1/* Area:	ffi_call, closure_call
2   Purpose:	Check structure passing with different structure size.
3		Depending on the ABI. Check overlapping.
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_16byte {
12  int a;
13  double b;
14  int c;
15} cls_struct_16byte;
16
17cls_struct_16byte cls_struct_16byte_fn(struct cls_struct_16byte b1,
18			    struct cls_struct_16byte b2)
19{
20  struct cls_struct_16byte result;
21
22  result.a = b1.a + b2.a;
23  result.b = b1.b + b2.b;
24  result.c = b1.c + b2.c;
25
26  printf("%d %g %d %d %g %d: %d %g %d\n", b1.a, b1.b, b1.c, b2.a, b2.b, b2.c,
27	 result.a, result.b, result.c);
28
29  return result;
30}
31
32static void cls_struct_16byte_gn(ffi_cif* cif __UNUSED__, void* resp,
33				 void** args, void* userdata __UNUSED__)
34{
35  struct cls_struct_16byte b1, b2;
36
37  b1 = *(struct cls_struct_16byte*)(args[0]);
38  b2 = *(struct cls_struct_16byte*)(args[1]);
39
40  *(cls_struct_16byte*)resp = cls_struct_16byte_fn(b1, b2);
41}
42
43int main (void)
44{
45  ffi_cif cif;
46#ifndef USING_MMAP
47  static ffi_closure cl;
48#endif
49  ffi_closure *pcl;
50  void* args_dbl[5];
51  ffi_type* cls_struct_fields[4];
52  ffi_type cls_struct_type;
53  ffi_type* dbl_arg_types[5];
54
55#ifdef USING_MMAP
56  pcl = allocate_mmap (sizeof(ffi_closure));
57#else
58  pcl = &cl;
59#endif
60
61  cls_struct_type.size = 0;
62  cls_struct_type.alignment = 0;
63  cls_struct_type.type = FFI_TYPE_STRUCT;
64  cls_struct_type.elements = cls_struct_fields;
65
66  struct cls_struct_16byte h_dbl = { 7, 8.0, 9 };
67  struct cls_struct_16byte j_dbl = { 1, 9.0, 3 };
68  struct cls_struct_16byte res_dbl;
69
70  cls_struct_fields[0] = &ffi_type_sint;
71  cls_struct_fields[1] = &ffi_type_double;
72  cls_struct_fields[2] = &ffi_type_sint;
73  cls_struct_fields[3] = NULL;
74
75  dbl_arg_types[0] = &cls_struct_type;
76  dbl_arg_types[1] = &cls_struct_type;
77  dbl_arg_types[2] = NULL;
78
79  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
80		     dbl_arg_types) == FFI_OK);
81
82  args_dbl[0] = &h_dbl;
83  args_dbl[1] = &j_dbl;
84  args_dbl[2] = NULL;
85
86  ffi_call(&cif, FFI_FN(cls_struct_16byte_fn), &res_dbl, args_dbl);
87  /* { dg-output "7 8 9 1 9 3: 8 17 12" } */
88  printf("res: %d %g %d\n", res_dbl.a, res_dbl.b, res_dbl.c);
89  /* { dg-output "\nres: 8 17 12" } */
90
91  res_dbl.a = 0;
92  res_dbl.b = 0.0;
93  res_dbl.c = 0;
94
95  CHECK(ffi_prep_closure(pcl, &cif, cls_struct_16byte_gn, NULL) == FFI_OK);
96
97  res_dbl = ((cls_struct_16byte(*)(cls_struct_16byte, cls_struct_16byte))(pcl))(h_dbl, j_dbl);
98  /* { dg-output "\n7 8 9 1 9 3: 8 17 12" } */
99  printf("res: %d %g %d\n", res_dbl.a, res_dbl.b, res_dbl.c);
100  /* { dg-output "\nres: 8 17 12" } */
101
102  exit(0);
103}
104