summaryrefslogtreecommitdiff
path: root/jni/ruby/ext/fiddle/libffi-3.2.1/testsuite/libffi.call/cls_19byte.c
blob: 278794b5b8773039a5b1d7a9c9ddcc378f98bc27 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
/* Area:        ffi_call, closure_call
   Purpose:     Check structure passing with different structure size.
                Depending on the ABI. Double alignment check on darwin.
   Limitations: none.
   PR:          none.
   Originator:  <andreast@gcc.gnu.org> 20030915  */

/* { dg-do run } */
#include "ffitest.h"

typedef struct cls_struct_19byte {
  double a;
  unsigned char b;
  unsigned char c;
  double d;
  unsigned char e;
} cls_struct_19byte;

cls_struct_19byte cls_struct_19byte_fn(struct cls_struct_19byte a1,
                            struct cls_struct_19byte a2)
{
  struct cls_struct_19byte result;

  result.a = a1.a + a2.a;
  result.b = a1.b + a2.b;
  result.c = a1.c + a2.c;
  result.d = a1.d + a2.d;
  result.e = a1.e + a2.e;


  printf("%g %d %d %g %d %g %d %d %g %d%g %d %d %g %d\n",
         a1.a, a1.b, a1.c, a1.d, a1.e,
         a2.a, a2.b, a2.c, a2.d, a2.e,
         result.a, result.b, result.c, result.d, result.e);
  return result;
}

static void
cls_struct_19byte_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
                     void* userdata __UNUSED__)
{
  struct cls_struct_19byte a1, a2;

  a1 = *(struct cls_struct_19byte*)(args[0]);
  a2 = *(struct cls_struct_19byte*)(args[1]);

  *(cls_struct_19byte*)resp = cls_struct_19byte_fn(a1, a2);
}

int main (void)
{
  ffi_cif cif;
  void *code;
  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
  void* args_dbl[3];
  ffi_type* cls_struct_fields[6];
  ffi_type cls_struct_type;
  ffi_type* dbl_arg_types[3];

  struct cls_struct_19byte g_dbl = { 1.01271263.0120 };
  struct cls_struct_19byte f_dbl = { 4.01251245.0119 };
  struct cls_struct_19byte res_dbl;

  cls_struct_type.size = 0;
  cls_struct_type.alignment = 0;
  cls_struct_type.type = FFI_TYPE_STRUCT;
  cls_struct_type.elements = cls_struct_fields;

  cls_struct_fields[0] = &ffi_type_double;
  cls_struct_fields[1] = &ffi_type_uchar;
  cls_struct_fields[2] = &ffi_type_uchar;
  cls_struct_fields[3] = &ffi_type_double;
  cls_struct_fields[4] = &ffi_type_uchar;
  cls_struct_fields[5] = NULL;

  dbl_arg_types[0] = &cls_struct_type;
  dbl_arg_types[1] = &cls_struct_type;
  dbl_arg_types[2] = NULL;

  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
                     dbl_arg_types) == FFI_OK);

  args_dbl[0] = &g_dbl;
  args_dbl[1] = &f_dbl;
  args_dbl[2] = NULL;

  ffi_call(&cif, FFI_FN(cls_struct_19byte_fn), &res_dbl, args_dbl);
  /* { dg-output "1 127 126 3 120 4 125 124 5 119: 5 252 250 8 239" } */
  printf("res: %g %d %d %g %d\n", res_dbl.a, res_dbl.b, res_dbl.c,
         res_dbl.d, res_dbl.e);
  /* { dg-output "\nres: 5 252 250 8 239" } */

  CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_19byte_gn, NULL, code) == FFI_OK);

  res_dbl = ((cls_struct_19byte(*)(cls_struct_19byte, cls_struct_19byte))(code))(g_dbl, f_dbl);
  /* { dg-output "\n1 127 126 3 120 4 125 124 5 119: 5 252 250 8 239" } */
  printf("res: %g %d %d %g %d\n", res_dbl.a, res_dbl.b, res_dbl.c,
         res_dbl.d, res_dbl.e);
  /* { dg-output "\nres: 5 252 250 8 239" } */

  exit(0);
}