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> 20050708	 */
7
8/* { dg-do run } */
9#include "ffitest.h"
10
11typedef struct cls_struct_7byte {
12  unsigned char a;
13  unsigned char b;
14  unsigned char c;
15  unsigned char d;
16  unsigned char e;
17  unsigned char f;
18  unsigned char g;
19} cls_struct_7byte;
20
21cls_struct_7byte cls_struct_7byte_fn(struct cls_struct_7byte a1,
22			    struct cls_struct_7byte a2)
23{
24  struct cls_struct_7byte result;
25
26  result.a = a1.a + a2.a;
27  result.b = a1.b + a2.b;
28  result.c = a1.c + a2.c;
29  result.d = a1.d + a2.d;
30  result.e = a1.e + a2.e;
31  result.f = a1.f + a2.f;
32  result.g = a1.g + a2.g;
33
34  printf("%d %d %d %d %d %d %d %d %d %d %d %d %d %d: %d %d %d %d %d %d %d\n",
35	 a1.a, a1.b, a1.c, a1.d, a1.e, a1.f, a1.g,
36	 a2.a, a2.b, a2.c, a2.d, a2.e, a2.f, a2.g,
37	 result.a, result.b, result.c, result.d, result.e, result.f, result.g);
38
39  return  result;
40}
41
42static void
43cls_struct_7byte_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
44		    void* userdata __UNUSED__)
45{
46
47  struct cls_struct_7byte a1, a2;
48
49  a1 = *(struct cls_struct_7byte*)(args[0]);
50  a2 = *(struct cls_struct_7byte*)(args[1]);
51
52  *(cls_struct_7byte*)resp = cls_struct_7byte_fn(a1, a2);
53}
54
55int main (void)
56{
57  ffi_cif cif;
58  void *code;
59  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
60  void* args_dbl[5];
61  ffi_type* cls_struct_fields[8];
62  ffi_type cls_struct_type;
63  ffi_type* dbl_arg_types[5];
64
65  struct cls_struct_7byte g_dbl = { 127, 120, 1, 3, 4, 5, 6 };
66  struct cls_struct_7byte f_dbl = { 12, 128, 9, 3, 4, 5, 6 };
67  struct cls_struct_7byte res_dbl = { 0, 0, 0, 0, 0, 0, 0 };
68
69  cls_struct_type.size = 0;
70  cls_struct_type.alignment = 0;
71  cls_struct_type.type = FFI_TYPE_STRUCT;
72  cls_struct_type.elements = cls_struct_fields;
73
74  cls_struct_fields[0] = &ffi_type_uchar;
75  cls_struct_fields[1] = &ffi_type_uchar;
76  cls_struct_fields[2] = &ffi_type_uchar;
77  cls_struct_fields[3] = &ffi_type_uchar;
78  cls_struct_fields[4] = &ffi_type_uchar;
79  cls_struct_fields[5] = &ffi_type_uchar;
80  cls_struct_fields[6] = &ffi_type_uchar;
81  cls_struct_fields[7] = NULL;
82
83  dbl_arg_types[0] = &cls_struct_type;
84  dbl_arg_types[1] = &cls_struct_type;
85  dbl_arg_types[2] = NULL;
86
87  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
88		     dbl_arg_types) == FFI_OK);
89
90  args_dbl[0] = &g_dbl;
91  args_dbl[1] = &f_dbl;
92  args_dbl[2] = NULL;
93
94  ffi_call(&cif, FFI_FN(cls_struct_7byte_fn), &res_dbl, args_dbl);
95  /* { dg-output "127 120 1 3 4 5 6 12 128 9 3 4 5 6: 139 248 10 6 8 10 12" } */
96  printf("res: %d %d %d %d %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c,
97	 res_dbl.d, res_dbl.e, res_dbl.f, res_dbl.g);
98  /* { dg-output "\nres: 139 248 10 6 8 10 12" } */
99
100  res_dbl.a = 0;
101  res_dbl.b = 0;
102  res_dbl.c = 0;
103  res_dbl.d = 0;
104  res_dbl.e = 0;
105  res_dbl.f = 0;
106  res_dbl.g = 0;
107
108  CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_7byte_gn, NULL, code) == FFI_OK);
109
110  res_dbl = ((cls_struct_7byte(*)(cls_struct_7byte, cls_struct_7byte))(code))(g_dbl, f_dbl);
111  /* { dg-output "\n127 120 1 3 4 5 6 12 128 9 3 4 5 6: 139 248 10 6 8 10 12" } */
112  printf("res: %d %d %d %d %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c,
113	 res_dbl.d, res_dbl.e, res_dbl.f, res_dbl.g);
114  /* { dg-output "\nres: 139 248 10 6 8 10 12" } */
115
116  exit(0);
117}
118