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AIX.cpp
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AIX.h
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AMDGPU.cpp
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AMDGPU.h
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AVR.cpp
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AVR.h
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Ananas.cpp
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Ananas.h
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Arch
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BareMetal.cpp
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BareMetal.h
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Clang.cpp
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Clang.h
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CloudABI.cpp
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CloudABI.h
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CommonArgs.cpp
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CommonArgs.h
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Contiki.cpp
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Contiki.h
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CrossWindows.cpp
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CrossWindows.h
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Cuda.cpp
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Cuda.h
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Darwin.cpp
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Darwin.h
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DragonFly.cpp
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DragonFly.h
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Flang.cpp
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Flang.h
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FreeBSD.cpp
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FreeBSD.h
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Fuchsia.cpp
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Fuchsia.h
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Gnu.cpp
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Gnu.h
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HIP.cpp
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HIP.h
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Haiku.cpp
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Haiku.h
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Hexagon.cpp
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Hexagon.h
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Hurd.cpp
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Hurd.h
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InterfaceStubs.cpp
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InterfaceStubs.h
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Lanai.h
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Linux.cpp
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Linux.h
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MSP430.cpp
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MSP430.h
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MSVC.cpp
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MSVC.h
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MSVCSetupApi.h
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MinGW.cpp
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MinGW.h
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Minix.cpp
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Minix.h
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MipsLinux.cpp
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MipsLinux.h
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Myriad.cpp
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Myriad.h
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NaCl.cpp
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NaCl.h
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NetBSD.cpp
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NetBSD.h
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OpenBSD.cpp
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OpenBSD.h
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PPCLinux.cpp
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PPCLinux.h
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PS4CPU.cpp
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PS4CPU.h
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RISCVToolchain.cpp
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RISCVToolchain.h
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ROCm.h
