12fe8fb19SBen Gras/* 22fe8fb19SBen Gras * Copyright (c) 1983, 1993, 1995 32fe8fb19SBen Gras * The Regents of the University of California. All rights reserved. 42fe8fb19SBen Gras * 52fe8fb19SBen Gras * Redistribution and use in source and binary forms, with or without 62fe8fb19SBen Gras * modification, are permitted provided that the following conditions 72fe8fb19SBen Gras * are met: 82fe8fb19SBen Gras * 1. Redistributions of source code must retain the above copyright 92fe8fb19SBen Gras * notice, this list of conditions and the following disclaimer. 102fe8fb19SBen Gras * 2. Redistributions in binary form must reproduce the above copyright 112fe8fb19SBen Gras * notice, this list of conditions and the following disclaimer in the 122fe8fb19SBen Gras * documentation and/or other materials provided with the distribution. 132fe8fb19SBen Gras * 3. Neither the name of the University nor the names of its contributors 142fe8fb19SBen Gras * may be used to endorse or promote products derived from this software 152fe8fb19SBen Gras * without specific prior written permission. 162fe8fb19SBen Gras * 172fe8fb19SBen Gras * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 182fe8fb19SBen Gras * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 192fe8fb19SBen Gras * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 202fe8fb19SBen Gras * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 212fe8fb19SBen Gras * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 222fe8fb19SBen Gras * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 232fe8fb19SBen Gras * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 242fe8fb19SBen Gras * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 252fe8fb19SBen Gras * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 262fe8fb19SBen Gras * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 272fe8fb19SBen Gras * SUCH DAMAGE. 282fe8fb19SBen Gras */ 292fe8fb19SBen Gras 30*e415d488SLionel Sambuc#include "DEFS.h" 31*e415d488SLionel Sambuc#include <machine/setjmp.h> 32*e415d488SLionel Sambuc 332fe8fb19SBen Gras#if defined(LIBC_SCCS) && !defined(lint) 34*e415d488SLionel SambucRCSID("$NetBSD: __sigsetjmp14.S,v 1.5 2011/01/25 02:38:15 matt Exp $") 352fe8fb19SBen Gras#endif /* LIBC_SCCS and not lint */ 362fe8fb19SBen Gras 372fe8fb19SBen Gras/* 382fe8fb19SBen Gras * C library -- sigsetjmp, siglongjmp 392fe8fb19SBen Gras * 402fe8fb19SBen Gras * siglongjmp(a,v) 412fe8fb19SBen Gras * will generate a "return(v)" from 422fe8fb19SBen Gras * the last call to 432fe8fb19SBen Gras * sigsetjmp(a, savemask) 442fe8fb19SBen Gras * by restoring registers from the stack, 452fe8fb19SBen Gras * and dependent on savemask restores the 462fe8fb19SBen Gras * signal mask. 472fe8fb19SBen Gras */ 482fe8fb19SBen Gras 492fe8fb19SBen GrasENTRY(__sigsetjmp14, R6) 502fe8fb19SBen Gras movl 4(%ap),%r0 # get env pointer 512fe8fb19SBen Gras movl 8(%ap),(_JBLEN*4)(%r0) # save "savemask" 522fe8fb19SBen Gras tstl 8(%ap) # do saving of signal mask? 532fe8fb19SBen Gras beql L1 542fe8fb19SBen Gras jmp _C_LABEL(__setjmp14)+2 # yep, do full setjmp 552fe8fb19SBen GrasL1: jmp _C_LABEL(_setjmp)+2 # nope, skip to _setjmp 56*e415d488SLionel SambucEND(__sigsetjmp14) 572fe8fb19SBen Gras 582fe8fb19SBen GrasENTRY(__siglongjmp14, 0) 592fe8fb19SBen Gras movl 4(%ap),%r0 # get env pointer 602fe8fb19SBen Gras tstl (_JBLEN*4)(%r0) # test if "savemask" was set 612fe8fb19SBen Gras beql L2 622fe8fb19SBen Gras jmp _C_LABEL(__longjmp14)+2 # yep, do full longjmp 632fe8fb19SBen GrasL2: jmp _C_LABEL(_longjmp)+2 # nope, skip to _longjmp 64*e415d488SLionel SambucEND(__siglongjmp14) 652fe8fb19SBen Gras 66