578 lines
19 KiB
C++
578 lines
19 KiB
C++
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//===--- NetBSD.cpp - NetBSD 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 "NetBSD.h"
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#include "Arch/ARM.h"
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#include "Arch/Mips.h"
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#include "Arch/Sparc.h"
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#include "CommonArgs.h"
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#include "clang/Config/config.h"
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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/Options.h"
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#include "clang/Driver/SanitizerArgs.h"
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#include "llvm/Option/ArgList.h"
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#include "llvm/Support/VirtualFileSystem.h"
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using namespace clang::driver;
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using namespace clang::driver::tools;
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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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void netbsd::Assembler::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 auto &ToolChain = static_cast<const NetBSD &>(getToolChain());
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const Driver &D = ToolChain.getDriver();
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const llvm::Triple &Triple = ToolChain.getTriple();
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ArgStringList CmdArgs;
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claimNoWarnArgs(Args);
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// GNU as needs different flags for creating the correct output format
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// on architectures with different ABIs or optional feature sets.
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switch (ToolChain.getArch()) {
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case llvm::Triple::x86:
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CmdArgs.push_back("--32");
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break;
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case llvm::Triple::arm:
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case llvm::Triple::armeb:
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case llvm::Triple::thumb:
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case llvm::Triple::thumbeb: {
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StringRef MArch, MCPU;
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arm::getARMArchCPUFromArgs(Args, MArch, MCPU, /*FromAs*/ true);
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std::string Arch = arm::getARMTargetCPU(MCPU, MArch, Triple);
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CmdArgs.push_back(Args.MakeArgString("-mcpu=" + Arch));
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break;
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}
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case llvm::Triple::mips:
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case llvm::Triple::mipsel:
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case llvm::Triple::mips64:
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case llvm::Triple::mips64el: {
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StringRef CPUName;
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StringRef ABIName;
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mips::getMipsCPUAndABI(Args, Triple, CPUName, ABIName);
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CmdArgs.push_back("-march");
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CmdArgs.push_back(CPUName.data());
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CmdArgs.push_back("-mabi");
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CmdArgs.push_back(mips::getGnuCompatibleMipsABIName(ABIName).data());
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if (Triple.isLittleEndian())
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CmdArgs.push_back("-EL");
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else
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CmdArgs.push_back("-EB");
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AddAssemblerKPIC(ToolChain, Args, CmdArgs);
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break;
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}
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case llvm::Triple::sparc: {
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CmdArgs.push_back("-32");
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std::string CPU = getCPUName(D, Args, Triple);
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CmdArgs.push_back(sparc::getSparcAsmModeForCPU(CPU, Triple));
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AddAssemblerKPIC(ToolChain, Args, CmdArgs);
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break;
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}
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case llvm::Triple::sparcv9: {
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CmdArgs.push_back("-64");
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std::string CPU = getCPUName(D, Args, Triple);
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CmdArgs.push_back(sparc::getSparcAsmModeForCPU(CPU, Triple));
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AddAssemblerKPIC(ToolChain, Args, CmdArgs);
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break;
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}
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default:
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break;
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}
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Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA, options::OPT_Xassembler);
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CmdArgs.push_back("-o");
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CmdArgs.push_back(Output.getFilename());
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for (const auto &II : Inputs)
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CmdArgs.push_back(II.getFilename());
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const char *Exec = Args.MakeArgString((ToolChain.GetProgramPath("as")));
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C.addCommand(std::make_unique<Command>(JA, *this,
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ResponseFileSupport::AtFileCurCP(),
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Exec, CmdArgs, Inputs, Output));
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}
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void netbsd::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 auto &ToolChain = static_cast<const NetBSD &>(getToolChain());
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const Driver &D = ToolChain.getDriver();
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const llvm::Triple &Triple = ToolChain.getTriple();
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const llvm::Triple::ArchType Arch = ToolChain.getArch();
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const bool Static = Args.hasArg(options::OPT_static);
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const bool Shared = Args.hasArg(options::OPT_shared);
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const bool Pie = Args.hasArg(options::OPT_pie);
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ArgStringList CmdArgs;
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if (!D.SysRoot.empty())
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CmdArgs.push_back(Args.MakeArgString("--sysroot=" + D.SysRoot));
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CmdArgs.push_back("--eh-frame-hdr");
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if (Static) {
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CmdArgs.push_back("-Bstatic");
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if (Pie) {
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Args.AddAllArgs(CmdArgs, options::OPT_pie);
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CmdArgs.push_back("--no-dynamic-linker");
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}
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} else {
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if (Args.hasArg(options::OPT_rdynamic))
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CmdArgs.push_back("-export-dynamic");
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if (Shared) {
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CmdArgs.push_back("-shared");
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} else if (!Args.hasArg(options::OPT_r)) {
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Args.AddAllArgs(CmdArgs, options::OPT_pie);
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CmdArgs.push_back("-dynamic-linker");
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CmdArgs.push_back("/libexec/ld.elf_so");
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}
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}
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// Many NetBSD architectures support more than one ABI.
