Mirror of the gdb mailing list
 help / color / mirror / Atom feed
From: Andreas Schwab <schwab@suse.de>
To: Robert Dewar <dewar@adacore.com>
Cc: Eli Zaretskii <eliz@gnu.org>,
		"Frank Ch. Eigler" <fche@redhat.com>,
	msnyder@vmware.com, 	brobecker@adacore.com, jreiver@free.fr,
	gdb@sourceware.org
Subject: Re: how to examine data with compiler optimization option set?
Date: Thu, 04 Sep 2008 08:01:00 -0000	[thread overview]
Message-ID: <jeabeos5le.fsf@sykes.suse.de> (raw)
In-Reply-To: <48BF04C6.8030108@adacore.com> (Robert Dewar's message of "Wed, 	03 Sep 2008 17:42:30 -0400")

Robert Dewar <dewar@adacore.com> writes:

> Well you always had local variables disappearing in earlier versions
> but enough worked so you could debug, in particular parameters were
> always available and reliable.

If parameters are passed in registers they are very likely to get lost.
Even on i386 parameters sometimes get passed in registers, eg. when
calling local functions.

Andreas.

-- 
Andreas Schwab, SuSE Labs, schwab@suse.de
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
PGP key fingerprint = 58CA 54C7 6D53 942B 1756  01D3 44D5 214B 8276 4ED5
"And now for something completely different."


  reply	other threads:[~2008-09-04  8:01 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-09-02 21:27 J R
2008-09-02 21:36 ` Robert Dewar
2008-09-02 21:45   ` jreiver
2008-09-02 21:50     ` Robert Dewar
2008-09-02 21:57       ` Joel Brobecker
2008-09-03  0:05         ` Michael Snyder
2008-09-03  1:53           ` Robert Dewar
2008-09-03  2:52             ` Daniel Jacobowitz
2008-09-03 14:35               ` Robert Dewar
2008-09-03  3:06           ` Frank Ch. Eigler
2008-09-03  4:37             ` Michael Snyder
2008-09-03 14:36             ` Robert Dewar
2008-09-03 18:34             ` Eli Zaretskii
2008-09-03 21:43               ` Robert Dewar
2008-09-04  8:01                 ` Andreas Schwab [this message]
2008-09-04 10:53                   ` Robert Dewar
2008-09-04 14:05                     ` Paul Koning
2008-09-04 14:09                       ` Robert Dewar
2008-09-04 14:15                         ` Paul Koning
2008-09-04 14:17                           ` Robert Dewar
2008-09-04 15:55                   ` Eli Zaretskii
2008-09-04 18:13                     ` Frank Ch. Eigler
2008-09-04 20:46                       ` Ulrich Weigand
2008-09-03  0:04     ` Michael Snyder

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=jeabeos5le.fsf@sykes.suse.de \
    --to=schwab@suse.de \
    --cc=brobecker@adacore.com \
    --cc=dewar@adacore.com \
    --cc=eliz@gnu.org \
    --cc=fche@redhat.com \
    --cc=gdb@sourceware.org \
    --cc=jreiver@free.fr \
    --cc=msnyder@vmware.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox