1 /* $NetBSD: profile.h,v 1.12 1998/09/11 16:46:31 jonathan 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 /* 46 * Declare non-profiled _splhigh() /_splx() entrypoints for _mcount. 47 * see MCOUNT_ENTER and MCOUNT_EXIT. 48 */ 49 #define _KERNEL_MCOUNT_DECL \ 50 extern int _splhigh __P((void)); extern int _splx __P((int)); 51 #else /* !_KERNEL */ 52 /* Make __mcount static. */ 53 #define _KERNEL_MCOUNT_DECL static 54 #endif /* !_KERNEL */ 55 56 #ifdef _KERNEL 57 # define _PROF_CPLOAD "" 58 #else 59 # define _PROF_CPLOAD ".cpload $25;" 60 #endif 61 62 63 #define _MCOUNT_DECL \ 64 _KERNEL_MCOUNT_DECL \ 65 void __attribute__((unused)) __mcount 66 67 #define MCOUNT \ 68 __asm__(".globl _mcount;" \ 69 ".type _mcount,@function;" \ 70 "_mcount:;" \ 71 ".set noreorder;" \ 72 ".set noat;" \ 73 _PROF_CPLOAD \ 74 "sw $4,8($29);" \ 75 "sw $5,12($29);" \ 76 "sw $6,16($29);" \ 77 "sw $7,20($29);" \ 78 "sw $1,0($29);" \ 79 "sw $31,4($29);" \ 80 "move $5,$31;" \ 81 "jal __mcount;" \ 82 "move $4,$1;" \ 83 "lw $4,8($29);" \ 84 "lw $5,12($29);" \ 85 "lw $6,16($29);" \ 86 "lw $7,20($29);" \ 87 "lw $31,4($29);" \ 88 "lw $1,0($29);" \ 89 "addu $29,$29,8;" \ 90 "j $31;" \ 91 "move $31,$1;" \ 92 ".set reorder;" \ 93 ".set at"); 94 95 #ifdef _KERNEL 96 /* 97 * The following two macros do splhigh and splx respectively. 98 * They have to be defined this way because these are real 99 * functions on the MIPS, and we do not want to invoke mcount 100 * recursively. 101 */ 102 #define MCOUNT_ENTER s = _splhigh() 103 104 #define MCOUNT_EXIT _splx(s) 105 #endif /* _KERNEL */ 106 107 #endif /* _MIPS_PROFILE_H_ */ 108