clang 10.0.0git

ToolChain.cpp
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1 //===- ToolChain.cpp - Collections of tools for one platform --------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8
9 #include "clang/Driver/ToolChain.h"
10 #include "InputInfo.h"
11 #include "ToolChains/Arch/ARM.h"
12 #include "ToolChains/Clang.h"
13 #include "ToolChains/InterfaceStubs.h"
14 #include "ToolChains/Flang.h"
15 #include "clang/Basic/ObjCRuntime.h"
16 #include "clang/Basic/Sanitizers.h"
17 #include "clang/Config/config.h"
18 #include "clang/Driver/Action.h"
19 #include "clang/Driver/Driver.h"
20 #include "clang/Driver/DriverDiagnostic.h"
21 #include "clang/Driver/Job.h"
22 #include "clang/Driver/Options.h"
23 #include "clang/Driver/SanitizerArgs.h"
24 #include "clang/Driver/XRayArgs.h"
25 #include "llvm/ADT/STLExtras.h"
26 #include "llvm/ADT/SmallString.h"
27 #include "llvm/ADT/StringRef.h"
28 #include "llvm/ADT/Triple.h"
29 #include "llvm/ADT/Twine.h"
30 #include "llvm/Config/llvm-config.h"
31 #include "llvm/MC/MCTargetOptions.h"
32 #include "llvm/Option/Arg.h"
33 #include "llvm/Option/ArgList.h"
34 #include "llvm/Option/OptTable.h"
35 #include "llvm/Option/Option.h"
36 #include "llvm/Support/ErrorHandling.h"
37 #include "llvm/Support/FileSystem.h"
38 #include "llvm/Support/Path.h"
39 #include "llvm/Support/TargetParser.h"
40 #include "llvm/Support/TargetRegistry.h"
41 #include "llvm/Support/VersionTuple.h"
42 #include "llvm/Support/VirtualFileSystem.h"
43 #include <cassert>
44 #include <cstddef>
45 #include <cstring>
46 #include <string>
47
48 using namespace clang;
49 using namespace driver;
50 using namespace tools;
51 using namespace llvm;
52 using namespace llvm::opt;
53
54 static llvm::opt::Arg *GetRTTIArgument(const ArgList &Args) {
55 return Args.getLastArg(options::OPT_mkernel, options::OPT_fapple_kext,
56 options::OPT_fno_rtti, options::OPT_frtti);
57 }
58
59 static ToolChain::RTTIMode CalculateRTTIMode(const ArgList &Args,
60 const llvm::Triple &Triple,
61 const Arg *CachedRTTIArg) {
62 // Explicit rtti/no-rtti args
63 if (CachedRTTIArg) {
64 if (CachedRTTIArg->getOption().matches(options::OPT_frtti))
65 return ToolChain::RM_Enabled;
66 else
67 return ToolChain::RM_Disabled;
68 }
69
70 // -frtti is default, except for the PS4 CPU.
71 return (Triple.isPS4CPU()) ? ToolChain::RM_Disabled : ToolChain::RM_Enabled;
72 }
73
74 ToolChain::ToolChain(const Driver &D, const llvm::Triple &T,
75 const ArgList &Args)
76 : D(D), Triple(T), Args(Args), CachedRTTIArg(GetRTTIArgument(Args)),
77 CachedRTTIMode(CalculateRTTIMode(Args, Triple, CachedRTTIArg)) {
78 if (D.CCCIsCXX()) {
79 if (auto CXXStdlibPath = getCXXStdlibPath())
80 getFilePaths().push_back(*CXXStdlibPath);
81 }
82
83 if (auto RuntimePath = getRuntimePath())
84 getLibraryPaths().push_back(*RuntimePath);
85
86 std::string CandidateLibPath = getArchSpecificLibPath();
87 if (getVFS().exists(CandidateLibPath))
88 getFilePaths().push_back(CandidateLibPath);
89 }
90
91 void ToolChain::setTripleEnvironment(llvm::Triple::EnvironmentType Env) {
92 Triple.setEnvironment(Env);
93 if (EffectiveTriple != llvm::Triple())
94 EffectiveTriple.setEnvironment(Env);
95 }
96
97 ToolChain::~ToolChain() = default;
98
99 llvm::vfs::FileSystem &ToolChain::getVFS() const {
100 return getDriver().getVFS();
101 }
102
103 bool ToolChain::useIntegratedAs() const {
104 return Args.hasFlag(options::OPT_fintegrated_as,
105 options::OPT_fno_integrated_as,
106 IsIntegratedAssemblerDefault());
107 }
108
109 bool ToolChain::useRelaxRelocations() const {
110 return ENABLE_X86_RELAX_RELOCATIONS;
111 }
112
113 bool ToolChain::isNoExecStackDefault() const {
114 return false;
115 }
116
117 const SanitizerArgs& ToolChain::getSanitizerArgs() const {
118 if (!SanitizerArguments.get())
119 SanitizerArguments.reset(new SanitizerArgs(*this, Args));
120 return *SanitizerArguments.get();
121 }
122
123 const XRayArgs& ToolChain::getXRayArgs() const {
124 if (!XRayArguments.get())
125 XRayArguments.reset(new XRayArgs(*this, Args));
126 return *XRayArguments.get();
127 }
128
129 namespace {
130
131 struct DriverSuffix {
132 const char *Suffix;
133 const char *ModeFlag;
134 };
135
136 } // namespace
137
138 static const DriverSuffix *FindDriverSuffix(StringRef ProgName, size_t &Pos) {
139 // A list of known driver suffixes. Suffixes are compared against the
140 // program name in order. If there is a match, the frontend type is updated as
141 // necessary by applying the ModeFlag.
142 static const DriverSuffix DriverSuffixes[] = {
143 {"clang", nullptr},
144 {"clang++", "--driver-mode=g++"},
145 {"clang-c++", "--driver-mode=g++"},
146 {"clang-cc", nullptr},
147 {"clang-cpp", "--driver-mode=cpp"},
148 {"clang-g++", "--driver-mode=g++"},
149 {"clang-gcc", nullptr},
150 {"clang-cl", "--driver-mode=cl"},
151 {"cc", nullptr},
152 {"cpp", "--driver-mode=cpp"},
153 {"cl", "--driver-mode=cl"},
154 {"++", "--driver-mode=g++"},
155 {"flang", "--driver-mode=flang"},
156 };
157
158 for (size_t i = 0; i < llvm::array_lengthof(DriverSuffixes); ++i) {
159 StringRef Suffix(DriverSuffixes[i].Suffix);
160 if (ProgName.endswith(Suffix)) {
161 Pos = ProgName.size() - Suffix.size();
162 return &DriverSuffixes[i];
163 }
164 }
165 return nullptr;
166 }
167
168 /// Normalize the program name from argv[0] by stripping the file extension if
169 /// present and lower-casing the string on Windows.
170 static std::string normalizeProgramName(llvm::StringRef Argv0) {
171 std::string ProgName = llvm::sys::path::stem(Argv0);
172 #ifdef _WIN32
173 // Transform to lowercase for case insensitive file systems.
174 std::transform(ProgName.begin(), ProgName.end(), ProgName.begin(), ::tolower);
175 #endif
176 return ProgName;
177 }
178
179 static const DriverSuffix *parseDriverSuffix(StringRef ProgName, size_t &Pos) {
180 // Try to infer frontend type and default target from the program name by
181 // comparing it against DriverSuffixes in order.
182
183 // If there is a match, the function tries to identify a target as prefix.
184 // E.g. "x86_64-linux-clang" as interpreted as suffix "clang" with target
185 // prefix "x86_64-linux". If such a target prefix is found, it may be
186 // added via -target as implicit first argument.
187 const DriverSuffix *DS = FindDriverSuffix(ProgName, Pos);
188
189 if (!DS) {
190 // Try again after stripping any trailing version number:
191 // clang++3.5 -> clang++
192 ProgName = ProgName.rtrim("0123456789.");
193 DS = FindDriverSuffix(ProgName, Pos);
194 }
195
196 if (!DS) {
197 // Try again after stripping trailing -component.
