source/Plugins/SymbolFile/DWARF/DWARFDebugMacro.h

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