16 #include "clang/Config/config.h" 23 #include "llvm/ADT/SmallString.h" 24 #include "llvm/Option/Arg.h" 25 #include "llvm/Option/ArgList.h" 26 #include "llvm/Option/Option.h" 27 #include "llvm/Support/ErrorHandling.h" 28 #include "llvm/Support/FileSystem.h" 29 #include "llvm/Support/Path.h" 30 #include "llvm/MC/MCAsmInfo.h" 31 #include "llvm/MC/MCRegisterInfo.h" 32 #include "llvm/Support/TargetParser.h" 33 #include "llvm/Support/TargetRegistry.h" 37 using namespace clang;
42 return Args.getLastArg(options::OPT_mkernel, options::OPT_fapple_kext,
43 options::OPT_fno_rtti, options::OPT_frtti);
47 const llvm::Triple &Triple,
48 const Arg *CachedRTTIArg) {
51 if (CachedRTTIArg->getOption().matches(options::OPT_frtti))
58 if (!Triple.isPS4CPU())
63 Arg *Exceptions = Args.getLastArgNoClaim(
64 options::OPT_fcxx_exceptions, options::OPT_fno_cxx_exceptions,
65 options::OPT_fexceptions, options::OPT_fno_exceptions);
67 (Exceptions->getOption().matches(options::OPT_fexceptions) ||
68 Exceptions->getOption().matches(options::OPT_fcxx_exceptions)))
80 if (
getVFS().exists(CandidateLibPath))
85 Triple.setEnvironment(Env);
86 if (EffectiveTriple != llvm::Triple())
87 EffectiveTriple.setEnvironment(Env);
96 return Args.hasFlag(options::OPT_fintegrated_as,
97 options::OPT_fno_integrated_as,
102 return ENABLE_X86_RELAX_RELOCATIONS;
106 if (!SanitizerArguments.get())
108 return *SanitizerArguments.get();
112 if (!XRayArguments.get())
113 XRayArguments.reset(
new XRayArgs(*
this, Args));
114 return *XRayArguments.get();
118 struct DriverSuffix {
120 const char *ModeFlag;
123 const DriverSuffix *FindDriverSuffix(StringRef ProgName,
size_t &Pos) {
127 static const DriverSuffix DriverSuffixes[] = {
129 {
"clang++",
"--driver-mode=g++"},
130 {
"clang-c++",
"--driver-mode=g++"},
131 {
"clang-cc",
nullptr},
132 {
"clang-cpp",
"--driver-mode=cpp"},
133 {
"clang-g++",
"--driver-mode=g++"},
134 {
"clang-gcc",
nullptr},
135 {
"clang-cl",
"--driver-mode=cl"},
137 {
"cpp",
"--driver-mode=cpp"},
138 {
"cl",
"--driver-mode=cl"},
139 {
"++",
"--driver-mode=g++"},
142 for (
size_t i = 0; i < llvm::array_lengthof(DriverSuffixes); ++i) {
143 StringRef Suffix(DriverSuffixes[i].Suffix);
144 if (ProgName.endswith(Suffix)) {
145 Pos = ProgName.size() - Suffix.size();
146 return &DriverSuffixes[i];
154 std::string normalizeProgramName(llvm::StringRef Argv0) {
155 std::string ProgName = llvm::sys::path::stem(Argv0);
158 std::transform(ProgName.begin(), ProgName.end(), ProgName.begin(), ::tolower);
163 const DriverSuffix *parseDriverSuffix(StringRef ProgName,
size_t &Pos) {
171 const DriverSuffix *DS = FindDriverSuffix(ProgName, Pos);
176 ProgName = ProgName.rtrim(
"0123456789.");
177 DS = FindDriverSuffix(ProgName, Pos);
183 ProgName = ProgName.slice(0, ProgName.rfind(
'-'));
184 DS = FindDriverSuffix(ProgName, Pos);
192 std::string ProgName = normalizeProgramName(PN);
194 const DriverSuffix *DS = parseDriverSuffix(ProgName, SuffixPos);
197 size_t SuffixEnd = SuffixPos + strlen(DS->Suffix);
199 size_t LastComponent = ProgName.rfind(
'-', SuffixPos);
200 if (LastComponent == std::string::npos)
202 std::string ModeSuffix = ProgName.substr(LastComponent + 1,
