Ruby  2.4.2p198(2017-09-14revision59899)
cls_12byte.c
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1 /* Area: ffi_call, closure_call
2  Purpose: Check structure passing with different structure size.
3  Limitations: none.
4  PR: none.
5  Originator: <andreast@gcc.gnu.org> 20030828 */
6 
7 /* { dg-do run } */
8 #include "ffitest.h"
9 
10 typedef struct cls_struct_12byte {
11  int a;
12  int b;
13  int c;
15 
17  struct cls_struct_12byte b2)
18 {
19  struct cls_struct_12byte result;
20 
21  result.a = b1.a + b2.a;
22  result.b = b1.b + b2.b;
23  result.c = b1.c + b2.c;
24 
25  printf("%d %d %d %d %d %d: %d %d %d\n", b1.a, b1.b, b1.c, b2.a, b2.b, b2.c,
26  result.a, result.b, result.c);
27 
28  return result;
29 }
30 
31 static void cls_struct_12byte_gn(ffi_cif* cif __UNUSED__, void* resp,
32  void** args , void* userdata __UNUSED__)
33 {
34  struct cls_struct_12byte b1, b2;
35 
36  b1 = *(struct cls_struct_12byte*)(args[0]);
37  b2 = *(struct cls_struct_12byte*)(args[1]);
38 
39  *(cls_struct_12byte*)resp = cls_struct_12byte_fn(b1, b2);
40 }
41 
42 int main (void)
43 {
44  ffi_cif cif;
45  void *code;
46  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
47  void* args_dbl[5];
48  ffi_type* cls_struct_fields[4];
49  ffi_type cls_struct_type;
50  ffi_type* dbl_arg_types[5];
51 
52  struct cls_struct_12byte h_dbl = { 7, 4, 9 };
53  struct cls_struct_12byte j_dbl = { 1, 5, 3 };
54  struct cls_struct_12byte res_dbl;
55 
56  cls_struct_type.size = 0;
57  cls_struct_type.alignment = 0;
58  cls_struct_type.type = FFI_TYPE_STRUCT;
59  cls_struct_type.elements = cls_struct_fields;
60 
61  cls_struct_fields[0] = &ffi_type_sint;
62  cls_struct_fields[1] = &ffi_type_sint;
63  cls_struct_fields[2] = &ffi_type_sint;
64  cls_struct_fields[3] = NULL;
65 
66  dbl_arg_types[0] = &cls_struct_type;
67  dbl_arg_types[1] = &cls_struct_type;
68  dbl_arg_types[2] = NULL;
69 
70  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
71  dbl_arg_types) == FFI_OK);
72 
73  args_dbl[0] = &h_dbl;
74  args_dbl[1] = &j_dbl;
75  args_dbl[2] = NULL;
76 
77  ffi_call(&cif, FFI_FN(cls_struct_12byte_fn), &res_dbl, args_dbl);
78  /* { dg-output "7 4 9 1 5 3: 8 9 12" } */
79  printf("res: %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c);
80  /* { dg-output "\nres: 8 9 12" } */
81 
82  CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_12byte_gn, NULL, code) == FFI_OK);
83 
84  res_dbl.a = 0;
85  res_dbl.b = 0;
86  res_dbl.c = 0;
87 
88  res_dbl = ((cls_struct_12byte(*)(cls_struct_12byte, cls_struct_12byte))(code))(h_dbl, j_dbl);
89  /* { dg-output "\n7 4 9 1 5 3: 8 9 12" } */
90  printf("res: %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c);
91  /* { dg-output "\nres: 8 9 12" } */
92 
93  exit(0);
94 }
cls_struct_12byte cls_struct_12byte_fn(struct cls_struct_12byte b1, struct cls_struct_12byte b2)
Definition: cls_12byte.c:16
struct cls_struct_12byte cls_struct_12byte
static void cls_struct_12byte_gn(ffi_cif *cif __UNUSED__, void *resp, void **args, void *userdata __UNUSED__)
Definition: cls_12byte.c:31
#define __UNUSED__
Definition: ffitest.h:28
int main(void)
Definition: cls_12byte.c:42
ffi_status ffi_prep_closure_loc(ffi_closure *closure, ffi_cif *cif, void(*fun)(ffi_cif *, void *, void **, void *), void *user_data, void *codeloc)
Definition: ffi.c:928
void ffi_call(ffi_cif *cif, void(*fn)(void), void *rvalue, void **avalue)
Definition: ffi.c:813
static VALUE result
Definition: nkf.c:40
#define CHECK(sub)
Definition: compile.c:408
#define NULL
Definition: _sdbm.c:102
ffi_status ffi_prep_cif(ffi_cif *cif, ffi_abi abi, unsigned int nargs, ffi_type *rtype, ffi_type **atypes)
Definition: prep_cif.c:226