clang  8.0.0svn
ToolChain.h
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1 //===- ToolChain.h - Collections of tools for one platform ------*- C++ -*-===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 #ifndef LLVM_CLANG_DRIVER_TOOLCHAIN_H
11 #define LLVM_CLANG_DRIVER_TOOLCHAIN_H
12 
13 #include "clang/Basic/LLVM.h"
14 #include "clang/Basic/Sanitizers.h"
16 #include "clang/Driver/Action.h"
17 #include "clang/Driver/Multilib.h"
18 #include "clang/Driver/Types.h"
19 #include "llvm/ADT/ArrayRef.h"
20 #include "llvm/ADT/SmallVector.h"
21 #include "llvm/ADT/StringRef.h"
22 #include "llvm/ADT/Triple.h"
23 #include "llvm/MC/MCTargetOptions.h"
24 #include "llvm/Option/Option.h"
25 #include "llvm/Support/VersionTuple.h"
26 #include "llvm/Target/TargetOptions.h"
27 #include <cassert>
28 #include <memory>
29 #include <string>
30 #include <utility>
31 
32 namespace llvm {
33 namespace opt {
34 
35 class Arg;
36 class ArgList;
37 class DerivedArgList;
38 
39 } // namespace opt
40 namespace vfs {
41 
42 class FileSystem;
43 
44 } // namespace vfs
45 } // namespace llvm
46 
47 namespace clang {
48 
49 class ObjCRuntime;
50 
51 namespace driver {
52 
53 class Driver;
54 class InputInfo;
55 class SanitizerArgs;
56 class Tool;
57 class XRayArgs;
58 
59 /// Helper structure used to pass information extracted from clang executable
60 /// name such as `i686-linux-android-g++`.
62  /// Target part of the executable name, as `i686-linux-android`.
63  std::string TargetPrefix;
64 
65  /// Driver mode part of the executable name, as `g++`.
66  std::string ModeSuffix;
67 
68  /// Corresponding driver mode argument, as '--driver-mode=g++'
69  const char *DriverMode = nullptr;
70 
71  /// True if TargetPrefix is recognized as a registered target name.
72  bool TargetIsValid = false;
73 
74  ParsedClangName() = default;
75  ParsedClangName(std::string Suffix, const char *Mode)
76  : ModeSuffix(Suffix), DriverMode(Mode) {}
77  ParsedClangName(std::string Target, std::string Suffix, const char *Mode,
78  bool IsRegistered)
79  : TargetPrefix(Target), ModeSuffix(Suffix), DriverMode(Mode),
80  TargetIsValid(IsRegistered) {}
81 
82  bool isEmpty() const {
83  return TargetPrefix.empty() && ModeSuffix.empty() && DriverMode == nullptr;
84  }
85 };
86 
87 /// ToolChain - Access to tools for a single platform.
88 class ToolChain {
89 public:
91 
94  CST_Libstdcxx
95  };
96 
99  RLT_Libgcc
100  };
101 
102  enum RTTIMode {
105  };
106 
107 private:
109 
110  const Driver &D;
111  llvm::Triple Triple;
112  const llvm::opt::ArgList &Args;
113 
114  // We need to initialize CachedRTTIArg before CachedRTTIMode
115  const llvm::opt::Arg *const CachedRTTIArg;
116 
117  const RTTIMode CachedRTTIMode;
118 
119  /// The list of toolchain specific path prefixes to search for libraries.
120  path_list LibraryPaths;
121 
122  /// The list of toolchain specific path prefixes to search for files.
123  path_list FilePaths;
124 
125  /// The list of toolchain specific path prefixes to search for programs.
