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Commit da367d1e authored by Sandeepa Prabhu's avatar Sandeepa Prabhu Committed by Alex Shi
Browse files

kprobes: Add arm64 case in kprobe example module 



commit af78cede8bfc772baf424fc03f7cd3c8f9437733 upstream.

Add info prints in sample kprobe handlers for ARM64

Signed-off-by: default avatarSandeepa Prabhu <sandeepa.s.prabhu@gmail.com>
Signed-off-by: default avatarDavid A. Long <dave.long@linaro.org>
Acked-by: default avatarMasami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: default avatarCatalin Marinas <catalin.marinas@arm.com>
parent e09606a5

samples/kprobes/kprobe_example.c

+9 −0
Original line number Diff line number Diff line
@@ -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

}



/*