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

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

cls_sint.c
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1/* Area: closure_call
2 Purpose: Check return value sint32.
3 Limitations: none.
4 PR: none.
5 Originator: <andreast@gcc.gnu.org> 20031108 */
6
7/* { dg-do run } */
8#include "ffitest.h"
9
10static void cls_ret_sint_fn(ffi_cif* cif __UNUSED__, void* resp, void** args,
11 void* userdata __UNUSED__)
12{
13 *(ffi_arg*)resp = *(signed int *)args[0];
14 printf("%d: %d\n",*(signed int *)args[0],
15 (int)*(ffi_arg *)(resp));
16}
17 typedef signed int (*cls_ret_sint)(signed int);
18
19 int main (void)
20{
21 ffi_cif cif;
22 void *code;
23 ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
24 ffi_type * cl_arg_types[2];
25 signed int res;
26
27 cl_arg_types[0] = &ffi_type_sint;
28 cl_arg_types[1] = NULL;
29
30 /* Initialize the cif */
31 CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1,
32 &ffi_type_sint, cl_arg_types) == FFI_OK);
33
34 CHECK(ffi_prep_closure_loc(pcl, &cif, cls_ret_sint_fn, NULL, code) == FFI_OK);
35
36 res = (*((cls_ret_sint)code))(65534);
37 /* { dg-output "65534: 65534" } */
38 printf("res: %d\n",res);
39 /* { dg-output "\nres: 65534" } */
40
41 exit(0);
42}
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_arg
unsigned long ffi_arg
Definition: ffitarget.h:30
FFI_DEFAULT_ABI
@ FFI_DEFAULT_ABI
Definition: ffitarget.h:38
cls_ret_sint
signed int(* cls_ret_sint)(signed int)
Definition: cls_sint.c:17
main
int main(void)
Definition: cls_sint.c:19
CHECK
#define CHECK(sub)
Definition: compile.c:429
ffitest.h
__UNUSED__
#define __UNUSED__
Definition: ffitest.h:23
int
typedef int(ZCALLBACK *close_file_func) OF((voidpf opaque
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
code
Definition: inftree9.h:24