1 //===--- ToolChains.h - ToolChain Implementations ---------------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 #ifndef LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_H
11 #define LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_H
14 #include "clang/Basic/Cuda.h"
15 #include "clang/Basic/VersionTuple.h"
16 #include "clang/Driver/Action.h"
17 #include "clang/Driver/Multilib.h"
18 #include "clang/Driver/ToolChain.h"
19 #include "llvm/ADT/Optional.h"
20 #include "llvm/ADT/SmallSet.h"
21 #include "llvm/Support/Compiler.h"
28 /// A class to find a viable CUDA installation
29 class CudaInstallationDetector {
33 CudaVersion Version = CudaVersion::UNKNOWN;
34 std::string InstallPath;
37 std::string LibDevicePath;
38 std::string IncludePath;
39 llvm::StringMap<std::string> LibDeviceMap;
41 // CUDA architectures for which we have raised an error in
42 // CheckCudaVersionSupportsArch.
43 mutable llvm::SmallSet<CudaArch, 4> ArchsWithVersionTooLowErrors;
46 CudaInstallationDetector(const Driver &D, const llvm::Triple &Triple,
47 const llvm::opt::ArgList &Args);
49 void AddCudaIncludeArgs(const llvm::opt::ArgList &DriverArgs,
50 llvm::opt::ArgStringList &CC1Args) const;
52 /// \brief Emit an error if Version does not support the given Arch.
54 /// If either Version or Arch is unknown, does not emit an error. Emits at
55 /// most one error per Arch.
56 void CheckCudaVersionSupportsArch(CudaArch Arch) const;
58 /// \brief Check whether we detected a valid Cuda install.
59 bool isValid() const { return IsValid; }
60 /// \brief Print information about the detected CUDA installation.
61 void print(raw_ostream &OS) const;
63 /// \brief Get the detected Cuda install's version.
64 CudaVersion version() const { return Version; }
65 /// \brief Get the detected Cuda installation path.
66 StringRef getInstallPath() const { return InstallPath; }
67 /// \brief Get the detected path to Cuda's bin directory.
68 StringRef getBinPath() const { return BinPath; }
69 /// \brief Get the detected Cuda Include path.
70 StringRef getIncludePath() const { return IncludePath; }
71 /// \brief Get the detected Cuda library path.
72 StringRef getLibPath() const { return LibPath; }
73 /// \brief Get the detected Cuda device library path.
74 StringRef getLibDevicePath() const { return LibDevicePath; }
75 /// \brief Get libdevice file for given architecture
76 std::string getLibDeviceFile(StringRef Gpu) const {
77 return LibDeviceMap.lookup(Gpu);
81 namespace toolchains {
83 /// Generic_GCC - A tool chain using the 'gcc' command to perform
84 /// all subcommands; this relies on gcc translating the majority of
85 /// command line options.
86 class LLVM_LIBRARY_VISIBILITY Generic_GCC : public ToolChain {
88 /// \brief Struct to store and manipulate GCC versions.
90 /// We rely on assumptions about the form and structure of GCC version
91 /// numbers: they consist of at most three '.'-separated components, and each
92 /// component is a non-negative integer except for the last component. For
93 /// the last component we are very flexible in order to tolerate release
94 /// candidates or 'x' wildcards.
96 /// Note that the ordering established among GCCVersions is based on the
97 /// preferred version string to use. For example we prefer versions without
98 /// a hard-coded patch number to those with a hard coded patch number.
100 /// Currently this doesn't provide any logic for textual suffixes to patches
101 /// in the way that (for example) Debian's version format does. If that ever
102 /// becomes necessary, it can be added.
104 /// \brief The unparsed text of the version.
107 /// \brief The parsed major, minor, and patch numbers.
108 int Major, Minor, Patch;
110 /// \brief The text of the parsed major, and major+minor versions.
111 std::string MajorStr, MinorStr;
113 /// \brief Any textual suffix on the patch number.
114 std::string PatchSuffix;
116 static GCCVersion Parse(StringRef VersionText);
117 bool isOlderThan(int RHSMajor, int RHSMinor, int RHSPatch,
118 StringRef RHSPatchSuffix = StringRef()) const;
119 bool operator<(const GCCVersion &RHS) const {
120 return isOlderThan(RHS.Major, RHS.Minor, RHS.Patch, RHS.PatchSuffix);
122 bool operator>(const GCCVersion &RHS) const { return RHS < *this; }
123 bool operator<=(const GCCVersion &RHS) const { return !(*this > RHS); }
124 bool operator>=(const GCCVersion &RHS) const { return !(*this < RHS); }
127 /// \brief This is a class to find a viable GCC installation for Clang to
130 /// This class tries to find a GCC installation on the system, and report
131 /// information about it. It starts from the host information provided to the
132 /// Driver, and has logic for fuzzing that where appropriate.
133 class GCCInstallationDetector {
135 llvm::Triple GCCTriple;
138 // FIXME: These might be better as path objects.
139 std::string GCCInstallPath;
140 std::string GCCParentLibPath;
142 /// The primary multilib appropriate for the given flags.
143 Multilib SelectedMultilib;
144 /// On Biarch systems, this corresponds to the default multilib when
145 /// targeting the non-default multilib. Otherwise, it is empty.
146 llvm::Optional<Multilib> BiarchSibling;
150 // We retain the list of install paths that were considered and rejected in
151 // order to print out detailed information in verbose mode.
152 std::set<std::string> CandidateGCCInstallPaths;
154 /// The set of multilibs that the detected installation supports.
155 MultilibSet Multilibs;
158 explicit GCCInstallationDetector(const Driver &D) : IsValid(false), D(D) {}
159 void init(const llvm::Triple &TargetTriple, const llvm::opt::ArgList &Args,
160 ArrayRef<std::string> ExtraTripleAliases = None);
162 /// \brief Check whether we detected a valid GCC install.
163 bool isValid() const { return IsValid; }
165 /// \brief Get the GCC triple for the detected install.
166 const llvm::Triple &getTriple() const { return GCCTriple; }
168 /// \brief Get the detected GCC installation path.
169 StringRef getInstallPath() const { return GCCInstallPath; }
171 /// \brief Get the detected GCC parent lib path.
172 StringRef getParentLibPath() const { return GCCParentLibPath; }
174 /// \brief Get the detected Multilib
175 const Multilib &getMultilib() const { return SelectedMultilib; }
177 /// \brief Get the whole MultilibSet
178 const MultilibSet &getMultilibs() const { return Multilibs; }
180 /// Get the biarch sibling multilib (if it exists).
