833794fc12
* elfxx-mips.h (_bfd_mips_elf_insn32): New prototype. * elfxx-mips.c (mips_elf_link_hash_table): Add insn32 member. (STUB_MOVE32_MICROMIPS, STUB_JALR32_MICROMIPS): New macros. (MICROMIPS_INSN32_FUNCTION_STUB_NORMAL_SIZE): Likewise. (MICROMIPS_INSN32_FUNCTION_STUB_BIG_SIZE): Likewise. (micromips_insn32_o32_exec_plt0_entry): New variable. (micromips_insn32_o32_exec_plt_entry): Likewise. (_bfd_mips_elf_adjust_dynamic_symbol): Handle insn32 mode. (mips_elf_estimate_stub_size): Likewise. (_bfd_mips_elf_size_dynamic_sections): Likewise. (_bfd_mips_elf_finish_dynamic_symbol): Likewise. (mips_finish_exec_plt): Likewise. (_bfd_mips_elf_relax_section): Likewise. (_bfd_mips_elf_insn32): New function. (_bfd_mips_elf_get_synthetic_symtab): Handle insn32 PLT. gas/ * config/tc-mips.c (mips_set_options): Add insn32 member. (mips_opts): Initialize it. (NOP_INSN, NOP_INSN_SIZE): Handle insn32 mode. (options): Add OPTION_INSN32 and OPTION_NO_INSN32 enum values. (md_longopts): Add "minsn32" and "mno-insn32" options. (is_size_valid): Handle insn32 mode. (md_assemble): Pass instruction string down to macro. (brk_fmt): Add second dimension and insn32 mode initializers. (mfhl_fmt): Likewise. (BRK_FMT, MFHL_FMT): Handle insn32 mode. (macro_build) <'c'>: Handle microMIPS 32-bit BREAK encoding. (macro_build_jalr, move_register): Handle insn32 mode. (macro_build_branch_rs): Likewise. (macro): Handle insn32 mode. <M_JRADDIUSP>, <M_JRC>, <M_MOVEP>: New cases. (mips_ip): Handle insn32 mode. (md_parse_option): Handle OPTION_INSN32 and OPTION_NO_INSN32. (s_mipsset): Handle "insn32" and "noinsn32" pseudo-ops. (mips_handle_align): Handle insn32 mode. (md_show_usage): Add -minsn32 and -mno-insn32. * doc/as.texinfo (Target MIPS options): Add -minsn32 and -mno-insn32 options. (-minsn32, -mno-insn32): New options. * doc/c-mips.texi (MIPS Opts): Add -minsn32 and -mno-insn32 options. (MIPS assembly options): New node. Document .set insn32 and .set noinsn32. (MIPS-Dependent): List the new node. gas/testsuite/ * gas/mips/micromips-insn32.d: New test. * gas/mips/micromips-noinsn32.d: Likewise. * gas/mips/micromips.l: Rename to... * gas/mips/micromips-warn.l: ... this. * gas/mips/micromips.d: Update accordingly. * gas/mips/micromips-trap.d: Likewise. * gas/mips/micromips.l: New list test. * gas/mips/micromips.s: Add conditionals. * gas/mips/mips.exp: Run the new tests. include/opcode/ * mips.h: Add M_JRADDIUSP, M_JRC and M_MOVEP anonymous enum values. ld/ * emultempl/mipself.em (insn32): New variable. (mips_create_output_section_statements): Handle insn32 mode. (PARSE_AND_LIST_PROLOGUE): New macro. (PARSE_AND_LIST_LONGOPTS): Likewise. (PARSE_AND_LIST_OPTIONS): Likewise. * gen-doc.texi: Set MIPS. * ld.texinfo: Likewise. (Options specific to MIPS targets): New section. (ld and MIPS family): New node. (Top, Machine Dependent): List the new node. opcodes/ * micromips-opc.c (micromips_opcodes): Add "jraddiusp", "jrc" and "movep" macros.
188 lines
8.2 KiB
C
188 lines
8.2 KiB
C
/* MIPS ELF specific backend routines.
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Copyright 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
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Free Software Foundation, Inc.
