16 #include "clang/Config/config.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" 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))
85 llvm::sys::path::append(P, Triple.str(),
"lib");
90 if (
getVFS().exists(CandidateLibPath))
95 Triple.setEnvironment(Env);
96 if (EffectiveTriple != llvm::Triple())
97 EffectiveTriple.setEnvironment(Env);
107 return Args.hasFlag(options::OPT_fintegrated_as,
108 options::OPT_fno_integrated_as,
113 return ENABLE_X86_RELAX_RELOCATIONS;
117 if (!SanitizerArguments.get())
119 return *SanitizerArguments.get();
123 if (!XRayArguments.get())
124 XRayArguments.reset(
new XRayArgs(*
this, Args));
125 return *XRayArguments.get();
130 struct DriverSuffix {
132 const char *ModeFlag;
141 static const DriverSuffix DriverSuffixes[] = {
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"},
151 {
"cpp",
"--driver-mode=cpp"},
152 {
"cl",
"--driver-mode=cl"},
153 {
"++",
"--driver-mode=g++"},
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];
169 std::string ProgName = llvm::sys::path::stem(Argv0);
172 std::transform(ProgName.begin(), ProgName.end(), ProgName.begin(), ::tolower);
190 ProgName = ProgName.rtrim(
"0123456789.");
197 ProgName = ProgName.slice(0, ProgName.rfind(
'-'));
210 size_t SuffixEnd = SuffixPos + strlen(DS->Suffix);
212 size_t LastComponent = ProgName.rfind(
'-', SuffixPos);
213 if (LastComponent == std::string::npos)
215 std::string ModeSuffix = ProgName.substr(LastComponent + 1,
216 SuffixEnd - LastComponent - 1);
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};
231 switch (Triple.getArch()) {
232 case llvm::Triple::ppc:
234 case llvm::Triple::ppc64:
236 case llvm::Triple::ppc64le:
239 return Triple.getArchName();
251 Tool *ToolChain::getClang()
const {
262 llvm_unreachable(
"Linking is not supported by this toolchain");
265 Tool *ToolChain::getAssemble()
const {
268 return Assemble.get();
271 Tool *ToolChain::getClangAs()
const {
274 return Assemble.get();
277 Tool *ToolChain::getLink()
const {
283 Tool *ToolChain::getOffloadBundler()
const {
292 return getAssemble();
303 llvm_unreachable(
"Invalid tool kind.");
317 return getOffloadBundler();
320 llvm_unreachable(
"Invalid tool kind.");
324 const ArgList &Args) {
325 const llvm::Triple &Triple = TC.
getTriple();
326 bool IsWindows = Triple.isOSWindows();
328 if (TC.
getArch() == llvm::Triple::arm || TC.
getArch() == llvm::Triple::armeb)
334 if (TC.
getArch() == llvm::Triple::x86 && Triple.isAndroid())
337 return llvm::Triple::getArchTypeName(TC.
getArch());
341 switch (Triple.getOS()) {
342 case llvm::Triple::FreeBSD:
344 case llvm::Triple::NetBSD:
346 case llvm::Triple::OpenBSD:
348 case llvm::Triple::Solaris:
357 if (Triple.isOSUnknown()) {
358 llvm::sys::path::append(Path,
"lib");
368 bool IsITANMSVCWindows =
369 TT.isWindowsMSVCEnvironment() || TT.isWindowsItaniumEnvironment();
371 const char *Prefix = IsITANMSVCWindows ?
"" :
"lib";
372 const char *Suffix = Shared ? (Triple.isOSWindows() ?
".lib" :
".so")
373 : (IsITANMSVCWindows ?
".lib" :
".a");
374 if (Shared && Triple.isWindowsGNUEnvironment())
379 llvm::sys::path::append(P, Prefix + Twine(
"clang_rt.") + Component + Suffix);
385 const char *Env = TT.isAndroid() ?
"-android" :
"";
387 llvm::sys::path::append(Path, Prefix + Twine(
"clang_rt.") + Component +
"-" +
388 Arch + Env + Suffix);
395 return Args.MakeArgString(
getCompilerRT(Args, Component, Shared));
401 llvm::Triple::getArchTypeName(
getArch()));
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))
418 return Args.hasFlag(options::OPT_fprofile_arcs, options::OPT_fno_profile_arcs,
420 Args.hasArg(options::OPT_coverage);
424 if (
getDriver().ShouldUseClangCompiler(JA))
return getClang();
432 return D.GetFilePath(Name, *
this);
436 return D.GetProgramPath(Name, *
this);
440 const Arg* A = Args.getLastArg(options::OPT_fuse_ld_EQ);
441 StringRef UseLinker = A ? A->getValue() : CLANG_DEFAULT_LINKER;
443 if (llvm::sys::path::is_absolute(UseLinker)) {
446 if (llvm::sys::fs::can_execute(UseLinker))
448 }
else if (UseLinker.empty() || UseLinker ==
"ld") {
454 if (Triple.isOSDarwin())
455 LinkerName.append(
"ld64.");
457 LinkerName.append(
"ld.");
458 LinkerName.append(UseLinker);
461 if (llvm::sys::fs::can_execute(LinkerPath))
466 getDriver().
