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#!/usr/bin/python3
# -*- coding: utf-8 -*-
import sys
import pychrysalide
from pychrysalide.analysis.contents import FileContent
from pychrysalide.format.elf import ElfFormat
from pychrysalide.analysis import LoadedBinary
if len(sys.argv) != 2:
print('Usage: %s <elf binary>' % sys.argv[0])
sys.exit(1)
# Load the provided binary
cnt = FileContent(sys.argv[1])
fmt = ElfFormat(cnt)
binary = LoadedBinary(fmt)
binary.analyze_and_wait()
# Compute some stats
ins_count = 0
opsize_0 = 0
opsize_1 = 0
srcsz_0 = 0
srcsz_1 = 0
destsz_0 = 0
destsz_1 = 0
for ins in binary.processor.instrs:
ins_count += 1
size = len(ins.operands)
if size == 0:
opsize_0 += 1
elif size == 1:
opsize_1 += 1
size = len(ins.sources)
if size == 0:
srcsz_0 += 1
elif size == 1:
srcsz_1 += 1
size = len(ins.destinations)
if size == 0:
destsz_0 += 1
elif size == 1:
destsz_1 += 1
# Display the results
print('=== Collected %d instructions ===' % ins_count)
print('No operand: %u' % opsize_0)
print('One operand: %u' % opsize_1)
print('No source: %u' % srcsz_0)
print('One source: %u' % srcsz_1)
print('No destination: %u' % destsz_0)
print('One destination: %u' % destsz_1)
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