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76eab8f47a
Change the mmap support added with commit9ba56acee5to always mmap memory with PROT_READ | PROT_WRITE. Prior to that commit most file contents were read into a buffer allocated with bfd_alloc or bfd_malloc and thus the memory was read/write. Even after that commit any section contents with relocations must be read/write to apply the relocs. Making them all read/write is not a major change, and it should not introduce any measurable linker slowdown for contents that are not modified. More importantly, it removes a BFD behaviour difference that only triggers when large files are involved. PR 32266 PR 32109 * libbfd.c (bfd_mmap_local): Remove prot param. Always mmap with PROT_READ | PROT_WRITE. Adjust all calls. (_bfd_mmap_temporary): Rename from _bfd_mmap_readonly_temporary. (_bfd_munmap_temporary): Rename from _bfd_munmap_readonly_temporary. _bfd_mmap_persistent): Rename from _bfd_mmap_readonly_persistent. (_bfd_generic_get_section_contents): Use PROT_READ | PROT_WRITE regardless of relocs. * libbfd-in.h: Update decls to suit. Make non-USE_MMAP variants static inline functions. * elflink.c: Update all uses of _bfd_mmap functions. * elf.c: Likewise. (bfd_elf_get_str_section): Revert commit656f8fbaae. * libbfd.h: Regenerate.
946 lines
35 KiB
C
946 lines
35 KiB
C
/* libbfd.h -- Declarations used by bfd library *implementation*.
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(This include file is not for users of the library.)
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Copyright (C) 1990-2024 Free Software Foundation, Inc.
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Written by Cygnus Support.
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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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#ifndef _LIBBFD_H
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#define _LIBBFD_H 1
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#ifndef ATTRIBUTE_HIDDEN
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#if HAVE_HIDDEN
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#define ATTRIBUTE_HIDDEN __attribute__ ((__visibility__ ("hidden")))
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#else
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#define ATTRIBUTE_HIDDEN
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#endif
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#endif
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#include "hashtab.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Set a tdata field. Can't use the other macros for this, since they
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do casts, and casting to the left of assignment isn't portable. */
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#define set_tdata(bfd, v) ((bfd)->tdata.any = (v))
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/* If BFD_IN_MEMORY is set for a BFD, then the iostream fields points
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to an instance of this structure. */
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struct bfd_in_memory
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{
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/* Size of buffer. */
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bfd_size_type size;
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/* Buffer holding contents of BFD. */
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bfd_byte *buffer;
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};
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struct section_hash_entry
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{
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struct bfd_hash_entry root;
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asection section;
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};
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/* Unique section id. */
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extern unsigned int _bfd_section_id ATTRIBUTE_HIDDEN;
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/* tdata for an archive. For an input archive, cache
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needs to be free()'d. For an output archive, symdefs do. */
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struct artdata
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{
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ufile_ptr first_file_filepos;
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/* Speed up searching the armap */
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htab_t cache;
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carsym *symdefs; /* The symdef entries. */
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symindex symdef_count; /* How many there are. */
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char *extended_names; /* Clever intel extension. */
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bfd_size_type extended_names_size; /* Size of extended names. */
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/* When more compilers are standard C, this can be a time_t. */
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long armap_timestamp; /* Timestamp value written into armap.