126  path_list ProgramPaths;
127 
128  mutable std::unique_ptr<Tool> Clang;
129  mutable std::unique_ptr<Tool> Assemble;
130  mutable std::unique_ptr<Tool> Link;
131  mutable std::unique_ptr<Tool> OffloadBundler;
132 
133  Tool *getClang() const;
134  Tool *getAssemble() const;
135  Tool *getLink() const;
136  Tool *getClangAs() const;
137  Tool *getOffloadBundler() const;
138 
139  mutable std::unique_ptr<SanitizerArgs> SanitizerArguments;
140  mutable std::unique_ptr<XRayArgs> XRayArguments;
141 
142  /// The effective clang triple for the current Job.
143  mutable llvm::Triple EffectiveTriple;
144 
145  /// Set the toolchain's effective clang triple.
146  void setEffectiveTriple(llvm::Triple ET) const {
147  EffectiveTriple = std::move(ET);
148  }
149 
150 protected:
153 
154  ToolChain(const Driver &D, const llvm::Triple &T,
155  const llvm::opt::ArgList &Args);
156 
157  void setTripleEnvironment(llvm::Triple::EnvironmentType Env);
158 
159  virtual Tool *buildAssembler() const;
160  virtual Tool *buildLinker() const;
161  virtual Tool *getTool(Action::ActionClass AC) const;
162 
163  /// \name Utilities for implementing subclasses.
164  ///@{
165  static void addSystemInclude(const llvm::opt::ArgList &DriverArgs,
166  llvm::opt::ArgStringList &CC1Args,
167  const Twine &Path);
168  static void addExternCSystemInclude(const llvm::opt::ArgList &DriverArgs,
169  llvm::opt::ArgStringList &CC1Args,
170  const Twine &Path);
171  static void
172  addExternCSystemIncludeIfExists(const llvm::opt::ArgList &DriverArgs,
173  llvm::opt::ArgStringList &CC1Args,
174  const Twine &Path);
175  static void addSystemIncludes(const llvm::opt::ArgList &DriverArgs,
176  llvm::opt::ArgStringList &CC1Args,
177  ArrayRef<StringRef> Paths);
178  ///@}
179 
180 public:
181  virtual ~ToolChain();
182 
183  // Accessors
184 
185  const Driver &getDriver() const { return D; }
186  llvm::vfs::FileSystem &getVFS() const;
187  const llvm::Triple &getTriple() const { return Triple; }
188 
189  /// Get the toolchain's aux triple, if it has one.
190  ///
191  /// Exactly what the aux triple represents depends on the toolchain, but for
192  /// example when compiling CUDA code for the GPU, the triple might be NVPTX,
193  /// while the aux triple is the host (CPU) toolchain, e.g. x86-linux-gnu.
194  virtual const llvm::Triple *getAuxTriple() const { return nullptr; }
195 
196  /// Some toolchains need to modify the file name, for example to replace the
197  /// extension for object files with .cubin for OpenMP offloading to Nvidia
198  /// GPUs.
199  virtual std::string getInputFilename(const InputInfo &Input) const;
200 
201  llvm::Triple::ArchType getArch() const { return Triple.getArch(); }
202  StringRef getArchName() const { return Triple.getArchName(); }
203  StringRef getPlatform() const { return Triple.getVendorName(); }
204  StringRef getOS() const { return Triple.getOSName(); }
205 
206  /// Provide the default architecture name (as expected by -arch) for
207  /// this toolchain.
208  StringRef getDefaultUniversalArchName() const;
209 
210  std::string getTripleString() const {
211  return Triple.getTriple();
212  }
213 
214  /// Get the toolchain's effective clang triple.
215  const llvm::Triple &getEffectiveTriple() const {
216  assert(!EffectiveTriple.getTriple().empty() && "No effective triple");
217  return EffectiveTriple;
218  }
219 
220  path_list &getLibraryPaths() { return LibraryPaths; }
221  const path_list &getLibraryPaths() const { return LibraryPaths; }
222 
223  path_list &getFilePaths() { return FilePaths; }
224  const path_list &getFilePaths() const { return FilePaths; }
225 
226  path_list &getProgramPaths() { return ProgramPaths; }
227  const path_list &getProgramPaths() const { return ProgramPaths; }
228 
229  const MultilibSet &getMultilibs() const { return Multilibs; }
230 
231  const Multilib &getMultilib() const { return SelectedMultilib; }
232 
233  const SanitizerArgs& getSanitizerArgs() const;
234 
235  const XRayArgs& getXRayArgs() const;
236 
237  // Returns the Arg * that explicitly turned on/off rtti, or nullptr.
