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10 DEBUggEr
Operation
Opening/closing the window
The [Watch Expressions] window does not open automatically at debugger startup (unless the gdbtk.ini file
is changed). To open the window, choose [Watch Expressions] from the [View] menu in the [Source] window
or click the [Watch Expressions] button.
[Watch Expressions] button
Click the [Close] button to close the window. The window can also be minimized. Only one instance of the [Watch
Expressions] window can be open at a time. Any attempt to open the [Watch Expressions] window while
already open reactivates the [Watch Expressions] window and moves it to the front of the screen.
registering symbols to be displayed
To display the contents of symbols in the [Watch Expressions] window, you must first register the symbols. Use
one of the following methods to register symbols:
1. [Add Watch] button in [Watch Expressions] window
Enter a symbol name or a CPU register name beginning with $ in the text box of the [Watch Expressions]
window, then click the [Add Watch] button.
2. Symbol registration in [Source] window
To use this function, choose display format [SOURCE].
Place the cursor over a global variable name and right-click. Then choose [Add <symbol> to Watch] from
the ensuing popup menu. (See Section 10.4.2, "[Source] Window".)
3. Register registration in [Registers] window
Select a register you wish to add by clicking it in the [Registers] window, then choose [Add to Watch] from
the [Register] menu or the popup menu that appears by right-clicking. (See Section 10.4.4, "[Registers]
Window".)
Deleting registered symbols
Delete any symbols that are no longer necessary to watch from the window by following the method described
below.
Select a symbol you wish to delete by clicking it.
Next, choose [Remove] from the [Watch] menu or the popup menu that appears by right-clicking.
Changing display format
The format in which to display symbol values can be selected from the following:
Hex:
Hexadecimal
Decimal:
Signed decimal
Binary:
Binary
Octal:
Octal
Natural:
Common representation for the data type (e.g. decimal for int type values, hexadecimal for
pointers) (default)
Select a symbol whose display format you wish to change by clicking on its line in the window.
10-30
Selected symbol
EPSOn
(C COMPilEr PaCkagE fOr S1C17 faMily) (Ver. 1.5.0)
S5U1C17001C ManUal
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