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This is used for BSD archives to check
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that the timestamp is recent enough
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for the BSD linker to not complain,
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just before we finish writing an
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archive. */
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file_ptr armap_datepos; /* Position within archive to seek to
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rewrite the date field. */
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void *tdata; /* Backend specific information. */
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};
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#define bfd_ardata(bfd) ((bfd)->tdata.aout_ar_data)
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/* Goes in bfd's arelt_data slot */
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struct areltdata
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{
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char * arch_header; /* It's actually a string. */
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bfd_size_type parsed_size; /* Octets of filesize not including ar_hdr. */
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bfd_size_type extra_size; /* BSD4.4: extra bytes after the header. */
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char *filename; /* Null-terminated. */
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file_ptr origin; /* For element of a thin archive. */
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void *parent_cache; /* Where and how to find this member. */
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file_ptr key;
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};
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#define arelt_size(bfd) (((struct areltdata *)((bfd)->arelt_data))->parsed_size)
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extern void *bfd_malloc
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(bfd_size_type) ATTRIBUTE_HIDDEN;
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static inline char *
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bfd_strdup (const char *str)
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{
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size_t len = strlen (str) + 1;
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char *buf = bfd_malloc (len);
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if (buf != NULL)
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memcpy (buf, str, len);
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return buf;
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}
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extern bfd * _bfd_create_empty_archive_element_shell
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(bfd *) ATTRIBUTE_HIDDEN;
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extern bfd * _bfd_look_for_bfd_in_cache
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(bfd *, file_ptr) ATTRIBUTE_HIDDEN;
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extern bool _bfd_add_bfd_to_archive_cache
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(bfd *, file_ptr, bfd *) ATTRIBUTE_HIDDEN;
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extern bool _bfd_generic_mkarchive
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(bfd *) ATTRIBUTE_HIDDEN;
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extern char *_bfd_append_relative_path
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(bfd *, char *) ATTRIBUTE_HIDDEN;
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extern bfd_cleanup bfd_generic_archive_p
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(bfd *) ATTRIBUTE_HIDDEN;
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extern bool bfd_slurp_armap
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(bfd *) ATTRIBUTE_HIDDEN;
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#define bfd_slurp_bsd_armap bfd_slurp_armap
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#define bfd_slurp_coff_armap bfd_slurp_armap
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extern bool _bfd_archive_64_bit_slurp_armap
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(bfd *) ATTRIBUTE_HIDDEN;
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extern bool _bfd_archive_64_bit_write_armap
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(bfd *, unsigned int, struct orl *, unsigned int, int) ATTRIBUTE_HIDDEN;
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#define _bfd_archive_64_bit_slurp_extended_name_table \
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_bfd_slurp_extended_name_table
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#define _bfd_archive_64_bit_construct_extended_name_table \
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_bfd_archive_coff_construct_extended_name_table
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#define _bfd_archive_64_bit_truncate_arname \
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bfd_dont_truncate_arname
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#define _bfd_archive_64_bit_read_ar_hdr \
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_bfd_generic_read_ar_hdr
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#define _bfd_archive_64_bit_write_ar_hdr \
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_bfd_generic_write_ar_hdr
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#define _bfd_archive_64_bit_openr_next_archived_file \
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bfd_generic_openr_next_archived_file
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#define _bfd_archive_64_bit_get_elt_at_index \
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_bfd_generic_get_elt_at_index
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#define _bfd_archive_64_bit_generic_stat_arch_elt \
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bfd_generic_stat_arch_elt
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#define _bfd_archive_64_bit_update_armap_timestamp _bfd_bool_bfd_true
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extern bool _bfd_slurp_extended_name_table
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(bfd *) ATTRIBUTE_HIDDEN;
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extern bool _bfd_construct_extended_name_table
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(bfd *, bool, char **, bfd_size_type *) ATTRIBUTE_HIDDEN;
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extern bool _bfd_write_archive_contents
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(bfd *) ATTRIBUTE_HIDDEN;
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extern bool _bfd_compute_and_write_armap
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(bfd *, unsigned int) ATTRIBUTE_HIDDEN;
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extern bfd *_bfd_get_elt_at_filepos
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(bfd *, file_ptr, struct bfd_link_info *) ATTRIBUTE_HIDDEN;
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extern bfd *_bfd_generic_get_elt_at_index
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(bfd *, symindex) ATTRIBUTE_HIDDEN;
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extern bool _bfd_bool_bfd_false
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(bfd *) ATTRIBUTE_HIDDEN;
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extern bool _bfd_bool_bfd_asymbol_false
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(bfd *, asymbol *) ATTRIBUTE_HIDDEN;
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extern bool _bfd_bool_bfd_false_error
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(bfd *) ATTRIBUTE_HIDDEN;
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extern bool _bfd_bool_bfd_link_false_error
