gdb/testsuite/gdb.base/pointers.c

   1
   2 #if !defined (__STDC__) && !defined (_AIX)
   3 #define signed  /**/
   4 #endif
   5
   6 char            v_char;
   7 signed char     v_signed_char;
   8 unsigned char   v_unsigned_char;
   9
  10 short           v_short;
  11 signed short    v_signed_short;
  12 unsigned short  v_unsigned_short;
  13
  14 int             v_int;
  15 signed int      v_signed_int;
  16 unsigned int    v_unsigned_int;
  17
  18 long            v_long;
  19 signed long     v_signed_long;
  20 unsigned long   v_unsigned_long;
  21
  22 float           v_float;
  23 double          v_double;
  24
  25
  26
  27 char            *v_char_pointer;
  28 signed char     *v_signed_char_pointer;
  29 unsigned char   *v_unsigned_char_pointer;
  30
  31 short           *v_short_pointer;
  32 signed short    *v_signed_short_pointer;
  33 unsigned short  *v_unsigned_short_pointer;
  34
  35 int             *v_int_pointer;
  36 int             *v_int_pointer2;
  37 signed int      *v_signed_int_pointer;
  38 unsigned int    *v_unsigned_int_pointer;
  39
  40 long            *v_long_pointer;
  41 signed long     *v_signed_long_pointer;
  42 unsigned long   *v_unsigned_long_pointer;
  43
  44 float           *v_float_pointer;
  45 double          *v_double_pointer;
  46
  47
  48 char            v_char_array[2];
  49 signed char     v_signed_char_array[2];
  50 unsigned char   v_unsigned_char_array[2];
  51
  52 short           v_short_array[2];
  53 signed short    v_signed_short_array[2];
  54 unsigned short  v_unsigned_short_array[2];
  55
  56 int             v_int_array[2];
  57 signed int      v_signed_int_array[2];
  58 unsigned int    v_unsigned_int_array[2];
  59
  60 long            v_long_array[2];
  61 signed long     v_signed_long_array[2];
  62 unsigned long   v_unsigned_long_array[2];
  63
  64 float           v_float_array[2];
  65 double          v_double_array[2];
  66
  67 int matrix[2][3] = { { 0, 1, 2}, {3, 4, 5}};
  68 int (*rptr)[3] = matrix;
  69
  70 float ** ptr_to_ptr_to_float;
  71
  72 int y;
  73
  74 /* Do nothing function used for forcing some of the above variables to
  75    be referenced by the program source.  If the variables are not
  76    referenced, some linkers will remove the symbol from the symbol
  77    table making it impossible to refer to the variable in gdb.  */
  78 void usevar (void *var) {}
  79
  80 int main ()
  81 {
  82   void dummy();
  83   int more_code();
  84
  85 #ifdef usestubs
  86   set_debug_traps();
  87   breakpoint();
  88 #endif
  89   dummy();
  90
  91   more_code ();
  92
  93   usevar (&v_int_pointer2);
  94   usevar (&rptr);
  95   usevar (&y);
  96
  97   return 0;
  98
  99 }
 100
 101 void dummy()
 102 {
 103
 104
 105   v_char = 0;
 106   v_signed_char = 1;
 107   v_unsigned_char = 2;
 108
 109   v_short = 3;
 110   v_signed_short = 4;
 111   v_unsigned_short = 5;
 112
 113   v_int = 6;
 114   v_signed_int = 7;
 115   v_unsigned_int = 8;
 116
 117   v_long = 9;
 118   v_signed_long = 10;
 119   v_unsigned_long = 11;
 120
 121   v_float = 100.0;
 122   v_double = 200.0;
 123
 124
 125
 126   v_char_pointer = &v_char;
 127   v_signed_char_pointer = &v_signed_char;
 128   v_unsigned_char_pointer = &v_unsigned_char;
 129
 130   v_short_pointer = &v_short;
 131   v_signed_short_pointer = &v_signed_short;
 132   v_unsigned_short_pointer = &v_unsigned_short;
 133
 134   v_int_pointer = &v_int;
 135   v_signed_int_pointer = &v_signed_int;
 136   v_unsigned_int_pointer = &v_unsigned_int;
 137
 138   v_long_pointer = &v_long;
 139   v_signed_long_pointer = &v_signed_long;
 140   v_unsigned_long_pointer = &v_unsigned_long;
 141
 142   v_float_pointer = &v_float;
 143   v_double_pointer = &v_double;
 144
 145   ptr_to_ptr_to_float = &v_float_pointer;
 146
 147
 148   v_char_array[0] = v_char;
 149   v_signed_char_array[0] = v_signed_char;
 150   v_unsigned_char_array[0] = v_unsigned_char;
 151
 152   v_short_array[0] = v_short;
 153   v_signed_short_array[0] = v_signed_short;
 154   v_unsigned_short_array[0] = v_unsigned_short;
 155
 156   v_int_array[0] = v_int;
 157   v_int_array[1] = v_int * 3;
 158
 159   v_signed_int_array[0] = v_signed_int;
 160   v_unsigned_int_array[0] = v_unsigned_int;
 161
 162   v_long_array[0] = v_long;
 163   v_signed_long_array[0] = v_signed_long;
 164   v_unsigned_long_array[0] = v_unsigned_long;
 165
 166   v_float_array[0] = v_float;
 167   v_double_array[0] = v_double;
 168
 169 }
 170
 171 void marker1 ()
 172 {
 173 }
 174
 175 int more_code()
 176 {
 177     char C, *pC, **ppC, ***pppC, ****ppppC, *****pppppC, ******ppppppC;
 178     unsigned char UC, *pUC;
 179     short S, *pS;
 180     unsigned short US, *pUS;
 181     int I, *pI;
 182     unsigned int UI, *pUI;
 183     long L, *pL;
 184     unsigned long UL, *pUL;
 185     float F, *pF;
 186     double D, *pD;
 187
 188     C = 'A';
 189     UC = 21;
 190     S = -14;
 191     US = 7;
 192     I = 102;
 193     UI = 1002;
 194     L = -234;
 195     UL = 234;
 196     F = 1.25E10;
 197     D = -1.375E-123;
 198     pC = &C;
 199     ppC = &pC;
 200     pppC = &ppC;
 201     ppppC = &pppC;
 202     pppppC = &ppppC;
 203     ppppppC = &pppppC;
 204     pUC = &UC;
 205     pS = &S;
 206     pUS = &US;
 207     pI = &I;
 208     pUI = &UI;
 209     pL = &L;
 210     pUL = &UL;
 211     pF = &F;
 212     pD = &D;
 213
 214     marker1();
 215     return 0;
 216 }