From: Paul Brook <paul@codesourcery.com>
To: qemu-devel@nongnu.org
Cc: David Woodhouse <dwmw2@infradead.org>
Subject: Re: [Qemu-devel] [patch] gcc4 host support
Date: Tue, 17 May 2005 21:46:30 +0100 [thread overview]
Message-ID: <200505172146.31089.paul@codesourcery.com> (raw)
In-Reply-To: <1116236492.25594.23.camel@localhost.localdomain>
On Monday 16 May 2005 10:41, David Woodhouse wrote:
> On Wed, 2005-05-11 at 22:04 +0100, Paul Brook wrote:
> > My solution is to search the function for the "ret" instruction and
> > replace them with a jmp to the next block of code. On RISC targets this
> > would be easy.
>
> About this easy, in fact...
>...
> +
> + if (get32((uint32_t *)p) == 0x4e800020) {
> + blr_addr = p;
> + copy_size = p_end - p_start;
> + break;
> + }
You probably want to scan the whole function to check there aren't multiple
blr instructions, and throw an error if there are.
Other than that it looks ok to me.
Paul
next prev parent reply other threads:[~2005-05-17 22:36 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-05-11 21:04 [Qemu-devel] [patch] gcc4 host support Paul Brook
2005-05-12 17:00 ` Paul Brook
2005-05-12 22:13 ` Pascal Terjan
2005-05-12 22:25 ` Paul Brook
2005-05-14 7:55 ` Filip Navara
2005-05-14 11:53 ` Paul Brook
2005-05-14 11:56 ` Filip Navara
2005-06-17 4:30 ` [Qemu-devel] Fedora 4 + GCC4 + Qemu WAS: " Darryl Dixon
2005-06-17 12:45 ` Paul Brook
[not found] ` <1119013084.5187.4.camel@darrylsfc3box>
2005-06-17 13:02 ` Paul Brook
2005-06-17 22:18 ` David Woodhouse
2005-06-20 1:18 ` Darryl Dixon
2005-05-16 9:41 ` [Qemu-devel] " David Woodhouse
2005-05-17 20:46 ` Paul Brook [this message]
2005-05-18 10:06 ` Herbert Poetzl
2005-05-18 16:02 ` Paul Brook
2005-05-18 16:10 ` David Woodhouse
2005-05-18 19:29 ` John Hogerhuis
2005-05-18 20:48 ` Paul Brook
2005-05-18 20:55 ` David Woodhouse
2005-05-18 21:16 ` Paul Brook
2005-05-18 21:29 ` jeebs
2005-05-18 22:37 ` Paul Brook
2005-05-18 23:05 ` Ian Rogers
2005-05-18 22:37 ` Ian Rogers
2005-05-19 7:23 ` Gwenole Beauchesne
2005-05-19 13:20 ` Paul Brook
2005-05-19 14:07 ` Gwenole Beauchesne
2005-05-19 15:44 ` Paul Brook
2005-05-19 18:14 ` Thomas Steffen
2005-05-19 18:52 ` Paul Brook
2005-05-19 19:38 ` Tim Walker
2005-05-19 19:45 ` Paul Brook
2005-05-19 21:03 ` Thomas Steffen
2005-05-19 22:25 ` John Hogerhuis
2005-05-20 9:59 ` Thomas Steffen
2005-05-20 12:57 ` Paul Brook
2005-05-19 16:18 ` Ian Rogers
2005-05-19 13:47 ` McMullan, Jason
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