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// Determine the correct emulation for ld.
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switch (Arch) {
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case llvm::Triple::x86:
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CmdArgs.push_back("-m");
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CmdArgs.push_back("elf_i386");
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break;
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case llvm::Triple::arm:
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case llvm::Triple::thumb:
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CmdArgs.push_back("-m");
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switch (Triple.getEnvironment()) {
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case llvm::Triple::EABI:
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case llvm::Triple::GNUEABI:
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CmdArgs.push_back("armelf_nbsd_eabi");
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break;
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case llvm::Triple::EABIHF:
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case llvm::Triple::GNUEABIHF:
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CmdArgs.push_back("armelf_nbsd_eabihf");
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break;
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default:
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CmdArgs.push_back("armelf_nbsd");
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break;
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}
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break;
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case llvm::Triple::armeb:
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case llvm::Triple::thumbeb:
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arm::appendBE8LinkFlag(Args, CmdArgs, ToolChain.getEffectiveTriple());
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CmdArgs.push_back("-m");
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switch (Triple.getEnvironment()) {
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case llvm::Triple::EABI:
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case llvm::Triple::GNUEABI:
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CmdArgs.push_back("armelfb_nbsd_eabi");
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break;
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case llvm::Triple::EABIHF:
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case llvm::Triple::GNUEABIHF:
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CmdArgs.push_back("armelfb_nbsd_eabihf");
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break;
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default:
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CmdArgs.push_back("armelfb_nbsd");
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break;
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}
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break;
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case llvm::Triple::mips64:
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case llvm::Triple::mips64el:
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if (mips::hasMipsAbiArg(Args, "32")) {
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CmdArgs.push_back("-m");
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if (Arch == llvm::Triple::mips64)
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CmdArgs.push_back("elf32btsmip");
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else
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CmdArgs.push_back("elf32ltsmip");
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} else if (mips::hasMipsAbiArg(Args, "64")) {
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CmdArgs.push_back("-m");
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if (Arch == llvm::Triple::mips64)
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CmdArgs.push_back("elf64btsmip");
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else
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CmdArgs.push_back("elf64ltsmip");
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}
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break;
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case llvm::Triple::ppc:
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CmdArgs.push_back("-m");
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CmdArgs.push_back("elf32ppc_nbsd");
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break;
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case llvm::Triple::ppc64:
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case llvm::Triple::ppc64le:
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CmdArgs.push_back("-m");
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CmdArgs.push_back("elf64ppc");
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break;
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case llvm::Triple::riscv32:
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CmdArgs.push_back("-m");
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CmdArgs.push_back("elf32lriscv");
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break;
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case llvm::Triple::riscv64:
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CmdArgs.push_back("-m");
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CmdArgs.push_back("elf64lriscv");
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break;
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case llvm::Triple::sparc:
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CmdArgs.push_back("-m");
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CmdArgs.push_back("elf32_sparc");
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break;
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case llvm::Triple::sparcv9:
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CmdArgs.push_back("-m");
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CmdArgs.push_back("elf64_sparc");
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break;
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default:
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break;
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}
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if (Triple.isRISCV())
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CmdArgs.push_back("-X");
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assert((Output.isFilename() || Output.isNothing()) && "Invalid output.");
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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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}
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if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nostartfiles,
