libgcc/config/score/crtn.S

   1 # crtn.S for Sunplus S+CORE
   2
   3 #   Copyright (C) 2005-2020 Free Software Foundation, Inc.
   4 #
   5 # This file is free software; you can redistribute it and/or modify it
   6 # under the terms of the GNU General Public License as published by the
   7 # Free Software Foundation; either version 3, or (at your option) any
   8 # later version.
   9 #
  10 # This file is distributed in the hope that it will be useful, but
  11 # WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13 # General Public License for more details.
  14 #
  15 # Under Section 7 of GPL version 3, you are granted additional
  16 # permissions described in the GCC Runtime Library Exception, version
  17 # 3.1, as published by the Free Software Foundation.
  18 #
  19 # You should have received a copy of the GNU General Public License and
  20 # a copy of the GCC Runtime Library Exception along with this program;
  21 # see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
  22 # <http://www.gnu.org/licenses/>.
  23
  24 # This file makes sure that the .init and .fini sections do in
  25 # fact return.
  26
  27 #ifndef __pic__
  28 .section .init, "ax", @progbits
  29         lw      r3, [r0, 20]
  30         addi    r0, 32
  31         br      r3
  32
  33 .section .fini, "ax", @progbits
  34         lw      r3, [r0, 20]
  35         addi    r0, 32
  36         br      r3
  37 #else
  38         .set    pic
  39 .section .init, "ax", @progbits
  40         lw      r3, [r0, 20]
  41         addi    r0, 32
  42         br      r3
  43
  44         .set    pic
  45 .section .fini, "ax", @progbits
  46         lw      r3, [r0, 20]
  47         addi    r0, 32
  48         br      r3
  49 #endif
  50