gdb/testsuite/gdb.arch/ppc64-atomic-inst.S

   1 /* This file is part of GDB, the GNU debugger.
   2
   3    Copyright 2008-2021 Free Software Foundation, Inc.
   4
   5    This program is free software; you can redistribute it and/or modify
   6    it under the terms of the GNU General Public License as published by
   7    the Free Software Foundation; either version 3 of the License, or
   8    (at your option) any later version.
   9
  10    This program is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13    GNU General Public License for more details.
  14
  15    You should have received a copy of the GNU General Public License
  16    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  17
  18         .align 2
  19         .globl main
  20 #if _CALL_ELF == 2
  21         .type main,@function
  22 main:
  23 #else
  24         .section ".opd","aw"
  25         .align 3
  26 main:
  27         .quad .main,.TOC.@tocbase,0
  28         .size main,.-main
  29         .previous
  30         .globl .main
  31         .type .main,@function
  32 .main:
  33 #endif
  34
  35         li      0,0
  36         addi    4,1,-8
  37
  38         stw     0,0(4)
  39 1:      lwarx   5,0,4
  40         cmpwi   5,0
  41         bne     2f
  42         addi    5,5,1
  43         stwcx.  5,0,4
  44         bne     1b
  45
  46         std     0,0(4)
  47 2:      ldarx   5,0,4
  48         cmpdi   5,0
  49         bne     3f
  50         addi    5,5,1
  51         stdcx.  5,0,4
  52         bne     1b
  53
  54 3:      li      3,0
  55         blr
  56
  57 #if _CALL_ELF == 2
  58         .size main,.-main
  59 #else
  60         .size .main,.-.main
  61 #endif