strace/nlattr.h
Dmitry V. Levin 300d9f1fee netlink: print descriptor attributes using printfd
* nlattr.h (DECL_NLA(fd)): New prototype.
* nlattr.c (decode_nla_fd): New function.
* rtnl_link.c (ifla_xdp_nla_decoders) <IFLA_XDP_FD>: Use it.
(ifinfomsg_nla_decoders) <IFLA_NET_NS_FD>: Likewise.
* rtnl_nsid.c (rtgenmsg_nla_decoders) <NETNSA_FD>: Likewise.
* NEWS: Mention this.
2017-11-15 15:30:49 +00:00

70 lines
2.4 KiB
C

/*
* Copyright (c) 2016 Fabien Siron <fabien.siron@epita.fr>
* Copyright (c) 2017 JingPiao Chen <chenjingpiao@gmail.com>
* Copyright (c) 2016-2017 The strace developers.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef STRACE_NLATTR_H
#define STRACE_NLATTR_H
typedef bool (*nla_decoder_t)(struct tcb *, kernel_ulong_t addr,
unsigned int len, const void *opaque_data);
extern void
decode_nlattr(struct tcb *,
kernel_ulong_t addr,
unsigned int len,
const struct xlat *,
const char *dflt,
const nla_decoder_t *,
unsigned int size,
const void *opaque_data);
#define DECL_NLA(name) \
extern bool \
decode_nla_ ## name(struct tcb *, kernel_ulong_t addr, \
unsigned int len, const void *) \
/* End of DECL_NLA definition. */
DECL_NLA(u8);
DECL_NLA(u16);
DECL_NLA(u32);
DECL_NLA(u64);
DECL_NLA(s8);
DECL_NLA(s16);
DECL_NLA(s32);
DECL_NLA(s64);
DECL_NLA(be16);
DECL_NLA(be64);
DECL_NLA(str);
DECL_NLA(strn);
DECL_NLA(fd);
DECL_NLA(ifindex);
DECL_NLA(meminfo);
DECL_NLA(rt_class);
DECL_NLA(tc_stats);
#endif /* !STRACE_NLATTR_H */