203 SuffixEnd - LastComponent - 1);
206 StringRef Prefix(ProgName);
207 Prefix = Prefix.slice(0, LastComponent);
208 std::string IgnoredError;
209 bool IsRegistered = llvm::TargetRegistry::lookupTarget(Prefix, IgnoredError);
210 return ParsedClangName{Prefix, ModeSuffix, DS->ModeFlag, IsRegistered};
218 switch (Triple.getArch()) {
219 case llvm::Triple::ppc:
221 case llvm::Triple::ppc64:
223 case llvm::Triple::ppc64le:
226 return Triple.getArchName();
238 Tool *ToolChain::getClang()
const {
249 llvm_unreachable(
"Linking is not supported by this toolchain");
252 Tool *ToolChain::getAssemble()
const {
255 return Assemble.get();
258 Tool *ToolChain::getClangAs()
const {
261 return Assemble.get();
264 Tool *ToolChain::getLink()
const {
270 Tool *ToolChain::getOffloadBundler()
const {
279 return getAssemble();
290 llvm_unreachable(
"Invalid tool kind.");
303 return getOffloadBundler();
306 llvm_unreachable(
"Invalid tool kind.");
310 const ArgList &Args) {
311 const llvm::Triple &Triple = TC.
getTriple();
312 bool IsWindows = Triple.isOSWindows();
314 if (TC.
getArch() == llvm::Triple::arm || TC.
getArch() == llvm::Triple::armeb)
320 if (TC.
getArch() == llvm::Triple::x86 && Triple.isAndroid())
323 return llvm::Triple::getArchTypeName(TC.
getArch());
328 if (Triple.isOSUnknown()) {
329 llvm::sys::path::append(Path,
"lib");
331 StringRef OSLibName = Triple.isOSFreeBSD() ?
"freebsd" :
getOS();
332 llvm::sys::path::append(Path,
"lib", OSLibName);
340 const char *Env = TT.isAndroid() ?
"-android" :
"";
341 bool IsITANMSVCWindows =
342 TT.isWindowsMSVCEnvironment() || TT.isWindowsItaniumEnvironment();
345 const char *Prefix = IsITANMSVCWindows ?
"" :
"lib";
346 const char *Suffix = Shared ? (Triple.isOSWindows() ?
".dll" :
".so")
347 : (IsITANMSVCWindows ?
".lib" :
".a");
350 llvm::sys::path::append(Path, Prefix + Twine(
"clang_rt.") + Component +
"-" +
351 Arch + Env + Suffix);
358 return Args.MakeArgString(
getCompilerRT(Args, Component, Shared));
363 StringRef OSLibName =
getTriple().isOSFreeBSD() ?
"freebsd" :
getOS();
364 llvm::sys::path::append(Path,
"lib", OSLibName,
365 llvm::Triple::getArchTypeName(
getArch()));
370 if (Args.hasFlag(options::OPT_fprofile_arcs, options::OPT_fno_profile_arcs,
372 Args.hasArg(options::OPT_fprofile_generate) ||
373 Args.hasArg(options::OPT_fprofile_generate_EQ) ||
374 Args.hasArg(options::OPT_fprofile_instr_generate) ||
375 Args.hasArg(options::OPT_fprofile_instr_generate_EQ) ||
376 Args.hasArg(options::OPT_fcreate_profile) ||
377 Args.hasArg(options::OPT_coverage))
384 if (
getDriver().ShouldUseClangCompiler(JA))
return getClang();
392 return D.GetFilePath(Name, *
this);
396 return D.GetProgramPath(Name, *
this);
400 const Arg* A = Args.getLastArg(options::OPT_fuse_ld_EQ);
401 StringRef UseLinker = A ? A->getValue() : CLANG_DEFAULT_LINKER;
403 if (llvm::sys::path::is_absolute(UseLinker)) {
406 if (llvm::sys::fs::exists(UseLinker))
408 }
else if (UseLinker.empty() || UseLinker ==
"ld") {
414 if (Triple.isOSDarwin())
415 LinkerName.append(
"ld64.");
417 LinkerName.append(
"ld.");
418 LinkerName.append(UseLinker);
421 if (llvm::sys::fs::exists(LinkerPath))
426 getDriver().
