1//===--- Hexagon.h - Hexagon 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_HEXAGON_H
10#define LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_HEXAGON_H
11
12#include "Linux.h"
13#include "clang/Driver/Tool.h"
14#include "clang/Driver/ToolChain.h"
15
16namespace clang {
17namespace driver {
18namespace tools {
19namespace hexagon {
20// For Hexagon, we do not need to instantiate tools for PreProcess, PreCompile
21// and Compile.
22// We simply use "clang -cc1" for those actions.
23class LLVM_LIBRARY_VISIBILITY Assembler : public GnuTool {
24public:
25  Assembler(const ToolChain &TC)
26      : GnuTool("hexagon::Assembler", "hexagon-as", TC) {}
27
28  bool hasIntegratedCPP() const override { return false; }
29
30  void RenderExtraToolArgs(const JobAction &JA,
31                           llvm::opt::ArgStringList &CmdArgs) const;
32  void ConstructJob(Compilation &C, const JobAction &JA,
33                    const InputInfo &Output, const InputInfoList &Inputs,
34                    const llvm::opt::ArgList &TCArgs,
35                    const char *LinkingOutput) const override;
36};
37
38class LLVM_LIBRARY_VISIBILITY Linker : public GnuTool {
39public:
40  Linker(const ToolChain &TC) : GnuTool("hexagon::Linker", "hexagon-ld", TC) {}
41
42  bool hasIntegratedCPP() const override { return false; }
43  bool isLinkJob() const override { return true; }
44
45  virtual void RenderExtraToolArgs(const JobAction &JA,
46                                   llvm::opt::ArgStringList &CmdArgs) const;
47  void ConstructJob(Compilation &C, const JobAction &JA,
48                    const InputInfo &Output, const InputInfoList &Inputs,
49                    const llvm::opt::ArgList &TCArgs,
50                    const char *LinkingOutput) const override;
51};
52
53void getHexagonTargetFeatures(const Driver &D, const llvm::opt::ArgList &Args,
54                              std::vector<StringRef> &Features);
55
56} // end namespace hexagon.
57} // end namespace tools
58
59namespace toolchains {
60
61class LLVM_LIBRARY_VISIBILITY HexagonToolChain : public Linux {
62protected:
63  GCCVersion GCCLibAndIncVersion;
64  Tool *buildAssembler() const override;
65  Tool *buildLinker() const override;
66
67  unsigned getOptimizationLevel(const llvm::opt::ArgList &DriverArgs) const;
68
69public:
70  HexagonToolChain(const Driver &D, const llvm::Triple &Triple,
71                   const llvm::opt::ArgList &Args);
72  ~HexagonToolChain() override;
73
74  void addClangTargetOptions(const llvm::opt::ArgList &DriverArgs,
75                             llvm::opt::ArgStringList &CC1Args,
76                             Action::OffloadKind DeviceOffloadKind) const override;
77  void
78  AddClangSystemIncludeArgs(const llvm::opt::ArgList &DriverArgs,
79                            llvm::opt::ArgStringList &CC1Args) const override;
80  void addLibStdCxxIncludePaths(
81      const llvm::opt::ArgList &DriverArgs,
82      llvm::opt::ArgStringList &CC1Args) const override;
83
84  const char *getDefaultLinker() const override { return "hexagon-link"; }
85
86  CXXStdlibType GetCXXStdlibType(const llvm::opt::ArgList &Args) const override;
87
88  StringRef GetGCCLibAndIncVersion() const { return GCCLibAndIncVersion.Text; }
89  bool IsIntegratedAssemblerDefault() const override {
90    return true;
91  }
92
93  std::string getHexagonTargetDir(
94      const std::string &InstalledDir,
95      const SmallVectorImpl<std::string> &PrefixDirs) const;
96  void getHexagonLibraryPaths(const llvm::opt::ArgList &Args,
97      ToolChain::path_list &LibPaths) const;
98
99  static bool isAutoHVXEnabled(const llvm::opt::ArgList &Args);
100  static const StringRef GetDefaultCPU();
101  static const StringRef GetTargetCPUVersion(const llvm::opt::ArgList &Args);
102
103  static Optional<unsigned> getSmallDataThreshold(
104      const llvm::opt::ArgList &Args);
105};
106
107} // end namespace toolchains
108} // end namespace driver
109} // end namespace clang
110
111#endif // LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_HEXAGON_H
112