forked from OSchip/llvm-project
2736 lines
105 KiB
C++
2736 lines
105 KiB
C++
//===--- Gnu.cpp - Gnu Tool and ToolChain Implementations -------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "Gnu.h"
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#include "Arch/ARM.h"
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#include "Arch/Mips.h"
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#include "Arch/PPC.h"
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#include "Arch/RISCV.h"
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#include "Arch/Sparc.h"
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#include "Arch/SystemZ.h"
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#include "CommonArgs.h"
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#include "Linux.h"
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#include "clang/Config/config.h" // for GCC_INSTALL_PREFIX
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#include "clang/Driver/Compilation.h"
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#include "clang/Driver/Driver.h"
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#include "clang/Driver/DriverDiagnostic.h"
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#include "clang/Driver/Options.h"
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#include "clang/Driver/Tool.h"
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#include "clang/Driver/ToolChain.h"
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#include "llvm/Option/ArgList.h"
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#include "llvm/Support/CodeGen.h"
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#include "llvm/Support/Path.h"
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#include "llvm/Support/TargetParser.h"
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#include "llvm/Support/VirtualFileSystem.h"
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#include <system_error>
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using namespace clang::driver;
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using namespace clang::driver::toolchains;
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using namespace clang;
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using namespace llvm::opt;
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using tools::addMultilibFlag;
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void tools::GnuTool::anchor() {}
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static bool forwardToGCC(const Option &O) {
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// Don't forward inputs from the original command line. They are added from
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// InputInfoList.
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return O.getKind() != Option::InputClass &&
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!O.hasFlag(options::DriverOption) && !O.hasFlag(options::LinkerInput);
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}
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// Switch CPU names not recognized by GNU assembler to a close CPU that it does
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// recognize, instead of a lower march from being picked in the absence of a cpu
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// flag.
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static void normalizeCPUNamesForAssembler(const ArgList &Args,
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ArgStringList &CmdArgs) {
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if (Arg *A = Args.getLastArg(options::OPT_mcpu_EQ)) {
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StringRef CPUArg(A->getValue());
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if (CPUArg.equals_lower("krait"))
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CmdArgs.push_back("-mcpu=cortex-a15");
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else if(CPUArg.equals_lower("kryo"))
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CmdArgs.push_back("-mcpu=cortex-a57");
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else
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Args.AddLastArg(CmdArgs, options::OPT_mcpu_EQ);
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}
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}
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void tools::gcc::Common::ConstructJob(Compilation &C, const JobAction &JA,
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const InputInfo &Output,
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const InputInfoList &Inputs,
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const ArgList &Args,
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const char *LinkingOutput) const {
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const Driver &D = getToolChain().getDriver();
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ArgStringList CmdArgs;
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for (const auto &A : Args) {
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if (forwardToGCC(A->getOption())) {
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// It is unfortunate that we have to claim here, as this means
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// we will basically never report anything interesting for
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// platforms using a generic gcc, even if we are just using gcc
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// to get to the assembler.
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A->claim();
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// Don't forward any -g arguments to assembly steps.
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if (isa<AssembleJobAction>(JA) &&
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A->getOption().matches(options::OPT_g_Group))
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continue;
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// Don't forward any -W arguments to assembly and link steps.
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if ((isa<AssembleJobAction>(JA) || isa<LinkJobAction>(JA)) &&
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A->getOption().matches(options::OPT_W_Group))
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continue;
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// Don't forward -mno-unaligned-access since GCC doesn't understand
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// it and because it doesn't affect the assembly or link steps.
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if ((isa<AssembleJobAction>(JA) || isa<LinkJobAction>(JA)) &&
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(A->getOption().matches(options::OPT_munaligned_access) ||
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A->getOption().matches(options::OPT_mno_unaligned_access)))
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continue;
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A->render(Args, CmdArgs);
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}
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}
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RenderExtraToolArgs(JA, CmdArgs);
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// If using a driver driver, force the arch.
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if (getToolChain().getTriple().isOSDarwin()) {
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CmdArgs.push_back("-arch");
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CmdArgs.push_back(
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Args.MakeArgString(getToolChain().getDefaultUniversalArchName()));
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}
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// Try to force gcc to match the tool chain we want, if we recognize
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// the arch.
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//
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// FIXME: The triple class should directly provide the information we want
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// here.
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switch (getToolChain().getArch()) {
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default:
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break;
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case llvm::Triple::x86:
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case llvm::Triple::ppc:
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CmdArgs.push_back("-m32");
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break;
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case llvm::Triple::x86_64:
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case llvm::Triple::ppc64:
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case llvm::Triple::ppc64le:
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CmdArgs.push_back("-m64");
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break;
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case llvm::Triple::sparcel:
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CmdArgs.push_back("-EL");
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break;
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}
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if (Output.isFilename()) {
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CmdArgs.push_back("-o");
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CmdArgs.push_back(Output.getFilename());
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} else {
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assert(Output.isNothing() && "Unexpected output");
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CmdArgs.push_back("-fsyntax-only");
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}
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Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA, options::OPT_Xassembler);
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// Only pass -x if gcc will understand it; otherwise hope gcc
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// understands the suffix correctly. The main use case this would go
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// wrong in is for linker inputs if they happened to have an odd
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// suffix; really the only way to get this to happen is a command
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// like '-x foobar a.c' which will treat a.c like a linker input.
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//
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// FIXME: For the linker case specifically, can we safely convert
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// inputs into '-Wl,' options?
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for (const auto &II : Inputs) {
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// Don't try to pass LLVM or AST inputs to a generic gcc.
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if (types::isLLVMIR(II.getType()))
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D.Diag(clang::diag::err_drv_no_linker_llvm_support)
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<< getToolChain().getTripleString();
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else if (II.getType() == types::TY_AST)
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D.Diag(diag::err_drv_no_ast_support) << getToolChain().getTripleString();
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else if (II.getType() == types::TY_ModuleFile)
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D.Diag(diag::err_drv_no_module_support)
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<< getToolChain().getTripleString();
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if (types::canTypeBeUserSpecified(II.getType())) {
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CmdArgs.push_back("-x");
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CmdArgs.push_back(types::getTypeName(II.getType()));
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}
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if (II.isFilename())
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CmdArgs.push_back(II.getFilename());
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else {
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const Arg &A = II.getInputArg();
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// Reverse translate some rewritten options.
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if (A.getOption().matches(options::OPT_Z_reserved_lib_stdcxx)) {
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CmdArgs.push_back("-lstdc++");
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continue;
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}
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// Don't render as input, we need gcc to do the translations.
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A.render(Args, CmdArgs);
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}
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}
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const std::string &customGCCName = D.getCCCGenericGCCName();
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const char *GCCName;
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if (!customGCCName.empty())
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GCCName = customGCCName.c_str();
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else if (D.CCCIsCXX()) {
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GCCName = "g++";
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} else
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GCCName = "gcc";
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const char *Exec = Args.MakeArgString(getToolChain().GetProgramPath(GCCName));
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C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs, Inputs));
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}
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void tools::gcc::Preprocessor::RenderExtraToolArgs(
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const JobAction &JA, ArgStringList &CmdArgs) const {
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CmdArgs.push_back("-E");
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}
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void tools::gcc::Compiler::RenderExtraToolArgs(const JobAction &JA,
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ArgStringList &CmdArgs) const {
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const Driver &D = getToolChain().getDriver();
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switch (JA.getType()) {
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// If -flto, etc. are present then make sure not to force assembly output.
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case types::TY_LLVM_IR:
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case types::TY_LTO_IR:
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case types::TY_LLVM_BC:
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case types::TY_LTO_BC:
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CmdArgs.push_back("-c");
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break;
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// We assume we've got an "integrated" assembler in that gcc will produce an
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// object file itself.
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case types::TY_Object:
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CmdArgs.push_back("-c");
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break;
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case types::TY_PP_Asm:
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CmdArgs.push_back("-S");
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break;
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case types::TY_Nothing:
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CmdArgs.push_back("-fsyntax-only");
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break;
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default:
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D.Diag(diag::err_drv_invalid_gcc_output_type) << getTypeName(JA.getType());
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}
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}
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void tools::gcc::Linker::RenderExtraToolArgs(const JobAction &JA,
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ArgStringList &CmdArgs) const {
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// The types are (hopefully) good enough.
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}
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// On Arm the endianness of the output file is determined by the target and
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// can be overridden by the pseudo-target flags '-mlittle-endian'/'-EL' and
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// '-mbig-endian'/'-EB'. Unlike other targets the flag does not result in a
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// normalized triple so we must handle the flag here.
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static bool isArmBigEndian(const llvm::Triple &Triple,
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const ArgList &Args) {
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bool IsBigEndian = false;
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switch (Triple.getArch()) {
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case llvm::Triple::armeb:
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case llvm::Triple::thumbeb:
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IsBigEndian = true;
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LLVM_FALLTHROUGH;
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case llvm::Triple::arm:
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case llvm::Triple::thumb:
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if (Arg *A = Args.getLastArg(options::OPT_mlittle_endian,
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options::OPT_mbig_endian))
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IsBigEndian = !A->getOption().matches(options::OPT_mlittle_endian);
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break;
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default:
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break;
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}
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return IsBigEndian;
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}
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static const char *getLDMOption(const llvm::Triple &T, const ArgList &Args) {
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switch (T.getArch()) {
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case llvm::Triple::x86:
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if (T.isOSIAMCU())
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return "elf_iamcu";
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return "elf_i386";
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case llvm::Triple::aarch64:
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return "aarch64linux";
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case llvm::Triple::aarch64_be:
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return "aarch64linuxb";
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case llvm::Triple::arm:
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case llvm::Triple::thumb:
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case llvm::Triple::armeb:
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case llvm::Triple::thumbeb:
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return isArmBigEndian(T, Args) ? "armelfb_linux_eabi" : "armelf_linux_eabi";
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case llvm::Triple::ppc:
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return "elf32ppclinux";
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case llvm::Triple::ppc64:
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return "elf64ppc";
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case llvm::Triple::ppc64le:
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return "elf64lppc";
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case llvm::Triple::riscv32:
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return "elf32lriscv";
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case llvm::Triple::riscv64:
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return "elf64lriscv";
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case llvm::Triple::sparc:
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case llvm::Triple::sparcel:
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return "elf32_sparc";
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case llvm::Triple::sparcv9:
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return "elf64_sparc";
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case llvm::Triple::mips:
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return "elf32btsmip";
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case llvm::Triple::mipsel:
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return "elf32ltsmip";
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case llvm::Triple::mips64:
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if (tools::mips::hasMipsAbiArg(Args, "n32") ||
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T.getEnvironment() == llvm::Triple::GNUABIN32)
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return "elf32btsmipn32";
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return "elf64btsmip";
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case llvm::Triple::mips64el:
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if (tools::mips::hasMipsAbiArg(Args, "n32") ||
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T.getEnvironment() == llvm::Triple::GNUABIN32)
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return "elf32ltsmipn32";
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return "elf64ltsmip";
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case llvm::Triple::systemz:
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return "elf64_s390";
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case llvm::Triple::x86_64:
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if (T.getEnvironment() == llvm::Triple::GNUX32)
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return "elf32_x86_64";
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return "elf_x86_64";
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default:
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return nullptr;
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}
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}
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static bool getPIE(const ArgList &Args, const toolchains::Linux &ToolChain) {
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if (Args.hasArg(options::OPT_shared) || Args.hasArg(options::OPT_static) ||
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Args.hasArg(options::OPT_r) || Args.hasArg(options::OPT_static_pie))
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return false;
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Arg *A = Args.getLastArg(options::OPT_pie, options::OPT_no_pie,
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options::OPT_nopie);
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if (!A)
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return ToolChain.isPIEDefault();
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return A->getOption().matches(options::OPT_pie);
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}
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static bool getStaticPIE(const ArgList &Args,
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const toolchains::Linux &ToolChain) {
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bool HasStaticPIE = Args.hasArg(options::OPT_static_pie);
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// -no-pie is an alias for -nopie. So, handling -nopie takes care of
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// -no-pie as well.
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if (HasStaticPIE && Args.hasArg(options::OPT_nopie)) {
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const Driver &D = ToolChain.getDriver();
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const llvm::opt::OptTable &Opts = D.getOpts();
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const char *StaticPIEName = Opts.getOptionName(options::OPT_static_pie);
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const char *NoPIEName = Opts.getOptionName(options::OPT_nopie);
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D.Diag(diag::err_drv_cannot_mix_options) << StaticPIEName << NoPIEName;
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}
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return HasStaticPIE;
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}
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static bool getStatic(const ArgList &Args) {
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return Args.hasArg(options::OPT_static) &&
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!Args.hasArg(options::OPT_static_pie);
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}
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void tools::gnutools::Linker::ConstructJob(Compilation &C, const JobAction &JA,
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const InputInfo &Output,
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const InputInfoList &Inputs,
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const ArgList &Args,
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const char *LinkingOutput) const {
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const toolchains::Linux &ToolChain =
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static_cast<const toolchains::Linux &>(getToolChain());
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const Driver &D = ToolChain.getDriver();
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const llvm::Triple &Triple = getToolChain().getEffectiveTriple();
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const llvm::Triple::ArchType Arch = ToolChain.getArch();
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const bool isAndroid = ToolChain.getTriple().isAndroid();
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const bool IsIAMCU = ToolChain.getTriple().isOSIAMCU();
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const bool IsPIE = getPIE(Args, ToolChain);
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const bool IsStaticPIE = getStaticPIE(Args, ToolChain);
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const bool IsStatic = getStatic(Args);
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const bool HasCRTBeginEndFiles =
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ToolChain.getTriple().hasEnvironment() ||
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(ToolChain.getTriple().getVendor() != llvm::Triple::MipsTechnologies);
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ArgStringList CmdArgs;
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// Silence warning for "clang -g foo.o -o foo"
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Args.ClaimAllArgs(options::OPT_g_Group);
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// and "clang -emit-llvm foo.o -o foo"
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Args.ClaimAllArgs(options::OPT_emit_llvm);
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// and for "clang -w foo.o -o foo". Other warning options are already
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// handled somewhere else.
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Args.ClaimAllArgs(options::OPT_w);
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if (!D.SysRoot.empty())
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CmdArgs.push_back(Args.MakeArgString("--sysroot=" + D.SysRoot));
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if (IsPIE)
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CmdArgs.push_back("-pie");
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if (IsStaticPIE) {
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CmdArgs.push_back("-static");
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CmdArgs.push_back("-pie");
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CmdArgs.push_back("--no-dynamic-linker");
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CmdArgs.push_back("-z");
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CmdArgs.push_back("text");
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}
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if (ToolChain.isNoExecStackDefault()) {
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CmdArgs.push_back("-z");
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CmdArgs.push_back("noexecstack");
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}
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if (Args.hasArg(options::OPT_rdynamic))
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CmdArgs.push_back("-export-dynamic");
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if (Args.hasArg(options::OPT_s))
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CmdArgs.push_back("-s");
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if (Triple.isARM() || Triple.isThumb() || Triple.isAArch64()) {
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bool IsBigEndian = isArmBigEndian(Triple, Args);
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if (IsBigEndian)
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arm::appendBE8LinkFlag(Args, CmdArgs, Triple);
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IsBigEndian = IsBigEndian || Arch == llvm::Triple::aarch64_be;
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CmdArgs.push_back(IsBigEndian ? "-EB" : "-EL");
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}
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// Most Android ARM64 targets should enable the linker fix for erratum
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// 843419. Only non-Cortex-A53 devices are allowed to skip this flag.
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if (Arch == llvm::Triple::aarch64 && isAndroid) {
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std::string CPU = getCPUName(Args, Triple);
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if (CPU.empty() || CPU == "generic" || CPU == "cortex-a53")
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CmdArgs.push_back("--fix-cortex-a53-843419");
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}
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// Android does not allow shared text relocations. Emit a warning if the
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// user's code contains any.
