From: Andreas Schwab <schwab@redhat.com>
To: Simon Richter <Simon.Richter@hogyros.de>
Cc: gdb@sourceware.org
Subject: Re: PT_TEXT_ADDR on ARM
Date: Fri, 20 Aug 2010 09:06:00 -0000 [thread overview]
Message-ID: <m3y6c17iwz.fsf@hase.home> (raw)
In-Reply-To: <20100820083257.GA3902@richter> (Simon Richter's message of "Fri, 20 Aug 2010 10:32:57 +0200")
Simon Richter <Simon.Richter@hogyros.de> writes:
> I'd like to prepare a patch that ideally fixes both 2.4 uClinux and 2.6
> uClinux (normal Linux doesn't really need the offsets). Should I
>
> a) check the kernel version
> b) try 0x10000 first, if it returns zero, use the value from 0xc4
> c) use 0x10000 only?
I wonder how 0x10000 can actually work. I'm pretty sure that
sizeof(struct user) < 0x10000, so this would always return EIO
(according to arch/arm/kernel/ptrace.c:ptrace_read_user).
Andreas.
--
Andreas Schwab, schwab@redhat.com
GPG Key fingerprint = D4E8 DBE3 3813 BB5D FA84 5EC7 45C6 250E 6F00 984E
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next prev parent reply other threads:[~2010-08-20 9:06 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-08-20 8:33 Simon Richter
2010-08-20 9:06 ` Andreas Schwab [this message]
2010-08-20 11:29 ` Simon Richter
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