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. Neither the name of the University nor the names of its contributors 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30#include "DEFS.h" 31#include <machine/setjmp.h> 32 33#if defined(LIBC_SCCS) && !defined(lint) 34RCSID("$NetBSD: __sigsetjmp14.S,v 1.5 2011/01/25 02:38:15 matt Exp $") 35#endif /* LIBC_SCCS and not lint */ 36 37/* 38 * C library -- sigsetjmp, siglongjmp 39 * 40 * siglongjmp(a,v) 41 * will generate a "return(v)" from 42 * the last call to 43 * sigsetjmp(a, savemask) 44 * by restoring registers from the stack, 45 * and dependent on savemask restores the 46 * signal mask. 47 */ 48 49ENTRY(__sigsetjmp14, R6) 50 movl 4(%ap),%r0 # get env pointer 51 movl 8(%ap),(_JBLEN*4)(%r0) # save "savemask" 52 tstl 8(%ap) # do saving of signal mask? 53 beql L1 54 jmp _C_LABEL(__setjmp14)+2 # yep, do full setjmp 55L1: jmp _C_LABEL(_setjmp)+2 # nope, skip to _setjmp 56END(__sigsetjmp14) 57 58ENTRY(__siglongjmp14, 0) 59 movl 4(%ap),%r0 # get env pointer 60 tstl (_JBLEN*4)(%r0) # test if "savemask" was set 61 beql L2 62 jmp _C_LABEL(__longjmp14)+2 # yep, do full longjmp 63L2: jmp _C_LABEL(_longjmp)+2 # nope, skip to _longjmp 64END(__siglongjmp14) 65 66