Re: eat your own dog food?

[jamal <hadi-fAAogVwAN2Kw5LPnMra/2Q@public.gmane.org>]

On Thu, 2008-10-01 at 14:39 -0200, Arnaldo Carvalho de Melo wrote:

> First stab, doesn't handles unions shrinking because the largest member
> shrunk, and handles only binaries built for 64 bits (or bigger) having
> it addr_size (word_size) shrinking.
> 

Only for 64-bit machines? 
My laptop is still 32-bit - from the patch i cant see anything that'll
stop me from testing for 64 bit from a 32-bit compilation.

[..]

> 
> Lets go all the way back to the 8088:
> 

;->

> [acme@doppio pahole]$ build/pahole -w 1 -C structure build/pahole
> struct structure {
> 	struct list_head           node;                 /*     0     2 */
> 	struct class *             class;                /*     2     1 */
> 	const struct cu  *         cu;                   /*     3     1 */
> 	uint32_t                   nr_files;             /*     4     4 */
> 	uint32_t                   nr_methods;           /*     8     4 */
> 
> 	/* size: 12, cachelines: 1 */
> 	/* last cacheline: 12 bytes */
> };
> 
> Not really because we're only change 'long' from the original word size
> to the one specified.
> 
> Please test and find the missing bits for me :-)


Will do later today.


cheers,
jamal

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