Hexagon.h revision 327952 
1//===--- Hexagon.h - Hexagon ToolChain Implementations ----------*- C++ -*-===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9
10#ifndef LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_HEXAGON_H
11#define LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_HEXAGON_H
12
13#include "Linux.h"
14#include "clang/Driver/Tool.h"
15#include "clang/Driver/ToolChain.h"
16
17namespace clang {
18namespace driver {
19namespace tools {
20namespace hexagon {
21// For Hexagon, we do not need to instantiate tools for PreProcess, PreCompile
22// and Compile.
23// We simply use "clang -cc1" for those actions.
24class LLVM_LIBRARY_VISIBILITY Assembler : public GnuTool {
25public:
26  Assembler(const ToolChain &TC)
27      : GnuTool("hexagon::Assembler", "hexagon-as", TC) {}
28
29  bool hasIntegratedCPP() const override { return false; }
30
31  void RenderExtraToolArgs(const JobAction &JA,
32                           llvm::opt::ArgStringList &CmdArgs) const;
33  void ConstructJob(Compilation &C, const JobAction &JA,
34                    const InputInfo &Output, const InputInfoList &Inputs,
35                    const llvm::opt::ArgList &TCArgs,
36                    const char *LinkingOutput) const override;
37};
38
39class LLVM_LIBRARY_VISIBILITY Linker : public GnuTool {
40public:
41  Linker(const ToolChain &TC) : GnuTool("hexagon::Linker", "hexagon-ld", TC) {}
42
43  bool hasIntegratedCPP() const override { return false; }
44  bool isLinkJob() const override { return true; }
45
46  virtual void RenderExtraToolArgs(const JobAction &JA,
47                                   llvm::opt::ArgStringList &CmdArgs) const;
48  void ConstructJob(Compilation &C, const JobAction &JA,
49                    const InputInfo &Output, const InputInfoList &Inputs,
50                    const llvm::opt::ArgList &TCArgs,
51                    const char *LinkingOutput) const override;
52};
53
54void getHexagonTargetFeatures(const Driver &D, const llvm::opt::ArgList &Args,
55                              std::vector<StringRef> &Features);
56
57} // end namespace hexagon.
58} // end namespace tools
59
60namespace toolchains {
61
62class LLVM_LIBRARY_VISIBILITY HexagonToolChain : public Linux {
63protected:
64  GCCVersion GCCLibAndIncVersion;
65  Tool *buildAssembler() const override;
66  Tool *buildLinker() const override;
67
68  unsigned getOptimizationLevel(const llvm::opt::ArgList &DriverArgs) const;
69
70public:
71  HexagonToolChain(const Driver &D, const llvm::Triple &Triple,
72                   const llvm::opt::ArgList &Args);
73  ~HexagonToolChain() override;
74
75  void addClangTargetOptions(const llvm::opt::ArgList &DriverArgs,
76                             llvm::opt::ArgStringList &CC1Args,
77                             Action::OffloadKind DeviceOffloadKind) const override;
78  void
79  AddClangSystemIncludeArgs(const llvm::opt::ArgList &DriverArgs,
80                            llvm::opt::ArgStringList &CC1Args) const override;
81  void addLibStdCxxIncludePaths(
82      const llvm::opt::ArgList &DriverArgs,
83      llvm::opt::ArgStringList &CC1Args) const override;
84  CXXStdlibType GetCXXStdlibType(const llvm::opt::ArgList &Args) const override;
85
86  StringRef GetGCCLibAndIncVersion() const { return GCCLibAndIncVersion.Text; }
87  bool IsIntegratedAssemblerDefault() const override {
88    return true;
89  }
90
91  std::string getHexagonTargetDir(
92      const std::string &InstalledDir,
93      const SmallVectorImpl<std::string> &PrefixDirs) const;
94  void getHexagonLibraryPaths(const llvm::opt::ArgList &Args,
95      ToolChain::path_list &LibPaths) const;
96
97  static const StringRef GetDefaultCPU();
98  static const StringRef GetTargetCPUVersion(const llvm::opt::ArgList &Args);
99
100  static Optional<unsigned> getSmallDataThreshold(
101      const llvm::opt::ArgList &Args);
102};
103
104} // end namespace toolchains
105} // end namespace driver
106} // end namespace clang
107
108#endif // LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_HEXAGON_H
109