd7070Spatrick 1782e5dd7070Spatrick // Some versions of SUSE and Fedora on ppc64 put 32-bit libs 1783e5dd7070Spatrick // in what would normally be GCCInstallPath and put the 64-bit 1784e5dd7070Spatrick // libs in a subdirectory named 64. The simple logic we follow is that 1785e5dd7070Spatrick // *if* there is a subdirectory of the right name with crtbegin.o in it, 1786e5dd7070Spatrick // we use that. If not, and if not a biarch triple alias, we look for 1787e5dd7070Spatrick // crtbegin.o without the subdirectory. 1788e5dd7070Spatrick 1789e5dd7070Spatrick StringRef Suff64 = "/64"; 1790e5dd7070Spatrick // Solaris uses platform-specific suffixes instead of /64. 1791e5dd7070Spatrick if (TargetTriple.getOS() == llvm::Triple::Solaris) { 1792e5dd7070Spatrick switch (TargetTriple.getArch()) { 1793e5dd7070Spatrick case llvm::Triple::x86: 1794e5dd7070Spatrick case llvm::Triple::x86_64: 1795e5dd7070Spatrick Suff64 = "/amd64"; 1796e5dd7070Spatrick break; 1797e5dd7070Spatrick case llvm::Triple::sparc: 1798e5dd7070Spatrick case llvm::Triple::sparcv9: 1799e5dd7070Spatrick Suff64 = "/sparcv9"; 1800e5dd7070Spatrick break; 1801e5dd7070Spatrick default: 1802e5dd7070Spatrick break; 1803e5dd7070Spatrick } 1804e5dd7070Spatrick } 1805e5dd7070Spatrick 1806e5dd7070Spatrick Multilib Alt64 = Multilib() 1807e5dd7070Spatrick .gccSuffix(Suff64) 1808e5dd7070Spatrick .includeSuffix(Suff64) 1809e5dd7070Spatrick .flag("-m32") 1810e5dd7070Spatrick .flag("+m64") 1811e5dd7070Spatrick .flag("-mx32"); 1812e5dd7070Spatrick Multilib Alt32 = Multilib() 1813e5dd7070Spatrick .gccSuffix("/32") 1814e5dd7070Spatrick .includeSuffix("/32") 1815e5dd7070Spatrick .flag("+m32") 1816e5dd7070Spatrick .flag("-m64") 1817e5dd7070Spatrick .flag("-mx32"); 1818e5dd7070Spatrick Multilib Altx32 = Multilib() 1819e5dd7070Spatrick .gccSuffix("/x32") 1820e5dd7070Spatrick .includeSuffix("/x32") 1821e5dd7070Spatrick .flag("-m32") 1822e5dd7070Spatrick .flag("-m64") 1823e5dd7070Spatrick .flag("+mx32"); 1824e5dd7070Spatrick 1825e5dd7070Spatrick // GCC toolchain for IAMCU doesn't have crtbegin.o, so look for libgcc.a. 1826e5dd7070Spatrick FilterNonExistent NonExistent( 1827e5dd7070Spatrick Path, TargetTriple.isOSIAMCU() ? "/libgcc.a" : "/crtbegin.o", D.getVFS()); 1828e5dd7070Spatrick 1829e5dd7070Spatrick // Determine default multilib from: 32, 64, x32 1830e5dd7070Spatrick // Also handle cases such as 64 on 32, 32 on 64, etc. 1831e5dd7070Spatrick enum { UNKNOWN, WANT32, WANT64, WANTX32 } Want = UNKNOWN; 1832a0747c9fSpatrick const bool IsX32 = TargetTriple.isX32(); 1833e5dd7070Spatrick if (TargetTriple.isArch32Bit() && !NonExistent(Alt32)) 1834e5dd7070Spatrick Want = WANT64; 1835e5dd7070Spatrick else if (TargetTriple.isArch64Bit() && IsX32 && !NonExistent(Altx32)) 1836e5dd7070Spatrick Want = WANT64; 1837e5dd7070Spatrick else if (TargetTriple.isArch64Bit() && !IsX32 && !NonExistent(Alt64)) 1838e5dd7070Spatrick Want = WANT32; 1839e5dd7070Spatrick else { 1840e5dd7070Spatrick if (TargetTriple.isArch32Bit()) 1841e5dd7070Spatrick Want = NeedsBiarchSuffix ? WANT64 : WANT32; 1842e5dd7070Spatrick else if (IsX32) 1843e5dd7070Spatrick Want = NeedsBiarchSuffix ? WANT64 : WANTX32; 1844e5dd7070Spatrick else 1845e5dd7070Spatrick Want = NeedsBiarchSuffix ? WANT32 : WANT64; 1846e5dd7070Spatrick } 1847e5dd7070Spatrick 1848e5dd7070Spatrick if (Want == WANT32) 1849e5dd7070Spatrick Default.flag("+m32").flag("-m64").flag("-mx32"); 1850e5dd7070Spatrick else if (Want == WANT64) 1851e5dd7070Spatrick Default.flag("-m32").flag("+m64").flag("-mx32"); 1852e5dd7070Spatrick else if (Want == WANTX32) 1853e5dd7070Spatrick Default.flag("-m32").flag("-m64").flag("+mx32"); 1854e5dd7070Spatrick else 1855e5dd7070Spatrick return false; 1856e5dd7070Spatrick 1857e5dd7070Spatrick Result.Multilibs.push_back(Default); 1858e5dd7070Spatrick Result.Multilibs.push_back(Alt64); 1859e5dd7070Spatrick Result.Multilibs.push_back(Alt32); 1860e5dd7070Spatrick Result.Multilibs.push_back(Altx32); 1861e5dd7070Spatrick 1862e5dd7070Spatrick Result.Multilibs.FilterOut(NonExistent); 1863e5dd7070Spatrick 1864e5dd7070Spatrick Multilib::flags_list Flags; 1865e5dd7070Spatrick addMultilibFlag(TargetTriple.isArch64Bit() && !IsX32, "m64", Flags); 1866e5dd7070Spatrick addMultilibFlag(TargetTriple.isArch32Bit(), "m32", Flags); 1867e5dd7070Spatrick addMultilibFlag(TargetTriple.isArch64Bit() && IsX32, "mx32", Flags); 1868e5dd7070Spatrick 1869e5dd7070Spatrick if (!Result.Multilibs.select(Flags, Result.SelectedMultilib)) 1870e5dd7070Spatrick return false; 1871e5dd7070Spatrick 1872e5dd7070Spatrick if (Result.SelectedMultilib == Alt64 || Result.SelectedMultilib == Alt32 || 1873e5dd7070Spatrick Result.SelectedMultilib == Altx32) 1874e5dd7070Spatrick Result.BiarchSibling = Default; 1875e5dd7070Spatrick 1876e5dd7070Spatrick return true; 1877e5dd7070Spatrick } 1878e5dd7070Spatrick 1879e5dd7070Spatrick /// Generic_GCC - A tool chain using the 'gcc' command to perform 1880e5dd7070Spatrick /// all subcommands; this relies on gcc translating the majority of 1881e5dd7070Spatrick /// command line options. 1882e5dd7070Spatrick 1883e5dd7070Spatrick /// Less-than for GCCVersion, implementing a Strict Weak Ordering. 1884e5dd7070Spatrick bool Generic_GCC::GCCVersion::isOlderThan(int RHSMajor, int RHSMinor, 1885e5dd7070Spatrick int RHSPatch, 1886e5dd7070Spatrick StringRef RHSPatchSuffix) const { 1887e5dd7070Spatrick if (Major != RHSMajor) 1888e5dd7070Spatrick return Major < RHSMajor; 1889*7a9b00ceSrobert if (Minor != RHSMinor) { 1890*7a9b00ceSrobert // Note that versions without a specified minor sort higher than those with 1891*7a9b00ceSrobert // a minor. 1892*7a9b00ceSrobert if (RHSMinor == -1) 1893*7a9b00ceSrobert return true; 1894*7a9b00ceSrobert if (Minor == -1) 1895*7a9b00ceSrobert return false; 1896e5dd7070Spatrick return Minor < RHSMinor; 1897*7a9b00ceSrobert } 1898e5dd7070Spatrick if (Patch != RHSPatch) { 1899e5dd7070Spatrick // Note that versions without a specified patch sort higher than those with 1900e5dd7070Spatrick // a patch. 1901e5dd7070Spatrick if (RHSPatch == -1) 1902e5dd7070Spatrick return true; 1903e5dd7070Spatrick if (Patch == -1) 1904e5dd7070Spatrick return false; 1905e5dd7070Spatrick 1906e5dd7070Spatrick // Otherwise just sort on the patch itself. 1907e5dd7070Spatrick return Patch < RHSPatch; 1908e5dd7070Spatrick } 1909e5dd7070Spatrick if (PatchSuffix != RHSPatchSuffix) { 1910e5dd7070Spatrick // Sort empty suffixes higher. 1911e5dd7070Spatrick if (RHSPatchSuffix.empty()) 1912e5dd7070Spatrick return true; 1913e5dd7070Spatrick if (PatchSuffix.empty()) 1914e5dd7070Spatrick return false; 1915e5dd7070Spatrick 1916e5dd7070Spatrick // Provide a lexicographic sort to make this a total ordering. 1917e5dd7070Spatrick return PatchSuffix < RHSPatchSuffix; 1918e5dd7070Spatrick } 1919e5dd7070Spatrick 1920e5dd7070Spatrick // The versions are equal. 1921e5dd7070Spatrick return false; 1922e5dd7070Spatrick } 1923e5dd7070Spatrick 1924e5dd7070Spatrick /// Parse a GCCVersion object out of a string of text. 1925e5dd7070Spatrick /// 1926e5dd7070Spatrick /// This is the primary means of forming GCCVersion objects. 1927e5dd7070Spatrick /*static*/ 1928e5dd7070Spatrick Generic_GCC::GCCVersion Generic_GCC::GCCVersion::Parse(StringRef VersionText) { 1929e5dd7070Spatrick const GCCVersion BadVersion = {VersionText.str(), -1, -1, -1, "", "", ""}; 1930e5dd7070Spatrick std::pair<StringRef, StringRef> First = VersionText.split('.'); 1931e5dd7070Spatrick std::pair<StringRef, StringRef> Second = First.second.split('.'); 1932e5dd7070Spatrick 1933e5dd7070Spatrick GCCVersion GoodVersion = {VersionText.str(), -1, -1, -1, "", "", ""}; 1934e5dd7070Spatrick if (First.first.getAsInteger(10, GoodVersion.Major) || GoodVersion.Major < 0) 1935e5dd7070Spatrick return BadVersion; 1936e5dd7070Spatrick GoodVersion.MajorStr = First.first.str(); 1937e5dd7070Spatrick if (First.second.empty()) 1938e5dd7070Spatrick return GoodVersion; 1939e5dd7070Spatrick StringRef MinorStr = Second.first; 1940e5dd7070Spatrick if (Second.second.empty()) { 1941e5dd7070Spatrick if (size_t EndNumber = MinorStr.find_first_not_of("0123456789")) { 1942ec727ea7Spatrick GoodVersion.PatchSuffix = std::string(MinorStr.substr(EndNumber)); 1943e5dd7070Spatrick MinorStr = MinorStr.slice(0, EndNumber); 1944e5dd7070Spatrick } 1945e5dd7070Spatrick } 1946e5dd7070Spatrick if (MinorStr.getAsInteger(10, GoodVersion.Minor) || GoodVersion.Minor < 0) 1947e5dd7070Spatrick return BadVersion; 1948e5dd7070Spatrick GoodVersion.MinorStr = MinorStr.str(); 1949e5dd7070Spatrick 1950e5dd7070Spatrick // First look for a number prefix and parse that if present. Otherwise just 1951e5dd7070Spatrick // stash the entire patch string in the suffix, and leave the number 1952e5dd7070Spatrick // unspecified. This covers versions strings such as: 1953e5dd7070Spatrick // 5 (handled above) 1954e5dd7070Spatrick // 4.4 1955e5dd7070Spatrick // 4.4-patched 1956e5dd7070Spatrick // 4.4.0 1957e5dd7070Spatrick // 4.4.x 1958e5dd7070Spatrick // 4.4.2-rc4 1959e5dd7070Spatrick // 4.4.x-patched 1960e5dd7070Spatrick // And retains any patch number it finds. 1961e5dd7070Spatrick StringRef PatchText = Second.second; 1962e5dd7070Spatrick if (!PatchText.empty()) { 1963e5dd7070Spatrick if (size_t EndNumber = PatchText.find_first_not_of("0123456789")) { 1964e5dd7070Spatrick // Try to parse the number and any suffix. 1965e5dd7070Spatrick if (PatchText.slice(0, EndNumber).getAsInteger(10, GoodVersion.Patch) || 1966e5dd7070Spatrick GoodVersion.Patch < 0) 1967e5dd7070Spatrick return BadVersion; 1968ec727ea7Spatrick GoodVersion.PatchSuffix = std::string(PatchText.substr(EndNumber)); 1969e5dd7070Spatrick } 1970e5dd7070Spatrick } 1971e5dd7070Spatrick 1972e5dd7070Spatrick return GoodVersion; 1973e5dd7070Spatrick } 1974e5dd7070Spatrick 1975e5dd7070Spatrick static llvm::StringRef getGCCToolchainDir(const ArgList &Args, 1976e5dd7070Spatrick llvm::StringRef SysRoot) { 1977e5dd7070Spatrick const Arg *A = Args.getLastArg(clang::driver::options::OPT_gcc_toolchain); 1978e5dd7070Spatrick if (A) 1979e5dd7070Spatrick return A->getValue(); 1980e5dd7070Spatrick 1981e5dd7070Spatrick // If we have a SysRoot, ignore GCC_INSTALL_PREFIX. 1982e5dd7070Spatrick // GCC_INSTALL_PREFIX specifies the gcc installation for the default 1983e5dd7070Spatrick // sysroot and is likely not valid with a different sysroot. 1984e5dd7070Spatrick if (!SysRoot.empty()) 1985e5dd7070Spatrick return ""; 1986e5dd7070Spatrick 1987e5dd7070Spatrick return GCC_INSTALL_PREFIX; 1988e5dd7070Spatrick } 1989e5dd7070Spatrick 1990e5dd7070Spatrick /// Initialize a GCCInstallationDetector from the driver. 1991e5dd7070Spatrick /// 1992e5dd7070Spatrick /// This performs all of the autodetection and sets up the various paths. 