elf/testobj1.c

   1 #include <dlfcn.h>
   2 #include <stdlib.h>
   3
   4 extern int foo (int);
   5
   6 int
   7 obj1func1 (int a __attribute__ ((unused)))
   8 {
   9   return 42;
  10 }
  11
  12 int
  13 obj1func2 (int a)
  14 {
  15   return foo (a) + 10;
  16 }
  17
  18 int
  19 preload (int a)
  20 {
  21   int (*fp) (int) = dlsym (RTLD_NEXT, "preload");
  22   if (fp != NULL)
  23     return fp (a) + 10;
  24   return 10;
  25 }