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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/Debug-Session.html | |
https://developer.arm.com/downloads/-/arm-gnu-toolchain-downloads
Change-Id: I7303388733328cd98ab9aa3c30236db67f2e9e9c
Diffstat (limited to 'share/doc/gdb/Debug-Session.html')
| -rw-r--r-- | share/doc/gdb/Debug-Session.html | 137 |
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diff --git a/share/doc/gdb/Debug-Session.html b/share/doc/gdb/Debug-Session.html new file mode 100644 index 0000000..5671d0f --- /dev/null +++ b/share/doc/gdb/Debug-Session.html @@ -0,0 +1,137 @@ +<!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: Debug Session</title> + +<meta name="description" content="Debugging with GDB: Debug Session"> +<meta name="keywords" content="Debugging with GDB: Debug Session"> +<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-Stub.html#Remote-Stub" rel="up" title="Remote Stub"> +<link href="Configurations.html#Configurations" rel="next" title="Configurations"> +<link href="Bootstrapping.html#Bootstrapping" rel="previous" title="Bootstrapping"> +<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="Debug-Session"></a> +<div class="header"> +<p> +Previous: <a href="Bootstrapping.html#Bootstrapping" accesskey="p" rel="previous">Bootstrapping</a>, Up: <a href="Remote-Stub.html#Remote-Stub" accesskey="u" rel="up">Remote Stub</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="Putting-it-All-Together"></a> +<h4 class="subsection">20.5.3 Putting it All Together</h4> + +<a name="index-remote-serial-debugging-summary"></a> +<p>In summary, when your program is ready to debug, you must follow these +steps. +</p> +<ol> +<li> Make sure you have defined the supporting low-level routines +(see <a href="Bootstrapping.html#Bootstrapping">What You Must Do for the Stub</a>): +<div class="display"> +<pre class="display"><code>getDebugChar</code>, <code>putDebugChar</code>, +<code>flush_i_cache</code>, <code>memset</code>, <code>exceptionHandler</code>. +</pre></div> + +</li><li> Insert these lines in your program’s startup code, before the main +procedure is called: + +<div class="smallexample"> +<pre class="smallexample">set_debug_traps(); +breakpoint(); +</pre></div> + +<p>On some machines, when a breakpoint trap is raised, the hardware +automatically makes the PC point to the instruction after the +breakpoint. If your machine doesn’t do that, you may need to adjust +<code>handle_exception</code> to arrange for it to return to the instruction +after the breakpoint on this first invocation, so that your program +doesn’t keep hitting the initial breakpoint instead of making +progress. +</p> +</li><li> For the 680x0 stub only, you need to provide a variable called +<code>exceptionHook</code>. Normally you just use: + +<div class="smallexample"> +<pre class="smallexample">void (*exceptionHook)() = 0; +</pre></div> + +<p>but if before calling <code>set_debug_traps</code>, you set it to point to a +function in your program, that function is called when +<code><small>GDB</small></code> continues after stopping on a trap (for example, bus +error). The function indicated by <code>exceptionHook</code> is called with +one parameter: an <code>int</code> which is the exception number. +</p> +</li><li> Compile and link together: your program, the <small>GDB</small> debugging stub for +your target architecture, and the supporting subroutines. + +</li><li> Make sure you have a serial connection between your target machine and +the <small>GDB</small> host, and identify the serial port on the host. + +</li><li> Download your program to your target machine (or get it there by +whatever means the manufacturer provides), and start it. + +</li><li> Start <small>GDB</small> on the host, and connect to the target +(see <a href="Connecting.html#Connecting">Connecting to a Remote Target</a>). + +</li></ol> + +<hr> +<div class="header"> +<p> +Previous: <a href="Bootstrapping.html#Bootstrapping" accesskey="p" rel="previous">Bootstrapping</a>, Up: <a href="Remote-Stub.html#Remote-Stub" accesskey="u" rel="up">Remote Stub</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> |