1 files changed, 82 insertions, 0 deletions
diff --git a/lib/libc/ia64/gen/setjmp.S b/lib/libc/ia64/gen/setjmp.S
new file mode 100644
index 0000000..a2b56d6
--- /dev/null
+++ b/lib/libc/ia64/gen/setjmp.S
@@ -0,0 +1,82 @@
+/*	$NetBSD: setjmp.S,v 1.3 1997/12/05 02:06:27 thorpej Exp $	*/
+
+/*
+ * Copyright (c) 1994, 1995 Carnegie-Mellon University.
+ * All rights reserved.
+ *
+ * Author: Chris G. Demetriou
+ * 
+ * Permission to use, copy, modify and distribute this software and
+ * its documentation is hereby granted, provided that both the copyright
+ * notice and this permission notice appear in all copies of the
+ * software, derivative works or modified versions, and any portions
+ * thereof, and that both notices appear in supporting documentation.
+ * 
+ * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 
+ * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND 
+ * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
+ * 
+ * Carnegie Mellon requests users of this software to return to
+ *
+ *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
+ *  School of Computer Science
+ *  Carnegie Mellon University
+ *  Pittsburgh PA 15213-3890
+ *
+ * any improvements or extensions that they make and grant Carnegie the
+ * rights to redistribute these changes.
+ */
+
+#include <machine/asm.h>
+__FBSDID("$FreeBSD$");
+
+#define     LOCORE
+#include    <machine/setjmp.h>
+
+/*
+ * C library -- setjmp, longjmp
+ *
+ *	longjmp(a,v)
+ * will generate a "return(v)" from
+ * the last call to
+ *	setjmp(a)
+ * by restoring registers from the stack,
+ * and the previous signal state.
+ */
+
+ENTRY(setjmp, 1)
+	alloc	loc0=ar.pfs,1,2,3,0
+	mov	loc1=rp
+	;;
+	mov	out0=1				// how = SIG_BLOCK
+	mov	out1=0				// set = NULL
+	add	out2=J_SIGSET,in0		// oset = &jb[J_SIGSET]
+	br.call.sptk.few rp=__sys_sigprocmask
+	;;
+	mov	rp=loc1
+	mov	r14=loc0
+	;;
+	alloc	r15=ar.pfs,1,0,0,0		// drop register frame
+	;;
+	mov	ar.pfs=r14			// restore ar.pfs
+	br.sptk.many _setjmp			// finish saving state
+END(setjmp)
+
+	WEAK_ALIAS(longjmp,__longjmp)
+ENTRY(__longjmp, 2)
+	alloc	loc0=ar.pfs,2,2,3,0
+	mov	loc1=rp
+	;; 
+	mov	out0=3				// how = SIG_SETMASK
+	add	out1=J_SIGSET,in0		// set = &jb[J_SIGSET]
+	mov	out2=0				// oset = NULL
+	br.call.sptk.few rp=__sys_sigprocmask
+	;;
+	mov	rp=loc1
+	mov	r14=loc0
+	;;
+	alloc	r15=ar.pfs,2,0,0,0		// drop register frame
+	;;
+	mov	ar.pfs=r14			// restore ar.pfs
+	br.sptk.many _longjmp			// finish restoring state
+END(__longjmp)