Main structure of bug-stalker, control debugee state and provides application functionality.
Debugger structure builder.
Exploration context. Contains current explored thread and program counter.
May be changed by user (by thread or frame command)
or by debugger (at breakpoints, after steps, etc.).
Stack frame information.
Represent a place in program text identified by file name
line number and column number.
Information about loaded in VAS region.
Debugee thread description.
Tracee is a thread attached to debugger with ptrace.
Watchpoint information struct.