gdb/testsuite/gdb.base/coremaker2.c

   1 /* Copyright 1992-2014 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 /* Simple little program that just generates a core dump from inside some
  19    nested function calls.  Keep this as self contained as possible, I.E.
  20    use no environment resources other than possibly abort(). */
  21
  22 #ifndef __STDC__
  23 #define const   /**/
  24 #endif
  25
  26 #ifndef HAVE_ABORT
  27 #define HAVE_ABORT 1
  28 #endif
  29
  30 #if HAVE_ABORT
  31 #define ABORT abort()
  32 #else
  33 #define ABORT {char *invalid = 0; *invalid = 0xFF;}
  34 #endif
  35
  36 /* Don't make these automatic vars or we will have to walk back up the
  37    stack to access them. */
  38
  39 char *buf1;
  40 char *buf2;
  41
  42 int coremaker_data = 1; /* In Data section */
  43 int coremaker_bss;      /* In BSS section */
  44
  45 const int coremaker_ro = 201;   /* In Read-Only Data section */
  46
  47 void
  48 func2 (int x)
  49 {
  50   int coremaker_local[5];
  51   int i;
  52   static int y;
  53
  54   /* Make sure that coremaker_local doesn't get optimized away. */
  55   for (i = 0; i < 5; i++)
  56     coremaker_local[i] = i;
  57   coremaker_bss = 0;
  58   for (i = 0; i < 5; i++)
  59     coremaker_bss += coremaker_local[i];
  60   coremaker_data = coremaker_ro + 1;
  61   y = 10 * x;
  62   ABORT;
  63 }
  64
  65 void
  66 func1 (int x)
  67 {
  68   func2 (x * 2);
  69 }
  70
  71 int main ()
  72 {
  73   func1 (10);
  74   return 0;
  75 }