Re: [reverse RFC] Add documentation for process record and replay

Eli Zaretskii
2008-10-15T07:24:07Z

> Date: Wed, 15 Oct 2008 13:50:30 +0800
> From: teawater <teawater@gmail.com>
> Cc: gdb-patches@sourceware.org, msnyder@vmware.com
>
> >> +When this target is in use, if the next instruction to be executed is in the
> >> +execution log, @value{GDBN} will debug in replay mode so that all the
> >> +execution events are taken from the execution log. Otherwise, @value{GDBN}
> >> +will debug in record mode and record the execution log while executing
> >> +normally.
> >
> > What exactly is the "execution log"? You talk about "next
> > instruction", which seems to hint that the log records the machine
> > instructions executed by the inferior -- is that true? If so, what
> > are the "execution events" you mention here -- are they just a synonym
> > for the "instructions", or are they something else?
> >
>
> "execution log" mean is before a instruction execute, record the
> values of register and memory that will be change in this instruction
> to a list.

So you record the values of registers and memory AND the instruction?
The frequent use of ``instruction'' and ``insn'' is a clear hint to
this; if as a matter of fact the instructions are not recorded, we
should modify the text to eliminate those hints.