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from miasm2.arch.x86.arch import mn_x86
from miasm2.expression.expression import get_rw
from miasm2.arch.x86.ira import ir_a_x86_32
from miasm2.core.locationdb import LocationDB
loc_db = LocationDB()
print """
Simple expression manipulation demo.
Get read/written registers for a given instruction
"""
arch = mn_x86
ir_arch = ir_a_x86_32()
l = arch.fromstring('LODSB', loc_db, 32)
l.offset, l.l = 0, 15
ir_arch.add_instr(l)
print '*' * 80
for lbl, irblock in ir_arch.blocks.iteritems():
print irblock
for assignblk in irblock:
rw = assignblk.get_rw()
for dst, reads in rw.iteritems():
print 'read: ', [str(x) for x in reads]
print 'written:', dst
print
open('graph_instr.dot', 'w').write(ir_arch.graph.dot())
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