1*1fd5a2e1SPrashanth Swaminathan /* Area: ffi_call, closure_call
2*1fd5a2e1SPrashanth Swaminathan Purpose: Check structure passing with different structure size.
3*1fd5a2e1SPrashanth Swaminathan Depending on the ABI. Check overlapping.
4*1fd5a2e1SPrashanth Swaminathan Limitations: none.
5*1fd5a2e1SPrashanth Swaminathan PR: none.
6*1fd5a2e1SPrashanth Swaminathan Originator: <[email protected]> 20030828 */
7*1fd5a2e1SPrashanth Swaminathan
8*1fd5a2e1SPrashanth Swaminathan /* { dg-do run } */
9*1fd5a2e1SPrashanth Swaminathan #include "ffitest.h"
10*1fd5a2e1SPrashanth Swaminathan
11*1fd5a2e1SPrashanth Swaminathan typedef struct cls_struct_20byte {
12*1fd5a2e1SPrashanth Swaminathan double a;
13*1fd5a2e1SPrashanth Swaminathan double b;
14*1fd5a2e1SPrashanth Swaminathan int c;
15*1fd5a2e1SPrashanth Swaminathan } cls_struct_20byte;
16*1fd5a2e1SPrashanth Swaminathan
cls_struct_20byte_fn(struct cls_struct_20byte a1,struct cls_struct_20byte a2)17*1fd5a2e1SPrashanth Swaminathan cls_struct_20byte cls_struct_20byte_fn(struct cls_struct_20byte a1,
18*1fd5a2e1SPrashanth Swaminathan struct cls_struct_20byte a2)
19*1fd5a2e1SPrashanth Swaminathan {
20*1fd5a2e1SPrashanth Swaminathan struct cls_struct_20byte result;
21*1fd5a2e1SPrashanth Swaminathan
22*1fd5a2e1SPrashanth Swaminathan result.a = a1.a + a2.a;
23*1fd5a2e1SPrashanth Swaminathan result.b = a1.b + a2.b;
24*1fd5a2e1SPrashanth Swaminathan result.c = a1.c + a2.c;
25*1fd5a2e1SPrashanth Swaminathan
26*1fd5a2e1SPrashanth Swaminathan printf("%g %g %d %g %g %d: %g %g %d\n", a1.a, a1.b, a1.c, a2.a, a2.b, a2.c,
27*1fd5a2e1SPrashanth Swaminathan result.a, result.b, result.c);
28*1fd5a2e1SPrashanth Swaminathan return result;
29*1fd5a2e1SPrashanth Swaminathan }
30*1fd5a2e1SPrashanth Swaminathan
31*1fd5a2e1SPrashanth Swaminathan static void
cls_struct_20byte_gn(ffi_cif * cif __UNUSED__,void * resp,void ** args,void * userdata __UNUSED__)32*1fd5a2e1SPrashanth Swaminathan cls_struct_20byte_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
33*1fd5a2e1SPrashanth Swaminathan void* userdata __UNUSED__)
34*1fd5a2e1SPrashanth Swaminathan {
35*1fd5a2e1SPrashanth Swaminathan struct cls_struct_20byte a1, a2;
36*1fd5a2e1SPrashanth Swaminathan
37*1fd5a2e1SPrashanth Swaminathan a1 = *(struct cls_struct_20byte*)(args[0]);
38*1fd5a2e1SPrashanth Swaminathan a2 = *(struct cls_struct_20byte*)(args[1]);
39*1fd5a2e1SPrashanth Swaminathan
40*1fd5a2e1SPrashanth Swaminathan *(cls_struct_20byte*)resp = cls_struct_20byte_fn(a1, a2);
41*1fd5a2e1SPrashanth Swaminathan }
42*1fd5a2e1SPrashanth Swaminathan
main(void)43*1fd5a2e1SPrashanth Swaminathan int main (void)
44*1fd5a2e1SPrashanth Swaminathan {
45*1fd5a2e1SPrashanth Swaminathan ffi_cif cif;
46*1fd5a2e1SPrashanth Swaminathan void *code;
47*1fd5a2e1SPrashanth Swaminathan ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
