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Diffstat (limited to 'binutils-2.25/gas/config/tc-crx.h')
| -rw-r--r-- | binutils-2.25/gas/config/tc-crx.h | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/binutils-2.25/gas/config/tc-crx.h b/binutils-2.25/gas/config/tc-crx.h new file mode 100644 index 00000000..3036dc6e --- /dev/null +++ b/binutils-2.25/gas/config/tc-crx.h @@ -0,0 +1,78 @@ +/* tc-crx.h -- Header file for tc-crx.c, the CRX GAS port. + Copyright 2004, 2005, 2007 Free Software Foundation, Inc. + + Contributed by Tomer Levi, NSC, Israel. + Originally written for GAS 2.12 by Tomer Levi, NSC, Israel. + Updates, BFDizing, GNUifying and ELF support by Tomer Levi. + + This file is part of GAS, the GNU Assembler. + + GAS is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3, or (at your option) + any later version. + + GAS is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with GAS; see the file COPYING. If not, write to the + Free Software Foundation, 51 Franklin Street - Fifth Floor, Boston, + MA 02110-1301, USA. */ + +#ifndef TC_CRX_H +#define TC_CRX_H + +#define TC_CRX 1 + +#define TARGET_BYTES_BIG_ENDIAN 0 + +#define TARGET_FORMAT "elf32-crx" +#define TARGET_ARCH bfd_arch_crx + +#define WORKING_DOT_WORD +#define LOCAL_LABEL_PREFIX '.' + +#define md_undefined_symbol(s) 0 +#define md_number_to_chars number_to_chars_littleendian + +/* We do relaxing in the assembler as well as the linker. */ +extern const struct relax_type md_relax_table[]; +#define TC_GENERIC_RELAX_TABLE md_relax_table + +/* We do not want to adjust any relocations to make implementation of + linker relaxations easier. */ +#define tc_fix_adjustable(fixP) 0 + +/* We need to force out some relocations when relaxing. */ +#define TC_FORCE_RELOCATION(FIXP) crx_force_relocation (FIXP) +extern int crx_force_relocation (struct fix *); + +/* Fixup debug sections since we will never relax them. */ +#define TC_LINKRELAX_FIXUP(seg) (seg->flags & SEC_ALLOC) + +/* CRX instructions, with operands included, are a multiple + of two bytes long. */ +#define DWARF2_LINE_MIN_INSN_LENGTH 2 + +/* This is called by emit_expr when creating a reloc for a cons. + We could use the definition there, except that we want to handle + the CRX reloc type specially, rather than the BFD_RELOC type. */ +#define TC_CONS_FIX_NEW(FRAG, OFF, LEN, EXP) \ + fix_new_exp (FRAG, OFF, (int) LEN, EXP, 0, \ + LEN == 1 ? BFD_RELOC_CRX_NUM8 \ + : LEN == 2 ? BFD_RELOC_CRX_NUM16 \ + : LEN == 4 ? BFD_RELOC_CRX_NUM32 \ + : BFD_RELOC_NONE); + +/* Give an error if a frag containing code is not aligned to a 2-byte + boundary. */ +#define md_frag_check(FRAGP) \ + if ((FRAGP)->has_code \ + && (((FRAGP)->fr_address + (FRAGP)->insn_addr) & 1) != 0) \ + as_bad_where ((FRAGP)->fr_file, (FRAGP)->fr_line, \ + _("instruction address is not a multiple of 2")); + +#endif /* TC_CRX_H */ |