/*      $OpenBSD: profile.h,v 1.5 2019/04/19 09:19:22 visa Exp $        */

/*
 * Copyright (c) 1992, 1993
 *      The Regents of the University of California.  All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * Ralph Campbell.
 *
 * 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. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
 *
 *      from: @(#)profile.h     8.1 (Berkeley) 6/10/93
 */
#ifndef _MIPS64_PROFILE_H_
#define _MIPS64_PROFILE_H_

#define _MCOUNT_DECL static void ___mcount

/*XXX The cprestore instruction is a "dummy" to shut up as(1). */

#define MCOUNT \
        __asm(".globl _mcount;"         \
        ".type _mcount,@function;"      \
        "_mcount:;"                     \
        ".set noreorder;"               \
        ".set noat;"                    \
        ".cpload $25;"                  \
        ".cprestore 4;"                 \
        "sd $4,16($29);"                \
        "sd $5,24($29);"                \
        "sd $6,32($29);"                \
        "sd $7,40($29);"                \
        "sd $1,0($29);"                 \
        "sd $31,8($29);"                \
        "move $5,$31;"                  \
        ".local ___mcount;"             \
        "jal ___mcount;"                \
        "move $4,$1;"                   \
        "ld $4,16($29);"                \
        "ld $5,24($29);"                \
        "ld $6,32($29);"                \
        "ld $7,40($29);"                \
        "ld $31,8($29);"                \
        "ld $1,0($29);"                 \
        "daddu $29,$29,16;"             \
        "j $31;"                        \
        "move $31,$1;"                  \
        ".set reorder;"                 \
        ".set at");

#ifdef _KERNEL
/*
 * The following two macros do splhigh and splx respectively.
 * They have to be defined this way because these are real
 * functions on the MIPS, and we do not want to invoke mcount
 * recursively.
 */
#define MCOUNT_ENTER    s = _splhigh()

#define MCOUNT_EXIT     _splx(s)
#endif /* _KERNEL */

#endif /* !_MIPS64_PROFILE_H_ */