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94 lines
4.4 KiB
HTML
94 lines
4.4 KiB
HTML
4 years ago
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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<html>
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<!-- Copyright (C) 1988-2019 Free Software Foundation, Inc.
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Permission is granted to copy, distribute and/or modify this document
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under the terms of the GNU Free Documentation License, Version 1.3 or
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any later version published by the Free Software Foundation; with the
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Invariant Sections being "Free Software" and "Free Software Needs
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Free Documentation", with the Front-Cover Texts being "A GNU Manual,"
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and with the Back-Cover Texts as in (a) below.
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(a) The FSF's Back-Cover Text is: "You are free to copy and modify
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this GNU Manual. Buying copies from GNU Press supports the FSF in
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developing GNU and promoting software freedom." -->
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<!-- Created by GNU Texinfo 6.4, http://www.gnu.org/software/texinfo/ -->
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<head>
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<title>Operating System Information (Debugging with GDB)</title>
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<meta name="description" content="Operating System Information (Debugging with GDB)">
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<meta name="keywords" content="Operating System Information (Debugging with GDB)">
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<meta name="resource-type" content="document">
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<meta name="distribution" content="global">
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<meta name="Generator" content="makeinfo">
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
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<link href="index.html#Top" rel="start" title="Top">
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<link href="Concept-Index.html#Concept-Index" rel="index" title="Concept Index">
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<link href="index.html#SEC_Contents" rel="contents" title="Table of Contents">
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<link href="index.html#Top" rel="up" title="Top">
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<link href="Process-list.html#Process-list" rel="next" title="Process list">
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<link href="TIC6x-Features.html#TIC6x-Features" rel="prev" title="TIC6x Features">
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<style type="text/css">
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-->
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</style>
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</head>
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<body lang="en">
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<a name="Operating-System-Information"></a>
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<div class="header">
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<p>
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Next: <a href="Trace-File-Format.html#Trace-File-Format" accesskey="n" rel="next">Trace File Format</a>, Previous: <a href="Target-Descriptions.html#Target-Descriptions" accesskey="p" rel="prev">Target Descriptions</a>, Up: <a href="index.html#Top" accesskey="u" rel="up">Top</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Concept-Index.html#Concept-Index" title="Index" rel="index">Index</a>]</p>
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</div>
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<hr>
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<a name="Operating-System-Information-1"></a>
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<h2 class="appendix">Appendix H Operating System Information</h2>
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<a name="index-operating-system-information"></a>
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<table class="menu" border="0" cellspacing="0">
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<tr><td align="left" valign="top">• <a href="Process-list.html#Process-list" accesskey="1">Process list</a>:</td><td> </td><td align="left" valign="top">
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</td></tr>
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</table>
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<p>Users of <small>GDB</small> often wish to obtain information about the state of
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the operating system running on the target—for example the list of
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processes, or the list of open files. This section describes the
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mechanism that makes it possible. This mechanism is similar to the
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target features mechanism (see <a href="Target-Descriptions.html#Target-Descriptions">Target Descriptions</a>), but focuses
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on a different aspect of target.
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</p>
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<p>Operating system information is retrived from the target via the
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remote protocol, using ‘<samp>qXfer</samp>’ requests (see <a href="General-Query-Packets.html#qXfer-osdata-read">qXfer osdata read</a>). The object name in the request should be ‘<samp>osdata</samp>’, and
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the <var>annex</var> identifies the data to be fetched.
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</p>
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</body>
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</html>
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