arduino-0018-windows
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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html401/loose.dtd">
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<!-- Created on November, 7 2008 by texi2html 1.78 -->
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<!--
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Written by: Lionel Cons <Lionel.Cons@cern.ch> (original author)
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Karl Berry <karl@freefriends.org>
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Olaf Bachmann <obachman@mathematik.uni-kl.de>
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and many others.
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Maintained by: Many creative people.
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Send bugs and suggestions to <texi2html-bug@nongnu.org>
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<head>
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<title>Simulavr: 3.1 GDB Hints</title>
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<meta name="description" content="Simulavr: 3.1 GDB Hints">
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<body lang="en" bgcolor="#FFFFFF" text="#000000" link="#0000FF" vlink="#800080" alink="#FF0000">
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<a name="GDB-Hints"></a>
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<a name="SEC6"></a>
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<table cellpadding="1" cellspacing="1" border="0">
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<tr><td valign="middle" align="left">[<a href="simulavr_5.html#SEC5" title="Previous section in reading order"> < </a>]</td>
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<td valign="middle" align="left">[<a href="simulavr_7.html#SEC7" title="Next section in reading order"> > </a>]</td>
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<td valign="middle" align="left"> </td>
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<td valign="middle" align="left">[<a href="simulavr_5.html#SEC5" title="Beginning of this chapter or previous chapter"> << </a>]</td>
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<td valign="middle" align="left">[<a href="simulavr_5.html#SEC5" title="Up section"> Up </a>]</td>
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<td valign="middle" align="left"> </td>
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<td valign="middle" align="left"> </td>
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<td valign="middle" align="left"> </td>
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<td valign="middle" align="left"> </td>
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<td valign="middle" align="left">[<a href="simulavr.html#Top" title="Cover (top) of document">Top</a>]</td>
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<td valign="middle" align="left">[<a href="simulavr_toc.html#SEC_Contents" title="Table of contents">Contents</a>]</td>
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<td valign="middle" align="left">[<a href="simulavr_11.html#SEC11" title="Index">Index</a>]</td>
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<td valign="middle" align="left">[<a href="simulavr_abt.html#SEC_About" title="About (help)"> ? </a>]</td>
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</tr></table>
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<h2 class="section"> 3.1 GDB Hints </h2>
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<p>Since debugging an AVR program with gdb requires gdb to connect to a
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remote target (either simulavr or some other debugging tool, such as
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avarice), a series of commands must be issued every time gdb is started.
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The easiest way around this is to put the commands into a
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‘<tt>.gdbinit</tt>’ file in the project directory. The following example is
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from a ‘<tt>.gdbinit</tt>’ which I use for many projects.
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</p>
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<table><tr><td> </td><td><table class="cartouche" border="1"><tr><td>
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<pre class="example">
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## Print out structures in a sane way
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echo (gdb) set print pretty
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set print pretty
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## Use this for debugging the remote protocol. (Don't use unless
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## debugging simulavr or avr-gdb)
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#echo (gdb) set debug remote 1\n
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#set debug remote 1
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## If you don't want specify the program to debug when invoking gdb,
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## you can tell gdb to read it in here. The file should be an elf file
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## compiled with debugging information (-g for C files and -gstabs for
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## asm files).
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#echo (gdb) file myprog.elf\n
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#file myprog.elf
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## Connect to the remote target via a TCP socket on host:port.
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echo (gdb) target remote localhost:1212\n
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target remote localhost:1212
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## If you are using simulavr as the remote target, this will upload
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## the program into flash memory for you.
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echo (gdb) load\n
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load
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## Set a break point at the beginning of main().
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echo (gdb) break main\n
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break main
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## Run the program up to the first break point. Gdb's `run` command
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## does not work when using a remote target, must use continue.
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echo (gdb) continue\n
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continue
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</pre></td></tr></table>
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</td></tr></table>
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<p>As you can see, I <code>echo</code> every command so I can see what gdb has
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done when it runs the commands in the ‘<tt>.gdbinit</tt>’ file.
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</p>
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<hr size="6">
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<table cellpadding="1" cellspacing="1" border="0">
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<tr><td valign="middle" align="left">[<a href="simulavr_5.html#SEC5" title="Previous section in reading order"> < </a>]</td>
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<td valign="middle" align="left">[<a href="simulavr_7.html#SEC7" title="Next section in reading order"> > </a>]</td>
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<td valign="middle" align="left"> </td>
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<td valign="middle" align="left">[<a href="simulavr_5.html#SEC5" title="Beginning of this chapter or previous chapter"> << </a>]</td>
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<td valign="middle" align="left">[<a href="simulavr_5.html#SEC5" title="Up section"> Up </a>]</td>
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<td valign="middle" align="left">[<a href="simulavr_8.html#SEC8" title="Next chapter"> >> </a>]</td>
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</tr></table>
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<p>
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<font size="-1">
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This document was generated by <em>eweddington</em> on <em>November, 7 2008</em> using <a href="http://www.nongnu.org/texi2html/"><em>texi2html 1.78</em></a>.
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<br>
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