PERFORCE change 133911 for review
Marcel Moolenaar
xcllnt at mac.com
Thu Jan 31 09:07:50 PST 2008
On Jan 31, 2008, at 7:29 AM, M. Warner Losh wrote:
> In message: <47A10F52.2090503 at freebsd.org>
> Peter Grehan <grehan at 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 at mac.com
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