Ruby: ext/fiddle/libffi-3.2.1/testsuite/libffi.call/cls_24byte.c Source File

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

cls_24byte.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_24byte {
12 double a;
13 double b;
14 int c;
15 float d;
16} cls_struct_24byte;
17
18 cls_struct_24byte cls_struct_24byte_fn(struct cls_struct_24byte b0,
19 struct cls_struct_24byte b1,
20 struct cls_struct_24byte b2,
21 struct cls_struct_24byte b3)
22{
23 struct cls_struct_24byte result;
24
25 result.a = b0.a + b1.a + b2.a + b3.a;
26 result.b = b0.b + b1.b + b2.b + b3.b;
27 result.c = b0.c + b1.c + b2.c + b3.c;
28 result.d = b0.d + b1.d + b2.d + b3.d;
29
30 printf("%g %g %d %g %g %g %d %g %g %g %d %g %g %g %d %g: %g %g %d %g\n",
31 b0.a, b0.b, b0.c, b0.d,
32 b1.a, b1.b, b1.c, b1.d,
33 b2.a, b2.b, b2.c, b2.d,
34 b3.a, b3.b, b3.c, b2.d,
35 result.a, result.b, result.c, result.d);
36
37 return result;
38}
39
40static void
41cls_struct_24byte_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
42 void* userdata __UNUSED__)
43{
44 struct cls_struct_24byte b0, b1, b2, b3;
45
46 b0 = *(struct cls_struct_24byte*)(args[0]);
47 b1 = *(struct cls_struct_24byte*)(args[1]);
48 b2 = *(struct cls_struct_24byte*)(args[2]);
49 b3 = *(struct cls_struct_24byte*)(args[3]);
50
51 *(cls_struct_24byte*)resp = cls_struct_24byte_fn(b0, b1, b2, b3);
52}
53
54 int main (void)
55{
56 ffi_cif cif;
57 void *code;
58 ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
59 void* args_dbl[5];
60 ffi_type* cls_struct_fields[5];
61 ffi_type cls_struct_type;
62 ffi_type* dbl_arg_types[5];
63
64 struct cls_struct_24byte e_dbl = { 9.0, 2.0, 6, 5.0 };
65 struct cls_struct_24byte f_dbl = { 1.0, 2.0, 3, 7.0 };
66 struct cls_struct_24byte g_dbl = { 4.0, 5.0, 7, 9.0 };
67 struct cls_struct_24byte h_dbl = { 8.0, 6.0, 1, 4.0 };
68 struct cls_struct_24byte res_dbl;
69
70 cls_struct_type.size = 0;
71 cls_struct_type.alignment = 0;
72 cls_struct_type.type = FFI_TYPE_STRUCT;
73 cls_struct_type.elements = cls_struct_fields;
74
75 cls_struct_fields[0] = &ffi_type_double;
76 cls_struct_fields[1] = &ffi_type_double;
77 cls_struct_fields[2] = &ffi_type_sint;
78 cls_struct_fields[3] = &ffi_type_float;
79 cls_struct_fields[4] = NULL;
80
81 dbl_arg_types[0] = &cls_struct_type;
82 dbl_arg_types[1] = &cls_struct_type;
83 dbl_arg_types[2] = &cls_struct_type;
84 dbl_arg_types[3] = &cls_struct_type;
85 dbl_arg_types[4] = NULL;
86
87 CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 4, &cls_struct_type,
88 dbl_arg_types) == FFI_OK);
89
90 args_dbl[0] = &e_dbl;
91 args_dbl[1] = &f_dbl;
92 args_dbl[2] = &g_dbl;
93 args_dbl[3] = &h_dbl;
94 args_dbl[4] = NULL;
95
96 ffi_call(&cif, FFI_FN(cls_struct_24byte_fn), &res_dbl, args_dbl);
97 /* { dg-output "9 2 6 5 1 2 3 7 4 5 7 9 8 6 1 9: 22 15 17 25" } */
98 printf("res: %g %g %d %g\n", res_dbl.a, res_dbl.b, res_dbl.c, res_dbl.d);
99 /* { dg-output "\nres: 22 15 17 25" } */
100
101 CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_24byte_gn, NULL, code) == FFI_OK);
102
103 res_dbl = ((cls_struct_24byte(*)(cls_struct_24byte,
104 cls_struct_24byte,
105 cls_struct_24byte,
106 cls_struct_24byte))
107 (code))(e_dbl, f_dbl, g_dbl, h_dbl);
108 /* { dg-output "\n9 2 6 5 1 2 3 7 4 5 7 9 8 6 1 9: 22 15 17 25" } */
109 printf("res: %g %g %d %g\n", res_dbl.a, res_dbl.b, res_dbl.c, res_dbl.d);
110 /* { dg-output "\nres: 22 15 17 25" } */
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_24byte_fn
cls_struct_24byte cls_struct_24byte_fn(struct cls_struct_24byte b0, struct cls_struct_24byte b1, struct cls_struct_24byte b2, struct cls_struct_24byte b3)
Definition: cls_24byte.c:18
main
int main(void)
Definition: cls_24byte.c:54
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_24byte
Definition: cls_24byte.c:11
cls_struct_24byte::a
double a
Definition: cls_24byte.c:12
cls_struct_24byte::b
double b
Definition: cls_24byte.c:13
cls_struct_24byte::d
float d
Definition: cls_24byte.c:15
cls_struct_24byte::c
int c
Definition: cls_24byte.c:14
code
Definition: inftree9.h:24