Ruby  2.4.2p198(2017-09-14revision59899)
cls_6byte.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 
9 /* { dg-do run } */
10 #include "ffitest.h"
11 
12 typedef struct cls_struct_6byte {
13  unsigned short a;
14  unsigned short b;
15  unsigned char c;
16  unsigned char d;
18 
20  struct cls_struct_6byte a2)
21 {
22  struct cls_struct_6byte 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 
29  printf("%d %d %d %d %d %d %d %d: %d %d %d %d\n", a1.a, a1.b, a1.c, a1.d,
30  a2.a, a2.b, a2.c, a2.d,
31  result.a, result.b, result.c, result.d);
32 
33  return result;
34 }
35 
36 static void
37 cls_struct_6byte_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
38  void* userdata __UNUSED__)
39 {
40 
41  struct cls_struct_6byte a1, a2;
42 
43  a1 = *(struct cls_struct_6byte*)(args[0]);
44  a2 = *(struct cls_struct_6byte*)(args[1]);
45 
46  *(cls_struct_6byte*)resp = cls_struct_6byte_fn(a1, a2);
47 }
48 
49 int main (void)
50 {
51  ffi_cif cif;
52  void *code;
53  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
54  void* args_dbl[5];
55  ffi_type* cls_struct_fields[5];
56  ffi_type cls_struct_type;
57  ffi_type* dbl_arg_types[5];
58 
59  struct cls_struct_6byte g_dbl = { 127, 120, 1, 128 };
60  struct cls_struct_6byte f_dbl = { 12, 128, 9, 127 };
61  struct cls_struct_6byte res_dbl;
62 
63  cls_struct_type.size = 0;
64  cls_struct_type.alignment = 0;
65  cls_struct_type.type = FFI_TYPE_STRUCT;
66  cls_struct_type.elements = cls_struct_fields;
67 
68  cls_struct_fields[0] = &ffi_type_ushort;
69  cls_struct_fields[1] = &ffi_type_ushort;
70  cls_struct_fields[2] = &ffi_type_uchar;
71  cls_struct_fields[3] = &ffi_type_uchar;
72  cls_struct_fields[4] = NULL;
73 
74  dbl_arg_types[0] = &cls_struct_type;
75  dbl_arg_types[1] = &cls_struct_type;
76  dbl_arg_types[2] = NULL;
77 
78  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
79  dbl_arg_types) == FFI_OK);
80 
81  args_dbl[0] = &g_dbl;
82  args_dbl[1] = &f_dbl;
83  args_dbl[2] = NULL;
84 
85  ffi_call(&cif, FFI_FN(cls_struct_6byte_fn), &res_dbl, args_dbl);
86  /* { dg-output "127 120 1 128 12 128 9 127: 139 248 10 255" } */
87  printf("res: %d %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c, res_dbl.d);
88  /* { dg-output "\nres: 139 248 10 255" } */
89 
90  CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_6byte_gn, NULL, code) == FFI_OK);
91 
92  res_dbl = ((cls_struct_6byte(*)(cls_struct_6byte, cls_struct_6byte))(code))(g_dbl, f_dbl);
93  /* { dg-output "\n127 120 1 128 12 128 9 127: 139 248 10 255" } */
94  printf("res: %d %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c, res_dbl.d);
95  /* { dg-output "\nres: 139 248 10 255" } */
96 
97 
98  exit(0);
99 }
unsigned short b
Definition: cls_6byte.c:14
int main(void)
Definition: cls_6byte.c:49
unsigned char b
Definition: cls_6_1_byte.c:13
unsigned short a
Definition: cls_6byte.c:13
unsigned char c
Definition: cls_6_1_byte.c:14
unsigned char a
Definition: cls_6_1_byte.c:12
#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 d
Definition: cls_6_1_byte.c:15
#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
cls_struct_6byte cls_struct_6byte_fn(struct cls_struct_6byte a1, struct cls_struct_6byte a2)
Definition: cls_6byte.c:19
#define CHECK(sub)
Definition: compile.c:408
static void cls_struct_6byte_gn(ffi_cif *cif __UNUSED__, void *resp, void **args, void *userdata __UNUSED__)
Definition: cls_6byte.c:37
#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
struct cls_struct_6byte cls_struct_6byte