elf/tst-addr1.c

   1 #include <dlfcn.h>
   2 #include <stdio.h>
   3 #include <string.h>
   4
   5 static int
   6 do_test (void)
   7 {
   8   Dl_info i;
   9   if (dladdr (&printf, &i) == 0)
  10     {
  11       puts ("not found");
  12       return 1;
  13     }
  14   printf ("found symbol %s in %s\n", i.dli_sname, i.dli_fname);
  15   return i.dli_sname == NULL
  16          || (strcmp (i.dli_sname, "printf") != 0
  17              /* On architectures which create PIC code by default
  18                 &printf may resolve to an address in libc.so
  19                 rather than in the binary.  printf and _IO_printf
  20                 are aliased and which one comes first in the
  21                 hash table is up to the linker.  */
  22              && strcmp (i.dli_sname, "_IO_printf") != 0);
  23 }
  24
  25 #define TEST_FUNCTION do_test ()
  26 #include "../test-skeleton.c"