Ruby  2.7.2p137(2020-10-01revision5445e0435260b449decf2ac16f9d09bae3cafe72)
cls_uint.c
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1 /* Area: closure_call
2  Purpose: Check return value uint.
3  Limitations: none.
4  PR: none.
5  Originator: <andreast@gcc.gnu.org> 20030828 */
6 
7 /* { dg-do run } */
8 #include "ffitest.h"
9 
10 static void cls_ret_uint_fn(ffi_cif* cif __UNUSED__, void* resp, void** args,
11  void* userdata __UNUSED__)
12 {
13  *(ffi_arg *)resp = *(unsigned int *)args[0];
14 
15  printf("%d: %d\n",*(unsigned int *)args[0],
16  (int)*(ffi_arg *)(resp));
17 }
18 typedef unsigned int (*cls_ret_uint)(unsigned int);
19 
20 int main (void)
21 {
22  ffi_cif cif;
23  void *code;
24  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
25  ffi_type * cl_arg_types[2];
26  unsigned int res;
27 
28  cl_arg_types[0] = &ffi_type_uint;
29  cl_arg_types[1] = NULL;
30 
31  /* Initialize the cif */
33  &ffi_type_uint, cl_arg_types) == FFI_OK);
34 
35  CHECK(ffi_prep_closure_loc(pcl, &cif, cls_ret_uint_fn, NULL, code) == FFI_OK);
36 
37  res = (*((cls_ret_uint)code))(2147483647);
38  /* { dg-output "2147483647: 2147483647" } */
39  printf("res: %d\n",res);
40  /* { dg-output "\nres: 2147483647" } */
41 
42  exit(0);
43 }
ffi_arg
unsigned long ffi_arg
Definition: ffitarget.h:30
int
__inline__ int
Definition: rb_mjit_min_header-2.7.2.h:2877
NULL
#define NULL
Definition: _sdbm.c:101
ffitest.h
cls_ret_uint
unsigned int(* cls_ret_uint)(unsigned int)
Definition: cls_uint.c:18
__UNUSED__
#define __UNUSED__
Definition: ffitest.h:28
CHECK
#define CHECK(sub)
Definition: compile.c:448
FFI_DEFAULT_ABI
@ FFI_DEFAULT_ABI
Definition: ffitarget.h:38
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
main
int main(void)
Definition: cls_uint.c:20
exit
void exit(int __status) __attribute__((__noreturn__))
printf
int int int printf(const char *__restrict,...) __attribute__((__format__(__printf__
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