gdb/testsuite/gdb.base/auxv.c

   1 /* Copyright 1992-1996, 1999, 2004, 2007-2012 Free Software Foundation,
   2    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 #ifdef USE_RLIMIT
  39 # include <sys/resource.h>
  40 # ifndef RLIM_INFINITY
  41 #  define RLIM_INFINITY -1
  42 # endif
  43 #endif /* USE_RLIMIT */
  44
  45 /* Don't make these automatic vars or we will have to walk back up the
  46    stack to access them. */
  47
  48 char *buf1;
  49 char *buf2;
  50
  51 int coremaker_data = 1; /* In Data section */
  52 int coremaker_bss;      /* In BSS section */
  53
  54 const int coremaker_ro = 201;   /* In Read-Only Data section */
  55
  56 void
  57 func2 (int x)
  58 {
  59   int coremaker_local[5];
  60   int i;
  61   static int y;
  62
  63 #ifdef USE_RLIMIT
  64   {
  65     struct rlimit rlim = { RLIM_INFINITY, RLIM_INFINITY };
  66
  67     setrlimit (RLIMIT_CORE, &rlim);
  68   }
  69 #endif
  70
  71   /* Make sure that coremaker_local doesn't get optimized away. */
  72   for (i = 0; i < 5; i++)
  73     coremaker_local[i] = i;
  74   coremaker_bss = 0;
  75   for (i = 0; i < 5; i++)
  76     coremaker_bss += coremaker_local[i];
  77   coremaker_data = coremaker_ro + 1;
  78   y = 10 * x;
  79   ABORT;
  80 }
  81
  82 void
  83 func1 (int x)
  84 {
  85   func2 (x * 2);
  86 }
  87
  88 int main ()
  89 {
  90   func1 (10);
  91   return 0;
  92 }