gdb/testsuite/gdb.base/gcore-tls-pie.c

   1 /* Copyright 2013-2022 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 /* The size of these variables is chosen so that gold will add some padding
  19    to the TLS program header (total size of 16 bytes on x86_64) which strip
  20    will remove (bringing it down to 9 bytes).  */
  21
  22 __thread long j;
  23 __thread char i;
  24
  25 void
  26 break_here (void)
  27 {
  28   *(volatile int *) 0 = 0;
  29 }
  30
  31 void
  32 foo (void)
  33 {
  34   break_here ();
  35 }
  36
  37 void
  38 bar (void)
  39 {
  40   foo ();
  41 }
  42
  43 int
  44 main (void)
  45 {
  46   bar ();
  47   return 0;
  48 }