From: Daniel Jacobowitz <drow@false.org>
To: Paul Schlie <schlie@comcast.net>
Cc: gdb@sourceware.org
Subject: Re: Available registers as a target property
Date: Fri, 06 May 2005 23:27:00 -0000 [thread overview]
Message-ID: <20050506232741.GA22741@nevyn.them.org> (raw)
In-Reply-To: <BEA16C0E.A11F%schlie@comcast.net>
On Fri, May 06, 2005 at 06:46:38PM -0400, Paul Schlie wrote:
> > Daniel Jacobowitz wrote:
> > ...
> > Today, the contents of the register cache and the layout of GDB's regnum
> > space are determined by the gdbarch. There are several hooks for this,
> > primarily these three:
> >
> > num_regs
> > register_name
> > register_type
> >
> > The gdbarch determines what raw registers are available. But this isn't a
> > perfect match with what raw registers are _really_ available, because the
> > gdbarch only has the clues we use to select a gdbarch available: things like
> > byte order and BFD machine number. At best, those tell us what registers
> > the binary we're debugging requires. The runtime set of registers we can
> > see are a property of the target, not of the gdbarch.
> > ...
>
> Might it be more appropriate to enable gdbarch to be extended to enable the
> more specific description of a particular target component and mode; as
> opposed to pushing the requirement of a target to provide detailed register
> etc. information about itself when all that should be necessary should be
> for it to more specifically identify itself and present mode if any, thereby
> enabling a correspondingly more precise gdbarch description to be selected
> as the basis of it's logically visible model?
Do you have a concrete suggestion? This sounds not fundamentally
different from what I am doing.
--
Daniel Jacobowitz
CodeSourcery, LLC
next prev parent reply other threads:[~2005-05-06 23:27 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-05-06 22:46 Paul Schlie
2005-05-06 23:27 ` Daniel Jacobowitz [this message]
2005-05-07 0:56 ` Paul Schlie
2005-05-07 1:36 ` Daniel Jacobowitz
2005-05-07 3:49 ` Paul Schlie
2005-05-07 4:30 ` Daniel Jacobowitz
2005-05-07 4:54 ` Paul Schlie
2005-05-07 5:41 ` Daniel Jacobowitz
2005-05-07 15:19 ` Paul Schlie
2005-05-07 19:26 ` Eli Zaretskii
-- strict thread matches above, loose matches on Subject: below --
2005-05-06 17:55 Decker, Paul
2005-05-06 20:59 ` Daniel Jacobowitz
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=20050506232741.GA22741@nevyn.them.org \
--to=drow@false.org \
--cc=gdb@sourceware.org \
--cc=schlie@comcast.net \
/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;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).