1/* Area:	closure_call
2   Purpose:	Check return value schar.
3   Limitations:	none.
4   PR:		none.
5   Originator:	<andreast@gcc.gnu.org> 20031108	 */
6
7
8
9/* { dg-do run } */
10#include "ffitest.h"
11
12static void cls_ret_schar_fn(ffi_cif* cif __UNUSED__, void* resp, void** args,
13			     void* userdata __UNUSED__)
14{
15  *(ffi_arg*)resp = *(signed char *)args[0];
16  printf("%d: %d\n",*(signed char *)args[0],
17	 (int)*(ffi_arg *)(resp));
18}
19typedef signed char (*cls_ret_schar)(signed char);
20
21int main (void)
22{
23  ffi_cif cif;
24#ifndef USING_MMAP
25  static ffi_closure cl;
26#endif
27  ffi_closure *pcl;
28  ffi_type * cl_arg_types[2];
29  signed char res;
30
31#ifdef USING_MMAP
32  pcl = allocate_mmap (sizeof(ffi_closure));
33#else
34  pcl = &cl;
35#endif
36
37  cl_arg_types[0] = &ffi_type_schar;
38  cl_arg_types[1] = NULL;
39
40  /* Initialize the cif */
41  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1,
42		     &ffi_type_schar, cl_arg_types) == FFI_OK);
43
44  CHECK(ffi_prep_closure(pcl, &cif, cls_ret_schar_fn, NULL)  == FFI_OK);
45
46  res = (*((cls_ret_schar)pcl))(127);
47  /* { dg-output "127: 127" } */
48  printf("res: %d\n", res);
49  /* { dg-output "\nres: 127" } */
50
51  exit(0);
52}
53