//===--- WebAssembly.h - WebAssembly 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_WEBASSEMBLY_H

#define LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_WEBASSEMBLY_H

#include "Gnu.h"

#include "clang/Driver/Tool.h"

#include "clang/Driver/ToolChain.h"

namespace clang {

namespace driver {

namespace tools {

namespace wasm {

class LLVM_LIBRARY_VISIBILITY Linker : public Tool {

public:

  explicit Linker(const ToolChain &TC) : Tool("wasm::Linker", "linker", TC) {}

  bool isLinkJob() const override { return true; }

  bool hasIntegratedCPP() const override { return false; }

  std::string getLinkerPath(const llvm::opt::ArgList &Args) const;

  void ConstructJob(Compilation &C, const JobAction &JA,

                    const InputInfo &Output, const InputInfoList &Inputs,

                    const llvm::opt::ArgList &TCArgs,

                    const char *LinkingOutput) const override;

};

} // end namespace wasm

} // end namespace tools

namespace toolchains {

class LLVM_LIBRARY_VISIBILITY WebAssembly final : public ToolChain {

public:

  WebAssembly(const Driver &D, const llvm::Triple &Triple,

              const llvm::opt::ArgList &Args);

private:

  bool IsMathErrnoDefault() const override;

  bool IsObjCNonFragileABIDefault() const override;

  bool UseObjCMixedDispatch() const override;

  bool isPICDefault() const override;

  bool isPIEDefault(const llvm::opt::ArgList &Args) const override;

  bool isPICDefaultForced() const override;

  bool hasBlocksRuntime() const override;

  bool SupportsProfiling() const override;

  bool HasNativeLLVMSupport() const override;

  unsigned GetDefaultDwarfVersion() const override { return 4; }

  void

  addClangTargetOptions(const llvm::opt::ArgList &DriverArgs,

                        llvm::opt::ArgStringList &CC1Args,

                        Action::OffloadKind DeviceOffloadKind) const override;

  RuntimeLibType GetDefaultRuntimeLibType() 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;

  SanitizerMask getSupportedSanitizers() const override;

  const char *getDefaultLinker() const override { return "wasm-ld"; }

  CXXStdlibType GetDefaultCXXStdlibType() const override {

    return ToolChain::CST_Libcxx;

  }

  Tool *buildLinker() const override;

  std::string getMultiarchTriple(const Driver &D,

                                 const llvm::Triple &TargetTriple,

                                 StringRef SysRoot) const override;

  void addLibCxxIncludePaths(const llvm::opt::ArgList &DriverArgs,

                             llvm::opt::ArgStringList &CC1Args) const;

  void addLibStdCXXIncludePaths(const llvm::opt::ArgList &DriverArgs,

                                llvm::opt::ArgStringList &CC1Args) const;

};

} // end namespace toolchains

} // end namespace driver

} // end namespace clang

#endif // LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_WEBASSEMBLY_H