238  const llvm::opt::Arg *getRTTIArg() const { return CachedRTTIArg; }
239 
240  // Returns the RTTIMode for the toolchain with the current arguments.
241  RTTIMode getRTTIMode() const { return CachedRTTIMode; }
242 
243  /// Return any implicit target and/or mode flag for an invocation of
244  /// the compiler driver as `ProgName`.
245  ///
246  /// For example, when called with i686-linux-android-g++, the first element
247  /// of the return value will be set to `"i686-linux-android"` and the second
248  /// will be set to "--driver-mode=g++"`.
249  /// It is OK if the target name is not registered. In this case the return
250  /// value contains false in the field TargetIsValid.
251  ///
252  /// \pre `llvm::InitializeAllTargets()` has been called.
253  /// \param ProgName The name the Clang driver was invoked with (from,
254  /// e.g., argv[0]).
255  /// \return A structure of type ParsedClangName that contains the executable
256  /// name parts.
257  static ParsedClangName getTargetAndModeFromProgramName(StringRef ProgName);
258 
259  // Tool access.
260 
261  /// TranslateArgs - Create a new derived argument list for any argument
262  /// translations this ToolChain may wish to perform, or 0 if no tool chain
263  /// specific translations are needed. If \p DeviceOffloadKind is specified
264  /// the translation specific for that offload kind is performed.
265  ///
266  /// \param BoundArch - The bound architecture name, or 0.
267  /// \param DeviceOffloadKind - The device offload kind used for the
268  /// translation.
269  virtual llvm::opt::DerivedArgList *
270  TranslateArgs(const llvm::opt::DerivedArgList &Args, StringRef BoundArch,
271  Action::OffloadKind DeviceOffloadKind) const {
272  return nullptr;
273  }
274 
275  /// TranslateOpenMPTargetArgs - Create a new derived argument list for
276  /// that contains the OpenMP target specific flags passed via
277  /// -Xopenmp-target -opt=val OR -Xopenmp-target=<triple> -opt=val
278  virtual llvm::opt::DerivedArgList *TranslateOpenMPTargetArgs(
279  const llvm::opt::DerivedArgList &Args, bool SameTripleAsHost,
280  SmallVectorImpl<llvm::opt::Arg *> &AllocatedArgs) const;
281 
282  /// Choose a tool to use to handle the action \p JA.
283  ///
284  /// This can be overridden when a particular ToolChain needs to use
285  /// a compiler other than Clang.
286  virtual Tool *SelectTool(const JobAction &JA) const;
287 
288  // Helper methods
289 
290  std::string GetFilePath(const char *Name) const;
291  std::string GetProgramPath(const char *Name) const;
292 
293  /// Returns the linker path, respecting the -fuse-ld= argument to determine
294  /// the linker suffix or name.
295  std::string GetLinkerPath() const;
296 
297  /// Dispatch to the specific toolchain for verbose printing.
298  ///
299  /// This is used when handling the verbose option to print detailed,
300  /// toolchain-specific information useful for understanding the behavior of
301  /// the driver on a specific platform.
302  virtual void printVerboseInfo(raw_ostream &OS) const {}
303 
304  // Platform defaults information
305 
306  /// Returns true if the toolchain is targeting a non-native
307  /// architecture.
308  virtual bool isCrossCompiling() const;
309 
310  /// HasNativeLTOLinker - Check whether the linker and related tools have
311  /// native LLVM support.
