Subject: Re: Proposed jmp_buf change
To: Ben Harris <firstname.lastname@example.org>
From: Richard Earnshaw <email@example.com>
Date: 08/22/2001 22:15:43
> I'd like to commit the following change to make the jmp_buf on ARM ELF
> systems big enough to hold all the VFP state, with some to spare. Any
> +#ifdef __ELF__
> +#define _JBLEN 64 /* size, in longs, of a jmp_buf */
> #define _JBLEN 29 /* size, in longs, of a jmp_buf */
Looks ok to me. We should only need about 17 words for the VFP stuff
(only 16 sp regs are call-saved, plus the user-accessible status register).
Leaving some space would be a good thing though, IMO.