DWARFDataExtractor.h revision 314564 
1//===-- DWARFDataExtractor.h ------------------------------------*- C++ -*-===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9
10#ifndef liblldb_DWARFDataExtractor_h_
11#define liblldb_DWARFDataExtractor_h_
12
13// Other libraries and framework includes.
14#include "lldb/Core/DataExtractor.h"
15#include "lldb/Core/dwarf.h"
16
17namespace lldb_private {
18
19class DWARFDataExtractor : public lldb_private::DataExtractor {
20public:
21  DWARFDataExtractor() : DataExtractor(), m_is_dwarf64(false) {}
22
23  DWARFDataExtractor(const DWARFDataExtractor &data, lldb::offset_t offset,
24                     lldb::offset_t length)
25      : DataExtractor(data, offset, length), m_is_dwarf64(false) {}
26
27  uint64_t GetDWARFInitialLength(lldb::offset_t *offset_ptr) const;
28
29  dw_offset_t GetDWARFOffset(lldb::offset_t *offset_ptr) const;
30
31  size_t GetDWARFSizeofInitialLength() const { return m_is_dwarf64 ? 12 : 4; }
32
33  bool IsDWARF64() const { return m_is_dwarf64; }
34
35protected:
36  mutable bool m_is_dwarf64;
37};
38}
39
40#endif // liblldb_DWARFDataExtractor_h_
41