mirror of
https://github.com/torvalds/linux.git
synced 2025-11-04 02:30:34 +02:00
047ff221e3
Input arguments of libtraceevent APIs are renamed from "struct tep_handle *pevent" to "struct tep_handle *tep". This makes the API consistent with the chosen naming convention: tep (trace event parser), instead of the old pevent. Signed-off-by: Tzvetomir Stoyanov <tstoyanov@vmware.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Link: http://lore.kernel.org/linux-trace-devel/20190401132111.13727-2-tstoyanov@vmware.com Link: http://lkml.kernel.org/r/20190401164344.465573837@goodmis.org Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
43 lines
957 B
C
43 lines
957 B
C
// SPDX-License-Identifier: GPL-2.0
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <inttypes.h>
|
|
#include <endian.h>
|
|
#include "event-parse.h"
|
|
|
|
/*
|
|
* From glibc endian.h, for older systems where it is not present, e.g.: RHEL5,
|
|
* Fedora6.
|
|
*/
|
|
#ifndef le16toh
|
|
# if __BYTE_ORDER == __LITTLE_ENDIAN
|
|
# define le16toh(x) (x)
|
|
# else
|
|
# define le16toh(x) __bswap_16 (x)
|
|
# endif
|
|
#endif
|
|
|
|
|
|
static unsigned long long
|
|
process___le16_to_cpup(struct trace_seq *s, unsigned long long *args)
|
|
{
|
|
uint16_t *val = (uint16_t *) (unsigned long) args[0];
|
|
return val ? (long long) le16toh(*val) : 0;
|
|
}
|
|
|
|
int TEP_PLUGIN_LOADER(struct tep_handle *tep)
|
|
{
|
|
tep_register_print_function(tep,
|
|
process___le16_to_cpup,
|
|
TEP_FUNC_ARG_INT,
|
|
"__le16_to_cpup",
|
|
TEP_FUNC_ARG_PTR,
|
|
TEP_FUNC_ARG_VOID);
|
|
return 0;
|
|
}
|
|
|
|
void TEP_PLUGIN_UNLOADER(struct tep_handle *tep)
|
|
{
|
|
tep_unregister_print_function(tep, process___le16_to_cpup,
|
|
"__le16_to_cpup");
|
|
}
|