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[pf3gnuchains/gcc-fork.git] / libffi / testsuite / libffi.call / cls_sshort.c
1 /* Area:        closure_call
2    Purpose:     Check return value sshort.
3    Limitations: none.
4    PR:          none.
5    Originator:  <andreast@gcc.gnu.org> 20031108  */
6
7 /* { dg-do run { xfail mips64*-*-* arm*-*-* strongarm*-*-* xscale*-*-* } } */
8 #include "ffitest.h"
9
10 static void cls_ret_sshort_fn(ffi_cif* cif __UNUSED__, void* resp, void** args,
11                               void* userdata __UNUSED__)
12 {
13   *(ffi_arg*)resp = *(signed short *)args[0];
14   printf("%d: %d\n",*(signed short *)args[0],
15          (int)*(ffi_arg *)(resp));
16 }
17 typedef signed short (*cls_ret_sshort)(signed short);
18
19 int main (void)
20 {
21   ffi_cif cif;
22 #ifndef USING_MMAP
23   static ffi_closure cl;
24 #endif
25   ffi_closure *pcl;
26   ffi_type * cl_arg_types[2];
27   signed short res;
28
29 #ifdef USING_MMAP
30   pcl = allocate_mmap (sizeof(ffi_closure));
31 #else
32   pcl = &cl;
33 #endif
34
35   cl_arg_types[0] = &ffi_type_sint16;
36   cl_arg_types[1] = NULL;
37
38   /* Initialize the cif */
39   CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1,
40                      &ffi_type_sint16, cl_arg_types) == FFI_OK);
41
42   CHECK(ffi_prep_closure(pcl, &cif, cls_ret_sshort_fn, NULL)  == FFI_OK);
43
44   res = (*((cls_ret_sshort)pcl))(255);
45   /* { dg-output "255: 255" } */
46   printf("res: %d\n",res);
47   /* { dg-output "\nres: 255" } */
48
49   exit(0);
50 }