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<TITLE>Debugging with GDB: Debugging with GDB</TITLE>
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<H1>Debugging with GDB</H1></P><P>
This file describes GDB, the GNU symbolic debugger.
</P><P>
This is the Ninth Edition, June 2002, for GDB Version
20021125.
</P><P>
Copyright (C) 1988-2002 Free Software Foundation, Inc.
</P><P>
<BLOCKQUOTE><TABLE BORDER=0 CELLSPACING=0>
<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="gdb_1.html#SEC1">Summary of GDB</A></TD><TD>&nbsp;&nbsp;</TD><TD ALIGN="left" VALIGN="TOP"></TD></TR>
<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="gdb_2.html#SEC5">1. A Sample GDB Session</A></TD><TD>&nbsp;&nbsp;</TD><TD ALIGN="left" VALIGN="TOP">A sample GDB session</TD></TR>
</TABLE>
<br>
<TABLE BORDER=0 CELLSPACING=0>
<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="gdb_3.html#SEC6">2. Getting In and Out of GDB</A></TD><TD>&nbsp;&nbsp;</TD><TD ALIGN="left" VALIGN="TOP">Getting in and out of GDB</TD></TR>
<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="gdb_4.html#SEC12">3. GDB Commands</A></TD><TD>&nbsp;&nbsp;</TD><TD ALIGN="left" VALIGN="TOP">GDB commands</TD></TR>
<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="gdb_5.html#SEC16">4. Running Programs Under GDB</A></TD><TD>&nbsp;&nbsp;</TD><TD ALIGN="left" VALIGN="TOP">Running programs under GDB</TD></TR>
<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="gdb_6.html#SEC27">5. Stopping and Continuing</A></TD><TD>&nbsp;&nbsp;</TD><TD ALIGN="left" VALIGN="TOP">Stopping and continuing</TD></TR>
<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="gdb_7.html#SEC41">6. Examining the Stack</A></TD><TD>&nbsp;&nbsp;</TD><TD ALIGN="left" VALIGN="TOP">Examining the stack</TD></TR>
<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="gdb_8.html#SEC46">7. Examining Source Files</A></TD><TD>&nbsp;&nbsp;</TD><TD ALIGN="left" VALIGN="TOP">Examining source files</TD></TR>
<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="gdb_9.html#SEC53">8. Examining Data</A></TD><TD>&nbsp;&nbsp;</TD><TD ALIGN="left" VALIGN="TOP">Examining data</TD></TR>
<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="gdb_10.html#SEC73">9. C Preprocessor Macros</A></TD><TD>&nbsp;&nbsp;</TD><TD ALIGN="left" VALIGN="TOP">Preprocessor Macros</TD></TR>
<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="gdb_11.html#SEC74">10. Tracepoints</A></TD><TD>&nbsp;&nbsp;</TD><TD ALIGN="left" VALIGN="TOP">Debugging remote targets non-intrusively</TD></TR>
<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="gdb_12.html#SEC87">11. Debugging Programs That Use Overlays</A></TD><TD>&nbsp;&nbsp;</TD><TD ALIGN="left" VALIGN="TOP">Debugging programs that use overlays</TD></TR>
</TABLE>
<br>
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<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="gdb_13.html#SEC92">12. Using GDB with Different Languages</A></TD><TD>&nbsp;&nbsp;</TD><TD ALIGN="left" VALIGN="TOP">Using GDB with different languages</TD></TR>
</TABLE>
<br>
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<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="gdb_14.html#SEC119">13. Examining the Symbol Table</A></TD><TD>&nbsp;&nbsp;</TD><TD ALIGN="left" VALIGN="TOP">Examining the symbol table</TD></TR>
<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="gdb_15.html#SEC120">14. Altering Execution</A></TD><TD>&nbsp;&nbsp;</TD><TD ALIGN="left" VALIGN="TOP">Altering execution</TD></TR>
<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="gdb_16.html#SEC127">15. GDB Files</A></TD><TD>&nbsp;&nbsp;</TD><TD ALIGN="left" VALIGN="TOP">GDB files</TD></TR>
<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="gdb_17.html#SEC130">16. Specifying a Debugging Target</A></TD><TD>&nbsp;&nbsp;</TD><TD ALIGN="left" VALIGN="TOP">Specifying a debugging target</TD></TR>
<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="gdb_18.html#SEC136">17. Debugging remote programs</A></TD><TD>&nbsp;&nbsp;</TD><TD ALIGN="left" VALIGN="TOP"></TD></TR>
