1 //===--- ZOS.h - z/OS 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_ZOS_H
10 #define LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_ZOS_H
11 
12 #include "clang/Driver/Tool.h"
13 #include "clang/Driver/ToolChain.h"
14 
15 namespace clang {
16 namespace driver {
17 namespace tools {
18 
19 /// zos -- Directly call system default assembler and linker.
20 namespace zos {
21 
22 class LLVM_LIBRARY_VISIBILITY Assembler : public Tool {
23 public:
24   Assembler(const ToolChain &TC) : Tool("zos::Assembler", "assembler", TC) {}
25 
26   bool hasIntegratedCPP() const override { return false; }
27 
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 class LLVM_LIBRARY_VISIBILITY Linker : public Tool {
35 public:
36   Linker(const ToolChain &TC) : Tool("zos::Linker", "linker", TC) {}
37 
38   bool hasIntegratedCPP() const override { return false; }
39   bool isLinkJob() const override { return true; }
40 
41   void ConstructJob(Compilation &C, const JobAction &JA,
42                     const InputInfo &Output, const InputInfoList &Inputs,
43                     const llvm::opt::ArgList &TCArgs,
44                     const char *LinkingOutput) const override;
45 };
46 
47 } // end namespace zos
48 } // end namespace tools
49 
50 namespace toolchains {
51 
52 class LLVM_LIBRARY_VISIBILITY ZOS : public ToolChain {
53 public:
54   ZOS(const Driver &D, const llvm::Triple &Triple,
55       const llvm::opt::ArgList &Args);
56   ~ZOS() override;
57 
58   bool isPICDefault() const override { return false; }
59   bool isPIEDefault(const llvm::opt::ArgList &Args) const override {
60     return false;
61   }
62   bool isPICDefaultForced() const override { return false; }
63 
64   void TryAddIncludeFromPath(llvm::SmallString<128> Path,
65                              const llvm::opt::ArgList &DriverArgs,
66                              llvm::opt::ArgStringList &CC1Args) const;
67   void
68   AddClangSystemIncludeArgs(const llvm::opt::ArgList &DriverArgs,
69                             llvm::opt::ArgStringList &CC1Args) const override;
70 
71   void AddClangCXXStdlibIncludeArgs(
72       const llvm::opt::ArgList &DriverArgs,
73       llvm::opt::ArgStringList &CC1Args) const override;
74 
75   unsigned GetDefaultDwarfVersion() const override { return 4; }
76   CXXStdlibType GetDefaultCXXStdlibType() const override;
77 
78   void AddCXXStdlibLibArgs(const llvm::opt::ArgList &Args,
79                            llvm::opt::ArgStringList &CmdArgs) const override;
80 
81   RuntimeLibType GetDefaultRuntimeLibType() const override;
82 
83   void addClangTargetOptions(
84       const llvm::opt::ArgList &DriverArgs, llvm::opt::ArgStringList &CC1Args,
85       Action::OffloadKind DeviceOffloadingKind) const override;
86 
87   const char *getDefaultLinker() const override { return "/bin/ld"; }
88 
89 protected:
90   Tool *buildAssembler() const override;
91   Tool *buildLinker() const override;
92 };
93 
94 } // end namespace toolchains
95 } // end namespace driver
96 } // end namespace clang
97 
98 #endif // LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_ZOS_H
99