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if (isAndroid)
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CmdArgs.push_back("--warn-shared-textrel");
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for (const auto &Opt : ToolChain.ExtraOpts)
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CmdArgs.push_back(Opt.c_str());
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CmdArgs.push_back("--eh-frame-hdr");
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if (const char *LDMOption = getLDMOption(ToolChain.getTriple(), Args)) {
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CmdArgs.push_back("-m");
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CmdArgs.push_back(LDMOption);
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} else {
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D.Diag(diag::err_target_unknown_triple) << Triple.str();
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return;
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}
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if (IsStatic) {
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if (Arch == llvm::Triple::arm || Arch == llvm::Triple::armeb ||
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Arch == llvm::Triple::thumb || Arch == llvm::Triple::thumbeb)
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CmdArgs.push_back("-Bstatic");
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else
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CmdArgs.push_back("-static");
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} else if (Args.hasArg(options::OPT_shared)) {
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CmdArgs.push_back("-shared");
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}
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if (!IsStatic) {
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if (Args.hasArg(options::OPT_rdynamic))
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CmdArgs.push_back("-export-dynamic");
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if (!Args.hasArg(options::OPT_shared) && !IsStaticPIE) {
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const std::string Loader =
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D.DyldPrefix + ToolChain.getDynamicLinker(Args);
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CmdArgs.push_back("-dynamic-linker");
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CmdArgs.push_back(Args.MakeArgString(Loader));
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}
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}
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CmdArgs.push_back("-o");
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CmdArgs.push_back(Output.getFilename());
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if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nostartfiles)) {
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if (!isAndroid && !IsIAMCU) {
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const char *crt1 = nullptr;
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if (!Args.hasArg(options::OPT_shared)) {
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if (Args.hasArg(options::OPT_pg))
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|
crt1 = "gcrt1.o";
|
|
else if (IsPIE)
|
|
crt1 = "Scrt1.o";
|
|
else if (IsStaticPIE)
|
|
crt1 = "rcrt1.o";
|
|
else
|
|
crt1 = "crt1.o";
|
|
}
|
|
if (crt1)
|
|
CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath(crt1)));
|
|
|
|
CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("crti.o")));
|
|
}
|
|
|
|
if (IsIAMCU)
|
|
CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("crt0.o")));
|
|
else if (HasCRTBeginEndFiles) {
|
|
std::string P;
|
|
if (ToolChain.GetRuntimeLibType(Args) == ToolChain::RLT_CompilerRT &&
|
|
!isAndroid) {
|
|
std::string crtbegin = ToolChain.getCompilerRT(Args, "crtbegin",
|
|
ToolChain::FT_Object);
|
|
if (ToolChain.getVFS().exists(crtbegin))
|
|
P = crtbegin;
|
|
}
|
|
if (P.empty()) {
|
|
const char *crtbegin;
|
|
if (IsStatic)
|
|
crtbegin = isAndroid ? "crtbegin_static.o" : "crtbeginT.o";
|
|
else if (Args.hasArg(options::OPT_shared))
|
|
crtbegin = isAndroid ? "crtbegin_so.o" : "crtbeginS.o";
|
|
else if (IsPIE || IsStaticPIE)
|
|
crtbegin = isAndroid ? "crtbegin_dynamic.o" : "crtbeginS.o";
|
|
else
|
|
crtbegin = isAndroid ? "crtbegin_dynamic.o" : "crtbegin.o";
|
|
P = ToolChain.GetFilePath(crtbegin);
|
|
}
|
|
CmdArgs.push_back(Args.MakeArgString(P));
|
|
}
|
|
|
|
// Add crtfastmath.o if available and fast math is enabled.
|
|
ToolChain.AddFastMathRuntimeIfAvailable(Args, CmdArgs);
|
|
}
|
|
|
|
Args.AddAllArgs(CmdArgs, options::OPT_L);
|
|
Args.AddAllArgs(CmdArgs, options::OPT_u);
|
|
|
|
ToolChain.AddFilePathLibArgs(Args, CmdArgs);
|
|
|
|
if (D.isUsingLTO()) {
|
|
assert(!Inputs.empty() && "Must have at least one input.");
|
|
AddGoldPlugin(ToolChain, Args, CmdArgs, Output, Inputs[0],
|
|
D.getLTOMode() == LTOK_Thin);
|
|
}
|
|
|
|
if (Args.hasArg(options::OPT_Z_Xlinker__no_demangle))
|
|
CmdArgs.push_back("--no-demangle");
|
|
|
|
bool NeedsSanitizerDeps = addSanitizerRuntimes(ToolChain, Args, CmdArgs);
|
|
bool NeedsXRayDeps = addXRayRuntime(ToolChain, Args, CmdArgs);
|
|
AddLinkerInputs(ToolChain, Inputs, Args, CmdArgs, JA);
|
|
// The profile runtime also needs access to system libraries.
|
|
getToolChain().addProfileRTLibs(Args, CmdArgs);
|
|
|
|
if (D.CCCIsCXX() &&
|
|
!Args.hasArg(options::OPT_nostdlib, options::OPT_nodefaultlibs)) {
|
|
if (ToolChain.ShouldLinkCXXStdlib(Args)) {
|
|
bool OnlyLibstdcxxStatic = Args.hasArg(options::OPT_static_libstdcxx) &&
|
|
!Args.hasArg(options::OPT_static);
|
|
if (OnlyLibstdcxxStatic)
|
|
CmdArgs.push_back("-Bstatic");
|
|
ToolChain.AddCXXStdlibLibArgs(Args, CmdArgs);
|
|
if (OnlyLibstdcxxStatic)
|
|
CmdArgs.push_back("-Bdynamic");
|
|
}
|
|
CmdArgs.push_back("-lm");
|
|
}
|
|
// Silence warnings when linking C code with a C++ '-stdlib' argument.
|
|
Args.ClaimAllArgs(options::OPT_stdlib_EQ);
|
|
|
|
if (!Args.hasArg(options::OPT_nostdlib)) {
|
|
if (!Args.hasArg(options::OPT_nodefaultlibs)) {
|
|
if (IsStatic || IsStaticPIE)
|
|
CmdArgs.push_back("--start-group");
|
|
|
|
if (NeedsSanitizerDeps)
|
|
linkSanitizerRuntimeDeps(ToolChain, CmdArgs);
|
|
|
|
if (NeedsXRayDeps)
|
|
linkXRayRuntimeDeps(ToolChain, CmdArgs);
|
|
|
|
bool WantPthread = Args.hasArg(options::OPT_pthread) ||
|
|
Args.hasArg(options::OPT_pthreads);
|
|
|
|
// FIXME: Only pass GompNeedsRT = true for platforms with libgomp that
|
|
// require librt. Most modern Linux platforms do, but some may not.
|
|
if (addOpenMPRuntime(CmdArgs, ToolChain, Args,
|
|
JA.isHostOffloading(Action::OFK_OpenMP),
|
|
/* GompNeedsRT= */ true))
|
|
// OpenMP runtimes implies pthreads when using the GNU toolchain.
|
|
// FIXME: Does this really make sense for all GNU toolchains?
|
|
WantPthread = true;
|
|
|
|
AddRunTimeLibs(ToolChain, D, CmdArgs, Args);
|
|
|
|
if (WantPthread && !isAndroid)
|
|
CmdArgs.push_back("-lpthread");
|
|
|
|
if (Args.hasArg(options::OPT_fsplit_stack))
|
|
CmdArgs.push_back("--wrap=pthread_create");
|
|
|
|
if (!Args.hasArg(options::OPT_nolibc))
|
|
CmdArgs.push_back("-lc");
|
|
|
|
// Add IAMCU specific libs, if needed.
|
|
if (IsIAMCU)
|
|
CmdArgs.push_back("-lgloss");
|
|
|
|
if (IsStatic || IsStaticPIE)
|
|
CmdArgs.push_back("--end-group");
|
|
else
|
|
AddRunTimeLibs(ToolChain, D, CmdArgs, Args);
|
|
|
|
// Add IAMCU specific libs (outside the group), if needed.
|
|
if (IsIAMCU) {
|
|
CmdArgs.push_back("--as-needed");
|
|
CmdArgs.push_back("-lsoftfp");
|
|
CmdArgs.push_back("--no-as-needed");
|
|
}
|
|
}
|
|
|
|
if (!Args.hasArg(options::OPT_nostartfiles) && !IsIAMCU) {
|
|
if (HasCRTBeginEndFiles) {
|
|
std::string P;
|
|
if (ToolChain.GetRuntimeLibType(Args) == ToolChain::RLT_CompilerRT &&
|
|
!isAndroid) {
|
|
std::string crtend = ToolChain.getCompilerRT(Args, "crtend",
|
|
ToolChain::FT_Object);
|
|
if (ToolChain.getVFS().exists(crtend))
|
|
P = crtend;
|
|
}
|
|
if (P.empty()) {
|
|
const char *crtend;
|
|
if (Args.hasArg(options::OPT_shared))
|
|
crtend = isAndroid ? "crtend_so.o" : "crtendS.o";
|
|
else if (IsPIE || IsStaticPIE)
|
|
crtend = isAndroid ? "crtend_android.o" : "crtendS.o";
|
|
else
|
|
crtend = isAndroid ? "crtend_android.o" : "crtend.o";
|
|
P = ToolChain.GetFilePath(crtend);
|
|
}
|
|
CmdArgs.push_back(Args.MakeArgString(P));
|
|
}
|
|
if (!isAndroid)
|
|
CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("crtn.o")));
|
|
}
|
|
}
|
|
|
|
// Add OpenMP offloading linker script args if required.
|
|
AddOpenMPLinkerScript(getToolChain(), C, Output, Inputs, Args, CmdArgs, JA);
|
|
|
|
// Add HIP offloading linker script args if required.
|
|
AddHIPLinkerScript(getToolChain(), C, Output, Inputs, Args, CmdArgs, JA,
|
|
*this);
|
|
|
|
const char *Exec = Args.MakeArgString(ToolChain.GetLinkerPath());
|
|
C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs, Inputs));
|
|
}
|
|
|
|
void tools::gnutools::Assembler::ConstructJob(Compilation &C,
|
|
const JobAction &JA,
|
|
const InputInfo &Output,
|
|
const InputInfoList &Inputs,
|
|
const ArgList &Args,
|
|
const char *LinkingOutput) const {
|
|
const auto &D = getToolChain().getDriver();
|
|
|
|
claimNoWarnArgs(Args);
|
|
|
|
ArgStringList CmdArgs;
|
|
|
|
llvm::Reloc::Model RelocationModel;
|
|
unsigned PICLevel;
|
|
bool IsPIE;
|
|
std::tie(RelocationModel, PICLevel, IsPIE) =
|
|
ParsePICArgs(getToolChain(), Args);
|
|
|
|
if (const Arg *A = Args.getLastArg(options::OPT_gz, options::OPT_gz_EQ)) {
|
|
if (A->getOption().getID() == options::OPT_gz) {
|
|
CmdArgs.push_back("--compress-debug-sections");
|
|
} else {
|
|
StringRef Value = A->getValue();
|
|
if (Value == "none" || Value == "zlib" || Value == "zlib-gnu") {
|
|
CmdArgs.push_back(
|
|
Args.MakeArgString("--compress-debug-sections=" + Twine(Value)));
|
|
} else {
|
|
D.Diag(diag::err_drv_unsupported_option_argument)
|
|
<< A->getOption().getName() << Value;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (getToolChain().isNoExecStackDefault()) {
|
|
CmdArgs.push_back("--noexecstack");
|
|
}
|
|
|
|
switch (getToolChain().getArch()) {
|
|
default:
|
|
break;
|
|
// Add --32/--64 to make sure we get the format we want.
|
|
// This is incomplete
|
|
case llvm::Triple::x86:
|
|
CmdArgs.push_back("--32");
|
|
break;
|
|
case llvm::Triple::x86_64:
|
|
if (getToolChain().getTriple().getEnvironment() == llvm::Triple::GNUX32)
|
|
CmdArgs.push_back("--x32");
|
|
else
|
|
CmdArgs.push_back("--64");
|
|
break;
|
|
case llvm::Triple::ppc: {
|
|
CmdArgs.push_back("-a32");
|
|
CmdArgs.push_back("-mppc");
|
|
CmdArgs.push_back(
|
|
ppc::getPPCAsmModeForCPU(getCPUName(Args, getToolChain().getTriple())));
|
|
break;
|
|
}
|
|
case llvm::Triple::ppc64: {
|
|
CmdArgs.push_back("-a64");
|
|
CmdArgs.push_back("-mppc64");
|
|
CmdArgs.push_back(
|
|
ppc::getPPCAsmModeForCPU(getCPUName(Args, getToolChain().getTriple())));
|
|
break;
|
|
}
|
|
case llvm::Triple::ppc64le: {
|
|
CmdArgs.push_back("-a64");
|
|
CmdArgs.push_back("-mppc64");
|
|
CmdArgs.push_back("-mlittle-endian");
|
|
CmdArgs.push_back(
|
|
ppc::getPPCAsmModeForCPU(getCPUName(Args, getToolChain().getTriple())));
|
|
break;
|
|
}
|
|
case llvm::Triple::riscv32:
|
|
case llvm::Triple::riscv64: {
|
|
StringRef ABIName = riscv::getRISCVABI(Args, getToolChain().getTriple());
|
|
CmdArgs.push_back("-mabi");
|
|
CmdArgs.push_back(ABIName.data());
|
|
if (const Arg *A = Args.getLastArg(options::OPT_march_EQ)) {
|
|
StringRef MArch = A->getValue();
|
|
CmdArgs.push_back("-march");
|
|
CmdArgs.push_back(MArch.data());
|
|
}
|
|
break;
|
|
}
|
|
case llvm::Triple::sparc:
|
|
case llvm::Triple::sparcel: {
|
|
CmdArgs.push_back("-32");
|
|
std::string CPU = getCPUName(Args, getToolChain().getTriple());
|
|
CmdArgs.push_back(
|
|
sparc::getSparcAsmModeForCPU(CPU, getToolChain().getTriple()));
|
|
AddAssemblerKPIC(getToolChain(), Args, CmdArgs);
|
|
break;
|
|
}
|
|
case llvm::Triple::sparcv9: {
|
|
CmdArgs.push_back("-64");
|
|
std::string CPU = getCPUName(Args, getToolChain().getTriple());
|
|
CmdArgs.push_back(
|
|
sparc::getSparcAsmModeForCPU(CPU, getToolChain().getTriple()));
|
|
AddAssemblerKPIC(getToolChain(), Args, CmdArgs);
|
|
break;
|
|
}
|
|
case llvm::Triple::arm:
|
|
case llvm::Triple::armeb:
|
|
case llvm::Triple::thumb:
|
|
case llvm::Triple::thumbeb: {
|
|
const llvm::Triple &Triple2 = getToolChain().getTriple();
|
|
CmdArgs.push_back(isArmBigEndian(Triple2, Args) ? "-EB" : "-EL");
|
|
switch (Triple2.getSubArch()) {
|
|
case llvm::Triple::ARMSubArch_v7:
|
|
CmdArgs.push_back("-mfpu=neon");
|
|
break;
|
|
case llvm::Triple::ARMSubArch_v8:
|
|
CmdArgs.push_back("-mfpu=crypto-neon-fp-armv8");
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
switch (arm::getARMFloatABI(getToolChain(), Args)) {
|
|
case arm::FloatABI::Invalid: llvm_unreachable("must have an ABI!");
|
|
case arm::FloatABI::Soft:
|
|
CmdArgs.push_back(Args.MakeArgString("-mfloat-abi=soft"));
|
|
break;
|
|
case arm::FloatABI::SoftFP:
|
|
CmdArgs.push_back(Args.MakeArgString("-mfloat-abi=softfp"));
|
|
break;
|
|
case arm::FloatABI::Hard:
|
|
CmdArgs.push_back(Args.MakeArgString("-mfloat-abi=hard"));
|
|
break;
|
|
}
|
|
|
|
Args.AddLastArg(CmdArgs, options::OPT_march_EQ);
|
|
normalizeCPUNamesForAssembler(Args, CmdArgs);
|
|
|
|
Args.AddLastArg(CmdArgs, options::OPT_mfpu_EQ);
|
|
break;
|
|
}
|
|
case llvm::Triple::aarch64:
|
|
case llvm::Triple::aarch64_be: {
|
|
CmdArgs.push_back(
|
|
getToolChain().getArch() == llvm::Triple::aarch64_be ? "-EB" : "-EL");
|
|
Args.AddLastArg(CmdArgs, options::OPT_march_EQ);
|
|
normalizeCPUNamesForAssembler(Args, CmdArgs);
|
|
|
|
break;
|
|
}
|
|
case llvm::Triple::mips:
|
|
case llvm::Triple::mipsel:
|
|
case llvm::Triple::mips64:
|
|
case llvm::Triple::mips64el: {
|
|
StringRef CPUName;
|
|
StringRef ABIName;
|
|
mips::getMipsCPUAndABI(Args, getToolChain().getTriple(), CPUName, ABIName);
|
|
ABIName = mips::getGnuCompatibleMipsABIName(ABIName);
|
|
|
|
CmdArgs.push_back("-march");
|
|
CmdArgs.push_back(CPUName.data());
|
|
|
|
CmdArgs.push_back("-mabi");
|
|
CmdArgs.push_back(ABIName.data());
|
|
|
|
// -mno-shared should be emitted unless -fpic, -fpie, -fPIC, -fPIE,
|
|
// or -mshared (not implemented) is in effect.
|
|
if (RelocationModel == llvm::Reloc::Static)
|
|
CmdArgs.push_back("-mno-shared");
|
|
|
|
// LLVM doesn't support -mplt yet and acts as if it is always given.
|
|
// However, -mplt has no effect with the N64 ABI.
