blob: a5da2137ef445eab937bede9dbd5bc08ca0448fb (
plain)
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
89
|
//===-- DWARFDebugAranges.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_DWARFDEBUGARANGES_H
#define LLVM_DEBUGINFO_DWARFDEBUGARANGES_H
#include "DWARFDebugArangeSet.h"
#include "llvm/ADT/DenseSet.h"
#include <list>
namespace llvm {
class DWARFContext;
class DWARFDebugAranges {
public:
struct Range {
explicit Range(uint64_t lo = -1ULL, uint64_t hi = -1ULL,
uint32_t off = -1U)
: LoPC(lo), Length(hi-lo), Offset(off) {}
void clear() {
LoPC = -1ULL;
Length = 0;
Offset = -1U;
}
void setHiPC(uint64_t HiPC) {
if (HiPC == -1ULL || HiPC <= LoPC)
Length = 0;
else
Length = HiPC - LoPC;
}
uint64_t HiPC() const {
if (Length)
return LoPC + Length;
return -1ULL;
}
bool isValidRange() const { return Length > 0; }
static bool SortedOverlapCheck(const Range &curr_range,
const Range &next_range, uint32_t n) {
if (curr_range.Offset != next_range.Offset)
return false;
return curr_range.HiPC() + n >= next_range.LoPC;
}
bool contains(const Range &range) const {
return LoPC <= range.LoPC && range.HiPC() <= HiPC();
}
void dump(raw_ostream &OS) const;
uint64_t LoPC; // Start of address range
uint32_t Length; // End of address range (not including this address)
uint32_t Offset; // Offset of the compile unit or die
};
void clear() {
Aranges.clear();
ParsedCUOffsets.clear();
}
void extract(DataExtractor DebugArangesData);
void generate(DWARFContext *CTX);
// Use appendRange multiple times and then call sort.
void appendRange(uint32_t CUOffset, uint64_t LowPC, uint64_t HighPC);
void sort(bool Minimize, uint32_t OverlapSize);
void dump(raw_ostream &OS) const;
uint32_t findAddress(uint64_t Address) const;
typedef std::vector<Range> RangeColl;
typedef RangeColl::const_iterator RangeCollIterator;
typedef DenseSet<uint32_t> ParsedCUOffsetColl;
private:
RangeColl Aranges;
ParsedCUOffsetColl ParsedCUOffsets;
};
}
#endif
|
