Ruby: ext/fiddle/libffi-3.2.1/testsuite/libffi.call/cls_12byte.c Source File

Ruby 3.0.5p211 (2022-11-24 revision ba5cf0f7c52d4d35cc6a173c89eda98ceffa2dcf)

cls_12byte.c
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1/* Area: ffi_call, closure_call
2 Purpose: Check structure passing with different structure size.
3 Limitations: none.
4 PR: none.
5 Originator: <andreast@gcc.gnu.org> 20030828 */
6
7/* { dg-do run } */
8#include "ffitest.h"
9
10 typedef struct cls_struct_12byte {
11 int a;
12 int b;
13 int c;
14} cls_struct_12byte;
15
16 cls_struct_12byte cls_struct_12byte_fn(struct cls_struct_12byte b1,
17 struct cls_struct_12byte b2)
18{
19 struct cls_struct_12byte result;
20
21 result.a = b1.a + b2.a;
22 result.b = b1.b + b2.b;
23 result.c = b1.c + b2.c;
24
25 printf("%d %d %d %d %d %d: %d %d %d\n", b1.a, b1.b, b1.c, b2.a, b2.b, b2.c,
26 result.a, result.b, result.c);
27
28 return result;
29}
30
31static void cls_struct_12byte_gn(ffi_cif* cif __UNUSED__, void* resp,
32 void** args , void* userdata __UNUSED__)
33{
34 struct cls_struct_12byte b1, b2;
35
36 b1 = *(struct cls_struct_12byte*)(args[0]);
37 b2 = *(struct cls_struct_12byte*)(args[1]);
38
39 *(cls_struct_12byte*)resp = cls_struct_12byte_fn(b1, b2);
40}
41
42 int main (void)
43{
44 ffi_cif cif;
45 void *code;
46 ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
47 void* args_dbl[5];
48 ffi_type* cls_struct_fields[4];
49 ffi_type cls_struct_type;
50 ffi_type* dbl_arg_types[5];
51
52 struct cls_struct_12byte h_dbl = { 7, 4, 9 };
53 struct cls_struct_12byte j_dbl = { 1, 5, 3 };
54 struct cls_struct_12byte res_dbl;
55
56 cls_struct_type.size = 0;
57 cls_struct_type.alignment = 0;
58 cls_struct_type.type = FFI_TYPE_STRUCT;
59 cls_struct_type.elements = cls_struct_fields;
60
61 cls_struct_fields[0] = &ffi_type_sint;
62 cls_struct_fields[1] = &ffi_type_sint;
63 cls_struct_fields[2] = &ffi_type_sint;
64 cls_struct_fields[3] = 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_12byte_fn), &res_dbl, args_dbl);
78 /* { dg-output "7 4 9 1 5 3: 8 9 12" } */
79 printf("res: %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c);
80 /* { dg-output "\nres: 8 9 12" } */
81
82 CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_12byte_gn, NULL, code) == FFI_OK);
83
84 res_dbl.a = 0;
85 res_dbl.b = 0;
86 res_dbl.c = 0;
87
88 res_dbl = ((cls_struct_12byte(*)(cls_struct_12byte, cls_struct_12byte))(code))(h_dbl, j_dbl);
89 /* { dg-output "\n7 4 9 1 5 3: 8 9 12" } */
90 printf("res: %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c);
91 /* { dg-output "\nres: 8 9 12" } */
92
93 exit(0);
94}
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
ffi_call
void ffi_call(ffi_cif *cif, void(*fn)(void), void *rvalue, void **avalue)
Definition: ffi.c:813
FFI_DEFAULT_ABI
@ FFI_DEFAULT_ABI
Definition: ffitarget.h:38
main
int main(void)
Definition: cls_12byte.c:42
cls_struct_12byte_fn
cls_struct_12byte cls_struct_12byte_fn(struct cls_struct_12byte b1, struct cls_struct_12byte b2)
Definition: cls_12byte.c:16
CHECK
#define CHECK(sub)
Definition: compile.c:429
ffitest.h
__UNUSED__
#define __UNUSED__
Definition: ffitest.h:23
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
NULL
#define NULL
Definition: regenc.h:69
cls_struct_12byte
Definition: cls_12byte.c:10
cls_struct_12byte::a
int a
Definition: cls_12byte.c:11
cls_struct_12byte::b
int b
Definition: cls_12byte.c:12
cls_struct_12byte::c
int c
Definition: cls_12byte.c:13
code
Definition: inftree9.h:24