181 /// \return true iff such a sibling exists
182 bool getBiarchSibling(Multilib &M) const;
184 /// \brief Get the detected GCC version string.
185 const GCCVersion &getVersion() const { return Version; }
187 /// \brief Print information about the detected GCC installation.
188 void print(raw_ostream &OS) const;
192 CollectLibDirsAndTriples(const llvm::Triple &TargetTriple,
193 const llvm::Triple &BiarchTriple,
194 SmallVectorImpl<StringRef> &LibDirs,
195 SmallVectorImpl<StringRef> &TripleAliases,
196 SmallVectorImpl<StringRef> &BiarchLibDirs,
197 SmallVectorImpl<StringRef> &BiarchTripleAliases);
199 bool ScanGCCForMultilibs(const llvm::Triple &TargetTriple,
200 const llvm::opt::ArgList &Args,
202 bool NeedsBiarchSuffix = false);
204 void ScanLibDirForGCCTriple(const llvm::Triple &TargetArch,
205 const llvm::opt::ArgList &Args,
206 const std::string &LibDir,
207 StringRef CandidateTriple,
208 bool NeedsBiarchSuffix = false);
210 void scanLibDirForGCCTripleSolaris(const llvm::Triple &TargetArch,
211 const llvm::opt::ArgList &Args,
212 const std::string &LibDir,
213 StringRef CandidateTriple,
214 bool NeedsBiarchSuffix = false);
216 bool ScanGentooGccConfig(const llvm::Triple &TargetTriple,
217 const llvm::opt::ArgList &Args,
218 StringRef CandidateTriple,
219 bool NeedsBiarchSuffix = false);
223 GCCInstallationDetector GCCInstallation;
224 CudaInstallationDetector CudaInstallation;
227 Generic_GCC(const Driver &D, const llvm::Triple &Triple,
228 const llvm::opt::ArgList &Args);
229 ~Generic_GCC() override;
231 void printVerboseInfo(raw_ostream &OS) const override;
233 bool IsUnwindTablesDefault() const override;
234 bool isPICDefault() const override;
235 bool isPIEDefault() const override { return false; }
236 bool isPICDefaultForced() const override { return false; }
237 bool IsIntegratedAssemblerDefault() const override;
238 llvm::opt::DerivedArgList *
239 TranslateArgs(const llvm::opt::DerivedArgList &Args, StringRef BoundArch,
240 Action::OffloadKind DeviceOffloadKind) const override;
243 Tool *getTool(Action::ActionClass AC) const override;
244 Tool *buildAssembler() const override;
245 Tool *buildLinker() const override;
247 /// \name ToolChain Implementation Helper Functions
250 /// \brief Check whether the target triple's architecture is 64-bits.
251 bool isTarget64Bit() const { return getTriple().isArch64Bit(); }
253 /// \brief Check whether the target triple's architecture is 32-bits.
254 bool isTarget32Bit() const { return getTriple().isArch32Bit(); }
256 // FIXME: This should be final, but the Solaris tool chain does weird
257 // things we can't easily represent.
258 void AddClangCXXStdlibIncludeArgs(
259 const llvm::opt::ArgList &DriverArgs,
260 llvm::opt::ArgStringList &CC1Args) const override;
262 virtual std::string findLibCxxIncludePath() const;
264 addLibStdCxxIncludePaths(const llvm::opt::ArgList &DriverArgs,
265 llvm::opt::ArgStringList &CC1Args) const;
267 bool addLibStdCXXIncludePaths(Twine Base, Twine Suffix, StringRef GCCTriple,
268 StringRef GCCMultiarchTriple,
269 StringRef TargetMultiarchTriple,
271 const llvm::opt::ArgList &DriverArgs,
272 llvm::opt::ArgStringList &CC1Args) const;
277 mutable std::unique_ptr<tools::gcc::Preprocessor> Preprocess;
278 mutable std::unique_ptr<tools::gcc::Compiler> Compile;
281 class LLVM_LIBRARY_VISIBILITY MachO : public ToolChain {
283 Tool *buildAssembler() const override;
284 Tool *buildLinker() const override;
285 Tool *getTool(Action::ActionClass AC) const override;
288 mutable std::unique_ptr<tools::darwin::Lipo> Lipo;
289 mutable std::unique_ptr<tools::darwin::Dsymutil> Dsymutil;
290 mutable std::unique_ptr<tools::darwin::VerifyDebug> VerifyDebug;
293 MachO(const Driver &D, const llvm::Triple &Triple,
294 const llvm::opt::ArgList &Args);
297 /// @name MachO specific toolchain API
300 /// Get the "MachO" arch name for a particular compiler invocation. For
301 /// example, Apple treats different ARM variations as distinct architectures.
302 StringRef getMachOArchName(const llvm::opt::ArgList &Args) const;
304 /// Add the linker arguments to link the ARC runtime library.
305 virtual void AddLinkARCArgs(const llvm::opt::ArgList &Args,
306 llvm::opt::ArgStringList &CmdArgs) const {}
308 /// Add the linker arguments to link the compiler runtime library.
309 virtual void AddLinkRuntimeLibArgs(const llvm::opt::ArgList &Args,
310 llvm::opt::ArgStringList &CmdArgs) const;
312 virtual void addStartObjectFileArgs(const llvm::opt::ArgList &Args,
313 llvm::opt::ArgStringList &CmdArgs) const {
316 virtual void addMinVersionArgs(const llvm::opt::ArgList &Args,
317 llvm::opt::ArgStringList &CmdArgs) const {}
319 /// On some iOS platforms, kernel and kernel modules were built statically. Is
320 /// this such a target?
321 virtual bool isKernelStatic() const { return false; }
323 /// Is the target either iOS or an iOS simulator?
324 bool isTargetIOSBased() const { return false; }
326 void AddLinkRuntimeLib(const llvm::opt::ArgList &Args,
327 llvm::opt::ArgStringList &CmdArgs,
328 StringRef DarwinLibName, bool AlwaysLink = false,
329 bool IsEmbedded = false, bool AddRPath = false) const;
331 /// Add any profiling runtime libraries that are needed. This is essentially a
332 /// MachO specific version of addProfileRT in Tools.cpp.
333 void addProfileRTLibs(const llvm::opt::ArgList &Args,
334 llvm::opt::ArgStringList &CmdArgs) const override {
335 // There aren't any profiling libs for embedded targets currently.
