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CALL_FUNCTION, MAKE_FUNCTION

master
Ben Kurtovic 10 years ago
parent
commit
6331c426d2
1 changed files with 11 additions and 2 deletions
  1. +11
    -2
      func_smash.py

+ 11
- 2
func_smash.py View File

@@ -7,6 +7,11 @@ import re
import sys
import types

OPMAP = opcode.opmap
OP_HASCALL = [OPMAP[n] for n in ("CALL_FUNCTION", "CALL_FUNCTION_VAR",
"CALL_FUNCTION_KW", "CALL_FUNCTION_VAR_KW")]
OP_MAKEFUNC = [OPMAP[n] for n in ("MAKE_FUNCTION", "MAKE_CLOSURE")]

MARKOV_START = -1
MARKOV_END = -2

@@ -108,8 +113,10 @@ def _get_argument(codeobj, codestring, i, code):
return codeobj.co_varnames[arg]
elif code in opcode.hascompare:
return opcode.cmp_op[arg]
elif code == opcode.opmap["CALL_FUNCTION"]:
elif code in OP_HASCALL:
return (ord(codestring[i]), ord(codestring[i + 1]))
elif code in OP_MAKEFUNC:
return arg
raise NotImplementedError(code, opcode.opname[code])

def _chain_append(chain, first, second):
@@ -142,9 +149,11 @@ def _make_codes(chain):
_coerce_arg_into_codes(codes, varnames.index(arg))
elif code in opcode.hascompare:
_coerce_arg_into_codes(codes, opcode.cmp_op.index(arg))
elif code == opcode.opmap["CALL_FUNCTION"]:
elif code in OP_HASCALL:
codes.append(arg[0])
codes.append(arg[1])
elif code in OP_MAKEFUNC:
_coerce_arg_into_codes(codes, arg)
else:
raise NotImplementedError(code, opcode.opname[code])
instruction = random.choice(chain[code])


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