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 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   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   Tool *buildLinker() const override;
73 
74   std::string getMultiarchTriple(const Driver &D,
75                                  const llvm::Triple &TargetTriple,
76                                  StringRef SysRoot) const override;
77 };
78 
79 } // end namespace toolchains
80 } // end namespace driver
81 } // end namespace clang
82 
83 #endif // LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_WEBASSEMBLY_H
84