sys/arch/sh3/include/profile.h

   1 /*      $NetBSD: profile.h,v 1.4 2002/04/28 17:10:36 uch Exp $  */
   2
   3 /*-
   4  * Copyright (c) 2000 Tsubai Masanari.  All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  * 1. Redistributions of source code must retain the above copyright
  10  *    notice, this list of conditions and the following disclaimer.
  11  * 2. Redistributions in binary form must reproduce the above copyright
  12  *    notice, this list of conditions and the following disclaimer in the
  13  *    documentation and/or other materials provided with the distribution.
  14  * 3. The name of the author may not be used to endorse or promote products
  15  *    derived from this software without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  26  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27  */
  28
  29 #if defined(__ELF__) && defined(__NO_LEADING_UNDERSCORES__)
  30 #define _MCOUNT_DECL static void _mcount
  31 #else
  32 #define _MCOUNT_DECL static void mcount
  33 #endif
  34
  35 #define MCOUNT __asm ("                         \n\
  36         .text                                   \n\
  37         .align  2                               \n\
  38         .globl  __mcount                        \n\
  39 __mcount:                                       \n\
  40         mov.l   r4, @-r15                       \n\
  41         mov.l   r5, @-r15                       \n\
  42         mov.l   r6, @-r15                       \n\
  43         mov.l   r7, @-r15                       \n\
  44         mov.l   r0, @-r15                       \n\
  45         mov.l   r14, @-r15                      \n\
  46         sts.l   pr, @-r15                       \n\
  47         mov     r15, r14                        \n\
  48                                                 \n\
  49         mov.l   1f, r1          ! _mcount       \n\
  50         sts     pr, r4          ! frompc        \n\
  51 0:      bsrf    r1                              \n\
  52          mov    r0, r5          ! selfpc        \n\
  53                                                 \n\
  54         mov     r14, r15                        \n\
  55         lds.l   @r15+, pr                       \n\
  56         mov.l   @r15+, r14                      \n\
  57         mov.l   @r15+, r0                       \n\
  58         mov.l   @r15+, r7                       \n\
  59         mov.l   @r15+, r6                       \n\
  60         mov.l   @r15+, r5                       \n\
  61         jmp     @r0             ! real fucntion \n\
  62          mov.l  @r15+, r4                       \n\
  63                                                 \n\
  64         .align  2                               \n\
  65 1:      .long   _mcount - ((0b) + 4)            \n\
  66                                                 \n\
  67         .size   __mcount, . - __mcount          ");
  68
  69 #ifdef _KERNEL
  70 #define MCOUNT_ENTER    s = splhigh()
  71 #define MCOUNT_EXIT     splx(s)
  72 #endif