gdb/testsuite/gdb.base/exprs.c

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