but not the others.
* symm-tdep.c: Remove exec_file_command.
[_SEQUENT_] (ptx_coff_regno_to_gdb, register_addr): New functions.
A few miscellaneous cleanups.
* symm-nat.c: Renamed from symm-xdep.c.
* All symmetry dependent files: Many changes.
config files moved to an appropriate config/<cpu> subdirectory.
* nm-*, xm-*, tm-*: All native, host, and target files, which
get linked to nm.h, xm.h, and tm.h respectively by configure,
moved to appropriate config/<cpu> subdirectory.