* config/tc-ppc.c (md_pseudo_table): Add "bc" and "ec".

	(ppc_stab_symbol): New static variable.
	(ppc_change_csect): Check that ppc_toc_csect is not NULL.
	(ppc_stabx): Set ppc_stab_symbol around call to symbol_make.  Set
	sy_tc.real_name to the stab string.
	(ppc_bc, ppc_ec): New static functions.
	(ppc_canonicalize_symbol_name): If ppc_stab_symbol is set, don't
	do anything.
	(ppc_symbol_new_hook): If ppc_stab_symbol is set, don't look for a
	suffix.