Diag(diag::err_drv_invalid_linker_name) << A->getAsString(Args);
480 llvm::Triple HostTriple(LLVM_HOST_TRIPLE);
481 switch (HostTriple.getArch()) {
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;
491 return HostTriple.getArch() !=
getArch();
500 llvm::ExceptionHandling
506 if (Model ==
"single") {
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")
526 case llvm::Triple::x86_64: {
528 if (!Triple.isOSBinFormatMachO())
531 if (Arg *A = Args.getLastArg(options::OPT_march_EQ)) {
534 StringRef MArch = A->getValue();
535 if (MArch ==
"x86_64h")
536 Triple.setArchName(MArch);
538 return Triple.getTriple();
540 case llvm::Triple::aarch64: {
542 if (!Triple.isOSBinFormatMachO())
548 Triple.setArchName(
"arm64");
549 return Triple.getTriple();
551 case llvm::Triple::arm:
552 case llvm::Triple::armeb:
553 case llvm::Triple::thumb:
554 case llvm::Triple::thumbeb: {
557 bool IsBigEndian =
getTriple().getArch() == llvm::Triple::armeb ||
558 getTriple().getArch() == llvm::Triple::thumbeb;
562 if (Arg *A = Args.getLastArg(options::OPT_mlittle_endian,
563 options::OPT_mbig_endian)) {
564 IsBigEndian = !A->getOption().matches(options::OPT_mlittle_endian);
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();
576 Triple.isOSBinFormatMachO()
581 bool IsMProfile = ARM::parseArchProfile(Suffix) == ARM::ProfileKind::M;
582 bool ThumbDefault = IsMProfile || (ARM::parseArchVersion(Suffix) == 7 &&
587 std::string ArchName;
595 bool ARMModeRequested = !Args.hasFlag(options::OPT_mthumb,
596 options::OPT_mno_thumb, ThumbDefault);
597 if (IsMProfile && ARMModeRequested) {
599 getDriver().
Diag(diag::err_cpu_unsupported_isa) << CPU <<
"ARM";
608 bool IsThumb =
false;
609 if (InputType != types::TY_PP_Asm)
610 IsThumb = Args.hasFlag(options::OPT_mthumb, options::OPT_mno_thumb,
618 Args.filtered(options::OPT_Wa_COMMA, options::OPT_Xassembler)) {
619 for (StringRef
Value : A->getValues()) {
620 if (
Value ==
"-mthumb")
628 if (IsThumb || IsMProfile ||
getTriple().isOSWindows()) {
630 ArchName =
"thumbeb";
634 Triple.setArchName(ArchName + Suffix.str());
636 return Triple.getTriple();
647 ArgStringList &CC1Args)
const {
652 const ArgList &DriverArgs, ArgStringList &CC1Args,
658 llvm::opt::ArgStringList &CmdArgs)
const {
665 const ArgList &Args)
const {
666 const Arg* A = Args.getLastArg(options::OPT_rtlib_EQ);
667 StringRef LibName = A ? A->getValue() : CLANG_DEFAULT_RTLIB;
670 if (LibName ==
"compiler-rt")
672 else if (LibName ==
"libgcc")
674 else if (LibName ==
"platform")
678 getDriver().
Diag(diag::err_drv_invalid_rtlib_name) << A->getAsString(Args);
684 const Arg *A = Args.getLastArg(options::OPT_stdlib_EQ);
685 StringRef LibName = A ? A->getValue() : CLANG_DEFAULT_CXX_STDLIB;
688 if (LibName ==
"libc++")
690 else if (LibName ==
"libstdc++")
692 else if (LibName ==
"platform")
696 getDriver().
