kprobes: Remove the jprobes sample code
Remove the jprobes sample module because jprobes are deprecated. Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org> Cc: Alexei Starovoitov <ast@kernel.org> Cc: Ananth N Mavinakayanahalli <ananth@linux.vnet.ibm.com> Cc: Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com> Cc: David S . Miller <davem@davemloft.net> Cc: Ian McDonald <ian.mcdonald@jandi.co.nz> Cc: Kees Cook <keescook@chromium.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Paul E . McKenney <paulmck@linux.vnet.ibm.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephen Hemminger <stephen@networkplumber.org> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Vlad Yasevich <vyasevich@gmail.com> Link: http://lkml.kernel.org/r/150724535709.5014.7261513316230565780.stgit@devbox Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Родитель
2c7d662e26
Коммит
9be95bdc53
|
@ -1,5 +1,5 @@
|
|||
# builds the kprobes example kernel modules;
|
||||
# then to use one (as root): insmod <module_name.ko>
|
||||
|
||||
obj-$(CONFIG_SAMPLE_KPROBES) += kprobe_example.o jprobe_example.o
|
||||
obj-$(CONFIG_SAMPLE_KPROBES) += kprobe_example.o
|
||||
obj-$(CONFIG_SAMPLE_KRETPROBES) += kretprobe_example.o
|
||||
|
|
|
@ -1,67 +0,0 @@
|
|||
/*
|
||||
* Here's a sample kernel module showing the use of jprobes to dump
|
||||
* the arguments of _do_fork().
|
||||
*
|
||||
* For more information on theory of operation of jprobes, see
|
||||
* Documentation/kprobes.txt
|
||||
*
|
||||
* Build and insert the kernel module as done in the kprobe example.
|
||||
* You will see the trace data in /var/log/messages and on the
|
||||
* console whenever _do_fork() is invoked to create a new process.
|
||||
* (Some messages may be suppressed if syslogd is configured to
|
||||
* eliminate duplicate messages.)
|
||||
*/
|
||||
|
||||
#include <linux/kernel.h>
|
||||
#include <linux/module.h>
|
||||
#include <linux/kprobes.h>
|
||||
|
||||
/*
|
||||
* Jumper probe for _do_fork.
|
||||
* Mirror principle enables access to arguments of the probed routine
|
||||
* from the probe handler.
|
||||
*/
|
||||
|
||||
/* Proxy routine having the same arguments as actual _do_fork() routine */
|
||||
static long j_do_fork(unsigned long clone_flags, unsigned long stack_start,
|
||||
unsigned long stack_size, int __user *parent_tidptr,
|
||||
int __user *child_tidptr, unsigned long tls)
|
||||
{
|
||||
pr_info("jprobe: clone_flags = 0x%lx, stack_start = 0x%lx "
|
||||
"stack_size = 0x%lx\n", clone_flags, stack_start, stack_size);
|
||||
|
||||
/* Always end with a call to jprobe_return(). */
|
||||
jprobe_return();
|
||||
return 0;
|
||||
}
|
||||
|
||||
static struct jprobe my_jprobe = {
|
||||
.entry = j_do_fork,
|
||||
.kp = {
|
||||
.symbol_name = "_do_fork",
|
||||
},
|
||||
};
|
||||
|
||||
static int __init jprobe_init(void)
|
||||
{
|
||||
int ret;
|
||||
|
||||
ret = register_jprobe(&my_jprobe);
|
||||
if (ret < 0) {
|
||||
pr_err("register_jprobe failed, returned %d\n", ret);
|
||||
return -1;
|
||||
}
|
||||
pr_info("Planted jprobe at %p, handler addr %p\n",
|
||||
my_jprobe.kp.addr, my_jprobe.entry);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void __exit jprobe_exit(void)
|
||||
{
|
||||
unregister_jprobe(&my_jprobe);
|
||||
pr_info("jprobe at %p unregistered\n", my_jprobe.kp.addr);
|
||||
}
|
||||
|
||||
module_init(jprobe_init)
|
||||
module_exit(jprobe_exit)
|
||||
MODULE_LICENSE("GPL");
|
Загрузка…
Ссылка в новой задаче