198 // clang++-tot -> clang++
199 ProgName = ProgName.slice(0, ProgName.rfind('-'));
200 DS = FindDriverSuffix(ProgName, Pos);
201 }
202 return DS;
203 }
204
205 ParsedClangName
206 ToolChain::getTargetAndModeFromProgramName(StringRef PN) {
207 std::string ProgName = normalizeProgramName(PN);
208 size_t SuffixPos;
209 const DriverSuffix *DS = parseDriverSuffix(ProgName, SuffixPos);
210 if (!DS)
211 return {};
212 size_t SuffixEnd = SuffixPos + strlen(DS->Suffix);
213
214 size_t LastComponent = ProgName.rfind('-', SuffixPos);
215 if (LastComponent == std::string::npos)
216 return ParsedClangName(ProgName.substr(0, SuffixEnd), DS->ModeFlag);
217 std::string ModeSuffix = ProgName.substr(LastComponent + 1,
218 SuffixEnd - LastComponent - 1);
219
220 // Infer target from the prefix.
221 StringRef Prefix(ProgName);
222 Prefix = Prefix.slice(0, LastComponent);
223 std::string IgnoredError;
224 bool IsRegistered = llvm::TargetRegistry::lookupTarget(Prefix, IgnoredError);
225 return ParsedClangName{Prefix, ModeSuffix, DS->ModeFlag, IsRegistered};
226 }
227
228 StringRef ToolChain::getDefaultUniversalArchName() const {
229 // In universal driver terms, the arch name accepted by -arch isn't exactly
230 // the same as the ones that appear in the triple. Roughly speaking, this is
231 // an inverse of the darwin::getArchTypeForDarwinArchName() function, but the
232 // only interesting special case is powerpc.
233 switch (Triple.getArch()) {
234 case llvm::Triple::ppc:
235 return "ppc";
236 case llvm::Triple::ppc64:
237 return "ppc64";
238 case llvm::Triple::ppc64le:
239 return "ppc64le";
240 default:
241 return Triple.getArchName();
242 }
243 }
244
245 std::string ToolChain::getInputFilename(const InputInfo &Input) const {
246 return Input.getFilename();
247 }
248
249 bool ToolChain::IsUnwindTablesDefault(const ArgList &Args) const {
250 return false;
251 }
252
253 Tool *ToolChain::getClang() const {
254 if (!Clang)
255 Clang.reset(new tools::Clang(*this));
256 return Clang.get();
257 }
258
259 Tool *ToolChain::getFlang() const {
260 if (!Flang)
261 Flang.reset(new tools::Flang(*this));
262 return Flang.get();
263 }
264
265 Tool *ToolChain::buildAssembler() const {
266 return new tools::ClangAs(*this);
267 }
268
269 Tool *ToolChain::buildLinker() const {
270 llvm_unreachable("Linking is not supported by this toolchain");
271 }
272
273 Tool *ToolChain::getAssemble() const {
274 if (!Assemble)
275 Assemble.reset(buildAssembler());
276 return Assemble.get();
277 }
278
279 Tool *ToolChain::getClangAs() const {
280 if (!Assemble)
281 Assemble.reset(new tools::ClangAs(*this));
282 return Assemble.get();
283 }
284
285 Tool *ToolChain::getLink() const {
286 if (!Link)
287 Link.reset(buildLinker());
288 return Link.get();
289 }
290
291 Tool *ToolChain::getIfsMerge() const {
292 if (!IfsMerge)
293 IfsMerge.reset(new tools::ifstool::Merger(*this));
294 return IfsMerge.get();
295 }
296
297 Tool *ToolChain::getOffloadBundler() const {
298 if (!OffloadBundler)
299 OffloadBundler.reset(new tools::OffloadBundler(*this));
300 return OffloadBundler.get();
301 }
302
303 Tool *ToolChain::getOffloadWrapper() const {
304 if (!OffloadWrapper)
305 OffloadWrapper.reset(new tools::OffloadWrapper(*this));
306 return OffloadWrapper.get();
307 }
308
309 Tool *ToolChain::getTool(Action::ActionClass AC) const {
310 switch (AC) {
311 case Action::AssembleJobClass:
312 return getAssemble();
313
314 case Action::IfsMergeJobClass:
315 return getIfsMerge();
316
317 case Action::LinkJobClass:
318 return getLink();
319
320 case Action::InputClass:
321 case Action::BindArchClass:
322 case Action::OffloadClass:
323 case Action::LipoJobClass:
324 case Action::DsymutilJobClass:
325 case Action::VerifyDebugInfoJobClass:
326 llvm_unreachable("Invalid tool kind.");
327
328 case Action::CompileJobClass:
329 case Action::PrecompileJobClass:
330 case Action::HeaderModulePrecompileJobClass:
331 case Action::PreprocessJobClass:
332 case Action::AnalyzeJobClass:
333 case Action::MigrateJobClass:
334 case Action::VerifyPCHJobClass:
335 case Action::BackendJobClass:
336 return getClang();
337
338 case Action::OffloadBundlingJobClass:
339 case Action::OffloadUnbundlingJobClass:
340 return getOffloadBundler();
341
342 case Action::OffloadWrapperJobClass:
343 return getOffloadWrapper();
344 }
345
346 llvm_unreachable("Invalid tool kind.");
347 }
348
349 static StringRef getArchNameForCompilerRTLib(const ToolChain &TC,
350 const ArgList &Args) {
351 const llvm::Triple &Triple = TC.getTriple();
352 bool IsWindows = Triple.isOSWindows();
353
354 if (TC.getArch() == llvm::Triple::arm || TC.getArch() == llvm::Triple::armeb)
355 return (arm::getARMFloatABI(TC, Args) == arm::FloatABI::Hard && !IsWindows)
356 ? "armhf"
357 : "arm";
358
359 // For historic reasons, Android library is using i686 instead of i386.
360 if (TC.getArch() == llvm::Triple::x86 && Triple.isAndroid())
361 return "i686";
362
363 return llvm::Triple::getArchTypeName(TC.getArch());
364 }
365
366 StringRef ToolChain::getOSLibName() const {
367 switch (Triple.getOS()) {
368 case llvm::Triple::FreeBSD:
369 return "freebsd";
370 case llvm::Triple::NetBSD:
371 return "netbsd";
372 case llvm::Triple::OpenBSD:
373 return "openbsd";
374 case llvm::Triple::Solaris:
375 return "sunos";
376 default:
377 return getOS();
378 }
379 }
380
381 std::string ToolChain::getCompilerRTPath() const {
382 SmallString<128> Path(getDriver().ResourceDir);
383 if (Triple.isOSUnknown()) {
384 llvm::sys::path::append(Path, "lib");
385 } else {
386 llvm::sys::path::append(Path, "lib", getOSLibName());
387 }
388 return Path.str();
389 }
390
391 std::string ToolChain::getCompilerRT(const ArgList &Args, StringRef Component,
392 FileType Type) const {
393 const llvm::Triple &TT = getTriple();
394 bool IsITANMSVCWindows =
395 TT.isWindowsMSVCEnvironment() || TT.isWindowsItaniumEnvironment();
396
397 const char *Prefix =
398 IsITANMSVCWindows || Type == ToolChain::FT_Object ? "" : "lib";
399 const char *Suffix;
400 switch (Type) {
401 case ToolChain::FT_Object:
402 Suffix = IsITANMSVCWindows ? ".obj" : ".o";
403 break;
404 case ToolChain::FT_Static:
405 Suffix = IsITANMSVCWindows ? ".lib" : ".a";
406 break;
407 case ToolChain::FT_Shared:
408 Suffix = Triple.isOSWindows()
409 ? (Triple.isWindowsGNUEnvironment() ? ".dll.a" : ".lib")
410 : ".so";
411 break;
412 }
413
414 for (const auto &LibPath : getLibraryPaths()) {
415 SmallString<128> P(LibPath);
416 llvm::sys::path::append(P, Prefix + Twine("clang_rt.") + Component + Suffix);
417 if (getVFS().exists(P))
418 return P.str();
419 }
420
421 StringRef Arch = getArchNameForCompilerRTLib(*this, Args);
422 const char *Env = TT.isAndroid() ? "-android" : "";
423 SmallString<128> Path(getCompilerRTPath());
424 llvm::sys::path::append(Path, Prefix + Twine("clang_rt.") + Component + "-" +
425 Arch + Env + Suffix);
426 return Path.str();
427 }
428
429 const char *ToolChain::getCompilerRTArgString(const llvm::opt::ArgList &Args,
430 StringRef Component,
431 FileType Type) const {
432 return Args.MakeArgString(getCompilerRT(Args, Component, Type));
433 }
434
435
436 Optional<std::string> ToolChain::getRuntimePath() const {
437 SmallString<128> P;
438
439 // First try the triple passed to driver as --target=<triple>.
440 P.assign(D.ResourceDir);
441 llvm::sys::path::append(P, "lib", D.getTargetTriple());
442 if (getVFS().exists(P))
443 return llvm::Optional<std::string>(P.str());
444
445 // Second try the normalized triple.
