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


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', 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())