|
|
if (ABIName != "64" && !Args.hasArg(options::OPT_mno_abicalls))
|
|
CmdArgs.push_back("-call_nonpic");
|
|
|
|
if (getToolChain().getTriple().isLittleEndian())
|
|
CmdArgs.push_back("-EL");
|
|
else
|
|
CmdArgs.push_back("-EB");
|
|
|
|
if (Arg *A = Args.getLastArg(options::OPT_mnan_EQ)) {
|
|
if (StringRef(A->getValue()) == "2008")
|
|
CmdArgs.push_back(Args.MakeArgString("-mnan=2008"));
|
|
}
|
|
|
|
// Add the last -mfp32/-mfpxx/-mfp64 or -mfpxx if it is enabled by default.
|
|
if (Arg *A = Args.getLastArg(options::OPT_mfp32, options::OPT_mfpxx,
|
|
options::OPT_mfp64)) {
|
|
A->claim();
|
|
A->render(Args, CmdArgs);
|
|
} else if (mips::shouldUseFPXX(
|
|
Args, getToolChain().getTriple(), CPUName, ABIName,
|
|
mips::getMipsFloatABI(getToolChain().getDriver(), Args)))
|
|
CmdArgs.push_back("-mfpxx");
|
|
|
|
// Pass on -mmips16 or -mno-mips16. However, the assembler equivalent of
|
|
// -mno-mips16 is actually -no-mips16.
|
|
if (Arg *A =
|
|
Args.getLastArg(options::OPT_mips16, options::OPT_mno_mips16)) {
|
|
if (A->getOption().matches(options::OPT_mips16)) {
|
|
A->claim();
|
|
A->render(Args, CmdArgs);
|
|
} else {
|
|
A->claim();
|
|
CmdArgs.push_back("-no-mips16");
|
|
}
|
|
}
|
|
|
|
Args.AddLastArg(CmdArgs, options::OPT_mmicromips,
|
|
options::OPT_mno_micromips);
|
|
Args.AddLastArg(CmdArgs, options::OPT_mdsp, options::OPT_mno_dsp);
|
|
Args.AddLastArg(CmdArgs, options::OPT_mdspr2, options::OPT_mno_dspr2);
|
|
|
|
if (Arg *A = Args.getLastArg(options::OPT_mmsa, options::OPT_mno_msa)) {
|
|
// Do not use AddLastArg because not all versions of MIPS assembler
|
|
// support -mmsa / -mno-msa options.
|
|
if (A->getOption().matches(options::OPT_mmsa))
|
|
CmdArgs.push_back(Args.MakeArgString("-mmsa"));
|
|
}
|
|
|
|
Args.AddLastArg(CmdArgs, options::OPT_mhard_float,
|
|
options::OPT_msoft_float);
|
|
|
|
Args.AddLastArg(CmdArgs, options::OPT_mdouble_float,
|
|
options::OPT_msingle_float);
|
|
|
|
Args.AddLastArg(CmdArgs, options::OPT_modd_spreg,
|
|
options::OPT_mno_odd_spreg);
|
|
|
|
AddAssemblerKPIC(getToolChain(), Args, CmdArgs);
|
|
break;
|
|
}
|
|
case llvm::Triple::systemz: {
|
|
// Always pass an -march option, since our default of z10 is later
|
|
// than the GNU assembler's default.
|
|
StringRef CPUName = systemz::getSystemZTargetCPU(Args);
|
|
CmdArgs.push_back(Args.MakeArgString("-march=" + CPUName));
|
|
break;
|
|
}
|
|
}
|
|
|
|
Args.AddAllArgs(CmdArgs, options::OPT_I);
|
|
Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA, options::OPT_Xassembler);
|
|
|
|
CmdArgs.push_back("-o");
|
|
CmdArgs.push_back(Output.getFilename());
|
|
|
|
for (const auto &II : Inputs)
|
|
CmdArgs.push_back(II.getFilename());
|
|
|
|
const char *Exec = Args.MakeArgString(getToolChain().GetProgramPath("as"));
|
|
C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs, Inputs));
|
|
|
|
// Handle the debug info splitting at object creation time if we're
|
|
// creating an object.
|
|
// TODO: Currently only works on linux with newer objcopy.
|
|
if (Args.hasArg(options::OPT_gsplit_dwarf) &&
|
|
getToolChain().getTriple().isOSLinux())
|
|
SplitDebugInfo(getToolChain(), C, *this, JA, Args, Output,
|
|
SplitDebugName(Args, Inputs[0], Output));
|
|
}
|
|
|
|
namespace {
|
|
// Filter to remove Multilibs that don't exist as a suffix to Path
|
|
class FilterNonExistent {
|
|
StringRef Base, File;
|
|
llvm::vfs::FileSystem &VFS;
|
|
|
|
public:
|
|
FilterNonExistent(StringRef Base, StringRef File, llvm::vfs::FileSystem &VFS)
|
|
: Base(Base), File(File), VFS(VFS) {}
|
|
bool operator()(const Multilib &M) {
|
|
return !VFS.exists(Base + M.gccSuffix() + File);
|
|
}
|
|
};
|
|
} // end anonymous namespace
|
|
|
|
static bool isSoftFloatABI(const ArgList &Args) {
|
|
Arg *A = Args.getLastArg(options::OPT_msoft_float, options::OPT_mhard_float,
|
|
options::OPT_mfloat_abi_EQ);
|
|
if (!A)
|
|
return false;
|
|
|
|
return A->getOption().matches(options::OPT_msoft_float) ||
|
|
(A->getOption().matches(options::OPT_mfloat_abi_EQ) &&
|
|
A->getValue() == StringRef("soft"));
|
|
}
|
|
|
|
static bool isArmOrThumbArch(llvm::Triple::ArchType Arch) {
|
|
return Arch == llvm::Triple::arm || Arch == llvm::Triple::thumb;
|
|
}
|
|
|
|
static bool isMipsEL(llvm::Triple::ArchType Arch) {
|
|
return Arch == llvm::Triple::mipsel || Arch == llvm::Triple::mips64el;
|
|
}
|
|
|
|
static bool isMips16(const ArgList &Args) {
|
|
Arg *A = Args.getLastArg(options::OPT_mips16, options::OPT_mno_mips16);
|
|
return A && A->getOption().matches(options::OPT_mips16);
|
|
}
|
|
|
|
static bool isMicroMips(const ArgList &Args) {
|
|
Arg *A = Args.getLastArg(options::OPT_mmicromips, options::OPT_mno_micromips);
|
|
return A && A->getOption().matches(options::OPT_mmicromips);
|
|
}
|
|
|
|
static bool isRISCV(llvm::Triple::ArchType Arch) {
|
|
return Arch == llvm::Triple::riscv32 || Arch == llvm::Triple::riscv64;
|
|
}
|
|
|
|
static bool isMSP430(llvm::Triple::ArchType Arch) {
|
|
return Arch == llvm::Triple::msp430;
|
|
}
|
|
|
|
static Multilib makeMultilib(StringRef commonSuffix) {
|
|
return Multilib(commonSuffix, commonSuffix, commonSuffix);
|
|
}
|
|
|
|
static bool findMipsCsMultilibs(const Multilib::flags_list &Flags,
|
|
FilterNonExistent &NonExistent,
|
|
DetectedMultilibs &Result) {
|
|
// Check for Code Sourcery toolchain multilibs
|
|
MultilibSet CSMipsMultilibs;
|
|
{
|
|
auto MArchMips16 = makeMultilib("/mips16").flag("+m32").flag("+mips16");
|
|
|
|
auto MArchMicroMips =
|
|
makeMultilib("/micromips").flag("+m32").flag("+mmicromips");
|
|
|
|
auto MArchDefault = makeMultilib("").flag("-mips16").flag("-mmicromips");
|
|
|
|
auto UCLibc = makeMultilib("/uclibc").flag("+muclibc");
|
|
|
|
auto SoftFloat = makeMultilib("/soft-float").flag("+msoft-float");
|
|
|
|
auto Nan2008 = makeMultilib("/nan2008").flag("+mnan=2008");
|
|
|
|
auto DefaultFloat =
|
|
makeMultilib("").flag("-msoft-float").flag("-mnan=2008");
|
|
|
|
auto BigEndian = makeMultilib("").flag("+EB").flag("-EL");
|
|
|
|
auto LittleEndian = makeMultilib("/el").flag("+EL").flag("-EB");
|
|
|
|
// Note that this one's osSuffix is ""
|
|
auto MAbi64 = makeMultilib("")
|
|
.gccSuffix("/64")
|
|
.includeSuffix("/64")
|
|
.flag("+mabi=n64")
|
|
.flag("-mabi=n32")
|
|
.flag("-m32");
|
|
|
|
CSMipsMultilibs =
|
|
MultilibSet()
|
|
.Either(MArchMips16, MArchMicroMips, MArchDefault)
|
|
.Maybe(UCLibc)
|
|
.Either(SoftFloat, Nan2008, DefaultFloat)
|
|
.FilterOut("/micromips/nan2008")
|
|
.FilterOut("/mips16/nan2008")
|
|
.Either(BigEndian, LittleEndian)
|
|
.Maybe(MAbi64)
|
|
.FilterOut("/mips16.*/64")
|
|
.FilterOut("/micromips.*/64")
|
|
.FilterOut(NonExistent)
|
|
.setIncludeDirsCallback([](const Multilib &M) {
|
|
std::vector<std::string> Dirs({"/include"});
|
|
if (StringRef(M.includeSuffix()).startswith("/uclibc"))
|
|
Dirs.push_back(
|
|
"/../../../../mips-linux-gnu/libc/uclibc/usr/include");
|
|
else
|
|
Dirs.push_back("/../../../../mips-linux-gnu/libc/usr/include");
|
|
return Dirs;
|
|
});
|
|
}
|
|
|
|
MultilibSet DebianMipsMultilibs;
|
|
{
|
|
Multilib MAbiN32 =
|
|
Multilib().gccSuffix("/n32").includeSuffix("/n32").flag("+mabi=n32");
|
|
|
|
Multilib M64 = Multilib()
|
|
.gccSuffix("/64")
|
|
.includeSuffix("/64")
|
|
.flag("+m64")
|
|
.flag("-m32")
|
|
.flag("-mabi=n32");
|
|
|
|
Multilib M32 = Multilib().flag("-m64").flag("+m32").flag("-mabi=n32");
|
|
|
|
DebianMipsMultilibs =
|
|
MultilibSet().Either(M32, M64, MAbiN32).FilterOut(NonExistent);
|
|
}
|
|
|
|
// Sort candidates. Toolchain that best meets the directories tree goes first.
|
|
// Then select the first toolchains matches command line flags.
|
|
MultilibSet *Candidates[] = {&CSMipsMultilibs, &DebianMipsMultilibs};
|
|
if (CSMipsMultilibs.size() < DebianMipsMultilibs.size())
|
|
std::iter_swap(Candidates, Candidates + 1);
|
|
for (const MultilibSet *Candidate : Candidates) {
|
|
if (Candidate->select(Flags, Result.SelectedMultilib)) {
|
|
if (Candidate == &DebianMipsMultilibs)
|
|
Result.BiarchSibling = Multilib();
|
|
Result.Multilibs = *Candidate;
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
static bool findMipsAndroidMultilibs(llvm::vfs::FileSystem &VFS, StringRef Path,
|
|
const Multilib::flags_list &Flags,
|
|
FilterNonExistent &NonExistent,
|
|
DetectedMultilibs &Result) {
|
|
|
|
MultilibSet AndroidMipsMultilibs =
|
|
MultilibSet()
|
|
.Maybe(Multilib("/mips-r2").flag("+march=mips32r2"))
|
|
.Maybe(Multilib("/mips-r6").flag("+march=mips32r6"))
|
|
.FilterOut(NonExistent);
|
|
|
|
MultilibSet AndroidMipselMultilibs =
|
|
MultilibSet()
|
|
.Either(Multilib().flag("+march=mips32"),
|
|
Multilib("/mips-r2", "", "/mips-r2").flag("+march=mips32r2"),
|
|
Multilib("/mips-r6", "", "/mips-r6").flag("+march=mips32r6"))
|
|
.FilterOut(NonExistent);
|
|
|
|
MultilibSet AndroidMips64elMultilibs =
|
|
MultilibSet()
|
|
.Either(
|
|
Multilib().flag("+march=mips64r6"),
|
|
Multilib("/32/mips-r1", "", "/mips-r1").flag("+march=mips32"),
|
|
Multilib("/32/mips-r2", "", "/mips-r2").flag("+march=mips32r2"),
|
|
Multilib("/32/mips-r6", "", "/mips-r6").flag("+march=mips32r6"))
|
|
.FilterOut(NonExistent);
|
|
|
|
MultilibSet *MS = &AndroidMipsMultilibs;
|
|
if (VFS.exists(Path + "/mips-r6"))
|
|
MS = &AndroidMipselMultilibs;
|
|
else if (VFS.exists(Path + "/32"))
|
|
MS = &AndroidMips64elMultilibs;
|
|
if (MS->select(Flags, Result.SelectedMultilib)) {
|
|
Result.Multilibs = *MS;
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
static bool findMipsMuslMultilibs(const Multilib::flags_list &Flags,
|
|
FilterNonExistent &NonExistent,
|
|
DetectedMultilibs &Result) {
|
|
// Musl toolchain multilibs
|
|
MultilibSet MuslMipsMultilibs;
|
|
{
|
|
auto MArchMipsR2 = makeMultilib("")
|
|
.osSuffix("/mips-r2-hard-musl")
|
|
.flag("+EB")
|
|
.flag("-EL")
|
|
.flag("+march=mips32r2");
|
|
|
|
auto MArchMipselR2 = makeMultilib("/mipsel-r2-hard-musl")
|
|
.flag("-EB")
|
|
.flag("+EL")
|
|
.flag("+march=mips32r2");
|
|
|
|
MuslMipsMultilibs = MultilibSet().Either(MArchMipsR2, MArchMipselR2);
|
|
|
|
// Specify the callback that computes the include directories.
|
|
MuslMipsMultilibs.setIncludeDirsCallback([](const Multilib &M) {
|
|
return std::vector<std::string>(
|
|
{"/../sysroot" + M.osSuffix() + "/usr/include"});
|
|
});
|
|
}
|
|
if (MuslMipsMultilibs.select(Flags, Result.SelectedMultilib)) {
|
|
Result.Multilibs = MuslMipsMultilibs;
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
static bool findMipsMtiMultilibs(const Multilib::flags_list &Flags,
|
|
FilterNonExistent &NonExistent,
|
|
DetectedMultilibs &Result) {
|
|
// CodeScape MTI toolchain v1.2 and early.
|
|
MultilibSet MtiMipsMultilibsV1;
|
|
{
|
|
auto MArchMips32 = makeMultilib("/mips32")
|
|
.flag("+m32")
|
|
.flag("-m64")
|
|
.flag("-mmicromips")
|
|
.flag("+march=mips32");
|
|
|
|
auto MArchMicroMips = makeMultilib("/micromips")
|
|
.flag("+m32")
|
|
.flag("-m64")
|
|
.flag("+mmicromips");
|
|
|
|
auto MArchMips64r2 = makeMultilib("/mips64r2")
|
|
.flag("-m32")
|
|
.flag("+m64")
|
|
.flag("+march=mips64r2");
|
|
|
|
auto MArchMips64 = makeMultilib("/mips64").flag("-m32").flag("+m64").flag(
|
|
"-march=mips64r2");
|
|
|
|
auto MArchDefault = makeMultilib("")
|
|
.flag("+m32")
|
|
.flag("-m64")
|
|
.flag("-mmicromips")
|
|
.flag("+march=mips32r2");
|
|
|
|
auto Mips16 = makeMultilib("/mips16").flag("+mips16");
|
|
|
|
auto UCLibc = makeMultilib("/uclibc").flag("+muclibc");
|
|
|
|
auto MAbi64 =
|
|
makeMultilib("/64").flag("+mabi=n64").flag("-mabi=n32").flag("-m32");
|
|
|
|
auto BigEndian = makeMultilib("").flag("+EB").flag("-EL");
|
|
|
|
auto LittleEndian = makeMultilib("/el").flag("+EL").flag("-EB");
|
|
|
|
auto SoftFloat = makeMultilib("/sof").flag("+msoft-float");
|
|
|
|
auto Nan2008 = makeMultilib("/nan2008").flag("+mnan=2008");
|
|
|
|
MtiMipsMultilibsV1 =
|
|
MultilibSet()
|
|
.Either(MArchMips32, MArchMicroMips, MArchMips64r2, MArchMips64,
|
|
MArchDefault)
|
|
.Maybe(UCLibc)
|
|
.Maybe(Mips16)
|
|
.FilterOut("/mips64/mips16")
|
|
.FilterOut("/mips64r2/mips16")
|
|
.FilterOut("/micromips/mips16")
|
|
.Maybe(MAbi64)
|
|
.FilterOut("/micromips/64")
|
|
.FilterOut("/mips32/64")
|
|
.FilterOut("^/64")
|
|
.FilterOut("/mips16/64")
|
|
.Either(BigEndian, LittleEndian)
|
|
.Maybe(SoftFloat)
|
|
.Maybe(Nan2008)
|
|
.FilterOut(".*sof/nan2008")
|
|
.FilterOut(NonExistent)
|
|
.setIncludeDirsCallback([](const Multilib &M) {
|
|
std::vector<std::string> Dirs({"/include"});
|
|
if (StringRef(M.includeSuffix()).startswith("/uclibc"))
|
|
Dirs.push_back("/../../../../sysroot/uclibc/usr/include");
|
|
else
|
|
Dirs.push_back("/../../../../sysroot/usr/include");
|
|
return Dirs;
|
|
});
|
|
}
|
|
|
|
// CodeScape IMG toolchain starting from v1.3.