446 P.assign(D.ResourceDir);
447 llvm::sys::path::append(P, "lib", Triple.str());
448 if (getVFS().exists(P))
449 return llvm::Optional<std::string>(P.str());
450
451 return None;
452 }
453
454 Optional<std::string> ToolChain::getCXXStdlibPath() const {
455 SmallString<128> P;
456
457 // First try the triple passed to driver as --target=<triple>.
458 P.assign(D.Dir);
459 llvm::sys::path::append(P, "..", "lib", D.getTargetTriple(), "c++");
460 if (getVFS().exists(P))
461 return llvm::Optional<std::string>(P.str());
462
463 // Second try the normalized triple.
464 P.assign(D.Dir);
465 llvm::sys::path::append(P, "..", "lib", Triple.str(), "c++");
466 if (getVFS().exists(P))
467 return llvm::Optional<std::string>(P.str());
468
469 return None;
470 }
471
472 std::string ToolChain::getArchSpecificLibPath() const {
473 SmallString<128> Path(getDriver().ResourceDir);
474 llvm::sys::path::append(Path, "lib", getOSLibName(),
475 llvm::Triple::getArchTypeName(getArch()));
476 return Path.str();
477 }
478
479 bool ToolChain::needsProfileRT(const ArgList &Args) {
480 if (Args.hasArg(options::OPT_noprofilelib))
481 return false;
482
483 if (needsGCovInstrumentation(Args) ||
484 Args.hasArg(options::OPT_fprofile_generate) ||
485 Args.hasArg(options::OPT_fprofile_generate_EQ) ||
486 Args.hasArg(options::OPT_fcs_profile_generate) ||
487 Args.hasArg(options::OPT_fcs_profile_generate_EQ) ||
488 Args.hasArg(options::OPT_fprofile_instr_generate) ||
489 Args.hasArg(options::OPT_fprofile_instr_generate_EQ) ||
490 Args.hasArg(options::OPT_fcreate_profile) ||
491 Args.hasArg(options::OPT_forder_file_instrumentation))
492 return true;
493
494 return false;
495 }
496
497 bool ToolChain::needsGCovInstrumentation(const llvm::opt::ArgList &Args) {
498 return Args.hasFlag(options::OPT_fprofile_arcs, options::OPT_fno_profile_arcs,
499 false) ||
500 Args.hasArg(options::OPT_coverage);
501 }
502
503 Tool *ToolChain::SelectTool(const JobAction &JA) const {
504 if (D.IsFlangMode() && getDriver().ShouldUseFlangCompiler(JA)) return getFlang();
505 if (getDriver().ShouldUseClangCompiler(JA)) return getClang();
506 Action::ActionClass AC = JA.getKind();
507 if (AC == Action::AssembleJobClass && useIntegratedAs())
508 return getClangAs();
509 return getTool(AC);
510 }
511
512 std::string ToolChain::GetFilePath(const char *Name) const {
513 return D.GetFilePath(Name, *this);
514 }
515
516 std::string ToolChain::GetProgramPath(const char *Name) const {
517 return D.GetProgramPath(Name, *this);
518 }
519
520 std::string ToolChain::GetLinkerPath() const {
521 const Arg* A = Args.getLastArg(options::OPT_fuse_ld_EQ);
522 StringRef UseLinker = A ? A->getValue() : CLANG_DEFAULT_LINKER;
523
524 if (llvm::sys::path::is_absolute(UseLinker)) {
525 // If we're passed what looks like an absolute path, don't attempt to
526 // second-guess that.
527 if (llvm::sys::fs::can_execute(UseLinker))
528 return UseLinker;
529 } else if (UseLinker.empty() || UseLinker == "ld") {
530 // If we're passed -fuse-ld= with no argument, or with the argument ld,
531 // then use whatever the default system linker is.
532 return GetProgramPath(getDefaultLinker());
533 } else {
534 llvm::SmallString<8> LinkerName;
535 if (Triple.isOSDarwin())
536 LinkerName.append("ld64.");
537 else
538 LinkerName.append("ld.");
539 LinkerName.append(UseLinker);
540
541 std::string LinkerPath(GetProgramPath(LinkerName.c_str()));
542 if (llvm::sys::fs::can_execute(LinkerPath))
543 return LinkerPath;
544 }
545
546 if (A)
547 getDriver().Diag(diag::err_drv_invalid_linker_name) << A->getAsString(Args);
548
549 return GetProgramPath(getDefaultLinker());
550 }
551
552 types::ID ToolChain::LookupTypeForExtension(StringRef Ext) const {
553 types::ID id = types::lookupTypeForExtension(Ext);
554
555 // Flang always runs the preprocessor and has no notion of "preprocessed
556 // fortran". Here, TY_PP_Fortran is coerced to TY_Fortran to avoid treating
557 // them differently.
558 if (D.IsFlangMode() && id == types::TY_PP_Fortran)
559 id = types::TY_Fortran;
560
561 return id;
562 }
563
564 bool ToolChain::HasNativeLLVMSupport() const {
565 return false;
566 }
567
568 bool ToolChain::isCrossCompiling() const {
569 llvm::Triple HostTriple(LLVM_HOST_TRIPLE);
570 switch (HostTriple.getArch()) {
571 // The A32/T32/T16 instruction sets are not separate architectures in this
572 // context.
573 case llvm::Triple::arm:
574 case llvm::Triple::armeb:
575 case llvm::Triple::thumb:
576 case llvm::Triple::thumbeb:
577 return getArch() != llvm::Triple::arm && getArch() != llvm::Triple::thumb &&
578 getArch() != llvm::Triple::armeb && getArch() != llvm::Triple::thumbeb;
579 default:
580 return HostTriple.getArch() != getArch();
581 }
582 }
583
584 ObjCRuntime ToolChain::getDefaultObjCRuntime(bool isNonFragile) const {
585 return ObjCRuntime(isNonFragile ? ObjCRuntime::GNUstep : ObjCRuntime::GCC,
586 VersionTuple());
587 }
588
589 llvm::ExceptionHandling
590 ToolChain::GetExceptionModel(const llvm::opt::ArgList &Args) const {
591 return llvm::ExceptionHandling::None;
592 }
593
594 bool ToolChain::isThreadModelSupported(const StringRef Model) const {
595 if (Model == "single") {
596 // FIXME: 'single' is only supported on ARM and WebAssembly so far.
597 return Triple.getArch() == llvm::Triple::arm ||
598 Triple.getArch() == llvm::Triple::armeb ||
599 Triple.getArch() == llvm::Triple::thumb ||
600 Triple.getArch() == llvm::Triple::thumbeb ||
601 Triple.getArch() == llvm::Triple::wasm32 ||
602 Triple.getArch() == llvm::Triple::wasm64;
603 } else if (Model == "posix")
604 return true;
605
606 return false;
607 }
608
609 std::string ToolChain::ComputeLLVMTriple(const ArgList &Args,
610 types::ID InputType) const {
611 switch (getTriple().getArch()) {
612 default:
613 return getTripleString();
614
615 case llvm::Triple::x86_64: {
616 llvm::Triple Triple = getTriple();
617 if (!Triple.isOSBinFormatMachO())
618 return getTripleString();
619
620 if (Arg *A = Args.getLastArg(options::OPT_march_EQ)) {
621 // x86_64h goes in the triple. Other -march options just use the
622 // vanilla triple we already have.
623 StringRef MArch = A->getValue();
624 if (MArch == "x86_64h")
625 Triple.setArchName(MArch);
626 }
627 return Triple.getTriple();
628 }
629 case llvm::Triple::aarch64: {
630 llvm::Triple Triple = getTriple();
631 if (!Triple.isOSBinFormatMachO())
632 return getTripleString();
633
634 // FIXME: older versions of ld64 expect the "arm64" component in the actual
635 // triple string and query it to determine whether an LTO file can be
636 // handled. Remove this when we don't care any more.
637 Triple.setArchName("arm64");
638 return Triple.getTriple();
639 }
640 case llvm::Triple::aarch64_32:
641 return getTripleString();
642 case llvm::Triple::arm:
643 case llvm::Triple::armeb:
644 case llvm::Triple::thumb:
645 case llvm::Triple::thumbeb: {
646 // FIXME: Factor into subclasses.
647 llvm::Triple Triple = getTriple();
648 bool IsBigEndian = getTriple().getArch() == llvm::Triple::armeb ||
649 getTriple().getArch() == llvm::Triple::thumbeb;
650
651 // Handle pseudo-target flags '-mlittle-endian'/'-EL' and
652 // '-mbig-endian'/'-EB'.
