17 #include "clang/Config/config.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" 47 using namespace clang;
48 using namespace driver;
49 using namespace tools;
54 return Args.getLastArg(options::OPT_mkernel, options::OPT_fapple_kext,
55 options::OPT_fno_rtti, options::OPT_frtti);
59 const llvm::Triple &Triple,
60 const Arg *CachedRTTIArg) {
63 if (CachedRTTIArg->getOption().matches(options::OPT_frtti))
83 if (
getVFS().exists(CandidateLibPath))
88 Triple.setEnvironment(Env);
89 if (EffectiveTriple != llvm::Triple())
90 EffectiveTriple.setEnvironment(Env);
98 return Args.hasFlag(options::OPT_fintegrated_as,
99 options::OPT_fno_integrated_as,
104 return ENABLE_X86_RELAX_RELOCATIONS;
108 if (!SanitizerArguments.get())
110 return *SanitizerArguments.get();
114 if (!XRayArguments.get())
115 XRayArguments.reset(
new XRayArgs(*
this, Args));
116 return *XRayArguments.get();
121 struct DriverSuffix {
123 const char *ModeFlag;
132 static const DriverSuffix DriverSuffixes[] = {
134 {
"clang++",
"--driver-mode=g++"},
135 {
"clang-c++",
"--driver-mode=g++"},
136 {
"clang-cc",
nullptr},
137 {
"clang-cpp",
"--driver-mode=cpp"},
138 {
"clang-g++",
"--driver-mode=g++"},
139 {
"clang-gcc",
nullptr},
140 {
"clang-cl",
"--driver-mode=cl"},
142 {
"cpp",
"--driver-mode=cpp"},
143 {
"cl",
"--driver-mode=cl"},
144 {
"++",
"--driver-mode=g++"},
147 for (
size_t i = 0; i < llvm::array_lengthof(DriverSuffixes); ++i) {
148 StringRef Suffix(DriverSuffixes[i].Suffix);
149 if (ProgName.endswith(Suffix)) {
150 Pos = ProgName.size() - Suffix.size();
151 return &DriverSuffixes[i];
160 std::string ProgName = llvm::sys::path::stem(Argv0);
163 std::transform(ProgName.begin(), ProgName.end(), ProgName.begin(), ::tolower);
181 ProgName = ProgName.rtrim(
"0123456789.");
188 ProgName = ProgName.slice(0, ProgName.rfind(
'-'));
201 size_t SuffixEnd = SuffixPos + strlen(DS->Suffix);
203 size_t LastComponent = ProgName.rfind(
'-', SuffixPos);
204 if (LastComponent == std::string::npos)
206 std::string ModeSuffix = ProgName.substr(LastComponent + 1,
207 SuffixEnd - LastComponent - 1);
210 StringRef Prefix(ProgName);
211 Prefix = Prefix.slice(0, LastComponent);
212 std::string IgnoredError;
213 bool IsRegistered = llvm::TargetRegistry::lookupTarget(Prefix, IgnoredError);
214 return ParsedClangName{Prefix, ModeSuffix, DS->ModeFlag, IsRegistered};
222 switch (Triple.getArch()) {
223 case llvm::Triple::ppc:
225 case llvm::Triple::ppc64:
227 case llvm::Triple::ppc64le:
230 return Triple.getArchName();
242 Tool *ToolChain::getClang()
const {
253 llvm_unreachable(
"Linking is not supported by this toolchain");
256 Tool *ToolChain::getAssemble()
const {
259 return Assemble.get();
262 Tool *ToolChain::getClangAs()
const {
265 return Assemble.get();
268 Tool *ToolChain::getLink()
const {
274 Tool *ToolChain::getOffloadBundler()
const {
283 return getAssemble();
294 llvm_unreachable(
"Invalid tool kind.");
307 return getOffloadBundler();
310 llvm_unreachable(
"Invalid tool kind.");
314 const ArgList &Args) {
315 const llvm::Triple &Triple = TC.
getTriple();
316 bool IsWindows = Triple.isOSWindows();
318 if (TC.
getArch() == llvm::Triple::arm || TC.
getArch() == llvm::Triple::armeb)
324 if (TC.
getArch() == llvm::Triple::x86 && Triple.isAndroid())
327 return llvm::Triple::getArchTypeName(TC.
getArch());
331 switch (Triple.getOS()) {
332 case llvm::Triple::FreeBSD:
334 case llvm::Triple::NetBSD:
336 case llvm::Triple::OpenBSD:
338 case llvm::Triple::Solaris:
347 if (Triple.isOSUnknown()) {
348 llvm::sys::path::append(Path,
"lib");
358 bool IsITANMSVCWindows =
359 TT.isWindowsMSVCEnvironment() || TT.isWindowsItaniumEnvironment();
361 const char *Prefix = IsITANMSVCWindows ?
