gdb/testsuite/gdb.python/py-explore.c

   1 /* This testcase is part of GDB, the GNU debugger.
   2
   3    Copyright 2012-2023 Free Software Foundation, Inc.
   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 ARRAY_SIZE 10
  19
  20 struct SimpleStruct
  21 {
  22   int a;
  23   double d;
  24 };
  25
  26 union SimpleUnion
  27 {
  28   int i;
  29   char c;
  30   float f;
  31   double d;
  32 };
  33
  34 typedef struct SimpleStruct SS;
  35
  36 struct ComplexStruct
  37 {
  38   struct SimpleStruct s;
  39   union SimpleUnion u;
  40   SS sa[ARRAY_SIZE];
  41 };
  42
  43 union ComplexUnion
  44 {
  45   SS s;
  46   struct SimpleStruct sa[ARRAY_SIZE];
  47 };
  48
  49 int
  50 main (void)
  51 {
  52   struct SimpleStruct ss;
  53   struct SimpleStruct* ss_ptr = &ss;
  54   SS ss_t;
  55
  56   union SimpleUnion su;
  57   struct ComplexStruct cs;
  58   struct ComplexStruct* cs_ptr = &cs;
  59   union ComplexUnion cu;
  60   int i;
  61   double darray[5] = {0.1, 0.2, 0.3, 0.4, 0.5};
  62   double *darray_ref = darray;
  63
  64   ss.a = 10;
  65   ss.d = 100.01;
  66   ss_t = ss;
  67
  68   su.d = 100.1;
  69
  70   cs.s = ss;
  71   cs.u = su;
  72   for (i = 0; i < ARRAY_SIZE; i++)
  73     {
  74       cs.sa[i].a = i;
  75       cs.sa[i].d = 10.10 + i;
  76       cu.sa[i].a = i;
  77       cu.sa[i].d = 100.10 + i;
  78     }
  79
  80   return 0; /* Break here. */
  81 }