[PATCH v13 10/10] kprobes: Add arm64 case in kprobe example module
From: Huang Shijie <hidden>
Date: 2016-06-08 05:49:50
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lkml
On Thu, Jun 02, 2016 at 11:26:24PM -0400, David Long wrote:
quoted hunk ↗ jump to hunk
From: Sandeepa Prabhu <redacted> Add info prints in sample kprobe handlers for ARM64 Signed-off-by: Sandeepa Prabhu <redacted> --- 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 ed0ca0c..aad8e6f 100644 --- a/samples/kprobes/kprobe_example.c +++ b/samples/kprobes/kprobe_example.c@@ -46,6 +46,10 @@ static int handler_pre(struct kprobe *p, struct pt_regs *regs) " ex1 = 0x%lx\n", p->symbol_name, 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);
Please add the "p->symbol_name" for the log, just as the above line.
quoted hunk ↗ jump to hunk
+#endif /* A dump_stack() here will give a stack backtrace */ return 0;@@ -71,6 +75,10 @@ static void handler_post(struct kprobe *p, struct pt_regs *regs, printk(KERN_INFO "<%s> post_handler: p->addr = 0x%p, ex1 = 0x%lx\n", p->symbol_name, 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 }
Ditto. thanks Huang Shijie