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,void* resp,void** args,
  11                              void* userdata)
  12  {
  13    *(unsigned long long *)resp=  *(unsigned long long *)args[0];
  14
  15    printf("%llu: %llu\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   static ffi_closure cl;
  24   ffi_closure *pcl = &cl;
  25   ffi_type * cl_arg_types[2];
  26
  27   cl_arg_types[0] = &ffi_type_uint64;
  28   cl_arg_types[1] = NULL;
  29
  30   /* Initialize the cif */
  31   CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1,
  32                      &ffi_type_uint64, cl_arg_types) == FFI_OK);
  33   CHECK(ffi_prep_closure(pcl, &cif, cls_ret_ulonglong_fn, NULL)  == FFI_OK);
  34   (*((cls_ret_ulonglong)pcl))(214LL);
  35   /* { dg-output "214: 214" } */
  36   (*((cls_ret_ulonglong)pcl))(9223372035854775808LL);
  37   /* { dg-output "\n9223372035854775808: 9223372035854775808" } */
  38
  39   exit(0);
  40 }