1 //===--- BareMetal.h - Bare Metal Tool and ToolChain -------------*- 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_BAREMETAL_H 10 #define LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_BAREMETAL_H 11 12 #include "clang/Driver/Tool.h" 13 #include "clang/Driver/ToolChain.h" 14 15 #include <string> 16 17 namespace clang { 18 namespace driver { 19 20 namespace toolchains { 21 22 class LLVM_LIBRARY_VISIBILITY BareMetal : public ToolChain { 23 public: 24 BareMetal(const Driver &D, const llvm::Triple &Triple, 25 const llvm::opt::ArgList &Args); 26 ~BareMetal() override = default; 27 28 static bool handlesTarget(const llvm::Triple &Triple); 29 protected: 30 Tool *buildLinker() const override; 31 32 public: useIntegratedAs()33 bool useIntegratedAs() const override { return true; } isCrossCompiling()34 bool isCrossCompiling() const override { return true; } isPICDefault()35 bool isPICDefault() const override { return false; } isPIEDefault()36 bool isPIEDefault() const override { return false; } isPICDefaultForced()37 bool isPICDefaultForced() const override { return false; } SupportsProfiling()38 bool SupportsProfiling() const override { return false; } 39 getOSLibName()40 StringRef getOSLibName() const override { return "baremetal"; } 41 42 std::string getCompilerRTPath() const override; 43 std::string getCompilerRTBasename(const llvm::opt::ArgList &Args, 44 StringRef Component, 45 FileType Type = ToolChain::FT_Static, 46 bool AddArch = true) const override; 47 GetDefaultRuntimeLibType()48 RuntimeLibType GetDefaultRuntimeLibType() const override { 49 return ToolChain::RLT_CompilerRT; 50 } GetDefaultCXXStdlibType()51 CXXStdlibType GetDefaultCXXStdlibType() const override { 52 return ToolChain::CST_Libcxx; 53 } 54 getDefaultLinker()55 const char *getDefaultLinker() const override { return "ld.lld"; } 56 57 std::string getRuntimesDir() const; 58 void AddClangSystemIncludeArgs(const llvm::opt::ArgList &DriverArgs, 59 llvm::opt::ArgStringList &CC1Args) const override; 60 void addClangTargetOptions(const llvm::opt::ArgList &DriverArgs, 61 llvm::opt::ArgStringList &CC1Args, 62 Action::OffloadKind DeviceOffloadKind) const override; 63 void AddClangCXXStdlibIncludeArgs( 64 const llvm::opt::ArgList &DriverArgs, 65 llvm::opt::ArgStringList &CC1Args) const override; 66 void AddCXXStdlibLibArgs(const llvm::opt::ArgList &Args, 67 llvm::opt::ArgStringList &CmdArgs) const override; 68 void AddLinkRuntimeLib(const llvm::opt::ArgList &Args, 69 llvm::opt::ArgStringList &CmdArgs) const; 70 std::string computeSysRoot() const override; 71 }; 72 73 } // namespace toolchains 74 75 namespace tools { 76 namespace baremetal { 77 78 class LLVM_LIBRARY_VISIBILITY Linker : public Tool { 79 public: Linker(const ToolChain & TC)80 Linker(const ToolChain &TC) : Tool("baremetal::Linker", "ld.lld", TC) {} isLinkJob()81 bool isLinkJob() const override { return true; } hasIntegratedCPP()82 bool hasIntegratedCPP() const override { return false; } 83 void ConstructJob(Compilation &C, const JobAction &JA, 84 const InputInfo &Output, const InputInfoList &Inputs, 85 const llvm::opt::ArgList &TCArgs, 86 const char *LinkingOutput) const override; 87 }; 88 89 } // namespace baremetal 90 } // namespace tools 91 92 } // namespace driver 93 } // namespace clang 94 95 #endif 96