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> 20030828 */
12 typedef struct cls_struct_2byte {
17 cls_struct_2byte cls_struct_2byte_fn(struct cls_struct_2byte a1,
18 struct cls_struct_2byte a2)
20 struct cls_struct_2byte result;
22 result.a = a1.a + a2.a;
23 result.b = a1.b + a2.b;
25 printf("%d %d %d %d: %d %d\n", a1.a, a1.b, a2.a, a2.b, result.a, result.b);
31 cls_struct_2byte_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
32 void* userdata __UNUSED__)
35 struct cls_struct_2byte a1, a2;
37 a1 = *(struct cls_struct_2byte*)(args[0]);
38 a2 = *(struct cls_struct_2byte*)(args[1]);
40 *(cls_struct_2byte*)resp = cls_struct_2byte_fn(a1, a2);
47 ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
49 ffi_type* cls_struct_fields[4];
50 ffi_type cls_struct_type;
51 ffi_type* dbl_arg_types[5];
53 cls_struct_type.size = 0;
54 cls_struct_type.alignment = 0;
55 cls_struct_type.type = FFI_TYPE_STRUCT;
56 cls_struct_type.elements = cls_struct_fields;
58 struct cls_struct_2byte g_dbl = { 12, 127 };
59 struct cls_struct_2byte f_dbl = { 1, 13 };
60 struct cls_struct_2byte res_dbl;
62 cls_struct_fields[0] = &ffi_type_uchar;
63 cls_struct_fields[1] = &ffi_type_uchar;
64 cls_struct_fields[2] = NULL;
66 dbl_arg_types[0] = &cls_struct_type;
67 dbl_arg_types[1] = &cls_struct_type;
68 dbl_arg_types[2] = NULL;
70 CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
71 dbl_arg_types) == FFI_OK);
77 ffi_call(&cif, FFI_FN(cls_struct_2byte_fn), &res_dbl, args_dbl);
78 /* { dg-output "12 127 1 13: 13 140" } */
79 printf("res: %d %d\n", res_dbl.a, res_dbl.b);
80 /* { dg-output "\nres: 13 140" } */
82 CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_2byte_gn, NULL, code) == FFI_OK);
84 res_dbl = ((cls_struct_2byte(*)(cls_struct_2byte, cls_struct_2byte))(code))(g_dbl, f_dbl);
85 /* { dg-output "\n12 127 1 13: 13 140" } */
86 printf("res: %d %d\n", res_dbl.a, res_dbl.b);
87 /* { dg-output "\nres: 13 140" } */