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_6byte {
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 } cls_struct_6byte;
19
cls_struct_6byte_fn(struct cls_struct_6byte a1,struct cls_struct_6byte a2)20 cls_struct_6byte cls_struct_6byte_fn(struct cls_struct_6byte a1,
21 struct cls_struct_6byte a2)
22 {
23 struct cls_struct_6byte result;
24
25 result.a = a1.a + a2.a;
26 result.b = a1.b + a2.b;
27 result.c = a1.c + a2.c;
28 result.d = a1.d + a2.d;
29 result.e = a1.e + a2.e;
30 result.f = a1.f + a2.f;
31
32 printf("%d %d %d %d %d %d %d %d %d %d %d %d: %d %d %d %d %d %d\n",
33 a1.a, a1.b, a1.c, a1.d, a1.e, a1.f,
34 a2.a, a2.b, a2.c, a2.d, a2.e, a2.f,
35 result.a, result.b, result.c, result.d, result.e, result.f);
36
37 return result;
38 }
39
40 static void
cls_struct_6byte_gn(ffi_cif * cif __UNUSED__,void * resp,void ** args,void * userdata __UNUSED__)41 cls_struct_6byte_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
42 void* userdata __UNUSED__)
43 {
44
45 struct cls_struct_6byte a1, a2;
46
47 a1 = *(struct cls_struct_6byte*)(args[0]);
48 a2 = *(struct cls_struct_6byte*)(args[1]);
49
50 *(cls_struct_6byte*)resp = cls_struct_6byte_fn(a1, a2);
51 }
52
main(void)53 int main (void)
54 {
55 ffi_cif cif;
56 #ifndef USING_MMAP
57 static ffi_closure cl;
58 #endif
59 ffi_closure *pcl;
60 void* args_dbl[5];
61 ffi_type* cls_struct_fields[7];
62 ffi_type cls_struct_type;
63 ffi_type* dbl_arg_types[5];
64
65 #ifdef USING_MMAP
66 pcl = allocate_mmap (sizeof(ffi_closure));
67 #else
68 pcl = &cl;
69 #endif
70
71 cls_struct_type.size = 0;
72 cls_struct_type.alignment = 0;
73 cls_struct_type.type = FFI_TYPE_STRUCT;
74 cls_struct_type.elements = cls_struct_fields;
75
76 struct cls_struct_6byte g_dbl = { 127, 120, 1, 3, 4, 5 };
77 struct cls_struct_6byte f_dbl = { 12, 128, 9, 3, 4, 5 };
78 struct cls_struct_6byte res_dbl = { 0, 0, 0, 0, 0, 0 };
79
80 cls_struct_fields[0] = &ffi_type_uchar;
81 cls_struct_fields[1] = &ffi_type_uchar;
82 cls_struct_fields[2] = &ffi_type_uchar;
83 cls_struct_fields[3] = &ffi_type_uchar;
84 cls_struct_fields[4] = &ffi_type_uchar;
85 cls_struct_fields[5] = &ffi_type_uchar;
86 cls_struct_fields[6] = NULL;
87
88 dbl_arg_types[0] = &cls_struct_type;
89 dbl_arg_types[1] = &cls_struct_type;
90 dbl_arg_types[2] = NULL;
91
92 CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
93 dbl_arg_types) == FFI_OK);
94
95 args_dbl[0] = &g_dbl;
96 args_dbl[1] = &f_dbl;
97 args_dbl[2] = NULL;
98
99 ffi_call(&cif, FFI_FN(cls_struct_6byte_fn), &res_dbl, args_dbl);
100 /* { dg-output "127 120 1 3 4 5 12 128 9 3 4 5: 139 248 10 6 8 10" } */
101 printf("res: %d %d %d %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c,
102 res_dbl.d, res_dbl.e, res_dbl.f);
103 /* { dg-output "\nres: 139 248 10 6 8 10" } */
104
105 res_dbl.a = 0;
106 res_dbl.b = 0;
107 res_dbl.c = 0;
108 res_dbl.d = 0;
109 res_dbl.e = 0;
110 res_dbl.f = 0;
111
112 CHECK(ffi_prep_closure(pcl, &cif, cls_struct_6byte_gn, NULL) == FFI_OK);
113
114 res_dbl = ((cls_struct_6byte(*)(cls_struct_6byte, cls_struct_6byte))(pcl))(g_dbl, f_dbl);
115 /* { dg-output "\n127 120 1 3 4 5 12 128 9 3 4 5: 139 248 10 6 8 10" } */
116 printf("res: %d %d %d %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c,
117 res_dbl.d, res_dbl.e, res_dbl.f);
118 /* { dg-output "\nres: 139 248 10 6 8 10" } */
119
120 exit(0);
121 }
122