clang 8.0.0

ToolChain.cpp
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1 //===- ToolChain.cpp - Collections of tools for one platform --------------===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9
10 #include "clang/Driver/ToolChain.h"
11 #include "InputInfo.h"
12 #include "ToolChains/Arch/ARM.h"
13 #include "ToolChains/Clang.h"
14 #include "clang/Basic/ObjCRuntime.h"
15 #include "clang/Basic/Sanitizers.h"
16 #include "clang/Config/config.h"
17 #include "clang/Driver/Action.h"
18 #include "clang/Driver/Driver.h"
19 #include "clang/Driver/DriverDiagnostic.h"
20 #include "clang/Driver/Job.h"
21 #include "clang/Driver/Options.h"
22 #include "clang/Driver/SanitizerArgs.h"
23 #include "clang/Driver/XRayArgs.h"
24 #include "llvm/ADT/STLExtras.h"
25 #include "llvm/ADT/SmallString.h"
26 #include "llvm/ADT/StringRef.h"
27 #include "llvm/ADT/Triple.h"
28 #include "llvm/ADT/Twine.h"
29 #include "llvm/Config/llvm-config.h"
30 #include "llvm/MC/MCTargetOptions.h"
31 #include "llvm/Option/Arg.h"
32 #include "llvm/Option/ArgList.h"
33 #include "llvm/Option/OptTable.h"
34 #include "llvm/Option/Option.h"
35 #include "llvm/Support/ErrorHandling.h"
36 #include "llvm/Support/FileSystem.h"
37 #include "llvm/Support/Path.h"
38 #include "llvm/Support/TargetParser.h"
39 #include "llvm/Support/TargetRegistry.h"
40 #include "llvm/Support/VersionTuple.h"
41 #include "llvm/Support/VirtualFileSystem.h"
42 #include <cassert>
43 #include <cstddef>
44 #include <cstring>
45 #include <string>
46
47 using namespace clang;
48 using namespace driver;
49 using namespace tools;
50 using namespace llvm;
51 using namespace llvm::opt;
52
53 static llvm::opt::Arg *GetRTTIArgument(const ArgList &Args) {
54 return Args.getLastArg(options::OPT_mkernel, options::OPT_fapple_kext,
55 options::OPT_fno_rtti, options::OPT_frtti);
56 }
57
58 static ToolChain::RTTIMode CalculateRTTIMode(const ArgList &Args,
59 const llvm::Triple &Triple,
60 const Arg *CachedRTTIArg) {
61 // Explicit rtti/no-rtti args
62 if (CachedRTTIArg) {
63 if (CachedRTTIArg->getOption().matches(options::OPT_frtti))
64 return ToolChain::RM_Enabled;
65 else
66 return ToolChain::RM_Disabled;
67 }
68
69 // -frtti is default, except for the PS4 CPU.
70 return (Triple.isPS4CPU()) ? ToolChain::RM_Disabled : ToolChain::RM_Enabled;
71 }
72
73 ToolChain::ToolChain(const Driver &D, const llvm::Triple &T,
74 const ArgList &Args)
75 : D(D), Triple(T), Args(Args), CachedRTTIArg(GetRTTIArgument(Args)),
76 CachedRTTIMode(CalculateRTTIMode(Args, Triple, CachedRTTIArg)) {
77 SmallString<128> P;
78
79 P.assign(D.ResourceDir);
80 llvm::sys::path::append(P, D.getTargetTriple(), "lib");
81 if (getVFS().exists(P))
82 getLibraryPaths().push_back(P.str());
83
84 P.assign(D.ResourceDir);
85 llvm::sys::path::append(P, Triple.str(), "lib");
86 if (getVFS().exists(P))
87 getLibraryPaths().push_back(P.str());
88
89 std::string CandidateLibPath = getArchSpecificLibPath();
90 if (getVFS().exists(CandidateLibPath))
91 getFilePaths().push_back(CandidateLibPath);
92 }
93
94 void ToolChain::setTripleEnvironment(llvm::Triple::EnvironmentType Env) {
95 Triple.setEnvironment(Env);
96 if (EffectiveTriple != llvm::Triple())
97 EffectiveTriple.setEnvironment(Env);
98 }
99
100 ToolChain::~ToolChain() = default;
101
102 llvm::vfs::FileSystem &ToolChain::getVFS() const {
103 return getDriver().getVFS();
104 }
105
106 bool ToolChain::useIntegratedAs() const {
107 return Args.hasFlag(options::OPT_fintegrated_as,
108 options::OPT_fno_integrated_as,
109 IsIntegratedAssemblerDefault());
110 }
111
112 bool ToolChain::useRelaxRelocations() const {
113 return ENABLE_X86_RELAX_RELOCATIONS;
114 }
115
116 const SanitizerArgs& ToolChain::getSanitizerArgs() const {
117 if (!SanitizerArguments.get())
118 SanitizerArguments.reset(new SanitizerArgs(*this, Args));
119 return *SanitizerArguments.get();
120 }
121
122 const XRayArgs& ToolChain::getXRayArgs() const {
123 if (!XRayArguments.get())
124 XRayArguments.reset(new XRayArgs(*this, Args));
125 return *XRayArguments.get();
126 }
127
128 namespace {
129
130 struct DriverSuffix {
131 const char *Suffix;
132 const char *ModeFlag;
133 };
134
135 } // namespace
136
137 static const DriverSuffix *FindDriverSuffix(StringRef ProgName, size_t &Pos) {
138 // A list of known driver suffixes. Suffixes are compared against the
139 // program name in order. If there is a match, the frontend type is updated as
140 // necessary by applying the ModeFlag.
141 static const DriverSuffix DriverSuffixes[] = {
142 {"clang", nullptr},
143 {"clang++", "--driver-mode=g++"},
144 {"clang-c++", "--driver-mode=g++"},
145 {"clang-cc", nullptr},
146 {"clang-cpp", "--driver-mode=cpp"},
147 {"clang-g++", "--driver-mode=g++"},
148 {"clang-gcc", nullptr},
149 {"clang-cl", "--driver-mode=cl"},
150 {"cc", nullptr},
151 {"cpp", "--driver-mode=cpp"},
152 {"cl", "--driver-mode=cl"},
153 {"++", "--driver-mode=g++"},
154 };
155
156 for (size_t i = 0; i < llvm::array_lengthof(DriverSuffixes); ++i) {
157 StringRef Suffix(DriverSuffixes[i].Suffix);
158 if (ProgName.endswith(Suffix)) {
159 Pos = ProgName.size() - Suffix.size();
160 return &DriverSuffixes[i];
161 }
162 }
163 return nullptr;
164 }
165
166 /// Normalize the program name from argv[0] by stripping the file extension if
167 /// present and lower-casing the string on Windows.
