1 /* Area: closure_call
2 Purpose: Check return value float.
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_float_fn(ffi_cif * cif __UNUSED__,void * resp,void ** args,void * userdata __UNUSED__)10 static void cls_ret_float_fn(ffi_cif* cif __UNUSED__, void* resp, void** args,
11 void* userdata __UNUSED__)
12 {
13 *(float *)resp = *(float *)args[0];
14
15 printf("%g: %g\n",*(float *)args[0],
16 *(float *)resp);
17 }
18
19 typedef float (*cls_ret_float)(float);
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 float res;
30
31 #ifdef USING_MMAP
32 pcl = allocate_mmap (sizeof(ffi_closure));
33 #else
34 pcl = &cl;
35 #endif
36
37
38 cl_arg_types[0] = &ffi_type_float;
39 cl_arg_types[1] = NULL;
40
41 /* Initialize the cif */
42 CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1,
43 &ffi_type_float, cl_arg_types) == FFI_OK);
44
45 CHECK(ffi_prep_closure(pcl, &cif, cls_ret_float_fn, NULL) == FFI_OK);
46 res = ((((cls_ret_float)pcl)(-2122.12)));
47 /* { dg-output "\\-2122.12: \\-2122.12" } */
48 printf("res: %.6f\n", res);
49 /* { dg-output "\nres: \-2122.120117" } */
50 exit(0);
51 }
52