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options::OPT_r)) {
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const char *crt0 = nullptr;
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const char *crtbegin = nullptr;
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if (!Shared)
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crt0 = "crt0.o";
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if (Shared || Pie)
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crtbegin = "crtbeginS.o";
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else
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crtbegin = "crtbegin.o";
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if (crt0)
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CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath(crt0)));
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CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("crti.o")));
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CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath(crtbegin)));
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}
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Args.addAllArgs(CmdArgs, {options::OPT_L, options::OPT_T_Group,
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options::OPT_s, options::OPT_t, options::OPT_r});
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ToolChain.AddFilePathLibArgs(Args, CmdArgs);
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bool NeedsSanitizerDeps = addSanitizerRuntimes(ToolChain, Args, CmdArgs);
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bool NeedsXRayDeps = addXRayRuntime(ToolChain, Args, CmdArgs);
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AddLinkerInputs(ToolChain, Inputs, Args, CmdArgs, JA);
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const SanitizerArgs &SanArgs = ToolChain.getSanitizerArgs(Args);
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if (SanArgs.needsSharedRt()) {
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CmdArgs.push_back("-rpath");
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CmdArgs.push_back(Args.MakeArgString(ToolChain.getCompilerRTPath()));
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}
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bool useLibgcc = true;
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switch (ToolChain.getArch()) {
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case llvm::Triple::aarch64:
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case llvm::Triple::aarch64_be:
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case llvm::Triple::arm:
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case llvm::Triple::armeb:
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case llvm::Triple::thumb:
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case llvm::Triple::thumbeb:
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case llvm::Triple::ppc:
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case llvm::Triple::ppc64:
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case llvm::Triple::ppc64le:
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case llvm::Triple::riscv32:
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case llvm::Triple::riscv64:
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case llvm::Triple::sparc:
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case llvm::Triple::sparcv9:
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case llvm::Triple::x86:
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case llvm::Triple::x86_64:
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useLibgcc = false;
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break;
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default:
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break;
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}
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if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nodefaultlibs,
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options::OPT_r)) {
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// Use the static OpenMP runtime with -static-openmp
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bool StaticOpenMP = Args.hasArg(options::OPT_static_openmp) && !Static;
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addOpenMPRuntime(CmdArgs, ToolChain, Args, StaticOpenMP);
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if (D.CCCIsCXX()) {
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if (ToolChain.ShouldLinkCXXStdlib(Args))
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ToolChain.AddCXXStdlibLibArgs(Args, CmdArgs);
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CmdArgs.push_back("-lm");
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}
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// Silence warnings when linking C code with a C++ '-stdlib' argument.
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Args.ClaimAllArgs(options::OPT_stdlib_EQ);
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// Additional linker set-up and flags for Fortran. This is required in order
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// to generate executables. As Fortran runtime depends on the C runtime,
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// these dependencies need to be listed before the C runtime below (i.e.
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// AddRunTimeLibs).
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if (D.IsFlangMode()) {
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addFortranRuntimeLibraryPath(ToolChain, Args, CmdArgs);
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addFortranRuntimeLibs(ToolChain, Args, CmdArgs);
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CmdArgs.push_back("-lm");
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}
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if (NeedsSanitizerDeps)
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linkSanitizerRuntimeDeps(ToolChain, Args, CmdArgs);
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if (NeedsXRayDeps)
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linkXRayRuntimeDeps(ToolChain, Args, CmdArgs);
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if (Args.hasArg(options::OPT_pthread))
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CmdArgs.push_back("-lpthread");
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CmdArgs.push_back("-lc");
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if (useLibgcc) {
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if (Static) {
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// libgcc_eh depends on libc, so resolve as much as possible,
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// pull in any new requirements from libc and then get the rest
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// of libgcc.
