mirror of
https://github.com/cea-sec/miasm
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serpilliere
5dec442348
exprsliceto is only used in exprcompose, so it can be removed from IL representation, and exprcompose will deal start/stop fields WARNING: as IL is modified, it may break a lot of scripts
26 lines
483 B
Python
26 lines
483 B
Python
from miasm.arch.ia32_sem import *
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from miasm.expression.expression_helper import *
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print 'simple expression simplification demo'
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print
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a = ExprId('eax')
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b = ExprId('ebx')
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c = a + b
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d = c - a
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print d
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# ((eax + ebx) - eax)
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print "=>", expr_simp(d)
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print
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# ebx
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e = ExprInt(uint32(0x12)) + ExprInt(uint32(0x30)) - a
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print e
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# ((0x12 + 0x30) - eax)
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print "=>", expr_simp(e)
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# (0x42 - eax)
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o = ExprCompose([(a[:8], 0, 8),
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(a[8:16], 8, 16)])
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print o
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print expr_simp(o)
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