profile.h revision 1.16
1 /* $NetBSD: profile.h,v 1.16 2002/02/05 07:12:20 thorpej 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 int _splraise_noprof __P((int)); \ 51 int _splset_noprof __P((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 #define MCOUNT \ 69 __asm__(".globl _mcount;" \ 70 ".type _mcount,@function;" \ 71 "_mcount:;" \ 72 ".set noreorder;" \ 73 ".set noat;" \ 74 _PROF_CPLOAD \ 75 "addu $29,$29,-16;" \ 76 "sw $4,8($29);" \ 77 "sw $5,12($29);" \ 78 "sw $6,16($29);" \ 79 "sw $7,20($29);" \ 80 "sw $1,0($29);" \ 81 "sw $31,4($29);" \ 82 "move $5,$31;" \ 83 "move $4,$1;" \ 84 "jal __mcount;" \ 85 "nop;" \ 86 "lw $4,8($29);" \ 87 "lw $5,12($29);" \ 88 "lw $6,16($29);" \ 89 "lw $7,20($29);" \ 90 "lw $31,4($29);" \ 91 "lw $1,0($29);" \ 92 "addu $29,$29,24;" \ 93 "j $31;" \ 94 "move $31,$1;" \ 95 ".set reorder;" \ 96 ".set at"); 97 98 #ifdef _KERNEL 99 /* 100 * The following two macros do splhigh and splx respectively. 101 * We use versions of _splraise() and _splset that don't 102 * including profiling support. 103 */ 104 105 #define MCOUNT_ENTER s = _splraise_noprof(MIPS_INT_MASK) 106 107 #define MCOUNT_EXIT (void)_splset_noprof(s) 108 #endif /* _KERNEL */ 109 110 #endif /* _MIPS_PROFILE_H_ */ 111
Indexes created Tue Sep 23 13:09:54 GMT 2025