Quentin Godfroy wrote:
>> Won't this break with ET_DYN executables? And besides, isn't this the
>> same thing?
>>
>
> Indeed, I haven't seen that. For ET_DYN executables, it could be done a
> thing like load_addr+elf_ppnt->p_vaddr (in the function that creates the
> auxv, as ity has access to the elf header), and for ET_EXEC do what I
> propose. I think this is trivial to do. I'll do it as soon as I come back
> in front of my machine.
>
I don't think you need to special-case it. You can compute the offset
between the linked address and the load address (first
PT_LOAD[0]->p_vaddr - load_addr) and use that to offset all the other
addresses.
> I don't understand. Yes it is what it is supposed to be, and the kernel
> is supposed to give the vaddr of the phdr table to the interpreter and
> not load addr + offset of phdr in file, which is sometimes wrong.
>
How can it be wrong? Does the PT_PHDR point to a different array of
Phdr entries?
J
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