653 if (Arg *A = Args.getLastArg(options::OPT_mlittle_endian,
654 options::OPT_mbig_endian)) {
655 IsBigEndian = !A->getOption().matches(options::OPT_mlittle_endian);
656 }
657
658 // Thumb2 is the default for V7 on Darwin.
659 //
660 // FIXME: Thumb should just be another -target-feaure, not in the triple.
661 StringRef MCPU, MArch;
662 if (const Arg *A = Args.getLastArg(options::OPT_mcpu_EQ))
663 MCPU = A->getValue();
664 if (const Arg *A = Args.getLastArg(options::OPT_march_EQ))
665 MArch = A->getValue();
666 std::string CPU =
667 Triple.isOSBinFormatMachO()
668 ? tools::arm::getARMCPUForMArch(MArch, Triple).str()
669 : tools::arm::getARMTargetCPU(MCPU, MArch, Triple);
670 StringRef Suffix =
671 tools::arm::getLLVMArchSuffixForARM(CPU, MArch, Triple);
672 bool IsMProfile = ARM::parseArchProfile(Suffix) == ARM::ProfileKind::M;
673 bool ThumbDefault = IsMProfile || (ARM::parseArchVersion(Suffix) == 7 &&
674 getTriple().isOSBinFormatMachO());
675 // FIXME: this is invalid for WindowsCE
676 if (getTriple().isOSWindows())
677 ThumbDefault = true;
678 std::string ArchName;
679 if (IsBigEndian)
680 ArchName = "armeb";
681 else
682 ArchName = "arm";
683
684 // Check if ARM ISA was explicitly selected (using -mno-thumb or -marm) for
685 // M-Class CPUs/architecture variants, which is not supported.
686 bool ARMModeRequested = !Args.hasFlag(options::OPT_mthumb,
687 options::OPT_mno_thumb, ThumbDefault);
688 if (IsMProfile && ARMModeRequested) {
689 if (!MCPU.empty())
690 getDriver().Diag(diag::err_cpu_unsupported_isa) << CPU << "ARM";
691 else
692 getDriver().Diag(diag::err_arch_unsupported_isa)
693 << tools::arm::getARMArch(MArch, getTriple()) << "ARM";
694 }
695
696 // Check to see if an explicit choice to use thumb has been made via
697 // -mthumb. For assembler files we must check for -mthumb in the options
698 // passed to the assembler via -Wa or -Xassembler.
699 bool IsThumb = false;
700 if (InputType != types::TY_PP_Asm)
701 IsThumb = Args.hasFlag(options::OPT_mthumb, options::OPT_mno_thumb,
702 ThumbDefault);
703 else {
704 // Ideally we would check for these flags in
705 // CollectArgsForIntegratedAssembler but we can't change the ArchName at
706 // that point. There is no assembler equivalent of -mno-thumb, -marm, or
707 // -mno-arm.
708 for (const auto *A :
709 Args.filtered(options::OPT_Wa_COMMA, options::OPT_Xassembler)) {
710 for (StringRef Value : A->getValues()) {
711 if (Value == "-mthumb")
712 IsThumb = true;
713 }
714 }
715 }
716 // Assembly files should start in ARM mode, unless arch is M-profile, or
717 // -mthumb has been passed explicitly to the assembler. Windows is always
718 // thumb.
719 if (IsThumb || IsMProfile || getTriple().isOSWindows()) {
720 if (IsBigEndian)
721 ArchName = "thumbeb";
722 else
723 ArchName = "thumb";
724 }
725 Triple.setArchName(ArchName + Suffix.str());
726
727 return Triple.getTriple();
728 }
729 }
730 }
731
732 std::string ToolChain::ComputeEffectiveClangTriple(const ArgList &Args,
733 types::ID InputType) const {
734 return ComputeLLVMTriple(Args, InputType);
735 }
736
737 void ToolChain::AddClangSystemIncludeArgs(const ArgList &DriverArgs,
738 ArgStringList &CC1Args) const {
739 // Each toolchain should provide the appropriate include flags.
740 }
741
742 void ToolChain::addClangTargetOptions(
743 const ArgList &DriverArgs, ArgStringList &CC1Args,
744 Action::OffloadKind DeviceOffloadKind) const {}
745
746 void ToolChain::addClangWarningOptions(ArgStringList &CC1Args) const {}
747
748 void ToolChain::addProfileRTLibs(const llvm::opt::ArgList &Args,
749 llvm::opt::ArgStringList &CmdArgs) const {
750 if (!needsProfileRT(Args)) return;
751
752 CmdArgs.push_back(getCompilerRTArgString(Args, "profile"));
753 }
754
755 ToolChain::RuntimeLibType ToolChain::GetRuntimeLibType(
756 const ArgList &Args) const {
757 const Arg* A = Args.getLastArg(options::OPT_rtlib_EQ);
758 StringRef LibName = A ? A->getValue() : CLANG_DEFAULT_RTLIB;
759
760 // Only use "platform" in tests to override CLANG_DEFAULT_RTLIB!
761 if (LibName == "compiler-rt")
762 return ToolChain::RLT_CompilerRT;
763 else if (LibName == "libgcc")
764 return ToolChain::RLT_Libgcc;
765 else if (LibName == "platform")
766 return GetDefaultRuntimeLibType();
767
768 if (A)
769 getDriver().Diag(diag::err_drv_invalid_rtlib_name) << A->getAsString(Args);
770
771 return GetDefaultRuntimeLibType();
772 }
773
774 ToolChain::UnwindLibType ToolChain::GetUnwindLibType(
775 const ArgList &Args) const {
776 const Arg *A = Args.getLastArg(options::OPT_unwindlib_EQ);
777 StringRef LibName = A ? A->getValue() : CLANG_DEFAULT_UNWINDLIB;
778
779 if (LibName == "none")
780 return ToolChain::UNW_None;
781 else if (LibName == "platform" || LibName == "") {
782 ToolChain::RuntimeLibType RtLibType = GetRuntimeLibType(Args);
783 if (RtLibType == ToolChain::RLT_CompilerRT)
784 return ToolChain::UNW_None;
785 else if (RtLibType == ToolChain::RLT_Libgcc)
786 return ToolChain::UNW_Libgcc;
787 } else if (LibName == "libunwind") {
788 if (GetRuntimeLibType(Args) == RLT_Libgcc)
789 getDriver().Diag(diag::err_drv_incompatible_unwindlib);
790 return ToolChain::UNW_CompilerRT;
791 } else if (LibName == "libgcc")
792 return ToolChain::UNW_Libgcc;
793
794 if (A)
795 getDriver().Diag(diag::err_drv_invalid_unwindlib_name)
796 << A->getAsString(Args);
797
798 return GetDefaultUnwindLibType();
799 }
800
801 ToolChain::CXXStdlibType ToolChain::GetCXXStdlibType(const ArgList &Args) const{
802 const Arg *A = Args.getLastArg(options::OPT_stdlib_EQ);
803 StringRef LibName = A ? A->getValue() : CLANG_DEFAULT_CXX_STDLIB;
804
805 // Only use "platform" in tests to override CLANG_DEFAULT_CXX_STDLIB!
806 if (LibName == "libc++")
807 return ToolChain::CST_Libcxx;
808 else if (LibName == "libstdc++")
809 return ToolChain::CST_Libstdcxx;
810 else if (LibName == "platform")
811 return GetDefaultCXXStdlibType();
812
813 if (A)
814 getDriver().Diag(diag::err_drv_invalid_stdlib_name) << A->getAsString(Args);
815
816 return GetDefaultCXXStdlibType();
817 }
818
819 /// Utility function to add a system include directory to CC1 arguments.
820 /*static*/ void ToolChain::addSystemInclude(const ArgList &DriverArgs,
821 ArgStringList &CC1Args,
822 const Twine &Path) {
823 CC1Args.push_back("-internal-isystem");
824 CC1Args.push_back(DriverArgs.MakeArgString(Path));
825 }
826
827 /// Utility function to add a system include directory with extern "C"
828 /// semantics to CC1 arguments.
829 ///
830 /// Note that this should be used rarely, and only for directories that
831 /// historically and for legacy reasons are treated as having implicit extern
832 /// "C" semantics. These semantics are *ignored* by and large today, but its
833 /// important to preserve the preprocessor changes resulting from the
834 /// classification.
