xref: /onnv-gate/usr/src/lib/libc/amd64/sys/__clock_gettime.s (revision 7298:b69e27387f74)
10Sstevel@tonic-gate/*
20Sstevel@tonic-gate * CDDL HEADER START
30Sstevel@tonic-gate *
40Sstevel@tonic-gate * The contents of this file are subject to the terms of the
5*7298SMark.J.Nelson@Sun.COM * Common Development and Distribution License (the "License").
6*7298SMark.J.Nelson@Sun.COM * You may not use this file except in compliance with the License.
70Sstevel@tonic-gate *
80Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
90Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
100Sstevel@tonic-gate * See the License for the specific language governing permissions
110Sstevel@tonic-gate * and limitations under the License.
120Sstevel@tonic-gate *
130Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
140Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
150Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
160Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
170Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
180Sstevel@tonic-gate *
190Sstevel@tonic-gate * CDDL HEADER END
200Sstevel@tonic-gate */
210Sstevel@tonic-gate/*
220Sstevel@tonic-gate * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
230Sstevel@tonic-gate * Use is subject to license terms.
240Sstevel@tonic-gate */
250Sstevel@tonic-gate
26*7298SMark.J.Nelson@Sun.COM	.file	"__clock_gettime.s"
270Sstevel@tonic-gate
280Sstevel@tonic-gate#include <sys/time_impl.h>
290Sstevel@tonic-gate#include "SYS.h"
300Sstevel@tonic-gate
310Sstevel@tonic-gate/*
320Sstevel@tonic-gate * int
330Sstevel@tonic-gate * __clock_gettime(clockid_t clock_id, timespec_t *tp)
340Sstevel@tonic-gate */
350Sstevel@tonic-gate
360Sstevel@tonic-gate	ENTRY(__clock_gettime)
370Sstevel@tonic-gate	cmpl	$__CLOCK_REALTIME0, %edi	/* if (clock_id) */
380Sstevel@tonic-gate	je	2f				/* equal to __CLOCK_REALTIME0 */
390Sstevel@tonic-gate	cmpl	$CLOCK_REALTIME, %edi		/* or if (clock_id) */
400Sstevel@tonic-gate	jne	1f				/* equal to CLOCK_REALTIME */
410Sstevel@tonic-gate2:
420Sstevel@tonic-gate	pushq	%rsi		/* preserve the timespec_t pointer */
430Sstevel@tonic-gate	SYSFASTTRAP(GETHRESTIME)
440Sstevel@tonic-gate	popq	%rsi
450Sstevel@tonic-gate	movq	%rax, (%rsi)
460Sstevel@tonic-gate	movq	%rdx, 8(%rsi)
470Sstevel@tonic-gate	RETC
480Sstevel@tonic-gate1:
490Sstevel@tonic-gate	SYSTRAP_RVAL1(clock_gettime)
500Sstevel@tonic-gate	SYSCERROR
510Sstevel@tonic-gate	RETC
520Sstevel@tonic-gate	SET_SIZE(__clock_gettime)
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