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112 lines
3.4 KiB
112 lines
3.4 KiB
/* |
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* Copyright (c) 2016 Fabien Siron <fabien.siron@epita.fr> |
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* Copyright (c) 2017 JingPiao Chen <chenjingpiao@gmail.com> |
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* Copyright (c) 2016-2018 The strace developers. |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* 3. The name of the author may not be used to endorse or promote products |
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* derived from this software without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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#ifndef STRACE_NLATTR_H |
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#define STRACE_NLATTR_H |
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#include "xlat.h" |
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struct decode_nla_xlat_opts { |
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const struct xlat *xlat; |
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size_t xlat_size; /* is not needed for XT_NORMAL */ |
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const char *dflt; |
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enum xlat_type xt; |
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enum xlat_style style; |
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const char *prefix; |
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const char *suffix; |
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uint64_t (*process_fn)(uint64_t val); |
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size_t size; |
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}; |
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/* |
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* Used for IFLA_LINKINFO decoding. Since there are no other indicators |
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* regarding the nature of data except for previously provided string |
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* in an IFLA_LINKINFO_KIND attribute, we have to store it in order to pass |
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* between calls as an opaque data. |
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*/ |
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struct ifla_linkinfo_ctx { |
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char kind[16]; |
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}; |
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typedef bool (*nla_decoder_t)(struct tcb *, kernel_ulong_t addr, |
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unsigned int len, const void *opaque_data); |
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/** |
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* The case of non-NULL decoders and zero size is handled in a special way: |
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* the zeroth decoder is always called with nla_type being passed as opaque |
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* data. |
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*/ |
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extern void |
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decode_nlattr(struct tcb *, |
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kernel_ulong_t addr, |
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unsigned int len, |
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const struct xlat *, |
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const char *dflt, |
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const nla_decoder_t *decoders, |
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unsigned int size, |
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const void *opaque_data); |
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#define DECL_NLA(name) \ |
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extern bool \ |
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decode_nla_ ## name(struct tcb *, kernel_ulong_t addr, \ |
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unsigned int len, const void *) \ |
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/* End of DECL_NLA definition. */ |
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DECL_NLA(x8); |
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DECL_NLA(x16); |
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DECL_NLA(x32); |
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DECL_NLA(x64); |
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DECL_NLA(u8); |
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DECL_NLA(u16); |
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DECL_NLA(u32); |
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DECL_NLA(u64); |
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DECL_NLA(s8); |
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DECL_NLA(s16); |
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DECL_NLA(s32); |
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DECL_NLA(s64); |
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DECL_NLA(be16); |
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DECL_NLA(be64); |
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DECL_NLA(xval); |
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DECL_NLA(flags); |
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DECL_NLA(str); |
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DECL_NLA(strn); |
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DECL_NLA(fd); |
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DECL_NLA(uid); |
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DECL_NLA(gid); |
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DECL_NLA(ifindex); |
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DECL_NLA(ether_proto); |
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DECL_NLA(ip_proto); |
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DECL_NLA(in_addr); |
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DECL_NLA(in6_addr); |
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DECL_NLA(meminfo); |
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DECL_NLA(rt_class); |
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DECL_NLA(rt_proto); |
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DECL_NLA(tc_stats); |
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#endif /* !STRACE_NLATTR_H */
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