gcc/testsuite/c-c++-common/attr-nocf-check-1.c

   1 /* { dg-do compile } */
   2 /* { dg-additional-options "-fcf-protection=none" } */
   3
   4 int func (int) __attribute__ ((nocf_check)); /* { dg-warning "'nocf_check' attribute ignored" } */
   5 int (*fptr) (int) __attribute__ ((nocf_check)); /* { dg-warning "'nocf_check' attribute ignored" } */
   6 typedef void (*nocf_check_t) (void) __attribute__ ((nocf_check)); /* { dg-warning "'nocf_check' attribute ignored" } */
   7
   8 int
   9 foo1 (int arg)
  10 {
  11   return func (arg) + fptr (arg);
  12 }
  13
  14 void
  15 foo2 (void (*foo) (void))
  16 {
  17   void (*func) (void) __attribute__((nocf_check)) = foo; /* { dg-warning "'nocf_check' attribute ignored" } */
  18   func ();
  19 }
  20
  21 void
  22 foo3 (nocf_check_t foo)
  23 {
  24   foo ();
  25 }
  26
  27 void
  28 foo4 (void (*foo) (void) __attribute__((nocf_check))) /* { dg-warning "'nocf_check' attribute ignored" } */
  29 {
  30   foo ();
  31 }