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^Z^Zfield-value
the-value
^Z^Zfield-end
where field-name is the name of the field, separator-string is text which
separates the name from the value for the user's benefit (such as `='), and value-flags
and the-value have the same meanings as in a value-history-begin annotation.
When printing an array, GDB annotates it as follows:
^Z^Zarray-section-begin array-index value-flags
where array-index is the index of the first element being annotated and
value-flags has the same meaning as in a value-history-begin annotation.
This is followed by any number of elements, where the element can be either a single
element or a repeated element as shown in the examples below:
`,' whitespace ; omitted for the first element
the-value
^Z^Zelt
`,' whitespace ; omitted for the first element
the-value
^Z^Zelt-rep number-of-repititions
repetition-string
^Z^Zelt-rep-end
In both cases, the-value is the output for the value of the element and whitespace
can contain spaces, tabs, and newlines. In the repeated case, number-of-repititons
is the number of consecutive array elements which contain that value, and
repetition-string is a string which is designed to convey to the user that repetition
is being depicted.
Once all the array elements have been output, the array annotation is ended with:
^Z^Zarray-section-end
20.4 Frames
Whenever GDB prints a frame, it annotates it. For example, this applies to frames
printed when GDB stops, output from commands such as backtrace or up, etc.
The frame annotation begins with:
^Z^Zframe-begin level address
level-string
where level is the number of the frame (0 is the innermost frame, and other frames
have positive numbers), address is the address of the code executing in that frame,
and level-string is a string designed to convey the level to the user. address is
in the form `0x' followed by one or more lowercase hex digits (note that this does not
depend on the language). The frame ends with:
^Z^Zframe-end
Between these annotations is the main body of the frame, which can consist of:
20.4 Frames 299