gnu/dist/gdb6/gdb/testsuite/gdb.mi/var-cmd.c

   1 /* Copyright 1999, 2004 Free Software Foundation, Inc.
   2
   3    This file is part of GDB.
   4
   5    This program is free software; you can redistribute it and/or modify
   6    it under the terms of the GNU General Public License as published by
   7    the Free Software Foundation; either version 2 of the License, or (at
   8    your option) any later version.
   9
  10    This program is distributed in the hope that it will be useful, but
  11    WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    General Public License for more details.
  14
  15    You should have received a copy of the GNU General Public License
  16    along with this program; if not, write to the Free Software
  17    Foundation, Inc., 59 Temple Place - Suite 330,
  18    Boston, MA 02111-1307, USA.  */
  19
  20 #include <stdlib.h>
  21
  22 struct _simple_struct {
  23   int integer;
  24   unsigned int unsigned_integer;
  25   char character;
  26   signed char signed_character;
  27   char *char_ptr;
  28   int array_of_10[10];
  29 };
  30
  31 typedef struct _simple_struct simpleton;
  32
  33 simpleton global_simple;
  34
  35 enum foo {
  36   bar = 1,
  37   baz
  38 };
  39
  40 typedef enum foo efoo;
  41
  42 union named_union
  43 {
  44   int integer;
  45   char *char_ptr;
  46 };
  47
  48 typedef struct _struct_decl {
  49   int   integer;
  50   char  character;
  51   char *char_ptr;
  52   long  long_int;
  53   int  **int_ptr_ptr;
  54   long  long_array[10];
  55
  56   void (*func_ptr) (void);
  57   struct _struct_decl (*func_ptr_struct) (int, char *, long);
  58   struct _struct_decl *(*func_ptr_ptr) (int, char *, long);
  59   union {
  60     int   a;
  61     char *b;
  62     long  c;
  63     enum foo d;
  64   } u1;
  65
  66   struct {
  67     union {
  68       struct {
  69         int d;
  70         char e[10];
  71         int *(*func) (void);
  72         efoo foo;
  73       } u1s1;
  74
  75       long f;
  76       struct {
  77         char array_ptr[2];
  78         int (*func) (int, char *);
  79       } u1s2;
  80     } u2;
  81
  82     int g;
  83     char h;
  84     long i[10];
  85   } s2;
  86 } weird_struct;
  87
  88 struct _struct_n_pointer {
  89   char ****char_ptr;
  90   long ****long_ptr;
  91   struct _struct_n_pointer *ptrs[3];
  92   struct _struct_n_pointer *next;
  93 };
  94
  95 void do_locals_tests (void);
  96 void do_block_tests (void);
  97 void subroutine1 (int, long *);
  98 void nothing (void);
  99 void do_children_tests (void);
 100 void do_special_tests (void);
 101 void incr_a (char);
 102
 103 void incr_a (char a)
 104 {
 105   int b;
 106   b = a;
 107 }
 108
 109 void
 110 do_locals_tests ()
 111 {
 112   int linteger;
 113   int *lpinteger;
 114   char lcharacter;
 115   char *lpcharacter;
 116   long llong;
 117   long *lplong;
 118   float lfloat;
 119   float *lpfloat;
 120   double ldouble;
 121   double *lpdouble;
 122   struct _simple_struct lsimple;
 123   struct _simple_struct *lpsimple;
 124   void (*func) (void);
 125
 126   /* Simple assignments */
 127   linteger = 1234;
 128   lpinteger = &linteger;
 129   lcharacter = 'a';
 130   lpcharacter = &lcharacter;
 131   llong = 2121L;
 132   lplong = &llong;
 133   lfloat = 2.1;
 134   lpfloat = &lfloat;
 135   ldouble = 2.718281828459045;
 136   lpdouble = &ldouble;
 137   lsimple.integer = 1234;
 138   lsimple.unsigned_integer = 255;
 139   lsimple.character = 'a';
 140   lsimple.signed_character = 21;
 141   lsimple.char_ptr = &lcharacter;
 142   lpsimple = &lsimple;
 143   func = nothing;
 144
 145   /* Check pointers */
 146   linteger = 4321;
 147   lcharacter = 'b';
 148   llong = 1212L;
 149   lfloat = 1.2;
