gcc/testsuite/gcc.dg/stack-check-16.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-fstack-clash-protection" } */
   3 /* { dg-require-effective-target supports_stack_clash_protection } */
   4
   5 int printf (const char *, ...);
   6 void blah (char *space) { }
   7 void mtrace (void);
   8
   9 int do_test (void)
  10 {
  11     blah (__builtin_alloca (10));
  12     mtrace ();
  13     printf (
  14 #define A(a) "%" #a "$s"
  15 #define B(a) A(a)
  16 #define C(a,b,c,d) B(a##b##c##d)
  17 #define D(a,b,c) C(a,b,c,1) C(a,b,c,2) C(a,b,c,3) C(a,b,c,4) C(a,b,c,5) \
  18                  C(a,b,c,6) C(a,b,c,7) C(a,b,c,8) C(a,b,c,9)
  19 #define E(a,b,c) C(a,b,c,0) D(a,b,c)
  20 #define F(a,b) E(a,b,1) E(a,b,2) E(a,b,3) E(a,b,4) E(a,b,5) \
  21                E(a,b,6) E(a,b,7) E(a,b,8) E(a,b,9)
  22 #define G(a,b) E(a,b,0) F(a,b)
  23 #define H(a) G(a,1) G(a,2) G(a,3) G(a,4) G(a,5) G(a,6) G(a,7) G(a,8) G(a,9)
  24 #define I(a) G(a,0) H(a)
  25 #define J I(1) I(2) I(3) I(4) I(5) I(6) I(7) I(8) I(9)
  26             D(,,)
  27             F(,)
  28             H()
  29             J
  30             C(10,0,0,0) C(10,0,0,1),
  31 #undef A
  32 #define A(a) "a",
  33             I(0) J
  34             "\n");
  35   return 0;
  36 }