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authorjohannst <johannst@users.noreply.github.com>2025-03-23 23:51:01 +0000
committerjohannst <johannst@users.noreply.github.com>2025-03-23 23:51:01 +0000
commit2cad8341019659a65fc6e94992165b3d7b7a37db (patch)
tree5cf1b89a1f9ef825661e40adcc599cd3fabb71b3 /development
parentb6627f53bf459334446bb1e2c51728a764c8651d (diff)
downloadnotes-gh-pages.tar.gz
notes-gh-pages.zip
deploy: 916b73bee95494c205ba67e4a50e6a525afc3a3cgh-pages
Diffstat (limited to 'development')
-rw-r--r--development/gas.html258
-rw-r--r--development/gcc.html4
-rw-r--r--development/git.html4
-rw-r--r--development/index.html1
4 files changed, 263 insertions, 4 deletions
diff --git a/development/gas.html b/development/gas.html
new file mode 100644
index 0000000..3c87981
--- /dev/null
+++ b/development/gas.html
@@ -0,0 +1,258 @@
+<!DOCTYPE HTML>
+<html lang="en" class="light sidebar-visible" dir="ltr">
+ <head>
+ <!-- Book generated using mdBook -->
+ <meta charset="UTF-8">
+ <title>gas - Notes</title>
+
+
+ <!-- Custom HTML head -->
+
+ <meta name="description" content="">
+ <meta name="viewport" content="width=device-width, initial-scale=1">
+ <meta name="theme-color" content="#ffffff">
+
+ <link rel="icon" href="../favicon.svg">
+ <link rel="shortcut icon" href="../favicon.png">
+ <link rel="stylesheet" href="../css/variables.css">
+ <link rel="stylesheet" href="../css/general.css">
+ <link rel="stylesheet" href="../css/chrome.css">
+ <link rel="stylesheet" href="../css/print.css" media="print">
+
+ <!-- Fonts -->
+ <link rel="stylesheet" href="../FontAwesome/css/font-awesome.css">
+ <link rel="stylesheet" href="../fonts/fonts.css">
+
+ <!-- Highlight.js Stylesheets -->
+ <link rel="stylesheet" id="highlight-css" href="../highlight.css">
+ <link rel="stylesheet" id="tomorrow-night-css" href="../tomorrow-night.css">
+ <link rel="stylesheet" id="ayu-highlight-css" href="../ayu-highlight.css">
+
+ <!-- Custom theme stylesheets -->
+
+
+ <!-- Provide site root to javascript -->
+ <script>
+ var path_to_root = "../";
+ var default_theme = window.matchMedia("(prefers-color-scheme: dark)").matches ? "navy" : "light";
+ </script>
+ <!-- Start loading toc.js asap -->
+ <script src="../toc.js"></script>
+ </head>
+ <body>
+ <div id="body-container">
+ <!-- Work around some values being stored in localStorage wrapped in quotes -->
+ <script>
+ try {
+ var theme = localStorage.getItem('mdbook-theme');
+ var sidebar = localStorage.getItem('mdbook-sidebar');
+
+ if (theme.startsWith('"') && theme.endsWith('"')) {
+ localStorage.setItem('mdbook-theme', theme.slice(1, theme.length - 1));
+ }
+
+ if (sidebar.startsWith('"') && sidebar.endsWith('"')) {
+ localStorage.setItem('mdbook-sidebar', sidebar.slice(1, sidebar.length - 1));
+ }
+ } catch (e) { }
+ </script>
+
+ <!-- Set the theme before any content is loaded, prevents flash -->
+ <script>
+ var theme;
+ try { theme = localStorage.getItem('mdbook-theme'); } catch(e) { }
+ if (theme === null || theme === undefined) { theme = default_theme; }
+ const html = document.documentElement;
+ html.classList.remove('light')
+ html.classList.add(theme);
+ html.classList.add("js");
+ </script>
+
+ <input type="checkbox" id="sidebar-toggle-anchor" class="hidden">
+
+ <!-- Hide / unhide sidebar before it is displayed -->
+ <script>
+ var sidebar = null;
+ var sidebar_toggle = document.getElementById("sidebar-toggle-anchor");
+ if (document.body.clientWidth >= 1080) {
+ try { sidebar = localStorage.getItem('mdbook-sidebar'); } catch(e) { }
+ sidebar = sidebar || 'visible';
+ } else {
+ sidebar = 'hidden';
+ }
+ sidebar_toggle.checked = sidebar === 'visible';
+ html.classList.remove('sidebar-visible');
+ html.classList.add("sidebar-" + sidebar);
+ </script>
+
+ <nav id="sidebar" class="sidebar" aria-label="Table of contents">
+ <!-- populated by js -->
+ <mdbook-sidebar-scrollbox class="sidebar-scrollbox"></mdbook-sidebar-scrollbox>
+ <noscript>
+ <iframe class="sidebar-iframe-outer" src="../toc.html"></iframe>
+ </noscript>
+ <div id="sidebar-resize-handle" class="sidebar-resize-handle">
+ <div class="sidebar-resize-indicator"></div>
+ </div>
+ </nav>
+
