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/VersionTuple.h"
15 #include "clang/Driver/Action.h"
16 #include "clang/Driver/Multilib.h"
17 #include "clang/Driver/ToolChain.h"
18 #include "llvm/ADT/DenseMap.h"
19 #include "llvm/ADT/Optional.h"
20 #include "llvm/Support/Compiler.h"
26 namespace toolchains {
28 /// Generic_GCC - A tool chain using the 'gcc' command to perform
29 /// all subcommands; this relies on gcc translating the majority of
30 /// command line options.
31 class LLVM_LIBRARY_VISIBILITY Generic_GCC : public ToolChain {
33 /// \brief Struct to store and manipulate GCC versions.
35 /// We rely on assumptions about the form and structure of GCC version
36 /// numbers: they consist of at most three '.'-separated components, and each
37 /// component is a non-negative integer except for the last component. For
38 /// the last component we are very flexible in order to tolerate release
39 /// candidates or 'x' wildcards.
41 /// Note that the ordering established among GCCVersions is based on the
42 /// preferred version string to use. For example we prefer versions without
43 /// a hard-coded patch number to those with a hard coded patch number.
45 /// Currently this doesn't provide any logic for textual suffixes to patches
46 /// in the way that (for example) Debian's version format does. If that ever
47 /// becomes necessary, it can be added.
49 /// \brief The unparsed text of the version.
52 /// \brief The parsed major, minor, and patch numbers.
53 int Major, Minor, Patch;
55 /// \brief The text of the parsed major, and major+minor versions.
56 std::string MajorStr, MinorStr;
58 /// \brief Any textual suffix on the patch number.
59 std::string PatchSuffix;
61 static GCCVersion Parse(StringRef VersionText);
62 bool isOlderThan(int RHSMajor, int RHSMinor, int RHSPatch,
63 StringRef RHSPatchSuffix = StringRef()) const;
64 bool operator<(const GCCVersion &RHS) const {
65 return isOlderThan(RHS.Major, RHS.Minor, RHS.Patch, RHS.PatchSuffix);
67 bool operator>(const GCCVersion &RHS) const { return RHS < *this; }
68 bool operator<=(const GCCVersion &RHS) const { return !(*this > RHS); }
69 bool operator>=(const GCCVersion &RHS) const { return !(*this < RHS); }
72 /// \brief This is a class to find a viable GCC installation for Clang to
75 /// This class tries to find a GCC installation on the system, and report
76 /// information about it. It starts from the host information provided to the
77 /// Driver, and has logic for fuzzing that where appropriate.
78 class GCCInstallationDetector {
80 llvm::Triple GCCTriple;
82 // FIXME: These might be better as path objects.
83 std::string GCCInstallPath;
84 std::string GCCParentLibPath;
86 /// The primary multilib appropriate for the given flags.
87 Multilib SelectedMultilib;
88 /// On Biarch systems, this corresponds to the default multilib when
89 /// targeting the non-default multilib. Otherwise, it is empty.
90 llvm::Optional<Multilib> BiarchSibling;
94 // We retain the list of install paths that were considered and rejected in
95 // order to print out detailed information in verbose mode.
96 std::set<std::string> CandidateGCCInstallPaths;
98 /// The set of multilibs that the detected installation supports.
99 MultilibSet Multilibs;
102 GCCInstallationDetector() : IsValid(false) {}
103 void init(const Driver &D, const llvm::Triple &TargetTriple,
104 const llvm::opt::ArgList &Args);
106 /// \brief Check whether we detected a valid GCC install.
107 bool isValid() const { return IsValid; }
109 /// \brief Get the GCC triple for the detected install.
110 const llvm::Triple &getTriple() const { return GCCTriple; }
112 /// \brief Get the detected GCC installation path.
113 StringRef getInstallPath() const { return GCCInstallPath; }
115 /// \brief Get the detected GCC parent lib path.
116 StringRef getParentLibPath() const { return GCCParentLibPath; }
118 /// \brief Get the detected Multilib
119 const Multilib &getMultilib() const { return SelectedMultilib; }
121 /// \brief Get the whole MultilibSet
122 const MultilibSet &getMultilibs() const { return Multilibs; }
124 /// Get the biarch sibling multilib (if it exists).