339 /// @name ToolChain Implementation
342 types::ID LookupTypeForExtension(StringRef Ext) const override;
344 bool HasNativeLLVMSupport() const override;
346 llvm::opt::DerivedArgList *
347 TranslateArgs(const llvm::opt::DerivedArgList &Args, StringRef BoundArch,
348 Action::OffloadKind DeviceOffloadKind) const override;
350 bool IsBlocksDefault() const override {
351 // Always allow blocks on Apple; users interested in versioning are
352 // expected to use /usr/include/Block.h.
355 bool IsIntegratedAssemblerDefault() const override {
356 // Default integrated assembler to on for Apple's MachO targets.
360 bool IsMathErrnoDefault() const override { return false; }
362 bool IsEncodeExtendedBlockSignatureDefault() const override { return true; }
364 bool IsObjCNonFragileABIDefault() const override {
365 // Non-fragile ABI is default for everything but i386.
366 return getTriple().getArch() != llvm::Triple::x86;
369 bool UseObjCMixedDispatch() const override { return true; }
371 bool IsUnwindTablesDefault() const override;
373 RuntimeLibType GetDefaultRuntimeLibType() const override {
374 return ToolChain::RLT_CompilerRT;
377 bool isPICDefault() const override;
378 bool isPIEDefault() const override;
379 bool isPICDefaultForced() const override;
381 bool SupportsProfiling() const override;
383 bool SupportsObjCGC() const override { return false; }
385 bool UseDwarfDebugFlags() const override;
387 bool UseSjLjExceptions(const llvm::opt::ArgList &Args) const override {
394 /// Darwin - The base Darwin tool chain.
395 class LLVM_LIBRARY_VISIBILITY Darwin : public MachO {
397 /// Whether the information on the target has been initialized.
399 // FIXME: This should be eliminated. What we want to do is make this part of
400 // the "default target for arguments" selection process, once we get out of
401 // the argument translation business.
402 mutable bool TargetInitialized;
404 enum DarwinPlatformKind {
414 mutable DarwinPlatformKind TargetPlatform;
416 /// The OS version we are targeting.
417 mutable VersionTuple TargetVersion;
419 CudaInstallationDetector CudaInstallation;
422 void AddDeploymentTarget(llvm::opt::DerivedArgList &Args) const;
425 Darwin(const Driver &D, const llvm::Triple &Triple,
426 const llvm::opt::ArgList &Args);
429 std::string ComputeEffectiveClangTriple(const llvm::opt::ArgList &Args,
430 types::ID InputType) const override;
432 /// @name Apple Specific Toolchain Implementation
435 void addMinVersionArgs(const llvm::opt::ArgList &Args,
436 llvm::opt::ArgStringList &CmdArgs) const override;
438 void addStartObjectFileArgs(const llvm::opt::ArgList &Args,
439 llvm::opt::ArgStringList &CmdArgs) const override;
441 bool isKernelStatic() const override {
442 return (!(isTargetIPhoneOS() && !isIPhoneOSVersionLT(6, 0)) &&
446 void addProfileRTLibs(const llvm::opt::ArgList &Args,
447 llvm::opt::ArgStringList &CmdArgs) const override;
451 /// @name Darwin specific Toolchain functions
454 // FIXME: Eliminate these ...Target functions and derive separate tool chains
455 // for these targets and put version in constructor.
456 void setTarget(DarwinPlatformKind Platform, unsigned Major, unsigned Minor,
457 unsigned Micro) const {
458 // FIXME: For now, allow reinitialization as long as values don't
459 // change. This will go away when we move away from argument translation.
460 if (TargetInitialized && TargetPlatform == Platform &&
461 TargetVersion == VersionTuple(Major, Minor, Micro))
464 assert(!TargetInitialized && "Target already initialized!");
465 TargetInitialized = true;
466 TargetPlatform = Platform;
467 TargetVersion = VersionTuple(Major, Minor, Micro);
470 bool isTargetIPhoneOS() const {
471 assert(TargetInitialized && "Target not initialized!");
472 return TargetPlatform == IPhoneOS || TargetPlatform == TvOS;
475 bool isTargetIOSSimulator() const {
476 assert(TargetInitialized && "Target not initialized!");
477 return TargetPlatform == IPhoneOSSimulator ||
478 TargetPlatform == TvOSSimulator;
481 bool isTargetIOSBased() const {
482 assert(TargetInitialized && "Target not initialized!");
483 return isTargetIPhoneOS() || isTargetIOSSimulator();
486 bool isTargetTvOS() const {
487 assert(TargetInitialized && "Target not initialized!");
488 return TargetPlatform == TvOS;
491 bool isTargetTvOSSimulator() const {
492 assert(TargetInitialized && "Target not initialized!");
493 return TargetPlatform == TvOSSimulator;
496 bool isTargetTvOSBased() const {
497 assert(TargetInitialized && "Target not initialized!");
498 return TargetPlatform == TvOS || TargetPlatform == TvOSSimulator;
501 bool isTargetWatchOS() const {
502 assert(TargetInitialized && "Target not initialized!");
503 return TargetPlatform == WatchOS;
506 bool isTargetWatchOSSimulator() const {
507 assert(TargetInitialized && "Target not initialized!");
508 return TargetPlatform == WatchOSSimulator;
511 bool isTargetWatchOSBased() const {
512 assert(TargetInitialized && "Target not initialized!");
513 return TargetPlatform == WatchOS || TargetPlatform == WatchOSSimulator;
516 bool isTargetMacOS() const {
517 assert(TargetInitialized && "Target not initialized!");
518 return TargetPlatform == MacOS;
521 bool isTargetInitialized() const { return TargetInitialized; }
523 VersionTuple getTargetVersion() const {
524 assert(TargetInitialized && "Target not initialized!");
525 return TargetVersion;
528 bool isIPhoneOSVersionLT(unsigned V0, unsigned V1 = 0,
529 unsigned V2 = 0) const {
530 assert(isTargetIOSBased() && "Unexpected call for non iOS target!");
531 return TargetVersion < VersionTuple(V0, V1, V2);
534 bool isMacosxVersionLT(unsigned V0, unsigned V1 = 0, unsigned V2 = 0) const {
535 assert(isTargetMacOS() && "Unexpected call for non OS X target!");
536 return TargetVersion < VersionTuple(V0, V1, V2);
539 StringRef getPlatformFamily() const;
540 static StringRef getSDKName(StringRef isysroot);
541 StringRef getOSLibraryNameSuffix() const;
545 /// @name ToolChain Implementation
548 // Darwin tools support multiple architecture (e.g., i386 and x86_64) and
549 // most development is done against SDKs, so compiling for a different
550 // architecture should not get any special treatment.
