108 lines
4.4 KiB
HTML
108 lines
4.4 KiB
HTML
<HTML>
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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<!-- Created on March, 27 2008 by texi2html 1.64 -->
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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: Olaf Bachmann <obachman@mathematik.uni-kl.de>
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Send bugs and suggestions to <texi2html@mathematik.uni-kl.de>
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<HEAD>
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<TITLE>Debugging with GDB: Footnotes</TITLE>
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<META NAME="description" CONTENT="Debugging with GDB: Footnotes">
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<META NAME="keywords" CONTENT="Debugging with GDB: Footnotes">
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<BODY LANG="" BGCOLOR="#FFFFFF" TEXT="#000000" LINK="#0000FF" VLINK="#800080" ALINK="#FF0000">
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<A NAME="gdb_fot.html"></A>
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<TABLE CELLPADDING=1 CELLSPACING=1 BORDER=0>
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<TR><TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="gdb.html#SEC_Top">Top</A>]</TD>
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<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="gdb_toc.html#SEC_Contents">Contents</A>]</TD>
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<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="gdb_38.html#SEC764">Index</A>]</TD>
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<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="gdb_abt.html#SEC_About"> ? </A>]</TD>
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</TR></TABLE>
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<H1>Footnotes</H1>
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<H3><A NAME="FOOT1" HREF="gdb_3.html#DOCF1">(1)</A></H3>
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<P>On
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DOS/Windows systems, the home directory is the one pointed to by the
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<CODE>HOME</CODE> environment variable.
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<H3><A NAME="FOOT2" HREF="gdb_5.html#DOCF2">(2)</A></H3>
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<P>Currently, only
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GNU/Linux.
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<H3><A NAME="FOOT3" HREF="gdb_7.html#DOCF3">(3)</A></H3>
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<P>
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Note that embedded programs (the so-called "free-standing"
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environment) are not required to have a <CODE>main</CODE> function as the
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entry point. They could even have multiple entry points.
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<H3><A NAME="FOOT4" HREF="gdb_8.html#DOCF4">(4)</A></H3>
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<P>
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The only restriction is that your editor (say <CODE>ex</CODE>), recognizes the
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following command-line syntax:
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<TABLE><tr><td> </td><td class=smallexample><FONT SIZE=-1><pre>ex +<VAR>number</VAR> file
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</FONT></pre></td></tr></table>The optional numeric value +<VAR>number</VAR> specifies the number of the line in
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the file where to start editing.
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<H3><A NAME="FOOT5" HREF="gdb_9.html#DOCF5">(5)</A></H3>
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<P><SAMP>`b'</SAMP> cannot be used because these format letters are also
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used with the <CODE>x</CODE> command, where <SAMP>`b'</SAMP> stands for "byte";
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see <A HREF="gdb_9.html#SEC64">Examining Memory</A>.
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<H3><A NAME="FOOT6" HREF="gdb_9.html#DOCF6">(6)</A></H3>
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<P>This is a way of removing
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one word from the stack, on machines where stacks grow downward in
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memory (most machines, nowadays). This assumes that the innermost
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stack frame is selected; setting <CODE>$sp</CODE> is not allowed when other
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stack frames are selected. To pop entire frames off the stack,
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regardless of machine architecture, use <CODE>return</CODE>;
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see <A HREF="gdb_15.html#SEC151">Returning from a Function</A>.
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<H3><A NAME="FOOT7" HREF="gdb_18.html#DOCF7">(7)</A></H3>
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<P>If you choose a port number that
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conflicts with another service, <CODE>gdbserver</CODE> prints an error message
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and exits.
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<H3><A NAME="FOOT8" HREF="gdb_30.html#DOCF8">(8)</A></H3>
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<P>In
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<TT>`gdb-6.8/gdb/refcard.ps'</TT> of the version 6.8
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release.
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<H3><A NAME="FOOT9" HREF="gdb_33.html#DOCF9">(9)</A></H3>
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<P>The <SAMP>`qP'</SAMP> and <SAMP>`qL'</SAMP>
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packets predate these conventions, and have arguments without any terminator
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for the packet name; we suspect they are in widespread use in places that
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are difficult to upgrade. The <SAMP>`qC'</SAMP> packet has no arguments, but some
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existing stubs (e.g. RedBoot) are known to not check for the end of the
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packet.
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<HR SIZE=1>
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<BR>
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<FONT SIZE="-1">
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<address>
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<p>Please send FSF & GNU inquiries & questions to <a
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href="mailto:gnu@gnu.org">gnu@gnu.org</a>. There are also <a
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href="http://www.gnu.org/home.html#ContactInfo">other ways to
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contact</a> the FSF.</p>
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<p>These pages are maintained by <a
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href="http://www.gnu.org/software/gdb/">the GDB developers</a>.</p>
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<p>Copyright Free Software Foundation, Inc., 59 Temple Place - Suite
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330, Boston, MA 02111, USA.</p>
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<p>Verbatim copying and distribution of this entire article is
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permitted in any medium, provided this notice is preserved.</p>
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</address>
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This document was generated
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by <I>GDB Administrator</I> on <I>March, 27 2008</I>
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using <A HREF="http://www.mathematik.uni-kl.de/~obachman/Texi2html
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