clang  9.0.0svn
ToolChain.h
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1 //===- ToolChain.h - Collections of tools for one platform ------*- C++ -*-===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 #ifndef LLVM_CLANG_DRIVER_TOOLCHAIN_H
10 #define LLVM_CLANG_DRIVER_TOOLCHAIN_H
11 
13 #include "clang/Basic/LLVM.h"
15 #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 
105  UNW_Libgcc
106  };
107 
108  enum RTTIMode {
111  };
112 
113  enum FileType { FT_Object, FT_Static, FT_Shared };
114 
115 private:
117 
118  const Driver &D;
119  llvm::Triple Triple;
120  const llvm::opt::ArgList &Args;
121 
122  // We need to initialize CachedRTTIArg before CachedRTTIMode
123  const llvm::opt::Arg *const CachedRTTIArg;
124 
125  const RTTIMode CachedRTTIMode;
126 
127  /// The list of toolchain specific path prefixes to search for libraries.
128  path_list LibraryPaths;
129 
130  /// The list of toolchain specific path prefixes to search for files.
131  path_list FilePaths;
132 
133  /// The list of toolchain specific path prefixes to search for programs.
134  path_list ProgramPaths;
135 
136  mutable std::unique_ptr<Tool> Clang;
137  mutable std::unique_ptr<Tool> Assemble;
138  mutable std::unique_ptr<Tool> Link;
139  mutable std::unique_ptr<Tool> OffloadBundler;
140 
141  Tool *getClang() const;
142  Tool *getAssemble() const;
143  Tool *getLink() const;
144  Tool *getClangAs() const;
145  Tool *getOffloadBundler() const;
146 
147  mutable std::unique_ptr<SanitizerArgs> SanitizerArguments;
148  mutable std::unique_ptr<XRayArgs> XRayArguments;
149 
150  /// The effective clang triple for the current Job.
151  mutable llvm::Triple EffectiveTriple;
152 
153  /// Set the toolchain's effective clang triple.
154  void setEffectiveTriple(llvm::Triple ET) const {
155  EffectiveTriple = std::move(ET);
156  }
157 
158 protected:
161 
162  ToolChain(const Driver &D, const llvm::Triple &T,
163  const llvm::opt::ArgList &Args);
164 
165  void setTripleEnvironment(llvm::Triple::EnvironmentType Env);
166 
167  virtual Tool *buildAssembler() const;
168  virtual Tool *buildLinker() const;
169  virtual Tool *getTool(Action::ActionClass AC) const;
170 
171  /// \name Utilities for implementing subclasses.
172  ///@{
173  static void addSystemInclude(const llvm::opt::ArgList &DriverArgs,
174  llvm::opt::ArgStringList &CC1Args,
175  const Twine &Path);
176  static void addExternCSystemInclude(const llvm::opt::ArgList &DriverArgs,
177  llvm::opt::ArgStringList &CC1Args,
178  const Twine &Path);
179  static void
180  addExternCSystemIncludeIfExists(const llvm::opt::ArgList &DriverArgs,
181  llvm::opt::ArgStringList &CC1Args,
182  const Twine &Path);
183  static void addSystemIncludes(const llvm::opt::ArgList &DriverArgs,
184  llvm::opt::ArgStringList &CC1Args,
185  ArrayRef<StringRef> Paths);
186  ///@}
187 
188 public:
189  virtual ~ToolChain();
190 
191  // Accessors
192 
193  const Driver &getDriver() const { return D; }
194  llvm::vfs::FileSystem &getVFS() const;
195  const llvm::Triple &getTriple() const { return Triple; }
196 
197  /// Get the toolchain's aux triple, if it has one.
198  ///
199  /// Exactly what the aux triple represents depends on the toolchain, but for
200  /// example when compiling CUDA code for the GPU, the triple might be NVPTX,
201  /// while the aux triple is the host (CPU) toolchain, e.g. x86-linux-gnu.
