Home | History | Annotate | Line # | Download | only in include
profile.h revision 1.6.14.1 
      1  1.6.14.1   bouyer /*      $NetBSD: profile.h,v 1.6.14.1 2000/11/20 20:33:02 bouyer 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  1.6.14.1   bouyer #ifdef __ELF__
     49  1.6.14.1   bouyer #define MCOUNT \
     50  1.6.14.1   bouyer __asm__(".text; .globl __mcount; __mcount: pushl 16(fp); calls $1,_mcount; rsb");
     51  1.6.14.1   bouyer #else
     52       1.2    ragge #define MCOUNT \
     53       1.6  thorpej __asm__(".text; .globl mcount; mcount: pushl 16(fp); calls $1,__mcount; rsb");
     54  1.6.14.1   bouyer #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