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<TITLE>Debugging with GDB: Footnotes</TITLE>
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<H1>Footnotes</H1>
<H3><A NAME="FOOT1" HREF="gdb_3.html#DOCF1">(1)</A></H3>
<P>GDB built with DJGPP tools for
MS-DOS/MS-Windows supports this mode of operation, but the event loop is
suspended when the debuggee runs.
<H3><A NAME="FOOT2" HREF="gdb_8.html#DOCF2">(2)</A></H3>
<P>
The only restriction is that your editor (say <CODE>ex</CODE>), recognizes the
following command-line syntax:
<TABLE><tr><td>&nbsp;</td><td class=smallexample><FONT SIZE=-1><pre>ex +<VAR>number</VAR> file
</FONT></pre></td></tr></table>The optional numeric value +<VAR>number</VAR> designates the active line in
the file.
<H3><A NAME="FOOT3" HREF="gdb_9.html#DOCF3">(3)</A></H3>
<P><SAMP>`b'</SAMP> cannot be used because these format letters are also
used with the <CODE>x</CODE> command, where <SAMP>`b'</SAMP> stands for "byte";
see <A HREF="gdb_9.html#SEC58">Examining memory</A>.
<H3><A NAME="FOOT4" HREF="gdb_9.html#DOCF4">(4)</A></H3>
<P>This is a way of removing
one word from the stack, on machines where stacks grow downward in
memory (most machines, nowadays). This assumes that the innermost
stack frame is selected; setting <CODE>$sp</CODE> is not allowed when other
stack frames are selected. To pop entire frames off the stack,
regardless of machine architecture, use <CODE>return</CODE>;
see <A HREF="gdb_15.html#SEC124">Returning from a function</A>.
<H3><A NAME="FOOT5" HREF="gdb_18.html#DOCF5">(5)</A></H3>
<P>If you choose a port number that
conflicts with another service, <CODE>gdbserver</CODE> prints an error message
and exits.
<H3><A NAME="FOOT6" HREF="gdb_21.html#DOCF6">(6)</A></H3>
<P>The DJGPP
port of GDB uses the name <TT>`gdb.ini'</TT> instead, due to the
limitations of file names imposed by DOS filesystems.
<H3><A NAME="FOOT7" HREF="gdb_21.html#DOCF7">(7)</A></H3>
<P>On
DOS/Windows systems, the home directory is the one pointed to by the
<CODE>HOME</CODE> environment variable.
<H3><A NAME="FOOT8" HREF="gdb_29.html#DOCF8">(8)</A></H3>
<P>In
<TT>`gdb-20021125/gdb/refcard.ps'</TT> of the version 20021125
release.
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