TI C54x target.

1 files changed, 128 insertions, 0 deletions

diff --git a/gas/config/tc-tic54x.h b/gas/config/tc-tic54x.h
new file mode 100644
index 0000000..6a41cdc
--- /dev/null
+++ b/gas/config/tc-tic54x.h
@@ -0,0 +1,128 @@
+/* tc-tic54x.h -- Header file for tc-tic54x.c
+   Copyright (C) 1999, 2000 Free Software Foundation.
+   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 2, 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, 59 Temple Place - Suite 330, Boston, MA
+   02111-1307, 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 BFD_ARCH                TARGET_ARCH
+
+#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
+
+/* We need the extra field in the fixup struct to put the relocation in. */
+
+#define NEED_FX_R_TYPE
+
+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 PARAMS((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 PARAMS((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 PARAMS((char *, valueT, int));
+#define tc_adjust_symtab() tic54x_adjust_symtab()
+extern void tic54x_adjust_symtab PARAMS(());
+#define tc_unrecognized_line(ch) tic54x_unrecognized_line(ch)
+extern int tic54x_unrecognized_line PARAMS((int ch));
+#define md_parse_name(s,e) tic54x_parse_name(s,e)
+extern int tic54x_parse_name PARAMS((char *name, expressionS *e));
+#define md_undefined_symbol(s) tic54x_undefined_symbol(s)
+extern symbolS *tic54x_undefined_symbol PARAMS((char *name));
+#define md_macro_start() tic54x_macro_start()
+extern void tic54x_macro_start ();
+#define md_macro_end() tic54x_macro_end()
+extern void tic54x_macro_end ();
+#define md_macro_info(args) tic54x_macro_info(args)
+extern void tic54x_macro_info PARAMS((void *macro));
+#define tc_frob_label(sym) tic54x_define_label (sym)
+extern void tic54x_define_label PARAMS((symbolS *));
+
+#define md_start_line_hook() tic54x_start_line_hook() 
+extern void tic54x_start_line_hook ();
+
+#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(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
+
+#endif