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Re: PATCH: Add x32 support to boehm-gc


On Sun, Apr 29, 2012 at 10:27 AM, H.J. Lu <hongjiu.lu@intel.com> wrote:
> Hi,
>
> This patch adds x32 support to boehm-gc. ?The same patch has been
> sent to the boehm-gc mailing list. Tested on Linux/x32 and Linux/x86-64.
> OK for trunk?
>
> Thanks.
>
>
> H.J.
> ----- Forwarded message from "H.J. Lu" <hongjiu.lu@intel.com> -----
> Date: Mon, 16 Apr 2012 09:39:20 -0700
> From: "H.J. Lu" <hongjiu.lu@intel.com>
> To: "H.J. Lu" <hjl.tools@gmail.com>
> Cc: Hans_Boehm@hp.com, gc@linux.hpl.hp.com
> Subject: [bdwgc] PATCH: Add x32 support
> User-Agent: Mutt/1.5.21 (2010-09-15)
>
> Hi,
>
> Here are 2 small patches to add x32 support to bdwgc. ?X32 info can be
> found at
>
> https://sites.google.com/site/x32abi/
>
> They are fully tested on Linux/x32 and Linux/x86-64.
>
> Thanks.
>
>
> H.J.
> ---
> From 16ea9de35f16f0859c40862f8ef310c0dde6082c Mon Sep 17 00:00:00 2001
> From: "H.J. Lu" <hjl.tools@gmail.com>
> Date: Mon, 16 Apr 2012 09:26:07 -0700
> Subject: [PATCH 1/2] Define ALIGNMENT and CPP_WORDSZ for x32
>
> ? ? ? ?* include/private/gcconfig.h: (ALIGNMENT): Set to 4 for x32.
> ? ? ? ?(CPP_WORDSZ): Set to 32 for x32.
> diff --git a/include/private/gcconfig.h b/include/private/gcconfig.h
> index a163e47..918d100 100644
> --- a/include/private/gcconfig.h
> +++ b/include/private/gcconfig.h
> @@ -2117,8 +2117,13 @@
>
> ?# ifdef X86_64
> ?# ? define MACH_TYPE "X86_64"
> -# ? define ALIGNMENT 8
> -# ? define CPP_WORDSZ 64
> +# ? ifdef __ILP32__
> +# ? ? define ALIGNMENT 4
> +# ? ? define CPP_WORDSZ 32
> +# ? else
> +# ? ? define ALIGNMENT 8
> +# ? ? define CPP_WORDSZ 64
> +# ? endif
> ?# ? ifndef HBLKSIZE
> ?# ? ? define HBLKSIZE 4096
> ?# ? endif
> --
> 1.7.6.5
>

Hi Uros,

This patch has been checked into upstream:

https://github.com/ivmai/bdwgc/commit/936c1d5f7b8e8e91f7263bbff884a9d2377951f2

Is this OK for trunk?

Thanks.



-- 
H.J.


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