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Re: Improved backtrace for s390*.

From: Jakub Jelinek <jakub at redhat dot com>
To: Martin Schwidefsky <schwidefsky at de dot ibm dot com>
Cc: Ulrich Drepper <drepper at redhat dot com>, libc-hacker at sources dot redhat dot com
Date: Thu, 11 Dec 2003 18:16:40 +0100
Subject: Re: Improved backtrace for s390*.
References: <OFAA35B7B1.43D14EB4-ONC1256DF6.0049675F-C1256DF6.0049CAAC@de.ibm.com>
Reply-to: Jakub Jelinek <jakub at redhat dot com>

On Mon, Dec 08, 2003 at 02:26:00PM +0100, Martin Schwidefsky wrote:
> 
> > > 2003-12-05  Martin Schwidefsky  <schwidefsky@de.ibm.com>
> > >
> > >          * sysdeps/s390/s390-32/backtrace.c (trace_arg): New structure.
> > >          (unwind_backtrace, unwind_getip): New variables.
> > >          (init, __backchain_backtrace, backtrace_helper): New
> functions.
> > >          (__backtrace): Use unwind info for backtrace instead of
> backchain
> > >          walking if the unwind functions can be found.
> > >          * sysdeps/s390/s390-64/backtrace.c: Likewise.
> >
> > I assume you tested it.  Applied.  Thanks,
> 
> Yes, I did.

Also with GCC 3.2 or earlier compiled code (which had no
-fasynchronous-unwind-tables by default)?

I think you need something similar to following (which is for IA-32,
not for s390*):

	Jakub

Attachment: backtrace.c
Description: Text document

References:
- Re: Improved backtrace for s390*.
  - From: Martin Schwidefsky

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