Ruby  2.7.1p83(2020-03-31revisiona0c7c23c9cec0d0ffcba012279cd652d28ad5bf3)
cls_19byte.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_19byte {
12  double a;
13  unsigned char b;
14  unsigned char c;
15  double d;
16  unsigned char e;
18 
20  struct cls_struct_19byte a2)
21 {
22  struct cls_struct_19byte result;
23 
24  result.a = a1.a + a2.a;
25  result.b = a1.b + a2.b;
26  result.c = a1.c + a2.c;
27  result.d = a1.d + a2.d;
28  result.e = a1.e + a2.e;
29 
30 
31  printf("%g %d %d %g %d %g %d %d %g %d: %g %d %d %g %d\n",
32  a1.a, a1.b, a1.c, a1.d, a1.e,
33  a2.a, a2.b, a2.c, a2.d, a2.e,
34  result.a, result.b, result.c, result.d, result.e);
35  return result;
36 }
37 
38 static void
39 cls_struct_19byte_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
40  void* userdata __UNUSED__)
41 {
42  struct cls_struct_19byte a1, a2;
43 
44  a1 = *(struct cls_struct_19byte*)(args[0]);
45  a2 = *(struct cls_struct_19byte*)(args[1]);
46 
47  *(cls_struct_19byte*)resp = cls_struct_19byte_fn(a1, a2);
48 }
49 
50 int main (void)
51 {
52  ffi_cif cif;
53  void *code;
54  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
55  void* args_dbl[3];
56  ffi_type* cls_struct_fields[6];
57  ffi_type cls_struct_type;
58  ffi_type* dbl_arg_types[3];
59 
60  struct cls_struct_19byte g_dbl = { 1.0, 127, 126, 3.0, 120 };
61  struct cls_struct_19byte f_dbl = { 4.0, 125, 124, 5.0, 119 };
62  struct cls_struct_19byte res_dbl;
63 
64  cls_struct_type.size = 0;
65  cls_struct_type.alignment = 0;
66  cls_struct_type.type = FFI_TYPE_STRUCT;
67  cls_struct_type.elements = cls_struct_fields;
68 
69  cls_struct_fields[0] = &ffi_type_double;
70  cls_struct_fields[1] = &ffi_type_uchar;
71  cls_struct_fields[2] = &ffi_type_uchar;
72  cls_struct_fields[3] = &ffi_type_double;
73  cls_struct_fields[4] = &ffi_type_uchar;
74  cls_struct_fields[5] = NULL;
75 
76  dbl_arg_types[0] = &cls_struct_type;
77  dbl_arg_types[1] = &cls_struct_type;
78  dbl_arg_types[2] = NULL;
79 
80  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
81  dbl_arg_types) == FFI_OK);
82 
83  args_dbl[0] = &g_dbl;
84  args_dbl[1] = &f_dbl;
85  args_dbl[2] = NULL;
86 
87  ffi_call(&cif, FFI_FN(cls_struct_19byte_fn), &res_dbl, args_dbl);
88  /* { dg-output "1 127 126 3 120 4 125 124 5 119: 5 252 250 8 239" } */
89  printf("res: %g %d %d %g %d\n", res_dbl.a, res_dbl.b, res_dbl.c,
90  res_dbl.d, res_dbl.e);
91  /* { dg-output "\nres: 5 252 250 8 239" } */
92 
93  CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_19byte_gn, NULL, code) == FFI_OK);
94 
95  res_dbl = ((cls_struct_19byte(*)(cls_struct_19byte, cls_struct_19byte))(code))(g_dbl, f_dbl);
96  /* { dg-output "\n1 127 126 3 120 4 125 124 5 119: 5 252 250 8 239" } */
97  printf("res: %g %d %d %g %d\n", res_dbl.a, res_dbl.b, res_dbl.c,
98  res_dbl.d, res_dbl.e);
99  /* { dg-output "\nres: 5 252 250 8 239" } */
100 
101  exit(0);
102 }
cls_struct_19byte::a
double a
Definition: cls_19byte.c:12
main
int main(void)
Definition: cls_19byte.c:50
NULL
#define NULL
Definition: _sdbm.c:101
cls_struct_19byte::d
double d
Definition: cls_19byte.c:15
ffitest.h
__UNUSED__
#define __UNUSED__
Definition: ffitest.h:28
CHECK
#define CHECK(sub)
Definition: compile.c:448
FFI_DEFAULT_ABI
@ FFI_DEFAULT_ABI
Definition: ffitarget.h:38
cls_struct_19byte::c
unsigned char c
Definition: cls_19byte.c:14
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_19byte
Definition: cls_19byte.c:11
cls_struct_19byte::e
unsigned char e
Definition: cls_19byte.c:16
cls_struct_19byte
struct cls_struct_19byte cls_struct_19byte
cls_struct_19byte::b
unsigned char b
Definition: cls_19byte.c:13
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_19byte_fn
cls_struct_19byte cls_struct_19byte_fn(struct cls_struct_19byte a1, struct cls_struct_19byte a2)
Definition: cls_19byte.c:19