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ueforth/site/linux.html
2023-12-08 18:36:26 -08:00

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<!DOCTYPE html>
<!--
Copyright 2021 Bradley D. Nelson
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
-->
<head>
{{HEAD}}
<title>µEforth for Linux</title>
</head>
<body>
<h1>µEforth for Linux</h1>
{{MENU}}
<div class="wrapper">
<h2>Download</h2>
<h3>STABLE RELEASE</h3>
<p>
<a href="https://eforth.storage.googleapis.com/releases/ueforth-{{STABLE_VERSION}}.linux">ueforth-{{STABLE_VERSION}}.linux</a>
- Linux 64-bit Executable µEforth<br/>
<i>Version: {{STABLE_VERSION}} (Stable)</i>
</p>
<h3>LONG TERM STABLE RELEASE</h3>
<p>
<a href="https://eforth.storage.googleapis.com/releases/ueforth-{{OLD_STABLE_VERSION}}.linux">ueforth-{{OLD_STABLE_VERSION}}.linux</a>
- Linux 64-bit Executable µEforth<br/>
<i>Version: {{OLD_STABLE_VERSION}} (Long-term Stable)</i>
</p>
<h3>Beta Release</h3>
<p>
<a href="https://eforth.storage.googleapis.com/releases/ueforth-{{VERSION}}.linux">ueforth-{{VERSION}}.linux</a>
- Linux 64-bit Executable µEforth<br/>
<i>Version: {{VERSION}} (Beta)</i>
</p>
<hr/>
<p>
<a href="https://eforth.storage.googleapis.com/releases/archive.html" target="_blank">Release Archive</a>
- Prior Releases
</p>
<p>
<a href="https://github.com/flagxor/ueforth" target="_blank">http://github.com/flagxor/ueforth</a>
- Complete Unprocessed Source Code
</p>
<h2>µEforth</h2>
<h3>µEforth Words</h3>
{{COMMON}}
{{FILES_COMMON}}
{{POSIX_COMMON}}
<h3>Linux</h3>
<h4>Linux Opcodes</h4>
<p>
Linux libraries and the operating system can be accessed via the use
of the <code>DLSYM</code> word. Functions can be requested by name from
particular modules. As the dynamic linking module is already loaded initially,
a 0 for the module allows the library loading function (<code>dlopen</code>)
to be loaded from Forth.
</p>
<pre>
DLSYM ( module name-z -- fn )
</pre>
<p>
See <a href="https://github.com/flagxor/ueforth/blob/main/posix/posix_main.c">posix_main.c</a>.
</p>
<p>
Native functions all called with CALL(n) (see Windows &amp; Linux Calling below).
</p>
<h4>Linux Imports</h4>
<p>
Various Linux calls including Xlib are imported in
<a href="https://github.com/flagxor/ueforth/blob/main/posix/posix.fs">posix.fs</a> and
<a href="https://github.com/flagxor/ueforth/blob/main/posix/xlib.fs">xlib.fs</a>.
In addition, <code>TYPE</code> and <code>KEY</code> are connected to
<code>stdin</code> and <code>stdout</code>.
</p>
{{DESKTOP_COMMON}}