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https://github.com/cea-sec/miasm
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manwefm
29 lines
701 B
Python
29 lines
701 B
Python
from miasm2.arch.x86.arch import mn_x86
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from miasm2.expression.expression import get_rw
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from miasm2.arch.x86.ira import ir_a_x86_32
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print """
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Simple expression manipulation demo.
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Get read/written registers for a given instruction
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"""
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arch = mn_x86
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ir_arch = ir_a_x86_32()
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l = arch.fromstring('LODSB', 32)
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l.offset, l.l = 0, 15
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ir_arch.add_instr(l)
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print '*' * 80
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for lbl, irblock in ir_arch.blocks.iteritems():
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print irblock
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for assignblk in irblock:
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rw = assignblk.get_rw()
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for dst, reads in rw.iteritems():
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print 'read: ', [str(x) for x in reads]
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print 'written:', dst
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print
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open('graph_instr.dot', 'w').write(ir_arch.graph.dot())
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