ae4eae4f63
consistent with the (default) prepending of underscores to identifiers. Because this reference is inside an ASM string it's too hairy to conditionalize to support different toolchains that don't prepend underscores. (Just don't do profiling with such toolchains.)
80 lines
2.8 KiB
C
80 lines
2.8 KiB
C
/* $NetBSD: profile.h,v 1.6 1995/05/31 00:25:06 jonathan Exp $ */
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/*
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* Copyright (c) 1992, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Ralph Campbell.
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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. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)profile.h 8.1 (Berkeley) 6/10/93
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*/
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#define _MCOUNT_DECL static void __mcount
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#define MCOUNT \
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asm(".globl _mcount;" \
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"_mcount:;" \
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".set noreorder;" \
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".set noat;" \
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"sw $4,8($29);" \
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"sw $5,12($29);" \
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"sw $6,16($29);" \
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"sw $7,20($29);" \
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"sw $1,0($29);" \
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"sw $31,4($29);" \
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"move $5,$31;" \
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"jal ___mcount;" \
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"move $4,$1;" \
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"lw $4,8($29);" \
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"lw $5,12($29);" \
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"lw $6,16($29);" \
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"lw $7,20($29);" \
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"lw $31,4($29);" \
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"lw $1,0($29);" \
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"addu $29,$29,8;" \
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"j $31;" \
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"move $31,$1;" \
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".set reorder;" \
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".set at");
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#ifdef _KERNEL
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/*
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* The following two macros do splhigh and splx respectively.
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* They have to be defined this way because these are real
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* functions on the PMAX, and we do not want to invoke mcount
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* recursively.
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*/
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#define MCOUNT_ENTER s = _splhigh()
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#define MCOUNT_EXIT _splx(s)
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#endif /* _KERNEL */
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