1 /* Area: ffi_call, closure_call
2 Purpose: Check structure passing with different structure size.
3 Depending on the ABI. Check overlapping.
4 Limitations: none.
5 PR: none.
6 Originator: <andreast@gcc.gnu.org> 20050708 */
7
8 /* { dg-do run } */
9 #include "ffitest.h"
10
11 typedef struct cls_struct_7byte {
12 unsigned char a;
13 unsigned char b;
14 unsigned char c;
15 unsigned char d;
16 unsigned char e;
17 unsigned char f;
18 unsigned char g;
19 } cls_struct_7byte;
20
21 static cls_struct_7byte cls_struct_7byte_fn(struct cls_struct_7byte a1,
22 struct cls_struct_7byte a2)
23 {
24 struct cls_struct_7byte result;
25
26 result.a = a1.a + a2.a;
27 result.b = a1.b + a2.b;
28 result.c = a1.c + a2.c;
29 result.d = a1.d + a2.d;
30 result.e = a1.e + a2.e;
31 result.f = a1.f + a2.f;
32 result.g = a1.g + a2.g;
33
34 printf("%d %d %d %d %d %d %d %d %d %d %d %d %d %d: %d %d %d %d %d %d %d\n",
35 a1.a, a1.b, a1.c, a1.d, a1.e, a1.f, a1.g,
36 a2.a, a2.b, a2.c, a2.d, a2.e, a2.f, a2.g,
37 result.a, result.b, result.c, result.d, result.e, result.f, result.g);
38
39 return result;
40 }
41
42 static void
43 cls_struct_7byte_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
44 void* userdata __UNUSED__)
45 {
46
47 struct cls_struct_7byte a1, a2;
48
49 a1 = *(struct cls_struct_7byte*)(args[0]);
50 a2 = *(struct cls_struct_7byte*)(args[1]);
51
52 *(cls_struct_7byte*)resp = cls_struct_7byte_fn(a1, a2);
53 }
54
55 int main (void)
56 {
57 ffi_cif cif;
58 void *code;
59 ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
60 void* args_dbl[5];
61 ffi_type* cls_struct_fields[8];
62 ffi_type cls_struct_type;
63 ffi_type* dbl_arg_types[5];
64
65 struct cls_struct_7byte g_dbl = { 127, 120, 1, 3, 4, 5, 6 };
66 struct cls_struct_7byte f_dbl = { 12, 128, 9, 3, 4, 5, 6 };
67 struct cls_struct_7byte res_dbl = { 0, 0, 0, 0, 0, 0, 0 };
68
69 cls_struct_type.size = 0;
70 cls_struct_type.alignment = 0;
71 cls_struct_type.type = FFI_TYPE_STRUCT;
72 cls_struct_type.elements = cls_struct_fields;
73
74 cls_struct_fields[0] = &ffi_type_uchar;
75 cls_struct_fields[1] = &ffi_type_uchar;
76 cls_struct_fields[2] = &ffi_type_uchar;
77 cls_struct_fields[3] = &ffi_type_uchar;
78 cls_struct_fields[4] = &ffi_type_uchar;
79 cls_struct_fields[5] = &ffi_type_uchar;
80 cls_struct_fields[6] = &ffi_type_uchar;
81 cls_struct_fields[7] = NULL;
82
83 dbl_arg_types[0] = &cls_struct_type;
84 dbl_arg_types[1] = &cls_struct_type;
85 dbl_arg_types[2] = NULL;
86
87 CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
88 dbl_arg_types) == FFI_OK);
89
90 args_dbl[0] = &g_dbl;
91 args_dbl[1] = &f_dbl;
92 args_dbl[2] = NULL;
93
94 ffi_call(&cif, FFI_FN(cls_struct_7byte_fn), &res_dbl, args_dbl);
95 /* { dg-output "127 120 1 3 4 5 6 12 128 9 3 4 5 6: 139 248 10 6 8 10 12" } */
96 printf("res: %d %d %d %d %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c,
97 res_dbl.d, res_dbl.e, res_dbl.f, res_dbl.g);
98 /* { dg-output "\nres: 139 248 10 6 8 10 12" } */
99
100 res_dbl.a = 0;
101 res_dbl.b = 0;
102 res_dbl.c = 0;
103 res_dbl.d = 0;
104 res_dbl.e = 0;
105 res_dbl.f = 0;
106 res_dbl.g = 0;
107
108 CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_7byte_gn, NULL, code) == FFI_OK);
109
110 res_dbl = ((cls_struct_7byte(*)(cls_struct_7byte, cls_struct_7byte))(code))(g_dbl, f_dbl);
111 /* { dg-output "\n127 120 1 3 4 5 6 12 128 9 3 4 5 6: 139 248 10 6 8 10 12" } */
112 printf("res: %d %d %d %d %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c,
113 res_dbl.d, res_dbl.e, res_dbl.f, res_dbl.g);
114 /* { dg-output "\nres: 139 248 10 6 8 10 12" } */
115
116 exit(0);
117 }