gas/config/tc-tic54x.h

   1 /* tc-tic54x.h -- Header file for tc-tic54x.c
   2    Copyright 1999, 2000, 2001 Free Software Foundation, Inc.
   3    Contributed by Timothy Wall (twall@alum.mit.edu)
   4
   5    This file is part of GAS, the GNU Assembler.
   6
   7    GAS is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 2, or (at your option)
  10    any later version.
  11
  12    GAS is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with GAS; see the file COPYING.  If not, write to the Free
  19    Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
  20    02110-1301, USA.  */
  21
  22 #ifndef _TC_TIC54X_H_
  23 #define _TC_TIC54X_H_
  24
  25 /* select the proper coff format (see obj-coff.h) */
  26 #define TC_TIC54X
  27
  28 #define TARGET_BYTES_BIG_ENDIAN 0
  29 #define OCTETS_PER_BYTE_POWER 1
  30
  31 #define TARGET_ARCH             bfd_arch_tic54x
  32 #define BFD_ARCH                TARGET_ARCH
  33
  34 #define WORKING_DOT_WORD        1
  35
  36 #define MAX_OPERANDS 4
  37 #define PARALLEL_SEPARATOR '|'
  38 #define LABELS_WITHOUT_COLONS 1
  39 /* accept 0FFFFh, 1010b, etc.  */
  40 #define NUMBERS_WITH_SUFFIX 1
  41 /* $ is section program counter */
  42 #define DOLLAR_DOT 1
  43 /* accept parallel lines like
  44        add #1,a  ||  ld #1, b
  45        (may also be split across lines)
  46 */
  47 #define DOUBLEBAR_PARALLEL 1
  48 /* affects preprocessor */
  49 #define KEEP_WHITE_AROUND_COLON 1
  50
  51 /* We need the extra field in the fixup struct to put the relocation in.  */
  52
  53 #define NEED_FX_R_TYPE
  54
  55 struct bit_info
  56 {
  57   segT seg;
  58 #define TYPE_SPACE 0
  59 #define TYPE_BES   1
  60 #define TYPE_FIELD 2
  61   int type;
  62   symbolS *sym;
  63   valueT value;
  64   char *where;
  65   int offset;
  66 };
  67
  68 /* We sometimes need to keep track of bit offsets within words */
  69 #define TC_FRAG_TYPE int
  70 #define TC_FRAG_INIT(FRAGP) do {(FRAGP)->tc_frag_data = 0;}while (0)
  71
  72 /* tell GAS whether the given token is indeed a code label */
  73 #define TC_START_LABEL_WITHOUT_COLON(c,ptr) tic54x_start_label(c,ptr)
  74 extern int tic54x_start_label PARAMS((int, char *));
  75
  76 /* custom handling for relocations in cons expressions */
  77 #define TC_CONS_FIX_NEW(FRAG,OFF,LEN,EXP) tic54x_cons_fix_new(FRAG,OFF,LEN,EXP)
  78 extern void tic54x_cons_fix_new PARAMS((fragS *,int,int,expressionS *));
  79
  80 /* Define md_number_to_chars as the appropriate standard big endian or
  81    little endian function.  Mostly littleendian, but longwords and floats are
  82    stored MS word first.
  83 */
  84
  85 #define md_number_to_chars tic54x_number_to_chars
  86 extern void tic54x_number_to_chars (char *, valueT, int);
  87 #define tc_adjust_symtab() tic54x_adjust_symtab()
  88 extern void tic54x_adjust_symtab (void);
  89 #define tc_unrecognized_line(ch) tic54x_unrecognized_line(ch)
  90 extern int tic54x_unrecognized_line (int ch);
  91 #define md_parse_name(s,e,c) tic54x_parse_name(s,e)
  92 extern int tic54x_parse_name (char *name, expressionS *e);
  93 #define md_undefined_symbol(s) tic54x_undefined_symbol(s)
  94 extern symbolS *tic54x_undefined_symbol (char *name);
  95 #define md_macro_start() tic54x_macro_start()
  96 extern void tic54x_macro_start (void);
  97 #define md_macro_end() tic54x_macro_end()
  98 extern void tic54x_macro_end (void);
  99 #define md_macro_info(args) tic54x_macro_info(args)
 100 struct macro_struct;
 101 extern void tic54x_macro_info PARAMS((const struct macro_struct *));
 102 #define tc_frob_label(sym) tic54x_define_label (sym)
 103 extern void tic54x_define_label PARAMS((symbolS *));
 104
 105 #define md_start_line_hook() tic54x_start_line_hook()
 106 extern void tic54x_start_line_hook (void);
 107
 108 #define md_estimate_size_before_relax(f,s) \
 109 tic54x_estimate_size_before_relax(f,s)
 110 extern int tic54x_estimate_size_before_relax(fragS *, segT);
 111
 112 #define md_relax_frag(seg, f,s) tic54x_relax_frag(f,s)
 113 extern int tic54x_relax_frag(fragS *, long);
 114
 115 #define md_convert_frag(b,s,f)  tic54x_convert_frag(b,s,f)
 116 extern void tic54x_convert_frag(bfd *, segT, fragS *);
 117
 118 /* Other things we don't support...  */
 119
 120 /* Define away the call to md_operand in the expression parsing code.
 121    This is called whenever the expression parser can't parse the input
 122    and gives the assembler backend a chance to deal with it instead.  */
 123
 124 #define md_operand(X)
 125
 126 /* spruce up the listing output */
 127 #define LISTING_WORD_SIZE 2
 128
 129 extern void tic54x_global (int);
 130
 131 #endif