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1b6fccd28d
Add relax support and related relocs in bfd. bfd/ChangeLog: * bfd-in2.h: Add relocs related to relax. * elfnn-loongarch.c (struct loongarch_elf_link_hash_table): New integer pointer (data_segment_phase) to monitor the data segment phase. (loongarch_elf_check_relocs): Swap B21/B26 reloc sequence. (loongarch_elf_adjust_dynamic_symbol): Fix code format. (loongarch_reloc_rewrite_imm_insn): Fix function call. (perform_relocation): Handle new relocs related to relax. (RELOCATE_CALC_PC32_HI20): Fix code format. (RELOCATE_CALC_PC64_HI32): Likewise. (loongarch_elf_relocate_section): Handle new relocs related to relax. (loongarch_relax_delete_bytes): New function. (loongarch_relax_pcala_addi): Likewise. (loongarch_relax_pcala_ld): Likewise. (bfd_elfNN_loongarch_set_data_segment_info): Likewise. (loongarch_relax_align): Likewise. (loongarch_elf_relax_section): Likewise. (bfd_elfNN_bfd_relax_section): New macro define. * elfxx-loongarch.c (reloc_bits): New bfd point parameter. (reloc_bits_b16): Likewise. (reloc_bits_b21): Likewise. (reloc_bits_b26): Likewise. (loongarch_adjust_reloc_bitsfield): Likewise. (reloc_bits_pcrel20_s2): New function. (loongarch_elf_add_sub_reloc): Likewise. (loongarch_elf_add_sub_reloc_uleb128): Likewise. (loongarch_write_unsigned_leb128): New function. * elfxx-loongarch.h (loongarch_adjust_reloc_bitsfield): New bfd point parameter. (bfd_elf32_loongarch_set_data_segment_info): New declare. (bfd_elf64_loongarch_set_data_segment_info): Likewise. (loongarch_write_unsigned_leb128): Likewise. * libbfd.h: Add relocs related to relax. * reloc.c: Add relocs related to relax.
54 lines
1.9 KiB
C
54 lines
1.9 KiB
C
/* LoongArch-specific backend routines.
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Copyright (C) 2021-2023 Free Software Foundation, Inc.
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Contributed by Loongson Ltd.
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This file is part of BFD, the Binary File Descriptor library.
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This program 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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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program 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 this program; see the file COPYING3. If not,
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see <http://www.gnu.org/licenses/>. */
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#include "elf/common.h"
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#include "elf/internal.h"
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extern reloc_howto_type *
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loongarch_elf_rtype_to_howto (bfd *abfd, unsigned int r_type);
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extern reloc_howto_type *
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loongarch_reloc_type_lookup (bfd *abfd, bfd_reloc_code_real_type code);
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extern reloc_howto_type *
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loongarch_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED, const char *r_name);
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extern bfd_reloc_code_real_type
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loongarch_larch_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
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const char *l_r_name);
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bool
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loongarch_adjust_reloc_bitsfield (bfd *, reloc_howto_type *, bfd_vma *);
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void
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bfd_elf32_loongarch_set_data_segment_info (struct bfd_link_info *, int *);
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void
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bfd_elf64_loongarch_set_data_segment_info (struct bfd_link_info *, int *);
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bfd_byte *
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loongarch_write_unsigned_leb128 (bfd_byte *p, unsigned int len, bfd_vma value);
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/* TRUE if this is a PLT reference to a local IFUNC. */
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#define PLT_LOCAL_IFUNC_P(INFO, H) \
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((H)->dynindx == -1 \
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|| ((bfd_link_executable (INFO) \
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|| ELF_ST_VISIBILITY ((H)->other) != STV_DEFAULT) \
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&& (H)->def_regular \
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&& (H)->type == STT_GNU_IFUNC))
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