From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Randy.Dunlap" Date: Mon, 21 Jun 2004 16:29:46 +0000 Subject: Re: 2.6.7: kallsyms --all-symbols shows a shift in the symbol Message-Id: <20040621092946.1c762c4d.rddunlap@osdl.org> List-Id: References: <40D70AAC.2010006@bull.net> In-Reply-To: <40D70AAC.2010006@bull.net> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-ia64@vger.kernel.org On Mon, 21 Jun 2004 18:19:56 +0200 Xavier Bru wrote: | Hi all! | | There is a problem with the all kallsyms support in 2.6.7 | scripts/kallsyms.c. | Building the table reserves the adresses for all the kernel symbols in | first step, then generates the effective addresses of the symbols in step 2. | The problem is that the symbols used to build the symbol table are not | taken in account for the size calculation, but are included in the table | in step 2. | This makes the table "bigger" than was allocated, and the symbols that | come behind are shifted. | This makes kallsyms (and KDB) give wrong addresses for these symbols. | | One solution is to exclude from the symbol table the symbols used for | building it (As was provided in KDB patch :-) Is this the same problem that Keith Owens made a patch for against 2.6.7-rc3 on 2004-june-15? Subject: [patch 2.6.7-rc3] When two kallsyms passes are not enough http://marc.theaimsgroup.com/?l=linux-kernel&m8728234402407&w=2 -- ~Randy