1 //===--- OpenBSD.h - OpenBSD 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_OPENBSD_H
10 #define LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_OPENBSD_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 
20 /// openbsd -- Directly call GNU Binutils assembler and linker
21 namespace openbsd {
22 class LLVM_LIBRARY_VISIBILITY Assembler : public Tool {
23 public:
24   Assembler(const ToolChain &TC)
25       : Tool("openbsd::Assembler", "assembler", TC) {}
26 
27   bool hasIntegratedCPP() const override { return false; }
28 
29   void ConstructJob(Compilation &C, const JobAction &JA,
30                     const InputInfo &Output, const InputInfoList &Inputs,
31                     const llvm::opt::ArgList &TCArgs,
32                     const char *LinkingOutput) const override;
33 };
34 
35 class LLVM_LIBRARY_VISIBILITY Linker : public Tool {
36 public:
37   Linker(const ToolChain &TC) : Tool("openbsd::Linker", "linker", TC) {}
38 
39   bool hasIntegratedCPP() const override { return false; }
40   bool isLinkJob() const override { return true; }
41 
42   void ConstructJob(Compilation &C, const JobAction &JA,
43                     const InputInfo &Output, const InputInfoList &Inputs,
44                     const llvm::opt::ArgList &TCArgs,
45                     const char *LinkingOutput) const override;
46 };
47 } // end namespace openbsd
48 } // end namespace tools
49 
50 namespace toolchains {
51 
52 class LLVM_LIBRARY_VISIBILITY OpenBSD : public Generic_ELF {
53 public:
54   OpenBSD(const Driver &D, const llvm::Triple &Triple,
55           const llvm::opt::ArgList &Args);
56 
57   bool HasNativeLLVMSupport() const override;
58 
59   bool IsMathErrnoDefault() const override { return false; }
60   bool IsObjCNonFragileABIDefault() const override { return true; }
61   bool isPIEDefault() const override { return true; }
62 
63   RuntimeLibType GetDefaultRuntimeLibType() const override {
64     return ToolChain::RLT_CompilerRT;
65   }
66   CXXStdlibType GetDefaultCXXStdlibType() const override {
67     return ToolChain::CST_Libcxx;
68   }
69 
70   void
71   AddClangSystemIncludeArgs(const llvm::opt::ArgList &DriverArgs,
72                             llvm::opt::ArgStringList &CC1Args) const override;
73 
74   void addLibCxxIncludePaths(const llvm::opt::ArgList &DriverArgs,
75                              llvm::opt::ArgStringList &CC1Args) const override;
76   void AddCXXStdlibLibArgs(const llvm::opt::ArgList &Args,
77                            llvm::opt::ArgStringList &CmdArgs) const override;
78 
79   std::string getCompilerRT(const llvm::opt::ArgList &Args, StringRef Component,
80                             FileType Type = ToolChain::FT_Static) const override;
81 
82   unsigned GetDefaultStackProtectorLevel(bool KernelOrKext) const override {
83     return 2;
84   }
85   unsigned GetDefaultDwarfVersion() const override { return 2; }
86 
87   SanitizerMask getSupportedSanitizers() const override;
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_OPENBSD_H
99