Ruby  2.7.0p0(2019-12-25revision647ee6f091eafcce70ffb75ddf7e121e192ab217)
cls_5byte.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_5byte {
12  unsigned short a;
13  unsigned short b;
14  unsigned char c;
16 
18  struct cls_struct_5byte a2)
19 {
20  struct cls_struct_5byte result;
21 
22  result.a = a1.a + a2.a;
23  result.b = a1.b + a2.b;
24  result.c = a1.c + a2.c;
25 
26  printf("%d %d %d %d %d %d: %d %d %d\n", a1.a, a1.b, a1.c,
27  a2.a, a2.b, a2.c,
28  result.a, result.b, result.c);
29 
30  return result;
31 }
32 
33 static void
34 cls_struct_5byte_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
35  void* userdata __UNUSED__)
36 {
37 
38  struct cls_struct_5byte a1, a2;
39 
40  a1 = *(struct cls_struct_5byte*)(args[0]);
41  a2 = *(struct cls_struct_5byte*)(args[1]);
42 
43  *(cls_struct_5byte*)resp = cls_struct_5byte_fn(a1, a2);
44 }
45 
46 int main (void)
47 {
48  ffi_cif cif;
49  void *code;
50  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
51  void* args_dbl[5];
52  ffi_type* cls_struct_fields[4];
53  ffi_type cls_struct_type;
54  ffi_type* dbl_arg_types[5];
55 
56  struct cls_struct_5byte g_dbl = { 127, 120, 1 };
57  struct cls_struct_5byte f_dbl = { 12, 128, 9 };
58  struct cls_struct_5byte res_dbl = { 0, 0, 0 };
59 
60  cls_struct_type.size = 0;
61  cls_struct_type.alignment = 0;
62  cls_struct_type.type = FFI_TYPE_STRUCT;
63  cls_struct_type.elements = cls_struct_fields;
64 
65  cls_struct_fields[0] = &ffi_type_ushort;
66  cls_struct_fields[1] = &ffi_type_ushort;
67  cls_struct_fields[2] = &ffi_type_uchar;
68  cls_struct_fields[3] = NULL;
69 
70  dbl_arg_types[0] = &cls_struct_type;
71  dbl_arg_types[1] = &cls_struct_type;
72  dbl_arg_types[2] = NULL;
73 
74  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
75  dbl_arg_types) == FFI_OK);
76 
77  args_dbl[0] = &g_dbl;
78  args_dbl[1] = &f_dbl;
79  args_dbl[2] = NULL;
80 
81  ffi_call(&cif, FFI_FN(cls_struct_5byte_fn), &res_dbl, args_dbl);
82  /* { dg-output "127 120 1 12 128 9: 139 248 10" } */
83  printf("res: %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c);
84  /* { dg-output "\nres: 139 248 10" } */
85 
86  res_dbl.a = 0;
87  res_dbl.b = 0;
88  res_dbl.c = 0;
89 
90  CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_5byte_gn, NULL, code) == FFI_OK);
91 
92  res_dbl = ((cls_struct_5byte(*)(cls_struct_5byte, cls_struct_5byte))(code))(g_dbl, f_dbl);
93  /* { dg-output "\n127 120 1 12 128 9: 139 248 10" } */
94  printf("res: %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c);
95  /* { dg-output "\nres: 139 248 10" } */
96 
97  exit(0);
98 }
printf
int int int printf(const char *__restrict,...) __attribute__((__format__(__printf__
NULL
#define NULL
Definition: _sdbm.c:101
exit
void exit(int __status) __attribute__((__noreturn__))
ffitest.h
cls_struct_5byte
struct cls_struct_5byte cls_struct_5byte
main
int main(void)
Definition: cls_5byte.c:46
__UNUSED__
#define __UNUSED__
Definition: ffitest.h:28
CHECK
#define CHECK(sub)
Definition: compile.c:448
cls_struct_5byte::b
unsigned short b
Definition: cls_5byte.c:13
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_fn
cls_struct_5byte cls_struct_5byte_fn(struct cls_struct_5byte a1, struct cls_struct_5byte a2)
Definition: cls_5byte.c:17
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
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_5byte::a
unsigned short a
Definition: cls_5byte.c:12
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