gdb/testsuite/gdb.base/exprs.c

   1 #ifdef PROTOTYPES
   2 int main (int argc, char **argv, char **envp)
   3 #else
   4 main (argc, argv, envp)
   5      int argc;
   6      char **argv;
   7      char **envp;
   8 #endif
   9 {
  10     extern void dummy();
  11     dummy();
  12     return 0;
  13
  14 }
  15
  16 /* We put main() right up front so its line number doesn't keep changing.  */
  17
  18 /*
  19  *      Test file with lots of different types, for testing the
  20  *      "whatis" command.
  21  */
  22
  23 /*
  24  *      First the basic C types.
  25  */
  26
  27 #if !defined (__STDC__) && !defined (_AIX)
  28 #define signed  /**/
  29 #endif
  30
  31 char            v_char;
  32 signed char     v_signed_char;
  33 unsigned char   v_unsigned_char;
  34
  35 short           v_short;
  36 signed short    v_signed_short;
  37 unsigned short  v_unsigned_short;
  38
  39 int             v_int;
  40 signed int      v_signed_int;
  41 unsigned int    v_unsigned_int;
  42
  43 long            v_long;
  44 signed long     v_signed_long;
  45 unsigned long   v_unsigned_long;
  46
  47 float           v_float;
  48 double          v_double;
  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 /**** initialized array *******/
  76
  77 int             v_int_array_init[2] = { 10, 20 };
  78
  79 /**** pointers *******/
  80
  81 char            *v_char_pointer;
  82 signed char     *v_signed_char_pointer;
  83 unsigned char   *v_unsigned_char_pointer;
  84
  85 short           *v_short_pointer;
  86 signed short    *v_signed_short_pointer;
  87 unsigned short  *v_unsigned_short_pointer;
  88
  89 int             *v_int_pointer;
  90 signed int      *v_signed_int_pointer;
  91 unsigned int    *v_unsigned_int_pointer;
  92
  93 long            *v_long_pointer;
  94 signed long     *v_signed_long_pointer;
  95 unsigned long   *v_unsigned_long_pointer;
  96
  97 float           *v_float_pointer;
  98 double          *v_double_pointer;
  99
 100 /**** structs *******/
 101
 102 struct t_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_struct1;
 110
 111 struct {
 112     char        v_char_member;
 113     short       v_short_member;
 114     int         v_int_member;
 115     long        v_long_member;
 116     float       v_float_member;
 117     double      v_double_member;
 118 } v_struct2;
 119
 120 /**** unions *******/
 121
 122 union t_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_union;
 130
 131 union {
 132     char        v_char_member;
 133     short       v_short_member;
 134     int         v_int_member;
 135     long        v_long_member;
 136     float       v_float_member;
 137     double      v_double_member;
 138 } v_union2;
 139
 140 /*** Functions returning type ********/
 141
 142 char            v_char_func () { return(0); }
 143 signed char     v_signed_char_func () { return (0); }
 144 unsigned char   v_unsigned_char_func () { return (0); }
 145
 146 short           v_short_func () { return (0); }
 147 signed short    v_signed_short_func () { return (0); }
 148 unsigned short  v_unsigned_short_func () { return (0); }
 149
 150 int             v_int_func () { return (0); }
 151 signed int      v_signed_int_func () { return (0); }
 152 unsigned int    v_unsigned_int_func () { return (0); }
 153
 154 long            v_long_func () { return (0); }
 155 signed long     v_signed_long_func () { return (0); }
 156 unsigned long   v_unsigned_long_func () { return (0); }
 157
 158 float           v_float_func () { return (0.0); }
 159 double          v_double_func () { return (0.0); }
 160
 161 /**** Some misc more complicated things *******/
 162
 163 struct link {
 164         struct link *next;
 165 #ifdef __STDC__
 166         struct link *(*linkfunc) (struct link *this, int flags);
 167 #else
 168         struct link *(*linkfunc) ();
 169 #endif
 170         struct t_struct stuff[1][2][3];
 171 } *s_link;
 172
 173 union tu_link {
 174         struct link *next;
 175 #ifdef __STDC__
 176         struct link *(*linkfunc) (struct link *this, int flags);
 177 #else
 178         struct link *(*linkfunc) ();
 179 #endif
 180         struct t_struct stuff[1][2][3];
 181 } u_link;
 182
 183 /**** Enumerations *******/
 184
 185 enum colors {red, green, blue} color;
 186 enum cars {chevy, ford, porsche} clunker;
 187
 188
 189 void dummy()
 190 {
 191   /* Some linkers (e.g. on AIX) remove unreferenced variables,
 192      so make sure to reference them. */
 193   v_char = 0;
 194   v_signed_char = 1;
 195   v_unsigned_char = 2;
 196
 197   v_short = 3;
 198   v_signed_short = 4;
 199   v_unsigned_short = 5;
 200
 201   v_int = 6;
 202   v_signed_int = 7;
 203   v_unsigned_int = 8;
 204
 205   v_long = 9;
 206   v_signed_long = 10;
 207   v_unsigned_long = 11;
 208
 209   v_float = 100.0;
 210   v_double = 200.0;
 211   v_char_array[0] = v_char;
 212   v_signed_char_array[0] = v_signed_char;
 213   v_unsigned_char_array[0] = v_unsigned_char;
 214
 215   v_short_array[0] = v_short;
 216   v_signed_short_array[0] = v_signed_short;
 217   v_unsigned_short_array[0] = v_unsigned_short;
 218
 219   v_int_array[0] = v_int;
 220   v_signed_int_array[0] = v_signed_int;
 221   v_unsigned_int_array[0] = v_unsigned_int;
 222
 223   v_long_array[0] = v_long;
 224   v_signed_long_array[0] = v_signed_long;
 225   v_unsigned_long_array[0] = v_unsigned_long;
 226
 227   v_float_array[0] = v_float;
 228   v_double_array[0] = v_double;
 229   v_char_pointer = &v_char;
 230   v_signed_char_pointer = &v_signed_char;
 231   v_unsigned_char_pointer = &v_unsigned_char;
 232
 233   v_short_pointer = &v_short;
 234   v_signed_short_pointer = &v_signed_short;
 235   v_unsigned_short_pointer = &v_unsigned_short;
 236
 237   v_int_pointer = &v_int;
 238   v_signed_int_pointer = &v_signed_int;
 239   v_unsigned_int_pointer = &v_unsigned_int;
 240
 241   v_long_pointer = &v_long;
 242   v_signed_long_pointer = &v_signed_long;
 243   v_unsigned_long_pointer = &v_unsigned_long;
 244
 245   v_float_pointer = &v_float;
 246   v_double_pointer = &v_double;
 247
 248   color = red;
 249   clunker = porsche;
 250
 251   u_link.next = s_link;
 252
 253   v_struct2.v_int_member = v_struct1.v_int_member;
 254   v_union2.v_short_member = v_union.v_short_member;
 255 }