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diff --git a/share/doc/gdb/PowerPC.html b/share/doc/gdb/PowerPC.html new file mode 100644 index 0000000..3732a74 --- /dev/null +++ b/share/doc/gdb/PowerPC.html @@ -0,0 +1,91 @@ +<!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: PowerPC</title> + +<meta name="description" content="Debugging with GDB: PowerPC"> +<meta name="keywords" content="Debugging with GDB: PowerPC"> +<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="Architectures.html#Architectures" rel="up" title="Architectures"> +<link href="Nios-II.html#Nios-II" rel="next" title="Nios II"> +<link href="HPPA.html#HPPA" rel="previous" title="HPPA"> +<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="PowerPC"></a> +<div class="header"> +<p> +Next: <a href="Nios-II.html#Nios-II" accesskey="n" rel="next">Nios II</a>, Previous: <a href="HPPA.html#HPPA" accesskey="p" rel="previous">HPPA</a>, Up: <a href="Architectures.html#Architectures" accesskey="u" rel="up">Architectures</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="PowerPC-1"></a> +<h4 class="subsection">21.4.6 PowerPC</h4> +<a name="index-PowerPC-architecture"></a> + +<p>When <small>GDB</small> is debugging the PowerPC architecture, it provides a set of +pseudo-registers to enable inspection of 128-bit wide Decimal Floating Point +numbers stored in the floating point registers. These values must be stored +in two consecutive registers, always starting at an even register like +<code>f0</code> or <code>f2</code>. +</p> +<p>The pseudo-registers go from <code>$dl0</code> through <code>$dl15</code>, and are formed +by joining the even/odd register pairs <code>f0</code> and <code>f1</code> for <code>$dl0</code>, +<code>f2</code> and <code>f3</code> for <code>$dl1</code> and so on. +</p> +<p>For POWER7 processors, <small>GDB</small> provides a set of pseudo-registers, the 64-bit +wide Extended Floating Point Registers (‘<samp>f32</samp>’ through ‘<samp>f63</samp>’). +</p> + + + +</body> +</html> |