mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-12-21 04:42:53 +08:00
80 lines
2.8 KiB
C
80 lines
2.8 KiB
C
/* tc-crx.h -- Header file for tc-crx.c, the CRX GAS port.
|
|
Copyright (C) 2004-2021 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, RELOC) \
|
|
(void) RELOC, \
|
|
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 */
|