/* This file is tc-m68k.h
-
- Copyright (C) 1987-1992 Free Software Foundation, Inc.
+ Copyright 1987, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997,
+ 1998, 1999, 2000, 2001, 2002, 2003
+ Free Software Foundation, Inc.
This file is part of GAS, the GNU Assembler.
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, 675 Mass Ave, Cambridge, MA 02139, USA. */
+ 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
+#ifdef ANSI_PROTOTYPES
+struct fix;
+#endif
+
+#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
+#ifdef TE_DELTA
+#define TARGET_FORMAT "coff-m68k-sysv"
+#endif
+
+#ifndef COFF_MAGIC
#define COFF_MAGIC MC68MAGIC
-#define BFD_ARCH bfd_arch_m68k
+#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_FIX2RTYPE(FIX) tc_coff_fix2rtype(FIX)
#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
#endif /* TE_SUN3 */
#ifndef AOUT_MACHTYPE
-#define AOUT_MACHTYPE 0x2
+#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_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 */ \
- }
-
-#ifdef M68KCOFF
-#define DOT_LABEL_PREFIX
+#ifndef REGISTER_PREFIX
#define REGISTER_PREFIX '%'
-#else
-#define OPTIONAL_REGISTER_PREFIX '%'
#endif
+#if !defined (REGISTER_PREFIX_OPTIONAL)
+#if defined (M68KCOFF) || defined (OBJ_ELF)
+#ifndef BFD_ASSEMBLER
+#define LOCAL_LABEL(name) (name[0] == '.' \
+ && (name[1] == 'L' || name[1] == '.'))
+#endif /* ! BFD_ASSEMBLER */
+#define REGISTER_PREFIX_OPTIONAL 0
+#else /* ! (COFF || ELF) */
+#define REGISTER_PREFIX_OPTIONAL 1
+#endif /* ! (COFF || ELF) */
+#endif /* not def REGISTER_PREFIX and not def OPTIONAL_REGISTER_PREFIX */
+
+#ifdef TE_DELTA
+/* On the Delta, `%' can occur within a label name, but not as the
+ initial character. */
+#define LEX_PCT LEX_NAME
+/* On the Delta, `~' can start a label name, but is converted to '.'. */
+#define LEX_TILDE LEX_BEGIN_NAME
+#define tc_canonicalize_symbol_name(s) ((*(s) == '~' ? *(s) = '.' : '.'), s)
+/* On the Delta, dots are not required before pseudo-ops. */
+#define NO_PSEUDO_DOT 1
+#ifndef BFD_ASSEMBLER
+#undef LOCAL_LABEL
+#define LOCAL_LABEL(name) \
+ (name[0] == '.' || (name[0] == 'L' && name[1] == '%'))
+#endif
+#endif
+
+extern void m68k_mri_mode_change PARAMS ((int));
+#define MRI_MODE_CHANGE(i) m68k_mri_mode_change (i)
+
+extern int m68k_conditional_pseudoop PARAMS ((pseudo_typeS *));
+#define tc_conditional_pseudoop(pop) m68k_conditional_pseudoop (pop)
+
+extern void m68k_frob_label PARAMS ((symbolS *));
+#define tc_frob_label(sym) m68k_frob_label (sym)
+
+extern void m68k_flush_pending_output PARAMS ((void));
+#define md_flush_pending_output() m68k_flush_pending_output ()
+
+extern void m68k_frob_symbol PARAMS ((symbolS *));
+
#ifdef BFD_ASSEMBLER
-#define tc_frob_symbol(sym,punt) \
- if (S_GET_SEGMENT (sym) == reg_section) punt = 1
+
+#define tc_frob_symbol(sym,punt) \
+do \
+ { \
+ if (S_GET_SEGMENT (sym) == reg_section) \
+ punt = 1; \
+ m68k_frob_symbol (sym); \
+ } \
+while (0)
+
+#define NO_RELOC BFD_RELOC_NONE
+#define RELAX_RELOC_ABS8 BFD_RELOC_8
+#define RELAX_RELOC_ABS16 BFD_RELOC_16
+#define RELAX_RELOC_ABS32 BFD_RELOC_32
+#define RELAX_RELOC_PC8 BFD_RELOC_8_PCREL
+#define RELAX_RELOC_PC16 BFD_RELOC_16_PCREL
+#define RELAX_RELOC_PC32 BFD_RELOC_32_PCREL
+
+#ifdef OBJ_ELF
+#define tc_fix_adjustable(X) tc_m68k_fix_adjustable(X)
+extern int tc_m68k_fix_adjustable PARAMS ((struct fix *));
+
+/* Target *-*-elf implies an embedded target. No shared libs. */
+#define EXTERN_FORCE_RELOC (strcmp (TARGET_OS, "elf") != 0)
+
+/* Values passed to md_apply_fix3 don't include symbol values. */
+#define MD_APPLY_SYM_VALUE(FIX) 0
+
+#define elf_tc_final_processing m68k_elf_final_processing
+extern void m68k_elf_final_processing PARAMS ((void));
#endif
+#else /* ! BFD_ASSEMBLER */
+
+#define tc_frob_coff_symbol(sym) m68k_frob_symbol (sym)
+
+#define NO_RELOC 0
+#define RELAX_RELOC_ABS8 0
+#define RELAX_RELOC_ABS16 0
+#define RELAX_RELOC_ABS32 0
+#define RELAX_RELOC_PC8 0
+#define RELAX_RELOC_PC16 0
+#define RELAX_RELOC_PC32 0
+
+#endif /* ! BFD_ASSEMBLER */
+
#define DIFF_EXPR_OK
-/* end of tc-m68k.h */
+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
+
+/* We can't do a byte jump to the next instruction, so in that case
+ force word mode by faking AIM. */
+#define md_prepare_relax_scan(fragP, address, aim, this_state, this_type) \
+ do \
+ { \
+ if (aim == 0 && this_type->rlx_forward == 127) \
+ aim = 128; \
+ } \
+ while (0)
+
+#define DWARF2_LINE_MIN_INSN_LENGTH 2
+
+/* We want .cfi_* pseudo-ops for generating unwind info. */
+#define TARGET_USE_CFIPOP 1
+
+#define DWARF2_DEFAULT_RETURN_COLUMN 24
+#define DWARF2_CIE_DATA_ALIGNMENT (-4)
+
+#define tc_regname_to_dw2regnum tc_m68k_regname_to_dw2regnum
+extern int tc_m68k_regname_to_dw2regnum (const char *regname);
+
+#define tc_cfi_frame_initial_instructions tc_m68k_frame_initial_instructions
+extern void tc_m68k_frame_initial_instructions (void);
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