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diff --git a/share/doc/gdb/ARM.html b/share/doc/gdb/ARM.html new file mode 100644 index 0000000..5873ba0 --- /dev/null +++ b/share/doc/gdb/ARM.html @@ -0,0 +1,209 @@ +<!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</title> + +<meta name="description" content="Debugging with GDB: ARM"> +<meta name="keywords" content="Debugging with GDB: ARM"> +<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="Embedded-Processors.html#Embedded-Processors" rel="up" title="Embedded Processors"> +<link href="BPF.html#BPF" rel="next" title="BPF"> +<link href="ARC.html#ARC" rel="previous" title="ARC"> +<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"></a> +<div class="header"> +<p> +Next: <a href="BPF.html#BPF" accesskey="n" rel="next">BPF</a>, Previous: <a href="ARC.html#ARC" accesskey="p" rel="previous">ARC</a>, Up: <a href="Embedded-Processors.html#Embedded-Processors" accesskey="u" rel="up">Embedded Processors</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-1"></a> +<h4 class="subsection">21.3.2 ARM</h4> + +<p><small>GDB</small> provides the following ARM-specific commands: +</p> +<dl compact="compact"> +<dt><code>set arm disassembler</code></dt> +<dd><a name="index-set-arm"></a> +<p>This commands selects from a list of disassembly styles. The +<code>"std"</code> style is the standard style. +</p> +</dd> +<dt><code>show arm disassembler</code></dt> +<dd><a name="index-show-arm"></a> +<p>Show the current disassembly style. +</p> +</dd> +<dt><code>set arm apcs32</code></dt> +<dd><a name="index-ARM-32_002dbit-mode"></a> +<p>This command toggles ARM operation mode between 32-bit and 26-bit. +</p> +</dd> +<dt><code>show arm apcs32</code></dt> +<dd><p>Display the current usage of the ARM 32-bit mode. +</p> +</dd> +<dt><code>set arm fpu <var>fputype</var></code></dt> +<dd><p>This command sets the ARM floating-point unit (FPU) type. The +argument <var>fputype</var> can be one of these: +</p> +<dl compact="compact"> +<dt><code>auto</code></dt> +<dd><p>Determine the FPU type by querying the OS ABI. +</p></dd> +<dt><code>softfpa</code></dt> +<dd><p>Software FPU, with mixed-endian doubles on little-endian ARM +processors. +</p></dd> +<dt><code>fpa</code></dt> +<dd><p>GCC-compiled FPA co-processor. +</p></dd> +<dt><code>softvfp</code></dt> +<dd><p>Software FPU with pure-endian doubles. +</p></dd> +<dt><code>vfp</code></dt> +<dd><p>VFP co-processor. +</p></dd> +</dl> + +</dd> +<dt><code>show arm fpu</code></dt> +<dd><p>Show the current type of the FPU. +</p> +</dd> +<dt><code>set arm abi</code></dt> +<dd><p>This command forces <small>GDB</small> to use the specified ABI. +</p> +</dd> +<dt><code>show arm abi</code></dt> +<dd><p>Show the currently used ABI. +</p> +</dd> +<dt><code>set arm fallback-mode (arm|thumb|auto)</code></dt> +<dd><p><small>GDB</small> uses the symbol table, when available, to determine +whether instructions are ARM or Thumb. This command controls +<small>GDB</small>’s default behavior when the symbol table is not +available. The default is ‘<samp>auto</samp>’, which causes <small>GDB</small> to +use the current execution mode (from the <code>T</code> bit in the <code>CPSR</code> +register). +</p> +</dd> +<dt><code>show arm fallback-mode</code></dt> +<dd><p>Show the current fallback instruction mode. +</p> +</dd> +<dt><code>set arm force-mode (arm|thumb|auto)</code></dt> +<dd><p>This command overrides use of the symbol table to determine whether +instructions are ARM or Thumb. The default is ‘<samp>auto</samp>’, which +causes <small>GDB</small> to use the symbol table and then the setting +of ‘<samp>set arm fallback-mode</samp>’. +</p> +</dd> +<dt><code>show arm force-mode</code></dt> +<dd><p>Show the current forced instruction mode. +</p> +</dd> +<dt><code>set arm unwind-secure-frames</code></dt> +<dd><p>This command enables unwinding from Non-secure to Secure mode on +Cortex-M with Security extension. +This can trigger security exceptions when unwinding the exception +stack. +It is enabled by default. +</p> +</dd> +<dt><code>show arm unwind-secure-frames</code></dt> +<dd><p>Show whether unwinding from Non-secure to Secure mode is enabled. +</p> +</dd> +<dt><code>set debug arm</code></dt> +<dd><p>Toggle whether to display ARM-specific debugging messages from the ARM +target support subsystem. +</p> +</dd> +<dt><code>show debug arm</code></dt> +<dd><p>Show whether ARM-specific debugging messages are enabled. +</p></dd> +</dl> + +<dl compact="compact"> +<dt><code>target sim <span class="roman">[</span><var>simargs</var><span class="roman">]</span> …</code></dt> +<dd><p>The <small>GDB</small> ARM simulator accepts the following optional arguments. +</p> +<dl compact="compact"> +<dt><code>--swi-support=<var>type</var></code></dt> +<dd><p>Tell the simulator which SWI interfaces to support. The argument +<var>type</var> may be a comma separated list of the following values. +The default value is <code>all</code>. +</p> +<dl compact="compact"> +<dt><code>none</code></dt> +<dt><code>demon</code></dt> +<dt><code>angel</code></dt> +<dt><code>redboot</code></dt> +<dt><code>all</code></dt> +</dl> +</dd> +</dl> +</dd> +</dl> + +<hr> +<div class="header"> +<p> +Next: <a href="BPF.html#BPF" accesskey="n" rel="next">BPF</a>, Previous: <a href="ARC.html#ARC" accesskey="p" rel="previous">ARC</a>, Up: <a href="Embedded-Processors.html#Embedded-Processors" accesskey="u" rel="up">Embedded Processors</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> |