gdb/testsuite/gdb.base/whatis.c

   1 /*
   2  *      Test file with lots of different types, for testing the
   3  *      "whatis" command.
   4  */
   5
   6 /*
   7  *      First the basic C types.
   8  */
   9
  10 #if !(defined (__STDC__) || defined (_AIX))
  11 #define signed  /**/
  12 #endif
  13
  14 char            v_char;
  15 signed char     v_signed_char;
  16 unsigned char   v_unsigned_char;
  17
  18 short           v_short;
  19 signed short    v_signed_short;
  20 unsigned short  v_unsigned_short;
  21
  22 int             v_int;
  23 signed int      v_signed_int;
  24 unsigned int    v_unsigned_int;
  25
  26 long            v_long;
  27 signed long     v_signed_long;
  28 unsigned long   v_unsigned_long;
  29
  30 float           v_float;
  31 double          v_double;
  32
  33 /*
  34  *      Now some derived types, which are arrays, functions-returning,
  35  *      pointers, structures, unions, and enumerations.
  36  */
  37
  38 /**** arrays *******/
  39
  40 char            v_char_array[2];
  41 signed char     v_signed_char_array[2];
  42 unsigned char   v_unsigned_char_array[2];
  43
  44 short           v_short_array[2];
  45 signed short    v_signed_short_array[2];
  46 unsigned short  v_unsigned_short_array[2];
  47
  48 int             v_int_array[2];
  49 signed int      v_signed_int_array[2];
  50 unsigned int    v_unsigned_int_array[2];
  51
  52 long            v_long_array[2];
  53 signed long     v_signed_long_array[2];
  54 unsigned long   v_unsigned_long_array[2];
  55
  56 float           v_float_array[2];
  57 double          v_double_array[2];
  58
  59 /**** pointers *******/
  60
  61 /* Make sure they still print as pointer to foo even there is a typedef
  62    for that type.  Test this not just for char *, which might be
  63    a special case kludge in GDB (Unix system include files like to define
  64    caddr_t), but for a variety of types.  */
  65 typedef char *char_addr;
  66 typedef unsigned short *ushort_addr;
  67 typedef signed long *slong_addr;
  68
  69 char            *v_char_pointer;
  70 signed char     *v_signed_char_pointer;
  71 unsigned char   *v_unsigned_char_pointer;
  72
  73 short           *v_short_pointer;
  74 signed short    *v_signed_short_pointer;
  75 unsigned short  *v_unsigned_short_pointer;
  76
  77 int             *v_int_pointer;
  78 signed int      *v_signed_int_pointer;
  79 unsigned int    *v_unsigned_int_pointer;
  80
  81 long            *v_long_pointer;
  82 signed long     *v_signed_long_pointer;
  83 unsigned long   *v_unsigned_long_pointer;
  84
  85 float           *v_float_pointer;
  86 double          *v_double_pointer;
  87
  88 /**** structs *******/
  89
  90 struct t_struct {
  91     char        v_char_member;
  92     short       v_short_member;
  93     int         v_int_member;
  94     long        v_long_member;
  95     float       v_float_member;
  96     double      v_double_member;
  97 } v_struct1;
  98
  99 struct {
 100     char        v_char_member;
 101     short       v_short_member;
 102     int         v_int_member;
 103     long        v_long_member;
 104     float       v_float_member;
 105     double      v_double_member;
 106 } v_struct2;
 107
 108 /**** unions *******/
 109
 110 union t_union {
 111     char        v_char_member;
 112     short       v_short_member;
 113     int         v_int_member;
 114     long        v_long_member;
 115     float       v_float_member;
 116     double      v_double_member;
 117 } v_union;
 118
 119 union {
 120     char        v_char_member;
 121     short       v_short_member;
 122     int         v_int_member;
 123     long        v_long_member;
 124     float       v_float_member;
 125     double      v_double_member;
 126 } v_union2;
 127
 128 /*** Functions returning type ********/
 129
 130 char            v_char_func () { return(0); }
 131 signed char     v_signed_char_func () { return (0); }
 132 unsigned char   v_unsigned_char_func () { return (0); }
