lib/csu/mips/crt.h

   1 /*-
   2  * SPDX-License-Identifier: BSD-1-Clause
   3  *
   4  * Copyright 2018 Andrew Turner
   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  *
  12  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  13  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  14  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  15  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  16  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  17  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  18  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  19  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  20  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  21  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  22  *
  23  * $FreeBSD$
  24  */
  25
  26 #ifndef _CRT_H_
  27 #define _CRT_H_
  28
  29 #define HAVE_CTORS
  30 #define CTORS_CONSTRUCTORS
  31 #ifdef __mips_o32
  32 #define INIT_CALL_SEQ(func)                                             \
  33     ".set noreorder             \n"                                     \
  34     "bal        1f              \n"                                     \
  35     "nop                        \n"                                     \
  36     "1:                         \n"                                     \
  37     ".cpload $ra                \n"                                     \
  38     ".set reorder               \n"                                     \
  39     ".local     " __STRING(func) "\n"                                   \
  40     "jal        " __STRING(func)
  41 #else
  42 #define INIT_CALL_SEQ(func)                                             \
  43     ".set noreorder             \n"                                     \
  44     "bal        1f              \n"                                     \
  45     "nop                        \n"                                     \
  46     "1:                         \n"                                     \
  47     ".set reorder               \n"                                     \
  48     ".cpsetup $ra, $v0, 1b      \n"                                     \
  49     ".local     " __STRING(func) "\n"                                   \
  50     "jal        " __STRING(func)
  51 #endif
  52
  53 #endif