168 static std::string normalizeProgramName(llvm::StringRef Argv0) {
169 std::string ProgName = llvm::sys::path::stem(Argv0);
170 #ifdef _WIN32
171 // Transform to lowercase for case insensitive file systems.
172 std::transform(ProgName.begin(), ProgName.end(), ProgName.begin(), ::tolower);
173 #endif
174 return ProgName;
175 }
176
177 static const DriverSuffix *parseDriverSuffix(StringRef ProgName, size_t &Pos) {
178 // Try to infer frontend type and default target from the program name by
179 // comparing it against DriverSuffixes in order.
180
181 // If there is a match, the function tries to identify a target as prefix.
182 // E.g. "x86_64-linux-clang" as interpreted as suffix "clang" with target
183 // prefix "x86_64-linux". If such a target prefix is found, it may be
184 // added via -target as implicit first argument.
185 const DriverSuffix *DS = FindDriverSuffix(ProgName, Pos);
186
187 if (!DS) {
188 // Try again after stripping any trailing version number:
189 // clang++3.5 -> clang++
190 ProgName = ProgName.rtrim("0123456789.");
191 DS = FindDriverSuffix(ProgName, Pos);
192 }
193
194 if (!DS) {
195 // Try again after stripping trailing -component.
196 // clang++-tot -> clang++
197 ProgName = ProgName.slice(0, ProgName.rfind('-'));
198 DS = FindDriverSuffix(ProgName, Pos);
199 }
200 return DS;
201 }
202
203 ParsedClangName
204 ToolChain::getTargetAndModeFromProgramName(StringRef PN) {
205 std::string ProgName = normalizeProgramName(PN);
206 size_t SuffixPos;
207 const DriverSuffix *DS = parseDriverSuffix(ProgName, SuffixPos);
208 if (!DS)
209 return {};
210 size_t SuffixEnd = SuffixPos + strlen(DS->Suffix);
211
212 size_t LastComponent = ProgName.rfind('-', SuffixPos);
213 if (LastComponent == std::string::npos)
214 return ParsedClangName(ProgName.substr(0, SuffixEnd), DS->ModeFlag);
215 std::string ModeSuffix = ProgName.substr(LastComponent + 1,
216 SuffixEnd - LastComponent - 1);
217
218 // Infer target from the prefix.
219 StringRef Prefix(ProgName);
220 Prefix = Prefix.slice(0, LastComponent);
221 std::string IgnoredError;
222 bool IsRegistered = llvm::TargetRegistry::lookupTarget(Prefix, IgnoredError);
223 return ParsedClangName{Prefix, ModeSuffix, DS->ModeFlag, IsRegistered};
224 }
225
226 StringRef ToolChain::getDefaultUniversalArchName() const {
227 // In universal driver terms, the arch name accepted by -arch isn't exactly
228 // the same as the ones that appear in the triple. Roughly speaking, this is
229 // an inverse of the darwin::getArchTypeForDarwinArchName() function, but the
230 // only interesting special case is powerpc.
231 switch (Triple.getArch()) {
232 case llvm::Triple::ppc:
233 return "ppc";
234 case llvm::Triple::ppc64:
235 return "ppc64";
236 case llvm::Triple::ppc64le:
237 return "ppc64le";
238 default:
239 return Triple.getArchName();
240 }
241 }
242
243 std::string ToolChain::getInputFilename(const InputInfo &Input) const {
244 return Input.getFilename();
245 }
246
247 bool ToolChain::IsUnwindTablesDefault(const ArgList &Args) const {
248 return false;
249 }
250
251 Tool *ToolChain::getClang() const {
252 if (!Clang)
253 Clang.reset(new tools::Clang(*this));
254 return Clang.get();
255 }
256
257 Tool *ToolChain::buildAssembler() const {
258 return new tools::ClangAs(*this);
259 }
260
261 Tool *ToolChain::buildLinker() const {
262 llvm_unreachable("Linking is not supported by this toolchain");
263 }
264
265 Tool *ToolChain::getAssemble() const {
266 if (!Assemble)
267 Assemble.reset(buildAssembler());
268 return Assemble.get();
269 }
270
271 Tool *ToolChain::getClangAs() const {
272 if (!Assemble)
273 Assemble.reset(new tools::ClangAs(*this));
274 return Assemble.get();
275 }
276
277 Tool *ToolChain::getLink() const {
278 if (!Link)
279 Link.reset(buildLinker());
280 return Link.get();
281 }
282
283 Tool *ToolChain::getOffloadBundler() const {
284 if (!OffloadBundler)
285 OffloadBundler.reset(new tools::OffloadBundler(*this));
286 return OffloadBundler.get();
287 }
288
289 Tool *ToolChain::getTool(Action::ActionClass AC) const {
290 switch (AC) {
291 case Action::AssembleJobClass:
292 return getAssemble();
293
294 case Action::LinkJobClass:
295 return getLink();
296
297 case Action::InputClass:
298 case Action::BindArchClass:
299 case Action::OffloadClass:
300 case Action::LipoJobClass:
301 case Action::DsymutilJobClass:
302 case Action::VerifyDebugInfoJobClass:
303 llvm_unreachable("Invalid tool kind.");
304
305 case Action::CompileJobClass:
306 case Action::PrecompileJobClass:
307 case Action::HeaderModulePrecompileJobClass:
308 case Action::PreprocessJobClass:
309 case Action::AnalyzeJobClass:
310 case Action::MigrateJobClass:
311 case Action::VerifyPCHJobClass:
312 case Action::BackendJobClass:
313 return getClang();
314
315 case Action::OffloadBundlingJobClass:
316 case Action::OffloadUnbundlingJobClass:
317 return getOffloadBundler();
318 }
319
320 llvm_unreachable("Invalid tool kind.");
321 }
322
323 static StringRef getArchNameForCompilerRTLib(const ToolChain &TC,
324 const ArgList &Args) {
325 const llvm::Triple &Triple = TC.getTriple();
326 bool IsWindows = Triple.isOSWindows();
327
328 if (TC.getArch() == llvm::Triple::arm || TC.getArch() == llvm::Triple::armeb)
329 return (arm::getARMFloatABI(TC, Args) == arm::FloatABI::Hard && !IsWindows)
330 ? "armhf"
331 : "arm";
332
333 // For historic reasons, Android library is using i686 instead of i386.
