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
cls_ret_schar_fn(ffi_cif * cif __UNUSED__,void * resp,void ** args,void * userdata __UNUSED__)12 static 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 }
19 typedef signed char (*cls_ret_schar)(signed char);
20
main(void)21 int 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