|
|
MultilibSet MtiMipsMultilibsV2;
|
|
{
|
|
auto BeHard = makeMultilib("/mips-r2-hard")
|
|
.flag("+EB")
|
|
.flag("-msoft-float")
|
|
.flag("-mnan=2008")
|
|
.flag("-muclibc");
|
|
auto BeSoft = makeMultilib("/mips-r2-soft")
|
|
.flag("+EB")
|
|
.flag("+msoft-float")
|
|
.flag("-mnan=2008");
|
|
auto ElHard = makeMultilib("/mipsel-r2-hard")
|
|
.flag("+EL")
|
|
.flag("-msoft-float")
|
|
.flag("-mnan=2008")
|
|
.flag("-muclibc");
|
|
auto ElSoft = makeMultilib("/mipsel-r2-soft")
|
|
.flag("+EL")
|
|
.flag("+msoft-float")
|
|
.flag("-mnan=2008")
|
|
.flag("-mmicromips");
|
|
auto BeHardNan = makeMultilib("/mips-r2-hard-nan2008")
|
|
.flag("+EB")
|
|
.flag("-msoft-float")
|
|
.flag("+mnan=2008")
|
|
.flag("-muclibc");
|
|
auto ElHardNan = makeMultilib("/mipsel-r2-hard-nan2008")
|
|
.flag("+EL")
|
|
.flag("-msoft-float")
|
|
.flag("+mnan=2008")
|
|
.flag("-muclibc")
|
|
.flag("-mmicromips");
|
|
auto BeHardNanUclibc = makeMultilib("/mips-r2-hard-nan2008-uclibc")
|
|
.flag("+EB")
|
|
.flag("-msoft-float")
|
|
.flag("+mnan=2008")
|
|
.flag("+muclibc");
|
|
auto ElHardNanUclibc = makeMultilib("/mipsel-r2-hard-nan2008-uclibc")
|
|
.flag("+EL")
|
|
.flag("-msoft-float")
|
|
.flag("+mnan=2008")
|
|
.flag("+muclibc");
|
|
auto BeHardUclibc = makeMultilib("/mips-r2-hard-uclibc")
|
|
.flag("+EB")
|
|
.flag("-msoft-float")
|
|
.flag("-mnan=2008")
|
|
.flag("+muclibc");
|
|
auto ElHardUclibc = makeMultilib("/mipsel-r2-hard-uclibc")
|
|
.flag("+EL")
|
|
.flag("-msoft-float")
|
|
.flag("-mnan=2008")
|
|
.flag("+muclibc");
|
|
auto ElMicroHardNan = makeMultilib("/micromipsel-r2-hard-nan2008")
|
|
.flag("+EL")
|
|
.flag("-msoft-float")
|
|
.flag("+mnan=2008")
|
|
.flag("+mmicromips");
|
|
auto ElMicroSoft = makeMultilib("/micromipsel-r2-soft")
|
|
.flag("+EL")
|
|
.flag("+msoft-float")
|
|
.flag("-mnan=2008")
|
|
.flag("+mmicromips");
|
|
|
|
auto O32 =
|
|
makeMultilib("/lib").osSuffix("").flag("-mabi=n32").flag("-mabi=n64");
|
|
auto N32 =
|
|
makeMultilib("/lib32").osSuffix("").flag("+mabi=n32").flag("-mabi=n64");
|
|
auto N64 =
|
|
makeMultilib("/lib64").osSuffix("").flag("-mabi=n32").flag("+mabi=n64");
|
|
|
|
MtiMipsMultilibsV2 =
|
|
MultilibSet()
|
|
.Either({BeHard, BeSoft, ElHard, ElSoft, BeHardNan, ElHardNan,
|
|
BeHardNanUclibc, ElHardNanUclibc, BeHardUclibc,
|
|
ElHardUclibc, ElMicroHardNan, ElMicroSoft})
|
|
.Either(O32, N32, N64)
|
|
.FilterOut(NonExistent)
|
|
.setIncludeDirsCallback([](const Multilib &M) {
|
|
return std::vector<std::string>({"/../../../../sysroot" +
|
|
M.includeSuffix() +
|
|
"/../usr/include"});
|
|
})
|
|
.setFilePathsCallback([](const Multilib &M) {
|
|
return std::vector<std::string>(
|
|
{"/../../../../mips-mti-linux-gnu/lib" + M.gccSuffix()});
|
|
});
|
|
}
|
|
for (auto Candidate : {&MtiMipsMultilibsV1, &MtiMipsMultilibsV2}) {
|
|
if (Candidate->select(Flags, Result.SelectedMultilib)) {
|
|
Result.Multilibs = *Candidate;
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
static bool findMipsImgMultilibs(const Multilib::flags_list &Flags,
|
|
FilterNonExistent &NonExistent,
|
|
DetectedMultilibs &Result) {
|
|
// CodeScape IMG toolchain v1.2 and early.
|
|
MultilibSet ImgMultilibsV1;
|
|
{
|
|
auto Mips64r6 = makeMultilib("/mips64r6").flag("+m64").flag("-m32");
|
|
|
|
auto LittleEndian = makeMultilib("/el").flag("+EL").flag("-EB");
|
|
|
|
auto MAbi64 =
|
|
makeMultilib("/64").flag("+mabi=n64").flag("-mabi=n32").flag("-m32");
|
|
|
|
ImgMultilibsV1 =
|
|
MultilibSet()
|
|
.Maybe(Mips64r6)
|
|
.Maybe(MAbi64)
|
|
.Maybe(LittleEndian)
|
|
.FilterOut(NonExistent)
|
|
.setIncludeDirsCallback([](const Multilib &M) {
|
|
return std::vector<std::string>(
|
|
{"/include", "/../../../../sysroot/usr/include"});
|
|
});
|
|
}
|
|
|
|
// CodeScape IMG toolchain starting from v1.3.
|
|
MultilibSet ImgMultilibsV2;
|
|
{
|
|
auto BeHard = makeMultilib("/mips-r6-hard")
|
|
.flag("+EB")
|
|
.flag("-msoft-float")
|
|
.flag("-mmicromips");
|
|
auto BeSoft = makeMultilib("/mips-r6-soft")
|
|
.flag("+EB")
|
|
.flag("+msoft-float")
|
|
.flag("-mmicromips");
|
|
auto ElHard = makeMultilib("/mipsel-r6-hard")
|
|
.flag("+EL")
|
|
.flag("-msoft-float")
|
|
.flag("-mmicromips");
|
|
auto ElSoft = makeMultilib("/mipsel-r6-soft")
|
|
.flag("+EL")
|
|
.flag("+msoft-float")
|
|
.flag("-mmicromips");
|
|
auto BeMicroHard = makeMultilib("/micromips-r6-hard")
|
|
.flag("+EB")
|
|
.flag("-msoft-float")
|
|
.flag("+mmicromips");
|
|
auto BeMicroSoft = makeMultilib("/micromips-r6-soft")
|
|
.flag("+EB")
|
|
.flag("+msoft-float")
|
|
.flag("+mmicromips");
|
|
auto ElMicroHard = makeMultilib("/micromipsel-r6-hard")
|
|
.flag("+EL")
|
|
.flag("-msoft-float")
|
|
.flag("+mmicromips");
|
|
auto ElMicroSoft = makeMultilib("/micromipsel-r6-soft")
|
|
.flag("+EL")
|
|
.flag("+msoft-float")
|
|
.flag("+mmicromips");
|
|
|
|
auto O32 =
|
|
makeMultilib("/lib").osSuffix("").flag("-mabi=n32").flag("-mabi=n64");
|
|
auto N32 =
|
|
makeMultilib("/lib32").osSuffix("").flag("+mabi=n32").flag("-mabi=n64");
|
|
auto N64 =
|
|
makeMultilib("/lib64").osSuffix("").flag("-mabi=n32").flag("+mabi=n64");
|
|
|
|
ImgMultilibsV2 =
|
|
MultilibSet()
|
|
.Either({BeHard, BeSoft, ElHard, ElSoft, BeMicroHard, BeMicroSoft,
|
|
ElMicroHard, ElMicroSoft})
|
|
.Either(O32, N32, N64)
|
|
.FilterOut(NonExistent)
|
|
.setIncludeDirsCallback([](const Multilib &M) {
|
|
return std::vector<std::string>({"/../../../../sysroot" +
|
|
M.includeSuffix() +
|
|
"/../usr/include"});
|
|
})
|
|
.setFilePathsCallback([](const Multilib &M) {
|
|
return std::vector<std::string>(
|
|
{"/../../../../mips-img-linux-gnu/lib" + M.gccSuffix()});
|
|
});
|
|
}
|
|
for (auto Candidate : {&ImgMultilibsV1, &ImgMultilibsV2}) {
|
|
if (Candidate->select(Flags, Result.SelectedMultilib)) {
|
|
Result.Multilibs = *Candidate;
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
bool clang::driver::findMIPSMultilibs(const Driver &D,
|
|
const llvm::Triple &TargetTriple,
|
|
StringRef Path, const ArgList &Args,
|
|
DetectedMultilibs &Result) {
|
|
FilterNonExistent NonExistent(Path, "/crtbegin.o", D.getVFS());
|
|
|
|
StringRef CPUName;
|
|
StringRef ABIName;
|
|
tools::mips::getMipsCPUAndABI(Args, TargetTriple, CPUName, ABIName);
|
|
|
|
llvm::Triple::ArchType TargetArch = TargetTriple.getArch();
|
|
|
|
Multilib::flags_list Flags;
|
|
addMultilibFlag(TargetTriple.isMIPS32(), "m32", Flags);
|
|
addMultilibFlag(TargetTriple.isMIPS64(), "m64", Flags);
|
|
addMultilibFlag(isMips16(Args), "mips16", Flags);
|
|
addMultilibFlag(CPUName == "mips32", "march=mips32", Flags);
|
|
addMultilibFlag(CPUName == "mips32r2" || CPUName == "mips32r3" ||
|
|
CPUName == "mips32r5" || CPUName == "p5600",
|
|
"march=mips32r2", Flags);
|
|
addMultilibFlag(CPUName == "mips32r6", "march=mips32r6", Flags);
|
|
addMultilibFlag(CPUName == "mips64", "march=mips64", Flags);
|
|
addMultilibFlag(CPUName == "mips64r2" || CPUName == "mips64r3" ||
|
|
CPUName == "mips64r5" || CPUName == "octeon",
|
|
"march=mips64r2", Flags);
|
|
addMultilibFlag(CPUName == "mips64r6", "march=mips64r6", Flags);
|
|
addMultilibFlag(isMicroMips(Args), "mmicromips", Flags);
|
|
addMultilibFlag(tools::mips::isUCLibc(Args), "muclibc", Flags);
|
|
addMultilibFlag(tools::mips::isNaN2008(Args, TargetTriple), "mnan=2008",
|
|
Flags);
|
|
addMultilibFlag(ABIName == "n32", "mabi=n32", Flags);
|
|
addMultilibFlag(ABIName == "n64", "mabi=n64", Flags);
|
|
addMultilibFlag(isSoftFloatABI(Args), "msoft-float", Flags);
|
|
addMultilibFlag(!isSoftFloatABI(Args), "mhard-float", Flags);
|
|
addMultilibFlag(isMipsEL(TargetArch), "EL", Flags);
|
|
addMultilibFlag(!isMipsEL(TargetArch), "EB", Flags);
|
|
|
|
if (TargetTriple.isAndroid())
|
|
return findMipsAndroidMultilibs(D.getVFS(), Path, Flags, NonExistent,
|
|
Result);
|
|
|
|
if (TargetTriple.getVendor() == llvm::Triple::MipsTechnologies &&
|
|
TargetTriple.getOS() == llvm::Triple::Linux &&
|
|
TargetTriple.getEnvironment() == llvm::Triple::UnknownEnvironment)
|
|
return findMipsMuslMultilibs(Flags, NonExistent, Result);
|
|
|
|
if (TargetTriple.getVendor() == llvm::Triple::MipsTechnologies &&
|
|
TargetTriple.getOS() == llvm::Triple::Linux &&
|
|
TargetTriple.isGNUEnvironment())
|
|
return findMipsMtiMultilibs(Flags, NonExistent, Result);
|
|
|
|
if (TargetTriple.getVendor() == llvm::Triple::ImaginationTechnologies &&
|
|
TargetTriple.getOS() == llvm::Triple::Linux &&
|
|
TargetTriple.isGNUEnvironment())
|
|
return findMipsImgMultilibs(Flags, NonExistent, Result);
|
|
|
|
if (findMipsCsMultilibs(Flags, NonExistent, Result))
|
|
return true;
|
|
|
|
// Fallback to the regular toolchain-tree structure.
|
|
Multilib Default;
|
|
Result.Multilibs.push_back(Default);
|
|
Result.Multilibs.FilterOut(NonExistent);
|
|
|
|
if (Result.Multilibs.select(Flags, Result.SelectedMultilib)) {
|
|
Result.BiarchSibling = Multilib();
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
static void findAndroidArmMultilibs(const Driver &D,
|
|
const llvm::Triple &TargetTriple,
|
|
StringRef Path, const ArgList &Args,
|
|
DetectedMultilibs &Result) {
|
|
// Find multilibs with subdirectories like armv7-a, thumb, armv7-a/thumb.
