From:	ao950 AT FreeNet DOT Carleton DOT CA (Paul Derbyshire)
Newsgroups:	comp.os.msdos.djgpp
Subject:	Re: Symify. What are those numbers ?
Date:	30 Jun 1998 04:58:15 GMT
Organization:	The National Capital FreeNet
Lines:	26
Message-ID:	<6n9r97$4fj@freenet-news.carleton.ca>
References:	<199806300400 DOT AAA06419 AT delorie DOT com>
Reply-To:	ao950 AT FreeNet DOT Carleton DOT CA (Paul Derbyshire)
NNTP-Posting-Host:	freenet2.carleton.ca
To:	djgpp AT delorie DOT com
DJ-Gateway:	from newsgroup comp.os.msdos.djgpp

"Guan Foo Wah" (jgfw AT usa DOT net) writes:
> I symify my JGMOD which is compiled with the -g option. When it crash, it
> display this
> 
> Call frame traceback EIPs :
> 
> 0x0003a54d	__mixer_init + 3105
> 0xf86ff85f	___Frame_Begin__ -127389677
> 
> I am wondering, what are 3105 and -127389677 means ??

The 3105 is the offset into __mixer_init of the instruction that tried to
call __Frame_Begin__. The -127389677 means that __mixer_init jumped into
never-never land, missing __Frame_Begin__ by a country klick. You probably
either invoked a method on an address that isn't that of an object, after
a bad cast or through an uninitialized pointer, or else you have a bug in
a jump table of some kind, likely an off-by-1 error involving a call
through a function pointer one past the end of the table...


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Paul Derbyshire  Programmer & Humanist  |  ICQ: 10423848  |  pderbysh AT usa DOT net 

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