67 lines
3.2 KiB
HTML
67 lines
3.2 KiB
HTML
|
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN"
|
||
|
|
"http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
|
||
|
|
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">
|
||
|
|
<head>
|
||
|
|
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
|
||
|
|
<meta name="generator" content="AsciiDoc 8.6.9" />
|
||
|
|
<title>Shellcode Compiler Runtime</title>
|
||
|
|
<link rel="stylesheet" href="lib/v35.css" type="text/css" />
|
||
|
|
<link rel="stylesheet" href="lib/layout2v35.css" type="text/css" />
|
||
|
|
<script type="text/javascript" src="lib/asciidoc.js"></script>
|
||
|
|
<script type="text/javascript">
|
||
|
|
/*<![CDATA[*/
|
||
|
|
asciidoc.install();
|
||
|
|
/*]]>*/
|
||
|
|
</script>
|
||
|
|
</head>
|
||
|
|
<body>
|
||
|
|
<div id="layout-menu-box">
|
||
|
|
<div id="layout-menu">
|
||
|
|
<div>»<a href="index.html">Home</a></div>
|
||
|
|
<div>»<a href="examples.html">Examples</a></div>
|
||
|
|
<div>»<a href="scc.html">Invocation</a></div>
|
||
|
|
<div>»<a href="runtime.html">Runtime Library</a></div>
|
||
|
|
<div>»<a href="python.html">Python Bindings</a></div>
|
||
|
|
<div>»<a href="issues.html">Known Issues</a></div>
|
||
|
|
</div>
|
||
|
|
</div>
|
||
|
|
<div id="layout-content-box">
|
||
|
|
<div id="layout-banner">
|
||
|
|
<div id="layout-title">Shellcode Compiler</div>
|
||
|
|
<div id="layout-description">A custom shellcode compiler for Binary Ninja</div>
|
||
|
|
</div>
|
||
|
|
<div id="layout-content">
|
||
|
|
<div id="header">
|
||
|
|
<h1>mmap</h1>
|
||
|
|
</div>
|
||
|
|
<div id="content">
|
||
|
|
<div id="preamble">
|
||
|
|
<div class="sectionbody">
|
||
|
|
<div class="listingblock">
|
||
|
|
<div class="content monospaced">
|
||
|
|
<pre>void* mmap(void* addr, size_t len, int prot, int flags, int fd, uint64_t offset);</pre>
|
||
|
|
</div></div>
|
||
|
|
<div class="paragraph"><p>Maps a block of memory of <span class="monospaced">len</span> bytes with page protection <span class="monospaced">prot</span>. If <span class="monospaced">addr</span> is <span class="monospaced">NULL</span>, the system
|
||
|
|
automatically picks a free virtual address. If <span class="monospaced">addr</span> is not <span class="monospaced">NULL</span>, the provided address is mapped
|
||
|
|
(existing mappings will be overridden).</p></div>
|
||
|
|
<div class="paragraph"><p>The protection flags in <span class="monospaced">prot</span> can include one or more of <span class="monospaced">PROT_READ</span>, <span class="monospaced">PROT_WRITE</span>, and <span class="monospaced">PROT_EXEC</span>.</p></div>
|
||
|
|
<div class="paragraph"><p>The <span class="monospaced">flags</span> parameter must contain one of <span class="monospaced">MAP_SHARED</span> or <span class="monospaced">MAP_PRIVATE</span>. Additional flags include
|
||
|
|
<span class="monospaced">MAP_ANONYMOUS</span>, which maps a region backed by RAM instead of a file. The <span class="monospaced">fd</span> parameter should be
|
||
|
|
<span class="monospaced">-1</span> when mapping anonymous pages. If the region is to be backed by a file, the <span class="monospaced">fd</span> and <span class="monospaced">offset</span>
|
||
|
|
parameters specify the file handle and offset within the file of the beginning of the mapping.</p></div>
|
||
|
|
<div class="paragraph"><p>Returns a pointer to the mapped region.</p></div>
|
||
|
|
</div>
|
||
|
|
</div>
|
||
|
|
<div class="sect1">
|
||
|
|
<h2 id="_see_also">See also</h2>
|
||
|
|
<div class="sectionbody">
|
||
|
|
<div class="paragraph"><p><a href="munmap.html">munmap</a></p></div>
|
||
|
|
</div>
|
||
|
|
</div>
|
||
|
|
</div>
|
||
|
|
<div id="footnotes"><hr /></div>
|
||
|
|
</div>
|
||
|
|
</div>
|
||
|
|
</body>
|
||
|
|
</html>
|