2007-06-29 14:09:34 +00:00
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/* tc-cr16.h -- Header file for tc-cr16.c, the CR16 GAS port.
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2009-09-02 07:25:43 +00:00
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Copyright 2007, 2008, 2009 Free Software Foundation, Inc.
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2007-06-29 14:09:34 +00:00
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Contributed by M R Swami Reddy <MR.Swami.Reddy@nsc.com>
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This file is part of GAS, the GNU Assembler.
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GAS is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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2007-07-03 11:01:12 +00:00
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the Free Software Foundation; either version 3, or (at your option)
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2007-06-29 14:09:34 +00:00
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any later version.
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GAS is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GAS; see the file COPYING. If not, write to the
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Free Software Foundation, 51 Franklin Street - Fifth Floor, Boston,
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MA 02110-1301, USA. */
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#ifndef TC_CR16_H
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#define TC_CR16_H
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#define TC_CR16 1
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#define TARGET_BYTES_BIG_ENDIAN 0
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2008-11-27 11:57:29 +00:00
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#define GLOBAL_OFFSET_TABLE_NAME "_GLOBAL_OFFSET_TABLE_"
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2007-06-29 14:09:34 +00:00
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#define TARGET_FORMAT "elf32-cr16"
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#define TARGET_ARCH bfd_arch_cr16
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#define WORKING_DOT_WORD
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#define LOCAL_LABEL_PREFIX '.'
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#define md_number_to_chars number_to_chars_littleendian
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/* We do relaxing in the assembler as well as the linker. */
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extern const struct relax_type md_relax_table[];
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#define TC_GENERIC_RELAX_TABLE md_relax_table
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/* We do not want to adjust any relocations to make implementation of
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linker relaxations easier. */
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#define tc_fix_adjustable(fixP) 0
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/* We need to force out some relocations when relaxing. */
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#define TC_FORCE_RELOCATION(FIXP) cr16_force_relocation (FIXP)
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extern int cr16_force_relocation (struct fix *);
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2009-07-04 01:50:44 +00:00
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/* Fixup non-code sections since we will never relax them. */
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#define TC_LINKRELAX_FIXUP(seg) \
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((seg->flags & (SEC_ALLOC | SEC_CODE)) == (SEC_ALLOC | SEC_CODE))
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2007-06-29 14:09:34 +00:00
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/* CR16 instructions, with operands included, are a multiple
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of two bytes long. */
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#define DWARF2_LINE_MIN_INSN_LENGTH 2
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extern void cr16_cons_fix_new (struct frag *, int, int, struct expressionS *);
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/* This is called by emit_expr when creating a reloc for a cons.
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We could use the definition there, except that we want to handle
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the CR16 reloc type specially, rather than the BFD_RELOC type. */
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#define TC_CONS_FIX_NEW(FRAG, OFF, LEN, EXP) \
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cr16_cons_fix_new (FRAG, OFF, LEN, EXP)
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/* Give an error if a frag containing code is not aligned to a 2-byte
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boundary. */
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#define md_frag_check(FRAGP) \
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if ((FRAGP)->has_code \
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&& (((FRAGP)->fr_address + (FRAGP)->insn_addr) & 1) != 0) \
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as_bad_where ((FRAGP)->fr_file, (FRAGP)->fr_line, \
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_("instruction address is not a multiple of 2"));
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#endif /* TC_CR16_H */
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