common code into lynx-nat.c. * lynx-nat.c: New module. Contains portable code for Lynx native stuff (mostly ptrace related). * config/i386/i386lynx.mh (NATDEPFILES): i386ly-nat.o -> lynx-nat.o * config/m68k/m68klynx.mh (NATDEPFILES): i386ly-nat.o -> lynx-nat.o * config/nm-lynx.h, config/tm-lynx.h: New files to contain non-architecture specific native and target defs. * config/i386/nm-i386lynx.h, config/i386/tm-i386lynx.h, config/m68k/nm-m68klynx.h, config/m68k/tm-m68klynx.h: Move all (arch) portable stuff into ../{tm nm}-lynx.h.