1 //===--- Clang.h - Clang Tool and 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_Clang_H
10 #define LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_Clang_H
11 
12 #include "MSVC.h"
13 #include "clang/Basic/DebugInfoOptions.h"
14 #include "clang/Driver/Driver.h"
15 #include "clang/Driver/Tool.h"
16 #include "clang/Driver/Types.h"
17 #include "llvm/ADT/Triple.h"
18 #include "llvm/Option/Option.h"
19 #include "llvm/Support/raw_ostream.h"
20 
21 namespace clang {
22 class ObjCRuntime;
23 namespace driver {
24 
25 namespace tools {
26 
27 /// Clang compiler tool.
28 class LLVM_LIBRARY_VISIBILITY Clang : public Tool {
29 public:
30   static const char *getBaseInputName(const llvm::opt::ArgList &Args,
31                                       const InputInfo &Input);
32   static const char *getBaseInputStem(const llvm::opt::ArgList &Args,
33                                       const InputInfoList &Inputs);
34   static const char *getDependencyFileName(const llvm::opt::ArgList &Args,
35                                            const InputInfoList &Inputs);
36 
37 private:
38   void AddPreprocessingOptions(Compilation &C, const JobAction &JA,
39                                const Driver &D, const llvm::opt::ArgList &Args,
40                                llvm::opt::ArgStringList &CmdArgs,
41                                const InputInfo &Output,
42                                const InputInfoList &Inputs) const;
43 
44   void RenderTargetOptions(const llvm::Triple &EffectiveTriple,
45                            const llvm::opt::ArgList &Args, bool KernelOrKext,
46                            llvm::opt::ArgStringList &CmdArgs) const;
47 
48   void AddAArch64TargetArgs(const llvm::opt::ArgList &Args,
49                             llvm::opt::ArgStringList &CmdArgs) const;
50   void AddARMTargetArgs(const llvm::Triple &Triple,
51                         const llvm::opt::ArgList &Args,
52                         llvm::opt::ArgStringList &CmdArgs,
53                         bool KernelOrKext) const;
54   void AddARM64TargetArgs(const llvm::opt::ArgList &Args,
55                           llvm::opt::ArgStringList &CmdArgs) const;
56   void AddMIPSTargetArgs(const llvm::opt::ArgList &Args,
57                          llvm::opt::ArgStringList &CmdArgs) const;
58   void AddPPCTargetArgs(const llvm::opt::ArgList &Args,
59                         llvm::opt::ArgStringList &CmdArgs) const;
60   void AddR600TargetArgs(const llvm::opt::ArgList &Args,
61                          llvm::opt::ArgStringList &CmdArgs) const;
62   void AddRISCVTargetArgs(const llvm::opt::ArgList &Args,
63                           llvm::opt::ArgStringList &CmdArgs) const;
64   void AddSparcTargetArgs(const llvm::opt::ArgList &Args,
65                           llvm::opt::ArgStringList &CmdArgs) const;
66   void AddSystemZTargetArgs(const llvm::opt::ArgList &Args,
67                             llvm::opt::ArgStringList &CmdArgs) const;
68   void AddX86TargetArgs(const llvm::opt::ArgList &Args,
69                         llvm::opt::ArgStringList &CmdArgs) const;
70   void AddHexagonTargetArgs(const llvm::opt::ArgList &Args,
71                             llvm::opt::ArgStringList &CmdArgs) const;
72   void AddLanaiTargetArgs(const llvm::opt::ArgList &Args,
73                           llvm::opt::ArgStringList &CmdArgs) const;
74   void AddWebAssemblyTargetArgs(const llvm::opt::ArgList &Args,
75                                 llvm::opt::ArgStringList &CmdArgs) const;
76 
77   enum RewriteKind { RK_None, RK_Fragile, RK_NonFragile };
78 
79   ObjCRuntime AddObjCRuntimeArgs(const llvm::opt::ArgList &args,
80                                  llvm::opt::ArgStringList &cmdArgs,
81                                  RewriteKind rewrite) const;
82 
83   void AddClangCLArgs(const llvm::opt::ArgList &Args, types::ID InputType,
84                       llvm::opt::ArgStringList &CmdArgs,
85                       codegenoptions::DebugInfoKind *DebugInfoKind,
86                       bool *EmitCodeView) const;
87 
