forked from OSchip/llvm-project
483 lines
16 KiB
C++
483 lines
16 KiB
C++
//===--- MinGW.cpp - MinGWToolChain Implementation ------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "MinGW.h"
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#include "InputInfo.h"
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#include "CommonArgs.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/DriverDiagnostic.h"
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#include "clang/Driver/Options.h"
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#include "llvm/Option/ArgList.h"
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#include "llvm/Support/FileSystem.h"
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#include "llvm/Support/Path.h"
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#include <system_error>
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using namespace clang::diag;
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using namespace clang::driver;
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using namespace clang;
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using namespace llvm::opt;
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/// MinGW Tools
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void tools::MinGW::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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claimNoWarnArgs(Args);
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ArgStringList CmdArgs;
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if (getToolChain().getArch() == llvm::Triple::x86) {
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CmdArgs.push_back("--32");
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} else if (getToolChain().getArch() == llvm::Triple::x86_64) {
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CmdArgs.push_back("--64");
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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(getToolChain().GetProgramPath("as"));
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C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs, Inputs));
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if (Args.hasArg(options::OPT_gsplit_dwarf))
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SplitDebugInfo(getToolChain(), C, *this, JA, Args, Output,
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SplitDebugName(Args, Inputs[0]));
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}
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void tools::MinGW::Linker::AddLibGCC(const ArgList &Args,
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ArgStringList &CmdArgs) const {
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if (Args.hasArg(options::OPT_mthreads))
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CmdArgs.push_back("-lmingwthrd");
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CmdArgs.push_back("-lmingw32");
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// Make use of compiler-rt if --rtlib option is used
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ToolChain::RuntimeLibType RLT = getToolChain().GetRuntimeLibType(Args);
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if (RLT == ToolChain::RLT_Libgcc) {
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bool Static = Args.hasArg(options::OPT_static_libgcc) ||
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Args.hasArg(options::OPT_static);
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bool Shared = Args.hasArg(options::OPT_shared);
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bool CXX = getToolChain().getDriver().CCCIsCXX();
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if (Static || (!CXX && !Shared)) {
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CmdArgs.push_back("-lgcc");
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CmdArgs.push_back("-lgcc_eh");
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} else {
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CmdArgs.push_back("-lgcc_s");
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CmdArgs.push_back("-lgcc");
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}
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} else {
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AddRunTimeLibs(getToolChain(), getToolChain().getDriver(), CmdArgs, Args);
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}
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CmdArgs.push_back("-lmoldname");
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CmdArgs.push_back("-lmingwex");
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for (auto Lib : Args.getAllArgValues(options::OPT_l))
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if (StringRef(Lib).startswith("msvcr") || Lib == "ucrtbase")
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return;
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CmdArgs.push_back("-lmsvcrt");
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}
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void tools::MinGW::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 ToolChain &TC = getToolChain();
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const Driver &D = TC.getDriver();
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// const SanitizerArgs &Sanitize = TC.getSanitizerArgs();
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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 (Args.hasArg(options::OPT_s))
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CmdArgs.push_back("-s");
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CmdArgs.push_back("-m");
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switch (TC.getArch()) {
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case llvm::Triple::x86:
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CmdArgs.push_back("i386pe");
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break;
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case llvm::Triple::x86_64:
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CmdArgs.push_back("i386pep");
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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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// FIXME: this is incorrect for WinCE
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CmdArgs.push_back("thumb2pe");
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break;
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case llvm::Triple::aarch64:
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CmdArgs.push_back("arm64pe");
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break;
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default:
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llvm_unreachable("Unsupported target architecture.");
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}
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if (Args.hasArg(options::OPT_mwindows)) {
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CmdArgs.push_back("--subsystem");
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CmdArgs.push_back("windows");
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} else if (Args.hasArg(options::OPT_mconsole)) {
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CmdArgs.push_back("--subsystem");
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CmdArgs.push_back("console");
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}
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if (Args.hasArg(options::OPT_static))
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CmdArgs.push_back("-Bstatic");
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else {
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if (Args.hasArg(options::OPT_mdll))
