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148 lines
5.9 KiB
HTML
148 lines
5.9 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>GDB/MI Input Syntax (Debugging with GDB)</title>
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<meta name="description" content="GDB/MI Input Syntax (Debugging with GDB)">
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<meta name="keywords" content="GDB/MI Input Syntax (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="GDB_002fMI-Command-Syntax.html#GDB_002fMI-Command-Syntax" rel="up" title="GDB/MI Command Syntax">
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<link href="GDB_002fMI-Output-Syntax.html#GDB_002fMI-Output-Syntax" rel="next" title="GDB/MI Output Syntax">
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<link href="GDB_002fMI-Command-Syntax.html#GDB_002fMI-Command-Syntax" rel="prev" title="GDB/MI Command Syntax">
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</style>
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</head>
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<body lang="en">
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<a name="GDB_002fMI-Input-Syntax"></a>
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<div class="header">
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<p>
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Next: <a href="GDB_002fMI-Output-Syntax.html#GDB_002fMI-Output-Syntax" accesskey="n" rel="next">GDB/MI Output Syntax</a>, Up: <a href="GDB_002fMI-Command-Syntax.html#GDB_002fMI-Command-Syntax" accesskey="u" rel="up">GDB/MI Command Syntax</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="GDB_002fMI-Input-Syntax-1"></a>
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<h4 class="subsection">27.2.1 <small>GDB/MI</small> Input Syntax</h4>
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<a name="index-input-syntax-for-GDB_002fMI"></a>
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<a name="index-GDB_002fMI_002c-input-syntax"></a>
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<dl compact="compact">
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<dt><code><var>command</var> →</code></dt>
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<dd><p><code><var>cli-command</var> | <var>mi-command</var></code>
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</p>
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</dd>
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<dt><code><var>cli-command</var> →</code></dt>
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<dd><p><code>[ <var>token</var> ] <var>cli-command</var> <var>nl</var></code>, where
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<var>cli-command</var> is any existing <small>GDB</small> CLI command.
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</p>
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</dd>
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<dt><code><var>mi-command</var> →</code></dt>
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<dd><p><code>[ <var>token</var> ] "-" <var>operation</var> ( " " <var>option</var> )*
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<code>[</code> " --" <code>]</code> ( " " <var>parameter</var> )* <var>nl</var></code>
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</p>
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</dd>
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<dt><code><var>token</var> →</code></dt>
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<dd><p>"any sequence of digits"
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</p>
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</dd>
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<dt><code><var>option</var> →</code></dt>
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<dd><p><code>"-" <var>parameter</var> [ " " <var>parameter</var> ]</code>
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</p>
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</dd>
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<dt><code><var>parameter</var> →</code></dt>
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<dd><p><code><var>non-blank-sequence</var> | <var>c-string</var></code>
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</p>
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</dd>
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<dt><code><var>operation</var> →</code></dt>
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<dd><p><em>any of the operations described in this chapter</em>
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</p>
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</dd>
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<dt><code><var>non-blank-sequence</var> →</code></dt>
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<dd><p><em>anything, provided it doesn’t contain special characters such as
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"-", <var>nl</var>, """ and of course " "</em>
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</p>
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</dd>
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<dt><code><var>c-string</var> →</code></dt>
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<dd><p><code>""" <var>seven-bit-iso-c-string-content</var> """</code>
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</p>
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</dd>
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<dt><code><var>nl</var> →</code></dt>
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<dd><p><code>CR | CR-LF</code>
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</p></dd>
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</dl>
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<p>Notes:
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</p>
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<ul>
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<li> The CLI commands are still handled by the <small>MI</small> interpreter; their
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output is described below.
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</li><li> The <code><var>token</var></code>, when present, is passed back when the command
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finishes.
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</li><li> Some <small>MI</small> commands accept optional arguments as part of the parameter
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list. Each option is identified by a leading ‘<samp>-</samp>’ (dash) and may be
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followed by an optional argument parameter. Options occur first in the
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parameter list and can be delimited from normal parameters using
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‘<samp>--</samp>’ (this is useful when some parameters begin with a dash).
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</li></ul>
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<p>Pragmatics:
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</p>
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<ul>
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<li> We want easy access to the existing CLI syntax (for debugging).
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</li><li> We want it to be easy to spot a <small>MI</small> operation.
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</li></ul>
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</body>
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</html>
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