1 //===--- MinGW.cpp - MinGWToolChain Implementation ------------------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
11 #include "InputInfo.h"
12 #include "CommonArgs.h"
13 #include "clang/Driver/Compilation.h"
14 #include "clang/Driver/Driver.h"
15 #include "clang/Driver/DriverDiagnostic.h"
16 #include "clang/Driver/Options.h"
17 #include "llvm/Option/ArgList.h"
18 #include "llvm/Support/FileSystem.h"
19 #include "llvm/Support/Path.h"
20 #include <system_error>
22 using namespace clang::diag;
23 using namespace clang::driver;
24 using namespace clang;
25 using namespace llvm::opt;
28 void tools::MinGW::Assembler::ConstructJob(Compilation &C, const JobAction &JA,
29 const InputInfo &Output,
30 const InputInfoList &Inputs,
32 const char *LinkingOutput) const {
33 claimNoWarnArgs(Args);
34 ArgStringList CmdArgs;
36 if (getToolChain().getArch() == llvm::Triple::x86) {
37 CmdArgs.push_back("--32");
38 } else if (getToolChain().getArch() == llvm::Triple::x86_64) {
39 CmdArgs.push_back("--64");
42 Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA, options::OPT_Xassembler);
44 CmdArgs.push_back("-o");
45 CmdArgs.push_back(Output.getFilename());
47 for (const auto &II : Inputs)
48 CmdArgs.push_back(II.getFilename());
50 const char *Exec = Args.MakeArgString(getToolChain().GetProgramPath("as"));
51 C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs, Inputs));
53 if (Args.hasArg(options::OPT_gsplit_dwarf))
54 SplitDebugInfo(getToolChain(), C, *this, JA, Args, Output,
55 SplitDebugName(Args, Inputs[0]));
58 void tools::MinGW::Linker::AddLibGCC(const ArgList &Args,
59 ArgStringList &CmdArgs) const {
60 if (Args.hasArg(options::OPT_mthreads))
61 CmdArgs.push_back("-lmingwthrd");
62 CmdArgs.push_back("-lmingw32");
64 // Make use of compiler-rt if --rtlib option is used
65 ToolChain::RuntimeLibType RLT = getToolChain().GetRuntimeLibType(Args);
66 if (RLT == ToolChain::RLT_Libgcc) {
67 bool Static = Args.hasArg(options::OPT_static_libgcc) ||
68 Args.hasArg(options::OPT_static);
69 bool Shared = Args.hasArg(options::OPT_shared);
70 bool CXX = getToolChain().getDriver().CCCIsCXX();
72 if (Static || (!CXX && !Shared)) {
73 CmdArgs.push_back("-lgcc");
74 CmdArgs.push_back("-lgcc_eh");
76 CmdArgs.push_back("-lgcc_s");
77 CmdArgs.push_back("-lgcc");
80 AddRunTimeLibs(getToolChain(), getToolChain().getDriver(), CmdArgs, Args);
83 CmdArgs.push_back("-lmoldname");
84 CmdArgs.push_back("-lmingwex");
85 for (auto Lib : Args.getAllArgValues(options::OPT_l))
86 if (StringRef(Lib).startswith("msvcr") || Lib == "ucrtbase")
88 CmdArgs.push_back("-lmsvcrt");
91 void tools::MinGW::Linker::ConstructJob(Compilation &C, const JobAction &JA,
92 const InputInfo &Output,
93 const InputInfoList &Inputs,
95 const char *LinkingOutput) const {
96 const ToolChain &TC = getToolChain();
97 const Driver &D = TC.getDriver();
98 // const SanitizerArgs &Sanitize = TC.getSanitizerArgs();
100 ArgStringList CmdArgs;
102 // Silence warning for "clang -g foo.o -o foo"
103 Args.ClaimAllArgs(options::OPT_g_Group);
104 // and "clang -emit-llvm foo.o -o foo"
105 Args.ClaimAllArgs(options::OPT_emit_llvm);
106 // and for "clang -w foo.o -o foo". Other warning options are already
107 // handled somewhere else.