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CmdArgs.push_back("--dll");
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else if (Args.hasArg(options::OPT_shared))
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CmdArgs.push_back("--shared");
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CmdArgs.push_back("-Bdynamic");
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if (Args.hasArg(options::OPT_mdll) || Args.hasArg(options::OPT_shared)) {
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CmdArgs.push_back("-e");
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if (TC.getArch() == llvm::Triple::x86)
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CmdArgs.push_back("_DllMainCRTStartup@12");
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else
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CmdArgs.push_back("DllMainCRTStartup");
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CmdArgs.push_back("--enable-auto-image-base");
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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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Args.AddAllArgs(CmdArgs, options::OPT_e);
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// FIXME: add -N, -n flags
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Args.AddLastArg(CmdArgs, options::OPT_r);
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Args.AddLastArg(CmdArgs, options::OPT_s);
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Args.AddLastArg(CmdArgs, options::OPT_t);
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Args.AddAllArgs(CmdArgs, options::OPT_u_Group);
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Args.AddLastArg(CmdArgs, options::OPT_Z_Flag);
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if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nostartfiles)) {
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if (Args.hasArg(options::OPT_shared) || Args.hasArg(options::OPT_mdll)) {
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CmdArgs.push_back(Args.MakeArgString(TC.GetFilePath("dllcrt2.o")));
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} else {
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if (Args.hasArg(options::OPT_municode))
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CmdArgs.push_back(Args.MakeArgString(TC.GetFilePath("crt2u.o")));
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else
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CmdArgs.push_back(Args.MakeArgString(TC.GetFilePath("crt2.o")));
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}
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if (Args.hasArg(options::OPT_pg))
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CmdArgs.push_back(Args.MakeArgString(TC.GetFilePath("gcrt2.o")));
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CmdArgs.push_back(Args.MakeArgString(TC.GetFilePath("crtbegin.o")));
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}
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Args.AddAllArgs(CmdArgs, options::OPT_L);
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TC.AddFilePathLibArgs(Args, CmdArgs);
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AddLinkerInputs(TC, Inputs, Args, CmdArgs, JA);
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// TODO: Add ASan stuff here
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// TODO: Add profile stuff here
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if (TC.ShouldLinkCXXStdlib(Args)) {
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bool OnlyLibstdcxxStatic = Args.hasArg(options::OPT_static_libstdcxx) &&
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!Args.hasArg(options::OPT_static);
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if (OnlyLibstdcxxStatic)
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CmdArgs.push_back("-Bstatic");
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TC.AddCXXStdlibLibArgs(Args, CmdArgs);
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if (OnlyLibstdcxxStatic)
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CmdArgs.push_back("-Bdynamic");
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}
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if (!Args.hasArg(options::OPT_nostdlib)) {
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if (!Args.hasArg(options::OPT_nodefaultlibs)) {
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if (Args.hasArg(options::OPT_static))
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CmdArgs.push_back("--start-group");
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if (Args.hasArg(options::OPT_fstack_protector) ||
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Args.hasArg(options::OPT_fstack_protector_strong) ||
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Args.hasArg(options::OPT_fstack_protector_all)) {
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CmdArgs.push_back("-lssp_nonshared");
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CmdArgs.push_back("-lssp");
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}
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if (Args.hasArg(options::OPT_fopenmp))
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CmdArgs.push_back("-lgomp");
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AddLibGCC(Args, CmdArgs);
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if (Args.hasArg(options::OPT_pg))
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CmdArgs.push_back("-lgmon");
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if (Args.hasArg(options::OPT_pthread))
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CmdArgs.push_back("-lpthread");
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// add system libraries
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if (Args.hasArg(options::OPT_mwindows)) {
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CmdArgs.push_back("-lgdi32");
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CmdArgs.push_back("-lcomdlg32");
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}
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CmdArgs.push_back("-ladvapi32");
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CmdArgs.push_back("-lshell32");
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CmdArgs.push_back("-luser32");
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CmdArgs.push_back("-lkernel32");
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if (Args.hasArg(options::OPT_static))
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CmdArgs.push_back("--end-group");
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else
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AddLibGCC(Args, CmdArgs);
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}
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if (!Args.hasArg(options::OPT_nostartfiles)) {
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// Add crtfastmath.o if available and fast math is enabled.
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TC.AddFastMathRuntimeIfAvailable(Args, CmdArgs);
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CmdArgs.push_back(Args.MakeArgString(TC.GetFilePath("crtend.o")));
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}
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}
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const char *Exec = Args.MakeArgString(TC.GetLinkerPath());
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C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs, Inputs));
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}
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// Simplified from Generic_GCC::GCCInstallationDetector::ScanLibDirForGCCTriple.
