gcc/testsuite/gcc.dg/pr45506.c

   1 /* { dg-do compile } */
   2 /* { dg-require-effective-target ilp32 } */
   3 /* { dg-options "-g -O -w" } */
   4
   5 typedef unsigned _GCC_ATTR_ALIGN_u32t;
   6 typedef _GCC_ATTR_ALIGN_u32t _Uint32t __attribute__((__aligned__(4)));
   7 typedef int _Intptrt __attribute__((__mode__(__pointer__)));
   8 typedef unsigned int _Uintptrt __attribute__((__mode__(__pointer__)));
   9 typedef _Intptrt ptrdiff_t;
  10 typedef _Uintptrt uintptr_t;
  11 typedef _Uint32t Elf32_Word;
  12 typedef struct list_head list_head_t;
  13
  14 struct list_head {
  15   list_head_t *next;
  16 };
  17
  18 struct object { };
  19
  20 struct objlist {
  21   struct object *object;
  22 };
  23
  24 static uintptr_t ldd(void *frame) __attribute__((__used__));
  25 static list_head_t *_dl_all_objects_ptr;
  26 int dynvec(struct object *, int);
  27 int relative_relocp(struct object *);
  28 static void fini_array(struct object *const obj) {
  29   if ((dynvec(obj,(unsigned)26)) != ((Elf32_Word)-1)) {
  30     unsigned i;
  31     const unsigned funcs = (dynvec(obj,(unsigned)28)) / 4;
  32     const Elf32_Word fa = (dynvec(obj,(unsigned)26));
  33     const int *const p = (int *) relative_relocp(obj);
  34     for (i = (funcs ? (funcs - 1) : 0U); i != 0U; i--) {
  35       void (*const func)(void) = (void *) p[i];
  36       (*func)();
  37     }
  38   }
  39 }
  40 static void _do_exit_fini(void) {
  41   const struct objlist *o;
  42   for (((o)) = ((void *)(((list_head_t *)(_dl_all_objects_ptr))->next));
  43        !((((o))) == ((void *)((list_head_t *)(_dl_all_objects_ptr))));
  44        ((o)) = ((void *)(((list_head_t *)((o)))->next)))
  45     fini_array (o->object);
  46 }
  47 void atexit(void (*)(void));
  48 static uintptr_t ldd (void *frame) {
  49   atexit(_do_exit_fini);
  50 }