gas/config/tc-m68hc11.h

   1 /* tc-m68hc11.h -- Header file for tc-m68hc11.c.
   2    Copyright 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
   3
   4    This file is part of GAS, the GNU Assembler.
   5
   6    GAS is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 2, or (at your option)
   9    any later version.
  10
  11    GAS is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with GAS; see the file COPYING.  If not, write to the Free
  18    Software Foundation, 59 Temple Place - Suite 330, Boston, MA
  19    02111-1307, USA.  */
  20
  21 #define TC_M68HC11
  22 #define TC_M68HC12
  23
  24 #ifdef ANSI_PROTOTYPES
  25 struct fix;
  26 #endif
  27
  28 /* Define TC_M68K so that we can use the MRI mode.  */
  29 #define TC_M68K
  30
  31 #define TARGET_BYTES_BIG_ENDIAN 1
  32
  33 /* Motorola assembler specs does not require '.' before pseudo-ops.  */
  34 #define NO_PSEUDO_DOT 1
  35
  36 #if 0
  37 /* Treat the single quote as a string delimiter.
  38    ??? This does not work at all.  */
  39 #define SINGLE_QUOTE_STRINGS 1
  40 #endif
  41
  42 #ifndef BFD_ASSEMBLER
  43 #error M68HC11 support requires BFD_ASSEMBLER
  44 #endif
  45
  46 /* The target BFD architecture.  */
  47 #define TARGET_ARCH (m68hc11_arch ())
  48 extern enum bfd_architecture m68hc11_arch PARAMS ((void));
  49
  50 #define TARGET_MACH (m68hc11_mach ())
  51 extern int m68hc11_mach PARAMS ((void));
  52
  53 #define TARGET_FORMAT (m68hc11_arch_format ())
  54 extern const char *m68hc11_arch_format PARAMS ((void));
  55
  56 /* Specific sections:
  57    - The .page0 is a data section that is mapped in [0x0000..0x00FF].
  58      Page0 accesses are faster on the M68HC11. Soft registers used by GCC-m6811
  59      are located in .page0.
  60    - The .vectors is the data section that represents the interrupt
  61      vectors.  */
  62 #define ELF_TC_SPECIAL_SECTIONS \
  63   { ".eeprom",  SHT_PROGBITS,   SHF_ALLOC + SHF_WRITE   }, \
  64   { ".softregs",SHT_NOBITS,     SHF_ALLOC + SHF_WRITE   }, \
  65   { ".page0",   SHT_PROGBITS,   SHF_ALLOC + SHF_WRITE   }, \
  66   { ".vectors", SHT_PROGBITS,   SHF_ALLOC + SHF_WRITE   },
  67
  68 #define LISTING_WORD_SIZE 1     /* A word is 1 bytes */
  69 #define LISTING_LHS_WIDTH 4     /* One word on the first line */
  70 #define LISTING_LHS_WIDTH_SECOND 4      /* One word on the second line */
  71 #define LISTING_LHS_CONT_LINES 4        /* And 4 lines max */
  72 #define LISTING_HEADER m68hc11_listing_header ()
  73 extern const char *m68hc11_listing_header PARAMS ((void));
  74
  75 /* Permit temporary numeric labels.  */
  76 #define LOCAL_LABELS_FB 1
  77
  78 #define tc_init_after_args m68hc11_init_after_args
  79 extern void m68hc11_init_after_args PARAMS ((void));
  80
  81 #define md_parse_long_option m68hc11_parse_long_option
  82 extern int m68hc11_parse_long_option PARAMS ((char *));
  83
  84 #define DWARF2_LINE_MIN_INSN_LENGTH 1
  85
  86 /* We don't need to handle .word strangely.  */
  87 #define WORKING_DOT_WORD
  88
  89 #define md_number_to_chars           number_to_chars_bigendian
  90
  91 /* Relax table to translate short relative branches (-128..127) into
  92    absolute branches.  */
  93 #define TC_GENERIC_RELAX_TABLE md_relax_table
  94 extern struct relax_type md_relax_table[];
  95
  96 /* GAS only handles relaxations for pc-relative data targeting addresses
  97    in the same segment, so we have to handle the rest on our own.  */
  98 #define md_relax_frag(SEG, FRAGP, STRETCH)              \
  99  ((FRAGP)->fr_symbol != NULL                            \
 100   && S_GET_SEGMENT ((FRAGP)->fr_symbol) == (SEG)        \
 101   ? relax_frag (SEG, FRAGP, STRETCH)                    \
 102   : m68hc11_relax_frag (SEG, FRAGP, STRETCH))
 103 extern long m68hc11_relax_frag PARAMS ((segT, fragS*, long));
 104
 105 #define TC_HANDLES_FX_DONE
 106
 107 #define DIFF_EXPR_OK            /* .-foo gets turned into PC relative relocs */
 108
 109 /* Values passed to md_apply_fix3 don't include the symbol value.  */
 110 #define MD_APPLY_SYM_VALUE(FIX) 0
 111
 112 /* No shared lib support, so we don't need to ensure externally
 113    visible symbols can be overridden.  */
 114 #define EXTERN_FORCE_RELOC 0
 115
 116 #define TC_FORCE_RELOCATION(fix) tc_m68hc11_force_relocation (fix)
 117 extern int tc_m68hc11_force_relocation PARAMS ((struct fix *));
 118
 119 #define tc_fix_adjustable(X) tc_m68hc11_fix_adjustable(X)
 120 extern int tc_m68hc11_fix_adjustable PARAMS ((struct fix *));
 121
 122 #define md_operand(x)
 123 #define tc_frob_label(sym) do {\
 124   S_SET_VALUE (sym, (valueT) frag_now_fix ()); \
 125 } while (0)
 126
 127 #define elf_tc_final_processing m68hc11_elf_final_processing
 128 extern void m68hc11_elf_final_processing PARAMS ((void));
 129
 130 #define tc_print_statistics(FILE) m68hc11_print_statistics (FILE)
 131 extern void m68hc11_print_statistics PARAMS ((FILE *));