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#!/usr/bin/env python
# This script is useful for taking the output of memdump() and
# converting it back into binary output. This can be useful, for
# example, when one wants to push that data into other tools like
# objdump or hexdump.
#
# (C) Copyright 2010 Kevin O'Connor <kevin@koconnor.net>
#
# This file may be distributed under the terms of the GNU GPLv3 license.
import sys
import struct
def unhex(str):
return int(str, 16)
def parseMem(filehdl):
mem = []
for line in filehdl:
parts = line.split(':')
if len(parts) < 2:
continue
try:
vaddr = unhex(parts[0])
parts = parts[1].split()
mem.extend([unhex(v) for v in parts])
except ValueError:
continue
return mem
def printUsage():
sys.stderr.write("Usage:\n %s <file | ->\n"
% (sys.argv[0],))
sys.exit(1)
def main():
if len(sys.argv) != 2:
printUsage()
filename = sys.argv[1]
if filename == '-':
filehdl = sys.stdin
else:
filehdl = open(filename, 'r')
mem = parseMem(filehdl)
for i in mem:
if (sys.version_info > (3, 0)):
sys.stdout.buffer.write(struct.pack("<I", i))
else:
sys.stdout.write(struct.pack("<I", i))
if __name__ == '__main__':
main()
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