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2009-06-12 Andrew Haley <aph@redhat.com>
[pf3gnuchains/gcc-fork.git] / libffi / testsuite / libffi.call / cls_uint.c
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
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
20 int main (void)
21 {
22   ffi_cif cif;
23   void *code;
24   ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
25   ffi_type * cl_arg_types[2];
26   unsigned int res;
27
28   cl_arg_types[0] = &ffi_type_uint;
29   cl_arg_types[1] = NULL;
30
31   /* Initialize the cif */
32   CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1,
33                      &ffi_type_uint, cl_arg_types) == FFI_OK);
34
35   CHECK(ffi_prep_closure_loc(pcl, &cif, cls_ret_uint_fn, NULL, code)  == FFI_OK);
36
37   res = (*((cls_ret_uint)code))(2147483647);
38   /* { dg-output "2147483647: 2147483647" } */
39   printf("res: %d\n",res);
40   /* { dg-output "\nres: 2147483647" } */
41
42   exit(0);
43 }