551 bool isCrossCompiling() const override { return false; }
553 llvm::opt::DerivedArgList *
554 TranslateArgs(const llvm::opt::DerivedArgList &Args, StringRef BoundArch,
555 Action::OffloadKind DeviceOffloadKind) const override;
557 CXXStdlibType GetDefaultCXXStdlibType() const override;
558 ObjCRuntime getDefaultObjCRuntime(bool isNonFragile) const override;
559 bool hasBlocksRuntime() const override;
561 void AddCudaIncludeArgs(const llvm::opt::ArgList &DriverArgs,
562 llvm::opt::ArgStringList &CC1Args) const override;
564 bool UseObjCMixedDispatch() const override {
565 // This is only used with the non-fragile ABI and non-legacy dispatch.
567 // Mixed dispatch is used everywhere except OS X before 10.6.
568 return !(isTargetMacOS() && isMacosxVersionLT(10, 6));
571 unsigned GetDefaultStackProtectorLevel(bool KernelOrKext) const override {
572 // Stack protectors default to on for user code on 10.5,
573 // and for everything in 10.6 and beyond
574 if (isTargetIOSBased() || isTargetWatchOSBased())
576 else if (isTargetMacOS() && !isMacosxVersionLT(10, 6))
578 else if (isTargetMacOS() && !isMacosxVersionLT(10, 5) && !KernelOrKext)
584 bool SupportsObjCGC() const override;
586 void CheckObjCARC() const override;
588 bool UseSjLjExceptions(const llvm::opt::ArgList &Args) const override;
590 bool SupportsEmbeddedBitcode() const override;
592 SanitizerMask getSupportedSanitizers() const override;
594 void printVerboseInfo(raw_ostream &OS) const override;
597 /// DarwinClang - The Darwin toolchain used by Clang.
598 class LLVM_LIBRARY_VISIBILITY DarwinClang : public Darwin {
600 DarwinClang(const Driver &D, const llvm::Triple &Triple,
601 const llvm::opt::ArgList &Args);
603 /// @name Apple ToolChain Implementation
606 RuntimeLibType GetRuntimeLibType(const llvm::opt::ArgList &Args) const override;
608 void AddLinkRuntimeLibArgs(const llvm::opt::ArgList &Args,
609 llvm::opt::ArgStringList &CmdArgs) const override;
611 void AddCXXStdlibLibArgs(const llvm::opt::ArgList &Args,
612 llvm::opt::ArgStringList &CmdArgs) const override;
614 void AddCCKextLibArgs(const llvm::opt::ArgList &Args,
615 llvm::opt::ArgStringList &CmdArgs) const override;
617 void addClangWarningOptions(llvm::opt::ArgStringList &CC1Args) const override;
619 void AddLinkARCArgs(const llvm::opt::ArgList &Args,
620 llvm::opt::ArgStringList &CmdArgs) const override;
622 unsigned GetDefaultDwarfVersion() const override;
623 // Until dtrace (via CTF) and LLDB can deal with distributed debug info,
624 // Darwin defaults to standalone/full debug info.
625 bool GetDefaultStandaloneDebug() const override { return true; }
626 llvm::DebuggerKind getDefaultDebuggerTuning() const override {
627 return llvm::DebuggerKind::LLDB;
633 void AddLinkSanitizerLibArgs(const llvm::opt::ArgList &Args,
634 llvm::opt::ArgStringList &CmdArgs,
635 StringRef Sanitizer) const;
638 class LLVM_LIBRARY_VISIBILITY Generic_ELF : public Generic_GCC {
639 virtual void anchor();
642 Generic_ELF(const Driver &D, const llvm::Triple &Triple,
643 const llvm::opt::ArgList &Args)
644 : Generic_GCC(D, Triple, Args) {}
646 void addClangTargetOptions(const llvm::opt::ArgList &DriverArgs,
647 llvm::opt::ArgStringList &CC1Args) const override;
650 class LLVM_LIBRARY_VISIBILITY CloudABI : public Generic_ELF {
652 CloudABI(const Driver &D, const llvm::Triple &Triple,
653 const llvm::opt::ArgList &Args);
654 bool HasNativeLLVMSupport() const override { return true; }
656 bool IsMathErrnoDefault() const override { return false; }
657 bool IsObjCNonFragileABIDefault() const override { return true; }
660 GetCXXStdlibType(const llvm::opt::ArgList &Args) const override {
661 return ToolChain::CST_Libcxx;
663 std::string findLibCxxIncludePath() const override;
664 void AddCXXStdlibLibArgs(const llvm::opt::ArgList &Args,
665 llvm::opt::ArgStringList &CmdArgs) const override;
667 bool isPIEDefault() const override;
668 SanitizerMask getSupportedSanitizers() const override;
669 SanitizerMask getDefaultSanitizers() const override;
672 Tool *buildLinker() const override;
675 class LLVM_LIBRARY_VISIBILITY Solaris : public Generic_GCC {
677 Solaris(const Driver &D, const llvm::Triple &Triple,
678 const llvm::opt::ArgList &Args);
680 bool IsIntegratedAssemblerDefault() const override { return true; }
682 void AddClangCXXStdlibIncludeArgs(
683 const llvm::opt::ArgList &DriverArgs,
684 llvm::opt::ArgStringList &CC1Args) const override;
686 unsigned GetDefaultDwarfVersion() const override { return 2; }
689 Tool *buildAssembler() const override;
690 Tool *buildLinker() const override;
693 class LLVM_LIBRARY_VISIBILITY MinGW : public ToolChain {
695 MinGW(const Driver &D, const llvm::Triple &Triple,
696 const llvm::opt::ArgList &Args);
698 bool IsIntegratedAssemblerDefault() const override;
699 bool IsUnwindTablesDefault() const override;
700 bool isPICDefault() const override;
701 bool isPIEDefault() const override;
702 bool isPICDefaultForced() const override;
703 bool UseSEHExceptions() const;
706 AddClangSystemIncludeArgs(const llvm::opt::ArgList &DriverArgs,
707 llvm::opt::ArgStringList &CC1Args) const override;
708 void AddClangCXXStdlibIncludeArgs(
709 const llvm::opt::ArgList &DriverArgs,
710 llvm::opt::ArgStringList &CC1Args) const override;
713 Tool *getTool(Action::ActionClass AC) const override;
714 Tool *buildLinker() const override;
715 Tool *buildAssembler() const override;
719 std::string GccLibDir;
722 mutable std::unique_ptr<tools::gcc::Preprocessor> Preprocessor;
723 mutable std::unique_ptr<tools::gcc::Compiler> Compiler;
724 void findGccLibDir();
727 class LLVM_LIBRARY_VISIBILITY Haiku : public Generic_ELF {
