1 1.2 martin /* $NetBSD: __sigsetjmp14.S,v 1.2 2008/04/28 20:22:55 martin Exp $ */ 2 1.1 fredette 3 1.1 fredette /*- 4 1.1 fredette * Copyright (c) 2002 The NetBSD Foundation, Inc. 5 1.1 fredette * All rights reserved. 6 1.1 fredette * 7 1.1 fredette * This code is derived from software contributed to The NetBSD Foundation 8 1.1 fredette * by Matthew Fredette. 9 1.1 fredette * 10 1.1 fredette * Redistribution and use in source and binary forms, with or without 11 1.1 fredette * modification, are permitted provided that the following conditions 12 1.1 fredette * are met: 13 1.1 fredette * 1. Redistributions of source code must retain the above copyright 14 1.1 fredette * notice, this list of conditions and the following disclaimer. 15 1.1 fredette * 2. Redistributions in binary form must reproduce the above copyright 16 1.1 fredette * notice, this list of conditions and the following disclaimer in the 17 1.1 fredette * documentation and/or other materials provided with the distribution. 18 1.1 fredette * 19 1.1 fredette * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 1.1 fredette * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 1.1 fredette * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 1.1 fredette * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 1.1 fredette * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 1.1 fredette * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 1.1 fredette * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 1.1 fredette * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 1.1 fredette * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 1.1 fredette * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 1.1 fredette * POSSIBILITY OF SUCH DAMAGE. 30 1.1 fredette */ 31 1.1 fredette 32 1.1 fredette #include <machine/asm.h> 33 1.1 fredette 34 1.1 fredette #if defined(LIBC_SCCS) && !defined(lint) 35 1.2 martin RCSID("$NetBSD: __sigsetjmp14.S,v 1.2 2008/04/28 20:22:55 martin Exp $") 36 1.1 fredette #endif /* LIBC_SCCS and not lint */ 37 1.1 fredette 38 1.1 fredette /* 39 1.1 fredette * C library -- sigsetjmp, siglongjmp 40 1.1 fredette * 41 1.1 fredette * siglongjmp(a,v) 42 1.1 fredette * will generate a "return(v)" from 43 1.1 fredette * the last call to 44 1.1 fredette * sigsetjmp(a,m) 45 1.1 fredette * by restoring registers from the stack, 46 1.1 fredette * The previous signal state is restored if 'm' was non-zero. 47 1.1 fredette */ 48 1.1 fredette 49 1.1 fredette /* grab _JBLEN */ 50 1.1 fredette #include <machine/setjmp.h> 51 1.1 fredette 52 1.1 fredette ENTRY(__sigsetjmp14,0) 53 1.1 fredette stw %arg1, (_JBLEN * 4)(%arg0) ; save mask at end of area 54 1.1 fredette add,<> %r0, %arg0, %r0 55 1.1 fredette b,n _setjmp 56 1.1 fredette b,n __setjmp14 57 1.1 fredette EXIT(__sigsetjmp14) 58 1.1 fredette 59 1.1 fredette 60 1.1 fredette ENTRY(__siglongjmp14,0) 61 1.1 fredette ldw (_JBLEN * 4)(%arg0), %r1 62 1.1 fredette add,<> %r0, %r1, %r0 63 1.1 fredette b,n _longjmp 64 1.1 fredette b,n __longjmp14 65 1.1 fredette EXIT(__siglongjmp14) 66 1.1 fredette 67 1.1 fredette .end 68