1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
|
#include "ffitest.h"
typedef struct cls_struct_16byte1 {
double a;
float b;
int c;
} cls_struct_16byte1;
typedef struct cls_struct_16byte2 {
int ii;
double dd;
float ff;
} cls_struct_16byte2;
typedef struct cls_struct_combined {
cls_struct_16byte1 d;
cls_struct_16byte2 e;
} cls_struct_combined;
cls_struct_combined cls_struct_combined_fn(struct cls_struct_16byte1 b0,
struct cls_struct_16byte2 b1,
struct cls_struct_combined b2)
{
struct cls_struct_combined result;
result.d.a = b0.a + b1.dd + b2.d.a;
result.d.b = b0.b + b1.ff + b2.d.b;
result.d.c = b0.c + b1.ii + b2.d.c;
result.e.ii = b0.c + b1.ii + b2.e.ii;
result.e.dd = b0.a + b1.dd + b2.e.dd;
result.e.ff = b0.b + b1.ff + b2.e.ff;
printf("%g %g %d %d %g %g %g %g %d %d %g %g: %g %g %d %d %g %g\n",
b0.a, b0.b, b0.c,
b1.ii, b1.dd, b1.ff,
b2.d.a, b2.d.b, b2.d.c,
b2.e.ii, b2.e.dd, b2.e.ff,
result.d.a, result.d.b, result.d.c,
result.e.ii, result.e.dd, result.e.ff);
return result;
}
static void
cls_struct_combined_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
void* userdata __UNUSED__)
{
struct cls_struct_16byte1 b0;
struct cls_struct_16byte2 b1;
struct cls_struct_combined b2;
b0 = *(struct cls_struct_16byte1*)(args[0]);
b1 = *(struct cls_struct_16byte2*)(args[1]);
b2 = *(struct cls_struct_combined*)(args[2]);
*(cls_struct_combined*)resp = cls_struct_combined_fn(b0, b1, b2);
}
int main (void)
{
ffi_cif cif;
void *code;
ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
void* args_dbl[5];
ffi_type* cls_struct_fields[5];
ffi_type* cls_struct_fields1[5];
ffi_type* cls_struct_fields2[5];
ffi_type cls_struct_type, cls_struct_type1, cls_struct_type2;
ffi_type* dbl_arg_types[5];
struct cls_struct_16byte1 e_dbl = { 9.0, 2.0, 6};
struct cls_struct_16byte2 f_dbl = { 1, 2.0, 3.0};
struct cls_struct_combined g_dbl = {{4.0, 5.0, 6},
{3, 1.0, 8.0}};
struct cls_struct_combined res_dbl;
cls_struct_type.size = 0;
cls_struct_type.alignment = 0;
cls_struct_type.type = FFI_TYPE_STRUCT;
cls_struct_type.elements = cls_struct_fields;
cls_struct_type1.size = 0;
cls_struct_type1.alignment = 0;
cls_struct_type1.type = FFI_TYPE_STRUCT;
cls_struct_type1.elements = cls_struct_fields1;
cls_struct_type2.size = 0;
cls_struct_type2.alignment = 0;
cls_struct_type2.type = FFI_TYPE_STRUCT;
cls_struct_type2.elements = cls_struct_fields2;
cls_struct_fields[0] = &ffi_type_double;
cls_struct_fields[1] = &ffi_type_float;
cls_struct_fields[2] = &ffi_type_sint;
cls_struct_fields[3] = NULL;
cls_struct_fields1[0] = &ffi_type_sint;
cls_struct_fields1[1] = &ffi_type_double;
cls_struct_fields1[2] = &ffi_type_float;
cls_struct_fields1[3] = NULL;
cls_struct_fields2[0] = &cls_struct_type;
cls_struct_fields2[1] = &cls_struct_type1;
cls_struct_fields2[2] = NULL;
dbl_arg_types[0] = &cls_struct_type;
dbl_arg_types[1] = &cls_struct_type1;
dbl_arg_types[2] = &cls_struct_type2;
dbl_arg_types[3] = NULL;
CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 3, &cls_struct_type2,
dbl_arg_types) == FFI_OK);
args_dbl[0] = &e_dbl;
args_dbl[1] = &f_dbl;
args_dbl[2] = &g_dbl;
args_dbl[3] = NULL;
ffi_call(&cif, FFI_FN(cls_struct_combined_fn), &res_dbl, args_dbl);
CHECK( res_dbl.d.a == (e_dbl.a + f_dbl.dd + g_dbl.d.a));
CHECK( res_dbl.d.b == (e_dbl.b + f_dbl.ff + g_dbl.d.b));
CHECK( res_dbl.d.c == (e_dbl.c + f_dbl.ii + g_dbl.d.c));
CHECK( res_dbl.e.ii == (e_dbl.c + f_dbl.ii + g_dbl.e.ii));
CHECK( res_dbl.e.dd == (e_dbl.a + f_dbl.dd + g_dbl.e.dd));
CHECK( res_dbl.e.ff == (e_dbl.b + f_dbl.ff + g_dbl.e.ff));
CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_combined_gn, NULL, code) == FFI_OK);
res_dbl = ((cls_struct_combined(*)(cls_struct_16byte1,
cls_struct_16byte2,
cls_struct_combined))
(code))(e_dbl, f_dbl, g_dbl);
CHECK( res_dbl.d.a == (e_dbl.a + f_dbl.dd + g_dbl.d.a));
CHECK( res_dbl.d.b == (e_dbl.b + f_dbl.ff + g_dbl.d.b));
CHECK( res_dbl.d.c == (e_dbl.c + f_dbl.ii + g_dbl.d.c));
CHECK( res_dbl.e.ii == (e_dbl.c + f_dbl.ii + g_dbl.e.ii));
CHECK( res_dbl.e.dd == (e_dbl.a + f_dbl.dd + g_dbl.e.dd));
CHECK( res_dbl.e.ff == (e_dbl.b + f_dbl.ff + g_dbl.e.ff));
exit(0);
}
|