From: Daniel Jacobowitz <drow@false.org>
To: Jonathan Larmour <jifl@eCosCentric.com>
Cc: gdb-patches@sourceware.org
Subject: Re: Avoid potential crashes with --gc-sections and low addresses
Date: Fri, 27 Jun 2008 17:14:00 -0000 [thread overview]
Message-ID: <20080627164106.GB4724@caradoc.them.org> (raw)
In-Reply-To: <4865094E.2000004@eCosCentric.com>
On Fri, Jun 27, 2008 at 04:37:50PM +0100, Jonathan Larmour wrote:
> --- gdb/dwarf2-frame.c~ 2008-05-04 00:24:17.000000000 +0100
> +++ gdb/dwarf2-frame.c 2008-06-20 17:06:04.000000000 +0100
> @@ -1795,7 +1795,8 @@ decode_frame_entry_1 (struct comp_unit *
>
> fde->eh_frame_p = eh_frame_p;
>
> - add_fde (unit, fde);
> + if (fde->initial_location)
> + add_fde (unit, fde);
> }
>
> return end;
This won't work if there is code actually at zero. Take a look at the
.debug_info reader to see how we handled this case for symbolic debug info.
--
Daniel Jacobowitz
CodeSourcery
next prev parent reply other threads:[~2008-06-27 16:41 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-06-27 15:56 Jonathan Larmour
2008-06-27 16:01 ` Jonathan Larmour
2008-06-27 17:14 ` Daniel Jacobowitz [this message]
2008-06-27 18:31 ` Jonathan Larmour
2008-06-27 19:13 ` Daniel Jacobowitz
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