Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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kernel
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linux
1// SPDX-License-Identifier: GPL-2.0
2#include <stdio.h>
3#include <string.h>
4#include <inttypes.h>
5#include <endian.h>
6#include "event-parse.h"
7
8/*
9 * From glibc endian.h, for older systems where it is not present, e.g.: RHEL5,
10 * Fedora6.
11 */
12#ifndef le16toh
13# if __BYTE_ORDER == __LITTLE_ENDIAN
14# define le16toh(x) (x)
15# else
16# define le16toh(x) __bswap_16 (x)
17# endif
18#endif
19
20
21static unsigned long long
22process___le16_to_cpup(struct trace_seq *s, unsigned long long *args)
23{
24 uint16_t *val = (uint16_t *) (unsigned long) args[0];
25 return val ? (long long) le16toh(*val) : 0;
26}
27
28int PEVENT_PLUGIN_LOADER(struct pevent *pevent)
29{
30 pevent_register_print_function(pevent,
31 process___le16_to_cpup,
32 PEVENT_FUNC_ARG_INT,
33 "__le16_to_cpup",
34 PEVENT_FUNC_ARG_PTR,
35 PEVENT_FUNC_ARG_VOID);
36 return 0;
37}
38
39void PEVENT_PLUGIN_UNLOADER(struct pevent *pevent)
40{
41 pevent_unregister_print_function(pevent, process___le16_to_cpup,
42 "__le16_to_cpup");
43}