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#include "ffitest.h"
signed char test_func_fn(signed char a1, signed char a2)
{
signed char result;
result = a1 + a2;
printf("%d %d: %d\n", a1, a2, result);
return result;
}
static void test_func_gn(ffi_cif *cif __UNUSED__, void *rval, void **avals,
void *data __UNUSED__)
{
signed char a1, a2;
a1 = *(signed char *)avals[0];
a2 = *(signed char *)avals[1];
*(ffi_arg *)rval = test_func_fn(a1, a2);
}
typedef signed char (*test_type)(signed char, signed char);
int main (void)
{
ffi_cif cif;
void *code;
ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
void * args_dbl[3];
ffi_type * cl_arg_types[3];
ffi_arg res_call;
signed char a, b, res_closure;
a = 2;
b = 125;
args_dbl[0] = &a;
args_dbl[1] = &b;
args_dbl[2] = NULL;
cl_arg_types[0] = &ffi_type_schar;
cl_arg_types[1] = &ffi_type_schar;
cl_arg_types[2] = NULL;
CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2,
&ffi_type_schar, cl_arg_types) == FFI_OK);
ffi_call(&cif, FFI_FN(test_func_fn), &res_call, args_dbl);
printf("res: %d\n", (signed char)res_call);
CHECK(ffi_prep_closure_loc(pcl, &cif, test_func_gn, NULL, code) == FFI_OK);
res_closure = (*((test_type)code))(2, 125);
printf("res: %d\n", res_closure);
exit(0);
}
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