Messages in this thread Patch in this message | | | From | Huang Shijie <> | Subject | [PATCH 1/2] kprobes: add a new module parameter | Date | Wed, 18 May 2016 09:36:56 +0800 |
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This patch adds a new module parameter which can be used as the symbol name. With this parameter, the module becomes more flexable.
Signed-off-by: Huang Shijie <shijie.huang@arm.com> --- samples/kprobes/kprobe_example.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/samples/kprobes/kprobe_example.c b/samples/kprobes/kprobe_example.c index 727eb21..2bb190d 100644 --- a/samples/kprobes/kprobe_example.c +++ b/samples/kprobes/kprobe_example.c @@ -14,9 +14,13 @@ #include <linux/module.h> #include <linux/kprobes.h> +#define MAX_SYMBOL_LEN 64 +static char symbol[MAX_SYMBOL_LEN] = "_do_fork"; +module_param_string(symbol, symbol, sizeof(symbol), 0644); + /* For each probe you need to allocate a kprobe structure */ static struct kprobe kp = { - .symbol_name = "_do_fork", + .symbol_name = symbol, }; /* kprobe pre_handler: called just before the probed instruction is executed */ -- 2.5.5
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