aboutsummaryrefslogtreecommitdiffstats
path: root/contrib/restricted/libffi/testsuite/libffi.closures/cls_20byte1.c
blob: 8aac032ce5142cf5212f2eac218c28b70bc09ea5 (plain) (blame)
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
/* Area:	ffi_call, closure_call 
   Purpose:	Check structure passing with different structure size. 
		Depending on the ABI. Check overlapping. 
   Limitations:	none. 
   PR:		none. 
   Originator:	<andreast@gcc.gnu.org> 20030828	 */ 
 
 
 
/* { dg-do run } */ 
#include "ffitest.h" 
 
typedef struct cls_struct_20byte { 
  int a; 
  double b; 
  double c; 
} cls_struct_20byte; 
 
cls_struct_20byte cls_struct_20byte_fn(struct cls_struct_20byte a1, 
			    struct cls_struct_20byte a2) 
{ 
  struct cls_struct_20byte result; 
 
  result.a = a1.a + a2.a; 
  result.b = a1.b + a2.b; 
  result.c = a1.c + a2.c; 
 
  printf("%d %g %g %d %g %g: %d %g %g\n", a1.a, a1.b, a1.c, a2.a, a2.b, a2.c, 
	 result.a, result.b, result.c); 
  return result; 
} 
 
static void 
cls_struct_20byte_gn(ffi_cif* cif __UNUSED__, void* resp, void** args, 
		     void* userdata __UNUSED__) 
{ 
  struct cls_struct_20byte a1, a2; 
 
  a1 = *(struct cls_struct_20byte*)(args[0]); 
  a2 = *(struct cls_struct_20byte*)(args[1]); 
 
  *(cls_struct_20byte*)resp = cls_struct_20byte_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[4]; 
  ffi_type cls_struct_type; 
  ffi_type* dbl_arg_types[3]; 
 
  struct cls_struct_20byte g_dbl = { 1, 2.0, 3.0 }; 
  struct cls_struct_20byte f_dbl = { 4, 5.0, 7.0 }; 
  struct cls_struct_20byte 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_sint; 
  cls_struct_fields[1] = &ffi_type_double; 
  cls_struct_fields[2] = &ffi_type_double; 
  cls_struct_fields[3] = 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_20byte_fn), &res_dbl, args_dbl); 
  /* { dg-output "1 2 3 4 5 7: 5 7 10" } */ 
  printf("res: %d %g %g\n", res_dbl.a, res_dbl.b, res_dbl.c); 
  /* { dg-output "\nres: 5 7 10" } */ 
 
  CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_20byte_gn, NULL, code) == FFI_OK); 
 
  res_dbl = ((cls_struct_20byte(*)(cls_struct_20byte, cls_struct_20byte))(code))(g_dbl, f_dbl); 
  /* { dg-output "\n1 2 3 4 5 7: 5 7 10" } */ 
  printf("res: %d %g %g\n", res_dbl.a, res_dbl.b, res_dbl.c); 
  /* { dg-output "\nres: 5 7 10" } */ 
 
  exit(0); 
}