1 /* tc-cr16.h -- Header file for tc-cr16.c, the CR16 GAS port. 2 Copyright (C) 2007-2016 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 3, 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 GLOBAL_OFFSET_TABLE_NAME "_GLOBAL_OFFSET_TABLE_" 31 32 #define TARGET_FORMAT "elf32-cr16" 33 #define TARGET_ARCH bfd_arch_cr16 34 35 #define WORKING_DOT_WORD 36 #define LOCAL_LABEL_PREFIX '.' 37 38 #define md_number_to_chars number_to_chars_littleendian 39 40 /* We do relaxing in the assembler as well as the linker. */ 41 extern const struct relax_type md_relax_table[]; 42 #define TC_GENERIC_RELAX_TABLE md_relax_table 43 44 /* We do not want to adjust any relocations to make implementation of 45 linker relaxations easier. */ 46 #define tc_fix_adjustable(fixP) 0 47 48 /* We need to force out some relocations when relaxing. */ 49 #define TC_FORCE_RELOCATION(FIXP) cr16_force_relocation (FIXP) 50 extern int cr16_force_relocation (struct fix *); 51 52 /* Fixup non-code sections since we will never relax them. */ 53 #define TC_LINKRELAX_FIXUP(seg) \ 54 ((seg->flags & (SEC_ALLOC | SEC_CODE)) == (SEC_ALLOC | SEC_CODE)) 55 56 /* CR16 instructions, with operands included, are a multiple 57 of two bytes long. */ 58 #define DWARF2_LINE_MIN_INSN_LENGTH 2 59 60 extern void cr16_cons_fix_new (struct frag *, int, int, struct expressionS *, 61 bfd_reloc_code_real_type); 62 /* This is called by emit_expr when creating a reloc for a cons. 63 We could use the definition there, except that we want to handle 64 the CR16 reloc type specially, rather than the BFD_RELOC type. */ 65 #define TC_CONS_FIX_NEW(FRAG, OFF, LEN, EXP, RELOC) \ 66 cr16_cons_fix_new (FRAG, OFF, LEN, EXP, RELOC) 67 68 /* Give an error if a frag containing code is not aligned to a 2-byte 69 boundary. */ 70 #define md_frag_check(FRAGP) \ 71 if ((FRAGP)->has_code \ 72 && (((FRAGP)->fr_address + (FRAGP)->insn_addr) & 1) != 0) \ 73 as_bad_where ((FRAGP)->fr_file, (FRAGP)->fr_line, \ 74 _("instruction address is not a multiple of 2")); 75 76 #endif /* TC_CR16_H */ 77