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 GnuTool {
22 public:
23   explicit Linker(const ToolChain &TC)
24       : GnuTool("wasm::Linker", "linker", TC) {}
25   bool isLinkJob() const override { return true; }
26   bool hasIntegratedCPP() const override { return false; }
27   std::string getLinkerPath(const llvm::opt::ArgList &Args) const;
28   void ConstructJob(Compilation &C, const JobAction &JA,
29                     const InputInfo &Output, const InputInfoList &Inputs,
30                     const llvm::opt::ArgList &TCArgs,
31                     const char *LinkingOutput) const override;
32 };
33 
34 } // end namespace wasm
35 } // end namespace tools
36 
37 namespace toolchains {
38 
39 class LLVM_LIBRARY_VISIBILITY WebAssembly final : public ToolChain {
40 public:
41   WebAssembly(const Driver &D, const llvm::Triple &Triple,
42               const llvm::opt::ArgList &Args);
43 
44 private:
45   bool IsMathErrnoDefault() const override;
46   bool IsObjCNonFragileABIDefault() const override;
47   bool UseObjCMixedDispatch() const override;
48   bool isPICDefault() const override;
49   bool isPIEDefault() const override;
50   bool isPICDefaultForced() const override;
51   bool IsIntegratedAssemblerDefault() const override;
52   bool hasBlocksRuntime() const override;
53   bool SupportsProfiling() const override;
54   bool HasNativeLLVMSupport() const override;
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   Tool *buildLinker() const override;
74 };
75 
76 } // end namespace toolchains
77 } // end namespace driver
78 } // end namespace clang
79 
80 #endif // LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_WEBASSEMBLY_H
81