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_8byte {
12  int a;
13  float b;
14} cls_struct_8byte;
15
16cls_struct_8byte cls_struct_8byte_fn(struct cls_struct_8byte a1,
17			    struct cls_struct_8byte a2)
18{
19  struct cls_struct_8byte result;
20
21  result.a = a1.a + a2.a;
22  result.b = a1.b + a2.b;
23
24  printf("%d %g %d %g: %d %g\n", a1.a, a1.b, a2.a, a2.b, result.a, result.b);
25
26  return  result;
27}
28
29static void
30cls_struct_8byte_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
31		    void* userdata __UNUSED__)
32{
33
34  struct cls_struct_8byte a1, a2;
35
36  a1 = *(struct cls_struct_8byte*)(args[0]);
37  a2 = *(struct cls_struct_8byte*)(args[1]);
38
39  *(cls_struct_8byte*)resp = cls_struct_8byte_fn(a1, a2);
40}
41
42int main (void)
43{
44  ffi_cif cif;
45#ifndef USING_MMAP
46  static ffi_closure cl;
47#endif
48  ffi_closure *pcl;
49  void* args_dbl[5];
50  ffi_type* cls_struct_fields[4];
51  ffi_type cls_struct_type;
52  ffi_type* dbl_arg_types[5];
53
54#ifdef USING_MMAP
55  pcl = allocate_mmap (sizeof(ffi_closure));
56#else
57  pcl = &cl;
58#endif
59
60  cls_struct_type.size = 0;
61  cls_struct_type.alignment = 0;
62  cls_struct_type.type = FFI_TYPE_STRUCT;
63  cls_struct_type.elements = cls_struct_fields;
64
65  struct cls_struct_8byte g_dbl = { 1, 2.0 };
66  struct cls_struct_8byte f_dbl = { 4, 5.0 };
67  struct cls_struct_8byte res_dbl;
68
69  cls_struct_fields[0] = &ffi_type_sint;
70  cls_struct_fields[1] = &ffi_type_float;
71  cls_struct_fields[2] = NULL;
72
73  dbl_arg_types[0] = &cls_struct_type;
74  dbl_arg_types[1] = &cls_struct_type;
75  dbl_arg_types[2] = NULL;
76
77  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
78		     dbl_arg_types) == FFI_OK);
79
80  args_dbl[0] = &g_dbl;
81  args_dbl[1] = &f_dbl;
82  args_dbl[2] = NULL;
83
84  ffi_call(&cif, FFI_FN(cls_struct_8byte_fn), &res_dbl, args_dbl);
85  /* { dg-output "1 2 4 5: 5 7" } */
86  printf("res: %d %g\n", res_dbl.a, res_dbl.b);
87  /* { dg-output "\nres: 5 7" } */
88  CHECK(ffi_prep_closure(pcl, &cif, cls_struct_8byte_gn, NULL) == FFI_OK);
89
90  res_dbl = ((cls_struct_8byte(*)(cls_struct_8byte, cls_struct_8byte))(pcl))(g_dbl, f_dbl);
91  /* { dg-output "\n1 2 4 5: 5 7" } */
92  printf("res: %d %g\n", res_dbl.a, res_dbl.b);
93  /* { dg-output "\nres: 5 7" } */
94
95  exit(0);
96}
97