Ruby: ext/fiddle/libffi-3.2.1/testsuite/libffi.call/nested_struct1.c Source File

Ruby 3.0.5p211 (2022-11-24 revision ba5cf0f7c52d4d35cc6a173c89eda98ceffa2dcf)

nested_struct1.c
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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
11typedef struct cls_struct_16byte1 {
12 double a;
13 float b;
14 int c;
15} cls_struct_16byte1;
16
17typedef struct cls_struct_16byte2 {
18 int ii;
19 double dd;
20 float ff;
21} cls_struct_16byte2;
22
23typedef struct cls_struct_combined {
24 cls_struct_16byte1 d;
25 cls_struct_16byte2 e;
26} cls_struct_combined;
27
28 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 struct cls_struct_16byte1 b3)
32{
33 struct cls_struct_combined result;
34
35 result.d.a = b0.a + b1.dd + b2.d.a;
36 result.d.b = b0.b + b1.ff + b2.d.b;
37 result.d.c = b0.c + b1.ii + b2.d.c;
38 result.e.ii = b0.c + b1.ii + b2.e.ii;
39 result.e.dd = b0.a + b1.dd + b2.e.dd;
40 result.e.ff = b0.b + b1.ff + b2.e.ff;
41
42 printf("%g %g %d %d %g %g %g %g %d %d %g %g %g %g %d: %g %g %d %d %g %g\n",
43 b0.a, b0.b, b0.c,
44 b1.ii, b1.dd, b1.ff,
45 b2.d.a, b2.d.b, b2.d.c,
46 b2.e.ii, b2.e.dd, b2.e.ff,
47 b3.a, b3.b, b3.c,
48 result.d.a, result.d.b, result.d.c,
49 result.e.ii, result.e.dd, result.e.ff);
50
51 return result;
52}
53
54static void
55cls_struct_combined_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
56 void* userdata __UNUSED__)
57{
58 struct cls_struct_16byte1 b0;
59 struct cls_struct_16byte2 b1;
60 struct cls_struct_combined b2;
61 struct cls_struct_16byte1 b3;
62
63 b0 = *(struct cls_struct_16byte1*)(args[0]);
64 b1 = *(struct cls_struct_16byte2*)(args[1]);
65 b2 = *(struct cls_struct_combined*)(args[2]);
66 b3 = *(struct cls_struct_16byte1*)(args[3]);
67
68
69 *(cls_struct_combined*)resp = cls_struct_combined_fn(b0, b1, b2, b3);
70}
71
72 int main (void)
73{
74 ffi_cif cif;
75 void *code;
76 ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
77 void* args_dbl[5];
78 ffi_type* cls_struct_fields[5];
79 ffi_type* cls_struct_fields1[5];
80 ffi_type* cls_struct_fields2[5];
81 ffi_type cls_struct_type, cls_struct_type1, cls_struct_type2;
82 ffi_type* dbl_arg_types[5];
83
84 struct cls_struct_16byte1 e_dbl = { 9.0, 2.0, 6};
85 struct cls_struct_16byte2 f_dbl = { 1, 2.0, 3.0};
86 struct cls_struct_combined g_dbl = {{4.0, 5.0, 6},
87 {3, 1.0, 8.0}};
88 struct cls_struct_16byte1 h_dbl = { 3.0, 2.0, 4};
89 struct cls_struct_combined res_dbl;
90
91 cls_struct_type.size = 0;
92 cls_struct_type.alignment = 0;
93 cls_struct_type.type = FFI_TYPE_STRUCT;
94 cls_struct_type.elements = cls_struct_fields;
95
96 cls_struct_type1.size = 0;
97 cls_struct_type1.alignment = 0;
98 cls_struct_type1.type = FFI_TYPE_STRUCT;
99 cls_struct_type1.elements = cls_struct_fields1;
100
101 cls_struct_type2.size = 0;
102 cls_struct_type2.alignment = 0;
103 cls_struct_type2.type = FFI_TYPE_STRUCT;
104 cls_struct_type2.elements = cls_struct_fields2;
105
106 cls_struct_fields[0] = &ffi_type_double;
107 cls_struct_fields[1] = &ffi_type_float;
108 cls_struct_fields[2] = &ffi_type_sint;
109 cls_struct_fields[3] = NULL;
110
111 cls_struct_fields1[0] = &ffi_type_sint;
112 cls_struct_fields1[1] = &ffi_type_double;
113 cls_struct_fields1[2] = &ffi_type_float;
114 cls_struct_fields1[3] = NULL;
115
116 cls_struct_fields2[0] = &cls_struct_type;
117 cls_struct_fields2[1] = &cls_struct_type1;