835 /*static*/ void ToolChain::addExternCSystemInclude(const ArgList &DriverArgs,
836 ArgStringList &CC1Args,
837 const Twine &Path) {
838 CC1Args.push_back("-internal-externc-isystem");
839 CC1Args.push_back(DriverArgs.MakeArgString(Path));
840 }
841
842 void ToolChain::addExternCSystemIncludeIfExists(const ArgList &DriverArgs,
843 ArgStringList &CC1Args,
844 const Twine &Path) {
845 if (llvm::sys::fs::exists(Path))
846 addExternCSystemInclude(DriverArgs, CC1Args, Path);
847 }
848
849 /// Utility function to add a list of system include directories to CC1.
850 /*static*/ void ToolChain::addSystemIncludes(const ArgList &DriverArgs,
851 ArgStringList &CC1Args,
852 ArrayRef<StringRef> Paths) {
853 for (const auto &Path : Paths) {
854 CC1Args.push_back("-internal-isystem");
855 CC1Args.push_back(DriverArgs.MakeArgString(Path));
856 }
857 }
858
859 void ToolChain::AddClangCXXStdlibIncludeArgs(const ArgList &DriverArgs,
860 ArgStringList &CC1Args) const {
861 // Header search paths should be handled by each of the subclasses.
862 // Historically, they have not been, and instead have been handled inside of
863 // the CC1-layer frontend. As the logic is hoisted out, this generic function
864 // will slowly stop being called.
865 //
866 // While it is being called, replicate a bit of a hack to propagate the
867 // '-stdlib=' flag down to CC1 so that it can in turn customize the C++
868 // header search paths with it. Once all systems are overriding this
869 // function, the CC1 flag and this line can be removed.
870 DriverArgs.AddAllArgs(CC1Args, options::OPT_stdlib_EQ);
871 }
872
873 void ToolChain::AddClangCXXStdlibIsystemArgs(
874 const llvm::opt::ArgList &DriverArgs,
875 llvm::opt::ArgStringList &CC1Args) const {
876 DriverArgs.ClaimAllArgs(options::OPT_stdlibxx_isystem);
877 if (!DriverArgs.hasArg(options::OPT_nostdincxx))
878 for (const auto &P :
879 DriverArgs.getAllArgValues(options::OPT_stdlibxx_isystem))
880 addSystemInclude(DriverArgs, CC1Args, P);
881 }
882
883 bool ToolChain::ShouldLinkCXXStdlib(const llvm::opt::ArgList &Args) const {
884 return getDriver().CCCIsCXX() &&
885 !Args.hasArg(options::OPT_nostdlib, options::OPT_nodefaultlibs,
886 options::OPT_nostdlibxx);
887 }
888
889 void ToolChain::AddCXXStdlibLibArgs(const ArgList &Args,
890 ArgStringList &CmdArgs) const {
891 assert(!Args.hasArg(options::OPT_nostdlibxx) &&
892 "should not have called this");
893 CXXStdlibType Type = GetCXXStdlibType(Args);
894
895 switch (Type) {
896 case ToolChain::CST_Libcxx:
897 CmdArgs.push_back("-lc++");
898 break;
899
900 case ToolChain::CST_Libstdcxx:
901 CmdArgs.push_back("-lstdc++");
902 break;
903 }
904 }
905
906 void ToolChain::AddFilePathLibArgs(const ArgList &Args,
907 ArgStringList &CmdArgs) const {
908 for (const auto &LibPath : getFilePaths())
909 if(LibPath.length() > 0)
910 CmdArgs.push_back(Args.MakeArgString(StringRef("-L") + LibPath));
911 }
912
913 void ToolChain::AddCCKextLibArgs(const ArgList &Args,
914 ArgStringList &CmdArgs) const {
915 CmdArgs.push_back("-lcc_kext");
916 }
917
918 bool ToolChain::AddFastMathRuntimeIfAvailable(const ArgList &Args,
919 ArgStringList &CmdArgs) const {
920 // Do not check for -fno-fast-math or -fno-unsafe-math when -Ofast passed
921 // (to keep the linker options consistent with gcc and clang itself).
922 if (!isOptimizationLevelFast(Args)) {
923 // Check if -ffast-math or -funsafe-math.
924 Arg *A =
925 Args.getLastArg(options::OPT_ffast_math, options::OPT_fno_fast_math,
926 options::OPT_funsafe_math_optimizations,
927 options::OPT_fno_unsafe_math_optimizations);
928
929 if (!A || A->getOption().getID() == options::OPT_fno_fast_math ||
930 A->getOption().getID() == options::OPT_fno_unsafe_math_optimizations)
931 return false;
932 }
933 // If crtfastmath.o exists add it to the arguments.
934 std::string Path = GetFilePath("crtfastmath.o");
935 if (Path == "crtfastmath.o") // Not found.
936 return false;
937
938 CmdArgs.push_back(Args.MakeArgString(Path));
939 return true;
940 }
941
942 SanitizerMask ToolChain::getSupportedSanitizers() const {
943 // Return sanitizers which don't require runtime support and are not
944 // platform dependent.
945
946 SanitizerMask Res = (SanitizerKind::Undefined & ~SanitizerKind::Vptr &
947 ~SanitizerKind::Function) |
948 (SanitizerKind::CFI & ~SanitizerKind::CFIICall) |
949 SanitizerKind::CFICastStrict |
950 SanitizerKind::FloatDivideByZero |
951 SanitizerKind::UnsignedIntegerOverflow |
952 SanitizerKind::ImplicitConversion |
953 SanitizerKind::Nullability | SanitizerKind::LocalBounds;
954 if (getTriple().getArch() == llvm::Triple::x86 ||
955 getTriple().getArch() == llvm::Triple::x86_64 ||
956 getTriple().getArch() == llvm::Triple::arm ||
957 getTriple().getArch() == llvm::Triple::aarch64 ||
958 getTriple().getArch() == llvm::Triple::wasm32 ||
959 getTriple().getArch() == llvm::Triple::wasm64)
960 Res |= SanitizerKind::CFIICall;
961 if (getTriple().getArch() == llvm::Triple::x86_64 ||
962 getTriple().getArch() == llvm::Triple::aarch64)
963 Res |= SanitizerKind::ShadowCallStack;
964 if (getTriple().getArch() == llvm::Triple::aarch64 ||
965 getTriple().getArch() == llvm::Triple::aarch64_be)
966 Res |= SanitizerKind::MemTag;
967 return Res;
968 }
969
970 void ToolChain::AddCudaIncludeArgs(const ArgList &DriverArgs,
971 ArgStringList &CC1Args) const {}
972
973 void ToolChain::AddIAMCUIncludeArgs(const ArgList &DriverArgs,
974 ArgStringList &CC1Args) const {}
975
976 static VersionTuple separateMSVCFullVersion(unsigned Version) {
977 if (Version < 100)
978 return VersionTuple(Version);
979
980 if (Version < 10000)
981 return VersionTuple(Version / 100, Version % 100);
982
983 unsigned Build = 0, Factor = 1;
984 for (; Version > 10000; Version = Version / 10, Factor = Factor * 10)
985 Build = Build + (Version % 10) * Factor;
986 return VersionTuple(Version / 100, Version % 100, Build);
987 }
988
989 VersionTuple
990 ToolChain::computeMSVCVersion(const Driver *D,
991 const llvm::opt::ArgList &Args) const {
992 const Arg *MSCVersion = Args.getLastArg(options::OPT_fmsc_version);
993 const Arg *MSCompatibilityVersion =
994 Args.getLastArg(options::OPT_fms_compatibility_version);
995
996 if (MSCVersion && MSCompatibilityVersion) {
997 if (D)
998 D->Diag(diag::err_drv_argument_not_allowed_with)
999 << MSCVersion->getAsString(Args)
1000 << MSCompatibilityVersion->getAsString(Args);
1001 return VersionTuple();
1002 }
1003
1004 if (MSCompatibilityVersion) {
1005 VersionTuple MSVT;
1006 if (MSVT.tryParse(MSCompatibilityVersion->getValue())) {
1007 if (D)
1008 D->Diag(diag::err_drv_invalid_value)
1009 << MSCompatibilityVersion->getAsString(Args)
1010 << MSCompatibilityVersion->getValue();
1011 } else {
1012 return MSVT;
1013 }
1014 }
1015
1016 if (MSCVersion) {
1017 unsigned Version = 0;
1018 if (StringRef(MSCVersion->getValue()).getAsInteger(10, Version)) {
1019 if (D)
1020 D->Diag(diag::err_drv_invalid_value)
1021 << MSCVersion->getAsString(Args) << MSCVersion->getValue();
1022 } else {
1023 return separateMSVCFullVersion(Version);
1024 }
1025 }
1026
1027 return VersionTuple();
1028 }
1029
1030 llvm::opt::DerivedArgList *ToolChain::TranslateOpenMPTargetArgs(
1031 const llvm::opt::DerivedArgList &Args, bool SameTripleAsHost,
1032 SmallVectorImpl<llvm::opt::Arg *> &AllocatedArgs) const {
1033 DerivedArgList *DAL = new DerivedArgList(Args.getBaseArgs());
1034 const OptTable &Opts = getDriver().getOpts();
1035 bool Modified = false;
1036
1037 // Handle -Xopenmp-target flags
1038 for (auto *A : Args) {
1039 // Exclude flags which may only apply to the host toolchain.
