Ruby  2.4.2p198(2017-09-14revision59899)
cls_align_longdouble.c
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1 /* Area: ffi_call, closure_call
2  Purpose: Check structure alignment of long double.
3  Limitations: none.
4  PR: none.
5  Originator: <hos@tamanegi.org> 20031203 */
6 
7 /* { dg-do run } */
8 
9 #include "ffitest.h"
10 
11 typedef struct cls_struct_align {
12  unsigned char a;
13  long double b;
14  unsigned char c;
16 
18  struct cls_struct_align a2)
19 {
20  struct cls_struct_align result;
21 
22  result.a = a1.a + a2.a;
23  result.b = a1.b + a2.b;
24  result.c = a1.c + a2.c;
25 
26  printf("%d %g %d %d %g %d: %d %g %d\n", a1.a, (double)a1.b, a1.c, a2.a, (double)a2.b, a2.c, result.a, (double)result.b, result.c);
27 
28  return result;
29 }
30 
31 static void
32 cls_struct_align_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
33  void* userdata __UNUSED__)
34 {
35 
36  struct cls_struct_align a1, a2;
37 
38  a1 = *(struct cls_struct_align*)(args[0]);
39  a2 = *(struct cls_struct_align*)(args[1]);
40 
41  *(cls_struct_align*)resp = cls_struct_align_fn(a1, a2);
42 }
43 
44 int main (void)
45 {
46  ffi_cif cif;
47  void *code;
48  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
49  void* args_dbl[5];
50  ffi_type* cls_struct_fields[4];
51  ffi_type cls_struct_type;
52  ffi_type* dbl_arg_types[5];
53 
54  struct cls_struct_align g_dbl = { 12, 4951, 127 };
55  struct cls_struct_align f_dbl = { 1, 9320, 13 };
56  struct cls_struct_align res_dbl;
57 
58  cls_struct_type.size = 0;
59  cls_struct_type.alignment = 0;
60  cls_struct_type.type = FFI_TYPE_STRUCT;
61  cls_struct_type.elements = cls_struct_fields;
62 
63  cls_struct_fields[0] = &ffi_type_uchar;
64  cls_struct_fields[1] = &ffi_type_longdouble;
65  cls_struct_fields[2] = &ffi_type_uchar;
66  cls_struct_fields[3] = NULL;
67 
68  dbl_arg_types[0] = &cls_struct_type;
69  dbl_arg_types[1] = &cls_struct_type;
70  dbl_arg_types[2] = NULL;
71 
72  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
73  dbl_arg_types) == FFI_OK);
74 
75  args_dbl[0] = &g_dbl;
76  args_dbl[1] = &f_dbl;
77  args_dbl[2] = NULL;
78 
79  ffi_call(&cif, FFI_FN(cls_struct_align_fn), &res_dbl, args_dbl);
80  /* { dg-output "12 4951 127 1 9320 13: 13 14271 140" } */
81  printf("res: %d %g %d\n", res_dbl.a, (double)res_dbl.b, res_dbl.c);
82  /* { dg-output "\nres: 13 14271 140" } */
83 
84  CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_align_gn, NULL, code) == FFI_OK);
85 
86  res_dbl = ((cls_struct_align(*)(cls_struct_align, cls_struct_align))(code))(g_dbl, f_dbl);
87  /* { dg-output "\n12 4951 127 1 9320 13: 13 14271 140" } */
88  printf("res: %d %g %d\n", res_dbl.a, (double)res_dbl.b, res_dbl.c);
89  /* { dg-output "\nres: 13 14271 140" } */
90 
91  exit(0);
92 }
static void cls_struct_align_gn(ffi_cif *cif __UNUSED__, void *resp, void **args, void *userdata __UNUSED__)
cls_struct_align cls_struct_align_fn(struct cls_struct_align a1, struct cls_struct_align a2)
int main(void)
#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
unsigned char a
#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
static VALUE result
Definition: nkf.c:40
struct cls_struct_align cls_struct_align
#define CHECK(sub)
Definition: compile.c:408
unsigned char c
#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