125 /// \return true iff such a sibling exists
126 bool getBiarchSibling(Multilib &M) const;
128 /// \brief Get the detected GCC version string.
129 const GCCVersion &getVersion() const { return Version; }
131 /// \brief Print information about the detected GCC installation.
132 void print(raw_ostream &OS) const;
136 CollectLibDirsAndTriples(const llvm::Triple &TargetTriple,
137 const llvm::Triple &BiarchTriple,
138 SmallVectorImpl<StringRef> &LibDirs,
139 SmallVectorImpl<StringRef> &TripleAliases,
140 SmallVectorImpl<StringRef> &BiarchLibDirs,
141 SmallVectorImpl<StringRef> &BiarchTripleAliases);
143 void ScanLibDirForGCCTriple(const llvm::Triple &TargetArch,
144 const llvm::opt::ArgList &Args,
145 const std::string &LibDir,
146 StringRef CandidateTriple,
147 bool NeedsBiarchSuffix = false);
151 GCCInstallationDetector GCCInstallation;
154 Generic_GCC(const Driver &D, const llvm::Triple &Triple,
155 const llvm::opt::ArgList &Args);
156 ~Generic_GCC() override;
158 void printVerboseInfo(raw_ostream &OS) const override;
160 bool IsUnwindTablesDefault() const override;
161 bool isPICDefault() const override;
162 bool isPIEDefault() const override;
163 bool isPICDefaultForced() const override;
164 bool IsIntegratedAssemblerDefault() const override;
167 Tool *getTool(Action::ActionClass AC) const override;
168 Tool *buildAssembler() const override;
169 Tool *buildLinker() const override;
171 /// \name ToolChain Implementation Helper Functions
174 /// \brief Check whether the target triple's architecture is 64-bits.
175 bool isTarget64Bit() const { return getTriple().isArch64Bit(); }
177 /// \brief Check whether the target triple's architecture is 32-bits.
178 bool isTarget32Bit() const { return getTriple().isArch32Bit(); }
183 mutable std::unique_ptr<tools::gcc::Preprocessor> Preprocess;
184 mutable std::unique_ptr<tools::gcc::Compiler> Compile;
187 class LLVM_LIBRARY_VISIBILITY MachO : public ToolChain {
189 Tool *buildAssembler() const override;
190 Tool *buildLinker() const override;
191 Tool *getTool(Action::ActionClass AC) const override;
194 mutable std::unique_ptr<tools::darwin::Lipo> Lipo;
195 mutable std::unique_ptr<tools::darwin::Dsymutil> Dsymutil;
196 mutable std::unique_ptr<tools::darwin::VerifyDebug> VerifyDebug;
199 MachO(const Driver &D, const llvm::Triple &Triple,
200 const llvm::opt::ArgList &Args);
203 /// @name MachO specific toolchain API
206 /// Get the "MachO" arch name for a particular compiler invocation. For
207 /// example, Apple treats different ARM variations as distinct architectures.
208 StringRef getMachOArchName(const llvm::opt::ArgList &Args) const;
210 /// Add the linker arguments to link the ARC runtime library.
211 virtual void AddLinkARCArgs(const llvm::opt::ArgList &Args,
212 llvm::opt::ArgStringList &CmdArgs) const {}
214 /// Add the linker arguments to link the compiler runtime library.
215 virtual void AddLinkRuntimeLibArgs(const llvm::opt::ArgList &Args,
216 llvm::opt::ArgStringList &CmdArgs) const;
218 virtual void addStartObjectFileArgs(const llvm::opt::ArgList &Args,
219 llvm::opt::ArgStringList &CmdArgs) const {
222 virtual void addMinVersionArgs(const llvm::opt::ArgList &Args,
223 llvm::opt::ArgStringList &CmdArgs) const {}
225 /// On some iOS platforms, kernel and kernel modules were built statically. Is
226 /// this such a target?
227 virtual bool isKernelStatic() const { return false; }
229 /// Is the target either iOS or an iOS simulator?
