gas/config/tc-tic54x.h

   1 /* tc-tic54x.h -- Header file for tc-tic54x.c
   2    Copyright 1999, 2000, 2001, 2007 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 3, 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
  33 #define WORKING_DOT_WORD        1
  34
  35 #define MAX_OPERANDS 4
  36 #define PARALLEL_SEPARATOR '|'
  37 #define LABELS_WITHOUT_COLONS 1
  38 /* accept 0FFFFh, 1010b, etc.  */
  39 #define NUMBERS_WITH_SUFFIX 1
  40 /* $ is section program counter */
  41 #define DOLLAR_DOT 1
  42 /* accept parallel lines like
  43        add #1,a  ||  ld #1, b
  44        (may also be split across lines)
  45 */
  46 #define DOUBLEBAR_PARALLEL 1
  47 /* affects preprocessor */
  48 #define KEEP_WHITE_AROUND_COLON 1
  49
  50 struct bit_info
  51 {
  52   segT seg;
  53 #define TYPE_SPACE 0
  54 #define TYPE_BES   1
  55 #define TYPE_FIELD 2
  56   int type;
  57   symbolS *sym;
  58   valueT value;
  59   char *where;
  60   int offset;
  61 };
  62
  63 /* We sometimes need to keep track of bit offsets within words */
  64 #define TC_FRAG_TYPE int
  65 #define TC_FRAG_INIT(FRAGP) do {(FRAGP)->tc_frag_data = 0;}while (0)
  66
  67 /* tell GAS whether the given token is indeed a code label */
  68 #define TC_START_LABEL_WITHOUT_COLON(c,ptr) tic54x_start_label(c,ptr)
  69 extern int tic54x_start_label PARAMS((int, char *));
  70
  71 /* custom handling for relocations in cons expressions */
  72 #define TC_CONS_FIX_NEW(FRAG,OFF,LEN,EXP) tic54x_cons_fix_new(FRAG,OFF,LEN,EXP)
  73 extern void tic54x_cons_fix_new PARAMS((fragS *,int,int,expressionS *));
  74
  75 /* Define md_number_to_chars as the appropriate standard big endian or
  76    little endian function.  Mostly littleendian, but longwords and floats are
  77    stored MS word first.
  78 */
  79
  80 #define md_number_to_chars tic54x_number_to_chars
  81 extern void tic54x_number_to_chars (char *, valueT, int);
  82 #define tc_adjust_symtab() tic54x_adjust_symtab()
  83 extern void tic54x_adjust_symtab (void);
  84 #define tc_unrecognized_line(ch) tic54x_unrecognized_line(ch)
  85 extern int tic54x_unrecognized_line (int ch);
  86 #define md_parse_name(s,e,m,c) tic54x_parse_name(s,e)
  87 extern int tic54x_parse_name (char *name, expressionS *e);
  88 #define md_undefined_symbol(s) tic54x_undefined_symbol(s)
  89 extern symbolS *tic54x_undefined_symbol (char *name);
  90 #define md_macro_start() tic54x_macro_start()
  91 extern void tic54x_macro_start (void);
  92 #define md_macro_end() tic54x_macro_end()
  93 extern void tic54x_macro_end (void);
  94 #define md_macro_info(args) tic54x_macro_info(args)
  95 struct macro_struct;
  96 extern void tic54x_macro_info PARAMS((const struct macro_struct *));
  97 #define tc_frob_label(sym) tic54x_define_label (sym)
  98 extern void tic54x_define_label PARAMS((symbolS *));
  99
 100 #define md_start_line_hook() tic54x_start_line_hook()
 101 extern void tic54x_start_line_hook (void);
 102
 103 #define md_estimate_size_before_relax(f,s) \
 104 tic54x_estimate_size_before_relax(f,s)
 105 extern int tic54x_estimate_size_before_relax(fragS *, segT);
 106
 107 #define md_relax_frag(seg, f,s) tic54x_relax_frag(f,s)
 108 extern int tic54x_relax_frag(fragS *, long);
 109
 110 #define md_convert_frag(b,s,f)  tic54x_convert_frag(b,s,f)
 111 extern void tic54x_convert_frag(bfd *, segT, fragS *);
 112
 113 /* Other things we don't support...  */
 114
 115 /* Define away the call to md_operand in the expression parsing code.
 116    This is called whenever the expression parser can't parse the input
 117    and gives the assembler backend a chance to deal with it instead.  */
 118
 119 #define md_operand(X)
 120
 121 /* spruce up the listing output */
 122 #define LISTING_WORD_SIZE 2
 123
 124 extern void tic54x_global (int);
 125
 126 #endif