gdb/testsuite/gdb.base/whatis.c

   1 /* This test program is part of GDB, the GNU debugger.
   2
   3    Copyright 1992, 1993, 1994, 1997, 1999, 2004
   4    Free Software Foundation, Inc.
   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 2 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, write to the Free Software
  18    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  19    */
  20
  21 /*
  22  *      Test file with lots of different types, for testing the
  23  *      "whatis" command.
  24  */
  25
  26 /*
  27  *      First the basic C types.
  28  */
  29
  30 char            v_char;
  31 signed char     v_signed_char;
  32 unsigned char   v_unsigned_char;
  33
  34 short           v_short;
  35 signed short    v_signed_short;
  36 unsigned short  v_unsigned_short;
  37
  38 int             v_int;
  39 signed int      v_signed_int;
  40 unsigned int    v_unsigned_int;
  41
  42 long            v_long;
  43 signed long     v_signed_long;
  44 unsigned long   v_unsigned_long;
  45
  46 float           v_float;
  47 double          v_double;
  48
  49 /*
  50  *      Now some derived types, which are arrays, functions-returning,
  51  *      pointers, structures, unions, and enumerations.
  52  */
  53
  54 /**** arrays *******/
  55
  56 char            v_char_array[2];
  57 signed char     v_signed_char_array[2];
  58 unsigned char   v_unsigned_char_array[2];
  59
  60 short           v_short_array[2];
  61 signed short    v_signed_short_array[2];
  62 unsigned short  v_unsigned_short_array[2];
  63
  64 int             v_int_array[2];
  65 signed int      v_signed_int_array[2];
  66 unsigned int    v_unsigned_int_array[2];
  67
  68 long            v_long_array[2];
  69 signed long     v_signed_long_array[2];
  70 unsigned long   v_unsigned_long_array[2];
  71
  72 float           v_float_array[2];
  73 double          v_double_array[2];
  74
  75 /**** pointers *******/
  76
  77 /* Make sure they still print as pointer to foo even there is a typedef
  78    for that type.  Test this not just for char *, which might be
  79    a special case kludge in GDB (Unix system include files like to define
  80    caddr_t), but for a variety of types.  */
  81 typedef char *char_addr;
  82 static char_addr a_char_addr;
  83 typedef unsigned short *ushort_addr;
  84 static ushort_addr a_ushort_addr;
  85 typedef signed long *slong_addr;
  86 static slong_addr a_slong_addr;
  87
  88 char            *v_char_pointer;
  89 signed char     *v_signed_char_pointer;
  90 unsigned char   *v_unsigned_char_pointer;
  91
  92 short           *v_short_pointer;
  93 signed short    *v_signed_short_pointer;
  94 unsigned short  *v_unsigned_short_pointer;
  95
  96 int             *v_int_pointer;
  97 signed int      *v_signed_int_pointer;
  98 unsigned int    *v_unsigned_int_pointer;
  99
 100 long            *v_long_pointer;
 101 signed long     *v_signed_long_pointer;
 102 unsigned long   *v_unsigned_long_pointer;
 103
 104 float           *v_float_pointer;
 105 double          *v_double_pointer;
 106
 107 /**** structs *******/
 108
 109 struct t_struct {
 110     char        v_char_member;
 111     short       v_short_member;
 112     int         v_int_member;
 113     long        v_long_member;
 114     float       v_float_member;
 115     double      v_double_member;
 116 } v_struct1;
 117
 118 struct {
 119     char        v_char_member;
 120     short       v_short_member;
 121     int         v_int_member;
 122     long        v_long_member;
 123     float       v_float_member;
 124     double      v_double_member;
 125 } v_struct2;
 126
 127 /**** unions *******/
 128
 129 union t_union {
 130     char        v_char_member;
 131     short       v_short_member;
 132     int         v_int_member;
 133     long        v_long_member;
 134     float       v_float_member;
 135     double      v_double_member;
 136 } v_union;
 137
 138 union {
 139     char        v_char_member;
 140     short       v_short_member;
 141     int         v_int_member;
 142     long        v_long_member;
 143     float       v_float_member;
 144     double      v_double_member;
 145 } v_union2;