230 bool isTargetIOSBased() const { return false; }
232 void AddLinkRuntimeLib(const llvm::opt::ArgList &Args,
233 llvm::opt::ArgStringList &CmdArgs,
234 StringRef DarwinLibName, bool AlwaysLink = false,
235 bool IsEmbedded = false, bool AddRPath = false) const;
237 /// Add any profiling runtime libraries that are needed. This is essentially a
238 /// MachO specific version of addProfileRT in Tools.cpp.
239 virtual void addProfileRTLibs(const llvm::opt::ArgList &Args,
240 llvm::opt::ArgStringList &CmdArgs) const {
241 // There aren't any profiling libs for embedded targets currently.
245 /// @name ToolChain Implementation
248 std::string ComputeEffectiveClangTriple(const llvm::opt::ArgList &Args,
249 types::ID InputType) const override;
251 types::ID LookupTypeForExtension(const char *Ext) const override;
253 bool HasNativeLLVMSupport() const override;
255 llvm::opt::DerivedArgList *
256 TranslateArgs(const llvm::opt::DerivedArgList &Args,
257 const char *BoundArch) const override;
259 bool IsBlocksDefault() const override {
260 // Always allow blocks on Apple; users interested in versioning are
261 // expected to use /usr/include/Block.h.
264 bool IsIntegratedAssemblerDefault() const override {
265 // Default integrated assembler to on for Apple's MachO targets.
269 bool IsMathErrnoDefault() const override { return false; }
271 bool IsEncodeExtendedBlockSignatureDefault() const override { return true; }
273 bool IsObjCNonFragileABIDefault() const override {
274 // Non-fragile ABI is default for everything but i386.
275 return getTriple().getArch() != llvm::Triple::x86;
278 bool UseObjCMixedDispatch() const override { return true; }
280 bool IsUnwindTablesDefault() const override;
282 RuntimeLibType GetDefaultRuntimeLibType() const override {
283 return ToolChain::RLT_CompilerRT;
286 bool isPICDefault() const override;
287 bool isPIEDefault() const override;
288 bool isPICDefaultForced() const override;
290 bool SupportsProfiling() const override;
292 bool SupportsObjCGC() const override { return false; }
294 bool UseDwarfDebugFlags() const override;
296 bool UseSjLjExceptions() const override { return false; }
301 /// Darwin - The base Darwin tool chain.
302 class LLVM_LIBRARY_VISIBILITY Darwin : public MachO {
304 /// Whether the information on the target has been initialized.
306 // FIXME: This should be eliminated. What we want to do is make this part of
307 // the "default target for arguments" selection process, once we get out of
308 // the argument translation business.
309 mutable bool TargetInitialized;
311 enum DarwinPlatformKind { MacOS, IPhoneOS, IPhoneOSSimulator };
313 mutable DarwinPlatformKind TargetPlatform;
315 /// The OS version we are targeting.
316 mutable VersionTuple TargetVersion;
319 void AddDeploymentTarget(llvm::opt::DerivedArgList &Args) const;
322 Darwin(const Driver &D, const llvm::Triple &Triple,
323 const llvm::opt::ArgList &Args);
326 std::string ComputeEffectiveClangTriple(const llvm::opt::ArgList &Args,
327 types::ID InputType) const override;
329 /// @name Apple Specific Toolchain Implementation
332 void addMinVersionArgs(const llvm::opt::ArgList &Args,
333 llvm::opt::ArgStringList &CmdArgs) const override;
335 void addStartObjectFileArgs(const llvm::opt::ArgList &Args,
336 llvm::opt::ArgStringList &CmdArgs) const override;
338 bool isKernelStatic() const override {
339 return !isTargetIPhoneOS() || isIPhoneOSVersionLT(6, 0);
342 void addProfileRTLibs(const llvm::opt::ArgList &Args,
343 llvm::opt::ArgStringList &CmdArgs) const override;
347 /// @name Darwin specific Toolchain functions
350 // FIXME: Eliminate these ...Target functions and derive separate tool chains
351 // for these targets and put version in constructor.
352 void setTarget(DarwinPlatformKind Platform, unsigned Major, unsigned Minor,
353 unsigned Micro) const {
354 // FIXME: For now, allow reinitialization as long as values don't
355 // change. This will go away when we move away from argument translation.
