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Diffstat (limited to 'lib/Driver/ToolChains/MinGW.cpp')
| -rw-r--r-- | lib/Driver/ToolChains/MinGW.cpp | 471 |
1 files changed, 471 insertions, 0 deletions
diff --git a/lib/Driver/ToolChains/MinGW.cpp b/lib/Driver/ToolChains/MinGW.cpp new file mode 100644 index 0000000000..ca5bf06f7e --- /dev/null +++ b/lib/Driver/ToolChains/MinGW.cpp @@ -0,0 +1,471 @@ +//===--- MinGW.cpp - MinGWToolChain Implementation ------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +#include "MinGW.h" +#include "InputInfo.h" +#include "CommonArgs.h" +#include "clang/Driver/Compilation.h" +#include "clang/Driver/Driver.h" +#include "clang/Driver/DriverDiagnostic.h" +#include "clang/Driver/Options.h" +#include "llvm/Option/ArgList.h" +#include "llvm/Support/FileSystem.h" +#include "llvm/Support/Path.h" +#include <system_error> + +using namespace clang::diag; +using namespace clang::driver; +using namespace clang; +using namespace llvm::opt; + +/// MinGW Tools +void tools::MinGW::Assembler::ConstructJob(Compilation &C, const JobAction &JA, + const InputInfo &Output, + const InputInfoList &Inputs, + const ArgList &Args, + const char *LinkingOutput) const { + claimNoWarnArgs(Args); + ArgStringList CmdArgs; + + if (getToolChain().getArch() == llvm::Triple::x86) { + CmdArgs.push_back("--32"); + } else if (getToolChain().getArch() == llvm::Triple::x86_64) { + CmdArgs.push_back("--64"); + } + + 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)); + + if (Args.hasArg(options::OPT_gsplit_dwarf)) + SplitDebugInfo(getToolChain(), C, *this, JA, Args, Output, + SplitDebugName(Args, Inputs[0])); +} + +void tools::MinGW::Linker::AddLibGCC(const ArgList &Args, + ArgStringList &CmdArgs) const { + if (Args.hasArg(options::OPT_mthreads)) + CmdArgs.push_back("-lmingwthrd"); + CmdArgs.push_back("-lmingw32"); + + // Make use of compiler-rt if --rtlib option is used + ToolChain::RuntimeLibType RLT = getToolChain().GetRuntimeLibType(Args); + if (RLT == ToolChain::RLT_Libgcc) { + bool Static = Args.hasArg(options::OPT_static_libgcc) || + Args.hasArg(options::OPT_static); + bool Shared = Args.hasArg(options::OPT_shared); + bool CXX = getToolChain().getDriver().CCCIsCXX(); + + if (Static || (!CXX && !Shared)) { + CmdArgs.push_back("-lgcc"); + CmdArgs.push_back("-lgcc_eh"); + } else { + CmdArgs.push_back("-lgcc_s"); + CmdArgs.push_back("-lgcc"); + } + } else { + AddRunTimeLibs(getToolChain(), getToolChain().getDriver(), CmdArgs, Args); + } + + CmdArgs.push_back("-lmoldname"); + CmdArgs.push_back("-lmingwex"); + CmdArgs.push_back("-lmsvcrt"); +} + +void tools::MinGW::Linker::ConstructJob(Compilation &C, const JobAction &JA, + const InputInfo &Output, + const InputInfoList &Inputs, + const ArgList &Args, + const char *LinkingOutput) const { + const ToolChain &TC = getToolChain(); + const Driver &D = TC.getDriver(); + // const SanitizerArgs &Sanitize = TC.getSanitizerArgs(); + + ArgStringList CmdArgs; + + // 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". Other warning options are already + // handled somewhere else. + Args.ClaimAllArgs(options::OPT_w); + + StringRef LinkerName = Args.getLastArgValue(options::OPT_fuse_ld_EQ, "ld"); + if (LinkerName.equals_lower("lld")) { + CmdArgs.push_back("-flavor"); + CmdArgs.push_back("gnu"); + } else if (!LinkerName.equals_lower("ld")) { + D.Diag(diag::err_drv_unsupported_linker) << LinkerName; + } + + if (!D.SysRoot.empty()) + CmdArgs.push_back(Args.MakeArgString("--sysroot=" + D.SysRoot)); + + if (Args.hasArg(options::OPT_s)) + CmdArgs.push_back("-s"); + + CmdArgs.push_back("-m"); + if (TC.getArch() == llvm::Triple::x86) + CmdArgs.push_back("i386pe"); + if (TC.getArch() == llvm::Triple::x86_64) + CmdArgs.push_back("i386pep"); + if (TC.getArch() == llvm::Triple::arm) + CmdArgs.push_back("thumb2pe"); + + if (Args.hasArg(options::OPT_mwindows)) { + CmdArgs.push_back("--subsystem"); + CmdArgs.push_back("windows"); + } else if (Args.hasArg(options::OPT_mconsole)) { + CmdArgs.push_back("--subsystem"); + CmdArgs.push_back("console"); + } + + if (Args.hasArg(options::OPT_static)) + CmdArgs.push_back("-Bstatic"); + else { + if (Args.hasArg(options::OPT_mdll)) + CmdArgs.push_back("--dll"); + else if (Args.hasArg(options::OPT_shared)) + CmdArgs.push_back("--shared"); + CmdArgs.push_back("-Bdynamic"); + if (Args.hasArg(options::OPT_mdll) || Args.hasArg(options::OPT_shared)) { + CmdArgs.push_back("-e"); + if (TC.getArch() == llvm::Triple::x86) + CmdArgs.push_back("_DllMainCRTStartup@12"); + else + CmdArgs.push_back("DllMainCRTStartup"); + CmdArgs.push_back("--enable-auto-image-base"); + } + } + + CmdArgs.push_back("-o"); + CmdArgs.push_back(Output.getFilename()); + + Args.AddAllArgs(CmdArgs, options::OPT_e); + // FIXME: add -N, -n flags + Args.AddLastArg(CmdArgs, options::OPT_r); + Args.AddLastArg(CmdArgs, options::OPT_s); + Args.AddLastArg(CmdArgs, options::OPT_t); + Args.AddAllArgs(CmdArgs, options::OPT_u_Group); + Args.AddLastArg(CmdArgs, options::OPT_Z_Flag); + + if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nostartfiles)) { + if (Args.hasArg(options::OPT_shared) || Args.hasArg(options::OPT_mdll)) { + CmdArgs.push_back(Args.MakeArgString(TC.GetFilePath("dllcrt2.o"))); + } else { + if (Args.hasArg(options::OPT_municode)) + CmdArgs.push_back(Args.MakeArgString(TC.GetFilePath("crt2u.o"))); + else + CmdArgs.push_back(Args.MakeArgString(TC.GetFilePath("crt2.o"))); + } + if (Args.hasArg(options::OPT_pg)) + CmdArgs.push_back(Args.MakeArgString(TC.GetFilePath("gcrt2.o"))); + CmdArgs.push_back(Args.MakeArgString(TC.GetFilePath("crtbegin.o"))); + } + + Args.AddAllArgs(CmdArgs, options::OPT_L); + TC.AddFilePathLibArgs(Args, CmdArgs); + AddLinkerInputs(TC, Inputs, Args, CmdArgs, JA); + + // TODO: Add ASan stuff here + + // TODO: Add profile stuff here + + if (D.CCCIsCXX() && + !Args.hasArg(options::OPT_nostdlib, options::OPT_nodefaultlibs)) { + bool OnlyLibstdcxxStatic = Args.hasArg(options::OPT_static_libstdcxx) && + !Args.hasArg(options::OPT_static); + if (OnlyLibstdcxxStatic) + CmdArgs.push_back("-Bstatic"); + TC.AddCXXStdlibLibArgs(Args, CmdArgs); + if (OnlyLibstdcxxStatic) + CmdArgs.push_back("-Bdynamic"); + } + + if (!Args.hasArg(options::OPT_nostdlib)) { + if (!Args.hasArg(options::OPT_nodefaultlibs)) { + if (Args.hasArg(options::OPT_static)) + CmdArgs.push_back("--start-group"); + + if (Args.hasArg(options::OPT_fstack_protector) || + Args.hasArg(options::OPT_fstack_protector_strong) || + Args.hasArg(options::OPT_fstack_protector_all)) { + CmdArgs.push_back("-lssp_nonshared"); + CmdArgs.push_back("-lssp"); + } + if (Args.hasArg(options::OPT_fopenmp)) + CmdArgs.push_back("-lgomp"); + + AddLibGCC(Args, CmdArgs); + + if (Args.hasArg(options::OPT_pg)) + CmdArgs.push_back("-lgmon"); + + if (Args.hasArg(options::OPT_pthread)) + CmdArgs.push_back("-lpthread"); + + // add system libraries + if (Args.hasArg(options::OPT_mwindows)) { + CmdArgs.push_back("-lgdi32"); + CmdArgs.push_back("-lcomdlg32"); + } + CmdArgs.push_back("-ladvapi32"); + CmdArgs.push_back("-lshell32"); + CmdArgs.push_back("-luser32"); + CmdArgs.push_back("-lkernel32"); + + if (Args.hasArg(options::OPT_static)) + CmdArgs.push_back("--end-group"); + else if (!LinkerName.equals_lower("lld")) + AddLibGCC(Args, CmdArgs); + } + + if (!Args.hasArg(options::OPT_nostartfiles)) { + // Add crtfastmath.o if available and fast math is enabled. + TC.AddFastMathRuntimeIfAvailable(Args, CmdArgs); + + CmdArgs.push_back(Args.MakeArgString(TC.GetFilePath("crtend.o"))); + } + } + const char *Exec = Args.MakeArgString(TC.GetProgramPath(LinkerName.data())); + C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs, Inputs)); +} + +// Simplified from Generic_GCC::GCCInstallationDetector::ScanLibDirForGCCTriple. +static bool findGccVersion(StringRef LibDir, std::string &GccLibDir, + std::string &Ver) { + auto Version = toolchains::Generic_GCC::GCCVersion::Parse("0.0.0"); + std::error_code EC; + for (llvm::sys::fs::directory_iterator LI(LibDir, EC), LE; !EC && LI != LE; + LI = LI.increment(EC)) { + StringRef VersionText = llvm::sys::path::filename(LI->path()); + auto CandidateVersion = + toolchains::Generic_GCC::GCCVersion::Parse(VersionText); + if (CandidateVersion.Major == -1) + continue; + if (CandidateVersion <= Version) + continue; + Ver = VersionText; + GccLibDir = LI->path(); + } + return Ver.size(); +} + +void toolchains::MinGW::findGccLibDir() { + llvm::SmallVector<llvm::SmallString<32>, 2> Archs; + Archs.emplace_back(getTriple().getArchName()); + Archs[0] += "-w64-mingw32"; + Archs.emplace_back("mingw32"); + Arch = Archs[0].str(); + // lib: Arch Linux, Ubuntu, Windows + // lib64: openSUSE Linux + for (StringRef CandidateLib : {"lib", "lib64"}) { + for (StringRef CandidateArch : Archs) { + llvm::SmallString<1024> LibDir(Base); + llvm::sys::path::append(LibDir, CandidateLib, "gcc", CandidateArch); + if (findGccVersion(LibDir, GccLibDir, Ver)) { + Arch = CandidateArch; + return; + } + } + } +} + +toolchains::MinGW::MinGW(const Driver &D, const llvm::Triple &Triple, + const ArgList &Args) + : ToolChain(D, Triple, Args), CudaInstallation(D, Triple, Args) { + getProgramPaths().push_back(getDriver().getInstalledDir()); + +// In Windows there aren't any standard install locations, we search +// for gcc on the PATH. In Linux the base is always /usr. +#ifdef LLVM_ON_WIN32 + if (getDriver().SysRoot.size()) + Base = getDriver().SysRoot; + else if (llvm::ErrorOr<std::string> GPPName = + llvm::sys::findProgramByName("gcc")) + Base = llvm::sys::path::parent_path( + llvm::sys::path::parent_path(GPPName.get())); + else + Base = llvm::sys::path::parent_path(getDriver().getInstalledDir()); +#else + if (getDriver().SysRoot.size()) + Base = getDriver().SysRoot; + else + Base = "/usr"; +#endif + + Base += llvm::sys::path::get_separator(); + findGccLibDir(); + // GccLibDir must precede Base/lib so that the + // correct crtbegin.o ,cetend.o would be found. + getFilePaths().push_back(GccLibDir); + getFilePaths().push_back( + (Base + Arch + llvm::sys::path::get_separator() + "lib").str()); + getFilePaths().push_back(Base + "lib"); + // openSUSE + getFilePaths().push_back(Base + Arch + "/sys-root/mingw/lib"); +} + +bool toolchains::MinGW::IsIntegratedAssemblerDefault() const { return true; } + +Tool *toolchains::MinGW::getTool(Action::ActionClass AC) const { + switch (AC) { + case Action::PreprocessJobClass: + if (!Preprocessor) + Preprocessor.reset(new tools::gcc::Preprocessor(*this)); + return Preprocessor.get(); + case Action::CompileJobClass: + if (!Compiler) + Compiler.reset(new tools::gcc::Compiler(*this)); + return Compiler.get(); + default: + return ToolChain::getTool(AC); + } +} + +Tool *toolchains::MinGW::buildAssembler() const { + return new tools::MinGW::Assembler(*this); +} + +Tool *toolchains::MinGW::buildLinker() const { + return new tools::MinGW::Linker(*this); +} + +bool toolchains::MinGW::IsUnwindTablesDefault() const { + return getArch() == llvm::Triple::x86_64; +} + +bool toolchains::MinGW::isPICDefault() const { + return getArch() == llvm::Triple::x86_64; +} + +bool toolchains::MinGW::isPIEDefault() const { return false; } + +bool toolchains::MinGW::isPICDefaultForced() const { + return getArch() == llvm::Triple::x86_64; +} + +bool toolchains::MinGW::UseSEHExceptions() const { + return getArch() == llvm::Triple::x86_64; +} + +void toolchains::MinGW::AddCudaIncludeArgs(const ArgList &DriverArgs, + ArgStringList &CC1Args) const { + CudaInstallation.AddCudaIncludeArgs(DriverArgs, CC1Args); +} + +void toolchains::MinGW::printVerboseInfo(raw_ostream &OS) const { + CudaInstallation.print(OS); +} + +// Include directories for various hosts: + +// Windows, mingw.org +// c:\mingw\lib\gcc\mingw32\4.8.1\include\c++ +// c:\mingw\lib\gcc\mingw32\4.8.1\include\c++\mingw32 +// c:\mingw\lib\gcc\mingw32\4.8.1\include\c++\backward +// c:\mingw\include +// c:\mingw\mingw32\include + +// Windows, mingw-w64 mingw-builds +// c:\mingw32\i686-w64-mingw32\include +// c:\mingw32\i686-w64-mingw32\include\c++ +// c:\mingw32\i686-w64-mingw32\include\c++\i686-w64-mingw32 +// c:\mingw32\i686-w64-mingw32\include\c++\backward + +// Windows, mingw-w64 msys2 +// c:\msys64\mingw32\include +// c:\msys64\mingw32\i686-w64-mingw32\include +// c:\msys64\mingw32\include\c++\4.9.2 +// c:\msys64\mingw32\include\c++\4.9.2\i686-w64-mingw32 +// c:\msys64\mingw32\include\c++\4.9.2\backward + +// openSUSE +// /usr/lib64/gcc/x86_64-w64-mingw32/5.1.0/include/c++ +// /usr/lib64/gcc/x86_64-w64-mingw32/5.1.0/include/c++/x86_64-w64-mingw32 +// /usr/lib64/gcc/x86_64-w64-mingw32/5.1.0/include/c++/backward +// /usr/x86_64-w64-mingw32/sys-root/mingw/include + +// Arch Linux +// /usr/i686-w64-mingw32/include/c++/5.1.0 +// /usr/i686-w64-mingw32/include/c++/5.1.0/i686-w64-mingw32 +// /usr/i686-w64-mingw32/include/c++/5.1.0/backward +// /usr/i686-w64-mingw32/include + +// Ubuntu +// /usr/include/c++/4.8 +// /usr/include/c++/4.8/x86_64-w64-mingw32 +// /usr/include/c++/4.8/backward +// /usr/x86_64-w64-mingw32/include + +void toolchains::MinGW::AddClangSystemIncludeArgs(const ArgList &DriverArgs, + ArgStringList &CC1Args) const { + if (DriverArgs.hasArg(options::OPT_nostdinc)) + return; + + if (!DriverArgs.hasArg(options::OPT_nobuiltininc)) { + SmallString<1024> P(getDriver().ResourceDir); + llvm::sys::path::append(P, "include"); + addSystemInclude(DriverArgs, CC1Args, P.str()); + } + + if (DriverArgs.hasArg(options::OPT_nostdlibinc)) + return; + + if (GetRuntimeLibType(DriverArgs) == ToolChain::RLT_Libgcc) { + // openSUSE + addSystemInclude(DriverArgs, CC1Args, + Base + Arch + "/sys-root/mingw/include"); + } + + addSystemInclude(DriverArgs, CC1Args, + Base + Arch + llvm::sys::path::get_separator() + "include"); + addSystemInclude(DriverArgs, CC1Args, Base + "include"); +} + +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; + } +} |