1/* tc-cr16.h -- Header file for tc-cr16.c, the CR16 GAS port. 2 Copyright 2007 Free Software Foundation, Inc. 3 4 Contributed by M R Swami Reddy <MR.Swami.Reddy@nsc.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 published by 10 the Free Software Foundation; either version 2, or (at your option) 11 any later version. 12 13 GAS is distributed in the hope that it will be useful, 14 but WITHOUT ANY WARRANTY; without even the implied warranty of 15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 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 20 Free Software Foundation, 51 Franklin Street - Fifth Floor, Boston, 21 MA 02110-1301, USA. */ 22 23#ifndef TC_CR16_H 24#define TC_CR16_H 25 26#define TC_CR16 1 27 28#define TARGET_BYTES_BIG_ENDIAN 0 29 30#define TARGET_FORMAT "elf32-cr16" 31#define TARGET_ARCH bfd_arch_cr16 32 33#define WORKING_DOT_WORD 34#define LOCAL_LABEL_PREFIX '.' 35 36#define md_undefined_symbol(s) 0 37#define md_number_to_chars number_to_chars_littleendian 38 39/* We do relaxing in the assembler as well as the linker. */ 40extern const struct relax_type md_relax_table[]; 41#define TC_GENERIC_RELAX_TABLE md_relax_table 42 43/* We do not want to adjust any relocations to make implementation of 44 linker relaxations easier. */ 45#define tc_fix_adjustable(fixP) 0 46 47/* We need to force out some relocations when relaxing. */ 48#define TC_FORCE_RELOCATION(FIXP) cr16_force_relocation (FIXP) 49extern int cr16_force_relocation (struct fix *); 50 51/* Fixup debug sections since we will never relax them. */ 52#define TC_LINKRELAX_FIXUP(seg) (seg->flags & SEC_ALLOC) 53 54/* CR16 instructions, with operands included, are a multiple 55 of two bytes long. */ 56#define DWARF2_LINE_MIN_INSN_LENGTH 2 57 58extern void cr16_cons_fix_new (struct frag *, int, int, struct expressionS *); 59/* This is called by emit_expr when creating a reloc for a cons. 60 We could use the definition there, except that we want to handle 61 the CR16 reloc type specially, rather than the BFD_RELOC type. */ 62#define TC_CONS_FIX_NEW(FRAG, OFF, LEN, EXP) \ 63 cr16_cons_fix_new (FRAG, OFF, LEN, EXP) 64 65/* Give an error if a frag containing code is not aligned to a 2-byte 66 boundary. */ 67#define md_frag_check(FRAGP) \ 68 if ((FRAGP)->has_code \ 69 && (((FRAGP)->fr_address + (FRAGP)->insn_addr) & 1) != 0) \ 70 as_bad_where ((FRAGP)->fr_file, (FRAGP)->fr_line, \ 71 _("instruction address is not a multiple of 2")); 72 73#endif /* TC_CR16_H */ 74