libgcc/config/sparc/crtn.S

   1 ! crtn.S for SPARC
   2
   3 !   Copyright (C) 1992-2020 Free Software Foundation, Inc.
   4 !   Written By David Vinayak Henkel-Wallace, June 1992
   5 !
   6 ! This file is free software; you can redistribute it and/or modify it
   7 ! under the terms of the GNU General Public License as published by the
   8 ! Free Software Foundation; either version 3, or (at your option) any
   9 ! later version.
  10 !
  11 ! This file is distributed in the hope that it will be useful, but
  12 ! WITHOUT ANY WARRANTY; without even the implied warranty of
  13 ! MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14 ! General Public License for more details.
  15 !
  16 ! Under Section 7 of GPL version 3, you are granted additional
  17 ! permissions described in the GCC Runtime Library Exception, version
  18 ! 3.1, as published by the Free Software Foundation.
  19 !
  20 ! You should have received a copy of the GNU General Public License and
  21 ! a copy of the GCC Runtime Library Exception along with this program;
  22 ! see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
  23 ! <http://www.gnu.org/licenses/>.
  24
  25 ! This file just makes sure that the .fini and .init sections do in
  26 ! fact return.  Users may put any desired instructions in those sections.
  27 ! This file is the last thing linked into any executable.
  28
  29         .section        ".init"
  30         .align          4
  31 #ifdef _FLAT
  32         mov     %i7, %o7
  33 #ifdef __sparcv9
  34         ldx     [%sp+2343], %i7
  35         sub     %sp, -176, %sp
  36 #else
  37         ld      [%sp+156], %i7
  38         sub     %sp, -96, %sp
  39 #endif
  40 #else
  41         restore
  42 #endif
  43         jmp     %o7+8
  44          nop
  45
  46         .section        ".fini"
  47         .align          4
  48 #ifdef _FLAT
  49         mov     %i7, %o7
  50 #ifdef __sparcv9
  51         ldx     [%sp+2343], %i7
  52         sub     %sp, -176, %sp
  53 #else
  54         ld      [%sp+156], %i7
  55         sub     %sp, -96, %sp
  56 #endif
  57 #else
  58         restore
  59 #endif
  60         jmp     %o7+8
  61          nop
  62
  63 ! Th-th-th-that is all folks!