Ruby  2.7.2p137(2020-10-01revision5445e0435260b449decf2ac16f9d09bae3cafe72)
cls_7_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_7byte {
12  unsigned char a;
13  unsigned char b;
14  unsigned char c;
15  unsigned char d;
16  unsigned char e;
17  unsigned char f;
18  unsigned char g;
20 
22  struct cls_struct_7byte a2)
23 {
24  struct cls_struct_7byte result;
25 
26  result.a = a1.a + a2.a;
27  result.b = a1.b + a2.b;
28  result.c = a1.c + a2.c;
29  result.d = a1.d + a2.d;
30  result.e = a1.e + a2.e;
31  result.f = a1.f + a2.f;
32  result.g = a1.g + a2.g;
33 
34  printf("%d %d %d %d %d %d %d %d %d %d %d %d %d %d: %d %d %d %d %d %d %d\n",
35  a1.a, a1.b, a1.c, a1.d, a1.e, a1.f, a1.g,
36  a2.a, a2.b, a2.c, a2.d, a2.e, a2.f, a2.g,
37  result.a, result.b, result.c, result.d, result.e, result.f, result.g);
38 
39  return result;
40 }
41 
42 static void
43 cls_struct_7byte_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
44  void* userdata __UNUSED__)
45 {
46 
47  struct cls_struct_7byte a1, a2;
48 
49  a1 = *(struct cls_struct_7byte*)(args[0]);
50  a2 = *(struct cls_struct_7byte*)(args[1]);
51 
52  *(cls_struct_7byte*)resp = cls_struct_7byte_fn(a1, a2);
53 }
54 
55 int main (void)
56 {
57  ffi_cif cif;
58  void *code;
59  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
60  void* args_dbl[5];
61  ffi_type* cls_struct_fields[8];
62  ffi_type cls_struct_type;
63  ffi_type* dbl_arg_types[5];
64 
65  struct cls_struct_7byte g_dbl = { 127, 120, 1, 3, 4, 5, 6 };
66  struct cls_struct_7byte f_dbl = { 12, 128, 9, 3, 4, 5, 6 };
67  struct cls_struct_7byte res_dbl = { 0, 0, 0, 0, 0, 0, 0 };
68 
69  cls_struct_type.size = 0;
70  cls_struct_type.alignment = 0;
71  cls_struct_type.type = FFI_TYPE_STRUCT;
72  cls_struct_type.elements = cls_struct_fields;
73 
74  cls_struct_fields[0] = &ffi_type_uchar;
75  cls_struct_fields[1] = &ffi_type_uchar;
76  cls_struct_fields[2] = &ffi_type_uchar;
77  cls_struct_fields[3] = &ffi_type_uchar;
78  cls_struct_fields[4] = &ffi_type_uchar;
79  cls_struct_fields[5] = &ffi_type_uchar;
80  cls_struct_fields[6] = &ffi_type_uchar;
81  cls_struct_fields[7] = NULL;
82 
83  dbl_arg_types[0] = &cls_struct_type;
84  dbl_arg_types[1] = &cls_struct_type;
85  dbl_arg_types[2] = NULL;
86 
87  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
88  dbl_arg_types) == FFI_OK);
89 
90  args_dbl[0] = &g_dbl;
91  args_dbl[1] = &f_dbl;
92  args_dbl[2] = NULL;
93 
94  ffi_call(&cif, FFI_FN(cls_struct_7byte_fn), &res_dbl, args_dbl);
95  /* { dg-output "127 120 1 3 4 5 6 12 128 9 3 4 5 6: 139 248 10 6 8 10 12" } */
96  printf("res: %d %d %d %d %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c,
97  res_dbl.d, res_dbl.e, res_dbl.f, res_dbl.g);
98  /* { dg-output "\nres: 139 248 10 6 8 10 12" } */
99 
100  res_dbl.a = 0;
101  res_dbl.b = 0;
102  res_dbl.c = 0;
103  res_dbl.d = 0;
104  res_dbl.e = 0;
105  res_dbl.f = 0;
106  res_dbl.g = 0;
107 
108  CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_7byte_gn, NULL, code) == FFI_OK);
109 
110  res_dbl = ((cls_struct_7byte(*)(cls_struct_7byte, cls_struct_7byte))(code))(g_dbl, f_dbl);
111  /* { dg-output "\n127 120 1 3 4 5 6 12 128 9 3 4 5 6: 139 248 10 6 8 10 12" } */
112  printf("res: %d %d %d %d %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c,
113  res_dbl.d, res_dbl.e, res_dbl.f, res_dbl.g);
114  /* { dg-output "\nres: 139 248 10 6 8 10 12" } */
115 
116  exit(0);
117 }
cls_struct_7byte::c
unsigned char c
Definition: cls_7_1_byte.c:14
NULL
#define NULL
Definition: _sdbm.c:101
ffitest.h
cls_struct_7byte::d
unsigned char d
Definition: cls_7_1_byte.c:15
__UNUSED__
#define __UNUSED__
Definition: ffitest.h:28
CHECK
#define CHECK(sub)
Definition: compile.c:448
cls_struct_7byte::g
unsigned char g
Definition: cls_7_1_byte.c:18
FFI_DEFAULT_ABI
@ FFI_DEFAULT_ABI
Definition: ffitarget.h:38
cls_struct_7byte_fn
cls_struct_7byte cls_struct_7byte_fn(struct cls_struct_7byte a1, struct cls_struct_7byte a2)
Definition: cls_7_1_byte.c:21
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
cls_struct_7byte::e
unsigned char e
Definition: cls_7_1_byte.c:16
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
cls_struct_7byte::f
unsigned char f
Definition: cls_7_1_byte.c:17
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__
ffi_call
void ffi_call(ffi_cif *cif, void(*fn)(void), void *rvalue, void **avalue)
Definition: ffi.c:813
main
int main(void)
Definition: cls_7_1_byte.c:55
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
struct cls_struct_7byte cls_struct_7byte