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From: Wolfgang Denk <wd@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot-Users] Changing u-boot relocation scheme
Date: Fri, 25 Jul 2008 06:28:15 +0200	[thread overview]
Message-ID: <20080725042815.EC87A248CE@gemini.denx.de> (raw)
In-Reply-To: Your message of "Thu, 24 Jul 2008 15:17:38 +0200." <1216905458.27201.38.camel@localhost.localdomain>

Dear Kenneth,

in message <1216905458.27201.38.camel@localhost.localdomain> you wrote:
> 
> > It is standard, documented by the ABI, and works fine if done
> > correctly. We just don't do it correctly yet.
> 
> Well the type of runtime relocation that we do in u-boot is not really
> specified in any documentation. What is in the abi is assuming a dynamic
> linker and a proper elf file.
> 
> Gcc can be nice and create a fixup table for us if we ask for it but
> that is not something that exist in any abi document I ever read. That
> also explains why when this reloaction code was initially done we ended
> up with the extra fixup code that tries to catch a few pointer that the
> GOT table is not containing, nobody know the fixup table even existed
> and it sure as hell is not mentioned in the documentation you have to
> read the gcc code to understand what the -mrelocatable option really do.

Thanks for providing such a friendly explanation that the code I came
up is so crappy :-)

Anyway - let's fix it, rather than do something that is *completely*
non-standard.

Thanks.

Best regards,

Wolfgang Denk

-- 
DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
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nothing of interest is easy.

  parent reply	other threads:[~2008-07-25  4:28 UTC|newest]

Thread overview: 69+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-07-23 17:39 [U-Boot-Users] Changing u-boot relocation scheme vb
2008-07-23 21:46 ` Jerry Van Baren
2008-07-23 22:46   ` vb
2008-07-24  3:18     ` Wolfgang Denk
2008-07-24  6:45       ` vb
2008-07-24  9:58         ` Haavard Skinnemoen
2008-07-24 13:47           ` vb
2008-07-24 12:23         ` Jerry Van Baren
2008-07-24 12:47         ` Kenneth Johansson
2008-07-24 13:50           ` vb
2008-07-24 13:01         ` Wolfgang Denk
2008-07-24 13:17           ` Kenneth Johansson
2008-07-24 16:57             ` Haavard Skinnemoen
2008-07-24 17:12               ` Kenneth Johansson
2008-07-25  9:16                 ` Haavard Skinnemoen
2008-07-24 17:37               ` vb
2008-07-24 18:09                 ` Kenneth Johansson
2008-07-24 18:26                   ` vb
2008-07-24 18:32                     ` Joakim Tjernlund
2008-07-24 18:41                     ` Kenneth Johansson
2008-07-25  4:28                   ` Wolfgang Denk
2008-07-26  5:48                   ` Grant Likely
2008-07-26  7:53                     ` kenneth johansson
2008-07-26 12:48                       ` Grant Likely
2008-07-25  4:28               ` Wolfgang Denk
2008-07-25  9:10                 ` Haavard Skinnemoen
2008-07-25 11:55                   ` kenneth johansson
2008-07-25 12:19                     ` Haavard Skinnemoen
2008-07-25 13:30                       ` Joakim Tjernlund
2008-07-26  5:36                         ` Wolfgang Denk
2008-07-25 14:33                       ` kenneth johansson
2008-07-25 14:51                         ` vb
2008-07-25 15:21                           ` Jerry Van Baren
2008-07-25 18:50                             ` Haavard Skinnemoen
2008-07-25 19:03                               ` Jerry Van Baren
2008-07-26  5:36                               ` Wolfgang Denk
2008-07-26 16:09                                 ` Haavard Skinnemoen
2008-07-26  6:06                               ` Grant Likely
2008-07-26  6:11                                 ` Grant Likely
2008-07-26 12:49                                 ` Wolfgang Denk
2008-07-26  5:36                           ` Wolfgang Denk
2008-07-26  5:51                             ` vb
2008-07-25 15:23                         ` Haavard Skinnemoen
2008-07-25 16:31                           ` kenneth johansson
2008-07-25 17:02                             ` Jerry Van Baren
2008-07-25 17:28                               ` kenneth johansson
2008-07-25 18:35                                 ` Haavard Skinnemoen
2008-07-25 19:57                                   ` J. William Campbell
2008-07-25 20:51                                   ` kenneth johansson
2008-07-26 15:54                                     ` Haavard Skinnemoen
2008-07-26 21:29                                       ` J. William Campbell
2008-07-26 21:58                                         ` Haavard Skinnemoen
2008-07-27  0:15                                           ` J. William Campbell
2008-07-26  5:36                                 ` Wolfgang Denk
2008-07-26  7:41                                   ` kenneth johansson
2008-07-26 12:49                                     ` Wolfgang Denk
2008-07-26  5:57                                 ` Grant Likely
2008-07-26 14:03                                   ` Jean-Christophe PLAGNIOL-VILLARD
2008-07-26 14:29                                     ` Joakim Tjernlund
2008-07-25 16:48                           ` J. William Campbell
2008-07-25  4:28             ` Wolfgang Denk [this message]
2008-07-24 13:45         ` Jon Loeliger
2008-07-24 13:52           ` vb
2008-07-26  5:43         ` Grant Likely
2008-07-26  5:54           ` vb
2008-07-26  6:20             ` Grant Likely
2008-07-24  3:18 ` Wolfgang Denk
2008-07-24  6:20 ` Robert Schwebel
2008-09-15 14:56 ` [U-Boot] " vb

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