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#!/usr/bin/python3
# -*- coding: utf-8 -*-
import sys
import pychrysalide
from pychrysalide.analysis.contents import FileContent
from pychrysalide.format.dex import DexFormat
from pychrysalide.analysis import LoadedBinary
from threading import Event
if len(sys.argv) != 2:
print('Usage: %s <dex classes>' % sys.argv[0])
sys.exit(1)
# Load the provided binary
cnt = FileContent(sys.argv[1])
fmt = DexFormat(cnt)
binary = LoadedBinary(fmt)
binary.analyze_and_wait()
# Compute some stats
raw = [ "dn", "db", "dw", "dd", "dq" ]
collected = { }
max_len = 0
ins_count = 0
for ins in binary.processor.instrs:
if ins.keyword in raw:
continue
if len(ins.keyword) > max_len:
max_len = len(ins.keyword)
ins_count += 1
if ins.keyword in collected.keys():
collected[ins.keyword] += 1
else:
collected[ins.keyword] = 1
# Display the results
stats = [ (k, v) for k, v in collected.items() ]
stats = sorted(stats, key = lambda s: s[1], reverse = True)
print('=== Collected %d instructions ===' % ins_count)
for s in stats:
print(' %s %d (%d%%)' % (s[0].ljust(max_len + 2, '.'), s[1], (s[1] * 100) / ins_count))
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