Re: CVS commit: [matt-nb5-mips64] src/sys/arch/mips/mips

[Jason Thorpe <thorpej%shagadelic.org@localhost>]

On Aug 23, 2009, at 9:04 PM, Matt Thomas wrote:

> Module Name:    src
> Committed By:   matt
> Date:           Mon Aug 24 04:04:53 UTC 2009
>
> Modified Files:
>         src/sys/arch/mips/mips [matt-nb5-mips64]: mipsX_subr.S
>
> Log Message:
> SyscallCall exception didn't save the temporaries which libc no  
> longer likes.
> So now it saves them.

This seems wrong... the syscall trap is like making a function call,  
so the temporaries should be expected to be clobbered.  If the syscall  
stubs don't like this, they should make use of callee-saved registers.

What am I missing?

-- thorpej