prefix to do it.

hooks_rm.o

of librm.

always saves 32 bits).

continually reallocating the real-mode stack.

registers returned to RM code.

Note that we can't make real-mode calls immediately after relocate_to().

Preserves alignment requested via _max_align parameter to linker.

 callback mechanism.

logic (e.g. avoiding memory regions with A20=0).

anyway, and I want to be able to use it as a compile-time option for
the i386 decompressor.