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#!/usr/bin/python
# -*- coding: utf-8 -*-
import argparse
import sys
# from pychrysalide.features import *
from pychrysalide.analysis.contents import FileContent
from pychrysalide.analysis import StudyProject
from pychrysalide.arch import ArchInstruction
from pychrysalide.core import wait_for_all_global_works
def link_type_to_str(t):
links = [ getattr(ArchInstruction, a) for a in dir(ArchInstruction) if a.startswith('ILT_') ]
return str(links[links.index(t)])[4:]
def show_block(blk, grp):
first, last = blk.boundaries
#misc = '*' if len(first.sources) == 0 else ' '
misc = ' [%u]' % blk.rank
print('%s Block @ 0x%x: %s - %s' % (misc, first.range.addr.phys, first.keyword, last.keyword), end='')
for db, dt in blk.destinations:
print(' |-> 0x%x (%s)' % (db.boundaries[0].range.addr.phys, link_type_to_str(dt)), end='')
print()
if __name__ == '__main__':
title = '%s - Show basic blocks of a given function.' % sys.argv[0]
parser = argparse.ArgumentParser(description=title, add_help=False)
parser.add_argument('-h', '--help', action='store_true', help='Display the command line options understood by %s.' % sys.argv[0])
parser.add_argument('binfile', type=str, help='The object file to be examined')
parser.add_argument('fname', type=str, help='The analyzed function to display')
args = parser.parse_args()
if args.help:
parser.print_help()
sys.exit(1)
prj = StudyProject()
cnt = FileContent(args.binfile)
prj.discover(cnt)
wait_for_all_global_works()
binary = prj.contents[0]
sym = binary.format.find_symbol_by_label(args.fname)
if not(sym):
print('Function "%s" not found!' % args.fname)
sys.exit(1)
for bb in sym.basic_blocks:
show_block(bb, sym.basic_blocks)
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