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 30 void findMultilibs(const Driver &D, const llvm::Triple &Triple, 31 const llvm::opt::ArgList &Args); 32 33 protected: 34 Tool *buildLinker() const override; 35 36 public: 37 bool useIntegratedAs() const override { return true; } 38 bool isCrossCompiling() const override { return true; } 39 bool isPICDefault() const override { return false; } 40 bool isPIEDefault() const override { return false; } 41 bool isPICDefaultForced() const override { return false; } 42 bool SupportsProfiling() const override { return false; } 43 44 StringRef getOSLibName() const override { return "baremetal"; } 45 46 std::string getCompilerRTPath() const override; 47 std::string getCompilerRTBasename(const llvm::opt::ArgList &Args, 48 StringRef Component, 49 FileType Type = ToolChain::FT_Static, 50 bool AddArch = true) const override; 51 52 RuntimeLibType GetDefaultRuntimeLibType() const override { 53 return ToolChain::RLT_CompilerRT; 54 } 55 CXXStdlibType GetDefaultCXXStdlibType() const override { 56 return ToolChain::CST_Libcxx; 57 } 58 59 const char *getDefaultLinker() const override { return "ld.lld"; } 60 61 std::string getRuntimesDir() const; 62 void AddClangSystemIncludeArgs(const llvm::opt::ArgList &DriverArgs, 63 llvm::opt::ArgStringList &CC1Args) const override; 64 void addClangTargetOptions(const llvm::opt::ArgList &DriverArgs, 65 llvm::opt::ArgStringList &CC1Args, 66 Action::OffloadKind DeviceOffloadKind) const override; 67 void AddClangCXXStdlibIncludeArgs( 68 const llvm::opt::ArgList &DriverArgs, 69 llvm::opt::ArgStringList &CC1Args) const override; 70 void AddCXXStdlibLibArgs(const llvm::opt::ArgList &Args, 71 llvm::opt::ArgStringList &CmdArgs) const override; 72 void AddLinkRuntimeLib(const llvm::opt::ArgList &Args, 73 llvm::opt::ArgStringList &CmdArgs) const; 74 std::string computeSysRoot() const override; 75 }; 76 77 } // namespace toolchains 78 79 namespace tools { 80 namespace baremetal { 81 82 class LLVM_LIBRARY_VISIBILITY Linker : public Tool { 83 public: 84 Linker(const ToolChain &TC) : Tool("baremetal::Linker", "ld.lld", TC) {} 85 bool isLinkJob() const override { return true; } 86 bool hasIntegratedCPP() const override { return false; } 87 void ConstructJob(Compilation &C, const JobAction &JA, 88 const InputInfo &Output, const InputInfoList &Inputs, 89 const llvm::opt::ArgList &TCArgs, 90 const char *LinkingOutput) const override; 91 }; 92 93 } // namespace baremetal 94 } // namespace tools 95 96 } // namespace driver 97 } // namespace clang 98 99 #endif 100