<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="gdb_19.html#SEC143">18. Configuration-Specific Information</A></TD><TD>&nbsp;&nbsp;</TD><TD ALIGN="left" VALIGN="TOP">Configuration-specific information</TD></TR>
<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="gdb_20.html#SEC184">19. Controlling GDB</A></TD><TD>&nbsp;&nbsp;</TD><TD ALIGN="left" VALIGN="TOP"></TD></TR>
<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="gdb_21.html#SEC192">20. Canned Sequences of Commands</A></TD><TD>&nbsp;&nbsp;</TD><TD ALIGN="left" VALIGN="TOP">Canned sequences of commands</TD></TR>
<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="gdb_22.html#SEC197">21. GDB Text User Interface</A></TD><TD>&nbsp;&nbsp;</TD><TD ALIGN="left" VALIGN="TOP"></TD></TR>
<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="gdb_23.html#SEC203">22. Using GDB under GNU Emacs</A></TD><TD>&nbsp;&nbsp;</TD><TD ALIGN="left" VALIGN="TOP"></TD></TR>
<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="gdb_24.html#SEC204">23. GDB Annotations</A></TD><TD>&nbsp;&nbsp;</TD><TD ALIGN="left" VALIGN="TOP">GDB's annotation interface.</TD></TR>
<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="gdb_25.html#SEC217">24. The GDB/MI Interface</A></TD><TD>&nbsp;&nbsp;</TD><TD ALIGN="left" VALIGN="TOP">GDB's Machine Interface.</TD></TR>
</TABLE>
<br>
<TABLE BORDER=0 CELLSPACING=0>
<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="gdb_26.html#SEC595">25. Reporting Bugs in GDB</A></TD><TD>&nbsp;&nbsp;</TD><TD ALIGN="left" VALIGN="TOP">Reporting bugs in GDB</TD></TR>
<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="gdb_29.html#SEC625">A. Formatting Documentation</A></TD><TD>&nbsp;&nbsp;</TD><TD ALIGN="left" VALIGN="TOP">How to format and print GDB documentation</TD></TR>
</TABLE>
<br>
<TABLE BORDER=0 CELLSPACING=0>
<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="gdb_27.html#SEC598">26. Command Line Editing</A></TD><TD>&nbsp;&nbsp;</TD><TD ALIGN="left" VALIGN="TOP"></TD></TR>
<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="gdb_28.html#SEC620">27. Using History Interactively</A></TD><TD>&nbsp;&nbsp;</TD><TD ALIGN="left" VALIGN="TOP"></TD></TR>
<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="gdb_30.html#SEC626">B. Installing GDB</A></TD><TD>&nbsp;&nbsp;</TD><TD ALIGN="left" VALIGN="TOP"></TD></TR>
<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="gdb_31.html#SEC630">C. Maintenance Commands</A></TD><TD>&nbsp;&nbsp;</TD><TD ALIGN="left" VALIGN="TOP"></TD></TR>
<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="gdb_32.html#SEC631">D. GDB Remote Serial Protocol</A></TD><TD>&nbsp;&nbsp;</TD><TD ALIGN="left" VALIGN="TOP"></TD></TR>
<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="gdb_33.html#SEC638">E. GNU GENERAL PUBLIC LICENSE</A></TD><TD>&nbsp;&nbsp;</TD><TD ALIGN="left" VALIGN="TOP">GNU General Public License says
how you can copy and share GDB</TD></TR>
<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="gdb_34.html#SEC641">F. GNU Free Documentation License</A></TD><TD>&nbsp;&nbsp;</TD><TD ALIGN="left" VALIGN="TOP">The license for this documentation</TD></TR>
<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="gdb_35.html#SEC643">Index</A></TD><TD>&nbsp;&nbsp;</TD><TD ALIGN="left" VALIGN="TOP"></TD></TR>
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<p>Please send FSF &amp; GNU inquiries &amp; questions to <a
href="mailto:gnu@gnu.org">gnu@gnu.org</a>. There are also <a
href="http://www.gnu.org/home.html#ContactInfo">other ways to
contact</a> the FSF.</p>
<p>These pages are maintained by <a
href="http://www.gnu.org/software/gdb/">the GDB developers</a>.</p>
<p>Copyright Free Software Foundation, Inc., 59 Temple Place - Suite
330, Boston, MA 02111, USA.</p>
<p>Verbatim copying and distribution of this entire article is
permitted in any medium, provided this notice is preserved.</p>
</address>
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