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_20byte {
12  double a;
13  double b;
14  int c;
15} cls_struct_20byte;
16
17cls_struct_20byte cls_struct_20byte_fn(struct cls_struct_20byte a1,
18			    struct cls_struct_20byte a2)
19{
20  struct cls_struct_20byte result;
21
22  result.a = a1.a + a2.a;
23  result.b = a1.b + a2.b;
24  result.c = a1.c + a2.c;
25
26  printf("%g %g %d %g %g %d: %g %g %d\n", a1.a, a1.b, a1.c, a2.a, a2.b, a2.c,
27	 result.a, result.b, result.c);
28  return result;
29}
30
31static void
32cls_struct_20byte_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
33		     void* userdata __UNUSED__)
34{
35  struct cls_struct_20byte a1, a2;
36
37  a1 = *(struct cls_struct_20byte*)(args[0]);
38  a2 = *(struct cls_struct_20byte*)(args[1]);
39
40  *(cls_struct_20byte*)resp = cls_struct_20byte_fn(a1, a2);
41}
42
43int main (void)
44{
45  ffi_cif cif;
46  void *code;
47  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
48  void* args_dbl[5];
49  ffi_type* cls_struct_fields[4];
50  ffi_type cls_struct_type;
51  ffi_type* dbl_arg_types[5];
52
53  struct cls_struct_20byte g_dbl = { 1.0, 2.0, 3 };
54  struct cls_struct_20byte f_dbl = { 4.0, 5.0, 7 };
55  struct cls_struct_20byte res_dbl;
56
57  cls_struct_type.size = 0;
58  cls_struct_type.alignment = 0;
59  cls_struct_type.type = FFI_TYPE_STRUCT;
60  cls_struct_type.elements = cls_struct_fields;
61
62  cls_struct_fields[0] = &ffi_type_double;
63  cls_struct_fields[1] = &ffi_type_double;
64  cls_struct_fields[2] = &ffi_type_sint;
65  cls_struct_fields[3] = NULL;
66
67  dbl_arg_types[0] = &cls_struct_type;
68  dbl_arg_types[1] = &cls_struct_type;
69  dbl_arg_types[2] = NULL;
70
71  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
72		     dbl_arg_types) == FFI_OK);
73
74  args_dbl[0] = &g_dbl;
75  args_dbl[1] = &f_dbl;
76  args_dbl[2] = NULL;
77
78  ffi_call(&cif, FFI_FN(cls_struct_20byte_fn), &res_dbl, args_dbl);
79  /* { dg-output "1 2 3 4 5 7: 5 7 10" } */
80  printf("res: %g %g %d\n", res_dbl.a, res_dbl.b, res_dbl.c);
81  /* { dg-output "\nres: 5 7 10" } */
82
83  CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_20byte_gn, NULL, code) == FFI_OK);
84
85  res_dbl = ((cls_struct_20byte(*)(cls_struct_20byte, cls_struct_20byte))(code))(g_dbl, f_dbl);
86  /* { dg-output "\n1 2 3 4 5 7: 5 7 10" } */
87  printf("res: %g %g %d\n", res_dbl.a, res_dbl.b, res_dbl.c);
88  /* { dg-output "\nres: 5 7 10" } */
89
90  exit(0);
91}
92