ld/testsuite/ld-elfvsb/main.c

   1 #ifdef PROTECTED_CHECK
   2 #include <features.h>
   3 #include <stdio.h>
   4
   5 int
   6 main (void)
   7 {
   8 #if defined (__GLIBC__) && (__GLIBC__ > 2 \
   9                             || (__GLIBC__ == 2 \
  10                                 &&  __GLIBC_MINOR__ >= 2))
  11   puts ("yes");
  12 #else
  13   puts ("no");
  14 #endif
  15   return 0;
  16 }
  17 #else
  18 /* This is the main program for the shared library test.  */
  19
  20 #include <stdio.h>
  21
  22 int mainvar = 1;
  23 int overriddenvar = 2;
  24 extern int shlibvar1;
  25
  26 extern int shlib_mainvar ();
  27 extern int shlib_overriddenvar ();
  28 extern int shlib_shlibvar1 ();
  29 extern int shlib_shlibvar2 ();
  30 extern int shlib_shlibcall ();
  31 extern int shlib_maincall ();
  32 extern int shlib_checkfunptr1 ();
  33 extern int shlib_checkfunptr2 ();
  34 extern int (*shlib_getfunptr1 ()) ();
  35 extern int (*shlib_getfunptr2 ()) ();
  36 extern int shlib_check ();
  37 extern int shlib_shlibcall2 ();
  38 extern int visibility_check ();
  39 extern int visibility_checkfunptr ();
  40 extern void *visibility_funptr ();
  41 extern int visibility_checkvar ();
  42 extern int visibility_checkvarptr ();
  43 extern int visibility_varval ();
  44 extern void *visibility_varptr ();
  45 extern int shlib_visibility_checkcom ();
  46 extern int shlib_visibility_checkweak ();
  47
  48 int shlib_visibility_com = 1;
  49
  50 int shlib_visibility_var_weak = 1;
  51
  52 int
  53 shlib_visibility_func_weak ()
  54 {
  55   return 1;
  56 }
  57
  58 #ifdef HIDDEN_WEAK_TEST
  59 #define WEAK_TEST
  60 #endif
  61
  62 #ifdef PROTECTED_WEAK_TEST
  63 #define WEAK_TEST
  64 #endif
  65
  66 #ifdef PROTECTED_UNDEF_TEST
  67 #define PROTECTED_TEST
  68 #endif
  69
  70 #ifndef WEAK_TEST
  71 extern int visibility ();
  72 extern int visibility_var;
  73 #endif
  74
  75 #if !defined (HIDDEN_TEST) && defined (PROTECTED_TEST)
  76 int
  77 visibility (void)
  78 {
  79   return 1;
  80 }
  81
  82 static int
  83 main_visibility_check (void)
  84 {
  85   return ((int (*) (void)) visibility_funptr ()) != visibility;
  86 }
  87
  88 int visibility_var = 1;
  89
  90 static int
  91 main_visibility_checkvar (void)
  92 {
  93   return visibility_varval () != visibility_var
  94          && visibility_varptr () != &visibility_var;
  95 }
  96
  97 #ifndef PROTECTED_UNDEF_TEST
  98 int shared_data = 1;
  99 asm (".protected shared_data");
 100
 101 int
 102 shared_func (void)
 103 {
 104   return 1;
 105 }
 106
 107 asm (".protected shared_func");
 108
 109 extern int * shared_data_p ();
 110 typedef int (*func) ();
 111 extern func shared_func_p ();
 112 #endif
 113 #else
 114 static int
 115 main_visibility_check (void)
 116 {
 117 #ifdef WEAK_TEST
 118   return visibility_funptr () == NULL;
 119 #else
 120   return ((int (*) (void)) visibility_funptr ()) == visibility;
 121 #endif
 122 }
 123
 124 static int
 125 main_visibility_checkvar (void)
 126 {
 127 #ifdef WEAK_TEST
 128   return visibility_varval () == 0
 129          && visibility_varptr () == NULL;
 130 #else
 131   return visibility_varval () == visibility_var
 132          && visibility_varptr () == &visibility_var;
 133 #endif
 134 }
 135 #endif
 136
 137 /* This function is called by the shared library.  */
 138
 139 int
 140 main_called (void)
 141 {
 142   return 6;
 143 }
 144
 145 /* This function overrides a function in the shared library.  */
 146
 147 int
 148 shlib_overriddencall2 (void)
 149 {
 150   return 8;
 151 }
 152
 153 #ifdef HIDDEN_NORMAL_TEST
 154 int visibility_com;
 155 asm (".hidden visibility_com");
 156
 157 int
 158 main_visibility_checkcom (void)
 159 {
 160   return visibility_com == 0;
 161 }
 162
 163 int
 164 main_visibility_checkweak (void)
 165 {
 166   return 1;
 167 }
 168 #elif defined (HIDDEN_WEAK_TEST)
 169 int
 170 main_visibility_checkcom (void)
 171 {
 172   return 1;
 173 }
 174
 175 #pragma weak visibility_undef_var_weak
 176 extern int visibility_undef_var_weak;
 177 asm (".hidden visibility_undef_var_weak");
 178
 179 #pragma weak visibility_undef_func_weak
