Ruby: ext/fiddle/libffi-3.2.1/testsuite/libffi.call/cls_5_1_byte.c Source File

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

cls_5_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_5byte {
12 unsigned char a;
13 unsigned char b;
14 unsigned char c;
15 unsigned char d;
16 unsigned char e;
17} cls_struct_5byte;
18
19 cls_struct_5byte cls_struct_5byte_fn(struct cls_struct_5byte a1,
20 struct cls_struct_5byte a2)
21{
22 struct cls_struct_5byte result;
23
24 result.a = a1.a + a2.a;
25 result.b = a1.b + a2.b;
26 result.c = a1.c + a2.c;
27 result.d = a1.d + a2.d;
28 result.e = a1.e + a2.e;
29
30 printf("%d %d %d %d %d %d %d %d %d %d: %d %d %d %d %d\n",
31 a1.a, a1.b, a1.c, a1.d, a1.e,
32 a2.a, a2.b, a2.c, a2.d, a2.e,
33 result.a, result.b, result.c, result.d, result.e);
34
35 return result;
36}
37
38static void
39cls_struct_5byte_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
40 void* userdata __UNUSED__)
41{
42
43 struct cls_struct_5byte a1, a2;
44
45 a1 = *(struct cls_struct_5byte*)(args[0]);
46 a2 = *(struct cls_struct_5byte*)(args[1]);
47
48 *(cls_struct_5byte*)resp = cls_struct_5byte_fn(a1, a2);
49}
50
51 int main (void)
52{
53 ffi_cif cif;
54 void *code;
55 ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
56 void* args_dbl[5];
57 ffi_type* cls_struct_fields[6];
58 ffi_type cls_struct_type;
59 ffi_type* dbl_arg_types[5];
60
61 struct cls_struct_5byte g_dbl = { 127, 120, 1, 3, 4 };
62 struct cls_struct_5byte f_dbl = { 12, 128, 9, 3, 4 };
63 struct cls_struct_5byte res_dbl = { 0, 0, 0, 0, 0 };
64
65 cls_struct_type.size = 0;
66 cls_struct_type.alignment = 0;
67 cls_struct_type.type = FFI_TYPE_STRUCT;
68 cls_struct_type.elements = cls_struct_fields;
69
70 cls_struct_fields[0] = &ffi_type_uchar;
71 cls_struct_fields[1] = &ffi_type_uchar;
72 cls_struct_fields[2] = &ffi_type_uchar;
73 cls_struct_fields[3] = &ffi_type_uchar;
74 cls_struct_fields[4] = &ffi_type_uchar;
75 cls_struct_fields[5] = NULL;
76
77 dbl_arg_types[0] = &cls_struct_type;
78 dbl_arg_types[1] = &cls_struct_type;
79 dbl_arg_types[2] = NULL;
80
81 CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
82 dbl_arg_types) == FFI_OK);
83
84 args_dbl[0] = &g_dbl;
85 args_dbl[1] = &f_dbl;
86 args_dbl[2] = NULL;
87
88 ffi_call(&cif, FFI_FN(cls_struct_5byte_fn), &res_dbl, args_dbl);
89 /* { dg-output "127 120 1 3 4 12 128 9 3 4: 139 248 10 6 8" } */
90 printf("res: %d %d %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c,
91 res_dbl.d, res_dbl.e);
92 /* { dg-output "\nres: 139 248 10 6 8" } */
93
94 res_dbl.a = 0;
95 res_dbl.b = 0;
96 res_dbl.c = 0;
97 res_dbl.d = 0;
98 res_dbl.e = 0;
99
100 CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_5byte_gn, NULL, code) == FFI_OK);
101
102 res_dbl = ((cls_struct_5byte(*)(cls_struct_5byte, cls_struct_5byte))(code))(g_dbl, f_dbl);
103 /* { dg-output "\n127 120 1 3 4 12 128 9 3 4: 139 248 10 6 8" } */
104 printf("res: %d %d %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c,
105 res_dbl.d, res_dbl.e);
106 /* { dg-output "\nres: 139 248 10 6 8" } */
107
108 exit(0);
109}
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_5_1_byte.c:51
cls_struct_5byte_fn
cls_struct_5byte cls_struct_5byte_fn(struct cls_struct_5byte a1, struct cls_struct_5byte a2)
Definition: cls_5_1_byte.c:19
cls_struct_5byte
struct cls_struct_5byte cls_struct_5byte
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_5byte
Definition: cls_5_1_byte.c:11
cls_struct_5byte::b
unsigned char b
Definition: cls_5_1_byte.c:13
cls_struct_5byte::e
unsigned char e
Definition: cls_5_1_byte.c:16
cls_struct_5byte::c
unsigned char c
Definition: cls_5_1_byte.c:14
cls_struct_5byte::a
unsigned char a
Definition: cls_5_1_byte.c:12
cls_struct_5byte::d
unsigned char d
Definition: cls_5_1_byte.c:15
code
Definition: inftree9.h:24