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Re: I rewrote the code for 64-bit


From: eric
Subject: Re: I rewrote the code for 64-bit
Date: Sat, 20 Apr 2024 12:00:29 -0700
User-agent: Mozilla Thunderbird

On 4/20/24 05:36, Kenan Kartal wrote:
Hello,

Last month I have mentioned I was rewriting the code in the book for
x86-64 [1]. I have finished it and you can see both the 32-bit and
64-bit versions in the repo [2]. The 64-bit versions are written with
respect to System V ABI.

It was a very enjoyable read. I have gotten some assembly practice
thanks to this. Also this led me to learn more about the tools I use.

I will leave the repo open for any comments you might have for some
time, presumably a month or two. After that I will archive it.

Sincerely,

[1]
https://lists.nongnu.org/archive/html/pgubook-readers/2024-03/msg00000.html
[2] https://github.com/kenan-kartal/pgu-64


That is great. I had converted a few programs when my computer went to 64 bit and had thought doing that for all the programs would be a good thing to do but never got around to it.

I only had a cursory look at your code and the only comment I could make right now for any improvement is to add a debug option to your Makefile to build the programs with debugging information to be able to use gdb or another debugger to step through the code.

You did a great service. Thank you very much.

Eric



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