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Commit af78cede authored by Sandeepa Prabhu's avatar Sandeepa Prabhu Committed by Catalin Marinas
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kprobes: Add arm64 case in kprobe example module 



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 fcfd708b

samples/kprobes/kprobe_example.c

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

}



/*