Ruby  2.7.1p83(2020-03-31revisiona0c7c23c9cec0d0ffcba012279cd652d28ad5bf3)
cls_multi_ushort.c
Go to the documentation of this file.
1 /* Area: ffi_call, closure_call
2  Purpose: Check passing of multiple unsigned short values.
3  Limitations: none.
4  PR: PR13221.
5  Originator: <andreast@gcc.gnu.org> 20031129 */
6 
7 /* { dg-do run } */
8 #include "ffitest.h"
9 
10 unsigned short test_func_fn(unsigned short a1, unsigned short a2)
11 {
12  unsigned short result;
13 
14  result = a1 + a2;
15 
16  printf("%d %d: %d\n", a1, a2, result);
17 
18  return result;
19 
20 }
21 
22 static void test_func_gn(ffi_cif *cif __UNUSED__, void *rval, void **avals,
23  void *data __UNUSED__)
24 {
25  unsigned short a1, a2;
26 
27  a1 = *(unsigned short *)avals[0];
28  a2 = *(unsigned short *)avals[1];
29 
30  *(ffi_arg *)rval = test_func_fn(a1, a2);
31 
32 }
33 
34 typedef unsigned short (*test_type)(unsigned short, unsigned short);
35 
36 int main (void)
37 {
38  ffi_cif cif;
39  void *code;
40  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
41  void * args_dbl[3];
42  ffi_type * cl_arg_types[3];
43  ffi_arg res_call;
44  unsigned short a, b, res_closure;
45 
46  a = 2;
47  b = 32765;
48 
49  args_dbl[0] = &a;
50  args_dbl[1] = &b;
51  args_dbl[2] = NULL;
52 
53  cl_arg_types[0] = &ffi_type_ushort;
54  cl_arg_types[1] = &ffi_type_ushort;
55  cl_arg_types[2] = NULL;
56 
57  /* Initialize the cif */
59  &ffi_type_ushort, cl_arg_types) == FFI_OK);
60 
61  ffi_call(&cif, FFI_FN(test_func_fn), &res_call, args_dbl);
62  /* { dg-output "2 32765: 32767" } */
63  printf("res: %d\n", (unsigned short)res_call);
64  /* { dg-output "\nres: 32767" } */
65 
66  CHECK(ffi_prep_closure_loc(pcl, &cif, test_func_gn, NULL, code) == FFI_OK);
67 
68  res_closure = (*((test_type)code))(2, 32765);
69  /* { dg-output "\n2 32765: 32767" } */
70  printf("res: %d\n", res_closure);
71  /* { dg-output "\nres: 32767" } */
72 
73  exit(0);
74 }
ffi_arg
unsigned long ffi_arg
Definition: ffitarget.h:30
main
int main(void)
Definition: cls_multi_ushort.c:36
NULL
#define NULL
Definition: _sdbm.c:101
ffitest.h
__UNUSED__
#define __UNUSED__
Definition: ffitest.h:28
CHECK
#define CHECK(sub)
Definition: compile.c:448
short
#define short
Definition: rb_mjit_min_header-2.7.1.h:2877
FFI_DEFAULT_ABI
@ FFI_DEFAULT_ABI
Definition: ffitarget.h:38
test_func_fn
unsigned short test_func_fn(unsigned short a1, unsigned short a2)
Definition: cls_multi_ushort.c:10
test_type
unsigned short(* test_type)(unsigned short, unsigned short)
Definition: cls_multi_ushort.c:34
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__
ffi_call
void ffi_call(ffi_cif *cif, void(*fn)(void), void *rvalue, void **avalue)
Definition: ffi.c:813
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