[PATCH v5 6/6] kprobes: Add arm64 case in kprobe example module
From: Masami Hiramatsu <hidden>
Date: 2015-02-19 14:19:05
Also in:
lkml
(2015/02/18 8:11), David Long wrote:
From: Sandeepa Prabhu <redacted> Add info prints in sample kprobe handlers for ARM64 Signed-off-by: Sandeepa Prabhu <redacted>
Looks good to me:) Acked-by: Masami Hiramatsu <redacted> Thanks!
quoted hunk ↗ jump to hunk
--- samples/kprobes/kprobe_example.c | 8 ++++++++ 1 file changed, 8 insertions(+)diff --git a/samples/kprobes/kprobe_example.c b/samples/kprobes/kprobe_example.c index 366db1a..51d459c 100644 --- a/samples/kprobes/kprobe_example.c +++ b/samples/kprobes/kprobe_example.c@@ -42,6 +42,10 @@ static int handler_pre(struct kprobe *p, struct pt_regs *regs) " ex1 = 0x%lx\n", p->addr, regs->pc, regs->ex1); #endif +#ifdef CONFIG_ARM64 + pr_info("pre_handler: p->addr = 0x%p, pc = 0x%lx\n", + p->addr, (long)regs->pc); +#endif /* A dump_stack() here will give a stack backtrace */ return 0;@@ -67,6 +71,10 @@ static void handler_post(struct kprobe *p, struct pt_regs *regs, printk(KERN_INFO "post_handler: p->addr = 0x%p, ex1 = 0x%lx\n", p->addr, regs->ex1); #endif +#ifdef CONFIG_ARM64 + pr_info("post_handler: p->addr = 0x%p, pc = 0x%lx\n", + p->addr, (long)regs->pc); +#endif } /*
-- Masami HIRAMATSU Software Platform Research Dept. Linux Technology Research Center Hitachi, Ltd., Yokohama Research Laboratory E-mail: masami.hiramatsu.pt at hitachi.com