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
17namespace clang {
18namespace driver {
19
20namespace toolchains {
21
22class LLVM_LIBRARY_VISIBILITY BareMetal : public ToolChain {
23public:
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);
29protected:
30  Tool *buildLinker() const override;
31
32public:
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
66namespace tools {
67namespace baremetal {
68
69class LLVM_LIBRARY_VISIBILITY Linker : public Tool {
70public:
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