def crash_in_jit(e):
tb = not we_are_translated() and sys.exc_info()[2]
try:
raise e
except jitexc.JitException:
raise # go through
except MemoryError:
raise # go through
except StackOverflow:
raise # go through
except Exception, e:
if not we_are_translated():
print "~~~ Crash in JIT!"
print '~~~ %s: %s' % (e.__class__, e)
if sys.stdout == sys.__stdout__:
import pdb; pdb.post_mortem(tb)
raise e.__class__, e, tb
fatalerror('~~~ Crash in JIT! %s' % (e,))
def crash_in_jit(e):
tb = not we_are_translated() and sys.exc_info()[2]
try:
raise e
except jitexc.JitException:
raise # go through
except MemoryError:
raise # go through
except StackOverflow:
raise # go through
except Exception, e:
if not we_are_translated():
print "~~~ Crash in JIT!"
print '~~~ %s: %s' % (e.__class__, e)
if sys.stdout == sys.__stdout__:
import pdb; pdb.post_mortem(tb)
raise e.__class__, e, tb
fatalerror('~~~ Crash in JIT! %s' % (e,))
def portal(codeno, frame):
print 'ENTER:', codeno, frame.thing.val
i = 0
while i < 10:
driver.can_enter_jit(frame=frame, codeno=codeno, i=i)
driver.jit_merge_point(frame=frame, codeno=codeno, i=i)
nextval = frame.thing.val
if codeno == 0:
subframe = Frame()
subframe.thing = Thing(nextval)
nextval = portal(1, subframe)
elif codeno == 1:
if frame.thing.val > 40:
change(Thing(13))
nextval = 13
else:
fatalerror("bad codeno = " + str(codeno))
frame.thing = Thing(nextval + 1)
i += 1
print 'LEAVE:', codeno, frame.thing.val
return frame.thing.val
def from_ref(space, ref):
"""
Finds the interpreter object corresponding to the given reference. If the
object is not yet realized (see bytesobject.py), creates it.
"""
assert is_pyobj(ref)
if not ref:
return None
w_obj = rawrefcount.to_obj(W_Root, ref)
if w_obj is not None:
if w_obj is not w_marker_deallocating:
return w_obj
type_name = rffi.charp2str(cts.cast('char*', ref.c_ob_type.c_tp_name))
fatalerror(
"*** Invalid usage of a dying CPython object ***\n"
"\n"
"cpyext, the emulation layer, detected that while it is calling\n"
"an object's tp_dealloc, the C code calls back a function that\n"
"tries to recreate the PyPy version of the object. Usually it\n"
"means that tp_dealloc calls some general PyXxx() API. It is\n"
"a dangerous and potentially buggy thing to do: even in CPython\n"
"the PyXxx() function could, in theory, cause a reference to the\n"
"object to be taken and stored somewhere, for an amount of time\n"
"exceeding tp_dealloc itself. Afterwards, the object will be\n"
"freed, making that reference point to garbage.\n"
">>> PyPy could contain some workaround to still work if\n"
"you are lucky, but it is not done so far; better fix the bug in\n"
"the CPython extension.\n"
">>> This object is of type '%s'" % (type_name, ))
# This reference is not yet a real interpreter object.
# Realize it.
ref_type = rffi.cast(PyObject, ref.c_ob_type)
if ref_type == ref: # recursion!
raise InvalidPointerException(str(ref))
w_type = from_ref(space, ref_type)
assert isinstance(w_type, W_TypeObject)
return get_typedescr(w_type.layout.typedef).realize(space, ref)
def from_ref(space, ref):
"""
Finds the interpreter object corresponding to the given reference. If the
object is not yet realized (see bytesobject.py), creates it.
"""
assert is_pyobj(ref)
if not ref:
return None
w_obj = rawrefcount.to_obj(W_Root, ref)
if w_obj is not None:
if w_obj is not w_marker_deallocating:
return w_obj
fatalerror(
"*** Invalid usage of a dying CPython object ***\n"
"\n"
"cpyext, the emulation layer, detected that while it is calling\n"
"an object's tp_dealloc, the C code calls back a function that\n"
"tries to recreate the PyPy version of the object. Usually it\n"
"means that tp_dealloc calls some general PyXxx() API. It is\n"
"a dangerous and potentially buggy thing to do: even in CPython\n"
"the PyXxx() function could, in theory, cause a reference to the\n"
"object to be taken and stored somewhere, for an amount of time\n"
"exceeding tp_dealloc itself. Afterwards, the object will be\n"
"freed, making that reference point to garbage.\n"
">>> PyPy could contain some workaround to still work if\n"
"you are lucky, but it is not done so far; better fix the bug in\n"
"the CPython extension.")
# This reference is not yet a real interpreter object.
# Realize it.
ref_type = rffi.cast(PyObject, ref.c_ob_type)
if ref_type == ref: # recursion!
raise InvalidPointerException(str(ref))
w_type = from_ref(space, ref_type)
assert isinstance(w_type, W_TypeObject)
return get_typedescr(w_type.layout.typedef).realize(space, ref)
def do_assert_not_none(cpu, _, box):
if not box.getref_base():
fatalerror("found during JITting: ll_assert_not_none() failed")
def out_of_memory(errmsg):
"""Signal a fatal out-of-memory error and abort. For situations where
it is hard to write and test code that would handle a MemoryError
exception gracefully.
"""
fatalerror(errmsg)
def out_of_memory(errmsg):
"""Signal a fatal out-of-memory error and abort. For situations where
it is hard to write and test code that would handle a MemoryError
exception gracefully.
"""
fatalerror(errmsg)
