gcc/testsuite/gcc.dg/initpri2.c

   1 /* { dg-do compile { target init_priority } } */
   2
   3 /* Priorities must be in the range [0, 65535].  */
   4 void c1()
   5      __attribute__((constructor (-1))); /* { dg-error "priorities" } */
   6 void c2()
   7      __attribute__((constructor (65536))); /* { dg-error "priorities" } */
   8 void d1()
   9      __attribute__((destructor (-1))); /* { dg-error "priorities" } */
  10 void d2()
  11      __attribute__((destructor (65536))); /* { dg-error "priorities" } */
  12
  13 /* Priorities 0-100 are reserved for system libraries.  */
  14 void c3()
  15      __attribute__((constructor (50))); /* { dg-warning "reserved" } */
  16 void d3()
  17      __attribute__((constructor (50))); /* { dg-warning "reserved" } */
  18
  19 /* Priorities must be integral constants.  */
  20
  21 /* Pointers, even with constant values, are not allowed.  */
  22 void c4()
  23      __attribute__((constructor ((void*) 500))); /* { dg-error "priorities" } */
  24 void d4()
  25      __attribute__((destructor ((void*) 500))); /* { dg-error "priorities" } */
  26
  27 /* Integer variables are not allowed.  */
  28 int i;
  29 void c5()
  30      __attribute__((constructor ((i)))); /* { dg-error "priorities" } */
  31 void d5()
  32      __attribute__((destructor ((i)))); /* { dg-error "priorities" } */
  33
  34 /* Enumeration constants are allowed.  */
  35 enum E { e = 500 };
  36 void c6()
  37      __attribute__((constructor ((e))));
  38 void d6()
  39      __attribute__((destructor ((e))));