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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; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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MA 02110-1301, USA. */
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#include "elf/common.h"
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#include "elf/internal.h"
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#include "elf/mips.h"
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extern bfd_boolean _bfd_mips_elf_mkobject
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(bfd *);
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extern bfd_boolean _bfd_mips_elf_new_section_hook
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(bfd *, asection *);
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extern void _bfd_mips_elf_symbol_processing
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(bfd *, asymbol *);
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extern unsigned int _bfd_mips_elf_eh_frame_address_size
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(bfd *, asection *);
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extern bfd_boolean _bfd_mips_elf_name_local_section_symbols
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(bfd *);
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extern bfd_boolean _bfd_mips_elf_section_processing
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(bfd *, Elf_Internal_Shdr *);
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extern bfd_boolean _bfd_mips_elf_section_from_shdr
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(bfd *, Elf_Internal_Shdr *, const char *, int);
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extern bfd_boolean _bfd_mips_elf_fake_sections
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(bfd *, Elf_Internal_Shdr *, asection *);
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extern bfd_boolean _bfd_mips_elf_section_from_bfd_section
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(bfd *, asection *, int *);
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extern bfd_boolean _bfd_mips_elf_add_symbol_hook
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(bfd *, struct bfd_link_info *, Elf_Internal_Sym *,
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const char **, flagword *, asection **, bfd_vma *);
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extern int _bfd_mips_elf_link_output_symbol_hook
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(struct bfd_link_info *, const char *, Elf_Internal_Sym *,
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asection *, struct elf_link_hash_entry *);
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extern bfd_boolean _bfd_mips_elf_create_dynamic_sections
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(bfd *, struct bfd_link_info *);
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extern bfd_boolean _bfd_mips_elf_check_relocs
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(bfd *, struct bfd_link_info *, asection *, const Elf_Internal_Rela *);
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extern bfd_boolean _bfd_mips_elf_adjust_dynamic_symbol
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(struct bfd_link_info *, struct elf_link_hash_entry *);
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extern bfd_boolean _bfd_mips_elf_always_size_sections
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(bfd *, struct bfd_link_info *);
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extern bfd_boolean _bfd_mips_elf_size_dynamic_sections
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(bfd *, struct bfd_link_info *);
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extern bfd_boolean _bfd_mips_elf_relocate_section
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(bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
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Elf_Internal_Rela *, Elf_Internal_Sym *, asection **);
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extern bfd_boolean _bfd_mips_elf_finish_dynamic_symbol
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(bfd *, struct bfd_link_info *, struct elf_link_hash_entry *,
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Elf_Internal_Sym *);
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extern bfd_boolean _bfd_mips_vxworks_finish_dynamic_symbol
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(bfd *, struct bfd_link_info *, struct elf_link_hash_entry *,
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Elf_Internal_Sym *);
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extern bfd_boolean _bfd_mips_elf_finish_dynamic_sections
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(bfd *, struct bfd_link_info *);
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extern void _bfd_mips_elf_final_write_processing
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(bfd *, bfd_boolean);
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extern int _bfd_mips_elf_additional_program_headers
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(bfd *, struct bfd_link_info *);
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extern bfd_boolean _bfd_mips_elf_modify_segment_map
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(bfd *, struct bfd_link_info *);
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extern asection * _bfd_mips_elf_gc_mark_hook
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(asection *, struct bfd_link_info *, Elf_Internal_Rela *,
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struct elf_link_hash_entry *, Elf_Internal_Sym *);
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extern bfd_boolean _bfd_mips_elf_gc_sweep_hook
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(bfd *, struct bfd_link_info *, asection *, const Elf_Internal_Rela *);
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extern void _bfd_mips_elf_copy_indirect_symbol
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(struct bfd_link_info *, struct elf_link_hash_entry *,
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struct elf_link_hash_entry *);
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extern bfd_boolean _bfd_mips_elf_ignore_discarded_relocs
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(asection *);
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extern bfd_boolean _bfd_mips_elf_is_target_special_symbol
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(bfd *abfd, asymbol *sym);
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extern bfd_boolean _bfd_mips_elf_find_nearest_line
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(bfd *, asection *, asymbol **, bfd_vma, const char **,
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const char **, unsigned int *);
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extern bfd_boolean _bfd_mips_elf_find_inliner_info
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(bfd *, const char **, const char **, unsigned int *);
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extern bfd_boolean _bfd_mips_elf_set_section_contents
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(bfd *, asection *, const void *, file_ptr, bfd_size_type);
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extern bfd_byte *_bfd_elf_mips_get_relocated_section_contents
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(bfd *, struct bfd_link_info *, struct bfd_link_order *,
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bfd_byte *, bfd_boolean, asymbol **);
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extern bfd_boolean _bfd_mips_elf_relax_section
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(bfd *abfd, asection *sec, struct bfd_link_info *link_info,
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bfd_boolean *again);
