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 
21 class DWARFDataExtractor;
22 
23 } // namespace lldb_private
24 
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 lldb_private::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
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 
51 class DWARFDebugMacroEntry {
52 public:
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 // LLDB_SOURCE_PLUGINS_SYMBOLFILE_DWARF_DWARFDEBUGMACRO_H
62