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
9
10/* { dg-do run } */
11#include "ffitest.h"
12
13typedef struct cls_struct_20byte {
14  int a;
15  double b;
16  double c;
17} cls_struct_20byte;
18
19cls_struct_20byte cls_struct_20byte_fn(struct cls_struct_20byte a1,
20			    struct cls_struct_20byte a2)
21{
22  struct cls_struct_20byte result;
23
24  result.a = a1.a + a2.a;
25  result.b = a1.b + a2.b;
26  result.c = a1.c + a2.c;
27
28  printf("%d %g %g %d %g %g: %d %g %g\n", a1.a, a1.b, a1.c, a2.a, a2.b, a2.c,
29	 result.a, result.b, result.c);
30  return result;
31}
32
33static void
34cls_struct_20byte_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
35		     void* userdata __UNUSED__)
36{
37  struct cls_struct_20byte a1, a2;
38
39  a1 = *(struct cls_struct_20byte*)(args[0]);
40  a2 = *(struct cls_struct_20byte*)(args[1]);
41
42  *(cls_struct_20byte*)resp = cls_struct_20byte_fn(a1, a2);
43}
44
45int main (void)
46{
47  ffi_cif cif;
48  void *code;
49  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
50  void* args_dbl[3];
51  ffi_type* cls_struct_fields[4];
52  ffi_type cls_struct_type;
53  ffi_type* dbl_arg_types[3];
54
55  struct cls_struct_20byte g_dbl = { 1, 2.0, 3.0 };
56  struct cls_struct_20byte f_dbl = { 4, 5.0, 7.0 };
57  struct cls_struct_20byte res_dbl;
58
59  cls_struct_type.size = 0;
60  cls_struct_type.alignment = 0;
61  cls_struct_type.type = FFI_TYPE_STRUCT;
62  cls_struct_type.elements = cls_struct_fields;
63
64  cls_struct_fields[0] = &ffi_type_sint;
65  cls_struct_fields[1] = &ffi_type_double;
66  cls_struct_fields[2] = &ffi_type_double;
67  cls_struct_fields[3] = NULL;
68
69  dbl_arg_types[0] = &cls_struct_type;
70  dbl_arg_types[1] = &cls_struct_type;
71  dbl_arg_types[2] = NULL;
72
73  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
74		     dbl_arg_types) == FFI_OK);
75
76  args_dbl[0] = &g_dbl;
77  args_dbl[1] = &f_dbl;
78  args_dbl[2] = NULL;
79
80  ffi_call(&cif, FFI_FN(cls_struct_20byte_fn), &res_dbl, args_dbl);
81  /* { dg-output "1 2 3 4 5 7: 5 7 10" } */
82  printf("res: %d %g %g\n", res_dbl.a, res_dbl.b, res_dbl.c);
83  /* { dg-output "\nres: 5 7 10" } */
84
85  CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_20byte_gn, NULL, code) == FFI_OK);
86
87  res_dbl = ((cls_struct_20byte(*)(cls_struct_20byte, cls_struct_20byte))(code))(g_dbl, f_dbl);
88  /* { dg-output "\n1 2 3 4 5 7: 5 7 10" } */
89  printf("res: %d %g %g\n", res_dbl.a, res_dbl.b, res_dbl.c);
90  /* { dg-output "\nres: 5 7 10" } */
91
92  exit(0);
93}
94