"" :
"lib";
362 const char *Suffix = Shared ? (Triple.isOSWindows() ?
".dll" :
".so")
363 : (IsITANMSVCWindows ?
".lib" :
".a");
369 llvm::sys::path::append(P, Prefix + Twine(
"clang_rt.") + Component + Suffix);
374 const char *Env = TT.isAndroid() ?
"-android" :
"";
376 llvm::sys::path::append(Path, Prefix + Twine(
"clang_rt.") + Component +
"-" +
377 Arch + Env + Suffix);
384 return Args.MakeArgString(
getCompilerRT(Args, Component, Shared));
390 llvm::Triple::getArchTypeName(
getArch()));
395 if (Args.hasFlag(options::OPT_fprofile_arcs, options::OPT_fno_profile_arcs,
397 Args.hasArg(options::OPT_fprofile_generate) ||
398 Args.hasArg(options::OPT_fprofile_generate_EQ) ||
399 Args.hasArg(options::OPT_fprofile_instr_generate) ||
400 Args.hasArg(options::OPT_fprofile_instr_generate_EQ) ||
401 Args.hasArg(options::OPT_fcreate_profile) ||
402 Args.hasArg(options::OPT_coverage))
409 if (
getDriver().ShouldUseClangCompiler(JA))
return getClang();
417 return D.GetFilePath(Name, *
this);
421 return D.GetProgramPath(Name, *
this);
425 const Arg* A = Args.getLastArg(options::OPT_fuse_ld_EQ);
426 StringRef UseLinker = A ? A->getValue() : CLANG_DEFAULT_LINKER;
428 if (llvm::sys::path::is_absolute(UseLinker)) {
431 if (llvm::sys::fs::can_execute(UseLinker))
433 }
else if (UseLinker.empty() || UseLinker ==
"ld") {
439 if (Triple.isOSDarwin())
440 LinkerName.append(
"ld64.");
442 LinkerName.append(
"ld.");
443 LinkerName.append(UseLinker);
446 if (llvm::sys::fs::can_execute(LinkerPath))
451 getDriver().
Diag(diag::err_drv_invalid_linker_name) << A->getAsString(Args);
465 llvm::Triple HostTriple(LLVM_HOST_TRIPLE);
466 switch (HostTriple.getArch()) {
469 case llvm::Triple::arm:
470 case llvm::Triple::armeb:
471 case llvm::Triple::thumb:
472 case llvm::Triple::thumbeb:
473 return getArch() != llvm::Triple::arm &&
getArch() != llvm::Triple::thumb &&
474 getArch() != llvm::Triple::armeb &&
getArch() != llvm::Triple::thumbeb;
476 return HostTriple.getArch() !=
getArch();
485 llvm::ExceptionHandling
487 return llvm::ExceptionHandling::None;
491 if (Model ==
"single") {
493 return Triple.getArch() == llvm::Triple::arm ||
494 Triple.getArch() == llvm::Triple::armeb ||
495 Triple.getArch() == llvm::Triple::thumb ||
496 Triple.getArch() == llvm::Triple::thumbeb ||
497 Triple.getArch() == llvm::Triple::wasm32 ||
498 Triple.getArch() == llvm::Triple::wasm64;
499 }
else if (Model ==
"posix")
511 case llvm::Triple::x86_64: {
513 if (!Triple.isOSBinFormatMachO())
516 if (Arg *A = Args.getLastArg(options::OPT_march_EQ)) {
519 StringRef MArch = A->getValue();
520 if (MArch ==
"x86_64h")
521 Triple.setArchName(MArch);
523 return Triple.getTriple();
525 case llvm::Triple::aarch64: {
527 if (!Triple.isOSBinFormatMachO())
533 Triple.setArchName(
"arm64");
534 return Triple.getTriple();
536 case llvm::Triple::arm:
537 case llvm::Triple::armeb:
538 case llvm::Triple::thumb:
539 case llvm::Triple::thumbeb: {
542 bool IsBigEndian =
getTriple().getArch() == llvm::Triple::armeb ||
543 getTriple().getArch() == llvm::Triple::thumbeb;
547 if (Arg *A = Args.getLastArg(options::OPT_mlittle_endian,
548 options::OPT_mbig_endian)) {
549 IsBigEndian = !A->getOption().matches(options::OPT_mlittle_endian);
555 StringRef MCPU, MArch;
556 if (
const Arg *A = Args.getLastArg(options::OPT_mcpu_EQ))
557 MCPU = A->getValue();
558 if (
const Arg *A = Args.getLastArg(options::OPT_march_EQ))
559 MArch = A->getValue();
561 Triple.isOSBinFormatMachO()
566 bool IsMProfile = ARM::parseArchProfile(Suffix) == ARM::ProfileKind::M;
567 bool ThumbDefault = IsMProfile || (ARM::parseArchVersion(Suffix) == 7 &&
572 std::string ArchName;
580 bool ARMModeRequested = !Args.hasFlag(options::OPT_mthumb,
581 options::OPT_mno_thumb, ThumbDefault);
582 if (IsMProfile && ARMModeRequested) {
584 getDriver().
