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_5byte {
12 unsigned char a;
13 unsigned char b;
14 unsigned char c;
15 unsigned char d;
16 unsigned char e;
17 } cls_struct_5byte;
18
cls_struct_5byte_fn(struct cls_struct_5byte a1,struct cls_struct_5byte a2)19 cls_struct_5byte cls_struct_5byte_fn(struct cls_struct_5byte a1,
20 struct cls_struct_5byte a2)
21 {
22 struct cls_struct_5byte result;
23
24 result.a = a1.a + a2.a;
25 result.b = a1.b + a2.b;
26 result.c = a1.c + a2.c;
27 result.d = a1.d + a2.d;
28 result.e = a1.e + a2.e;
29
30 printf("%d %d %d %d %d %d %d %d %d %d: %d %d %d %d %d\n",
31 a1.a, a1.b, a1.c, a1.d, a1.e,
32 a2.a, a2.b, a2.c, a2.d, a2.e,
33 result.a, result.b, result.c, result.d, result.e);
34
35 return result;
36 }
37
38 static void
cls_struct_5byte_gn(ffi_cif * cif __UNUSED__,void * resp,void ** args,void * userdata __UNUSED__)39 cls_struct_5byte_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
40 void* userdata __UNUSED__)
41 {
42
43 struct cls_struct_5byte a1, a2;
44
45 a1 = *(struct cls_struct_5byte*)(args[0]);
46 a2 = *(struct cls_struct_5byte*)(args[1]);
47
48 *(cls_struct_5byte*)resp = cls_struct_5byte_fn(a1, a2);
49 }
50
main(void)51 int main (void)
52 {
53 ffi_cif cif;
54 #ifndef USING_MMAP
55 static ffi_closure cl;
56 #endif
57 ffi_closure *pcl;
58 void* args_dbl[5];
59 ffi_type* cls_struct_fields[6];
60 ffi_type cls_struct_type;
61 ffi_type* dbl_arg_types[5];
62
63 #ifdef USING_MMAP
64 pcl = allocate_mmap (sizeof(ffi_closure));
65 #else
66 pcl = &cl;
67 #endif
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 struct cls_struct_5byte g_dbl = { 127, 120, 1, 3, 4 };
75 struct cls_struct_5byte f_dbl = { 12, 128, 9, 3, 4 };
76 struct cls_struct_5byte res_dbl = { 0, 0, 0, 0, 0 };
77
78 cls_struct_fields[0] = &ffi_type_uchar;
79 cls_struct_fields[1] = &ffi_type_uchar;
80 cls_struct_fields[2] = &ffi_type_uchar;
81 cls_struct_fields[3] = &ffi_type_uchar;
82 cls_struct_fields[4] = &ffi_type_uchar;
83 cls_struct_fields[5] = NULL;
84
85 dbl_arg_types[0] = &cls_struct_type;
86 dbl_arg_types[1] = &cls_struct_type;
87 dbl_arg_types[2] = NULL;
88
89 CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
90 dbl_arg_types) == FFI_OK);
91
92 args_dbl[0] = &g_dbl;
93 args_dbl[1] = &f_dbl;
94 args_dbl[2] = NULL;
95
96 ffi_call(&cif, FFI_FN(cls_struct_5byte_fn), &res_dbl, args_dbl);
97 /* { dg-output "127 120 1 3 4 12 128 9 3 4: 139 248 10 6 8" } */
98 printf("res: %d %d %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c,
99 res_dbl.d, res_dbl.e);
100 /* { dg-output "\nres: 139 248 10 6 8" } */
101
102 res_dbl.a = 0;
103 res_dbl.b = 0;
104 res_dbl.c = 0;
105 res_dbl.d = 0;
106 res_dbl.e = 0;
107
108 CHECK(ffi_prep_closure(pcl, &cif, cls_struct_5byte_gn, NULL) == FFI_OK);
109
110 res_dbl = ((cls_struct_5byte(*)(cls_struct_5byte, cls_struct_5byte))(pcl))(g_dbl, f_dbl);
111 /* { dg-output "\n127 120 1 3 4 12 128 9 3 4: 139 248 10 6 8" } */
112 printf("res: %d %d %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c,
113 res_dbl.d, res_dbl.e);
114 /* { dg-output "\nres: 139 248 10 6 8" } */
115
116 exit(0);
117 }
118