1993e5dd7070Spatrick /// Once constructed, a GCCInstallationDetector is essentially immutable. 1994e5dd7070Spatrick /// 1995e5dd7070Spatrick /// FIXME: We shouldn't need an explicit TargetTriple parameter here, and 1996e5dd7070Spatrick /// should instead pull the target out of the driver. This is currently 1997e5dd7070Spatrick /// necessary because the driver doesn't store the final version of the target 1998e5dd7070Spatrick /// triple. 1999e5dd7070Spatrick void Generic_GCC::GCCInstallationDetector::init( 2000e5dd7070Spatrick const llvm::Triple &TargetTriple, const ArgList &Args, 2001e5dd7070Spatrick ArrayRef<std::string> ExtraTripleAliases) { 2002e5dd7070Spatrick llvm::Triple BiarchVariantTriple = TargetTriple.isArch32Bit() 2003e5dd7070Spatrick ? TargetTriple.get64BitArchVariant() 2004e5dd7070Spatrick : TargetTriple.get32BitArchVariant(); 2005e5dd7070Spatrick // The library directories which may contain GCC installations. 2006e5dd7070Spatrick SmallVector<StringRef, 4> CandidateLibDirs, CandidateBiarchLibDirs; 2007e5dd7070Spatrick // The compatible GCC triples for this particular architecture. 2008e5dd7070Spatrick SmallVector<StringRef, 16> CandidateTripleAliases; 2009e5dd7070Spatrick SmallVector<StringRef, 16> CandidateBiarchTripleAliases; 2010e5dd7070Spatrick CollectLibDirsAndTriples(TargetTriple, BiarchVariantTriple, CandidateLibDirs, 2011e5dd7070Spatrick CandidateTripleAliases, CandidateBiarchLibDirs, 2012e5dd7070Spatrick CandidateBiarchTripleAliases); 2013e5dd7070Spatrick 2014*7a9b00ceSrobert // If --gcc-install-dir= is specified, skip filesystem detection. 2015*7a9b00ceSrobert if (const Arg *A = 2016*7a9b00ceSrobert Args.getLastArg(clang::driver::options::OPT_gcc_install_dir_EQ); 2017*7a9b00ceSrobert A && A->getValue()[0]) { 2018*7a9b00ceSrobert StringRef InstallDir = A->getValue(); 2019*7a9b00ceSrobert if (!ScanGCCForMultilibs(TargetTriple, Args, InstallDir, false)) { 2020*7a9b00ceSrobert D.Diag(diag::err_drv_invalid_gcc_install_dir) << InstallDir; 2021*7a9b00ceSrobert } else { 2022*7a9b00ceSrobert (void)InstallDir.consume_back("/"); 2023*7a9b00ceSrobert StringRef VersionText = llvm::sys::path::filename(InstallDir); 2024*7a9b00ceSrobert StringRef TripleText = 2025*7a9b00ceSrobert llvm::sys::path::filename(llvm::sys::path::parent_path(InstallDir)); 2026*7a9b00ceSrobert 2027*7a9b00ceSrobert Version = GCCVersion::Parse(VersionText); 2028*7a9b00ceSrobert GCCTriple.setTriple(TripleText); 2029*7a9b00ceSrobert GCCInstallPath = std::string(InstallDir); 2030*7a9b00ceSrobert GCCParentLibPath = GCCInstallPath + "/../../.."; 2031*7a9b00ceSrobert IsValid = true; 2032*7a9b00ceSrobert } 2033*7a9b00ceSrobert return; 2034*7a9b00ceSrobert } 2035*7a9b00ceSrobert 2036e5dd7070Spatrick // Compute the set of prefixes for our search. 2037a0747c9fSpatrick SmallVector<std::string, 8> Prefixes; 2038e5dd7070Spatrick StringRef GCCToolchainDir = getGCCToolchainDir(Args, D.SysRoot); 2039e5dd7070Spatrick if (GCCToolchainDir != "") { 2040e5dd7070Spatrick if (GCCToolchainDir.back() == '/') 2041e5dd7070Spatrick GCCToolchainDir = GCCToolchainDir.drop_back(); // remove the / 2042e5dd7070Spatrick 2043ec727ea7Spatrick Prefixes.push_back(std::string(GCCToolchainDir)); 2044e5dd7070Spatrick } else { 2045e5dd7070Spatrick // If we have a SysRoot, try that first. 2046e5dd7070Spatrick if (!D.SysRoot.empty()) { 2047e5dd7070Spatrick Prefixes.push_back(D.SysRoot); 2048e5dd7070Spatrick AddDefaultGCCPrefixes(TargetTriple, Prefixes, D.SysRoot); 2049e5dd7070Spatrick } 2050e5dd7070Spatrick 2051e5dd7070Spatrick // Then look for gcc installed alongside clang. 2052e5dd7070Spatrick Prefixes.push_back(D.InstalledDir + "/.."); 2053e5dd7070Spatrick 2054e5dd7070Spatrick // Next, look for prefix(es) that correspond to distribution-supplied gcc 2055e5dd7070Spatrick // installations. 2056e5dd7070Spatrick if (D.SysRoot.empty()) { 2057e5dd7070Spatrick // Typically /usr. 2058e5dd7070Spatrick AddDefaultGCCPrefixes(TargetTriple, Prefixes, D.SysRoot); 2059e5dd7070Spatrick } 2060e5dd7070Spatrick 2061a0747c9fSpatrick // Try to respect gcc-config on Gentoo if --gcc-toolchain is not provided. 2062a0747c9fSpatrick // This avoids accidentally enforcing the system GCC version when using a 2063a0747c9fSpatrick // custom toolchain. 2064e5dd7070Spatrick SmallVector<StringRef, 16> GentooTestTriples; 2065e5dd7070Spatrick // Try to match an exact triple as target triple first. 2066e5dd7070Spatrick // e.g. crossdev -S x86_64-gentoo-linux-gnu will install gcc libs for 2067e5dd7070Spatrick // x86_64-gentoo-linux-gnu. But "clang -target x86_64-gentoo-linux-gnu" 2068e5dd7070Spatrick // may pick the libraries for x86_64-pc-linux-gnu even when exact matching 2069e5dd7070Spatrick // triple x86_64-gentoo-linux-gnu is present. 2070e5dd7070Spatrick GentooTestTriples.push_back(TargetTriple.str()); 2071e5dd7070Spatrick // Check rest of triples. 2072e5dd7070Spatrick GentooTestTriples.append(ExtraTripleAliases.begin(), 2073e5dd7070Spatrick ExtraTripleAliases.end()); 2074e5dd7070Spatrick GentooTestTriples.append(CandidateTripleAliases.begin(), 2075e5dd7070Spatrick CandidateTripleAliases.end()); 2076e5dd7070Spatrick if (ScanGentooConfigs(TargetTriple, Args, GentooTestTriples, 2077e5dd7070Spatrick CandidateBiarchTripleAliases)) 2078e5dd7070Spatrick return; 2079e5dd7070Spatrick } 2080e5dd7070Spatrick 2081e5dd7070Spatrick // Loop over the various components which exist and select the best GCC 2082e5dd7070Spatrick // installation available. GCC installs are ranked by version number. 2083a0747c9fSpatrick const GCCVersion VersionZero = GCCVersion::Parse("0.0.0"); 2084a0747c9fSpatrick Version = VersionZero; 2085e5dd7070Spatrick for (const std::string &Prefix : Prefixes) { 2086a0747c9fSpatrick auto &VFS = D.getVFS(); 2087a0747c9fSpatrick if (!VFS.exists(Prefix)) 2088e5dd7070Spatrick continue; 2089e5dd7070Spatrick for (StringRef Suffix : CandidateLibDirs) { 2090*7a9b00ceSrobert const std::string LibDir = concat(Prefix, Suffix); 2091a0747c9fSpatrick if (!VFS.exists(LibDir)) 2092e5dd7070Spatrick continue; 2093a0747c9fSpatrick // Maybe filter out <libdir>/gcc and <libdir>/gcc-cross. 2094a0747c9fSpatrick bool GCCDirExists = VFS.exists(LibDir + "/gcc"); 2095a0747c9fSpatrick bool GCCCrossDirExists = VFS.exists(LibDir + "/gcc-cross"); 2096e5dd7070Spatrick // Try to match the exact target triple first. 2097a0747c9fSpatrick ScanLibDirForGCCTriple(TargetTriple, Args, LibDir, TargetTriple.str(), 2098a0747c9fSpatrick false, GCCDirExists, GCCCrossDirExists); 2099e5dd7070Spatrick // Try rest of possible triples. 2100e5dd7070Spatrick for (StringRef Candidate : ExtraTripleAliases) // Try these first. 2101a0747c9fSpatrick ScanLibDirForGCCTriple(TargetTriple, Args, LibDir, Candidate, false, 2102a0747c9fSpatrick GCCDirExists, GCCCrossDirExists); 2103e5dd7070Spatrick for (StringRef Candidate : CandidateTripleAliases) 2104a0747c9fSpatrick ScanLibDirForGCCTriple(TargetTriple, Args, LibDir, Candidate, false, 2105a0747c9fSpatrick GCCDirExists, GCCCrossDirExists); 2106e5dd7070Spatrick } 2107e5dd7070Spatrick for (StringRef Suffix : CandidateBiarchLibDirs) { 2108e5dd7070Spatrick const std::string LibDir = Prefix + Suffix.str(); 2109a0747c9fSpatrick if (!VFS.exists(LibDir)) 2110e5dd7070Spatrick continue; 2111a0747c9fSpatrick bool GCCDirExists = VFS.exists(LibDir + "/gcc"); 2112a0747c9fSpatrick bool GCCCrossDirExists = VFS.exists(LibDir + "/gcc-cross"); 2113e5dd7070Spatrick for (StringRef Candidate : CandidateBiarchTripleAliases) 2114a0747c9fSpatrick ScanLibDirForGCCTriple(TargetTriple, Args, LibDir, Candidate, true, 2115a0747c9fSpatrick GCCDirExists, GCCCrossDirExists); 2116e5dd7070Spatrick } 2117a0747c9fSpatrick 2118a0747c9fSpatrick // Skip other prefixes once a GCC installation is found. 2119a0747c9fSpatrick if (Version > VersionZero) 2120a0747c9fSpatrick break; 2121e5dd7070Spatrick } 2122e5dd7070Spatrick } 2123e5dd7070Spatrick 2124e5dd7070Spatrick void Generic_GCC::GCCInstallationDetector::print(raw_ostream &OS) const { 2125e5dd7070Spatrick for (const auto &InstallPath : CandidateGCCInstallPaths) 2126e5dd7070Spatrick OS << "Found candidate GCC installation: " << InstallPath << "\n"; 2127e5dd7070Spatrick 2128e5dd7070Spatrick if (!GCCInstallPath.empty()) 2129e5dd7070Spatrick OS << "Selected GCC installation: " << GCCInstallPath << "\n"; 2130e5dd7070Spatrick 2131e5dd7070Spatrick for (const auto &Multilib : Multilibs) 2132e5dd7070Spatrick OS << "Candidate multilib: " << Multilib << "\n"; 2133e5dd7070Spatrick 2134e5dd7070Spatrick if (Multilibs.size() != 0 || !SelectedMultilib.isDefault()) 2135e5dd7070Spatrick OS << "Selected multilib: " << SelectedMultilib << "\n"; 2136e5dd7070Spatrick } 2137e5dd7070Spatrick 2138e5dd7070Spatrick bool Generic_GCC::GCCInstallationDetector::getBiarchSibling(Multilib &M) const { 2139*7a9b00ceSrobert if (BiarchSibling) { 2140*7a9b00ceSrobert M = *BiarchSibling; 2141e5dd7070Spatrick return true; 2142e5dd7070Spatrick } 2143e5dd7070Spatrick return false; 2144e5dd7070Spatrick } 2145e5dd7070Spatrick 2146e5dd7070Spatrick void Generic_GCC::GCCInstallationDetector::AddDefaultGCCPrefixes( 2147e5dd7070Spatrick const llvm::Triple &TargetTriple, SmallVectorImpl<std::string> &Prefixes, 2148e5dd7070Spatrick StringRef SysRoot) { 2149e5dd7070Spatrick if (TargetTriple.getOS() == llvm::Triple::Solaris) { 2150e5dd7070Spatrick // Solaris is a special case. 2151e5dd7070Spatrick // The GCC installation is under 2152e5dd7070Spatrick // /usr/gcc/<major>.<minor>/lib/gcc/<triple>/<major>.<minor>.<patch>/ 2153e5dd7070Spatrick // so we need to find those /usr/gcc/*/lib/gcc libdirs and go with 2154e5dd7070Spatrick // /usr/gcc/<version> as a prefix. 2155e5dd7070Spatrick 2156*7a9b00ceSrobert std::string PrefixDir = concat(SysRoot, "/usr/gcc"); 2157e5dd7070Spatrick std::error_code EC; 2158e5dd7070Spatrick for (llvm::vfs::directory_iterator LI = D.getVFS().dir_begin(PrefixDir, EC), 2159e5dd7070Spatrick LE; 2160e5dd7070Spatrick !EC && LI != LE; LI = LI.increment(EC)) { 2161e5dd7070Spatrick StringRef VersionText = llvm::sys::path::filename(LI->path()); 2162e5dd7070Spatrick GCCVersion CandidateVersion = GCCVersion::Parse(VersionText); 2163e5dd7070Spatrick 2164e5dd7070Spatrick // Filter out obviously bad entries. 2165e5dd7070Spatrick if (CandidateVersion.Major == -1 || CandidateVersion.isOlderThan(4, 1, 1)) 2166e5dd7070Spatrick continue; 2167e5dd7070Spatrick 2168e5dd7070Spatrick std::string CandidatePrefix = PrefixDir + "/" + VersionText.str(); 2169e5dd7070Spatrick std::string CandidateLibPath = CandidatePrefix + "/lib/gcc"; 2170e5dd7070Spatrick if (!D.getVFS().exists(CandidateLibPath)) 2171e5dd7070Spatrick continue; 2172e5dd7070Spatrick 2173e5dd7070Spatrick Prefixes.push_back(CandidatePrefix); 2174e5dd7070Spatrick } 2175e5dd7070Spatrick return; 2176e5dd7070Spatrick } 2177e5dd7070Spatrick 2178*7a9b00ceSrobert // For Linux, if --sysroot is not specified, look for RHEL/CentOS devtoolsets 2179*7a9b00ceSrobert // and gcc-toolsets. 