 133
 134 short           v_short_func () { return (0); }
 135 signed short    v_signed_short_func () { return (0); }
 136 unsigned short  v_unsigned_short_func () { return (0); }
 137
 138 int             v_int_func () { return (0); }
 139 signed int      v_signed_int_func () { return (0); }
 140 unsigned int    v_unsigned_int_func () { return (0); }
 141
 142 long            v_long_func () { return (0); }
 143 signed long     v_signed_long_func () { return (0); }
 144 unsigned long   v_unsigned_long_func () { return (0); }
 145
 146 float           v_float_func () { return (0.0); }
 147 double          v_double_func () { return (0.0); }
 148
 149 /**** Some misc more complicated things *******/
 150
 151 struct link {
 152         struct link *next;
 153 #ifdef __STDC__
 154         struct link *(*linkfunc) (struct link *this, int flags);
 155 #else
 156         struct link *(*linkfunc) ();
 157 #endif
 158         struct t_struct stuff[1][2][3];
 159 } *s_link;
 160
 161 union tu_link {
 162         struct link *next;
 163 #ifdef __STDC__
 164         struct link *(*linkfunc) (struct link *this, int flags);
 165 #else
 166         struct link *(*linkfunc) ();
 167 #endif
 168         struct t_struct stuff[1][2][3];
 169 } u_link;
 170
 171 struct outer_struct {
 172         int outer_int;
 173         struct inner_struct {
 174                 int inner_int;
 175                 long inner_long;
 176         }inner_struct_instance;
 177         union inner_union {
 178                 int inner_union_int;
 179                 long inner_union_long;
 180         }inner_union_instance;
 181         long outer_long;
 182 } nested_su;
 183
 184 /**** Enumerations *******/
 185
 186 enum colors {red, green, blue} color;
 187 enum cars {chevy, ford, porsche} clunker;
 188
 189 /***********/
 190
 191 int main ()
 192 {
 193 #ifdef usestubs
 194   set_debug_traps();
 195   breakpoint();
 196 #endif
 197   /* Some linkers (e.g. on AIX) remove unreferenced variables,
 198      so make sure to reference them. */
 199   v_char = 0;
 200   v_signed_char = 1;
 201   v_unsigned_char = 2;
 202
 203   v_short = 3;
 204   v_signed_short = 4;
 205   v_unsigned_short = 5;
 206
 207   v_int = 6;
 208   v_signed_int = 7;
 209   v_unsigned_int = 8;
 210
 211   v_long = 9;
 212   v_signed_long = 10;
 213   v_unsigned_long = 11;
 214
 215   v_float = 100.0;
 216   v_double = 200.0;
 217
 218
 219   v_char_array[0] = v_char;
 220   v_signed_char_array[0] = v_signed_char;
 221   v_unsigned_char_array[0] = v_unsigned_char;
 222
 223   v_short_array[0] = v_short;
 224   v_signed_short_array[0] = v_signed_short;
 225   v_unsigned_short_array[0] = v_unsigned_short;
 226
 227   v_int_array[0] = v_int;
 228   v_signed_int_array[0] = v_signed_int;
 229   v_unsigned_int_array[0] = v_unsigned_int;
 230
 231   v_long_array[0] = v_long;
 232   v_signed_long_array[0] = v_signed_long;
 233   v_unsigned_long_array[0] = v_unsigned_long;
 234
 235   v_float_array[0] = v_float;
 236   v_double_array[0] = v_double;
 237
 238   v_char_pointer = &v_char;
 239   v_signed_char_pointer = &v_signed_char;
 240   v_unsigned_char_pointer = &v_unsigned_char;
 241
 242   v_short_pointer = &v_short;
 243   v_signed_short_pointer = &v_signed_short;
 244   v_unsigned_short_pointer = &v_unsigned_short;
 245
 246   v_int_pointer = &v_int;
 247   v_signed_int_pointer = &v_signed_int;
 248   v_unsigned_int_pointer = &v_unsigned_int;
 249
 250   v_long_pointer = &v_long;
 251   v_signed_long_pointer = &v_signed_long;
 252   v_unsigned_long_pointer = &v_unsigned_long;
 253
 254   v_float_pointer = &v_float;
 255   v_double_pointer = &v_double;
 256
 257   color = red;
 258   clunker = porsche;
 259
 260   u_link.next = s_link;
 261
 262   v_union2.v_short_member = v_union.v_short_member;
 263
 264   v_struct1.v_char_member = 0;
 265   v_struct2.v_char_member = 0;
 266
 267   nested_su.outer_int = 0;
 268   return 0;
 269 }