89 lines
2.9 KiB
Org Mode
89 lines
2.9 KiB
Org Mode
#+TITLE:
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#+STARTUP: showall
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* Installing HLA on Archlinux :hla:archlinux:
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:PROPERTIES:
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:PUBDATE: <2014-12-27 Sat 21:43>
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:END:
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I recently started reading [[http://www.nostarch.com/assembly2.htm][The Art of Assembly Language, 2nd
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Edition]]. It uses High-Level Assembly language in its code examples
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and this requires a special compiler, or assembler, to turn your
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code into machine code.
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** Fixing the PKGBUILD
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The compiler, ~hla~, is available on the Archlinux User Repository
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[[https://aur.archlinux.org/packages/hla/][here]]. At the time of writing, though, that ~PKGBUILD~ doesn't work
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entirely. By default pacman removes all static libraries from the
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created packages, which took me a while to find out. Adding the
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following line to the ~PKGBUILD~ fixes it:
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#+BEGIN_SRC sh
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options=(staticlibs)
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#+END_SRC
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I also placed a comment on the AUR page, but there has been no sign
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of acknowledgment so far.
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** Running on x86_64
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After having installed the compiler I got a lot of errors compiling
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my very simple hello world application, as typed over from the
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book. The gist of them was that it couldn't create 64-bit
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executables, which isn't very surprising as HLA seems to be only
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for x86 (32-bit) architecture. Another comment on the AUR page
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helped that though. One should add the ~-lmelf_i386~ switch to the
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~hla~ command-line. So I put in my =~/.zshrc=:
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#+BEGIN_SRC sh
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alias hla="hla -lmelf_i386"
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#+END_SRC
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This discovery only came after a few other attempts to install HLA.
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** Alternative: Using Vagrant
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Before I'd read about the ~-lmelf_i386~ command-line switch I was
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looking at ways to run a 32-bit operating system inside my
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Archlinux installation. There are a few options I'm familiar with:
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lxc, Docker and Vagrant.
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At first I tried to create a 32-bit Archlinux container, but the
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installation script failed, so I couldn't get that started. Then I
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went on to Vagrant, which worked pretty quickly.
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I used the ~ubuntu/trusty32~ box, which can be downloaded by calling:
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: vagrant box add ubuntu/trusty32
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A very short ~Vagrantfile~:
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#+BEGIN_SRC ruby
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# -*- mode: ruby -*-
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# vi: set ft=ruby :
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Vagrant.configure(2) do |config|
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config.vm.box = "ubuntu/trusty32"
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config.vm.provision :shell, path: "vagrant.sh"
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end
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#+END_SRC
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and then the provision in ~vagrant.sh~:
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#+BEGIN_SRC sh
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wget http://www.plantation-productions.com/Webster/HighLevelAsm/HLAv2.16/linux.hla.tar.gz
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tar --directory / --extract --file linux.hla.tar.gz
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cat > /etc/profile.d/hla.sh <<EOF
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#!/usr/bin/bash
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export hlalib=/usr/hla/hlalib
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export hlainc=/usr/hla/include
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export hlatemp=/tmp
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export PATH="${PATH}:/usr/hla"
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EOF
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#+END_SRC
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After that you can just call ~vagrant up~, wait a while and then have
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fun playing around with HLA in an Ubuntu 14.04 environment.
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