334 if (TC.getArch() == llvm::Triple::x86 && Triple.isAndroid())
335 return "i686";
336
337 return llvm::Triple::getArchTypeName(TC.getArch());
338 }
339
340 StringRef ToolChain::getOSLibName() const {
341 switch (Triple.getOS()) {
342 case llvm::Triple::FreeBSD:
343 return "freebsd";
344 case llvm::Triple::NetBSD:
345 return "netbsd";
346 case llvm::Triple::OpenBSD:
347 return "openbsd";
348 case llvm::Triple::Solaris:
349 return "sunos";
350 default:
351 return getOS();
352 }
353 }
354
355 std::string ToolChain::getCompilerRTPath() const {
356 SmallString<128> Path(getDriver().ResourceDir);
357 if (Triple.isOSUnknown()) {
358 llvm::sys::path::append(Path, "lib");
359 } else {
360 llvm::sys::path::append(Path, "lib", getOSLibName());
361 }
362 return Path.str();
363 }
364
365 std::string ToolChain::getCompilerRT(const ArgList &Args, StringRef Component,
366 bool Shared) const {
367 const llvm::Triple &TT = getTriple();
368 bool IsITANMSVCWindows =
369 TT.isWindowsMSVCEnvironment() || TT.isWindowsItaniumEnvironment();
370
371 const char *Prefix = IsITANMSVCWindows ? "" : "lib";
372 const char *Suffix = Shared ? (Triple.isOSWindows() ? ".lib" : ".so")
373 : (IsITANMSVCWindows ? ".lib" : ".a");
374 if (Shared && Triple.isWindowsGNUEnvironment())
375 Suffix = ".dll.a";
376
377 for (const auto &LibPath : getLibraryPaths()) {
378 SmallString<128> P(LibPath);
379 llvm::sys::path::append(P, Prefix + Twine("clang_rt.") + Component + Suffix);
380 if (getVFS().exists(P))
381 return P.str();
382 }
383
384 StringRef Arch = getArchNameForCompilerRTLib(*this, Args);
385 const char *Env = TT.isAndroid() ? "-android" : "";
386 SmallString<128> Path(getCompilerRTPath());
387 llvm::sys::path::append(Path, Prefix + Twine("clang_rt.") + Component + "-" +
388 Arch + Env + Suffix);
389 return Path.str();
390 }
391
392 const char *ToolChain::getCompilerRTArgString(const llvm::opt::ArgList &Args,
393 StringRef Component,
394 bool Shared) const {
395 return Args.MakeArgString(getCompilerRT(Args, Component, Shared));
396 }
397
398 std::string ToolChain::getArchSpecificLibPath() const {
399 SmallString<128> Path(getDriver().ResourceDir);
400 llvm::sys::path::append(Path, "lib", getOSLibName(),
401 llvm::Triple::getArchTypeName(getArch()));
402 return Path.str();
403 }
404
405 bool ToolChain::needsProfileRT(const ArgList &Args) {
406 if (needsGCovInstrumentation(Args) ||
407 Args.hasArg(options::OPT_fprofile_generate) ||
408 Args.hasArg(options::OPT_fprofile_generate_EQ) ||
409 Args.hasArg(options::OPT_fprofile_instr_generate) ||
410 Args.hasArg(options::OPT_fprofile_instr_generate_EQ) ||
411 Args.hasArg(options::OPT_fcreate_profile))
412 return true;
413
414 return false;
415 }
416
417 bool ToolChain::needsGCovInstrumentation(const llvm::opt::ArgList &Args) {
418 return Args.hasFlag(options::OPT_fprofile_arcs, options::OPT_fno_profile_arcs,
419 false) ||
420 Args.hasArg(options::OPT_coverage);
421 }
422
423 Tool *ToolChain::SelectTool(const JobAction &JA) const {
424 if (getDriver().ShouldUseClangCompiler(JA)) return getClang();
425 Action::ActionClass AC = JA.getKind();
426 if (AC == Action::AssembleJobClass && useIntegratedAs())
427 return getClangAs();
428 return getTool(AC);
429 }
430
431 std::string ToolChain::GetFilePath(const char *Name) const {
432 return D.GetFilePath(Name, *this);
433 }
434
435 std::string ToolChain::GetProgramPath(const char *Name) const {
436 return D.GetProgramPath(Name, *this);
437 }
438
439 std::string ToolChain::GetLinkerPath() const {
440 const Arg* A = Args.getLastArg(options::OPT_fuse_ld_EQ);
441 StringRef UseLinker = A ? A->getValue() : CLANG_DEFAULT_LINKER;
442
443 if (llvm::sys::path::is_absolute(UseLinker)) {
444 // If we're passed what looks like an absolute path, don't attempt to
445 // second-guess that.
446 if (llvm::sys::fs::can_execute(UseLinker))
447 return UseLinker;
448 } else if (UseLinker.empty() || UseLinker == "ld") {
449 // If we're passed -fuse-ld= with no argument, or with the argument ld,
450 // then use whatever the default system linker is.
451 return GetProgramPath(getDefaultLinker());
452 } else {
453 llvm::SmallString<8> LinkerName;
454 if (Triple.isOSDarwin())
455 LinkerName.append("ld64.");
456 else
457 LinkerName.append("ld.");
458 LinkerName.append(UseLinker);
459
460 std::string LinkerPath(GetProgramPath(LinkerName.c_str()));
461 if (llvm::sys::fs::can_execute(LinkerPath))
462 return LinkerPath;
463 }
464
465 if (A)
466 getDriver().Diag(diag::err_drv_invalid_linker_name) << A->getAsString(Args);
467
468 return GetProgramPath(getDefaultLinker());
469 }
470
471 types::ID ToolChain::LookupTypeForExtension(StringRef Ext) const {
472 return types::lookupTypeForExtension(Ext);
473 }
474
475 bool ToolChain::HasNativeLLVMSupport() const {
476 return false;
477 }
478
479 bool ToolChain::isCrossCompiling() const {
480 llvm::Triple HostTriple(LLVM_HOST_TRIPLE);
481 switch (HostTriple.getArch()) {
482 // The A32/T32/T16 instruction sets are not separate architectures in this
483 // context.
