gas/config/tc-arc.h

   1 /* tc-arc.h - Macros and type defines for the ARC.
   2    Copyright 1994, 1995, 1997, 2000, 2001, 2002, 2005, 2007
   3    Free Software Foundation, Inc.
   4    Contributed by Doug Evans (dje@cygnus.com).
   5
   6    This file is part of GAS, the GNU Assembler.
   7
   8    GAS is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as
  10    published by the Free Software Foundation; either version 3,
  11    or (at your option) any later version.
  12
  13    GAS is distributed in the hope that it will be useful, but
  14    WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
  16    the GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with GAS; see the file COPYING.  If not, write to the Free
  20    Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
  21    02110-1301, USA.  */
  22
  23 #define TC_ARC 1
  24
  25 #define TARGET_BYTES_BIG_ENDIAN 0
  26
  27 #define LOCAL_LABELS_FB 1
  28
  29 #define TARGET_ARCH bfd_arch_arc
  30
  31 #define DIFF_EXPR_OK
  32 #define REGISTER_PREFIX '%'
  33
  34 #ifdef LITTLE_ENDIAN
  35 #undef LITTLE_ENDIAN
  36 #endif
  37
  38 #ifdef BIG_ENDIAN
  39 #undef BIG_ENDIAN
  40 #endif
  41
  42 #define LITTLE_ENDIAN   1234
  43
  44 #define BIG_ENDIAN      4321
  45
  46 /* The endianness of the target format may change based on command
  47    line arguments.  */
  48 extern const char * arc_target_format;
  49
  50 #define DEFAULT_TARGET_FORMAT  "elf32-littlearc"
  51 #define TARGET_FORMAT          arc_target_format
  52 #define DEFAULT_BYTE_ORDER     LITTLE_ENDIAN
  53 #define WORKING_DOT_WORD
  54 #define LISTING_HEADER         "ARC GAS "
  55
  56 /* The ARC needs to parse reloc specifiers in .word.  */
  57
  58 extern void arc_parse_cons_expression (struct expressionS *, unsigned);
  59 #define TC_PARSE_CONS_EXPRESSION(EXP, NBYTES) \
  60   arc_parse_cons_expression (EXP, NBYTES)
  61
  62 extern void arc_cons_fix_new (struct frag *, int, int, struct expressionS *);
  63 #define TC_CONS_FIX_NEW(FRAG, WHERE, NBYTES, EXP) \
  64   arc_cons_fix_new (FRAG, WHERE, NBYTES, EXP)
  65
  66 #define DWARF2_LINE_MIN_INSN_LENGTH 4
  67
  68 /* Values passed to md_apply_fix don't include the symbol value.  */
  69 #define MD_APPLY_SYM_VALUE(FIX) 0
  70
  71 /* No shared lib support, so we don't need to ensure externally
  72    visible symbols can be overridden.  */
  73 #define EXTERN_FORCE_RELOC 0