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" } */