doc/ChangeLog:

doc/ChangeLog:

	* observer.texi (GDB Observers): New observer "new_objfile".

ChangeLog:

	* observer.sh: Add "struct objfile" forward declaration.
	* target.h (deprecated_target_new_objfile_hook): Remove.
	* symfile.c (deprecated_target_new_objfile_hook): Remove.
	(clear_symtab_users): Call observer_notify_new_objfile.
	(symbol_file_add_with_addrs_or_offsets): Likewise.
	* rs6000-nat.c: Include "observer.h".
	(vmap_ldinfo): Call observer_notify_new_objfile.
	(xcoff_relocate_core): Likewise.
	* remote.c (remote_new_objfile_chain): Remove.
	(remote_new_objfile): Do not call remote_new_objfile_chain.
	(_initialize_remote): Use observer_attach_new_objfile.
	* tui/tui-hooks.c (tui_target_new_objfile_chain): Remove.
	(tui_new_objfile_hook): Do not call tui_target_new_objfile_chain.
	(_initialize_tui_hooks): Use observer_attach_new_objfile.
	* aix-thread.c: Include "observer.h".
	(target_new_objfile_chain): Remove.
	(new_objfile): Do not call target_new_objfile_chain.
	(_initialize_aix_thread): Use observer_attach_new_objfile.
	* hpux-thread.c: Include "observer.h"
	(target_new_objfile_chain): Remove.
	(hpux_thread_new_objfile): Make static.  Do not call
	target_new_objfile_chain.
	(_initialize_hpux_thread): Use observer_attach_new_objfile.
	* linux-thread-db.c: Include "observer.h".
	(target_new_objfile_chain): Remove.
	(thread_db_new_objfile): Do not call target_new_objfile_chain.
	(_initialize_thread_db): Use observer_attach_new_objfile.
	* sol-thread.c: Include "observer.h".
	(target_new_objfile_chain): Remove.
	(sol_thread_new_objfile): Make static.  Do not call
	target_new_objfile_chain.
	(_initialize_sol_thread): Use observer_attach_new_objfile.
	* Makefile.in (aix-thread.o, hpux-thread.o, linux-thread-db.o,
	rs6000-nat.o, sol-thread.o, tui-hooks.o): Add dependency on
	$(observer_h).