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static bool findGccVersion(StringRef LibDir, std::string &GccLibDir,
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std::string &Ver) {
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auto Version = toolchains::Generic_GCC::GCCVersion::Parse("0.0.0");
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std::error_code EC;
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for (llvm::sys::fs::directory_iterator LI(LibDir, EC), LE; !EC && LI != LE;
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LI = LI.increment(EC)) {
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StringRef VersionText = llvm::sys::path::filename(LI->path());
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auto CandidateVersion =
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toolchains::Generic_GCC::GCCVersion::Parse(VersionText);
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if (CandidateVersion.Major == -1)
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continue;
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if (CandidateVersion <= Version)
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continue;
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Ver = VersionText;
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GccLibDir = LI->path();
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}
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return Ver.size();
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}
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void toolchains::MinGW::findGccLibDir() {
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llvm::SmallVector<llvm::SmallString<32>, 2> Archs;
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Archs.emplace_back(getTriple().getArchName());
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Archs[0] += "-w64-mingw32";
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Archs.emplace_back("mingw32");
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Arch = Archs[0].str();
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// lib: Arch Linux, Ubuntu, Windows
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// lib64: openSUSE Linux
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for (StringRef CandidateLib : {"lib", "lib64"}) {
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for (StringRef CandidateArch : Archs) {
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llvm::SmallString<1024> LibDir(Base);
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llvm::sys::path::append(LibDir, CandidateLib, "gcc", CandidateArch);
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if (findGccVersion(LibDir, GccLibDir, Ver)) {
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Arch = CandidateArch;
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return;
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}
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}
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}
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}
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llvm::ErrorOr<std::string> toolchains::MinGW::findGcc() {
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llvm::SmallVector<llvm::SmallString<32>, 2> Gccs;
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Gccs.emplace_back(getTriple().getArchName());
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Gccs[0] += "-w64-mingw32-gcc";
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Gccs.emplace_back("mingw32-gcc");
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// Please do not add "gcc" here
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for (StringRef CandidateGcc : Gccs)
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if (llvm::ErrorOr<std::string> GPPName = llvm::sys::findProgramByName(CandidateGcc))
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return GPPName;
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return make_error_code(std::errc::no_such_file_or_directory);
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}
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toolchains::MinGW::MinGW(const Driver &D, const llvm::Triple &Triple,
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const ArgList &Args)
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: ToolChain(D, Triple, Args), CudaInstallation(D, Triple, Args) {
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getProgramPaths().push_back(getDriver().getInstalledDir());
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if (getDriver().SysRoot.size())
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Base = getDriver().SysRoot;
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else if (llvm::ErrorOr<std::string> GPPName = findGcc())
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Base = llvm::sys::path::parent_path(
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llvm::sys::path::parent_path(GPPName.get()));
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else
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Base = llvm::sys::path::parent_path(getDriver().getInstalledDir());
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Base += llvm::sys::path::get_separator();
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findGccLibDir();
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// GccLibDir must precede Base/lib so that the
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// correct crtbegin.o ,cetend.o would be found.
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getFilePaths().push_back(GccLibDir);
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getFilePaths().push_back(
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(Base + Arch + llvm::sys::path::get_separator() + "lib").str());
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getFilePaths().push_back(Base + "lib");
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// openSUSE
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getFilePaths().push_back(Base + Arch + "/sys-root/mingw/lib");
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}
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bool toolchains::MinGW::IsIntegratedAssemblerDefault() const { return true; }
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Tool *toolchains::MinGW::getTool(Action::ActionClass AC) const {
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switch (AC) {
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case Action::PreprocessJobClass:
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if (!Preprocessor)
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Preprocessor.reset(new tools::gcc::Preprocessor(*this));
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return Preprocessor.get();
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case Action::CompileJobClass:
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if (!Compiler)
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Compiler.reset(new tools::gcc::Compiler(*this));
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return Compiler.get();
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default:
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return ToolChain::getTool(AC);
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}
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}
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Tool *toolchains::MinGW::buildAssembler() const {
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return new tools::MinGW::Assembler(*this);
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}
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Tool *toolchains::MinGW::buildLinker() const {
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return new tools::MinGW::Linker(*this);
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}
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bool toolchains::MinGW::IsUnwindTablesDefault(const ArgList &Args) const {
