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