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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/Branch-Trace-Configuration-Format.html | |
https://developer.arm.com/downloads/-/arm-gnu-toolchain-downloads
Change-Id: I7303388733328cd98ab9aa3c30236db67f2e9e9c
Diffstat (limited to 'share/doc/gdb/Branch-Trace-Configuration-Format.html')
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diff --git a/share/doc/gdb/Branch-Trace-Configuration-Format.html b/share/doc/gdb/Branch-Trace-Configuration-Format.html new file mode 100644 index 0000000..907bb87 --- /dev/null +++ b/share/doc/gdb/Branch-Trace-Configuration-Format.html @@ -0,0 +1,123 @@ +<!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: Branch Trace Configuration Format</title> + +<meta name="description" content="Debugging with GDB: Branch Trace Configuration Format"> +<meta name="keywords" content="Debugging with GDB: Branch Trace Configuration Format"> +<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="Remote-Protocol.html#Remote-Protocol" rel="up" title="Remote Protocol"> +<link href="Agent-Expressions.html#Agent-Expressions" rel="next" title="Agent Expressions"> +<link href="Branch-Trace-Format.html#Branch-Trace-Format" rel="previous" title="Branch Trace Format"> +<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="Branch-Trace-Configuration-Format"></a> +<div class="header"> +<p> +Previous: <a href="Branch-Trace-Format.html#Branch-Trace-Format" accesskey="p" rel="previous">Branch Trace Format</a>, Up: <a href="Remote-Protocol.html#Remote-Protocol" accesskey="u" rel="up">Remote Protocol</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="Branch-Trace-Configuration-Format-1"></a> +<h3 class="section">E.20 Branch Trace Configuration Format</h3> +<a name="index-branch-trace-configuration-format"></a> + +<p>For each inferior thread, <small>GDB</small> can obtain the branch trace +configuration using the ‘<samp>qXfer:btrace-conf:read</samp>’ +(see <a href="General-Query-Packets.html#qXfer-btrace_002dconf-read">qXfer btrace-conf read</a>) packet. +</p> +<p>The configuration describes the branch trace format and configuration +settings for that format. The following information is described: +</p> +<dl compact="compact"> +<dt><code>bts</code></dt> +<dd><p>This thread uses the <em>Branch Trace Store</em> (<acronym>BTS</acronym>) format. +</p><dl compact="compact"> +<dt><code>size</code></dt> +<dd><p>The size of the <acronym>BTS</acronym> ring buffer in bytes. +</p></dd> +</dl> +</dd> +<dt><code>pt</code></dt> +<dd><p>This thread uses the <em>Intel Processor Trace</em> (<acronym>Intel +PT</acronym>) format. +</p><dl compact="compact"> +<dt><code>size</code></dt> +<dd><p>The size of the <acronym>Intel PT</acronym> ring buffer in bytes. +</p></dd> +</dl> +</dd> +</dl> + +<p><small>GDB</small> must be linked with the Expat library to support XML +branch trace configuration discovery. See <a href="Requirements.html#Expat">Expat</a>. +</p> +<p>The formal DTD for the branch trace configuration format is given below: +</p> +<div class="smallexample"> +<pre class="smallexample"><!ELEMENT btrace-conf (bts?, pt?)> +<!ATTLIST btrace-conf version CDATA #FIXED "1.0"> + +<!ELEMENT bts EMPTY> +<!ATTLIST bts size CDATA #IMPLIED> + +<!ELEMENT pt EMPTY> +<!ATTLIST pt size CDATA #IMPLIED> +</pre></div> + + + + + + +</body> +</html> |