1 /* Area: closure_call
2 Purpose: Check return value uint.
3 Limitations: none.
4 PR: none.
5 Originator: <andreast@gcc.gnu.org> 20030828 */
6
7 /* { dg-do run } */
8 #include "ffitest.h"
9
cls_ret_uint_fn(ffi_cif * cif __UNUSED__,void * resp,void ** args,void * userdata __UNUSED__)10 static void cls_ret_uint_fn(ffi_cif* cif __UNUSED__, void* resp, void** args,
11 void* userdata __UNUSED__)
12 {
13 *(ffi_arg *)resp = *(unsigned int *)args[0];
14
15 printf("%d: %d\n",*(unsigned int *)args[0],
16 (int)*(ffi_arg *)(resp));
17 }
18 typedef unsigned int (*cls_ret_uint)(unsigned int);
19
main(void)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 int 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_uint;
37 cl_arg_types[1] = NULL;
38
39 /* Initialize the cif */
40 CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1,
41 &ffi_type_uint, cl_arg_types) == FFI_OK);
42
43 CHECK(ffi_prep_closure(pcl, &cif, cls_ret_uint_fn, NULL) == FFI_OK);
44
45 res = (*((cls_ret_uint)pcl))(2147483647);
46 /* { dg-output "2147483647: 2147483647" } */
47 printf("res: %d\n",res);
48 /* { dg-output "\nres: 2147483647" } */
49
50 exit(0);
51 }
52