functions (in rel &amp; lib files) called by the function.
constants (list): List of resolved constants read by the function (See resolve_constants).
external_constants (list): List of external constants (in rel &amp; lib files) read by the function.
global_defs (list): List of resolved global definitions used by the function (See resolve_globals).
fptrs (list): List of resolved function pointers assigned by the function (See resolve_fptrs).
isr_def (IntDef): Resolved interrupt definition associated with th