11 unsigned char a3,
unsigned char a4)
15 result = a1 + a2 + a3 + a4;
17 printf(
"%d %d %d %d: %d\n", a1, a2, a3, a4, result);
23static void test_func_gn(ffi_cif *cif
__UNUSED__,
void *rval,
void **avals,
26 unsigned char a1, a2, a3, a4;
28 a1 = *(
unsigned char *)avals[0];
29 a2 = *(
unsigned char *)avals[1];
30 a3 = *(
unsigned char *)avals[2];
31 a4 = *(
unsigned char *)avals[3];
37typedef unsigned char (*
test_type)(
unsigned char,
unsigned char,
38 unsigned char,
unsigned char);
43 printf(
"%d %d %d %d\n", *(
unsigned char *)avals[0],
44 *(
unsigned char *)avals[1], *(
unsigned char *)avals[2],
45 *(
unsigned char *)avals[3]);
51 ffi_closure *pcl = ffi_closure_alloc(
sizeof(ffi_closure), &
code);
53 ffi_type * cl_arg_types[5];
55 unsigned char a, b, c, d, res_closure;
68 cl_arg_types[0] = &ffi_type_uchar;
69 cl_arg_types[1] = &ffi_type_uchar;
70 cl_arg_types[2] = &ffi_type_uchar;
71 cl_arg_types[3] = &ffi_type_uchar;
72 cl_arg_types[4] =
NULL;
76 &ffi_type_uchar, cl_arg_types) == FFI_OK);
80 printf(
"res: %d\n", (
unsigned char)res_call);
87 printf(
"res: %d\n", res_closure);
ffi_status ffi_prep_closure_loc(ffi_closure *closure, ffi_cif *cif, void(*fun)(ffi_cif *, void *, void **, void *), void *user_data, void *codeloc)
void ffi_call(ffi_cif *cif, void(*fn)(void), void *rvalue, void **avalue)
void test_func(ffi_cif *cif __UNUSED__, void *rval __UNUSED__, void **avals, void *data __UNUSED__)
unsigned char(* test_type)(unsigned char, unsigned char, unsigned char, unsigned char)
unsigned char test_func_fn(unsigned char a1, unsigned char a2, unsigned char a3, unsigned char a4)
ffi_status ffi_prep_cif(ffi_cif *cif, ffi_abi abi, unsigned int nargs, ffi_type *rtype, ffi_type **atypes)