1040 // Do not exclude flags when the host triple (AuxTriple)
1041 // matches the current toolchain triple. If it is not present
1042 // at all, target and host share a toolchain.
1043 if (A->getOption().matches(options::OPT_m_Group)) {
1044 if (SameTripleAsHost)
1045 DAL->append(A);
1046 else
1047 Modified = true;
1048 continue;
1049 }
1050
1051 unsigned Index;
1052 unsigned Prev;
1053 bool XOpenMPTargetNoTriple =
1054 A->getOption().matches(options::OPT_Xopenmp_target);
1055
1056 if (A->getOption().matches(options::OPT_Xopenmp_target_EQ)) {
1057 // Passing device args: -Xopenmp-target=<triple> -opt=val.
1058 if (A->getValue(0) == getTripleString())
1059 Index = Args.getBaseArgs().MakeIndex(A->getValue(1));
1060 else
1061 continue;
1062 } else if (XOpenMPTargetNoTriple) {
1063 // Passing device args: -Xopenmp-target -opt=val.
1064 Index = Args.getBaseArgs().MakeIndex(A->getValue(0));
1065 } else {
1066 DAL->append(A);
1067 continue;
1068 }
1069
1070 // Parse the argument to -Xopenmp-target.
1071 Prev = Index;
1072 std::unique_ptr<Arg> XOpenMPTargetArg(Opts.ParseOneArg(Args, Index));
1073 if (!XOpenMPTargetArg || Index > Prev + 1) {
1074 getDriver().Diag(diag::err_drv_invalid_Xopenmp_target_with_args)
1075 << A->getAsString(Args);
1076 continue;
1077 }
1078 if (XOpenMPTargetNoTriple && XOpenMPTargetArg &&
1079 Args.getAllArgValues(options::OPT_fopenmp_targets_EQ).size() != 1) {
1080 getDriver().Diag(diag::err_drv_Xopenmp_target_missing_triple);
1081 continue;
1082 }
1083 XOpenMPTargetArg->setBaseArg(A);
1084 A = XOpenMPTargetArg.release();
1085 AllocatedArgs.push_back(A);
1086 DAL->append(A);
1087 Modified = true;
1088 }
1089
1090 if (Modified)
1091 return DAL;
1092
1093 delete DAL;
1094 return nullptr;
1095 }
clang::driver::ToolChain::addClangWarningOptions
virtual void addClangWarningOptions(llvm::opt::ArgStringList &CC1Args) const
Add warning options that need to be passed to cc1 for this target.
Definition: ToolChain.cpp:746
clang::ento::Nullability
Nullability
Definition: CheckerHelpers.h:52
clang::driver::ToolChain::addExternCSystemInclude
static void addExternCSystemInclude(const llvm::opt::ArgList &DriverArgs, llvm::opt::ArgStringList &CC1Args, const Twine &Path)
Utility function to add a system include directory with extern "C" semantics to CC1 arguments...
Definition: ToolChain.cpp:835
clang::driver::ToolChain::setTripleEnvironment
void setTripleEnvironment(llvm::Triple::EnvironmentType Env)
Definition: ToolChain.cpp:91
clang::driver::Action::LipoJobClass
Definition: Action.h:69
clang::driver::ToolChain::ComputeLLVMTriple
virtual std::string ComputeLLVMTriple(const llvm::opt::ArgList &Args, types::ID InputType=types::TY_INVALID) const
ComputeLLVMTriple - Return the LLVM target triple to use, after taking command line arguments into ac...
Definition: ToolChain.cpp:609
clang::driver::Action::AnalyzeJobClass
Definition: Action.h:62
clang::driver::ToolChain::AddClangCXXStdlibIsystemArgs
void AddClangCXXStdlibIsystemArgs(const llvm::opt::ArgList &DriverArgs, llvm::opt::ArgStringList &CC1Args) const
AddClangCXXStdlibIsystemArgs - Add the clang -cc1 level arguments to set the specified include paths ...
Definition: ToolChain.cpp:873
clang::driver::tools::ifstool::Merger
Definition: InterfaceStubs.h:19
clang::driver::ToolChain::addExternCSystemIncludeIfExists
static void addExternCSystemIncludeIfExists(const llvm::opt::ArgList &DriverArgs, llvm::opt::ArgStringList &CC1Args, const Twine &Path)
Definition: ToolChain.cpp:842
Flang.h
clang::driver::ToolChain::AddCCKextLibArgs
virtual void AddCCKextLibArgs(const llvm::opt::ArgList &Args, llvm::opt::ArgStringList &CmdArgs) const
AddCCKextLibArgs - Add the system specific linker arguments to use for kernel extensions (Darwin-spec...
Definition: ToolChain.cpp:913
clang::driver::Driver::ShouldUseFlangCompiler
bool ShouldUseFlangCompiler(const JobAction &JA) const
ShouldUseFlangCompiler - Should the flang compiler be used to handle this action. ...
Definition: Driver.cpp:4970
clang::driver::ToolChain::getDefaultLinker
virtual const char * getDefaultLinker() const
GetDefaultLinker - Get the default linker to use.
Definition: ToolChain.h:373
llvm
Specialize PointerLikeTypeTraits to allow LazyGenerationalUpdatePtr to be placed into a PointerUnion...
Definition: Dominators.h:30
clang::driver::ToolChain::getDefaultObjCRuntime
virtual ObjCRuntime getDefaultObjCRuntime(bool isNonFragile) const
getDefaultObjCRuntime - Return the default Objective-C runtime for this platform. ...
Definition: ToolChain.cpp:584
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Definition: Action.h:70
Job.h
P
StringRef P
Definition: ASTMatchersInternal.cpp:485
clang::driver::Action::VerifyDebugInfoJobClass
Definition: Action.h:71
ObjCRuntime.h
Defines types useful for describing an Objective-C runtime.
clang::driver::Action::CompileJobClass
Definition: Action.h:64
clang::Type
The base class of the type hierarchy.
Definition: Type.h:1450
clang::driver::ToolChain::getXRayArgs
const XRayArgs & getXRayArgs() const
Definition: ToolChain.cpp:123
clang::driver::ToolChain::AddClangCXXStdlibIncludeArgs
virtual void AddClangCXXStdlibIncludeArgs(const llvm::opt::ArgList &DriverArgs, llvm::opt::ArgStringList &CC1Args) const
AddClangCXXStdlibIncludeArgs - Add the clang -cc1 level arguments to set the include paths to use for...
Definition: ToolChain.cpp:859
clang::driver::ToolChain::getOS
StringRef getOS() const
Definition: ToolChain.h:218
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Definition: ToolChain.h:109
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Definition: ToolChain.h:99
clang::driver::ToolChain::isThreadModelSupported
virtual bool isThreadModelSupported(const StringRef Model) const
isThreadModelSupported() - Does this target support a thread model?
Definition: ToolChain.cpp:594
clang::driver::ToolChain::IsUnwindTablesDefault
virtual bool IsUnwindTablesDefault(const llvm::opt::ArgList &Args) const
IsUnwindTablesDefault - Does this tool chain use -funwind-tables by default.
Definition: ToolChain.cpp:249
clang::driver::Driver::Diag
DiagnosticBuilder Diag(unsigned DiagID) const
Definition: Driver.h:109
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Definition: XRayArgs.h:21
Value
Value
Definition: UninitializedValues.cpp:101
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&#39;gcc&#39; is the Objective-C runtime shipped with GCC, implementing a fragile Objective-C ABI ...
Definition: ObjCRuntime.h:52
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static ParsedClangName getTargetAndModeFromProgramName(StringRef ProgName)
Return any implicit target and/or mode flag for an invocation of the compiler driver as ProgName...
