diff options
| author | Sandeepa Prabhu <sandeepa.s.prabhu@gmail.com> | 2016-07-08 12:35:54 -0400 |
|---|---|---|
| committer | Alex Shi <alex.shi@linaro.org> | 2016-10-20 15:38:13 +0800 |
| commit | da367d1e9e36ed55023a59a7fbcb3541732c2eff (patch) | |
| tree | 4561c3fd70de2b686bc7adc888dc31110d8c61f7 /samples | |
| parent | e09606a554c46cbb70bf6ca0e4b644b28e39e7d2 (diff) | |
kprobes: Add arm64 case in kprobe example module
commit af78cede8bfc772baf424fc03f7cd3c8f9437733 upstream.
Add info prints in sample kprobe handlers for ARM64
Signed-off-by: Sandeepa Prabhu <sandeepa.s.prabhu@gmail.com>
Signed-off-by: David A. Long <dave.long@linaro.org>
Acked-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'samples')
| -rw-r--r-- | samples/kprobes/kprobe_example.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/samples/kprobes/kprobe_example.c b/samples/kprobes/kprobe_example.c index 727eb21c9c56..83795435bd99 100644 --- a/samples/kprobes/kprobe_example.c +++ b/samples/kprobes/kprobe_example.c @@ -42,6 +42,11 @@ 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("<%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; @@ -67,6 +72,10 @@ 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("<%s> post_handler: p->addr = 0x%p, pstate = 0x%lx\n", + p->symbol_name, p->addr, (long)regs->pstate); +#endif } /* |