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Re: "ELF-Symbols" tag for relocatable images


From: Rodrigo Valiña Gutiérrez
Subject: Re: "ELF-Symbols" tag for relocatable images
Date: Wed, 22 Mar 2017 16:43:35 +0100

>> They also may not match if virtual address != physical address, but as
>> we do not establish any address translation when launching image, this
>> probably is going to fail. Still would be good to have this assumption
>> explicitly listed in multiboot2 manual.
>
> I think that we should state in multiboot2 spec that physical address ==
> virtual address in ELF.
>

That may be true (that is going to fail) for entry point address, but
please note that many kernels have the entry point and bootstrap code
in a section/segment with virtual == physical, but then setup address
translation and jump to another sections/segments with virtual !=
physical addresses.



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