202  virtual const llvm::Triple *getAuxTriple() const { return nullptr; }
203 
204  /// Some toolchains need to modify the file name, for example to replace the
205  /// extension for object files with .cubin for OpenMP offloading to Nvidia
206  /// GPUs.
207  virtual std::string getInputFilename(const InputInfo &Input) const;
208 
209  llvm::Triple::ArchType getArch() const { return Triple.getArch(); }
210  StringRef getArchName() const { return Triple.getArchName(); }
211  StringRef getPlatform() const { return Triple.getVendorName(); }
212  StringRef getOS() const { return Triple.getOSName(); }
213 
214  /// Provide the default architecture name (as expected by -arch) for
215  /// this toolchain.
216  StringRef getDefaultUniversalArchName() const;
217 
218  std::string getTripleString() const {
219  return Triple.getTriple();
220  }
221 
222  /// Get the toolchain's effective clang triple.
223  const llvm::Triple &getEffectiveTriple() const {
224  assert(!EffectiveTriple.getTriple().empty() && "No effective triple");
225  return EffectiveTriple;
226  }
227 
228  path_list &getLibraryPaths() { return LibraryPaths; }
229  const path_list &getLibraryPaths() const { return LibraryPaths; }
230 
231  path_list &getFilePaths() { return FilePaths; }
232  const path_list &getFilePaths() const { return FilePaths; }
233 
234  path_list &getProgramPaths() { return ProgramPaths; }
235  const path_list &getProgramPaths() const { return ProgramPaths; }
236 
237  const MultilibSet &getMultilibs() const { return Multilibs; }
238 
239  const Multilib &getMultilib() const { return SelectedMultilib; }
240 
241  const SanitizerArgs& getSanitizerArgs() const;
242 
243  const XRayArgs& getXRayArgs() const;
244 
245  // Returns the Arg * that explicitly turned on/off rtti, or nullptr.
246  const llvm::opt::Arg *getRTTIArg() const { return CachedRTTIArg; }
247 
248  // Returns the RTTIMode for the toolchain with the current arguments.
249  RTTIMode getRTTIMode() const { return CachedRTTIMode; }
250 
251  /// Return any implicit target and/or mode flag for an invocation of
252  /// the compiler driver as `ProgName`.
253  ///
254  /// For example, when called with i686-linux-android-g++, the first element
255  /// of the return value will be set to `"i686-linux-android"` and the second
256  /// will be set to "--driver-mode=g++"`.
257  /// It is OK if the target name is not registered. In this case the return
258  /// value contains false in the field TargetIsValid.
259  ///
260  /// \pre `llvm::InitializeAllTargets()` has been called.
261  /// \param ProgName The name the Clang driver was invoked with (from,
262  /// e.g., argv[0]).
263  /// \return A structure of type ParsedClangName that contains the executable
264  /// name parts.
265  static ParsedClangName getTargetAndModeFromProgramName(StringRef ProgName);
266 
267  // Tool access.
268 
269  /// TranslateArgs - Create a new derived argument list for any argument
270  /// translations this ToolChain may wish to perform, or 0 if no tool chain
271  /// specific translations are needed. If \p DeviceOffloadKind is specified
272  /// the translation specific for that offload kind is performed.
273  ///
274  /// \param BoundArch - The bound architecture name, or 0.
275  /// \param DeviceOffloadKind - The device offload kind used for the
276  /// translation.
277  virtual llvm::opt::DerivedArgList *
278  TranslateArgs(const llvm::opt::DerivedArgList &Args, StringRef BoundArch,
279  Action::OffloadKind DeviceOffloadKind) const {
280  return nullptr;
281  }
282 
283  /// TranslateOpenMPTargetArgs - Create a new derived argument list for
284  /// that contains the OpenMP target specific flags passed via
285  /// -Xopenmp-target -opt=val OR -Xopenmp-target=<triple> -opt=val
286  virtual llvm::opt::DerivedArgList *TranslateOpenMPTargetArgs(
287  const llvm::opt::DerivedArgList &Args, bool SameTripleAsHost,
288  SmallVectorImpl<llvm::opt::Arg *> &AllocatedArgs) const;
289 
290  /// Choose a tool to use to handle the action \p JA.