108 Args.ClaimAllArgs(options::OPT_w);
110 if (!D.SysRoot.empty())
111 CmdArgs.push_back(Args.MakeArgString("--sysroot=" + D.SysRoot));
113 if (Args.hasArg(options::OPT_s))
114 CmdArgs.push_back("-s");
116 CmdArgs.push_back("-m");
117 switch (TC.getArch()) {
118 case llvm::Triple::x86:
119 CmdArgs.push_back("i386pe");
121 case llvm::Triple::x86_64:
122 CmdArgs.push_back("i386pep");
124 case llvm::Triple::arm:
125 case llvm::Triple::thumb:
126 // FIXME: this is incorrect for WinCE
127 CmdArgs.push_back("thumb2pe");
129 case llvm::Triple::aarch64:
130 CmdArgs.push_back("arm64pe");
133 llvm_unreachable("Unsupported target architecture.");
136 if (Args.hasArg(options::OPT_mwindows)) {
137 CmdArgs.push_back("--subsystem");
138 CmdArgs.push_back("windows");
139 } else if (Args.hasArg(options::OPT_mconsole)) {
140 CmdArgs.push_back("--subsystem");
141 CmdArgs.push_back("console");
144 if (Args.hasArg(options::OPT_mdll))
145 CmdArgs.push_back("--dll");
146 else if (Args.hasArg(options::OPT_shared))
147 CmdArgs.push_back("--shared");
148 if (Args.hasArg(options::OPT_static))
149 CmdArgs.push_back("-Bstatic");
151 CmdArgs.push_back("-Bdynamic");
152 if (Args.hasArg(options::OPT_mdll) || Args.hasArg(options::OPT_shared)) {
153 CmdArgs.push_back("-e");
154 if (TC.getArch() == llvm::Triple::x86)
155 CmdArgs.push_back("_DllMainCRTStartup@12");
157 CmdArgs.push_back("DllMainCRTStartup");
158 CmdArgs.push_back("--enable-auto-image-base");
161 CmdArgs.push_back("-o");
162 CmdArgs.push_back(Output.getFilename());
164 Args.AddAllArgs(CmdArgs, options::OPT_e);
165 // FIXME: add -N, -n flags
166 Args.AddLastArg(CmdArgs, options::OPT_r);
167 Args.AddLastArg(CmdArgs, options::OPT_s);
168 Args.AddLastArg(CmdArgs, options::OPT_t);
169 Args.AddAllArgs(CmdArgs, options::OPT_u_Group);
170 Args.AddLastArg(CmdArgs, options::OPT_Z_Flag);
172 if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nostartfiles)) {
173 if (Args.hasArg(options::OPT_shared) || Args.hasArg(options::OPT_mdll)) {
174 CmdArgs.push_back(Args.MakeArgString(TC.GetFilePath("dllcrt2.o")));
176 if (Args.hasArg(options::OPT_municode))
177 CmdArgs.push_back(Args.MakeArgString(TC.GetFilePath("crt2u.o")));
179 CmdArgs.push_back(Args.MakeArgString(TC.GetFilePath("crt2.o")));
181 if (Args.hasArg(options::OPT_pg))
182 CmdArgs.push_back(Args.MakeArgString(TC.GetFilePath("gcrt2.o")));
183 CmdArgs.push_back(Args.MakeArgString(TC.GetFilePath("crtbegin.o")));
186 Args.AddAllArgs(CmdArgs, options::OPT_L);
187 TC.AddFilePathLibArgs(Args, CmdArgs);
188 AddLinkerInputs(TC, Inputs, Args, CmdArgs, JA);
190 // TODO: Add ASan stuff here
192 // TODO: Add profile stuff here
194 if (TC.ShouldLinkCXXStdlib(Args)) {
195 bool OnlyLibstdcxxStatic = Args.hasArg(options::OPT_static_libstdcxx) &&
196 !Args.hasArg(options::OPT_static);
197 if (OnlyLibstdcxxStatic)
198 CmdArgs.push_back("-Bstatic");
199 TC.AddCXXStdlibLibArgs(Args, CmdArgs);
200 if (OnlyLibstdcxxStatic)
201 CmdArgs.push_back("-Bdynamic");
204 if (!Args.hasArg(options::OPT_nostdlib)) {
205 if (!Args.hasArg(options::OPT_nodefaultlibs)) {
206 if (Args.hasArg(options::OPT_static))
207 CmdArgs.push_back("--start-group");
209 if (Args.hasArg(options::OPT_fstack_protector) ||
210 Args.hasArg(options::OPT_fstack_protector_strong) ||
211 Args.hasArg(options::OPT_fstack_protector_all)) {
212 CmdArgs.push_back("-lssp_nonshared");
