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DWARFDebugArangeSet.h
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1//===-- DWARFDebugArangeSet.h -----------------------------------*- C++ -*-===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9#ifndef LLDB_SOURCE_PLUGINS_SYMBOLFILE_DWARF_DWARFDEBUGARANGESET_H
10#define LLDB_SOURCE_PLUGINS_SYMBOLFILE_DWARF_DWARFDEBUGARANGESET_H
11
12#include "lldb/Core/dwarf.h"
13#include <cstdint>
14#include <vector>
15
17public:
18 struct Header {
19 /// The total length of the entries for that set, not including the length
20 /// field itself.
22 /// The DWARF version number.
24 /// The offset from the beginning of the .debug_info section of the
25 /// compilation unit entry referenced by the table.
27 /// The size in bytes of an address on the target architecture. For
28 /// segmented addressing, this is the size of the offset portion of the
29 /// address.
30 uint8_t addr_size = 0;
31 /// The size in bytes of a segment descriptor on the target architecture.
32 /// If the target system uses a flat address space, this value is 0.
33 uint8_t seg_size = 0;
34 };
35
36 struct Descriptor {
39 dw_addr_t end_address() const { return address + length; }
40 };
41
43 void Clear();
44 void SetOffset(uint32_t offset) { m_offset = offset; }
45 llvm::Error extract(const lldb_private::DWARFDataExtractor &data,
46 lldb::offset_t *offset_ptr);
47 dw_offset_t FindAddress(dw_addr_t address) const;
48 size_t NumDescriptors() const { return m_arange_descriptors.size(); }
49 const Header &GetHeader() const { return m_header; }
52 return m_arange_descriptors[i];
53 }
54
55protected:
56 typedef std::vector<Descriptor> DescriptorColl;
57 typedef DescriptorColl::iterator DescriptorIter;
58 typedef DescriptorColl::const_iterator DescriptorConstIter;
59
64};
65
66#endif // LLDB_SOURCE_PLUGINS_SYMBOLFILE_DWARF_DWARFDEBUGARANGESET_H
DescriptorColl m_arange_descriptors
DescriptorColl::const_iterator DescriptorConstIter
std::vector< Descriptor > DescriptorColl
DescriptorColl::iterator DescriptorIter
size_t NumDescriptors() const
dw_offset_t FindAddress(dw_addr_t address) const
dw_offset_t GetNextOffset() const
const Descriptor & GetDescriptorRef(uint32_t i) const
const Header & GetHeader() const
void SetOffset(uint32_t offset)
llvm::Error extract(const lldb_private::DWARFDataExtractor &data, lldb::offset_t *offset_ptr)
uint64_t dw_addr_t
Definition: dwarf.h:29
uint64_t offset_t
Definition: lldb-types.h:87
uint8_t seg_size
The size in bytes of a segment descriptor on the target architecture.
uint16_t version
The DWARF version number.
uint32_t cu_offset
The offset from the beginning of the .debug_info section of the compilation unit entry referenced by ...
uint32_t length
The total length of the entries for that set, not including the length field itself.
uint8_t addr_size
The size in bytes of an address on the target architecture.