sys/arch/powerpc/include/profile.h

   1 /*      $NetBSD: profile.h,v 1.6 2002/02/07 05:13:35 briggs 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 #define _MCOUNT_DECL    void __mcount
  30
  31 #ifdef _LP64
  32
  33 #define MCOUNT                          \
  34 __asm(" .globl  _mcount                 \n" \
  35 "       .section \".opd\",\"aw\"        \n" \
  36 "       .align 3                        \n" \
  37 "_mcount:                               \n" \
  38 "       .quad   ._mcount,.TOC.@tocbase,0\n" \
  39 "       .previous                       \n" \
  40 "       .size   _mcount,24              \n" \
  41 "       .type   ._mcount,@function      \n" \
  42 "       .globl  ._mcount                \n" \
  43 "       .align  3                       \n" \
  44 "._mcount:                              \n" \
  45 "       frame=128                       \n" \
  46 "       stdu    1,-frame(1)             \n" \
  47 "       std     2,120(1)                \n" \
  48 "       std     3,48+0(1)               \n" \
  49 "       std     4,48+8(1)               \n" \
  50 "       std     5,48+16(1)              \n" \
  51 "       std     6,48+24(1)              \n" \
  52 "       std     7,48+32(1)              \n" \
  53 "       std     8,48+40(1)              \n" \
  54 "       std     9,48+48(1)              \n" \
  55 "       std     10,48+56(1)             \n" \
  56 "                                       \n" \
  57 "       mflr    4                       \n" \
  58 "       std     4,112(1)                \n" \
  59 "       ld      3,frame+16(1)           \n" \
  60 "       bl      .__mcount               \n" \
  61 "       ld      2,120(1)                \n" \
  62 "       ld      3,frame+16(1)           \n" \
  63 "       mtlr    3                       \n" \
  64 "       ld      4,112(1)                \n" \
  65 "       mtctr   4                       \n" \
  66 "                                       \n" \
  67 "       ld      3,16(1)                 \n" \
  68 "       ld      4,20(1)                 \n" \
  69 "       ld      5,24(1)                 \n" \
  70 "       ld      6,28(1)                 \n" \
  71 "       ld      7,32(1)                 \n" \
  72 "       ld      8,36(1)                 \n" \
  73 "       ld      9,40(1)                 \n" \
  74 "       ld      10,44(1)                \n" \
  75 "       addi    1,1,frame               \n" \
  76 "       bctr");
  77
  78 #else
  79
  80 #ifdef PIC
  81 #define _PLT "@plt"
  82 #else
  83 #define _PLT
  84 #endif
  85
  86 #define MCOUNT                          \
  87 __asm(" .globl  _mcount                 \n" \
  88 "       .type   _mcount,@function       \n" \
  89 "_mcount:                               \n" \
  90 "       stwu    1,-64(1)                \n" \
  91 "       stw     3,16(1)                 \n" \
  92 "       stw     4,20(1)                 \n" \
  93 "       stw     5,24(1)                 \n" \
  94 "       stw     6,28(1)                 \n" \
  95 "       stw     7,32(1)                 \n" \
  96 "       stw     8,36(1)                 \n" \
  97 "       stw     9,40(1)                 \n" \
  98 "       stw     10,44(1)                \n" \
  99 "                                       \n" \
 100 "       mflr    4                       \n" \
 101 "       stw     4,48(1)                 \n" \
 102 "       lwz     3,68(1)                 \n" \
 103 "       bl      __mcount" _PLT "        \n" \
 104 "       lwz     3,68(1)                 \n" \
 105 "       mtlr    3                       \n" \
 106 "       lwz     4,48(1)                 \n" \
 107 "       mtctr   4                       \n" \
 108 "                                       \n" \
 109 "       lwz     3,16(1)                 \n" \
 110 "       lwz     4,20(1)                 \n" \
 111 "       lwz     5,24(1)                 \n" \
 112 "       lwz     6,28(1)                 \n" \
 113 "       lwz     7,32(1)                 \n" \
 114 "       lwz     8,36(1)                 \n" \
 115 "       lwz     9,40(1)                 \n" \
 116 "       lwz     10,44(1)                \n" \
 117 "       addi    1,1,64                  \n" \
 118 "       bctr                            \n" \
 119 "_mcount_end:                           \n" \
 120 "       .size   _mcount,_mcount_end-_mcount");
 121
 122 #endif
 123
 124 #ifdef _KERNEL
 125 #define MCOUNT_ENTER                                            \
 126         __asm volatile("mfmsr %0" : "=r"(s));                   \
 127         if ((s & (PSL_IR | PSL_DR)) != (PSL_IR | PSL_DR))       \
 128                 return;         /* XXX */                       \
 129         s &= ~PSL_POW;                                          \
 130         __asm volatile("mtmsr %0" :: "r"(s & ~PSL_EE))
 131
 132 #define MCOUNT_EXIT                                             \
 133         __asm volatile("mtmsr %0" :: "r"(s))
 134 #endif