tools/elftosb/common/Value.cpp

   1 /*
   2  * File:        Value.cpp
   3  *
   4  * Copyright (c) Freescale Semiconductor, Inc. All rights reserved.
   5  * See included license file for license details.
   6  */
   7
   8 #include "Value.h"
   9
  10 using namespace elftosb;
  11
  12 //! Returns a varying size depending on the word size attribute.
  13 //!
  14 size_t SizedIntegerValue::getSize() const
  15 {
  16         switch (m_size)
  17         {
  18                 case kWordSize:
  19                         return sizeof(uint32_t);
  20                 case kHalfWordSize:
  21                         return sizeof(uint16_t);
  22                 case kByteSize:
  23                         return sizeof(uint8_t);
  24         }
  25         return kWordSize;
  26 }
  27
  28 //! The resulting mask can be used to truncate the integer value to be
  29 //! certain it doesn't extend beyond the associated word size.
  30 uint32_t SizedIntegerValue::getWordSizeMask() const
  31 {
  32         switch (m_size)
  33         {
  34                 case kWordSize:
  35                         return 0xffffffff;
  36                 case kHalfWordSize:
  37                         return 0x0000ffff;
  38                 case kByteSize:
  39                         return 0x000000ff;
  40         }
  41         return 0;
  42 }
  43