/* $NetBSD: profile.h,v 1.5 2006/10/26 23:54:28 uwe Exp $ */ /*- * Copyright (c) 2000 Tsubai Masanari. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #if defined(__ELF__) && defined(__NO_LEADING_UNDERSCORES__) #define _MCOUNT_DECL static void _mcount #else #define _MCOUNT_DECL static void mcount #endif #define MCOUNT __asm (" \n\ .text \n\ .align 2 \n\ .globl __mcount \n\ __mcount: \n\ mov.l r4, @-r15 \n\ mov.l r5, @-r15 \n\ mov.l r6, @-r15 \n\ mov.l r7, @-r15 \n\ mov.l r0, @-r15 \n\ mov.l r14, @-r15 \n\ sts.l pr, @-r15 \n\ mov r15, r14 \n\ \n\ mov.l 1f, r1 ! _mcount \n\ sts pr, r4 ! frompc \n\ 0: bsrf r1 \n\ mov r0, r5 ! selfpc \n\ \n\ mov r14, r15 \n\ lds.l @r15+, pr \n\ mov.l @r15+, r14 \n\ mov.l @r15+, r0 \n\ mov.l @r15+, r7 \n\ mov.l @r15+, r6 \n\ mov.l @r15+, r5 \n\ jmp @r0 ! real fucntion \n\ mov.l @r15+, r4 \n\ \n\ .align 2 \n\ 1: .long _mcount - ((0b) + 4) \n\ \n\ .size __mcount, . - __mcount "); #ifdef _KERNEL #define MCOUNT_ENTER s = splhigh() #define MCOUNT_EXIT splx(s) #endif