Definition: ToolChain.cpp:206
clang::driver::ToolChain::UNW_CompilerRT
Definition: ToolChain.h:104
separateMSVCFullVersion
static VersionTuple separateMSVCFullVersion(unsigned Version)
Definition: ToolChain.cpp:976
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ID
Definition: Types.h:23
clang::driver::ToolChain::addProfileRTLibs
virtual void addProfileRTLibs(const llvm::opt::ArgList &Args, llvm::opt::ArgStringList &CmdArgs) const
addProfileRTLibs - When -fprofile-instr-profile is specified, try to pass a suitable profile runtime ...
Definition: ToolChain.cpp:748
clang::driver::ToolChain::GetLinkerPath
std::string GetLinkerPath() const
Returns the linker path, respecting the -fuse-ld= argument to determine the linker suffix or name...
Definition: ToolChain.cpp:520
clang::driver::tools::arm::getARMFloatABI
FloatABI getARMFloatABI(const ToolChain &TC, const llvm::opt::ArgList &Args)
clang::driver::tools::ClangAs
Clang integrated assembler tool.
Definition: Clang.h:118
Action.h
Sanitizers.h
Defines the clang::SanitizerKind enum.
clang::driver::tools::arm::getARMArch
const std::string getARMArch(llvm::StringRef Arch, const llvm::Triple &Triple)
clang::driver::ToolChain::CXXStdlibType
CXXStdlibType
Definition: ToolChain.h:92
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const char * getFilename() const
Definition: InputInfo.h:83
llvm::Optional< std::string >
SanitizerArgs.h
clang::driver::ToolChain::RM_Disabled
Definition: ToolChain.h:110
clang::driver::ToolChain::AddClangSystemIncludeArgs
virtual void AddClangSystemIncludeArgs(const llvm::opt::ArgList &DriverArgs, llvm::opt::ArgStringList &CC1Args) const
Add the clang cc1 arguments for system include paths.
Definition: ToolChain.cpp:737
clang::driver::JobAction
Definition: Action.h:375
getArchNameForCompilerRTLib
static StringRef getArchNameForCompilerRTLib(const ToolChain &TC, const ArgList &Args)
Definition: ToolChain.cpp:349
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Definition: ToolChain.h:93
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StringRef getOSLibName() const
Definition: ToolChain.cpp:366
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Definition: LLVM.h:36
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ActionClass
Definition: Action.h:55
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Definition: SanitizerArgs.h:23
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static bool needsProfileRT(const llvm::opt::ArgList &Args)
needsProfileRT - returns true if instrumentation profile is on.
Definition: ToolChain.cpp:479
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std::string getTripleString() const
Definition: ToolChain.h:224
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Definition: Action.h:56
clang::driver::tools::arm::getARMCPUForMArch
StringRef getARMCPUForMArch(llvm::StringRef Arch, const llvm::Triple &Triple)
clang::driver::InputInfo
InputInfo - Wrapper for information about an input source.
Definition: InputInfo.h:22
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std::string GetFilePath(const char *Name) const
Definition: ToolChain.cpp:512
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RuntimeLibType
Definition: ToolChain.h:97
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bool isOptimizationLevelFast(const llvm::opt::ArgList &Args)
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path_list & getFilePaths()
Definition: ToolChain.h:237
clang::driver::ToolChain::AddFastMathRuntimeIfAvailable
virtual bool AddFastMathRuntimeIfAvailable(const llvm::opt::ArgList &Args, llvm::opt::ArgStringList &CmdArgs) const
AddFastMathRuntimeIfAvailable - If a runtime library exists that sets global flags for unsafe floatin...
Definition: ToolChain.cpp:918
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Driver - Encapsulate logic for constructing compilation processes from a set of gcc-driver-like comma...
Definition: Driver.h:59
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Definition: LLVM.h:31
llvm::SmallString< 128 >
clang::driver::ToolChain::ToolChain
ToolChain(const Driver &D, const llvm::Triple &T, const llvm::opt::ArgList &Args)
Definition: ToolChain.cpp:74
Driver.h
clang::driver::ToolChain::IsIntegratedAssemblerDefault
virtual bool IsIntegratedAssemblerDefault() const
IsIntegratedAssemblerDefault - Does this tool chain enable -integrated-as by default.
Definition: ToolChain.h:337
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llvm::vfs::FileSystem & getVFS() const
Definition: Driver.h:319
clang::driver::ToolChain::useRelaxRelocations
virtual bool useRelaxRelocations() const
Check whether to enable x86 relax relocations by default.
Definition: ToolChain.cpp:109
clang::driver::ToolChain::useIntegratedAs
virtual bool useIntegratedAs() const
Check if the toolchain should use the integrated assembler.
Definition: ToolChain.cpp:103
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Definition: Action.h:141
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Definition: Action.h:23
clang::driver::ToolChain::computeMSVCVersion
virtual VersionTuple computeMSVCVersion(const Driver *D, const llvm::opt::ArgList &Args) const
On Windows, returns the MSVC compatibility version.
Definition: ToolChain.cpp:990
clang::driver::ToolChain::addSystemIncludes
static void addSystemIncludes(const llvm::opt::ArgList &DriverArgs, llvm::opt::ArgStringList &CC1Args, ArrayRef< StringRef > Paths)
Utility function to add a list of system include directories to CC1.
Definition: ToolChain.cpp:850
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virtual llvm::ExceptionHandling GetExceptionModel(const llvm::opt::ArgList &Args) const
GetExceptionModel - Return the tool chain exception model.
Definition: ToolChain.cpp:590
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Definition: Action.h:68
GetRTTIArgument
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Definition: ToolChain.cpp:54
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Definition: ToolChain.h:384
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Definition: Action.h:59
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Definition: ToolChain.cpp:269
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Definition: ToolChain.cpp:179
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TranslateOpenMPTargetArgs - Create a new derived argument list for that contains the OpenMP target sp...
Definition: ToolChain.cpp:1030
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Definition: Action.h:72
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LookupTypeForExtension - Return the default language type to use for the given extension.
Definition: ToolChain.cpp:552
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virtual Optional< std::string > getCXXStdlibPath() const
Definition: ToolChain.cpp:454
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Definition: Sanitizers.h:129
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Definition: ToolChain.cpp:774
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Definition: ToolChain.cpp:138
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virtual bool isNoExecStackDefault() const
Test whether this toolchaind defaults to non-executable stacks.
Definition: ToolChain.cpp:113
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Definition: Action.h:57
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&#39;gnustep&#39; is the modern non-fragile GNUstep runtime.
Definition: ObjCRuntime.h:55
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virtual CXXStdlibType GetDefaultCXXStdlibType() const
Definition: ToolChain.h:380
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path_list & getLibraryPaths()
Definition: ToolChain.h:234
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llvm::Triple::ArchType getArch() const
Definition: ToolChain.h:215
clang::driver::ToolChain::AddCudaIncludeArgs
virtual void AddCudaIncludeArgs(const llvm::opt::ArgList &DriverArgs, llvm::opt::ArgStringList &CC1Args) const
Add arguments to use system-specific CUDA includes.
Definition: ToolChain.cpp:970
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Definition: ToolChain.h:113
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Definition: Action.h:63
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virtual std::string getInputFilename(const InputInfo &Input) const
Some toolchains need to modify the file name, for example to replace the extension for object files w...
Definition: ToolChain.cpp:245
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Definition: ToolChain.h:113
Clang.h
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virtual std::string getCompilerRT(const llvm::opt::ArgList &Args, StringRef Component, FileType Type=ToolChain::FT_Static) const
Definition: ToolChain.cpp:391
clang::driver::ToolChain::FT_Object
Definition: ToolChain.h:113
clang::driver::ToolChain::AddFilePathLibArgs
void AddFilePathLibArgs(const llvm::opt::ArgList &Args, llvm::opt::ArgStringList &CmdArgs) const
AddFilePathLibArgs - Add each thing in getFilePaths() as a "-L" option.
Definition: ToolChain.cpp:906
clang::driver::tools::OffloadBundler
Offload bundler tool.
Definition: Clang.h:139
clang::driver::ToolChain::getDriver
const Driver & getDriver() const
Definition: ToolChain.h:199
clang::driver::Action::OffloadUnbundlingJobClass
Definition: Action.h:74
clang::driver::ToolChain::FT_Static
Definition: ToolChain.h:113
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bool CCCIsCXX() const
Whether the driver should follow g++ like behavior.
Definition: Driver.h:173
ToolChain.h
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Definition: Action.h:58
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Definition: Sanitizers.h:29
clang::driver::ToolChain::addSystemInclude
static void addSystemInclude(const llvm::opt::ArgList &DriverArgs, llvm::opt::ArgStringList &CC1Args, const Twine &Path)
Utility function to add a system include directory to CC1 arguments.
