xref: /src/sys/arch/sh3/include/profile.h

/*	$NetBSD: profile.h,v 1.3 2002/02/04 08:33:34 thorpej 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.
 */

#if defined(__ELF__) && defined(__NO_LEADING_UNDERSCORES__)
#define	_MCOUNT_DECL static void _mcount
#else
#define _MCOUNT_DECL static void mcount
#endif

#define MCOUNT __asm ("			\n\
	.text				\n\
	.align	2			\n\
	.globl	__mcount		\n\
__mcount:				\n\
	mov.l	r0,@-r15		\n\
	mov.l	r4,@-r15		\n\
	mov.l	r5,@-r15		\n\
	mov.l	r6,@-r15		\n\
	mov.l	r7,@-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\
	mov	r0,r5	! selfpc	\n\
	jsr	@r1			\n\
	nop				\n\
					\n\
	mov	r14,r15			\n\
	lds.l	@r15+,pr		\n\
	mov.l	@r15+,r14		\n\
	mov.l	@r15+,r7		\n\
	mov.l	@r15+,r6		\n\
	mov.l	@r15+,r5		\n\
	mov.l	@r15+,r4		\n\
	mov.l	@r15+,r0		\n\
					\n\
	jmp	@r0	! return	\n\
	nop				\n\
					\n\
	.align	2			\n\
1:	.long	_mcount			");

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