2180*7a9b00ceSrobert if (SysRoot.empty() && TargetTriple.getOS() == llvm::Triple::Linux && 2181*7a9b00ceSrobert D.getVFS().exists("/opt/rh")) { 2182*7a9b00ceSrobert // TODO: We may want to remove this, since the functionality 2183*7a9b00ceSrobert // can be achieved using config files. 2184*7a9b00ceSrobert Prefixes.push_back("/opt/rh/gcc-toolset-12/root/usr"); 2185*7a9b00ceSrobert Prefixes.push_back("/opt/rh/gcc-toolset-11/root/usr"); 2186*7a9b00ceSrobert Prefixes.push_back("/opt/rh/gcc-toolset-10/root/usr"); 2187*7a9b00ceSrobert Prefixes.push_back("/opt/rh/devtoolset-12/root/usr"); 2188*7a9b00ceSrobert Prefixes.push_back("/opt/rh/devtoolset-11/root/usr"); 2189a0747c9fSpatrick Prefixes.push_back("/opt/rh/devtoolset-10/root/usr"); 2190ec727ea7Spatrick Prefixes.push_back("/opt/rh/devtoolset-9/root/usr"); 2191e5dd7070Spatrick Prefixes.push_back("/opt/rh/devtoolset-8/root/usr"); 2192e5dd7070Spatrick Prefixes.push_back("/opt/rh/devtoolset-7/root/usr"); 2193e5dd7070Spatrick Prefixes.push_back("/opt/rh/devtoolset-6/root/usr"); 2194e5dd7070Spatrick Prefixes.push_back("/opt/rh/devtoolset-4/root/usr"); 2195e5dd7070Spatrick Prefixes.push_back("/opt/rh/devtoolset-3/root/usr"); 2196e5dd7070Spatrick Prefixes.push_back("/opt/rh/devtoolset-2/root/usr"); 2197e5dd7070Spatrick } 2198*7a9b00ceSrobert 2199*7a9b00ceSrobert // Fall back to /usr which is used by most non-Solaris systems. 2200*7a9b00ceSrobert Prefixes.push_back(concat(SysRoot, "/usr")); 2201e5dd7070Spatrick } 2202e5dd7070Spatrick 2203e5dd7070Spatrick /*static*/ void Generic_GCC::GCCInstallationDetector::CollectLibDirsAndTriples( 2204e5dd7070Spatrick const llvm::Triple &TargetTriple, const llvm::Triple &BiarchTriple, 2205e5dd7070Spatrick SmallVectorImpl<StringRef> &LibDirs, 2206e5dd7070Spatrick SmallVectorImpl<StringRef> &TripleAliases, 2207e5dd7070Spatrick SmallVectorImpl<StringRef> &BiarchLibDirs, 2208e5dd7070Spatrick SmallVectorImpl<StringRef> &BiarchTripleAliases) { 2209e5dd7070Spatrick // Declare a bunch of static data sets that we'll select between below. These 2210e5dd7070Spatrick // are specifically designed to always refer to string literals to avoid any 2211e5dd7070Spatrick // lifetime or initialization issues. 2212*7a9b00ceSrobert // 2213*7a9b00ceSrobert // The *Triples variables hard code some triples so that, for example, 2214*7a9b00ceSrobert // --target=aarch64 (incomplete triple) can detect lib/aarch64-linux-gnu. 2215*7a9b00ceSrobert // They are not needed when the user has correct LLVM_DEFAULT_TARGET_TRIPLE 2216*7a9b00ceSrobert // and always uses the full --target (e.g. --target=aarch64-linux-gnu). The 2217*7a9b00ceSrobert // lists should shrink over time. Please don't add more elements to *Triples. 2218e5dd7070Spatrick static const char *const AArch64LibDirs[] = {"/lib64", "/lib"}; 2219e5dd7070Spatrick static const char *const AArch64Triples[] = { 2220e5dd7070Spatrick "aarch64-none-linux-gnu", "aarch64-linux-gnu", "aarch64-redhat-linux", 2221*7a9b00ceSrobert "aarch64-suse-linux"}; 2222e5dd7070Spatrick static const char *const AArch64beLibDirs[] = {"/lib"}; 2223e5dd7070Spatrick static const char *const AArch64beTriples[] = {"aarch64_be-none-linux-gnu", 2224e5dd7070Spatrick "aarch64_be-linux-gnu"}; 2225e5dd7070Spatrick 2226e5dd7070Spatrick static const char *const ARMLibDirs[] = {"/lib"}; 2227*7a9b00ceSrobert static const char *const ARMTriples[] = {"arm-linux-gnueabi"}; 2228e5dd7070Spatrick static const char *const ARMHFTriples[] = {"arm-linux-gnueabihf", 2229e5dd7070Spatrick "armv7hl-redhat-linux-gnueabi", 2230e5dd7070Spatrick "armv6hl-suse-linux-gnueabi", 2231e5dd7070Spatrick "armv7hl-suse-linux-gnueabi"}; 2232e5dd7070Spatrick static const char *const ARMebLibDirs[] = {"/lib"}; 2233*7a9b00ceSrobert static const char *const ARMebTriples[] = {"armeb-linux-gnueabi"}; 2234e5dd7070Spatrick static const char *const ARMebHFTriples[] = { 2235e5dd7070Spatrick "armeb-linux-gnueabihf", "armebv7hl-redhat-linux-gnueabi"}; 2236e5dd7070Spatrick 2237e5dd7070Spatrick static const char *const AVRLibDirs[] = {"/lib"}; 2238e5dd7070Spatrick static const char *const AVRTriples[] = {"avr"}; 2239e5dd7070Spatrick 2240*7a9b00ceSrobert static const char *const CSKYLibDirs[] = {"/lib"}; 2241*7a9b00ceSrobert static const char *const CSKYTriples[] = { 2242*7a9b00ceSrobert "csky-linux-gnuabiv2", "csky-linux-uclibcabiv2", "csky-elf-noneabiv2"}; 2243*7a9b00ceSrobert 2244e5dd7070Spatrick static const char *const X86_64LibDirs[] = {"/lib64", "/lib"}; 2245e5dd7070Spatrick static const char *const X86_64Triples[] = { 2246e5dd7070Spatrick "x86_64-linux-gnu", "x86_64-unknown-linux-gnu", 2247e5dd7070Spatrick "x86_64-pc-linux-gnu", "x86_64-redhat-linux6E", 2248e5dd7070Spatrick "x86_64-redhat-linux", "x86_64-suse-linux", 2249e5dd7070Spatrick "x86_64-manbo-linux-gnu", "x86_64-linux-gnu", 2250e5dd7070Spatrick "x86_64-slackware-linux", "x86_64-unknown-linux", 2251*7a9b00ceSrobert "x86_64-amazon-linux"}; 2252a0747c9fSpatrick static const char *const X32Triples[] = {"x86_64-linux-gnux32", 2253a0747c9fSpatrick "x86_64-pc-linux-gnux32"}; 2254a0747c9fSpatrick static const char *const X32LibDirs[] = {"/libx32", "/lib"}; 2255e5dd7070Spatrick static const char *const X86LibDirs[] = {"/lib32", "/lib"}; 2256e5dd7070Spatrick static const char *const X86Triples[] = { 2257*7a9b00ceSrobert "i586-linux-gnu", "i686-linux-gnu", "i686-pc-linux-gnu", 2258*7a9b00ceSrobert "i386-redhat-linux6E", "i686-redhat-linux", "i386-redhat-linux", 2259*7a9b00ceSrobert "i586-suse-linux", "i686-montavista-linux", "i686-gnu", 2260a0747c9fSpatrick }; 2261a0747c9fSpatrick 2262*7a9b00ceSrobert static const char *const LoongArch64LibDirs[] = {"/lib64", "/lib"}; 2263*7a9b00ceSrobert static const char *const LoongArch64Triples[] = { 2264*7a9b00ceSrobert "loongarch64-linux-gnu", "loongarch64-unknown-linux-gnu"}; 2265*7a9b00ceSrobert 2266a0747c9fSpatrick static const char *const M68kLibDirs[] = {"/lib"}; 2267a0747c9fSpatrick static const char *const M68kTriples[] = { 2268a0747c9fSpatrick "m68k-linux-gnu", "m68k-unknown-linux-gnu", "m68k-suse-linux"}; 2269e5dd7070Spatrick 2270*7a9b00ceSrobert static const char *const MIPSLibDirs[] = {"/libo32", "/lib"}; 2271e5dd7070Spatrick static const char *const MIPSTriples[] = { 2272e5dd7070Spatrick "mips-linux-gnu", "mips-mti-linux", "mips-mti-linux-gnu", 2273e5dd7070Spatrick "mips-img-linux-gnu", "mipsisa32r6-linux-gnu"}; 2274*7a9b00ceSrobert static const char *const MIPSELLibDirs[] = {"/libo32", "/lib"}; 2275e5dd7070Spatrick static const char *const MIPSELTriples[] = { 2276*7a9b00ceSrobert "mipsel-linux-gnu", "mips-img-linux-gnu", "mipsisa32r6el-linux-gnu"}; 2277e5dd7070Spatrick 2278e5dd7070Spatrick static const char *const MIPS64LibDirs[] = {"/lib64", "/lib"}; 2279e5dd7070Spatrick static const char *const MIPS64Triples[] = { 2280e5dd7070Spatrick "mips64-linux-gnu", "mips-mti-linux-gnu", 2281e5dd7070Spatrick "mips-img-linux-gnu", "mips64-linux-gnuabi64", 2282e5dd7070Spatrick "mipsisa64r6-linux-gnu", "mipsisa64r6-linux-gnuabi64"}; 2283e5dd7070Spatrick static const char *const MIPS64ELLibDirs[] = {"/lib64", "/lib"}; 2284e5dd7070Spatrick static const char *const MIPS64ELTriples[] = { 2285e5dd7070Spatrick "mips64el-linux-gnu", "mips-mti-linux-gnu", 2286e5dd7070Spatrick "mips-img-linux-gnu", "mips64el-linux-gnuabi64", 2287*7a9b00ceSrobert "mipsisa64r6el-linux-gnu", "mipsisa64r6el-linux-gnuabi64"}; 2288e5dd7070Spatrick 2289e5dd7070Spatrick static const char *const MIPSN32LibDirs[] = {"/lib32"}; 2290e5dd7070Spatrick static const char *const MIPSN32Triples[] = {"mips64-linux-gnuabin32", 2291e5dd7070Spatrick "mipsisa64r6-linux-gnuabin32"}; 2292e5dd7070Spatrick static const char *const MIPSN32ELLibDirs[] = {"/lib32"}; 2293e5dd7070Spatrick static const char *const MIPSN32ELTriples[] = { 2294e5dd7070Spatrick "mips64el-linux-gnuabin32", "mipsisa64r6el-linux-gnuabin32"}; 2295e5dd7070Spatrick 2296e5dd7070Spatrick static const char *const MSP430LibDirs[] = {"/lib"}; 2297e5dd7070Spatrick static const char *const MSP430Triples[] = {"msp430-elf"}; 2298e5dd7070Spatrick 2299e5dd7070Spatrick static const char *const PPCLibDirs[] = {"/lib32", "/lib"}; 2300e5dd7070Spatrick static const char *const PPCTriples[] = { 2301e5dd7070Spatrick "powerpc-linux-gnu", "powerpc-unknown-linux-gnu", "powerpc-linux-gnuspe", 2302e5dd7070Spatrick // On 32-bit PowerPC systems running SUSE Linux, gcc is configured as a 2303e5dd7070Spatrick // 64-bit compiler which defaults to "-m32", hence "powerpc64-suse-linux". 2304e5dd7070Spatrick "powerpc64-suse-linux", "powerpc-montavista-linuxspe"}; 2305a0747c9fSpatrick static const char *const PPCLELibDirs[] = {"/lib32", "/lib"}; 2306a0747c9fSpatrick static const char *const PPCLETriples[] = {"powerpcle-linux-gnu", 2307a0747c9fSpatrick "powerpcle-unknown-linux-gnu", 2308a0747c9fSpatrick "powerpcle-linux-musl"}; 2309a0747c9fSpatrick 2310e5dd7070Spatrick static const char *const PPC64LibDirs[] = {"/lib64", "/lib"}; 2311e5dd7070Spatrick static const char *const PPC64Triples[] = { 2312e5dd7070Spatrick "powerpc64-linux-gnu", "powerpc64-unknown-linux-gnu", 2313e5dd7070Spatrick "powerpc64-suse-linux", "ppc64-redhat-linux"}; 2314e5dd7070Spatrick static const char *const PPC64LELibDirs[] = {"/lib64", "/lib"}; 2315e5dd7070Spatrick static const char *const PPC64LETriples[] = { 2316e5dd7070Spatrick "powerpc64le-linux-gnu", "powerpc64le-unknown-linux-gnu", 2317a0747c9fSpatrick "powerpc64le-none-linux-gnu", "powerpc64le-suse-linux", 2318a0747c9fSpatrick "ppc64le-redhat-linux"}; 2319e5dd7070Spatrick 2320e5dd7070Spatrick static const char *const RISCV32LibDirs[] = {"/lib32", "/lib"}; 2321e5dd7070Spatrick static const char *const RISCV32Triples[] = {"riscv32-unknown-linux-gnu", 2322e5dd7070Spatrick "riscv32-linux-gnu", 2323e5dd7070Spatrick "riscv32-unknown-elf"}; 2324e5dd7070Spatrick static const char *const RISCV64LibDirs[] = {"/lib64", "/lib"}; 2325e5dd7070Spatrick static const char *const RISCV64Triples[] = {"riscv64-unknown-linux-gnu", 2326e5dd7070Spatrick "riscv64-linux-gnu", 2327*7a9b00ceSrobert "riscv64-unknown-elf"}; 2328e5dd7070Spatrick 2329e5dd7070Spatrick static const char *const SPARCv8LibDirs[] = {"/lib32", "/lib"}; 2330e5dd7070Spatrick static const char *const SPARCv8Triples[] = {"sparc-linux-gnu", 2331e5dd7070Spatrick "sparcv8-linux-gnu"}; 2332e5dd7070Spatrick static const char *const SPARCv9LibDirs[] = {"/lib64", "/lib"}; 2333e5dd7070Spatrick static const char *const SPARCv9Triples[] = {"sparc64-linux-gnu", 2334e5dd7070Spatrick "sparcv9-linux-gnu"}; 2335e5dd7070Spatrick 2336e5dd7070Spatrick static const char *const SystemZLibDirs[] = {"/lib64", "/lib"}; 2337e5dd7070Spatrick static const char *const SystemZTriples[] = { 2338e5dd7070Spatrick "s390x-linux-gnu", "s390x-unknown-linux-gnu", "s390x-ibm-linux-gnu", 2339e5dd7070Spatrick "s390x-suse-linux", "s390x-redhat-linux"}; 2340e5dd7070Spatrick 2341e5dd7070Spatrick 2342e5dd7070Spatrick using std::begin; 2343e5dd7070Spatrick using std::end; 2344e5dd7070Spatrick 2345e5dd7070Spatrick if (TargetTriple.getOS() == llvm::Triple::Solaris) { 2346e5dd7070Spatrick static const char *const SolarisLibDirs[] = {"/lib"}; 2347e5dd7070Spatrick static const char *const SolarisSparcV8Triples[] = { 2348e5dd7070Spatrick "sparc-sun-solaris2.11", "sparc-sun-solaris2.12"}; 2349e5dd7070Spatrick static const char *const SolarisSparcV9Triples[] = { 2350e5dd7070Spatrick "sparcv9-sun-solaris2.11", "sparcv9-sun-solaris2.12"}; 2351e5dd7070Spatrick static const char *const SolarisX86Triples[] = {"i386-pc-solaris2.11", 2352e5dd7070Spatrick "i386-pc-solaris2.12"}; 2353e5dd7070Spatrick static const char *const SolarisX86_64Triples[] = {"x86_64-pc-solaris2.11", 2354e5dd7070Spatrick "x86_64-pc-solaris2.12"}; 2355e5dd7070Spatrick LibDirs.append(begin(SolarisLibDirs), end(SolarisLibDirs)); 2356e5dd7070Spatrick BiarchLibDirs.append(begin(SolarisLibDirs), end(SolarisLibDirs)); 2357e5dd7070Spatrick switch (TargetTriple.getArch()) { 2358e5dd7070Spatrick case llvm::Triple::x86: 2359e5dd7070Spatrick TripleAliases.append(begin(SolarisX86Triples), end(SolarisX86Triples)); 2360e5dd7070Spatrick BiarchTripleAliases.append(begin(SolarisX86_64Triples), 2361e5dd7070Spatrick end(SolarisX86_64Triples)); 2362e5dd7070Spatrick break; 2363e5dd7070Spatrick case llvm::Triple::x86_64: 2364e5dd7070Spatrick TripleAliases.append(begin(SolarisX86_64Triples), 2365e5dd7070Spatrick end(SolarisX86_64Triples)); 2366e5dd7070Spatrick BiarchTripleAliases.append(begin(SolarisX86Triples), 2367e5dd7070Spatrick end(SolarisX86Triples)); 2368e5dd7070Spatrick break; 2369e5dd7070Spatrick case llvm::Triple::sparc: 2370e5dd7070Spatrick TripleAliases.append(begin(SolarisSparcV8Triples), 2371e5dd7070Spatrick end(SolarisSparcV8Triples)); 2372e5dd7070Spatrick BiarchTripleAliases.append(begin(SolarisSparcV9Triples), 2373e5dd7070Spatrick end(SolarisSparcV9Triples)); 2374e5dd7070Spatrick break; 2375e5dd7070Spatrick case llvm::Triple::sparcv9: 2376e5dd7070Spatrick TripleAliases.append(begin(SolarisSparcV9Triples), 2377e5dd7070Spatrick end(SolarisSparcV9Triples)); 2378e5dd7070Spatrick BiarchTripleAliases.append(begin(SolarisSparcV8Triples), 2379e5dd7070Spatrick end(SolarisSparcV8Triples)); 2380e5dd7070Spatrick break; 2381e5dd7070Spatrick default: 2382e5dd7070Spatrick break; 2383e5dd7070Spatrick } 2384e5dd7070Spatrick return; 2385e5dd7070Spatrick } 2386e5dd7070Spatrick 2387e5dd7070Spatrick // Android targets should not use GNU/Linux tools or libraries. 2388e5dd7070Spatrick if (TargetTriple.isAndroid()) { 2389e5dd7070Spatrick static const char *const AArch64AndroidTriples[] = { 2390e5dd7070Spatrick "aarch64-linux-android"}; 2391e5dd7070Spatrick static const char *const ARMAndroidTriples[] = {"arm-linux-androideabi"}; 2392e5dd7070Spatrick static const char *const MIPSELAndroidTriples[] = {"mipsel-linux-android"}; 2393e5dd7070Spatrick static const char *const MIPS64ELAndroidTriples[] = { 2394e5dd7070Spatrick "mips64el-linux-android"}; 2395e5dd7070Spatrick static const char *const X86AndroidTriples[] = {"i686-linux-android"}; 2396e5dd7070Spatrick static const char *const X86_64AndroidTriples[] = {"x86_64-linux-android"}; 2397e5dd7070Spatrick 2398e5dd7070Spatrick switch (TargetTriple.getArch()) { 2399e5dd7070Spatrick case llvm::Triple::aarch64: 2400e5dd7070Spatrick LibDirs.append(begin(AArch64LibDirs), end(AArch64LibDirs)); 2401e5dd7070Spatrick TripleAliases.append(begin(AArch64AndroidTriples), 2402e5dd7070Spatrick end(AArch64AndroidTriples)); 2403e5dd7070Spatrick break; 2404e5dd7070Spatrick case llvm::Triple::arm: 2405e5dd7070Spatrick case llvm::Triple::thumb: 2406e5dd7070Spatrick LibDirs.append(begin(ARMLibDirs), end(ARMLibDirs)); 2407e5dd7070Spatrick TripleAliases.append(begin(ARMAndroidTriples), end(ARMAndroidTriples)); 2408e5dd7070Spatrick break; 2409e5dd7070Spatrick case llvm::Triple::mipsel: 2410e5dd7070Spatrick LibDirs.append(begin(MIPSELLibDirs), end(MIPSELLibDirs)); 2411e5dd7070Spatrick TripleAliases.append(begin(MIPSELAndroidTriples), 2412e5dd7070Spatrick end(MIPSELAndroidTriples)); 2413e5dd7070Spatrick BiarchLibDirs.append(begin(MIPS64ELLibDirs), end(MIPS64ELLibDirs)); 2414e5dd7070Spatrick BiarchTripleAliases.append(begin(MIPS64ELAndroidTriples), 2415e5dd7070Spatrick end(MIPS64ELAndroidTriples)); 2416e5dd7070Spatrick break; 2417e5dd7070Spatrick case llvm::Triple::mips64el: 2418e5dd7070Spatrick LibDirs.append(begin(MIPS64ELLibDirs), end(MIPS64ELLibDirs)); 2419e5dd7070Spatrick TripleAliases.append(begin(MIPS64ELAndroidTriples), 2420e5dd7070Spatrick end(MIPS64ELAndroidTriples)); 2421e5dd7070Spatrick BiarchLibDirs.append(begin(MIPSELLibDirs), end(MIPSELLibDirs)); 2422e5dd7070Spatrick BiarchTripleAliases.append(begin(MIPSELAndroidTriples), 2423e5dd7070Spatrick end(MIPSELAndroidTriples)); 2424e5dd7070Spatrick break; 2425e5dd7070Spatrick case llvm::Triple::x86_64: 2426e5dd7070Spatrick LibDirs.append(begin(X86_64LibDirs), end(X86_64LibDirs)); 2427e5dd7070Spatrick TripleAliases.append(begin(X86_64AndroidTriples), 2428e5dd7070Spatrick end(X86_64AndroidTriples)); 2429e5dd7070Spatrick BiarchLibDirs.append(begin(X86LibDirs), end(X86LibDirs)); 2430e5dd7070Spatrick BiarchTripleAliases.append(begin(X86AndroidTriples), 2431e5dd7070Spatrick end(X86AndroidTriples)); 2432e5dd7070Spatrick break; 2433e5dd7070Spatrick case llvm::Triple::x86: 2434e5dd7070Spatrick LibDirs.append(begin(X86LibDirs), end(X86LibDirs)); 2435e5dd7070Spatrick TripleAliases.append(begin(X86AndroidTriples), end(X86AndroidTriples)); 2436e5dd7070Spatrick BiarchLibDirs.append(begin(X86_64LibDirs), end(X86_64LibDirs)); 2437e5dd7070Spatrick BiarchTripleAliases.append(begin(X86_64AndroidTriples), 2438e5dd7070Spatrick end(X86_64AndroidTriples)); 2439e5dd7070Spatrick break; 2440e5dd7070Spatrick default: 2441e5dd7070Spatrick break; 2442e5dd7070Spatrick } 2443e5dd7070Spatrick 2444e5dd7070Spatrick return; 2445e5dd7070Spatrick } 2446e5dd7070Spatrick 2447e5dd7070Spatrick switch (TargetTriple.getArch()) { 2448e5dd7070Spatrick case llvm::Triple::aarch64: 2449e5dd7070Spatrick LibDirs.append(begin(AArch64LibDirs), end(AArch64LibDirs)); 2450e5dd7070Spatrick TripleAliases.append(begin(AArch64Triples), end(AArch64Triples)); 2451e5dd7070Spatrick BiarchLibDirs.append(begin(AArch64LibDirs), end(AArch64LibDirs)); 2452e5dd7070Spatrick BiarchTripleAliases.append(begin(AArch64Triples), end(AArch64Triples)); 2453e5dd7070Spatrick break; 2454e5dd7070Spatrick case llvm::Triple::aarch64_be: 2455e5dd7070Spatrick LibDirs.append(begin(AArch64beLibDirs), end(AArch64beLibDirs)); 2456e5dd7070Spatrick TripleAliases.append(begin(AArch64beTriples), end(AArch64beTriples)); 2457e5dd7070Spatrick BiarchLibDirs.append(begin(AArch64beLibDirs), end(AArch64beLibDirs)); 2458e5dd7070Spatrick BiarchTripleAliases.append(begin(AArch64beTriples), end(AArch64beTriples)); 2459e5dd7070Spatrick break; 2460e5dd7070Spatrick case llvm::Triple::arm: 2461e5dd7070Spatrick case llvm::Triple::thumb: 2462e5dd7070Spatrick LibDirs.append(begin(ARMLibDirs), end(ARMLibDirs)); 2463e5dd7070Spatrick if (TargetTriple.getEnvironment() == llvm::Triple::GNUEABIHF) { 2464e5dd7070Spatrick TripleAliases.append(begin(ARMHFTriples), end(ARMHFTriples)); 2465e5dd7070Spatrick } else { 2466e5dd7070Spatrick TripleAliases.append(begin(ARMTriples), end(ARMTriples)); 2467e5dd7070Spatrick } 2468e5dd7070Spatrick break; 2469e5dd7070Spatrick case llvm::Triple::armeb: 2470e5dd7070Spatrick case llvm::Triple::thumbeb: 2471e5dd7070Spatrick LibDirs.append(begin(ARMebLibDirs), end(ARMebLibDirs)); 2472e5dd7070Spatrick if (TargetTriple.getEnvironment() == llvm::Triple::GNUEABIHF) { 2473e5dd7070Spatrick TripleAliases.append(begin(ARMebHFTriples), end(ARMebHFTriples)); 2474e5dd7070Spatrick } else { 2475e5dd7070Spatrick TripleAliases.append(begin(ARMebTriples), end(ARMebTriples)); 2476e5dd7070Spatrick } 2477e5dd7070Spatrick break; 2478e5dd7070Spatrick case llvm::Triple::avr: 2479e5dd7070Spatrick LibDirs.append(begin(AVRLibDirs), end(AVRLibDirs)); 2480e5dd7070Spatrick TripleAliases.append(begin(AVRTriples), end(AVRTriples)); 2481e5dd7070Spatrick break; 2482*7a9b00ceSrobert case llvm::Triple::csky: 2483*7a9b00ceSrobert LibDirs.append(begin(CSKYLibDirs), end(CSKYLibDirs)); 2484*7a9b00ceSrobert TripleAliases.append(begin(CSKYTriples), end(CSKYTriples)); 2485*7a9b00ceSrobert break; 2486e5dd7070Spatrick case llvm::Triple::x86_64: 2487a0747c9fSpatrick if (TargetTriple.isX32()) { 2488a0747c9fSpatrick LibDirs.append(begin(X32LibDirs), end(X32LibDirs)); 2489a0747c9fSpatrick TripleAliases.append(begin(X32Triples), end(X32Triples)); 2490a0747c9fSpatrick BiarchLibDirs.append(begin(X86_64LibDirs), end(X86_64LibDirs)); 2491e5dd7070Spatrick BiarchTripleAliases.append(begin(X86_64Triples), end(X86_64Triples)); 2492e5dd7070Spatrick } else { 2493a0747c9fSpatrick LibDirs.append(begin(X86_64LibDirs), end(X86_64LibDirs)); 2494a0747c9fSpatrick TripleAliases.append(begin(X86_64Triples), end(X86_64Triples)); 2495a0747c9fSpatrick BiarchLibDirs.append(begin(X32LibDirs), end(X32LibDirs)); 2496a0747c9fSpatrick BiarchTripleAliases.append(begin(X32Triples), end(X32Triples)); 2497a0747c9fSpatrick } 2498e5dd7070Spatrick BiarchLibDirs.append(begin(X86LibDirs), end(X86LibDirs)); 2499e5dd7070Spatrick BiarchTripleAliases.append(begin(X86Triples), end(X86Triples)); 2500e5dd7070Spatrick break; 2501e5dd7070Spatrick case llvm::Triple::x86: 2502e5dd7070Spatrick LibDirs.append(begin(X86LibDirs), end(X86LibDirs)); 2503e5dd7070Spatrick // MCU toolchain is 32 bit only and its triple alias is TargetTriple 2504e5dd7070Spatrick // itself, which will be appended below. 2505e5dd7070Spatrick if (!TargetTriple.isOSIAMCU()) { 2506e5dd7070Spatrick TripleAliases.append(begin(X86Triples), end(X86Triples)); 2507e5dd7070Spatrick BiarchLibDirs.append(begin(X86_64LibDirs), end(X86_64LibDirs)); 2508e5dd7070Spatrick BiarchTripleAliases.append(begin(X86_64Triples), end(X86_64Triples)); 2509a0747c9fSpatrick BiarchLibDirs.append(begin(X32LibDirs), end(X32LibDirs)); 2510a0747c9fSpatrick BiarchTripleAliases.append(begin(X32Triples), end(X32Triples)); 2511e5dd7070Spatrick } 2512e5dd7070Spatrick break; 2513*7a9b00ceSrobert // TODO: Handle loongarch32. 