From:	Pog <Pog AT hotmail DOT com>
Newsgroups:	comp.os.msdos.djgpp
Subject:	Re: Getting a call frame trace back
Date:	Fri, 05 Dec 1997 13:42:39 +1100
Organization:	NetEffect Internet
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Message-ID:	<34876A1E.5A46D88E@hotmail.com>
References:	<34863E35 DOT B72B65DD AT hotmail DOT com> <6jDg1cf88gB AT prg DOT hannover DOT sgh-net DOT de>
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To:	djgpp AT delorie DOT com
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Mark Junker wrote:

> Prev. Author: Pog AT hotmail DOT com
>       Date:   04.12.97
>       Subject:"Getting a call frame trace back"
>
> > How do I go about getting a call frame trace back?
> > All help GREATLY appreciated.
>
> mov ebx,ebp
> .repeat
>   mov eax,[ebx+4]
>   mov ebx,[ebx]
>   push ebx
>   push ebx
>   push eax
>   call _prt_info ;extern "C" void prt_info(void* pCaller, void* pBaseStack)
>   add esp,8
>   pop ebx
> .until [ptr_of_ebp_before_we_called_main] != ebx
>
> You only have to do conversion to AT&T syntax and find out what value
> should be stored at "ptr_of_ebp_before_we_called_main".
>
> Regards, MJS
> Use it: _PB3.2 & PREP_ / _ASM & PREASM_ / _NASM & FLINK_

Thanks for the help!
  Unfortunatly though my ASM skills are let ting me down, so I was wondering if
an explanation of exactly how it works could be given?

Thanks...

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