LinkerScript.h revision 2bf3f881f79c4d883f379e63725e788c310739a3 
1//===- LinkerScript.h -----------------------------------------------------===//
2//
3//                     The MCLinker Project
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9#ifndef MCLD_LINKERSCRIPT_H_
10#define MCLD_LINKERSCRIPT_H_
11
12#include "mcld/ADT/HashTable.h"
13#include "mcld/ADT/StringEntry.h"
14#include "mcld/ADT/StringHash.h"
15#include "mcld/MC/SearchDirs.h"
16#include "mcld/Object/SectionMap.h"
17#include "mcld/Script/AssertCmd.h"
18#include "mcld/Script/Assignment.h"
19
20#include <llvm/ADT/StringRef.h>
21#include <llvm/ADT/SmallVector.h>
22
23#include <string>
24#include <vector>
25
26namespace mcld {
27
28class LDSymbol;
29
30/** \class LinkerScript
31 *
32 */
33class LinkerScript {
34 public:
35  typedef HashTable<StringEntry<llvm::StringRef>,
36                    hash::StringHash<hash::DJB>,
37                    StringEntryFactory<llvm::StringRef> > SymbolRenameMap;
38
39  typedef HashTable<StringEntry<uint64_t>,
40                    hash::StringHash<hash::DJB>,
41                    StringEntryFactory<uint64_t> > AddressMap;
42
43  typedef std::vector<std::pair<LDSymbol*, Assignment> > Assignments;
44
45  typedef std::vector<AssertCmd> Assertions;
46
47  typedef llvm::SmallVector<std::string, 8> DefSyms;
48
49 public:
50  LinkerScript();
51
52  ~LinkerScript();
53
54  const SymbolRenameMap& renameMap() const { return m_SymbolRenames; }
55  SymbolRenameMap& renameMap() { return m_SymbolRenames; }
56
57  const AddressMap& addressMap() const { return m_AddressMap; }
58  AddressMap& addressMap() { return m_AddressMap; }
59
60  const SectionMap& sectionMap() const { return m_SectionMap; }
61  SectionMap& sectionMap() { return m_SectionMap; }
62
63  const Assignments& assignments() const { return m_Assignments; }
64  Assignments& assignments() { return m_Assignments; }
65
66  const Assertions& assertions() const { return m_Assertions; }
67  Assertions& assertions() { return m_Assertions; }
68
69  const DefSyms& defsyms() const { return m_DefSyms; }
70  DefSyms& defsyms() { return m_DefSyms; }
71
72  /// search directory
73  const SearchDirs& directories() const { return m_SearchDirs; }
74  SearchDirs& directories() { return m_SearchDirs; }
75
76  /// sysroot
77  const sys::fs::Path& sysroot() const;
78
79  void setSysroot(const sys::fs::Path& pPath);
80
81  bool hasSysroot() const;
82
83  /// entry point
84  const std::string& entry() const;
85
86  void setEntry(const std::string& pEntry);
87
88  bool hasEntry() const;
89
90  /// output filename
91  const std::string& outputFile() const;
92
93  void setOutputFile(const std::string& pOutputFile);
94
95  bool hasOutputFile() const;
96
97 private:
98  SymbolRenameMap m_SymbolRenames;
99  AddressMap m_AddressMap;
100  SectionMap m_SectionMap;
101  Assignments m_Assignments;
102  Assertions m_Assertions;
103  DefSyms m_DefSyms;
104  SearchDirs m_SearchDirs;
105  std::string m_Entry;
106  std::string m_OutputFile;
107};
108
109}  // namespace mcld
110
111#endif  // MCLD_LINKERSCRIPT_H_
112