aboutsummaryrefslogtreecommitdiffstats
path: root/contrib/restricted/libffi/testsuite/libffi.call/struct7.c
blob: f2e0669fee21c1dce61e5dc4a5241d2d55fdbdcd (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
/* Area:	ffi_call 
   Purpose:	Check structures. 
   Limitations:	none. 
   PR:		none. 
   Originator:	From the original ffitest.c  */ 
 
/* { dg-do run } */ 
#include "ffitest.h" 
typedef struct 
{ 
  float f1; 
  float f2; 
  double d; 
} test_structure_7; 
 
static test_structure_7 ABI_ATTR struct7 (test_structure_7 ts) 
{ 
  ts.f1 += 1; 
  ts.f2 += 1; 
  ts.d += 1; 
 
  return ts; 
} 
 
int main (void) 
{ 
  ffi_cif cif; 
  ffi_type *args[MAX_ARGS]; 
  void *values[MAX_ARGS]; 
  ffi_type ts7_type; 
  ffi_type *ts7_type_elements[4]; 
 
  test_structure_7 ts7_arg; 
 
  /* This is a hack to get a properly aligned result buffer */ 
  test_structure_7 *ts7_result = 
    (test_structure_7 *) malloc (sizeof(test_structure_7)); 
 
  ts7_type.size = 0; 
  ts7_type.alignment = 0; 
  ts7_type.type = FFI_TYPE_STRUCT; 
  ts7_type.elements = ts7_type_elements; 
  ts7_type_elements[0] = &ffi_type_float; 
  ts7_type_elements[1] = &ffi_type_float; 
  ts7_type_elements[2] = &ffi_type_double; 
  ts7_type_elements[3] = NULL; 
 
  args[0] = &ts7_type; 
  values[0] = &ts7_arg; 
   
  /* Initialize the cif */ 
  CHECK(ffi_prep_cif(&cif, ABI_NUM, 1, &ts7_type, args) == FFI_OK); 
   
  ts7_arg.f1 = 5.55f; 
  ts7_arg.f2 = 55.5f; 
  ts7_arg.d = 6.66; 
 
  printf ("%g\n", ts7_arg.f1); 
  printf ("%g\n", ts7_arg.f2); 
  printf ("%g\n", ts7_arg.d); 
   
  ffi_call(&cif, FFI_FN(struct7), ts7_result, values); 
 
  printf ("%g\n", ts7_result->f1); 
  printf ("%g\n", ts7_result->f2); 
  printf ("%g\n", ts7_result->d); 
   
  CHECK(ts7_result->f1 == 5.55f + 1); 
  CHECK(ts7_result->f2 == 55.5f + 1); 
  CHECK(ts7_result->d == 6.66 + 1); 
   
  free (ts7_result); 
  exit(0); 
}