gdb/testsuite/gdb.dwarf2/data-loc.c

   1 /* Copyright 2014-2019 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 /* This C file provides some global variables laid out in a way
  19    that mimicks what the GNAT Ada compiler calls "fat pointers".
  20    These fat pointers are the memory representation used by
  21    the compiler to handle dynamic arrays.
  22
  23    Debugging information on how to decode that data into an array
  24    will be generated separately by the testcase using that file.  */
  25
  26 struct fat_pointer
  27 {
  28   int *data;
  29   int *bounds;
  30 };
  31
  32 int table_1_data[] = {1, 2, 3};
  33 int table_1_bounds[] = {1, 3};
  34 struct fat_pointer table_1 = {table_1_data, table_1_bounds};
  35
  36 int table_2_data[] = {5, 8, 13, 21, 34};
  37 int table_2_bounds[] = {2, 6};
  38 struct fat_pointer table_2 = {table_2_data, table_2_bounds};
  39
  40 int
  41 main (void)
  42 {
  43   table_1.bounds[1] = 2;
  44   table_2.bounds[1] = 3;
  45   return 0;
  46 }