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profile.h revision 1.7.8.1 
      1  1.7.8.1  nathanw /*      $NetBSD: profile.h,v 1.7.8.1 2002/02/28 04:12:30 nathanw Exp $ */
      2      1.1    ragge /*
      3      1.3    ragge  * Copyright (c) 1992 The Regents of the University of California.
      4      1.1    ragge  * All rights reserved.
      5      1.1    ragge  *
      6      1.1    ragge  * Redistribution and use in source and binary forms, with or without
      7      1.1    ragge  * modification, are permitted provided that the following conditions
      8      1.1    ragge  * are met:
      9      1.1    ragge  * 1. Redistributions of source code must retain the above copyright
     10      1.1    ragge  *    notice, this list of conditions and the following disclaimer.
     11      1.1    ragge  * 2. Redistributions in binary form must reproduce the above copyright
     12      1.1    ragge  *    notice, this list of conditions and the following disclaimer in the
     13      1.1    ragge  *    documentation and/or other materials provided with the distribution.
     14      1.1    ragge  * 3. All advertising materials mentioning features or use of this software
     15      1.1    ragge  *    must display the following acknowledgement:
     16      1.3    ragge  *      This product includes software developed by the University of
     17      1.3    ragge  *      California, Berkeley and its contributors.
     18      1.3    ragge  * 4. Neither the name of the University nor the names of its contributors
     19      1.3    ragge  *    may be used to endorse or promote products derived from this software
     20      1.3    ragge  *    without specific prior written permission.
     21      1.1    ragge  *
     22      1.3    ragge  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     23      1.3    ragge  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     24      1.3    ragge  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     25      1.3    ragge  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     26      1.3    ragge  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     27      1.3    ragge  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     28      1.3    ragge  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     29      1.3    ragge  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     30      1.3    ragge  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     31      1.3    ragge  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     32      1.3    ragge  * SUCH DAMAGE.
     33      1.3    ragge  *
     34      1.3    ragge  *      @(#)profile.h   7.1 (Berkeley) 7/16/92
     35      1.1    ragge  */
     36      1.1    ragge 
     37      1.5    ragge /*
     38      1.5    ragge  * _mcount can't be declared static, gcc will optimize it away then.
     39      1.5    ragge  */
     40      1.5    ragge #define _MCOUNT_DECL void _mcount
     41      1.2    ragge 
     42      1.5    ragge /*
     43      1.5    ragge  * Note here: the second argument to __mcount() is pc when mcount
     44      1.5    ragge  * was called. Because it's already on the stack we only have to
     45      1.5    ragge  * push previous pc _and_ tell calls that it is only one argument
     46      1.5    ragge  * to __mcount, so that our return address won't get popped from stack.
     47      1.5    ragge  */
     48      1.7     matt #ifdef __ELF__
     49      1.7     matt #define MCOUNT \
     50  1.7.8.1  nathanw __asm__(".text; .globl __mcount; __mcount: pushl 16(%fp); calls $1,_mcount; rsb");
     51      1.7     matt #else
     52      1.2    ragge #define MCOUNT \
     53  1.7.8.1  nathanw __asm__(".text; .globl mcount; mcount: pushl 16(%fp); calls $1,__mcount; rsb");
     54      1.7     matt #endif
     55      1.2    ragge 
     56      1.4      jtc #ifdef _KERNEL
     57      1.2    ragge /*
     58      1.2    ragge  * Note that we assume splhigh() and splx() cannot call mcount()
     59      1.2    ragge  * recursively.
     60      1.2    ragge  */
     61      1.2    ragge #define MCOUNT_ENTER    s = splhigh()
     62      1.2    ragge #define MCOUNT_EXIT     splx(s)
     63      1.4      jtc #endif /* _KERNEL */
     64