C++程序  |  63行  |  2.6 KB

/*	$NetBSD: profile.h,v 1.6 1995/03/28 18:17:08 jtc Exp $	*/

/*
 * Copyright (c) 1992, 1993
 *	The Regents of the University of California.  All rights reserved.
 *
 * 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.
 * 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
 */

/*
 * This file is taken from Cygwin distribution. Please keep it in sync.
 * The differences should be within __MINGW32__ guard.
 */

#include <_mingw_mac.h>

/* If compiler doesn't inline, at least avoid passing args on the stack. */
#ifndef _WIN64
#define _MCOUNT_CALL __attribute__ ((regparm (2)))
#else
#define _MCOUNT_CALL
#endif

#define _MCOUNT_DECL __attribute__((gnu_inline)) __inline__ \
   void _MCOUNT_CALL _mcount_private

/* gcc always assumes the mcount public symbol has a single leading underscore
   for our target.  See gcc/config/i386.h; it isn't overridden in
   config/i386/cygming.h or any other places for mingw */
extern void __MINGW_LSYMBOL(mcount)(void);

/* FIXME: This works, but it would be cleaner to convert mcount into an
   assembler stub that calls an extern  _mcount.
   Older versions of GCC (pre-4.1) will still fail with regparm since the
   compiler used %edx to store an unneeded counter variable.  */

#define	MCOUNT