312  virtual bool HasNativeLLVMSupport() const;
313 
314  /// LookupTypeForExtension - Return the default language type to use for the
315  /// given extension.
316  virtual types::ID LookupTypeForExtension(StringRef Ext) const;
317 
318  /// IsBlocksDefault - Does this tool chain enable -fblocks by default.
319  virtual bool IsBlocksDefault() const { return false; }
320 
321  /// IsIntegratedAssemblerDefault - Does this tool chain enable -integrated-as
322  /// by default.
323  virtual bool IsIntegratedAssemblerDefault() const { return false; }
324 
325  /// Check if the toolchain should use the integrated assembler.
326  virtual bool useIntegratedAs() const;
327 
328  /// IsMathErrnoDefault - Does this tool chain use -fmath-errno by default.
329  virtual bool IsMathErrnoDefault() const { return true; }
330 
331  /// IsEncodeExtendedBlockSignatureDefault - Does this tool chain enable
332  /// -fencode-extended-block-signature by default.
333  virtual bool IsEncodeExtendedBlockSignatureDefault() const { return false; }
334 
335  /// IsObjCNonFragileABIDefault - Does this tool chain set
336  /// -fobjc-nonfragile-abi by default.
337  virtual bool IsObjCNonFragileABIDefault() const { return false; }
338 
339  /// UseObjCMixedDispatchDefault - When using non-legacy dispatch, should the
340  /// mixed dispatch method be used?
341  virtual bool UseObjCMixedDispatch() const { return false; }
342 
343  /// Check whether to enable x86 relax relocations by default.
344  virtual bool useRelaxRelocations() const;
345 
346  /// GetDefaultStackProtectorLevel - Get the default stack protector level for
347  /// this tool chain (0=off, 1=on, 2=strong, 3=all).
348  virtual unsigned GetDefaultStackProtectorLevel(bool KernelOrKext) const {
349  return 0;
350  }
351 
352  /// GetDefaultLinker - Get the default linker to use.
353  virtual const char *getDefaultLinker() const { return "ld"; }
354 
355  /// GetDefaultRuntimeLibType - Get the default runtime library variant to use.
357  return ToolChain::RLT_Libgcc;
358  }
359 
361  return ToolChain::CST_Libstdcxx;
362  }
363 
364  virtual std::string getCompilerRTPath() const;
365 
366  virtual std::string getCompilerRT(const llvm::opt::ArgList &Args,
367  StringRef Component,
368  bool Shared = false) const;
369 
370  const char *getCompilerRTArgString(const llvm::opt::ArgList &Args,
371  StringRef Component,
372  bool Shared = false) const;
373 
374  // Returns <ResourceDir>/lib/<OSName>/<arch>. This is used by runtimes (such
375  // as OpenMP) to find arch-specific libraries.
376  std::string getArchSpecificLibPath() const;
377 
378  // Returns <OSname> part of above.
379  StringRef getOSLibName() const;
380 
381  /// needsProfileRT - returns true if instrumentation profile is on.
382  static bool needsProfileRT(const llvm::opt::ArgList &Args);
383 
384  /// Returns true if gcov instrumentation (-fprofile-arcs or --coverage) is on.
385  static bool needsGCovInstrumentation(const llvm::opt::ArgList &Args);
386 
387  /// IsUnwindTablesDefault - Does this tool chain use -funwind-tables
388  /// by default.
389  virtual bool IsUnwindTablesDefault(const llvm::opt::ArgList &Args) const;
390 
391  /// Test whether this toolchain defaults to PIC.
392  virtual bool isPICDefault() const = 0;
393 
394  /// Test whether this toolchain defaults to PIE.
395  virtual bool isPIEDefault() const = 0;
396 
397  /// Tests whether this toolchain forces its default for PIC, PIE or
398  /// non-PIC. If this returns true, any PIC related flags should be ignored
399  /// and instead the results of \c isPICDefault() and \c isPIEDefault() are
400  /// used exclusively.
