clang/lib/Driver/ToolChains/WebAssembly.h

   1 //===--- WebAssembly.h - WebAssembly ToolChain Implementations --*- 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_LIB_DRIVER_TOOLCHAINS_WEBASSEMBLY_H
  10 #define LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_WEBASSEMBLY_H
  11
  12 #include "Gnu.h"
  13 #include "clang/Driver/Tool.h"
  14 #include "clang/Driver/ToolChain.h"
  15
  16 namespace clang {
  17 namespace driver {
  18 namespace tools {
  19 namespace wasm {
  20
  21 class LLVM_LIBRARY_VISIBILITY Linker final : public Tool {
  22 public:
  23   explicit Linker(const ToolChain &TC) : Tool("wasm::Linker", "linker", TC) {}
  24   bool isLinkJob() const override { return true; }
  25   bool hasIntegratedCPP() const override { return false; }
  26   std::string getLinkerPath(const llvm::opt::ArgList &Args) const;
  27   void ConstructJob(Compilation &C, const JobAction &JA,
  28                     const InputInfo &Output, const InputInfoList &Inputs,
  29                     const llvm::opt::ArgList &TCArgs,
  30                     const char *LinkingOutput) const override;
  31 };
  32
  33 } // end namespace wasm
  34 } // end namespace tools
  35
  36 namespace toolchains {
  37
  38 class LLVM_LIBRARY_VISIBILITY WebAssembly final : public ToolChain {
  39 public:
  40   WebAssembly(const Driver &D, const llvm::Triple &Triple,
  41               const llvm::opt::ArgList &Args);
  42
  43 private:
  44   bool IsMathErrnoDefault() const override;
  45   bool IsObjCNonFragileABIDefault() const override;
  46   bool UseObjCMixedDispatch() const override;
  47   bool isPICDefault() const override;
  48   bool isPIEDefault(const llvm::opt::ArgList &Args) const override;
  49   bool isPICDefaultForced() const override;
  50   bool hasBlocksRuntime() const override;
  51   bool SupportsProfiling() const override;
  52   bool HasNativeLLVMSupport() const override;
  53   unsigned GetDefaultDwarfVersion() const override { return 4; }
  54   void
  55   addClangTargetOptions(const llvm::opt::ArgList &DriverArgs,
  56                         llvm::opt::ArgStringList &CC1Args,
  57                         Action::OffloadKind DeviceOffloadKind) const override;
  58   RuntimeLibType GetDefaultRuntimeLibType() const override;
  59   CXXStdlibType GetCXXStdlibType(const llvm::opt::ArgList &Args) const override;
  60   void
  61   AddClangSystemIncludeArgs(const llvm::opt::ArgList &DriverArgs,
  62                             llvm::opt::ArgStringList &CC1Args) const override;
  63   void AddClangCXXStdlibIncludeArgs(
  64       const llvm::opt::ArgList &DriverArgs,
  65       llvm::opt::ArgStringList &CC1Args) const override;
  66   void AddCXXStdlibLibArgs(const llvm::opt::ArgList &Args,
  67                            llvm::opt::ArgStringList &CmdArgs) const override;
  68   SanitizerMask getSupportedSanitizers() const override;
  69
  70   const char *getDefaultLinker() const override { return "wasm-ld"; }
  71
  72   CXXStdlibType GetDefaultCXXStdlibType() const override {
  73     return ToolChain::CST_Libcxx;
  74   }
  75
  76   Tool *buildLinker() const override;
  77
  78   std::string getMultiarchTriple(const Driver &D,
  79                                  const llvm::Triple &TargetTriple,
  80                                  StringRef SysRoot) const override;
  81
  82   void addLibCxxIncludePaths(const llvm::opt::ArgList &DriverArgs,
  83                              llvm::opt::ArgStringList &CC1Args) const;
  84   void addLibStdCXXIncludePaths(const llvm::opt::ArgList &DriverArgs,
  85                                 llvm::opt::ArgStringList &CC1Args) const;
  86 };
  87
  88 } // end namespace toolchains
  89 } // end namespace driver
  90 } // end namespace clang
  91
  92 #endif // LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_WEBASSEMBLY_H