X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=bfd%2Felfxx-mips.h;h=4d9630f26623e124e5ad410ab57d093b603910a9;hb=refs%2Fheads%2Fconcurrent-displaced-stepping-2020-04-01;hp=13d03f15da04bd7b6882adffca3c225b7fadbe4e;hpb=90937f86aae6f5741008ccb551ac7cb3aad86ba3;p=deliverable%2Fbinutils-gdb.git diff --git a/bfd/elfxx-mips.h b/bfd/elfxx-mips.h index 13d03f15da..4d9630f266 100644 --- a/bfd/elfxx-mips.h +++ b/bfd/elfxx-mips.h @@ -1,100 +1,208 @@ /* MIPS ELF specific backend routines. - Copyright 2002 Free Software Foundation, Inc. + Copyright (C) 2002-2020 Free Software Foundation, Inc. -This file is part of BFD, the Binary File Descriptor library. + 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 2 of the License, or -(at your option) any later version. + 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. + 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; if not, write to the Free Software -Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, + MA 02110-1301, USA. */ #include "elf/common.h" #include "elf/internal.h" +#include "elf/mips.h" +extern bfd_boolean _bfd_mips_elf_mkobject + (bfd *); +extern bfd_boolean _bfd_mips_elf_new_section_hook + (bfd *, asection *); extern void _bfd_mips_elf_symbol_processing - PARAMS ((bfd *, asymbol *)); -extern boolean _bfd_mips_elf_section_processing - PARAMS ((bfd *, Elf_Internal_Shdr *)); -extern boolean _bfd_mips_elf_section_from_shdr - PARAMS ((bfd *, Elf_Internal_Shdr *, const char *)); -extern boolean _bfd_mips_elf_fake_sections - PARAMS ((bfd *, Elf_Internal_Shdr *, asection *)); -extern boolean _bfd_mips_elf_section_from_bfd_section - PARAMS ((bfd *, asection *, int *)); -extern boolean _bfd_mips_elf_add_symbol_hook - PARAMS ((bfd *, struct bfd_link_info *, const Elf_Internal_Sym *, - const char **, flagword *, asection **, bfd_vma *)); -extern boolean _bfd_mips_elf_link_output_symbol_hook - PARAMS ((bfd *, struct bfd_link_info *, const char *, Elf_Internal_Sym *, - asection *)); -extern boolean _bfd_mips_elf_create_dynamic_sections - PARAMS ((bfd *, struct bfd_link_info *)); -extern boolean _bfd_mips_elf_check_relocs - PARAMS ((bfd *, struct bfd_link_info *, asection *, - const Elf_Internal_Rela *)); -extern boolean _bfd_mips_elf_adjust_dynamic_symbol - PARAMS ((struct bfd_link_info *, struct elf_link_hash_entry *)); -extern boolean _bfd_mips_elf_always_size_sections - PARAMS ((bfd *, struct bfd_link_info *)); -extern boolean _bfd_mips_elf_size_dynamic_sections - PARAMS ((bfd *, struct bfd_link_info *)); -extern boolean _bfd_mips_elf_relocate_section - PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *, - Elf_Internal_Rela *, Elf_Internal_Sym *, asection **)); -extern boolean _bfd_mips_elf_finish_dynamic_symbol - PARAMS ((bfd *, struct bfd_link_info *, struct elf_link_hash_entry *, - Elf_Internal_Sym *)); -extern boolean _bfd_mips_elf_finish_dynamic_sections - PARAMS ((bfd *, struct bfd_link_info *)); -extern void _bfd_mips_elf_final_write_processing - PARAMS ((bfd *, boolean)); + (bfd *, asymbol *); +extern unsigned int _bfd_mips_elf_eh_frame_address_size + (bfd *, const asection *); +extern bfd_boolean _bfd_mips_elf_name_local_section_symbols + (bfd *); +extern bfd_boolean _bfd_mips_elf_section_processing + (bfd *, Elf_Internal_Shdr *); +extern bfd_boolean _bfd_mips_elf_section_from_shdr + (bfd *, Elf_Internal_Shdr *, const char *, int); +extern bfd_boolean _bfd_mips_elf_fake_sections + (bfd *, Elf_Internal_Shdr *, asection *); +extern bfd_boolean _bfd_mips_elf_section_from_bfd_section + (bfd *, asection *, int *); +extern bfd_boolean _bfd_mips_elf_add_symbol_hook + (bfd *, struct bfd_link_info *, Elf_Internal_Sym *, + const char **, flagword *, asection **, bfd_vma *); +extern int _bfd_mips_elf_link_output_symbol_hook + (struct bfd_link_info *, const char *, Elf_Internal_Sym *, + asection *, struct elf_link_hash_entry *); +extern bfd_boolean _bfd_mips_elf_create_dynamic_sections + (bfd *, struct bfd_link_info *); +extern bfd_boolean _bfd_mips_elf_check_relocs + (bfd *, struct bfd_link_info *, asection *, const Elf_Internal_Rela *); +extern bfd_boolean _bfd_mips_elf_adjust_dynamic_symbol + (struct bfd_link_info *, struct elf_link_hash_entry *); +extern bfd_boolean _bfd_mips_elf_always_size_sections + (bfd *, struct bfd_link_info *); +extern bfd_boolean _bfd_mips_elf_size_dynamic_sections + (bfd *, struct bfd_link_info *); +extern bfd_boolean _bfd_mips_elf_relocate_section + (bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *, + Elf_Internal_Rela *, Elf_Internal_Sym *, asection **); +extern bfd_boolean _bfd_mips_elf_finish_dynamic_symbol + (bfd *, struct bfd_link_info *, struct elf_link_hash_entry *, + Elf_Internal_Sym *); +extern bfd_boolean _bfd_mips_vxworks_finish_dynamic_symbol + (bfd *, struct bfd_link_info *, struct elf_link_hash_entry *, + Elf_Internal_Sym *); +extern bfd_boolean _bfd_mips_elf_finish_dynamic_sections + (bfd *, struct bfd_link_info *); +extern bfd_boolean _bfd_mips_elf_sort_relocs_p + (asection *); +extern void _bfd_mips_final_write_processing + (bfd *); +extern bfd_boolean _bfd_mips_elf_final_write_processing + (bfd *); extern int _bfd_mips_elf_additional_program_headers - PARAMS ((bfd *)); -extern boolean _bfd_mips_elf_modify_segment_map - PARAMS ((bfd *)); + (bfd *, struct bfd_link_info *); +extern bfd_boolean _bfd_mips_elf_modify_segment_map + (bfd *, struct bfd_link_info *); extern asection * _bfd_mips_elf_gc_mark_hook - PARAMS ((bfd *, struct bfd_link_info *, Elf_Internal_Rela *, - struct elf_link_hash_entry *, Elf_Internal_Sym *)); -extern boolean _bfd_mips_elf_gc_sweep_hook - PARAMS ((bfd *, struct bfd_link_info *, asection *, - const Elf_Internal_Rela *)); + (asection *, struct bfd_link_info *, Elf_Internal_Rela *, + struct elf_link_hash_entry *, Elf_Internal_Sym *); extern void _bfd_mips_elf_copy_indirect_symbol - PARAMS ((struct elf_link_hash_entry *, struct elf_link_hash_entry *)); + (struct bfd_link_info *, struct elf_link_hash_entry *, + struct elf_link_hash_entry *); extern void _bfd_mips_elf_hide_symbol - PARAMS ((struct bfd_link_info *, struct elf_link_hash_entry *, boolean)); -extern boolean _bfd_mips_elf_find_nearest_line - PARAMS ((bfd *, asection *, asymbol **, bfd_vma, const char **, - const char **, unsigned int *)); -extern boolean _bfd_mips_elf_set_section_contents - PARAMS ((bfd *, asection *, PTR, file_ptr, bfd_size_type)); + (struct bfd_link_info *, struct elf_link_hash_entry *, bfd_boolean); +extern bfd_boolean _bfd_mips_elf_ignore_discarded_relocs + (asection *); +extern bfd_boolean _bfd_mips_elf_is_target_special_symbol + (bfd *abfd, asymbol *sym); +extern bfd_boolean _bfd_mips_elf_find_nearest_line + (bfd *, asymbol **, asection *, bfd_vma, + const char **, const char **, unsigned int *, unsigned int *); +extern bfd_boolean _bfd_mips_elf_find_inliner_info + (bfd *, const char **, const char **, unsigned int *); +extern bfd_boolean _bfd_mips_elf_set_section_contents + (bfd *, asection *, const void *, file_ptr, bfd_size_type); extern bfd_byte *_bfd_elf_mips_get_relocated_section_contents - PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_order *, - bfd_byte *, boolean, asymbol **)); + (bfd *, struct bfd_link_info *, struct bfd_link_order *, + bfd_byte *, bfd_boolean, asymbol **); +extern bfd_boolean _bfd_mips_elf_relax_section + (bfd *abfd, asection *sec, struct bfd_link_info *link_info, + bfd_boolean *again); extern struct bfd_link_hash_table *_bfd_mips_elf_link_hash_table_create - PARAMS ((bfd *)); -extern boolean _bfd_mips_elf_final_link - PARAMS ((bfd *, struct bfd_link_info *)); -extern boolean _bfd_mips_elf_merge_private_bfd_data - PARAMS ((bfd *, bfd *)); -extern boolean _bfd_mips_elf_set_private_flags - PARAMS ((bfd *, flagword)); -extern boolean _bfd_mips_elf_print_private_bfd_data - PARAMS ((bfd *, PTR)); + (bfd *); +extern struct bfd_link_hash_table *_bfd_mips_vxworks_link_hash_table_create + (bfd *); +extern bfd_boolean _bfd_mips_elf_final_link + (bfd *, struct bfd_link_info *); +extern bfd_boolean _bfd_mips_elf_merge_private_bfd_data + (bfd *, struct bfd_link_info *); +extern bfd_boolean _bfd_mips_elf_set_private_flags + (bfd *, flagword); +extern const char * _bfd_mips_fp_abi_string + (int); +extern bfd_boolean _bfd_mips_elf_print_private_bfd_data + (bfd *, void *); +extern bfd_boolean _bfd_mips_elf_discard_info + (bfd *, struct elf_reloc_cookie *, struct bfd_link_info *); +extern bfd_boolean _bfd_mips_elf_write_section + (bfd *, struct bfd_link_info *, asection *, bfd_byte *); -extern boolean _bfd_mips_elf_read_ecoff_info - PARAMS ((bfd *, asection *, struct ecoff_debug_info *)); +extern bfd_boolean _bfd_mips_elf_read_ecoff_info + (bfd *, asection *, struct ecoff_debug_info *); +extern void _bfd_mips_elf_reloc_unshuffle + (bfd *, int, bfd_boolean, bfd_byte *); +extern void _bfd_mips_elf_reloc_shuffle + (bfd *, int, bfd_boolean, bfd_byte *); extern bfd_reloc_status_type _bfd_mips_elf_gprel16_with_gp - PARAMS ((bfd *, asymbol *, arelent *, asection *, boolean, PTR, bfd_vma)); + (bfd *, asymbol *, arelent *, asection *, bfd_boolean, void *, bfd_vma); extern bfd_reloc_status_type _bfd_mips_elf32_gprel16_reloc - PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **)); + (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **); +extern bfd_reloc_status_type _bfd_mips_elf_hi16_reloc + (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **); +extern bfd_reloc_status_type _bfd_mips_elf_got16_reloc + (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **); +extern