From: Daniel Jacobowitz <drow@false.org>
To: Doug Evans <dje@google.com>
Cc: gdb@sourceware.org, ppluzhnikov@google.com
Subject: Re: determining whether page 0 (or low addresses in general) is executable
Date: Thu, 17 Apr 2008 10:20:00 -0000 [thread overview]
Message-ID: <20080417023306.GA16956@caradoc.them.org> (raw)
In-Reply-To: <e394668d0804161802y1b5c324dva49a932511f304c5@mail.gmail.com>
On Wed, Apr 16, 2008 at 06:02:24PM -0700, Doug Evans wrote:
> > I thought GNU ld only had this problem for .debug_info and already
> > edited out discarded FDEs from .debug_frame / .eh_frame. Are you
> > using GNU ld or gold? Maybe the linker only edits .eh_frame.
>
> Actually the problem occurs with both gld and gold. The linker does
> explicitly handle .eh_frame, and I'm told the debug info doesn't go
> into comdat on purpose (complexity issues I gather).
OK, so we could probably fix this in GNU ld by reusing the eh-frame
editor for .debug_frame too. COMDAT is better, of course. It's just
hard :-(
--
Daniel Jacobowitz
CodeSourcery
prev parent reply other threads:[~2008-04-17 2:33 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-04-16 22:20 Doug Evans
2008-04-16 22:25 ` Daniel Jacobowitz
2008-04-17 10:10 ` Doug Evans
2008-04-17 10:20 ` Daniel Jacobowitz [this message]
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=20080417023306.GA16956@caradoc.them.org \
--to=drow@false.org \
--cc=dje@google.com \
--cc=gdb@sourceware.org \
--cc=ppluzhnikov@google.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