213 CmdArgs.push_back("-lssp");
215 if (Args.hasArg(options::OPT_fopenmp))
216 CmdArgs.push_back("-lgomp");
218 AddLibGCC(Args, CmdArgs);
220 if (Args.hasArg(options::OPT_pg))
221 CmdArgs.push_back("-lgmon");
223 if (Args.hasArg(options::OPT_pthread))
224 CmdArgs.push_back("-lpthread");
226 // add system libraries
227 if (Args.hasArg(options::OPT_mwindows)) {
228 CmdArgs.push_back("-lgdi32");
229 CmdArgs.push_back("-lcomdlg32");
231 CmdArgs.push_back("-ladvapi32");
232 CmdArgs.push_back("-lshell32");
233 CmdArgs.push_back("-luser32");
234 CmdArgs.push_back("-lkernel32");
236 if (Args.hasArg(options::OPT_static))
237 CmdArgs.push_back("--end-group");
239 AddLibGCC(Args, CmdArgs);
242 if (!Args.hasArg(options::OPT_nostartfiles)) {
243 // Add crtfastmath.o if available and fast math is enabled.
244 TC.AddFastMathRuntimeIfAvailable(Args, CmdArgs);
246 CmdArgs.push_back(Args.MakeArgString(TC.GetFilePath("crtend.o")));
249 const char *Exec = Args.MakeArgString(TC.GetLinkerPath());
250 C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs, Inputs));
253 // Simplified from Generic_GCC::GCCInstallationDetector::ScanLibDirForGCCTriple.
254 static bool findGccVersion(StringRef LibDir, std::string &GccLibDir,
256 auto Version = toolchains::Generic_GCC::GCCVersion::Parse("0.0.0");
258 for (llvm::sys::fs::directory_iterator LI(LibDir, EC), LE; !EC && LI != LE;
259 LI = LI.increment(EC)) {
260 StringRef VersionText = llvm::sys::path::filename(LI->path());
261 auto CandidateVersion =
262 toolchains::Generic_GCC::GCCVersion::Parse(VersionText);
263 if (CandidateVersion.Major == -1)
265 if (CandidateVersion <= Version)
268 GccLibDir = LI->path();
273 void toolchains::MinGW::findGccLibDir() {
274 llvm::SmallVector<llvm::SmallString<32>, 2> Archs;
275 Archs.emplace_back(getTriple().getArchName());
276 Archs[0] += "-w64-mingw32";
277 Archs.emplace_back("mingw32");
278 Arch = Archs[0].str();
279 // lib: Arch Linux, Ubuntu, Windows
280 // lib64: openSUSE Linux
281 for (StringRef CandidateLib : {"lib", "lib64"}) {
282 for (StringRef CandidateArch : Archs) {
283 llvm::SmallString<1024> LibDir(Base);
284 llvm::sys::path::append(LibDir, CandidateLib, "gcc", CandidateArch);
285 if (findGccVersion(LibDir, GccLibDir, Ver)) {
286 Arch = CandidateArch;
293 llvm::ErrorOr<std::string> toolchains::MinGW::findGcc() {
294 llvm::SmallVector<llvm::SmallString<32>, 2> Gccs;
295 Gccs.emplace_back(getTriple().getArchName());
296 Gccs[0] += "-w64-mingw32-gcc";
297 Gccs.emplace_back("mingw32-gcc");
298 // Please do not add "gcc" here
299 for (StringRef CandidateGcc : Gccs)
300 if (llvm::ErrorOr<std::string> GPPName = llvm::sys::findProgramByName(CandidateGcc))
302 return make_error_code(std::errc::no_such_file_or_directory);
305 toolchains::MinGW::MinGW(const Driver &D, const llvm::Triple &Triple,
307 : ToolChain(D, Triple, Args), CudaInstallation(D, Triple, Args) {
308 getProgramPaths().push_back(getDriver().getInstalledDir());
310 if (getDriver().SysRoot.size())
311 Base = getDriver().SysRoot;
312 else if (llvm::ErrorOr<std::string> GPPName = findGcc())
313 Base = llvm::sys::path::parent_path(
314 llvm::sys::path::parent_path(GPPName.get()));
316 Base = llvm::sys::path::parent_path(getDriver().getInstalledDir());
318 Base += llvm::sys::path::get_separator();
320 // GccLibDir must precede Base/lib so that the
321 // correct crtbegin.o ,cetend.o would be found.
