[Libre-soc-bugs] [Bug 1169] Add ELF and mmap support to ISACaller -- no dynamic linking

[bugzilla-daemon at libre-soc.org]

https://bugs.libre-soc.org/show_bug.cgi?id=1169

--- Comment #44 from Luke Kenneth Casson Leighton <lkcl at lkcl.net> ---
(In reply to Jacob Lifshay from comment #43)
> I got a statically-linked hello world to work! 

hooraaay! that's a big damn deal!

> I also had to do a bunch of
> debugging and fixing the syscall support, I cleaned up some of the kludges
> and fixed the tests to match.

yeah sounds about right, only by testing is the dive deep enough

> I made ISACaller call load_elf (through MemMMap.initialize), since that way
> it's easier to use from both unit tests and from pypowersim. basically, you
> just pass a ELFFile in instead of a Program.

yeah that makes perfect sense to me, welcome to the Liskov Substitution
Principle...

> ELF relocations aren't implemented yet...

next grant... or is it quick and easy? -fPIC support would be brilliant
to have, but only if it takes a really short amount of time

> commit dcd540c1055af5cabb2c18c67bbe5d6d1b70b744
> Author: Jacob Lifshay <programmerjake at gmail.com>
> Date:   Wed Nov 29 19:04:26 2023 -0800
> 
>     setup: add pyelftools v0.30 as dependency

mmmm i took all dependencies out, pip3 is so bad nowadays.
can you comment-out it and add to devscripts instead?
leave the actual dependency still in there, don't delete it.

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