1*0536d96dSmatt/* $NetBSD: compat___sigtramp2.S,v 1.3 2011/01/29 22:58:47 matt Exp $ */ 28b121c70Smatt 38b121c70Smatt/* 48b121c70Smatt * Copyright (c) 2002 Anders Magnusson, (ragge@NetBSD.org). 58b121c70Smatt * All rights reserved. 68b121c70Smatt * 78b121c70Smatt * Redistribution and use in source and binary forms, with or without 88b121c70Smatt * modification, are permitted provided that the following conditions 98b121c70Smatt * are met: 108b121c70Smatt * 1. Redistributions of source code must retain the above copyright 118b121c70Smatt * notice, this list of conditions and the following disclaimer. 128b121c70Smatt * 2. Redistributions in binary form must reproduce the above copyright 138b121c70Smatt * notice, this list of conditions and the following disclaimer in the 148b121c70Smatt * documentation and/or other materials provided with the distribution. 158b121c70Smatt * 3. The name of the author may not be used to endorse or promote products 168b121c70Smatt * derived from this software without specific prior written permission 178b121c70Smatt * 188b121c70Smatt * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 198b121c70Smatt * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 208b121c70Smatt * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 218b121c70Smatt * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 228b121c70Smatt * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 238b121c70Smatt * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 248b121c70Smatt * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 258b121c70Smatt * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 268b121c70Smatt * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 278b121c70Smatt * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 288b121c70Smatt */ 298b121c70Smatt 308b121c70Smatt/* 318b121c70Smatt * Signal trampoline; registers when called: 328b121c70Smatt * sp, pc, psl - obvious 338b121c70Smatt * ap - points to argument list, see machdep.c:sendsig() 348b121c70Smatt * fp - address of signal handler 358b121c70Smatt */ 368b121c70Smatt 378b121c70Smatt#include "SYS.h" 388b121c70Smatt 39787e823fSmatt#ifdef SYSLIBC_SCCS 40*0536d96dSmattRCSID("$NetBSD: compat___sigtramp2.S,v 1.3 2011/01/29 22:58:47 matt Exp $") 41787e823fSmatt#endif 42787e823fSmatt 438b121c70Smatt .text 448b121c70Smatt _ALIGN_TEXT 458b121c70Smatt 468b121c70Smatt .globl _C_LABEL(__sigtramp_sigcontext_2) 478b121c70Smatt_C_LABEL(__sigtramp_sigcontext_2): 48787e823fSmatt nop; nop; 498b121c70Smatt pushr $(R0|R1|R2|R3|R4|R5) # save scratch registers 508b121c70Smatt callg (%ap),(%fp) # use global arg list 518b121c70Smatt popr $(R0|R1|R2|R3|R4|R5) # restore regs 528b121c70Smatt movab 8(%ap),%ap # arg is pointer to sigctx 538b121c70Smatt SYSTRAP(compat_16___sigreturn14) # exit from here 548b121c70Smatt halt # illegal insn 55*0536d96dSmattEND(__sigtramp_sigcontext_2) 56