291  ///
292  /// This can be overridden when a particular ToolChain needs to use
293  /// a compiler other than Clang.
294  virtual Tool *SelectTool(const JobAction &JA) const;
295 
296  // Helper methods
297 
298  std::string GetFilePath(const char *Name) const;
299  std::string GetProgramPath(const char *Name) const;
300 
301  /// Returns the linker path, respecting the -fuse-ld= argument to determine
302  /// the linker suffix or name.
303  std::string GetLinkerPath() const;
304 
305  /// Dispatch to the specific toolchain for verbose printing.
306  ///
307  /// This is used when handling the verbose option to print detailed,
308  /// toolchain-specific information useful for understanding the behavior of
309  /// the driver on a specific platform.
310  virtual void printVerboseInfo(raw_ostream &OS) const {}
311 
312  // Platform defaults information
313 
314  /// Returns true if the toolchain is targeting a non-native
315  /// architecture.
316  virtual bool isCrossCompiling() const;
317 
318  /// HasNativeLTOLinker - Check whether the linker and related tools have
319  /// native LLVM support.
320  virtual bool HasNativeLLVMSupport() const;
321 
322  /// LookupTypeForExtension - Return the default language type to use for the
323  /// given extension.
324  virtual types::ID LookupTypeForExtension(StringRef Ext) const;
325 
326  /// IsBlocksDefault - Does this tool chain enable -fblocks by default.
327  virtual bool IsBlocksDefault() const { return false; }
328 
329  /// IsIntegratedAssemblerDefault - Does this tool chain enable -integrated-as
330  /// by default.
331  virtual bool IsIntegratedAssemblerDefault() const { return false; }
332 
333  /// Check if the toolchain should use the integrated assembler.
334  virtual bool useIntegratedAs() const;
335 
336  /// IsMathErrnoDefault - Does this tool chain use -fmath-errno by default.
337  virtual bool IsMathErrnoDefault() const { return true; }
338 
339  /// IsEncodeExtendedBlockSignatureDefault - Does this tool chain enable
340  /// -fencode-extended-block-signature by default.
341  virtual bool IsEncodeExtendedBlockSignatureDefault() const { return false; }
342 
343  /// IsObjCNonFragileABIDefault - Does this tool chain set
344  /// -fobjc-nonfragile-abi by default.
345  virtual bool IsObjCNonFragileABIDefault() const { return false; }
346 
347  /// UseObjCMixedDispatchDefault - When using non-legacy dispatch, should the
348  /// mixed dispatch method be used?
349  virtual bool UseObjCMixedDispatch() const { return false; }
350 
351  /// Check whether to enable x86 relax relocations by default.
352  virtual bool useRelaxRelocations() const;
353 
354  /// GetDefaultStackProtectorLevel - Get the default stack protector level for
355  /// this tool chain (0=off, 1=on, 2=strong, 3=all).
356  virtual unsigned GetDefaultStackProtectorLevel(bool KernelOrKext) const {
357  return 0;
358  }
359 
360  /// Get the default trivial automatic variable initialization.
364  }
365 
366  /// GetDefaultLinker - Get the default linker to use.
367  virtual const char *getDefaultLinker() const { return "ld"; }
368 
369  /// GetDefaultRuntimeLibType - Get the default runtime library variant to use.
371  return ToolChain::RLT_Libgcc;
372  }
373 
375  return ToolChain::CST_Libstdcxx;
376  }
377 
379  return ToolChain::UNW_None;
380  }
381 
382  virtual std::string getCompilerRTPath() const;
383 
384  virtual std::string getCompilerRT(const llvm::opt::ArgList &Args,
385  StringRef Component,
386  FileType Type = ToolChain::FT_Static) const;
387 
388  const char *
389  getCompilerRTArgString(const llvm::opt::ArgList &Args, StringRef Component,
390  FileType Type = ToolChain::FT_Static) const;
391 
392  // Returns <ResourceDir>/lib/<OSName>/<arch>. This is used by runtimes (such
393  // as OpenMP) to find arch-specific libraries.
