Ruby  2.7.2p137(2020-10-01revision5445e0435260b449decf2ac16f9d09bae3cafe72)
cls_7byte.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_7byte {
12  unsigned short a;
13  unsigned short b;
14  unsigned char c;
15  unsigned short d;
17 
19  struct cls_struct_7byte a2)
20 {
21  struct cls_struct_7byte result;
22 
23  result.a = a1.a + a2.a;
24  result.b = a1.b + a2.b;
25  result.c = a1.c + a2.c;
26  result.d = a1.d + a2.d;
27 
28  printf("%d %d %d %d %d %d %d %d: %d %d %d %d\n", a1.a, a1.b, a1.c, a1.d,
29  a2.a, a2.b, a2.c, a2.d,
30  result.a, result.b, result.c, result.d);
31 
32  return result;
33 }
34 
35 static void
36 cls_struct_7byte_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
37  void* userdata __UNUSED__)
38 {
39 
40  struct cls_struct_7byte a1, a2;
41 
42  a1 = *(struct cls_struct_7byte*)(args[0]);
43  a2 = *(struct cls_struct_7byte*)(args[1]);
44 
45  *(cls_struct_7byte*)resp = cls_struct_7byte_fn(a1, a2);
46 }
47 
48 int main (void)
49 {
50  ffi_cif cif;
51  void *code;
52  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
53  void* args_dbl[5];
54  ffi_type* cls_struct_fields[5];
55  ffi_type cls_struct_type;
56  ffi_type* dbl_arg_types[5];
57 
58  struct cls_struct_7byte g_dbl = { 127, 120, 1, 254 };
59  struct cls_struct_7byte f_dbl = { 12, 128, 9, 255 };
60  struct cls_struct_7byte res_dbl;
61 
62  cls_struct_type.size = 0;
63  cls_struct_type.alignment = 0;
64  cls_struct_type.type = FFI_TYPE_STRUCT;
65  cls_struct_type.elements = cls_struct_fields;
66 
67  cls_struct_fields[0] = &ffi_type_ushort;
68  cls_struct_fields[1] = &ffi_type_ushort;
69  cls_struct_fields[2] = &ffi_type_uchar;
70  cls_struct_fields[3] = &ffi_type_ushort;
71  cls_struct_fields[4] = NULL;
72 
73  dbl_arg_types[0] = &cls_struct_type;
74  dbl_arg_types[1] = &cls_struct_type;
75  dbl_arg_types[2] = NULL;
76 
77  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
78  dbl_arg_types) == FFI_OK);
79 
80  args_dbl[0] = &g_dbl;
81  args_dbl[1] = &f_dbl;
82  args_dbl[2] = NULL;
83 
84  ffi_call(&cif, FFI_FN(cls_struct_7byte_fn), &res_dbl, args_dbl);
85  /* { dg-output "127 120 1 254 12 128 9 255: 139 248 10 509" } */
86  printf("res: %d %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c, res_dbl.d);
87  /* { dg-output "\nres: 139 248 10 509" } */
88 
89  CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_7byte_gn, NULL, code) == FFI_OK);
90 
91  res_dbl = ((cls_struct_7byte(*)(cls_struct_7byte, cls_struct_7byte))(code))(g_dbl, f_dbl);
92  /* { dg-output "\n127 120 1 254 12 128 9 255: 139 248 10 509" } */
93  printf("res: %d %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c, res_dbl.d);
94  /* { dg-output "\nres: 139 248 10 509" } */
95 
96  exit(0);
97 }
cls_struct_7byte_fn
cls_struct_7byte cls_struct_7byte_fn(struct cls_struct_7byte a1, struct cls_struct_7byte a2)
Definition: cls_7byte.c:18
cls_struct_7byte::b
unsigned short b
Definition: cls_7byte.c:13
cls_struct_7byte::c
unsigned char c
Definition: cls_7_1_byte.c:14
NULL
#define NULL
Definition: _sdbm.c:101
cls_struct_7byte::d
unsigned short d
Definition: cls_7byte.c:15
ffitest.h
cls_struct_7byte::d
unsigned char d
Definition: cls_7_1_byte.c:15
main
int main(void)
Definition: cls_7byte.c:48
__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_7byte::a
unsigned char a
Definition: cls_7_1_byte.c:12
cls_struct_7byte::b
unsigned char b
Definition: cls_7_1_byte.c:13
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
exit
void exit(int __status) __attribute__((__noreturn__))
cls_struct_7byte
Definition: cls_7_1_byte.c:11
printf
int int int printf(const char *__restrict,...) __attribute__((__format__(__printf__
cls_struct_7byte
struct cls_struct_7byte cls_struct_7byte
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_7byte::a
unsigned short a
Definition: cls_7byte.c:12