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 GnuTool {
23 public:
24   Assembler(const ToolChain &TC)
25       : GnuTool("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 GnuTool {
36 public:
37   Linker(const ToolChain &TC) : GnuTool("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 IsMathErrnoDefault() const override { return false; }
58   bool IsObjCNonFragileABIDefault() const override { return true; }
59   bool isPIEDefault() const override { return true; }
60 
61   RuntimeLibType GetDefaultRuntimeLibType() const override {
62     return ToolChain::RLT_CompilerRT;
63   }
64   CXXStdlibType GetDefaultCXXStdlibType() const override {
65     return ToolChain::CST_Libcxx;
66   }
67 
68   void AddCXXStdlibLibArgs(const llvm::opt::ArgList &Args,
69                            llvm::opt::ArgStringList &CmdArgs) const override;
70 
71   unsigned GetDefaultStackProtectorLevel(bool KernelOrKext) const override {
72     return 2;
73   }
74   unsigned GetDefaultDwarfVersion() const override { return 2; }
75 
76   SanitizerMask getSupportedSanitizers() const override;
77 
78   void
79   addClangTargetOptions(const llvm::opt::ArgList &DriverArgs,
80                         llvm::opt::ArgStringList &CC1Args,
81                         Action::OffloadKind DeviceOffloadKind) const override;
82 
83 protected:
84   Tool *buildAssembler() const override;
85   Tool *buildLinker() const override;
86 };
87 
88 } // end namespace toolchains
89 } // end namespace driver
90 } // end namespace clang
91 
92 #endif // LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_OPENBSD_H
93