OHOS.h

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//===--- OHOS.h - OHOS 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_OHOS_H
#define LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_OHOS_H
 
#include "Linux.h"
#include "clang/Driver/Tool.h"
#include "clang/Driver/ToolChain.h"
 
namespace clang {
namespace driver {
namespace toolchains {
 
class LLVM_LIBRARY_VISIBILITY OHOS : public Generic_ELF {
public:
  OHOS(const Driver &D, const llvm::Triple &Triple,
          const llvm::opt::ArgList &Args);
 
  bool HasNativeLLVMSupport() const override { return true; }
 
  bool IsMathErrnoDefault() const override { return false; }
 
  RuntimeLibType GetDefaultRuntimeLibType() const override {
    return ToolChain::RLT_CompilerRT;
  }
  CXXStdlibType GetDefaultCXXStdlibType() const override {
    return ToolChain::CST_Libcxx;
  }
  // Not add -funwind-tables by default
  bool isPICDefault() const override { return false; }
  bool isPIEDefault(const llvm::opt::ArgList &Args) const override { return true; }
  bool isPICDefaultForced() const override { return false; }
  UnwindLibType GetUnwindLibType(const llvm::opt::ArgList &Args) const override;
  UnwindLibType GetDefaultUnwindLibType() const override { return UNW_CompilerRT; }
 
  RuntimeLibType
  GetRuntimeLibType(const llvm::opt::ArgList &Args) const override;
  CXXStdlibType
  GetCXXStdlibType(const llvm::opt::ArgList &Args) const override;
 
  void
  AddClangSystemIncludeArgs(const llvm::opt::ArgList &DriverArgs,
                            llvm::opt::ArgStringList &CC1Args) const override;
  void
  AddClangCXXStdlibIncludeArgs(const llvm::opt::ArgList &DriverArgs,
                               llvm::opt::ArgStringList &CC1Args) const override;
  void AddCXXStdlibLibArgs(const llvm::opt::ArgList &Args,
                           llvm::opt::ArgStringList &CmdArgs) const override;
 
  std::string computeSysRoot() const override;
  std::string getDynamicLinker(const llvm::opt::ArgList &Args) const override;
 
  std::string getCompilerRT(const llvm::opt::ArgList &Args, StringRef Component,
                            FileType Type = ToolChain::FT_Static,
                            bool IsFortran = false) const override;
 
  const char *getDefaultLinker() const override {
    return "ld.lld";
  }
 
  Tool *buildLinker() const override {
    return new tools::gnutools::Linker(*this);
  }
  Tool *buildAssembler() const override {
    return new tools::gnutools::Assembler(*this);
  }
 
  path_list getRuntimePaths() const;
 
protected:
  std::string getMultiarchTriple(const llvm::Triple &T) const;
  std::string getMultiarchTriple(const Driver &D,
                                 const llvm::Triple &TargetTriple,
                                 StringRef SysRoot) const override;
  void addExtraOpts(llvm::opt::ArgStringList &CmdArgs) const override;
  SanitizerMask getSupportedSanitizers() const override;
  void addProfileRTLibs(const llvm::opt::ArgList &Args,
                             llvm::opt::ArgStringList &CmdArgs) const override;
  path_list getArchSpecificLibPaths() const override;
 
private:
  Multilib SelectedMultilib;
};
 
} // end namespace toolchains
} // end namespace driver
} // end namespace clang
 
#endif // LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_OHOS_H