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/*
* Copyright (c) 2015-2018 Dmitry V. Levin <ldv@strace.io>
* All rights reserved.
*
* SPDX-License-Identifier: LGPL-2.1-or-later
*/
#include "defs.h"
#include DEF_MPERS_TYPE(struct_sock_fprog)
#include <linux/filter.h>
typedef struct sock_fprog struct_sock_fprog;
#include MPERS_DEFS
#include "bpf_fprog.h"
MPERS_PRINTER_DECL(unsigned int, get_sock_fprog_size, void)
{
return sizeof(struct_sock_fprog);
}
MPERS_PRINTER_DECL(bool, fetch_bpf_fprog, struct tcb *const tcp,
const kernel_ulong_t addr, void *const p)
{
struct bpf_fprog *pfp = p;
struct_sock_fprog mfp;
if ((sizeof(*pfp) == sizeof(mfp))
&& (offsetof(struct bpf_fprog, filter) ==
offsetof(struct_sock_fprog, filter)))
return !umove_or_printaddr(tcp, addr, pfp);
if (umove_or_printaddr(tcp, addr, &mfp))
return false;
pfp->len = mfp.len;
pfp->filter =
#ifndef IN_MPERS
(uintptr_t)
#endif
mfp.filter;
return true;
}
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