gas/config/tc-arc.h

   1 /* tc-arc.h - Macros and type defines for the ARC.
   2    Copyright (C) 1994-2015 Free Software Foundation, Inc.
   3    Contributed by Doug Evans (dje@cygnus.com).
   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
   9    published by the Free Software Foundation; either version 3,
  10    or (at your option) any later version.
  11
  12    GAS is distributed in the hope that it will be useful, but
  13    WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
  15    the 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 #define TC_ARC 1
  23
  24 #define TARGET_BYTES_BIG_ENDIAN 0
  25
  26 #define LOCAL_LABELS_FB 1
  27
  28 #define TARGET_ARCH bfd_arch_arc
  29
  30 #define DIFF_EXPR_OK
  31 #define REGISTER_PREFIX '%'
  32
  33 #ifdef LITTLE_ENDIAN
  34 #undef LITTLE_ENDIAN
  35 #endif
  36
  37 #ifdef BIG_ENDIAN
  38 #undef BIG_ENDIAN
  39 #endif
  40
  41 #define LITTLE_ENDIAN   1234
  42
  43 #define BIG_ENDIAN      4321
  44
  45 /* The endianness of the target format may change based on command
  46    line arguments.  */
  47 extern const char * arc_target_format;
  48
  49 #define DEFAULT_TARGET_FORMAT  "elf32-littlearc"
  50 #define TARGET_FORMAT          arc_target_format
  51 #define DEFAULT_BYTE_ORDER     LITTLE_ENDIAN
  52 #define WORKING_DOT_WORD
  53 #define LISTING_HEADER         "ARC GAS "
  54
  55 /* The ARC needs to parse reloc specifiers in .word.  */
  56
  57 extern bfd_reloc_code_real_type arc_parse_cons_expression (struct expressionS *,
  58                                                            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                               bfd_reloc_code_real_type);
  64 #define TC_CONS_FIX_NEW(FRAG, WHERE, NBYTES, EXP, RELOC)        \
  65   arc_cons_fix_new (FRAG, WHERE, NBYTES, EXP, RELOC)
  66
  67 #define DWARF2_LINE_MIN_INSN_LENGTH 4
  68
  69 /* Values passed to md_apply_fix don't include the symbol value.  */
  70 #define MD_APPLY_SYM_VALUE(FIX) 0
  71
  72 /* No shared lib support, so we don't need to ensure externally
  73    visible symbols can be overridden.  */
  74 #define EXTERN_FORCE_RELOC 0