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; 27 28 static bool handlesTarget(const llvm::Triple &Triple); 29 protected: 30 Tool *buildLinker() const override; 31 32 public: 33 bool useIntegratedAs() const override { return true; } 34 bool isCrossCompiling() const override { return true; } 35 bool isPICDefault() const override { return false; } 36 bool isPIEDefault() const override { return false; } 37 bool isPICDefaultForced() const override { return false; } 38 bool SupportsProfiling() const override { return false; } 39 40 RuntimeLibType GetDefaultRuntimeLibType() const override { 41 return ToolChain::RLT_CompilerRT; 42 } 43 CXXStdlibType GetDefaultCXXStdlibType() const override { 44 return ToolChain::CST_Libcxx; 45 } 46 47 const char *getDefaultLinker() const override { return "ld.lld"; } 48 49 std::string getRuntimesDir() const; 50 void AddClangSystemIncludeArgs(const llvm::opt::ArgList &DriverArgs, 51 llvm::opt::ArgStringList &CC1Args) const override; 52 void addClangTargetOptions(const llvm::opt::ArgList &DriverArgs, 53 llvm::opt::ArgStringList &CC1Args, 54 Action::OffloadKind DeviceOffloadKind) const override; 55 void AddClangCXXStdlibIncludeArgs( 56 const llvm::opt::ArgList &DriverArgs, 57 llvm::opt::ArgStringList &CC1Args) const override; 58 void AddCXXStdlibLibArgs(const llvm::opt::ArgList &Args, 59 llvm::opt::ArgStringList &CmdArgs) const override; 60 void AddLinkRuntimeLib(const llvm::opt::ArgList &Args, 61 llvm::opt::ArgStringList &CmdArgs) const; 62 }; 63 64 } // namespace toolchains 65 66 namespace tools { 67 namespace baremetal { 68 69 class LLVM_LIBRARY_VISIBILITY Linker : public Tool { 70 public: 71 Linker(const ToolChain &TC) : Tool("baremetal::Linker", "ld.lld", TC) {} 72 bool isLinkJob() const override { return true; } 73 bool hasIntegratedCPP() const override { return false; } 74 void ConstructJob(Compilation &C, const JobAction &JA, 75 const InputInfo &Output, const InputInfoList &Inputs, 76 const llvm::opt::ArgList &TCArgs, 77 const char *LinkingOutput) const override; 78 }; 79 80 } // namespace baremetal 81 } // namespace tools 82 83 } // namespace driver 84 } // namespace clang 85 86 #endif 87