gdb/testsuite/gdb.arch/i386-cfi-notcurrent.S

   1 /* Copyright 2012-2020 Free Software Foundation, Inc.
   2
   3    This file is part of GDB.
   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 /* Testcase compiled by gcc -m32 -S -fasynchronous-unwind-tables -O2:
  19
  20 static int __attribute__ ((regparm (0), stdcall, noinline, noclone))
  21 f (int x)
  22 {
  23   return x;
  24 }
  25 static int __attribute__ ((noinline, noclone))
  26 g (void)
  27 {
  28   return f (1) + 1;
  29 }
  30 int
  31 main (void)
  32 {
  33   return g () + 1;
  34 }
  35
  36  */
  37
  38         .text
  39         .type   f, @function
  40 f:
  41 .LFB0:
  42         .cfi_startproc
  43         movl    4(%esp), %eax
  44         ret     $4
  45         .cfi_endproc
  46 .LFE0:
  47         .size   f, .-f
  48         .type   g, @function
  49 g:
  50 .LFB1:
  51         .cfi_startproc
  52         subl    $4, %esp
  53         .cfi_def_cfa_offset 8
  54         movl    $1, (%esp)
  55         call    f
  56         .cfi_def_cfa_offset 4
  57         subl    $4, %esp
  58         .cfi_def_cfa_offset 8
  59         addl    $1, %eax
  60         addl    $4, %esp
  61         .cfi_def_cfa_offset 4
  62         ret
  63         .cfi_endproc
  64 .LFE1:
  65         .size   g, .-g
  66         .globl  main
  67         .type   main, @function
  68 main:
  69 .LFB2:
  70         .cfi_startproc
  71         call    g
  72         addl    $1, %eax
  73         ret
  74         .cfi_endproc
  75 .LFE2:
  76         .size   main, .-main