/*      $OpenBSD: profile.h,v 1.3 2016/05/27 16:32:38 deraadt Exp $     */
/*      $NetBSD: profile.h,v 1.5 2006/10/26 23:54:28 uwe Exp $  */

/*-
 * Copyright (c) 2000 Tsubai Masanari.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#define _MCOUNT_DECL static void _mcount

#define MCOUNT __asm ("                         \n\
        .text                                   \n\
        .align  2                               \n\
        .globl  __mcount                        \n\
__mcount:                                       \n\
        mov.l   r4, @-r15                       \n\
        mov.l   r5, @-r15                       \n\
        mov.l   r6, @-r15                       \n\
        mov.l   r7, @-r15                       \n\
        mov.l   r0, @-r15                       \n\
        mov.l   r14, @-r15                      \n\
        sts.l   pr, @-r15                       \n\
        mov     r15, r14                        \n\
                                                \n\
        mov.l   1f, r1          ! _mcount       \n\
        sts     pr, r4          ! frompc        \n\
0:      bsrf    r1                              \n\
         mov    r0, r5          ! selfpc        \n\
                                                \n\
        mov     r14, r15                        \n\
        lds.l   @r15+, pr                       \n\
        mov.l   @r15+, r14                      \n\
        mov.l   @r15+, r0                       \n\
        mov.l   @r15+, r7                       \n\
        mov.l   @r15+, r6                       \n\
        mov.l   @r15+, r5                       \n\
        jmp     @r0             ! real function \n\
         mov.l  @r15+, r4                       \n\
                                                \n\
        .align  2                               \n\
1:      .long   _mcount - ((0b) + 4)            \n\
                                                \n\
        .size   __mcount, . - __mcount          ");

#ifdef _KERNEL
#define MCOUNT_ENTER    s = splhigh()
#define MCOUNT_EXIT     splx(s)
#endif