+ <div id="page-wrapper" class="page-wrapper">
+
+ <div class="page">
+ <div id="menu-bar-hover-placeholder"></div>
+ <div id="menu-bar" class="menu-bar sticky">
+ <div class="left-buttons">
+ <label id="sidebar-toggle" class="icon-button" for="sidebar-toggle-anchor" title="Toggle Table of Contents" aria-label="Toggle Table of Contents" aria-controls="sidebar">
+ <i class="fa fa-bars"></i>
+ </label>
+ <button id="theme-toggle" class="icon-button" type="button" title="Change theme" aria-label="Change theme" aria-haspopup="true" aria-expanded="false" aria-controls="theme-list">
+ <i class="fa fa-paint-brush"></i>
+ </button>
+ <ul id="theme-list" class="theme-popup" aria-label="Themes" role="menu">
+ <li role="none"><button role="menuitem" class="theme" id="light">Light</button></li>
+ <li role="none"><button role="menuitem" class="theme" id="rust">Rust</button></li>
+ <li role="none"><button role="menuitem" class="theme" id="coal">Coal</button></li>
+ <li role="none"><button role="menuitem" class="theme" id="navy">Navy</button></li>
+ <li role="none"><button role="menuitem" class="theme" id="ayu">Ayu</button></li>
+ </ul>
+ <button id="search-toggle" class="icon-button" type="button" title="Search. (Shortkey: s)" aria-label="Toggle Searchbar" aria-expanded="false" aria-keyshortcuts="S" aria-controls="searchbar">
+ <i class="fa fa-search"></i>
+ </button>
+ </div>
+
+ <h1 class="menu-title">Notes</h1>
+
+ <div class="right-buttons">
+ <a href="../print.html" title="Print this book" aria-label="Print this book">
+ <i id="print-button" class="fa fa-print"></i>
+ </a>
+ <a href="https://github.com/johannst/notes" title="Git repository" aria-label="Git repository">
+ <i id="git-repository-button" class="fa fa-github"></i>
+ </a>
+
+ </div>
+ </div>
+
+ <div id="search-wrapper" class="hidden">
+ <form id="searchbar-outer" class="searchbar-outer">
+ <input type="search" id="searchbar" name="searchbar" placeholder="Search this book ..." aria-controls="searchresults-outer" aria-describedby="searchresults-header">
+ </form>
+ <div id="searchresults-outer" class="searchresults-outer hidden">
+ <div id="searchresults-header" class="searchresults-header"></div>
+ <ul id="searchresults">
+ </ul>
+ </div>
+ </div>
+
+ <!-- Apply ARIA attributes after the sidebar and the sidebar toggle button are added to the DOM -->
+ <script>
+ document.getElementById('sidebar-toggle').setAttribute('aria-expanded', sidebar === 'visible');
+ document.getElementById('sidebar').setAttribute('aria-hidden', sidebar !== 'visible');
+ Array.from(document.querySelectorAll('#sidebar a')).forEach(function(link) {
+ link.setAttribute('tabIndex', sidebar === 'visible' ? 0 : -1);
+ });
+ </script>
+
+ <div id="content" class="content">
+ <main>
+ <h1 id="gas"><a class="header" href="#gas">gas</a></h1>
+<h2 id="frequently-used-directives"><a class="header" href="#frequently-used-directives">Frequently used directives</a></h2>
+<ul>
+<li>
+<p><code>.byte</code>, <code>.2byte</code>, <code>.4byte</code>, <code>.8byte</code> to define a N byte value</p>
+<pre><code class="language-x86asm">.byte 0xaa
+.2byte 0xaabb
+.2byte 0xaa, 0xbb
+.4byte 0xaabbccdd
+.8byte 0xaabbccdd11223344
+</code></pre>
+</li>
+<li>
+<p><code>.ascii</code> to define an ascii string</p>
+<pre><code class="language-x86asm">.ascii "foo" ; allocates 3 bytes
+</code></pre>
+</li>
+<li>
+<p><code>.asciz</code> to define an ascii string with <code>'\0'</code> terminator</p>
+<pre><code class="language-x86asm">.asciz "foo" ; allocates 4 bytes (str + \0)
+</code></pre>
+</li>
+<li>
+<p><code>.macro</code> to define assembler macros. Arguments are accessed with the
+<code>\arg</code> syntax.</p>
+<pre><code class="language-x86asm">.macro defstr name str
+\name:
+ .ascii "\str"
+\name\()_len:
+ .8byte . - \name
+.endm
+
+; use as
+defstr foo, "foobar"
+</code></pre>
+<blockquote>
+<p>Use <code>\()</code> to concatenate macro argument and literal.</p>
+</blockquote>
+</li>
+<li>
+<p><a href="https://sourceware.org/binutils/docs/as">GNU Assembler</a></p>
+</li>
+<li>
+<p><a href="https://sourceware.org/binutils/docs/as/Pseudo-Ops.html#Pseudo-Ops">GNU Assembler Directives</a></p>
+</li>
+<li>