322 getFilePaths().push_back(GccLibDir);
323 getFilePaths().push_back(
324 (Base + Arch + llvm::sys::path::get_separator() + "lib").str());
325 getFilePaths().push_back(Base + "lib");
327 getFilePaths().push_back(Base + Arch + "/sys-root/mingw/lib");
330 bool toolchains::MinGW::IsIntegratedAssemblerDefault() const { return true; }
332 Tool *toolchains::MinGW::getTool(Action::ActionClass AC) const {
334 case Action::PreprocessJobClass:
336 Preprocessor.reset(new tools::gcc::Preprocessor(*this));
337 return Preprocessor.get();
338 case Action::CompileJobClass:
340 Compiler.reset(new tools::gcc::Compiler(*this));
341 return Compiler.get();
343 return ToolChain::getTool(AC);
347 Tool *toolchains::MinGW::buildAssembler() const {
348 return new tools::MinGW::Assembler(*this);
351 Tool *toolchains::MinGW::buildLinker() const {
352 return new tools::MinGW::Linker(*this);
355 bool toolchains::MinGW::IsUnwindTablesDefault(const ArgList &Args) const {
356 return getArch() == llvm::Triple::x86_64;
359 bool toolchains::MinGW::isPICDefault() const {
360 return getArch() == llvm::Triple::x86_64;
363 bool toolchains::MinGW::isPIEDefault() const { return false; }
365 bool toolchains::MinGW::isPICDefaultForced() const {
366 return getArch() == llvm::Triple::x86_64;
369 llvm::ExceptionHandling
370 toolchains::MinGW::GetExceptionModel(const ArgList &Args) const {
371 if (getArch() == llvm::Triple::x86_64)
372 return llvm::ExceptionHandling::WinEH;
373 return llvm::ExceptionHandling::DwarfCFI;
376 void toolchains::MinGW::AddCudaIncludeArgs(const ArgList &DriverArgs,
377 ArgStringList &CC1Args) const {
378 CudaInstallation.AddCudaIncludeArgs(DriverArgs, CC1Args);
381 void toolchains::MinGW::printVerboseInfo(raw_ostream &OS) const {
382 CudaInstallation.print(OS);
385 // Include directories for various hosts:
387 // Windows, mingw.org
388 // c:\mingw\lib\gcc\mingw32\4.8.1\include\c++
389 // c:\mingw\lib\gcc\mingw32\4.8.1\include\c++\mingw32
390 // c:\mingw\lib\gcc\mingw32\4.8.1\include\c++\backward
392 // c:\mingw\mingw32\include
394 // Windows, mingw-w64 mingw-builds
395 // c:\mingw32\i686-w64-mingw32\include
396 // c:\mingw32\i686-w64-mingw32\include\c++
397 // c:\mingw32\i686-w64-mingw32\include\c++\i686-w64-mingw32
398 // c:\mingw32\i686-w64-mingw32\include\c++\backward
400 // Windows, mingw-w64 msys2
401 // c:\msys64\mingw32\include
402 // c:\msys64\mingw32\i686-w64-mingw32\include
403 // c:\msys64\mingw32\include\c++\4.9.2
404 // c:\msys64\mingw32\include\c++\4.9.2\i686-w64-mingw32
405 // c:\msys64\mingw32\include\c++\4.9.2\backward
408 // /usr/lib64/gcc/x86_64-w64-mingw32/5.1.0/include/c++
409 // /usr/lib64/gcc/x86_64-w64-mingw32/5.1.0/include/c++/x86_64-w64-mingw32
410 // /usr/lib64/gcc/x86_64-w64-mingw32/5.1.0/include/c++/backward
411 // /usr/x86_64-w64-mingw32/sys-root/mingw/include
414 // /usr/i686-w64-mingw32/include/c++/5.1.0
415 // /usr/i686-w64-mingw32/include/c++/5.1.0/i686-w64-mingw32
416 // /usr/i686-w64-mingw32/include/c++/5.1.0/backward
417 // /usr/i686-w64-mingw32/include
420 // /usr/include/c++/4.8
421 // /usr/include/c++/4.8/x86_64-w64-mingw32
422 // /usr/include/c++/4.8/backward
423 // /usr/x86_64-w64-mingw32/include
425 void toolchains::MinGW::AddClangSystemIncludeArgs(const ArgList &DriverArgs,
426 ArgStringList &CC1Args) const {
427 if (DriverArgs.hasArg(options::OPT_nostdinc))
430 if (!DriverArgs.hasArg(options::OPT_nobuiltininc)) {
431 SmallString<1024> P(getDriver().ResourceDir);
432 llvm::sys::path::append(P, "include");
433 addSystemInclude(DriverArgs, CC1Args, P.str());
436 if (DriverArgs.hasArg(options::OPT_nostdlibinc))
439 if (GetRuntimeLibType(DriverArgs) == ToolChain::RLT_Libgcc) {
441 addSystemInclude(DriverArgs, CC1Args,
442 Base + Arch + "/sys-root/mingw/include");
445 addSystemInclude(DriverArgs, CC1Args,
446 Base + Arch + llvm::sys::path::get_separator() + "include");
447 addSystemInclude(DriverArgs, CC1Args, Base + "include");
450 void toolchains::MinGW::AddClangCXXStdlibIncludeArgs(
451 const ArgList &DriverArgs, ArgStringList &CC1Args) const {
452 if (DriverArgs.hasArg(options::OPT_nostdlibinc) ||
453 DriverArgs.hasArg(options::OPT_nostdincxx))
456 switch (GetCXXStdlibType(DriverArgs)) {
457 case ToolChain::CST_Libcxx:
458 addSystemInclude(DriverArgs, CC1Args,
459 Base + "include" + llvm::sys::path::get_separator() +
460 "c++" + llvm::sys::path::get_separator() + "v1");
463 case ToolChain::CST_Libstdcxx:
464 llvm::SmallVector<llvm::SmallString<1024>, 4> CppIncludeBases;
465 CppIncludeBases.emplace_back(Base);
466 llvm::sys::path::append(CppIncludeBases[0], Arch, "include", "c++");
467 CppIncludeBases.emplace_back(Base);
468 llvm::sys::path::append(CppIncludeBases[1], Arch, "include", "c++", Ver);
469 CppIncludeBases.emplace_back(Base);
470 llvm::sys::path::append(CppIncludeBases[2], "include", "c++", Ver);
471 CppIncludeBases.emplace_back(GccLibDir);
472 llvm::sys::path::append(CppIncludeBases[3], "include", "c++");
473 for (auto &CppIncludeBase : CppIncludeBases) {
474 addSystemInclude(DriverArgs, CC1Args, CppIncludeBase);
475 CppIncludeBase += llvm::sys::path::get_separator();
476 addSystemInclude(DriverArgs, CC1Args, CppIncludeBase + Arch);
477 addSystemInclude(DriverArgs, CC1Args, CppIncludeBase + "backward");