Diag(diag::err_cpu_unsupported_isa) << CPU <<
"ARM";
593 bool IsThumb =
false;
594 if (InputType != types::TY_PP_Asm)
595 IsThumb = Args.hasFlag(options::OPT_mthumb, options::OPT_mno_thumb,
603 Args.filtered(options::OPT_Wa_COMMA, options::OPT_Xassembler)) {
604 for (StringRef
Value : A->getValues()) {
605 if (
Value ==
"-mthumb")
613 if (IsThumb || IsMProfile ||
getTriple().isOSWindows()) {
615 ArchName =
"thumbeb";
619 Triple.setArchName(ArchName + Suffix.str());
621 return Triple.getTriple();
632 ArgStringList &CC1Args)
const {
637 const ArgList &DriverArgs, ArgStringList &CC1Args,
643 llvm::opt::ArgStringList &CmdArgs)
const {
650 const ArgList &Args)
const {
651 const Arg* A = Args.getLastArg(options::OPT_rtlib_EQ);
652 StringRef LibName = A ? A->getValue() : CLANG_DEFAULT_RTLIB;
655 if (LibName ==
"compiler-rt")
657 else if (LibName ==
"libgcc")
659 else if (LibName ==
"platform")
663 getDriver().
Diag(diag::err_drv_invalid_rtlib_name) << A->getAsString(Args);
669 const Arg *A = Args.getLastArg(options::OPT_stdlib_EQ);
670 StringRef LibName = A ? A->getValue() : CLANG_DEFAULT_CXX_STDLIB;
673 if (LibName ==
"libc++")
675 else if (LibName ==
"libstdc++")
677 else if (LibName ==
"platform")
681 getDriver().
Diag(diag::err_drv_invalid_stdlib_name) << A->getAsString(Args);
688 ArgStringList &CC1Args,
690 CC1Args.push_back(
"-internal-isystem");
691 CC1Args.push_back(DriverArgs.MakeArgString(Path));
703 ArgStringList &CC1Args,
705 CC1Args.push_back(
"-internal-externc-isystem");
706 CC1Args.push_back(DriverArgs.MakeArgString(Path));
710 ArgStringList &CC1Args,
712 if (llvm::sys::fs::exists(Path))
718 ArgStringList &CC1Args,
720 for (
const auto Path : Paths) {
721 CC1Args.push_back(
"-internal-isystem");
722 CC1Args.push_back(DriverArgs.MakeArgString(Path));
727 ArgStringList &CC1Args)
const {
737 DriverArgs.AddAllArgs(CC1Args, options::OPT_stdlib_EQ);
742 !Args.hasArg(options::OPT_nostdlib, options::OPT_nodefaultlibs,
743 options::OPT_nostdlibxx);
747 ArgStringList &CmdArgs)
const {
748 assert(!Args.hasArg(options::OPT_nostdlibxx) &&
749 "should not have called this");
754 CmdArgs.push_back(
"-lc++");
758 CmdArgs.push_back(
"-lstdc++");
764 ArgStringList &CmdArgs)
const {
766 if(LibPath.length() > 0)
767 CmdArgs.push_back(Args.MakeArgString(StringRef(
"-L") + LibPath));
771 ArgStringList &CmdArgs)
const {
772 CmdArgs.push_back(
"-lcc_kext");
776 ArgStringList &CmdArgs)
const {
782 Args.getLastArg(options::OPT_ffast_math, options::OPT_fno_fast_math,
783 options::OPT_funsafe_math_optimizations,
784 options::OPT_fno_unsafe_math_optimizations);
786 if (!A || A->getOption().getID() == options::OPT_fno_fast_math ||
787 A->getOption().getID() == options::OPT_fno_unsafe_math_optimizations)
792 if (Path ==
"crtfastmath.o")
795 CmdArgs.push_back(Args.MakeArgString(Path));
803 using namespace SanitizerKind;
805 SanitizerMask Res = (Undefined & ~Vptr & ~Function) | (CFI & ~CFIICall) |
806 CFICastStrict | UnsignedIntegerOverflow |
808 if (
getTriple().getArch() == llvm::Triple::x86 ||
809 getTriple().getArch() == llvm::Triple::x86_64 ||
810 getTriple().getArch() == llvm::Triple::arm ||
811 getTriple().getArch() == llvm::Triple::aarch64 ||
812 getTriple().getArch() == llvm::Triple::wasm32 ||
813 getTriple().getArch() == llvm::Triple::wasm64)
815 if (
getTriple().getArch() == llvm::Triple::x86_64 ||
816 getTriple().getArch() == llvm::Triple::aarch64)
817 Res |= ShadowCallStack;
822 ArgStringList &CC1Args)
const {}
825 ArgStringList &CC1Args)
const {}
829 return VersionTuple(Version);
832 return VersionTuple(Version / 100, Version % 100);
