Ruby  2.7.0p0(2019-12-25revision647ee6f091eafcce70ffb75ddf7e121e192ab217)
cls_9byte1.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. Darwin/AIX do double-word
4  alignment of the struct if the first element is a double.
5  Check that it does not here.
6  Limitations: none.
7  PR: none.
8  Originator: <andreast@gcc.gnu.org> 20030914 */
9 
10 /* { dg-do run } */
11 #include "ffitest.h"
12 
13 typedef struct cls_struct_9byte {
14  int a;
15  double b;
17 
19  struct cls_struct_9byte b2)
20 {
21  struct cls_struct_9byte result;
22 
23  result.a = b1.a + b2.a;
24  result.b = b1.b + b2.b;
25 
26  printf("%d %g %d %g: %d %g\n", b1.a, b1.b, b2.a, b2.b,
27  result.a, result.b);
28 
29  return result;
30 }
31 
32 static void cls_struct_9byte_gn(ffi_cif* cif __UNUSED__, void* resp,
33  void** args, void* userdata __UNUSED__)
34 {
35  struct cls_struct_9byte b1, b2;
36 
37  b1 = *(struct cls_struct_9byte*)(args[0]);
38  b2 = *(struct cls_struct_9byte*)(args[1]);
39 
40  *(cls_struct_9byte*)resp = cls_struct_9byte_fn(b1, b2);
41 }
42 
43 int main (void)
44 {
45  ffi_cif cif;
46  void *code;
47  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
48  void* args_dbl[3];
49  ffi_type* cls_struct_fields[3];
50  ffi_type cls_struct_type;
51  ffi_type* dbl_arg_types[3];
52 
53  struct cls_struct_9byte h_dbl = { 7, 8.0};
54  struct cls_struct_9byte j_dbl = { 1, 9.0};
55  struct cls_struct_9byte res_dbl;
56 
57  cls_struct_type.size = 0;
58  cls_struct_type.alignment = 0;
59  cls_struct_type.type = FFI_TYPE_STRUCT;
60  cls_struct_type.elements = cls_struct_fields;
61 
62  cls_struct_fields[0] = &ffi_type_sint;
63  cls_struct_fields[1] = &ffi_type_double;
64  cls_struct_fields[2] = NULL;
65 
66  dbl_arg_types[0] = &cls_struct_type;
67  dbl_arg_types[1] = &cls_struct_type;
68  dbl_arg_types[2] = NULL;
69 
70  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
71  dbl_arg_types) == FFI_OK);
72 
73  args_dbl[0] = &h_dbl;
74  args_dbl[1] = &j_dbl;
75  args_dbl[2] = NULL;
76 
77  ffi_call(&cif, FFI_FN(cls_struct_9byte_fn), &res_dbl, args_dbl);
78  /* { dg-output "7 8 1 9: 8 17" } */
79  printf("res: %d %g\n", res_dbl.a, res_dbl.b);
80  /* { dg-output "\nres: 8 17" } */
81 
82  CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_9byte_gn, NULL, code) == FFI_OK);
83 
84  res_dbl = ((cls_struct_9byte(*)(cls_struct_9byte, cls_struct_9byte))(code))(h_dbl, j_dbl);
85  /* { dg-output "\n7 8 1 9: 8 17" } */
86  printf("res: %d %g\n", res_dbl.a, res_dbl.b);
87  /* { dg-output "\nres: 8 17" } */
88 
89  exit(0);
90 }
cls_struct_9byte::a
int a
Definition: cls_9byte1.c:14
cls_struct_9byte::b
double b
Definition: cls_9byte1.c:15
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
__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
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_9byte
struct cls_struct_9byte cls_struct_9byte
main
int main(void)
Definition: cls_9byte1.c:43
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_9byte_fn
cls_struct_9byte cls_struct_9byte_fn(struct cls_struct_9byte b1, struct cls_struct_9byte b2)
Definition: cls_9byte1.c:18
cls_struct_9byte
Definition: cls_9byte1.c:13