Diag(diag::err_drv_invalid_linker_name) << A->getAsString(Args);
440 llvm::Triple HostTriple(LLVM_HOST_TRIPLE);
441 switch (HostTriple.getArch()) {
444 case llvm::Triple::arm:
445 case llvm::Triple::armeb:
446 case llvm::Triple::thumb:
447 case llvm::Triple::thumbeb:
448 return getArch() != llvm::Triple::arm &&
getArch() != llvm::Triple::thumb &&
449 getArch() != llvm::Triple::armeb &&
getArch() != llvm::Triple::thumbeb;
451 return HostTriple.getArch() !=
getArch();
460 llvm::ExceptionHandling
462 if (Triple.isOSWindows() && Triple.getArch() != llvm::Triple::x86)
463 return llvm::ExceptionHandling::WinEH;
468 if (Model ==
"single") {
470 return Triple.getArch() == llvm::Triple::arm ||
471 Triple.getArch() == llvm::Triple::armeb ||
472 Triple.getArch() == llvm::Triple::thumb ||
473 Triple.getArch() == llvm::Triple::thumbeb ||
474 Triple.getArch() == llvm::Triple::wasm32 ||
475 Triple.getArch() == llvm::Triple::wasm64;
476 }
else if (Model ==
"posix")
488 case llvm::Triple::x86_64: {
490 if (!Triple.isOSBinFormatMachO())
493 if (Arg *A = Args.getLastArg(options::OPT_march_EQ)) {
496 StringRef MArch = A->getValue();
497 if (MArch ==
"x86_64h")
498 Triple.setArchName(MArch);
500 return Triple.getTriple();
502 case llvm::Triple::aarch64: {
504 if (!Triple.isOSBinFormatMachO())
510 Triple.setArchName(
"arm64");
511 return Triple.getTriple();
513 case llvm::Triple::arm:
514 case llvm::Triple::armeb:
515 case llvm::Triple::thumb:
516 case llvm::Triple::thumbeb: {
519 bool IsBigEndian =
getTriple().getArch() == llvm::Triple::armeb ||
520 getTriple().getArch() == llvm::Triple::thumbeb;
524 if (Arg *A = Args.getLastArg(options::OPT_mlittle_endian,
525 options::OPT_mbig_endian)) {
526 IsBigEndian = !A->getOption().matches(options::OPT_mlittle_endian);
532 StringRef MCPU, MArch;
533 if (
const Arg *A = Args.getLastArg(options::OPT_mcpu_EQ))
534 MCPU = A->getValue();
535 if (
const Arg *A = Args.getLastArg(options::OPT_march_EQ))
536 MArch = A->getValue();
538 Triple.isOSBinFormatMachO()
543 bool IsMProfile = ARM::parseArchProfile(Suffix) == ARM::ProfileKind::M;
544 bool ThumbDefault = IsMProfile || (ARM::parseArchVersion(Suffix) == 7 &&
549 std::string ArchName;
557 bool ARMModeRequested = !Args.hasFlag(options::OPT_mthumb,
558 options::OPT_mno_thumb, ThumbDefault);
559 if (IsMProfile && ARMModeRequested) {
561 getDriver().
