From: Tiezhu Yang <yangtiezhu@loongson.cn>
To: Huacai Chen <chenhuacai@kernel.org>,
WANG Xuerui <kernel@xen0n.name>,
Masami Hiramatsu <mhiramat@kernel.org>
Cc: loongarch@lists.linux.dev, linux-kernel@vger.kernel.org
Subject: [PATCH v10 4/4] samples/kprobes: Add LoongArch support
Date: Fri, 9 Dec 2022 16:53:01 +0800 [thread overview]
Message-ID: <1670575981-14389-5-git-send-email-yangtiezhu@loongson.cn> (raw)
In-Reply-To: <1670575981-14389-1-git-send-email-yangtiezhu@loongson.cn>
Add LoongArch specific info in handler_pre() and handler_post().
Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
---
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 fd346f5..ef44c61 100644
--- a/samples/kprobes/kprobe_example.c
+++ b/samples/kprobes/kprobe_example.c
@@ -55,6 +55,10 @@ static int __kprobes handler_pre(struct kprobe *p, struct pt_regs *regs)
pr_info("<%s> p->addr, 0x%p, ip = 0x%lx, flags = 0x%lx\n",
p->symbol_name, p->addr, regs->psw.addr, regs->flags);
#endif
+#ifdef CONFIG_LOONGARCH
+ pr_info("<%s> p->addr = 0x%p, era = 0x%lx, estat = 0x%lx\n",
+ p->symbol_name, p->addr, regs->csr_era, regs->csr_estat);
+#endif
/* A dump_stack() here will give a stack backtrace */
return 0;
@@ -92,6 +96,10 @@ static void __kprobes handler_post(struct kprobe *p, struct pt_regs *regs,
pr_info("<%s> p->addr, 0x%p, flags = 0x%lx\n",
p->symbol_name, p->addr, regs->flags);
#endif
+#ifdef CONFIG_LOONGARCH
+ pr_info("<%s> p->addr = 0x%p, estat = 0x%lx\n",
+ p->symbol_name, p->addr, regs->csr_estat);
+#endif
}
static int __init kprobe_init(void)
--
2.1.0
next prev parent reply other threads:[~2022-12-09 8:53 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-12-09 8:52 [PATCH v10 0/4] Add kprobe and kretprobe support for LoongArch Tiezhu Yang
2022-12-09 8:52 ` [PATCH v10 1/4] LoongArch: Simulate branch and PC instructions Tiezhu Yang
2022-12-21 7:42 ` Jinyang He
2022-12-09 8:52 ` [PATCH v10 2/4] LoongArch: Add kprobe support Tiezhu Yang
2022-12-14 7:28 ` Masami Hiramatsu
2022-12-16 9:33 ` Tiezhu Yang
2022-12-17 2:08 ` Huacai Chen
2022-12-09 8:53 ` [PATCH v10 3/4] LoongArch: Add kretprobe support Tiezhu Yang
2022-12-09 8:53 ` Tiezhu Yang [this message]
2022-12-09 10:01 ` [PATCH v10 0/4] Add kprobe and kretprobe support for LoongArch Huacai Chen
2022-12-09 10:34 ` WANG Xuerui
2022-12-10 13:54 ` Jeff Xie
2022-12-13 3:10 ` Masami Hiramatsu
2022-12-17 2:28 ` Huacai Chen
2022-12-12 8:41 ` Hengqi Chen
2022-12-12 9:35 ` Qing Zhang
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