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From: John Baldwin <jhb@FreeBSD.org>
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Subject: PERFORCE change 100227 for review
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http://perforce.freebsd.org/chv.cgi?CH=100227

Change 100227 by jhb@jhb_mutex on 2006/06/28 19:33:59

	Axe the stackgap macros!  There's some scary i386-specific code under
	#if 0 to try to use the stackgap to set the LDT via sysarch().  If
	anyone wants to revive that they can come up with a suitable kern_foo()
	or i386_foo() API to use instead.

Affected files ...

.. //depot/projects/smpng/sys/compat/svr4/svr4_util.h#9 edit

Differences ...

==== //depot/projects/smpng/sys/compat/svr4/svr4_util.h#9 (text+ko) ====

@@ -47,30 +47,6 @@
 #define DPRINTF(a)
 #endif
 
-
-static __inline caddr_t stackgap_init(void);
-static __inline void *stackgap_alloc(caddr_t *, size_t);
-
-static __inline caddr_t
-stackgap_init()
-{
-#define szsigcode (*(curthread->td_proc->p_sysent->sv_szsigcode))
-        return (caddr_t)(((caddr_t)PS_STRINGS) - szsigcode - SPARE_USRSPACE);
-}
-
-static __inline void *
-stackgap_alloc(sgp, sz)
-	caddr_t	*sgp;
-	size_t   sz;
-{
-	void	*p = (void *) *sgp;
-	sz = ALIGN(sz);
-	if (*sgp + sz > (caddr_t)(PS_STRINGS - szsigcode))
-		return NULL;
-	*sgp += sz;
-	return p;
-}
-
 int	svr4_emul_find(struct thread *, char *, enum uio_seg, char **, int);
 
 #define CHECKALT(td, upath, pathp, i)					\