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_static))
145 CmdArgs.push_back("-Bstatic");
147 if (Args.hasArg(options::OPT_mdll))
148 CmdArgs.push_back("--dll");
149 else if (Args.hasArg(options::OPT_shared))
150 CmdArgs.push_back("--shared");
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");
162 CmdArgs.push_back("-o");
163 CmdArgs.push_back(Output.getFilename());
165 Args.AddAllArgs(CmdArgs, options::OPT_e);
166 // FIXME: add -N, -n flags
167 Args.AddLastArg(CmdArgs, options::OPT_r);
168 Args.AddLastArg(CmdArgs, options::OPT_s);
169 Args.AddLastArg(CmdArgs, options::OPT_t);
170 Args.AddAllArgs(CmdArgs, options::OPT_u_Group);
171 Args.AddLastArg(CmdArgs, options::OPT_Z_Flag);
173 if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nostartfiles)) {
174 if (Args.hasArg(options::OPT_shared) || Args.hasArg(options::OPT_mdll)) {
175 CmdArgs.push_back(Args.MakeArgString(TC.GetFilePath("dllcrt2.o")));
177 if (Args.hasArg(options::OPT_municode))
178 CmdArgs.push_back(Args.MakeArgString(TC.GetFilePath("crt2u.o")));
180 CmdArgs.push_back(Args.MakeArgString(TC.GetFilePath("crt2.o")));
182 if (Args.hasArg(options::OPT_pg))
183 CmdArgs.push_back(Args.MakeArgString(TC.GetFilePath("gcrt2.o")));
184 CmdArgs.push_back(Args.MakeArgString(TC.GetFilePath("crtbegin.o")));
187 Args.AddAllArgs(CmdArgs, options::OPT_L);
188 TC.AddFilePathLibArgs(Args, CmdArgs);
189 AddLinkerInputs(TC, Inputs, Args, CmdArgs, JA);
191 // TODO: Add ASan stuff here
193 // TODO: Add profile stuff here
195 if (TC.ShouldLinkCXXStdlib(Args)) {
196 bool OnlyLibstdcxxStatic = Args.hasArg(options::OPT_static_libstdcxx) &&
197 !Args.hasArg(options::OPT_static);
198 if (OnlyLibstdcxxStatic)
199 CmdArgs.push_back("-Bstatic");
200 TC.AddCXXStdlibLibArgs(Args, CmdArgs);
201 if (OnlyLibstdcxxStatic)
202 CmdArgs.push_back("-Bdynamic");
205 if (!Args.hasArg(options::OPT_nostdlib)) {
206 if (!Args.hasArg(options::OPT_nodefaultlibs)) {
207 if (Args.hasArg(options::OPT_static))
208 CmdArgs.push_back("--start-group");
210 if (Args.hasArg(options::OPT_fstack_protector) ||
211 Args.hasArg(options::OPT_fstack_protector_strong) ||
212 Args.hasArg(options::OPT_fstack_protector_all)) {
213 CmdArgs.push_back("-lssp_nonshared");
214 CmdArgs.push_back("-lssp");
216 if (Args.hasArg(options::OPT_fopenmp))
217 CmdArgs.push_back("-lgomp");
219 AddLibGCC(Args, CmdArgs);
221 if (Args.hasArg(options::OPT_pg))
222 CmdArgs.push_back("-lgmon");
224 if (Args.hasArg(options::OPT_pthread))
225 CmdArgs.push_back("-lpthread");
227 // add system libraries
228 if (Args.hasArg(options::OPT_mwindows)) {
229 CmdArgs.push_back("-lgdi32");
230 CmdArgs.push_back("-lcomdlg32");
232 CmdArgs.push_back("-ladvapi32");
233 CmdArgs.push_back("-lshell32");
234 CmdArgs.push_back("-luser32");
235 CmdArgs.push_back("-lkernel32");
237 if (Args.hasArg(options::OPT_static))
238 CmdArgs.push_back("--end-group");
240 AddLibGCC(Args, CmdArgs);
243 if (!Args.hasArg(options::OPT_nostartfiles)) {
244 // Add crtfastmath.o if available and fast math is enabled.
245 TC.AddFastMathRuntimeIfAvailable(Args, CmdArgs);
247 CmdArgs.push_back(Args.MakeArgString(TC.GetFilePath("crtend.o")));
250 const char *Exec = Args.MakeArgString(TC.GetLinkerPath());
251 C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs, Inputs));
254 // Simplified from Generic_GCC::GCCInstallationDetector::ScanLibDirForGCCTriple.