2514*7a9b00ceSrobert case llvm::Triple::loongarch64: 2515*7a9b00ceSrobert LibDirs.append(begin(LoongArch64LibDirs), end(LoongArch64LibDirs)); 2516*7a9b00ceSrobert TripleAliases.append(begin(LoongArch64Triples), end(LoongArch64Triples)); 2517*7a9b00ceSrobert break; 2518a0747c9fSpatrick case llvm::Triple::m68k: 2519a0747c9fSpatrick LibDirs.append(begin(M68kLibDirs), end(M68kLibDirs)); 2520a0747c9fSpatrick TripleAliases.append(begin(M68kTriples), end(M68kTriples)); 2521a0747c9fSpatrick break; 2522e5dd7070Spatrick case llvm::Triple::mips: 2523e5dd7070Spatrick LibDirs.append(begin(MIPSLibDirs), end(MIPSLibDirs)); 2524e5dd7070Spatrick TripleAliases.append(begin(MIPSTriples), end(MIPSTriples)); 2525e5dd7070Spatrick BiarchLibDirs.append(begin(MIPS64LibDirs), end(MIPS64LibDirs)); 2526e5dd7070Spatrick BiarchTripleAliases.append(begin(MIPS64Triples), end(MIPS64Triples)); 2527e5dd7070Spatrick BiarchLibDirs.append(begin(MIPSN32LibDirs), end(MIPSN32LibDirs)); 2528e5dd7070Spatrick BiarchTripleAliases.append(begin(MIPSN32Triples), end(MIPSN32Triples)); 2529e5dd7070Spatrick break; 2530e5dd7070Spatrick case llvm::Triple::mipsel: 2531e5dd7070Spatrick LibDirs.append(begin(MIPSELLibDirs), end(MIPSELLibDirs)); 2532e5dd7070Spatrick TripleAliases.append(begin(MIPSELTriples), end(MIPSELTriples)); 2533e5dd7070Spatrick TripleAliases.append(begin(MIPSTriples), end(MIPSTriples)); 2534e5dd7070Spatrick BiarchLibDirs.append(begin(MIPS64ELLibDirs), end(MIPS64ELLibDirs)); 2535e5dd7070Spatrick BiarchTripleAliases.append(begin(MIPS64ELTriples), end(MIPS64ELTriples)); 2536e5dd7070Spatrick BiarchLibDirs.append(begin(MIPSN32ELLibDirs), end(MIPSN32ELLibDirs)); 2537e5dd7070Spatrick BiarchTripleAliases.append(begin(MIPSN32ELTriples), end(MIPSN32ELTriples)); 2538e5dd7070Spatrick break; 2539e5dd7070Spatrick case llvm::Triple::mips64: 2540e5dd7070Spatrick LibDirs.append(begin(MIPS64LibDirs), end(MIPS64LibDirs)); 2541e5dd7070Spatrick TripleAliases.append(begin(MIPS64Triples), end(MIPS64Triples)); 2542e5dd7070Spatrick BiarchLibDirs.append(begin(MIPSLibDirs), end(MIPSLibDirs)); 2543e5dd7070Spatrick BiarchTripleAliases.append(begin(MIPSTriples), end(MIPSTriples)); 2544e5dd7070Spatrick BiarchLibDirs.append(begin(MIPSN32LibDirs), end(MIPSN32LibDirs)); 2545e5dd7070Spatrick BiarchTripleAliases.append(begin(MIPSN32Triples), end(MIPSN32Triples)); 2546e5dd7070Spatrick break; 2547e5dd7070Spatrick case llvm::Triple::mips64el: 2548e5dd7070Spatrick LibDirs.append(begin(MIPS64ELLibDirs), end(MIPS64ELLibDirs)); 2549e5dd7070Spatrick TripleAliases.append(begin(MIPS64ELTriples), end(MIPS64ELTriples)); 2550e5dd7070Spatrick BiarchLibDirs.append(begin(MIPSELLibDirs), end(MIPSELLibDirs)); 2551e5dd7070Spatrick BiarchTripleAliases.append(begin(MIPSELTriples), end(MIPSELTriples)); 2552e5dd7070Spatrick BiarchLibDirs.append(begin(MIPSN32ELLibDirs), end(MIPSN32ELLibDirs)); 2553e5dd7070Spatrick BiarchTripleAliases.append(begin(MIPSN32ELTriples), end(MIPSN32ELTriples)); 2554e5dd7070Spatrick BiarchTripleAliases.append(begin(MIPSTriples), end(MIPSTriples)); 2555e5dd7070Spatrick break; 2556e5dd7070Spatrick case llvm::Triple::msp430: 2557e5dd7070Spatrick LibDirs.append(begin(MSP430LibDirs), end(MSP430LibDirs)); 2558e5dd7070Spatrick TripleAliases.append(begin(MSP430Triples), end(MSP430Triples)); 2559e5dd7070Spatrick break; 2560e5dd7070Spatrick case llvm::Triple::ppc: 2561e5dd7070Spatrick LibDirs.append(begin(PPCLibDirs), end(PPCLibDirs)); 2562e5dd7070Spatrick TripleAliases.append(begin(PPCTriples), end(PPCTriples)); 2563e5dd7070Spatrick BiarchLibDirs.append(begin(PPC64LibDirs), end(PPC64LibDirs)); 2564e5dd7070Spatrick BiarchTripleAliases.append(begin(PPC64Triples), end(PPC64Triples)); 2565e5dd7070Spatrick break; 2566a0747c9fSpatrick case llvm::Triple::ppcle: 2567a0747c9fSpatrick LibDirs.append(begin(PPCLELibDirs), end(PPCLELibDirs)); 2568a0747c9fSpatrick TripleAliases.append(begin(PPCLETriples), end(PPCLETriples)); 2569a0747c9fSpatrick BiarchLibDirs.append(begin(PPC64LELibDirs), end(PPC64LELibDirs)); 2570a0747c9fSpatrick BiarchTripleAliases.append(begin(PPC64LETriples), end(PPC64LETriples)); 2571a0747c9fSpatrick break; 2572e5dd7070Spatrick case llvm::Triple::ppc64: 2573e5dd7070Spatrick LibDirs.append(begin(PPC64LibDirs), end(PPC64LibDirs)); 2574e5dd7070Spatrick TripleAliases.append(begin(PPC64Triples), end(PPC64Triples)); 2575e5dd7070Spatrick BiarchLibDirs.append(begin(PPCLibDirs), end(PPCLibDirs)); 2576e5dd7070Spatrick BiarchTripleAliases.append(begin(PPCTriples), end(PPCTriples)); 2577e5dd7070Spatrick break; 2578e5dd7070Spatrick case llvm::Triple::ppc64le: 2579e5dd7070Spatrick LibDirs.append(begin(PPC64LELibDirs), end(PPC64LELibDirs)); 2580e5dd7070Spatrick TripleAliases.append(begin(PPC64LETriples), end(PPC64LETriples)); 2581a0747c9fSpatrick BiarchLibDirs.append(begin(PPCLELibDirs), end(PPCLELibDirs)); 2582a0747c9fSpatrick BiarchTripleAliases.append(begin(PPCLETriples), end(PPCLETriples)); 2583e5dd7070Spatrick break; 2584e5dd7070Spatrick case llvm::Triple::riscv32: 2585e5dd7070Spatrick LibDirs.append(begin(RISCV32LibDirs), end(RISCV32LibDirs)); 2586e5dd7070Spatrick TripleAliases.append(begin(RISCV32Triples), end(RISCV32Triples)); 2587e5dd7070Spatrick BiarchLibDirs.append(begin(RISCV64LibDirs), end(RISCV64LibDirs)); 2588e5dd7070Spatrick BiarchTripleAliases.append(begin(RISCV64Triples), end(RISCV64Triples)); 2589e5dd7070Spatrick break; 2590e5dd7070Spatrick case llvm::Triple::riscv64: 2591e5dd7070Spatrick LibDirs.append(begin(RISCV64LibDirs), end(RISCV64LibDirs)); 2592e5dd7070Spatrick TripleAliases.append(begin(RISCV64Triples), end(RISCV64Triples)); 2593e5dd7070Spatrick BiarchLibDirs.append(begin(RISCV32LibDirs), end(RISCV32LibDirs)); 2594e5dd7070Spatrick BiarchTripleAliases.append(begin(RISCV32Triples), end(RISCV32Triples)); 2595e5dd7070Spatrick break; 2596e5dd7070Spatrick case llvm::Triple::sparc: 2597e5dd7070Spatrick case llvm::Triple::sparcel: 2598e5dd7070Spatrick LibDirs.append(begin(SPARCv8LibDirs), end(SPARCv8LibDirs)); 2599e5dd7070Spatrick TripleAliases.append(begin(SPARCv8Triples), end(SPARCv8Triples)); 2600e5dd7070Spatrick BiarchLibDirs.append(begin(SPARCv9LibDirs), end(SPARCv9LibDirs)); 2601e5dd7070Spatrick BiarchTripleAliases.append(begin(SPARCv9Triples), end(SPARCv9Triples)); 2602e5dd7070Spatrick break; 2603e5dd7070Spatrick case llvm::Triple::sparcv9: 2604e5dd7070Spatrick LibDirs.append(begin(SPARCv9LibDirs), end(SPARCv9LibDirs)); 2605e5dd7070Spatrick TripleAliases.append(begin(SPARCv9Triples), end(SPARCv9Triples)); 2606e5dd7070Spatrick BiarchLibDirs.append(begin(SPARCv8LibDirs), end(SPARCv8LibDirs)); 2607e5dd7070Spatrick BiarchTripleAliases.append(begin(SPARCv8Triples), end(SPARCv8Triples)); 2608e5dd7070Spatrick break; 2609e5dd7070Spatrick case llvm::Triple::systemz: 2610e5dd7070Spatrick LibDirs.append(begin(SystemZLibDirs), end(SystemZLibDirs)); 2611e5dd7070Spatrick TripleAliases.append(begin(SystemZTriples), end(SystemZTriples)); 2612e5dd7070Spatrick break; 2613e5dd7070Spatrick default: 2614e5dd7070Spatrick // By default, just rely on the standard lib directories and the original 2615e5dd7070Spatrick // triple. 2616e5dd7070Spatrick break; 2617e5dd7070Spatrick } 2618e5dd7070Spatrick 2619e5dd7070Spatrick // Always append the drivers target triple to the end, in case it doesn't 2620e5dd7070Spatrick // match any of our aliases. 2621e5dd7070Spatrick TripleAliases.push_back(TargetTriple.str()); 2622e5dd7070Spatrick 2623e5dd7070Spatrick // Also include the multiarch variant if it's different. 2624e5dd7070Spatrick if (TargetTriple.str() != BiarchTriple.str()) 2625e5dd7070Spatrick BiarchTripleAliases.push_back(BiarchTriple.str()); 2626e5dd7070Spatrick } 2627e5dd7070Spatrick 2628e5dd7070Spatrick bool Generic_GCC::GCCInstallationDetector::ScanGCCForMultilibs( 2629e5dd7070Spatrick const llvm::Triple &TargetTriple, const ArgList &Args, 2630e5dd7070Spatrick StringRef Path, bool NeedsBiarchSuffix) { 2631e5dd7070Spatrick llvm::Triple::ArchType TargetArch = TargetTriple.getArch(); 2632e5dd7070Spatrick DetectedMultilibs Detected; 2633e5dd7070Spatrick 2634e5dd7070Spatrick // Android standalone toolchain could have multilibs for ARM and Thumb. 2635e5dd7070Spatrick // Debian mips multilibs behave more like the rest of the biarch ones, 2636e5dd7070Spatrick // so handle them there 2637e5dd7070Spatrick if (isArmOrThumbArch(TargetArch) && TargetTriple.isAndroid()) { 2638e5dd7070Spatrick // It should also work without multilibs in a simplified toolchain. 2639e5dd7070Spatrick findAndroidArmMultilibs(D, TargetTriple, Path, Args, Detected); 2640*7a9b00ceSrobert } else if (TargetTriple.isCSKY()) { 2641*7a9b00ceSrobert findCSKYMultilibs(D, TargetTriple, Path, Args, Detected); 2642e5dd7070Spatrick } else if (TargetTriple.isMIPS()) { 2643e5dd7070Spatrick if (!findMIPSMultilibs(D, TargetTriple, Path, Args, Detected)) 2644e5dd7070Spatrick return false; 2645e5dd7070Spatrick } else if (TargetTriple.isRISCV()) { 2646e5dd7070Spatrick findRISCVMultilibs(D, TargetTriple, Path, Args, Detected); 2647e5dd7070Spatrick } else if (isMSP430(TargetArch)) { 2648e5dd7070Spatrick findMSP430Multilibs(D, TargetTriple, Path, Args, Detected); 2649e5dd7070Spatrick } else if (TargetArch == llvm::Triple::avr) { 2650e5dd7070Spatrick // AVR has no multilibs. 2651e5dd7070Spatrick } else if (!findBiarchMultilibs(D, TargetTriple, Path, Args, 2652e5dd7070Spatrick NeedsBiarchSuffix, Detected)) { 2653e5dd7070Spatrick return false; 2654e5dd7070Spatrick } 2655e5dd7070Spatrick 2656e5dd7070Spatrick Multilibs = Detected.Multilibs; 2657e5dd7070Spatrick SelectedMultilib = Detected.SelectedMultilib; 2658e5dd7070Spatrick BiarchSibling = Detected.BiarchSibling; 2659e5dd7070Spatrick 2660e5dd7070Spatrick return true; 2661e5dd7070Spatrick } 2662e5dd7070Spatrick 2663e5dd7070Spatrick void Generic_GCC::GCCInstallationDetector::ScanLibDirForGCCTriple( 2664e5dd7070Spatrick const llvm::Triple &TargetTriple, const ArgList &Args, 2665e5dd7070Spatrick const std::string &LibDir, StringRef CandidateTriple, 2666a0747c9fSpatrick bool NeedsBiarchSuffix, bool GCCDirExists, bool GCCCrossDirExists) { 2667e5dd7070Spatrick // Locations relative to the system lib directory where GCC's triple-specific 2668e5dd7070Spatrick // directories might reside. 2669e5dd7070Spatrick struct GCCLibSuffix { 2670e5dd7070Spatrick // Path from system lib directory to GCC triple-specific directory. 2671e5dd7070Spatrick std::string LibSuffix; 2672e5dd7070Spatrick // Path from GCC triple-specific directory back to system lib directory. 2673e5dd7070Spatrick // This is one '..' component per component in LibSuffix. 2674e5dd7070Spatrick StringRef ReversePath; 2675e5dd7070Spatrick // Whether this library suffix is relevant for the triple. 