729 Haiku(const Driver &D, const llvm::Triple &Triple,
730 const llvm::opt::ArgList &Args);
732 bool isPIEDefault() const override {
733 return getTriple().getArch() == llvm::Triple::x86_64;
736 std::string findLibCxxIncludePath() const override;
737 void addLibStdCxxIncludePaths(
738 const llvm::opt::ArgList &DriverArgs,
739 llvm::opt::ArgStringList &CC1Args) const override;
742 class LLVM_LIBRARY_VISIBILITY OpenBSD : public Generic_ELF {
744 OpenBSD(const Driver &D, const llvm::Triple &Triple,
745 const llvm::opt::ArgList &Args);
747 bool IsMathErrnoDefault() const override { return false; }
748 bool IsObjCNonFragileABIDefault() const override { return true; }
749 bool isPIEDefault() const override { return true; }
751 unsigned GetDefaultStackProtectorLevel(bool KernelOrKext) const override {
754 unsigned GetDefaultDwarfVersion() const override { return 2; }
757 Tool *buildAssembler() const override;
758 Tool *buildLinker() const override;
761 class LLVM_LIBRARY_VISIBILITY Bitrig : public Generic_ELF {
763 Bitrig(const Driver &D, const llvm::Triple &Triple,
764 const llvm::opt::ArgList &Args);
766 bool IsMathErrnoDefault() const override { return false; }
767 bool IsObjCNonFragileABIDefault() const override { return true; }
769 CXXStdlibType GetDefaultCXXStdlibType() const override;
770 void addLibStdCxxIncludePaths(
771 const llvm::opt::ArgList &DriverArgs,
772 llvm::opt::ArgStringList &CC1Args) const override;
773 void AddCXXStdlibLibArgs(const llvm::opt::ArgList &Args,
774 llvm::opt::ArgStringList &CmdArgs) const override;
775 unsigned GetDefaultStackProtectorLevel(bool KernelOrKext) const override {
780 Tool *buildAssembler() const override;
781 Tool *buildLinker() const override;
784 class LLVM_LIBRARY_VISIBILITY FreeBSD : public Generic_ELF {
786 FreeBSD(const Driver &D, const llvm::Triple &Triple,
787 const llvm::opt::ArgList &Args);
788 bool HasNativeLLVMSupport() const override;
790 bool IsMathErrnoDefault() const override { return false; }
791 bool IsObjCNonFragileABIDefault() const override { return true; }
793 CXXStdlibType GetDefaultCXXStdlibType() const override;
794 void addLibStdCxxIncludePaths(
795 const llvm::opt::ArgList &DriverArgs,
796 llvm::opt::ArgStringList &CC1Args) const override;
797 void AddCXXStdlibLibArgs(const llvm::opt::ArgList &Args,
798 llvm::opt::ArgStringList &CmdArgs) const override;
800 bool UseSjLjExceptions(const llvm::opt::ArgList &Args) const override;
801 bool isPIEDefault() const override;
802 SanitizerMask getSupportedSanitizers() const override;
803 unsigned GetDefaultDwarfVersion() const override { return 2; }
804 // Until dtrace (via CTF) and LLDB can deal with distributed debug info,
805 // FreeBSD defaults to standalone/full debug info.
806 bool GetDefaultStandaloneDebug() const override { return true; }
809 Tool *buildAssembler() const override;
810 Tool *buildLinker() const override;
813 class LLVM_LIBRARY_VISIBILITY NetBSD : public Generic_ELF {
815 NetBSD(const Driver &D, const llvm::Triple &Triple,
816 const llvm::opt::ArgList &Args);
818 bool IsMathErrnoDefault() const override { return false; }
819 bool IsObjCNonFragileABIDefault() const override { return true; }
821 CXXStdlibType GetDefaultCXXStdlibType() const override;
823 std::string findLibCxxIncludePath() const override;
824 void addLibStdCxxIncludePaths(
825 const llvm::opt::ArgList &DriverArgs,
826 llvm::opt::ArgStringList &CC1Args) const override;
828 bool IsUnwindTablesDefault() const override { return true; }
831 Tool *buildAssembler() const override;
832 Tool *buildLinker() const override;
835 class LLVM_LIBRARY_VISIBILITY Minix : public Generic_ELF {
837 Minix(const Driver &D, const llvm::Triple &Triple,
838 const llvm::opt::ArgList &Args);
841 Tool *buildAssembler() const override;
842 Tool *buildLinker() const override;
845 class LLVM_LIBRARY_VISIBILITY DragonFly : public Generic_ELF {
847 DragonFly(const Driver &D, const llvm::Triple &Triple,
848 const llvm::opt::ArgList &Args);
850 bool IsMathErrnoDefault() const override { return false; }
853 Tool *buildAssembler() const override;
854 Tool *buildLinker() const override;
857 class LLVM_LIBRARY_VISIBILITY Linux : public Generic_ELF {
859 Linux(const Driver &D, const llvm::Triple &Triple,
860 const llvm::opt::ArgList &Args);
862 bool HasNativeLLVMSupport() const override;
865 AddClangSystemIncludeArgs(const llvm::opt::ArgList &DriverArgs,
866 llvm::opt::ArgStringList &CC1Args) const override;
867 std::string findLibCxxIncludePath() const override;
868 void addLibStdCxxIncludePaths(
869 const llvm::opt::ArgList &DriverArgs,
870 llvm::opt::ArgStringList &CC1Args) const override;
871 void AddCudaIncludeArgs(const llvm::opt::ArgList &DriverArgs,
872 llvm::opt::ArgStringList &CC1Args) const override;
873 void AddIAMCUIncludeArgs(const llvm::opt::ArgList &DriverArgs,
874 llvm::opt::ArgStringList &CC1Args) const override;
875 bool isPIEDefault() const override;
876 SanitizerMask getSupportedSanitizers() const override;
877 void addProfileRTLibs(const llvm::opt::ArgList &Args,
878 llvm::opt::ArgStringList &CmdArgs) const override;
879 virtual std::string computeSysRoot() const;
881 virtual std::string getDynamicLinker(const llvm::opt::ArgList &Args) const;
883 std::vector<std::string> ExtraOpts;
886 Tool *buildAssembler() const override;
887 Tool *buildLinker() const override;
890 class LLVM_LIBRARY_VISIBILITY CudaToolChain : public ToolChain {
892 CudaToolChain(const Driver &D, const llvm::Triple &Triple,
893 const ToolChain &HostTC, const llvm::opt::ArgList &Args);
895 llvm::opt::DerivedArgList *
