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_ */ 154