root/usr/src/cmd/dtrace/test/tst/sparc/pid/tst.branch.S
/*
 * 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]
 *
 * CDDL HEADER END
 */

/*
 * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#include <sys/asm_linkage.h>

        DGDEF(__fsr_init_value)
        .word 0

        ENTRY(waiting)
        retl
        ldub    [%o0], %o0
        SET_SIZE(waiting)

        ENTRY(main)
        save    %sp, -SA(MINFRAME + 4), %sp
        stb     %g0, [%fp - 4]
1:
        call    waiting
        sub     %fp, 4, %o0
        tst     %o0
        bz      1b
        nop

        restore

        tst     %g0
        be      other
        nop

        ALTENTRY(bad)
        illtrap
        SET_SIZE(bad)
        SET_SIZE(main)

        ENTRY(other)
        retl
        clr     %o0
        SET_SIZE(other)