From: dave.long@linaro.org (David Long)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v14 10/10] kprobes: Add arm64 case in kprobe example module
Date: Sun, 26 Jun 2016 23:06:53 -0400 [thread overview]
Message-ID: <1466996813-23295-11-git-send-email-dave.long@linaro.org> (raw)
In-Reply-To: <1466996813-23295-1-git-send-email-dave.long@linaro.org>
From: Sandeepa Prabhu <sandeepa.s.prabhu@gmail.com>
Add info prints in sample kprobe handlers for ARM64
Signed-off-by: Sandeepa Prabhu <sandeepa.s.prabhu@gmail.com>
Signed-off-by: David A. Long <dave.long@linaro.org>
---
samples/kprobes/kprobe_example.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/samples/kprobes/kprobe_example.c b/samples/kprobes/kprobe_example.c
index ed0ca0c..f3b61b4 100644
--- a/samples/kprobes/kprobe_example.c
+++ b/samples/kprobes/kprobe_example.c
@@ -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
}
/*
--
2.5.0
next prev parent reply other threads:[~2016-06-27 3:06 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-27 3:06 [PATCH v14 00/10] arm64: Add kernel probes (kprobes) support David Long
2016-06-27 3:06 ` [PATCH v14 01/10] arm64: Add HAVE_REGS_AND_STACK_ACCESS_API feature David Long
2016-06-27 3:06 ` [PATCH v14 02/10] arm64: Add more test functions to insn.c David Long
2016-06-27 3:06 ` [PATCH v14 03/10] arm64: add conditional instruction simulation support David Long
2016-06-27 3:06 ` [PATCH v14 04/10] arm64: Kprobes with single stepping support David Long
2016-06-27 6:57 ` Pratyush Anand
2016-06-27 14:06 ` David Long
2016-06-28 7:25 ` Masami Hiramatsu
2016-06-27 3:06 ` [PATCH v14 05/10] arm64: Blacklist non-kprobe-able symbol David Long
2016-06-27 3:06 ` [PATCH v14 06/10] arm64: Treat all entry code as non-kprobe-able David Long
2016-06-27 3:06 ` [PATCH v14 07/10] arm64: kprobes instruction simulation support David Long
2016-06-27 3:06 ` [PATCH v14 08/10] arm64: Add trampoline code for kretprobes David Long
2016-06-27 3:06 ` [PATCH v14 09/10] arm64: Add kernel return probes support (kretprobes) David Long
2016-06-27 3:06 ` David Long [this message]
2016-06-28 7:31 ` [PATCH v14 00/10] arm64: Add kernel probes (kprobes) support Masami Hiramatsu
2016-06-28 8:13 ` Huang Shijie
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