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Re: stack overflow while using sml-mode.el


From: Colin Walters
Subject: Re: stack overflow while using sml-mode.el
Date: 24 Oct 2000 01:21:52 -0400
User-agent: Gnus/5.0808 (Gnus v5.8.8) Emacs/20.7

Eli Zaretskii <address@hidden> writes:

> If your runtime has a good documentation, you should be able to
> compare the value of the $esp register with the symbol which holds
> the stack limit.  Then you will know whether you have a stack
> overflow on your hands.  (Finding the symbol(s) which let you
> compute the stack limit is the part where you need the docs---or the
> sources.)

I'm running Emacs on a GNU/Linux system.  A bit of digging in the
glibc sources turned up __libc_stack_end, so I tried:

(gdb) p $esp - (void *) __libc_stack_end  
$32 = -163724
(gdb) 

Because the stack grows down on ia32, this means it wasn't stack
overflow, correct?  

Unfortunately, right after I did this, gdb crashed, so I won't be able
to extract more information.  I hope I'll be able to reproduce this
bug again later...

Thanks again for all the help.





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