484 case llvm::Triple::arm:
485 case llvm::Triple::armeb:
486 case llvm::Triple::thumb:
487 case llvm::Triple::thumbeb:
488 return getArch() != llvm::Triple::arm && getArch() != llvm::Triple::thumb &&
489 getArch() != llvm::Triple::armeb && getArch() != llvm::Triple::thumbeb;
490 default:
491 return HostTriple.getArch() != getArch();
492 }
493 }
494
495 ObjCRuntime ToolChain::getDefaultObjCRuntime(bool isNonFragile) const {
496 return ObjCRuntime(isNonFragile ? ObjCRuntime::GNUstep : ObjCRuntime::GCC,
497 VersionTuple());
498 }
499
500 llvm::ExceptionHandling
501 ToolChain::GetExceptionModel(const llvm::opt::ArgList &Args) const {
502 return llvm::ExceptionHandling::None;
503 }
504
505 bool ToolChain::isThreadModelSupported(const StringRef Model) const {
506 if (Model == "single") {
507 // FIXME: 'single' is only supported on ARM and WebAssembly so far.
508 return Triple.getArch() == llvm::Triple::arm ||
509 Triple.getArch() == llvm::Triple::armeb ||
510 Triple.getArch() == llvm::Triple::thumb ||
511 Triple.getArch() == llvm::Triple::thumbeb ||
512 Triple.getArch() == llvm::Triple::wasm32 ||
513 Triple.getArch() == llvm::Triple::wasm64;
514 } else if (Model == "posix")
515 return true;
516
517 return false;
518 }
519
520 std::string ToolChain::ComputeLLVMTriple(const ArgList &Args,
521 types::ID InputType) const {
522 switch (getTriple().getArch()) {
523 default:
524 return getTripleString();
525
526 case llvm::Triple::x86_64: {
527 llvm::Triple Triple = getTriple();
528 if (!Triple.isOSBinFormatMachO())
529 return getTripleString();
530
531 if (Arg *A = Args.getLastArg(options::OPT_march_EQ)) {
532 // x86_64h goes in the triple. Other -march options just use the
533 // vanilla triple we already have.
534 StringRef MArch = A->getValue();
535 if (MArch == "x86_64h")
536 Triple.setArchName(MArch);
537 }
538 return Triple.getTriple();
539 }
540 case llvm::Triple::aarch64: {
541 llvm::Triple Triple = getTriple();
542 if (!Triple.isOSBinFormatMachO())
543 return getTripleString();
544
545 // FIXME: older versions of ld64 expect the "arm64" component in the actual
546 // triple string and query it to determine whether an LTO file can be
547 // handled. Remove this when we don't care any more.
548 Triple.setArchName("arm64");
549 return Triple.getTriple();
550 }
551 case llvm::Triple::arm:
552 case llvm::Triple::armeb:
553 case llvm::Triple::thumb:
554 case llvm::Triple::thumbeb: {
555 // FIXME: Factor into subclasses.
556 llvm::Triple Triple = getTriple();
557 bool IsBigEndian = getTriple().getArch() == llvm::Triple::armeb ||
558 getTriple().getArch() == llvm::Triple::thumbeb;
559
560 // Handle pseudo-target flags '-mlittle-endian'/'-EL' and
561 // '-mbig-endian'/'-EB'.
562 if (Arg *A = Args.getLastArg(options::OPT_mlittle_endian,
563 options::OPT_mbig_endian)) {
564 IsBigEndian = !A->getOption().matches(options::OPT_mlittle_endian);
565 }
566
567 // Thumb2 is the default for V7 on Darwin.
568 //
569 // FIXME: Thumb should just be another -target-feaure, not in the triple.
570 StringRef MCPU, MArch;
571 if (const Arg *A = Args.getLastArg(options::OPT_mcpu_EQ))
572 MCPU = A->getValue();
573 if (const Arg *A = Args.getLastArg(options::OPT_march_EQ))
574 MArch = A->getValue();
575 std::string CPU =
576 Triple.isOSBinFormatMachO()
577 ? tools::arm::getARMCPUForMArch(MArch, Triple).str()
578 : tools::arm::getARMTargetCPU(MCPU, MArch, Triple);
579 StringRef Suffix =
580 tools::arm::getLLVMArchSuffixForARM(CPU, MArch, Triple);
581 bool IsMProfile = ARM::parseArchProfile(Suffix) == ARM::ProfileKind::M;
582 bool ThumbDefault = IsMProfile || (ARM::parseArchVersion(Suffix) == 7 &&
583 getTriple().isOSBinFormatMachO());
584 // FIXME: this is invalid for WindowsCE
585 if (getTriple().isOSWindows())
586 ThumbDefault = true;
587 std::string ArchName;
588 if (IsBigEndian)
589 ArchName = "armeb";
590 else
591 ArchName = "arm";
592
593 // Check if ARM ISA was explicitly selected (using -mno-thumb or -marm) for
594 // M-Class CPUs/architecture variants, which is not supported.
595 bool ARMModeRequested = !Args.hasFlag(options::OPT_mthumb,
596 options::OPT_mno_thumb, ThumbDefault);
597 if (IsMProfile && ARMModeRequested) {
598 if (!MCPU.empty())
599 getDriver().Diag(diag::err_cpu_unsupported_isa) << CPU << "ARM";
600 else
601 getDriver().Diag(diag::err_arch_unsupported_isa)
602 << tools::arm::getARMArch(MArch, getTriple()) << "ARM";
603 }
604
605 // Check to see if an explicit choice to use thumb has been made via
606 // -mthumb. For assembler files we must check for -mthumb in the options
607 // passed to the assembler via -Wa or -Xassembler.
608 bool IsThumb = false;
609 if (InputType != types::TY_PP_Asm)
610 IsThumb = Args.hasFlag(options::OPT_mthumb, options::OPT_mno_thumb,
611 ThumbDefault);
612 else {
613 // Ideally we would check for these flags in
614 // CollectArgsForIntegratedAssembler but we can't change the ArchName at
615 // that point. There is no assembler equivalent of -mno-thumb, -marm, or
616 // -mno-arm.
617 for (const auto *A :
618 Args.filtered(options::OPT_Wa_COMMA, options::OPT_Xassembler)) {
619 for (StringRef Value : A->getValues()) {
620 if (Value == "-mthumb")
621 IsThumb = true;
622 }
623 }
624 }
625 // Assembly files should start in ARM mode, unless arch is M-profile, or
626 // -mthumb has been passed explicitly to the assembler. Windows is always
627 // thumb.
628 if (IsThumb || IsMProfile || getTriple().isOSWindows()) {
629 if (IsBigEndian)
630 ArchName = "thumbeb";
631 else
632 ArchName = "thumb";
633 }
634 Triple.setArchName(ArchName + Suffix.str());
635
636 return Triple.getTriple();
637 }
638 }
639 }
640
641 std::string ToolChain::ComputeEffectiveClangTriple(const ArgList &Args,
642 types::ID InputType) const {
643 return ComputeLLVMTriple(Args, InputType);
644 }
645
646 void ToolChain::AddClangSystemIncludeArgs(const ArgList &DriverArgs,
647 ArgStringList &CC1Args) const {
648 // Each toolchain should provide the appropriate include flags.
