1/* Area:	ffi_call, closure_call
2   Purpose:	Check structure passing with different structure size.
3		Depending on the ABI. Darwin/AIX do double-word
4		alignment of the struct if the first element is a double.
5		Check that it does here.
6   Limitations:	none.
7   PR:		none.
8   Originator:	<andreast@gcc.gnu.org> 20030914	 */
9
10/* { dg-do run } */
11#include "ffitest.h"
12
13typedef struct cls_struct_9byte {
14  double a;
15  int b;
16} cls_struct_9byte;
17
18cls_struct_9byte cls_struct_9byte_fn(struct cls_struct_9byte b1,
19			    struct cls_struct_9byte b2)
20{
21  struct cls_struct_9byte result;
22
23  result.a = b1.a + b2.a;
24  result.b = b1.b + b2.b;
25
26  printf("%g %d %g %d: %g %d\n", b1.a, b1.b,  b2.a, b2.b,
27	 result.a, result.b);
28
29  return result;
30}
31
32static void cls_struct_9byte_gn(ffi_cif* cif __UNUSED__, void* resp,
33				void** args, void* userdata __UNUSED__)
34{
35  struct cls_struct_9byte b1, b2;
36
37  b1 = *(struct cls_struct_9byte*)(args[0]);
38  b2 = *(struct cls_struct_9byte*)(args[1]);
39
40  *(cls_struct_9byte*)resp = cls_struct_9byte_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[3];
51  ffi_type* cls_struct_fields[3];
52  ffi_type cls_struct_type;
53  ffi_type* dbl_arg_types[3];
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_9byte h_dbl = { 7.0, 8};
67  struct cls_struct_9byte j_dbl = { 1.0, 9};
68  struct cls_struct_9byte res_dbl;
69
70  cls_struct_fields[0] = &ffi_type_double;
71  cls_struct_fields[1] = &ffi_type_sint;
72  cls_struct_fields[2] = 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_9byte_fn), &res_dbl, args_dbl);
86  /* { dg-output "7 8 1 9: 8 17" } */
87  printf("res: %g %d\n", res_dbl.a, res_dbl.b);
88  /* { dg-output "\nres: 8 17" } */
89
90
91  CHECK(ffi_prep_closure(pcl, &cif, cls_struct_9byte_gn, NULL) == FFI_OK);
92
93  res_dbl = ((cls_struct_9byte(*)(cls_struct_9byte, cls_struct_9byte))(pcl))(h_dbl, j_dbl);
94  /* { dg-output "\n7 8 1 9: 8 17" } */
95  printf("res: %g %d\n", res_dbl.a, res_dbl.b);
96  /* { dg-output "\nres: 8 17" } */
97
98  exit(0);
99}
100