/*
 * Copyright (c) 1992, 1993
 *      The Regents of the University of California.  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. 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.
 *
 *      @(#)profile.h   8.1 (Berkeley) 6/11/93
 * $FreeBSD: src/sys/amd64/include/profile.h,v 1.33 2004/01/06 20:36:21 nectar Exp $
 */

#ifndef _CPU_PROFILE_H_
#define _CPU_PROFILE_H_

#include <sys/cdefs.h>

#define FUNCTION_ALIGNMENT      4

#define _MCOUNT_DECL \
static void _mcount(u_long frompc, u_long selfpc) __used; \
static void _mcount

#ifdef  __GNUC__
#define MCOUNT __asm("                  \n\
        .text                           \n\
        .p2align 4,0x90                 \n\
        .globl  .mcount                 \n\
        .type   .mcount,@function       \n\
.mcount:                                \n\
        pushq   %rdi                    \n\
        pushq   %rsi                    \n\
        pushq   %rdx                    \n\
        pushq   %rcx                    \n\
        pushq   %r8                     \n\
        pushq   %r9                     \n\
        pushq   %rax                    \n\
        movq    8(%rbp),%rdi            \n\
        movq    7*8(%rsp),%rsi          \n\
        call    _mcount                 \n\
        popq    %rax                    \n\
        popq    %r9                     \n\
        popq    %r8                     \n\
        popq    %rcx                    \n\
        popq    %rdx                    \n\
        popq    %rsi                    \n\
        popq    %rdi                    \n\
        ret                             \n\
        .size   .mcount, . - .mcount");
#else   /* __GNUC__ */
#define MCOUNT          \
void                    \
mcount()                \
{                       \
}
#endif  /* __GNUC__ */

__BEGIN_DECLS
#ifdef __GNUC__
void    mcount(void) __asm(".mcount");
#endif
__END_DECLS

#endif /* !_CPU_PROFILE_H_ */