Subversion Repositories openrisc

/* tc-tic54x.h -- Header file for tc-tic54x.c

   Copyright 1999, 2000, 2001, 2005, 2007, 2008 Free Software Foundation, Inc.

   Contributed by Timothy Wall (twall@alum.mit.edu)

   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 3, 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, 51 Franklin Street - Fifth Floor, Boston, MA

   02110-1301, USA.  */

#ifndef _TC_TIC54X_H_

#define _TC_TIC54X_H_

/* select the proper coff format (see obj-coff.h) */

#define TC_TIC54X

#define TARGET_BYTES_BIG_ENDIAN 0

#define OCTETS_PER_BYTE_POWER 1

#define TARGET_ARCH             bfd_arch_tic54x

#define WORKING_DOT_WORD        1

#define MAX_OPERANDS 4

#define PARALLEL_SEPARATOR '|'

#define LABELS_WITHOUT_COLONS 1

/* accept 0FFFFh, 1010b, etc.  */

#define NUMBERS_WITH_SUFFIX 1

/* $ is section program counter */

#define DOLLAR_DOT 1

/* accept parallel lines like

       add #1,a  ||  ld #1, b

       (may also be split across lines)

*/

#define DOUBLEBAR_PARALLEL 1

/* affects preprocessor */

#define KEEP_WHITE_AROUND_COLON 1

struct bit_info

{

  segT seg;

#define TYPE_SPACE 0

#define TYPE_BES   1

#define TYPE_FIELD 2

  int type;

  symbolS *sym;

  valueT value;

  char *where;

  int offset;

};

/* We sometimes need to keep track of bit offsets within words */

#define TC_FRAG_TYPE int

#define TC_FRAG_INIT(FRAGP) do {(FRAGP)->tc_frag_data = 0;}while (0)

/* tell GAS whether the given token is indeed a code label */

#define TC_START_LABEL_WITHOUT_COLON(c,ptr) tic54x_start_label(c,ptr)

extern int tic54x_start_label (int, char *);

/* custom handling for relocations in cons expressions */

#define TC_CONS_FIX_NEW(FRAG,OFF,LEN,EXP) tic54x_cons_fix_new(FRAG,OFF,LEN,EXP)

extern void tic54x_cons_fix_new (fragS *,int,int,expressionS *);

/* Define md_number_to_chars as the appropriate standard big endian or

   little endian function.  Mostly littleendian, but longwords and floats are

   stored MS word first.

*/

#define md_number_to_chars tic54x_number_to_chars

extern void tic54x_number_to_chars (char *, valueT, int);

#define tc_adjust_symtab() tic54x_adjust_symtab()

extern void tic54x_adjust_symtab (void);

#define tc_unrecognized_line(ch) tic54x_unrecognized_line(ch)

extern int tic54x_unrecognized_line (int ch);

#define md_parse_name(s,e,m,c) tic54x_parse_name(s,e)

extern int tic54x_parse_name (char *name, expressionS *e);

#define md_undefined_symbol(s) tic54x_undefined_symbol(s)

extern symbolS *tic54x_undefined_symbol (char *name);

#define md_macro_start() tic54x_macro_start()

extern void tic54x_macro_start (void);

#define md_macro_end() tic54x_macro_end()

extern void tic54x_macro_end (void);

#define md_macro_info(args) tic54x_macro_info(args)

struct macro_struct;

extern void tic54x_macro_info (const struct macro_struct *);

#define tc_frob_label(sym) tic54x_define_label (sym)

extern void tic54x_define_label (symbolS *);

#define md_start_line_hook() tic54x_start_line_hook()

extern void tic54x_start_line_hook (void);

#define md_estimate_size_before_relax(f,s) \

tic54x_estimate_size_before_relax(f,s)

extern int tic54x_estimate_size_before_relax(fragS *, segT);

#define md_relax_frag(seg, f,s) tic54x_relax_frag(f,s)

extern int tic54x_relax_frag(fragS *, long);

#define md_convert_frag(b,s,f)  tic54x_convert_frag(b,s,f)

extern void tic54x_convert_frag(bfd *, segT, fragS *);

/* Other things we don't support...  */

/* Define away the call to md_operand in the expression parsing code.

   This is called whenever the expression parser can't parse the input

   and gives the assembler backend a chance to deal with it instead.  */

#define md_operand(X)

/* spruce up the listing output */

#define LISTING_WORD_SIZE 2

extern void tic54x_global (int);

#endif