2676e5dd7070Spatrick bool Active; 2677e5dd7070Spatrick } Suffixes[] = { 2678e5dd7070Spatrick // This is the normal place. 2679a0747c9fSpatrick {"gcc/" + CandidateTriple.str(), "../..", GCCDirExists}, 2680e5dd7070Spatrick 2681e5dd7070Spatrick // Debian puts cross-compilers in gcc-cross. 2682a0747c9fSpatrick {"gcc-cross/" + CandidateTriple.str(), "../..", GCCCrossDirExists}, 2683e5dd7070Spatrick 2684e5dd7070Spatrick // The Freescale PPC SDK has the gcc libraries in 2685e5dd7070Spatrick // <sysroot>/usr/lib/<triple>/x.y.z so have a look there as well. Only do 2686e5dd7070Spatrick // this on Freescale triples, though, since some systems put a *lot* of 2687e5dd7070Spatrick // files in that location, not just GCC installation data. 2688e5dd7070Spatrick {CandidateTriple.str(), "..", 2689e5dd7070Spatrick TargetTriple.getVendor() == llvm::Triple::Freescale || 2690a0747c9fSpatrick TargetTriple.getVendor() == llvm::Triple::OpenEmbedded}}; 2691e5dd7070Spatrick 2692e5dd7070Spatrick for (auto &Suffix : Suffixes) { 2693e5dd7070Spatrick if (!Suffix.Active) 2694e5dd7070Spatrick continue; 2695e5dd7070Spatrick 2696e5dd7070Spatrick StringRef LibSuffix = Suffix.LibSuffix; 2697e5dd7070Spatrick std::error_code EC; 2698e5dd7070Spatrick for (llvm::vfs::directory_iterator 2699e5dd7070Spatrick LI = D.getVFS().dir_begin(LibDir + "/" + LibSuffix, EC), 2700e5dd7070Spatrick LE; 2701e5dd7070Spatrick !EC && LI != LE; LI = LI.increment(EC)) { 2702e5dd7070Spatrick StringRef VersionText = llvm::sys::path::filename(LI->path()); 2703e5dd7070Spatrick GCCVersion CandidateVersion = GCCVersion::Parse(VersionText); 2704e5dd7070Spatrick if (CandidateVersion.Major != -1) // Filter obviously bad entries. 2705ec727ea7Spatrick if (!CandidateGCCInstallPaths.insert(std::string(LI->path())).second) 2706e5dd7070Spatrick continue; // Saw this path before; no need to look at it again. 2707e5dd7070Spatrick if (CandidateVersion.isOlderThan(4, 1, 1)) 2708e5dd7070Spatrick continue; 2709e5dd7070Spatrick if (CandidateVersion <= Version) 2710e5dd7070Spatrick continue; 2711e5dd7070Spatrick 2712e5dd7070Spatrick if (!ScanGCCForMultilibs(TargetTriple, Args, LI->path(), 2713e5dd7070Spatrick NeedsBiarchSuffix)) 2714e5dd7070Spatrick continue; 2715e5dd7070Spatrick 2716e5dd7070Spatrick Version = CandidateVersion; 2717e5dd7070Spatrick GCCTriple.setTriple(CandidateTriple); 2718e5dd7070Spatrick // FIXME: We hack together the directory name here instead of 2719e5dd7070Spatrick // using LI to ensure stable path separators across Windows and 2720e5dd7070Spatrick // Linux. 2721e5dd7070Spatrick GCCInstallPath = (LibDir + "/" + LibSuffix + "/" + VersionText).str(); 2722e5dd7070Spatrick GCCParentLibPath = (GCCInstallPath + "/../" + Suffix.ReversePath).str(); 2723e5dd7070Spatrick IsValid = true; 2724e5dd7070Spatrick } 2725e5dd7070Spatrick } 2726e5dd7070Spatrick } 2727e5dd7070Spatrick 2728e5dd7070Spatrick bool Generic_GCC::GCCInstallationDetector::ScanGentooConfigs( 2729e5dd7070Spatrick const llvm::Triple &TargetTriple, const ArgList &Args, 2730e5dd7070Spatrick const SmallVectorImpl<StringRef> &CandidateTriples, 2731e5dd7070Spatrick const SmallVectorImpl<StringRef> &CandidateBiarchTriples) { 2732*7a9b00ceSrobert if (!D.getVFS().exists(concat(D.SysRoot, GentooConfigDir))) 2733a0747c9fSpatrick return false; 2734a0747c9fSpatrick 2735e5dd7070Spatrick for (StringRef CandidateTriple : CandidateTriples) { 2736e5dd7070Spatrick if (ScanGentooGccConfig(TargetTriple, Args, CandidateTriple)) 2737e5dd7070Spatrick return true; 2738e5dd7070Spatrick } 2739e5dd7070Spatrick 2740e5dd7070Spatrick for (StringRef CandidateTriple : CandidateBiarchTriples) { 2741e5dd7070Spatrick if (ScanGentooGccConfig(TargetTriple, Args, CandidateTriple, true)) 2742e5dd7070Spatrick return true; 2743e5dd7070Spatrick } 2744e5dd7070Spatrick return false; 2745e5dd7070Spatrick } 2746e5dd7070Spatrick 2747e5dd7070Spatrick bool Generic_GCC::GCCInstallationDetector::ScanGentooGccConfig( 2748e5dd7070Spatrick const llvm::Triple &TargetTriple, const ArgList &Args, 2749e5dd7070Spatrick StringRef CandidateTriple, bool NeedsBiarchSuffix) { 2750e5dd7070Spatrick llvm::ErrorOr<std::unique_ptr<llvm::MemoryBuffer>> File = 2751*7a9b00ceSrobert D.getVFS().getBufferForFile(concat(D.SysRoot, GentooConfigDir, 2752*7a9b00ceSrobert "/config-" + CandidateTriple.str())); 2753e5dd7070Spatrick if (File) { 2754e5dd7070Spatrick SmallVector<StringRef, 2> Lines; 2755e5dd7070Spatrick File.get()->getBuffer().split(Lines, "\n"); 2756e5dd7070Spatrick for (StringRef Line : Lines) { 2757e5dd7070Spatrick Line = Line.trim(); 2758e5dd7070Spatrick // CURRENT=triple-version 2759e5dd7070Spatrick if (!Line.consume_front("CURRENT=")) 2760e5dd7070Spatrick continue; 2761e5dd7070Spatrick // Process the config file pointed to by CURRENT. 2762e5dd7070Spatrick llvm::ErrorOr<std::unique_ptr<llvm::MemoryBuffer>> ConfigFile = 2763*7a9b00ceSrobert D.getVFS().getBufferForFile( 2764*7a9b00ceSrobert concat(D.SysRoot, GentooConfigDir, "/" + Line)); 2765e5dd7070Spatrick std::pair<StringRef, StringRef> ActiveVersion = Line.rsplit('-'); 2766e5dd7070Spatrick // List of paths to scan for libraries. 2767e5dd7070Spatrick SmallVector<StringRef, 4> GentooScanPaths; 2768e5dd7070Spatrick // Scan the Config file to find installed GCC libraries path. 2769e5dd7070Spatrick // Typical content of the GCC config file: 2770e5dd7070Spatrick // LDPATH="/usr/lib/gcc/x86_64-pc-linux-gnu/4.9.x:/usr/lib/gcc/ 2771e5dd7070Spatrick // (continued from previous line) x86_64-pc-linux-gnu/4.9.x/32" 2772e5dd7070Spatrick // MANPATH="/usr/share/gcc-data/x86_64-pc-linux-gnu/4.9.x/man" 2773e5dd7070Spatrick // INFOPATH="/usr/share/gcc-data/x86_64-pc-linux-gnu/4.9.x/info" 2774e5dd7070Spatrick // STDCXX_INCDIR="/usr/lib/gcc/x86_64-pc-linux-gnu/4.9.x/include/g++-v4" 2775e5dd7070Spatrick // We are looking for the paths listed in LDPATH=... . 2776e5dd7070Spatrick if (ConfigFile) { 2777e5dd7070Spatrick SmallVector<StringRef, 2> ConfigLines; 2778e5dd7070Spatrick ConfigFile.get()->getBuffer().split(ConfigLines, "\n"); 2779e5dd7070Spatrick for (StringRef ConfLine : ConfigLines) { 2780e5dd7070Spatrick ConfLine = ConfLine.trim(); 2781e5dd7070Spatrick if (ConfLine.consume_front("LDPATH=")) { 2782e5dd7070Spatrick // Drop '"' from front and back if present. 2783e5dd7070Spatrick ConfLine.consume_back("\""); 2784e5dd7070Spatrick ConfLine.consume_front("\""); 2785e5dd7070Spatrick // Get all paths sperated by ':' 2786e5dd7070Spatrick ConfLine.split(GentooScanPaths, ':', -1, /*AllowEmpty*/ false); 2787e5dd7070Spatrick } 2788e5dd7070Spatrick } 2789e5dd7070Spatrick } 2790e5dd7070Spatrick // Test the path based on the version in /etc/env.d/gcc/config-{tuple}. 2791e5dd7070Spatrick std::string basePath = "/usr/lib/gcc/" + ActiveVersion.first.str() + "/" 2792e5dd7070Spatrick + ActiveVersion.second.str(); 2793e5dd7070Spatrick GentooScanPaths.push_back(StringRef(basePath)); 2794e5dd7070Spatrick 2795e5dd7070Spatrick // Scan all paths for GCC libraries. 2796e5dd7070Spatrick for (const auto &GentooScanPath : GentooScanPaths) { 2797*7a9b00ceSrobert std::string GentooPath = concat(D.SysRoot, GentooScanPath); 2798e5dd7070Spatrick if (D.getVFS().exists(GentooPath + "/crtbegin.o")) { 2799e5dd7070Spatrick if (!ScanGCCForMultilibs(TargetTriple, Args, GentooPath, 2800e5dd7070Spatrick NeedsBiarchSuffix)) 2801e5dd7070Spatrick continue; 2802e5dd7070Spatrick 2803e5dd7070Spatrick Version = GCCVersion::Parse(ActiveVersion.second); 2804e5dd7070Spatrick GCCInstallPath = GentooPath; 2805e5dd7070Spatrick GCCParentLibPath = GentooPath + std::string("/../../.."); 2806e5dd7070Spatrick GCCTriple.setTriple(ActiveVersion.first); 2807e5dd7070Spatrick IsValid = true; 2808e5dd7070Spatrick return true; 2809e5dd7070Spatrick } 2810e5dd7070Spatrick } 2811e5dd7070Spatrick } 2812e5dd7070Spatrick } 2813e5dd7070Spatrick 2814e5dd7070Spatrick return false; 2815e5dd7070Spatrick } 2816e5dd7070Spatrick 2817e5dd7070Spatrick Generic_GCC::Generic_GCC(const Driver &D, const llvm::Triple &Triple, 2818e5dd7070Spatrick const ArgList &Args) 2819e5dd7070Spatrick : ToolChain(D, Triple, Args), GCCInstallation(D), 2820ec727ea7Spatrick CudaInstallation(D, Triple, Args), RocmInstallation(D, Triple, Args) { 2821e5dd7070Spatrick getProgramPaths().push_back(getDriver().getInstalledDir()); 2822e5dd7070Spatrick if (getDriver().getInstalledDir() != getDriver().Dir) 2823e5dd7070Spatrick getProgramPaths().push_back(getDriver().Dir); 2824e5dd7070Spatrick } 2825e5dd7070Spatrick 2826e5dd7070Spatrick Generic_GCC::~Generic_GCC() {} 2827e5dd7070Spatrick 2828e5dd7070Spatrick Tool *Generic_GCC::getTool(Action::ActionClass AC) const { 2829e5dd7070Spatrick switch (AC) { 2830e5dd7070Spatrick case Action::PreprocessJobClass: 2831e5dd7070Spatrick if (!Preprocess) 2832e5dd7070Spatrick Preprocess.reset(new clang::driver::tools::gcc::Preprocessor(*this)); 2833e5dd7070Spatrick return Preprocess.get(); 2834e5dd7070Spatrick case Action::CompileJobClass: 2835e5dd7070Spatrick if (!Compile) 2836e5dd7070Spatrick Compile.reset(new tools::gcc::Compiler(*this)); 2837e5dd7070Spatrick return Compile.get(); 2838e5dd7070Spatrick default: 2839e5dd7070Spatrick return ToolChain::getTool(AC); 2840e5dd7070Spatrick } 2841e5dd7070Spatrick } 2842e5dd7070Spatrick 2843e5dd7070Spatrick Tool *Generic_GCC::buildAssembler() const { 2844e5dd7070Spatrick return new tools::gnutools::Assembler(*this); 2845e5dd7070Spatrick } 2846e5dd7070Spatrick 2847e5dd7070Spatrick Tool *Generic_GCC::buildLinker() const { return new tools::gcc::Linker(*this); } 2848e5dd7070Spatrick 2849e5dd7070Spatrick void Generic_GCC::printVerboseInfo(raw_ostream &OS) const { 2850e5dd7070Spatrick // Print the information about how we detected the GCC installation. 