gas/config/tc-tic54x.h

   1 /* tc-tic54x.h -- Header file for tc-tic54x.c
   2    Copyright (C) 1999-2023 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 #undef LOCAL_LABELS_FB
  39
  40 /* accept 0FFFFh, 1010b, etc.  */
  41 #define NUMBERS_WITH_SUFFIX 1
  42 /* $ is section program counter */
  43 #define DOLLAR_DOT 1
  44 /* accept parallel lines like
  45        add #1,a  ||  ld #1, b
  46        (may also be split across lines)
  47 */
  48 #define DOUBLEBAR_PARALLEL 1
  49 /* affects preprocessor */
  50 #define KEEP_WHITE_AROUND_COLON 1
  51
  52 struct bit_info
  53 {
  54   segT seg;
  55 #define TYPE_SPACE 0
  56 #define TYPE_BES   1
  57 #define TYPE_FIELD 2
  58   int type;
  59   symbolS *sym;
  60   valueT value;
  61   char *where;
  62   int offset;
  63 };
  64
  65 /* We sometimes need to keep track of bit offsets within words */
  66 #define TC_FRAG_TYPE int
  67 #define TC_FRAG_INIT(FRAGP, MAX_BYTES) do {(FRAGP)->tc_frag_data = 0;}while (0)
  68
  69 /* Tell GAS whether the given token is indeed a code label.
  70    Note - we make of the knowledge that this macro will be called from
  71    read.c:read_a_source_file()  in that we also pass the local variable
  72    line_start.  */
  73 #define TC_START_LABEL_WITHOUT_COLON(NUL_CHAR, NEXT_CHAR) \
  74   tic54x_start_label (line_start, NUL_CHAR, NEXT_CHAR)
  75 extern int tic54x_start_label (char *, int, int);
  76
  77 /* custom handling for relocations in cons expressions */
  78 #define TC_CONS_FIX_NEW(FRAG, OFF, LEN, EXP, RELOC)     \
  79   tic54x_cons_fix_new (FRAG, OFF, LEN, EXP, RELOC)
  80 extern void tic54x_cons_fix_new (fragS *, int, int, expressionS *,
  81                                  bfd_reloc_code_real_type);
  82
  83 /* Define md_number_to_chars as the appropriate standard big endian or
  84    little endian function.  Mostly littleendian, but longwords and floats are
  85    stored MS word first.
  86 */
  87
  88 #define md_number_to_chars tic54x_number_to_chars
  89 extern void tic54x_number_to_chars (char *, valueT, int);
  90 #define tc_adjust_symtab() tic54x_adjust_symtab()
  91 extern void tic54x_adjust_symtab (void);
  92 #define tc_unrecognized_line(ch) tic54x_unrecognized_line(ch)
  93 extern int tic54x_unrecognized_line (int ch);
  94 #define md_parse_name(s,e,m,c) tic54x_parse_name(s,e)
  95 extern int tic54x_parse_name (char *name, expressionS *e);
  96 #define md_undefined_symbol(s) tic54x_undefined_symbol(s)
  97 extern symbolS *tic54x_undefined_symbol (char *name);
  98 #define md_macro_start() tic54x_macro_start()
  99 extern void tic54x_macro_start (void);
 100 #define md_macro_end() tic54x_macro_end()
 101 extern void tic54x_macro_end (void);
 102 #define md_macro_info(args) tic54x_macro_info(args)
 103 struct macro_struct;
 104 extern void tic54x_macro_info (const struct macro_struct *);
 105 #define tc_frob_label(sym) tic54x_define_label (sym)
 106 extern void tic54x_define_label (symbolS *);
 107
 108 #define md_start_line_hook() tic54x_start_line_hook()
 109 extern void tic54x_start_line_hook (void);
 110
 111 #define md_estimate_size_before_relax(f,s) \
 112 tic54x_estimate_size_before_relax(f,s)
 113 extern int tic54x_estimate_size_before_relax(fragS *, segT);
 114
 115 #define md_relax_frag(seg, f,s) tic54x_relax_frag(f,s)
 116 extern int tic54x_relax_frag(fragS *, long);
 117
 118 #define md_convert_frag(b,s,f)  tic54x_convert_frag(b,s,f)
 119 extern void tic54x_convert_frag(bfd *, segT, fragS *);
 120
 121 /* Other things we don't support...  */
 122
 123 /* Define away the call to md_operand in the expression parsing code.
 124    This is called whenever the expression parser can't parse the input
 125    and gives the assembler backend a chance to deal with it instead.  */
 126
 127 #define md_operand(X)
 128
 129 /* spruce up the listing output */
 130 #define LISTING_WORD_SIZE 2
 131
 132 extern void tic54x_global (int);
 133
 134 extern void tic54x_md_end (void);
 135 #define md_end tic54x_md_end
 136
 137 #endif