|
|
FilterNonExistent NonExistent(Path, "/crtbegin.o", D.getVFS());
|
|
Multilib ArmV7Multilib = makeMultilib("/armv7-a")
|
|
.flag("+march=armv7-a")
|
|
.flag("-mthumb");
|
|
Multilib ThumbMultilib = makeMultilib("/thumb")
|
|
.flag("-march=armv7-a")
|
|
.flag("+mthumb");
|
|
Multilib ArmV7ThumbMultilib = makeMultilib("/armv7-a/thumb")
|
|
.flag("+march=armv7-a")
|
|
.flag("+mthumb");
|
|
Multilib DefaultMultilib = makeMultilib("")
|
|
.flag("-march=armv7-a")
|
|
.flag("-mthumb");
|
|
MultilibSet AndroidArmMultilibs =
|
|
MultilibSet()
|
|
.Either(ThumbMultilib, ArmV7Multilib,
|
|
ArmV7ThumbMultilib, DefaultMultilib)
|
|
.FilterOut(NonExistent);
|
|
|
|
Multilib::flags_list Flags;
|
|
llvm::StringRef Arch = Args.getLastArgValue(options::OPT_march_EQ);
|
|
bool IsArmArch = TargetTriple.getArch() == llvm::Triple::arm;
|
|
bool IsThumbArch = TargetTriple.getArch() == llvm::Triple::thumb;
|
|
bool IsV7SubArch = TargetTriple.getSubArch() == llvm::Triple::ARMSubArch_v7;
|
|
bool IsThumbMode = IsThumbArch ||
|
|
Args.hasFlag(options::OPT_mthumb, options::OPT_mno_thumb, false) ||
|
|
(IsArmArch && llvm::ARM::parseArchISA(Arch) == llvm::ARM::ISAKind::THUMB);
|
|
bool IsArmV7Mode = (IsArmArch || IsThumbArch) &&
|
|
(llvm::ARM::parseArchVersion(Arch) == 7 ||
|
|
(IsArmArch && Arch == "" && IsV7SubArch));
|
|
addMultilibFlag(IsArmV7Mode, "march=armv7-a", Flags);
|
|
addMultilibFlag(IsThumbMode, "mthumb", Flags);
|
|
|
|
if (AndroidArmMultilibs.select(Flags, Result.SelectedMultilib))
|
|
Result.Multilibs = AndroidArmMultilibs;
|
|
}
|
|
|
|
static bool findMSP430Multilibs(const Driver &D,
|
|
const llvm::Triple &TargetTriple,
|
|
StringRef Path, const ArgList &Args,
|
|
DetectedMultilibs &Result) {
|
|
FilterNonExistent NonExistent(Path, "/crtbegin.o", D.getVFS());
|
|
Multilib MSP430Multilib = makeMultilib("/430");
|
|
// FIXME: when clang starts to support msp430x ISA additional logic
|
|
// to select between multilib must be implemented
|
|
// Multilib MSP430xMultilib = makeMultilib("/large");
|
|
|
|
Result.Multilibs.push_back(MSP430Multilib);
|
|
Result.Multilibs.FilterOut(NonExistent);
|
|
|
|
Multilib::flags_list Flags;
|
|
if (Result.Multilibs.select(Flags, Result.SelectedMultilib))
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
static void findRISCVMultilibs(const Driver &D,
|
|
const llvm::Triple &TargetTriple, StringRef Path,
|
|
const ArgList &Args, DetectedMultilibs &Result) {
|
|
|
|
FilterNonExistent NonExistent(Path, "/crtbegin.o", D.getVFS());
|
|
Multilib Ilp32 = makeMultilib("lib32/ilp32").flag("+m32").flag("+mabi=ilp32");
|
|
Multilib Ilp32f =
|
|
makeMultilib("lib32/ilp32f").flag("+m32").flag("+mabi=ilp32f");
|
|
Multilib Ilp32d =
|
|
makeMultilib("lib32/ilp32d").flag("+m32").flag("+mabi=ilp32d");
|
|
Multilib Lp64 = makeMultilib("lib64/lp64").flag("+m64").flag("+mabi=lp64");
|
|
Multilib Lp64f = makeMultilib("lib64/lp64f").flag("+m64").flag("+mabi=lp64f");
|
|
Multilib Lp64d = makeMultilib("lib64/lp64d").flag("+m64").flag("+mabi=lp64d");
|
|
MultilibSet RISCVMultilibs =
|
|
MultilibSet()
|
|
.Either({Ilp32, Ilp32f, Ilp32d, Lp64, Lp64f, Lp64d})
|
|
.FilterOut(NonExistent);
|
|
|
|
Multilib::flags_list Flags;
|
|
bool IsRV64 = TargetTriple.getArch() == llvm::Triple::riscv64;
|
|
StringRef ABIName = tools::riscv::getRISCVABI(Args, TargetTriple);
|
|
|
|
addMultilibFlag(!IsRV64, "m32", Flags);
|
|
addMultilibFlag(IsRV64, "m64", Flags);
|
|
addMultilibFlag(ABIName == "ilp32", "mabi=ilp32", Flags);
|
|
addMultilibFlag(ABIName == "ilp32f", "mabi=ilp32f", Flags);
|
|
addMultilibFlag(ABIName == "ilp32d", "mabi=ilp32d", Flags);
|
|
addMultilibFlag(ABIName == "lp64", "mabi=lp64", Flags);
|
|
addMultilibFlag(ABIName == "lp64f", "mabi=lp64f", Flags);
|
|
addMultilibFlag(ABIName == "lp64d", "mabi=lp64d", Flags);
|
|
|
|
if (RISCVMultilibs.select(Flags, Result.SelectedMultilib))
|
|
Result.Multilibs = RISCVMultilibs;
|
|
}
|
|
|
|
static bool findBiarchMultilibs(const Driver &D,
|
|
const llvm::Triple &TargetTriple,
|
|
StringRef Path, const ArgList &Args,
|
|
bool NeedsBiarchSuffix,
|
|
DetectedMultilibs &Result) {
|
|
Multilib Default;
|
|
|
|
// Some versions of SUSE and Fedora on ppc64 put 32-bit libs
|
|
// in what would normally be GCCInstallPath and put the 64-bit
|
|
// libs in a subdirectory named 64. The simple logic we follow is that
|
|
// *if* there is a subdirectory of the right name with crtbegin.o in it,
|
|
// we use that. If not, and if not a biarch triple alias, we look for
|
|
// crtbegin.o without the subdirectory.
|
|
|
|
StringRef Suff64 = "/64";
|
|
// Solaris uses platform-specific suffixes instead of /64.
|
|
if (TargetTriple.getOS() == llvm::Triple::Solaris) {
|
|
switch (TargetTriple.getArch()) {
|
|
case llvm::Triple::x86:
|
|
case llvm::Triple::x86_64:
|
|
Suff64 = "/amd64";
|
|
break;
|
|
case llvm::Triple::sparc:
|
|
case llvm::Triple::sparcv9:
|
|
Suff64 = "/sparcv9";
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
Multilib Alt64 = Multilib()
|
|
.gccSuffix(Suff64)
|
|
.includeSuffix(Suff64)
|
|
.flag("-m32")
|
|
.flag("+m64")
|
|
.flag("-mx32");
|
|
Multilib Alt32 = Multilib()
|
|
.gccSuffix("/32")
|
|
.includeSuffix("/32")
|
|
.flag("+m32")
|
|
.flag("-m64")
|
|
.flag("-mx32");
|
|
Multilib Altx32 = Multilib()
|
|
.gccSuffix("/x32")
|
|
.includeSuffix("/x32")
|
|
.flag("-m32")
|
|
.flag("-m64")
|
|
.flag("+mx32");
|
|
|
|
// GCC toolchain for IAMCU doesn't have crtbegin.o, so look for libgcc.a.
|
|
FilterNonExistent NonExistent(
|
|
Path, TargetTriple.isOSIAMCU() ? "/libgcc.a" : "/crtbegin.o", D.getVFS());
|
|
|
|
// Determine default multilib from: 32, 64, x32
|
|
// Also handle cases such as 64 on 32, 32 on 64, etc.
|
|
enum { UNKNOWN, WANT32, WANT64, WANTX32 } Want = UNKNOWN;
|
|
const bool IsX32 = TargetTriple.getEnvironment() == llvm::Triple::GNUX32;
|
|
if (TargetTriple.isArch32Bit() && !NonExistent(Alt32))
|
|
Want = WANT64;
|
|
else if (TargetTriple.isArch64Bit() && IsX32 && !NonExistent(Altx32))
|
|
Want = WANT64;
|
|
else if (TargetTriple.isArch64Bit() && !IsX32 && !NonExistent(Alt64))
|
|
Want = WANT32;
|
|
else {
|
|
if (TargetTriple.isArch32Bit())
|
|
Want = NeedsBiarchSuffix ? WANT64 : WANT32;
|
|
else if (IsX32)
|
|
Want = NeedsBiarchSuffix ? WANT64 : WANTX32;
|
|
else
|
|
Want = NeedsBiarchSuffix ? WANT32 : WANT64;
|
|
}
|
|
|
|
if (Want == WANT32)
|
|
Default.flag("+m32").flag("-m64").flag("-mx32");
|
|
else if (Want == WANT64)
|
|
Default.flag("-m32").flag("+m64").flag("-mx32");
|
|
else if (Want == WANTX32)
|
|
Default.flag("-m32").flag("-m64").flag("+mx32");
|
|
else
|
|
return false;
|
|
|
|
Result.Multilibs.push_back(Default);
|
|
Result.Multilibs.push_back(Alt64);
|
|
Result.Multilibs.push_back(Alt32);
|
|
Result.Multilibs.push_back(Altx32);
|
|
|
|
Result.Multilibs.FilterOut(NonExistent);
|
|
|
|
Multilib::flags_list Flags;
|
|
addMultilibFlag(TargetTriple.isArch64Bit() && !IsX32, "m64", Flags);
|
|
addMultilibFlag(TargetTriple.isArch32Bit(), "m32", Flags);
|
|
addMultilibFlag(TargetTriple.isArch64Bit() && IsX32, "mx32", Flags);
|
|
|
|
if (!Result.Multilibs.select(Flags, Result.SelectedMultilib))
|
|
return false;
|
|
|
|
if (Result.SelectedMultilib == Alt64 || Result.SelectedMultilib == Alt32 ||
|
|
Result.SelectedMultilib == Altx32)
|
|
Result.BiarchSibling = Default;
|
|
|
|
return true;
|
|
}
|
|
|
|
/// Generic_GCC - A tool chain using the 'gcc' command to perform
|
|
/// all subcommands; this relies on gcc translating the majority of
|
|
/// command line options.
|
|
|
|
/// Less-than for GCCVersion, implementing a Strict Weak Ordering.
|
|
bool Generic_GCC::GCCVersion::isOlderThan(int RHSMajor, int RHSMinor,
|
|
int RHSPatch,
|
|
StringRef RHSPatchSuffix) const {
|
|
if (Major != RHSMajor)
|
|
return Major < RHSMajor;
|
|
if (Minor != RHSMinor)
|
|
return Minor < RHSMinor;
|
|
if (Patch != RHSPatch) {
|
|
// Note that versions without a specified patch sort higher than those with
|
|
// a patch.
|
|
if (RHSPatch == -1)
|
|
return true;
|
|
if (Patch == -1)
|
|
return false;
|
|
|
|
// Otherwise just sort on the patch itself.
|
|
return Patch < RHSPatch;
|
|
}
|
|
if (PatchSuffix != RHSPatchSuffix) {
|
|
// Sort empty suffixes higher.
|
|
if (RHSPatchSuffix.empty())
|
|
return true;
|
|
if (PatchSuffix.empty())
|
|
return false;
|
|
|
|
// Provide a lexicographic sort to make this a total ordering.
|
|
return PatchSuffix < RHSPatchSuffix;
|
|
}
|
|
|
|
// The versions are equal.
|
|
return false;
|
|
}
|
|
|
|
/// Parse a GCCVersion object out of a string of text.
|
|
///
|
|
/// This is the primary means of forming GCCVersion objects.
|
|
/*static*/
|
|
Generic_GCC::GCCVersion Generic_GCC::GCCVersion::Parse(StringRef VersionText) {
|
|
const GCCVersion BadVersion = {VersionText.str(), -1, -1, -1, "", "", ""};
|
|
std::pair<StringRef, StringRef> First = VersionText.split('.');
|
|
std::pair<StringRef, StringRef> Second = First.second.split('.');
|
|
|
|
GCCVersion GoodVersion = {VersionText.str(), -1, -1, -1, "", "", ""};
|
|
if (First.first.getAsInteger(10, GoodVersion.Major) || GoodVersion.Major < 0)
|
|
return BadVersion;
|
|
GoodVersion.MajorStr = First.first.str();
|
|
if (First.second.empty())
|
|
return GoodVersion;
|
|
StringRef MinorStr = Second.first;
|
|
if (Second.second.empty()) {
|
|
if (size_t EndNumber = MinorStr.find_first_not_of("0123456789")) {
|
|
GoodVersion.PatchSuffix = MinorStr.substr(EndNumber);
|
|
MinorStr = MinorStr.slice(0, EndNumber);
|
|
}
|
|
}
|
|
if (MinorStr.getAsInteger(10, GoodVersion.Minor) || GoodVersion.Minor < 0)
|
|
return BadVersion;
|
|
GoodVersion.MinorStr = MinorStr.str();
|
|
|
|
// First look for a number prefix and parse that if present. Otherwise just
|
|
// stash the entire patch string in the suffix, and leave the number
|
|
// unspecified. This covers versions strings such as:
|
|
// 5 (handled above)
|
|
// 4.4
|
|
// 4.4-patched
|
|
// 4.4.0
|
|
// 4.4.x
|
|
// 4.4.2-rc4
|
|
// 4.4.x-patched
|
|
// And retains any patch number it finds.
|
|
StringRef PatchText = Second.second;
|
|
if (!PatchText.empty()) {
|
|
if (size_t EndNumber = PatchText.find_first_not_of("0123456789")) {
|
|
// Try to parse the number and any suffix.
|
|
if (PatchText.slice(0, EndNumber).getAsInteger(10, GoodVersion.Patch) ||
|
|
GoodVersion.Patch < 0)
|
|
return BadVersion;
|
|
GoodVersion.PatchSuffix = PatchText.substr(EndNumber);
|
|
}
|
|
}
|
|
|
|
return GoodVersion;
|
|
}
|
|
|
|
static llvm::StringRef getGCCToolchainDir(const ArgList &Args,
|
|
llvm::StringRef SysRoot) {
|
|
const Arg *A = Args.getLastArg(clang::driver::options::OPT_gcc_toolchain);
|
|
if (A)
|
|
return A->getValue();
|
|
|
|
// If we have a SysRoot, ignore GCC_INSTALL_PREFIX.
|
|
// GCC_INSTALL_PREFIX specifies the gcc installation for the default
|
|
// sysroot and is likely not valid with a different sysroot.
|
|
if (!SysRoot.empty())
|
|
return "";
|
|
|
|
return GCC_INSTALL_PREFIX;
|
|
}
|
|
|
|
/// Initialize a GCCInstallationDetector from the driver.
|
|
///
|
|
/// This performs all of the autodetection and sets up the various paths.
|
|
/// Once constructed, a GCCInstallationDetector is essentially immutable.
|
|
///
|
|
/// FIXME: We shouldn't need an explicit TargetTriple parameter here, and
|
|
/// should instead pull the target out of the driver. This is currently
|
|
/// necessary because the driver doesn't store the final version of the target
|
|
/// triple.
|
|
void Generic_GCC::GCCInstallationDetector::init(
|
|
const llvm::Triple &TargetTriple, const ArgList &Args,
|
|
ArrayRef<std::string> ExtraTripleAliases) {
|
|
llvm::Triple BiarchVariantTriple = TargetTriple.isArch32Bit()
|
|
? TargetTriple.get64BitArchVariant()
|
|
: TargetTriple.get32BitArchVariant();
|
|
// The library directories which may contain GCC installations.
|
|
SmallVector<StringRef, 4> CandidateLibDirs, CandidateBiarchLibDirs;
|
|
// The compatible GCC triples for this particular architecture.
|
|
SmallVector<StringRef, 16> CandidateTripleAliases;
|
|
SmallVector<StringRef, 16> CandidateBiarchTripleAliases;
|
|
CollectLibDirsAndTriples(TargetTriple, BiarchVariantTriple, CandidateLibDirs,
|
|
CandidateTripleAliases, CandidateBiarchLibDirs,
|
|
CandidateBiarchTripleAliases);
|
|
|
|
// Compute the set of prefixes for our search.
|
|
SmallVector<std::string, 8> Prefixes(D.PrefixDirs.begin(),
|
|
D.PrefixDirs.end());
|
|
|
|
StringRef GCCToolchainDir = getGCCToolchainDir(Args, D.SysRoot);
|
|
if (GCCToolchainDir != "") {
|
|
if (GCCToolchainDir.back() == '/')
|
|
GCCToolchainDir = GCCToolchainDir.drop_back(); // remove the /
|
|
|
|
Prefixes.push_back(GCCToolchainDir);
|
|
} else {
|
|
// If we have a SysRoot, try that first.
|
|
if (!D.SysRoot.empty()) {
|
|
Prefixes.push_back(D.SysRoot);
|
|
AddDefaultGCCPrefixes(TargetTriple, Prefixes, D.SysRoot);
|
|
}
|
|
|
|
// Then look for gcc installed alongside clang.
|
|
Prefixes.push_back(D.InstalledDir + "/..");
|
|
|
|
// Next, look for prefix(es) that correspond to distribution-supplied gcc
|
|
// installations.
|
|
if (D.SysRoot.empty()) {
|
|
// Typically /usr.
|
|
AddDefaultGCCPrefixes(TargetTriple, Prefixes, D.SysRoot);
|
|
}
|
|
}
|
|
|
|
// Try to respect gcc-config on Gentoo. However, do that only
|
|
// if --gcc-toolchain is not provided or equal to the Gentoo install
|
|
// in /usr. This avoids accidentally enforcing the system GCC version
|
|
// when using a custom toolchain.
|
|
if (GCCToolchainDir == "" || GCCToolchainDir == D.SysRoot + "/usr") {
|
|
SmallVector<StringRef, 16> GentooTestTriples;
|
|
// Try to match an exact triple as target triple first.
|
|
// e.g. crossdev -S x86_64-gentoo-linux-gnu will install gcc libs for
|
|
// x86_64-gentoo-linux-gnu. But "clang -target x86_64-gentoo-linux-gnu"
|
|
// may pick the libraries for x86_64-pc-linux-gnu even when exact matching
|
|
// triple x86_64-gentoo-linux-gnu is present.
|
|
GentooTestTriples.push_back(TargetTriple.str());
|
|
// Check rest of triples.
|
|
GentooTestTriples.append(ExtraTripleAliases.begin(),
|
|
ExtraTripleAliases.end());
|
|
GentooTestTriples.append(CandidateTripleAliases.begin(),
|
|
CandidateTripleAliases.end());
|
|
if (ScanGentooConfigs(TargetTriple, Args, GentooTestTriples,
|
|
CandidateBiarchTripleAliases))
|
|
return;
|
|
}
|
|
|
|
// Loop over the various components which exist and select the best GCC
|
|
// installation available. GCC installs are ranked by version number.
|
|
Version = GCCVersion::Parse("0.0.0");
|
|
for (const std::string &Prefix : Prefixes) {
|
|
if (!D.getVFS().exists(Prefix))
|
|
continue;
|
|
for (StringRef Suffix : CandidateLibDirs) {
|
|
const std::string LibDir = Prefix + Suffix.str();
|
|
if (!D.getVFS().exists(LibDir))
|
|
continue;
|
|
// Try to match the exact target triple first.
