179 lines
4.6 KiB
C
179 lines
4.6 KiB
C
/* $OpenBSD: profile.h,v 1.2 1999/01/27 04:46:05 imp Exp $ */
|
|
/*-
|
|
* SPDX-License-Identifier: BSD-3-Clause
|
|
*
|
|
* Copyright (c) 1992, 1993
|
|
* The Regents of the University of California. All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to Berkeley by
|
|
* Ralph Campbell.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. Neither the name of the University nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* from: @(#)profile.h 8.1 (Berkeley) 6/10/93
|
|
* JNPR: profile.h,v 1.4 2006/12/02 09:53:41 katta
|
|
* $FreeBSD$
|
|
*/
|
|
#ifndef _MACHINE_PROFILE_H_
|
|
#define _MACHINE_PROFILE_H_
|
|
|
|
#define _MCOUNT_DECL void ___mcount
|
|
|
|
/*XXX The cprestore instruction is a "dummy" to shut up as(1). */
|
|
|
|
/*XXX This is not MIPS64 safe. */
|
|
|
|
#define MCOUNT \
|
|
__asm(".text;" \
|
|
".globl _mcount;" \
|
|
".type _mcount,@function;" \
|
|
"_mcount:;" \
|
|
".set noreorder;" \
|
|
".set noat;" \
|
|
".cpload $25;" \
|
|
".cprestore 4;" \
|
|
"sw $4,8($29);" \
|
|
"sw $5,12($29);" \
|
|
"sw $6,16($29);" \
|
|
"sw $7,20($29);" \
|
|
"sw $1,0($29);" \
|
|
"sw $31,4($29);" \
|
|
"move $5,$31;" \
|
|
"jal ___mcount;" \
|
|
"move $4,$1;" \
|
|
"lw $4,8($29);" \
|
|
"lw $5,12($29);" \
|
|
"lw $6,16($29);" \
|
|
"lw $7,20($29);" \
|
|
"lw $31,4($29);" \
|
|
"lw $1,0($29);" \
|
|
"addu $29,$29,8;" \
|
|
"j $31;" \
|
|
"move $31,$1;" \
|
|
".set reorder;" \
|
|
".set at");
|
|
|
|
#ifdef _KERNEL
|
|
#define MCOUNT_DECL(s) u_long s;
|
|
#ifdef SMP
|
|
extern int mcount_lock;
|
|
#define MCOUNT_ENTER(s) { \
|
|
s = intr_disable(); \
|
|
while (!atomic_cmpset_acq_int(&mcount_lock, 0, 1)) \
|
|
/* nothing */ ; \
|
|
}
|
|
#define MCOUNT_EXIT(s) { \
|
|
atomic_store_rel_int(&mcount_lock, 0); \
|
|
intr_restore(s); \
|
|
}
|
|
#else
|
|
#define MCOUNT_ENTER(s) { s = intr_disable(); }
|
|
#define MCOUNT_EXIT(s) (intr_restore(s))
|
|
#endif
|
|
|
|
/* REVISIT for mips */
|
|
/*
|
|
* Config generates something to tell the compiler to align functions on 16
|
|
* byte boundaries. A strict alignment is good for keeping the tables small.
|
|
*/
|
|
#define FUNCTION_ALIGNMENT 16
|
|
|
|
#ifdef GUPROF
|
|
struct gmonparam;
|
|
void stopguprof __P((struct gmonparam *p));
|
|
#else
|
|
#define stopguprof(p)
|
|
#endif /* GUPROF */
|
|
|
|
#else /* !_KERNEL */
|
|
|
|
#define FUNCTION_ALIGNMENT 4
|
|
|
|
#ifdef __mips_n64
|
|
typedef u_long uintfptr_t;
|
|
#else
|
|
typedef u_int uintfptr_t;
|
|
#endif
|
|
|
|
#endif /* _KERNEL */
|
|
|
|
/*
|
|
* An unsigned integral type that can hold non-negative difference between
|
|
* function pointers.
|
|
*/
|
|
#ifdef __mips_n64
|
|
typedef u_long fptrdiff_t;
|
|
#else
|
|
typedef u_int fptrdiff_t;
|
|
#endif
|
|
|
|
#ifdef _KERNEL
|
|
|
|
void mcount(uintfptr_t frompc, uintfptr_t selfpc);
|
|
|
|
#ifdef GUPROF
|
|
struct gmonparam;
|
|
|
|
void nullfunc_loop_profiled(void);
|
|
void nullfunc_profiled(void);
|
|
void startguprof(struct gmonparam *p);
|
|
void stopguprof(struct gmonparam *p);
|
|
#else
|
|
#define startguprof(p)
|
|
#define stopguprof(p)
|
|
#endif /* GUPROF */
|
|
|
|
#else /* !_KERNEL */
|
|
|
|
#include <sys/cdefs.h>
|
|
|
|
__BEGIN_DECLS
|
|
#ifdef __GNUC__
|
|
#ifdef __ELF__
|
|
void mcount(void) __asm(".mcount");
|
|
#else
|
|
void mcount(void) __asm("mcount");
|
|
#endif
|
|
#endif
|
|
void _mcount(uintfptr_t frompc, uintfptr_t selfpc);
|
|
__END_DECLS
|
|
|
|
#endif /* _KERNEL */
|
|
|
|
#ifdef GUPROF
|
|
/* XXX doesn't quite work outside kernel yet. */
|
|
extern int cputime_bias;
|
|
|
|
__BEGIN_DECLS
|
|
int cputime(void);
|
|
void empty_loop(void);
|
|
void mexitcount(uintfptr_t selfpc);
|
|
void nullfunc(void);
|
|
void nullfunc_loop(void);
|
|
__END_DECLS
|
|
#endif
|
|
|
|
#endif /* !_MACHINE_PROFILE_H_ */
|