394  std::string getArchSpecificLibPath() const;
395 
396  // Returns <OSname> part of above.
397  StringRef getOSLibName() const;
398 
399  /// needsProfileRT - returns true if instrumentation profile is on.
400  static bool needsProfileRT(const llvm::opt::ArgList &Args);
401 
402  /// Returns true if gcov instrumentation (-fprofile-arcs or --coverage) is on.
403  static bool needsGCovInstrumentation(const llvm::opt::ArgList &Args);
404 
405  /// IsUnwindTablesDefault - Does this tool chain use -funwind-tables
406  /// by default.
407  virtual bool IsUnwindTablesDefault(const llvm::opt::ArgList &Args) const;
408 
409  /// Test whether this toolchain defaults to PIC.
410  virtual bool isPICDefault() const = 0;
411 
412  /// Test whether this toolchain defaults to PIE.
413  virtual bool isPIEDefault() const = 0;
414 
415  /// Test whether this toolchaind defaults to non-executable stacks.
416  virtual bool isNoExecStackDefault() const;
417 
418  /// Tests whether this toolchain forces its default for PIC, PIE or
419  /// non-PIC. If this returns true, any PIC related flags should be ignored
420  /// and instead the results of \c isPICDefault() and \c isPIEDefault() are
421  /// used exclusively.
422  virtual bool isPICDefaultForced() const = 0;
423 
424  /// SupportsProfiling - Does this tool chain support -pg.
425  virtual bool SupportsProfiling() const { return true; }
426 
427  /// Complain if this tool chain doesn't support Objective-C ARC.
428  virtual void CheckObjCARC() const {}
429 
430  /// Get the default debug info format. Typically, this is DWARF.
433  }
434 
435  /// UseDwarfDebugFlags - Embed the compile options to clang into the Dwarf
436  /// compile unit information.
437  virtual bool UseDwarfDebugFlags() const { return false; }
438 
439  // Return the DWARF version to emit, in the absence of arguments
440  // to the contrary.
441  virtual unsigned GetDefaultDwarfVersion() const { return 4; }
442 
443  // True if the driver should assume "-fstandalone-debug"
444  // in the absence of an option specifying otherwise,
445  // provided that debugging was requested in the first place.
446  // i.e. a value of 'true' does not imply that debugging is wanted.
447  virtual bool GetDefaultStandaloneDebug() const { return false; }
448 
449  // Return the default debugger "tuning."
450  virtual llvm::DebuggerKind getDefaultDebuggerTuning() const {
451  return llvm::DebuggerKind::GDB;
452  }
453 
454  /// Does this toolchain supports given debug info option or not.
455  virtual bool supportsDebugInfoOption(const llvm::opt::Arg *) const {
456  return true;
457  }
458 
459  /// Adjust debug information kind considering all passed options.
461  const llvm::opt::ArgList &Args) const {}
462 
463  /// GetExceptionModel - Return the tool chain exception model.
464  virtual llvm::ExceptionHandling
465  GetExceptionModel(const llvm::opt::ArgList &Args) const;
466 
467  /// SupportsEmbeddedBitcode - Does this tool chain support embedded bitcode.
468  virtual bool SupportsEmbeddedBitcode() const { return false; }
469 
470  /// getThreadModel() - Which thread model does this target use?
471  virtual std::string getThreadModel() const { return "posix"; }
472 
473  /// isThreadModelSupported() - Does this target support a thread model?
474  virtual bool isThreadModelSupported(const StringRef Model) const;
475 
476  /// ComputeLLVMTriple - Return the LLVM target triple to use, after taking
477  /// command line arguments into account.
478  virtual std::string
479  ComputeLLVMTriple(const llvm::opt::ArgList &Args,
480  types::ID InputType = types::TY_INVALID) const;
481 
482  /// ComputeEffectiveClangTriple - Return the Clang triple to use for this
483  /// target, which may take into account the command line arguments. For
484  /// example, on Darwin the -mmacosx-version-min= command line argument (which
485  /// sets the deployment target) determines the version in the triple passed to
486  /// Clang.
