1 /* tc-arc.h - Macros and type defines for the ARC. 2 Copyright 1994, 1995, 1997, 2000, 2001, 2002, 2005 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 2, 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 74