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