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<strong>Tornado</strong> 2.0<br />

User’s Guide<br />

Figure 7-8<br />

Register Display<br />

click here<br />

to hide<br />

detail<br />

Help Menu<br />

The Help menu has the standard entries On CrossWind (the debugger’s reference<br />

entry), Manuals Index (the online search tool), and Manuals Contents (the start of the<br />

<strong>Tornado</strong> online manuals). It also has one additional entry. The GDB Online<br />

command brings up an auxiliary viewer for the command-language usage<br />

summaries built into GDB.<br />

CrossWind Buttons<br />

Just below the menu bar is a row of buttons called the button bar. These buttons<br />

provide quick access to the most important debugger functionality. The following<br />

paragraphs describe each button:<br />

Sets a breakpoint on the current line, or on a selected symbol. For example,<br />

if you have just single-stepped through a portion of your program, press<br />

this button to stop execution the next time your program executes this line.<br />

Alternately, to stop at the beginning of a routine, click on the routine name<br />

(either where it is defined, or anywhere that the subroutine is called), then<br />

press this button.<br />

244

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