* coff-m88k.c (rtype2howto): New static function.
(RTYPE2HOWTO): Use it rather than a macro definition.
* coffcode.h (coff_write_object_contents): set internal_a.magic
to PAGEMAGICPEXECPAGED #if defined (M68) && !defined (LYNXOS).
* configure.in: m68*-motorola-sysv3* does not use ptrace-core.o;
define TRAD_HEADER to new file hosts/delta68.h.
m88*-motorola-sysv*, however, does use ptrace-core.o.
* hosts/delta68.h: New file.
* ptrace-core.c (ptrace_unix_core_file_p): change bfd_zmalloc to
bfd_zalloc; provide proper parm abfd to calls to bfd_zalloc.