1 /* Area: ffi_call, closure_call
2 Purpose: Check structure passing with different structure size.
3 Contains structs as parameter of the struct itself.
4 Limitations: none.
5 PR: none.
6 Originator: <andreast@gcc.gnu.org> 20030828 */
7
8 /* { dg-do run } */
9 #include "ffitest.h"
10
11 typedef struct cls_struct_16byte1 {
12 double a;
13 float b;
14 int c;
15 } cls_struct_16byte1;
16
17 typedef struct cls_struct_16byte2 {
18 int ii;
19 double dd;
20 float ff;
21 } cls_struct_16byte2;
22
23 typedef struct cls_struct_combined {
24 cls_struct_16byte1 d;
25 cls_struct_16byte2 e;
26 } cls_struct_combined;
27
28 static cls_struct_combined cls_struct_combined_fn(struct cls_struct_16byte1 b0,
29 struct cls_struct_16byte2 b1,
30 struct cls_struct_combined b2)
31 {
32 struct cls_struct_combined result;
33
34 result.d.a = b0.a + b1.dd + b2.d.a;
35 result.d.b = b0.b + b1.ff + b2.d.b;
36 result.d.c = b0.c + b1.ii + b2.d.c;
37 result.e.ii = b0.c + b1.ii + b2.e.ii;
38 result.e.dd = b0.a + b1.dd + b2.e.dd;
39 result.e.ff = b0.b + b1.ff + b2.e.ff;
40
41 printf("%g %g %d %d %g %g %g %g %d %d %g %g: %g %g %d %d %g %g\n",
42 b0.a, b0.b, b0.c,
43 b1.ii, b1.dd, b1.ff,
44 b2.d.a, b2.d.b, b2.d.c,
45 b2.e.ii, b2.e.dd, b2.e.ff,
46 result.d.a, result.d.b, result.d.c,
47 result.e.ii, result.e.dd, result.e.ff);
48
49 return result;
50 }
51
52 static void
53 cls_struct_combined_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
54 void* userdata __UNUSED__)
55 {
56 struct cls_struct_16byte1 b0;
57 struct cls_struct_16byte2 b1;
58 struct cls_struct_combined b2;
59
60 b0 = *(struct cls_struct_16byte1*)(args[0]);
61 b1 = *(struct cls_struct_16byte2*)(args[1]);
62 b2 = *(struct cls_struct_combined*)(args[2]);
63
64
65 *(cls_struct_combined*)resp = cls_struct_combined_fn(b0, b1, b2);
66 }
67
68 int main (void)
69 {
70 ffi_cif cif;
71 void *code;
72 ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
73 void* args_dbl[5];
74 ffi_type* cls_struct_fields[5];
75 ffi_type* cls_struct_fields1[5];
76 ffi_type* cls_struct_fields2[5];
77 ffi_type cls_struct_type, cls_struct_type1, cls_struct_type2;
78 ffi_type* dbl_arg_types[5];
79
80 struct cls_struct_16byte1 e_dbl = { 9.0, 2.0, 6};
81 struct cls_struct_16byte2 f_dbl = { 1, 2.0, 3.0};
82 struct cls_struct_combined g_dbl = {{4.0, 5.0, 6},
83 {3, 1.0, 8.0}};
84 struct cls_struct_combined res_dbl;
85
86 cls_struct_type.size = 0;
87 cls_struct_type.alignment = 0;
88 cls_struct_type.type = FFI_TYPE_STRUCT;
89 cls_struct_type.elements = cls_struct_fields;
90
91 cls_struct_type1.size = 0;
92 cls_struct_type1.alignment = 0;
93 cls_struct_type1.type = FFI_TYPE_STRUCT;
94 cls_struct_type1.elements = cls_struct_fields1;
95
96 cls_struct_type2.size = 0;
97 cls_struct_type2.alignment = 0;
98 cls_struct_type2.type = FFI_TYPE_STRUCT;
99 cls_struct_type2.elements = cls_struct_fields2;
100
101 cls_struct_fields[0] = &ffi_type_double;
102 cls_struct_fields[1] = &ffi_type_float;
103 cls_struct_fields[2] = &ffi_type_sint;
104 cls_struct_fields[3] = NULL;
105
106 cls_struct_fields1[0] = &ffi_type_sint;
107 cls_struct_fields1[1] = &ffi_type_double;
108 cls_struct_fields1[2] = &ffi_type_float;
109 cls_struct_fields1[3] = NULL;
110
111 cls_struct_fields2[0] = &cls_struct_type;
112 cls_struct_fields2[1] = &cls_struct_type1;
113 cls_struct_fields2[2] = NULL;
114
115
116 dbl_arg_types[0] = &cls_struct_type;
117 dbl_arg_types[1] = &cls_struct_type1;
118 dbl_arg_types[2] = &cls_struct_type2;
119 dbl_arg_types[3] = NULL;
120
121 CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 3, &cls_struct_type2,
122 dbl_arg_types) == FFI_OK);
123
124 args_dbl[0] = &e_dbl;
125 args_dbl[1] = &f_dbl;
126 args_dbl[2] = &g_dbl;
127 args_dbl[3] = NULL;
128
129 ffi_call(&cif, FFI_FN(cls_struct_combined_fn), &res_dbl, args_dbl);
130 /* { dg-output "9 2 6 1 2 3 4 5 6 3 1 8: 15 10 13 10 12 13" } */
131 CHECK( res_dbl.d.a == (e_dbl.a + f_dbl.dd + g_dbl.d.a));
132 CHECK( res_dbl.d.b == (e_dbl.b + f_dbl.ff + g_dbl.d.b));
133 CHECK( res_dbl.d.c == (e_dbl.c + f_dbl.ii + g_dbl.d.c));
134 CHECK( res_dbl.e.ii == (e_dbl.c + f_dbl.ii + g_dbl.e.ii));
135 CHECK( res_dbl.e.dd == (e_dbl.a + f_dbl.dd + g_dbl.e.dd));
136 CHECK( res_dbl.e.ff == (e_dbl.b + f_dbl.ff + g_dbl.e.ff));
137
138 CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_combined_gn, NULL, code) == FFI_OK);
139
140 res_dbl = ((cls_struct_combined(*)(cls_struct_16byte1,
141 cls_struct_16byte2,
142 cls_struct_combined))
143 (code))(e_dbl, f_dbl, g_dbl);
144 /* { dg-output "\n9 2 6 1 2 3 4 5 6 3 1 8: 15 10 13 10 12 13" } */
145 CHECK( res_dbl.d.a == (e_dbl.a + f_dbl.dd + g_dbl.d.a));
146 CHECK( res_dbl.d.b == (e_dbl.b + f_dbl.ff + g_dbl.d.b));
147 CHECK( res_dbl.d.c == (e_dbl.c + f_dbl.ii + g_dbl.d.c));
148 CHECK( res_dbl.e.ii == (e_dbl.c + f_dbl.ii + g_dbl.e.ii));
149 CHECK( res_dbl.e.dd == (e_dbl.a + f_dbl.dd + g_dbl.e.dd));
150 CHECK( res_dbl.e.ff == (e_dbl.b + f_dbl.ff + g_dbl.e.ff));
151 exit(0);
152 }