MinGW.h

Go to the documentation of this file.

//===--- MinGW.h - MinGW ToolChain Implementations --------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
 
#ifndef LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_MINGW_H
#define LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_MINGW_H
 
#include "Cuda.h"
#include "Gnu.h"
#include "clang/Driver/CudaInstallationDetector.h"
#include "clang/Driver/LazyDetector.h"
#include "clang/Driver/RocmInstallationDetector.h"
#include "clang/Driver/Tool.h"
#include "clang/Driver/ToolChain.h"
#include "llvm/Support/ErrorOr.h"
 
namespace clang {
namespace driver {
namespace tools {
 
/// Directly call GNU Binutils assembler and linker
namespace MinGW {
class LLVM_LIBRARY_VISIBILITY Assembler : public Tool {
public:
  Assembler(const ToolChain &TC) : Tool("MinGW::Assemble", "assembler", TC) {}
 
  bool hasIntegratedCPP() const override { return false; }
 
  void ConstructJob(Compilation &C, const JobAction &JA,
                    const InputInfo &Output, const InputInfoList &Inputs,
                    const llvm::opt::ArgList &TCArgs,
                    const char *LinkingOutput) const override;
};
 
class LLVM_LIBRARY_VISIBILITY Linker final : public Tool {
public:
  Linker(const ToolChain &TC) : Tool("MinGW::Linker", "linker", TC) {}
 
  bool hasIntegratedCPP() const override { return false; }
  bool isLinkJob() const override { return true; }
 
  void ConstructJob(Compilation &C, const JobAction &JA,
                    const InputInfo &Output, const InputInfoList &Inputs,
                    const llvm::opt::ArgList &TCArgs,
                    const char *LinkingOutput) const override;
 
private:
  void AddLibGCC(const llvm::opt::ArgList &Args,
                 llvm::opt::ArgStringList &CmdArgs) const;
};
} // end namespace MinGW
} // end namespace tools
 
namespace toolchains {
 
class LLVM_LIBRARY_VISIBILITY MinGW : public ToolChain {
public:
  MinGW(const Driver &D, const llvm::Triple &Triple,
        const llvm::opt::ArgList &Args);
 
  static void fixTripleArch(const Driver &D, llvm::Triple &Triple,
                            const llvm::opt::ArgList &Args);
 
  bool HasNativeLLVMSupport() const override;
 
  UnwindTableLevel
  getDefaultUnwindTableLevel(const llvm::opt::ArgList &Args) const override;
  bool isPICDefault() const override;
  bool isPIEDefault(const llvm::opt::ArgList &Args) const override;
  bool isPICDefaultForced() const override;
 
  SanitizerMask getSupportedSanitizers() const override;
 
  llvm::ExceptionHandling GetExceptionModel(
      const llvm::opt::ArgList &Args) const override;
 
  void
  AddClangSystemIncludeArgs(const llvm::opt::ArgList &DriverArgs,
                            llvm::opt::ArgStringList &CC1Args) const override;
  void
  addClangTargetOptions(const llvm::opt::ArgList &DriverArgs,
                        llvm::opt::ArgStringList &CC1Args,
                        Action::OffloadKind DeviceOffloadKind) const override;
  void AddClangCXXStdlibIncludeArgs(
      const llvm::opt::ArgList &DriverArgs,
      llvm::opt::ArgStringList &CC1Args) const override;
 
  void AddCudaIncludeArgs(const llvm::opt::ArgList &DriverArgs,
                          llvm::opt::ArgStringList &CC1Args) const override;
  void AddHIPIncludeArgs(const llvm::opt::ArgList &DriverArgs,
                         llvm::opt::ArgStringList &CC1Args) const override;
 
  void printVerboseInfo(raw_ostream &OS) const override;
 
  unsigned GetDefaultDwarfVersion() const override { return 4; }
 
protected:
  Tool *getTool(Action::ActionClass AC) const override;
  Tool *buildLinker() const override;
  Tool *buildAssembler() const override;
 
private:
  LazyDetector<CudaInstallationDetector> CudaInstallation;
  LazyDetector<RocmInstallationDetector> RocmInstallation;
 
  std::string Base;
  std::string GccLibDir;
  clang::driver::toolchains::Generic_GCC::GCCVersion GccVer;
  std::string Ver;
  std::string SubdirName;
  std::string TripleDirName;
  mutable std::unique_ptr<tools::gcc::Preprocessor> Preprocessor;
  mutable std::unique_ptr<tools::gcc::Compiler> Compiler;
  void findGccLibDir(const llvm::Triple &LiteralTriple);
 
  bool NativeLLVMSupport;
};
 
} // end namespace toolchains
} // end namespace driver
} // end namespace clang
 
#endif // LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_MINGW_H