649 }
650
651 void ToolChain::addClangTargetOptions(
652 const ArgList &DriverArgs, ArgStringList &CC1Args,
653 Action::OffloadKind DeviceOffloadKind) const {}
654
655 void ToolChain::addClangWarningOptions(ArgStringList &CC1Args) const {}
656
657 void ToolChain::addProfileRTLibs(const llvm::opt::ArgList &Args,
658 llvm::opt::ArgStringList &CmdArgs) const {
659 if (!needsProfileRT(Args)) return;
660
661 CmdArgs.push_back(getCompilerRTArgString(Args, "profile"));
662 }
663
664 ToolChain::RuntimeLibType ToolChain::GetRuntimeLibType(
665 const ArgList &Args) const {
666 const Arg* A = Args.getLastArg(options::OPT_rtlib_EQ);
667 StringRef LibName = A ? A->getValue() : CLANG_DEFAULT_RTLIB;
668
669 // Only use "platform" in tests to override CLANG_DEFAULT_RTLIB!
670 if (LibName == "compiler-rt")
671 return ToolChain::RLT_CompilerRT;
672 else if (LibName == "libgcc")
673 return ToolChain::RLT_Libgcc;
674 else if (LibName == "platform")
675 return GetDefaultRuntimeLibType();
676
677 if (A)
678 getDriver().Diag(diag::err_drv_invalid_rtlib_name) << A->getAsString(Args);
679
680 return GetDefaultRuntimeLibType();
681 }
682
683 ToolChain::CXXStdlibType ToolChain::GetCXXStdlibType(const ArgList &Args) const{
684 const Arg *A = Args.getLastArg(options::OPT_stdlib_EQ);
685 StringRef LibName = A ? A->getValue() : CLANG_DEFAULT_CXX_STDLIB;
686
687 // Only use "platform" in tests to override CLANG_DEFAULT_CXX_STDLIB!
688 if (LibName == "libc++")
689 return ToolChain::CST_Libcxx;
690 else if (LibName == "libstdc++")
691 return ToolChain::CST_Libstdcxx;
692 else if (LibName == "platform")
693 return GetDefaultCXXStdlibType();
694
695 if (A)
696 getDriver().Diag(diag::err_drv_invalid_stdlib_name) << A->getAsString(Args);
697
698 return GetDefaultCXXStdlibType();
699 }
700
701 /// Utility function to add a system include directory to CC1 arguments.
702 /*static*/ void ToolChain::addSystemInclude(const ArgList &DriverArgs,
703 ArgStringList &CC1Args,
704 const Twine &Path) {
705 CC1Args.push_back("-internal-isystem");
706 CC1Args.push_back(DriverArgs.MakeArgString(Path));
707 }
708
709 /// Utility function to add a system include directory with extern "C"
710 /// semantics to CC1 arguments.
711 ///
712 /// Note that this should be used rarely, and only for directories that
713 /// historically and for legacy reasons are treated as having implicit extern
714 /// "C" semantics. These semantics are *ignored* by and large today, but its
715 /// important to preserve the preprocessor changes resulting from the
716 /// classification.
717 /*static*/ void ToolChain::addExternCSystemInclude(const ArgList &DriverArgs,
718 ArgStringList &CC1Args,
719 const Twine &Path) {
720 CC1Args.push_back("-internal-externc-isystem");
721 CC1Args.push_back(DriverArgs.MakeArgString(Path));
722 }
723
724 void ToolChain::addExternCSystemIncludeIfExists(const ArgList &DriverArgs,
725 ArgStringList &CC1Args,
726 const Twine &Path) {
727 if (llvm::sys::fs::exists(Path))
728 addExternCSystemInclude(DriverArgs, CC1Args, Path);
729 }
730
731 /// Utility function to add a list of system include directories to CC1.
732 /*static*/ void ToolChain::addSystemIncludes(const ArgList &DriverArgs,
733 ArgStringList &CC1Args,
734 ArrayRef<StringRef> Paths) {
735 for (const auto Path : Paths) {
736 CC1Args.push_back("-internal-isystem");
737 CC1Args.push_back(DriverArgs.MakeArgString(Path));
738 }
739 }
740
741 void ToolChain::AddClangCXXStdlibIncludeArgs(const ArgList &DriverArgs,
742 ArgStringList &CC1Args) const {
743 // Header search paths should be handled by each of the subclasses.
744 // Historically, they have not been, and instead have been handled inside of
745 // the CC1-layer frontend. As the logic is hoisted out, this generic function
746 // will slowly stop being called.
747 //
748 // While it is being called, replicate a bit of a hack to propagate the
749 // '-stdlib=' flag down to CC1 so that it can in turn customize the C++
750 // header search paths with it. Once all systems are overriding this
751 // function, the CC1 flag and this line can be removed.
752 DriverArgs.AddAllArgs(CC1Args, options::OPT_stdlib_EQ);
753 }
754
755 bool ToolChain::ShouldLinkCXXStdlib(const llvm::opt::ArgList &Args) const {
756 return getDriver().CCCIsCXX() &&
757 !Args.hasArg(options::OPT_nostdlib, options::OPT_nodefaultlibs,
758 options::OPT_nostdlibxx);
759 }
760
761 void ToolChain::AddCXXStdlibLibArgs(const ArgList &Args,
762 ArgStringList &CmdArgs) const {
763 assert(!Args.hasArg(options::OPT_nostdlibxx) &&
764 "should not have called this");
765 CXXStdlibType Type = GetCXXStdlibType(Args);
766
767 switch (Type) {
768 case ToolChain::CST_Libcxx:
769 CmdArgs.push_back("-lc++");
770 break;
771
772 case ToolChain::CST_Libstdcxx:
773 CmdArgs.push_back("-lstdc++");
774 break;
775 }
776 }
777
778 void ToolChain::AddFilePathLibArgs(const ArgList &Args,
779 ArgStringList &CmdArgs) const {
780 for (const auto &LibPath : getLibraryPaths())
781 if(LibPath.length() > 0)
782 CmdArgs.push_back(Args.MakeArgString(StringRef("-L") + LibPath));
783
784 for (const auto &LibPath : getFilePaths())
785 if(LibPath.length() > 0)
786 CmdArgs.push_back(Args.MakeArgString(StringRef("-L") + LibPath));
787 }
788
789 void ToolChain::AddCCKextLibArgs(const ArgList &Args,
790 ArgStringList &CmdArgs) const {
791 CmdArgs.push_back("-lcc_kext");
792 }
793
794 bool ToolChain::AddFastMathRuntimeIfAvailable(const ArgList &Args,
795 ArgStringList &CmdArgs) const {
796 // Do not check for -fno-fast-math or -fno-unsafe-math when -Ofast passed
797 // (to keep the linker options consistent with gcc and clang itself).
