1/* $OpenBSD: sigsetjmp.S,v 1.4 2016/05/08 18:29:34 guenther Exp $ */ 2/* $NetBSD: sigsetjmp.S,v 1.5 2000/08/28 00:45:59 eeh Exp $ */ 3/* 4 * Copyright (c) 1992, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This software was developed by the Computer Systems Engineering group 8 * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and 9 * contributed to Berkeley. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36#include "SYS.h" 37 38ENTRY(sigsetjmp) 39 mov %o0, %o3 /* Save our jmp_buf in %o3 */ 40 brz,pt %o1, 1f 41 st %o1, [%o0 + 8*14] ! jmpbuf[JBLEN] 42 43 mov 1, %o0 /* SIG_BLOCK */ 44 mov SYS_sigprocmask, %g1 45 clr %o1 /* sigprocmask(SIG_BLOCK, 0) */ 46 t ST_SYSCALL 47 stx %o0, [%o3 + 0x10] 48 491: stx %sp, [%o3 + 0x00] /* store caller's stack pointer */ 50 stx %o7, [%o3 + 0x08] /* ... and return pc */ 51 retl 52 clr %o0 /* return 0 */ 53END_WEAK(sigsetjmp) 54 55ENTRY(siglongjmp) 56 save %sp, -CC64FSZ, %sp 57 flushw 58 ld [%i0 + 8*14], %g1 59 60 brz,pt %g1, 1f 61 62 mov 3, %o0 /* SIG_SETMASK */ 63 ldx [%i0 + 0x10], %o1 64 mov SYS_sigprocmask, %g1 65 t ST_SYSCALL 66 671: ldx [%i0 + 0x00], %fp 68 ldx [%i0 + 0x08], %i7 69 mov 1, %i0 70 movrnz %i1, %i1, %i0 ! compute v ? v : 1 71 ret 72 restore 73END_WEAK(siglongjmp) 74