118 cls_struct_fields2[2] = NULL;
119
120
121 dbl_arg_types[0] = &cls_struct_type;
122 dbl_arg_types[1] = &cls_struct_type1;
123 dbl_arg_types[2] = &cls_struct_type2;
124 dbl_arg_types[3] = &cls_struct_type;
125 dbl_arg_types[4] = NULL;
126
127 CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 4, &cls_struct_type2,
128 dbl_arg_types) == FFI_OK);
129
130 args_dbl[0] = &e_dbl;
131 args_dbl[1] = &f_dbl;
132 args_dbl[2] = &g_dbl;
133 args_dbl[3] = &h_dbl;
134 args_dbl[4] = NULL;
135
136 ffi_call(&cif, FFI_FN(cls_struct_combined_fn), &res_dbl, args_dbl);
137 /* { dg-output "9 2 6 1 2 3 4 5 6 3 1 8 3 2 4: 15 10 13 10 12 13" } */
138 CHECK( res_dbl.d.a == (e_dbl.a + f_dbl.dd + g_dbl.d.a));
139 CHECK( res_dbl.d.b == (e_dbl.b + f_dbl.ff + g_dbl.d.b));
140 CHECK( res_dbl.d.c == (e_dbl.c + f_dbl.ii + g_dbl.d.c));
141 CHECK( res_dbl.e.ii == (e_dbl.c + f_dbl.ii + g_dbl.e.ii));
142 CHECK( res_dbl.e.dd == (e_dbl.a + f_dbl.dd + g_dbl.e.dd));
143 CHECK( res_dbl.e.ff == (e_dbl.b + f_dbl.ff + g_dbl.e.ff));
144
145 CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_combined_gn, NULL, code) == FFI_OK);
146
147 res_dbl = ((cls_struct_combined(*)(cls_struct_16byte1,
148 cls_struct_16byte2,
149 cls_struct_combined,
150 cls_struct_16byte1))
151 (code))(e_dbl, f_dbl, g_dbl, h_dbl);
152 /* { dg-output "\n9 2 6 1 2 3 4 5 6 3 1 8 3 2 4: 15 10 13 10 12 13" } */
153 CHECK( res_dbl.d.a == (e_dbl.a + f_dbl.dd + g_dbl.d.a));
154 CHECK( res_dbl.d.b == (e_dbl.b + f_dbl.ff + g_dbl.d.b));
155 CHECK( res_dbl.d.c == (e_dbl.c + f_dbl.ii + g_dbl.d.c));
156 CHECK( res_dbl.e.ii == (e_dbl.c + f_dbl.ii + g_dbl.e.ii));
157 CHECK( res_dbl.e.dd == (e_dbl.a + f_dbl.dd + g_dbl.e.dd));
158 CHECK( res_dbl.e.ff == (e_dbl.b + f_dbl.ff + g_dbl.e.ff));
159 /* CHECK( 1 == 0); */
160 exit(0);
161}
ffi_prep_closure_loc
ffi_status ffi_prep_closure_loc(ffi_closure *closure, ffi_cif *cif, void(*fun)(ffi_cif *, void *, void **, void *), void *user_data, void *codeloc)
Definition: ffi.c:928
ffi_call
void ffi_call(ffi_cif *cif, void(*fn)(void), void *rvalue, void **avalue)
Definition: ffi.c:813
FFI_DEFAULT_ABI
@ FFI_DEFAULT_ABI
Definition: ffitarget.h:38
CHECK
#define CHECK(sub)
Definition: compile.c:429
ffitest.h
__UNUSED__
#define __UNUSED__
Definition: ffitest.h:23
cls_struct_combined_fn
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_16byte1 b3)
Definition: nested_struct1.c:28
cls_struct_combined
struct cls_struct_combined cls_struct_combined
main
int main(void)
Definition: nested_struct1.c:72
ffi_prep_cif
ffi_status ffi_prep_cif(ffi_cif *cif, ffi_abi abi, unsigned int nargs, ffi_type *rtype, ffi_type **atypes)
Definition: prep_cif.c:226
NULL
#define NULL
Definition: regenc.h:69
cls_struct_16byte1
Definition: nested_struct.c:11
cls_struct_16byte1::a
double a
Definition: nested_struct.c:12
cls_struct_16byte1::c
int c
Definition: nested_struct.c:14
cls_struct_16byte1::b
float b
Definition: nested_struct.c:13
cls_struct_16byte2
Definition: nested_struct.c:17
cls_struct_16byte2::ff
float ff
Definition: nested_struct.c:20
cls_struct_16byte2::ii
int ii
Definition: nested_struct.c:18
cls_struct_16byte2::dd
double dd
Definition: nested_struct.c:19
cls_struct_combined
Definition: nested_struct.c:23
cls_struct_combined::d
cls_struct_16byte1 d
Definition: nested_struct.c:24
cls_struct_combined::e
cls_struct_16byte2 e
Definition: nested_struct.c:25
code
Definition: inftree9.h:24