Ruby  2.7.1p83(2020-03-31revisiona0c7c23c9cec0d0ffcba012279cd652d28ad5bf3)
cls_8byte.c
Go to the documentation of this file.
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_8byte {
12  int a;
13  float b;
15 
17  struct cls_struct_8byte a2)
18 {
19  struct cls_struct_8byte result;
20 
21  result.a = a1.a + a2.a;
22  result.b = a1.b + a2.b;
23 
24  printf("%d %g %d %g: %d %g\n", a1.a, a1.b, a2.a, a2.b, result.a, result.b);
25 
26  return result;
27 }
28 
29 static void
30 cls_struct_8byte_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
31  void* userdata __UNUSED__)
32 {
33 
34  struct cls_struct_8byte a1, a2;
35 
36  a1 = *(struct cls_struct_8byte*)(args[0]);
37  a2 = *(struct cls_struct_8byte*)(args[1]);
38 
39  *(cls_struct_8byte*)resp = cls_struct_8byte_fn(a1, a2);
40 }
41 
42 int main (void)
43 {
44  ffi_cif cif;
45  void *code;
46  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
47  void* args_dbl[5];
48  ffi_type* cls_struct_fields[4];
49  ffi_type cls_struct_type;
50  ffi_type* dbl_arg_types[5];
51 
52  struct cls_struct_8byte g_dbl = { 1, 2.0 };
53  struct cls_struct_8byte f_dbl = { 4, 5.0 };
54  struct cls_struct_8byte res_dbl;
55 
56  cls_struct_type.size = 0;
57  cls_struct_type.alignment = 0;
58  cls_struct_type.type = FFI_TYPE_STRUCT;
59  cls_struct_type.elements = cls_struct_fields;
60 
61  cls_struct_fields[0] = &ffi_type_sint;
62  cls_struct_fields[1] = &ffi_type_float;
63  cls_struct_fields[2] = NULL;
64 
65  dbl_arg_types[0] = &cls_struct_type;
66  dbl_arg_types[1] = &cls_struct_type;
67  dbl_arg_types[2] = NULL;
68 
69  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
70  dbl_arg_types) == FFI_OK);
71 
72  args_dbl[0] = &g_dbl;
73  args_dbl[1] = &f_dbl;
74  args_dbl[2] = NULL;
75 
76  ffi_call(&cif, FFI_FN(cls_struct_8byte_fn), &res_dbl, args_dbl);
77  /* { dg-output "1 2 4 5: 5 7" } */
78  printf("res: %d %g\n", res_dbl.a, res_dbl.b);
79  /* { dg-output "\nres: 5 7" } */
80  CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_8byte_gn, NULL, code) == FFI_OK);
81 
82  res_dbl = ((cls_struct_8byte(*)(cls_struct_8byte, cls_struct_8byte))(code))(g_dbl, f_dbl);
83  /* { dg-output "\n1 2 4 5: 5 7" } */
84  printf("res: %d %g\n", res_dbl.a, res_dbl.b);
85  /* { dg-output "\nres: 5 7" } */
86 
87  exit(0);
88 }
main
int main(void)
Definition: cls_8byte.c:42
cls_struct_8byte::b
float b
Definition: cls_8byte.c:13
NULL
#define NULL
Definition: _sdbm.c:101
ffitest.h
__UNUSED__
#define __UNUSED__
Definition: ffitest.h:28
CHECK
#define CHECK(sub)
Definition: compile.c:448
cls_struct_8byte
Definition: cls_8byte.c:11
FFI_DEFAULT_ABI
@ FFI_DEFAULT_ABI
Definition: ffitarget.h:38
cls_struct_8byte::a
int a
Definition: cls_8byte.c:12
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_8byte_fn
cls_struct_8byte cls_struct_8byte_fn(struct cls_struct_8byte a1, struct cls_struct_8byte a2)
Definition: cls_8byte.c:16
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
cls_struct_8byte
struct cls_struct_8byte cls_struct_8byte
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