Diag(diag::err_cpu_unsupported_isa) << CPU <<
"ARM";
570 bool IsThumb =
false;
571 if (InputType != types::TY_PP_Asm)
572 IsThumb = Args.hasFlag(options::OPT_mthumb, options::OPT_mno_thumb,
580 Args.filtered(options::OPT_Wa_COMMA, options::OPT_Xassembler)) {
581 for (StringRef
Value : A->getValues()) {
582 if (
Value ==
"-mthumb")
590 if (IsThumb || IsMProfile ||
getTriple().isOSWindows()) {
592 ArchName =
"thumbeb";
596 Triple.setArchName(ArchName + Suffix.str());
598 return Triple.getTriple();
609 ArgStringList &CC1Args)
const {
614 const ArgList &DriverArgs, ArgStringList &CC1Args,
620 llvm::opt::ArgStringList &CmdArgs)
const {
627 const ArgList &Args)
const {
628 const Arg* A = Args.getLastArg(options::OPT_rtlib_EQ);
629 StringRef LibName = A ? A->getValue() : CLANG_DEFAULT_RTLIB;
632 if (LibName ==
"compiler-rt")
634 else if (LibName ==
"libgcc")
636 else if (LibName ==
"platform")
640 getDriver().
Diag(diag::err_drv_invalid_rtlib_name) << A->getAsString(Args);
646 const Arg *A = Args.getLastArg(options::OPT_stdlib_EQ);
647 StringRef LibName = A ? A->getValue() : CLANG_DEFAULT_CXX_STDLIB;
650 if (LibName ==
"libc++")
652 else if (LibName ==
"libstdc++")
654 else if (LibName ==
"platform")
658 getDriver().
Diag(diag::err_drv_invalid_stdlib_name) << A->getAsString(Args);
665 ArgStringList &CC1Args,
667 CC1Args.push_back(
"-internal-isystem");
668 CC1Args.push_back(DriverArgs.MakeArgString(Path));
680 ArgStringList &CC1Args,
682 CC1Args.push_back(
"-internal-externc-isystem");
683 CC1Args.push_back(DriverArgs.MakeArgString(Path));
687 ArgStringList &CC1Args,
689 if (llvm::sys::fs::exists(Path))
695 ArgStringList &CC1Args,
697 for (StringRef Path : Paths) {
698 CC1Args.push_back(
"-internal-isystem");
699 CC1Args.push_back(DriverArgs.MakeArgString(Path));
704 ArgStringList &CC1Args)
const {
714 DriverArgs.AddAllArgs(CC1Args, options::OPT_stdlib_EQ);
719 !Args.hasArg(options::OPT_nostdlib, options::OPT_nodefaultlibs,
720 options::OPT_nostdlibxx);
724 ArgStringList &CmdArgs)
const {
725 assert(!Args.hasArg(options::OPT_nostdlibxx) &&
726 "should not have called this");
731 CmdArgs.push_back(
"-lc++");
735 CmdArgs.push_back(
"-lstdc++");
741 ArgStringList &CmdArgs)
const {
743 if(LibPath.length() > 0)
744 CmdArgs.push_back(Args.MakeArgString(StringRef(
"-L") + LibPath));
748 ArgStringList &CmdArgs)
const {
749 CmdArgs.push_back(
"-lcc_kext");
753 ArgStringList &CmdArgs)
const {
759 Args.getLastArg(options::OPT_ffast_math, options::OPT_fno_fast_math,
760 options::OPT_funsafe_math_optimizations,
761 options::OPT_fno_unsafe_math_optimizations);
763 if (!A || A->getOption().getID() == options::OPT_fno_fast_math ||
764 A->getOption().getID() == options::OPT_fno_unsafe_math_optimizations)
769 if (Path ==
"crtfastmath.o")
772 CmdArgs.push_back(Args.MakeArgString(Path));
779 using namespace SanitizerKind;
780 SanitizerMask Res = (Undefined & ~Vptr & ~Function) | (CFI & ~CFIICall) |
781 CFICastStrict | UnsignedIntegerOverflow |
Nullability |
783 if (
getTriple().getArch() == llvm::Triple::x86 ||
784 getTriple().getArch() == llvm::Triple::x86_64 ||
785 getTriple().getArch() == llvm::Triple::arm ||
