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111 lines
5.0 KiB
HTML
111 lines
5.0 KiB
HTML
<HTML>
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<HEAD>
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<TITLE>Target Selection Help</TITLE>
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</HEAD>
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<BODY>
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<H1>The Target Selection Dialog</H1>
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<h2>Overview</h2>
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<P>The Target Selection Dialog allows users to specify the debug target,
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the interface used to connect to the target, and some useful run
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options.</P>
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<P>
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<h3><A HREF="#select">Selecting a Target</A></h3>
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<UL>
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<LI><A HREF="#select">Specifying a Target</A></LI>
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<LI><A HREF="#select_int">Choosing a Connection Interface</A></LI>
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</UL>
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<h3><A HREF="#options">Options</A></h3>
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<UL>
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<LI><A HREF="#options_run_until_main">Run until 'main'</A></LI>
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<LI><A HREF="#options_bp_at_exit">Set breakpoint at 'exit'</A></LI>
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<LI><A HREF="#options_set_bp_at">Set user-specifid breakpoint</A></LI>
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<LI><A HREF="#options_download_dialog">Display Download Dialog</A></LI>
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<LI><A HREF="#options_use_xterm">Use xterm for inferior's tty (unix only)
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</A></LI>
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</UL>
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<h3><A HREF="#more_options">More Options</A></h3>
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<UL>
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<LI><A HREF="#more_options_attach">Attach to Target</A></LI>
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<LI><A HREF="#more_options_load">Download Program</A></LI>
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<LI><A HREF="#more_options_run">Run Program</A></LI>
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<LI><A HREF="#more_options_cont">Continue from Last Stop</A></LI>
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</UL></P>
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<H3><A NAME="select">Selecting a Target</A></H3>
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Selecting a target involves choosing a target for debugging and setting connection
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interface options for the target.
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<P>Common targets include: "Exec" for native debuggers, "Remote/Serial" for establishing
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a connection to a target board via a serial line, "Remote/TCP" for TCP connections,
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and "Simulator" for connections to the simulator. There may be more depending on the
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configuration of the debugger being used.</P>
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<P>In general, "remote" targets are always serial connections which require the user
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to specify the serial port and baud rate to be used for the connection and
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"remote/tcp" targets are always TCP connections which require specifying the hostname
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and port number of the machine to which to connect. Depending upon configuration,
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there may be numerous serial- and TCP-based connections. These always follow the
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naming convention <I>target</I>/Serial and <I>target</I>/TCP.</P>
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<P>To select a target, choose one of the available targets
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from the dropdown menu in the Connection Frame. Then <A NAME="#select_int">specify
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the interface options</A> for this target: selecting the baudrate and serial port
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from the dropdown menus (serial targets only) or entering the hostname and port number
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(TCP targets only).</P>
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<H3><A NAME="options">Options</A></H3>
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Three run options which may be selected include:
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<DL>
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<DT><A NAME="options_run_until_main">Run until 'main'</A>
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<DD>Sets a breakpoint at main()
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<DT><A NAME="options_bp_at_exit">Set breakpoint at 'exit'</A>
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<DD>Sets a breakpoint at exit()
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<DT><A NAME="options_set_bp_at">Set breakpoint at</A>
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<DD>Sets a breakpoint at a user-specified locaiton</A>
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<DT><A NAME="options_download_dialog">Display Download Dialog</A>
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<DD>Displays a dialog showing the progress of the download to
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the target section by section
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<DT><A NAME="options_use_xterm">Use xterm as inferior's tty</A>
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<DD>Causes insight to open a tty for inferior I/O (unix versions
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only)
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</DL>
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<BR>
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<H3><A NAME="more_options">More Options</A></H3>
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Several additional run options may be set for each target from the Target Selection
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Dialog. These options govern the behavior of the debugger's
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<A NAME="source.html#run_button">Run Button</A>. The debugger automatically selects
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default values for these options whenever a target is selected with the dropdown menu
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in the Connection Frame. To modify this default behavior, click the small triangle
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next to "More Options" at the bottom of the dialog. The Run Options for the current
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target are displayed, allowing modification of the actions for the target. When the
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"OK" button is selected, these settings are saved and will be used as the default
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for the target in future sessions.
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<DL>
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<DT><A NAME="more_options_attach">Attach to Target</A>
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<DD>Establish a connection to the target board.
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<DT><A NAME="more_options_load">Download Program</A>
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<DD>Download the program to the target board.
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<DT><A NAME="more_options_run">Run Program</A>
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<DD>Run the program on the target board, creating a new
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"process". This option may not be specified along with
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the continue option. See note below.
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<DT><A NAME="more_options_cont">Continue from Last Stop</A>
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<DD>Continue the program on the target board from where
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it last stopped. This option may not be specified
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along with the "run" option. See note below.
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</DL>
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<P>Note that all remote targets typically do not "run" programs. Since target
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boards are usually incapable of creating a new "process", these targets
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seldom "Run". The defaults for all remote targets reflect this distinction: they
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are all set to "Continue".</P>
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<P>Only one of the options "Run Program" and "Continue from Last Stop" may be used.
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Typically, the default behavior of this setting should not be altered.</P>
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</BODY>
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</HTML>
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