Diag(diag::err_drv_invalid_stdlib_name) << A->getAsString(Args);
703 ArgStringList &CC1Args,
705 CC1Args.push_back(
"-internal-isystem");
706 CC1Args.push_back(DriverArgs.MakeArgString(Path));
718 ArgStringList &CC1Args,
720 CC1Args.push_back(
"-internal-externc-isystem");
721 CC1Args.push_back(DriverArgs.MakeArgString(Path));
725 ArgStringList &CC1Args,
727 if (llvm::sys::fs::exists(Path))
733 ArgStringList &CC1Args,
735 for (
const auto Path : Paths) {
736 CC1Args.push_back(
"-internal-isystem");
737 CC1Args.push_back(DriverArgs.MakeArgString(Path));
742 ArgStringList &CC1Args)
const {
752 DriverArgs.AddAllArgs(CC1Args, options::OPT_stdlib_EQ);
757 !Args.hasArg(options::OPT_nostdlib, options::OPT_nodefaultlibs,
758 options::OPT_nostdlibxx);
762 ArgStringList &CmdArgs)
const {
763 assert(!Args.hasArg(options::OPT_nostdlibxx) &&
764 "should not have called this");
769 CmdArgs.push_back(
"-lc++");
773 CmdArgs.push_back(
"-lstdc++");
779 ArgStringList &CmdArgs)
const {
781 if(LibPath.length() > 0)
782 CmdArgs.push_back(Args.MakeArgString(StringRef(
"-L") + LibPath));
785 if(LibPath.length() > 0)
786 CmdArgs.push_back(Args.MakeArgString(StringRef(
"-L") + LibPath));
790 ArgStringList &CmdArgs)
const {
791 CmdArgs.push_back(
"-lcc_kext");
795 ArgStringList &CmdArgs)
const {
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);
805 if (!A || A->getOption().getID() == options::OPT_fno_fast_math ||
806 A->getOption().getID() == options::OPT_fno_unsafe_math_optimizations)
811 if (Path ==
"crtfastmath.o")
814 CmdArgs.push_back(Args.MakeArgString(Path));
822 using namespace SanitizerKind;
824 SanitizerMask Res = (Undefined & ~Vptr & ~Function) | (CFI & ~CFIICall) |
825 CFICastStrict | UnsignedIntegerOverflow |
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)
834 if (
getTriple().getArch() == llvm::Triple::x86_64 ||
835 getTriple().getArch() == llvm::Triple::aarch64)
836 Res |= ShadowCallStack;
841 ArgStringList &CC1Args)
const {}
844 ArgStringList &CC1Args)
const {}
848 return VersionTuple(Version);
851 return VersionTuple(Version / 100, Version % 100);
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);
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);
866 if (MSCVersion && MSCompatibilityVersion) {
868 D->
Diag(diag::err_drv_argument_not_allowed_with)
869 << MSCVersion->getAsString(Args)
870 << MSCompatibilityVersion->getAsString(Args);
871 return VersionTuple();
874 if (MSCompatibilityVersion) {
876 if (MSVT.tryParse(MSCompatibilityVersion->getValue())) {
878 D->
Diag(diag::err_drv_invalid_value)
879 << MSCompatibilityVersion->getAsString(Args)
880 << MSCompatibilityVersion->getValue();
887 unsigned Version = 0;
888 if (StringRef(MSCVersion->getValue()).getAsInteger(10, Version)) {
890 D->
Diag(diag::err_drv_invalid_value)
891 << MSCVersion->getAsString(Args) << MSCVersion->getValue();
897 return VersionTuple();
901 const llvm::opt::DerivedArgList &Args,
bool SameTripleAsHost,
903 DerivedArgList *DAL =
new DerivedArgList(Args.getBaseArgs());
905 bool Modified =
false;
908 for (
auto *A : Args) {
913 if (A->getOption().matches(options::OPT_m_Group)) {
914 if (SameTripleAsHost)
923 bool XOpenMPTargetNoTriple =
924 A->getOption().matches(options::OPT_Xopenmp_target);
926 if (A->getOption().matches(options::OPT_Xopenmp_target_EQ)) {
929 Index = Args.getBaseArgs().MakeIndex(A->getValue(1));
932 }
else if (XOpenMPTargetNoTriple) {
934 Index = Args.getBaseArgs().MakeIndex(A->getValue(0));
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);
948 if (XOpenMPTargetNoTriple && XOpenMPTargetArg &&
949 Args.getAllArgValues(options::OPT_fopenmp_targets_EQ).size() != 1) {
950 getDriver().
Diag(diag::err_drv_Xopenmp_target_missing_triple);
953 XOpenMPTargetArg->setBaseArg(A);
954 A = XOpenMPTargetArg.release();
955 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.
bool isOptimizationLevelFast(const llvm::opt::ArgList &Args)
Driver - Encapsulate logic for constructing compilation processes from a set of gcc-driver-like comma...
llvm::vfs::FileSystem & getVFS() const
ActionClass getKind() const
'gnustep' is the modern non-fragile GNUstep runtime.
bool CCCIsCXX() const
Whether the driver should follow g++ like behavior.
constexpr XRayInstrMask None
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.
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.