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| author | alk3pInjection <webmaster@raspii.tech> | 2024-02-04 16:16:35 +0800 |
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| committer | alk3pInjection <webmaster@raspii.tech> | 2024-02-04 16:16:35 +0800 |
| commit | abdaadbcae30fe0c9a66c7516798279fdfd97750 (patch) | |
| tree | 00a54a6e25601e43876d03c1a4a12a749d4a914c /share/doc/gdb/Console-I_002fO.html | |
https://developer.arm.com/downloads/-/arm-gnu-toolchain-downloads
Change-Id: I7303388733328cd98ab9aa3c30236db67f2e9e9c
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| -rw-r--r-- | share/doc/gdb/Console-I_002fO.html | 105 |
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diff --git a/share/doc/gdb/Console-I_002fO.html b/share/doc/gdb/Console-I_002fO.html new file mode 100644 index 0000000..ba7d1ee --- /dev/null +++ b/share/doc/gdb/Console-I_002fO.html @@ -0,0 +1,105 @@ +<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> +<html> +<!-- Copyright (C) 1988-2023 Free Software Foundation, Inc. + +Permission is granted to copy, distribute and/or modify this document +under the terms of the GNU Free Documentation License, Version 1.3 or +any later version published by the Free Software Foundation; with the +Invariant Sections being "Free Software" and "Free Software Needs +Free Documentation", with the Front-Cover Texts being "A GNU Manual," +and with the Back-Cover Texts as in (a) below. + +(a) The FSF's Back-Cover Text is: "You are free to copy and modify +this GNU Manual. Buying copies from GNU Press supports the FSF in +developing GNU and promoting software freedom." --> +<!-- Created by GNU Texinfo 5.1, http://www.gnu.org/software/texinfo/ --> +<head> +<title>Debugging with GDB: Console I/O</title> + +<meta name="description" content="Debugging with GDB: Console I/O"> +<meta name="keywords" content="Debugging with GDB: Console I/O"> +<meta name="resource-type" content="document"> +<meta name="distribution" content="global"> +<meta name="Generator" content="makeinfo"> +<meta http-equiv="Content-Type" content="text/html; charset=utf-8"> +<link href="index.html#Top" rel="start" title="Top"> +<link href="Concept-Index.html#Concept-Index" rel="index" title="Concept Index"> +<link href="index.html#SEC_Contents" rel="contents" title="Table of Contents"> +<link href="File_002dI_002fO-Remote-Protocol-Extension.html#File_002dI_002fO-Remote-Protocol-Extension" rel="up" title="File-I/O Remote Protocol Extension"> +<link href="List-of-Supported-Calls.html#List-of-Supported-Calls" rel="next" title="List of Supported Calls"> +<link href="The-Ctrl_002dC-Message.html#The-Ctrl_002dC-Message" rel="previous" title="The Ctrl-C Message"> +<style type="text/css"> +<!-- +a.summary-letter {text-decoration: none} +blockquote.smallquotation {font-size: smaller} +div.display {margin-left: 3.2em} +div.example {margin-left: 3.2em} +div.indentedblock {margin-left: 3.2em} +div.lisp {margin-left: 3.2em} +div.smalldisplay {margin-left: 3.2em} +div.smallexample {margin-left: 3.2em} +div.smallindentedblock {margin-left: 3.2em; font-size: smaller} +div.smalllisp {margin-left: 3.2em} +kbd {font-style:oblique} +pre.display {font-family: inherit} +pre.format {font-family: inherit} +pre.menu-comment {font-family: serif} +pre.menu-preformatted {font-family: serif} +pre.smalldisplay {font-family: inherit; font-size: smaller} +pre.smallexample {font-size: smaller} +pre.smallformat {font-family: inherit; font-size: smaller} +pre.smalllisp {font-size: smaller} +span.nocodebreak {white-space:nowrap} +span.nolinebreak {white-space:nowrap} +span.roman {font-family:serif; font-weight:normal} +span.sansserif {font-family:sans-serif; font-weight:normal} +ul.no-bullet {list-style: none} +--> +</style> + + +</head> + +<body lang="en" bgcolor="#FFFFFF" text="#000000" link="#0000FF" vlink="#800080" alink="#FF0000"> +<a name="Console-I_002fO"></a> +<div class="header"> +<p> +Next: <a href="List-of-Supported-Calls.html#List-of-Supported-Calls" accesskey="n" rel="next">List of Supported Calls</a>, Previous: <a href="The-Ctrl_002dC-Message.html#The-Ctrl_002dC-Message" accesskey="p" rel="previous">The Ctrl-C Message</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> +</div> +<hr> +<a name="Console-I_002fO-1"></a> +<h4 class="subsection">E.13.6 Console I/O</h4> +<a name="index-console-i_002fo-as-part-of-file_002di_002fo"></a> + +<p>By default and if not explicitly closed by the target system, the file +descriptors 0, 1 and 2 are connected to the <small>GDB</small> console. Output +on the <small>GDB</small> console is handled as any other file output operation +(<code>write(1, …)</code> or <code>write(2, …)</code>). Console input is handled +by <small>GDB</small> so that after the target read request from file descriptor +0 all following typing is buffered until either one of the following +conditions is met: +</p> +<ul> +<li> The user types <kbd>Ctrl-c</kbd>. The behaviour is as explained above, and the +<code>read</code> +system call is treated as finished. + +</li><li> The user presses <tt class="key">RET</tt>. This is treated as end of input with a trailing +newline. + +</li><li> The user types <kbd>Ctrl-d</kbd>. This is treated as end of input. No trailing +character (neither newline nor ‘<samp>Ctrl-D</samp>’) is appended to the input. + +</li></ul> + +<p>If the user has typed more characters than fit in the buffer given to +the <code>read</code> call, the trailing characters are buffered in <small>GDB</small> until +either another <code>read(0, …)</code> is requested by the target, or debugging +is stopped at the user’s request. +</p> + + + + +</body> +</html> |