Ruby  2.4.2p198(2017-09-14revision59899)
nested_struct.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 
11 typedef struct cls_struct_16byte1 {
12  double a;
13  float b;
14  int c;
16 
17 typedef struct cls_struct_16byte2 {
18  int ii;
19  double dd;
20  float ff;
22 
23 typedef struct cls_struct_combined {
27 
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 
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 }
static void cls_struct_combined_gn(ffi_cif *cif __UNUSED__, void *resp, void **args, void *userdata __UNUSED__)
Definition: nested_struct.c:53
cls_struct_combined cls_struct_combined_fn(struct cls_struct_16byte1 b0, struct cls_struct_16byte2 b1, struct cls_struct_combined b2)
Definition: nested_struct.c:28
struct cls_struct_combined cls_struct_combined
struct cls_struct_16byte1 cls_struct_16byte1
cls_struct_16byte2 e
Definition: nested_struct.c:25
#define __UNUSED__
Definition: ffitest.h:28
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
int main(void)
Definition: nested_struct.c:68
void ffi_call(ffi_cif *cif, void(*fn)(void), void *rvalue, void **avalue)
Definition: ffi.c:813
static VALUE result
Definition: nkf.c:40
struct cls_struct_16byte2 cls_struct_16byte2
#define CHECK(sub)
Definition: compile.c:408
cls_struct_16byte1 d
Definition: nested_struct.c:24
#define NULL
Definition: _sdbm.c:102
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