2851e5dd7070Spatrick GCCInstallation.print(OS); 2852e5dd7070Spatrick CudaInstallation.print(OS); 2853ec727ea7Spatrick RocmInstallation.print(OS); 2854e5dd7070Spatrick } 2855e5dd7070Spatrick 2856*7a9b00ceSrobert ToolChain::UnwindTableLevel 2857*7a9b00ceSrobert Generic_GCC::getDefaultUnwindTableLevel(const ArgList &Args) const { 2858a0747c9fSpatrick switch (getArch()) { 2859a0747c9fSpatrick case llvm::Triple::aarch64: 2860a0747c9fSpatrick case llvm::Triple::ppc: 2861a0747c9fSpatrick case llvm::Triple::ppcle: 2862a0747c9fSpatrick case llvm::Triple::ppc64: 2863a0747c9fSpatrick case llvm::Triple::ppc64le: 2864*7a9b00ceSrobert case llvm::Triple::x86: 2865a0747c9fSpatrick case llvm::Triple::x86_64: 2866*7a9b00ceSrobert return UnwindTableLevel::Asynchronous; 2867a0747c9fSpatrick default: 2868*7a9b00ceSrobert return UnwindTableLevel::None; 2869a0747c9fSpatrick } 2870e5dd7070Spatrick } 2871e5dd7070Spatrick 2872e5dd7070Spatrick bool Generic_GCC::isPICDefault() const { 2873e5dd7070Spatrick switch (getArch()) { 2874e5dd7070Spatrick case llvm::Triple::x86_64: 2875e5dd7070Spatrick return getTriple().isOSWindows(); 2876e5dd7070Spatrick case llvm::Triple::mips64: 2877e5dd7070Spatrick case llvm::Triple::mips64el: 2878e5dd7070Spatrick return true; 2879e5dd7070Spatrick default: 2880e5dd7070Spatrick return false; 2881e5dd7070Spatrick } 2882e5dd7070Spatrick } 2883e5dd7070Spatrick 2884*7a9b00ceSrobert bool Generic_GCC::isPIEDefault(const llvm::opt::ArgList &Args) const { 2885*7a9b00ceSrobert return false; 2886*7a9b00ceSrobert } 2887e5dd7070Spatrick 2888e5dd7070Spatrick bool Generic_GCC::isPICDefaultForced() const { 2889e5dd7070Spatrick return getArch() == llvm::Triple::x86_64 && getTriple().isOSWindows(); 2890e5dd7070Spatrick } 2891e5dd7070Spatrick 2892e5dd7070Spatrick bool Generic_GCC::IsIntegratedAssemblerDefault() const { 2893e5dd7070Spatrick switch (getTriple().getArch()) { 2894e5dd7070Spatrick case llvm::Triple::aarch64: 2895e5dd7070Spatrick case llvm::Triple::aarch64_be: 2896*7a9b00ceSrobert case llvm::Triple::amdgcn: 2897e5dd7070Spatrick case llvm::Triple::arm: 2898e5dd7070Spatrick case llvm::Triple::armeb: 2899e5dd7070Spatrick case llvm::Triple::avr: 2900e5dd7070Spatrick case llvm::Triple::bpfel: 2901e5dd7070Spatrick case llvm::Triple::bpfeb: 2902*7a9b00ceSrobert case llvm::Triple::csky: 2903*7a9b00ceSrobert case llvm::Triple::hexagon: 2904*7a9b00ceSrobert case llvm::Triple::lanai: 2905*7a9b00ceSrobert case llvm::Triple::loongarch32: 2906*7a9b00ceSrobert case llvm::Triple::loongarch64: 2907*7a9b00ceSrobert case llvm::Triple::m68k: 2908e5dd7070Spatrick case llvm::Triple::mips: 2909e5dd7070Spatrick case llvm::Triple::mipsel: 2910e5dd7070Spatrick case llvm::Triple::mips64: 2911e5dd7070Spatrick case llvm::Triple::mips64el: 2912e5dd7070Spatrick case llvm::Triple::msp430: 2913*7a9b00ceSrobert case llvm::Triple::ppc: 2914*7a9b00ceSrobert case llvm::Triple::ppcle: 2915*7a9b00ceSrobert case llvm::Triple::ppc64: 2916*7a9b00ceSrobert case llvm::Triple::ppc64le: 2917*7a9b00ceSrobert case llvm::Triple::r600: 2918*7a9b00ceSrobert case llvm::Triple::riscv32: 2919*7a9b00ceSrobert case llvm::Triple::riscv64: 2920e5dd7070Spatrick case llvm::Triple::sparc: 2921e5dd7070Spatrick case llvm::Triple::sparcel: 2922e5dd7070Spatrick case llvm::Triple::sparcv9: 2923*7a9b00ceSrobert case llvm::Triple::systemz: 2924*7a9b00ceSrobert case llvm::Triple::thumb: 2925*7a9b00ceSrobert case llvm::Triple::thumbeb: 2926*7a9b00ceSrobert case llvm::Triple::ve: 2927*7a9b00ceSrobert case llvm::Triple::x86: 2928*7a9b00ceSrobert case llvm::Triple::x86_64: 2929e5dd7070Spatrick return true; 2930e5dd7070Spatrick default: 2931e5dd7070Spatrick return false; 2932e5dd7070Spatrick } 2933e5dd7070Spatrick } 2934e5dd7070Spatrick 2935ec727ea7Spatrick void Generic_GCC::PushPPaths(ToolChain::path_list &PPaths) { 2936ec727ea7Spatrick // Cross-compiling binutils and GCC installations (vanilla and openSUSE at 2937ec727ea7Spatrick // least) put various tools in a triple-prefixed directory off of the parent 2938ec727ea7Spatrick // of the GCC installation. We use the GCC triple here to ensure that we end 2939ec727ea7Spatrick // up with tools that support the same amount of cross compiling as the 2940ec727ea7Spatrick // detected GCC installation. For example, if we find a GCC installation 2941ec727ea7Spatrick // targeting x86_64, but it is a bi-arch GCC installation, it can also be 2942ec727ea7Spatrick // used to target i386. 2943ec727ea7Spatrick if (GCCInstallation.isValid()) { 2944ec727ea7Spatrick PPaths.push_back(Twine(GCCInstallation.getParentLibPath() + "/../" + 2945ec727ea7Spatrick GCCInstallation.getTriple().str() + "/bin") 2946ec727ea7Spatrick .str()); 2947ec727ea7Spatrick } 2948ec727ea7Spatrick } 2949ec727ea7Spatrick 2950ec727ea7Spatrick void Generic_GCC::AddMultilibPaths(const Driver &D, 2951ec727ea7Spatrick const std::string &SysRoot, 2952ec727ea7Spatrick const std::string &OSLibDir, 2953ec727ea7Spatrick const std::string &MultiarchTriple, 2954ec727ea7Spatrick path_list &Paths) { 2955ec727ea7Spatrick // Add the multilib suffixed paths where they are available. 2956ec727ea7Spatrick if (GCCInstallation.isValid()) { 2957ec727ea7Spatrick const llvm::Triple &GCCTriple = GCCInstallation.getTriple(); 2958ec727ea7Spatrick const std::string &LibPath = 2959ec727ea7Spatrick std::string(GCCInstallation.getParentLibPath()); 2960ec727ea7Spatrick 2961ec727ea7Spatrick // Sourcery CodeBench MIPS toolchain holds some libraries under 2962ec727ea7Spatrick // a biarch-like suffix of the GCC installation. 2963a0747c9fSpatrick if (const auto &PathsCallback = Multilibs.filePathsCallback()) 2964a0747c9fSpatrick for (const auto &Path : PathsCallback(SelectedMultilib)) 2965a0747c9fSpatrick addPathIfExists(D, GCCInstallation.getInstallPath() + Path, Paths); 2966a0747c9fSpatrick 2967a0747c9fSpatrick // Add lib/gcc/$triple/$version, with an optional /multilib suffix. 2968ec727ea7Spatrick addPathIfExists( 2969ec727ea7Spatrick D, GCCInstallation.getInstallPath() + SelectedMultilib.gccSuffix(), 2970ec727ea7Spatrick Paths); 2971ec727ea7Spatrick 2972*7a9b00ceSrobert // Add lib/gcc/$triple/$libdir 2973*7a9b00ceSrobert // For GCC built with --enable-version-specific-runtime-libs. 2974*7a9b00ceSrobert addPathIfExists(D, GCCInstallation.getInstallPath() + "/../" + OSLibDir, 2975*7a9b00ceSrobert Paths); 2976*7a9b00ceSrobert 2977ec727ea7Spatrick // GCC cross compiling toolchains will install target libraries which ship 2978ec727ea7Spatrick // as part of the toolchain under <prefix>/<triple>/<libdir> rather than as 2979ec727ea7Spatrick // any part of the GCC installation in 2980ec727ea7Spatrick // <prefix>/<libdir>/gcc/<triple>/<version>. This decision is somewhat 2981ec727ea7Spatrick // debatable, but is the reality today. We need to search this tree even 2982ec727ea7Spatrick // when we have a sysroot somewhere else. It is the responsibility of 2983ec727ea7Spatrick // whomever is doing the cross build targeting a sysroot using a GCC 2984ec727ea7Spatrick // installation that is *not* within the system root to ensure two things: 2985ec727ea7Spatrick // 2986ec727ea7Spatrick // 1) Any DSOs that are linked in from this tree or from the install path 2987ec727ea7Spatrick // above must be present on the system root and found via an 2988ec727ea7Spatrick // appropriate rpath. 2989ec727ea7Spatrick // 2) There must not be libraries installed into 2990ec727ea7Spatrick // <prefix>/<triple>/<libdir> unless they should be preferred over 2991ec727ea7Spatrick // those within the system root. 2992ec727ea7Spatrick // 2993ec727ea7Spatrick // Note that this matches the GCC behavior. See the below comment for where 2994ec727ea7Spatrick // Clang diverges from GCC's behavior. 2995ec727ea7Spatrick addPathIfExists(D, 2996ec727ea7Spatrick LibPath + "/../" + GCCTriple.str() + "/lib/../" + OSLibDir + 2997ec727ea7Spatrick SelectedMultilib.osSuffix(), 2998ec727ea7Spatrick Paths); 2999ec727ea7Spatrick 3000ec727ea7Spatrick // If the GCC installation we found is inside of the sysroot, we want to 3001ec727ea7Spatrick // prefer libraries installed in the parent prefix of the GCC installation. 3002ec727ea7Spatrick // It is important to *not* use these paths when the GCC installation is 3003ec727ea7Spatrick // outside of the system root as that can pick up unintended libraries. 3004ec727ea7Spatrick // This usually happens when there is an external cross compiler on the 3005ec727ea7Spatrick // host system, and a more minimal sysroot available that is the target of 3006ec727ea7Spatrick // the cross. Note that GCC does include some of these directories in some 3007ec727ea7Spatrick // configurations but this seems somewhere between questionable and simply 3008ec727ea7Spatrick // a bug. 3009a0747c9fSpatrick if (StringRef(LibPath).startswith(SysRoot)) 3010ec727ea7Spatrick addPathIfExists(D, LibPath + "/../" + OSLibDir, Paths); 3011ec727ea7Spatrick } 3012ec727ea7Spatrick } 3013ec727ea7Spatrick 3014ec727ea7Spatrick void Generic_GCC::AddMultiarchPaths(const Driver &D, 3015ec727ea7Spatrick const std::string &SysRoot, 3016ec727ea7Spatrick const std::string &OSLibDir, 3017ec727ea7Spatrick path_list &Paths) { 3018ec727ea7Spatrick if (GCCInstallation.isValid()) { 3019ec727ea7Spatrick const std::string &LibPath = 3020ec727ea7Spatrick std::string(GCCInstallation.getParentLibPath()); 3021ec727ea7Spatrick const llvm::Triple &GCCTriple = GCCInstallation.getTriple(); 3022ec727ea7Spatrick const Multilib &Multilib = GCCInstallation.getMultilib(); 3023ec727ea7Spatrick addPathIfExists( 3024ec727ea7Spatrick D, LibPath + "/../" + GCCTriple.str() + "/lib" + Multilib.osSuffix(), 3025ec727ea7Spatrick Paths); 3026ec727ea7Spatrick } 3027ec727ea7Spatrick } 3028ec727ea7Spatrick 3029ec727ea7Spatrick void Generic_GCC::AddMultilibIncludeArgs(const ArgList &DriverArgs, 3030ec727ea7Spatrick ArgStringList &CC1Args) const { 3031ec727ea7Spatrick // Add include directories specific to the selected multilib set and multilib. 3032a0747c9fSpatrick if (!GCCInstallation.isValid()) 3033a0747c9fSpatrick return; 3034a0747c9fSpatrick // gcc TOOL_INCLUDE_DIR. 3035a0747c9fSpatrick const llvm::Triple &GCCTriple = GCCInstallation.getTriple(); 3036a0747c9fSpatrick std::string LibPath(GCCInstallation.getParentLibPath()); 3037a0747c9fSpatrick addSystemInclude(DriverArgs, CC1Args, 3038a0747c9fSpatrick Twine(LibPath) + "/../" + GCCTriple.str() + "/include"); 3039a0747c9fSpatrick 3040ec727ea7Spatrick const auto &Callback = Multilibs.includeDirsCallback(); 3041ec727ea7Spatrick if (Callback) { 3042ec727ea7Spatrick for (const auto &Path : Callback(GCCInstallation.getMultilib())) 3043a0747c9fSpatrick addExternCSystemIncludeIfExists(DriverArgs, CC1Args, 3044a0747c9fSpatrick GCCInstallation.getInstallPath() + Path); 3045ec727ea7Spatrick } 3046ec727ea7Spatrick } 3047ec727ea7Spatrick 3048e5dd7070Spatrick void Generic_GCC::AddClangCXXStdlibIncludeArgs(const ArgList &DriverArgs, 3049e5dd7070Spatrick ArgStringList &CC1Args) const { 3050a0747c9fSpatrick if (DriverArgs.hasArg(options::OPT_nostdinc, options::OPT_nostdincxx, 3051a0747c9fSpatrick options::OPT_nostdlibinc)) 3052e5dd7070Spatrick return; 3053e5dd7070Spatrick 3054e5dd7070Spatrick switch (GetCXXStdlibType(DriverArgs)) { 3055e5dd7070Spatrick case ToolChain::CST_Libcxx: 3056e5dd7070Spatrick addLibCxxIncludePaths(DriverArgs, CC1Args); 3057e5dd7070Spatrick break; 3058e5dd7070Spatrick 3059e5dd7070Spatrick case ToolChain::CST_Libstdcxx: 3060e5dd7070Spatrick addLibStdCxxIncludePaths(DriverArgs, CC1Args); 3061e5dd7070Spatrick break; 3062e5dd7070Spatrick } 3063e5dd7070Spatrick } 3064e5dd7070Spatrick 3065e5dd7070Spatrick void 3066e5dd7070Spatrick Generic_GCC::addLibCxxIncludePaths(const llvm::opt::ArgList &DriverArgs, 3067e5dd7070Spatrick llvm::opt::ArgStringList &CC1Args) const { 3068a0747c9fSpatrick const Driver &D = getDriver(); 3069a0747c9fSpatrick std::string SysRoot = computeSysRoot(); 3070a0747c9fSpatrick std::string Target = getTripleString(); 3071a0747c9fSpatrick 3072e5dd7070Spatrick auto AddIncludePath = [&](std::string Path) { 3073a0747c9fSpatrick std::string Version = detectLibcxxVersion(Path); 3074a0747c9fSpatrick if (Version.empty()) 3075e5dd7070Spatrick return false; 3076a0747c9fSpatrick 3077a0747c9fSpatrick // First add the per-target include path if it exists. 