1 /* $NetBSD: profile.h,v 1.20 2005/12/24 23:24:01 perry 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 #ifdef _KERNEL 41 /* 42 * Declare non-profiled _splhigh() /_splx() entrypoints for _mcount. 43 * see MCOUNT_ENTER and MCOUNT_EXIT. 44 */ 45 #define _KERNEL_MCOUNT_DECL \ 46 int _splraise_noprof(int); \ 47 int _splset_noprof(int); 48 #else /* !_KERNEL */ 49 /* Make __mcount static. */ 50 #define _KERNEL_MCOUNT_DECL static 51 #endif /* !_KERNEL */ 52 53 #ifdef _KERNEL 54 # define _PROF_CPLOAD "" 55 #else 56 # define _PROF_CPLOAD ".cpload $25;" 57 #endif 58 59 60 #define _MCOUNT_DECL \ 61 _KERNEL_MCOUNT_DECL \ 62 void __attribute__((unused)) __mcount 63 64 #define MCOUNT \ 65 __asm(".globl _mcount;" \ 66 ".type _mcount,@function;" \ 67 "_mcount:;" \ 68 ".set noreorder;" \ 69 ".set noat;" \ 70 _PROF_CPLOAD \ 71 "addu $29,$29,-16;" \ 72 "sw $4,8($29);" \ 73 "sw $5,12($29);" \ 74 "sw $6,16($29);" \ 75 "sw $7,20($29);" \ 76 "sw $1,0($29);" \ 77 "sw $31,4($29);" \ 78 "move $5,$31;" \ 79 "move $4,$1;" \ 80 "jal __mcount;" \ 81 "nop;" \ 82 "lw $4,8($29);" \ 83 "lw $5,12($29);" \ 84 "lw $6,16($29);" \ 85 "lw $7,20($29);" \ 86 "lw $31,4($29);" \ 87 "lw $1,0($29);" \ 88 "addu $29,$29,24;" \ 89 "j $31;" \ 90 "move $31,$1;" \ 91 ".set reorder;" \ 92 ".set at"); 93 94 #ifdef _KERNEL 95 /* 96 * The following two macros do splhigh and splx respectively. 97 * We use versions of _splraise() and _splset that don't 98 * including profiling support. 99 */ 100 101 #define MCOUNT_ENTER s = _splraise_noprof(MIPS_INT_MASK) 102 103 #define MCOUNT_EXIT (void)_splset_noprof(s) 104 #endif /* _KERNEL */ 105 106 #endif /* _MIPS_PROFILE_H_ */ 107