896 TranslateArgs(const llvm::opt::DerivedArgList &Args, StringRef BoundArch,
897 Action::OffloadKind DeviceOffloadKind) const override;
898 void addClangTargetOptions(const llvm::opt::ArgList &DriverArgs,
899 llvm::opt::ArgStringList &CC1Args) const override;
901 // Never try to use the integrated assembler with CUDA; always fork out to
903 bool useIntegratedAs() const override { return false; }
904 bool isCrossCompiling() const override { return true; }
905 bool isPICDefault() const override { return false; }
906 bool isPIEDefault() const override { return false; }
907 bool isPICDefaultForced() const override { return false; }
908 bool SupportsProfiling() const override { return false; }
909 bool SupportsObjCGC() const override { return false; }
911 void AddCudaIncludeArgs(const llvm::opt::ArgList &DriverArgs,
912 llvm::opt::ArgStringList &CC1Args) const override;
914 void addClangWarningOptions(llvm::opt::ArgStringList &CC1Args) const override;
915 CXXStdlibType GetCXXStdlibType(const llvm::opt::ArgList &Args) const override;
917 AddClangSystemIncludeArgs(const llvm::opt::ArgList &DriverArgs,
918 llvm::opt::ArgStringList &CC1Args) const override;
919 void AddClangCXXStdlibIncludeArgs(
920 const llvm::opt::ArgList &Args,
921 llvm::opt::ArgStringList &CC1Args) const override;
922 void AddIAMCUIncludeArgs(const llvm::opt::ArgList &DriverArgs,
923 llvm::opt::ArgStringList &CC1Args) const override;
925 SanitizerMask getSupportedSanitizers() const override;
927 const ToolChain &HostTC;
928 CudaInstallationDetector CudaInstallation;
931 Tool *buildAssembler() const override; // ptxas
932 Tool *buildLinker() const override; // fatbinary (ok, not really a linker)
935 class LLVM_LIBRARY_VISIBILITY MipsLLVMToolChain : public Linux {
937 Tool *buildLinker() const override;
940 MipsLLVMToolChain(const Driver &D, const llvm::Triple &Triple,
941 const llvm::opt::ArgList &Args);
944 AddClangSystemIncludeArgs(const llvm::opt::ArgList &DriverArgs,
945 llvm::opt::ArgStringList &CC1Args) const override;
947 CXXStdlibType GetCXXStdlibType(const llvm::opt::ArgList &Args) const override;
949 std::string findLibCxxIncludePath() const override;
951 void AddCXXStdlibLibArgs(const llvm::opt::ArgList &Args,
952 llvm::opt::ArgStringList &CmdArgs) const override;
954 std::string getCompilerRT(const llvm::opt::ArgList &Args, StringRef Component,
955 bool Shared = false) const override;
957 std::string computeSysRoot() const override;
959 RuntimeLibType GetDefaultRuntimeLibType() const override {
960 return GCCInstallation.isValid() ? RuntimeLibType::RLT_Libgcc
961 : RuntimeLibType::RLT_CompilerRT;
964 const char *getDefaultLinker() const override {
969 Multilib SelectedMultilib;
970 std::string LibSuffix;
973 class LLVM_LIBRARY_VISIBILITY LanaiToolChain : public Generic_ELF {
975 LanaiToolChain(const Driver &D, const llvm::Triple &Triple,
976 const llvm::opt::ArgList &Args)
977 : Generic_ELF(D, Triple, Args) {}
979 // No support for finding a C++ standard library yet.
980 std::string findLibCxxIncludePath() const override { return ""; }
981 void addLibStdCxxIncludePaths(
982 const llvm::opt::ArgList &DriverArgs,
983 llvm::opt::ArgStringList &CC1Args) const override {}
985 bool IsIntegratedAssemblerDefault() const override { return true; }
988 class LLVM_LIBRARY_VISIBILITY HexagonToolChain : public Linux {
990 GCCVersion GCCLibAndIncVersion;
991 Tool *buildAssembler() const override;
992 Tool *buildLinker() const override;
995 HexagonToolChain(const Driver &D, const llvm::Triple &Triple,
996 const llvm::opt::ArgList &Args);
997 ~HexagonToolChain() override;
1000 AddClangSystemIncludeArgs(const llvm::opt::ArgList &DriverArgs,
1001 llvm::opt::ArgStringList &CC1Args) const override;
1002 void addLibStdCxxIncludePaths(
1003 const llvm::opt::ArgList &DriverArgs,
1004 llvm::opt::ArgStringList &CC1Args) const override;
1005 CXXStdlibType GetCXXStdlibType(const llvm::opt::ArgList &Args) const override;
1007 StringRef GetGCCLibAndIncVersion() const { return GCCLibAndIncVersion.Text; }
1008 bool IsIntegratedAssemblerDefault() const override {
1012 std::string getHexagonTargetDir(
1013 const std::string &InstalledDir,
1014 const SmallVectorImpl<std::string> &PrefixDirs) const;
1015 void getHexagonLibraryPaths(const llvm::opt::ArgList &Args,
1016 ToolChain::path_list &LibPaths) const;
1018 static const StringRef GetDefaultCPU();
1019 static const StringRef GetTargetCPUVersion(const llvm::opt::ArgList &Args);
1021 static Optional<unsigned> getSmallDataThreshold(
1022 const llvm::opt::ArgList &Args);
1025 class LLVM_LIBRARY_VISIBILITY AMDGPUToolChain : public Generic_ELF {
1027 Tool *buildLinker() const override;
1030 AMDGPUToolChain(const Driver &D, const llvm::Triple &Triple,
1031 const llvm::opt::ArgList &Args);
1032 unsigned GetDefaultDwarfVersion() const override { return 2; }
1033 bool IsIntegratedAssemblerDefault() const override { return true; }
1036 class LLVM_LIBRARY_VISIBILITY NaClToolChain : public Generic_ELF {
1038 NaClToolChain(const Driver &D, const llvm::Triple &Triple,
1039 const llvm::opt::ArgList &Args);
1042 AddClangSystemIncludeArgs(const llvm::opt::ArgList &DriverArgs,
1043 llvm::opt::ArgStringList &CC1Args) const override;
1044 std::string findLibCxxIncludePath() const override;
1046 CXXStdlibType GetCXXStdlibType(const llvm::opt::ArgList &Args) const override;
1048 void AddCXXStdlibLibArgs(const llvm::opt::ArgList &Args,
1049 llvm::opt::ArgStringList &CmdArgs) const override;
1051 bool IsIntegratedAssemblerDefault() const override {
1052 return getTriple().getArch() == llvm::Triple::mipsel;
1055 // Get the path to the file containing NaCl's ARM macros.
