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
  75 typedef long k[5];
  76
  77 typedef struct {
  78   k array_variable;
  79 } S;
  80
  81 S instance;
  82
  83 /* Do nothing function used for forcing some of the above variables to
  84    be referenced by the program source.  If the variables are not
  85    referenced, some linkers will remove the symbol from the symbol
  86    table making it impossible to refer to the variable in gdb.  */
  87 void usevar (void *var) {}
  88
  89 int main ()
  90 {
  91   void dummy();
  92   int more_code();
  93
  94 #ifdef usestubs
  95   set_debug_traps();
  96   breakpoint();
  97 #endif
  98   dummy();
  99
 100   more_code ();
 101
 102   usevar (&v_int_pointer2);
 103   usevar (&rptr);
 104   usevar (&y);
 105
 106   return 0;
 107
 108 }
 109
 110 void dummy()
 111 {
 112
 113
 114   v_char = 0;
 115   v_signed_char = 1;
 116   v_unsigned_char = 2;
 117
 118   v_short = 3;
 119   v_signed_short = 4;
 120   v_unsigned_short = 5;
 121
 122   v_int = 6;
 123   v_signed_int = 7;
 124   v_unsigned_int = 8;
 125
 126   v_long = 9;
 127   v_signed_long = 10;
 128   v_unsigned_long = 11;
 129
 130   v_float = 100.0;
 131   v_double = 200.0;
 132
 133
 134
 135   v_char_pointer = &v_char;
 136   v_signed_char_pointer = &v_signed_char;
 137   v_unsigned_char_pointer = &v_unsigned_char;
 138
 139   v_short_pointer = &v_short;
 140   v_signed_short_pointer = &v_signed_short;
 141   v_unsigned_short_pointer = &v_unsigned_short;
 142
 143   v_int_pointer = &v_int;
 144   v_signed_int_pointer = &v_signed_int;
 145   v_unsigned_int_pointer = &v_unsigned_int;
 146
 147   v_long_pointer = &v_long;
 148   v_signed_long_pointer = &v_signed_long;
 149   v_unsigned_long_pointer = &v_unsigned_long;
 150
 151   v_float_pointer = &v_float;
 152   v_double_pointer = &v_double;
 153
 154   ptr_to_ptr_to_float = &v_float_pointer;
 155
 156
 157   v_char_array[0] = v_char;
 158   v_signed_char_array[0] = v_signed_char;
 159   v_unsigned_char_array[0] = v_unsigned_char;
 160
 161   v_short_array[0] = v_short;
 162   v_signed_short_array[0] = v_signed_short;
 163   v_unsigned_short_array[0] = v_unsigned_short;
 164
 165   v_int_array[0] = v_int;
 166   v_int_array[1] = v_int * 3;
 167
 168   v_signed_int_array[0] = v_signed_int;
 169   v_unsigned_int_array[0] = v_unsigned_int;
 170
 171   v_long_array[0] = v_long;
 172   v_signed_long_array[0] = v_signed_long;
 173   v_unsigned_long_array[0] = v_unsigned_long;
 174
 175   v_float_array[0] = v_float;
 176   v_double_array[0] = v_double;
 177
 178 }
 179
 180 void marker1 ()
 181 {
 182 }
 183
 184 int more_code()
 185 {
 186     char C, *pC, **ppC, ***pppC, ****ppppC, *****pppppC, ******ppppppC;
 187     unsigned char UC, *pUC;
 188     short S, *pS;
 189     unsigned short US, *pUS;
 190     int I, *pI;
 191     unsigned int UI, *pUI;
 192     long L, *pL;
 193     unsigned long UL, *pUL;
 194     float F, *pF;
 195     double D, *pD;
 196
 197     C = 'A';
 198     UC = 21;
 199     S = -14;
 200     US = 7;
 201     I = 102;
 202     UI = 1002;
 203     L = -234;
 204     UL = 234;
 205     F = 1.25E10;
 206     D = -1.25E-37;
 207     pC = &C;
 208     ppC = &pC;
 209     pppC = &ppC;
 210     ppppC = &pppC;
 211     pppppC = &ppppC;
 212     ppppppC = &pppppC;
 213     pUC = &UC;
 214     pS = &S;
 215     pUS = &US;
 216     pI = &I;
 217     pUI = &UI;
 218     pL = &L;
 219     pUL = &UL;
 220     pF = &F;
 221     pD = &D;
 222
 223     marker1();
 224     return 0;
 225 }