401  virtual bool isPICDefaultForced() const = 0;
402 
403  /// SupportsProfiling - Does this tool chain support -pg.
404  virtual bool SupportsProfiling() const { return true; }
405 
406  /// Complain if this tool chain doesn't support Objective-C ARC.
407  virtual void CheckObjCARC() const {}
408 
409  /// Get the default debug info format. Typically, this is DWARF.
412  }
413 
414  /// UseDwarfDebugFlags - Embed the compile options to clang into the Dwarf
415  /// compile unit information.
416  virtual bool UseDwarfDebugFlags() const { return false; }
417 
418  // Return the DWARF version to emit, in the absence of arguments
419  // to the contrary.
420  virtual unsigned GetDefaultDwarfVersion() const { return 4; }
421 
422  // True if the driver should assume "-fstandalone-debug"
423  // in the absence of an option specifying otherwise,
424  // provided that debugging was requested in the first place.
425  // i.e. a value of 'true' does not imply that debugging is wanted.
426  virtual bool GetDefaultStandaloneDebug() const { return false; }
427 
428  // Return the default debugger "tuning."
429  virtual llvm::DebuggerKind getDefaultDebuggerTuning() const {
430  return llvm::DebuggerKind::GDB;
431  }
432 
433  /// Does this toolchain supports given debug info option or not.
434  virtual bool supportsDebugInfoOption(const llvm::opt::Arg *) const {
435  return true;
436  }
437 
438  /// GetExceptionModel - Return the tool chain exception model.
439  virtual llvm::ExceptionHandling
440  GetExceptionModel(const llvm::opt::ArgList &Args) const;
441 
442  /// SupportsEmbeddedBitcode - Does this tool chain support embedded bitcode.
443  virtual bool SupportsEmbeddedBitcode() const { return false; }
444 
445  /// getThreadModel() - Which thread model does this target use?
446  virtual std::string getThreadModel() const { return "posix"; }
447 
448  /// isThreadModelSupported() - Does this target support a thread model?
449  virtual bool isThreadModelSupported(const StringRef Model) const;
450 
451  /// ComputeLLVMTriple - Return the LLVM target triple to use, after taking
452  /// command line arguments into account.
453  virtual std::string
454  ComputeLLVMTriple(const llvm::opt::ArgList &Args,
455  types::ID InputType = types::TY_INVALID) const;
456 
457  /// ComputeEffectiveClangTriple - Return the Clang triple to use for this
458  /// target, which may take into account the command line arguments. For
459  /// example, on Darwin the -mmacosx-version-min= command line argument (which
460  /// sets the deployment target) determines the version in the triple passed to
461  /// Clang.
462  virtual std::string ComputeEffectiveClangTriple(
463  const llvm::opt::ArgList &Args,
464  types::ID InputType = types::TY_INVALID) const;
465 
466  /// getDefaultObjCRuntime - Return the default Objective-C runtime
467  /// for this platform.
468  ///
469  /// FIXME: this really belongs on some sort of DeploymentTarget abstraction
470  virtual ObjCRuntime getDefaultObjCRuntime(bool isNonFragile) const;
471 
472  /// hasBlocksRuntime - Given that the user is compiling with
473  /// -fblocks, does this tool chain guarantee the existence of a
474  /// blocks runtime?
475  ///
476  /// FIXME: this really belongs on some sort of DeploymentTarget abstraction
477  virtual bool hasBlocksRuntime() const { return true; }
478 
479  /// Add the clang cc1 arguments for system include paths.
480  ///
481  /// This routine is responsible for adding the necessary cc1 arguments to
482  /// include headers from standard system header directories.
483  virtual void
484  AddClangSystemIncludeArgs(const llvm::opt::ArgList &DriverArgs,
485  llvm::opt::ArgStringList &CC1Args) const;
486 
487  /// Add options that need to be passed to cc1 for this target.
