From: Jisheng Zhang <jszhang3@mail.ustc.edu.cn>
To: Paul Walmsley <paul.walmsley@sifive.com>,
Palmer Dabbelt <palmer@dabbelt.com>,
Albert Ou <aou@eecs.berkeley.edu>,
Jonathan Corbet <corbet@lwn.net>,
Masami Hiramatsu <mhiramat@kernel.org>
Cc: linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org
Subject: [PATCH] samples/kprobes: Add riscv support
Date: Tue, 30 Mar 2021 02:04:16 +0800 [thread overview]
Message-ID: <20210330020416.129505e6@xhacker> (raw)
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);
--
2.31.0
next reply other threads:[~2021-03-29 18:10 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-29 18:04 Jisheng Zhang [this message]
2021-03-30 9:21 ` [PATCH] samples/kprobes: Add riscv support Masami Hiramatsu
2021-04-11 22:28 ` Palmer Dabbelt
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20210330020416.129505e6@xhacker \
--to=jszhang3@mail.ustc.edu.cn \
--cc=aou@eecs.berkeley.edu \
--cc=corbet@lwn.net \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-riscv@lists.infradead.org \
--cc=mhiramat@kernel.org \
--cc=palmer@dabbelt.com \
--cc=paul.walmsley@sifive.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox