libffi/testsuite/libffi.call/cls_ulonglong.c

   1 /* Area:        closure_call
   2    Purpose:     Check return value long long.
   3    Limitations: none.
   4    PR:          none.
   5    Originator:  <andreast@gcc.gnu.org> 20030828  */
   6
   7 /* { dg-do run } */
   8 #include "ffitest.h"
   9
  10 static void cls_ret_ulonglong_fn(ffi_cif* cif __UNUSED__, void* resp,
  11                                  void** args, void* userdata __UNUSED__)
  12 {
  13   *(unsigned long long *)resp=  *(unsigned long long *)args[0];
  14
  15   printf("%" PRIuLL ": %" PRIuLL "\n",*(unsigned long long *)args[0],
  16          *(unsigned long long *)(resp));
  17 }
  18 typedef unsigned long long (*cls_ret_ulonglong)(unsigned long long);
  19
  20 int main (void)
  21 {
  22   ffi_cif cif;
  23   void *code;
  24   ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
  25   ffi_type * cl_arg_types[2];
  26   unsigned long long res;
  27
  28   cl_arg_types[0] = &ffi_type_uint64;
  29   cl_arg_types[1] = NULL;
  30
  31   /* Initialize the cif */
  32   CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1,
  33                      &ffi_type_uint64, cl_arg_types) == FFI_OK);
  34   CHECK(ffi_prep_closure_loc(pcl, &cif, cls_ret_ulonglong_fn, NULL, code)  == FFI_OK);
  35   res = (*((cls_ret_ulonglong)code))(214LL);
  36   /* { dg-output "214: 214" } */
  37   printf("res: %" PRIdLL "\n", res);
  38   /* { dg-output "\nres: 214" } */
  39
  40   res = (*((cls_ret_ulonglong)code))(9223372035854775808LL);
  41   /* { dg-output "\n9223372035854775808: 9223372035854775808" } */
  42   printf("res: %" PRIdLL "\n", res);
  43   /* { dg-output "\nres: 9223372035854775808" } */
  44
  45   exit(0);
  46 }