/*      $NetBSD: profile.h,v 1.25 2021/02/18 20:37:02 skrll 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.
*
*      @(#)profile.h   8.1 (Berkeley) 6/10/93
*/

#ifndef _MIPS_PROFILE_H_
#define _MIPS_PROFILE_H_

#if defined(_KERNEL_OPT)
#include "opt_gprof.h"
#endif

#ifdef _KERNEL
/*
 *  Declare non-profiled _splhigh() /_splx() entrypoints for _mcount.
 *  see MCOUNT_ENTER and MCOUNT_EXIT.
 */
#define _KERNEL_MCOUNT_DECL             \
       int splhigh_noprof(void);       \
       void splx_noprof(int);
#else   /* !_KERNEL */
/* Make __mcount static. */
#define _KERNEL_MCOUNT_DECL     static
#endif  /* !_KERNEL */

#ifdef _KERNEL
# define _PROF_CPLOAD   ""
#else
# define _PROF_CPLOAD   ".cpload $25;"
#endif


#define _MCOUNT_DECL \
   _KERNEL_MCOUNT_DECL \
   void __attribute__((unused)) __mcount

#ifdef __mips_o32       /* 32-bit version */
#define MCOUNT \
       __asm(".globl _mcount;" \
             ".type _mcount,@function;" \
             "_mcount:;" \
             ".set noreorder;" \
             ".set noat;" \
             _PROF_CPLOAD \
             "addu $29,$29,-16;" \
             "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;" \
             "move $4,$1;" \
             "jal __mcount;" \
             " nop;" \
             "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,$29,24;" \
             "j $31;" \
             " move $31,$1;" \
             ".set reorder;" \
             ".set at");
#else /* 64-bit */
#ifdef __mips_o64
# error yeahnah
#endif
#define MCOUNT \
       __asm(".globl _mcount;" \
             ".type _mcount,@function;" \
             "_mcount:;" \
             ".set noreorder;" \
             ".set noat;" \
             _PROF_CPLOAD \
             "daddu $29,$29,-80;"\
             "sd $4,16($29);" \
             "sd $5,24($29);" \
             "sd $6,32($29);" \
             "sd $7,40($29);" \
             "sd $8,48($29);" \
             "sd $9,56($29);" \
             "sd $10,64($29);" \
             "sd $11,72($29);" \
             "sd $1,0($29);" \
             "sd $31,8($29);" \
             "move $5,$31;" \
             "move $4,$1;" \
             "jal __mcount;" \
             " nop;" \
             "ld $4,16($29);" \
             "ld $5,24($29);" \
             "ld $6,32($29);" \
             "ld $7,40($29);" \
             "ld $8,48($29);" \
             "ld $9,56($29);" \
             "ld $10,64($29);" \
             "ld $11,72($29);" \
             "ld $31,8($29);" \
             "ld $1,0($29);" \
             "daddu $29,$29,80;" \
             "j $31;" \
             " move $31,$1;" \
             ".set reorder;" \
             ".set at");
#endif /* 64-bit */

#ifdef _KERNEL
/*
* The following two macros do splhigh and splx respectively.
* We use versions of _splraise() and _splset that don't
* including profiling support.
*/

#define MCOUNT_ENTER    s = splhigh_noprof()

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

#endif /* _MIPS_PROFILE_H_ */