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 #ifdef usestubs
  12     set_debug_traps();
  13     breakpoint();
  14 #endif
  15     dummy();
  16     return 0;
  17
  18 }
  19
  20 /* We put main() right up front so its line number doesn't keep changing.  */
  21
  22 /*
  23  *      Test file with lots of different types, for testing the
  24  *      "whatis" command.
  25  */
  26
  27 /*
  28  *      First the basic C types.
  29  */
  30
  31 #if !defined (__STDC__) && !defined (_AIX)
  32 #define signed  /**/
  33 #endif
  34
  35 char            v_char;
  36 signed char     v_signed_char;
  37 unsigned char   v_unsigned_char;
  38
  39 short           v_short;
  40 signed short    v_signed_short;
  41 unsigned short  v_unsigned_short;
  42
  43 int             v_int;
  44 signed int      v_signed_int;
  45 unsigned int    v_unsigned_int;
  46
  47 long            v_long;
  48 signed long     v_signed_long;
  49 unsigned long   v_unsigned_long;
  50
  51 float           v_float;
  52 double          v_double;
  53 /*
  54  *      Now some derived types, which are arrays, functions-returning,
  55  *      pointers, structures, unions, and enumerations.
  56  */
  57
  58 /**** arrays *******/
  59
  60 char            v_char_array[2];
  61 signed char     v_signed_char_array[2];
  62 unsigned char   v_unsigned_char_array[2];
  63
  64 short           v_short_array[2];
  65 signed short    v_signed_short_array[2];
  66 unsigned short  v_unsigned_short_array[2];
  67
  68 int             v_int_array[2];
  69 signed int      v_signed_int_array[2];
  70 unsigned int    v_unsigned_int_array[2];
  71
  72 long            v_long_array[2];
  73 signed long     v_signed_long_array[2];
  74 unsigned long   v_unsigned_long_array[2];
  75
  76 float           v_float_array[2];
  77 double          v_double_array[2];
  78 /**** pointers *******/
  79
  80 char            *v_char_pointer;
  81 signed char     *v_signed_char_pointer;
  82 unsigned char   *v_unsigned_char_pointer;
  83
  84 short           *v_short_pointer;
  85 signed short    *v_signed_short_pointer;
  86 unsigned short  *v_unsigned_short_pointer;
  87
  88 int             *v_int_pointer;
  89 signed int      *v_signed_int_pointer;
  90 unsigned int    *v_unsigned_int_pointer;
  91
  92 long            *v_long_pointer;
  93 signed long     *v_signed_long_pointer;
  94 unsigned long   *v_unsigned_long_pointer;
  95
  96 float           *v_float_pointer;
  97 double          *v_double_pointer;
  98
  99 /**** structs *******/
 100
 101 struct t_struct {
 102     char        v_char_member;
 103     short       v_short_member;
 104     int         v_int_member;
 105     long        v_long_member;
 106     float       v_float_member;
 107     double      v_double_member;
 108 } v_struct1;
 109
 110 struct {
 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_struct2;
 118
 119 /**** unions *******/
 120
 121 union t_union {
 122     char        v_char_member;
 123     short       v_short_member;
 124     int         v_int_member;
 125     long        v_long_member;
 126     float       v_float_member;
 127     double      v_double_member;
 128 } v_union;
 129
 130 union {
 131     char        v_char_member;
 132     short       v_short_member;
 133     int         v_int_member;
 134     long        v_long_member;
 135     float       v_float_member;
 136     double      v_double_member;
 137 } v_union2;
 138
 139 /*** Functions returning type ********/
 140
 141 char            v_char_func () { return(0); }
 142 signed char     v_signed_char_func () { return (0); }
 143 unsigned char   v_unsigned_char_func () { return (0); }
 144
 145 short           v_short_func () { return (0); }
 146 signed short    v_signed_short_func () { return (0); }
 147 unsigned short  v_unsigned_short_func () { return (0); }
 148
 149 int             v_int_func () { return (0); }
 150 signed int      v_signed_int_func () { return (0); }
 151 unsigned int    v_unsigned_int_func () { return (0); }
 152
 153 long            v_long_func () { return (0); }
 154 signed long     v_signed_long_func () { return (0); }
 155 unsigned long   v_unsigned_long_func () { return (0); }
 156
 157 float           v_float_func () { return (0.0); }
 158 double          v_double_func () { return (0.0); }
 159
 160 /**** Some misc more complicated things *******/
 161
 162 struct link {
 163         struct link *next;
 164 #ifdef __STDC__
 165         struct link *(*linkfunc) (struct link *this, int flags);
 166 #else
 167         struct link *(*linkfunc) ();
 168 #endif
 169         struct t_struct stuff[1][2][3];
 170 } *s_link;
 171
 172 union tu_link {
 173         struct link *next;
 174 #ifdef __STDC__
 175         struct link *(*linkfunc) (struct link *this, int flags);
 176 #else
 177         struct link *(*linkfunc) ();
 178 #endif
 179         struct t_struct stuff[1][2][3];
 180 } u_link;
 181
 182 /**** Enumerations *******/
 183
 184 enum colors {red, green, blue} color;
 185 enum cars {chevy, ford, porsche} clunker;
 186
 187
 188 void dummy()
 189 {
 190   /* Some linkers (e.g. on AIX) remove unreferenced variables,
 191      so make sure to reference them. */
 192   v_char = 0;
 193   v_signed_char = 1;
 194   v_unsigned_char = 2;
 195
 196   v_short = 3;
 197   v_signed_short = 4;
 198   v_unsigned_short = 5;
 199
 200   v_int = 6;
 201   v_signed_int = 7;
 202   v_unsigned_int = 8;
 203
 204   v_long = 9;
 205   v_signed_long = 10;
 206   v_unsigned_long = 11;
 207
 208   v_float = 100.0;
 209   v_double = 200.0;
 210   v_char_array[0] = v_char;
 211   v_signed_char_array[0] = v_signed_char;
 212   v_unsigned_char_array[0] = v_unsigned_char;
 213
 214   v_short_array[0] = v_short;
 215   v_signed_short_array[0] = v_signed_short;
 216   v_unsigned_short_array[0] = v_unsigned_short;
 217
 218   v_int_array[0] = v_int;
 219   v_signed_int_array[0] = v_signed_int;
 220   v_unsigned_int_array[0] = v_unsigned_int;
 221
 222   v_long_array[0] = v_long;
 223   v_signed_long_array[0] = v_signed_long;
 224   v_unsigned_long_array[0] = v_unsigned_long;
 225
 226   v_float_array[0] = v_float;
 227   v_double_array[0] = v_double;
 228   v_char_pointer = &v_char;
 229   v_signed_char_pointer = &v_signed_char;
 230   v_unsigned_char_pointer = &v_unsigned_char;
 231
 232   v_short_pointer = &v_short;
 233   v_signed_short_pointer = &v_signed_short;
 234   v_unsigned_short_pointer = &v_unsigned_short;
 235
 236   v_int_pointer = &v_int;
 237   v_signed_int_pointer = &v_signed_int;
 238   v_unsigned_int_pointer = &v_unsigned_int;
 239
 240   v_long_pointer = &v_long;
 241   v_signed_long_pointer = &v_signed_long;
 242   v_unsigned_long_pointer = &v_unsigned_long;
 243
 244   v_float_pointer = &v_float;
 245   v_double_pointer = &v_double;
 246
 247   color = red;
 248   clunker = porsche;
 249
 250   u_link.next = s_link;
 251
 252   v_struct2.v_int_member = v_struct1.v_int_member;
 253   v_union2.v_short_member = v_union.v_short_member;
 254 }