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100 lines
4.4 KiB
HTML
100 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>The F Request Packet (Debugging with GDB)</title>
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<meta name="description" content="The F Request Packet (Debugging with GDB)">
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<meta name="keywords" content="The F Request Packet (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="File_002dI_002fO-Remote-Protocol-Extension.html#File_002dI_002fO-Remote-Protocol-Extension" rel="up" title="File-I/O Remote Protocol Extension">
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<link href="The-F-Reply-Packet.html#The-F-Reply-Packet" rel="next" title="The F Reply Packet">
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<link href="Protocol-Basics.html#Protocol-Basics" rel="prev" title="Protocol Basics">
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<style type="text/css">
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ul.no-bullet {list-style: none}
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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="The-F-Request-Packet"></a>
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<div class="header">
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<p>
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Next: <a href="The-F-Reply-Packet.html#The-F-Reply-Packet" accesskey="n" rel="next">The F Reply Packet</a>, Previous: <a href="Protocol-Basics.html#Protocol-Basics" accesskey="p" rel="prev">Protocol Basics</a>, Up: <a href="File_002dI_002fO-Remote-Protocol-Extension.html#File_002dI_002fO-Remote-Protocol-Extension" accesskey="u" rel="up">File-I/O Remote Protocol Extension</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="The-F-Request-Packet-1"></a>
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<h4 class="subsection">E.13.3 The <code>F</code> Request Packet</h4>
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<a name="index-file_002di_002fo-request-packet"></a>
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<a name="index-F-request-packet"></a>
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<p>The <code>F</code> request packet has the following format:
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</p>
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<dl compact="compact">
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<dt>‘<samp>F<var>call-id</var>,<var>parameter…</var></samp>’</dt>
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<dd>
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<p><var>call-id</var> is the identifier to indicate the host system call to be called.
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This is just the name of the function.
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</p>
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<p><var>parameter…</var> are the parameters to the system call.
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Parameters are hexadecimal integer values, either the actual values in case
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of scalar datatypes, pointers to target buffer space in case of compound
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datatypes and unspecified memory areas, or pointer/length pairs in case
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of string parameters. These are appended to the <var>call-id</var> as a
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comma-delimited list. All values are transmitted in ASCII
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string representation, pointer/length pairs separated by a slash.
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</p>
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</dd>
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</dl>
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</body>
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</html>
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