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![Arnaldo Carvalho de Melo](/assets/img/avatar_default.png)
Where such macro is not present, so just copy its definition from glibc's endian.h and define it if not already. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Borislav Petkov <bp@suse.de> Cc: David Ahern <dsahern@gmail.com> Cc: Don Zickus <dzickus@redhat.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Stephane Eranian <eranian@google.com> Cc: Steven Rostedt <rostedt@goodmis.org> Link: http://lkml.kernel.org/n/tip-4j90i2na07ppidt0z6cbuxr7@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
42 lines
957 B
C
42 lines
957 B
C
#include <stdio.h>
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#include <string.h>
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#include <inttypes.h>
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#include <endian.h>
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#include "event-parse.h"
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/*
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* From glibc endian.h, for older systems where it is not present, e.g.: RHEL5,
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* Fedora6.
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*/
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#ifndef le16toh
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# if __BYTE_ORDER == __LITTLE_ENDIAN
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# define le16toh(x) (x)
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# else
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# define le16toh(x) __bswap_16 (x)
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# endif
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#endif
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static unsigned long long
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process___le16_to_cpup(struct trace_seq *s, unsigned long long *args)
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{
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uint16_t *val = (uint16_t *) (unsigned long) args[0];
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return val ? (long long) le16toh(*val) : 0;
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}
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int PEVENT_PLUGIN_LOADER(struct pevent *pevent)
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{
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pevent_register_print_function(pevent,
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process___le16_to_cpup,
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PEVENT_FUNC_ARG_INT,
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"__le16_to_cpup",
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PEVENT_FUNC_ARG_PTR,
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PEVENT_FUNC_ARG_VOID);
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return 0;
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}
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void PEVENT_PLUGIN_UNLOADER(struct pevent *pevent)
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{
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pevent_unregister_print_function(pevent, process___le16_to_cpup,
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"__le16_to_cpup");
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}
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