487  virtual std::string ComputeEffectiveClangTriple(
488  const llvm::opt::ArgList &Args,
489  types::ID InputType = types::TY_INVALID) const;
490 
491  /// getDefaultObjCRuntime - Return the default Objective-C runtime
492  /// for this platform.
493  ///
494  /// FIXME: this really belongs on some sort of DeploymentTarget abstraction
495  virtual ObjCRuntime getDefaultObjCRuntime(bool isNonFragile) const;
496 
497  /// hasBlocksRuntime - Given that the user is compiling with
498  /// -fblocks, does this tool chain guarantee the existence of a
499  /// blocks runtime?
500  ///
501  /// FIXME: this really belongs on some sort of DeploymentTarget abstraction
502  virtual bool hasBlocksRuntime() const { return true; }
503 
504  /// Add the clang cc1 arguments for system include paths.
505  ///
506  /// This routine is responsible for adding the necessary cc1 arguments to
507  /// include headers from standard system header directories.
508  virtual void
509  AddClangSystemIncludeArgs(const llvm::opt::ArgList &DriverArgs,
510  llvm::opt::ArgStringList &CC1Args) const;
511 
512  /// Add options that need to be passed to cc1 for this target.
513  virtual void addClangTargetOptions(const llvm::opt::ArgList &DriverArgs,
514  llvm::opt::ArgStringList &CC1Args,
515  Action::OffloadKind DeviceOffloadKind) const;
516 
517  /// Add warning options that need to be passed to cc1 for this target.
518  virtual void addClangWarningOptions(llvm::opt::ArgStringList &CC1Args) const;
519 
520  // GetRuntimeLibType - Determine the runtime library type to use with the
521  // given compilation arguments.
522  virtual RuntimeLibType
523  GetRuntimeLibType(const llvm::opt::ArgList &Args) const;
524 
525  // GetCXXStdlibType - Determine the C++ standard library type to use with the
526  // given compilation arguments.
527  virtual CXXStdlibType GetCXXStdlibType(const llvm::opt::ArgList &Args) const;
528 
529  // GetUnwindLibType - Determine the unwind library type to use with the
530  // given compilation arguments.
531  virtual UnwindLibType GetUnwindLibType(const llvm::opt::ArgList &Args) const;
532 
533  /// AddClangCXXStdlibIncludeArgs - Add the clang -cc1 level arguments to set
534  /// the include paths to use for the given C++ standard library type.
535  virtual void
536  AddClangCXXStdlibIncludeArgs(const llvm::opt::ArgList &DriverArgs,
537  llvm::opt::ArgStringList &CC1Args) const;
538 
539  /// Returns if the C++ standard library should be linked in.
540  /// Note that e.g. -lm should still be linked even if this returns false.
541  bool ShouldLinkCXXStdlib(const llvm::opt::ArgList &Args) const;
542 
543  /// AddCXXStdlibLibArgs - Add the system specific linker arguments to use
544  /// for the given C++ standard library type.
545  virtual void AddCXXStdlibLibArgs(const llvm::opt::ArgList &Args,
546  llvm::opt::ArgStringList &CmdArgs) const;
547 
548  /// AddFilePathLibArgs - Add each thing in getFilePaths() as a "-L" option.
549  void AddFilePathLibArgs(const llvm::opt::ArgList &Args,
550  llvm::opt::ArgStringList &CmdArgs) const;
551 
552  /// AddCCKextLibArgs - Add the system specific linker arguments to use
553  /// for kernel extensions (Darwin-specific).
554  virtual void AddCCKextLibArgs(const llvm::opt::ArgList &Args,
555  llvm::opt::ArgStringList &CmdArgs) const;
556 
557  /// AddFastMathRuntimeIfAvailable - If a runtime library exists that sets
558  /// global flags for unsafe floating point math, add it and return true.