488  virtual void addClangTargetOptions(const llvm::opt::ArgList &DriverArgs,
489  llvm::opt::ArgStringList &CC1Args,
490  Action::OffloadKind DeviceOffloadKind) const;
491 
492  /// Add warning options that need to be passed to cc1 for this target.
493  virtual void addClangWarningOptions(llvm::opt::ArgStringList &CC1Args) const;
494 
495  // GetRuntimeLibType - Determine the runtime library type to use with the
496  // given compilation arguments.
497  virtual RuntimeLibType
498  GetRuntimeLibType(const llvm::opt::ArgList &Args) const;
499 
500  // GetCXXStdlibType - Determine the C++ standard library type to use with the
501  // given compilation arguments.
502  virtual CXXStdlibType GetCXXStdlibType(const llvm::opt::ArgList &Args) const;
503 
504  /// AddClangCXXStdlibIncludeArgs - Add the clang -cc1 level arguments to set
505  /// the include paths to use for the given C++ standard library type.
506  virtual void
507  AddClangCXXStdlibIncludeArgs(const llvm::opt::ArgList &DriverArgs,
508  llvm::opt::ArgStringList &CC1Args) const;
509 
510  /// Returns if the C++ standard library should be linked in.
511  /// Note that e.g. -lm should still be linked even if this returns false.
512  bool ShouldLinkCXXStdlib(const llvm::opt::ArgList &Args) const;
513 
514  /// AddCXXStdlibLibArgs - Add the system specific linker arguments to use
515  /// for the given C++ standard library type.
516  virtual void AddCXXStdlibLibArgs(const llvm::opt::ArgList &Args,
517  llvm::opt::ArgStringList &CmdArgs) const;
518 
519  /// AddFilePathLibArgs - Add each thing in getFilePaths() as a "-L" option.
520  void AddFilePathLibArgs(const llvm::opt::ArgList &Args,
521  llvm::opt::ArgStringList &CmdArgs) const;
522 
523  /// AddCCKextLibArgs - Add the system specific linker arguments to use
524  /// for kernel extensions (Darwin-specific).
525  virtual void AddCCKextLibArgs(const llvm::opt::ArgList &Args,
526  llvm::opt::ArgStringList &CmdArgs) const;
527 
528  /// AddFastMathRuntimeIfAvailable - If a runtime library exists that sets
529  /// global flags for unsafe floating point math, add it and return true.
530  ///
531  /// This checks for presence of the -Ofast, -ffast-math or -funsafe-math flags.
532  virtual bool AddFastMathRuntimeIfAvailable(
533  const llvm::opt::ArgList &Args, llvm::opt::ArgStringList &CmdArgs) const;
534 
535  /// addProfileRTLibs - When -fprofile-instr-profile is specified, try to pass
536  /// a suitable profile runtime library to the linker.
537  virtual void addProfileRTLibs(const llvm::opt::ArgList &Args,
538  llvm::opt::ArgStringList &CmdArgs) const;
539 
540  /// Add arguments to use system-specific CUDA includes.
541  virtual void AddCudaIncludeArgs(const llvm::opt::ArgList &DriverArgs,
542  llvm::opt::ArgStringList &CC1Args) const;
543 
544  /// Add arguments to use MCU GCC toolchain includes.
545  virtual void AddIAMCUIncludeArgs(const llvm::opt::ArgList &DriverArgs,
546  llvm::opt::ArgStringList &CC1Args) const;
547 
548  /// On Windows, returns the MSVC compatibility version.
549  virtual VersionTuple computeMSVCVersion(const Driver *D,
550  const llvm::opt::ArgList &Args) const;
551 
552  /// Return sanitizers which are available in this toolchain.
553  virtual SanitizerMask getSupportedSanitizers() const;
554 
555  /// Return sanitizers which are enabled by default.
