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/Basic/LangOptions.h"
14#include "clang/Driver/Tool.h"
15#include "clang/Driver/ToolChain.h"
16
17namespace clang {
18namespace driver {
19namespace tools {
20
21/// Directly call GNU Binutils assembler and linker
22namespace openbsd {
23class LLVM_LIBRARY_VISIBILITY Assembler final : public Tool {
24public:
25  Assembler(const ToolChain &TC)
26      : Tool("openbsd::Assembler", "assembler", TC) {}
27
28  bool hasIntegratedCPP() const override { return false; }
29
30  void ConstructJob(Compilation &C, const JobAction &JA,
31                    const InputInfo &Output, const InputInfoList &Inputs,
32                    const llvm::opt::ArgList &TCArgs,
33                    const char *LinkingOutput) const override;
34};
35
36class LLVM_LIBRARY_VISIBILITY Linker final : public Tool {
37public:
38  Linker(const ToolChain &TC) : Tool("openbsd::Linker", "linker", TC) {}
39
40  bool hasIntegratedCPP() const override { return false; }
41  bool isLinkJob() const override { return true; }
42
43  void ConstructJob(Compilation &C, const JobAction &JA,
44                    const InputInfo &Output, const InputInfoList &Inputs,
45                    const llvm::opt::ArgList &TCArgs,
46                    const char *LinkingOutput) const override;
47};
48} // end namespace openbsd
49} // end namespace tools
50
51namespace toolchains {
52
53class LLVM_LIBRARY_VISIBILITY OpenBSD : public Generic_ELF {
54public:
55  OpenBSD(const Driver &D, const llvm::Triple &Triple,
56          const llvm::opt::ArgList &Args);
57
58  bool HasNativeLLVMSupport() const override;
59
60  bool IsMathErrnoDefault() const override { return false; }
61  bool IsObjCNonFragileABIDefault() const override { return true; }
62  bool isPIEDefault(const llvm::opt::ArgList &Args) const override {
63    return true;
64  }
65
66  RuntimeLibType GetDefaultRuntimeLibType() const override {
67    return ToolChain::RLT_CompilerRT;
68  }
69  CXXStdlibType GetDefaultCXXStdlibType() const override {
70    return ToolChain::CST_Libcxx;
71  }
72
73  void
74  AddClangSystemIncludeArgs(const llvm::opt::ArgList &DriverArgs,
75                            llvm::opt::ArgStringList &CC1Args) const override;
76
77  void addLibCxxIncludePaths(const llvm::opt::ArgList &DriverArgs,
78                             llvm::opt::ArgStringList &CC1Args) const override;
79  void AddCXXStdlibLibArgs(const llvm::opt::ArgList &Args,
80                           llvm::opt::ArgStringList &CmdArgs) const override;
81
82  std::string getCompilerRT(const llvm::opt::ArgList &Args, StringRef Component,
83                            FileType Type = ToolChain::FT_Static) const override;
84
85  UnwindTableLevel
86  getDefaultUnwindTableLevel(const llvm::opt::ArgList &Args) const override;
87
88  LangOptions::StackProtectorMode
89  GetDefaultStackProtectorLevel(bool KernelOrKext) const override {
90    return LangOptions::SSPStrong;
91  }
92  unsigned GetDefaultDwarfVersion() const override { return 2; }
93
94  SanitizerMask getSupportedSanitizers() const override;
95
96protected:
97  Tool *buildAssembler() const override;
98  Tool *buildLinker() const override;
99};
100
101} // end namespace toolchains
102} // end namespace driver
103} // end namespace clang
104
105#endif // LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_OPENBSD_H
106