DWARFDebugMacro.h revision 292932 
1//===-- DWARFDebugMacro.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 SymbolFileDWARF_DWARFDebugMacro_h_
11#define SymbolFileDWARF_DWARFDebugMacro_h_
12
13#include <map>
14
15#include "lldb/lldb-types.h"
16#include "lldb/Core/dwarf.h"
17#include "lldb/Symbol/DebugMacros.h"
18
19namespace lldb_private
20{
21
22class DWARFDataExtractor;
23
24} // namespace lldb_private
25
26class SymbolFileDWARF;
27
28class DWARFDebugMacroHeader
29{
30public:
31    enum HeaderFlagMask
32    {
33        OFFSET_SIZE_MASK = 0x1,
34        DEBUG_LINE_OFFSET_MASK = 0x2,
35        OPCODE_OPERANDS_TABLE_MASK = 0x4
36    };
37
38    static DWARFDebugMacroHeader
39    ParseHeader(const lldb_private::DWARFDataExtractor &debug_macro_data, lldb::offset_t *offset);
40
41    bool
42    OffsetIs64Bit() const
43    {
44        return m_offset_is_64_bit;
45    }
46
47private:
48    static void
49    SkipOperandTable(const lldb_private::DWARFDataExtractor &debug_macro_data, lldb::offset_t *offset);
50
51    uint16_t m_version;
52    bool m_offset_is_64_bit;
53    uint64_t m_debug_line_offset;
54};
55
56class DWARFDebugMacroEntry
57{
58public:
59    static void
60    ReadMacroEntries(const lldb_private::DWARFDataExtractor &debug_macro_data,
61                     const lldb_private::DWARFDataExtractor &debug_str_data,
62                     const bool offset_is_64_bit,
63                     lldb::offset_t *sect_offset,
64                     SymbolFileDWARF *sym_file_dwarf,
65                     lldb_private::DebugMacrosSP &debug_macros_sp);
66};
67
68#endif // SymbolFileDWARF_DWARFDebugMacro_h_
69