From: Stefan Monnier <monnier@iro.umontreal.ca>
To: help-gnu-emacs@gnu.org
Subject: Re: How to exit out of a function ? what is try-catch-throw in terms of Program Counter
Date: Tue, 23 Oct 2007 21:09:44 -0400 [thread overview]
Message-ID: <jwv8x5twccf.fsf-monnier+gnu.emacs.help@gnu.org> (raw)
In-Reply-To: 1193158478.891306.149890@v23g2000prn.googlegroups.com
> Anyone, care to show how this translates into assembly after we deal
> thoroughly with this in the context of C ?
I believe that one way to look at setjmp/longjmp in C is that setjmp saves
a copy of the registers (most importantly PC and SP) and longjmp uses that
copy to jump back to the corresponding point in the program (and stack
activation).
Stefan
next prev parent reply other threads:[~2007-10-24 1:09 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-20 20:45 How to exit out of a function ? what is try-catch-throw in terms of Program Counter gnuist006
2007-10-20 20:57 ` gnuist006
2007-10-20 22:55 ` Alf P. Steinbach
2007-10-23 18:06 ` gnuist006
2007-10-23 19:53 ` Alf P. Steinbach
2007-11-04 23:02 ` David Thompson
2007-11-05 5:07 ` Alf P. Steinbach
2007-11-05 5:59 ` Alf P. Steinbach
2007-12-02 23:20 ` David Thompson
2007-12-02 23:51 ` Alf P. Steinbach
2007-10-21 1:08 ` Jim Langston
2007-10-21 2:30 ` Keith Thompson
2007-10-21 10:44 ` Kenny McCormack
2007-10-21 10:55 ` santosh
2007-10-21 12:26 ` Richard Heathfield
2007-10-21 22:35 ` Mark McIntyre
2007-10-21 12:09 ` Malcolm McLean
2007-10-21 15:23 ` Kenny McCormack
2007-10-21 15:54 ` santosh
2007-10-21 17:39 ` Malcolm McLean
2007-10-21 21:53 ` Kenny McCormack
2007-10-21 8:03 ` Malcolm McLean
2007-10-21 16:07 ` abhy
2007-10-21 17:43 ` santosh
2007-10-23 9:04 ` Joel Yliluoma
2007-10-23 16:33 ` Stefan Monnier
2007-10-23 16:44 ` gnuist006
2007-10-23 16:45 ` Victor Bazarov
2007-10-24 1:06 ` Stefan Monnier
2007-10-23 16:54 ` gnuist006
2007-10-23 17:14 ` Alf P. Steinbach
2007-10-24 1:09 ` Stefan Monnier [this message]
2007-10-24 0:02 ` Joel Yliluoma
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