255 static bool findGccVersion(StringRef LibDir, std::string &GccLibDir,
257 auto Version = toolchains::Generic_GCC::GCCVersion::Parse("0.0.0");
259 for (llvm::sys::fs::directory_iterator LI(LibDir, EC), LE; !EC && LI != LE;
260 LI = LI.increment(EC)) {
261 StringRef VersionText = llvm::sys::path::filename(LI->path());
262 auto CandidateVersion =
263 toolchains::Generic_GCC::GCCVersion::Parse(VersionText);
264 if (CandidateVersion.Major == -1)
266 if (CandidateVersion <= Version)
269 GccLibDir = LI->path();
274 void toolchains::MinGW::findGccLibDir() {
275 llvm::SmallVector<llvm::SmallString<32>, 2> Archs;
276 Archs.emplace_back(getTriple().getArchName());
277 Archs[0] += "-w64-mingw32";
278 Archs.emplace_back("mingw32");
279 Arch = Archs[0].str();
280 // lib: Arch Linux, Ubuntu, Windows
281 // lib64: openSUSE Linux
282 for (StringRef CandidateLib : {"lib", "lib64"}) {
283 for (StringRef CandidateArch : Archs) {
284 llvm::SmallString<1024> LibDir(Base);
285 llvm::sys::path::append(LibDir, CandidateLib, "gcc", CandidateArch);
286 if (findGccVersion(LibDir, GccLibDir, Ver)) {
287 Arch = CandidateArch;
294 llvm::ErrorOr<std::string> toolchains::MinGW::findGcc() {
295 llvm::SmallVector<llvm::SmallString<32>, 2> Gccs;
296 Gccs.emplace_back(getTriple().getArchName());
297 Gccs[0] += "-w64-mingw32-gcc";
298 Gccs.emplace_back("mingw32-gcc");
299 // Please do not add "gcc" here
300 for (StringRef CandidateGcc : Gccs)
301 if (llvm::ErrorOr<std::string> GPPName = llvm::sys::findProgramByName(CandidateGcc))
303 return make_error_code(std::errc::no_such_file_or_directory);
306 toolchains::MinGW::MinGW(const Driver &D, const llvm::Triple &Triple,
308 : ToolChain(D, Triple, Args), CudaInstallation(D, Triple, Args) {
309 getProgramPaths().push_back(getDriver().getInstalledDir());
311 if (getDriver().SysRoot.size())
312 Base = getDriver().SysRoot;
313 else if (llvm::ErrorOr<std::string> GPPName = findGcc())
314 Base = llvm::sys::path::parent_path(
315 llvm::sys::path::parent_path(GPPName.get()));
317 Base = llvm::sys::path::parent_path(getDriver().getInstalledDir());
319 Base += llvm::sys::path::get_separator();
321 // GccLibDir must precede Base/lib so that the
322 // correct crtbegin.o ,cetend.o would be found.
323 getFilePaths().push_back(GccLibDir);
324 getFilePaths().push_back(
325 (Base + Arch + llvm::sys::path::get_separator() + "lib").str());
326 getFilePaths().push_back(Base + "lib");
328 getFilePaths().push_back(Base + Arch + "/sys-root/mingw/lib");
331 bool toolchains::MinGW::IsIntegratedAssemblerDefault() const { return true; }
333 Tool *toolchains::MinGW::getTool(Action::ActionClass AC) const {
335 case Action::PreprocessJobClass:
337 Preprocessor.reset(new tools::gcc::Preprocessor(*this));
338 return Preprocessor.get();
339 case Action::CompileJobClass:
341 Compiler.reset(new tools::gcc::Compiler(*this));
342 return Compiler.get();
344 return ToolChain::getTool(AC);
348 Tool *toolchains::MinGW::buildAssembler() const {
349 return new tools::MinGW::Assembler(*this);
352 Tool *toolchains::MinGW::buildLinker() const {
353 return new tools::MinGW::Linker(*this);
356 bool toolchains::MinGW::IsUnwindTablesDefault(const ArgList &Args) const {
357 return getArch() == llvm::Triple::x86_64;
360 bool toolchains::MinGW::isPICDefault() const {
361 return getArch() == llvm::Triple::x86_64;
364 bool toolchains::MinGW::isPIEDefault() const { return false; }
366 bool toolchains::MinGW::isPICDefaultForced() const {
367 return getArch() == llvm::Triple::x86_64;
370 llvm::ExceptionHandling
371 toolchains::MinGW::GetExceptionModel(const ArgList &Args) const {
372 if (getArch() == llvm::Triple::x86_64)
373 return llvm::ExceptionHandling::WinEH;
374 return llvm::ExceptionHandling::DwarfCFI;
