| 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_ */ |