linuxthreads/sysdeps/unix/sysv/linux/s390/s390-64/pt-initfini.c

   1 /* Special .init and .fini section support for 64 bit S/390.
   2    Copyright (C) 2001 Free Software Foundation, Inc.
   3    Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
   4    This file is part of the GNU C Library.
   5
   6    The GNU C Library is free software; you can redistribute it
   7    and/or modify it under the terms of the GNU Lesser General Public
   8    License as published by the Free Software Foundation; either
   9    version 2.1 of the License, or (at your option) any later version.
  10
  11    In addition to the permissions in the GNU Lesser General Public
  12    License, the Free Software Foundation gives you unlimited
  13    permission to link the compiled version of this file with other
  14    programs, and to distribute those programs without any restriction
  15    coming from the use of this file.  (The Lesser General Public
  16    License restrictions do apply in other respects; for example, they
  17    cover modification of the file, and distribution when not linked
  18    into another program.)
  19
  20    The GNU C Library is distributed in the hope that it will be
  21    useful, but WITHOUT ANY WARRANTY; without even the implied warranty
  22    of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  23    GNU Lesser General Public License for more details.
  24
  25    You should have received a copy of the GNU Lesser General Public
  26    License along with the GNU C Library; see the file COPYING.LIB.  If not,
  27    write to the Free Software Foundation, 59 Temple Place - Suite 330,
  28    Boston, MA 02111-1307, USA.  */
  29
  30 /* This file is compiled into assembly code which is then munged by a sed
  31    script into two files: crti.s and crtn.s.
  32
  33    * crti.s puts a function prologue at the beginning of the
  34    .init and .fini sections and defines global symbols for
  35    those addresses, so they can be called as functions.
  36
  37    * crtn.s puts the corresponding function epilogues
  38    in the .init and .fini sections. */
  39
  40 __asm__ ("\
  41 \n\
  42 #include \"defs.h\"\n\
  43 \n\
  44 /*@HEADER_ENDS*/\n\
  45 \n\
  46 /*@TESTS_BEGIN*/\n\
  47 \n\
  48 /*@TESTS_END*/\n\
  49 \n\
  50 /*@_init_PROLOG_BEGINS*/\n\
  51 \n\
  52         .section .init\n\
  53 #NO_APP\n\
  54         .align 4\n\
  55 .globl _init\n\
  56         .type    _init,@function\n\
  57 _init:\n\
  58 #       leaf function           0\n\
  59 #       automatics              0\n\
  60 #       outgoing args           0\n\
  61 #       need frame pointer      0\n\
  62 #       call alloca             0\n\
  63 #       has varargs             0\n\
  64 #       incoming args (stack)   0\n\
  65 #       function length         36\n\
  66         STMG    6,15,48(15)\n\
  67         LGR     1,15\n\
  68         AGHI    15,-160\n\
  69         STG     1,0(15)\n\
  70         LARL    12,_GLOBAL_OFFSET_TABLE_\n\
  71         BRASL   14,__pthread_initialize_minimal@PLT\n\
  72         LARL    1,__gmon_start__@GOTENT\n\
  73         LG      1,0(1)\n\
  74         LTGR    1,1\n\
  75         JE      .L22\n\
  76         BASR    14,1\n\
  77 .L22:\n\
  78 #APP\n\
  79         .align 4,0x07\n\
  80         END_INIT\n\
  81 \n\
  82 /*@_init_PROLOG_ENDS*/\n\
  83 \n\
  84 /*@_init_EPILOG_BEGINS*/\n\
  85         .align 4\n\
  86         .section .init\n\
  87 #NO_APP\n\
  88         .align 4\n\
  89         LG      4,272(15)\n\
  90         LMG     6,15,208(15)\n\
  91         BR      4\n\
  92 #APP\n\
  93         END_INIT\n\
  94 \n\
  95 /*@_init_EPILOG_ENDS*/\n\
  96 \n\
  97 /*@_fini_PROLOG_BEGINS*/\n\
  98         .section .fini\n\
  99 #NO_APP\n\
 100         .align 4\n\
 101 .globl _fini\n\
 102         .type    _fini,@function\n\
 103 _fini:\n\
 104 #       leaf function           0\n\
 105 #       automatics              0\n\
 106 #       outgoing args           0\n\
 107 #       need frame pointer      0\n\
 108 #       call alloca             0\n\
 109 #       has varargs             0\n\
 110 #       incoming args (stack)   0\n\
 111 #       function length         30\n\
 112         STMG    6,15,48(15)\n\
 113         LGR     1,15\n\
 114         AGHI    15,-160\n\
 115         STG     1,0(15)\n\
 116         LARL    12,_GLOBAL_OFFSET_TABLE_\n\
 117 #APP\n\
 118         .align 4,0x07\n\
 119         END_FINI\n\
 120 \n\
 121 /*@_fini_PROLOG_ENDS*/\n\
 122 \n\
 123 /*@_fini_EPILOG_BEGINS*/\n\
 124         .align 4\n\
 125         .section .fini\n\
 126 #NO_APP\n\
 127         .align 4\n\
 128         LG      4,272(15)\n\
 129         LMG     6,15,208(15)\n\
 130         BR      4\n\
 131 #APP\n\
 132         END_FINI\n\
 133 \n\
 134 /*@_fini_EPILOG_ENDS*/\n\
 135 \n\
 136 /*@TRAILER_BEGINS*/\n\
 137         ");