| 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 */ |