798 if (!isOptimizationLevelFast(Args)) {
799 // Check if -ffast-math or -funsafe-math.
800 Arg *A =
801 Args.getLastArg(options::OPT_ffast_math, options::OPT_fno_fast_math,
802 options::OPT_funsafe_math_optimizations,
803 options::OPT_fno_unsafe_math_optimizations);
804
805 if (!A || A->getOption().getID() == options::OPT_fno_fast_math ||
806 A->getOption().getID() == options::OPT_fno_unsafe_math_optimizations)
807 return false;
808 }
809 // If crtfastmath.o exists add it to the arguments.
810 std::string Path = GetFilePath("crtfastmath.o");
811 if (Path == "crtfastmath.o") // Not found.
812 return false;
813
814 CmdArgs.push_back(Args.MakeArgString(Path));
815 return true;
816 }
817
818 SanitizerMask ToolChain::getSupportedSanitizers() const {
819 // Return sanitizers which don't require runtime support and are not
820 // platform dependent.
821
822 using namespace SanitizerKind;
823
824 SanitizerMask Res = (Undefined & ~Vptr & ~Function) | (CFI & ~CFIICall) |
825 CFICastStrict | UnsignedIntegerOverflow |
826 ImplicitConversion | Nullability | LocalBounds;
827 if (getTriple().getArch() == llvm::Triple::x86 ||
828 getTriple().getArch() == llvm::Triple::x86_64 ||
829 getTriple().getArch() == llvm::Triple::arm ||
830 getTriple().getArch() == llvm::Triple::aarch64 ||
831 getTriple().getArch() == llvm::Triple::wasm32 ||
832 getTriple().getArch() == llvm::Triple::wasm64)
833 Res |= CFIICall;
834 if (getTriple().getArch() == llvm::Triple::x86_64 ||
835 getTriple().getArch() == llvm::Triple::aarch64)
836 Res |= ShadowCallStack;
837 return Res;
838 }
839
840 void ToolChain::AddCudaIncludeArgs(const ArgList &DriverArgs,
841 ArgStringList &CC1Args) const {}
842
843 void ToolChain::AddIAMCUIncludeArgs(const ArgList &DriverArgs,
844 ArgStringList &CC1Args) const {}
845
846 static VersionTuple separateMSVCFullVersion(unsigned Version) {
847 if (Version < 100)
848 return VersionTuple(Version);
849
850 if (Version < 10000)
851 return VersionTuple(Version / 100, Version % 100);
852
853 unsigned Build = 0, Factor = 1;
854 for (; Version > 10000; Version = Version / 10, Factor = Factor * 10)
855 Build = Build + (Version % 10) * Factor;
856 return VersionTuple(Version / 100, Version % 100, Build);
857 }
858
859 VersionTuple
860 ToolChain::computeMSVCVersion(const Driver *D,
861 const llvm::opt::ArgList &Args) const {
862 const Arg *MSCVersion = Args.getLastArg(options::OPT_fmsc_version);
863 const Arg *MSCompatibilityVersion =
864 Args.getLastArg(options::OPT_fms_compatibility_version);
865
866 if (MSCVersion && MSCompatibilityVersion) {
867 if (D)
868 D->Diag(diag::err_drv_argument_not_allowed_with)
869 << MSCVersion->getAsString(Args)
870 << MSCompatibilityVersion->getAsString(Args);
871 return VersionTuple();
872 }
873
874 if (MSCompatibilityVersion) {
875 VersionTuple MSVT;
876 if (MSVT.tryParse(MSCompatibilityVersion->getValue())) {
877 if (D)
878 D->Diag(diag::err_drv_invalid_value)
879 << MSCompatibilityVersion->getAsString(Args)
880 << MSCompatibilityVersion->getValue();
881 } else {
882 return MSVT;
883 }
884 }
885
886 if (MSCVersion) {
887 unsigned Version = 0;
888 if (StringRef(MSCVersion->getValue()).getAsInteger(10, Version)) {
889 if (D)
890 D->Diag(diag::err_drv_invalid_value)
891 << MSCVersion->getAsString(Args) << MSCVersion->getValue();
892 } else {
893 return separateMSVCFullVersion(Version);
894 }
895 }
896
897 return VersionTuple();
898 }
899
900 llvm::opt::DerivedArgList *ToolChain::TranslateOpenMPTargetArgs(
901 const llvm::opt::DerivedArgList &Args, bool SameTripleAsHost,
902 SmallVectorImpl<llvm::opt::Arg *> &AllocatedArgs) const {
903 DerivedArgList *DAL = new DerivedArgList(Args.getBaseArgs());
904 const OptTable &Opts = getDriver().getOpts();
905 bool Modified = false;
906
907 // Handle -Xopenmp-target flags
908 for (auto *A : Args) {
909 // Exclude flags which may only apply to the host toolchain.
910 // Do not exclude flags when the host triple (AuxTriple)
911 // matches the current toolchain triple. If it is not present
912 // at all, target and host share a toolchain.
913 if (A->getOption().matches(options::OPT_m_Group)) {
914 if (SameTripleAsHost)
915 DAL->append(A);
916 else
917 Modified = true;
918 continue;
919 }
920
921 unsigned Index;
922 unsigned Prev;
923 bool XOpenMPTargetNoTriple =
924 A->getOption().matches(options::OPT_Xopenmp_target);
925
926 if (A->getOption().matches(options::OPT_Xopenmp_target_EQ)) {
927 // Passing device args: -Xopenmp-target=<triple> -opt=val.
928 if (A->getValue(0) == getTripleString())
929 Index = Args.getBaseArgs().MakeIndex(A->getValue(1));
930 else
931 continue;
932 } else if (XOpenMPTargetNoTriple) {
933 // Passing device args: -Xopenmp-target -opt=val.
934 Index = Args.getBaseArgs().MakeIndex(A->getValue(0));
935 } else {
936 DAL->append(A);
937 continue;
938 }
939
940 // Parse the argument to -Xopenmp-target.