|
|
ScanLibDirForGCCTriple(TargetTriple, Args, LibDir, TargetTriple.str());
|
|
// Try rest of possible triples.
|
|
for (StringRef Candidate : ExtraTripleAliases) // Try these first.
|
|
ScanLibDirForGCCTriple(TargetTriple, Args, LibDir, Candidate);
|
|
for (StringRef Candidate : CandidateTripleAliases)
|
|
ScanLibDirForGCCTriple(TargetTriple, Args, LibDir, Candidate);
|
|
}
|
|
for (StringRef Suffix : CandidateBiarchLibDirs) {
|
|
const std::string LibDir = Prefix + Suffix.str();
|
|
if (!D.getVFS().exists(LibDir))
|
|
continue;
|
|
for (StringRef Candidate : CandidateBiarchTripleAliases)
|
|
ScanLibDirForGCCTriple(TargetTriple, Args, LibDir, Candidate,
|
|
/*NeedsBiarchSuffix=*/ true);
|
|
}
|
|
}
|
|
}
|
|
|
|
void Generic_GCC::GCCInstallationDetector::print(raw_ostream &OS) const {
|
|
for (const auto &InstallPath : CandidateGCCInstallPaths)
|
|
OS << "Found candidate GCC installation: " << InstallPath << "\n";
|
|
|
|
if (!GCCInstallPath.empty())
|
|
OS << "Selected GCC installation: " << GCCInstallPath << "\n";
|
|
|
|
for (const auto &Multilib : Multilibs)
|
|
OS << "Candidate multilib: " << Multilib << "\n";
|
|
|
|
if (Multilibs.size() != 0 || !SelectedMultilib.isDefault())
|
|
OS << "Selected multilib: " << SelectedMultilib << "\n";
|
|
}
|
|
|
|
bool Generic_GCC::GCCInstallationDetector::getBiarchSibling(Multilib &M) const {
|
|
if (BiarchSibling.hasValue()) {
|
|
M = BiarchSibling.getValue();
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
void Generic_GCC::GCCInstallationDetector::AddDefaultGCCPrefixes(
|
|
const llvm::Triple &TargetTriple, SmallVectorImpl<std::string> &Prefixes,
|
|
StringRef SysRoot) {
|
|
if (TargetTriple.getOS() == llvm::Triple::Solaris) {
|
|
// Solaris is a special case.
|
|
// The GCC installation is under
|
|
// /usr/gcc/<major>.<minor>/lib/gcc/<triple>/<major>.<minor>.<patch>/
|
|
// so we need to find those /usr/gcc/*/lib/gcc libdirs and go with
|
|
// /usr/gcc/<version> as a prefix.
|
|
|
|
std::string PrefixDir = SysRoot.str() + "/usr/gcc";
|
|
std::error_code EC;
|
|
for (llvm::vfs::directory_iterator LI = D.getVFS().dir_begin(PrefixDir, EC),
|
|
LE;
|
|
!EC && LI != LE; LI = LI.increment(EC)) {
|
|
StringRef VersionText = llvm::sys::path::filename(LI->path());
|
|
GCCVersion CandidateVersion = GCCVersion::Parse(VersionText);
|
|
|
|
// Filter out obviously bad entries.
|
|
if (CandidateVersion.Major == -1 || CandidateVersion.isOlderThan(4, 1, 1))
|
|
continue;
|
|
|
|
std::string CandidatePrefix = PrefixDir + "/" + VersionText.str();
|
|
std::string CandidateLibPath = CandidatePrefix + "/lib/gcc";
|
|
if (!D.getVFS().exists(CandidateLibPath))
|
|
continue;
|
|
|
|
Prefixes.push_back(CandidatePrefix);
|
|
}
|
|
return;
|
|
}
|
|
|
|
// Non-Solaris is much simpler - most systems just go with "/usr".
|
|
if (SysRoot.empty() && TargetTriple.getOS() == llvm::Triple::Linux) {
|
|
// Yet, still look for RHEL devtoolsets.
|
|
Prefixes.push_back("/opt/rh/devtoolset-8/root/usr");
|
|
Prefixes.push_back("/opt/rh/devtoolset-7/root/usr");
|
|
Prefixes.push_back("/opt/rh/devtoolset-6/root/usr");
|
|
Prefixes.push_back("/opt/rh/devtoolset-4/root/usr");
|
|
Prefixes.push_back("/opt/rh/devtoolset-3/root/usr");
|
|
Prefixes.push_back("/opt/rh/devtoolset-2/root/usr");
|
|
}
|
|
Prefixes.push_back(SysRoot.str() + "/usr");
|
|
}
|
|
|
|
/*static*/ void Generic_GCC::GCCInstallationDetector::CollectLibDirsAndTriples(
|
|
const llvm::Triple &TargetTriple, const llvm::Triple &BiarchTriple,
|
|
SmallVectorImpl<StringRef> &LibDirs,
|
|
SmallVectorImpl<StringRef> &TripleAliases,
|
|
SmallVectorImpl<StringRef> &BiarchLibDirs,
|
|
SmallVectorImpl<StringRef> &BiarchTripleAliases) {
|
|
// Declare a bunch of static data sets that we'll select between below. These
|
|
// are specifically designed to always refer to string literals to avoid any
|
|
// lifetime or initialization issues.
|
|
static const char *const AArch64LibDirs[] = {"/lib64", "/lib"};
|
|
static const char *const AArch64Triples[] = {
|
|
"aarch64-none-linux-gnu", "aarch64-linux-gnu", "aarch64-redhat-linux",
|
|
"aarch64-suse-linux", "aarch64-linux-android"};
|
|
static const char *const AArch64beLibDirs[] = {"/lib"};
|
|
static const char *const AArch64beTriples[] = {"aarch64_be-none-linux-gnu",
|
|
"aarch64_be-linux-gnu"};
|
|
|
|
static const char *const ARMLibDirs[] = {"/lib"};
|
|
static const char *const ARMTriples[] = {"arm-linux-gnueabi",
|
|
"arm-linux-androideabi"};
|
|
static const char *const ARMHFTriples[] = {"arm-linux-gnueabihf",
|
|
"armv7hl-redhat-linux-gnueabi",
|
|
"armv6hl-suse-linux-gnueabi",
|
|
"armv7hl-suse-linux-gnueabi"};
|
|
static const char *const ARMebLibDirs[] = {"/lib"};
|
|
static const char *const ARMebTriples[] = {"armeb-linux-gnueabi",
|
|
"armeb-linux-androideabi"};
|
|
static const char *const ARMebHFTriples[] = {
|
|
"armeb-linux-gnueabihf", "armebv7hl-redhat-linux-gnueabi"};
|
|
|
|
static const char *const AVRLibDirs[] = {"/lib"};
|
|
static const char *const AVRTriples[] = {"avr"};
|
|
|
|
static const char *const X86_64LibDirs[] = {"/lib64", "/lib"};
|
|
static const char *const X86_64Triples[] = {
|
|
"x86_64-linux-gnu", "x86_64-unknown-linux-gnu",
|
|
"x86_64-pc-linux-gnu", "x86_64-redhat-linux6E",
|
|
"x86_64-redhat-linux", "x86_64-suse-linux",
|
|
"x86_64-manbo-linux-gnu", "x86_64-linux-gnu",
|
|
"x86_64-slackware-linux", "x86_64-unknown-linux",
|
|
"x86_64-amazon-linux", "x86_64-linux-android"};
|
|
static const char *const X32LibDirs[] = {"/libx32"};
|
|
static const char *const X86LibDirs[] = {"/lib32", "/lib"};
|
|
static const char *const X86Triples[] = {
|
|
"i686-linux-gnu", "i686-pc-linux-gnu", "i486-linux-gnu",
|
|
"i386-linux-gnu", "i386-redhat-linux6E", "i686-redhat-linux",
|
|
"i586-redhat-linux", "i386-redhat-linux", "i586-suse-linux",
|
|
"i486-slackware-linux", "i686-montavista-linux", "i586-linux-gnu",
|
|
"i686-linux-android", "i386-gnu", "i486-gnu",
|
|
"i586-gnu", "i686-gnu"};
|
|
|
|
static const char *const MIPSLibDirs[] = {"/lib"};
|
|
static const char *const MIPSTriples[] = {
|
|
"mips-linux-gnu", "mips-mti-linux", "mips-mti-linux-gnu",
|
|
"mips-img-linux-gnu", "mipsisa32r6-linux-gnu"};
|
|
static const char *const MIPSELLibDirs[] = {"/lib"};
|
|
static const char *const MIPSELTriples[] = {
|
|
"mipsel-linux-gnu", "mips-img-linux-gnu", "mipsisa32r6el-linux-gnu",
|
|
"mipsel-linux-android"};
|
|
|
|
static const char *const MIPS64LibDirs[] = {"/lib64", "/lib"};
|
|
static const char *const MIPS64Triples[] = {
|
|
"mips64-linux-gnu", "mips-mti-linux-gnu",
|
|
"mips-img-linux-gnu", "mips64-linux-gnuabi64",
|
|
"mipsisa64r6-linux-gnu", "mipsisa64r6-linux-gnuabi64"};
|
|
static const char *const MIPS64ELLibDirs[] = {"/lib64", "/lib"};
|
|
static const char *const MIPS64ELTriples[] = {
|
|
"mips64el-linux-gnu", "mips-mti-linux-gnu",
|
|
"mips-img-linux-gnu", "mips64el-linux-gnuabi64",
|
|
"mipsisa64r6el-linux-gnu", "mipsisa64r6el-linux-gnuabi64",
|
|
"mips64el-linux-android"};
|
|
|
|
static const char *const MIPSN32LibDirs[] = {"/lib32"};
|
|
static const char *const MIPSN32Triples[] = {"mips64-linux-gnuabin32",
|
|
"mipsisa64r6-linux-gnuabin32"};
|
|
static const char *const MIPSN32ELLibDirs[] = {"/lib32"};
|
|
static const char *const MIPSN32ELTriples[] = {
|
|
"mips64el-linux-gnuabin32", "mipsisa64r6el-linux-gnuabin32"};
|
|
|
|
static const char *const MSP430LibDirs[] = {"/lib"};
|
|
static const char *const MSP430Triples[] = {"msp430-elf"};
|
|
|
|
static const char *const PPCLibDirs[] = {"/lib32", "/lib"};
|
|
static const char *const PPCTriples[] = {
|
|
"powerpc-linux-gnu", "powerpc-unknown-linux-gnu", "powerpc-linux-gnuspe",
|
|
"powerpc-suse-linux", "powerpc-montavista-linuxspe"};
|
|
static const char *const PPC64LibDirs[] = {"/lib64", "/lib"};
|
|
static const char *const PPC64Triples[] = {
|
|
"powerpc64-linux-gnu", "powerpc64-unknown-linux-gnu",
|
|
"powerpc64-suse-linux", "ppc64-redhat-linux"};
|
|
static const char *const PPC64LELibDirs[] = {"/lib64", "/lib"};
|
|
static const char *const PPC64LETriples[] = {
|
|
"powerpc64le-linux-gnu", "powerpc64le-unknown-linux-gnu",
|
|
"powerpc64le-suse-linux", "ppc64le-redhat-linux"};
|
|
|
|
static const char *const RISCV32LibDirs[] = {"/lib32", "/lib"};
|
|
static const char *const RISCV32Triples[] = {"riscv32-unknown-linux-gnu",
|
|
"riscv32-linux-gnu",
|
|
"riscv32-unknown-elf"};
|
|
static const char *const RISCV64LibDirs[] = {"/lib64", "/lib"};
|
|
static const char *const RISCV64Triples[] = {"riscv64-unknown-linux-gnu",
|
|
"riscv64-linux-gnu",
|
|
"riscv64-unknown-elf"};
|
|
|
|
static const char *const SPARCv8LibDirs[] = {"/lib32", "/lib"};
|
|
static const char *const SPARCv8Triples[] = {"sparc-linux-gnu",
|
|
"sparcv8-linux-gnu"};
|
|
static const char *const SPARCv9LibDirs[] = {"/lib64", "/lib"};
|
|
static const char *const SPARCv9Triples[] = {"sparc64-linux-gnu",
|
|
"sparcv9-linux-gnu"};
|
|
|
|
static const char *const SystemZLibDirs[] = {"/lib64", "/lib"};
|
|
static const char *const SystemZTriples[] = {
|
|
"s390x-linux-gnu", "s390x-unknown-linux-gnu", "s390x-ibm-linux-gnu",
|
|
"s390x-suse-linux", "s390x-redhat-linux"};
|
|
|
|
|
|
using std::begin;
|
|
using std::end;
|
|
|
|
if (TargetTriple.getOS() == llvm::Triple::Solaris) {
|
|
static const char *const SolarisLibDirs[] = {"/lib"};
|
|
static const char *const SolarisSparcV8Triples[] = {
|
|
"sparc-sun-solaris2.11", "sparc-sun-solaris2.12"};
|
|
static const char *const SolarisSparcV9Triples[] = {
|
|
"sparcv9-sun-solaris2.11", "sparcv9-sun-solaris2.12"};
|
|
static const char *const SolarisX86Triples[] = {"i386-pc-solaris2.11",
|
|
"i386-pc-solaris2.12"};
|
|
static const char *const SolarisX86_64Triples[] = {"x86_64-pc-solaris2.11",
|
|
"x86_64-pc-solaris2.12"};
|
|
LibDirs.append(begin(SolarisLibDirs), end(SolarisLibDirs));
|
|
BiarchLibDirs.append(begin(SolarisLibDirs), end(SolarisLibDirs));
|
|
switch (TargetTriple.getArch()) {
|
|
case llvm::Triple::x86:
|
|
TripleAliases.append(begin(SolarisX86Triples), end(SolarisX86Triples));
|
|
BiarchTripleAliases.append(begin(SolarisX86_64Triples),
|
|
end(SolarisX86_64Triples));
|
|
break;
|
|
case llvm::Triple::x86_64:
|
|
TripleAliases.append(begin(SolarisX86_64Triples),
|
|
end(SolarisX86_64Triples));
|
|
BiarchTripleAliases.append(begin(SolarisX86Triples),
|
|
end(SolarisX86Triples));
|
|
break;
|
|
case llvm::Triple::sparc:
|
|
TripleAliases.append(begin(SolarisSparcV8Triples),
|
|
end(SolarisSparcV8Triples));
|
|
BiarchTripleAliases.append(begin(SolarisSparcV9Triples),
|
|
end(SolarisSparcV9Triples));
|
|
break;
|
|
case llvm::Triple::sparcv9:
|
|
TripleAliases.append(begin(SolarisSparcV9Triples),
|
|
end(SolarisSparcV9Triples));
|
|
BiarchTripleAliases.append(begin(SolarisSparcV8Triples),
|
|
end(SolarisSparcV8Triples));
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
return;
|
|
}
|
|
|
|
// Android targets should not use GNU/Linux tools or libraries.
