1/* Area:	ffi_call, closure_call
2   Purpose:	Check structure alignment of long double.
3   Limitations:	none.
4   PR:		none.
5   Originator:	<hos@tamanegi.org> 20031203	 */
6
7/* { dg-do run } */
8
9#include "ffitest.h"
10
11typedef struct cls_struct_align {
12  unsigned char a;
13  long double b;
14  unsigned char c;
15} cls_struct_align;
16
17cls_struct_align cls_struct_align_fn(struct cls_struct_align a1,
18			    struct cls_struct_align a2)
19{
20  struct cls_struct_align result;
21
22  result.a = a1.a + a2.a;
23  result.b = a1.b + a2.b;
24  result.c = a1.c + a2.c;
25
26  printf("%d %g %d %d %g %d: %d %g %d\n", a1.a, (double)a1.b, a1.c, a2.a, (double)a2.b, a2.c, result.a, (double)result.b, result.c);
27
28  return  result;
29}
30
31static void
32cls_struct_align_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
33		    void* userdata __UNUSED__)
34{
35
36  struct cls_struct_align a1, a2;
37
38  a1 = *(struct cls_struct_align*)(args[0]);
39  a2 = *(struct cls_struct_align*)(args[1]);
40
41  *(cls_struct_align*)resp = cls_struct_align_fn(a1, a2);
42}
43
44int main (void)
45{
46  ffi_cif cif;
47  void *code;
48  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
49  void* args_dbl[5];
50  ffi_type* cls_struct_fields[4];
51  ffi_type cls_struct_type;
52  ffi_type* dbl_arg_types[5];
53
54  struct cls_struct_align g_dbl = { 12, 4951, 127 };
55  struct cls_struct_align f_dbl = { 1, 9320, 13 };
56  struct cls_struct_align res_dbl;
57
58  cls_struct_type.size = 0;
59  cls_struct_type.alignment = 0;
60  cls_struct_type.type = FFI_TYPE_STRUCT;
61  cls_struct_type.elements = cls_struct_fields;
62
63  cls_struct_fields[0] = &ffi_type_uchar;
64  cls_struct_fields[1] = &ffi_type_longdouble;
65  cls_struct_fields[2] = &ffi_type_uchar;
66  cls_struct_fields[3] = NULL;
67
68  dbl_arg_types[0] = &cls_struct_type;
69  dbl_arg_types[1] = &cls_struct_type;
70  dbl_arg_types[2] = NULL;
71
72  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
73		     dbl_arg_types) == FFI_OK);
74
75  args_dbl[0] = &g_dbl;
76  args_dbl[1] = &f_dbl;
77  args_dbl[2] = NULL;
78
79  ffi_call(&cif, FFI_FN(cls_struct_align_fn), &res_dbl, args_dbl);
80  /* { dg-output "12 4951 127 1 9320 13: 13 14271 140" } */
81  printf("res: %d %g %d\n", res_dbl.a, (double)res_dbl.b, res_dbl.c);
82  /* { dg-output "\nres: 13 14271 140" } */
83
84  CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_align_gn, NULL, code) == FFI_OK);
85
86  res_dbl = ((cls_struct_align(*)(cls_struct_align, cls_struct_align))(code))(g_dbl, f_dbl);
87  /* { dg-output "\n12 4951 127 1 9320 13: 13 14271 140" } */
88  printf("res: %d %g %d\n", res_dbl.a, (double)res_dbl.b, res_dbl.c);
89  /* { dg-output "\nres: 13 14271 140" } */
90
91  exit(0);
92}
93