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CmdArgs.push_back("-lgcc_eh");
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CmdArgs.push_back("-lc");
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CmdArgs.push_back("-lgcc");
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} else {
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CmdArgs.push_back("-lgcc");
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CmdArgs.push_back("--as-needed");
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CmdArgs.push_back("-lgcc_s");
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CmdArgs.push_back("--no-as-needed");
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|
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}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nostartfiles,
|
||
|
|
options::OPT_r)) {
|
||
|
|
const char *crtend = nullptr;
|
||
|
|
if (Shared || Pie)
|
||
|
|
crtend = "crtendS.o";
|
||
|
|
else
|
||
|
|
crtend = "crtend.o";
|
||
|
|
|
||
|
|
CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath(crtend)));
|
||
|
|
CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("crtn.o")));
|
||
|
|
}
|
||
|
|
|
||
|
|
ToolChain.addProfileRTLibs(Args, CmdArgs);
|
||
|
|
|
||
|
|
const char *Exec = Args.MakeArgString(ToolChain.GetLinkerPath());
|
||
|
|
C.addCommand(std::make_unique<Command>(JA, *this,
|
||
|
|
ResponseFileSupport::AtFileCurCP(),
|
||
|
|
Exec, CmdArgs, Inputs, Output));
|
||
|
|
}
|
||
|
|
|
||
|
|
/// NetBSD - NetBSD tool chain which can call as(1) and ld(1) directly.
|
||
|
|
|
||
|
|
NetBSD::NetBSD(const Driver &D, const llvm::Triple &Triple, const ArgList &Args)
|
||
|
|
: Generic_ELF(D, Triple, Args) {
|
||
|
|
if (!Args.hasArg(options::OPT_nostdlib)) {
|
||
|
|
// When targeting a 32-bit platform, try the special directory used on
|
||
|
|
// 64-bit hosts, and only fall back to the main library directory if that
|
||
|
|
// doesn't work.
|
||
|
|
// FIXME: It'd be nicer to test if this directory exists, but I'm not sure
|
||
|
|
// what all logic is needed to emulate the '=' prefix here.
|
||
|
|
switch (Triple.getArch()) {
|
||
|
|
case llvm::Triple::x86:
|
||
|
|
getFilePaths().push_back(concat(getDriver().SysRoot, "/usr/lib/i386"));
|
||
|
|
break;
|
||
|
|
case llvm::Triple::arm:
|
||
|
|
case llvm::Triple::armeb:
|
||
|
|
case llvm::Triple::thumb:
|
||
|
|
case llvm::Triple::thumbeb:
|
||
|
|
switch (Triple.getEnvironment()) {
|
||
|
|
case llvm::Triple::EABI:
|
||
|
|
case llvm::Triple::GNUEABI:
|
||
|
|
getFilePaths().push_back(concat(getDriver().SysRoot, "/usr/lib/eabi"));
|
||
|
|
break;
|
||
|
|
case llvm::Triple::EABIHF:
|
||
|
|
case llvm::Triple::GNUEABIHF:
|
||
|
|
getFilePaths().push_back(concat(getDriver().SysRoot, "/usr/lib/eabihf"));
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
getFilePaths().push_back(concat(getDriver().SysRoot, "/usr/lib/oabi"));
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case llvm::Triple::mips64:
|
||
|
|
case llvm::Triple::mips64el:
|
||
|
|
if (tools::mips::hasMipsAbiArg(Args, "o32"))
|
||
|
|
getFilePaths().push_back(concat(getDriver().SysRoot, "/usr/lib/o32"));
|
||
|
|
else if (tools::mips::hasMipsAbiArg(Args, "64"))
|
||
|
|
getFilePaths().push_back(concat(getDriver().SysRoot, "/usr/lib/64"));
|
||
|
|
break;
|
||
|
|
case llvm::Triple::ppc:
