1 /* Area: ffi_call, closure_call
2 Purpose: Check structure passing with different structure size.
3 Especially with small structures which may fit in one
4 register. Depending on the ABI.
7 Originator: <andreast@gcc.gnu.org> 20030902 */
14 typedef struct cls_struct_1_1byte
{
18 cls_struct_1_1byte
cls_struct_1_1byte_fn(struct cls_struct_1_1byte a1
,
19 struct cls_struct_1_1byte a2
)
21 struct cls_struct_1_1byte result
;
23 result
.a
= a1
.a
+ a2
.a
;
25 printf("%d %d: %d\n", a1
.a
, a2
.a
, result
.a
);
31 cls_struct_1_1byte_gn(ffi_cif
* cif __UNUSED__
, void* resp
, void** args
,
32 void* userdata __UNUSED__
)
35 struct cls_struct_1_1byte a1
, a2
;
37 a1
= *(struct cls_struct_1_1byte
*)(args
[0]);
38 a2
= *(struct cls_struct_1_1byte
*)(args
[1]);
40 *(cls_struct_1_1byte
*)resp
= cls_struct_1_1byte_fn(a1
, a2
);
47 ffi_closure
*pcl
= ffi_closure_alloc(sizeof(ffi_closure
), &code
);
49 ffi_type
* cls_struct_fields
[2];
50 ffi_type cls_struct_type
;
51 ffi_type
* dbl_arg_types
[5];
53 struct cls_struct_1_1byte g_dbl
= { 12 };
54 struct cls_struct_1_1byte f_dbl
= { 178 };
55 struct cls_struct_1_1byte res_dbl
;
57 cls_struct_type
.size
= 0;
58 cls_struct_type
.alignment
= 0;
59 cls_struct_type
.type
= FFI_TYPE_STRUCT
;
60 cls_struct_type
.elements
= cls_struct_fields
;
62 cls_struct_fields
[0] = &ffi_type_uchar
;
63 cls_struct_fields
[1] = NULL
;
65 dbl_arg_types
[0] = &cls_struct_type
;
66 dbl_arg_types
[1] = &cls_struct_type
;
67 dbl_arg_types
[2] = NULL
;
69 CHECK(ffi_prep_cif(&cif
, FFI_DEFAULT_ABI
, 2, &cls_struct_type
,
70 dbl_arg_types
) == FFI_OK
);
76 ffi_call(&cif
, FFI_FN(cls_struct_1_1byte_fn
), &res_dbl
, args_dbl
);
77 /* { dg-output "12 178: 190" } */
78 printf("res: %d\n", res_dbl
.a
);
79 /* { dg-output "\nres: 190" } */
81 CHECK(ffi_prep_closure_loc(pcl
, &cif
, cls_struct_1_1byte_gn
, NULL
, code
) == FFI_OK
);
83 res_dbl
= ((cls_struct_1_1byte(*)(cls_struct_1_1byte
, cls_struct_1_1byte
))(code
))(g_dbl
, f_dbl
);
84 /* { dg-output "\n12 178: 190" } */
85 printf("res: %d\n", res_dbl
.a
);
86 /* { dg-output "\nres: 190" } */