Commit 73142cab authored by Jiri Olsa's avatar Jiri Olsa Committed by Masami Hiramatsu (Google)
Browse files

fprobe: Add entry/exit callbacks types 

We are going to store callbacks in following change,
so this will ease up the code.

Link: https://lore.kernel.org/all/20240207153550.856536-2-jolsa@kernel.org/



Signed-off-by: default avatarJiri Olsa <jolsa@kernel.org>
Acked-by: default avatarMasami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: default avatarMasami Hiramatsu (Google) <mhiramat@kernel.org>
parent ee97e5e1

include/linux/fprobe.h

+12 −6
Original line number Diff line number Diff line
@@ -7,6 +7,16 @@ 
#include <linux/ftrace.h>

#include <linux/rethook.h>



struct fprobe;



typedef int (*fprobe_entry_cb)(struct fprobe *fp, unsigned long entry_ip,

			       unsigned long ret_ip, struct pt_regs *regs,

			       void *entry_data);



typedef void (*fprobe_exit_cb)(struct fprobe *fp, unsigned long entry_ip,

			       unsigned long ret_ip, struct pt_regs *regs,

			       void *entry_data);



/**

 * struct fprobe - ftrace based probe.

 * @ops: The ftrace_ops.
@@ -34,12 +44,8 @@ struct fprobe { 
	size_t			entry_data_size;

	int			nr_maxactive;



	int (*entry_handler)(struct fprobe *fp, unsigned long entry_ip,

			     unsigned long ret_ip, struct pt_regs *regs,

			     void *entry_data);

	void (*exit_handler)(struct fprobe *fp, unsigned long entry_ip,

			     unsigned long ret_ip, struct pt_regs *regs,

			     void *entry_data);

	fprobe_entry_cb entry_handler;

	fprobe_exit_cb  exit_handler;

};



/* This fprobe is soft-disabled. */