 150   ldouble = 5.498548281828172;
 151   lsimple.integer = 255;
 152   lsimple.unsigned_integer = 4321;
 153   lsimple.character = 'b';
 154   lsimple.signed_character = 0;
 155
 156   subroutine1 (linteger, &llong);
 157 }
 158
 159 void
 160 nothing ()
 161 {
 162 }
 163
 164 void
 165 subroutine1 (int i, long *l)
 166 {
 167   global_simple.integer = i + 3;
 168   i = 212;
 169   *l = 12;
 170 }
 171
 172 void
 173 do_block_tests ()
 174 {
 175   int cb = 12;
 176
 177   {
 178     int foo;
 179     foo = 123;
 180     {
 181       int foo2;
 182       foo2 = 123;
 183       {
 184         int foo;
 185         foo = 321;
 186       }
 187       foo2 = 0;
 188     }
 189     foo = 0;
 190   }
 191
 192   cb = 21;
 193 }
 194
 195 void
 196 do_children_tests (void)
 197 {
 198   weird_struct *weird;
 199   struct _struct_n_pointer *psnp;
 200   struct _struct_n_pointer snp0, snp1, snp2;
 201   char a0, *a1, **a2, ***a3;
 202   char b0, *b1, **b2, ***b3;
 203   char c0, *c1, **c2, ***c3;
 204   long z0, *z1, **z2, ***z3;
 205   long y0, *y1, **y2, ***y3;
 206   long x0, *x1, **x2, ***x3;
 207   int *foo;
 208   int bar;
 209
 210   struct _struct_decl struct_declarations;
 211   weird = &struct_declarations;
 212
 213   struct_declarations.integer = 123;
 214   weird->char_ptr = "hello";
 215   bar = 2121;
 216   foo = &bar;
 217   struct_declarations.int_ptr_ptr = &foo;
 218   weird->long_array[0] = 1234;
 219   struct_declarations.long_array[1] = 2345;
 220   weird->long_array[2] = 3456;
 221   struct_declarations.long_array[3] = 4567;
 222   weird->long_array[4] = 5678;
 223   struct_declarations.long_array[5] = 6789;
 224   weird->long_array[6] = 7890;
 225   struct_declarations.long_array[7] = 8901;
 226   weird->long_array[8] = 9012;
 227   struct_declarations.long_array[9] = 1234;
 228
 229   weird->func_ptr = nothing;
 230
 231   /* Struct/pointer/array tests */
 232   a0 = '0';
 233   a1 = &a0;
 234   a2 = &a1;
 235   a3 = &a2;
 236   b0 = '1';
 237   b1 = &b0;
 238   b2 = &b1;
 239   b3 = &b2;
 240   c0 = '2';
 241   c1 = &c0;
 242   c2 = &c1;
 243   c3 = &c2;
 244   z0 = 0xdead + 0;
 245   z1 = &z0;
 246   z2 = &z1;
 247   z3 = &z2;
 248   y0 = 0xdead + 1;
 249   y1 = &y0;
 250   y2 = &y1;
 251   y3 = &y2;
 252   x0 = 0xdead + 2;
 253   x1 = &x0;
 254   x2 = &x1;
 255   x3 = &x2;
 256   snp0.char_ptr = &a3;
 257   snp0.long_ptr = &z3;
 258   snp0.ptrs[0] = &snp0;
 259   snp0.ptrs[1] = &snp1;
 260   snp0.ptrs[2] = &snp2;
 261   snp0.next = &snp1;
 262   snp1.char_ptr = &b3;
 263   snp1.long_ptr = &y3;
 264   snp1.ptrs[0] = &snp0;
 265   snp1.ptrs[1] = &snp1;
 266   snp1.ptrs[2] = &snp2;
 267   snp1.next = &snp2;
 268   snp2.char_ptr = &c3;
 269   snp2.long_ptr = &x3;
 270   snp2.ptrs[0] = &snp0;
 271   snp2.ptrs[1] = &snp1;
 272   snp2.ptrs[2] = &snp2;
 273   snp2.next = 0x0;
 274   psnp = &snp0;
 275   snp0.char_ptr = &b3;
 276   snp1.char_ptr = &c3;
 277   snp2.char_ptr = &a3;
 278   snp0.long_ptr = &y3;
 279   snp1.long_ptr = &x3;
 280   snp2.long_ptr = &z3;
 281 }
 282
 283 void
 284 do_special_tests (void)
 285 {
 286   union named_union u;
 287   union {
 288     int a;
 289     char b;
 290     long c;
 291   } anonu;
 292   struct _simple_struct s;
 293   struct {
 294     int a;
 295     char b;
 296     long c;
 297   } anons;
 298   enum foo e;
 299   enum { A, B, C } anone;
 300   int array[21];
 301   int a;
 302
 303   a = 1;
 304   u.integer = a;
 305   anonu.a = a;
 306   s.integer = a;
 307   anons.a = a;
 308   e = bar;
 309   anone = A;
 310   incr_a(2);
 311 }
 312
 313 int
 314 main (int argc, char *argv [])
 315 {
 316   do_locals_tests ();
 317   do_block_tests ();
 318   do_children_tests ();
 319   do_special_tests ();
 320   exit (0);
 321 }
 322
 323