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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 
17 public:
18  struct Header {
19  uint32_t length; // The total length of the entries for that set, not
20  // including the length field itself.
21  uint16_t version; // The DWARF version number
22  uint32_t cu_offset; // The offset from the beginning of the .debug_info
23  // section of the compilation unit entry referenced by
24  // the table.
25  uint8_t addr_size; // The size in bytes of an address on the target
26  // architecture. For segmented addressing, this is the
27  // size of the offset portion of the address
28  uint8_t seg_size; // The size in bytes of a segment descriptor on the target
29  // architecture. If the target system uses a flat address
30  // space, this value is 0.
31  };
32 
33  struct Descriptor {
36  dw_addr_t end_address() const { return address + length; }
37  };
38 
40  void Clear();
41  void SetOffset(uint32_t offset) { m_offset = offset; }
43  lldb::offset_t *offset_ptr);
44  dw_offset_t FindAddress(dw_addr_t address) const;
45  size_t NumDescriptors() const { return m_arange_descriptors.size(); }
46  const Header &GetHeader() const { return m_header; }
47 
49  return m_arange_descriptors[i];
50  }
51 
52 protected:
53  typedef std::vector<Descriptor> DescriptorColl;
54  typedef DescriptorColl::iterator DescriptorIter;
55  typedef DescriptorColl::const_iterator DescriptorConstIter;
56 
59  DescriptorColl m_arange_descriptors;
60 };
61 
62 #endif // LLDB_SOURCE_PLUGINS_SYMBOLFILE_DWARF_DWARFDEBUGARANGESET_H
void SetOffset(uint32_t offset)
dw_offset_t FindAddress(dw_addr_t address) const
DescriptorColl::iterator DescriptorIter
llvm::Error Error
size_t NumDescriptors() const
uint64_t dw_addr_t
Definition: dwarf.h:26
const Descriptor & GetDescriptorRef(uint32_t i) const
uint64_t offset_t
Definition: lldb-types.h:87
const Header & GetHeader() const
llvm::Error extract(const lldb_private::DWARFDataExtractor &data, lldb::offset_t *offset_ptr)
DescriptorColl m_arange_descriptors
DescriptorColl::const_iterator DescriptorConstIter
std::vector< Descriptor > DescriptorColl