From: "Xavier Wang" <xavierwang@ms19.url.com.tw>
To: "Jonathan Larmour" <jlarmour@redhat.com>
Cc: <ecos-discuss@sources.redhat.com>
Subject: Re: [ECOS] GDB Ctrl-C problem
Date: Wed, 28 Feb 2001 00:39:00 -0000 [thread overview]
Message-ID: <008001c0a160$b9094a20$1c2414ac@realtek.com.tw> (raw)
In-Reply-To: <3A9CA4AF.974E3523@redhat.com>
> >
> > Hi,
> >
> > I'm porting eCos to a MIPS architecture from TX39/JMR3904
> > template. My problem is that when I press Ctrl-C in GDB,
> > the program stops at breakpoint() (in hal_stub.c) which contains
> > only one instruction: HAL_BREAKPOINT(_breakinst). How
> > could I let the GDB stop exactly at the interrupted instruction
> > rather than the breakpoint instruction itself? By looking into
> > cyg_hal_user_break(), it seems that it might help if
> > CYGDBG_HAL_DEBUG_GDB_INCLUDE_STUBS is defined,
> > since in that case it will call breakpoint() instead of calling
> > HAL_BREAKPOINT() directly, and it seems that breakpoint()
> > should handle the program counter stuff. But in fact the breakpoint()
> > contains only one instruction HAL_BREAKPOINT(), so it makes
> > no difference. Could cyg_hal_gdb_interrupt() help? Can I replace
> > breakpoint() with cyg_hal_gdb_interrupt() in cyg_hal_user_break()?
> >
> > The following is my configurations:
> >
> > - eCos v1.3.1
> > - GDB stubs
> > GDB Ctrl-C support enabled
> > GDB break support disabled
> > Startup type = ROM
> > loaded and run by ICE
> > - application
> > GDB stubs included
> > GDB Ctrl-C support enabled
> > GDB break support disabled
> > Work with a ROM Monitor = GDB stubs
> > Startup type = RAM
>
> This isn't right -if you are including stubs, you should have break support
> enabled and ctrl-c support disabled in your application.
>
> Jifl
> --
> Red Hat, Rustat House, Clifton Road, Cambridge, UK. Tel: +44 (1223) 271062
> Maybe this world is another planet's Hell -Aldous Huxley || Opinions==mine
>
Thanks, Jifl.
I'd changed the configuration of my application to have break support enabled and
Ctrl-C support disabled but still got the same result, ie, GDB stopped at
HAL_BREAKPOINT() in breakpoint().
Any suggestion?
Thanks.
next prev parent reply other threads:[~2001-02-28 0:39 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-02-27 23:00 Xavier Wang
2001-02-27 23:11 ` Jonathan Larmour
2001-02-28 0:39 ` Xavier Wang [this message]
2001-02-28 0:52 ` Jonathan Larmour
2001-02-28 2:22 ` Xavier Wang
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='008001c0a160$b9094a20$1c2414ac@realtek.com.tw' \
--to=xavierwang@ms19.url.com.tw \
--cc=ecos-discuss@sources.redhat.com \
--cc=jlarmour@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;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).