[thirdparty/binutils-gdb.git] / bfd / elfxx-loongarch.h

/* LoongArch-specific backend routines.
   Copyright (C) 2021-2023 Free Software Foundation, Inc.
   Contributed by Loongson Ltd.

   This file is part of BFD, the Binary File Descriptor library.

   This program 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 of the License, or
   (at your option) any later version.

   This program 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 this program; see the file COPYING3.  If not,
   see <http://www.gnu.org/licenses/>.  */

#include "elf/common.h"
#include "elf/internal.h"

extern reloc_howto_type *
loongarch_elf_rtype_to_howto (bfd *abfd, unsigned int r_type);

extern reloc_howto_type *
loongarch_reloc_type_lookup (bfd *abfd, bfd_reloc_code_real_type code);

extern reloc_howto_type *
loongarch_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED, const char *r_name);

extern bfd_reloc_code_real_type
loongarch_larch_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
				   const char *l_r_name);

bool
loongarch_adjust_reloc_bitsfield (bfd *, reloc_howto_type *, bfd_vma *);
void
bfd_elf32_loongarch_set_data_segment_info (struct bfd_link_info *, int *);
void
bfd_elf64_loongarch_set_data_segment_info (struct bfd_link_info *, int *);

bfd_byte *
loongarch_write_unsigned_leb128 (bfd_byte *p, unsigned int len, bfd_vma value);

/* TRUE if this is a PLT reference to a local IFUNC.  */
#define PLT_LOCAL_IFUNC_P(INFO, H) \
  ((H)->dynindx == -1 \
   || ((bfd_link_executable (INFO) \
	|| ELF_ST_VISIBILITY ((H)->other) != STV_DEFAULT) \
	&& (H)->def_regular \
	&& (H)->type == STT_GNU_IFUNC))
Commit	Line	Data
e214f8db	1	/* LoongArch-specific backend routines.
d87bef3a	2	Copyright (C) 2021-2023 Free Software Foundation, Inc.
e214f8db	3	Contributed by Loongson Ltd.
	4
	5	This file is part of BFD, the Binary File Descriptor library.
	6
	7	This program is free software; you can redistribute it and/or modify
	8	it under the terms of the GNU General Public License as published by
	9	the Free Software Foundation; either version 3 of the License, or
	10	(at your option) any later version.
	11
	12	This program is distributed in the hope that it will be useful,
	13	but WITHOUT ANY WARRANTY; without even the implied warranty of
	14	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	15	GNU General Public License for more details.
	16
	17	You should have received a copy of the GNU General Public License
	18	along with this program; see the file COPYING3. If not,
	19	see <http://www.gnu.org/licenses/>. */
	20
	21	#include "elf/common.h"
	22	#include "elf/internal.h"
	23
	24	extern reloc_howto_type *
	25	loongarch_elf_rtype_to_howto (bfd *abfd, unsigned int r_type);
	26
	27	extern reloc_howto_type *
	28	loongarch_reloc_type_lookup (bfd *abfd, bfd_reloc_code_real_type code);
	29
	30	extern reloc_howto_type *
	31	loongarch_reloc_name_lookup (bfd abfd ATTRIBUTE_UNUSED, const char r_name);
748594bc	32
6d13722a	33	extern bfd_reloc_code_real_type
	34	loongarch_larch_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
	35	const char *l_r_name);
	36
1b6fccd2	37	bool
	38	loongarch_adjust_reloc_bitsfield (bfd , reloc_howto_type , bfd_vma *);
	39	void
	40	bfd_elf32_loongarch_set_data_segment_info (struct bfd_link_info , int );
	41	void
	42	bfd_elf64_loongarch_set_data_segment_info (struct bfd_link_info , int );
	43
	44	bfd_byte *
	45	loongarch_write_unsigned_leb128 (bfd_byte *p, unsigned int len, bfd_vma value);
d218dba3	46
	47	/* TRUE if this is a PLT reference to a local IFUNC. */
	48	#define PLT_LOCAL_IFUNC_P(INFO, H) \
	49	((H)->dynindx == -1 \
	50	\|\| ((bfd_link_executable (INFO) \
	51	\|\| ELF_ST_VISIBILITY ((H)->other) != STV_DEFAULT) \
	52	&& (H)->def_regular \
	53	&& (H)->type == STT_GNU_IFUNC))