source: trunk/binutils/gas/config/tc-m68hc11.h@ 2562

/* tc-m68hc11.h -- Header file for tc-m68hc11.c.
   Copyright 1999, 2000, 2001, 2002 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_M68HC11
#define TC_M68HC12

#ifdef ANSI_PROTOTYPES
struct fix;
#endif

/* Define TC_M68K so that we can use the MRI mode.  */
#define TC_M68K

#define TARGET_BYTES_BIG_ENDIAN 1

/* Motorola assembler specs does not require '.' before pseudo-ops.  */
#define NO_PSEUDO_DOT 1

#if 0
/* Treat the single quote as a string delimiter.
   ??? This does not work at all.  */
#define SINGLE_QUOTE_STRINGS 1
#endif

#ifndef BFD_ASSEMBLER
#error M68HC11 support requires BFD_ASSEMBLER
#endif

/* The target BFD architecture.  */
#define TARGET_ARCH (m68hc11_arch ())
extern enum bfd_architecture m68hc11_arch PARAMS ((void));

#define TARGET_MACH (m68hc11_mach ())
extern int m68hc11_mach PARAMS ((void));

#define TARGET_FORMAT (m68hc11_arch_format ())
extern const char *m68hc11_arch_format PARAMS ((void));

/* Specific sections:
   - The .page0 is a data section that is mapped in [0x0000..0x00FF].
     Page0 accesses are faster on the M68HC11. Soft registers used by GCC-m6811
     are located in .page0.
   - The .vectors is the data section that represents the interrupt
     vectors.  */
#define ELF_TC_SPECIAL_SECTIONS \
  { ".eeprom",  SHT_PROGBITS,   SHF_ALLOC + SHF_WRITE   }, \
  { ".softregs",SHT_NOBITS,     SHF_ALLOC + SHF_WRITE   }, \
  { ".page0",   SHT_PROGBITS,   SHF_ALLOC + SHF_WRITE   }, \
  { ".vectors", SHT_PROGBITS,   SHF_ALLOC + SHF_WRITE   },

#define LISTING_WORD_SIZE 1     /* A word is 1 bytes */
#define LISTING_LHS_WIDTH 4     /* One word on the first line */
#define LISTING_LHS_WIDTH_SECOND 4      /* One word on the second line */
#define LISTING_LHS_CONT_LINES 4        /* And 4 lines max */
#define LISTING_HEADER m68hc11_listing_header ()
extern const char *m68hc11_listing_header PARAMS ((void));

/* Permit temporary numeric labels.  */
#define LOCAL_LABELS_FB 1

#define tc_init_after_args m68hc11_init_after_args
extern void m68hc11_init_after_args PARAMS ((void));

#define md_parse_long_option m68hc11_parse_long_option
extern int m68hc11_parse_long_option PARAMS ((char *));

#define DWARF2_LINE_MIN_INSN_LENGTH 1

/* We don't need to handle .word strangely.  */
#define WORKING_DOT_WORD

#define md_number_to_chars           number_to_chars_bigendian

/* Relax table to translate short relative branches (-128..127) into
   absolute branches.  */
#define TC_GENERIC_RELAX_TABLE md_relax_table
extern struct relax_type md_relax_table[];

/* GAS only handles relaxations for pc-relative data targeting addresses
   in the same segment, so we have to handle the rest on our own.  */
#define md_relax_frag(SEG, FRAGP, STRETCH)              \
 ((FRAGP)->fr_symbol != NULL                            \
  && S_GET_SEGMENT ((FRAGP)->fr_symbol) == (SEG)        \
  ? relax_frag (SEG, FRAGP, STRETCH)                    \
  : m68hc11_relax_frag (SEG, FRAGP, STRETCH))
extern long m68hc11_relax_frag PARAMS ((segT, fragS*, long));

#define TC_HANDLES_FX_DONE

#define DIFF_EXPR_OK            /* .-foo gets turned into PC relative relocs */

/* Values passed to md_apply_fix3 don't include the symbol value.  */
#define MD_APPLY_SYM_VALUE(FIX) 0

/* No shared lib support, so we don't need to ensure externally
   visible symbols can be overridden.  */
#define EXTERN_FORCE_RELOC 0

#define TC_FORCE_RELOCATION(fix) tc_m68hc11_force_relocation (fix)
extern int tc_m68hc11_force_relocation PARAMS ((struct fix *));

#define tc_fix_adjustable(X) tc_m68hc11_fix_adjustable(X)
extern int tc_m68hc11_fix_adjustable PARAMS ((struct fix *));

#define md_operand(x)
#define tc_frob_label(sym) do {\
  S_SET_VALUE (sym, (valueT) frag_now_fix ()); \
} while (0)

#define elf_tc_final_processing m68hc11_elf_final_processing
extern void m68hc11_elf_final_processing PARAMS ((void));

#define tc_print_statistics(FILE) m68hc11_print_statistics (FILE)
extern void m68hc11_print_statistics PARAMS ((FILE *));