|
||
|
|
getFilePaths().push_back(concat(getDriver().SysRoot, "/usr/lib/powerpc"));
|
||
|
|
break;
|
||
|
|
case llvm::Triple::sparc:
|
||
|
|
getFilePaths().push_back(concat(getDriver().SysRoot, "/usr/lib/sparc"));
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
getFilePaths().push_back(concat(getDriver().SysRoot, "/usr/lib"));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
Tool *NetBSD::buildAssembler() const {
|
||
|
|
return new tools::netbsd::Assembler(*this);
|
||
|
|
}
|
||
|
|
|
||
|
|
Tool *NetBSD::buildLinker() const { return new tools::netbsd::Linker(*this); }
|
||
|
|
|
||
|
|
ToolChain::CXXStdlibType NetBSD::GetDefaultCXXStdlibType() const {
|
||
|
|
switch (getArch()) {
|
||
|
|
case llvm::Triple::aarch64:
|
||
|
|
case llvm::Triple::aarch64_be:
|
||
|
|
case llvm::Triple::arm:
|
||
|
|
case llvm::Triple::armeb:
|
||
|
|
case llvm::Triple::thumb:
|
||
|
|
case llvm::Triple::thumbeb:
|
||
|
|
case llvm::Triple::ppc:
|
||
|
|
case llvm::Triple::ppc64:
|
||
|
|
case llvm::Triple::ppc64le:
|
||
|
|
case llvm::Triple::riscv32:
|
||
|
|
case llvm::Triple::riscv64:
|
||
|
|
case llvm::Triple::sparc:
|
||
|
|
case llvm::Triple::sparcv9:
|
||
|
|
case llvm::Triple::x86:
|
||
|
|
case llvm::Triple::x86_64:
|
||
|
|
return ToolChain::CST_Libcxx;
|
||
|
|
default:
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
return ToolChain::CST_Libstdcxx;
|
||
|
|
}
|
||
|
|
|
||
|
|
void NetBSD::AddClangSystemIncludeArgs(
|
||
|
|
const llvm::opt::ArgList &DriverArgs,
|
||
|
|
llvm::opt::ArgStringList &CC1Args) const {
|
||
|
|
const Driver &D = getDriver();
|
||
|
|
|
||
|
|
if (DriverArgs.hasArg(clang::driver::options::OPT_nostdinc))
|
||
|
|
return;
|
||
|
|
|
||
|
|
if (!DriverArgs.hasArg(options::OPT_nobuiltininc)) {
|
||
|
|
SmallString<128> Dir(D.ResourceDir);
|
||
|
|
llvm::sys::path::append(Dir, "include");
|
||
|
|
addSystemInclude(DriverArgs, CC1Args, Dir.str());
|
||
|
|
}
|
||
|
|
|
||
|
|
if (DriverArgs.hasArg(options::OPT_nostdlibinc))
|
||
|
|
return;
|
||
|
|
|
||
|
|
// Check for configure-time C include directories.
|
||
|
|
StringRef CIncludeDirs(C_INCLUDE_DIRS);
|
||
|
|
if (CIncludeDirs != "") {
|
||
|
|
SmallVector<StringRef, 5> dirs;
|
||
|
|
CIncludeDirs.split(dirs, ":");
|
||
|
|
for (StringRef dir : dirs) {
|
||
|
|
StringRef Prefix =
|
||
|
|
llvm::sys::path::is_absolute(dir) ? StringRef(D.SysRoot) : "";
|
||
|
|
addExternCSystemInclude(DriverArgs, CC1Args, Prefix + dir);
|
||
|
|
}
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
addExternCSystemInclude(DriverArgs, CC1Args,
|
||
|
|
concat(D.SysRoot, "/usr/include"));
|
||
|
|
}
|
||
|
|
|
||
|
|
void NetBSD::addLibCxxIncludePaths(const llvm::opt::ArgList &DriverArgs,
|
||
|
|
llvm::opt::ArgStringList &CC1Args) const {
|
||
|
|
const std::string Candidates[] = {
|
||
|
|
// directory relative to build tree
|
||
|
|
concat(getDriver().Dir, "/../include/c++/v1"),
|
||
|
|
// system install with full upstream path
|
||
|
|
concat(getDriver().SysRoot, "/usr/include/c++/v1"),
|
||
|
|
// system install from src
|
||
|
|
concat(getDriver().SysRoot, "/usr/include/c++"),
|
||
|
|
};
|
||
|
|
|
||
|
|
for (const auto &IncludePath : Candidates) {
|
||
|
|
if (!getVFS().exists(IncludePath + "/__config"))
|
||
|
|
continue;
|
||
|
|
|
||
|
|
// Use the first candidate that looks valid.
