gdb/testsuite/gdb.arch/i386-mpx-map.c

   1 /* Test program for MPX map allocated bounds.
   2
   3    Copyright 2015-2021 Free Software Foundation, Inc.
   4
   5    Contributed by Intel Corp. <walfred.tedeschi@intel.com>
   6                               <mircea.gherzan@intel.com>
   7
   8    This file is part of GDB.
   9
  10    This program is free software; you can redistribute it and/or modify
  11    it under the terms of the GNU General Public License as published by
  12    the Free Software Foundation; either version 3 of the License, or
  13    (at your option) any later version.
  14
  15    This program is distributed in the hope that it will be useful,
  16    but WITHOUT ANY WARRANTY; without even the implied warranty of
  17    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18    GNU General Public License for more details.
  19
  20    You should have received a copy of the GNU General Public License
  21    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  22
  23 #include <stdlib.h>
  24 #define SIZE  5
  25
  26 typedef int T;
  27
  28 void
  29 foo (T *p)
  30 {
  31   T *x;
  32
  33 #if defined  __GNUC__ && !defined __INTEL_COMPILER
  34   __bnd_store_ptr_bounds (p, &p);
  35 #endif
  36
  37   x = p + SIZE - 1;
  38
  39 #if defined  __GNUC__ && !defined __INTEL_COMPILER
  40   __bnd_store_ptr_bounds (x, &x);
  41 #endif
  42   /* Dummy assign.  */
  43   x = x + 1;                    /* after-assign */
  44   return;
  45 }
  46
  47 int
  48 main (void)
  49 {
  50   T *a = NULL;
  51
  52   a = calloc (SIZE, sizeof (T));        /* after-decl */
  53 #if defined  __GNUC__ && !defined __INTEL_COMPILER
  54   __bnd_store_ptr_bounds (a, &a);
  55 #endif
  56
  57   foo (a);                              /* after-alloc */
  58   free (a);
  59
  60   return 0;
  61 }