| Elliott Hughes | dc75b01 | 2017-07-05 13:54:44 -0700 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (c) 2016 Fabien Siron <fabien.siron@epita.fr> |
| 3 | * Copyright (c) 2017 JingPiao Chen <chenjingpiao@gmail.com> |
| 4 | * Copyright (c) 2016-2017 The strace developers. |
| 5 | * All rights reserved. |
| 6 | * |
| 7 | * Redistribution and use in source and binary forms, with or without |
| 8 | * modification, are permitted provided that the following conditions |
| 9 | * are met: |
| 10 | * 1. Redistributions of source code must retain the above copyright |
| 11 | * notice, this list of conditions and the following disclaimer. |
| 12 | * 2. Redistributions in binary form must reproduce the above copyright |
| 13 | * notice, this list of conditions and the following disclaimer in the |
| 14 | * documentation and/or other materials provided with the distribution. |
| 15 | * 3. The name of the author may not be used to endorse or promote products |
| 16 | * derived from this software without specific prior written permission. |
| 17 | * |
| 18 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| 19 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| 20 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| 21 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 22 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| 23 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 24 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 25 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 26 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| 27 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 28 | */ |
| 29 | |
| 30 | #ifndef STRACE_NLATTR_H |
| 31 | #define STRACE_NLATTR_H |
| 32 | |
| 33 | typedef bool (*nla_decoder_t)(struct tcb *, kernel_ulong_t addr, |
| 34 | kernel_ulong_t len, const void *opaque_data); |
| 35 | extern void |
| 36 | decode_nlattr(struct tcb *, |
| 37 | kernel_ulong_t addr, |
| 38 | kernel_ulong_t len, |
| 39 | const struct xlat *, |
| 40 | const char *dflt, |
| 41 | const nla_decoder_t *, |
| 42 | unsigned int size, |
| 43 | const void *opaque_data); |
| 44 | |
| 45 | #define DECL_NLA(name) \ |
| 46 | extern bool \ |
| 47 | decode_nla_ ## name(struct tcb *, kernel_ulong_t addr, \ |
| 48 | kernel_ulong_t len, const void *) |
| 49 | DECL_NLA(u8); |
| 50 | DECL_NLA(u16); |
| 51 | DECL_NLA(u32); |
| 52 | DECL_NLA(u64); |
| 53 | DECL_NLA(s8); |
| 54 | DECL_NLA(s16); |
| 55 | DECL_NLA(s32); |
| 56 | DECL_NLA(s64); |
| 57 | DECL_NLA(str); |
| 58 | DECL_NLA(strn); |
| 59 | |
| 60 | #endif /* !STRACE_NLATTR_H */ |