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