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

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

cls_dbls_struct.c
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1/* Area: ffi_call, closure_call
2 Purpose: Check double arguments in structs.
3 Limitations: none.
4 PR: none.
5 Originator: Blake Chaffin 6/23/2007 */
6
7/* { dg-do run } */
8
9#include "ffitest.h"
10
11 typedef struct Dbls {
12 double x;
13 double y;
14} Dbls;
15
16void
17closure_test_fn(Dbls p)
18{
19 printf("%.1f %.1f\n", p.x, p.y);
20}
21
22void
23closure_test_gn(ffi_cif* cif __UNUSED__, void* resp __UNUSED__,
24 void** args, void* userdata __UNUSED__)
25{
26 closure_test_fn(*(Dbls*)args[0]);
27}
28
29 int main(int argc __UNUSED__, char** argv __UNUSED__)
30{
31 ffi_cif cif;
32
33 void *code;
34 ffi_closure* pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
35 ffi_type* cl_arg_types[1];
36
37 ffi_type ts1_type;
38 ffi_type* ts1_type_elements[4];
39
40 Dbls arg = { 1.0, 2.0 };
41
42 ts1_type.size = 0;
43 ts1_type.alignment = 0;
44 ts1_type.type = FFI_TYPE_STRUCT;
45 ts1_type.elements = ts1_type_elements;
46
47 ts1_type_elements[0] = &ffi_type_double;
48 ts1_type_elements[1] = &ffi_type_double;
49 ts1_type_elements[2] = NULL;
50
51 cl_arg_types[0] = &ts1_type;
52
53 /* Initialize the cif */
54 CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1,
55 &ffi_type_void, cl_arg_types) == FFI_OK);
56
57 CHECK(ffi_prep_closure_loc(pcl, &cif, closure_test_gn, NULL, code) == FFI_OK);
58
59 ((void*(*)(Dbls))(code))(arg);
60 /* { dg-output "1.0 2.0\n" } */
61
62 closure_test_fn(arg);
63 /* { dg-output "1.0 2.0\n" } */
64
65 return 0;
66}
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_DEFAULT_ABI
@ FFI_DEFAULT_ABI
Definition: ffitarget.h:38
main
int main(void)
Definition: closure_fn0.c:49
closure_test_gn
void closure_test_gn(ffi_cif *cif __UNUSED__, void *resp __UNUSED__, void **args, void *userdata __UNUSED__)
Definition: cls_dbls_struct.c:23
closure_test_fn
void closure_test_fn(Dbls p)
Definition: cls_dbls_struct.c:17
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
argc
int argc
Definition: ruby.c:240
argv
char ** argv
Definition: ruby.c:241
Dbls
Definition: cls_dbls_struct.c:11
Dbls::x
double x
Definition: cls_dbls_struct.c:12
Dbls::y
double y
Definition: cls_dbls_struct.c:13
code
Definition: inftree9.h:24
ffi_type_void
const ffi_type ffi_type_void
Definition: types.c:63