def do_switch_or_return(ea):
if ida.is_ret_insn(ea):
return c_ast.Return(None)
else: # switch
try:
sw = ida.switch_cases(ea)
except ida.NoSwitchError:
raise utils.BugError('unhandled jr at ea %s' % ida.atoa(ea))
default = sw.default
defexpr = [c_ast.Default([c_ast.Goto(ida.name(default))])]
cases = list(c_ast.Case(c_ast.Constant('int', str(addr)),
[c_ast.Goto(ida.name(loc))])
for (addr, loc) in sw.cases.iteritems())
(mnem, opnd, opn) = data.get_swval(ea)
swval = fmt_op(opnd, mnem, opn)
return c_ast.Switch(swval, c_ast.Compound(cases + defexpr))
def labelize(ea, stmt):
if from_delay is False:
label = ida.name(ea)
if label != '':
return c_ast.Label(label, stmt)
else:
return stmt
else:
return stmt
def get_callee(ea, mnem, args):
"""ea_t -> str -> formatter_args -> str"""
# XXX we don't handle function pointers yet, but it should be easy now that
# we handle all internal functions as having the same signature...i think
if mnem == "jalr":
nn = ida.netnode("$ mips")
fun = nn.altval(ea) - 1
if fun == -1:
raise FunctionPointerError("unknown target for function pointer at %s" % ida.atoa(ea))
return ida.name(fun)
elif mnem == "jal":
return args["rs"].name
else:
raise utils.BugError("unhandled call insn: %s" % mnem)
def get_callee(ea, mnem, args):
'''ea_t -> str -> formatter_args -> str'''
# XXX we don't handle function pointers yet, but it should be easy now that
# we handle all internal functions as having the same signature...i think
if mnem == 'jalr':
nn = ida.netnode('$ mips')
fun = nn.altval(ea) - 1
if fun == -1:
raise FunctionPointerError('unknown target for function pointer at %s' % ida.atoa(ea))
return ida.name(fun)
elif mnem == 'jal':
return args['rs'].name
else:
raise utils.BugError('unhandled call insn: %s' % mnem)
def get_callee(ea, mnem, args):
'''ea_t -> str -> formatter_args -> str'''
# XXX we don't handle function pointers yet, but it should be easy now that
# we handle all internal functions as having the same signature...i think
if mnem == 'jalr':
nn = ida.netnode('$ mips')
fun = nn.altval(ea) - 1
if fun == -1:
raise FunctionPointerError(
'unknown target for function pointer at %s'
% ida.atoa(ea))
return ida.name(fun)
elif mnem == 'jal':
return args['rs'].name
else:
raise utils.BugError('unhandled call insn: %s' % mnem)
def get_tinfo_and_declstr(ea):
ti = ida.get_or_guess_tinfo(ea)
return (ti, ea, ida.print_tinfo(ida.name(ea), ti))