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("%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 #ifndef USING_MMAP
  24   static ffi_closure cl;
  25 #endif
  26   ffi_closure *pcl;
  27   ffi_type * cl_arg_types[2];
  28   unsigned long long res;
  29
  30 #ifdef USING_MMAP
  31   pcl = allocate_mmap (sizeof(ffi_closure));
  32 #else
  33   pcl = &cl;
  34 #endif
  35
  36   cl_arg_types[0] = &ffi_type_uint64;
  37   cl_arg_types[1] = NULL;
  38
  39   /* Initialize the cif */
  40   CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1,
  41                      &ffi_type_uint64, cl_arg_types) == FFI_OK);
  42   CHECK(ffi_prep_closure(pcl, &cif, cls_ret_ulonglong_fn, NULL)  == FFI_OK);
  43   res = (*((cls_ret_ulonglong)pcl))(214LL);
  44   /* { dg-output "214: 214" } */
  45   printf("res: %lld\n", res);
  46   /* { dg-output "\nres: 214" } */
  47
  48   res = (*((cls_ret_ulonglong)pcl))(9223372035854775808LL);
  49   /* { dg-output "\n9223372035854775808: 9223372035854775808" } */
  50   printf("res: %lld\n", res);
  51   /* { dg-output "\nres: 9223372035854775808" } */
  52
  53   exit(0);
  54 }