1/* Area:	ffi_call, closure_call
2   Purpose:	Check structure alignment of uint16.
3   Limitations:	none.
4   PR:		none.
5   Originator:	<hos@tamanegi.org> 20031203	 */
6
7/* { dg-do run } */
8#include "ffitest.h"
9
10typedef struct cls_struct_align {
11  unsigned char a;
12  unsigned short b;
13  unsigned char c;
14} cls_struct_align;
15
16cls_struct_align cls_struct_align_fn(struct cls_struct_align a1,
17			    struct cls_struct_align a2)
18{
19  struct cls_struct_align result;
20
21  result.a = a1.a + a2.a;
22  result.b = a1.b + a2.b;
23  result.c = a1.c + a2.c;
24
25  printf("%d %d %d %d %d %d: %d %d %d\n", a1.a, a1.b, a1.c, a2.a, a2.b, a2.c, result.a, result.b, result.c);
26
27  return  result;
28}
29
30static void
31cls_struct_align_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
32		    void* userdata __UNUSED__)
33{
34
35  struct cls_struct_align a1, a2;
36
37  a1 = *(struct cls_struct_align*)(args[0]);
38  a2 = *(struct cls_struct_align*)(args[1]);
39
40  *(cls_struct_align*)resp = cls_struct_align_fn(a1, a2);
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_align g_dbl = { 12, 4951, 127 };
67  struct cls_struct_align f_dbl = { 1, 9320, 13 };
68  struct cls_struct_align res_dbl;
69
70  cls_struct_fields[0] = &ffi_type_uchar;
71  cls_struct_fields[1] = &ffi_type_ushort;
72  cls_struct_fields[2] = &ffi_type_uchar;
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] = &g_dbl;
83  args_dbl[1] = &f_dbl;
84  args_dbl[2] = NULL;
85
86  ffi_call(&cif, FFI_FN(cls_struct_align_fn), &res_dbl, args_dbl);
87  /* { dg-output "12 4951 127 1 9320 13: 13 14271 140" } */
88  printf("res: %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c);
89  /* { dg-output "\nres: 13 14271 140" } */
90
91  CHECK(ffi_prep_closure(pcl, &cif, cls_struct_align_gn, NULL) == FFI_OK);
92
93  res_dbl = ((cls_struct_align(*)(cls_struct_align, cls_struct_align))(pcl))(g_dbl, f_dbl);
94  /* { dg-output "\n12 4951 127 1 9320 13: 13 14271 140" } */
95  printf("res: %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c);
96  /* { dg-output "\nres: 13 14271 140" } */
97
98  exit(0);
99}
100