1 /* Area: closure_call
2 Purpose: Check return value uchar.
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_uchar_fn(ffi_cif * cif __UNUSED__,void * resp,void ** args,void * userdata __UNUSED__)10 static void cls_ret_uchar_fn(ffi_cif* cif __UNUSED__, void* resp, void** args,
11 void* userdata __UNUSED__)
12 {
13 *(ffi_arg*)resp = *(unsigned char *)args[0];
14 printf("%d: %d\n",*(unsigned char *)args[0],
15 (int)*(ffi_arg *)(resp));
16 }
17 typedef unsigned char (*cls_ret_uchar)(unsigned char);
18
main(void)19 int main (void)
20 {
21 ffi_cif cif;
22 void *code;
23 ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
24 ffi_type * cl_arg_types[2];
25 unsigned char res;
26
27 cl_arg_types[0] = &ffi_type_uchar;
28 cl_arg_types[1] = NULL;
29
30 /* Initialize the cif */
31 CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1,
32 &ffi_type_uchar, cl_arg_types) == FFI_OK);
33
34 CHECK(ffi_prep_closure_loc(pcl, &cif, cls_ret_uchar_fn, NULL, code) == FFI_OK);
35
36 res = (*((cls_ret_uchar)code))(127);
37 /* { dg-output "127: 127" } */
38 printf("res: %d\n",res);
39 /* { dg-output "\nres: 127" } */
40
41 exit(0);
42 }
43