gcc/libffi/testsuite/libffi.closures/cls_sint.c
H.J. Lu 92456a4e56 libffi: Sync with libffi 3.4.2
Merged commit: f9ea41683444ebe11cfa45b05223899764df28fb
2021-10-20 05:35:52 -07:00

43 lines
1.0 KiB
C

/* Area: closure_call
Purpose: Check return value sint32.
Limitations: none.
PR: none.
Originator: <andreast@gcc.gnu.org> 20031108 */
/* { dg-do run } */
#include "ffitest.h"
static void cls_ret_sint_fn(ffi_cif* cif __UNUSED__, void* resp, void** args,
void* userdata __UNUSED__)
{
*(ffi_arg*)resp = *(signed int *)args[0];
printf("%d: %d\n",*(signed int *)args[0],
(int)*(ffi_arg *)(resp));
}
typedef signed int (*cls_ret_sint)(signed int);
int main (void)
{
ffi_cif cif;
void *code;
ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
ffi_type * cl_arg_types[2];
signed int res;
cl_arg_types[0] = &ffi_type_sint;
cl_arg_types[1] = NULL;
/* Initialize the cif */
CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1,
&ffi_type_sint, cl_arg_types) == FFI_OK);
CHECK(ffi_prep_closure_loc(pcl, &cif, cls_ret_sint_fn, NULL, code) == FFI_OK);
res = (*((cls_ret_sint)code))(65534);
/* { dg-output "65534: 65534" } */
printf("res: %d\n",res);
/* { dg-output "\nres: 65534" } */
exit(0);
}