1/* 2 * Copyright (c) 1983, 1993, 1995 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34#if defined(LIBC_SCCS) && !defined(lint) 35 .asciz "$NetBSD: __sigsetjmp14.S,v 1.3 2002/02/24 01:06:19 matt Exp $" 36#endif /* LIBC_SCCS and not lint */ 37 38/* 39 * C library -- sigsetjmp, siglongjmp 40 * 41 * siglongjmp(a,v) 42 * will generate a "return(v)" from 43 * the last call to 44 * sigsetjmp(a, savemask) 45 * by restoring registers from the stack, 46 * and dependent on savemask restores the 47 * signal mask. 48 */ 49 50#include "DEFS.h" 51#include <machine/setjmp.h> 52 53ENTRY(__sigsetjmp14, R6) 54 movl 4(%ap),%r0 # get env pointer 55 movl 8(%ap),(_JBLEN*4)(%r0) # save "savemask" 56 tstl 8(%ap) # do saving of signal mask? 57 beql L1 58 jmp _C_LABEL(__setjmp14)+2 # yep, do full setjmp 59L1: jmp _C_LABEL(_setjmp)+2 # nope, skip to _setjmp 60 61ENTRY(__siglongjmp14, 0) 62 movl 4(%ap),%r0 # get env pointer 63 tstl (_JBLEN*4)(%r0) # test if "savemask" was set 64 beql L2 65 jmp _C_LABEL(__longjmp14)+2 # yep, do full longjmp 66L2: jmp _C_LABEL(_longjmp)+2 # nope, skip to _longjmp 67 68 69