kit

kit
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builtin_29_return_address.c (320B)

      1 /* __builtin_return_address(0): the current function's return address, read
      2  * from the spilled frame record. A real frame's return address is never null.
      3  */
      4 __attribute__((noinline)) static void* ra0(void) {
      5   return __builtin_return_address(0);
      6 }
      7 
      8 int test_main(void) {
      9   void* r = ra0();
     10   return r != 0 ? 42 : 1;
     11 }