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					   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
72int main (void)
73{
74  ffi_cif cif;
75#ifndef USING_MMAP
76  static ffi_closure cl;
77#endif
78  ffi_closure *pcl;
79  void* args_dbl[5];
80  ffi_type* cls_struct_fields[5];
81  ffi_type* cls_struct_fields1[5];
82  ffi_type* cls_struct_fields2[5];
83  ffi_type cls_struct_type, cls_struct_type1, cls_struct_type2;
84  ffi_type* dbl_arg_types[5];
85
86#ifdef USING_MMAP
87  pcl = allocate_mmap (sizeof(ffi_closure));
88#else
89  pcl = &cl;
90#endif
91
92  cls_struct_type.size = 0;
93  cls_struct_type.alignment = 0;
94  cls_struct_type.type = FFI_TYPE_STRUCT;
95  cls_struct_type.elements = cls_struct_fields;
96
97  cls_struct_type1.size = 0;
98  cls_struct_type1.alignment = 0;
99  cls_struct_type1.type = FFI_TYPE_STRUCT;
100  cls_struct_type1.elements = cls_struct_fields1;
101
102  cls_struct_type2.size = 0;
103  cls_struct_type2.alignment = 0;
104  cls_struct_type2.type = FFI_TYPE_STRUCT;
105  cls_struct_type2.elements = cls_struct_fields2;
106
107  struct cls_struct_16byte1 e_dbl = { 9.0, 2.0, 6};
108  struct cls_struct_16byte2 f_dbl = { 1, 2.0, 3.0};
109  struct cls_struct_combined g_dbl = {{4.0, 5.0, 6},
110				      {3, 1.0, 8.0}};
111  struct cls_struct_16byte1 h_dbl = { 3.0, 2.0, 4};
112  struct cls_struct_combined res_dbl;
113
114  cls_struct_fields[0] = &ffi_type_double;
115  cls_struct_fields[1] = &ffi_type_float;
116  cls_struct_fields[2] = &ffi_type_sint;
117  cls_struct_fields[3] = NULL;
118
119  cls_struct_fields1[0] = &ffi_type_sint;
120  cls_struct_fields1[1] = &ffi_type_double;
121  cls_struct_fields1[2] = &ffi_type_float;
122  cls_struct_fields1[3] = NULL;
123
124  cls_struct_fields2[0] = &cls_struct_type;
125  cls_struct_fields2[1] = &cls_struct_type1;
126  cls_struct_fields2[2] = NULL;
127
128
129  dbl_arg_types[0] = &cls_struct_type;
130  dbl_arg_types[1] = &cls_struct_type1;
131  dbl_arg_types[2] = &cls_struct_type2;
132  dbl_arg_types[3] = &cls_struct_type;
133  dbl_arg_types[4] = NULL;
134
135  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 4, &cls_struct_type2,
136		     dbl_arg_types) == FFI_OK);
137
138  args_dbl[0] = &e_dbl;
139  args_dbl[1] = &f_dbl;
140  args_dbl[2] = &g_dbl;
141  args_dbl[3] = &h_dbl;
142  args_dbl[4] = NULL;
143
144  ffi_call(&cif, FFI_FN(cls_struct_combined_fn), &res_dbl, args_dbl);
145  /* { dg-output "9 2 6 1 2 3 4 5 6 3 1 8 3 2 4: 15 10 13 10 12 13" } */
146  CHECK( res_dbl.d.a == (e_dbl.a + f_dbl.dd + g_dbl.d.a));
147  CHECK( res_dbl.d.b == (e_dbl.b + f_dbl.ff + g_dbl.d.b));
148  CHECK( res_dbl.d.c == (e_dbl.c + f_dbl.ii + g_dbl.d.c));
149  CHECK( res_dbl.e.ii == (e_dbl.c + f_dbl.ii + g_dbl.e.ii));
150  CHECK( res_dbl.e.dd == (e_dbl.a + f_dbl.dd + g_dbl.e.dd));
151  CHECK( res_dbl.e.ff == (e_dbl.b + f_dbl.ff + g_dbl.e.ff));
152
153  CHECK(ffi_prep_closure(pcl, &cif, cls_struct_combined_gn, NULL) == FFI_OK);
154
155  res_dbl = ((cls_struct_combined(*)(cls_struct_16byte1,
156				     cls_struct_16byte2,
157				     cls_struct_combined,
158				     cls_struct_16byte1))
159	     (pcl))(e_dbl, f_dbl, g_dbl, h_dbl);
160  /* { dg-output "\n9 2 6 1 2 3 4 5 6 3 1 8 3 2 4: 15 10 13 10 12 13" } */
161  CHECK( res_dbl.d.a == (e_dbl.a + f_dbl.dd + g_dbl.d.a));
162  CHECK( res_dbl.d.b == (e_dbl.b + f_dbl.ff + g_dbl.d.b));
163  CHECK( res_dbl.d.c == (e_dbl.c + f_dbl.ii + g_dbl.d.c));
164  CHECK( res_dbl.e.ii == (e_dbl.c + f_dbl.ii + g_dbl.e.ii));
165  CHECK( res_dbl.e.dd == (e_dbl.a + f_dbl.dd + g_dbl.e.dd));
166  CHECK( res_dbl.e.ff == (e_dbl.b + f_dbl.ff + g_dbl.e.ff));
167  //  CHECK( 1 == 0);
168  exit(0);
169}
170