834 unsigned Build = 0, Factor = 1;
835 for (; Version > 10000; Version = Version / 10, Factor = Factor * 10)
836 Build = Build + (Version % 10) * Factor;
837 return VersionTuple(Version / 100, Version % 100, Build);
842 const llvm::opt::ArgList &Args)
const {
843 const Arg *MSCVersion = Args.getLastArg(options::OPT_fmsc_version);
844 const Arg *MSCompatibilityVersion =
845 Args.getLastArg(options::OPT_fms_compatibility_version);
847 if (MSCVersion && MSCompatibilityVersion) {
849 D->
Diag(diag::err_drv_argument_not_allowed_with)
850 << MSCVersion->getAsString(Args)
851 << MSCompatibilityVersion->getAsString(Args);
852 return VersionTuple();
855 if (MSCompatibilityVersion) {
857 if (MSVT.tryParse(MSCompatibilityVersion->getValue())) {
859 D->
Diag(diag::err_drv_invalid_value)
860 << MSCompatibilityVersion->getAsString(Args)
861 << MSCompatibilityVersion->getValue();
868 unsigned Version = 0;
869 if (StringRef(MSCVersion->getValue()).getAsInteger(10, Version)) {
871 D->
Diag(diag::err_drv_invalid_value)
872 << MSCVersion->getAsString(Args) << MSCVersion->getValue();
878 return VersionTuple();
882 const llvm::opt::DerivedArgList &Args,
bool SameTripleAsHost,
884 DerivedArgList *DAL =
new DerivedArgList(Args.getBaseArgs());
886 bool Modified =
false;
889 for (
auto *A : Args) {
894 if (A->getOption().matches(options::OPT_m_Group)) {
895 if (SameTripleAsHost)
904 bool XOpenMPTargetNoTriple =
905 A->getOption().matches(options::OPT_Xopenmp_target);
907 if (A->getOption().matches(options::OPT_Xopenmp_target_EQ)) {
910 Index = Args.getBaseArgs().MakeIndex(A->getValue(1));
913 }
else if (XOpenMPTargetNoTriple) {
915 Index = Args.getBaseArgs().MakeIndex(A->getValue(0));
923 std::unique_ptr<Arg> XOpenMPTargetArg(Opts.ParseOneArg(Args, Index));
924 if (!XOpenMPTargetArg || Index > Prev + 1) {
925 getDriver().
Diag(diag::err_drv_invalid_Xopenmp_target_with_args)
926 << A->getAsString(Args);
929 if (XOpenMPTargetNoTriple && XOpenMPTargetArg &&
930 Args.getAllArgValues(options::OPT_fopenmp_targets_EQ).size() != 1) {
931 getDriver().
Diag(diag::err_drv_Xopenmp_target_missing_triple);
934 XOpenMPTargetArg->setBaseArg(A);
935 A = XOpenMPTargetArg.release();
936 AllocatedArgs.push_back(A);
DominatorTree GraphTraits specialization so the DominatorTree can be iterable by generic graph iterat...
Defines types useful for describing an Objective-C runtime.
The base class of the type hierarchy.
std::string getTargetTriple() const
DiagnosticBuilder Diag(unsigned DiagID) const
'gcc' is the Objective-C runtime shipped with GCC, implementing a fragile Objective-C ABI ...
Defines the clang::SanitizerKind enum.
The virtual file system interface.
bool isOptimizationLevelFast(const llvm::opt::ArgList &Args)
Driver - Encapsulate logic for constructing compilation processes from a set of gcc-driver-like comma...
ActionClass getKind() const
'gnustep' is the modern non-fragile GNUstep runtime.
vfs::FileSystem & getVFS() const
bool CCCIsCXX() const
Whether the driver should follow g++ like behavior.
Helper structure used to pass information extracted from clang executable name such as i686-linux-and...
Dataflow Directional Tag Classes.
The basic abstraction for the target Objective-C runtime.
Defines the virtual file system interface vfs::FileSystem.
bool exists(const Twine &Path)
Check whether a file exists. Provided for convenience.
ID lookupTypeForExtension(llvm::StringRef Ext)
lookupTypeForExtension - Lookup the type to use for the file extension Ext.
const llvm::opt::OptTable & getOpts() const
std::string ResourceDir
The path to the compiler resource directory.