contrib/llvm-project/lldb/source/Plugins/SymbolFile/DWARF/DWARFDebugMacro.h

   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
  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 // SymbolFileDWARF_DWARFDebugMacro_h_