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_7byte {
12  unsigned short a;
13  unsigned short b;
14  unsigned char c;
15  unsigned short d;
16} cls_struct_7byte;
17
18cls_struct_7byte cls_struct_7byte_fn(struct cls_struct_7byte a1,
19			    struct cls_struct_7byte a2)
20{
21  struct cls_struct_7byte result;
22
23  result.a = a1.a + a2.a;
24  result.b = a1.b + a2.b;
25  result.c = a1.c + a2.c;
26  result.d = a1.d + a2.d;
27
28  printf("%d %d %d %d %d %d %d %d: %d %d %d %d\n", a1.a, a1.b, a1.c, a1.d,
29	 a2.a, a2.b, a2.c, a2.d,
30	 result.a, result.b, result.c, result.d);
31
32  return  result;
33}
34
35static void
36cls_struct_7byte_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
37		    void* userdata __UNUSED__)
38{
39
40  struct cls_struct_7byte a1, a2;
41
42  a1 = *(struct cls_struct_7byte*)(args[0]);
43  a2 = *(struct cls_struct_7byte*)(args[1]);
44
45  *(cls_struct_7byte*)resp = cls_struct_7byte_fn(a1, a2);
46}
47
48int main (void)
49{
50  ffi_cif cif;
51#ifndef USING_MMAP
52  static ffi_closure cl;
53#endif
54  ffi_closure *pcl;
55  void* args_dbl[5];
56  ffi_type* cls_struct_fields[5];
57  ffi_type cls_struct_type;
58  ffi_type* dbl_arg_types[5];
59
60#ifdef USING_MMAP
61  pcl = allocate_mmap (sizeof(ffi_closure));
62#else
63  pcl = &cl;
64#endif
65
66  cls_struct_type.size = 0;
67  cls_struct_type.alignment = 0;
68  cls_struct_type.type = FFI_TYPE_STRUCT;
69  cls_struct_type.elements = cls_struct_fields;
70
71  struct cls_struct_7byte g_dbl = { 127, 120, 1, 254 };
72  struct cls_struct_7byte f_dbl = { 12, 128, 9, 255 };
73  struct cls_struct_7byte res_dbl;
74
75  cls_struct_fields[0] = &ffi_type_ushort;
76  cls_struct_fields[1] = &ffi_type_ushort;
77  cls_struct_fields[2] = &ffi_type_uchar;
78  cls_struct_fields[3] = &ffi_type_ushort;
79  cls_struct_fields[4] = NULL;
80
81  dbl_arg_types[0] = &cls_struct_type;
82  dbl_arg_types[1] = &cls_struct_type;
83  dbl_arg_types[2] = NULL;
84
85  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
86		     dbl_arg_types) == FFI_OK);
87
88  args_dbl[0] = &g_dbl;
89  args_dbl[1] = &f_dbl;
90  args_dbl[2] = NULL;
91
92  ffi_call(&cif, FFI_FN(cls_struct_7byte_fn), &res_dbl, args_dbl);
93  /* { dg-output "127 120 1 254 12 128 9 255: 139 248 10 509" } */
94  printf("res: %d %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c, res_dbl.d);
95  /* { dg-output "\nres: 139 248 10 509" } */
96
97  CHECK(ffi_prep_closure(pcl, &cif, cls_struct_7byte_gn, NULL) == FFI_OK);
98
99  res_dbl = ((cls_struct_7byte(*)(cls_struct_7byte, cls_struct_7byte))(pcl))(g_dbl, f_dbl);
100  /* { dg-output "\n127 120 1 254 12 128 9 255: 139 248 10 509" } */
101  printf("res: %d %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c, res_dbl.d);
102  /* { dg-output "\nres: 139 248 10 509" } */
103
104  exit(0);
105}
106