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From: Jim Blandy <jimb@red-bean.com>
To: Andrew STUBBS <andrew.stubbs@st.com>, gdb-patches@sources.redhat.com
Subject: Re: [SH][PATCH] Disable ABI frame sniffer
Date: Sun, 13 Nov 2005 23:58:00 -0000	[thread overview]
Message-ID: <8f2776cb0511131313x20a21c11o8aad3157c1e35a29@mail.gmail.com> (raw)
In-Reply-To: <20051113183624.GE3599@nevyn.them.org>

On 11/13/05, Daniel Jacobowitz <drow@false.org> wrote:
> Instead of whatever C language routine you use to start threads, start
> them using an assembly wrapper.  Have it set up a non-unwindable frame
> using DWARF2 CFI as mentioned in one of my earlier postings in this
> thread.  You can do this easily by marking the return address column as
> undefined.  Then have it call the C thread start routine.  GDB will
> cleanly terminate the backtrace right there  You'll have one more frame
> in your stack, but it will be a real frame.

There's an example of how to do this in libgloss/m32c/crt0.S (and
other places, I'm sure).


  reply	other threads:[~2005-11-13 21:13 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-11-09 18:08 Andrew STUBBS
2005-11-10  0:17 ` Andreas Schwab
2005-11-10  3:30   ` Daniel Jacobowitz
2005-11-10 12:27     ` Andrew STUBBS
2005-11-10 14:24       ` Daniel Jacobowitz
2005-11-10  4:27 ` Daniel Jacobowitz
2005-11-10 13:36   ` Andrew STUBBS
2005-11-10 14:34     ` Daniel Jacobowitz
2005-11-10 23:09       ` Andrew STUBBS
2005-11-10 23:13         ` Andrew STUBBS
2005-11-11  0:10         ` Mark Kettenis
2005-11-11 10:31           ` Daniel Jacobowitz
2005-11-11 18:21           ` Andrew STUBBS
2005-11-11 10:35         ` Daniel Jacobowitz
2005-11-11 20:09           ` Andrew STUBBS
2005-11-13 18:57             ` Daniel Jacobowitz
2005-11-13 23:58               ` Jim Blandy [this message]
2005-11-23 19:52               ` Andrew STUBBS
2005-11-24 22:48                 ` Andrew STUBBS
2005-11-24 23:42                   ` Mark Kettenis
2005-11-10 11:11 ` Eli Zaretskii

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