377 void toolchains::MinGW::AddCudaIncludeArgs(const ArgList &DriverArgs,
378 ArgStringList &CC1Args) const {
379 CudaInstallation.AddCudaIncludeArgs(DriverArgs, CC1Args);
382 void toolchains::MinGW::printVerboseInfo(raw_ostream &OS) const {
383 CudaInstallation.print(OS);
386 // Include directories for various hosts:
388 // Windows, mingw.org
389 // c:\mingw\lib\gcc\mingw32\4.8.1\include\c++
390 // c:\mingw\lib\gcc\mingw32\4.8.1\include\c++\mingw32
391 // c:\mingw\lib\gcc\mingw32\4.8.1\include\c++\backward
393 // c:\mingw\mingw32\include
395 // Windows, mingw-w64 mingw-builds
396 // c:\mingw32\i686-w64-mingw32\include
397 // c:\mingw32\i686-w64-mingw32\include\c++
398 // c:\mingw32\i686-w64-mingw32\include\c++\i686-w64-mingw32
399 // c:\mingw32\i686-w64-mingw32\include\c++\backward
401 // Windows, mingw-w64 msys2
402 // c:\msys64\mingw32\include
403 // c:\msys64\mingw32\i686-w64-mingw32\include
404 // c:\msys64\mingw32\include\c++\4.9.2
405 // c:\msys64\mingw32\include\c++\4.9.2\i686-w64-mingw32
406 // c:\msys64\mingw32\include\c++\4.9.2\backward
409 // /usr/lib64/gcc/x86_64-w64-mingw32/5.1.0/include/c++
410 // /usr/lib64/gcc/x86_64-w64-mingw32/5.1.0/include/c++/x86_64-w64-mingw32
411 // /usr/lib64/gcc/x86_64-w64-mingw32/5.1.0/include/c++/backward
412 // /usr/x86_64-w64-mingw32/sys-root/mingw/include
415 // /usr/i686-w64-mingw32/include/c++/5.1.0
416 // /usr/i686-w64-mingw32/include/c++/5.1.0/i686-w64-mingw32
417 // /usr/i686-w64-mingw32/include/c++/5.1.0/backward
418 // /usr/i686-w64-mingw32/include
421 // /usr/include/c++/4.8
422 // /usr/include/c++/4.8/x86_64-w64-mingw32
423 // /usr/include/c++/4.8/backward
424 // /usr/x86_64-w64-mingw32/include
426 void toolchains::MinGW::AddClangSystemIncludeArgs(const ArgList &DriverArgs,
427 ArgStringList &CC1Args) const {
428 if (DriverArgs.hasArg(options::OPT_nostdinc))
431 if (!DriverArgs.hasArg(options::OPT_nobuiltininc)) {
432 SmallString<1024> P(getDriver().ResourceDir);
433 llvm::sys::path::append(P, "include");
434 addSystemInclude(DriverArgs, CC1Args, P.str());
437 if (DriverArgs.hasArg(options::OPT_nostdlibinc))
440 if (GetRuntimeLibType(DriverArgs) == ToolChain::RLT_Libgcc) {
442 addSystemInclude(DriverArgs, CC1Args,
443 Base + Arch + "/sys-root/mingw/include");
446 addSystemInclude(DriverArgs, CC1Args,
447 Base + Arch + llvm::sys::path::get_separator() + "include");
448 addSystemInclude(DriverArgs, CC1Args, Base + "include");
451 void toolchains::MinGW::AddClangCXXStdlibIncludeArgs(
452 const ArgList &DriverArgs, ArgStringList &CC1Args) const {
453 if (DriverArgs.hasArg(options::OPT_nostdlibinc) ||
454 DriverArgs.hasArg(options::OPT_nostdincxx))
457 switch (GetCXXStdlibType(DriverArgs)) {
458 case ToolChain::CST_Libcxx:
459 addSystemInclude(DriverArgs, CC1Args,
460 Base + "include" + llvm::sys::path::get_separator() +
461 "c++" + llvm::sys::path::get_separator() + "v1");
464 case ToolChain::CST_Libstdcxx:
465 llvm::SmallVector<llvm::SmallString<1024>, 4> CppIncludeBases;
466 CppIncludeBases.emplace_back(Base);
467 llvm::sys::path::append(CppIncludeBases[0], Arch, "include", "c++");
468 CppIncludeBases.emplace_back(Base);
469 llvm::sys::path::append(CppIncludeBases[1], Arch, "include", "c++", Ver);
470 CppIncludeBases.emplace_back(Base);
471 llvm::sys::path::append(CppIncludeBases[2], "include", "c++", Ver);
472 CppIncludeBases.emplace_back(GccLibDir);
473 llvm::sys::path::append(CppIncludeBases[3], "include", "c++");
474 for (auto &CppIncludeBase : CppIncludeBases) {
475 addSystemInclude(DriverArgs, CC1Args, CppIncludeBase);
476 CppIncludeBase += llvm::sys::path::get_separator();
477 addSystemInclude(DriverArgs, CC1Args, CppIncludeBase + Arch);
478 addSystemInclude(DriverArgs, CC1Args, CppIncludeBase + "backward");