1056 // It lives in NaClToolChain because the ARMAssembler tool needs a
1057 // const char * that it can pass around,
1058 const char *GetNaClArmMacrosPath() const { return NaClArmMacrosPath.c_str(); }
1060 std::string ComputeEffectiveClangTriple(const llvm::opt::ArgList &Args,
1061 types::ID InputType) const override;
1064 Tool *buildLinker() const override;
1065 Tool *buildAssembler() const override;
1068 std::string NaClArmMacrosPath;
1071 class LLVM_LIBRARY_VISIBILITY Fuchsia : public Generic_ELF {
1073 Fuchsia(const Driver &D, const llvm::Triple &Triple,
1074 const llvm::opt::ArgList &Args);
1076 bool isPIEDefault() const override { return true; }
1077 bool HasNativeLLVMSupport() const override { return true; }
1078 bool IsIntegratedAssemblerDefault() const override { return true; }
1079 llvm::DebuggerKind getDefaultDebuggerTuning() const override {
1080 return llvm::DebuggerKind::GDB;
1084 GetRuntimeLibType(const llvm::opt::ArgList &Args) const override;
1086 GetCXXStdlibType(const llvm::opt::ArgList &Args) const override;
1088 void addClangTargetOptions(const llvm::opt::ArgList &DriverArgs,
1089 llvm::opt::ArgStringList &CC1Args) const override;
1091 AddClangSystemIncludeArgs(const llvm::opt::ArgList &DriverArgs,
1092 llvm::opt::ArgStringList &CC1Args) const override;
1093 std::string findLibCxxIncludePath() const override;
1094 void AddCXXStdlibLibArgs(const llvm::opt::ArgList &Args,
1095 llvm::opt::ArgStringList &CmdArgs) const override;
1097 const char *getDefaultLinker() const override {
1102 Tool *buildAssembler() const override;
1103 Tool *buildLinker() const override;
1106 /// TCEToolChain - A tool chain using the llvm bitcode tools to perform
1107 /// all subcommands. See http://tce.cs.tut.fi for our peculiar target.
1108 class LLVM_LIBRARY_VISIBILITY TCEToolChain : public ToolChain {
1110 TCEToolChain(const Driver &D, const llvm::Triple &Triple,
1111 const llvm::opt::ArgList &Args);
1112 ~TCEToolChain() override;
1114 bool IsMathErrnoDefault() const override;
1115 bool isPICDefault() const override;
1116 bool isPIEDefault() const override;
1117 bool isPICDefaultForced() const override;
1120 /// Toolchain for little endian TCE cores.
1121 class LLVM_LIBRARY_VISIBILITY TCELEToolChain : public TCEToolChain {
1123 TCELEToolChain(const Driver &D, const llvm::Triple &Triple,
1124 const llvm::opt::ArgList &Args);
1125 ~TCELEToolChain() override;
1128 class LLVM_LIBRARY_VISIBILITY MSVCToolChain : public ToolChain {
1130 MSVCToolChain(const Driver &D, const llvm::Triple &Triple,
1131 const llvm::opt::ArgList &Args);
1133 llvm::opt::DerivedArgList *
1134 TranslateArgs(const llvm::opt::DerivedArgList &Args, StringRef BoundArch,
1135 Action::OffloadKind DeviceOffloadKind) const override;
1137 bool IsIntegratedAssemblerDefault() const override;
1138 bool IsUnwindTablesDefault() const override;
1139 bool isPICDefault() const override { return false; }
1140 bool isPIEDefault() const override { return false; }
1141 bool isPICDefaultForced() const override { return false; }
1144 AddClangSystemIncludeArgs(const llvm::opt::ArgList &DriverArgs,
1145 llvm::opt::ArgStringList &CC1Args) const override;
1146 void AddClangCXXStdlibIncludeArgs(
1147 const llvm::opt::ArgList &DriverArgs,
1148 llvm::opt::ArgStringList &CC1Args) const override;
1150 bool getWindowsSDKDir(std::string &path, int &major,
1151 std::string &windowsSDKIncludeVersion,
1152 std::string &windowsSDKLibVersion) const;
1153 bool getWindowsSDKLibraryPath(std::string &path) const;
1154 /// \brief Check if Universal CRT should be used if available
1155 bool useUniversalCRT(std::string &visualStudioDir) const;
1156 bool getUniversalCRTSdkDir(std::string &path, std::string &ucrtVersion) const;
1157 bool getUniversalCRTLibraryPath(std::string &path) const;
1158 bool getVisualStudioInstallDir(std::string &path) const;
1159 bool getVisualStudioBinariesFolder(const char *clangProgramPath,
1160 std::string &path) const;
1162 computeMSVCVersion(const Driver *D,
1163 const llvm::opt::ArgList &Args) const override;
1165 std::string ComputeEffectiveClangTriple(const llvm::opt::ArgList &Args,
1166 types::ID InputType) const override;
1167 SanitizerMask getSupportedSanitizers() const override;
1170 void AddSystemIncludeWithSubfolder(const llvm::opt::ArgList &DriverArgs,
1171 llvm::opt::ArgStringList &CC1Args,
1172 const std::string &folder,
1173 const Twine &subfolder1,
1174 const Twine &subfolder2 = "",
1175 const Twine &subfolder3 = "") const;
1177 Tool *buildLinker() const override;
1178 Tool *buildAssembler() const override;
1180 VersionTuple getMSVCVersionFromTriple() const;
1181 VersionTuple getMSVCVersionFromExe() const;
1184 class LLVM_LIBRARY_VISIBILITY CrossWindowsToolChain : public Generic_GCC {
1186 CrossWindowsToolChain(const Driver &D, const llvm::Triple &T,
1187 const llvm::opt::ArgList &Args);
1189 bool IsIntegratedAssemblerDefault() const override { return true; }
1190 bool IsUnwindTablesDefault() const override;
1191 bool isPICDefault() const override;
1192 bool isPIEDefault() const override;
1193 bool isPICDefaultForced() const override;
1195 unsigned int GetDefaultStackProtectorLevel(bool KernelOrKext) const override {
1200 AddClangSystemIncludeArgs(const llvm::opt::ArgList &DriverArgs,
1201 llvm::opt::ArgStringList &CC1Args) const override;
1202 void AddClangCXXStdlibIncludeArgs(
1203 const llvm::opt::ArgList &DriverArgs,
1204 llvm::opt::ArgStringList &CC1Args) const override;
1205 void AddCXXStdlibLibArgs(const llvm::opt::ArgList &Args,
1206 llvm::opt::ArgStringList &CmdArgs) const override;
1208 SanitizerMask getSupportedSanitizers() const override;
1211 Tool *buildLinker() const override;
1212 Tool *buildAssembler() const override;
1215 class LLVM_LIBRARY_VISIBILITY XCoreToolChain : public ToolChain {
1217 XCoreToolChain(const Driver &D, const llvm::Triple &Triple,
1218 const llvm::opt::ArgList &Args);
1221 Tool *buildAssembler() const override;
1222 Tool *buildLinker() const override;
1225 bool isPICDefault() const override;
1226 bool isPIEDefault() const override;
1227 bool isPICDefaultForced() const override;
1228 bool SupportsProfiling() const override;
1229 bool hasBlocksRuntime() const override;
1231 AddClangSystemIncludeArgs(const llvm::opt::ArgList &DriverArgs,
1232 llvm::opt::ArgStringList &CC1Args) const override;
1233 void addClangTargetOptions(const llvm::opt::ArgList &DriverArgs,
1234 llvm::opt::ArgStringList &CC1Args) const override;
1235 void AddClangCXXStdlibIncludeArgs(
1236 const llvm::opt::ArgList &DriverArgs,
1237 llvm::opt::ArgStringList &CC1Args) const override;
1238 void AddCXXStdlibLibArgs(const llvm::opt::ArgList &Args,
1239 llvm::opt::ArgStringList &CmdArgs) const override;
1242 /// MyriadToolChain - A tool chain using either clang or the external compiler
1243 /// installed by the Movidius SDK to perform all subcommands.