88   visualstudio::Compiler *getCLFallback() const;
89 
90   mutable std::unique_ptr<visualstudio::Compiler> CLFallback;
91 
92   mutable std::unique_ptr<llvm::raw_fd_ostream> CompilationDatabase = nullptr;
93   void DumpCompilationDatabase(Compilation &C, StringRef Filename,
94                                StringRef Target,
95                                const InputInfo &Output, const InputInfo &Input,
96                                const llvm::opt::ArgList &Args) const;
97 
98   void DumpCompilationDatabaseFragmentToDir(
99       StringRef Dir, Compilation &C, StringRef Target, const InputInfo &Output,
100       const InputInfo &Input, const llvm::opt::ArgList &Args) const;
101 
102 public:
103   Clang(const ToolChain &TC);
104   ~Clang() override;
105 
106   bool hasGoodDiagnostics() const override { return true; }
107   bool hasIntegratedAssembler() const override { return true; }
108   bool hasIntegratedCPP() const override { return true; }
109   bool canEmitIR() const override { return true; }
110 
111   void ConstructJob(Compilation &C, const JobAction &JA,
112                     const InputInfo &Output, const InputInfoList &Inputs,
113                     const llvm::opt::ArgList &TCArgs,
114                     const char *LinkingOutput) const override;
115 };
116 
117 /// Clang integrated assembler tool.
118 class LLVM_LIBRARY_VISIBILITY ClangAs : public Tool {
119 public:
120   ClangAs(const ToolChain &TC)
121       : Tool("clang::as", "clang integrated assembler", TC, RF_Full) {}
122   void AddMIPSTargetArgs(const llvm::opt::ArgList &Args,
123                          llvm::opt::ArgStringList &CmdArgs) const;
124   void AddX86TargetArgs(const llvm::opt::ArgList &Args,
125                         llvm::opt::ArgStringList &CmdArgs) const;
126   void AddRISCVTargetArgs(const llvm::opt::ArgList &Args,
127                           llvm::opt::ArgStringList &CmdArgs) const;
128   bool hasGoodDiagnostics() const override { return true; }
129   bool hasIntegratedAssembler() const override { return false; }
130   bool hasIntegratedCPP() const override { return false; }
131 
132   void ConstructJob(Compilation &C, const JobAction &JA,
133                     const InputInfo &Output, const InputInfoList &Inputs,
134                     const llvm::opt::ArgList &TCArgs,
135                     const char *LinkingOutput) const override;
136 };
137 
138 /// Offload bundler tool.
139 class LLVM_LIBRARY_VISIBILITY OffloadBundler final : public Tool {
140 public:
141   OffloadBundler(const ToolChain &TC)
142       : Tool("offload bundler", "clang-offload-bundler", TC) {}
143 
144   bool hasIntegratedCPP() const override { return false; }
145   void ConstructJob(Compilation &C, const JobAction &JA,
146                     const InputInfo &Output, const InputInfoList &Inputs,
147                     const llvm::opt::ArgList &TCArgs,
148                     const char *LinkingOutput) const override;
149   void ConstructJobMultipleOutputs(Compilation &C, const JobAction &JA,
150                                    const InputInfoList &Outputs,
151                                    const InputInfoList &Inputs,
152                                    const llvm::opt::ArgList &TCArgs,
153                                    const char *LinkingOutput) const override;
154 };
155 
156 /// Offload wrapper tool.
157 class LLVM_LIBRARY_VISIBILITY OffloadWrapper final : public Tool {
158 public:
159   OffloadWrapper(const ToolChain &TC)
160       : Tool("offload wrapper", "clang-offload-wrapper", TC) {}
161 
162   bool hasIntegratedCPP() const override { return false; }
163   void ConstructJob(Compilation &C, const JobAction &JA,
164                     const InputInfo &Output, const InputInfoList &Inputs,
165                     const llvm::opt::ArgList &TCArgs,
166                     const char *LinkingOutput) const override;
167 };
168 
169 } // end namespace tools
170 
171 } // end namespace driver
172 } // end namespace clang
173 
174 #endif // LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_CLANG_H
175