/* $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_ */