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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* 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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* 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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