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From: David Long <dave.long@linaro.org>
To: Catalin Marinas <catalin.marinas@arm.com>,
	Will Deacon <will.deacon@arm.com>,
	Sandeepa Prabhu <sandeepa.s.prabhu@gmail.com>,
	William Cohen <wcohen@redhat.com>,
	Pratyush Anand <panand@redhat.com>,
	Steve Capper <steve.capper@linaro.org>,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, Marc Zyngier <marc.zyngier@arm.com>
Cc: "Dave P Martin" <Dave.Martin@arm.com>,
	"Mark Rutland" <mark.rutland@arm.com>,
	"Robin Murphy" <Robin.Murphy@arm.com>,
	"Ard Biesheuvel" <ard.biesheuvel@linaro.org>,
	"Jens Wiklander" <jens.wiklander@linaro.org>,
	"Christoffer Dall" <christoffer.dall@linaro.org>,
	"Alex Bennée" <alex.bennee@linaro.org>,
	"Yang Shi" <yang.shi@linaro.org>,
	"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
	"Viresh Kumar" <viresh.kumar@linaro.org>,
	"Suzuki K. Poulose" <suzuki.poulose@arm.com>,
	"Kees Cook" <keescook@chromium.org>,
	"Zi Shen Lim" <zlim.lnx@gmail.com>,
	"John Blackwood" <john.blackwood@ccur.com>,
	"Feng Kan" <fkan@apm.com>,
	"Balamurugan Shanmugam" <bshanmugam@apm.com>,
	"James Morse" <james.morse@arm.com>,
	"Vladimir Murzin" <Vladimir.Murzin@arm.com>,
	"Mark Salyzyn" <salyzyn@android.com>,
	"Petr Mladek" <pmladek@suse.com>,
	"Andrew Morton" <akpm@linux-foundation.org>,
	"Mark Brown" <broonie@kernel.org>
Subject: [PATCH v10 9/9] kprobes: Add arm64 case in kprobe example module
Date: Mon, 29 Feb 2016 21:57:27 -0500	[thread overview]
Message-ID: <1456801047-29014-10-git-send-email-dave.long@linaro.org> (raw)
In-Reply-To: <1456801047-29014-1-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>
---
 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 727eb21..0c72b8a 100644
--- a/samples/kprobes/kprobe_example.c
+++ b/samples/kprobes/kprobe_example.c
@@ -42,6 +42,10 @@ static int handler_pre(struct kprobe *p, struct pt_regs *regs)
 			" ex1 = 0x%lx\n",
 		p->addr, regs->pc, regs->ex1);
 #endif
+#ifdef CONFIG_ARM64
+	pr_info("pre_handler: p->addr = 0x%p, pc = 0x%lx\n",
+		p->addr, (long)regs->pc);
+#endif
 
 	/* A dump_stack() here will give a stack backtrace */
 	return 0;
@@ -67,6 +71,10 @@ static void handler_post(struct kprobe *p, struct pt_regs *regs,
 	printk(KERN_INFO "post_handler: p->addr = 0x%p, ex1 = 0x%lx\n",
 		p->addr, regs->ex1);
 #endif
+#ifdef CONFIG_ARM64
+	pr_info("post_handler: p->addr = 0x%p, pc = 0x%lx\n",
+		p->addr, (long)regs->pc);
+#endif
 }
 
 /*
-- 
2.5.0

  parent reply	other threads:[~2016-03-01  3:00 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-03-01  2:57 [PATCH v10 0/9] arm64: Add kernel probes (kprobes) support David Long
2016-03-01  2:57 ` [PATCH v10 1/9] arm64: Add HAVE_REGS_AND_STACK_ACCESS_API feature David Long
2016-03-14  9:41   ` 平松雅巳 / HIRAMATU,MASAMI
2016-03-01  2:57 ` [PATCH v10 2/9] arm64: Add more test functions to insn.c David Long
2016-03-01  2:57 ` [PATCH v10 3/9] arm64: add copy_to/from_user to kprobes blacklist David Long
2016-03-01  2:57 ` [PATCH v10 4/9] arm64: add conditional instruction simulation support David Long
2016-03-01 17:43   ` Marc Zyngier
2016-03-02  5:14     ` David Long
2016-03-01  2:57 ` [PATCH v10 5/9] arm64: Kprobes with single stepping support David Long
2016-03-01  2:57 ` [PATCH v10 6/9] arm64: kprobes instruction simulation support David Long
2016-03-01 18:04   ` Marc Zyngier
2016-03-03  5:02     ` David Long
2016-03-03  8:01       ` Marc Zyngier
2016-03-03 15:14         ` David Long
2016-03-03 15:32           ` Marc Zyngier
2016-03-01  2:57 ` [PATCH v10 7/9] arm64: Add trampoline code for kretprobes David Long
2016-03-01 18:19   ` Marc Zyngier
2016-03-02 21:20     ` William Cohen
2016-03-08  5:42       ` David Long
2016-03-01  2:57 ` [PATCH v10 8/9] arm64: Add kernel return probes support (kretprobes) David Long
2016-03-01  2:57 ` David Long [this message]
2016-03-14  9:36 ` [PATCH v10 0/9] arm64: Add kernel probes (kprobes) support 平松雅巳 / HIRAMATU,MASAMI

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