1/* Area:	ffi_call, closure_call
2   Purpose:	Check structure passing with different structure size.
3   Limitations:	none.
4   PR:		none.
5   Originator:	<andreast@gcc.gnu.org> 20030828	 */
6
7/* { dg-do run } */
8#include "ffitest.h"
9
10typedef struct cls_struct_12byte {
11  int a;
12  int b;
13  int c;
14} cls_struct_12byte;
15
16cls_struct_12byte cls_struct_12byte_fn(struct cls_struct_12byte b1,
17			    struct cls_struct_12byte b2)
18{
19  struct cls_struct_12byte result;
20
21  result.a = b1.a + b2.a;
22  result.b = b1.b + b2.b;
23  result.c = b1.c + b2.c;
24
25  printf("%d %d %d %d %d %d: %d %d %d\n", b1.a, b1.b, b1.c, b2.a, b2.b, b2.c,
26	 result.a, result.b, result.c);
27
28  return result;
29}
30
31static void cls_struct_12byte_gn(ffi_cif* cif __UNUSED__, void* resp,
32				 void** args , void* userdata __UNUSED__)
33{
34  struct cls_struct_12byte b1, b2;
35
36  b1 = *(struct cls_struct_12byte*)(args[0]);
37  b2 = *(struct cls_struct_12byte*)(args[1]);
38
39  *(cls_struct_12byte*)resp = cls_struct_12byte_fn(b1, b2);
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_12byte h_dbl = { 7, 4, 9 };
66  struct cls_struct_12byte j_dbl = { 1, 5, 3 };
67  struct cls_struct_12byte res_dbl;
68
69  cls_struct_fields[0] = &ffi_type_sint;
70  cls_struct_fields[1] = &ffi_type_sint;
71  cls_struct_fields[2] = &ffi_type_sint;
72  cls_struct_fields[3] = NULL;
73
74  dbl_arg_types[0] = &cls_struct_type;
75  dbl_arg_types[1] = &cls_struct_type;
76  dbl_arg_types[2] = NULL;
77
78  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
79		     dbl_arg_types) == FFI_OK);
80
81  args_dbl[0] = &h_dbl;
82  args_dbl[1] = &j_dbl;
83  args_dbl[2] = NULL;
84
85  ffi_call(&cif, FFI_FN(cls_struct_12byte_fn), &res_dbl, args_dbl);
86  /* { dg-output "7 4 9 1 5 3: 8 9 12" } */
87  printf("res: %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c);
88  /* { dg-output "\nres: 8 9 12" } */
89
90  CHECK(ffi_prep_closure(pcl, &cif, cls_struct_12byte_gn, NULL) == FFI_OK);
91
92  res_dbl.a = 0;
93  res_dbl.b = 0;
94  res_dbl.c = 0;
95
96  res_dbl = ((cls_struct_12byte(*)(cls_struct_12byte, cls_struct_12byte))(pcl))(h_dbl, j_dbl);
97  /* { dg-output "\n7 4 9 1 5 3: 8 9 12" } */
98  printf("res: %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c);
99  /* { dg-output "\nres: 8 9 12" } */
100
101  exit(0);
102}
103