1 /* $NetBSD: profile.h,v 1.6 2022/07/26 19:49:32 andvar Exp $ */ 2 3 /*- 4 * Copyright (c) 2000 Tsubai Masanari. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #if defined(__ELF__) && defined(__NO_LEADING_UNDERSCORES__) 30 #define _MCOUNT_DECL static void _mcount 31 #else 32 #define _MCOUNT_DECL static void mcount 33 #endif 34 35 #define MCOUNT __asm (" \n\ 36 .text \n\ 37 .align 2 \n\ 38 .globl __mcount \n\ 39 __mcount: \n\ 40 mov.l r4, @-r15 \n\ 41 mov.l r5, @-r15 \n\ 42 mov.l r6, @-r15 \n\ 43 mov.l r7, @-r15 \n\ 44 mov.l r0, @-r15 \n\ 45 mov.l r14, @-r15 \n\ 46 sts.l pr, @-r15 \n\ 47 mov r15, r14 \n\ 48 \n\ 49 mov.l 1f, r1 ! _mcount \n\ 50 sts pr, r4 ! frompc \n\ 51 0: bsrf r1 \n\ 52 mov r0, r5 ! selfpc \n\ 53 \n\ 54 mov r14, r15 \n\ 55 lds.l @r15+, pr \n\ 56 mov.l @r15+, r14 \n\ 57 mov.l @r15+, r0 \n\ 58 mov.l @r15+, r7 \n\ 59 mov.l @r15+, r6 \n\ 60 mov.l @r15+, r5 \n\ 61 jmp @r0 ! real function \n\ 62 mov.l @r15+, r4 \n\ 63 \n\ 64 .align 2 \n\ 65 1: .long _mcount - ((0b) + 4) \n\ 66 \n\ 67 .size __mcount, . - __mcount "); 68 69 #ifdef _KERNEL 70 #define MCOUNT_ENTER s = splhigh() 71 #define MCOUNT_EXIT splx(s) 72 #endif 73