356 if (TargetInitialized && TargetPlatform == Platform &&
357 TargetVersion == VersionTuple(Major, Minor, Micro))
360 assert(!TargetInitialized && "Target already initialized!");
361 TargetInitialized = true;
362 TargetPlatform = Platform;
363 TargetVersion = VersionTuple(Major, Minor, Micro);
366 bool isTargetIPhoneOS() const {
367 assert(TargetInitialized && "Target not initialized!");
368 return TargetPlatform == IPhoneOS;
371 bool isTargetIOSSimulator() const {
372 assert(TargetInitialized && "Target not initialized!");
373 return TargetPlatform == IPhoneOSSimulator;
376 bool isTargetIOSBased() const {
377 assert(TargetInitialized && "Target not initialized!");
378 return isTargetIPhoneOS() || isTargetIOSSimulator();
381 bool isTargetMacOS() const {
382 assert(TargetInitialized && "Target not initialized!");
383 return TargetPlatform == MacOS;
386 bool isTargetInitialized() const { return TargetInitialized; }
388 VersionTuple getTargetVersion() const {
389 assert(TargetInitialized && "Target not initialized!");
390 return TargetVersion;
393 bool isIPhoneOSVersionLT(unsigned V0, unsigned V1 = 0,
394 unsigned V2 = 0) const {
395 assert(isTargetIOSBased() && "Unexpected call for non iOS target!");
396 return TargetVersion < VersionTuple(V0, V1, V2);
399 bool isMacosxVersionLT(unsigned V0, unsigned V1 = 0, unsigned V2 = 0) const {
400 assert(isTargetMacOS() && "Unexpected call for non OS X target!");
401 return TargetVersion < VersionTuple(V0, V1, V2);
406 /// @name ToolChain Implementation
409 // Darwin tools support multiple architecture (e.g., i386 and x86_64) and
410 // most development is done against SDKs, so compiling for a different
411 // architecture should not get any special treatment.
412 bool isCrossCompiling() const override { return false; }
414 llvm::opt::DerivedArgList *
415 TranslateArgs(const llvm::opt::DerivedArgList &Args,
416 const char *BoundArch) const override;
418 ObjCRuntime getDefaultObjCRuntime(bool isNonFragile) const override;
419 bool hasBlocksRuntime() const override;
421 bool UseObjCMixedDispatch() const override {
422 // This is only used with the non-fragile ABI and non-legacy dispatch.
424 // Mixed dispatch is used everywhere except OS X before 10.6.
425 return !(isTargetMacOS() && isMacosxVersionLT(10, 6));
428 unsigned GetDefaultStackProtectorLevel(bool KernelOrKext) const override {
429 // Stack protectors default to on for user code on 10.5,
430 // and for everything in 10.6 and beyond
431 if (isTargetIOSBased())
433 else if (isTargetMacOS() && !isMacosxVersionLT(10, 6))
435 else if (isTargetMacOS() && !isMacosxVersionLT(10, 5) && !KernelOrKext)
441 bool SupportsObjCGC() const override;
443 void CheckObjCARC() const override;
445 bool UseSjLjExceptions() const override;
447 SanitizerMask getSupportedSanitizers() const override;
450 /// DarwinClang - The Darwin toolchain used by Clang.
