1 /* 2 * Copyright (c) 2016 Fabien Siron <fabien.siron (at) epita.fr> 3 * Copyright (c) 2017 JingPiao Chen <chenjingpiao (at) 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 unsigned int len, const void *opaque_data); 35 extern void 36 decode_nlattr(struct tcb *, 37 kernel_ulong_t addr, 38 unsigned int 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 unsigned int len, const void *) \ 49 /* End of DECL_NLA definition. */ 50 51 DECL_NLA(u8); 52 DECL_NLA(u16); 53 DECL_NLA(u32); 54 DECL_NLA(u64); 55 DECL_NLA(s8); 56 DECL_NLA(s16); 57 DECL_NLA(s32); 58 DECL_NLA(s64); 59 DECL_NLA(be16); 60 DECL_NLA(be64); 61 DECL_NLA(str); 62 DECL_NLA(strn); 63 DECL_NLA(fd); 64 DECL_NLA(ifindex); 65 DECL_NLA(meminfo); 66 DECL_NLA(rt_class); 67 DECL_NLA(tc_stats); 68 69 #endif /* !STRACE_NLATTR_H */ 70