786 getTriple().getArch() == llvm::Triple::aarch64 ||
787 getTriple().getArch() == llvm::Triple::wasm32 ||
788 getTriple().getArch() == llvm::Triple::wasm64)
794 ArgStringList &CC1Args)
const {}
797 ArgStringList &CC1Args)
const {}
806 unsigned Build = 0, Factor = 1;
807 for (; Version > 10000; Version = Version / 10, Factor = Factor * 10)
808 Build = Build + (Version % 10) * Factor;
809 return VersionTuple(Version / 100, Version % 100, Build);
814 const llvm::opt::ArgList &Args)
const {
815 const Arg *MSCVersion = Args.getLastArg(options::OPT_fmsc_version);
816 const Arg *MSCompatibilityVersion =
817 Args.getLastArg(options::OPT_fms_compatibility_version);
819 if (MSCVersion && MSCompatibilityVersion) {
821 D->
Diag(diag::err_drv_argument_not_allowed_with)
822 << MSCVersion->getAsString(Args)
823 << MSCompatibilityVersion->getAsString(Args);
827 if (MSCompatibilityVersion) {
829 if (MSVT.
tryParse(MSCompatibilityVersion->getValue())) {
831 D->
Diag(diag::err_drv_invalid_value)
832 << MSCompatibilityVersion->getAsString(Args)
833 << MSCompatibilityVersion->getValue();
840 unsigned Version = 0;
841 if (StringRef(MSCVersion->getValue()).getAsInteger(10, Version)) {
843 D->
Diag(diag::err_drv_invalid_value)
844 << MSCVersion->getAsString(Args) << MSCVersion->getValue();
854 const llvm::opt::DerivedArgList &Args,
bool SameTripleAsHost,
856 DerivedArgList *DAL =
new DerivedArgList(Args.getBaseArgs());
858 bool Modified =
false;
861 for (Arg *A : Args) {
866 if (A->getOption().matches(options::OPT_m_Group)) {
867 if (SameTripleAsHost)
876 bool XOpenMPTargetNoTriple =
877 A->getOption().matches(options::OPT_Xopenmp_target);
879 if (A->getOption().matches(options::OPT_Xopenmp_target_EQ)) {
882 Index = Args.getBaseArgs().MakeIndex(A->getValue(1));
885 }
else if (XOpenMPTargetNoTriple) {
887 Index = Args.getBaseArgs().MakeIndex(A->getValue(0));
895 std::unique_ptr<Arg> XOpenMPTargetArg(Opts.ParseOneArg(Args, Index));
896 if (!XOpenMPTargetArg || Index > Prev + 1) {
897 getDriver().
Diag(diag::err_drv_invalid_Xopenmp_target_with_args)
898 << A->getAsString(Args);
901 if (XOpenMPTargetNoTriple && XOpenMPTargetArg &&
902 Args.getAllArgValues(options::OPT_fopenmp_targets_EQ).size() != 1) {
903 getDriver().
Diag(diag::err_drv_Xopenmp_target_missing_triple);
906 XOpenMPTargetArg->setBaseArg(A);
907 A = XOpenMPTargetArg.release();
908 AllocatedArgs.push_back(A);
Represents a version number in the form major[.minor[.subminor[.build]]].
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.
DiagnosticBuilder Diag(unsigned DiagID) const
'gcc' is the Objective-C runtime shipped with GCC, implementing a fragile Objective-C ABI ...
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
const FunctionProtoType * T
'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.
bool tryParse(StringRef string)
Try to parse the given string as a version number.
The basic abstraction for the target Objective-C runtime.
Defines the virtual file system interface vfs::FileSystem.
ID lookupTypeForExtension(llvm::StringRef Ext)
lookupTypeForExtension - Lookup the type to use for the file extension Ext.
const llvm::opt::OptTable & getOpts() const