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 
17 namespace lldb_private {
18 
19 class DWARFDataExtractor : public lldb_private::DataExtractor {
20 public:
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 
35 protected:
36   mutable bool m_is_dwarf64;
37 };
38 }
39 
40 #endif // liblldb_DWARFDataExtractor_h_
41