f7dacc7a8e
This keeps the SR management more contained in locore, and should be roughly the same performance as the .text size is less. Talked to simonb and he was ok with this change.
110 lines
3.4 KiB
C
110 lines
3.4 KiB
C
/* $NetBSD: profile.h,v 1.15 2000/07/18 06:25:32 jeffs 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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#ifndef _MIPS_PROFILE_H_
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#define _MIPS_PROFILE_H_
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#ifdef _KERNEL
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/*
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* Declare non-profiled _splhigh() /_splx() entrypoints for _mcount.
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* see MCOUNT_ENTER and MCOUNT_EXIT.
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*/
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#define _KERNEL_MCOUNT_DECL \
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int _splraise_noprof __P((int)); \
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int _splset_noprof __P((int));
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#else /* !_KERNEL */
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/* Make __mcount static. */
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#define _KERNEL_MCOUNT_DECL static
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#endif /* !_KERNEL */
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#ifdef _KERNEL
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# define _PROF_CPLOAD ""
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#else
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# define _PROF_CPLOAD ".cpload $25;"
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#endif
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#define _MCOUNT_DECL \
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_KERNEL_MCOUNT_DECL \
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void __attribute__((unused)) __mcount
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#define MCOUNT \
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__asm__(".globl _mcount;" \
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".type _mcount,@function;" \
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"_mcount:;" \
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".set noreorder;" \
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".set noat;" \
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_PROF_CPLOAD \
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"addu $29,$29,-16;" \
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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,$29,24;" \
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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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* We use versions of _splraise() and _splset that don't
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* including profiling support.
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*/
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#define MCOUNT_ENTER s = _splraise_noprof(MIPS_INT_MASK)
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#define MCOUNT_EXIT (void)_splset_noprof(s)
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#endif /* _KERNEL */
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#endif /* _MIPS_PROFILE_H_ */
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