| /* |
| * 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, |
| kernel_ulong_t len, const void *opaque_data); |
| extern void |
| decode_nlattr(struct tcb *, |
| kernel_ulong_t addr, |
| kernel_ulong_t 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, \ |
| kernel_ulong_t len, const void *) |
| 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(str); |
| DECL_NLA(strn); |
| |
| #endif /* !STRACE_NLATTR_H */ |
