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/* $OpenBSD: profile.h,v 1.1 2004/08/06 20:56:02 pefo 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. 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 _MIPS_PROFILE_H_
#define _MIPS_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;" \
"sw $4,8($29);" \
"sw $5,12($29);" \
"sw $6,16($29);" \
"sw $7,20($29);" \
"sw $1,0($29);" \
"sw $31,4($29);" \
"move $5,$31;" \
"jal ___mcount;" \
"move $4,$1;" \
"lw $4,8($29);" \
"lw $5,12($29);" \
"lw $6,16($29);" \
"lw $7,20($29);" \
"lw $31,4($29);" \
"lw $1,0($29);" \
"addu $29,$29,8;" \
"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 /* !_MIPS_PROFILE_H_ */
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