From ded3f797e1a95f2a9b3f61520af2ba3ad0bf1cde Mon Sep 17 00:00:00 2001
From: Tom London <tbl@research.uucp>
Date: Wed, 29 Nov 1978 18:43:59 -0500
Subject: [PATCH] Bell 32V development Work on file usr/src/libc/sys/setjmp.s

Co-Authored-By: John Reiser <jfr@research.uucp>
Synthesized-from: 32v
---
 usr/src/libc/sys/setjmp.s | 40 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100755 usr/src/libc/sys/setjmp.s

diff --git a/usr/src/libc/sys/setjmp.s b/usr/src/libc/sys/setjmp.s
new file mode 100755
index 0000000000..798fc3e2b3
--- /dev/null
+++ b/usr/src/libc/sys/setjmp.s
@@ -0,0 +1,40 @@
+# C library -- setjmp, longjmp
+
+#	longjmp(a,v)
+# will generate a "return(v)" from
+# the last call to
+#	setjmp(a)
+# by restoring r6-pc from 'a'
+# and doing a return.
+#
+
+.globl	_setjmp
+.globl	_longjmp
+
+	.align	1
+_setjmp:
+	.word	0x0000
+	movl	4(ap),r0
+	movq	r6,(r0)+
+	movq	r8,(r0)+
+	movq	r10,(r0)+
+	movq	8(fp),(r0)+		# ap, fp
+	movab	8(ap),(r0)+		# sp
+	movl	16(fp),(r0)		# pc
+	clrl	r0
+	ret
+
+	.align	1
+_longjmp:
+	.word	0x0000
+	movl	4(ap),r1
+	movq	(r1)+,r6
+	movq	(r1)+,r8
+	movq	(r1)+,r10
+	movq	(r1)+,r12
+	movl	(r1)+,sp
+	movl	8(ap),r0  #  return(v)
+	bneq	L1
+	movzbl	$1,r0
+L1:
+	jmp	*(r1)
-- 
2.20.1