|
||
|
|
addSystemInclude(DriverArgs, CC1Args, IncludePath);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void NetBSD::addLibStdCxxIncludePaths(const llvm::opt::ArgList &DriverArgs,
|
||
|
|
llvm::opt::ArgStringList &CC1Args) const {
|
||
|
|
addLibStdCXXIncludePaths(concat(getDriver().SysRoot, "/usr/include/g++"), "", "",
|
||
|
|
DriverArgs, CC1Args);
|
||
|
|
}
|
||
|
|
|
||
|
|
llvm::ExceptionHandling NetBSD::GetExceptionModel(const ArgList &Args) const {
|
||
|
|
// NetBSD uses Dwarf exceptions on ARM.
|
||
|
|
llvm::Triple::ArchType TArch = getTriple().getArch();
|
||
|
|
if (TArch == llvm::Triple::arm || TArch == llvm::Triple::armeb ||
|
||
|
|
TArch == llvm::Triple::thumb || TArch == llvm::Triple::thumbeb)
|
||
|
|
return llvm::ExceptionHandling::DwarfCFI;
|
||
|
|
return llvm::ExceptionHandling::None;
|
||
|
|
}
|
||
|
|
|
||
|
|
SanitizerMask NetBSD::getSupportedSanitizers() const {
|
||
|
|
const bool IsX86 = getTriple().getArch() == llvm::Triple::x86;
|
||
|
|
const bool IsX86_64 = getTriple().getArch() == llvm::Triple::x86_64;
|
||
|
|
SanitizerMask Res = ToolChain::getSupportedSanitizers();
|
||
|
|
if (IsX86 || IsX86_64) {
|
||
|
|
Res |= SanitizerKind::Address;
|
||
|
|
Res |= SanitizerKind::PointerCompare;
|
||
|
|
Res |= SanitizerKind::PointerSubtract;
|
||
|
|
Res |= SanitizerKind::Leak;
|
||
|
|
Res |= SanitizerKind::SafeStack;
|
||
|
|
Res |= SanitizerKind::Scudo;
|
||
|
|
Res |= SanitizerKind::Vptr;
|
||
|
|
}
|
||
|
|
if (IsX86_64) {
|
||
|
|
Res |= SanitizerKind::DataFlow;
|
||
|
|
Res |= SanitizerKind::Fuzzer;
|
||
|
|
Res |= SanitizerKind::FuzzerNoLink;
|
||
|
|
Res |= SanitizerKind::HWAddress;
|
||
|
|
Res |= SanitizerKind::KernelAddress;
|
||
|
|
Res |= SanitizerKind::KernelHWAddress;
|
||
|
|
Res |= SanitizerKind::KernelMemory;
|
||
|
|
Res |= SanitizerKind::Memory;
|
||
|
|
Res |= SanitizerKind::Thread;
|
||
|
|
}
|
||
|
|
return Res;
|
||
|
|
}
|
||
|
|
|
||
|
|
void NetBSD::addClangTargetOptions(const ArgList &DriverArgs,
|
||
|
|
ArgStringList &CC1Args,
|
||
|
|
Action::OffloadKind) const {
|
||
|
|
const SanitizerArgs &SanArgs = getSanitizerArgs(DriverArgs);
|
||
|
|
if (SanArgs.hasAnySanitizer())
|
||
|
|
CC1Args.push_back("-D_REENTRANT");
|
||
|
|
|
||
|
|
VersionTuple OsVersion = getTriple().getOSVersion();
|
||
|
|
bool UseInitArrayDefault =
|
||
|
|
OsVersion >= VersionTuple(9) || OsVersion.getMajor() == 0 ||
|
||
|
|
getTriple().getArch() == llvm::Triple::aarch64 ||
|
||
|
|
getTriple().getArch() == llvm::Triple::aarch64_be ||
|
||
|
|
getTriple().getArch() == llvm::Triple::arm ||
|
||
|
|
getTriple().getArch() == llvm::Triple::armeb ||
|
||
|
|
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("-fno-use-init-array");
|
||
|
|
}
|