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 LLDB_SOURCE_PLUGINS_SYMBOLFILE_DWARF_DWARFDEBUGMACRO_H
11 #define LLDB_SOURCE_PLUGINS_SYMBOLFILE_DWARF_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 
19 namespace lldb_private {
20 class DWARFDataExtractor;
21 }
22 
23 namespace lldb_private::plugin {
24 namespace dwarf {
25 class SymbolFileDWARF;
26 
27 class DWARFDebugMacroHeader {
28 public:
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 DWARFDataExtractor &debug_macro_data,
37               lldb::offset_t *offset);
38 
39   bool OffsetIs64Bit() const { return m_offset_is_64_bit; }
40 
41 private:
42   static void SkipOperandTable(const DWARFDataExtractor &debug_macro_data,
43                                lldb::offset_t *offset);
44 
45   uint16_t m_version = 0;
46   bool m_offset_is_64_bit = false;
47   uint64_t m_debug_line_offset = 0;
48 };
49 
50 class DWARFDebugMacroEntry {
51 public:
52   static void ReadMacroEntries(const DWARFDataExtractor &debug_macro_data,
53                                const DWARFDataExtractor &debug_str_data,
54                                const bool offset_is_64_bit,
55                                lldb::offset_t *sect_offset,
56                                SymbolFileDWARF *sym_file_dwarf,
57                                DebugMacrosSP &debug_macros_sp);
58 };
59 } // namespace dwarf
60 } // namespace lldb_private::plugin
61 
62 #endif // LLDB_SOURCE_PLUGINS_SYMBOLFILE_DWARF_DWARFDEBUGMACRO_H
63