Ruby: ext/fiddle/libffi-3.2.1/testsuite/libffi.call/cls_6_1_byte.c Source File

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

cls_6_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_6byte {
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} cls_struct_6byte;
19
20 cls_struct_6byte cls_struct_6byte_fn(struct cls_struct_6byte a1,
21 struct cls_struct_6byte a2)
22{
23 struct cls_struct_6byte result;
24
25 result.a = a1.a + a2.a;
26 result.b = a1.b + a2.b;
27 result.c = a1.c + a2.c;
28 result.d = a1.d + a2.d;
29 result.e = a1.e + a2.e;
30 result.f = a1.f + a2.f;
31
32 printf("%d %d %d %d %d %d %d %d %d %d %d %d: %d %d %d %d %d %d\n",
33 a1.a, a1.b, a1.c, a1.d, a1.e, a1.f,
34 a2.a, a2.b, a2.c, a2.d, a2.e, a2.f,
35 result.a, result.b, result.c, result.d, result.e, result.f);
36
37 return result;
38}
39
40static void
41cls_struct_6byte_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
42 void* userdata __UNUSED__)
43{
44
45 struct cls_struct_6byte a1, a2;
46
47 a1 = *(struct cls_struct_6byte*)(args[0]);
48 a2 = *(struct cls_struct_6byte*)(args[1]);
49
50 *(cls_struct_6byte*)resp = cls_struct_6byte_fn(a1, a2);
51}
52
53 int main (void)
54{
55 ffi_cif cif;
56 void *code;
57 ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
58 void* args_dbl[5];
59 ffi_type* cls_struct_fields[7];
60 ffi_type cls_struct_type;
61 ffi_type* dbl_arg_types[5];
62
63 struct cls_struct_6byte g_dbl = { 127, 120, 1, 3, 4, 5 };
64 struct cls_struct_6byte f_dbl = { 12, 128, 9, 3, 4, 5 };
65 struct cls_struct_6byte res_dbl = { 0, 0, 0, 0, 0, 0 };
66
67 cls_struct_type.size = 0;
68 cls_struct_type.alignment = 0;
69 cls_struct_type.type = FFI_TYPE_STRUCT;
70 cls_struct_type.elements = cls_struct_fields;
71
72 cls_struct_fields[0] = &ffi_type_uchar;
73 cls_struct_fields[1] = &ffi_type_uchar;
74 cls_struct_fields[2] = &ffi_type_uchar;
75 cls_struct_fields[3] = &ffi_type_uchar;
76 cls_struct_fields[4] = &ffi_type_uchar;
77 cls_struct_fields[5] = &ffi_type_uchar;
78 cls_struct_fields[6] = NULL;
79
80 dbl_arg_types[0] = &cls_struct_type;
81 dbl_arg_types[1] = &cls_struct_type;
82 dbl_arg_types[2] = NULL;
83
84 CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
85 dbl_arg_types) == FFI_OK);
86
87 args_dbl[0] = &g_dbl;
88 args_dbl[1] = &f_dbl;
89 args_dbl[2] = NULL;
90
91 ffi_call(&cif, FFI_FN(cls_struct_6byte_fn), &res_dbl, args_dbl);
92 /* { dg-output "127 120 1 3 4 5 12 128 9 3 4 5: 139 248 10 6 8 10" } */
93 printf("res: %d %d %d %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c,
94 res_dbl.d, res_dbl.e, res_dbl.f);
95 /* { dg-output "\nres: 139 248 10 6 8 10" } */
96
97 res_dbl.a = 0;
98 res_dbl.b = 0;
99 res_dbl.c = 0;
100 res_dbl.d = 0;
101 res_dbl.e = 0;
102 res_dbl.f = 0;
103
104 CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_6byte_gn, NULL, code) == FFI_OK);
105
106 res_dbl = ((cls_struct_6byte(*)(cls_struct_6byte, cls_struct_6byte))(code))(g_dbl, f_dbl);
107 /* { dg-output "\n127 120 1 3 4 5 12 128 9 3 4 5: 139 248 10 6 8 10" } */
108 printf("res: %d %d %d %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c,
109 res_dbl.d, res_dbl.e, res_dbl.f);
110 /* { dg-output "\nres: 139 248 10 6 8 10" } */
111
112 exit(0);
113}
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
cls_struct_6byte_fn
cls_struct_6byte cls_struct_6byte_fn(struct cls_struct_6byte a1, struct cls_struct_6byte a2)
Definition: cls_6_1_byte.c:20
cls_struct_6byte
struct cls_struct_6byte cls_struct_6byte
main
int main(void)
Definition: cls_6_1_byte.c:53
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_6byte
Definition: cls_6_1_byte.c:11
cls_struct_6byte::c
unsigned char c
Definition: cls_6_1_byte.c:14
cls_struct_6byte::a
unsigned char a
Definition: cls_6_1_byte.c:12
cls_struct_6byte::f
unsigned char f
Definition: cls_6_1_byte.c:17
cls_struct_6byte::d
unsigned char d
Definition: cls_6_1_byte.c:15
cls_struct_6byte::e
unsigned char e
Definition: cls_6_1_byte.c:16
cls_struct_6byte::b
unsigned char b
Definition: cls_6_1_byte.c:13
code
Definition: inftree9.h:24