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

   1 /* Copyright (C) 2015-2024 Free Software Foundation, Inc.
   2
   3    Contributed by Intel Corp. <walfred.tedeschi@intel.com>
   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 #define OUR_SIZE    5
  19
  20 int gx[OUR_SIZE];
  21 int ga[OUR_SIZE];
  22 int gb[OUR_SIZE];
  23 int gc[OUR_SIZE];
  24 int gd[OUR_SIZE];
  25
  26 int
  27 bp1 (int value)
  28 {
  29   return 1;
  30 }
  31
  32 int
  33 bp2 (int value)
  34 {
  35   return 1;
  36 }
  37
  38 void
  39 upper (int * p, int * a, int * b, int * c, int * d, int len)
  40 {
  41   int value;
  42   value = *(p + len);
  43   value = *(a + len);
  44   value = *(b + len);
  45   value = *(c + len);
  46   value = *(d + len);
  47 }
  48
  49 void
  50 lower (int * p, int * a, int * b, int * c, int * d, int len)
  51 {
  52   int value;
  53   value = *(p - len);
  54   value = *(a - len);
  55   value = *(b - len);
  56   value = *(c - len);
  57   bp2 (value);
  58   value = *(d - len);
  59 }
  60
  61 int
  62 main (void)
  63 {
  64   int sx[OUR_SIZE];
  65   int sa[OUR_SIZE];
  66   int sb[OUR_SIZE];
  67   int sc[OUR_SIZE];
  68   int sd[OUR_SIZE];
  69   int *x, *a, *b, *c, *d;
  70
  71   x = calloc (OUR_SIZE, sizeof (int));
  72   a = calloc (OUR_SIZE, sizeof (int));
  73   b = calloc (OUR_SIZE, sizeof (int));
  74   c = calloc (OUR_SIZE, sizeof (int));
  75   d = calloc (OUR_SIZE, sizeof (int));
  76
  77   upper (x, a, b, c, d, OUR_SIZE + 2);
  78   upper (sx, sa, sb, sc, sd, OUR_SIZE + 2);
  79   upper (gx, ga, gb, gc, gd, OUR_SIZE + 2);
  80   lower (x, a, b, c, d, 1);
  81   lower (sx, sa, sb, sc, sd, 1);
  82   bp1 (*x);
  83   lower (gx, ga, gb, gc, gd, 1);
  84
  85   free (x);
  86   free (a);
  87   free (b);
  88   free (c);
  89   free (d);
  90
  91   return 0;
  92 }