556  virtual SanitizerMask getDefaultSanitizers() const { return 0; }
557 };
558 
559 /// Set a ToolChain's effective triple. Reset it when the registration object
560 /// is destroyed.
562  const ToolChain &TC;
563 
564 public:
565  RegisterEffectiveTriple(const ToolChain &TC, llvm::Triple T) : TC(TC) {
566  TC.setEffectiveTriple(std::move(T));
567  }
568 
569  ~RegisterEffectiveTriple() { TC.setEffectiveTriple(llvm::Triple()); }
570 };
571 
572 } // namespace driver
573 
574 } // namespace clang
575 
576 #endif // LLVM_CLANG_DRIVER_TOOLCHAIN_H
SmallVector< std::string, 16 > path_list
Definition: ToolChain.h:90
std::string ModeSuffix
Driver mode part of the executable name, as g++.
Definition: ToolChain.h:66
virtual const char * getDefaultLinker() const
GetDefaultLinker - Get the default linker to use.
Definition: ToolChain.h:353
DominatorTree GraphTraits specialization so the DominatorTree can be iterable by generic graph iterat...
Definition: Dominators.h:30
const MultilibSet & getMultilibs() const
Definition: ToolChain.h:229
StringRef getArchName() const
Definition: ToolChain.h:202
Set a ToolChain&#39;s effective triple.
Definition: ToolChain.h:561
virtual bool SupportsProfiling() const
SupportsProfiling - Does this tool chain support -pg.
Definition: ToolChain.h:404
virtual bool UseDwarfDebugFlags() const
UseDwarfDebugFlags - Embed the compile options to clang into the Dwarf compile unit information...
Definition: ToolChain.h:416
virtual std::string getThreadModel() const
getThreadModel() - Which thread model does this target use?
Definition: ToolChain.h:446
StringRef getOS() const
Definition: ToolChain.h:204
virtual void printVerboseInfo(raw_ostream &OS) const
Dispatch to the specific toolchain for verbose printing.
Definition: ToolChain.h:302
RegisterEffectiveTriple(const ToolChain &TC, llvm::Triple T)
Definition: ToolChain.h:565
Defines the clang::SanitizerKind enum.
virtual bool hasBlocksRuntime() const
hasBlocksRuntime - Given that the user is compiling with -fblocks, does this tool chain guarantee the...
Definition: ToolChain.h:477
const Multilib & getMultilib() const
Definition: ToolChain.h:231
std::string TargetPrefix
Target part of the executable name, as i686-linux-android.
Definition: ToolChain.h:63
path_list & getProgramPaths()
Definition: ToolChain.h:226
virtual unsigned GetDefaultStackProtectorLevel(bool KernelOrKext) const
GetDefaultStackProtectorLevel - Get the default stack protector level for this tool chain (0=off...
Definition: ToolChain.h:348
std::string getTripleString() const
Definition: ToolChain.h:210
virtual const llvm::Triple * getAuxTriple() const
Get the toolchain&#39;s aux triple, if it has one.
Definition: ToolChain.h:194
Forward-declares and imports various common LLVM datatypes that clang wants to use unqualified...
InputInfo - Wrapper for information about an input source.
Definition: InputInfo.h:23
path_list & getFilePaths()
Definition: ToolChain.h:223
Driver - Encapsulate logic for constructing compilation processes from a set of gcc-driver-like comma...
Definition: Driver.h:58
const llvm::opt::Arg * getRTTIArg() const
Definition: ToolChain.h:238
const path_list & getFilePaths() const
Definition: ToolChain.h:224
const path_list & getProgramPaths() const
Definition: ToolChain.h:227
StringRef getPlatform() const
Definition: ToolChain.h:203
virtual bool IsIntegratedAssemblerDefault() const
IsIntegratedAssemblerDefault - Does this tool chain enable -integrated-as by default.
Definition: ToolChain.h:323
virtual bool SupportsEmbeddedBitcode() const
SupportsEmbeddedBitcode - Does this tool chain support embedded bitcode.
