Ruby  2.7.2p137(2020-10-01revision5445e0435260b449decf2ac16f9d09bae3cafe72)
cls_uchar.c
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1 /* Area: closure_call
2  Purpose: Check return value uchar.
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_uchar_fn(ffi_cif* cif __UNUSED__, void* resp, void** args,
11  void* userdata __UNUSED__)
12 {
13  *(ffi_arg*)resp = *(unsigned char *)args[0];
14  printf("%d: %d\n",*(unsigned char *)args[0],
15  (int)*(ffi_arg *)(resp));
16 }
17 typedef unsigned char (*cls_ret_uchar)(unsigned char);
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  unsigned char res;
26 
27  cl_arg_types[0] = &ffi_type_uchar;
28  cl_arg_types[1] = NULL;
29 
30  /* Initialize the cif */
32  &ffi_type_uchar, cl_arg_types) == FFI_OK);
33 
34  CHECK(ffi_prep_closure_loc(pcl, &cif, cls_ret_uchar_fn, NULL, code) == FFI_OK);
35 
36  res = (*((cls_ret_uchar)code))(127);
37  /* { dg-output "127: 127" } */
38  printf("res: %d\n",res);
39  /* { dg-output "\nres: 127" } */
40 
41  exit(0);
42 }
ffi_arg
unsigned long ffi_arg
Definition: ffitarget.h:30
cls_ret_uchar
unsigned char(* cls_ret_uchar)(unsigned char)
Definition: cls_uchar.c:17
NULL
#define NULL
Definition: _sdbm.c:101
ffitest.h
__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_type_uchar
#define ffi_type_uchar
Definition: fiddle.h:55
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
exit
void exit(int __status) __attribute__((__noreturn__))
printf
int int int printf(const char *__restrict,...) __attribute__((__format__(__printf__
main
int main(void)
Definition: cls_uchar.c:19
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
char
#define char
Definition: rb_mjit_min_header-2.7.2.h:2916