gdb/testsuite/gdb.base/exprs.c

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