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 : 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 IsIntegratedAssemblerDefault() const override; 51 bool hasBlocksRuntime() const override; 52 bool SupportsProfiling() const override; 53 bool HasNativeLLVMSupport() const override; 54 unsigned GetDefaultDwarfVersion() const override { return 4; } 55 void 56 addClangTargetOptions(const llvm::opt::ArgList &DriverArgs, 57 llvm::opt::ArgStringList &CC1Args, 58 Action::OffloadKind DeviceOffloadKind) const override; 59 RuntimeLibType GetDefaultRuntimeLibType() const override; 60 CXXStdlibType GetCXXStdlibType(const llvm::opt::ArgList &Args) const override; 61 void 62 AddClangSystemIncludeArgs(const llvm::opt::ArgList &DriverArgs, 63 llvm::opt::ArgStringList &CC1Args) const override; 64 void AddClangCXXStdlibIncludeArgs( 65 const llvm::opt::ArgList &DriverArgs, 66 llvm::opt::ArgStringList &CC1Args) const override; 67 void AddCXXStdlibLibArgs(const llvm::opt::ArgList &Args, 68 llvm::opt::ArgStringList &CmdArgs) const override; 69 SanitizerMask getSupportedSanitizers() const override; 70 71 const char *getDefaultLinker() const override { return "wasm-ld"; } 72 73 CXXStdlibType GetDefaultCXXStdlibType() const override { 74 return ToolChain::CST_Libcxx; 75 } 76 77 Tool *buildLinker() const override; 78 79 std::string getMultiarchTriple(const Driver &D, 80 const llvm::Triple &TargetTriple, 81 StringRef SysRoot) const override; 82 83 void addLibCxxIncludePaths(const llvm::opt::ArgList &DriverArgs, 84 llvm::opt::ArgStringList &CC1Args) const; 85 void addLibStdCXXIncludePaths(const llvm::opt::ArgList &DriverArgs, 86 llvm::opt::ArgStringList &CC1Args) const; 87 }; 88 89 } // end namespace toolchains 90 } // end namespace driver 91 } // end namespace clang 92 93 #endif // LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_WEBASSEMBLY_H 94