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 */
9
/* { dg-do run { xfail mips64*-*-* arm*-*-* strongarm*-*-* xscale*-*-* } } */
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, void* resp, void** args, void* userdata)
34
struct cls_struct_2byte a1, a2;
36
a1 = *(struct cls_struct_2byte*)(args[0]);
37
a2 = *(struct cls_struct_2byte*)(args[1]);
39
*(cls_struct_2byte*)resp = cls_struct_2byte_fn(a1, a2);
46
static ffi_closure cl;
50
ffi_type* cls_struct_fields[4];
51
ffi_type cls_struct_type;
52
ffi_type* dbl_arg_types[5];
55
pcl = allocate_mmap (sizeof(ffi_closure));
60
cls_struct_type.size = 0;
61
cls_struct_type.alignment = 0;
62
cls_struct_type.type = FFI_TYPE_STRUCT;
63
cls_struct_type.elements = cls_struct_fields;
65
struct cls_struct_2byte g_dbl = { 12, 127 };
66
struct cls_struct_2byte f_dbl = { 1, 13 };
67
struct cls_struct_2byte res_dbl;
69
cls_struct_fields[0] = &ffi_type_uchar;
70
cls_struct_fields[1] = &ffi_type_uchar;
71
cls_struct_fields[2] = NULL;
73
dbl_arg_types[0] = &cls_struct_type;
74
dbl_arg_types[1] = &cls_struct_type;
75
dbl_arg_types[2] = NULL;
77
CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
78
dbl_arg_types) == FFI_OK);
84
ffi_call(&cif, FFI_FN(cls_struct_2byte_fn), &res_dbl, args_dbl);
85
/* { dg-output "12 127 1 13: 13 140" } */
86
printf("res: %d %d\n", res_dbl.a, res_dbl.b);
87
/* { dg-output "\nres: 13 140" } */
89
CHECK(ffi_prep_closure(pcl, &cif, cls_struct_2byte_gn, NULL) == FFI_OK);
91
res_dbl = ((cls_struct_2byte(*)(cls_struct_2byte, cls_struct_2byte))(pcl))(g_dbl, f_dbl);
92
/* { dg-output "\n12 127 1 13: 13 140" } */
93
printf("res: %d %d\n", res_dbl.a, res_dbl.b);
94
/* { dg-output "\nres: 13 140" } */