1/* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 .ident "%Z%%M% %I% %E% SMI" 23 24/* 25 * Copyright (c) 1993 by Sun Microsystems, Inc. 26 */ 27 28#include <sys/asm_linkage.h> 29 30! 31! __sendsig(sig, code, scp, addr, sigfunc) 32! 33! Call a signal handler in a way that's compatible with statically 34! linked 4.x binaries. 35! 36! We have to save our first four arguments to the stack because 37! that's what the 4.x kernel did and that's where the signal handler 38! (__sigtramp, normally) expects to find them. 39! 40ENTRY_NP(__sendsig) 41 save %sp, -SA(MINFRAME), %sp 42 ! save i0-i3 to stack, %sp+64 (WINDOWSIZE) 43 std %i0, [%sp + WINDOWSIZE] 44 std %i2, [%sp + WINDOWSIZE + 8] 45 mov %i0, %o0 ! pass parameters in %o regs as well, in case 46 mov %i1, %o1 ! we're calling directly into C code (as will 47 mov %i2, %o2 ! happen if the a.out is dynamically linked) 48 jmpl %i4, %o7 ! call the signal handler 49 mov %i3, %o3 50 ret 51 restore 52