941 Prev = Index;
942 std::unique_ptr<Arg> XOpenMPTargetArg(Opts.ParseOneArg(Args, Index));
943 if (!XOpenMPTargetArg || Index > Prev + 1) {
944 getDriver().Diag(diag::err_drv_invalid_Xopenmp_target_with_args)
945 << A->getAsString(Args);
946 continue;
947 }
948 if (XOpenMPTargetNoTriple && XOpenMPTargetArg &&
949 Args.getAllArgValues(options::OPT_fopenmp_targets_EQ).size() != 1) {
950 getDriver().Diag(diag::err_drv_Xopenmp_target_missing_triple);
951 continue;
952 }
953 XOpenMPTargetArg->setBaseArg(A);
954 A = XOpenMPTargetArg.release();
955 AllocatedArgs.push_back(A);
956 DAL->append(A);
957 Modified = true;
958 }
959
960 if (Modified)
961 return DAL;
962
963 delete DAL;
964 return nullptr;
965 }
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:655
clang::ento::Nullability
Nullability
Definition: CheckerHelpers.h:53
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:717
clang::driver::ToolChain::setTripleEnvironment
void setTripleEnvironment(llvm::Triple::EnvironmentType Env)
Definition: ToolChain.cpp:94
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:520
clang::driver::Action::AnalyzeJobClass
Definition: Action.h:63
clang::driver::ToolChain::addExternCSystemIncludeIfExists
static void addExternCSystemIncludeIfExists(const llvm::opt::ArgList &DriverArgs, llvm::opt::ArgStringList &CC1Args, const Twine &Path)
Definition: ToolChain.cpp:724
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:789
clang::driver::ToolChain::getDefaultLinker
virtual const char * getDefaultLinker() const
GetDefaultLinker - Get the default linker to use.
Definition: ToolChain.h:360
llvm
DominatorTree GraphTraits specialization so the DominatorTree can be iterable by generic graph iterat...
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:495
clang::driver::ToolChain::getCompilerRTArgString
const char * getCompilerRTArgString(const llvm::opt::ArgList &Args, StringRef Component, bool Shared=false) const
Definition: ToolChain.cpp:392
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Definition: Action.h:70
Job.h
P
StringRef P
Definition: ASTMatchersInternal.cpp:439
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:65
clang::Type
The base class of the type hierarchy.
Definition: Type.h:1407
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const XRayArgs & getXRayArgs() const
Definition: ToolChain.cpp:122
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:741
clang::driver::ToolChain::getOS
StringRef getOS() const
Definition: ToolChain.h:205
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Definition: ToolChain.h:104
clang::driver::ToolChain::RLT_Libgcc
Definition: ToolChain.h:100
clang::driver::ToolChain::isThreadModelSupported
virtual bool isThreadModelSupported(const StringRef Model) const
isThreadModelSupported() - Does this target support a thread model?
Definition: ToolChain.cpp:505
clang::driver::Driver::getTargetTriple
std::string getTargetTriple() const
Definition: Driver.h:308
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:247
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DiagnosticBuilder Diag(unsigned DiagID) const
Definition: Driver.h:109
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Definition: XRayArgs.h:22
Value
Value
Definition: UninitializedValues.cpp:102
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&#39;gcc&#39; is the Objective-C runtime shipped with GCC, implementing a fragile Objective-C ABI ...
Definition: ObjCRuntime.h:53
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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:204
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static VersionTuple separateMSVCFullVersion(unsigned Version)
Definition: ToolChain.cpp:846
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ID
Definition: Types.h:22
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:657
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std::string GetLinkerPath() const
Returns the linker path, respecting the -fuse-ld= argument to determine the linker suffix or name...
Definition: ToolChain.cpp:439
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FloatABI getARMFloatABI(const ToolChain &TC, const llvm::opt::ArgList &Args)
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Clang integrated assembler tool.
Definition: Clang.h:115
Action.h
Sanitizers.h
Defines the clang::SanitizerKind enum.
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const std::string getARMArch(llvm::StringRef Arch, const llvm::Triple &Triple)
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Definition: ToolChain.h:93
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const char * getFilename() const
Definition: InputInfo.h:84
SanitizerArgs.h
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Definition: ToolChain.h:105
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:646
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Definition: Action.h:374
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static StringRef getArchNameForCompilerRTLib(const ToolChain &TC, const ArgList &Args)
Definition: ToolChain.cpp:323
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Definition: ToolChain.h:94
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StringRef getOSLibName() const
Definition: ToolChain.cpp:340
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Definition: LLVM.h:37
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Definition: Action.h:56
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Definition: SanitizerArgs.h:24
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static bool needsProfileRT(const llvm::opt::ArgList &Args)
needsProfileRT - returns true if instrumentation profile is on.
Definition: ToolChain.cpp:405
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std::string getTripleString() const
Definition: ToolChain.h:211
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Definition: Action.h:57
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StringRef getARMCPUForMArch(llvm::StringRef Arch, const llvm::Triple &Triple)
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InputInfo - Wrapper for information about an input source.
Definition: InputInfo.h:23
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std::string GetFilePath(const char *Name) const
Definition: ToolChain.cpp:431
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RuntimeLibType
Definition: ToolChain.h:98
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bool isOptimizationLevelFast(const llvm::opt::ArgList &Args)
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path_list & getFilePaths()
Definition: ToolChain.h:224
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:794
clang::driver::Driver
Driver - Encapsulate logic for constructing compilation processes from a set of gcc-driver-like comma...
Definition: Driver.h:58
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Definition: LLVM.h:32
llvm::SmallString< 128 >
clang::driver::ToolChain::ToolChain
ToolChain(const Driver &D, const llvm::Triple &T, const llvm::opt::ArgList &Args)
Definition: ToolChain.cpp:73
Driver.h
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virtual bool IsIntegratedAssemblerDefault() const
IsIntegratedAssemblerDefault - Does this tool chain enable -integrated-as by default.
Definition: ToolChain.h:324
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llvm::vfs::FileSystem & getVFS() const
Definition: Driver.h:297
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virtual bool useRelaxRelocations() const
Check whether to enable x86 relax relocations by default.
Definition: ToolChain.cpp:112
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virtual bool useIntegratedAs() const
Check if the toolchain should use the integrated assembler.
Definition: ToolChain.cpp:106
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ActionClass getKind() const
Definition: Action.h:140
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Definition: Action.h:24
clang::driver::ToolChain::computeMSVCVersion
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On Windows, returns the MSVC compatibility version.
Definition: ToolChain.cpp:860
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:732
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GetExceptionModel - Return the tool chain exception model.
Definition: ToolChain.cpp:501
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Definition: ToolChain.cpp:53
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Definition: ToolChain.cpp:261
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Definition: ToolChain.cpp:177
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TranslateOpenMPTargetArgs - Create a new derived argument list for that contains the OpenMP target sp...
