/js/src/ctypes/libffi/testsuite/libffi.call/nested_struct.c

http://github.com/zpao/v8monkey
C | 152 lines | 116 code | 27 blank | 9 comment | 14 complexity | f76c2eaef4f59f84ba4e5389daa7b484 MD5 | raw file
```  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
28cls_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
52static void
53cls_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
68int 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  cls_struct_type.size = 0;
81  cls_struct_type.alignment = 0;
82  cls_struct_type.type = FFI_TYPE_STRUCT;
83  cls_struct_type.elements = cls_struct_fields;
84
85  cls_struct_type1.size = 0;
86  cls_struct_type1.alignment = 0;
87  cls_struct_type1.type = FFI_TYPE_STRUCT;
88  cls_struct_type1.elements = cls_struct_fields1;
89
90  cls_struct_type2.size = 0;
91  cls_struct_type2.alignment = 0;
92  cls_struct_type2.type = FFI_TYPE_STRUCT;
93  cls_struct_type2.elements = cls_struct_fields2;
94
95  struct cls_struct_16byte1 e_dbl = { 9.0, 2.0, 6};
96  struct cls_struct_16byte2 f_dbl = { 1, 2.0, 3.0};
97  struct cls_struct_combined g_dbl = {{4.0, 5.0, 6},
98				      {3, 1.0, 8.0}};
99  struct cls_struct_combined res_dbl;
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}
```