2003-07-22 Andrew Cagney <cagney@redhat.com>

2003-07-22  Andrew Cagney  <cagney@redhat.com>

	* gdbarch.c Include "gdb_obstack.h".
	(struct gdbarch): Add an "obstack".
	(alloc_gdbarch_data): Allocate the gdbarch data using
	GDBARCH_OBSTACK_CALLOC.
	(free_gdbarch_data): Delete function.
	(gdbarch_obstack_zalloc): New function.
	(gdbarch_free): Free the obstack, do not call free_gdbarch_data.
	Assert that the architecture is not initialized.
	(gdbarch_alloc): Allocate an obstack, allocate the architecture
	vector from the obstack.
	(alloc_gdbarch_data, init_gdbarch_swap): Allocate memory using the
	architecture obstack.
	(GDBARCH_OBSTACK_CALLOC, GDBARCH_OBSTACK_ZALLOC): Define.
	(set_gdbarch_data): Assert that the data is not initialized.
	(struct gdbarch_data): Delete member "free".
	(register_gdbarch_data): Do not initialize "free".
	* gdbarch.h, gdbarch.c: Re-generate.