_setjmp.S revision 108738
185518Sjake/* 285518Sjake * Copyright (c) 1992, 1993 385518Sjake * The Regents of the University of California. All rights reserved. 485518Sjake * 585518Sjake * This software was developed by the Computer Systems Engineering group 685518Sjake * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and 785518Sjake * contributed to Berkeley. 885518Sjake * 985518Sjake * Redistribution and use in source and binary forms, with or without 1085518Sjake * modification, are permitted provided that the following conditions 1185518Sjake * are met: 1285518Sjake * 1. Redistributions of source code must retain the above copyright 1385518Sjake * notice, this list of conditions and the following disclaimer. 1485518Sjake * 2. Redistributions in binary form must reproduce the above copyright 1585518Sjake * notice, this list of conditions and the following disclaimer in the 1685518Sjake * documentation and/or other materials provided with the distribution. 1785518Sjake * 3. All advertising materials mentioning features or use of this software 1885518Sjake * must display the following acknowledgement: 1985518Sjake * This product includes software developed by the University of 2085518Sjake * California, Berkeley and its contributors. 2185518Sjake * 4. Neither the name of the University nor the names of its contributors 2285518Sjake * may be used to endorse or promote products derived from this software 2385518Sjake * without specific prior written permission. 2485518Sjake * 2585518Sjake * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 2685518Sjake * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 2785518Sjake * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2885518Sjake * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 2985518Sjake * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 3085518Sjake * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 3185518Sjake * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 3285518Sjake * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 3385518Sjake * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 3485518Sjake * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 3585518Sjake * SUCH DAMAGE. 3685518Sjake * 3785518Sjake * from: Header: _setjmp.s,v 1.1 91/07/06 16:45:53 torek Exp 3885518Sjake */ 3985518Sjake 4085518Sjake#if defined(LIBC_SCCS) && !defined(lint) 4199018Sobrien .asciz "@(#)_setjmp.s 8.1 (Berkeley) 6/4/93" 4285518Sjake#if 0 4385518Sjake RCSID("$NetBSD: _setjmp.S,v 1.4 1998/10/08 02:27:59 eeh Exp $") 4485518Sjake#endif 4585518Sjake#endif /* LIBC_SCCS and not lint */ 4685518Sjake#include <machine/asm.h> 4799018Sobrien__FBSDID("$FreeBSD: head/lib/libc/sparc64/gen/_setjmp.S 108738 2003-01-05 22:17:32Z tmm $"); 4885518Sjake 4986534Sjake#include "assym.s" 5086534Sjake 5188609Sjake .register %g2,#ignore 5288609Sjake .register %g3,#ignore 5388609Sjake 5485518Sjake/* 5585518Sjake * C library -- _setjmp, _longjmp 5685518Sjake * 5785518Sjake * _longjmp(a,v) 5885518Sjake * will generate a "return(v?v:1)" from 5985518Sjake * the last call to 6085518Sjake * _setjmp(a) 61108738Stmm * by restoring the previous context. 6285518Sjake * The previous signal state is NOT restored. 6385518Sjake */ 6485518Sjake 6585518SjakeENTRY(_setjmp) 6688609Sjake stx %sp, [%o0 + _JB_SP] 6788609Sjake stx %o7, [%o0 + _JB_PC] 6885518Sjake retl 6986534Sjake clr %o0 7086534SjakeEND(_setjmp) 7185518Sjake 72108738Stmm .weak CNAME(_longjmp) 73108738Stmm .set CNAME(_longjmp),CNAME(___longjmp) 74108738StmmENTRY(___longjmp) 75108738Stmm save %sp, -CCFSZ, %sp 76108738Stmm flushw 77108738Stmm ldx [%i0 + _JB_SP], %fp 78108738Stmm ldx [%i0 + _JB_PC], %i7 79108738Stmm mov 1, %i0 80108738Stmm movrnz %i1, %i1, %i0 81108738Stmm ret 82108738Stmm restore 83108738StmmEND(___longjmp) 84