Definition: ToolChain.cpp:900
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Definition: Action.h:72
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virtual types::ID LookupTypeForExtension(StringRef Ext) const
LookupTypeForExtension - Return the default language type to use for the given extension.
Definition: ToolChain.cpp:471
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Definition: ToolChain.cpp:137
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virtual std::string getCompilerRT(const llvm::opt::ArgList &Args, StringRef Component, bool Shared=false) const
Definition: ToolChain.cpp:365
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Definition: Action.h:58
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&#39;gnustep&#39; is the modern non-fragile GNUstep runtime.
Definition: ObjCRuntime.h:56
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virtual CXXStdlibType GetDefaultCXXStdlibType() const
Definition: ToolChain.h:367
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path_list & getLibraryPaths()
Definition: ToolChain.h:221
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llvm::Triple::ArchType getArch() const
Definition: ToolChain.h:202
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virtual void AddCudaIncludeArgs(const llvm::opt::ArgList &DriverArgs, llvm::opt::ArgStringList &CC1Args) const
Add arguments to use system-specific CUDA includes.
Definition: ToolChain.cpp:840
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Definition: Action.h:64
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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:243
Clang.h
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:778
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Offload bundler tool.
Definition: Clang.h:134
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const Driver & getDriver() const
Definition: ToolChain.h:186
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Definition: Action.h:74
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bool CCCIsCXX() const
Whether the driver should follow g++ like behavior.
Definition: Driver.h:173
ToolChain.h
clang::driver::Action::OffloadClass
Definition: Action.h:59
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:702
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:475
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constexpr XRayInstrMask None
Definition: XRayInstr.h:38
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Definition: Action.h:61
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virtual RuntimeLibType GetRuntimeLibType(const llvm::opt::ArgList &Args) const
Definition: ToolChain.cpp:664
clang::driver::ToolChain::getVFS
llvm::vfs::FileSystem & getVFS() const
Definition: ToolChain.cpp:102
clang::driver::ToolChain::buildAssembler
virtual Tool * buildAssembler() const
Definition: ToolChain.cpp:257
clang::driver::ParsedClangName
Helper structure used to pass information extracted from clang executable name such as i686-linux-and...
Definition: ToolChain.h:62
clang::driver::ToolChain::RLT_CompilerRT
Definition: ToolChain.h:99
clang::driver::tools::arm::getARMTargetCPU
std::string getARMTargetCPU(StringRef CPU, llvm::StringRef Arch, const llvm::Triple &Triple)
clang::driver::Action::OffloadKind
OffloadKind
Definition: Action.h:83
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:755
clang
Dataflow Directional Tag Classes.
Definition: CFGReachabilityAnalysis.h:22
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:641
clang::driver::tools::Clang
Clang compiler tool.
Definition: Clang.h:29
CalculateRTTIMode
static ToolChain::RTTIMode CalculateRTTIMode(const ArgList &Args, const llvm::Triple &Triple, const Arg *CachedRTTIArg)
Definition: ToolChain.cpp:58
clang::ObjCRuntime
The basic abstraction for the target Objective-C runtime.
Definition: ObjCRuntime.h:28
clang::driver::Tool
Tool - Information on a specific compilation tool.
Definition: Tool.h:34
clang::driver::ToolChain::RTTIMode
RTTIMode
Definition: ToolChain.h:103
clang::driver::ToolChain::getSanitizerArgs
const SanitizerArgs & getSanitizerArgs() const
Definition: ToolChain.cpp:116
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:168
InputInfo.h
clang::SanitizerMask
uint64_t SanitizerMask
Definition: Sanitizers.h:26
clang::driver::Action::LinkJobClass
Definition: Action.h:68
clang::driver::ToolChain::getDefaultUniversalArchName
StringRef getDefaultUniversalArchName() const
Provide the default architecture name (as expected by -arch) for this toolchain.
Definition: ToolChain.cpp:226
clang::driver::ToolChain::getTriple
const llvm::Triple & getTriple() const
Definition: ToolChain.h:188
clang::driver::Action::BackendJobClass
Definition: Action.h:66
clang::driver::Action::AssembleJobClass
Definition: Action.h:67
clang::driver::ToolChain::getSupportedSanitizers
virtual SanitizerMask getSupportedSanitizers() const
Return sanitizers which are available in this toolchain.
Definition: ToolChain.cpp:818
clang::driver::types::lookupTypeForExtension
ID lookupTypeForExtension(llvm::StringRef Ext)
lookupTypeForExtension - Lookup the type to use for the file extension Ext.
Definition: Types.cpp:195
clang::driver::ToolChain::getArchSpecificLibPath
std::string getArchSpecificLibPath() const
Definition: ToolChain.cpp:398
clang::driver::ToolChain::getTool
virtual Tool * getTool(Action::ActionClass AC) const
Definition: ToolChain.cpp:289
DriverDiagnostic.h
clang::driver::ToolChain::getCompilerRTPath
virtual std::string getCompilerRTPath() const
Definition: ToolChain.cpp:355
clang::driver::Action::OffloadBundlingJobClass
Definition: Action.h:73
clang::driver::ToolChain::GetProgramPath
std::string GetProgramPath(const char *Name) const
Definition: ToolChain.cpp:435
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:417
clang::driver::Driver::getOpts
const llvm::opt::OptTable & getOpts() const
Definition: Driver.h:293
clang::driver::ToolChain::isCrossCompiling
virtual bool isCrossCompiling() const
Returns true if the toolchain is targeting a non-native architecture.
Definition: ToolChain.cpp:479
clang::driver::ToolChain::GetCXXStdlibType
virtual CXXStdlibType GetCXXStdlibType(const llvm::opt::ArgList &Args) const
Definition: ToolChain.cpp:683
clang::driver::ToolChain::SelectTool
virtual Tool * SelectTool(const JobAction &JA) const
Choose a tool to use to handle the action JA.
Definition: ToolChain.cpp:423
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:843
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:651
clang::driver::Action::HeaderModulePrecompileJobClass
Definition: Action.h:62
clang::driver::ToolChain::CST_Libstdcxx
Definition: ToolChain.h:95
XRayArgs.h
clang::driver::ToolChain::GetDefaultRuntimeLibType
virtual RuntimeLibType GetDefaultRuntimeLibType() const
GetDefaultRuntimeLibType - Get the default runtime library variant to use.
Definition: ToolChain.h:363
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:761
clang::driver::ToolChain
ToolChain - Access to tools for a single platform.
Definition: ToolChain.h:89
clang::driver::Driver::ResourceDir
std::string ResourceDir
The path to the compiler resource directory.
Definition: Driver.h:132