lib/csu/sparc_elf/dot_init.h

   1 /* $NetBSD: dot_init.h,v 1.8 2008/05/10 15:31:04 martin Exp $ */
   2
   3 /*
   4  * Copyright (c) 2001 Matthew R. Green
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
  21  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  22  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
  23  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  24  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  26  * SUCH DAMAGE.
  27  */
  28
  29 /*-
  30  * Copyright (c) 2001 Ross Harvey
  31  * All rights reserved.
  32  *
  33  * Redistribution and use in source and binary forms, with or without
  34  * modification, are permitted provided that the following conditions
  35  * are met:
  36  * 1. Redistributions of source code must retain the above copyright
  37  *    notice, this list of conditions and the following disclaimer.
  38  * 2. Redistributions in binary form must reproduce the above copyright
  39  *    notice, this list of conditions and the following disclaimer in the
  40  *    documentation and/or other materials provided with the distribution.
  41  * 3. All advertising materials mentioning features or use of this software
  42  *    must display the following acknowledgement:
  43  *      This product includes software developed by the NetBSD
  44  *      Foundation, Inc. and its contributors.
  45  * 4. Neither the name of The NetBSD Foundation nor the names of its
  46  *    contributors may be used to endorse or promote products derived
  47  *    from this software without specific prior written permission.
  48  *
  49  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  50  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  51  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  52  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  53  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  54  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  55  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  56  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  57  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  58  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  59  * POSSIBILITY OF SUCH DAMAGE.
  60  */
  61
  62 #include <sys/cdefs.h>                  /* RCS ID & Copyright macro defns */
  63
  64 #ifdef __sparc64__
  65 #define SAVE    "       save    %sp, -176, %sp          \n"
  66 #else
  67 #define SAVE    "       save    %sp, -96, %sp           \n"
  68 #endif
  69
  70 #define MD_SECTION_PROLOGUE(sect, entry_pt)             \
  71                 __asm (                                 \
  72                 ".section "#sect",\"ax\",@progbits      \n"\
  73                 "       .align 4                        \n"\
  74                 ".global "#entry_pt"                    \n"\
  75                 #entry_pt":                             \n"\
  76                 SAVE                                    \
  77                 "       /* fall thru */                 \n"\
  78                 ".previous")
  79
  80 #define MD_SECTION_EPILOGUE(sect)                       \
  81                 __asm (                                 \
  82                 ".section "#sect",\"ax\",@progbits      \n"\
  83                 "       .align 4                        \n"\
  84                 "       ret                             \n"\
  85                 "        restore                        \n"\
  86                 ".previous")
  87
  88 #define MD_INIT_SECTION_PROLOGUE MD_SECTION_PROLOGUE(.init, _init)
  89 #define MD_FINI_SECTION_PROLOGUE MD_SECTION_PROLOGUE(.fini, _fini)
  90
  91 #define MD_INIT_SECTION_EPILOGUE MD_SECTION_EPILOGUE(.init)
  92 #define MD_FINI_SECTION_EPILOGUE MD_SECTION_EPILOGUE(.fini)