3078a0747c9fSpatrick std::string TargetDir = Path + "/" + Target + "/c++/" + Version; 3079a0747c9fSpatrick if (D.getVFS().exists(TargetDir)) 3080a0747c9fSpatrick addSystemInclude(DriverArgs, CC1Args, TargetDir); 3081a0747c9fSpatrick 3082a0747c9fSpatrick // Second add the generic one. 3083a0747c9fSpatrick addSystemInclude(DriverArgs, CC1Args, Path + "/c++/" + Version); 3084e5dd7070Spatrick return true; 3085e5dd7070Spatrick }; 3086a0747c9fSpatrick 3087e5dd7070Spatrick // Android never uses the libc++ headers installed alongside the toolchain, 3088e5dd7070Spatrick // which are generally incompatible with the NDK libraries anyway. 3089e5dd7070Spatrick if (!getTriple().isAndroid()) 3090a0747c9fSpatrick if (AddIncludePath(getDriver().Dir + "/../include")) 3091e5dd7070Spatrick return; 3092e5dd7070Spatrick // If this is a development, non-installed, clang, libcxx will 3093e5dd7070Spatrick // not be found at ../include/c++ but it likely to be found at 3094e5dd7070Spatrick // one of the following two locations: 3095*7a9b00ceSrobert if (AddIncludePath(concat(SysRoot, "/usr/local/include"))) 3096e5dd7070Spatrick return; 3097*7a9b00ceSrobert if (AddIncludePath(concat(SysRoot, "/usr/include"))) 3098e5dd7070Spatrick return; 3099e5dd7070Spatrick } 3100e5dd7070Spatrick 3101a0747c9fSpatrick bool Generic_GCC::addLibStdCXXIncludePaths(Twine IncludeDir, StringRef Triple, 3102a0747c9fSpatrick Twine IncludeSuffix, 3103a0747c9fSpatrick const llvm::opt::ArgList &DriverArgs, 3104a0747c9fSpatrick llvm::opt::ArgStringList &CC1Args, 3105a0747c9fSpatrick bool DetectDebian) const { 3106a0747c9fSpatrick if (!getVFS().exists(IncludeDir)) 3107e5dd7070Spatrick return false; 3108e5dd7070Spatrick 3109a0747c9fSpatrick // Debian native gcc uses g++-multiarch-incdir.diff which uses 3110a0747c9fSpatrick // include/x86_64-linux-gnu/c++/10$IncludeSuffix instead of 3111a0747c9fSpatrick // include/c++/10/x86_64-linux-gnu$IncludeSuffix. 3112a0747c9fSpatrick std::string Dir = IncludeDir.str(); 3113a0747c9fSpatrick StringRef Include = 3114a0747c9fSpatrick llvm::sys::path::parent_path(llvm::sys::path::parent_path(Dir)); 3115a0747c9fSpatrick std::string Path = 3116a0747c9fSpatrick (Include + "/" + Triple + Dir.substr(Include.size()) + IncludeSuffix) 3117a0747c9fSpatrick .str(); 3118a0747c9fSpatrick if (DetectDebian && !getVFS().exists(Path)) 3119a0747c9fSpatrick return false; 3120e5dd7070Spatrick 3121a0747c9fSpatrick // GPLUSPLUS_INCLUDE_DIR 3122a0747c9fSpatrick addSystemInclude(DriverArgs, CC1Args, IncludeDir); 3123a0747c9fSpatrick // GPLUSPLUS_TOOL_INCLUDE_DIR. If Triple is not empty, add a target-dependent 3124a0747c9fSpatrick // include directory. 3125a0747c9fSpatrick if (DetectDebian) 3126a0747c9fSpatrick addSystemInclude(DriverArgs, CC1Args, Path); 3127a0747c9fSpatrick else if (!Triple.empty()) 3128e5dd7070Spatrick addSystemInclude(DriverArgs, CC1Args, 3129a0747c9fSpatrick IncludeDir + "/" + Triple + IncludeSuffix); 3130a0747c9fSpatrick // GPLUSPLUS_BACKWARD_INCLUDE_DIR 3131a0747c9fSpatrick addSystemInclude(DriverArgs, CC1Args, IncludeDir + "/backward"); 3132e5dd7070Spatrick return true; 3133e5dd7070Spatrick } 3134e5dd7070Spatrick 3135a0747c9fSpatrick bool Generic_GCC::addGCCLibStdCxxIncludePaths( 3136a0747c9fSpatrick const llvm::opt::ArgList &DriverArgs, llvm::opt::ArgStringList &CC1Args, 3137a0747c9fSpatrick StringRef DebianMultiarch) const { 3138a0747c9fSpatrick assert(GCCInstallation.isValid()); 3139e5dd7070Spatrick 3140e5dd7070Spatrick // By default, look for the C++ headers in an include directory adjacent to 3141e5dd7070Spatrick // the lib directory of the GCC installation. Note that this is expect to be 3142e5dd7070Spatrick // equivalent to '/usr/include/c++/X.Y' in almost all cases. 3143e5dd7070Spatrick StringRef LibDir = GCCInstallation.getParentLibPath(); 3144e5dd7070Spatrick StringRef InstallDir = GCCInstallation.getInstallPath(); 3145e5dd7070Spatrick StringRef TripleStr = GCCInstallation.getTriple().str(); 3146e5dd7070Spatrick const Multilib &Multilib = GCCInstallation.getMultilib(); 3147e5dd7070Spatrick const GCCVersion &Version = GCCInstallation.getVersion(); 3148e5dd7070Spatrick 3149a0747c9fSpatrick // Try /../$triple/include/c++/$version (gcc --print-multiarch is not empty). 3150a0747c9fSpatrick if (addLibStdCXXIncludePaths( 3151a0747c9fSpatrick LibDir.str() + "/../" + TripleStr + "/include/c++/" + Version.Text, 3152a0747c9fSpatrick TripleStr, Multilib.includeSuffix(), DriverArgs, CC1Args)) 3153a0747c9fSpatrick return true; 3154a0747c9fSpatrick 3155*7a9b00ceSrobert // Try /gcc/$triple/$version/include/c++/ (gcc --print-multiarch is not 3156*7a9b00ceSrobert // empty). Like above but for GCC built with 3157*7a9b00ceSrobert // --enable-version-specific-runtime-libs. 3158*7a9b00ceSrobert if (addLibStdCXXIncludePaths(LibDir.str() + "/gcc/" + TripleStr + "/" + 3159*7a9b00ceSrobert Version.Text + "/include/c++/", 3160*7a9b00ceSrobert TripleStr, Multilib.includeSuffix(), DriverArgs, 3161*7a9b00ceSrobert CC1Args)) 3162*7a9b00ceSrobert return true; 3163*7a9b00ceSrobert 3164a0747c9fSpatrick // Detect Debian g++-multiarch-incdir.diff. 3165a0747c9fSpatrick if (addLibStdCXXIncludePaths(LibDir.str() + "/../include/c++/" + Version.Text, 3166a0747c9fSpatrick DebianMultiarch, Multilib.includeSuffix(), 3167a0747c9fSpatrick DriverArgs, CC1Args, /*Debian=*/true)) 3168a0747c9fSpatrick return true; 3169a0747c9fSpatrick 3170a0747c9fSpatrick // Try /../include/c++/$version (gcc --print-multiarch is empty). 3171a0747c9fSpatrick if (addLibStdCXXIncludePaths(LibDir.str() + "/../include/c++/" + Version.Text, 3172a0747c9fSpatrick TripleStr, Multilib.includeSuffix(), DriverArgs, 3173a0747c9fSpatrick CC1Args)) 3174e5dd7070Spatrick return true; 3175e5dd7070Spatrick 3176e5dd7070Spatrick // Otherwise, fall back on a bunch of options which don't use multiarch 3177e5dd7070Spatrick // layouts for simplicity. 3178e5dd7070Spatrick const std::string LibStdCXXIncludePathCandidates[] = { 3179e5dd7070Spatrick // Gentoo is weird and places its headers inside the GCC install, 3180e5dd7070Spatrick // so if the first attempt to find the headers fails, try these patterns. 3181e5dd7070Spatrick InstallDir.str() + "/include/g++-v" + Version.Text, 3182e5dd7070Spatrick InstallDir.str() + "/include/g++-v" + Version.MajorStr + "." + 3183e5dd7070Spatrick Version.MinorStr, 3184e5dd7070Spatrick InstallDir.str() + "/include/g++-v" + Version.MajorStr, 3185e5dd7070Spatrick }; 3186e5dd7070Spatrick 3187e5dd7070Spatrick for (const auto &IncludePath : LibStdCXXIncludePathCandidates) { 3188a0747c9fSpatrick if (addLibStdCXXIncludePaths(IncludePath, TripleStr, 3189e5dd7070Spatrick Multilib.includeSuffix(), DriverArgs, CC1Args)) 3190e5dd7070Spatrick return true; 3191e5dd7070Spatrick } 3192e5dd7070Spatrick return false; 3193e5dd7070Spatrick } 3194e5dd7070Spatrick 3195e5dd7070Spatrick void 3196e5dd7070Spatrick Generic_GCC::addLibStdCxxIncludePaths(const llvm::opt::ArgList &DriverArgs, 3197e5dd7070Spatrick llvm::opt::ArgStringList &CC1Args) const { 3198a0747c9fSpatrick if (GCCInstallation.isValid()) { 3199a0747c9fSpatrick addGCCLibStdCxxIncludePaths(DriverArgs, CC1Args, 3200a0747c9fSpatrick GCCInstallation.getTriple().str()); 3201a0747c9fSpatrick } 3202e5dd7070Spatrick } 3203e5dd7070Spatrick 3204e5dd7070Spatrick llvm::opt::DerivedArgList * 3205e5dd7070Spatrick Generic_GCC::TranslateArgs(const llvm::opt::DerivedArgList &Args, StringRef, 3206e5dd7070Spatrick Action::OffloadKind DeviceOffloadKind) const { 3207e5dd7070Spatrick 3208e5dd7070Spatrick // If this tool chain is used for an OpenMP offloading device we have to make 3209e5dd7070Spatrick // sure we always generate a shared library regardless of the commands the 3210e5dd7070Spatrick // user passed to the host. This is required because the runtime library 3211e5dd7070Spatrick // is required to load the device image dynamically at run time. 3212e5dd7070Spatrick if (DeviceOffloadKind == Action::OFK_OpenMP) { 3213e5dd7070Spatrick DerivedArgList *DAL = new DerivedArgList(Args.getBaseArgs()); 3214e5dd7070Spatrick const OptTable &Opts = getDriver().getOpts(); 3215e5dd7070Spatrick 3216e5dd7070Spatrick // Request the shared library. Given that these options are decided 3217e5dd7070Spatrick // implicitly, they do not refer to any base argument. 3218e5dd7070Spatrick DAL->AddFlagArg(/*BaseArg=*/nullptr, Opts.getOption(options::OPT_shared)); 3219e5dd7070Spatrick DAL->AddFlagArg(/*BaseArg=*/nullptr, Opts.getOption(options::OPT_fPIC)); 3220e5dd7070Spatrick 3221e5dd7070Spatrick // Filter all the arguments we don't care passing to the offloading 3222e5dd7070Spatrick // toolchain as they can mess up with the creation of a shared library. 3223e5dd7070Spatrick for (auto *A : Args) { 3224e5dd7070Spatrick switch ((options::ID)A->getOption().getID()) { 3225e5dd7070Spatrick default: 3226e5dd7070Spatrick DAL->append(A); 3227e5dd7070Spatrick break; 3228e5dd7070Spatrick case options::OPT_shared: 3229e5dd7070Spatrick case options::OPT_dynamic: 3230e5dd7070Spatrick case options::OPT_static: 3231e5dd7070Spatrick case options::OPT_fPIC: 3232e5dd7070Spatrick case options::OPT_fno_PIC: 3233e5dd7070Spatrick case options::OPT_fpic: 3234e5dd7070Spatrick case options::OPT_fno_pic: 3235e5dd7070Spatrick case options::OPT_fPIE: 3236e5dd7070Spatrick case options::OPT_fno_PIE: 3237e5dd7070Spatrick case options::OPT_fpie: 3238e5dd7070Spatrick case options::OPT_fno_pie: 3239e5dd7070Spatrick break; 3240e5dd7070Spatrick } 3241e5dd7070Spatrick } 3242e5dd7070Spatrick return DAL; 3243e5dd7070Spatrick } 3244e5dd7070Spatrick return nullptr; 3245e5dd7070Spatrick } 3246e5dd7070Spatrick 3247e5dd7070Spatrick void Generic_ELF::anchor() {} 3248e5dd7070Spatrick 3249e5dd7070Spatrick void Generic_ELF::addClangTargetOptions(const ArgList &DriverArgs, 3250e5dd7070Spatrick ArgStringList &CC1Args, 3251e5dd7070Spatrick Action::OffloadKind) const { 3252e5dd7070Spatrick if (!DriverArgs.hasFlag(options::OPT_fuse_init_array, 3253e5dd7070Spatrick options::OPT_fno_use_init_array, true)) 3254e5dd7070Spatrick CC1Args.push_back("-fno-use-init-array"); 3255e5dd7070Spatrick } 3256