Re: [PATCH] dump_stack() based on prologue code analysis

[Atsushi Nemoto <anemo@mba.ocn.ne.jp>]

On Thu, 27 Jul 2006 21:03:07 +0200, "Franck Bui-Huu" <vagabon.xyz@gmail.com> 
wrote:
> > > +     info.func = (void *)(pc - ofs);
> > > +     info.func_size = ofs;   /* analyze from start to ofs */
> 
> in get_frame_info(), there is the following condition to stop the
> prologue analysis
> 
>               if (info->func_size && i >= info->func_size / 4)
>                       break;
> 
> Setting info.func_size = ofs may trigger this stop condition very
> early, specially if "ofs" is small...I would simply remove this
> condition since it's very empirical and IMHO not very usefull.

Yes, that is what I wanted.  Imagine if a exception happened on first
place on non-leaf function.  In this case, we must assume the function
is leaf since RA is not saved to the stack.

---
Atsushi Nemoto