[U-Boot] [PATCH] zynq: Fix elf header generation

Michal Simek
2014-02-05T07:07:32Z

On 02/04/2014 09:35 PM, Tom Rini wrote:
> On Tue, Feb 04, 2014 at 04:59:45PM +0100, Michal Simek wrote:
>
>> This patch is here because of:
>> "arm: keep all sections in ELF file"
>> (sha1: 47ed5dd031d7d2c587e6afd386e79ccec1a1b7f7)
>>
>> Our tools expect to have elf with only LOAD header.
>> Without this fix also PHDR, INTERP and DYNAMIC headers
>> are available in ELF.
>>
>> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
> [snip]
>
> Two things..
>
>> + /*
>> + * Deprecated: this MMU section is used by pxa at present but
>> + * should not be used by new boards/CPUs.
>> + */
>> + . = ALIGN(4096);
>> + .mmutable : {
>> + *(.mmutable)
>> + }
>
> You don't need this do you? If not, drop it..

I don't need it.

>
> [snip]
>> + /DISCARD/ : { *(.dynsym) }
>> + /DISCARD/ : { *(.dynbss*) }
>> + /DISCARD/ : { *(.dynstr*) }
>> + /DISCARD/ : { *(.dynamic*) }
>> + /DISCARD/ : { *(.plt*) }
>> + /DISCARD/ : { *(.interp*) }
>> + /DISCARD/ : { *(.gnu*) }
>> + /DISCARD/ : { *(.ARM.exidx*) }
>> + /DISCARD/ : { *(.gnu.linkonce.armexidx.*) }
>
> Here is the difference between your linker script and the main ARM one.
> Please add a comment block that explains that you need to discard more
> sections because the user is expected to pass this image on to tools
> that require them to be dropped so it's clear why there is this delta
> between the scripts. Thanks!

Fixed in v2.

Thanks,
Michal

--
Michal Simek, Ing. (M.Eng), OpenPGP -> KeyID: FE3D1F91
w: www.monstr.eu p: +42-0-721842854
Maintainer of Linux kernel - Microblaze cpu - http://www.monstr.eu/fdt/
Maintainer of Linux kernel - Xilinx Zynq ARM architecture
Microblaze U-BOOT custodian and responsible for u-boot arm zynq platform

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