Definition: ToolChain.h:443
const llvm::Triple & getEffectiveTriple() const
Get the toolchain&#39;s effective clang triple.
Definition: ToolChain.h:215
virtual bool IsObjCNonFragileABIDefault() const
IsObjCNonFragileABIDefault - Does this tool chain set -fobjc-nonfragile-abi by default.
Definition: ToolChain.h:337
This corresponds to a single GCC Multilib, or a segment of one controlled by a command line flag...
Definition: Multilib.h:29
ParsedClangName(std::string Suffix, const char *Mode)
Definition: ToolChain.h:75
virtual bool supportsDebugInfoOption(const llvm::opt::Arg *) const
Does this toolchain supports given debug info option or not.
Definition: ToolChain.h:434
virtual CXXStdlibType GetDefaultCXXStdlibType() const
Definition: ToolChain.h:360
virtual bool IsMathErrnoDefault() const
IsMathErrnoDefault - Does this tool chain use -fmath-errno by default.
Definition: ToolChain.h:329
path_list & getLibraryPaths()
Definition: ToolChain.h:220
llvm::Triple::ArchType getArch() const
Definition: ToolChain.h:201
virtual bool UseObjCMixedDispatch() const
UseObjCMixedDispatchDefault - When using non-legacy dispatch, should the mixed dispatch method be use...
Definition: ToolChain.h:341
virtual bool IsEncodeExtendedBlockSignatureDefault() const
IsEncodeExtendedBlockSignatureDefault - Does this tool chain enable -fencode-extended-block-signature...
Definition: ToolChain.h:333
const Driver & getDriver() const
Definition: ToolChain.h:185
Helper structure used to pass information extracted from clang executable name such as i686-linux-and...
Definition: ToolChain.h:61
virtual SanitizerMask getDefaultSanitizers() const
Return sanitizers which are enabled by default.
Definition: ToolChain.h:556
Dataflow Directional Tag Classes.
virtual void CheckObjCARC() const
Complain if this tool chain doesn&#39;t support Objective-C ARC.
Definition: ToolChain.h:407
The basic abstraction for the target Objective-C runtime.
Definition: ObjCRuntime.h:28
virtual llvm::DebuggerKind getDefaultDebuggerTuning() const
Definition: ToolChain.h:429
Tool - Information on a specific compilation tool.
Definition: Tool.h:34
virtual unsigned GetDefaultDwarfVersion() const
Definition: ToolChain.h:420
uint64_t SanitizerMask
Definition: Sanitizers.h:26
RTTIMode getRTTIMode() const
Definition: ToolChain.h:241
virtual codegenoptions::DebugInfoFormat getDefaultDebugFormat() const
Get the default debug info format. Typically, this is DWARF.
Definition: ToolChain.h:410
const llvm::Triple & getTriple() const
Definition: ToolChain.h:187
virtual bool GetDefaultStandaloneDebug() const
Definition: ToolChain.h:426
virtual llvm::opt::DerivedArgList * TranslateArgs(const llvm::opt::DerivedArgList &Args, StringRef BoundArch, Action::OffloadKind DeviceOffloadKind) const
TranslateArgs - Create a new derived argument list for any argument translations this ToolChain may w...
Definition: ToolChain.h:270
const path_list & getLibraryPaths() const
Definition: ToolChain.h:221
ParsedClangName(std::string Target, std::string Suffix, const char *Mode, bool IsRegistered)
Definition: ToolChain.h:77
virtual bool IsBlocksDefault() const
IsBlocksDefault - Does this tool chain enable -fblocks by default.
Definition: ToolChain.h:319
virtual RuntimeLibType GetDefaultRuntimeLibType() const
GetDefaultRuntimeLibType - Get the default runtime library variant to use.
Definition: ToolChain.h:356
ToolChain - Access to tools for a single platform.
Definition: ToolChain.h:88