From: Andrew Cagney <cagney@gnu.org>
To: Daniel Jacobowitz <drow@false.org>
Cc: Michael Elizabeth Chastain <mec.gnu@mindspring.com>,
gdb-patches@sources.redhat.com, vinschen@redhat.com
Subject: Re: [RFC/RFA] gdb.cp/classes.exp: Don't try to print local variable out of scope
Date: Tue, 09 Mar 2004 22:32:00 -0000 [thread overview]
Message-ID: <404E45EC.4030205@gnu.org> (raw)
In-Reply-To: <20040309212736.GA8404@nevyn.them.org>
>>Yes, the inner "i" should be in scope. That line, which hasn't yet been
>>> executed, will destory the inner block. I think that is covered by the
>>> GCC-O0 rule?
>
>
> If that's right, it sounds like we should be using the address-in-block
> hack to figure out what local variables are in scope for the top
> frame. But that runs the risk of, for instance, moving us back into a
> preceeding function.
Er, that sounds like a theoretical address-in-block bug? The value
returned should be floored by (as in can't be less than) the function
start. Can you think of an edge case that makes this real?
Andrew
WARNING: multiple messages have this Message-ID
From: Andrew Cagney <cagney@gnu.org>
To: Daniel Jacobowitz <drow@false.org>
Cc: Michael Elizabeth Chastain <mec.gnu@mindspring.com>,
gdb-patches@sources.redhat.com, vinschen@redhat.com
Subject: Re: [RFC/RFA] gdb.cp/classes.exp: Don't try to print local variable out of scope
Date: Fri, 19 Mar 2004 00:09:00 -0000 [thread overview]
Message-ID: <404E45EC.4030205@gnu.org> (raw)
Message-ID: <20040319000900.b-GznIDWA8G9OOptyJd3f7KQ8wPSYbYRnM5taUBgeY0@z> (raw)
In-Reply-To: <20040309212736.GA8404@nevyn.them.org>
>>Yes, the inner "i" should be in scope. That line, which hasn't yet been
>>> executed, will destory the inner block. I think that is covered by the
>>> GCC-O0 rule?
>
>
> If that's right, it sounds like we should be using the address-in-block
> hack to figure out what local variables are in scope for the top
> frame. But that runs the risk of, for instance, moving us back into a
> preceeding function.
Er, that sounds like a theoretical address-in-block bug? The value
returned should be floored by (as in can't be less than) the function
start. Can you think of an edge case that makes this real?
Andrew
next prev parent reply other threads:[~2004-03-09 22:32 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-03-19 0:09 Michael Elizabeth Chastain
2004-03-09 16:15 ` Michael Elizabeth Chastain
2004-03-19 0:09 ` Andrew Cagney
2004-03-09 20:38 ` Andrew Cagney
2004-03-09 21:27 ` Daniel Jacobowitz
2004-03-09 22:32 ` Andrew Cagney [this message]
2004-03-19 0:09 ` Daniel Jacobowitz
2004-03-10 0:56 ` Daniel Jacobowitz
2004-03-19 0:09 ` Andrew Cagney
2004-03-10 1:51 ` Andrew Cagney
2004-03-10 3:05 ` Daniel Jacobowitz
2004-03-19 0:09 ` Daniel Jacobowitz
2004-03-19 0:09 ` Daniel Jacobowitz
2004-03-10 3:23 ` Daniel Jacobowitz
2004-03-10 22:21 ` Andrew Cagney
2004-03-10 22:29 ` Daniel Jacobowitz
2004-03-15 18:47 ` Andrew Cagney
2004-03-19 0:09 ` Andrew Cagney
2004-03-19 0:09 ` Daniel Jacobowitz
2004-03-19 0:09 ` Andrew Cagney
2004-03-19 0:09 ` Andrew Cagney
2004-03-19 0:09 ` Daniel Jacobowitz
2004-03-19 0:09 Michael Elizabeth Chastain
2004-03-10 2:06 ` Michael Elizabeth Chastain
2004-03-19 0:09 Michael Elizabeth Chastain
2004-03-10 23:58 ` Michael Elizabeth Chastain
2004-03-19 0:09 Corinna Vinschen
2004-03-09 13:00 ` Corinna Vinschen
2004-03-19 0:09 ` Daniel Jacobowitz
2004-03-09 14:17 ` Daniel Jacobowitz
2004-03-19 0:09 Michael Elizabeth Chastain
2004-03-09 15:11 ` Michael Elizabeth Chastain
2004-03-09 15:40 ` Corinna Vinschen
2004-03-19 0:09 ` Corinna Vinschen
2004-03-19 0:09 ` Daniel Jacobowitz
2004-03-09 15:20 ` Daniel Jacobowitz
2004-03-19 0:09 Michael Elizabeth Chastain
2004-03-09 15:27 ` Michael Elizabeth Chastain
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=404E45EC.4030205@gnu.org \
--to=cagney@gnu.org \
--cc=drow@false.org \
--cc=gdb-patches@sources.redhat.com \
--cc=mec.gnu@mindspring.com \
--cc=vinschen@redhat.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