From: linux@arm.linux.org.uk (Russell King - ARM Linux)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] arm: show_regs dump stack when ARM_UNWIND enable
Date: Thu, 22 Jul 2010 09:00:16 +0100 [thread overview]
Message-ID: <20100722080016.GF6802@n2100.arm.linux.org.uk> (raw)
In-Reply-To: <20100721172428.GA5881@localhost.localdomain>
On Thu, Jul 22, 2010 at 01:24:28AM +0800, Janboe Ye wrote:
> Is there any way for arm unwind to do user space backtrace like
> c_backtrace in arm_syscall?
That's a job for userspace, which would have access to the program
debug information, which is necessary for unwinding EABI programs.
The debug information is not loaded into the programs address space
when you run it, and therefore would not be available to the kernel.
next prev parent reply other threads:[~2010-07-22 8:00 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-07-20 15:24 [PATCH] arm: show_regs dump stack when ARM_UNWIND enable janboe
2010-07-20 15:37 ` Catalin Marinas
2010-07-20 15:54 ` ye janboe
2010-07-21 9:21 ` Catalin Marinas
2010-07-21 17:24 ` Janboe Ye
2010-07-22 8:00 ` Russell King - ARM Linux [this message]
2010-08-10 3:27 ` ye janboe
2010-08-10 22:59 ` Russell King - ARM Linux
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