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Import LLDB as of upstream SVN r225923 (git 2b588ecd)
[FreeBSD/FreeBSD.git] / source / Plugins / SymbolFile / DWARF / DWARFDataExtractor.h
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 {
21 public:
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
39 protected:
40     mutable bool m_is_dwarf64;
41 };
42
43 }
44
45 #endif  // liblldb_DWARFDataExtractor_h_                                 
46