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 /* { dg-options "-Wno-format" { target alpha*-dec-osf* } } */
   9 #include "ffitest.h"
  10
  11 static void cls_ret_ulonglong_fn(ffi_cif* cif __UNUSED__, void* resp,
  12                                  void** args, void* userdata __UNUSED__)
  13 {
  14   *(unsigned long long *)resp= 0xfffffffffffffffLL ^ *(unsigned long long *)args[0];
  15
  16   printf("%" PRIuLL ": %" PRIuLL "\n",*(unsigned long long *)args[0],
  17          *(unsigned long long *)(resp));
  18 }
  19 typedef unsigned long long (*cls_ret_ulonglong)(unsigned long long);
  20
  21 int main (void)
  22 {
  23   ffi_cif cif;
  24   void *code;
  25   ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
  26   ffi_type * cl_arg_types[2];
  27   unsigned long long res;
  28
  29   cl_arg_types[0] = &ffi_type_uint64;
  30   cl_arg_types[1] = NULL;
  31
  32   /* Initialize the cif */
  33   CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1,
  34                      &ffi_type_uint64, cl_arg_types) == FFI_OK);
  35   CHECK(ffi_prep_closure_loc(pcl, &cif, cls_ret_ulonglong_fn, NULL, code)  == FFI_OK);
  36   res = (*((cls_ret_ulonglong)code))(214LL);
  37   /* { dg-output "214: 1152921504606846761" } */
  38   printf("res: %" PRIdLL "\n", res);
  39   /* { dg-output "\nres: 1152921504606846761" } */
  40
  41   res = (*((cls_ret_ulonglong)code))(9223372035854775808LL);
  42   /* { dg-output "\n9223372035854775808: 8070450533247928831" } */
  43   printf("res: %" PRIdLL "\n", res);
  44   /* { dg-output "\nres: 8070450533247928831" } */
  45
  46   exit(0);
  47 }