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- /* This file is tc-m68k.h
-
- Copyright (C) 1987, 89, 90, 91, 92, 93, 94, 95, 1996
- Free Software Foundation, Inc.
-
- This file is part of GAS, the GNU Assembler.
-
- GAS is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2, or (at your option)
- any later version.
-
- GAS is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with GAS; see the file COPYING. If not, write to
- the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
-
- #define TC_M68K 1
-
- #define TARGET_BYTES_BIG_ENDIAN 1
-
- #ifdef OBJ_AOUT
- #ifdef TE_SUN3
- #define TARGET_FORMAT "a.out-sunos-big"
- #endif
- #ifdef TE_NetBSD
- #define TARGET_FORMAT "a.out-m68k-netbsd"
- #endif
- #ifdef TE_LINUX
- #define TARGET_FORMAT "a.out-m68k-linux"
- #endif
- #ifndef TARGET_FORMAT
- #define TARGET_FORMAT "a.out-zero-big"
- #endif
- #endif
-
- #ifdef OBJ_ELF
- #define TARGET_FORMAT "elf32-m68k"
- #endif
-
- #ifdef TE_APOLLO
- #define COFF_MAGIC APOLLOM68KMAGIC
- #define COFF_AOUTHDR_MAGIC APOLLO_COFF_VERSION_NUMBER
- #undef OBJ_COFF_OMIT_OPTIONAL_HEADER
- #endif
-
- #ifdef TE_LYNX
- #define TARGET_FORMAT "coff-m68k-lynx"
- #endif
- #ifdef TE_AUX
- #define TARGET_FORMAT "coff-m68k-aux"
- #endif
-
- #ifndef COFF_MAGIC
- #define COFF_MAGIC MC68MAGIC
- #endif
- #define BFD_ARCH bfd_arch_m68k /* for non-BFD_ASSEMBLER */
- #define TARGET_ARCH bfd_arch_m68k /* BFD_ASSEMBLER */
- #define COFF_FLAGS F_AR32W
- #define TC_COUNT_RELOC(x) ((x)->fx_addsy||(x)->fx_subsy)
-
- #define TC_COFF_FIX2RTYPE(fixP) tc_coff_fix2rtype(fixP)
- #define TC_COFF_SIZEMACHDEP(frag) tc_coff_sizemachdep(frag)
- extern int tc_coff_sizemachdep PARAMS ((struct frag *));
- #ifdef TE_SUN3
- /* This variable contains the value to write out at the beginning of
- the a.out file. The 2<<16 means that this is a 68020 file instead
- of an old-style 68000 file */
-
- #define DEFAULT_MAGIC_NUMBER_FOR_OBJECT_FILE (2<<16|OMAGIC); /* Magic byte for file header */
- #endif /* TE_SUN3 */
-
- #ifndef AOUT_MACHTYPE
- #define AOUT_MACHTYPE m68k_aout_machtype
- extern int m68k_aout_machtype;
- #endif
-
- #define tc_comment_chars m68k_comment_chars
- extern const char *m68k_comment_chars;
-
- #define tc_crawl_symbol_chain(a) {;} /* not used */
- #define tc_headers_hook(a) {;} /* not used */
- #define tc_aout_pre_write_hook(x) {;} /* not used */
-
- #define LISTING_WORD_SIZE 2 /* A word is 2 bytes */
- #define LISTING_LHS_WIDTH 2 /* One word on the first line */
- #define LISTING_LHS_WIDTH_SECOND 2 /* One word on the second line */
- #define LISTING_LHS_CONT_LINES 4/* And 4 lines max */
- #define LISTING_HEADER "68K GAS "
-
- /* Copied from write.c */
- #define M68K_AIM_KLUDGE(aim, this_state,this_type) \
- if (aim==0 && this_state== 4) { /* hard encoded from tc-m68k.c */ \
- aim=this_type->rlx_forward+1; /* Force relaxation into word mode */ \
- }
-
- #ifndef REGISTER_PREFIX
- #define REGISTER_PREFIX '%'
- #endif
-
- #if !defined (REGISTER_PREFIX_OPTIONAL)
- #if defined (M68KCOFF) || defined (OBJ_ELF)
- #define LOCAL_LABEL(name) (name[0] == '.' \
- && (name[1] == 'L' || name[1] == '.'))
- #define FAKE_LABEL_NAME ".L0\001"
- #define REGISTER_PREFIX_OPTIONAL 0
- #else
- #define REGISTER_PREFIX_OPTIONAL 1
- #endif
- #endif /* not def REGISTER_PREFIX and not def OPTIONAL_REGISTER_PREFIX */
-
- #ifdef TE_DELTA
- /* On the Delta, `%' can occur within a label name. I'm assuming it
- can't be used as the initial character. If that's not true, more
- work will be needed to fix this up. */
- #define LEX_PCT 1
- /* On the Delta, dots are not required before pseudo-ops. */
- #define NO_PSEUDO_DOT
- #endif
-
- extern void m68k_mri_mode_change PARAMS ((int));
- #define MRI_MODE_CHANGE(i) m68k_mri_mode_change (i)
-
- #ifdef BFD_ASSEMBLER
-
- #define tc_frob_symbol(sym,punt) \
- if (S_GET_SEGMENT (sym) == reg_section) punt = 1
-
- #define NO_RELOC BFD_RELOC_NONE
-
- #ifdef OBJ_ELF
-
- /* This expression evaluates to false if the relocation is for a local object
- for which we still want to do the relocation at runtime. True if we
- are willing to perform this relocation while building the .o file. */
-
- #define TC_RELOC_RTSYM_LOC_FIXUP(FIX) \
- ((FIX)->fx_r_type != BFD_RELOC_8_PLT_PCREL \
- && (FIX)->fx_r_type != BFD_RELOC_16_PLT_PCREL \
- && (FIX)->fx_r_type != BFD_RELOC_32_PLT_PCREL \
- && (FIX)->fx_r_type != BFD_RELOC_8_GOT_PCREL \
- && (FIX)->fx_r_type != BFD_RELOC_16_GOT_PCREL \
- && (FIX)->fx_r_type != BFD_RELOC_32_GOT_PCREL)
-
- #define tc_fix_adjustable(X) tc_m68k_fix_adjustable(X)
- #endif
-
- #else
- #define NO_RELOC 0
- #endif
-
- #define DIFF_EXPR_OK
-
- extern void m68k_init_after_args PARAMS ((void));
- #define tc_init_after_args m68k_init_after_args
-
- extern int m68k_parse_long_option PARAMS ((char *));
- #define md_parse_long_option m68k_parse_long_option
-
- #define md_operand(x)
-
- #define TARGET_WORD_SIZE 32
- #define TARGET_ARCH bfd_arch_m68k
-
- extern struct relax_type md_relax_table[];
- #define TC_GENERIC_RELAX_TABLE md_relax_table
-
- /* end of tc-m68k.h */
-