gcc/libffi/testsuite/libffi.call/cls_uint.c

52 lines
1.2 KiB
C

/* Area: closure_call
Purpose: Check return value uint.
Limitations: none.
PR: none.
Originator: <andreast@gcc.gnu.org> 20030828 */
/* { dg-do run { xfail mips64*-*-* arm*-*-* strongarm*-*-* xscale*-*-* } } */
#include "ffitest.h"
static void cls_ret_uint_fn(ffi_cif* cif,void* resp,void** args,
void* userdata)
{
*(ffi_arg *)resp = *(unsigned int *)args[0];
printf("%d: %d\n",*(unsigned int *)args[0],
*(ffi_arg *)resp);
}
typedef unsigned int (*cls_ret_uint)(unsigned int);
int main (void)
{
ffi_cif cif;
#ifndef USING_MMAP
static ffi_closure cl;
#endif
ffi_closure *pcl;
ffi_type * cl_arg_types[2];
unsigned int res;
#ifdef USING_MMAP
pcl = allocate_mmap (sizeof(ffi_closure));
#else
pcl = &cl;
#endif
cl_arg_types[0] = &ffi_type_uint32;
cl_arg_types[1] = NULL;
/* Initialize the cif */
CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1,
&ffi_type_uint32, cl_arg_types) == FFI_OK);
CHECK(ffi_prep_closure(pcl, &cif, cls_ret_uint_fn, NULL) == FFI_OK);
res = (*((cls_ret_uint)pcl))(2147483647);
/* { dg-output "2147483647: 2147483647" } */
printf("res: %d\n",res);
/* { dg-output "\nres: 2147483647" } */
exit(0);
}