1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
|
//===- DWARFDebugAbbrev.h ---------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_DEBUGINFO_DWARFDEBUGABBREV_H
#define LLVM_DEBUGINFO_DWARFDEBUGABBREV_H
#include "llvm/DebugInfo/DWARF/DWARFAbbreviationDeclaration.h"
#include "llvm/Support/DataExtractor.h"
#include <cstdint>
#include <map>
#include <vector>
namespace llvm {
class raw_ostream;
class DWARFAbbreviationDeclarationSet {
uint32_t Offset;
/// Code of the first abbreviation, if all abbreviations in the set have
/// consecutive codes. UINT32_MAX otherwise.
uint32_t FirstAbbrCode;
std::vector<DWARFAbbreviationDeclaration> Decls;
using const_iterator =
std::vector<DWARFAbbreviationDeclaration>::const_iterator;
public:
DWARFAbbreviationDeclarationSet();
uint32_t getOffset() const { return Offset; }
void dump(raw_ostream &OS) const;
bool extract(DataExtractor Data, uint32_t *OffsetPtr);
const DWARFAbbreviationDeclaration *
getAbbreviationDeclaration(uint32_t AbbrCode) const;
const_iterator begin() const {
return Decls.begin();
}
const_iterator end() const {
return Decls.end();
}
private:
void clear();
};
class DWARFDebugAbbrev {
using DWARFAbbreviationDeclarationSetMap =
std::map<uint64_t, DWARFAbbreviationDeclarationSet>;
mutable DWARFAbbreviationDeclarationSetMap AbbrDeclSets;
mutable DWARFAbbreviationDeclarationSetMap::const_iterator PrevAbbrOffsetPos;
mutable Optional<DataExtractor> Data;
public:
DWARFDebugAbbrev();
const DWARFAbbreviationDeclarationSet *
getAbbreviationDeclarationSet(uint64_t CUAbbrOffset) const;
void dump(raw_ostream &OS) const;
void parse() const;
void extract(DataExtractor Data);
DWARFAbbreviationDeclarationSetMap::const_iterator begin() const {
parse();
return AbbrDeclSets.begin();
}
DWARFAbbreviationDeclarationSetMap::const_iterator end() const {
return AbbrDeclSets.end();
}
private:
void clear();
};
} // end namespace llvm
#endif // LLVM_DEBUGINFO_DWARFDEBUGABBREV_H
|