1244 class LLVM_LIBRARY_VISIBILITY MyriadToolChain : public Generic_ELF {
1246 MyriadToolChain(const Driver &D, const llvm::Triple &Triple,
1247 const llvm::opt::ArgList &Args);
1248 ~MyriadToolChain() override;
1251 AddClangSystemIncludeArgs(const llvm::opt::ArgList &DriverArgs,
1252 llvm::opt::ArgStringList &CC1Args) const override;
1253 std::string findLibCxxIncludePath() const override;
1254 void addLibStdCxxIncludePaths(
1255 const llvm::opt::ArgList &DriverArgs,
1256 llvm::opt::ArgStringList &CC1Args) const override;
1257 Tool *SelectTool(const JobAction &JA) const override;
1258 unsigned GetDefaultDwarfVersion() const override { return 2; }
1259 SanitizerMask getSupportedSanitizers() const override;
1262 Tool *buildLinker() const override;
1263 bool isShaveCompilation(const llvm::Triple &T) const {
1264 return T.getArch() == llvm::Triple::shave;
1268 mutable std::unique_ptr<Tool> Compiler;
1269 mutable std::unique_ptr<Tool> Assembler;
1272 class LLVM_LIBRARY_VISIBILITY WebAssembly final : public ToolChain {
1274 WebAssembly(const Driver &D, const llvm::Triple &Triple,
1275 const llvm::opt::ArgList &Args);
1278 bool IsMathErrnoDefault() const override;
1279 bool IsObjCNonFragileABIDefault() const override;
1280 bool UseObjCMixedDispatch() const override;
1281 bool isPICDefault() const override;
1282 bool isPIEDefault() const override;
1283 bool isPICDefaultForced() const override;
1284 bool IsIntegratedAssemblerDefault() const override;
1285 bool hasBlocksRuntime() const override;
1286 bool SupportsObjCGC() const override;
1287 bool SupportsProfiling() const override;
1288 bool HasNativeLLVMSupport() const override;
1289 void addClangTargetOptions(const llvm::opt::ArgList &DriverArgs,
1290 llvm::opt::ArgStringList &CC1Args) const override;
1291 RuntimeLibType GetDefaultRuntimeLibType() const override;
1292 CXXStdlibType GetCXXStdlibType(const llvm::opt::ArgList &Args) const override;
1293 void AddClangSystemIncludeArgs(
1294 const llvm::opt::ArgList &DriverArgs,
1295 llvm::opt::ArgStringList &CC1Args) const override;
1296 void AddClangCXXStdlibIncludeArgs(
1297 const llvm::opt::ArgList &DriverArgs,
1298 llvm::opt::ArgStringList &CC1Args) const override;
1300 const char *getDefaultLinker() const override {
1304 Tool *buildLinker() const override;
1307 class LLVM_LIBRARY_VISIBILITY PS4CPU : public Generic_ELF {
1309 PS4CPU(const Driver &D, const llvm::Triple &Triple,
1310 const llvm::opt::ArgList &Args);
1312 // No support for finding a C++ standard library yet.
1313 std::string findLibCxxIncludePath() const override { return ""; }
1314 void addLibStdCxxIncludePaths(
1315 const llvm::opt::ArgList &DriverArgs,
1316 llvm::opt::ArgStringList &CC1Args) const override {}
1318 bool IsMathErrnoDefault() const override { return false; }
1319 bool IsObjCNonFragileABIDefault() const override { return true; }
1320 bool HasNativeLLVMSupport() const override;
1321 bool isPICDefault() const override;
1323 unsigned GetDefaultStackProtectorLevel(bool KernelOrKext) const override {
1324 return 2; // SSPStrong
1327 llvm::DebuggerKind getDefaultDebuggerTuning() const override {
1328 return llvm::DebuggerKind::SCE;
1331 SanitizerMask getSupportedSanitizers() const override;
1334 Tool *buildAssembler() const override;
1335 Tool *buildLinker() const override;
1338 class LLVM_LIBRARY_VISIBILITY Contiki : public Generic_ELF {
1340 Contiki(const Driver &D, const llvm::Triple &Triple,
1341 const llvm::opt::ArgList &Args);
1343 // No support for finding a C++ standard library yet.
1344 std::string findLibCxxIncludePath() const override { return ""; }
1345 void addLibStdCxxIncludePaths(
1346 const llvm::opt::ArgList &DriverArgs,
1347 llvm::opt::ArgStringList &CC1Args) const override {}
1349 SanitizerMask getSupportedSanitizers() const override;
1352 } // end namespace toolchains
1353 } // end namespace driver
1354 } // end namespace clang
1356 #endif // LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_H