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Solaris.cpp
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Solaris.h
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TCE.cpp
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TCE.h
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VEToolchain.cpp
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VEToolchain.h
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WebAssembly.cpp
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WebAssembly.h
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XCore.cpp
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XCore.h
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Editing: CrossWindows.cpp
//===-- CrossWindows.cpp - Cross Windows Tool Chain -----------------------===// // // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. // See https://llvm.org/LICENSE.txt for license information. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception // //===----------------------------------------------------------------------===// #include "CrossWindows.h" #include "CommonArgs.h" #include "clang/Driver/Compilation.h" #include "clang/Driver/Driver.h" #include "clang/Driver/Options.h" #include "clang/Driver/SanitizerArgs.h" #include "llvm/Option/ArgList.h" #include "llvm/Support/Path.h" using namespace clang::driver; using namespace clang::driver::toolchains; using llvm::opt::ArgList; using llvm::opt::ArgStringList; void tools::CrossWindows::Assembler::ConstructJob( Compilation &C, const JobAction &JA, const InputInfo &Output, const InputInfoList &Inputs, const ArgList &Args, const char *LinkingOutput) const { claimNoWarnArgs(Args); const auto &TC = static_cast<const toolchains::CrossWindowsToolChain &>(getToolChain()); ArgStringList CmdArgs; const char *Exec; switch (TC.getArch()) { default: llvm_unreachable("unsupported architecture"); case llvm::Triple::arm: case llvm::Triple::thumb: case llvm::Triple::aarch64: break; case llvm::Triple::x86: CmdArgs.push_back("--32"); break; case llvm::Triple::x86_64: CmdArgs.push_back("--64"); break; } Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA, options::OPT_Xassembler); CmdArgs.push_back("-o"); CmdArgs.push_back(Output.getFilename()); for (const auto &Input : Inputs) CmdArgs.push_back(Input.getFilename()); const std::string Assembler = TC.GetProgramPath("as"); Exec = Args.MakeArgString(Assembler); C.addCommand(std::make_unique<Command>(JA, *this, ResponseFileSupport::None(), Exec, CmdArgs, Inputs)); } void tools::CrossWindows::Linker::ConstructJob( Compilation &C, const JobAction &JA, const InputInfo &Output, const InputInfoList &Inputs, const ArgList &Args, const char *LinkingOutput) const { const auto &TC = static_cast<const toolchains::CrossWindowsToolChain &>(getToolChain()); const llvm::Triple &T = TC.getTriple(); const Driver &D = TC.getDriver(); SmallString<128> EntryPoint; ArgStringList CmdArgs; const char *Exec; // Silence warning for "clang -g foo.o -o foo" Args.ClaimAllArgs(options::OPT_g_Group); // and "clang -emit-llvm foo.o -o foo" Args.ClaimAllArgs(options::OPT_emit_llvm); // and for "clang -w foo.o -o foo" Args.ClaimAllArgs(options::OPT_w); // Other warning options are already handled somewhere else. if (!D.SysRoot.empty()) CmdArgs.push_back(Args.MakeArgString("--sysroot=" + D.SysRoot)); if (Args.hasArg(options::OPT_pie)) CmdArgs.push_back("-pie"); if (Args.hasArg(options::OPT_rdynamic)) CmdArgs.push_back("-export-dynamic"); if (Args.hasArg(options::OPT_s)) CmdArgs.push_back("--strip-all"); CmdArgs.push_back("-m"); switch (TC.getArch()) { default: llvm_unreachable("unsupported architecture"); case llvm::Triple::arm: case llvm::Triple::thumb: // FIXME: this is incorrect for WinCE CmdArgs.push_back("thumb2pe"); break; case llvm::Triple::aarch64: CmdArgs.push_back("arm64pe"); break; case llvm::Triple::x86: CmdArgs.push_back("i386pe"); EntryPoint.append("_"); break; case llvm::Triple::x86_64: CmdArgs.push_back("i386pep"); break; } if (Args.hasArg(options::OPT_shared)) { switch (T.getArch()) { default: llvm_unreachable("unsupported architecture"); case llvm::Triple::aarch64: case llvm::Triple::arm: case llvm::Triple::thumb: case llvm::Triple::x86_64: EntryPoint.append("_DllMainCRTStartup"); break; case llvm::Triple::x86: EntryPoint.append("_DllMainCRTStartup@12"); break; } CmdArgs.push_back("-shared"); CmdArgs.push_back(Args.hasArg(options::OPT_static) ? "-Bstatic" : "-Bdynamic"); CmdArgs.push_back("--enable-auto-image-base"); CmdArgs.push_back("--entry"); CmdArgs.push_back(Args.MakeArgString(EntryPoint)); } else { EntryPoint.append("mainCRTStartup"); CmdArgs.push_back(Args.hasArg(options::OPT_static) ? "-Bstatic" : "-Bdynamic"); if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nostartfiles)) { CmdArgs.push_back("--entry"); CmdArgs.push_back(Args.MakeArgString(EntryPoint)); } // FIXME: handle subsystem } // NOTE: deal with multiple definitions on Windows (e.g. COMDAT) CmdArgs.push_back("--allow-multiple-definition"); CmdArgs.push_back("-o"); CmdArgs.push_back(Output.getFilename()); if (Args.hasArg(options::OPT_shared) || Args.hasArg(options::OPT_rdynamic)) { SmallString<261> ImpLib(Output.getFilename()); llvm::sys::path::replace_extension(ImpLib, ".lib"); CmdArgs.push_back("--out-implib"); CmdArgs.push_back(Args.MakeArgString(ImpLib)); } Args.AddAllArgs(CmdArgs, options::OPT_L); TC.AddFilePathLibArgs(Args, CmdArgs); AddLinkerInputs(TC, Inputs, Args, CmdArgs, JA); if (TC.ShouldLinkCXXStdlib(Args)) { bool StaticCXX = Args.hasArg(options::OPT_static_libstdcxx) && !Args.hasArg(options::OPT_static); if (StaticCXX) CmdArgs.push_back("-Bstatic"); TC.AddCXXStdlibLibArgs(Args, CmdArgs); if (StaticCXX) CmdArgs.push_back("-Bdynamic"); } if (!Args.hasArg(options::OPT_nostdlib)) { if (!Args.hasArg(options::OPT_nodefaultlibs)) { // TODO handle /MT[d] /MD[d] CmdArgs.push_back("-lmsvcrt"); AddRunTimeLibs(TC, D, CmdArgs, Args); } } if (TC.getSanitizerArgs().needsAsanRt()) { // TODO handle /MT[d] /MD[d] if (Args.hasArg(options::OPT_shared)) { CmdArgs.push_back(TC.getCompilerRTArgString(Args, "asan_dll_thunk")); } else { for (const auto &Lib : {"asan_dynamic", "asan_dynamic_runtime_thunk"}) CmdArgs.push_back(TC.getCompilerRTArgString(Args, Lib)); // Make sure the dynamic runtime thunk is not optimized out at link time // to ensure proper SEH handling. CmdArgs.push_back(Args.MakeArgString("--undefined")); CmdArgs.push_back(Args.MakeArgString(TC.getArch() == llvm::Triple::x86 ? "___asan_seh_interceptor" : "__asan_seh_interceptor")); } } Exec = Args.MakeArgString(TC.GetLinkerPath()); C.addCommand(std::make_unique<Command>( JA, *this, ResponseFileSupport::AtFileUTF8(), Exec, CmdArgs, Inputs)); } CrossWindowsToolChain::CrossWindowsToolChain(const Driver &D, const llvm::Triple &T, const llvm::opt::ArgList &Args) : Generic_GCC(D, T, Args) {} bool CrossWindowsToolChain::IsUnwindTablesDefault(const ArgList &Args) const { // FIXME: all non-x86 targets need unwind tables, however, LLVM currently does // not know how to emit them. return getArch() == llvm::Triple::x86_64; } bool CrossWindowsToolChain::isPICDefault() const { return getArch() == llvm::Triple::x86_64; } bool CrossWindowsToolChain::isPIEDefault() const { return getArch() == llvm::Triple::x86_64; } bool CrossWindowsToolChain::isPICDefaultForced() const { return getArch() == llvm::Triple::x86_64; } void CrossWindowsToolChain:: AddClangSystemIncludeArgs(const llvm::opt::ArgList &DriverArgs, llvm::opt::ArgStringList &CC1Args) const { const Driver &D = getDriver(); const std::string &SysRoot = D.SysRoot; auto AddSystemAfterIncludes = [&]() { for (const auto &P : DriverArgs.getAllArgValues(options::OPT_isystem_after)) addSystemInclude(DriverArgs, CC1Args, P); }; if (DriverArgs.hasArg(options::OPT_nostdinc)) { AddSystemAfterIncludes(); return; } addSystemInclude(DriverArgs, CC1Args, SysRoot + "/usr/local/include"); if (!DriverArgs.hasArg(options::OPT_nobuiltininc)) { SmallString<128> ResourceDir(D.ResourceDir); llvm::sys::path::append(ResourceDir, "include"); addSystemInclude(DriverArgs, CC1Args, ResourceDir); } AddSystemAfterIncludes(); addExternCSystemInclude(DriverArgs, CC1Args, SysRoot + "/usr/include"); } void CrossWindowsToolChain:: AddClangCXXStdlibIncludeArgs(const llvm::opt::ArgList &DriverArgs, llvm::opt::ArgStringList &CC1Args) const { const std::string &SysRoot = getDriver().SysRoot; if (DriverArgs.hasArg(options::OPT_nostdinc) || DriverArgs.hasArg(options::OPT_nostdincxx)) return; if (GetCXXStdlibType(DriverArgs) == ToolChain::CST_Libcxx) addSystemInclude(DriverArgs, CC1Args, SysRoot + "/usr/include/c++/v1"); } void CrossWindowsToolChain:: AddCXXStdlibLibArgs(const llvm::opt::ArgList &DriverArgs, llvm::opt::ArgStringList &CC1Args) const { if (GetCXXStdlibType(DriverArgs) == ToolChain::CST_Libcxx) CC1Args.push_back("-lc++"); } clang::SanitizerMask CrossWindowsToolChain::getSupportedSanitizers() const { SanitizerMask Res = ToolChain::getSupportedSanitizers(); Res |= SanitizerKind::Address; Res |= SanitizerKind::PointerCompare; Res |= SanitizerKind::PointerSubtract; return Res; } Tool *CrossWindowsToolChain::buildLinker() const { return new tools::CrossWindows::Linker(*this); } Tool *CrossWindowsToolChain::buildAssembler() const { return new tools::CrossWindows::Assembler(*this); }
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