old_contents: # Copyright (c) 2014, Fundacion Dr. Manuel Sadosky
  # All rights reserved.
  
  # Redistribution and use in source and binary forms, with or without
  # modification, are permitted provided that the following conditions are met:
  
  # 1. Redistributions of source code must retain the above copyright notice, this
  # list of conditions and the following disclaimer.
  
  # 2. Redistributions in binary form must reproduce the above copyright notice,
  # this list of conditions and the following disclaimer in the documentation
  # and/or other materials provided with the distribution.
  
  # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  # DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
  # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  # SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  # CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  # OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  
  
  def extract_sign_bit(value, size):
      return value >> (size-1)
  
  def twos_complement(value, size):
      return 2**size - value
  
  def extract_value(main_value, offset, size):
      return (main_value >> offset) & 2**size-1
  
  def insert_value(main_value, value_to_insert, offset, size):
      main_value &= ~((2**size-1) << offset)
      main_value |= (value_to_insert & 2**size-1) << offset
  
      return main_value
  
  class VariableNamer(object):
      """Variable Name Generator."""
  
      def __init__(self, base_name, separator="_", counter=0):
          self._base_name = base_name
          self._counter_init = counter
          self._counter_curr = counter
          self._separator = separator
  
      def get_init(self):
          """Return initial name.
          """
          suffix = self._separator + "%s" % str(self._counter_init)
  
          return self._base_name + suffix
  
      def get_current(self):
          """Return current name.
          """
          suffix = self._separator + "%s" % str(self._counter_curr)
  
          return self._base_name + suffix
  
      def get_next(self):
          """Return next name.
          """
          self._counter_curr += 1
  
          suffix = self._separator + "%s" % str(self._counter_curr)
  
          return self._base_name + suffix
  
      def reset(self):
          """Restart name counter.
          """
          self._counter_curr = self._counter_init
  
new_contents: # Copyright (c) 2014, Fundacion Dr. Manuel Sadosky
  # All rights reserved.
  
  # Redistribution and use in source and binary forms, with or without
  # modification, are permitted provided that the following conditions are met:
  
  # 1. Redistributions of source code must retain the above copyright notice, this
  # list of conditions and the following disclaimer.
  
  # 2. Redistributions in binary form must reproduce the above copyright notice,
  # this list of conditions and the following disclaimer in the documentation
  # and/or other materials provided with the distribution.
  
  # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  # DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
  # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  # SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  # CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  # OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  
  
  def extract_sign_bit(value, size):
      return value >> (size-1)
  
  def twos_complement(value, size):
      return 2**size - value
  
  def extract_value(main_value, offset, size):
      return (main_value >> offset) & 2**size-1
  
  def insert_value(main_value, value_to_insert, offset, size):
      main_value &= ~((2**size-1) << offset)
      main_value |= (value_to_insert & 2**size-1) << offset
  
      return main_value
  
  def to_reil_address(asm_address, offset=0x0):
      return (asm_address << 0x08) | (offset & 0xff)
  
  def to_asm_address(reil_address):
      return reil_address >> 0x08
  
  class VariableNamer(object):
      """Variable Name Generator."""
  
      def __init__(self, base_name, separator="_", counter=0):
          self._base_name = base_name
          self._counter_init = counter
          self._counter_curr = counter
          self._separator = separator
  
      def get_init(self):
          """Return initial name.
          """
          suffix = self._separator + "%s" % str(self._counter_init)
  
          return self._base_name + suffix
  
      def get_current(self):
          """Return current name.
          """
          suffix = self._separator + "%s" % str(self._counter_curr)
  
          return self._base_name + suffix
  
      def get_next(self):
          """Return next name.
          """
          self._counter_curr += 1
  
          suffix = self._separator + "%s" % str(self._counter_curr)
  
          return self._base_name + suffix
  
      def reset(self):
          """Restart name counter.
          """
          self._counter_curr = self._counter_init
  
subject: Add helper functions to utils module