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 17 namespace clang { 18 namespace driver { 19 namespace tools { 20 21 /// Directly call GNU Binutils assembler and linker 22 namespace openbsd { 23 class LLVM_LIBRARY_VISIBILITY Assembler final : public Tool { 24 public: 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 36 class LLVM_LIBRARY_VISIBILITY Linker final : public Tool { 37 public: 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 51 namespace toolchains { 52 53 class LLVM_LIBRARY_VISIBILITY OpenBSD : public Generic_ELF { 54 public: 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 96 protected: 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