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extern struct bfd_link_hash_table *_bfd_mips_elf_link_hash_table_create
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(bfd *);
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extern struct bfd_link_hash_table *_bfd_mips_vxworks_link_hash_table_create
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(bfd *);
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extern bfd_boolean _bfd_mips_elf_final_link
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(bfd *, struct bfd_link_info *);
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extern bfd_boolean _bfd_mips_elf_merge_private_bfd_data
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(bfd *, bfd *);
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extern bfd_boolean _bfd_mips_elf_set_private_flags
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(bfd *, flagword);
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extern bfd_boolean _bfd_mips_elf_print_private_bfd_data
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(bfd *, void *);
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extern bfd_boolean _bfd_mips_elf_discard_info
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(bfd *, struct elf_reloc_cookie *, struct bfd_link_info *);
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extern bfd_boolean _bfd_mips_elf_write_section
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(bfd *, struct bfd_link_info *, asection *, bfd_byte *);
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extern bfd_boolean _bfd_mips_elf_read_ecoff_info
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(bfd *, asection *, struct ecoff_debug_info *);
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extern void _bfd_mips_elf_reloc_unshuffle
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(bfd *, int, bfd_boolean, bfd_byte *);
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extern void _bfd_mips_elf_reloc_shuffle
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(bfd *, int, bfd_boolean, bfd_byte *);
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extern bfd_reloc_status_type _bfd_mips_elf_gprel16_with_gp
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(bfd *, asymbol *, arelent *, asection *, bfd_boolean, void *, bfd_vma);
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extern bfd_reloc_status_type _bfd_mips_elf32_gprel16_reloc
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(bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
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extern bfd_reloc_status_type _bfd_mips_elf_hi16_reloc
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(bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
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extern bfd_reloc_status_type _bfd_mips_elf_got16_reloc
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(bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
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extern bfd_reloc_status_type _bfd_mips_elf_lo16_reloc
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(bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
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extern bfd_reloc_status_type _bfd_mips_elf_generic_reloc
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(bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
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extern unsigned long _bfd_elf_mips_mach
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(flagword);
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extern bfd_boolean _bfd_mips_relax_section
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(bfd *, asection *, struct bfd_link_info *, bfd_boolean *);
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extern bfd_vma _bfd_mips_elf_sign_extend
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(bfd_vma, int);
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extern void _bfd_mips_elf_merge_symbol_attribute
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(struct elf_link_hash_entry *, const Elf_Internal_Sym *, bfd_boolean, bfd_boolean);
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extern char *_bfd_mips_elf_get_target_dtag (bfd_vma);
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extern bfd_boolean _bfd_mips_elf_ignore_undef_symbol
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(struct elf_link_hash_entry *);
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extern void _bfd_mips_elf_use_plts_and_copy_relocs
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(struct bfd_link_info *);
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extern void _bfd_mips_elf_insn32
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(struct bfd_link_info *, bfd_boolean);
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extern bfd_boolean _bfd_mips_elf_init_stubs
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(struct bfd_link_info *,
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asection *(*) (const char *, asection *, asection *));
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extern bfd_vma _bfd_mips_elf_plt_sym_val
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(bfd_vma, const asection *, const arelent *rel);
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extern long _bfd_mips_elf_get_synthetic_symtab
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(bfd *, long, asymbol **, long, asymbol **, asymbol **);
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extern void _bfd_mips_post_process_headers
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(bfd *abfd, struct bfd_link_info *link_info);
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extern const struct bfd_elf_special_section _bfd_mips_elf_special_sections [];
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extern bfd_boolean _bfd_mips_elf_common_definition (Elf_Internal_Sym *);
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static inline bfd_boolean
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gprel16_reloc_p (unsigned int r_type)
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{
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return (r_type == R_MIPS_GPREL16
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|| r_type == R_MIPS16_GPREL
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|| r_type == R_MICROMIPS_GPREL16
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|| r_type == R_MICROMIPS_GPREL7_S2);
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}
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static inline bfd_boolean
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literal_reloc_p (int r_type)
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{
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return r_type == R_MIPS_LITERAL || r_type == R_MICROMIPS_LITERAL;
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}
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#define elf_backend_common_definition _bfd_mips_elf_common_definition
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#define elf_backend_name_local_section_symbols \
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_bfd_mips_elf_name_local_section_symbols
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#define elf_backend_special_sections _bfd_mips_elf_special_sections
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#define elf_backend_eh_frame_address_size _bfd_mips_elf_eh_frame_address_size
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#define elf_backend_merge_symbol_attribute _bfd_mips_elf_merge_symbol_attribute
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#define elf_backend_ignore_undef_symbol _bfd_mips_elf_ignore_undef_symbol
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#define elf_backend_post_process_headers _bfd_mips_post_process_headers
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