mirror of
https://github.com/cea-sec/miasm
synced 2026-06-21 13:48:18 +00:00
serpilliere
ed5c3668cc
* API has changed, so old scripts need updates * See example for API usage * Use tcc or llvm for jit emulation * Go to test and run test_all.py to check install Enjoy !
69 lines
1.6 KiB
Python
69 lines
1.6 KiB
Python
from miasm2.expression.expression import *
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"""
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Quick implementation of miasm traduction to stp langage
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TODO XXX: finish
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"""
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def ExprInt_strcst(self):
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b = bin(int(self.arg))[2::][::-1]
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b += "0" * self.size
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b = b[:self.size][::-1]
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return "0bin" + b
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def ExprId_strcst(self):
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return self.name
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def genop(op, size, a, b):
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return op + '(' + str(size) + ',' + a + ', ' + b + ')'
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def genop_nosize(op, size, a, b):
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return op + '(' + a + ', ' + b + ')'
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def ExprOp_strcst(self):
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op = self.op
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op_dct = {"|": " | ",
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"&": " & "}
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if op in op_dct:
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return '(' + op_dct[op].join([x.strcst() for x in self.args]) + ')'
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op_dct = {"-": "BVUMINUS"}
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if op in op_dct:
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return op_dct[op] + '(' + self.args[0].strcst() + ')'
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op_dct = {"^": ("BVXOR", genop_nosize),
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"+": ("BVPLUS", genop)}
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if not op in op_dct:
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raise ValueError('implement op', op)
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op, f = op_dct[op]
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args = [x.strcst() for x in self.args][::-1]
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a = args.pop()
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b = args.pop()
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size = self.args[0].size
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out = f(op, size, a, b)
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while args:
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out = f(op, size, out, args.pop())
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return out
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def ExprSlice_strcst(self):
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return '(' + self.arg.strcst() + ')[%d:%d]' % (self.stop - 1, self.start)
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def ExprCond_strcst(self):
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cond = self.cond.strcst()
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src1 = self.src1.strcst()
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src2 = self.src2.strcst()
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return "(IF %s=(%s) THEN %s ELSE %s ENDIF)" % (
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"0bin%s" % ('0' * self.cond.size), cond, src2, src1)
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ExprInt.strcst = ExprInt_strcst
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ExprId.strcst = ExprId_strcst
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ExprOp.strcst = ExprOp_strcst
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ExprCond.strcst = ExprCond_strcst
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ExprSlice.strcst = ExprSlice_strcst
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