|
|
if (TargetTriple.isAndroid()) {
|
|
static const char *const AArch64AndroidTriples[] = {
|
|
"aarch64-linux-android"};
|
|
static const char *const ARMAndroidTriples[] = {"arm-linux-androideabi"};
|
|
static const char *const MIPSELAndroidTriples[] = {"mipsel-linux-android"};
|
|
static const char *const MIPS64ELAndroidTriples[] = {
|
|
"mips64el-linux-android"};
|
|
static const char *const X86AndroidTriples[] = {"i686-linux-android"};
|
|
static const char *const X86_64AndroidTriples[] = {"x86_64-linux-android"};
|
|
|
|
switch (TargetTriple.getArch()) {
|
|
case llvm::Triple::aarch64:
|
|
LibDirs.append(begin(AArch64LibDirs), end(AArch64LibDirs));
|
|
TripleAliases.append(begin(AArch64AndroidTriples),
|
|
end(AArch64AndroidTriples));
|
|
break;
|
|
case llvm::Triple::arm:
|
|
case llvm::Triple::thumb:
|
|
LibDirs.append(begin(ARMLibDirs), end(ARMLibDirs));
|
|
TripleAliases.append(begin(ARMAndroidTriples), end(ARMAndroidTriples));
|
|
break;
|
|
case llvm::Triple::mipsel:
|
|
LibDirs.append(begin(MIPSELLibDirs), end(MIPSELLibDirs));
|
|
TripleAliases.append(begin(MIPSELAndroidTriples),
|
|
end(MIPSELAndroidTriples));
|
|
BiarchLibDirs.append(begin(MIPS64ELLibDirs), end(MIPS64ELLibDirs));
|
|
BiarchTripleAliases.append(begin(MIPS64ELAndroidTriples),
|
|
end(MIPS64ELAndroidTriples));
|
|
break;
|
|
case llvm::Triple::mips64el:
|
|
LibDirs.append(begin(MIPS64ELLibDirs), end(MIPS64ELLibDirs));
|
|
TripleAliases.append(begin(MIPS64ELAndroidTriples),
|
|
end(MIPS64ELAndroidTriples));
|
|
BiarchLibDirs.append(begin(MIPSELLibDirs), end(MIPSELLibDirs));
|
|
BiarchTripleAliases.append(begin(MIPSELAndroidTriples),
|
|
end(MIPSELAndroidTriples));
|
|
break;
|
|
case llvm::Triple::x86_64:
|
|
LibDirs.append(begin(X86_64LibDirs), end(X86_64LibDirs));
|
|
TripleAliases.append(begin(X86_64AndroidTriples),
|
|
end(X86_64AndroidTriples));
|
|
BiarchLibDirs.append(begin(X86LibDirs), end(X86LibDirs));
|
|
BiarchTripleAliases.append(begin(X86AndroidTriples),
|
|
end(X86AndroidTriples));
|
|
break;
|
|
case llvm::Triple::x86:
|
|
LibDirs.append(begin(X86LibDirs), end(X86LibDirs));
|
|
TripleAliases.append(begin(X86AndroidTriples), end(X86AndroidTriples));
|
|
BiarchLibDirs.append(begin(X86_64LibDirs), end(X86_64LibDirs));
|
|
BiarchTripleAliases.append(begin(X86_64AndroidTriples),
|
|
end(X86_64AndroidTriples));
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
switch (TargetTriple.getArch()) {
|
|
case llvm::Triple::aarch64:
|
|
LibDirs.append(begin(AArch64LibDirs), end(AArch64LibDirs));
|
|
TripleAliases.append(begin(AArch64Triples), end(AArch64Triples));
|
|
BiarchLibDirs.append(begin(AArch64LibDirs), end(AArch64LibDirs));
|
|
BiarchTripleAliases.append(begin(AArch64Triples), end(AArch64Triples));
|
|
break;
|
|
case llvm::Triple::aarch64_be:
|
|
LibDirs.append(begin(AArch64beLibDirs), end(AArch64beLibDirs));
|
|
TripleAliases.append(begin(AArch64beTriples), end(AArch64beTriples));
|
|
BiarchLibDirs.append(begin(AArch64beLibDirs), end(AArch64beLibDirs));
|
|
BiarchTripleAliases.append(begin(AArch64beTriples), end(AArch64beTriples));
|
|
break;
|
|
case llvm::Triple::arm:
|
|
case llvm::Triple::thumb:
|
|
LibDirs.append(begin(ARMLibDirs), end(ARMLibDirs));
|
|
if (TargetTriple.getEnvironment() == llvm::Triple::GNUEABIHF) {
|
|
TripleAliases.append(begin(ARMHFTriples), end(ARMHFTriples));
|
|
} else {
|
|
TripleAliases.append(begin(ARMTriples), end(ARMTriples));
|
|
}
|
|
break;
|
|
case llvm::Triple::armeb:
|
|
case llvm::Triple::thumbeb:
|
|
LibDirs.append(begin(ARMebLibDirs), end(ARMebLibDirs));
|
|
if (TargetTriple.getEnvironment() == llvm::Triple::GNUEABIHF) {
|
|
TripleAliases.append(begin(ARMebHFTriples), end(ARMebHFTriples));
|
|
} else {
|
|
TripleAliases.append(begin(ARMebTriples), end(ARMebTriples));
|
|
}
|
|
break;
|
|
case llvm::Triple::avr:
|
|
LibDirs.append(begin(AVRLibDirs), end(AVRLibDirs));
|
|
TripleAliases.append(begin(AVRTriples), end(AVRTriples));
|
|
break;
|
|
case llvm::Triple::x86_64:
|
|
LibDirs.append(begin(X86_64LibDirs), end(X86_64LibDirs));
|
|
TripleAliases.append(begin(X86_64Triples), end(X86_64Triples));
|
|
// x32 is always available when x86_64 is available, so adding it as
|
|
// secondary arch with x86_64 triples
|
|
if (TargetTriple.getEnvironment() == llvm::Triple::GNUX32) {
|
|
BiarchLibDirs.append(begin(X32LibDirs), end(X32LibDirs));
|
|
BiarchTripleAliases.append(begin(X86_64Triples), end(X86_64Triples));
|
|
} else {
|
|
BiarchLibDirs.append(begin(X86LibDirs), end(X86LibDirs));
|
|
BiarchTripleAliases.append(begin(X86Triples), end(X86Triples));
|
|
}
|
|
break;
|
|
case llvm::Triple::x86:
|
|
LibDirs.append(begin(X86LibDirs), end(X86LibDirs));
|
|
// MCU toolchain is 32 bit only and its triple alias is TargetTriple
|
|
// itself, which will be appended below.
|
|
if (!TargetTriple.isOSIAMCU()) {
|
|
TripleAliases.append(begin(X86Triples), end(X86Triples));
|
|
BiarchLibDirs.append(begin(X86_64LibDirs), end(X86_64LibDirs));
|
|
BiarchTripleAliases.append(begin(X86_64Triples), end(X86_64Triples));
|
|
}
|
|
break;
|
|
case llvm::Triple::mips:
|
|
LibDirs.append(begin(MIPSLibDirs), end(MIPSLibDirs));
|
|
TripleAliases.append(begin(MIPSTriples), end(MIPSTriples));
|
|
BiarchLibDirs.append(begin(MIPS64LibDirs), end(MIPS64LibDirs));
|
|
BiarchTripleAliases.append(begin(MIPS64Triples), end(MIPS64Triples));
|
|
BiarchLibDirs.append(begin(MIPSN32LibDirs), end(MIPSN32LibDirs));
|
|
BiarchTripleAliases.append(begin(MIPSN32Triples), end(MIPSN32Triples));
|
|
break;
|
|
case llvm::Triple::mipsel:
|
|
LibDirs.append(begin(MIPSELLibDirs), end(MIPSELLibDirs));
|
|
TripleAliases.append(begin(MIPSELTriples), end(MIPSELTriples));
|
|
TripleAliases.append(begin(MIPSTriples), end(MIPSTriples));
|
|
BiarchLibDirs.append(begin(MIPS64ELLibDirs), end(MIPS64ELLibDirs));
|
|
BiarchTripleAliases.append(begin(MIPS64ELTriples), end(MIPS64ELTriples));
|
|
BiarchLibDirs.append(begin(MIPSN32ELLibDirs), end(MIPSN32ELLibDirs));
|
|
BiarchTripleAliases.append(begin(MIPSN32ELTriples), end(MIPSN32ELTriples));
|
|
break;
|
|
case llvm::Triple::mips64:
|
|
LibDirs.append(begin(MIPS64LibDirs), end(MIPS64LibDirs));
|
|
TripleAliases.append(begin(MIPS64Triples), end(MIPS64Triples));
|
|
BiarchLibDirs.append(begin(MIPSLibDirs), end(MIPSLibDirs));
|
|
BiarchTripleAliases.append(begin(MIPSTriples), end(MIPSTriples));
|
|
BiarchLibDirs.append(begin(MIPSN32LibDirs), end(MIPSN32LibDirs));
|
|
BiarchTripleAliases.append(begin(MIPSN32Triples), end(MIPSN32Triples));
|
|
break;
|
|
case llvm::Triple::mips64el:
|
|
LibDirs.append(begin(MIPS64ELLibDirs), end(MIPS64ELLibDirs));
|
|
TripleAliases.append(begin(MIPS64ELTriples), end(MIPS64ELTriples));
|
|
BiarchLibDirs.append(begin(MIPSELLibDirs), end(MIPSELLibDirs));
|
|
BiarchTripleAliases.append(begin(MIPSELTriples), end(MIPSELTriples));
|
|
BiarchLibDirs.append(begin(MIPSN32ELLibDirs), end(MIPSN32ELLibDirs));
|
|
BiarchTripleAliases.append(begin(MIPSN32ELTriples), end(MIPSN32ELTriples));
|
|
BiarchTripleAliases.append(begin(MIPSTriples), end(MIPSTriples));
|
|
break;
|
|
case llvm::Triple::msp430:
|
|
LibDirs.append(begin(MSP430LibDirs), end(MSP430LibDirs));
|
|
TripleAliases.append(begin(MSP430Triples), end(MSP430Triples));
|
|
break;
|
|
case llvm::Triple::ppc:
|
|
LibDirs.append(begin(PPCLibDirs), end(PPCLibDirs));
|
|
TripleAliases.append(begin(PPCTriples), end(PPCTriples));
|
|
BiarchLibDirs.append(begin(PPC64LibDirs), end(PPC64LibDirs));
|
|
BiarchTripleAliases.append(begin(PPC64Triples), end(PPC64Triples));
|
|
break;
|
|
case llvm::Triple::ppc64:
|
|
LibDirs.append(begin(PPC64LibDirs), end(PPC64LibDirs));
|
|
TripleAliases.append(begin(PPC64Triples), end(PPC64Triples));
|
|
BiarchLibDirs.append(begin(PPCLibDirs), end(PPCLibDirs));
|
|
BiarchTripleAliases.append(begin(PPCTriples), end(PPCTriples));
|
|
break;
|
|
case llvm::Triple::ppc64le:
|
|
LibDirs.append(begin(PPC64LELibDirs), end(PPC64LELibDirs));
|
|
TripleAliases.append(begin(PPC64LETriples), end(PPC64LETriples));
|
|
break;
|
|
case llvm::Triple::riscv32:
|
|
LibDirs.append(begin(RISCV32LibDirs), end(RISCV32LibDirs));
|
|
TripleAliases.append(begin(RISCV32Triples), end(RISCV32Triples));
|
|
BiarchLibDirs.append(begin(RISCV64LibDirs), end(RISCV64LibDirs));
|
|
BiarchTripleAliases.append(begin(RISCV64Triples), end(RISCV64Triples));
|
|
break;
|
|
case llvm::Triple::riscv64:
|
|
LibDirs.append(begin(RISCV64LibDirs), end(RISCV64LibDirs));
|
|
TripleAliases.append(begin(RISCV64Triples), end(RISCV64Triples));
|
|
BiarchLibDirs.append(begin(RISCV32LibDirs), end(RISCV32LibDirs));
|
|
BiarchTripleAliases.append(begin(RISCV32Triples), end(RISCV32Triples));
|
|
break;
|
|
case llvm::Triple::sparc:
|
|
case llvm::Triple::sparcel:
|
|
LibDirs.append(begin(SPARCv8LibDirs), end(SPARCv8LibDirs));
|
|
TripleAliases.append(begin(SPARCv8Triples), end(SPARCv8Triples));
|
|
BiarchLibDirs.append(begin(SPARCv9LibDirs), end(SPARCv9LibDirs));
|
|
BiarchTripleAliases.append(begin(SPARCv9Triples), end(SPARCv9Triples));
|
|
break;
|
|
case llvm::Triple::sparcv9:
|
|
LibDirs.append(begin(SPARCv9LibDirs), end(SPARCv9LibDirs));
|
|
TripleAliases.append(begin(SPARCv9Triples), end(SPARCv9Triples));
|
|
BiarchLibDirs.append(begin(SPARCv8LibDirs), end(SPARCv8LibDirs));
|
|
BiarchTripleAliases.append(begin(SPARCv8Triples), end(SPARCv8Triples));
|
|
break;
|
|
case llvm::Triple::systemz:
|
|
LibDirs.append(begin(SystemZLibDirs), end(SystemZLibDirs));
|
|
TripleAliases.append(begin(SystemZTriples), end(SystemZTriples));
|
|
break;
|
|
default:
|
|
// By default, just rely on the standard lib directories and the original
|
|
// triple.
|
|
break;
|
|
}
|
|
|
|
// Always append the drivers target triple to the end, in case it doesn't
|
|
// match any of our aliases.
|
|
TripleAliases.push_back(TargetTriple.str());
|
|
|
|
// Also include the multiarch variant if it's different.
|
|
if (TargetTriple.str() != BiarchTriple.str())
|
|
BiarchTripleAliases.push_back(BiarchTriple.str());
|
|
}
|
|
|
|
bool Generic_GCC::GCCInstallationDetector::ScanGCCForMultilibs(
|
|
const llvm::Triple &TargetTriple, const ArgList &Args,
|
|
StringRef Path, bool NeedsBiarchSuffix) {
|
|
llvm::Triple::ArchType TargetArch = TargetTriple.getArch();
|
|
DetectedMultilibs Detected;
|
|
|
|
// Android standalone toolchain could have multilibs for ARM and Thumb.
|
|
// Debian mips multilibs behave more like the rest of the biarch ones,
|
|
// so handle them there
|
|
if (isArmOrThumbArch(TargetArch) && TargetTriple.isAndroid()) {
|
|
// It should also work without multilibs in a simplified toolchain.
|
|
findAndroidArmMultilibs(D, TargetTriple, Path, Args, Detected);
|
|
} else if (TargetTriple.isMIPS()) {
|
|
if (!findMIPSMultilibs(D, TargetTriple, Path, Args, Detected))
|
|
return false;
|
|
} else if (isRISCV(TargetArch)) {
|
|
findRISCVMultilibs(D, TargetTriple, Path, Args, Detected);
|
|
} else if (isMSP430(TargetArch)) {
|
|
findMSP430Multilibs(D, TargetTriple, Path, Args, Detected);
|
|
} else if (TargetArch == llvm::Triple::avr) {
|
|
// AVR has no multilibs.
|
|
} else if (!findBiarchMultilibs(D, TargetTriple, Path, Args,
|
|
NeedsBiarchSuffix, Detected)) {
|
|
return false;
|
|
}
|
|
|
|
Multilibs = Detected.Multilibs;
|
|
SelectedMultilib = Detected.SelectedMultilib;
|
|
BiarchSibling = Detected.BiarchSibling;
|
|
|
|
return true;
|
|
}
|
|
|
|
void Generic_GCC::GCCInstallationDetector::ScanLibDirForGCCTriple(
|
|
const llvm::Triple &TargetTriple, const ArgList &Args,
|
|
const std::string &LibDir, StringRef CandidateTriple,
|
|
bool NeedsBiarchSuffix) {
|
|
llvm::Triple::ArchType TargetArch = TargetTriple.getArch();
|
|
// Locations relative to the system lib directory where GCC's triple-specific
|
|
// directories might reside.
|
|
struct GCCLibSuffix {
|
|
// Path from system lib directory to GCC triple-specific directory.
|
|
std::string LibSuffix;
|
|
// Path from GCC triple-specific directory back to system lib directory.
|
|
// This is one '..' component per component in LibSuffix.
|
|
StringRef ReversePath;
|
|
// Whether this library suffix is relevant for the triple.
|
|
bool Active;
|
|
} Suffixes[] = {
|
|
// This is the normal place.
|
|
{"gcc/" + CandidateTriple.str(), "../..", true},
|
|
|
|
// Debian puts cross-compilers in gcc-cross.
|
|
{"gcc-cross/" + CandidateTriple.str(), "../..",
|
|
TargetTriple.getOS() != llvm::Triple::Solaris},
|
|
|
|
// The Freescale PPC SDK has the gcc libraries in
|
|
// <sysroot>/usr/lib/<triple>/x.y.z so have a look there as well. Only do
|
|
// this on Freescale triples, though, since some systems put a *lot* of
|
|
// files in that location, not just GCC installation data.
|
|
{CandidateTriple.str(), "..",
|
|
TargetTriple.getVendor() == llvm::Triple::Freescale ||
|
|
TargetTriple.getVendor() == llvm::Triple::OpenEmbedded},
|
|
|
|
// Natively multiarch systems sometimes put the GCC triple-specific
|
|
// directory within their multiarch lib directory, resulting in the
|
|
// triple appearing twice.
|
|
{CandidateTriple.str() + "/gcc/" + CandidateTriple.str(), "../../..",
|
|
TargetTriple.getOS() != llvm::Triple::Solaris},
|
|
|
|
// Deal with cases (on Ubuntu) where the system architecture could be i386
|
|
// but the GCC target architecture could be (say) i686.
|
|
// FIXME: It may be worthwhile to generalize this and look for a second
|
|
// triple.
|
|
{"i386-linux-gnu/gcc/" + CandidateTriple.str(), "../../..",
|
|
(TargetArch == llvm::Triple::x86 &&
|
|
TargetTriple.getOS() != llvm::Triple::Solaris)},
|
|
{"i386-gnu/gcc/" + CandidateTriple.str(), "../../..",
|
|
(TargetArch == llvm::Triple::x86 &&
|
|
TargetTriple.getOS() != llvm::Triple::Solaris)}};
|
|
|
|
for (auto &Suffix : Suffixes) {
|
|
if (!Suffix.Active)
|
|
continue;
|
|
|
|
StringRef LibSuffix = Suffix.LibSuffix;
|
|
std::error_code EC;
|
|
for (llvm::vfs::directory_iterator
|
|
LI = D.getVFS().dir_begin(LibDir + "/" + LibSuffix, EC),
|
|
LE;
|
|
!EC && LI != LE; LI = LI.increment(EC)) {
|
|
StringRef VersionText = llvm::sys::path::filename(LI->path());
|
|
GCCVersion CandidateVersion = GCCVersion::Parse(VersionText);
|
|
if (CandidateVersion.Major != -1) // Filter obviously bad entries.
