| 1 | /* $OpenBSD: profile.h,v 1.5 2019/04/19 09:19:22 visa 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 | *	from: @(#)profile.h	8.1 (Berkeley) 6/10/93 |
| 35 | */ |
| 36 | #ifndef	_MIPS64_PROFILE_H_ |
| 37 | #define	_MIPS64_PROFILE_H_ |
| 38 | |
| 39 | #define	_MCOUNT_DECL static void ___mcount |
| 40 | |
| 41 | /*XXX The cprestore instruction is a "dummy" to shut up as(1). */ |
| 42 | |
| 43 | #define	MCOUNT \ |
| 44 | 	__asm(".globl _mcount;"		\ |
| 45 | 	".type _mcount,@function;"	\ |
| 46 | 	"_mcount:;"			\ |
| 47 | 	".set noreorder;"		\ |
| 48 | 	".set noat;"			\ |
| 49 | 	".cpload $25;"			\ |
| 50 | 	".cprestore 4;"			\ |
| 51 | 	"sd $4,16($29);"		\ |
| 52 | 	"sd $5,24($29);"		\ |
| 53 | 	"sd $6,32($29);"		\ |
| 54 | 	"sd $7,40($29);"		\ |
| 55 | 	"sd $1,0($29);"			\ |
| 56 | 	"sd $31,8($29);"		\ |
| 57 | 	"move $5,$31;"			\ |
| 58 | 	".local ___mcount;"		\ |
| 59 | 	"jal ___mcount;"		\ |
| 60 | 	"move $4,$1;"			\ |
| 61 | 	"ld $4,16($29);"		\ |
| 62 | 	"ld $5,24($29);"		\ |
| 63 | 	"ld $6,32($29);"		\ |
| 64 | 	"ld $7,40($29);"		\ |
| 65 | 	"ld $31,8($29);"		\ |
| 66 | 	"ld $1,0($29);"			\ |
| 67 | 	"daddu $29,$29,16;"		\ |
| 68 | 	"j $31;"			\ |
| 69 | 	"move $31,$1;"			\ |
| 70 | 	".set reorder;"			\ |
| 71 | 	".set at"); |
| 72 | |
| 73 | #ifdef _KERNEL |
| 74 | /* |
| 75 | * The following two macros do splhigh and splx respectively. |
| 76 | * They have to be defined this way because these are real |
| 77 | * functions on the MIPS, and we do not want to invoke mcount |
| 78 | * recursively. |
| 79 | */ |
| 80 | #define	MCOUNT_ENTER	s = _splhigh() |
| 81 | |
| 82 | #define	MCOUNT_EXIT	_splx(s) |
| 83 | #endif /* _KERNEL */ |
| 84 | |
| 85 | #endif /* !_MIPS64_PROFILE_H_ */ |