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study/Ref-docs/manual gdb/gdb/gdb_31.html
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study/Ref-docs/manual gdb/gdb/gdb_31.html
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<HTML>
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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<!-- Created on November, 11 2002 by texi2html 1.64 -->
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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: 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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-->
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<HEAD>
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<TITLE>Debugging with GDB: Maintenance Commands</TITLE>
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<META NAME="description" CONTENT="Debugging with GDB: Maintenance Commands">
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<META NAME="keywords" CONTENT="Debugging with GDB: Maintenance Commands">
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<META NAME="resource-type" CONTENT="document">
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<META NAME="distribution" CONTENT="global">
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<META NAME="Generator" CONTENT="texi2html 1.64">
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</HEAD>
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<BODY LANG="" BGCOLOR="#FFFFFF" TEXT="#000000" LINK="#0000FF" VLINK="#800080" ALINK="#FF0000">
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<A NAME="SEC630"></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_30.html#SEC629"> < </A>]</TD>
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<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="gdb_32.html#SEC631"> > </A>]</TD>
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<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="gdb_32.html#SEC631"> << </A>]</TD>
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<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="gdb.html#SEC_Top"> Up </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_35.html#SEC643">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> C. Maintenance Commands </H1>
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<!--docid::SEC630::-->
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<P>
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In addition to commands intended for GDB users, GDB
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includes a number of commands intended for GDB developers.
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These commands are provided here for reference.
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</P><P>
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<DL COMPACT>
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<A NAME="IDX1206"></A>
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<A NAME="maint info breakpoints"></A>
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<DT><CODE>maint info breakpoints</CODE>
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<DD>Using the same format as <SAMP>`info breakpoints'</SAMP>, display both the
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breakpoints you've set explicitly, and those GDB is using for
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internal purposes. Internal breakpoints are shown with negative
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breakpoint numbers. The type column identifies what kind of breakpoint
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is shown:
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<P>
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<DL COMPACT>
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<DT><CODE>breakpoint</CODE>
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<DD>Normal, explicitly set breakpoint.
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<P>
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<DT><CODE>watchpoint</CODE>
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<DD>Normal, explicitly set watchpoint.
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<P>
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<DT><CODE>longjmp</CODE>
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<DD>Internal breakpoint, used to handle correctly stepping through
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<CODE>longjmp</CODE> calls.
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<P>
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<DT><CODE>longjmp resume</CODE>
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<DD>Internal breakpoint at the target of a <CODE>longjmp</CODE>.
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<P>
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<DT><CODE>until</CODE>
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<DD>Temporary internal breakpoint used by the GDB <CODE>until</CODE> command.
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<P>
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<DT><CODE>finish</CODE>
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<DD>Temporary internal breakpoint used by the GDB <CODE>finish</CODE> command.
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<P>
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<DT><CODE>shlib events</CODE>
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<DD>Shared library events.
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<P>
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</DL>
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<P>
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<A NAME="IDX1207"></A>
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<A NAME="IDX1208"></A>
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<DT><CODE>maint internal-error</CODE>
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<DD><DT><CODE>maint internal-warning</CODE>
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<DD>Cause GDB to call the internal function <CODE>internal_error</CODE>
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or <CODE>internal_warning</CODE> and hence behave as though an internal error
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or internal warning has been detected. In addition to reporting the
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internal problem, these functions give the user the opportunity to
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either quit GDB or create a core file of the current
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GDB session.
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<P>
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<TABLE><tr><td> </td><td class=smallexample><FONT SIZE=-1><pre>(gdb) <KBD>maint internal-error testing, 1, 2</KBD>
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<small>...</small>/maint.c:121: internal-error: testing, 1, 2
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A problem internal to GDB has been detected. Further
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debugging may prove unreliable.
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Quit this debugging session? (y or n) <KBD>n</KBD>
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Create a core file? (y or n) <KBD>n</KBD>
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(gdb)
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</FONT></pre></td></tr></table></P><P>
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Takes an optional parameter that is used as the text of the error or
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warning message.
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</P><P>
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<A NAME="IDX1209"></A>
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<A NAME="IDX1210"></A>
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<A NAME="IDX1211"></A>
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<DT><CODE>maint print registers</CODE>
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<DD><DT><CODE>maint print raw-registers</CODE>
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<DD><DT><CODE>maint print cooked-registers</CODE>
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<DD>Print GDB's internal register data structures.
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<P>
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The command <SAMP>`maint print raw-registers'</SAMP> includes the contents of
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the raw register cache; and the command <SAMP>`maint print
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cooked-registers'</SAMP> includes the (cooked) value of all registers.
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See section `Registers' in <CITE>GDB Internals</CITE>.
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</P><P>
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Takes an optional file parameter.
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</P><P>
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</DL>
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<P>
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<A NAME="Remote Protocol"></A>
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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="gdb_32.html#SEC631"> << </A>]</TD>
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<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="gdb_32.html#SEC631"> >> </A>]</TD>
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<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <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_35.html#SEC643">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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<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>November, 11 2002</I>
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using <A HREF="http://www.mathematik.uni-kl.de/~obachman/Texi2html
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"><I>texi2html</I></A>
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