451 class LLVM_LIBRARY_VISIBILITY DarwinClang : public Darwin {
453 DarwinClang(const Driver &D, const llvm::Triple &Triple,
454 const llvm::opt::ArgList &Args);
456 /// @name Apple ToolChain Implementation
459 void AddLinkRuntimeLibArgs(const llvm::opt::ArgList &Args,
460 llvm::opt::ArgStringList &CmdArgs) const override;
462 void AddCXXStdlibLibArgs(const llvm::opt::ArgList &Args,
463 llvm::opt::ArgStringList &CmdArgs) const override;
465 void AddCCKextLibArgs(const llvm::opt::ArgList &Args,
466 llvm::opt::ArgStringList &CmdArgs) const override;
468 void addClangWarningOptions(llvm::opt::ArgStringList &CC1Args) const override;
470 void AddLinkARCArgs(const llvm::opt::ArgList &Args,
471 llvm::opt::ArgStringList &CmdArgs) const override;
475 void AddLinkSanitizerLibArgs(const llvm::opt::ArgList &Args,
476 llvm::opt::ArgStringList &CmdArgs,
477 StringRef Sanitizer) const;
480 class LLVM_LIBRARY_VISIBILITY Generic_ELF : public Generic_GCC {
481 virtual void anchor();
484 Generic_ELF(const Driver &D, const llvm::Triple &Triple,
485 const llvm::opt::ArgList &Args)
486 : Generic_GCC(D, Triple, Args) {}
488 void addClangTargetOptions(const llvm::opt::ArgList &DriverArgs,
489 llvm::opt::ArgStringList &CC1Args) const override;
492 class LLVM_LIBRARY_VISIBILITY CloudABI : public Generic_ELF {
494 CloudABI(const Driver &D, const llvm::Triple &Triple,
495 const llvm::opt::ArgList &Args);
496 bool HasNativeLLVMSupport() const override { return true; }
498 bool IsMathErrnoDefault() const override { return false; }
499 bool IsObjCNonFragileABIDefault() const override { return true; }
502 GetCXXStdlibType(const llvm::opt::ArgList &Args) const override {
503 return ToolChain::CST_Libcxx;
505 void AddClangCXXStdlibIncludeArgs(
506 const llvm::opt::ArgList &DriverArgs,
507 llvm::opt::ArgStringList &CC1Args) const override;
508 void AddCXXStdlibLibArgs(const llvm::opt::ArgList &Args,
509 llvm::opt::ArgStringList &CmdArgs) const override;
511 bool isPIEDefault() const override { return false; }
514 Tool *buildLinker() const override;
517 class LLVM_LIBRARY_VISIBILITY Solaris : public Generic_GCC {
519 Solaris(const Driver &D, const llvm::Triple &Triple,
520 const llvm::opt::ArgList &Args);
522 bool IsIntegratedAssemblerDefault() const override { return true; }
525 Tool *buildAssembler() const override;
526 Tool *buildLinker() const override;
529 class LLVM_LIBRARY_VISIBILITY MinGW : public ToolChain {
531 MinGW(const Driver &D, const llvm::Triple &Triple,
532 const llvm::opt::ArgList &Args);
534 bool IsIntegratedAssemblerDefault() const override;
535 bool IsUnwindTablesDefault() const override;
536 bool isPICDefault() const override;
537 bool isPIEDefault() const override;
538 bool isPICDefaultForced() const override;
539 bool UseSEHExceptions() const;
542 AddClangSystemIncludeArgs(const llvm::opt::ArgList &DriverArgs,
543 llvm::opt::ArgStringList &CC1Args) const override;
544 void AddClangCXXStdlibIncludeArgs(
545 const llvm::opt::ArgList &DriverArgs,
546 llvm::opt::ArgStringList &CC1Args) const override;
549 Tool *getTool(Action::ActionClass AC) const override;
550 Tool *buildLinker() const override;
551 Tool *buildAssembler() const override;
555 std::string GccLibDir;
558 mutable std::unique_ptr<tools::gcc::Preprocessor> Preprocessor;
559 mutable std::unique_ptr<tools::gcc::Compiler> Compiler;
560 void findGccLibDir();
563 class LLVM_LIBRARY_VISIBILITY OpenBSD : public Generic_ELF {
565 OpenBSD(const Driver &D, const llvm::Triple &Triple,
