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diff --git a/share/doc/gdb/ARM-Features.html b/share/doc/gdb/ARM-Features.html new file mode 100644 index 0000000..36c43d3 --- /dev/null +++ b/share/doc/gdb/ARM-Features.html @@ -0,0 +1,131 @@ +<!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: ARM Features</title> + +<meta name="description" content="Debugging with GDB: ARM Features"> +<meta name="keywords" content="Debugging with GDB: ARM Features"> +<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="Standard-Target-Features.html#Standard-Target-Features" rel="up" title="Standard Target Features"> +<link href="i386-Features.html#i386-Features" rel="next" title="i386 Features"> +<link href="ARC-Features.html#ARC-Features" rel="previous" title="ARC Features"> +<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="ARM-Features"></a> +<div class="header"> +<p> +Next: <a href="i386-Features.html#i386-Features" accesskey="n" rel="next">i386 Features</a>, Previous: <a href="ARC-Features.html#ARC-Features" accesskey="p" rel="previous">ARC Features</a>, Up: <a href="Standard-Target-Features.html#Standard-Target-Features" accesskey="u" rel="up">Standard Target Features</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="ARM-Features-1"></a> +<h4 class="subsection">G.5.3 ARM Features</h4> +<a name="index-target-descriptions_002c-ARM-features"></a> + +<p>The ‘<samp>org.gnu.gdb.arm.core</samp>’ feature is required for non-M-profile +ARM targets. +It should contain registers ‘<samp>r0</samp>’ through ‘<samp>r13</samp>’, ‘<samp>sp</samp>’, +‘<samp>lr</samp>’, ‘<samp>pc</samp>’, and ‘<samp>cpsr</samp>’. +</p> +<p>For M-profile targets (e.g. Cortex-M3), the ‘<samp>org.gnu.gdb.arm.core</samp>’ +feature is replaced by ‘<samp>org.gnu.gdb.arm.m-profile</samp>’. It should contain +registers ‘<samp>r0</samp>’ through ‘<samp>r13</samp>’, ‘<samp>sp</samp>’, ‘<samp>lr</samp>’, ‘<samp>pc</samp>’, +and ‘<samp>xpsr</samp>’. +</p> +<p>The ‘<samp>org.gnu.gdb.arm.fpa</samp>’ feature is optional. If present, it +should contain registers ‘<samp>f0</samp>’ through ‘<samp>f7</samp>’ and ‘<samp>fps</samp>’. +</p> +<p>The ‘<samp>org.gnu.gdb.arm.m-profile-mve</samp>’ feature is optional. If present, it +must contain register ‘<samp>vpr</samp>’. +</p> +<p>If the ‘<samp>org.gnu.gdb.arm.m-profile-mve</samp>’ feature is available, <small>GDB</small> +will synthesize the ‘<samp>p0</samp>’ pseudo register from ‘<samp>vpr</samp>’ contents. +</p> +<p>If the ‘<samp>org.gnu.gdb.arm.vfp</samp>’ feature is available alongside the +‘<samp>org.gnu.gdb.arm.m-profile-mve</samp>’ feature, <small>GDB</small> will +synthesize the ‘<samp>q</samp>’ pseudo registers from ‘<samp>d</samp>’ register +contents. +</p> +<p>The ‘<samp>org.gnu.gdb.xscale.iwmmxt</samp>’ feature is optional. If present, +it should contain at least registers ‘<samp>wR0</samp>’ through ‘<samp>wR15</samp>’ and +‘<samp>wCGR0</samp>’ through ‘<samp>wCGR3</samp>’. The ‘<samp>wCID</samp>’, ‘<samp>wCon</samp>’, +‘<samp>wCSSF</samp>’, and ‘<samp>wCASF</samp>’ registers are optional. +</p> +<p>The ‘<samp>org.gnu.gdb.arm.vfp</samp>’ feature is optional. If present, it +should contain at least registers ‘<samp>d0</samp>’ through ‘<samp>d15</samp>’. If +they are present, ‘<samp>d16</samp>’ through ‘<samp>d31</samp>’ should also be included. +<small>GDB</small> will synthesize the single-precision registers from +halves of the double-precision registers. +</p> +<p>The ‘<samp>org.gnu.gdb.arm.neon</samp>’ feature is optional. It does not +need to contain registers; it instructs <small>GDB</small> to display the +VFP double-precision registers as vectors and to synthesize the +quad-precision registers from pairs of double-precision registers. +If this feature is present, ‘<samp>org.gnu.gdb.arm.vfp</samp>’ must also +be present and include 32 double-precision registers. +</p> +<p>The ‘<samp>org.gnu.gdb.arm.m-profile-pacbti</samp>’ feature is optional, and +acknowledges support for the ARMv8.1-m PACBTI extensions. <small>GDB</small> +will track return address signing states and will decorate backtraces using +the [PAC] marker, similar to AArch64’s PAC extension. +See <a href="AArch64.html#AArch64-PAC">AArch64 PAC</a>. +</p> +<hr> +<div class="header"> +<p> +Next: <a href="i386-Features.html#i386-Features" accesskey="n" rel="next">i386 Features</a>, Previous: <a href="ARC-Features.html#ARC-Features" accesskey="p" rel="previous">ARC Features</a>, Up: <a href="Standard-Target-Features.html#Standard-Target-Features" accesskey="u" rel="up">Standard Target Features</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> |