tst.ValidPointer2.d   [plain text]

/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (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]
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 * CDDL HEADER END
 */

/*
 * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#pragma ident	"@(#)tst.ValidPointer2.d	1.1	06/08/28 SMI"

/*
 * ASSERTION: Demonstrating valid memory access.
 *
 * SECTION: Pointers and Arrays/Pointers and Addresses
 *
 * NOTES:
 *
 */

#pragma D option quiet

BEGIN
{
	x = (int *)alloca(sizeof (int));
	printf("Address x: %x\n", (int) x);
	y = (int *) (x + 2);
	*y = 3;
	printf("Address y: %x\tValue: %d\n", (int) y, *y);

	exit(0);
}