clang  10.0.0svn
OpenBSD.h
Go to the documentation of this file.
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 
63  }
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 protected:
79  Tool *buildAssembler() const override;
80  Tool *buildLinker() const override;
81 };
82 
83 } // end namespace toolchains
84 } // end namespace driver
85 } // end namespace clang
86 
87 #endif // LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_OPENBSD_H
bool IsMathErrnoDefault() const override
IsMathErrnoDefault - Does this tool chain use -fmath-errno by default.
Definition: OpenBSD.h:57
bool hasIntegratedCPP() const override
Definition: OpenBSD.h:27
bool IsObjCNonFragileABIDefault() const override
IsObjCNonFragileABIDefault - Does this tool chain set -fobjc-nonfragile-abi by default.
Definition: OpenBSD.h:58
unsigned GetDefaultStackProtectorLevel(bool KernelOrKext) const override
GetDefaultStackProtectorLevel - Get the default stack protector level for this tool chain (0=off...
Definition: OpenBSD.h:71
InputInfo - Wrapper for information about an input source.
Definition: InputInfo.h:22
bool isLinkJob() const override
Definition: OpenBSD.h:40
bool hasIntegratedCPP() const override
Definition: OpenBSD.h:39
Driver - Encapsulate logic for constructing compilation processes from a set of gcc-driver-like comma...
Definition: Driver.h:59
Linker(const ToolChain &TC)
Definition: OpenBSD.h:37
CXXStdlibType GetDefaultCXXStdlibType() const override
Definition: OpenBSD.h:64
Base class for all GNU tools that provide the same behavior when it comes to response files support...
Definition: Gnu.h:40
Dataflow Directional Tag Classes.
Tool - Information on a specific compilation tool.
Definition: Tool.h:33
Compilation - A set of tasks to perform for a single driver invocation.
Definition: Compilation.h:45
bool isPIEDefault() const override
Test whether this toolchain defaults to PIE.
Definition: OpenBSD.h:59
Assembler(const ToolChain &TC)
Definition: OpenBSD.h:24
RuntimeLibType GetDefaultRuntimeLibType() const override
GetDefaultRuntimeLibType - Get the default runtime library variant to use.
Definition: OpenBSD.h:61
ToolChain - Access to tools for a single platform.
Definition: ToolChain.h:88
unsigned GetDefaultDwarfVersion() const override
Definition: OpenBSD.h:74