 180 extern int visibility_undef_func_weak ();
 181 asm (".hidden visibility_undef_func_weak");
 182
 183 #pragma weak visibility_var_weak
 184 extern int visibility_var_weak;
 185 asm (".hidden visibility_var_weak");
 186
 187 #pragma weak visibility_func_weak
 188 extern int visibility_func_weak ();
 189 asm (".hidden visibility_func_weak");
 190
 191 int
 192 main_visibility_checkweak ()
 193 {
 194   return &visibility_undef_var_weak == NULL
 195          && &visibility_undef_func_weak == NULL
 196          && &visibility_func_weak == NULL
 197          && &visibility_var_weak == NULL;
 198 }
 199 #elif defined (HIDDEN_UNDEF_TEST)
 200 extern int visibility_def;
 201 asm (".hidden visibility_def");
 202 extern int visibility_func ();
 203 asm (".hidden visibility_func");
 204
 205 int
 206 main_visibility_checkcom (void)
 207 {
 208   return & visibility_def != NULL && visibility_def == 2;
 209 }
 210
 211 int
 212 main_visibility_checkweak (void)
 213 {
 214   return & visibility_func != NULL && visibility_func () == 2;
 215 }
 216 #else
 217 int
 218 main_visibility_checkcom (void)
 219 {
 220   return 1;
 221 }
 222
 223 int
 224 main_visibility_checkweak (void)
 225 {
 226   return 1;
 227 }
 228 #endif
 229
 230 int
 231 main (void)
 232 {
 233   int (*p) ();
 234   int ret = 0;
 235
 236   printf ("mainvar == %d\n", mainvar);
 237   printf ("overriddenvar == %d\n", overriddenvar);
 238   printf ("shlibvar1 == %d\n", shlibvar1);
 239 #ifndef XCOFF_TEST
 240   printf ("shlib_mainvar () == %d\n", shlib_mainvar ());
 241   printf ("shlib_overriddenvar () == %d\n", shlib_overriddenvar ());
 242 #endif
 243   printf ("shlib_shlibvar1 () == %d\n", shlib_shlibvar1 ());
 244   printf ("shlib_shlibvar2 () == %d\n", shlib_shlibvar2 ());
 245   printf ("shlib_shlibcall () == %d\n", shlib_shlibcall ());
 246 #ifndef XCOFF_TEST
 247   printf ("shlib_shlibcall2 () == %d\n", shlib_shlibcall2 ());
 248   printf ("shlib_maincall () == %d\n", shlib_maincall ());
 249 #endif
 250   printf ("main_called () == %d\n", main_called ());
 251   printf ("shlib_checkfunptr1 (shlib_shlibvar1) == %d\n",
 252           shlib_checkfunptr1 (shlib_shlibvar1));
 253 #ifndef XCOFF_TEST
 254   printf ("shlib_checkfunptr2 (main_called) == %d\n",
 255           shlib_checkfunptr2 (main_called));
 256 #endif
 257   p = shlib_getfunptr1 ();
 258   printf ("shlib_getfunptr1 () ");
 259   if (p == shlib_shlibvar1)
 260     printf ("==");
 261   else
 262     printf ("!=");
 263   printf (" shlib_shlibvar1\n");
 264 #ifndef XCOFF_TEST
 265   p = shlib_getfunptr2 ();
 266   printf ("shlib_getfunptr2 () ");
 267   if (p == main_called)
 268     printf ("==");
 269   else
 270     printf ("!=");
 271   printf (" main_called\n");
 272 #endif
 273   printf ("shlib_check () == %d\n", shlib_check ());
 274   printf ("visibility_check () == %d\n", visibility_check ());
 275   printf ("visibility_checkfunptr () == %d\n",
 276           visibility_checkfunptr ());
 277   printf ("main_visibility_check () == %d\n", main_visibility_check ());
 278   printf ("visibility_checkvar () == %d\n", visibility_checkvar ());
 279   printf ("visibility_checkvarptr () == %d\n",
 280           visibility_checkvarptr ());
 281   printf ("main_visibility_checkvar () == %d\n",
 282           main_visibility_checkvar ());
 283   printf ("main_visibility_checkcom () == %d\n",
 284           main_visibility_checkcom ());
 285   printf ("shlib_visibility_checkcom () == %d\n",
 286           shlib_visibility_checkcom ());
 287   printf ("main_visibility_checkweak () == %d\n",
 288           main_visibility_checkweak ());
 289   printf ("shlib_visibility_checkweak () == %d\n",
 290           shlib_visibility_checkweak ());
 291
 292 #if !defined (PROTECTED_UNDEF_TEST) && defined (PROTECTED_TEST)
 293   if (&shared_data != shared_data_p ())
 294     ret = 1;
 295   p = shared_func_p ();
 296   if (shared_func != p)
 297     ret = 1;
 298   if (shared_data != *shared_data_p ())
 299     ret = 1;
 300   if (shared_func () != (*p) () )
 301     ret = 1;
 302 #endif
 303
 304   return ret;
 305 }
 306 #endif