DWARFDataExtractor.h revision 280031 
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
20{
21public:
22    DWARFDataExtractor() : DataExtractor(), m_is_dwarf64(false) { };
23
24    DWARFDataExtractor (const DWARFDataExtractor& data, lldb::offset_t offset, lldb::offset_t length) :
25      DataExtractor(data, offset, length), m_is_dwarf64(false) { };
26
27    uint64_t
28    GetDWARFInitialLength(lldb::offset_t *offset_ptr) const;
29
30    dw_offset_t
31    GetDWARFOffset(lldb::offset_t *offset_ptr) const;
32
33    size_t
34    GetDWARFSizeofInitialLength() const { return m_is_dwarf64 ? 12 : 4; }
35
36    bool
37    IsDWARF64() const { return m_is_dwarf64; }
38
39protected:
40    mutable bool m_is_dwarf64;
41};
42
43}
44
45#endif  // liblldb_DWARFDataExtractor_h_
46
47