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Commit c31ffb3f authored by Namhyung Kim's avatar Namhyung Kim Committed by Steven Rostedt
Browse files

tracing/kprobes: Factor out struct trace_probe 



There are functions that can be shared to both of kprobes and uprobes.
Separate common data structure to struct trace_probe and use it from
the shared functions.

Acked-by: default avatarMasami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Acked-by: default avatarOleg Nesterov <oleg@redhat.com>
Cc: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Cc: zhangwei(Jovi) <jovi.zhangwei@huawei.com>
Cc: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
Signed-off-by: default avatarNamhyung Kim <namhyung@kernel.org>
parent 50eb2672

kernel/trace/trace_kprobe.c

+275 −285

File changed.

Preview size limit exceeded, changes collapsed.

kernel/trace/trace_probe.h

+20 −0
Original line number Diff line number Diff line
@@ -124,6 +124,26 @@ struct probe_arg { 
	const struct fetch_type	*type;	/* Type of this argument */

};



struct trace_probe {

	unsigned int			flags;	/* For TP_FLAG_* */

	struct ftrace_event_class	class;

	struct ftrace_event_call	call;

	struct list_head 		files;

	ssize_t				size;	/* trace entry size */

	unsigned int			nr_args;

	struct probe_arg		args[];

};



static inline bool trace_probe_is_enabled(struct trace_probe *tp)

{

	return !!(tp->flags & (TP_FLAG_TRACE | TP_FLAG_PROFILE));

}



static inline bool trace_probe_is_registered(struct trace_probe *tp)

{

	return !!(tp->flags & TP_FLAG_REGISTERED);

}



static inline __kprobes void call_fetch(struct fetch_param *fprm,

				 struct pt_regs *regs, void *dest)

{