1/* Area:	ffi_call, closure_call
2   Purpose:	Check structure passing with different structure size.
3		Depending on the ABI. Check bigger struct which overlaps
4		the gp and fp register count on Darwin/AIX/ppc64.
5   Limitations:	none.
6   PR:		none.
7   Originator:	<andreast@gcc.gnu.org> 20030828	 */
8
9/* { dg-do run } */
10#include "ffitest.h"
11
12typedef struct cls_struct_64byte {
13  double a;
14  double b;
15  double c;
16  double d;
17  double e;
18  double f;
19  double g;
20  double h;
21} cls_struct_64byte;
22
23cls_struct_64byte cls_struct_64byte_fn(struct cls_struct_64byte b0,
24			    struct cls_struct_64byte b1,
25			    struct cls_struct_64byte b2,
26			    struct cls_struct_64byte b3)
27{
28  struct cls_struct_64byte result;
29
30  result.a = b0.a + b1.a + b2.a + b3.a;
31  result.b = b0.b + b1.b + b2.b + b3.b;
32  result.c = b0.c + b1.c + b2.c + b3.c;
33  result.d = b0.d + b1.d + b2.d + b3.d;
34  result.e = b0.e + b1.e + b2.e + b3.e;
35  result.f = b0.f + b1.f + b2.f + b3.f;
36  result.g = b0.g + b1.g + b2.g + b3.g;
37  result.h = b0.h + b1.h + b2.h + b3.h;
38
39  printf("%g %g %g %g %g %g %g %g\n", result.a, result.b, result.c,
40	 result.d, result.e, result.f, result.g, result.h);
41
42  return result;
43}
44
45static void
46cls_struct_64byte_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
47		     void* userdata __UNUSED__)
48{
49  struct cls_struct_64byte b0, b1, b2, b3;
50
51  b0 = *(struct cls_struct_64byte*)(args[0]);
52  b1 = *(struct cls_struct_64byte*)(args[1]);
53  b2 = *(struct cls_struct_64byte*)(args[2]);
54  b3 = *(struct cls_struct_64byte*)(args[3]);
55
56  *(cls_struct_64byte*)resp = cls_struct_64byte_fn(b0, b1, b2, b3);
57}
58
59int main (void)
60{
61  ffi_cif cif;
62#ifndef USING_MMAP
63  static ffi_closure cl;
64#endif
65  ffi_closure *pcl;
66  void* args_dbl[5];
67  ffi_type* cls_struct_fields[9];
68  ffi_type cls_struct_type;
69  ffi_type* dbl_arg_types[5];
70
71#ifdef USING_MMAP
72  pcl = allocate_mmap (sizeof(ffi_closure));
73#else
74  pcl = &cl;
75#endif
76
77  cls_struct_type.size = 0;
78  cls_struct_type.alignment = 0;
79  cls_struct_type.type = FFI_TYPE_STRUCT;
80  cls_struct_type.elements = cls_struct_fields;
81
82  struct cls_struct_64byte e_dbl = { 9.0, 2.0, 6.0, 5.0, 3.0, 4.0, 8.0, 1.0 };
83  struct cls_struct_64byte f_dbl = { 1.0, 2.0, 3.0, 7.0, 2.0, 5.0, 6.0, 7.0 };
84  struct cls_struct_64byte g_dbl = { 4.0, 5.0, 7.0, 9.0, 1.0, 1.0, 2.0, 9.0 };
85  struct cls_struct_64byte h_dbl = { 8.0, 6.0, 1.0, 4.0, 0.0, 3.0, 3.0, 1.0 };
86  struct cls_struct_64byte res_dbl;
87
88  cls_struct_fields[0] = &ffi_type_double;
89  cls_struct_fields[1] = &ffi_type_double;
90  cls_struct_fields[2] = &ffi_type_double;
91  cls_struct_fields[3] = &ffi_type_double;
92  cls_struct_fields[4] = &ffi_type_double;
93  cls_struct_fields[5] = &ffi_type_double;
94  cls_struct_fields[6] = &ffi_type_double;
95  cls_struct_fields[7] = &ffi_type_double;
96  cls_struct_fields[8] = NULL;
97
98  dbl_arg_types[0] = &cls_struct_type;
99  dbl_arg_types[1] = &cls_struct_type;
100  dbl_arg_types[2] = &cls_struct_type;
101  dbl_arg_types[3] = &cls_struct_type;
102  dbl_arg_types[4] = NULL;
103
104  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 4, &cls_struct_type,
105		     dbl_arg_types) == FFI_OK);
106
107  args_dbl[0] = &e_dbl;
108  args_dbl[1] = &f_dbl;
109  args_dbl[2] = &g_dbl;
110  args_dbl[3] = &h_dbl;
111  args_dbl[4] = NULL;
112
113  ffi_call(&cif, FFI_FN(cls_struct_64byte_fn), &res_dbl, args_dbl);
114  /* { dg-output "22 15 17 25 6 13 19 18" } */
115  printf("res: %g %g %g %g %g %g %g %g\n", res_dbl.a, res_dbl.b, res_dbl.c,
116	 res_dbl.d, res_dbl.e, res_dbl.f, res_dbl.g, res_dbl.h);
117  /* { dg-output "\nres: 22 15 17 25 6 13 19 18" } */
118
119  CHECK(ffi_prep_closure(pcl, &cif, cls_struct_64byte_gn, NULL) == FFI_OK);
120
121  res_dbl = ((cls_struct_64byte(*)(cls_struct_64byte,
122				   cls_struct_64byte,
123				   cls_struct_64byte,
124				   cls_struct_64byte))
125	     (pcl))(e_dbl, f_dbl, g_dbl, h_dbl);
126  /* { dg-output "\n22 15 17 25 6 13 19 18" } */
127  printf("res: %g %g %g %g %g %g %g %g\n", res_dbl.a, res_dbl.b, res_dbl.c,
128	 res_dbl.d, res_dbl.e, res_dbl.f, res_dbl.g, res_dbl.h);
129  /* { dg-output "\nres: 22 15 17 25 6 13 19 18" } */
130
131  exit(0);
132}
133