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fprobe: Add entry/exit callbacks types

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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: Jiri Olsa <jolsa@kernel.org>
Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
This commit is contained in:
Jiri Olsa 2024-02-07 16:35:47 +01:00 committed by Masami Hiramatsu (Google)
parent ee97e5e135
commit 73142cab3a
1 changed files with 12 additions and 6 deletions
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18
include/linux/fprobe.h
View file

@ -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. */