contrib/llvm/tools/lldb/source/Plugins/SymbolFile/DWARF/DWARFDataExtractor.cpp

   1 //===-- DWARFDataExtractor.cpp ----------------------------------*- C++ -*-===//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file is distributed under the University of Illinois Open Source
   6 // License. See LICENSE.TXT for details.
   7 //
   8 //===----------------------------------------------------------------------===//
   9
  10 #include "DWARFDataExtractor.h"
  11
  12 namespace lldb_private {
  13
  14 uint64_t
  15 DWARFDataExtractor::GetDWARFInitialLength(lldb::offset_t *offset_ptr) const
  16 {
  17     uint64_t length = GetU32(offset_ptr);
  18     m_is_dwarf64 = (length == UINT32_MAX);
  19     if (m_is_dwarf64)
  20         length = GetU64(offset_ptr);
  21     return length;
  22 }
  23
  24 dw_offset_t
  25 DWARFDataExtractor::GetDWARFOffset(lldb::offset_t *offset_ptr) const
  26 {
  27     return GetMaxU64(offset_ptr, m_is_dwarf64 ? 8 : 4);
  28 }
  29
  30 }