nptl/sysdeps/unix/sysv/linux/sh/pt-initfini.c

   1 /* Special .init and .fini section support for SH. NPTL version.
   2    Copyright (C) 2003 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it
   6    and/or modify it under the terms of the GNU Library General Public
   7    License as published by the Free Software Foundation; either
   8    version 2 of the License, or (at your option) any later version.
   9
  10    In addition to the permissions in the GNU Library General Public
  11    License, the Free Software Foundation gives you unlimited
  12    permission to link the compiled version of this file with other
  13    programs, and to distribute those programs without any restriction
  14    coming from the use of this file.  (The Library General Public
  15    License restrictions do apply in other respects; for example, they
  16    cover modification of the file, and distribution when not linked
  17    into another program.)
  18
  19    The GNU C Library is distributed in the hope that it will be
  20    useful, but WITHOUT ANY WARRANTY; without even the implied warranty
  21    of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  22    GNU Library General Public License for more details.
  23
  24    You should have received a copy of the GNU Library General Public
  25    License along with the GNU C Library; see the file COPYING.LIB.  If not,
  26    write to the Free Software Foundation, 59 Temple Place - Suite 330,
  27    Boston, MA 02111-1307, USA.  */
  28
  29 /* This file is compiled into assembly code which is then munged by a sed
  30    script into two files: crti.s and crtn.s.
  31
  32    * crti.s puts a function prologue at the beginning of the
  33    .init and .fini sections and defines global symbols for
  34    those addresses, so they can be called as functions.
  35
  36    * crtn.s puts the corresponding function epilogues
  37    in the .init and .fini sections. */
  38
  39 __asm__ ("\n\
  40 \n\
  41 #include \"defs.h\"\n\
  42 \n\
  43 /*@HEADER_ENDS*/\n\
  44 \n\
  45 /*@TESTS_BEGIN*/\n\
  46 \n\
  47 /*@TESTS_END*/\n\
  48 \n\
  49 /*@_init_PROLOG_BEGINS*/\n\
  50         .section .init\n\
  51         .align 5\n\
  52         .global _init\n\
  53         .type   _init,@function\n\
  54 _init:\n\
  55         mov.l   r12,@-r15\n\
  56         mov.l   r14,@-r15\n\
  57         sts.l   pr,@-r15\n\
  58         mova    .L22,r0\n\
  59         mov.l   .L22,r12\n\
  60         add     r0,r12\n\
  61         mova    .L24,r0\n\
  62         mov.l   .L24,r1\n\
  63         add     r0,r1\n\
  64         jsr     @r1\n\
  65          nop\n\
  66         mova    .L23,r0\n\
  67         mov.l   .L23,r1\n\
  68         add     r0,r1\n\
  69         jsr     @r1\n\
  70          mov    r15,r14\n\
  71         bra     1f\n\
  72          nop\n\
  73         .align 2\n\
  74 .L22:\n\
  75         .long   _GLOBAL_OFFSET_TABLE_\n\
  76 .L23:\n\
  77         .long   __gmon_start__@PLT\n\
  78 .L24:\n\
  79         .long   __pthread_initialize_minimal_internal@PLT\n\
  80 1:\n\
  81         ALIGN\n\
  82         END_INIT\n\
  83 \n\
  84 /*@_init_PROLOG_ENDS*/\n\
  85 \n\
  86 /*@_init_EPILOG_BEGINS*/\n\
  87         .section .init\n\
  88         mov     r14,r15\n\
  89         lds.l   @r15+,pr\n\
  90         mov.l   @r15+,r14\n\
  91         rts     \n\
  92         mov.l   @r15+,r12\n\
  93         END_INIT\n\
  94         .section .text\n\
  95         .align 5\n\
  96         .weak   __gmon_start__\n\
  97         .type   __gmon_start__,@function\n\
  98 __gmon_start__:\n\
  99         mov.l   r14,@-r15\n\
 100         mov     r15,r14\n\
 101         mov     r14,r15\n\
 102         rts     \n\
 103         mov.l   @r15+,r14\n\
 104         \n\
 105 /*@_init_EPILOG_ENDS*/\n\
 106 \n\
 107 /*@_fini_PROLOG_BEGINS*/\n\
 108         .section .fini\n\
 109         .align 5\n\
 110         .global _fini\n\
 111         .type   _fini,@function\n\
 112 _fini:\n\
 113         mov.l   r12,@-r15\n\
 114         mov.l   r14,@-r15\n\
 115         sts.l   pr,@-r15\n\
 116         mova    .L27,r0\n\
 117         mov.l   .L27,r12\n\
 118         add     r0,r12\n\
 119         mov     r15,r14\n\
 120         ALIGN\n\
 121         END_FINI\n\
 122         bra     1f\n\
 123          nop\n\
 124         .align  2\n\
 125 .L27:\n\
 126         .long   _GLOBAL_OFFSET_TABLE_\n\
 127 1:\n\
 128 /*@_fini_PROLOG_ENDS*/\n\
 129 \n\
 130 /*@_fini_EPILOG_BEGINS*/\n\
 131         .section .fini\n\
 132         mov     r14,r15\n\
 133         lds.l   @r15+,pr\n\
 134         mov.l   @r15+,r14\n\
 135         rts     \n\
 136         mov.l   @r15+,r12\n\
 137 \n\
 138         END_FINI\n\
 139         \n\
 140 /*@_fini_EPILOG_ENDS*/\n\
 141 \n\
 142 /*@TRAILER_BEGINS*/\n\
 143 ");