Skip site navigation (1)Skip section navigation (2)
Date:      09 Sep 2002 17:03:30 -0400
From:      Joe Marcus Clarke <marcus@marcuscom.com>
To:        Andrew Gallatin <gallatin@cs.duke.edu>
Cc:        obrien@FreeBSD.ORG, alpha@FreeBSD.ORG
Subject:   Re: getting closer (was Re: mozilla failure on 4.6.2)
Message-ID:  <1031605410.351.90.camel@gyros.marcuscom.com>
In-Reply-To: <15741.2822.526047.253409@grasshopper.cs.duke.edu>
References:  <20020906040641.GA61111@xor.obsecurity.org> <1031287598.361.2.camel@gyros.marcuscom.com> <15736.40749.986834.818558@grasshopper.cs.duke.edu> <1031329151.342.9.camel@gyros.marcuscom.com> <20020906194732.GA2244@dragon.nuxi.com> <15737.2550.488154.4401@grasshopper.cs.duke.edu> <20020907000825.GA4091@dragon.nuxi.com> <15739.43883.152090.936327@grasshopper.cs.duke.edu>  <15741.2822.526047.253409@grasshopper.cs.duke.edu>

next in thread | previous in thread | raw e-mail | index | archive | help
On Mon, 2002-09-09 at 16:56, Andrew Gallatin wrote:
> 
> Andrew Gallatin writes:
>  > 
>  > David O'Brien writes:
>  >  > The vtable format in stable is not the same as AlphaLinux, it is the same
>  >  > in -CURRENT.  Do we know if the results you posted also happen on
>  >  > -CURRENT?
>  > 
>  > Checking now.  Can you explain the vtable format in -stable, or point
>  > me at a description so I can modify the code to work with -stable?
>  > 
> 
> I think I may have figured it out..  I stumbled on the
> $vtable symbol.
> 
> This appended patch *seems* to work as far as the TestXPTCInvoke code
> goes.  I'm going to try YAMB (yet another mozilla build) now.
> 
> I hope I can get it to the post-build stage to see if this fixes the segvs.

Sweet...You're in my neck of the woods, too.  Looks like I might owe you
a beer.

Joe

> 
> Drew
> 
> --- xpcom/reflect/xptcall/src/md/unix/xptcinvoke_linux_alpha.cpp.bak	Mon Sep  9 14:47:20 2002
> +++ xpcom/reflect/xptcall/src/md/unix/xptcinvoke_linux_alpha.cpp	Mon Sep  9 16:48:45 2002
> @@ -163,7 +163,12 @@
>      "bis $16,$16,$1\n\t"    /* load "this" */
>      "ldq $2,16($15)\n\t"    /* load "methodIndex" */
>      "ldq $1,0($1)\n\t"      /* load vtable */
> +#if 0
>      "s8addq $2,16,$2\n\t"   /* vtable index = "methodIndex" * 8 + 16 */
> +#else
> +    "mulq $2,16,$2\n\t"   
> +    "addq $2, 24, $2\n\t"   /* vtable index = "methodIndex" * 16 + 24 */
> +#endif
>      "addq $1,$2,$1\n\t"
>      "ldq $27,0($1)\n\t"     /* load address of function */
>      "jsr $26,($27),0\n\t"   /* call virtual function */
> 
-- 
PGP Key : http://www.marcuscom.com/pgp.asc


To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-alpha" in the body of the message




Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?1031605410.351.90.camel>