When LinkTraceProc handles
write traces, it calls on
routines to check the "type"
of the written value, against
the link type. The "interp" is
passed to these calls to capture
When there's no error, the impact
on the interp isn't supposed to
be perceived, and LinkTraceProc
saves and restores the interp result
to achieve this.
The interp result is only a part
of the interpreter state. The
would be better tools to completely
achieve this task.