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From: Palmer Dabbelt <palmer@dabbelt.com>
To: jszhang3@mail.ustc.edu.cn
Cc: Paul Walmsley <paul.walmsley@sifive.com>,
	aou@eecs.berkeley.edu, corbet@lwn.net, mhiramat@kernel.org,
	linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org
Subject: Re: [PATCH] samples/kprobes: Add riscv support
Date: Sun, 11 Apr 2021 15:28:38 -0700 (PDT)	[thread overview]
Message-ID: <mhng-8e3addbd-903d-43ee-b16b-e81919583271@palmerdabbelt-glaptop> (raw)
In-Reply-To: <20210330020416.129505e6@xhacker>

On Mon, 29 Mar 2021 11:04:16 PDT (-0700), jszhang3@mail.ustc.edu.cn wrote:
> From: Jisheng Zhang <jszhang@kernel.org>
>
> Add riscv specific info dump in both handler_pre() and handler_post().
>
> Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
> ---
>  samples/kprobes/kprobe_example.c | 8 ++++++++
>  1 file changed, 8 insertions(+)
>
> diff --git a/samples/kprobes/kprobe_example.c b/samples/kprobes/kprobe_example.c
> index 331dcf151532..c495664c0a9b 100644
> --- a/samples/kprobes/kprobe_example.c
> +++ b/samples/kprobes/kprobe_example.c
> @@ -47,6 +47,10 @@ static int __kprobes handler_pre(struct kprobe *p, struct pt_regs *regs)
>  	pr_info("<%s> pre_handler: p->addr = 0x%p, pc = 0x%lx, cpsr = 0x%lx\n",
>  		p->symbol_name, p->addr, (long)regs->ARM_pc, (long)regs->ARM_cpsr);
>  #endif
> +#ifdef CONFIG_RISCV
> +	pr_info("<%s> pre_handler: p->addr = 0x%p, pc = 0x%lx, status = 0x%lx\n",
> +		p->symbol_name, p->addr, regs->epc, regs->status);
> +#endif
>  #ifdef CONFIG_S390
>  	pr_info("<%s> pre_handler: p->addr, 0x%p, ip = 0x%lx, flags = 0x%lx\n",
>  		p->symbol_name, p->addr, regs->psw.addr, regs->flags);
> @@ -80,6 +84,10 @@ static void __kprobes handler_post(struct kprobe *p, struct pt_regs *regs,
>  	pr_info("<%s> post_handler: p->addr = 0x%p, cpsr = 0x%lx\n",
>  		p->symbol_name, p->addr, (long)regs->ARM_cpsr);
>  #endif
> +#ifdef CONFIG_RISCV
> +	pr_info("<%s> post_handler: p->addr = 0x%p, status = 0x%lx\n",
> +		p->symbol_name, p->addr, regs->status);
> +#endif
>  #ifdef CONFIG_S390
>  	pr_info("<%s> pre_handler: p->addr, 0x%p, flags = 0x%lx\n",
>  		p->symbol_name, p->addr, regs->flags);

Thanks, this is on for-next.

      parent reply	other threads:[~2021-04-11 22:28 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-29 18:04 [PATCH] samples/kprobes: Add riscv support Jisheng Zhang
2021-03-30  9:21 ` Masami Hiramatsu
2021-04-11 22:28 ` Palmer Dabbelt [this message]

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