566 const llvm::opt::ArgList &Args);
568 bool IsMathErrnoDefault() const override { return false; }
569 bool IsObjCNonFragileABIDefault() const override { return true; }
570 bool isPIEDefault() const override { return true; }
572 unsigned GetDefaultStackProtectorLevel(bool KernelOrKext) const override {
577 Tool *buildAssembler() const override;
578 Tool *buildLinker() const override;
581 class LLVM_LIBRARY_VISIBILITY Bitrig : public Generic_ELF {
583 Bitrig(const Driver &D, const llvm::Triple &Triple,
584 const llvm::opt::ArgList &Args);
586 bool IsMathErrnoDefault() const override { return false; }
587 bool IsObjCNonFragileABIDefault() const override { return true; }
589 CXXStdlibType GetCXXStdlibType(const llvm::opt::ArgList &Args) const override;
590 void AddClangCXXStdlibIncludeArgs(
591 const llvm::opt::ArgList &DriverArgs,
592 llvm::opt::ArgStringList &CC1Args) const override;
593 void AddCXXStdlibLibArgs(const llvm::opt::ArgList &Args,
594 llvm::opt::ArgStringList &CmdArgs) const override;
595 unsigned GetDefaultStackProtectorLevel(bool KernelOrKext) const override {
600 Tool *buildAssembler() const override;
601 Tool *buildLinker() const override;
604 class LLVM_LIBRARY_VISIBILITY FreeBSD : public Generic_ELF {
606 FreeBSD(const Driver &D, const llvm::Triple &Triple,
607 const llvm::opt::ArgList &Args);
608 bool HasNativeLLVMSupport() const override;
610 bool IsMathErrnoDefault() const override { return false; }
611 bool IsObjCNonFragileABIDefault() const override { return true; }
613 CXXStdlibType GetCXXStdlibType(const llvm::opt::ArgList &Args) const override;
614 void AddClangCXXStdlibIncludeArgs(
615 const llvm::opt::ArgList &DriverArgs,
616 llvm::opt::ArgStringList &CC1Args) const override;
618 bool UseSjLjExceptions() const override;
619 bool isPIEDefault() const override;
620 SanitizerMask getSupportedSanitizers() const override;
623 Tool *buildAssembler() const override;
624 Tool *buildLinker() const override;
627 class LLVM_LIBRARY_VISIBILITY NetBSD : public Generic_ELF {
629 NetBSD(const Driver &D, const llvm::Triple &Triple,
630 const llvm::opt::ArgList &Args);
632 bool IsMathErrnoDefault() const override { return false; }
633 bool IsObjCNonFragileABIDefault() const override { return true; }
635 CXXStdlibType GetCXXStdlibType(const llvm::opt::ArgList &Args) const override;
637 void AddClangCXXStdlibIncludeArgs(
638 const llvm::opt::ArgList &DriverArgs,
639 llvm::opt::ArgStringList &CC1Args) const override;
640 bool IsUnwindTablesDefault() const override { return true; }
643 Tool *buildAssembler() const override;
644 Tool *buildLinker() const override;
647 class LLVM_LIBRARY_VISIBILITY Minix : public Generic_ELF {
649 Minix(const Driver &D, const llvm::Triple &Triple,
650 const llvm::opt::ArgList &Args);
653 Tool *buildAssembler() const override;
654 Tool *buildLinker() const override;
657 class LLVM_LIBRARY_VISIBILITY DragonFly : public Generic_ELF {
659 DragonFly(const Driver &D, const llvm::Triple &Triple,
660 const llvm::opt::ArgList &Args);
662 bool IsMathErrnoDefault() const override { return false; }
665 Tool *buildAssembler() const override;
666 Tool *buildLinker() const override;
669 class LLVM_LIBRARY_VISIBILITY Linux : public Generic_ELF {
671 Linux(const Driver &D, const llvm::Triple &Triple,
672 const llvm::opt::ArgList &Args);
674 bool HasNativeLLVMSupport() const override;
677 AddClangSystemIncludeArgs(const llvm::opt::ArgList &DriverArgs,
678 llvm::opt::ArgStringList &CC1Args) const override;
