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. Check overlapping.
7 Originator: <andreast@gcc.gnu.org> 20030828 */
9 /* { dg-do run { xfail mips*-*-* arm*-*-* strongarm*-*-* xscale*-*-* } } */
12 typedef struct cls_struct_3byte {
17 cls_struct_3byte cls_struct_3byte_fn(struct cls_struct_3byte a1,
18 struct cls_struct_3byte a2)
20 struct cls_struct_3byte 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_3byte_gn(ffi_cif* cif, void* resp, void** args, void* userdata)
34 struct cls_struct_3byte a1, a2;
36 a1 = *(struct cls_struct_3byte*)(args[0]);
37 a2 = *(struct cls_struct_3byte*)(args[1]);
39 *(cls_struct_3byte*)resp = cls_struct_3byte_fn(a1, a2);
45 static ffi_closure cl;
46 ffi_closure *pcl = &cl;
48 ffi_type* cls_struct_fields[4];
49 ffi_type cls_struct_type;
50 ffi_type* dbl_arg_types[5];
52 cls_struct_type.size = 0;
53 cls_struct_type.alignment = 0;
54 cls_struct_type.type = FFI_TYPE_STRUCT;
55 cls_struct_type.elements = cls_struct_fields;
57 struct cls_struct_3byte g_dbl = { 12, 119 };
58 struct cls_struct_3byte f_dbl = { 1, 15 };
59 struct cls_struct_3byte res_dbl;
61 cls_struct_fields[0] = &ffi_type_ushort;
62 cls_struct_fields[1] = &ffi_type_uchar;
63 cls_struct_fields[2] = 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_3byte_fn), &res_dbl, args_dbl);
77 /* { dg-output "12 119 1 15: 13 134" } */
78 printf("res: %d %d\n", res_dbl.a, res_dbl.b);
79 /* { dg-output "\nres: 13 134" } */
81 CHECK(ffi_prep_closure(pcl, &cif, cls_struct_3byte_gn, NULL) == FFI_OK);
83 res_dbl = ((cls_struct_3byte(*)(cls_struct_3byte, cls_struct_3byte))(pcl))(g_dbl, f_dbl);
84 /* { dg-output "\n12 119 1 15: 13 134" } */
85 printf("res: %d %d\n", res_dbl.a, res_dbl.b);
86 /* { dg-output "\nres: 13 134" } */