1 /* $NetBSD: setjmp.S,v 1.14 2005/09/13 01:44:08 christos Exp $ */
4 * Copyright (c) 1990 The Regents of the University of California.
7 * This code is derived from software contributed to Berkeley by
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. Neither the name of the University nor the names of its contributors
19 * may be used to endorse or promote products derived from this software
20 * without specific prior written permission.
22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * from: @(#)setjmp.s 5.1 (Berkeley) 4/23/90
37 #include <machine/asm.h>
38 #if defined(LIBC_SCCS)
39 RCSID("$NetBSD: setjmp.S,v 1.14 2005/09/13 01:44:08 christos Exp $")
43 * C library -- _setjmp, _longjmp
46 * will generate a "return(v)" from the last call to
48 * by restoring registers from the stack.
49 * The previous signal state is restored.
62 /* Get the signal mask. */
70 call PIC_PLT(_C_LABEL(__sigprocmask14))
72 call _C_LABEL(__sigprocmask14)
81 /* Restore the signal mask. */
89 pushl $2 /* SIG_SETMASK */
91 pushl $3 /* SIG_SETMASK */
94 call PIC_PLT(_C_LABEL(__sigprocmask14))
96 call _C_LABEL(__sigprocmask14)
116 .weak longjmp; sigsetjmp = __longjmp14
117 .weak setjmp; sigsetjmp = __setjmp14