Re: STT_FUNC for assembler checksum and semaphore ops" in git-x86

From: Sam Ravnborg
Date: Thu Jan 10 2008 - 02:42:14 EST


On Wed, Jan 09, 2008 at 10:57:25PM +0100, Andi Kleen wrote:
>
> In gitx86:
>
> commit 692effca950d7c6032e8e2ae785a32383e7af4a3
> Author: John Reiser <jreiser@xxxxxxxxxxxx>
> Date: Wed Jan 9 13:31:12 2008 +0100
>
> STT_FUNC for assembler checksum and semaphore ops
> ...
> Comments?
>
> Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
> Signed-off-by: Ingo Molnar <mingo@xxxxxxx>
>
> diff --git a/arch/x86/lib/checksum_32.S b/arch/x86/lib/checksum_32.S
> index adbccd0..1f9aacb 100644
> --- a/arch/x86/lib/checksum_32.S
> +++ b/arch/x86/lib/checksum_32.S
> @@ -48,6 +48,7 @@ unsigned int csum_partial(const unsigned char * buff, int len, unsigned int sum)
> * Fortunately, it is easy to convert 2-byte alignment to 4-byte
> * alignment for the unrolled loop.
> */
> + .type csum_partial, @function
> ENTRY(csum_partial)
> + .type csum_partial, @function
> ENTRY(csum_partial)
> CFI_STARTPROC
> pushl %esi
> @@ -141,11 +142,13 @@ ENTRY(csum_partial)
> ret
> CFI_ENDPROC
> ENDPROC(csum_partial)
> + .size csum_partial, . - csum_partial
>
> AK:
> Better option would be to just add to ENTRY/ENDPROC
>
> do something like (untested)
>
> #define ENTRY(x) \
> ...
> .set curfunc, x
>
> #define ENDPROC(x) \
> ...
> .size x - curfunc
>
John got more or less same comment from me - but
I did not hear further.
As it stands out now it not nice.

Sam
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