48*1fd5a2e1SPrashanth Swaminathan void* args_dbl[5];
49*1fd5a2e1SPrashanth Swaminathan ffi_type* cls_struct_fields[4];
50*1fd5a2e1SPrashanth Swaminathan ffi_type cls_struct_type;
51*1fd5a2e1SPrashanth Swaminathan ffi_type* dbl_arg_types[5];
52*1fd5a2e1SPrashanth Swaminathan
53*1fd5a2e1SPrashanth Swaminathan struct cls_struct_20byte g_dbl = { 1.0, 2.0, 3 };
54*1fd5a2e1SPrashanth Swaminathan struct cls_struct_20byte f_dbl = { 4.0, 5.0, 7 };
55*1fd5a2e1SPrashanth Swaminathan struct cls_struct_20byte res_dbl;
56*1fd5a2e1SPrashanth Swaminathan
57*1fd5a2e1SPrashanth Swaminathan cls_struct_type.size = 0;
58*1fd5a2e1SPrashanth Swaminathan cls_struct_type.alignment = 0;
59*1fd5a2e1SPrashanth Swaminathan cls_struct_type.type = FFI_TYPE_STRUCT;
60*1fd5a2e1SPrashanth Swaminathan cls_struct_type.elements = cls_struct_fields;
61*1fd5a2e1SPrashanth Swaminathan
62*1fd5a2e1SPrashanth Swaminathan cls_struct_fields[0] = &ffi_type_double;
63*1fd5a2e1SPrashanth Swaminathan cls_struct_fields[1] = &ffi_type_double;
64*1fd5a2e1SPrashanth Swaminathan cls_struct_fields[2] = &ffi_type_sint;
65*1fd5a2e1SPrashanth Swaminathan cls_struct_fields[3] = NULL;
66*1fd5a2e1SPrashanth Swaminathan
67*1fd5a2e1SPrashanth Swaminathan dbl_arg_types[0] = &cls_struct_type;
68*1fd5a2e1SPrashanth Swaminathan dbl_arg_types[1] = &cls_struct_type;
69*1fd5a2e1SPrashanth Swaminathan dbl_arg_types[2] = NULL;
70*1fd5a2e1SPrashanth Swaminathan
71*1fd5a2e1SPrashanth Swaminathan CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
72*1fd5a2e1SPrashanth Swaminathan dbl_arg_types) == FFI_OK);
73*1fd5a2e1SPrashanth Swaminathan
74*1fd5a2e1SPrashanth Swaminathan args_dbl[0] = &g_dbl;
75*1fd5a2e1SPrashanth Swaminathan args_dbl[1] = &f_dbl;
76*1fd5a2e1SPrashanth Swaminathan args_dbl[2] = NULL;
77*1fd5a2e1SPrashanth Swaminathan
78*1fd5a2e1SPrashanth Swaminathan ffi_call(&cif, FFI_FN(cls_struct_20byte_fn), &res_dbl, args_dbl);
79*1fd5a2e1SPrashanth Swaminathan /* { dg-output "1 2 3 4 5 7: 5 7 10" } */
80*1fd5a2e1SPrashanth Swaminathan printf("res: %g %g %d\n", res_dbl.a, res_dbl.b, res_dbl.c);
81*1fd5a2e1SPrashanth Swaminathan /* { dg-output "\nres: 5 7 10" } */
82*1fd5a2e1SPrashanth Swaminathan
83*1fd5a2e1SPrashanth Swaminathan CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_20byte_gn, NULL, code) == FFI_OK);
84*1fd5a2e1SPrashanth Swaminathan
85*1fd5a2e1SPrashanth Swaminathan res_dbl = ((cls_struct_20byte(*)(cls_struct_20byte, cls_struct_20byte))(code))(g_dbl, f_dbl);
86*1fd5a2e1SPrashanth Swaminathan /* { dg-output "\n1 2 3 4 5 7: 5 7 10" } */
87*1fd5a2e1SPrashanth Swaminathan printf("res: %g %g %d\n", res_dbl.a, res_dbl.b, res_dbl.c);
88*1fd5a2e1SPrashanth Swaminathan /* { dg-output "\nres: 5 7 10" } */
89*1fd5a2e1SPrashanth Swaminathan
90*1fd5a2e1SPrashanth Swaminathan exit(0);
91*1fd5a2e1SPrashanth Swaminathan }
92