|
|
if (!CandidateGCCInstallPaths.insert(LI->path()).second)
|
|
continue; // Saw this path before; no need to look at it again.
|
|
if (CandidateVersion.isOlderThan(4, 1, 1))
|
|
continue;
|
|
if (CandidateVersion <= Version)
|
|
continue;
|
|
|
|
if (!ScanGCCForMultilibs(TargetTriple, Args, LI->path(),
|
|
NeedsBiarchSuffix))
|
|
continue;
|
|
|
|
Version = CandidateVersion;
|
|
GCCTriple.setTriple(CandidateTriple);
|
|
// FIXME: We hack together the directory name here instead of
|
|
// using LI to ensure stable path separators across Windows and
|
|
// Linux.
|
|
GCCInstallPath = (LibDir + "/" + LibSuffix + "/" + VersionText).str();
|
|
GCCParentLibPath = (GCCInstallPath + "/../" + Suffix.ReversePath).str();
|
|
IsValid = true;
|
|
}
|
|
}
|
|
}
|
|
|
|
bool Generic_GCC::GCCInstallationDetector::ScanGentooConfigs(
|
|
const llvm::Triple &TargetTriple, const ArgList &Args,
|
|
const SmallVectorImpl<StringRef> &CandidateTriples,
|
|
const SmallVectorImpl<StringRef> &CandidateBiarchTriples) {
|
|
for (StringRef CandidateTriple : CandidateTriples) {
|
|
if (ScanGentooGccConfig(TargetTriple, Args, CandidateTriple))
|
|
return true;
|
|
}
|
|
|
|
for (StringRef CandidateTriple : CandidateBiarchTriples) {
|
|
if (ScanGentooGccConfig(TargetTriple, Args, CandidateTriple, true))
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
bool Generic_GCC::GCCInstallationDetector::ScanGentooGccConfig(
|
|
const llvm::Triple &TargetTriple, const ArgList &Args,
|
|
StringRef CandidateTriple, bool NeedsBiarchSuffix) {
|
|
llvm::ErrorOr<std::unique_ptr<llvm::MemoryBuffer>> File =
|
|
D.getVFS().getBufferForFile(D.SysRoot + "/etc/env.d/gcc/config-" +
|
|
CandidateTriple.str());
|
|
if (File) {
|
|
SmallVector<StringRef, 2> Lines;
|
|
File.get()->getBuffer().split(Lines, "\n");
|
|
for (StringRef Line : Lines) {
|
|
Line = Line.trim();
|
|
// CURRENT=triple-version
|
|
if (!Line.consume_front("CURRENT="))
|
|
continue;
|
|
// Process the config file pointed to by CURRENT.
|
|
llvm::ErrorOr<std::unique_ptr<llvm::MemoryBuffer>> ConfigFile =
|
|
D.getVFS().getBufferForFile(D.SysRoot + "/etc/env.d/gcc/" +
|
|
Line.str());
|
|
std::pair<StringRef, StringRef> ActiveVersion = Line.rsplit('-');
|
|
// List of paths to scan for libraries.
|
|
SmallVector<StringRef, 4> GentooScanPaths;
|
|
// Scan the Config file to find installed GCC libraries path.
|
|
// Typical content of the GCC config file:
|
|
// LDPATH="/usr/lib/gcc/x86_64-pc-linux-gnu/4.9.x:/usr/lib/gcc/
|
|
// (continued from previous line) x86_64-pc-linux-gnu/4.9.x/32"
|
|
// MANPATH="/usr/share/gcc-data/x86_64-pc-linux-gnu/4.9.x/man"
|
|
// INFOPATH="/usr/share/gcc-data/x86_64-pc-linux-gnu/4.9.x/info"
|
|
// STDCXX_INCDIR="/usr/lib/gcc/x86_64-pc-linux-gnu/4.9.x/include/g++-v4"
|
|
// We are looking for the paths listed in LDPATH=... .
|
|
if (ConfigFile) {
|
|
SmallVector<StringRef, 2> ConfigLines;
|
|
ConfigFile.get()->getBuffer().split(ConfigLines, "\n");
|
|
for (StringRef ConfLine : ConfigLines) {
|
|
ConfLine = ConfLine.trim();
|
|
if (ConfLine.consume_front("LDPATH=")) {
|
|
// Drop '"' from front and back if present.
|
|
ConfLine.consume_back("\"");
|
|
ConfLine.consume_front("\"");
|
|
// Get all paths sperated by ':'
|
|
ConfLine.split(GentooScanPaths, ':', -1, /*AllowEmpty*/ false);
|
|
}
|
|
}
|
|
}
|
|
// Test the path based on the version in /etc/env.d/gcc/config-{tuple}.
|
|
std::string basePath = "/usr/lib/gcc/" + ActiveVersion.first.str() + "/"
|
|
+ ActiveVersion.second.str();
|
|
GentooScanPaths.push_back(StringRef(basePath));
|
|
|
|
// Scan all paths for GCC libraries.
|
|
for (const auto &GentooScanPath : GentooScanPaths) {
|
|
std::string GentooPath = D.SysRoot + std::string(GentooScanPath);
|
|
if (D.getVFS().exists(GentooPath + "/crtbegin.o")) {
|
|
if (!ScanGCCForMultilibs(TargetTriple, Args, GentooPath,
|
|
NeedsBiarchSuffix))
|
|
continue;
|
|
|
|
Version = GCCVersion::Parse(ActiveVersion.second);
|
|
GCCInstallPath = GentooPath;
|
|
GCCParentLibPath = GentooPath + std::string("/../../..");
|
|
GCCTriple.setTriple(ActiveVersion.first);
|
|
IsValid = true;
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
Generic_GCC::Generic_GCC(const Driver &D, const llvm::Triple &Triple,
|
|
const ArgList &Args)
|
|
: ToolChain(D, Triple, Args), GCCInstallation(D),
|
|
CudaInstallation(D, Triple, Args) {
|
|
getProgramPaths().push_back(getDriver().getInstalledDir());
|
|
if (getDriver().getInstalledDir() != getDriver().Dir)
|
|
getProgramPaths().push_back(getDriver().Dir);
|
|
}
|
|
|
|
Generic_GCC::~Generic_GCC() {}
|
|
|
|
Tool *Generic_GCC::getTool(Action::ActionClass AC) const {
|
|
switch (AC) {
|
|
case Action::PreprocessJobClass:
|
|
if (!Preprocess)
|
|
Preprocess.reset(new clang::driver::tools::gcc::Preprocessor(*this));
|
|
return Preprocess.get();
|
|
case Action::CompileJobClass:
|
|
if (!Compile)
|
|
Compile.reset(new tools::gcc::Compiler(*this));
|
|
return Compile.get();
|
|
default:
|
|
return ToolChain::getTool(AC);
|
|
}
|
|
}
|
|
|
|
Tool *Generic_GCC::buildAssembler() const {
|
|
return new tools::gnutools::Assembler(*this);
|
|
}
|
|
|
|
Tool *Generic_GCC::buildLinker() const { return new tools::gcc::Linker(*this); }
|
|
|
|
void Generic_GCC::printVerboseInfo(raw_ostream &OS) const {
|
|
// Print the information about how we detected the GCC installation.
|
|
GCCInstallation.print(OS);
|
|
CudaInstallation.print(OS);
|
|
}
|
|
|
|
bool Generic_GCC::IsUnwindTablesDefault(const ArgList &Args) const {
|
|
return getArch() == llvm::Triple::x86_64;
|
|
}
|
|
|
|
bool Generic_GCC::isPICDefault() const {
|
|
switch (getArch()) {
|
|
case llvm::Triple::x86_64:
|
|
return getTriple().isOSWindows();
|
|
case llvm::Triple::ppc64:
|
|
// Big endian PPC is PIC by default
|
|
return !getTriple().isOSBinFormatMachO() && !getTriple().isMacOSX();
|
|
case llvm::Triple::mips64:
|
|
case llvm::Triple::mips64el:
|
|
return true;
|
|
default:
|
|
return false;
|
|
}
|
|
}
|
|
|
|
bool Generic_GCC::isPIEDefault() const { return false; }
|
|
|
|
bool Generic_GCC::isPICDefaultForced() const {
|
|
return getArch() == llvm::Triple::x86_64 && getTriple().isOSWindows();
|
|
}
|
|
|
|
bool Generic_GCC::IsIntegratedAssemblerDefault() const {
|
|
switch (getTriple().getArch()) {
|
|
case llvm::Triple::x86:
|
|
case llvm::Triple::x86_64:
|
|
case llvm::Triple::aarch64:
|
|
case llvm::Triple::aarch64_be:
|
|
case llvm::Triple::arm:
|
|
case llvm::Triple::armeb:
|
|
case llvm::Triple::avr:
|
|
case llvm::Triple::bpfel:
|
|
case llvm::Triple::bpfeb:
|
|
case llvm::Triple::thumb:
|
|
case llvm::Triple::thumbeb:
|
|
case llvm::Triple::ppc:
|
|
case llvm::Triple::ppc64:
|
|
case llvm::Triple::ppc64le:
|
|
case llvm::Triple::riscv32:
|
|
case llvm::Triple::riscv64:
|
|
case llvm::Triple::systemz:
|
|
case llvm::Triple::mips:
|
|
case llvm::Triple::mipsel:
|
|
case llvm::Triple::mips64:
|
|
case llvm::Triple::mips64el:
|
|
case llvm::Triple::msp430:
|
|
return true;
|
|
case llvm::Triple::sparc:
|
|
case llvm::Triple::sparcel:
|
|
case llvm::Triple::sparcv9:
|
|
if (getTriple().isOSFreeBSD() || getTriple().isOSOpenBSD() ||
|
|
getTriple().isOSSolaris())
|
|
return true;
|
|
return false;
|
|
default:
|
|
return false;
|
|
}
|
|
}
|
|
|
|
void Generic_GCC::AddClangCXXStdlibIncludeArgs(const ArgList &DriverArgs,
|
|
ArgStringList &CC1Args) const {
|
|
if (DriverArgs.hasArg(options::OPT_nostdlibinc) ||
|
|
DriverArgs.hasArg(options::OPT_nostdincxx))
|
|
return;
|
|
|
|
switch (GetCXXStdlibType(DriverArgs)) {
|
|
case ToolChain::CST_Libcxx:
|
|
addLibCxxIncludePaths(DriverArgs, CC1Args);
|
|
break;
|
|
|
|
case ToolChain::CST_Libstdcxx:
|
|
addLibStdCxxIncludePaths(DriverArgs, CC1Args);
|
|
break;
|
|
}
|
|
}
|
|
|
|
void
|
|
Generic_GCC::addLibCxxIncludePaths(const llvm::opt::ArgList &DriverArgs,
|
|
llvm::opt::ArgStringList &CC1Args) const {
|
|
// FIXME: The Linux behavior would probaby be a better approach here.
|
|
addSystemInclude(DriverArgs, CC1Args,
|
|
getDriver().SysRoot + "/usr/include/c++/v1");
|
|
}
|
|
|
|
void
|
|
Generic_GCC::addLibStdCxxIncludePaths(const llvm::opt::ArgList &DriverArgs,
|
|
llvm::opt::ArgStringList &CC1Args) const {
|
|
// By default, we don't assume we know where libstdc++ might be installed.
|
|
// FIXME: If we have a valid GCCInstallation, use it.
|
|
}
|
|
|
|
/// Helper to add the variant paths of a libstdc++ installation.
|
|
bool Generic_GCC::addLibStdCXXIncludePaths(
|
|
Twine Base, Twine Suffix, StringRef GCCTriple, StringRef GCCMultiarchTriple,
|
|
StringRef TargetMultiarchTriple, Twine IncludeSuffix,
|
|
const ArgList &DriverArgs, ArgStringList &CC1Args) const {
|
|
if (!getVFS().exists(Base + Suffix))
|
|
return false;
|
|
|
|
addSystemInclude(DriverArgs, CC1Args, Base + Suffix);
|
|
|
|
// The vanilla GCC layout of libstdc++ headers uses a triple subdirectory. If
|
|
// that path exists or we have neither a GCC nor target multiarch triple, use
|
|
// this vanilla search path.
|
|
if ((GCCMultiarchTriple.empty() && TargetMultiarchTriple.empty()) ||
|
|
getVFS().exists(Base + Suffix + "/" + GCCTriple + IncludeSuffix)) {
|
|
addSystemInclude(DriverArgs, CC1Args,
|
|
Base + Suffix + "/" + GCCTriple + IncludeSuffix);
|
|
} else {
|
|
// Otherwise try to use multiarch naming schemes which have normalized the
|
|
// triples and put the triple before the suffix.
|
|
//
|
|
// GCC surprisingly uses *both* the GCC triple with a multilib suffix and
|
|
// the target triple, so we support that here.
|
|
addSystemInclude(DriverArgs, CC1Args,
|
|
Base + "/" + GCCMultiarchTriple + Suffix + IncludeSuffix);
|
|
addSystemInclude(DriverArgs, CC1Args,
|
|
Base + "/" + TargetMultiarchTriple + Suffix);
|
|
}
|
|
|
|
addSystemInclude(DriverArgs, CC1Args, Base + Suffix + "/backward");
|
|
return true;
|
|
}
|
|
|
|
llvm::opt::DerivedArgList *
|
|
Generic_GCC::TranslateArgs(const llvm::opt::DerivedArgList &Args, StringRef,
|
|
Action::OffloadKind DeviceOffloadKind) const {
|
|
|
|
// If this tool chain is used for an OpenMP offloading device we have to make
|
|
// sure we always generate a shared library regardless of the commands the
|
|
// user passed to the host. This is required because the runtime library
|
|
// is required to load the device image dynamically at run time.
|
|
if (DeviceOffloadKind == Action::OFK_OpenMP) {
|
|
DerivedArgList *DAL = new DerivedArgList(Args.getBaseArgs());
|
|
const OptTable &Opts = getDriver().getOpts();
|
|
|
|
// Request the shared library. Given that these options are decided
|
|
// implicitly, they do not refer to any base argument.
|
|
DAL->AddFlagArg(/*BaseArg=*/nullptr, Opts.getOption(options::OPT_shared));
|
|
DAL->AddFlagArg(/*BaseArg=*/nullptr, Opts.getOption(options::OPT_fPIC));
|
|
|
|
// Filter all the arguments we don't care passing to the offloading
|
|
// toolchain as they can mess up with the creation of a shared library.
|
|
for (auto *A : Args) {
|
|
switch ((options::ID)A->getOption().getID()) {
|
|
default:
|
|
DAL->append(A);
|
|
break;
|
|
case options::OPT_shared:
|
|
case options::OPT_dynamic:
|
|
case options::OPT_static:
|
|
case options::OPT_fPIC:
|
|
case options::OPT_fno_PIC:
|
|
case options::OPT_fpic:
|
|
case options::OPT_fno_pic:
|
|
case options::OPT_fPIE:
|
|
case options::OPT_fno_PIE:
|
|
case options::OPT_fpie:
|
|
case options::OPT_fno_pie:
|
|
break;
|
|
}
|
|
}
|
|
return DAL;
|
|
}
|
|
return nullptr;
|
|
}
|
|
|
|
void Generic_ELF::anchor() {}
|
|
|
|
void Generic_ELF::addClangTargetOptions(const ArgList &DriverArgs,
|
|
ArgStringList &CC1Args,
|
|
Action::OffloadKind) const {
|
|
const Generic_GCC::GCCVersion &V = GCCInstallation.getVersion();
|
|
bool UseInitArrayDefault =
|
|
getTriple().getArch() == llvm::Triple::aarch64 ||
|
|
getTriple().getArch() == llvm::Triple::aarch64_be ||
|
|
(getTriple().isOSFreeBSD() &&
|
|
getTriple().getOSMajorVersion() >= 12) ||
|
|
(getTriple().getOS() == llvm::Triple::Linux &&
|
|
((!GCCInstallation.isValid() || !V.isOlderThan(4, 7, 0)) ||
|
|
getTriple().isAndroid())) ||
|
|
getTriple().getOS() == llvm::Triple::NaCl ||
|
|
(getTriple().getVendor() == llvm::Triple::MipsTechnologies &&
|
|
!getTriple().hasEnvironment()) ||
|
|
getTriple().getOS() == llvm::Triple::Solaris ||
|
|
getTriple().getArch() == llvm::Triple::riscv32 ||
|
|
getTriple().getArch() == llvm::Triple::riscv64;
|
|
|
|
if (DriverArgs.hasFlag(options::OPT_fuse_init_array,
|
|
options::OPT_fno_use_init_array, UseInitArrayDefault))
|
|
CC1Args.push_back("-fuse-init-array");
|
|
}
|