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_16byte {
12*1fd5a2e1SPrashanth Swaminathan int a;
13*1fd5a2e1SPrashanth Swaminathan double b;
14*1fd5a2e1SPrashanth Swaminathan int c;
15*1fd5a2e1SPrashanth Swaminathan } cls_struct_16byte;
16*1fd5a2e1SPrashanth Swaminathan
cls_struct_16byte_fn(struct cls_struct_16byte b1,struct cls_struct_16byte b2)17*1fd5a2e1SPrashanth Swaminathan cls_struct_16byte cls_struct_16byte_fn(struct cls_struct_16byte b1,
18*1fd5a2e1SPrashanth Swaminathan struct cls_struct_16byte b2)
19*1fd5a2e1SPrashanth Swaminathan {
20*1fd5a2e1SPrashanth Swaminathan struct cls_struct_16byte result;
21*1fd5a2e1SPrashanth Swaminathan
22*1fd5a2e1SPrashanth Swaminathan result.a = b1.a + b2.a;
23*1fd5a2e1SPrashanth Swaminathan result.b = b1.b + b2.b;
24*1fd5a2e1SPrashanth Swaminathan result.c = b1.c + b2.c;
25*1fd5a2e1SPrashanth Swaminathan
26*1fd5a2e1SPrashanth Swaminathan printf("%d %g %d %d %g %d: %d %g %d\n", b1.a, b1.b, b1.c, b2.a, b2.b, b2.c,
27*1fd5a2e1SPrashanth Swaminathan result.a, result.b, result.c);
28*1fd5a2e1SPrashanth Swaminathan
29*1fd5a2e1SPrashanth Swaminathan return result;
30*1fd5a2e1SPrashanth Swaminathan }
31*1fd5a2e1SPrashanth Swaminathan
cls_struct_16byte_gn(ffi_cif * cif __UNUSED__,void * resp,void ** args,void * userdata __UNUSED__)32*1fd5a2e1SPrashanth Swaminathan static void cls_struct_16byte_gn(ffi_cif* cif __UNUSED__, void* resp,
33*1fd5a2e1SPrashanth Swaminathan void** args, void* userdata __UNUSED__)
34*1fd5a2e1SPrashanth Swaminathan {
35*1fd5a2e1SPrashanth Swaminathan struct cls_struct_16byte b1, b2;
36*1fd5a2e1SPrashanth Swaminathan
37*1fd5a2e1SPrashanth Swaminathan b1 = *(struct cls_struct_16byte*)(args[0]);
38*1fd5a2e1SPrashanth Swaminathan b2 = *(struct cls_struct_16byte*)(args[1]);
39*1fd5a2e1SPrashanth Swaminathan
40*1fd5a2e1SPrashanth Swaminathan *(cls_struct_16byte*)resp = cls_struct_16byte_fn(b1, b2);
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_16byte h_dbl = { 7, 8.0, 9 };
54*1fd5a2e1SPrashanth Swaminathan struct cls_struct_16byte j_dbl = { 1, 9.0, 3 };
55*1fd5a2e1SPrashanth Swaminathan struct cls_struct_16byte 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_sint;
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] = &h_dbl;
75*1fd5a2e1SPrashanth Swaminathan args_dbl[1] = &j_dbl;
76*1fd5a2e1SPrashanth Swaminathan args_dbl[2] = NULL;
77*1fd5a2e1SPrashanth Swaminathan
78*1fd5a2e1SPrashanth Swaminathan ffi_call(&cif, FFI_FN(cls_struct_16byte_fn), &res_dbl, args_dbl);
79*1fd5a2e1SPrashanth Swaminathan /* { dg-output "7 8 9 1 9 3: 8 17 12" } */
80*1fd5a2e1SPrashanth Swaminathan printf("res: %d %g %d\n", res_dbl.a, res_dbl.b, res_dbl.c);
81*1fd5a2e1SPrashanth Swaminathan /* { dg-output "\nres: 8 17 12" } */
82*1fd5a2e1SPrashanth Swaminathan
83*1fd5a2e1SPrashanth Swaminathan res_dbl.a = 0;
84*1fd5a2e1SPrashanth Swaminathan res_dbl.b = 0.0;
85*1fd5a2e1SPrashanth Swaminathan res_dbl.c = 0;
86*1fd5a2e1SPrashanth Swaminathan
87*1fd5a2e1SPrashanth Swaminathan CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_16byte_gn, NULL, code) == FFI_OK);
88*1fd5a2e1SPrashanth Swaminathan
89*1fd5a2e1SPrashanth Swaminathan res_dbl = ((cls_struct_16byte(*)(cls_struct_16byte, cls_struct_16byte))(code))(h_dbl, j_dbl);
90*1fd5a2e1SPrashanth Swaminathan /* { dg-output "\n7 8 9 1 9 3: 8 17 12" } */
91*1fd5a2e1SPrashanth Swaminathan printf("res: %d %g %d\n", res_dbl.a, res_dbl.b, res_dbl.c);
92*1fd5a2e1SPrashanth Swaminathan /* { dg-output "\nres: 8 17 12" } */
93*1fd5a2e1SPrashanth Swaminathan
94*1fd5a2e1SPrashanth Swaminathan exit(0);
95*1fd5a2e1SPrashanth Swaminathan }
96