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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 | 6ce4ebed87858ecdd79a1091367c6e961055daa9 (patch) | |
| tree | 1c2a6a60531acf791531bbd9c8ac14c23ef8a66c /share/doc/gdb/Process-Information.html | |
https://developer.arm.com/downloads/-/arm-gnu-toolchain-downloads
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diff --git a/share/doc/gdb/Process-Information.html b/share/doc/gdb/Process-Information.html new file mode 100644 index 0000000..6da9a1b --- /dev/null +++ b/share/doc/gdb/Process-Information.html @@ -0,0 +1,257 @@ +<!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: Process Information</title> + +<meta name="description" content="Debugging with GDB: Process Information"> +<meta name="keywords" content="Debugging with GDB: Process Information"> +<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="Native.html#Native" rel="up" title="Native"> +<link href="DJGPP-Native.html#DJGPP-Native" rel="next" title="DJGPP Native"> +<link href="BSD-libkvm-Interface.html#BSD-libkvm-Interface" rel="previous" title="BSD libkvm Interface"> +<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="Process-Information"></a> +<div class="header"> +<p> +Next: <a href="DJGPP-Native.html#DJGPP-Native" accesskey="n" rel="next">DJGPP Native</a>, Previous: <a href="BSD-libkvm-Interface.html#BSD-libkvm-Interface" accesskey="p" rel="previous">BSD libkvm Interface</a>, Up: <a href="Native.html#Native" accesskey="u" rel="up">Native</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="Process-Information-1"></a> +<h4 class="subsection">21.1.2 Process Information</h4> +<a name="index-_002fproc"></a> +<a name="index-examine-process-image"></a> +<a name="index-process-info-via-_002fproc"></a> + +<p>Some operating systems provide interfaces to fetch additional +information about running processes beyond memory and per-thread +register state. If <small>GDB</small> is configured for an operating system +with a supported interface, the command <code>info proc</code> is available +to report information about the process running your program, or about +any process running on your system. +</p> +<p>One supported interface is a facility called ‘<samp>/proc</samp>’ that can be +used to examine the image of a running process using file-system +subroutines. This facility is supported on <small>GNU</small>/Linux and Solaris +systems. +</p> +<p>On FreeBSD and NetBSD systems, system control nodes are used to query +process information. +</p> +<p>In addition, some systems may provide additional process information +in core files. Note that a core file may include a subset of the +information available from a live process. Process information is +currently available from cores created on <small>GNU</small>/Linux and FreeBSD +systems. +</p> +<dl compact="compact"> +<dd><a name="index-info-proc"></a> +<a name="index-process-ID"></a> +</dd> +<dt><code>info proc</code></dt> +<dt><code>info proc <var>process-id</var></code></dt> +<dd><p>Summarize available information about a process. If a +process ID is specified by <var>process-id</var>, display information about +that process; otherwise display information about the program being +debugged. The summary includes the debugged process ID, the command +line used to invoke it, its current working directory, and its +executable file’s absolute file name. +</p> +<p>On some systems, <var>process-id</var> can be of the form +‘<samp>[<var>pid</var>]/<var>tid</var></samp>’ which specifies a certain thread ID +within a process. If the optional <var>pid</var> part is missing, it means +a thread from the process being debugged (the leading ‘<samp>/</samp>’ still +needs to be present, or else <small>GDB</small> will interpret the number as +a process ID rather than a thread ID). +</p> +</dd> +<dt><code>info proc cmdline</code></dt> +<dd><a name="index-info-proc-cmdline"></a> +<p>Show the original command line of the process. This command is +supported on <small>GNU</small>/Linux, FreeBSD and NetBSD. +</p> +</dd> +<dt><code>info proc cwd</code></dt> +<dd><a name="index-info-proc-cwd"></a> +<p>Show the current working directory of the process. This command is +supported on <small>GNU</small>/Linux, FreeBSD and NetBSD. +</p> +</dd> +<dt><code>info proc exe</code></dt> +<dd><a name="index-info-proc-exe"></a> +<p>Show the name of executable of the process. This command is supported +on <small>GNU</small>/Linux, FreeBSD and NetBSD. +</p> +</dd> +<dt><code>info proc files</code></dt> +<dd><a name="index-info-proc-files"></a> +<p>Show the file descriptors open by the process. For each open file +descriptor, <small>GDB</small> shows its number, type (file, directory, +character device, socket), file pointer offset, and the name of the +resource open on the descriptor. The resource name can be a file name +(for files, directories, and devices) or a protocol followed by socket +address (for network connections). This command is supported on +FreeBSD. +</p> +<p>This example shows the open file descriptors for a process using a +tty for standard input and output as well as two network sockets: +</p> +<div class="smallexample"> +<pre class="smallexample">(gdb) info proc files 22136 +process 22136 +Open files: + + FD Type Offset Flags Name + text file - r-------- /usr/bin/ssh + ctty chr - rw------- /dev/pts/20 + cwd dir - r-------- /usr/home/john + root dir - r-------- / + 0 chr 0x32933a4 rw------- /dev/pts/20 + 1 chr 0x32933a4 rw------- /dev/pts/20 + 2 chr 0x32933a4 rw------- /dev/pts/20 + 3 socket 0x0 rw----n-- tcp4 10.0.1.2:53014 -> 10.0.1.10:22 + 4 socket 0x0 rw------- unix stream:/tmp/ssh-FIt89oAzOn5f/agent.2456 +</pre></div> + +</dd> +<dt><code>info proc mappings</code></dt> +<dd><a name="index-memory-address-space-mappings"></a> +<p>Report the memory address space ranges accessible in a process. On +Solaris, FreeBSD and NetBSD systems, each memory range includes information +on whether the process has read, write, or execute access rights to each +range. On <small>GNU</small>/Linux, FreeBSD and NetBSD systems, each memory range +includes the object file which is mapped to that range. +</p> +</dd> +<dt><code>info proc stat</code></dt> +<dt><code>info proc status</code></dt> +<dd><a name="index-process-detailed-status-information"></a> +<p>Show additional process-related information, including the user ID and +group ID; virtual memory usage; the signals that are pending, blocked, +and ignored; its TTY; its consumption of system and user time; its +stack size; its ‘<samp>nice</samp>’ value; etc. These commands are supported +on <small>GNU</small>/Linux, FreeBSD and NetBSD. +</p> +<p>For <small>GNU</small>/Linux systems, see the ‘<samp>proc</samp>’ man page for more +information (type <kbd>man 5 proc</kbd> from your shell prompt). +</p> +<p>For FreeBSD and NetBSD systems, <code>info proc stat</code> is an alias for +<code>info proc status</code>. +</p> +</dd> +<dt><code>info proc all</code></dt> +<dd><p>Show all the information about the process described under all of the +above <code>info proc</code> subcommands. +</p> + +</dd> +<dt><code>set procfs-trace</code></dt> +<dd><a name="index-set-procfs_002dtrace"></a> +<a name="index-procfs-API-calls"></a> +<p>This command enables and disables tracing of <code>procfs</code> API calls. +</p> +</dd> +<dt><code>show procfs-trace</code></dt> +<dd><a name="index-show-procfs_002dtrace"></a> +<p>Show the current state of <code>procfs</code> API call tracing. +</p> +</dd> +<dt><code>set procfs-file <var>file</var></code></dt> +<dd><a name="index-set-procfs_002dfile"></a> +<p>Tell <small>GDB</small> to write <code>procfs</code> API trace to the named +<var>file</var>. <small>GDB</small> appends the trace info to the previous +contents of the file. The default is to display the trace on the +standard output. +</p> +</dd> +<dt><code>show procfs-file</code></dt> +<dd><a name="index-show-procfs_002dfile"></a> +<p>Show the file to which <code>procfs</code> API trace is written. +</p> +</dd> +<dt><code>proc-trace-entry</code></dt> +<dt><code>proc-trace-exit</code></dt> +<dt><code>proc-untrace-entry</code></dt> +<dt><code>proc-untrace-exit</code></dt> +<dd><a name="index-proc_002dtrace_002dentry"></a> +<a name="index-proc_002dtrace_002dexit"></a> +<a name="index-proc_002duntrace_002dentry"></a> +<a name="index-proc_002duntrace_002dexit"></a> +<p>These commands enable and disable tracing of entries into and exits +from the <code>syscall</code> interface. +</p> +</dd> +<dt><code>info pidlist</code></dt> +<dd><a name="index-info-pidlist"></a> +<a name="index-process-list_002c-QNX-Neutrino"></a> +<p>For QNX Neutrino only, this command displays the list of all the +processes and all the threads within each process. +</p> +</dd> +<dt><code>info meminfo</code></dt> +<dd><a name="index-info-meminfo"></a> +<a name="index-mapinfo-list_002c-QNX-Neutrino"></a> +<p>For QNX Neutrino only, this command displays the list of all mapinfos. +</p></dd> +</dl> + +<hr> +<div class="header"> +<p> +Next: <a href="DJGPP-Native.html#DJGPP-Native" accesskey="n" rel="next">DJGPP Native</a>, Previous: <a href="BSD-libkvm-Interface.html#BSD-libkvm-Interface" accesskey="p" rel="previous">BSD libkvm Interface</a>, Up: <a href="Native.html#Native" accesskey="u" rel="up">Native</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> + + + +</body> +</html> |