559  ///
560  /// This checks for presence of the -Ofast, -ffast-math or -funsafe-math flags.
561  virtual bool AddFastMathRuntimeIfAvailable(
562  const llvm::opt::ArgList &Args, llvm::opt::ArgStringList &CmdArgs) const;
563 
564  /// addProfileRTLibs - When -fprofile-instr-profile is specified, try to pass
565  /// a suitable profile runtime library to the linker.
566  virtual void addProfileRTLibs(const llvm::opt::ArgList &Args,
567  llvm::opt::ArgStringList &CmdArgs) const;
568 
569  /// Add arguments to use system-specific CUDA includes.
570  virtual void AddCudaIncludeArgs(const llvm::opt::ArgList &DriverArgs,
571  llvm::opt::ArgStringList &CC1Args) const;
572 
573  /// Add arguments to use MCU GCC toolchain includes.
574  virtual void AddIAMCUIncludeArgs(const llvm::opt::ArgList &DriverArgs,
575  llvm::opt::ArgStringList &CC1Args) const;
576 
577  /// On Windows, returns the MSVC compatibility version.
578  virtual VersionTuple computeMSVCVersion(const Driver *D,
579  const llvm::opt::ArgList &Args) const;
580 
581  /// Return sanitizers which are available in this toolchain.
582  virtual SanitizerMask getSupportedSanitizers() const;
583 
584  /// Return sanitizers which are enabled by default.
586  return SanitizerMask();
587  }
588 };
589 
590 /// Set a ToolChain's effective triple. Reset it when the registration object
591 /// is destroyed.
593  const ToolChain &TC;
594 
595 public:
596  RegisterEffectiveTriple(const ToolChain &TC, llvm::Triple T) : TC(TC) {
597  TC.setEffectiveTriple(std::move(T));
598  }
599 
600  ~RegisterEffectiveTriple() { TC.setEffectiveTriple(llvm::Triple()); }
601 };
602 
603 } // namespace driver
604 
605 } // namespace clang
606 
607 #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:367
DominatorTree GraphTraits specialization so the DominatorTree can be iterable by generic graph iterat...
Definition: Dominators.h:29
const MultilibSet & getMultilibs() const
Definition: ToolChain.h:237
StringRef getArchName() const
Definition: ToolChain.h:210
Set a ToolChain&#39;s effective triple.
Definition: ToolChain.h:592
virtual bool SupportsProfiling() const
SupportsProfiling - Does this tool chain support -pg.
Definition: ToolChain.h:425
virtual bool UseDwarfDebugFlags() const
UseDwarfDebugFlags - Embed the compile options to clang into the Dwarf compile unit information...
Definition: ToolChain.h:437
virtual std::string getThreadModel() const
getThreadModel() - Which thread model does this target use?
Definition: ToolChain.h:471
The base class of the type hierarchy.
Definition: Type.h:1414
StringRef getOS() const
Definition: ToolChain.h:212
virtual void printVerboseInfo(raw_ostream &OS) const
Dispatch to the specific toolchain for verbose printing.
Definition: ToolChain.h:310
RegisterEffectiveTriple(const ToolChain &TC, llvm::Triple T)
Definition: ToolChain.h:596
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:502
const Multilib & getMultilib() const
Definition: ToolChain.h:239
std::string TargetPrefix
Target part of the executable name, as i686-linux-android.
Definition: ToolChain.h:63
path_list & getProgramPaths()
Definition: ToolChain.h:234
virtual unsigned GetDefaultStackProtectorLevel(bool KernelOrKext) const
GetDefaultStackProtectorLevel - Get the default stack protector level for this tool chain (0=off...
Definition: ToolChain.h:356
std::string getTripleString() const
Definition: ToolChain.h:218
virtual const llvm::Triple * getAuxTriple() const
Get the toolchain&#39;s aux triple, if it has one.
Definition: ToolChain.h:202
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:22
path_list & getFilePaths()
Definition: ToolChain.h:231
Driver - Encapsulate logic for constructing compilation processes from a set of gcc-driver-like comma...
