text: /*	$NetBSD: profile.h,v 1.5 2001/11/03 20:24:43 thorpej Exp $ */
  
  /*
   * Copyright (c) 1992, 1993
   *	The Regents of the University of California.  All rights reserved.
   *
   * This software was developed by the Computer Systems Engineering group
   * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
   * contributed to Berkeley.
   *
   * All advertising materials mentioning features or use of this software
   * must display the following acknowledgement:
   *	This product includes software developed by the University of
   *	California, Lawrence Berkeley Laboratory.
   *
   * 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. All advertising materials mentioning features or use of this software
   *    must display the following acknowledgement:
   *	This product includes software developed by the University of
   *	California, Berkeley and its contributors.
   * 4. 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.
   *
   *	@(#)profile.h	8.1 (Berkeley) 6/11/93
   */
  
  #ifdef __ELF__
  #define _MCOUNT_SYM "__mcount"
  #define	_MCOUNT_ENTRY "_mcount"
  #else
  #define _MCOUNT_SYM "___mcount"
  #define	_MCOUNT_ENTRY "mcount"
  #endif
  
  #ifdef PIC
  /* Inline expansion of PICCY_SET() (see <machine/asm.h>). */
  #define MCOUNT \
  	__asm__(".global " _MCOUNT_ENTRY);\
  	__asm__(_MCOUNT_ENTRY ":");\
  	__asm__("add %o7, 8, %o1");\
  	__asm__("1: rd %pc, %o2");\
  	__asm__("add %o2," _MCOUNT_SYM "-1b, %o2");\
  	__asm__("ld [%o2], %o2");\
  	__asm__("jmpl %o2, %g0");\
  	__asm__("add %i7, 8, %o0");
  #else
  #define MCOUNT \
  	__asm__(".global " _MCOUNT_ENTRY);\
  	__asm__(_MCOUNT_ENTRY ":");\
  	__asm__("add %i7, 8, %o0");\
  	__asm__("sethi %hi(" _MCOUNT_SYM "), %o2");\
  	__asm__("jmpl %o2 + %lo(" _MCOUNT_SYM "), %g0");\
  	__asm__("add %o7, 8, %o1");
  #endif
  
  #define	_MCOUNT_DECL	static void __mcount
  
  #ifdef _KERNEL
  /*
   * Block interrupts during mcount so that those interrupts can also be
   * counted (as soon as we get done with the current counting).  On the
   * SPARC, we just splhigh/splx as those do not recursively invoke mcount.
   */
  #define	MCOUNT_ENTER	s = splhigh()
  #define	MCOUNT_EXIT	splx(s)
  #endif /* _KERNEL */
  