From af78cede8bfc772baf424fc03f7cd3c8f9437733 Mon Sep 17 00:00:00 2001 From: Sandeepa Prabhu Date: Fri, 8 Jul 2016 12:35:54 -0400 Subject: kprobes: Add arm64 case in kprobe example module Add info prints in sample kprobe handlers for ARM64 Signed-off-by: Sandeepa Prabhu Signed-off-by: David A. Long Acked-by: Masami Hiramatsu Signed-off-by: Catalin Marinas --- samples/kprobes/kprobe_example.c | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'samples') diff --git a/samples/kprobes/kprobe_example.c b/samples/kprobes/kprobe_example.c index ed0ca0c07242..f3b61b4ee09c 100644 --- a/samples/kprobes/kprobe_example.c +++ b/samples/kprobes/kprobe_example.c @@ -46,6 +46,11 @@ 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("<%s> pre_handler: p->addr = 0x%p, pc = 0x%lx," + " pstate = 0x%lx\n", + p->symbol_name, p->addr, (long)regs->pc, (long)regs->pstate); +#endif /* A dump_stack() here will give a stack backtrace */ return 0; @@ -71,6 +76,10 @@ 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("<%s> post_handler: p->addr = 0x%p, pstate = 0x%lx\n", + p->symbol_name, p->addr, (long)regs->pstate); +#endif } /* -- cgit v1.2.3-58-ga151