OpenASIP  2.0
AOutRelocationSectionReader.hh
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1 /*
2  Copyright (c) 2002-2009 Tampere University.
3 
4  This file is part of TTA-Based Codesign Environment (TCE).
5 
6  Permission is hereby granted, free of charge, to any person obtaining a
7  copy of this software and associated documentation files (the "Software"),
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11  Software is furnished to do so, subject to the following conditions:
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14  all copies or substantial portions of the Software.
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16  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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23  */
24 /**
25  * @file AOutRelocationSectionReader.hh
26  *
27  * Declaration of AOutRelocationSectionReader.
28  *
29  * @author Jussi Nykänen 2003 (nykanen-no.spam-cs.tut.fi)
30  * @author Mikael Lepistö 18.12.2003 (tmlepist-no.spam-cs.tut.fi)
31  * @note reviewed 7 October 2003 by jn, ml, tr, ll
32  *
33  * @note rating: yellow
34  */
35 
36 #ifndef TTA_AOUT_RELOCATION_SECTION_READER_HH
37 #define TTA_AOUT_RELOCATION_SECTION_READER_HH
38 
39 #include "AOutSectionReader.hh"
40 #include "Section.hh"
41 #include "TPEFBaseType.hh"
42 #include "BinaryReader.hh"
43 #include "Exception.hh"
44 #include "RelocElement.hh"
45 
46 namespace TPEF {
47 
48 /**
49  * Reads relocation sections of a.out binary.
50  */
52 public:
54 
55 protected:
57 
58  virtual void finalize(Section* section) const;
59 
60  virtual void readData(BinaryStream& stream, Section* section) const;
61 
62  virtual Section::SectionType type() const;
63 
64 private:
65  /**
66  * Relocation types of a.out
67  */
68  enum RelocType {
69  RELOC_8, ///< 1 byte relocation
70  RELOC_16, ///< 2 bytes relocation
71  RELOC_32, ///< 4 bytes relocation
72  NO_RELOC ///< no relocation
73  };
74 
76  BinaryStream& stream, RelocElement* elem, SectionId refSectionID,
77  AOutReader* reader) const;
78 
79  bool checkIfExtern(Word word) const;
80 
81  /// Copying not allowed.
83  /// Assignment not allowed.
85 
87  RelocType aOutRelocType) const;
88 
89  /// Class-wide (unique) prototype instance of AOutRelocationSectionReader
90  /// registered into SectionReader.
92 
93  /// Mask for extracting relocation type.
94  static const Byte RELOCATION_TYPE_MASK;
95 };
96 }
97 
99 
100 #endif
TPEF::SectionId
HalfWord SectionId
Type for storing binary file section ids.
Definition: TPEFBaseType.hh:43
BinaryReader.hh
Exception.hh
TPEF::BinaryStream
Definition: BinaryStream.hh:59
TPEF::AOutRelocationSectionReader::RELOCATION_TYPE_MASK
static const Byte RELOCATION_TYPE_MASK
Mask for extracting relocation type.
Definition: AOutRelocationSectionReader.hh:94
Byte
unsigned char Byte
Definition: BaseType.hh:116
TPEF::Section
Definition: Section.hh:64
TPEF::AOutRelocationSectionReader::initializeRelocElement
void initializeRelocElement(BinaryStream &stream, RelocElement *elem, SectionId refSectionID, AOutReader *reader) const
Definition: AOutRelocationSectionReader.cc:158
TPEF::AOutRelocationSectionReader::aOutToTPEFRelocType
RelocElement::RelocType aOutToTPEFRelocType(RelocType aOutRelocType) const
Definition: AOutRelocationSectionReader.cc:295
TPEF::AOutRelocationSectionReader
Definition: AOutRelocationSectionReader.hh:51
TPEF::AOutRelocationSectionReader::type
virtual Section::SectionType type() const
Definition: AOutRelocationSectionReader.cc:85
TPEF::AOutRelocationSectionReader::RELOC_16
@ RELOC_16
2 bytes relocation
Definition: AOutRelocationSectionReader.hh:70
TPEF::AOutReader
Definition: AOutReader.hh:54
TPEF::AOutRelocationSectionReader::RelocType
RelocType
Definition: AOutRelocationSectionReader.hh:68
TPEF::AOutRelocationSectionReader::readData
virtual void readData(BinaryStream &stream, Section *section) const
Definition: AOutRelocationSectionReader.cc:102
RelocElement.hh
TPEF::AOutRelocationSectionReader::finalize
virtual void finalize(Section *section) const
Definition: AOutRelocationSectionReader.cc:224
TPEF::AOutRelocationSectionReader::AOutRelocationSectionReader
AOutRelocationSectionReader()
Definition: AOutRelocationSectionReader.cc:67
TPEF::RelocElement
Definition: RelocElement.hh:51
TPEF::AOutRelocationSectionReader::proto_
static AOutRelocationSectionReader proto_
Class-wide (unique) prototype instance of AOutRelocationSectionReader registered into SectionReader.
Definition: AOutRelocationSectionReader.hh:91
AOutSectionReader.hh
AOutRelocationSectionReader.icc
TPEF::AOutRelocationSectionReader::checkIfExtern
bool checkIfExtern(Word word) const
TPEF::AOutSectionReader
Definition: AOutSectionReader.hh:45
TPEF::AOutRelocationSectionReader::~AOutRelocationSectionReader
virtual ~AOutRelocationSectionReader()
Definition: AOutRelocationSectionReader.cc:76
Section.hh
TPEF::Section::SectionType
SectionType
Definition: Section.hh:69
TPEF::AOutRelocationSectionReader::RELOC_8
@ RELOC_8
1 byte relocation
Definition: AOutRelocationSectionReader.hh:69
TPEF::AOutRelocationSectionReader::operator=
AOutRelocationSectionReader & operator=(AOutRelocationSectionReader &)
Assignment not allowed.
TPEF::RelocElement::RelocType
RelocType
Definition: RelocElement.hh:56
TPEFBaseType.hh
TPEF::AOutRelocationSectionReader::NO_RELOC
@ NO_RELOC
no relocation
Definition: AOutRelocationSectionReader.hh:72
TPEF
Definition: Assembler.hh:43
TPEF::AOutRelocationSectionReader::RELOC_32
@ RELOC_32
4 bytes relocation
Definition: AOutRelocationSectionReader.hh:71