* as.h (debug_info_type): Add entries for unspecified and dwarf*.

    * as.h (debug_info_type): Add entries for unspecified and dwarf*.
        * ecoff.c (ecoff_generate_asm_lineno): Take no arguments; call
        as_where ourselves.  Provide a stub for !ECOFF_DEBUGGING.
        * ecoff.h: Move ECOFF_DEBUGGING protection inside GAS_ECOFF_H.
        Move ecoff_generate_asm_lineno outside ECOFF_DEBUGGING protection.
        * read.c (generate_lineno_debug): Tidy ECOFF bits.  Use
        DEBUG_UNSPECIFIED rather than DEBUG_NONE for initial test.
        * config/obj-elf.h (ECOFF_DEBUGGING) [TC_ALPHA]: Define to a variable.
        (SEPARATE_STAB_SECTIONS): Conditionalize on value of ECOFF_DEBUGGING.
        (INIT_STAB_SECTION): Likewise.
        (OBJ_PROCESS_STAB): Likewise.

        * config/tc-alpha.c (md_longopts): New options -mdebug/-no-mdebug.
        (md_parse_option): Watch for them.
        (alpha_cur_ent_sym, alpha_flag_mdebug): New variables.
        (md_begin): Kill neverdef code.
        (s_alpha_ent, s_alpha_end, s_alpha_mask, s_alpha_frame): New.
        (s_alpha_prologue): Watch alpha_cur_ent_sym.
        (s_alpha_coff_wrapper): New.
        (md_pseudo_table): Trap all ECOFF pseudos.