2001-07-09  D.J. Barrow <djbarrow@de.ibm.com,barrow_dj@yahoo.com>

	* s390-nat.c : New file Added for S/390 31 & 64 bit target.
	* s390-tdep.c : Likewise.
	* config/s390/nm-linux.h : Likewise.	 
	* config/s390/s390x.mt : Likewise.
	* config/s390/tm-linux.h  : Likewise.  
	* config/s390/xm-linux.h : Likewise
	* config/s390/s390.mh : Likewise.
	* config/s390/s390.mt : Likewise.
	* config/s390/tm-s390.h : Likewise.
        * config.in Added definitions for S/390 31 & 64 bit target.
	* configure.host : Likewise.
	* configure.in : Likewise.
	* configure.tgt  : Likewise.

        * gdbarch.sh : Fixed CALL_DUMMY_BREAKPOINT_OFFSET to check
	CALL_DUMMY_BREAKPOINT_OFFSET_P.

	* /config/tm-sysv4.h :Made SKIP_TRAMPOLINE_CODE multiarch compatible.
	
        * signals.c : Fixed so that the gdbserver could build it to use
	target_signal_to_host & target_signal_from_host
	gdbserver was very broken & had a severe fixme wrt signals.

	* gdbserver/Makefile.in : Made makefile go to parent directory for source files,
	( so as to build signal.c )

	* gdbserver/low-linux.c : Added s390 32/64 bit support
	Fixed assumption that PTRACE_XFER_TYPE was an int
	added CANNOT_FETCH_REGISTER & CANNOT_STORE_REGISTER macros.
	Fixed fetch_inferior_registers etc. to work with s390 floating point regs.

	* gdbserver/server.c : Added target signal remapping FIXME.

	* gdbserver/remote-utils : Likewise.