67 lines
3.2 KiB
HTML
67 lines
3.2 KiB
HTML
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<title>Shellcode Compiler Runtime</title>
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<div>»<a href="index.html">Home</a></div>
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<div>»<a href="examples.html">Examples</a></div>
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<div>»<a href="scc.html">Invocation</a></div>
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<div>»<a href="runtime.html">Runtime Library</a></div>
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<div>»<a href="python.html">Python Bindings</a></div>
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<div>»<a href="issues.html">Known Issues</a></div>
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</div>
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</div>
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<div id="layout-content-box">
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<div id="layout-banner">
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<div id="layout-title">Shellcode Compiler</div>
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<div id="layout-description">A custom shellcode compiler for Binary Ninja</div>
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</div>
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<div id="layout-content">
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<div id="header">
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<h1>mmap</h1>
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</div>
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<div id="content">
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<div id="preamble">
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<div class="sectionbody">
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<div class="listingblock">
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<div class="content monospaced">
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<pre>void* mmap(void* addr, size_t len, int prot, int flags, int fd, uint64_t offset);</pre>
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</div></div>
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<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
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automatically picks a free virtual address. If <span class="monospaced">addr</span> is not <span class="monospaced">NULL</span>, the provided address is mapped
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(existing mappings will be overridden).</p></div>
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<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>
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<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
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<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
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<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>
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parameters specify the file handle and offset within the file of the beginning of the mapping.</p></div>
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<div class="paragraph"><p>Returns a pointer to the mapped region.</p></div>
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</div>
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</div>
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<div class="sect1">
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<h2 id="_see_also">See also</h2>
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<div class="sectionbody">
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<div class="paragraph"><p><a href="munmap.html">munmap</a></p></div>
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</div>
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</div>
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</div>
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<div id="footnotes"><hr /></div>
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</div>
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</div>
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</body>
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</html>
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