679 void AddClangCXXStdlibIncludeArgs(
680 const llvm::opt::ArgList &DriverArgs,
681 llvm::opt::ArgStringList &CC1Args) const override;
682 bool isPIEDefault() const override;
683 SanitizerMask getSupportedSanitizers() const override;
686 std::vector<std::string> ExtraOpts;
689 Tool *buildAssembler() const override;
690 Tool *buildLinker() const override;
693 static bool addLibStdCXXIncludePaths(Twine Base, Twine Suffix,
695 StringRef GCCMultiarchTriple,
696 StringRef TargetMultiarchTriple,
698 const llvm::opt::ArgList &DriverArgs,
699 llvm::opt::ArgStringList &CC1Args);
701 std::string computeSysRoot() const;
704 class LLVM_LIBRARY_VISIBILITY CudaToolChain : public Linux {
706 CudaToolChain(const Driver &D, const llvm::Triple &Triple,
707 const llvm::opt::ArgList &Args);
709 llvm::opt::DerivedArgList *
710 TranslateArgs(const llvm::opt::DerivedArgList &Args,
711 const char *BoundArch) const override;
712 void addClangTargetOptions(const llvm::opt::ArgList &DriverArgs,
713 llvm::opt::ArgStringList &CC1Args) const override;
716 class LLVM_LIBRARY_VISIBILITY Hexagon_TC : public Linux {
718 GCCVersion GCCLibAndIncVersion;
719 Tool *buildAssembler() const override;
720 Tool *buildLinker() const override;
723 Hexagon_TC(const Driver &D, const llvm::Triple &Triple,
724 const llvm::opt::ArgList &Args);
725 ~Hexagon_TC() override;
728 AddClangSystemIncludeArgs(const llvm::opt::ArgList &DriverArgs,
729 llvm::opt::ArgStringList &CC1Args) const override;
730 void AddClangCXXStdlibIncludeArgs(
731 const llvm::opt::ArgList &DriverArgs,
732 llvm::opt::ArgStringList &CC1Args) const override;
733 CXXStdlibType GetCXXStdlibType(const llvm::opt::ArgList &Args) const override;
735 StringRef GetGCCLibAndIncVersion() const { return GCCLibAndIncVersion.Text; }
737 static std::string GetGnuDir(const std::string &InstalledDir,
738 const llvm::opt::ArgList &Args);
740 static StringRef GetTargetCPU(const llvm::opt::ArgList &Args);
742 static const char *GetSmallDataThreshold(const llvm::opt::ArgList &Args);
744 static bool UsesG0(const char *smallDataThreshold);
747 class LLVM_LIBRARY_VISIBILITY NaCl_TC : public Generic_ELF {
749 NaCl_TC(const Driver &D, const llvm::Triple &Triple,
750 const llvm::opt::ArgList &Args);
753 AddClangSystemIncludeArgs(const llvm::opt::ArgList &DriverArgs,
754 llvm::opt::ArgStringList &CC1Args) const override;
755 void AddClangCXXStdlibIncludeArgs(
756 const llvm::opt::ArgList &DriverArgs,
757 llvm::opt::ArgStringList &CC1Args) const override;
759 CXXStdlibType GetCXXStdlibType(const llvm::opt::ArgList &Args) const override;
761 void AddCXXStdlibLibArgs(const llvm::opt::ArgList &Args,
762 llvm::opt::ArgStringList &CmdArgs) const override;
764 bool IsIntegratedAssemblerDefault() const override {
765 return getTriple().getArch() == llvm::Triple::mipsel;
768 // Get the path to the file containing NaCl's ARM macros. It lives in NaCl_TC
769 // because the AssembleARM tool needs a const char * that it can pass around
770 // and the toolchain outlives all the jobs.
771 const char *GetNaClArmMacrosPath() const { return NaClArmMacrosPath.c_str(); }
773 std::string ComputeEffectiveClangTriple(const llvm::opt::ArgList &Args,
774 types::ID InputType) const override;
778 Tool *buildLinker() const override;
779 Tool *buildAssembler() const override;
782 std::string NaClArmMacrosPath;
785 /// TCEToolChain - A tool chain using the llvm bitcode tools to perform
786 /// all subcommands. See http://tce.cs.tut.fi for our peculiar target.
