Ruby  2.7.2p137(2020-10-01revision5445e0435260b449decf2ac16f9d09bae3cafe72)
cls_align_uint64.c
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1 /* Area: ffi_call, closure_call
2  Purpose: Check structure alignment of uint64.
3  Limitations: none.
4  PR: none.
5  Originator: <hos@tamanegi.org> 20031203 */
6 
7 
8 /* { dg-do run } */
9 /* { dg-options "-Wno-format" { target alpha*-dec-osf* } } */
10 #include "ffitest.h"
11 
12 typedef struct cls_struct_align {
13  unsigned char a;
14  unsigned long long b;
15  unsigned char c;
17 
19  struct cls_struct_align a2)
20 {
21  struct cls_struct_align result;
22 
23  result.a = a1.a + a2.a;
24  result.b = a1.b + a2.b;
25  result.c = a1.c + a2.c;
26 
27  printf("%d %" PRIdLL " %d %d %" PRIdLL " %d: %d %" PRIdLL " %d\n", a1.a, a1.b, a1.c, a2.a, a2.b, a2.c, result.a, result.b, result.c);
28 
29  return result;
30 }
31 
32 static void
33 cls_struct_align_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
34  void* userdata __UNUSED__)
35 {
36 
37  struct cls_struct_align a1, a2;
38 
39  a1 = *(struct cls_struct_align*)(args[0]);
40  a2 = *(struct cls_struct_align*)(args[1]);
41 
42  *(cls_struct_align*)resp = cls_struct_align_fn(a1, a2);
43 }
44 
45 int main (void)
46 {
47  ffi_cif cif;
48  void *code;
49  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
50  void* args_dbl[5];
51  ffi_type* cls_struct_fields[4];
52  ffi_type cls_struct_type;
53  ffi_type* dbl_arg_types[5];
54 
55  struct cls_struct_align g_dbl = { 12, 4951, 127 };
56  struct cls_struct_align f_dbl = { 1, 9320, 13 };
57  struct cls_struct_align res_dbl;
58 
59  cls_struct_type.size = 0;
60  cls_struct_type.alignment = 0;
61  cls_struct_type.type = FFI_TYPE_STRUCT;
62  cls_struct_type.elements = cls_struct_fields;
63 
64  cls_struct_fields[0] = &ffi_type_uchar;
65  cls_struct_fields[1] = &ffi_type_uint64;
66  cls_struct_fields[2] = &ffi_type_uchar;
67  cls_struct_fields[3] = NULL;
68 
69  dbl_arg_types[0] = &cls_struct_type;
70  dbl_arg_types[1] = &cls_struct_type;
71  dbl_arg_types[2] = NULL;
72 
73  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
74  dbl_arg_types) == FFI_OK);
75 
76  args_dbl[0] = &g_dbl;
77  args_dbl[1] = &f_dbl;
78  args_dbl[2] = NULL;
79 
80  ffi_call(&cif, FFI_FN(cls_struct_align_fn), &res_dbl, args_dbl);
81  /* { dg-output "12 4951 127 1 9320 13: 13 14271 140" } */
82  printf("res: %d %" PRIdLL " %d\n", res_dbl.a, res_dbl.b, res_dbl.c);
83  /* { dg-output "\nres: 13 14271 140" } */
84 
85  CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_align_gn, NULL, code) == FFI_OK);
86 
87  res_dbl = ((cls_struct_align(*)(cls_struct_align, cls_struct_align))(code))(g_dbl, f_dbl);
88  /* { dg-output "\n12 4951 127 1 9320 13: 13 14271 140" } */
89  printf("res: %d %" PRIdLL " %d\n", res_dbl.a, res_dbl.b, res_dbl.c);
90  /* { dg-output "\nres: 13 14271 140" } */
91 
92  exit(0);
93 }
cls_struct_align::a
unsigned char a
Definition: cls_align_double.c:13
cls_struct_align_fn
cls_struct_align cls_struct_align_fn(struct cls_struct_align a1, struct cls_struct_align a2)
Definition: cls_align_uint64.c:18
cls_struct_align::b
double b
Definition: cls_align_double.c:14
NULL
#define NULL
Definition: _sdbm.c:101
PRIdLL
#define PRIdLL
Definition: ffitest.h:70
ffitest.h
__UNUSED__
#define __UNUSED__
Definition: ffitest.h:28
CHECK
#define CHECK(sub)
Definition: compile.c:448
main
int main(void)
Definition: cls_align_uint64.c:45
cls_struct_align::b
unsigned long long b
Definition: cls_align_uint64.c:14
FFI_DEFAULT_ABI
@ FFI_DEFAULT_ABI
Definition: ffitarget.h:38
ffi_type_uchar
#define ffi_type_uchar
Definition: fiddle.h:55
ffi_prep_cif
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
cls_struct_align
Definition: cls_align_double.c:12
exit
void exit(int __status) __attribute__((__noreturn__))
printf
int int int printf(const char *__restrict,...) __attribute__((__format__(__printf__
ffi_call
void ffi_call(ffi_cif *cif, void(*fn)(void), void *rvalue, void **avalue)
Definition: ffi.c:813
ffi_prep_closure_loc
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
cls_struct_align
struct cls_struct_align cls_struct_align
cls_struct_align::c
unsigned char c
Definition: cls_align_double.c:15