xref: /titanic_41/usr/src/lib/libc/sparcv9/fp/fpgetsticky.s (revision fcf3ce441efd61da9bb2884968af01cb7c1452cc)
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 (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21
22/*
23 * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
24 * Use is subject to license terms.
25 */
26
27/*	Copyright (c) 1988 AT&T	*/
28/*	  All Rights Reserved	*/
29
30	.file	"fpgetsticky.s"
31
32#include "SYS.h"
33
34	ANSI_PRAGMA_WEAK(fpgetsticky,function)
35
36	ENTRY(fpgetsticky)
37	add	%sp, -SA(MINFRAME), %sp	! get an additional word of storage
38	set	0x000003e0, %o4		! mask of accrued exception bits
39	st	%fsr, [%sp+STACK_BIAS+ARGPUSH]	! get fsr value
40	ld	[%sp+STACK_BIAS+ARGPUSH], %o0	! load into register
41	and	%o0, %o4, %o0		! mask off bits of interest
42	srl	%o0, 5, %o0		! return accrued exception value
43	retl
44	add	%sp, SA(MINFRAME), %sp	! reclaim stack space
45
46	SET_SIZE(fpgetsticky)
47