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 { xfail mips*-*-* arm*-*-* strongarm*-*-* xscale*-*-* } } */
9#include "ffitest.h"
10
11typedef struct cls_struct_24byte {
12  double a;
13  double b;
14  int c;
15  float d;
16} cls_struct_24byte;
17
18cls_struct_24byte cls_struct_24byte_fn(struct cls_struct_24byte b0,
19			    struct cls_struct_24byte b1,
20			    struct cls_struct_24byte b2,
21			    struct cls_struct_24byte b3)
22{
23  struct cls_struct_24byte result;
24
25  result.a = b0.a + b1.a + b2.a + b3.a;
26  result.b = b0.b + b1.b + b2.b + b3.b;
27  result.c = b0.c + b1.c + b2.c + b3.c;
28  result.d = b0.d + b1.d + b2.d + b3.d;
29
30  printf("%g %g %d %g %g %g %d %g %g %g %d %g %g %g %d %g: %g %g %d %g\n",
31	 b0.a, b0.b, b0.c, b0.d,
32	 b1.a, b1.b, b1.c, b1.d,
33	 b2.a, b2.b, b2.c, b2.d,
34	 b3.a, b3.b, b3.c, b2.d,
35	 result.a, result.b, result.c, result.d);
36
37  return result;
38}
39
40static void
41cls_struct_24byte_gn(ffi_cif* cif, void* resp, void** args, void* userdata)
42{
43  struct cls_struct_24byte b0, b1, b2, b3;
44
45  b0 = *(struct cls_struct_24byte*)(args[0]);
46  b1 = *(struct cls_struct_24byte*)(args[1]);
47  b2 = *(struct cls_struct_24byte*)(args[2]);
48  b3 = *(struct cls_struct_24byte*)(args[3]);
49
50  *(cls_struct_24byte*)resp = cls_struct_24byte_fn(b0, b1, b2, b3);
51}
52
53int main (void)
54{
55  ffi_cif cif;
56#ifndef USING_MMAP
57  static ffi_closure cl;
58#endif
59  ffi_closure *pcl;
60  void* args_dbl[5];
61  ffi_type* cls_struct_fields[5];
62  ffi_type cls_struct_type;
63  ffi_type* dbl_arg_types[5];
64
65#ifdef USING_MMAP
66  pcl = allocate_mmap (sizeof(ffi_closure));
67#else
68  pcl = &cl;
69#endif
70
71  cls_struct_type.size = 0;
72  cls_struct_type.alignment = 0;
73  cls_struct_type.type = FFI_TYPE_STRUCT;
74  cls_struct_type.elements = cls_struct_fields;
75
76  struct cls_struct_24byte e_dbl = { 9.0, 2.0, 6, 5.0 };
77  struct cls_struct_24byte f_dbl = { 1.0, 2.0, 3, 7.0 };
78  struct cls_struct_24byte g_dbl = { 4.0, 5.0, 7, 9.0 };
79  struct cls_struct_24byte h_dbl = { 8.0, 6.0, 1, 4.0 };
80  struct cls_struct_24byte res_dbl;
81
82  cls_struct_fields[0] = &ffi_type_double;
83  cls_struct_fields[1] = &ffi_type_double;
84  cls_struct_fields[2] = &ffi_type_uint32;
85  cls_struct_fields[3] = &ffi_type_float;
86  cls_struct_fields[4] = NULL;
87
88  dbl_arg_types[0] = &cls_struct_type;
89  dbl_arg_types[1] = &cls_struct_type;
90  dbl_arg_types[2] = &cls_struct_type;
91  dbl_arg_types[3] = &cls_struct_type;
92  dbl_arg_types[4] = NULL;
93
94  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 4, &cls_struct_type,
95		     dbl_arg_types) == FFI_OK);
96
97  args_dbl[0] = &e_dbl;
98  args_dbl[1] = &f_dbl;
99  args_dbl[2] = &g_dbl;
100  args_dbl[3] = &h_dbl;
101  args_dbl[4] = NULL;
102
103  ffi_call(&cif, FFI_FN(cls_struct_24byte_fn), &res_dbl, args_dbl);
104  /* { dg-output "9 2 6 5 1 2 3 7 4 5 7 9 8 6 1 9: 22 15 17 25" } */
105  printf("res: %g %g %d %g\n", res_dbl.a, res_dbl.b, res_dbl.c, res_dbl.d);
106  /* { dg-output "\nres: 22 15 17 25" } */
107
108  CHECK(ffi_prep_closure(pcl, &cif, cls_struct_24byte_gn, NULL) == FFI_OK);
109
110  res_dbl = ((cls_struct_24byte(*)(cls_struct_24byte,
111				   cls_struct_24byte,
112				   cls_struct_24byte,
113				   cls_struct_24byte))
114	     (pcl))(e_dbl, f_dbl, g_dbl, h_dbl);
115  /* { dg-output "\n9 2 6 5 1 2 3 7 4 5 7 9 8 6 1 9: 22 15 17 25" } */
116  printf("res: %g %g %d %g\n", res_dbl.a, res_dbl.b, res_dbl.c, res_dbl.d);
117  /* { dg-output "\nres: 22 15 17 25" } */
118
119  exit(0);
120}
121