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return getArch() == llvm::Triple::x86_64;
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}
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bool toolchains::MinGW::isPICDefault() const {
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return getArch() == llvm::Triple::x86_64;
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}
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bool toolchains::MinGW::isPIEDefault() const { return false; }
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bool toolchains::MinGW::isPICDefaultForced() const {
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return getArch() == llvm::Triple::x86_64;
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}
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llvm::ExceptionHandling
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toolchains::MinGW::GetExceptionModel(const ArgList &Args) const {
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if (getArch() == llvm::Triple::x86_64)
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return llvm::ExceptionHandling::WinEH;
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return llvm::ExceptionHandling::DwarfCFI;
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}
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void toolchains::MinGW::AddCudaIncludeArgs(const ArgList &DriverArgs,
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ArgStringList &CC1Args) const {
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CudaInstallation.AddCudaIncludeArgs(DriverArgs, CC1Args);
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}
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void toolchains::MinGW::printVerboseInfo(raw_ostream &OS) const {
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CudaInstallation.print(OS);
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}
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// Include directories for various hosts:
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// Windows, mingw.org
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// c:\mingw\lib\gcc\mingw32\4.8.1\include\c++
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// c:\mingw\lib\gcc\mingw32\4.8.1\include\c++\mingw32
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// c:\mingw\lib\gcc\mingw32\4.8.1\include\c++\backward
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// c:\mingw\include
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// c:\mingw\mingw32\include
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// Windows, mingw-w64 mingw-builds
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// c:\mingw32\i686-w64-mingw32\include
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// c:\mingw32\i686-w64-mingw32\include\c++
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// c:\mingw32\i686-w64-mingw32\include\c++\i686-w64-mingw32
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// c:\mingw32\i686-w64-mingw32\include\c++\backward
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// Windows, mingw-w64 msys2
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// c:\msys64\mingw32\include
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// c:\msys64\mingw32\i686-w64-mingw32\include
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// c:\msys64\mingw32\include\c++\4.9.2
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// c:\msys64\mingw32\include\c++\4.9.2\i686-w64-mingw32
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// c:\msys64\mingw32\include\c++\4.9.2\backward
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// openSUSE
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// /usr/lib64/gcc/x86_64-w64-mingw32/5.1.0/include/c++
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// /usr/lib64/gcc/x86_64-w64-mingw32/5.1.0/include/c++/x86_64-w64-mingw32
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// /usr/lib64/gcc/x86_64-w64-mingw32/5.1.0/include/c++/backward
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// /usr/x86_64-w64-mingw32/sys-root/mingw/include
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// Arch Linux
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// /usr/i686-w64-mingw32/include/c++/5.1.0
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// /usr/i686-w64-mingw32/include/c++/5.1.0/i686-w64-mingw32
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// /usr/i686-w64-mingw32/include/c++/5.1.0/backward
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// /usr/i686-w64-mingw32/include
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// Ubuntu
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// /usr/include/c++/4.8
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// /usr/include/c++/4.8/x86_64-w64-mingw32
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// /usr/include/c++/4.8/backward
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// /usr/x86_64-w64-mingw32/include
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void toolchains::MinGW::AddClangSystemIncludeArgs(const ArgList &DriverArgs,
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ArgStringList &CC1Args) const {
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if (DriverArgs.hasArg(options::OPT_nostdinc))
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return;
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if (!DriverArgs.hasArg(options::OPT_nobuiltininc)) {
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SmallString<1024> P(getDriver().ResourceDir);
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llvm::sys::path::append(P, "include");
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addSystemInclude(DriverArgs, CC1Args, P.str());
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}
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if (DriverArgs.hasArg(options::OPT_nostdlibinc))
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return;
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if (GetRuntimeLibType(DriverArgs) == ToolChain::RLT_Libgcc) {
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// openSUSE
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addSystemInclude(DriverArgs, CC1Args,
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Base + Arch + "/sys-root/mingw/include");
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}
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addSystemInclude(DriverArgs, CC1Args,
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Base + Arch + llvm::sys::path::get_separator() + "include");
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addSystemInclude(DriverArgs, CC1Args, Base + "include");
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}
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void toolchains::MinGW::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:
|
|
addSystemInclude(DriverArgs, CC1Args,
|
|
Base + "include" + llvm::sys::path::get_separator() +
|
|
"c++" + llvm::sys::path::get_separator() + "v1");
|
|
break;
|
|
|
|
case ToolChain::CST_Libstdcxx:
|
|
llvm::SmallVector<llvm::SmallString<1024>, 4> CppIncludeBases;
|
|
CppIncludeBases.emplace_back(Base);
|
|
llvm::sys::path::append(CppIncludeBases[0], Arch, "include", "c++");
|
|
CppIncludeBases.emplace_back(Base);
|
|
llvm::sys::path::append(CppIncludeBases[1], Arch, "include", "c++", Ver);
|
|
CppIncludeBases.emplace_back(Base);
|
|
llvm::sys::path::append(CppIncludeBases[2], "include", "c++", Ver);
|
|
CppIncludeBases.emplace_back(GccLibDir);
|
|
llvm::sys::path::append(CppIncludeBases[3], "include", "c++");
|
|
for (auto &CppIncludeBase : CppIncludeBases) {
|
|
addSystemInclude(DriverArgs, CC1Args, CppIncludeBase);
|
|
CppIncludeBase += llvm::sys::path::get_separator();
|
|
addSystemInclude(DriverArgs, CC1Args, CppIncludeBase + Arch);
|
|
addSystemInclude(DriverArgs, CC1Args, CppIncludeBase + "backward");
|
|
}
|
|
break;
|
|
}
|
|
}
|