1/* Area:	ffi_call, closure_call
2   Purpose:	Check structure passing with different structure size.
3		Depending on the ABI. Double alignment check on darwin.
4   Limitations:	none.
5   PR:		none.
6   Originator:	<andreast@gcc.gnu.org> 20030915	 */
7
8/* { dg-do run } */
9#include "ffitest.h"
10
11typedef struct cls_struct_19byte {
12  double a;
13  unsigned char b;
14  unsigned char c;
15  double d;
16  unsigned char e;
17} cls_struct_19byte;
18
19cls_struct_19byte cls_struct_19byte_fn(struct cls_struct_19byte a1,
20			    struct cls_struct_19byte a2)
21{
22  struct cls_struct_19byte result;
23
24  result.a = a1.a + a2.a;
25  result.b = a1.b + a2.b;
26  result.c = a1.c + a2.c;
27  result.d = a1.d + a2.d;
28  result.e = a1.e + a2.e;
29
30
31  printf("%g %d %d %g %d %g %d %d %g %d: %g %d %d %g %d\n",
32	 a1.a, a1.b, a1.c, a1.d, a1.e,
33	 a2.a, a2.b, a2.c, a2.d, a2.e,
34	 result.a, result.b, result.c, result.d, result.e);
35  return result;
36}
37
38static void
39cls_struct_19byte_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
40		     void* userdata __UNUSED__)
41{
42  struct cls_struct_19byte a1, a2;
43
44  a1 = *(struct cls_struct_19byte*)(args[0]);
45  a2 = *(struct cls_struct_19byte*)(args[1]);
46
47  *(cls_struct_19byte*)resp = cls_struct_19byte_fn(a1, a2);
48}
49
50int main (void)
51{
52  ffi_cif cif;
53#ifndef USING_MMAP
54  static ffi_closure cl;
55#endif
56  ffi_closure *pcl;
57  void* args_dbl[3];
58  ffi_type* cls_struct_fields[6];
59  ffi_type cls_struct_type;
60  ffi_type* dbl_arg_types[3];
61
62#ifdef USING_MMAP
63  pcl = allocate_mmap (sizeof(ffi_closure));
64#else
65  pcl = &cl;
66#endif
67
68  cls_struct_type.size = 0;
69  cls_struct_type.alignment = 0;
70  cls_struct_type.type = FFI_TYPE_STRUCT;
71  cls_struct_type.elements = cls_struct_fields;
72
73  struct cls_struct_19byte g_dbl = { 1.0, 127, 126, 3.0, 120 };
74  struct cls_struct_19byte f_dbl = { 4.0, 125, 124, 5.0, 119 };
75  struct cls_struct_19byte res_dbl;
76
77  cls_struct_fields[0] = &ffi_type_double;
78  cls_struct_fields[1] = &ffi_type_uchar;
79  cls_struct_fields[2] = &ffi_type_uchar;
80  cls_struct_fields[3] = &ffi_type_double;
81  cls_struct_fields[4] = &ffi_type_uchar;
82  cls_struct_fields[5] = NULL;
83
84  dbl_arg_types[0] = &cls_struct_type;
85  dbl_arg_types[1] = &cls_struct_type;
86  dbl_arg_types[2] = NULL;
87
88  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
89		     dbl_arg_types) == FFI_OK);
90
91  args_dbl[0] = &g_dbl;
92  args_dbl[1] = &f_dbl;
93  args_dbl[2] = NULL;
94
95  ffi_call(&cif, FFI_FN(cls_struct_19byte_fn), &res_dbl, args_dbl);
96  /* { dg-output "1 127 126 3 120 4 125 124 5 119: 5 252 250 8 239" } */
97  printf("res: %g %d %d %g %d\n", res_dbl.a, res_dbl.b, res_dbl.c,
98	 res_dbl.d, res_dbl.e);
99  /* { dg-output "\nres: 5 252 250 8 239" } */
100
101  CHECK(ffi_prep_closure(pcl, &cif, cls_struct_19byte_gn, NULL) == FFI_OK);
102
103  res_dbl = ((cls_struct_19byte(*)(cls_struct_19byte, cls_struct_19byte))(pcl))(g_dbl, f_dbl);
104  /* { dg-output "\n1 127 126 3 120 4 125 124 5 119: 5 252 250 8 239" } */
105  printf("res: %g %d %d %g %d\n", res_dbl.a, res_dbl.b, res_dbl.c,
106	 res_dbl.d, res_dbl.e);
107  /* { dg-output "\nres: 5 252 250 8 239" } */
108
109  exit(0);
110}
111