Re: Setting conditional breakpoint on Cocoa method?
Re: Setting conditional breakpoint on Cocoa method?
- Subject: Re: Setting conditional breakpoint on Cocoa method?
- From: "Jonathan del Strother" <email@hidden>
- Date: Mon, 28 Jul 2008 09:47:08 +0100
On Mon, Jul 28, 2008 at 8:02 AM, Graham Cox <email@hidden> wrote:
> Once in a blue moon, I get a console message that a nil string was passed to
> [NSConcreteAttributedString initWithString:] I'd like to find out where this
> is coming from by setting a breakpoint there, but only for a nil string.
> Adding the breakpoint as a symbol to the symbolic breakpoints works, but I
> can't set the condition (e.g. aString == nil), since the parameter's name
> isn't available.
>
> What can I do, since this method is called hundreds of times in the normal
> course of things, so just having an unconditional breakpoint isn't very
> useful. Can I specify a register somehow?
>
Take a look at the debugging magic page -
http://developer.apple.com/technotes/tn2004/tn2124.html
I believe you want *(int*)($ebp+16)
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