+<p><a href="https://sourceware.org/binutils/docs/as/i386_002dDependent.html">GNU Assembler <code>x86_64</code> dependent features</a></p>
+</li>
+</ul>
+
+ </main>
+
+ <nav class="nav-wrapper" aria-label="Page navigation">
+ <!-- Mobile navigation buttons -->
+ <a rel="prev" href="../development/gcc.html" class="mobile-nav-chapters previous" title="Previous chapter" aria-label="Previous chapter" aria-keyshortcuts="Left">
+ <i class="fa fa-angle-left"></i>
+ </a>
+
+ <a rel="next prefetch" href="../development/git.html" class="mobile-nav-chapters next" title="Next chapter" aria-label="Next chapter" aria-keyshortcuts="Right">
+ <i class="fa fa-angle-right"></i>
+ </a>
+
+ <div style="clear: both"></div>
+ </nav>
+ </div>
+ </div>
+
+ <nav class="nav-wide-wrapper" aria-label="Page navigation">
+ <a rel="prev" href="../development/gcc.html" class="nav-chapters previous" title="Previous chapter" aria-label="Previous chapter" aria-keyshortcuts="Left">
+ <i class="fa fa-angle-left"></i>
+ </a>
+
+ <a rel="next prefetch" href="../development/git.html" class="nav-chapters next" title="Next chapter" aria-label="Next chapter" aria-keyshortcuts="Right">
+ <i class="fa fa-angle-right"></i>
+ </a>
+ </nav>
+
+ </div>
+
+
+
+
+ <script>
+ window.playground_copyable = true;
+ </script>
+
+
+ <script src="../elasticlunr.min.js"></script>
+ <script src="../mark.min.js"></script>
+ <script src="../searcher.js"></script>
+
+ <script src="../clipboard.min.js"></script>
+ <script src="../highlight.js"></script>
+ <script src="../book.js"></script>
+
+ <!-- Custom JS scripts -->
+
+
+ </div>
+ </body>
+</html>
diff --git a/development/gcc.html b/development/gcc.html
index 5b0fcc0..05ac313 100644
--- a/development/gcc.html
+++ b/development/gcc.html
@@ -260,7 +260,7 @@ run1:
<i class="fa fa-angle-left"></i>
</a>
- <a rel="next prefetch" href="../development/git.html" class="mobile-nav-chapters next" title="Next chapter" aria-label="Next chapter" aria-keyshortcuts="Right">
+ <a rel="next prefetch" href="../development/gas.html" class="mobile-nav-chapters next" title="Next chapter" aria-label="Next chapter" aria-keyshortcuts="Right">
<i class="fa fa-angle-right"></i>
</a>
@@ -274,7 +274,7 @@ run1:
<i class="fa fa-angle-left"></i>
</a>
- <a rel="next prefetch" href="../development/git.html" class="nav-chapters next" title="Next chapter" aria-label="Next chapter" aria-keyshortcuts="Right">
+ <a rel="next prefetch" href="../development/gas.html" class="nav-chapters next" title="Next chapter" aria-label="Next chapter" aria-keyshortcuts="Right">
<i class="fa fa-angle-right"></i>
</a>
</nav>
diff --git a/development/git.html b/development/git.html
index c25adc2..89a9d30 100644
--- a/development/git.html
+++ b/development/git.html
@@ -404,7 +404,7 @@ history: A - B
<nav class="nav-wrapper" aria-label="Page navigation">
<!-- Mobile navigation buttons -->
- <a rel="prev" href="../development/gcc.html" class="mobile-nav-chapters previous" title="Previous chapter" aria-label="Previous chapter" aria-keyshortcuts="Left">
+ <a rel="prev" href="../development/gas.html" class="mobile-nav-chapters previous" title="Previous chapter" aria-label="Previous chapter" aria-keyshortcuts="Left">
<i class="fa fa-angle-left"></i>
</a>
@@ -418,7 +418,7 @@ history: A - B
</div>
<nav class="nav-wide-wrapper" aria-label="Page navigation">
- <a rel="prev" href="../development/gcc.html" class="nav-chapters previous" title="Previous chapter" aria-label="Previous chapter" aria-keyshortcuts="Left">
+ <a rel="prev" href="../development/gas.html" class="nav-chapters previous" title="Previous chapter" aria-label="Previous chapter" aria-keyshortcuts="Left">
<i class="fa fa-angle-left"></i>
</a>
diff --git a/development/index.html b/development/index.html
index b93cc47..98bd9ec 100644
--- a/development/index.html
+++ b/development/index.html
@@ -161,6 +161,7 @@
<li><a href="./c++.html">c++</a></li>
<li><a href="./glibc.html">glibc</a></li>
<li><a href="./gcc.html">gcc</a></li>
+<li><a href="./gas.html">gas</a></li>
<li><a href="./git.html">git</a></li>
<li><a href="./cmake.html">cmake</a></li>
<li><a href="./make.html">make</a></li>
generated by cgit v1.2.3 (git 2.25.1) at 2025-04-04 04:55:20 +0000