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from miasm2.core.asmbloc import asm_constraint, asm_label, disasmEngine
from miasm2.expression.expression import ExprId
from arch import mn_x86
def cb_x86_callpop(mn, attrib, pool_bin, cur_bloc, offsets_to_dis, symbol_pool):
"""
1000: call 1005
1005: pop
Will give:
1000: push 1005
1005: pop
"""
if len(cur_bloc.lines) < 1:
return
l = cur_bloc.lines[-1]
if l.name != 'CALL':
return
dst = l.args[0]
if not (isinstance(dst, ExprId) and isinstance(dst.name, asm_label)):
return
if dst.name.offset != l.offset + l.l:
return
l.name = 'PUSH'
cur_bloc.bto = set()
cur_bloc.add_cst(dst.name.offset, asm_constraint.c_next, symbol_pool)
cb_x86_funcs = [cb_x86_callpop]
def cb_x86_disasm(mn, attrib, pool_bin, cur_bloc, offsets_to_dis, symbol_pool):
for func in cb_x86_funcs:
func(mn, attrib, pool_bin, cur_bloc, offsets_to_dis, symbol_pool)
class dis_x86(disasmEngine):
attrib = None
def __init__(self, bs=None, **kwargs):
super(dis_x86, self).__init__(mn_x86, self.attrib, bs, **kwargs)
self.dis_bloc_callback = cb_x86_disasm
class dis_x86_16(dis_x86):
attrib = 16
class dis_x86_32(dis_x86):
attrib = 32
class dis_x86_64(dis_x86):
attrib = 64
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