Home | History | Annotate | Download | only in libffi.call
      1 /* Area:	closure_call
      2    Purpose:	Check return value long long.
      3    Limitations:	none.
      4    PR:		none.
      5    Originator:	<andreast (at) 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 }
     55