1/* $NetBSD: sunos_sigcode.s,v 1.1 2001/06/08 04:49:46 mrg Exp $ */ 2 3/* 4 * Copyright (c) 1996 Paul Kranenburg 5 * Copyright (c) 1996 6 * The President and Fellows of Harvard College. All rights reserved. 7 * Copyright (c) 1992, 1993 8 * The Regents of the University of California. All rights reserved. 9 * 10 * This software was developed by the Computer Systems Engineering group 11 * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and 12 * contributed to Berkeley. 13 * 14 * All advertising materials mentioning features or use of this software 15 * must display the following acknowledgement: 16 * This product includes software developed by the University of 17 * California, Lawrence Berkeley Laboratory. 18 * This product includes software developed by Harvard University. 19 * 20 * Redistribution and use in source and binary forms, with or without 21 * modification, are permitted provided that the following conditions 22 * are met: 23 * 1. Redistributions of source code must retain the above copyright 24 * notice, this list of conditions and the following disclaimer. 25 * 2. Redistributions in binary form must reproduce the above copyright 26 * notice, this list of conditions and the following disclaimer in the 27 * documentation and/or other materials provided with the distribution. 28 * 3. All advertising materials mentioning features or use of this software 29 * must display the following acknowledgement: 30 * This product includes software developed by the University of 31 * California, Berkeley and its contributors. 32 * This product includes software developed by Harvard University. 33 * This product includes software developed by Paul Kranenburg. 34 * 4. Neither the name of the University nor the names of its contributors 35 * may be used to endorse or promote products derived from this software 36 * without specific prior written permission. 37 * 38 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 39 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 40 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 41 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 42 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 43 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 44 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 45 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 46 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 47 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 48 * SUCH DAMAGE. 49 * 50 * @(#)locore.s 8.4 (Berkeley) 12/10/93 51 * from: NetBSD: locore.s,v 1.140 2001/05/26 10:22:32 pk Exp 52 */ 53 54#include <machine/asm.h> 55#include <machine/trap.h> 56#include <machine/psl.h> 57#include <machine/signal.h> 58#include <sys/syscall.h> 59#include <compat/sunos/sunos_syscall.h> 60 61#include "sigcode_state.s" 62 63 .globl _C_LABEL(sunos_sigcode) 64 .globl _C_LABEL(sunos_esigcode) 65_C_LABEL(sunos_sigcode): 66 67 SAVE_STATE 68 69 ldd [%fp + 64], %o0 ! sig, code 70 ld [%fp + 76], %o3 ! arg3 71 call %g1 ! (*sa->sa_handler)(sig,code,scp,arg3) 72 add %fp, 64 + 16, %o2 ! scp 73 74 RESTORE_STATE 75 76 ! get registers back & set syscall # 77 restore %g0, SUNOS_SYS_sigreturn, %g1 78 add %sp, 64 + 16, %o0 ! compute scp 79 t ST_SYSCALL ! sigreturn(scp) 80 ! sigreturn does not return unless it fails 81 mov SUNOS_SYS_exit, %g1 ! exit(errno) 82 t ST_SYSCALL 83_C_LABEL(sunos_esigcode): 84