since my smoketest failed again today, i've distracted myself a bit with
GDB Python scripting, the result of which is a command that can break
when an exception is thrown, but only if a certain function (which is
given as parameter) is on the stack.
seems to work, but it is quite slow: finding the smoketest exception in
SfxBaseModel::getTitle takes GDB 4 minutes of CPU time.
now probably somebody will tell me that i'm too stupid to RTFM and there
is a much simpler way to do this :)
regards,
michael
import gdb
class FunCatchpoint (gdb.Breakpoint):
#__init__ spec [type] [wp_class] [internal]
def __init__(self, arg):
super (FunCatchpoint, self).__init__("__cxa_throw")
self.active = arg
def stop (self):
# print "stop called for: " + self.active
frame = gdb.newest_frame()
while frame:
# print frame.name()
if frame.name() == self.active:
return True
frame = frame.older()
return False
class FunCatch(gdb.Command):
"""catch exceptions (but only when inside the given function)
example: fcatch SfxBaseModel::getTitle"""
def __init__ (self):
super (FunCatch, self).__init__ (
"fcatch", gdb.COMMAND_BREAKPOINTS)
#not a good idea: need names, not symbols, gdb.COMPLETE_SYMBOL)
def invoke (self, arg, from_tty):
FunCatchpoint(arg)
FunCatch()
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