gdb/testsuite/gdb.base/auxv.c

   1 /* Copyright 1992, 1993, 1994, 1995, 1996, 1999, 2004, 2007, 2008, 2009
   2    Free Software Foundation, Inc.
   3
   4    This file is part of GDB.
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 3 of the License, or
   9    (at your option) any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  18
  19 /* Simple little program that just generates a core dump from inside some
  20    nested function calls.  Keep this as self contained as possible, I.E.
  21    use no environment resources other than possibly abort(). */
  22
  23 #ifndef __STDC__
  24 #define const   /**/
  25 #endif
  26
  27 #ifndef HAVE_ABORT
  28 #define HAVE_ABORT 1
  29 #endif
  30
  31 #if HAVE_ABORT
  32 #include <stdlib.h>
  33 #define ABORT abort()
  34 #else
  35 #define ABORT {char *invalid = 0; *invalid = 0xFF;}
  36 #endif
  37
  38 /* Don't make these automatic vars or we will have to walk back up the
  39    stack to access them. */
  40
  41 char *buf1;
  42 char *buf2;
  43
  44 int coremaker_data = 1; /* In Data section */
  45 int coremaker_bss;      /* In BSS section */
  46
  47 const int coremaker_ro = 201;   /* In Read-Only Data section */
  48
  49 void
  50 func2 (int x)
  51 {
  52   int coremaker_local[5];
  53   int i;
  54   static int y;
  55
  56   /* Make sure that coremaker_local doesn't get optimized away. */
  57   for (i = 0; i < 5; i++)
  58     coremaker_local[i] = i;
  59   coremaker_bss = 0;
  60   for (i = 0; i < 5; i++)
  61     coremaker_bss += coremaker_local[i];
  62   coremaker_data = coremaker_ro + 1;
  63   y = 10 * x;
  64   ABORT;
  65 }
  66
  67 void
  68 func1 (int x)
  69 {
  70   func2 (x * 2);
  71 }
  72
  73 int main ()
  74 {
  75   func1 (10);
  76   return 0;
  77 }