1 /* Area: ffi_call, closure_call
2 Purpose: Check structure passing with different structure size.
5 Originator: <andreast@gcc.gnu.org> 20030828 */
10 typedef struct my_ffi_struct {
16 my_ffi_struct callee(struct my_ffi_struct a1, struct my_ffi_struct a2)
18 struct my_ffi_struct result;
19 result.a = a1.a + a2.a;
20 result.b = a1.b + a2.b;
21 result.c = a1.c + a2.c;
24 printf("%g %g %g %g %g %g: %g %g %g\n", a1.a, a1.b, a1.c,
25 a2.a, a2.b, a2.c, result.a, result.b, result.c);
30 void stub(ffi_cif* cif, void* resp, void** args, void* userdata)
32 struct my_ffi_struct a1;
33 struct my_ffi_struct a2;
35 a1 = *(struct my_ffi_struct*)(args[0]);
36 a2 = *(struct my_ffi_struct*)(args[1]);
38 *(my_ffi_struct *)resp = callee(a1, a2);
44 ffi_type* my_ffi_struct_fields[4];
45 ffi_type my_ffi_struct_type;
47 static ffi_closure cl;
48 ffi_closure *pcl = &cl;
50 ffi_type* arg_types[3];
52 struct my_ffi_struct g = { 1.0, 2.0, 3.0 };
53 struct my_ffi_struct f = { 1.0, 2.0, 3.0 };
54 struct my_ffi_struct res;
56 my_ffi_struct_type.size = 0;
57 my_ffi_struct_type.alignment = 0;
58 my_ffi_struct_type.type = FFI_TYPE_STRUCT;
59 my_ffi_struct_type.elements = my_ffi_struct_fields;
61 my_ffi_struct_fields[0] = &ffi_type_double;
62 my_ffi_struct_fields[1] = &ffi_type_double;
63 my_ffi_struct_fields[2] = &ffi_type_double;
64 my_ffi_struct_fields[3] = NULL;
66 arg_types[0] = &my_ffi_struct_type;
67 arg_types[1] = &my_ffi_struct_type;
70 CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &my_ffi_struct_type,
71 arg_types) == FFI_OK);
76 ffi_call(&cif, FFI_FN(callee), &res, args);
77 /* { dg-output "1 2 3 1 2 3: 2 4 6" } */
83 CHECK(ffi_prep_closure(pcl, &cif, stub, NULL) == FFI_OK);
85 res = ((my_ffi_struct(*)(struct my_ffi_struct, struct my_ffi_struct))(pcl))(g, f);
86 /* { dg-output "\n1 2 3 1 2 3: 2 4 6" } */