 146
 147 /*** Functions returning type ********/
 148
 149 char            v_char_func () { return(0); }
 150 signed char     v_signed_char_func () { return (0); }
 151 unsigned char   v_unsigned_char_func () { return (0); }
 152
 153 short           v_short_func () { return (0); }
 154 signed short    v_signed_short_func () { return (0); }
 155 unsigned short  v_unsigned_short_func () { return (0); }
 156
 157 int             v_int_func () { return (0); }
 158 signed int      v_signed_int_func () { return (0); }
 159 unsigned int    v_unsigned_int_func () { return (0); }
 160
 161 long            v_long_func () { return (0); }
 162 signed long     v_signed_long_func () { return (0); }
 163 unsigned long   v_unsigned_long_func () { return (0); }
 164
 165 float           v_float_func () { return (0.0); }
 166 double          v_double_func () { return (0.0); }
 167
 168 /**** Some misc more complicated things *******/
 169
 170 struct link {
 171         struct link *next;
 172 #ifdef __STDC__
 173         struct link *(*linkfunc) (struct link *this, int flags);
 174 #else
 175         struct link *(*linkfunc) ();
 176 #endif
 177         struct t_struct stuff[1][2][3];
 178 } *s_link;
 179
 180 union tu_link {
 181         struct link *next;
 182 #ifdef __STDC__
 183         struct link *(*linkfunc) (struct link *this, int flags);
 184 #else
 185         struct link *(*linkfunc) ();
 186 #endif
 187         struct t_struct stuff[1][2][3];
 188 } u_link;
 189
 190 struct outer_struct {
 191         int outer_int;
 192         struct inner_struct {
 193                 int inner_int;
 194                 long inner_long;
 195         }inner_struct_instance;
 196         union inner_union {
 197                 int inner_union_int;
 198                 long inner_union_long;
 199         }inner_union_instance;
 200         long outer_long;
 201 } nested_su;
 202
 203 /**** Enumerations *******/
 204
 205 enum colors {red, green, blue} color;
 206 enum cars {chevy, ford, porsche} clunker;
 207
 208 /***********/
 209
 210 int main ()
 211 {
 212 #ifdef usestubs
 213   set_debug_traps();
 214   breakpoint();
 215 #endif
 216   /* Some linkers (e.g. on AIX) remove unreferenced variables,
 217      so make sure to reference them. */
 218   v_char = 0;
 219   v_signed_char = 1;
 220   v_unsigned_char = 2;
 221
 222   v_short = 3;
 223   v_signed_short = 4;
 224   v_unsigned_short = 5;
 225
 226   v_int = 6;
 227   v_signed_int = 7;
 228   v_unsigned_int = 8;
 229
 230   v_long = 9;
 231   v_signed_long = 10;
 232   v_unsigned_long = 11;
 233
 234   v_float = 100.0;
 235   v_double = 200.0;
 236
 237
 238   v_char_array[0] = v_char;
 239   v_signed_char_array[0] = v_signed_char;
 240   v_unsigned_char_array[0] = v_unsigned_char;
 241
 242   v_short_array[0] = v_short;
 243   v_signed_short_array[0] = v_signed_short;
 244   v_unsigned_short_array[0] = v_unsigned_short;
 245
 246   v_int_array[0] = v_int;
 247   v_signed_int_array[0] = v_signed_int;
 248   v_unsigned_int_array[0] = v_unsigned_int;
 249
 250   v_long_array[0] = v_long;
 251   v_signed_long_array[0] = v_signed_long;
 252   v_unsigned_long_array[0] = v_unsigned_long;
 253
 254   v_float_array[0] = v_float;
 255   v_double_array[0] = v_double;
 256
 257   v_char_pointer = &v_char;
 258   v_signed_char_pointer = &v_signed_char;
 259   v_unsigned_char_pointer = &v_unsigned_char;
 260
 261   v_short_pointer = &v_short;
 262   v_signed_short_pointer = &v_signed_short;
 263   v_unsigned_short_pointer = &v_unsigned_short;
 264
 265   v_int_pointer = &v_int;
 266   v_signed_int_pointer = &v_signed_int;
 267   v_unsigned_int_pointer = &v_unsigned_int;
 268
 269   v_long_pointer = &v_long;
 270   v_signed_long_pointer = &v_signed_long;
 271   v_unsigned_long_pointer = &v_unsigned_long;
 272
 273   v_float_pointer = &v_float;
 274   v_double_pointer = &v_double;
 275
 276   color = red;
 277   clunker = porsche;
 278
 279   u_link.next = s_link;
 280
 281   v_union2.v_short_member = v_union.v_short_member;
 282
 283   v_struct1.v_char_member = 0;
 284   v_struct2.v_char_member = 0;
 285
 286   nested_su.outer_int = 0;
 287   return 0;
 288 }