787 class LLVM_LIBRARY_VISIBILITY TCEToolChain : public ToolChain {
789 TCEToolChain(const Driver &D, const llvm::Triple &Triple,
790 const llvm::opt::ArgList &Args);
791 ~TCEToolChain() override;
793 bool IsMathErrnoDefault() const override;
794 bool isPICDefault() const override;
795 bool isPIEDefault() const override;
796 bool isPICDefaultForced() const override;
799 class LLVM_LIBRARY_VISIBILITY MSVCToolChain : public ToolChain {
801 MSVCToolChain(const Driver &D, const llvm::Triple &Triple,
802 const llvm::opt::ArgList &Args);
804 bool IsIntegratedAssemblerDefault() const override;
805 bool IsUnwindTablesDefault() const override;
806 bool isPICDefault() const override;
807 bool isPIEDefault() const override;
808 bool isPICDefaultForced() const override;
811 AddClangSystemIncludeArgs(const llvm::opt::ArgList &DriverArgs,
812 llvm::opt::ArgStringList &CC1Args) const override;
813 void AddClangCXXStdlibIncludeArgs(
814 const llvm::opt::ArgList &DriverArgs,
815 llvm::opt::ArgStringList &CC1Args) const override;
817 bool getWindowsSDKDir(std::string &path, int &major, int &minor) const;
818 bool getWindowsSDKLibraryPath(std::string &path) const;
819 bool getVisualStudioInstallDir(std::string &path) const;
820 bool getVisualStudioBinariesFolder(const char *clangProgramPath,
821 std::string &path) const;
823 std::string ComputeEffectiveClangTriple(const llvm::opt::ArgList &Args,
824 types::ID InputType) const override;
825 SanitizerMask getSupportedSanitizers() const override;
828 void AddSystemIncludeWithSubfolder(const llvm::opt::ArgList &DriverArgs,
829 llvm::opt::ArgStringList &CC1Args,
830 const std::string &folder,
831 const char *subfolder) const;
833 Tool *buildLinker() const override;
834 Tool *buildAssembler() const override;
837 class LLVM_LIBRARY_VISIBILITY CrossWindowsToolChain : public Generic_GCC {
839 CrossWindowsToolChain(const Driver &D, const llvm::Triple &T,
840 const llvm::opt::ArgList &Args);
842 bool IsIntegratedAssemblerDefault() const override { return true; }
843 bool IsUnwindTablesDefault() const override;
844 bool isPICDefault() const override;
845 bool isPIEDefault() const override;
846 bool isPICDefaultForced() const override;
848 unsigned int GetDefaultStackProtectorLevel(bool KernelOrKext) const override {
853 AddClangSystemIncludeArgs(const llvm::opt::ArgList &DriverArgs,
854 llvm::opt::ArgStringList &CC1Args) const override;
855 void AddClangCXXStdlibIncludeArgs(
856 const llvm::opt::ArgList &DriverArgs,
857 llvm::opt::ArgStringList &CC1Args) const override;
858 void AddCXXStdlibLibArgs(const llvm::opt::ArgList &Args,
859 llvm::opt::ArgStringList &CmdArgs) const override;
862 Tool *buildLinker() const override;
863 Tool *buildAssembler() const override;
866 class LLVM_LIBRARY_VISIBILITY XCore : public ToolChain {
868 XCore(const Driver &D, const llvm::Triple &Triple,
869 const llvm::opt::ArgList &Args);
872 Tool *buildAssembler() const override;
873 Tool *buildLinker() const override;
876 bool isPICDefault() const override;
877 bool isPIEDefault() const override;
878 bool isPICDefaultForced() const override;
879 bool SupportsProfiling() const override;
880 bool hasBlocksRuntime() const override;
882 AddClangSystemIncludeArgs(const llvm::opt::ArgList &DriverArgs,
883 llvm::opt::ArgStringList &CC1Args) const override;
884 void addClangTargetOptions(const llvm::opt::ArgList &DriverArgs,
885 llvm::opt::ArgStringList &CC1Args) const override;
886 void AddClangCXXStdlibIncludeArgs(
887 const llvm::opt::ArgList &DriverArgs,
888 llvm::opt::ArgStringList &CC1Args) const override;
889 void AddCXXStdlibLibArgs(const llvm::opt::ArgList &Args,
890 llvm::opt::ArgStringList &CmdArgs) const override;
893 /// SHAVEToolChain - A tool chain using the compiler installed by the the
894 // Movidius SDK into MV_TOOLS_DIR (which we assume will be copied to llvm's
895 // installation dir) to perform all subcommands.
896 class LLVM_LIBRARY_VISIBILITY SHAVEToolChain : public Generic_GCC {
898 SHAVEToolChain(const Driver &D, const llvm::Triple &Triple,
899 const llvm::opt::ArgList &Args);
900 ~SHAVEToolChain() override;
902 virtual Tool *SelectTool(const JobAction &JA) const override;
905 Tool *getTool(Action::ActionClass AC) const override;
906 Tool *buildAssembler() const override;
907 Tool *buildLinker() const override;
910 mutable std::unique_ptr<Tool> Compiler;
911 mutable std::unique_ptr<Tool> Assembler;
914 } // end namespace toolchains
915 } // end namespace driver
916 } // end namespace clang