gcc/testsuite/g++.dg/Wframe-address.C

   1 // { dg-do compile }
   2 // { dg-options "-Wframe-address" }
   3
   4 static void* const fa[] = {
   5   __builtin_frame_address (0),
   6   __builtin_frame_address (1), // { dg-warning "builtin_frame_address" }
   7   __builtin_frame_address (2), // { dg-warning "builtin_frame_address" }
   8   __builtin_frame_address (3), // { dg-warning "builtin_frame_address" }
   9   __builtin_frame_address (4)  // { dg-warning "builtin_frame_address" }
  10 };
  11
  12
  13 static void* const ra[] = {
  14   __builtin_return_address (0),
  15   __builtin_return_address (1), // { dg-warning "builtin_return_address" }
  16   __builtin_return_address (2), // { dg-warning "builtin_return_address" }
  17   __builtin_return_address (3), // { dg-warning "builtin_return_address" }
  18   __builtin_return_address (4)  // { dg-warning "builtin_return_address" }
  19 };
  20
  21
  22 void* __attribute__ ((noclone, noinline))
  23 test_builtin_frame_address (unsigned i)
  24 {
  25   void* const fa[] = {
  26     __builtin_frame_address (0),
  27     __builtin_frame_address (1), // { dg-warning "builtin_frame_address" }
  28     __builtin_frame_address (2), // { dg-warning "builtin_frame_address" }
  29     __builtin_frame_address (3), // { dg-warning "builtin_frame_address" }
  30     __builtin_frame_address (4)  // { dg-warning "builtin_frame_address" }
  31   };
  32
  33   return fa [i];
  34 }
  35
  36
  37 void* __attribute__ ((noclone, noinline))
  38 test_builtin_return_address (unsigned i)
  39 {
  40   void* const ra[] = {
  41     __builtin_return_address (0),
  42     __builtin_return_address (1), // { dg-warning "builtin_return_address" }
  43     __builtin_return_address (2), // { dg-warning "builtin_return_address" }
  44     __builtin_return_address (3), // { dg-warning "builtin_return_address" }
  45     __builtin_return_address (4)  // { dg-warning "builtin_return_address" }
  46   };
  47   return ra [i];
  48 }
  49
  50
  51 int main ()
  52 {
  53   test_builtin_frame_address (0);
  54
  55   test_builtin_return_address (0);
  56
  57   void* const a[] = {
  58     __builtin_frame_address (0),
  59     __builtin_frame_address (1), // { dg-warning "builtin_frame_address" }
  60     __builtin_frame_address (2), // { dg-warning "builtin_frame_address" }
  61     __builtin_frame_address (3), // { dg-warning "builtin_frame_address" }
  62     __builtin_frame_address (4), // { dg-warning "builtin_frame_address" }
  63
  64     __builtin_return_address (0),
  65     __builtin_return_address (1), // { dg-warning "builtin_return_address" }
  66     __builtin_return_address (2), // { dg-warning "builtin_return_address" }
  67     __builtin_return_address (3), // { dg-warning "builtin_return_address" }
  68     __builtin_return_address (4)  // { dg-warning "builtin_return_address" }
  69   };
  70 }