Home | History | Annotate | Line # | Download | only in include
profile.h revision 1.11 
      1  1.11  perry /*      $NetBSD: profile.h,v 1.11 2005/12/24 23:24:07 perry 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   1.9    agc  * 3. Neither the name of the University nor the names of its contributors
     15   1.3  ragge  *    may be used to endorse or promote products derived from this software
     16   1.3  ragge  *    without specific prior written permission.
     17   1.1  ragge  *
     18   1.3  ragge  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     19   1.3  ragge  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     20   1.3  ragge  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     21   1.3  ragge  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     22   1.3  ragge  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     23   1.3  ragge  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     24   1.3  ragge  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     25   1.3  ragge  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     26   1.3  ragge  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     27   1.3  ragge  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     28   1.3  ragge  * SUCH DAMAGE.
     29   1.3  ragge  *
     30   1.3  ragge  *      @(#)profile.h   7.1 (Berkeley) 7/16/92
     31   1.1  ragge  */
     32   1.1  ragge 
     33   1.5  ragge /*
     34   1.5  ragge  * _mcount can't be declared static, gcc will optimize it away then.
     35   1.5  ragge  */
     36   1.5  ragge #define _MCOUNT_DECL void _mcount
     37   1.2  ragge 
     38   1.5  ragge /*
     39   1.5  ragge  * Note here: the second argument to __mcount() is pc when mcount
     40   1.5  ragge  * was called. Because it's already on the stack we only have to
     41   1.5  ragge  * push previous pc _and_ tell calls that it is only one argument
     42   1.5  ragge  * to __mcount, so that our return address won't get popped from stack.
     43   1.5  ragge  */
     44   1.7   matt #ifdef __ELF__
     45   1.7   matt #define MCOUNT \
     46  1.11  perry __asm(".text; .globl __mcount; __mcount: pushl 16(%fp); calls $1,_mcount; rsb");
     47   1.7   matt #else
     48   1.2  ragge #define MCOUNT \
     49  1.11  perry __asm(".text; .globl mcount; mcount: pushl 16(%fp); calls $1,__mcount; rsb");
     50   1.7   matt #endif
     51   1.2  ragge 
     52   1.4    jtc #ifdef _KERNEL
     53   1.2  ragge /*
     54   1.2  ragge  * Note that we assume splhigh() and splx() cannot call mcount()
     55   1.2  ragge  * recursively.
     56   1.2  ragge  */
     57   1.2  ragge #define MCOUNT_ENTER    s = splhigh()
     58   1.2  ragge #define MCOUNT_EXIT     splx(s)
     59   1.4    jtc #endif /* _KERNEL */
     60