clang/lib/Driver/ToolChains/UEFI.h

   1 //===--- UEFI.h - UEFI 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_UEFI_H
  10 #define LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_UEFI_H
  11
  12 #include "clang/Driver/Tool.h"
  13 #include "clang/Driver/ToolChain.h"
  14
  15 namespace clang::driver {
  16 namespace tools {
  17 namespace uefi {
  18 class LLVM_LIBRARY_VISIBILITY Linker : public Tool {
  19 public:
  20   Linker(const ToolChain &TC) : Tool("uefi::Linker", "lld-link", TC) {}
  21
  22   bool hasIntegratedCPP() const override { return false; }
  23   bool isLinkJob() const override { return true; }
  24
  25   void ConstructJob(Compilation &C, const JobAction &JA,
  26                     const InputInfo &Output, const InputInfoList &Inputs,
  27                     const llvm::opt::ArgList &TCArgs,
  28                     const char *LinkingOutput) const override;
  29 };
  30 } // end namespace uefi
  31 } // end namespace tools
  32
  33 namespace toolchains {
  34
  35 class LLVM_LIBRARY_VISIBILITY UEFI : public ToolChain {
  36 public:
  37   UEFI(const Driver &D, const llvm::Triple &Triple,
  38        const llvm::opt::ArgList &Args);
  39
  40 protected:
  41   Tool *buildLinker() const override;
  42
  43 public:
  44   bool HasNativeLLVMSupport() const override { return true; }
  45   UnwindTableLevel
  46   getDefaultUnwindTableLevel(const llvm::opt::ArgList &Args) const override {
  47     return UnwindTableLevel::Asynchronous;
  48   }
  49   bool isPICDefault() const override { return true; }
  50   bool isPIEDefault(const llvm::opt::ArgList &Args) const override {
  51     return false;
  52   }
  53   bool isPICDefaultForced() const override { return true; }
  54 };
  55
  56 } // namespace toolchains
  57 } // namespace clang::driver
  58
  59 #endif // LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_UEFI_H