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From: Keith Owens <kaos@ocs.com.au>
To: Rusty Russell <rusty@rustcorp.com.au>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [RFC] /proc/ksyms change for IA64
Date: Sun, 05 Aug 2001 17:16:33 +1000	[thread overview]
Message-ID: <13470.996995793@ocs3.ocs-net> (raw)
In-Reply-To: Your message of "Sun, 05 Aug 2001 15:44:45 +1000." <E15TGiV-0008WI-00@localhost>

On Sun, 05 Aug 2001 15:44:45 +1000, 
Rusty Russell <rusty@rustcorp.com.au> wrote:
>In message <22165.996722560@kao2.melbourne.sgi.com> you write:
>> The IA64 use of descriptors for function pointers has bitten ksymoops.
>> For those not familiar with IA64, &func points to a descriptor
>> containing { &code, &data_context }.  System.map contains the address
>> of the code, /proc/ksyms contains the address of the descriptor.
>> insmod needs the descriptor address, ksymoops and debuggers need the
>> code address, /proc/ksyms needs to contain both addresses, with one of
>> them prefixed by a special character.
>
>Eewwww....
>
>	How about just adding /proc/ksyms-ia64 with the code pointers
>which contains the ia64 code addresses required by ksymoops and
>debuggers.  These are, after all, less vital than insmod.

That requires changes to every kernel debugger, oops decoder etc.  I
don't control all of Linux debugging yet ;).  It is also more work
because it requires kernel changes as well as lots of user space.

BTW, do you know that you are sending from 144.137.82.79 which has no reverse
DNS?  Oh wait, it's Telstra :(

Welcome to Telstra country, on any day you can hear the customers being
ripped off.

  reply	other threads:[~2001-08-05  7:16 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-08-02  3:22 [RFC] /proc/ksyms change for IA64 Keith Owens
2001-08-05  5:44 ` Rusty Russell
2001-08-05  7:16   ` Keith Owens [this message]
2001-08-05 14:02     ` Rusty Russell
2001-08-05 14:51       ` Keith Owens
2001-08-05  9:29 ` PPC? (Was: Re: [RFC] /proc/ksyms change for IA64) Kai Henningsen
2001-08-05 19:41   ` Keith Owens
2001-08-05 20:26     ` Peter A. Castro
2001-08-06  3:05     ` Brad Boyer
2001-08-06 22:43     ` Rob Barris
2001-08-07  3:47   ` Anton Blanchard
2001-08-19  1:27 ` [RFC] /proc/ksyms change for IA64 Richard Henderson
2001-08-21  6:53   ` Keith Owens
2001-08-21 17:47     ` Richard Henderson
2001-08-02 12:42 [Linux-ia64] [RFC] /proc/ksyms change for IA64 (fwd) Jack Steiner
2001-08-02 13:25 ` [RFC] /proc/ksyms change for IA64 Keith Owens

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