Hexagon.h revision 320970 
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} // end namespace hexagon.
54} // end namespace tools
55
56namespace toolchains {
57
58class LLVM_LIBRARY_VISIBILITY HexagonToolChain : public Linux {
59protected:
60  GCCVersion GCCLibAndIncVersion;
61  Tool *buildAssembler() const override;
62  Tool *buildLinker() const override;
63
64  unsigned getOptimizationLevel(const llvm::opt::ArgList &DriverArgs) const;
65
66public:
67  HexagonToolChain(const Driver &D, const llvm::Triple &Triple,
68                   const llvm::opt::ArgList &Args);
69  ~HexagonToolChain() override;
70
71  void addClangTargetOptions(const llvm::opt::ArgList &DriverArgs,
72                             llvm::opt::ArgStringList &CC1Args,
73                             Action::OffloadKind DeviceOffloadKind) const override;
74  void
75  AddClangSystemIncludeArgs(const llvm::opt::ArgList &DriverArgs,
76                            llvm::opt::ArgStringList &CC1Args) const override;
77  void addLibStdCxxIncludePaths(
78      const llvm::opt::ArgList &DriverArgs,
79      llvm::opt::ArgStringList &CC1Args) const override;
80  CXXStdlibType GetCXXStdlibType(const llvm::opt::ArgList &Args) const override;
81
82  StringRef GetGCCLibAndIncVersion() const { return GCCLibAndIncVersion.Text; }
83  bool IsIntegratedAssemblerDefault() const override {
84    return true;
85  }
86
87  std::string getHexagonTargetDir(
88      const std::string &InstalledDir,
89      const SmallVectorImpl<std::string> &PrefixDirs) const;
90  void getHexagonLibraryPaths(const llvm::opt::ArgList &Args,
91      ToolChain::path_list &LibPaths) const;
92
93  static const StringRef GetDefaultCPU();
94  static const StringRef GetTargetCPUVersion(const llvm::opt::ArgList &Args);
95
96  static Optional<unsigned> getSmallDataThreshold(
97      const llvm::opt::ArgList &Args);
98};
99
100} // end namespace toolchains
101} // end namespace driver
102} // end namespace clang
103
104#endif // LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_HEXAGON_H
105