[thirdparty/binutils-gdb.git] / gas / config / tc-cr16.h

/* tc-cr16.h -- Header file for tc-cr16.c, the CR16 GAS port.
   Copyright (C) 2007-2020 Free Software Foundation, Inc.

   Contributed by M R Swami Reddy <MR.Swami.Reddy@nsc.com>

   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_CR16_H
#define TC_CR16_H

#define TC_CR16 1

#define TARGET_BYTES_BIG_ENDIAN 0

#define GLOBAL_OFFSET_TABLE_NAME "_GLOBAL_OFFSET_TABLE_"

#define TARGET_FORMAT "elf32-cr16"
#define TARGET_ARCH   bfd_arch_cr16

#define WORKING_DOT_WORD
#define LOCAL_LABEL_PREFIX '.'

#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) cr16_force_relocation (FIXP)
extern int cr16_force_relocation (struct fix *);

/* Fixup non-code sections since we will never relax them.  */
#define TC_LINKRELAX_FIXUP(seg) \
  ((seg->flags & (SEC_ALLOC | SEC_CODE)) == (SEC_ALLOC | SEC_CODE))

/* CR16 instructions, with operands included, are a multiple
   of two bytes long.  */
#define DWARF2_LINE_MIN_INSN_LENGTH 2

extern void cr16_cons_fix_new (struct frag *, int, int, struct expressionS *,
			       bfd_reloc_code_real_type);
/* 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 CR16 reloc type specially, rather than the BFD_RELOC type.  */
#define TC_CONS_FIX_NEW(FRAG, OFF, LEN, EXP, RELOC)	\
  cr16_cons_fix_new (FRAG, OFF, LEN, EXP, RELOC)

/* 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_CR16_H */
Commit	Line	Data
3d3d428f	1	/* tc-cr16.h -- Header file for tc-cr16.c, the CR16 GAS port.
b3adc24a	2	Copyright (C) 2007-2020 Free Software Foundation, Inc.
3d3d428f NC	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
ec2655a6	10	the Free Software Foundation; either version 3, or (at your option)
3d3d428f NC	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
0b9e228a SR	30	#define GLOBAL_OFFSET_TABLE_NAME "_GLOBAL_OFFSET_TABLE_"
0b9e228a SR	31
3d3d428f NC	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
3d3d428f NC	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
c1a6351f AM	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))
3d3d428f NC	55
	56	/* CR16 instructions, with operands included, are a multiple
	57	of two bytes long. */
	58	#define DWARF2_LINE_MIN_INSN_LENGTH 2
	59
62ebcb5c AM	60	extern void cr16_cons_fix_new (struct frag , int, int, struct expressionS ,
62ebcb5c AM	61	bfd_reloc_code_real_type);
3d3d428f	62	/* This is called by emit_expr when creating a reloc for a cons.
3739860c	63	We could use the definition there, except that we want to handle
3d3d428f	64	the CR16 reloc type specially, rather than the BFD_RELOC type. */
62ebcb5c AM	65	#define TC_CONS_FIX_NEW(FRAG, OFF, LEN, EXP, RELOC) \
62ebcb5c AM	66	cr16_cons_fix_new (FRAG, OFF, LEN, EXP, RELOC)
3d3d428f	67
3739860c	68	/* Give an error if a frag containing code is not aligned to a 2-byte
3d3d428f NC	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 */