DWARFDebugMacro.h revision 360660 
1//===-- DWARFDebugMacro.h ----------------------------------------*- C++
2//-*-===//
3//
4// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
5// See https://llvm.org/LICENSE.txt for license information.
6// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7//
8//===----------------------------------------------------------------------===//
9
10#ifndef SymbolFileDWARF_DWARFDebugMacro_h_
11#define SymbolFileDWARF_DWARFDebugMacro_h_
12
13#include <map>
14
15#include "lldb/Core/dwarf.h"
16#include "lldb/Symbol/DebugMacros.h"
17#include "lldb/lldb-types.h"
18
19namespace lldb_private {
20
21class DWARFDataExtractor;
22
23} // namespace lldb_private
24
25class SymbolFileDWARF;
26
27class DWARFDebugMacroHeader {
28public:
29  enum HeaderFlagMask {
30    OFFSET_SIZE_MASK = 0x1,
31    DEBUG_LINE_OFFSET_MASK = 0x2,
32    OPCODE_OPERANDS_TABLE_MASK = 0x4
33  };
34
35  static DWARFDebugMacroHeader
36  ParseHeader(const lldb_private::DWARFDataExtractor &debug_macro_data,
37              lldb::offset_t *offset);
38
39  bool OffsetIs64Bit() const { return m_offset_is_64_bit; }
40
41private:
42  static void
43  SkipOperandTable(const lldb_private::DWARFDataExtractor &debug_macro_data,
44                   lldb::offset_t *offset);
45
46  uint16_t m_version;
47  bool m_offset_is_64_bit;
48  uint64_t m_debug_line_offset;
49};
50
51class DWARFDebugMacroEntry {
52public:
53  static void
54  ReadMacroEntries(const lldb_private::DWARFDataExtractor &debug_macro_data,
55                   const lldb_private::DWARFDataExtractor &debug_str_data,
56                   const bool offset_is_64_bit, lldb::offset_t *sect_offset,
57                   SymbolFileDWARF *sym_file_dwarf,
58                   lldb_private::DebugMacrosSP &debug_macros_sp);
59};
60
61#endif // SymbolFileDWARF_DWARFDebugMacro_h_
62