gcc/testsuite/c-c++-common/builtin-has-attribute-5.c

   1 /* Verify __builtin_has_attribute return value for attributes constructor
   2    and destructor with explicit priorities.
   3    { dg-do compile { target init_priority } }
   4    { dg-options "-Wall -ftrack-macro-expansion=0" }
   5    { dg-options "-Wall -Wno-narrowing -Wno-unused -ftrack-macro-expansion=0" { target c++ } }  */
   6
   7 #define ATTR(...) __attribute__ ((__VA_ARGS__))
   8
   9 #define A(expect, sym, attr)                                            \
  10   typedef int Assert [1 - 2 * !(__builtin_has_attribute (sym, attr) == expect)]
  11
  12 void fnone (void);
  13
  14 void test_ctor_dtor_prio (void)
  15 {
  16   extern ATTR (constructor) void fctor (void);
  17   extern ATTR (destructor) void fdtor (void);
  18   extern ATTR (constructor, destructor) void fctor_dtor (void);
  19
  20   A (0, fnone, constructor);
  21   A (0, fnone, constructor (123));
  22   A (0, fnone, destructor);
  23   A (0, fnone, constructor (234));
  24
  25   A (1, fctor, constructor);
  26   A (0, fctor, constructor (123));
  27   A (1, fdtor, destructor);
  28   A (0, fdtor, destructor (234));
  29
  30   extern ATTR (constructor) void fctor_dtor (void);
  31   extern ATTR (destructor) void fctor_dtor (void);
  32   extern ATTR (constructor, destructor) void fctor_dtor (void);
  33
  34   A (1, fctor_dtor, constructor);
  35   A (1, fctor_dtor, destructor);
  36
  37   extern ATTR (constructor (123)) void fctor_123 (void);
  38   A (1, fctor_123, constructor);
  39   A (0, fctor_123, destructor);
  40   A (1, fctor_123, constructor (123));
  41   A (0, fctor_123, constructor (124));
  42
  43   extern ATTR (destructor (234)) void fctor_123 (void);
  44   A (1, fctor_123, constructor (123));
  45   A (1, fctor_123, destructor);
  46   A (1, fctor_123, destructor (234));
  47   A (0, fctor_123, destructor (235));
  48 }