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From: Marcel Moolenaar <xcllnt@mac.com>
To: "M. Warner Losh" <imp@bsdimp.com>
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Subject: Re: PERFORCE change 133911 for review
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On Jan 31, 2008, at 7:29 AM, M. Warner Losh wrote:

> In message: <47A10F52.2090503@freebsd.org>
>            Peter Grehan <grehan@freebsd.org> writes:
> : > sparc64 is apparently using this for libc connection (not sure if
> : > this  is what Peter was referring to in one of the previous  
> emails?),
> :
> :   See libc/sparc64/sys/__sparc_utrap_setup.c for how the user- 
> space trap
> : handlers are setup. Very nice. And it reminded me that PPC should  
> really
> : migrate to having the signal trampoline be in libc ala sparc64  
> rather
> : than being copied out to and forcing the stack to be executable.
>
> mips too :-)

Ok, ok...

Not ia64. The signal trampoline is in the gateway page and not
on the stack. On ia64 the stack is already not executable.

:-)

-- 
Marcel Moolenaar
xcllnt@mac.com