fbbd9655e5
Renumber cluase 4 to 3, per what everybody else did when BSD granted them permission to remove clause 3. My insistance on keeping the same numbering for legal reasons is too pedantic, so give up on that point. Submitted by: Jan Schaumann <jschauma@stevens.edu> Pull Request: https://github.com/freebsd/freebsd/pull/96
183 lines
4.7 KiB
C
183 lines
4.7 KiB
C
/* $OpenBSD: profile.h,v 1.2 1999/01/27 04:46:05 imp 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. 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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* from: @(#)profile.h 8.1 (Berkeley) 6/10/93
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* JNPR: profile.h,v 1.4 2006/12/02 09:53:41 katta
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* $FreeBSD$
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*/
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#ifndef _MACHINE_PROFILE_H_
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#define _MACHINE_PROFILE_H_
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#define _MCOUNT_DECL void ___mcount
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/*XXX The cprestore instruction is a "dummy" to shut up as(1). */
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/*XXX This is not MIPS64 safe. */
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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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".cpload $25;" \
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".cprestore 4;" \
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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 MIPS, and we do not want to invoke mcount
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* recursively.
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*/
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#define MCOUNT_DECL(s) u_long s;
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#ifdef SMP
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extern int mcount_lock;
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#define MCOUNT_ENTER(s) { \
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s = intr_disable(); \
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while (!atomic_cmpset_acq_int(&mcount_lock, 0, 1)) \
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/* nothing */ ; \
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}
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#define MCOUNT_EXIT(s) { \
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atomic_store_rel_int(&mcount_lock, 0); \
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intr_restore(s); \
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}
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#else
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#define MCOUNT_ENTER(s) { s = intr_disable(); }
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#define MCOUNT_EXIT(s) (intr_restore(s))
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#endif
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/* REVISIT for mips */
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/*
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* Config generates something to tell the compiler to align functions on 16
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* byte boundaries. A strict alignment is good for keeping the tables small.
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*/
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#define FUNCTION_ALIGNMENT 16
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#ifdef GUPROF
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struct gmonparam;
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void stopguprof __P((struct gmonparam *p));
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#else
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#define stopguprof(p)
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#endif /* GUPROF */
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#else /* !_KERNEL */
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#define FUNCTION_ALIGNMENT 4
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#ifdef __mips_n64
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typedef u_long uintfptr_t;
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#else
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typedef u_int uintfptr_t;
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#endif
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#endif /* _KERNEL */
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/*
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* An unsigned integral type that can hold non-negative difference between
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* function pointers.
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*/
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#ifdef __mips_n64
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typedef u_long fptrdiff_t;
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#else
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typedef u_int fptrdiff_t;
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#endif
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#ifdef _KERNEL
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void mcount(uintfptr_t frompc, uintfptr_t selfpc);
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#ifdef GUPROF
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struct gmonparam;
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void nullfunc_loop_profiled(void);
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void nullfunc_profiled(void);
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void startguprof(struct gmonparam *p);
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void stopguprof(struct gmonparam *p);
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#else
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#define startguprof(p)
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#define stopguprof(p)
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#endif /* GUPROF */
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#else /* !_KERNEL */
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#include <sys/cdefs.h>
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__BEGIN_DECLS
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#ifdef __GNUC__
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#ifdef __ELF__
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void mcount(void) __asm(".mcount");
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#else
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void mcount(void) __asm("mcount");
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#endif
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#endif
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void _mcount(uintfptr_t frompc, uintfptr_t selfpc);
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__END_DECLS
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#endif /* _KERNEL */
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#ifdef GUPROF
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/* XXX doesn't quite work outside kernel yet. */
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extern int cputime_bias;
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__BEGIN_DECLS
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int cputime(void);
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void empty_loop(void);
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void mexitcount(uintfptr_t selfpc);
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void nullfunc(void);
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void nullfunc_loop(void);
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__END_DECLS
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#endif
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#endif /* !_MACHINE_PROFILE_H_ */
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