Ruby  2.7.2p137(2020-10-01revision5445e0435260b449decf2ac16f9d09bae3cafe72)
cls_5_1_byte.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> 20050708 */
7 
8 /* { dg-do run } */
9 #include "ffitest.h"
10 
11 typedef struct cls_struct_5byte {
12  unsigned char a;
13  unsigned char b;
14  unsigned char c;
15  unsigned char d;
16  unsigned char e;
18 
20  struct cls_struct_5byte a2)
21 {
22  struct cls_struct_5byte 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  printf("%d %d %d %d %d %d %d %d %d %d: %d %d %d %d %d\n",
31  a1.a, a1.b, a1.c, a1.d, a1.e,
32  a2.a, a2.b, a2.c, a2.d, a2.e,
33  result.a, result.b, result.c, result.d, result.e);
34 
35  return result;
36 }
37 
38 static void
39 cls_struct_5byte_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
40  void* userdata __UNUSED__)
41 {
42 
43  struct cls_struct_5byte a1, a2;
44 
45  a1 = *(struct cls_struct_5byte*)(args[0]);
46  a2 = *(struct cls_struct_5byte*)(args[1]);
47 
48  *(cls_struct_5byte*)resp = cls_struct_5byte_fn(a1, a2);
49 }
50 
51 int main (void)
52 {
53  ffi_cif cif;
54  void *code;
55  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
56  void* args_dbl[5];
57  ffi_type* cls_struct_fields[6];
58  ffi_type cls_struct_type;
59  ffi_type* dbl_arg_types[5];
60 
61  struct cls_struct_5byte g_dbl = { 127, 120, 1, 3, 4 };
62  struct cls_struct_5byte f_dbl = { 12, 128, 9, 3, 4 };
63  struct cls_struct_5byte res_dbl = { 0, 0, 0, 0, 0 };
64 
65  cls_struct_type.size = 0;
66  cls_struct_type.alignment = 0;
67  cls_struct_type.type = FFI_TYPE_STRUCT;
68  cls_struct_type.elements = cls_struct_fields;
69 
70  cls_struct_fields[0] = &ffi_type_uchar;
71  cls_struct_fields[1] = &ffi_type_uchar;
72  cls_struct_fields[2] = &ffi_type_uchar;
73  cls_struct_fields[3] = &ffi_type_uchar;
74  cls_struct_fields[4] = &ffi_type_uchar;
75  cls_struct_fields[5] = NULL;
76 
77  dbl_arg_types[0] = &cls_struct_type;
78  dbl_arg_types[1] = &cls_struct_type;
79  dbl_arg_types[2] = NULL;
80 
81  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
82  dbl_arg_types) == FFI_OK);
83 
84  args_dbl[0] = &g_dbl;
85  args_dbl[1] = &f_dbl;
86  args_dbl[2] = NULL;
87 
88  ffi_call(&cif, FFI_FN(cls_struct_5byte_fn), &res_dbl, args_dbl);
89  /* { dg-output "127 120 1 3 4 12 128 9 3 4: 139 248 10 6 8" } */
90  printf("res: %d %d %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c,
91  res_dbl.d, res_dbl.e);
92  /* { dg-output "\nres: 139 248 10 6 8" } */
93 
94  res_dbl.a = 0;
95  res_dbl.b = 0;
96  res_dbl.c = 0;
97  res_dbl.d = 0;
98  res_dbl.e = 0;
99 
100  CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_5byte_gn, NULL, code) == FFI_OK);
101 
102  res_dbl = ((cls_struct_5byte(*)(cls_struct_5byte, cls_struct_5byte))(code))(g_dbl, f_dbl);
103  /* { dg-output "\n127 120 1 3 4 12 128 9 3 4: 139 248 10 6 8" } */
104  printf("res: %d %d %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c,
105  res_dbl.d, res_dbl.e);
106  /* { dg-output "\nres: 139 248 10 6 8" } */
107 
108  exit(0);
109 }
NULL
#define NULL
Definition: _sdbm.c:101
ffitest.h
cls_struct_5byte
struct cls_struct_5byte cls_struct_5byte
__UNUSED__
#define __UNUSED__
Definition: ffitest.h:28
CHECK
#define CHECK(sub)
Definition: compile.c:448
main
int main(void)
Definition: cls_5_1_byte.c:51
FFI_DEFAULT_ABI
@ FFI_DEFAULT_ABI
Definition: ffitarget.h:38
cls_struct_5byte
Definition: cls_5_1_byte.c:11
cls_struct_5byte::a
unsigned char a
Definition: cls_5_1_byte.c:12
cls_struct_5byte::c
unsigned char c
Definition: cls_5_1_byte.c:14
ffi_type_uchar
#define ffi_type_uchar
Definition: fiddle.h:55
cls_struct_5byte::b
unsigned char b
Definition: cls_5_1_byte.c:13
cls_struct_5byte::e
unsigned char e
Definition: cls_5_1_byte.c:16
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
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_5byte_fn
cls_struct_5byte cls_struct_5byte_fn(struct cls_struct_5byte a1, struct cls_struct_5byte a2)
Definition: cls_5_1_byte.c:19
cls_struct_5byte::d
unsigned char d
Definition: cls_5_1_byte.c:15