[PATCH v14 10/10] kprobes: Add arm64 case in kprobe example module
From: David Long <hidden>
Date: 2016-06-27 03:08:01
Also in:
lkml
Subsystem:
the rest · Maintainer:
Linus Torvalds
From: Sandeepa Prabhu <redacted> Add info prints in sample kprobe handlers for ARM64 Signed-off-by: Sandeepa Prabhu <redacted> Signed-off-by: David A. Long <redacted> --- samples/kprobes/kprobe_example.c | 9 +++++++++ 1 file changed, 9 insertions(+)
diff --git a/samples/kprobes/kprobe_example.c b/samples/kprobes/kprobe_example.c
index ed0ca0c..f3b61b4 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 } /*
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2.5.0