libgcc/config/xtensa/crti.S

   1 # Start .init and .fini sections.
   2 # Copyright (C) 2003-2024 Free Software Foundation, Inc.
   3 #
   4 # This file is free software; you can redistribute it and/or modify it
   5 # under the terms of the GNU General Public License as published by
   6 # the Free Software Foundation; either version 3, or (at your option)
   7 # any later version.
   8 #
   9 # GCC is distributed in the hope that it will be useful, but WITHOUT ANY
  10 # WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11 # FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12 # for more details.
  13 #
  14 # Under Section 7 of GPL version 3, you are granted additional
  15 # permissions described in the GCC Runtime Library Exception, version
  16 # 3.1, as published by the Free Software Foundation.
  17 #
  18 # You should have received a copy of the GNU General Public License and
  19 # a copy of the GCC Runtime Library Exception along with this program;
  20 # see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
  21 # <http://www.gnu.org/licenses/>.
  22
  23 # This file just makes a stack frame for the contents of the .fini and
  24 # .init sections.  Users may put any desired instructions in those
  25 # sections.
  26
  27 #include "xtensa-config-builtin.h"
  28
  29 /* An executable stack is *not* required for these functions.  */
  30 #if defined(__ELF__) && defined(__linux__)
  31 .section .note.GNU-stack,"",%progbits
  32 .previous
  33 #endif
  34
  35         .section .init
  36         .globl _init
  37         .type _init,@function
  38         .align  4
  39 _init:
  40 #if XCHAL_HAVE_WINDOWED && !__XTENSA_CALL0_ABI__
  41         entry   sp, 64
  42 #else
  43         addi    sp, sp, -32
  44         s32i    a0, sp, 0
  45 #endif
  46
  47         .section .fini
  48         .globl _fini
  49         .type _fini,@function
  50         .align  4
  51 _fini:
  52 #if XCHAL_HAVE_WINDOWED && !__XTENSA_CALL0_ABI__
  53         entry   sp, 64
  54 #else
  55         addi    sp, sp, -32
  56         s32i    a0, sp, 0
  57 #endif