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The frame under which the expression should be evaluated can be specified by
frame-addr. A '*' indicates that the current frame should be used.
expression is any expression valid on the current language set (must not begin with
a '*'), or one of the following:
• '*addr', where addr is the address of a memory cell
• '*addr-addr' ― a memory address range (TBD)
• '$regname' ― a CPU register name
Result
This operation returns the name, number of children and the type of the object created.
Type is returned as a string as the ones generated by the GDB CLI:
name="name",numchild="N",type="type"
The -var-delete command
Synopsis
-var-delete name
Deletes a previously created variable object and all of its children.
Returns an error if the object name is not found.
The -var-set-format command
Synopsis
-var-set-format name format-spec
Sets the output format for the value of the object name to be format-spec.
The syntax for the format-spec is as follows:
format-spec
{binary | decimal | hexadecimal | octal | natural}
The -var-show-format command
Synopsis
-var-show-format name
Returns the format used to display the value of the object name.
format
format-spec
The -var-info-num-children command
Synopsis
-var-info-num-children name
21.14 GDB/MI variable objects 357