2011-02-10 Ivan Maidanski <ivmai@mail.ru>

2011-02-10  Ivan Maidanski  <ivmai@mail.ru>

	* dyn_load.c (GC_register_map_entries,
	GC_register_dynamic_libraries_dl_iterate_phdr): Calculate
	DATASTART only once if DATASTART_IS_FUNC.
	* dyn_load.c (GC_register_dynamic_libraries_dl_iterate_phdr):
	Calculate DATAEND only once if DATAEND_IS_FUNC.
	* dyn_load.c: Add comment to some endif; realign some code.
	* dyn_load.c (GC_init_dyld): Don't use
	_dyld_bind_fully_image_containing_address if
	NO_DYLD_BIND_FULLY_IMAGE defined; add FIXME.
	* include/private/gcconfig.h (GC_data_start, GC_find_limit):
	Declare if used by DATASTART/DATAEND, respectively.
	* include/private/gcconfig.h (DATASTART_IS_FUNC, DATAEND_IS_FUNC):
	Define if DATASTART/DATAEND is a function, respectively.
	* include/private/gcconfig.h (GETPAGESIZE, NO_PTHREAD_TRYLOCK,
	NO_DYLD_BIND_FULLY_IMAGE): Define for Darwin/arm as well; include
	unistd.h.