Definition: ToolChain.cpp:820
Options.h
clang::driver::ToolChain::HasNativeLLVMSupport
virtual bool HasNativeLLVMSupport() const
HasNativeLTOLinker - Check whether the linker and related tools have native LLVM support.
Definition: ToolChain.cpp:564
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constexpr XRayInstrMask None
Definition: XRayInstr.h:37
clang::driver::Action::PrecompileJobClass
Definition: Action.h:60
clang::driver::ToolChain::GetRuntimeLibType
virtual RuntimeLibType GetRuntimeLibType(const llvm::opt::ArgList &Args) const
Definition: ToolChain.cpp:755
clang::driver::ToolChain::getVFS
llvm::vfs::FileSystem & getVFS() const
Definition: ToolChain.cpp:99
clang::driver::ToolChain::buildAssembler
virtual Tool * buildAssembler() const
Definition: ToolChain.cpp:265
clang::driver::ParsedClangName
Helper structure used to pass information extracted from clang executable name such as i686-linux-and...
Definition: ToolChain.h:61
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Definition: Action.h:75
clang::driver::ToolChain::RLT_CompilerRT
Definition: ToolChain.h:98
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std::string getARMTargetCPU(StringRef CPU, llvm::StringRef Arch, const llvm::Triple &Triple)
clang::driver::Action::OffloadKind
OffloadKind
Definition: Action.h:84
clang::driver::ToolChain::ShouldLinkCXXStdlib
bool ShouldLinkCXXStdlib(const llvm::opt::ArgList &Args) const
Returns if the C++ standard library should be linked in.
Definition: ToolChain.cpp:883
clang
Dataflow Directional Tag Classes.
Definition: CFGReachabilityAnalysis.h:21
clang::driver::ToolChain::ComputeEffectiveClangTriple
virtual std::string ComputeEffectiveClangTriple(const llvm::opt::ArgList &Args, types::ID InputType=types::TY_INVALID) const
ComputeEffectiveClangTriple - Return the Clang triple to use for this target, which may take into acc...
Definition: ToolChain.cpp:732
clang::driver::tools::Clang
Clang compiler tool.
Definition: Clang.h:28
CalculateRTTIMode
static ToolChain::RTTIMode CalculateRTTIMode(const ArgList &Args, const llvm::Triple &Triple, const Arg *CachedRTTIArg)
Definition: ToolChain.cpp:59
clang::ObjCRuntime
The basic abstraction for the target Objective-C runtime.
Definition: ObjCRuntime.h:27
clang::driver::Tool
Tool - Information on a specific compilation tool.
Definition: Tool.h:33
clang::driver::ToolChain::RTTIMode
RTTIMode
Definition: ToolChain.h:108
clang::driver::ToolChain::getSanitizerArgs
const SanitizerArgs & getSanitizerArgs() const
Definition: ToolChain.cpp:117
clang::driver::ToolChain::~ToolChain
virtual ~ToolChain()
normalizeProgramName
static std::string normalizeProgramName(llvm::StringRef Argv0)
Normalize the program name from argv[0] by stripping the file extension if present and lower-casing t...
Definition: ToolChain.cpp:170
InputInfo.h
clang::driver::tools::Flang
Flang compiler tool.
Definition: Flang.h:25
clang::driver::ToolChain::getRuntimePath
virtual Optional< std::string > getRuntimePath() const
Definition: ToolChain.cpp:436
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Definition: Action.h:67
clang::driver::ToolChain::UNW_None
Definition: ToolChain.h:103
clang::driver::Driver::ShouldUseClangCompiler
bool ShouldUseClangCompiler(const JobAction &JA) const
ShouldUseClangCompiler - Should the clang compiler be used to handle this action. ...
Definition: Driver.cpp:4956
clang::driver::ToolChain::getDefaultUniversalArchName
StringRef getDefaultUniversalArchName() const
Provide the default architecture name (as expected by -arch) for this toolchain.
Definition: ToolChain.cpp:228
InterfaceStubs.h
clang::driver::ToolChain::getTriple
const llvm::Triple & getTriple() const
Definition: ToolChain.h:201
clang::driver::Action::BackendJobClass
Definition: Action.h:65
clang::driver::Action::AssembleJobClass
Definition: Action.h:66
clang::driver::ToolChain::getSupportedSanitizers
virtual SanitizerMask getSupportedSanitizers() const
Return sanitizers which are available in this toolchain.
Definition: ToolChain.cpp:942
clang::driver::types::lookupTypeForExtension
ID lookupTypeForExtension(llvm::StringRef Ext)
lookupTypeForExtension - Lookup the type to use for the file extension Ext.
Definition: Types.cpp:229
clang::driver::ToolChain::getArchSpecificLibPath
std::string getArchSpecificLibPath() const
Definition: ToolChain.cpp:472
clang::driver::ToolChain::getTool
virtual Tool * getTool(Action::ActionClass AC) const
Definition: ToolChain.cpp:309
DriverDiagnostic.h
clang::driver::ToolChain::getCompilerRTPath
virtual std::string getCompilerRTPath() const
Definition: ToolChain.cpp:381
clang::driver::Action::OffloadBundlingJobClass
Definition: Action.h:73
clang::driver::ToolChain::getCompilerRTArgString
const char * getCompilerRTArgString(const llvm::opt::ArgList &Args, StringRef Component, FileType Type=ToolChain::FT_Static) const
Definition: ToolChain.cpp:429
clang::driver::ToolChain::UNW_Libgcc
Definition: ToolChain.h:105
clang::driver::ToolChain::GetProgramPath
std::string GetProgramPath(const char *Name) const
Definition: ToolChain.cpp:516
clang::driver::ToolChain::needsGCovInstrumentation
static bool needsGCovInstrumentation(const llvm::opt::ArgList &Args)
Returns true if gcov instrumentation (-fprofile-arcs or –coverage) is on.
Definition: ToolChain.cpp:497
clang::driver::Driver::getOpts
const llvm::opt::OptTable & getOpts() const
Definition: Driver.h:315
clang::driver::ToolChain::isCrossCompiling
virtual bool isCrossCompiling() const
Returns true if the toolchain is targeting a non-native architecture.
Definition: ToolChain.cpp:568
clang::driver::ToolChain::GetCXXStdlibType
virtual CXXStdlibType GetCXXStdlibType(const llvm::opt::ArgList &Args) const
Definition: ToolChain.cpp:801
clang::driver::ToolChain::SelectTool
virtual Tool * SelectTool(const JobAction &JA) const
Choose a tool to use to handle the action JA.
Definition: ToolChain.cpp:503
clang::driver::ToolChain::AddIAMCUIncludeArgs
virtual void AddIAMCUIncludeArgs(const llvm::opt::ArgList &DriverArgs, llvm::opt::ArgStringList &CC1Args) const
Add arguments to use MCU GCC toolchain includes.
Definition: ToolChain.cpp:973
clang::driver::tools::arm::getLLVMArchSuffixForARM
StringRef getLLVMArchSuffixForARM(llvm::StringRef CPU, llvm::StringRef Arch, const llvm::Triple &Triple)
clang::driver::ToolChain::addClangTargetOptions
virtual void addClangTargetOptions(const llvm::opt::ArgList &DriverArgs, llvm::opt::ArgStringList &CC1Args, Action::OffloadKind DeviceOffloadKind) const
Add options that need to be passed to cc1 for this target.
Definition: ToolChain.cpp:742
clang::driver::Action::HeaderModulePrecompileJobClass
Definition: Action.h:61
clang::driver::ToolChain::CST_Libstdcxx
Definition: ToolChain.h:94
clang::driver::ToolChain::UnwindLibType
UnwindLibType
Definition: ToolChain.h:102
XRayArgs.h
clang::driver::ToolChain::GetDefaultRuntimeLibType
virtual RuntimeLibType GetDefaultRuntimeLibType() const
GetDefaultRuntimeLibType - Get the default runtime library variant to use.
Definition: ToolChain.h:376
clang::driver::ToolChain::AddCXXStdlibLibArgs
virtual void AddCXXStdlibLibArgs(const llvm::opt::ArgList &Args, llvm::opt::ArgStringList &CmdArgs) const
AddCXXStdlibLibArgs - Add the system specific linker arguments to use for the given C++ standard libr...
Definition: ToolChain.cpp:889
clang::driver::ToolChain
ToolChain - Access to tools for a single platform.
Definition: ToolChain.h:88
clang::driver::tools::OffloadWrapper
Offload wrapper tool.
Definition: Clang.h:157