1/*	$NetBSD: profile.h,v 1.25 2021/02/18 20:37:02 skrll Exp $	*/
  2
  3/*
  4 * Copyright (c) 1992, 1993
  5 *	The Regents of the University of California.  All rights reserved.
  6 *
  7 * This code is derived from software contributed to Berkeley by
  8 * Ralph Campbell.
  9 *
 10 * Redistribution and use in source and binary forms, with or without
 11 * modification, are permitted provided that the following conditions
 12 * are met:
 13 * 1. Redistributions of source code must retain the above copyright
 14 *    notice, this list of conditions and the following disclaimer.
 15 * 2. Redistributions in binary form must reproduce the above copyright
 16 *    notice, this list of conditions and the following disclaimer in the
 17 *    documentation and/or other materials provided with the distribution.
 18 * 3. Neither the name of the University nor the names of its contributors
 19 *    may be used to endorse or promote products derived from this software
 20 *    without specific prior written permission.
 21 *
 22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 25 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 32 * SUCH DAMAGE.
 33 *
 34 *	@(#)profile.h	8.1 (Berkeley) 6/10/93
 35 */
 36
 37#ifndef _MIPS_PROFILE_H_
 38#define	_MIPS_PROFILE_H_
 39
 40#if defined(_KERNEL_OPT)
 41#include "opt_gprof.h"
 42#endif
 43
 44#ifdef _KERNEL
 45 /*
 46  *  Declare non-profiled _splhigh() /_splx() entrypoints for _mcount.
 47  *  see MCOUNT_ENTER and MCOUNT_EXIT.
 48  */
 49#define	_KERNEL_MCOUNT_DECL		\
 50	int splhigh_noprof(void);	\
 51	void splx_noprof(int);
 52#else   /* !_KERNEL */
 53/* Make __mcount static. */
 54#define	_KERNEL_MCOUNT_DECL	static
 55#endif	/* !_KERNEL */
 56
 57#ifdef _KERNEL
 58# define _PROF_CPLOAD	""
 59#else
 60# define _PROF_CPLOAD	".cpload $25;"
 61#endif
 62
 63
 64#define	_MCOUNT_DECL \
 65    _KERNEL_MCOUNT_DECL \
 66    void __attribute__((unused)) __mcount
 67
 68#ifdef __mips_o32	/* 32-bit version */
 69#define	MCOUNT \
 70	__asm(".globl _mcount;" \
 71	      ".type _mcount,@function;" \
 72	      "_mcount:;" \
 73	      ".set noreorder;" \
 74	      ".set noat;" \
 75	      _PROF_CPLOAD \
 76	      "addu $29,$29,-16;" \
 77	      "sw $4,8($29);" \
 78	      "sw $5,12($29);" \
 79	      "sw $6,16($29);" \
 80	      "sw $7,20($29);" \
 81	      "sw $1,0($29);" \
 82	      "sw $31,4($29);" \
 83	      "move $5,$31;" \
 84	      "move $4,$1;" \
 85	      "jal __mcount;" \
 86	      " nop;" \
 87	      "lw $4,8($29);" \
 88	      "lw $5,12($29);" \
 89	      "lw $6,16($29);" \
 90	      "lw $7,20($29);" \
 91	      "lw $31,4($29);" \
 92	      "lw $1,0($29);" \
 93	      "addu $29,$29,24;" \
 94	      "j $31;" \
 95	      " move $31,$1;" \
 96	      ".set reorder;" \
 97	      ".set at");
 98#else /* 64-bit */
 99#ifdef __mips_o64
100# error yeahnah
101#endif
102#define	MCOUNT \
103	__asm(".globl _mcount;" \
104	      ".type _mcount,@function;" \
105	      "_mcount:;" \
106	      ".set noreorder;" \
107	      ".set noat;" \
108	      _PROF_CPLOAD \
109	      "daddu $29,$29,-80;"\
110	      "sd $4,16($29);" \
111	      "sd $5,24($29);" \
112	      "sd $6,32($29);" \
113	      "sd $7,40($29);" \
114	      "sd $8,48($29);" \
115	      "sd $9,56($29);" \
116	      "sd $10,64($29);" \
117	      "sd $11,72($29);" \
118	      "sd $1,0($29);" \
119	      "sd $31,8($29);" \
120	      "move $5,$31;" \
121	      "move $4,$1;" \
122	      "jal __mcount;" \
123	      " nop;" \
124	      "ld $4,16($29);" \
125	      "ld $5,24($29);" \
126	      "ld $6,32($29);" \
127	      "ld $7,40($29);" \
128	      "ld $8,48($29);" \
129	      "ld $9,56($29);" \
130	      "ld $10,64($29);" \
131	      "ld $11,72($29);" \
132	      "ld $31,8($29);" \
133	      "ld $1,0($29);" \
134	      "daddu $29,$29,80;" \
135	      "j $31;" \
136	      " move $31,$1;" \
137	      ".set reorder;" \
138	      ".set at");
139#endif /* 64-bit */
140
141#ifdef _KERNEL
142/*
143 * The following two macros do splhigh and splx respectively.
144 * We use versions of _splraise() and _splset that don't
145 * including profiling support.
146 */
147
148#define	MCOUNT_ENTER	s = splhigh_noprof()
149
150#define	MCOUNT_EXIT	splx_noprof(s)
151#endif /* _KERNEL */
152
153#endif /* _MIPS_PROFILE_H_ */