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Script to convert retdec disassembly output into GNU as input
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#!/usr/bin/env python3 | |
import sys, argparse, re | |
#0x438e1d: 8b 45 84 mov eax, dword ptr [ebp - 0x7c] | |
#0x402a4c: cc cc cc cc |.... | | |
re_line = re.compile(r'''^0x([0-9a-f]+): ((?:[0-9a-f][0-9a-f] ?){1,}) *\t(.*)$''') | |
re_hex = re.compile(r'''^0x([0-9a-f]+): ((?:[0-9a-f?][0-9a-f?] ?){1,}) *\|(.{16})\|(.*)$''') | |
def run(): | |
ap = argparse.ArgumentParser() | |
ap.add_argument('input-file') | |
args = vars(ap.parse_args()) | |
with open(args['input-file'], 'r') as f: | |
for L in f: | |
L = L.rstrip('\r\n') | |
if L == '': | |
continue | |
if L.startswith('; section: '): | |
secName = L[11:] | |
print('.section %s' % secName) | |
continue | |
if L[0] == ';': | |
print('#'+L[1:]) | |
continue | |
m = re_line.match(L) | |
if m: | |
addr = m.group(1) | |
mcode = ['0x'+x for x in m.group(2).strip(' ').replace(' ',' ').split(' ')] | |
disasm = m.group(3) | |
s = '.byte %s' % ','.join(mcode) | |
s = s.ljust(62,' ') | |
s += '#%s; %s' % (addr, disasm) | |
print(s) | |
continue | |
m = re_hex.match(L) | |
if m: | |
addr = m.group(1) | |
mcode = ['0x'+x for x in m.group(2).strip(' ').replace(' ',' ').split(' ')] | |
hexdump = m.group(3) | |
comment = m.group(4) | |
s = '.byte %s' % ','.join(mcode) | |
s = s.ljust(90,' ') | |
s += '#%s;|%s|%s' % (addr, hexdump, comment) | |
print(s) | |
continue | |
print('NOMATCH: %s' % L) | |
return 0 | |
if __name__ == '__main__': | |
sys.exit(run()) |
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