From: "H. J. Lu" <hjl@lucon.org>
To: Daniel Berlin <dberlin@dberlin.org>
Cc: Daniel Jacobowitz <drow@false.org>,
gcc@gcc.gnu.org, GDB <gdb@sources.redhat.com>
Subject: Re: Gdb generates location list without DW_AT_frame_base
Date: Thu, 30 Dec 2004 21:05:00 -0000 [thread overview]
Message-ID: <20041230210451.GA17966@lucon.org> (raw)
In-Reply-To: <1104440193.20792.38.camel@DYN253786YKT>
On Thu, Dec 30, 2004 at 03:56:33PM -0500, Daniel Berlin wrote:
>
> > And what's in the location lists? If it's DW_OP_fbreg, then I presume
> > it's a GCC bug. According to my reading of the DWARF spec, anyway.
> It is.
>
> I added code to tell it when not to use fbreg, but i only told it not to
> use fbreg in the location expression when we were outputting the
> frame_base attribute.
>
> However, it appears we don't output a frame base attribute for external
> procedures, so we need to tell it it can't use if we don't have a frame
> base attribute.
>
> You just need to change when loc_descriptor is called with a second
> parameter of true/1 to fix this.
Do you have a patch I can try?
H.J.
next prev parent reply other threads:[~2004-12-30 21:05 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-12-22 1:16 Is this a gcc, gdb or readelf bug? H. J. Lu
2004-12-22 11:09 ` Nick Clifton
2004-12-22 18:25 ` H. J. Lu
2004-12-23 3:43 ` Daniel Jacobowitz
2004-12-30 19:24 ` GDB 6.3 assumes that DW_AT_frame_base exists H. J. Lu
2004-12-30 19:36 ` H. J. Lu
2004-12-30 19:56 ` H. J. Lu
2004-12-30 20:07 ` Daniel Jacobowitz
2004-12-30 20:23 ` Gdb generates location list without DW_AT_frame_base H. J. Lu
2004-12-30 20:28 ` Daniel Jacobowitz
2004-12-30 20:52 ` Gdb generates DW_OP_fbreg in " H. J. Lu
2004-12-30 20:56 ` Gdb generates " Daniel Berlin
2004-12-30 21:05 ` H. J. Lu [this message]
2004-12-31 0:35 ` Daniel Berlin
2004-12-31 19:57 ` H. J. Lu
2004-12-31 20:09 ` Daniel Berlin
2004-12-31 20:11 ` H. J. Lu
2004-12-31 20:16 ` Daniel Berlin
[not found] ` <20041231163806.GA1335@lucon.org>
[not found] ` <Pine.LNX.4.60.0412311158280.27590@dberlin.org>
[not found] ` <20041231184405.GA2182@lucon.org>
[not found] ` <Pine.LNX.4.60.0412311451060.6844@dberlin.org>
[not found] ` <Pine.LNX.4.60.0412311509360.6844@dberlin.org>
[not found] ` <20041231215010.GA5722@lucon.org>
[not found] ` <20041231215443.GA5853@lucon.org>
[not found] ` <Pine.LNX.4.60.0412311656360.6844@dberlin.org>
[not found] ` <20041231220324.GA5987@lucon.org>
2005-01-01 19:15 ` gcc 4.0 " H. J. Lu
2005-01-01 20:09 ` Daniel Jacobowitz
2005-01-01 20:50 ` Daniel Berlin
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=20041230210451.GA17966@lucon.org \
--to=hjl@lucon.org \
--cc=dberlin@dberlin.org \
--cc=drow@false.org \
--cc=gcc@gcc.gnu.org \
--cc=gdb@sources.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