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+/* $NetBSD: sigsetjmp.S,v 1.8 2005/09/17 11:49:39 tsutsui Exp $ */
+
+/*-
+ * Copyright (c) 1991, 1993, 1995,
+ * The Regents of the University of California. All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Havard Eidnes.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <machine/asm.h>
+__FBSDID("$FreeBSD$");
+#include <machine/regnum.h>
+#if defined(LIBC_SCCS) && !defined(lint)
+ ASMSTR("from: @(#)setjmp.s 8.1 (Berkeley) 6/4/93")
+ ASMSTR("$NetBSD: sigsetjmp.S,v 1.8 2005/09/17 11:49:39 tsutsui Exp $")
+#endif /* LIBC_SCCS and not lint */
+
+#include "SYS.h"
+
+#ifdef __ABICALLS__
+ .abicalls
+#endif
+
+/*
+ * C library -- sigsetjmp, siglongjmp
+ *
+ * siglongjmp(a,v)
+ * will generate a "return(v)" from
+ * the last call to
+ * sigsetjmp(a, savemask)
+ * by restoring registers from the stack,
+ * and dependent on savemask restores the
+ * signal mask.
+ */
+
+LEAF(sigsetjmp)
+ PIC_PROLOGUE(sigsetjmp)
+
+ bne a1, 0x0, 1f # do saving of signal mask?
+ PIC_TAILCALL(_setjmp)
+
+1: PIC_TAILCALL(setjmp)
+END(sigsetjmp)
+
+LEAF(siglongjmp)
+ PIC_PROLOGUE(siglongjmp)
+ REG_L t0, (_JB_MAGIC * SZREG)(a0)
+ REG_LI t1, _JB_MAGIC__SETJMP
+ bne t0, t1, 1f # setjmp or _setjmp magic?
+ PIC_TAILCALL(_longjmp)
+1: PIC_TAILCALL(longjmp)
+END(siglongjmp)
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