/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License, Version 1.0 only * (the "License"). You may not use this file except in compliance * with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. * See the License for the specific language governing permissions * and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at usr/src/OPENSOLARIS.LICENSE. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END */ .ident "%Z%%M% %I% %E% SMI" /* * Copyright (c) 1993 by Sun Microsystems, Inc. */ #include ! ! __sendsig(sig, code, scp, addr, sigfunc) ! ! Call a signal handler in a way that's compatible with statically ! linked 4.x binaries. ! ! We have to save our first four arguments to the stack because ! that's what the 4.x kernel did and that's where the signal handler ! (__sigtramp, normally) expects to find them. ! ENTRY_NP(__sendsig) save %sp, -SA(MINFRAME), %sp ! save i0-i3 to stack, %sp+64 (WINDOWSIZE) std %i0, [%sp + WINDOWSIZE] std %i2, [%sp + WINDOWSIZE + 8] mov %i0, %o0 ! pass parameters in %o regs as well, in case mov %i1, %o1 ! we're calling directly into C code (as will mov %i2, %o2 ! happen if the a.out is dynamically linked) jmpl %i4, %o7 ! call the signal handler mov %i3, %o3 ret restore