bfd_reloc_status_type _bfd_mips_elf_lo16_reloc + (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **); +extern bfd_reloc_status_type _bfd_mips_elf_generic_reloc + (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **); extern unsigned long _bfd_elf_mips_mach - PARAMS ((flagword)); + (flagword); +extern bfd_vma _bfd_mips_elf_sign_extend + (bfd_vma, int); +extern void _bfd_mips_elf_merge_symbol_attribute + (struct elf_link_hash_entry *, const Elf_Internal_Sym *, bfd_boolean, bfd_boolean); +extern char *_bfd_mips_elf_get_target_dtag (bfd_vma); +extern bfd_boolean _bfd_mips_elf_ignore_undef_symbol + (struct elf_link_hash_entry *); +extern void _bfd_mips_elf_use_plts_and_copy_relocs + (struct bfd_link_info *); +extern void _bfd_mips_elf_linker_flags + (struct bfd_link_info *, bfd_boolean, bfd_boolean, bfd_boolean); +extern void _bfd_mips_elf_compact_branches + (struct bfd_link_info *, bfd_boolean); +extern bfd_boolean _bfd_mips_elf_init_stubs + (struct bfd_link_info *, + asection *(*) (const char *, asection *, asection *)); +extern bfd_vma _bfd_mips_elf_plt_sym_val + (bfd_vma, const asection *, const arelent *rel); +extern long _bfd_mips_elf_get_synthetic_symtab + (bfd *, long, asymbol **, long, asymbol **, asymbol **); +extern bfd_boolean _bfd_mips_elf_gc_mark_extra_sections + (struct bfd_link_info *, elf_gc_mark_hook_fn); +extern bfd_boolean _bfd_mips_init_file_header + (bfd *abfd, struct bfd_link_info *link_info); + +extern const struct bfd_elf_special_section _bfd_mips_elf_special_sections []; + +extern bfd_boolean _bfd_mips_elf_common_definition (Elf_Internal_Sym *); + +extern int _bfd_mips_elf_compact_eh_encoding (struct bfd_link_info *); +extern int _bfd_mips_elf_cant_unwind_opcode (struct bfd_link_info *); + +extern void _bfd_mips_elf_record_xhash_symbol + (struct elf_link_hash_entry *h, bfd_vma xlat_loc); + +/* MIPS ABI flags data access. For the disassembler. */ +extern struct elf_internal_abiflags_v0 *bfd_mips_elf_get_abiflags (bfd *); + +static inline bfd_boolean +gprel16_reloc_p (unsigned int r_type) +{ + return (r_type == R_MIPS_GPREL16 + || r_type == R_MIPS16_GPREL + || r_type == R_MICROMIPS_GPREL16 + || r_type == R_MICROMIPS_GPREL7_S2); +} + +static inline bfd_boolean +literal_reloc_p (int r_type) +{ + return r_type == R_MIPS_LITERAL || r_type == R_MICROMIPS_LITERAL; +} + +#define elf_backend_common_definition _bfd_mips_elf_common_definition +#define elf_backend_name_local_section_symbols \ + _bfd_mips_elf_name_local_section_symbols +#define elf_backend_special_sections _bfd_mips_elf_special_sections +#define elf_backend_eh_frame_address_size _bfd_mips_elf_eh_frame_address_size +#define elf_backend_merge_symbol_attribute _bfd_mips_elf_merge_symbol_attribute +#define elf_backend_ignore_undef_symbol _bfd_mips_elf_ignore_undef_symbol +#define elf_backend_init_file_header _bfd_mips_init_file_header +#define elf_backend_compact_eh_encoding _bfd_mips_elf_compact_eh_encoding +#define elf_backend_cant_unwind_opcode _bfd_mips_elf_cant_unwind_opcode +#define elf_backend_record_xhash_symbol _bfd_mips_elf_record_xhash_symbol +#define elf_backend_always_renumber_dynsyms TRUE