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
|
#pragma once
#ifdef __GNUC__
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wunused-parameter"
#endif
//===- DWARFDebugRnglists.h -------------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_DEBUGINFO_DWARF_DWARFDEBUGRNGLISTS_H
#define LLVM_DEBUGINFO_DWARF_DWARFDEBUGRNGLISTS_H
#include "llvm/ADT/Optional.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/BinaryFormat/Dwarf.h"
#include "llvm/DebugInfo/DIContext.h"
#include "llvm/DebugInfo/DWARF/DWARFDataExtractor.h"
#include "llvm/DebugInfo/DWARF/DWARFDebugRangeList.h"
#include "llvm/DebugInfo/DWARF/DWARFListTable.h"
#include <cstdint>
namespace llvm {
class Error;
class raw_ostream;
class DWARFUnit;
/// A class representing a single range list entry.
struct RangeListEntry : public DWARFListEntryBase {
/// The values making up the range list entry. Most represent a range with
/// a start and end address or a start address and a length. Others are
/// single value base addresses or end-of-list with no values. The unneeded
/// values are semantically undefined, but initialized to 0.
uint64_t Value0;
uint64_t Value1;
Error extract(DWARFDataExtractor Data, uint64_t *OffsetPtr);
void dump(raw_ostream &OS, uint8_t AddrSize, uint8_t MaxEncodingStringLength,
uint64_t &CurrentBase, DIDumpOptions DumpOpts,
llvm::function_ref<Optional<object::SectionedAddress>(uint32_t)>
LookupPooledAddress) const;
bool isSentinel() const { return EntryKind == dwarf::DW_RLE_end_of_list; }
};
/// A class representing a single rangelist.
class DWARFDebugRnglist : public DWARFListType<RangeListEntry> {
public:
/// Build a DWARFAddressRangesVector from a rangelist.
DWARFAddressRangesVector
getAbsoluteRanges(Optional<object::SectionedAddress> BaseAddr,
uint8_t AddressByteSize,
function_ref<Optional<object::SectionedAddress>(uint32_t)>
LookupPooledAddress) const;
/// Build a DWARFAddressRangesVector from a rangelist.
DWARFAddressRangesVector
getAbsoluteRanges(llvm::Optional<object::SectionedAddress> BaseAddr,
DWARFUnit &U) const;
};
class DWARFDebugRnglistTable : public DWARFListTableBase<DWARFDebugRnglist> {
public:
DWARFDebugRnglistTable()
: DWARFListTableBase(/* SectionName = */ ".debug_rnglists",
/* HeaderString = */ "ranges:",
/* ListTypeString = */ "range") {}
};
} // end namespace llvm
#endif // LLVM_DEBUGINFO_DWARF_DWARFDEBUGRNGLISTS_H
#ifdef __GNUC__
#pragma GCC diagnostic pop
#endif
|