profile.h revision 1.14
1 /* $NetBSD: profile.h,v 1.14 2000/05/25 03:07:10 simonb 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. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the University of 21 * California, Berkeley and its contributors. 22 * 4. Neither the name of the University nor the names of its contributors 23 * may be used to endorse or promote products derived from this software 24 * without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 29 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 30 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36 * SUCH DAMAGE. 37 * 38 * @(#)profile.h 8.1 (Berkeley) 6/10/93 39 */ 40 41 #ifndef _MIPS_PROFILE_H_ 42 #define _MIPS_PROFILE_H_ 43 44 #ifdef _KERNEL 45 # define _PROF_CPLOAD "" 46 #else 47 # define _PROF_CPLOAD ".cpload $25;" 48 #endif 49 50 #define _MCOUNT_DECL \ 51 static void __attribute__((unused)) __mcount 52 53 #define MCOUNT \ 54 __asm__(".globl _mcount;" \ 55 ".type _mcount,@function;" \ 56 "_mcount:;" \ 57 ".set noreorder;" \ 58 ".set noat;" \ 59 _PROF_CPLOAD \ 60 "subu $29,$29,16;" \ 61 "sw $4,8($29);" \ 62 "sw $5,12($29);" \ 63 "sw $6,16($29);" \ 64 "sw $7,20($29);" \ 65 "sw $1,0($29);" \ 66 "sw $31,4($29);" \ 67 "move $5,$31;" \ 68 "jal __mcount;" \ 69 "move $4,$1;" \ 70 "lw $4,8($29);" \ 71 "lw $5,12($29);" \ 72 "lw $6,16($29);" \ 73 "lw $7,20($29);" \ 74 "lw $31,4($29);" \ 75 "lw $1,0($29);" \ 76 "addu $29,$29,24;" \ 77 "j $31;" \ 78 "move $31,$1;" \ 79 ".set reorder;" \ 80 ".set at"); 81 82 #ifdef _KERNEL 83 /* 84 * Block interrupts during mcount so that those interrupts can also be 85 * counted (as soon as we get done with the current counting). 86 */ 87 88 /* $1 is at, $8 is t0, $12 is MIPS_COP_0_STATUS */ 89 #define MCOUNT_ENTER __asm__( \ 90 ".set noat;" \ 91 ".set noreorder;" \ 92 "mfc0 $1,$12;" \ 93 "nop;" \ 94 "andi %0,$1,1;" \ 95 "beq $1,$0,1f;" \ 96 "li $8,-2;" \ 97 "and $1,$1,$8;" \ 98 "mtc0 $1,$12;" \ 99 "nop;" \ 100 "1:;" \ 101 ".set at;" \ 102 ".set reorder" : "=g" (s) :: "t0", "at"); 103 104 #define MCOUNT_EXIT __asm__( \ 105 ".set noat;" \ 106 ".set noreorder;" \ 107 "beq %0,$0,1f;" \ 108 "mfc0 $1,$12;" \ 109 "nop;" \ 110 "ori $1,$1,1;" \ 111 "mtc0 $1,$12;" \ 112 "nop;" \ 113 "1:;" \ 114 ".set at;" \ 115 ".set reorder" :: "g" (s) : "at"); 116 117 #endif /* _KERNEL */ 118 #endif /* _MIPS_PROFILE_H_ */ 119
Indexes created Wed Sep 24 02:09:48 GMT 2025