Ruby  2.4.2p198(2017-09-14revision59899)
cls_18byte.c
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1 /* Area: ffi_call, closure_call
2  Purpose: Check structure passing with different structure size.
3  Depending on the ABI. Double alignment check on darwin.
4  Limitations: none.
5  PR: none.
6  Originator: <andreast@gcc.gnu.org> 20030915 */
7 
8 /* { dg-do run } */
9 #include "ffitest.h"
10 
11 typedef struct cls_struct_18byte {
12  double a;
13  unsigned char b;
14  unsigned char c;
15  double d;
17 
19  struct cls_struct_18byte a2)
20 {
21  struct cls_struct_18byte result;
22 
23  result.a = a1.a + a2.a;
24  result.b = a1.b + a2.b;
25  result.c = a1.c + a2.c;
26  result.d = a1.d + a2.d;
27 
28 
29  printf("%g %d %d %g %g %d %d %g: %g %d %d %g\n", a1.a, a1.b, a1.c, a1.d,
30  a2.a, a2.b, a2.c, a2.d,
31  result.a, result.b, result.c, result.d);
32  return result;
33 }
34 
35 static void
36 cls_struct_18byte_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
37  void* userdata __UNUSED__)
38 {
39  struct cls_struct_18byte a1, a2;
40 
41  a1 = *(struct cls_struct_18byte*)(args[0]);
42  a2 = *(struct cls_struct_18byte*)(args[1]);
43 
44  *(cls_struct_18byte*)resp = cls_struct_18byte_fn(a1, a2);
45 }
46 
47 int main (void)
48 {
49  ffi_cif cif;
50  void *code;
51  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
52  void* args_dbl[3];
53  ffi_type* cls_struct_fields[5];
54  ffi_type cls_struct_type;
55  ffi_type* dbl_arg_types[3];
56 
57  struct cls_struct_18byte g_dbl = { 1.0, 127, 126, 3.0 };
58  struct cls_struct_18byte f_dbl = { 4.0, 125, 124, 5.0 };
59  struct cls_struct_18byte res_dbl;
60 
61  cls_struct_type.size = 0;
62  cls_struct_type.alignment = 0;
63  cls_struct_type.type = FFI_TYPE_STRUCT;
64  cls_struct_type.elements = cls_struct_fields;
65 
66  cls_struct_fields[0] = &ffi_type_double;
67  cls_struct_fields[1] = &ffi_type_uchar;
68  cls_struct_fields[2] = &ffi_type_uchar;
69  cls_struct_fields[3] = &ffi_type_double;
70  cls_struct_fields[4] = NULL;
71 
72  dbl_arg_types[0] = &cls_struct_type;
73  dbl_arg_types[1] = &cls_struct_type;
74  dbl_arg_types[2] = NULL;
75 
76  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
77  dbl_arg_types) == FFI_OK);
78 
79  args_dbl[0] = &g_dbl;
80  args_dbl[1] = &f_dbl;
81  args_dbl[2] = NULL;
82 
83  ffi_call(&cif, FFI_FN(cls_struct_18byte_fn), &res_dbl, args_dbl);
84  /* { dg-output "1 127 126 3 4 125 124 5: 5 252 250 8" } */
85  printf("res: %g %d %d %g\n", res_dbl.a, res_dbl.b, res_dbl.c, res_dbl.d);
86  /* { dg-output "\nres: 5 252 250 8" } */
87 
88  CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_18byte_gn, NULL, code) == FFI_OK);
89 
90  res_dbl = ((cls_struct_18byte(*)(cls_struct_18byte, cls_struct_18byte))(code))(g_dbl, f_dbl);
91  /* { dg-output "\n1 127 126 3 4 125 124 5: 5 252 250 8" } */
92  printf("res: %g %d %d %g\n", res_dbl.a, res_dbl.b, res_dbl.c, res_dbl.d);
93  /* { dg-output "\nres: 5 252 250 8" } */
94 
95  exit(0);
96 }
unsigned char b
Definition: cls_18byte.c:13
static void cls_struct_18byte_gn(ffi_cif *cif __UNUSED__, void *resp, void **args, void *userdata __UNUSED__)
Definition: cls_18byte.c:36
int main(void)
Definition: cls_18byte.c:47
#define __UNUSED__
Definition: ffitest.h:28
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
#define ffi_type_uchar
Definition: fiddle.h:55
void ffi_call(ffi_cif *cif, void(*fn)(void), void *rvalue, void **avalue)
Definition: ffi.c:813
cls_struct_18byte cls_struct_18byte_fn(struct cls_struct_18byte a1, struct cls_struct_18byte a2)
Definition: cls_18byte.c:18
static VALUE result
Definition: nkf.c:40
struct cls_struct_18byte cls_struct_18byte
#define CHECK(sub)
Definition: compile.c:408
unsigned char c
Definition: cls_18byte.c:14
#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