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

   1 /* This testcase is part of GDB, the GNU debugger.
   2
   3    Copyright 2008-2014 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 #include <stdio.h>
  19 #include <stdlib.h>
  20 #include <string.h>
  21
  22 struct s
  23 {
  24   int a;
  25   int b;
  26 };
  27
  28 union u
  29 {
  30   int a;
  31   float b;
  32 };
  33
  34 enum e
  35   {
  36     ONE = 1,
  37     TWO = 2
  38   };
  39
  40 typedef struct s *PTR;
  41
  42 enum e evalue = TWO;
  43
  44 struct str
  45 {
  46   int length;
  47   /* Variable length.  */
  48   char text[1];
  49 };
  50
  51 #ifdef __cplusplus
  52
  53 struct Base {
  54   virtual int x() { return 5; }
  55 };
  56
  57 struct Derived : public Base {
  58 };
  59
  60 Base *base = new Derived ();
  61
  62 void ptr_ref(int*& rptr_int)
  63 {
  64   return; /* break to inspect pointer by reference. */
  65 }
  66 #endif
  67
  68 void func1 ()
  69 {
  70   printf ("void function called\n");
  71 }
  72
  73 int func2 (int arg1, int arg2)
  74 {
  75   return arg1 + arg2;
  76 }
  77
  78 char **save_argv;
  79
  80 int
  81 main (int argc, char *argv[])
  82 {
  83   char *cp = argv[0]; /* Prevent gcc from optimizing argv[] out.  */
  84   struct s s;
  85   union u u;
  86   PTR x = &s;
  87   char st[17] = "divide et impera";
  88   char nullst[17] = "divide\0et\0impera";
  89   void (*fp1) (void)  = &func1;
  90   int  (*fp2) (int, int) = &func2;
  91   const char *sptr = "pointer";
  92   const char *embed = "embedded x\201\202\203\204";
  93   int a[3] = {1,2,3};
  94   int *p = a;
  95   int i = 2;
  96   int *ptr_i = &i;
  97   const char *sn = 0;
  98   struct str *xstr;
  99
 100   s.a = 3;
 101   s.b = 5;
 102   u.a = 7;
 103   (*fp1) ();
 104   (*fp2) (10,20);
 105
 106 #ifdef __cplusplus
 107   ptr_ref(ptr_i);
 108 #endif
 109
 110 #define STR_LENGTH 100
 111   xstr = (struct str *) malloc (sizeof (*xstr) + STR_LENGTH);
 112   xstr->length = STR_LENGTH;
 113   memset (xstr->text, 'x', STR_LENGTH);
 114 #undef STR_LENGTH
 115
 116   save_argv = argv;      /* break to inspect struct and union */
 117   return 0;
 118 }