Ben Harris wrote:

>Why?  What's wrong with keeping the ARM veneers as they are, and just
>making the Thumb veneers indirect through SYS_syscall when they need to
>(or even all the time, which would make SYS.h easier to write).
>
>Remember, using SYS_syscall all the time will change a typical veneer
>from:
>
>	swi	SYS_foo
>	bcs	__cerror
>	mov	pc, lr
>
>to:
>
>	str	r3, [sp, #-4]!
>	mov	r3, r2
>	mov	r2, r1
>	mov	r1, r0
>	mov	r0, #SYS_foo
>	swi	SYS_syscall
>	bcs	__cerror
>	mov	pc, lr
>
It's even worse, you need to restore the sp stack on exit too.

John.

-- 
John Tytgat                                              f u cn rd ths,
John.Tytgat@barco.com                u cn gt a gd jb n cmptr prgrmmng !