Definition: Driver.h:57
const llvm::opt::Arg * getRTTIArg() const
Definition: ToolChain.h:246
const path_list & getFilePaths() const
Definition: ToolChain.h:232
const path_list & getProgramPaths() const
Definition: ToolChain.h:235
StringRef getPlatform() const
Definition: ToolChain.h:211
virtual void adjustDebugInfoKind(codegenoptions::DebugInfoKind &DebugInfoKind, const llvm::opt::ArgList &Args) const
Adjust debug information kind considering all passed options.
Definition: ToolChain.h:460
virtual bool IsIntegratedAssemblerDefault() const
IsIntegratedAssemblerDefault - Does this tool chain enable -integrated-as by default.
Definition: ToolChain.h:331
Defines the clang::LangOptions interface.
virtual bool SupportsEmbeddedBitcode() const
SupportsEmbeddedBitcode - Does this tool chain support embedded bitcode.
Definition: ToolChain.h:468
const llvm::Triple & getEffectiveTriple() const
Get the toolchain&#39;s effective clang triple.
Definition: ToolChain.h:223
virtual UnwindLibType GetDefaultUnwindLibType() const
Definition: ToolChain.h:378
virtual bool IsObjCNonFragileABIDefault() const
IsObjCNonFragileABIDefault - Does this tool chain set -fobjc-nonfragile-abi by default.
Definition: ToolChain.h:345
This corresponds to a single GCC Multilib, or a segment of one controlled by a command line flag...
Definition: Multilib.h:28
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:455
virtual CXXStdlibType GetDefaultCXXStdlibType() const
Definition: ToolChain.h:374
virtual bool IsMathErrnoDefault() const
IsMathErrnoDefault - Does this tool chain use -fmath-errno by default.
Definition: ToolChain.h:337
path_list & getLibraryPaths()
Definition: ToolChain.h:228
llvm::Triple::ArchType getArch() const
Definition: ToolChain.h:209
virtual bool UseObjCMixedDispatch() const
UseObjCMixedDispatchDefault - When using non-legacy dispatch, should the mixed dispatch method be use...
Definition: ToolChain.h:349
virtual bool IsEncodeExtendedBlockSignatureDefault() const
IsEncodeExtendedBlockSignatureDefault - Does this tool chain enable -fencode-extended-block-signature...
Definition: ToolChain.h:341
const Driver & getDriver() const
Definition: ToolChain.h:193
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:585
Dataflow Directional Tag Classes.
virtual void CheckObjCARC() const
Complain if this tool chain doesn&#39;t support Objective-C ARC.
Definition: ToolChain.h:428
The basic abstraction for the target Objective-C runtime.
Definition: ObjCRuntime.h:27
virtual llvm::DebuggerKind getDefaultDebuggerTuning() const
Definition: ToolChain.h:450
Tool - Information on a specific compilation tool.
Definition: Tool.h:33
virtual unsigned GetDefaultDwarfVersion() const
Definition: ToolChain.h:441
RTTIMode getRTTIMode() const
Definition: ToolChain.h:249
virtual codegenoptions::DebugInfoFormat getDefaultDebugFormat() const
Get the default debug info format. Typically, this is DWARF.
Definition: ToolChain.h:431
const llvm::Triple & getTriple() const
Definition: ToolChain.h:195
virtual bool GetDefaultStandaloneDebug() const
Definition: ToolChain.h:447
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:278
virtual LangOptions::TrivialAutoVarInitKind GetDefaultTrivialAutoVarInit() const
Get the default trivial automatic variable initialization.
Definition: ToolChain.h:362
const path_list & getLibraryPaths() const
Definition: ToolChain.h:229
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:327
virtual RuntimeLibType GetDefaultRuntimeLibType() const
GetDefaultRuntimeLibType - Get the default runtime library variant to use.
Definition: ToolChain.h:370
ToolChain - Access to tools for a single platform.
Definition: ToolChain.h:88