Ruby  2.7.1p83(2020-03-31revisiona0c7c23c9cec0d0ffcba012279cd652d28ad5bf3)
cls_24byte.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. Check overlapping.
4  Limitations: none.
5  PR: none.
6  Originator: <andreast@gcc.gnu.org> 20030828 */
7 
8 /* { dg-do run } */
9 #include "ffitest.h"
10 
11 typedef struct cls_struct_24byte {
12  double a;
13  double b;
14  int c;
15  float d;
17 
19  struct cls_struct_24byte b1,
20  struct cls_struct_24byte b2,
21  struct cls_struct_24byte b3)
22 {
23  struct cls_struct_24byte result;
24 
25  result.a = b0.a + b1.a + b2.a + b3.a;
26  result.b = b0.b + b1.b + b2.b + b3.b;
27  result.c = b0.c + b1.c + b2.c + b3.c;
28  result.d = b0.d + b1.d + b2.d + b3.d;
29 
30  printf("%g %g %d %g %g %g %d %g %g %g %d %g %g %g %d %g: %g %g %d %g\n",
31  b0.a, b0.b, b0.c, b0.d,
32  b1.a, b1.b, b1.c, b1.d,
33  b2.a, b2.b, b2.c, b2.d,
34  b3.a, b3.b, b3.c, b2.d,
35  result.a, result.b, result.c, result.d);
36 
37  return result;
38 }
39 
40 static void
41 cls_struct_24byte_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
42  void* userdata __UNUSED__)
43 {
44  struct cls_struct_24byte b0, b1, b2, b3;
45 
46  b0 = *(struct cls_struct_24byte*)(args[0]);
47  b1 = *(struct cls_struct_24byte*)(args[1]);
48  b2 = *(struct cls_struct_24byte*)(args[2]);
49  b3 = *(struct cls_struct_24byte*)(args[3]);
50 
51  *(cls_struct_24byte*)resp = cls_struct_24byte_fn(b0, b1, b2, b3);
52 }
53 
54 int main (void)
55 {
56  ffi_cif cif;
57  void *code;
58  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
59  void* args_dbl[5];
60  ffi_type* cls_struct_fields[5];
61  ffi_type cls_struct_type;
62  ffi_type* dbl_arg_types[5];
63 
64  struct cls_struct_24byte e_dbl = { 9.0, 2.0, 6, 5.0 };
65  struct cls_struct_24byte f_dbl = { 1.0, 2.0, 3, 7.0 };
66  struct cls_struct_24byte g_dbl = { 4.0, 5.0, 7, 9.0 };
67  struct cls_struct_24byte h_dbl = { 8.0, 6.0, 1, 4.0 };
68  struct cls_struct_24byte res_dbl;
69 
70  cls_struct_type.size = 0;
71  cls_struct_type.alignment = 0;
72  cls_struct_type.type = FFI_TYPE_STRUCT;
73  cls_struct_type.elements = cls_struct_fields;
74 
75  cls_struct_fields[0] = &ffi_type_double;
76  cls_struct_fields[1] = &ffi_type_double;
77  cls_struct_fields[2] = &ffi_type_sint;
78  cls_struct_fields[3] = &ffi_type_float;
79  cls_struct_fields[4] = NULL;
80 
81  dbl_arg_types[0] = &cls_struct_type;
82  dbl_arg_types[1] = &cls_struct_type;
83  dbl_arg_types[2] = &cls_struct_type;
84  dbl_arg_types[3] = &cls_struct_type;
85  dbl_arg_types[4] = NULL;
86 
87  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 4, &cls_struct_type,
88  dbl_arg_types) == FFI_OK);
89 
90  args_dbl[0] = &e_dbl;
91  args_dbl[1] = &f_dbl;
92  args_dbl[2] = &g_dbl;
93  args_dbl[3] = &h_dbl;
94  args_dbl[4] = NULL;
95 
96  ffi_call(&cif, FFI_FN(cls_struct_24byte_fn), &res_dbl, args_dbl);
97  /* { dg-output "9 2 6 5 1 2 3 7 4 5 7 9 8 6 1 9: 22 15 17 25" } */
98  printf("res: %g %g %d %g\n", res_dbl.a, res_dbl.b, res_dbl.c, res_dbl.d);
99  /* { dg-output "\nres: 22 15 17 25" } */
100 
101  CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_24byte_gn, NULL, code) == FFI_OK);
102 
103  res_dbl = ((cls_struct_24byte(*)(cls_struct_24byte,
107  (code))(e_dbl, f_dbl, g_dbl, h_dbl);
108  /* { dg-output "\n9 2 6 5 1 2 3 7 4 5 7 9 8 6 1 9: 22 15 17 25" } */
109  printf("res: %g %g %d %g\n", res_dbl.a, res_dbl.b, res_dbl.c, res_dbl.d);
110  /* { dg-output "\nres: 22 15 17 25" } */
111 
112  exit(0);
113 }
cls_struct_24byte::b
double b
Definition: cls_24byte.c:13
cls_struct_24byte_fn
cls_struct_24byte cls_struct_24byte_fn(struct cls_struct_24byte b0, struct cls_struct_24byte b1, struct cls_struct_24byte b2, struct cls_struct_24byte b3)
Definition: cls_24byte.c:18
NULL
#define NULL
Definition: _sdbm.c:101
ffitest.h
cls_struct_24byte
Definition: cls_24byte.c:11
main
int main(void)
Definition: cls_24byte.c:54
cls_struct_24byte::a
double a
Definition: cls_24byte.c:12
__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_24byte
struct cls_struct_24byte cls_struct_24byte
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_24byte::d
float d
Definition: cls_24byte.c:15
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_24byte::c
int c
Definition: cls_24byte.c:14