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(bfd *, struct bfd_link_info *) ATTRIBUTE_HIDDEN;
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extern bool _bfd_bool_bfd_true
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(bfd *) ATTRIBUTE_HIDDEN;
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extern bool _bfd_bool_bfd_link_true
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(bfd *, struct bfd_link_info *) ATTRIBUTE_HIDDEN;
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extern bool _bfd_bool_bfd_bfd_true
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(bfd *, bfd *) ATTRIBUTE_HIDDEN;
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extern bool _bfd_bool_bfd_uint_true
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(bfd *, unsigned int) ATTRIBUTE_HIDDEN;
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extern bool _bfd_bool_bfd_asection_bfd_asection_true
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(bfd *, asection *, bfd *, asection *) ATTRIBUTE_HIDDEN;
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extern bool _bfd_bool_bfd_asymbol_bfd_asymbol_true
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(bfd *, asymbol *, bfd *, asymbol *) ATTRIBUTE_HIDDEN;
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extern bool _bfd_bool_bfd_ptr_true
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(bfd *, void *) ATTRIBUTE_HIDDEN;
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extern void *_bfd_ptr_bfd_null_error
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(bfd *) ATTRIBUTE_HIDDEN;
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extern int _bfd_int_bfd_0
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(bfd *) ATTRIBUTE_HIDDEN;
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extern unsigned int _bfd_uint_bfd_0
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(bfd *) ATTRIBUTE_HIDDEN;
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extern long _bfd_long_bfd_0
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(bfd *) ATTRIBUTE_HIDDEN;
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extern long _bfd_long_bfd_n1_error
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(bfd *) ATTRIBUTE_HIDDEN;
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extern void _bfd_void_bfd
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(bfd *) ATTRIBUTE_HIDDEN;
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extern void _bfd_void_bfd_link
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(bfd *, struct bfd_link_info *) ATTRIBUTE_HIDDEN;
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extern void _bfd_void_bfd_asection
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(bfd *, asection *) ATTRIBUTE_HIDDEN;
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extern bfd_cleanup _bfd_dummy_target
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(bfd *) ATTRIBUTE_HIDDEN;
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#define _bfd_no_cleanup _bfd_void_bfd
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extern void bfd_dont_truncate_arname
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(bfd *, const char *, char *) ATTRIBUTE_HIDDEN;
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extern void bfd_bsd_truncate_arname
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(bfd *, const char *, char *) ATTRIBUTE_HIDDEN;
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extern void bfd_gnu_truncate_arname
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(bfd *, const char *, char *) ATTRIBUTE_HIDDEN;
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extern bool _bfd_bsd_write_armap
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(bfd *, unsigned int, struct orl *, unsigned int, int) ATTRIBUTE_HIDDEN;
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extern bool _bfd_coff_write_armap
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(bfd *, unsigned int, struct orl *, unsigned int, int) ATTRIBUTE_HIDDEN;
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extern void *_bfd_generic_read_ar_hdr
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(bfd *) ATTRIBUTE_HIDDEN;
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extern void _bfd_ar_spacepad
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(char *, size_t, const char *, long) ATTRIBUTE_HIDDEN;
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extern bool _bfd_ar_sizepad
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(char *, size_t, bfd_size_type) ATTRIBUTE_HIDDEN;
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extern void *_bfd_generic_read_ar_hdr_mag
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(bfd *, const char *) ATTRIBUTE_HIDDEN;
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extern bool _bfd_generic_write_ar_hdr
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(bfd *, bfd *) ATTRIBUTE_HIDDEN;
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extern bool _bfd_bsd44_write_ar_hdr
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(bfd *, bfd *) ATTRIBUTE_HIDDEN;
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extern bfd * bfd_generic_openr_next_archived_file
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(bfd *, bfd *) ATTRIBUTE_HIDDEN;
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extern int bfd_generic_stat_arch_elt
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(bfd *, struct stat *) ATTRIBUTE_HIDDEN;
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#define _bfd_read_ar_hdr(abfd) \
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BFD_SEND (abfd, _bfd_read_ar_hdr_fn, (abfd))
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#define _bfd_write_ar_hdr(archive, abfd) \
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BFD_SEND (abfd, _bfd_write_ar_hdr_fn, (archive, abfd))
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/* Generic routines to use for BFD_JUMP_TABLE_GENERIC. Use
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BFD_JUMP_TABLE_GENERIC (_bfd_generic). */
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#define _bfd_generic_close_and_cleanup _bfd_archive_close_and_cleanup
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extern bool _bfd_archive_close_and_cleanup
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(bfd *) ATTRIBUTE_HIDDEN;
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extern void _bfd_unlink_from_archive_parent (bfd *) ATTRIBUTE_HIDDEN;
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#define _bfd_generic_bfd_free_cached_info _bfd_free_cached_info
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extern bool _bfd_generic_new_section_hook
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(bfd *, asection *) ATTRIBUTE_HIDDEN;
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extern bool _bfd_generic_get_section_contents
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(bfd *, asection *, void *, file_ptr, bfd_size_type) ATTRIBUTE_HIDDEN;
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/* Generic routines to use for BFD_JUMP_TABLE_COPY. Use
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BFD_JUMP_TABLE_COPY (_bfd_generic). */
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#define _bfd_generic_bfd_copy_private_bfd_data _bfd_bool_bfd_bfd_true
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#define _bfd_generic_bfd_merge_private_bfd_data \
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_bfd_bool_bfd_link_true
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#define _bfd_generic_bfd_set_private_flags _bfd_bool_bfd_uint_true
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#define _bfd_generic_bfd_copy_private_section_data \
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_bfd_bool_bfd_asection_bfd_asection_true
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#define _bfd_generic_bfd_copy_private_symbol_data \
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_bfd_bool_bfd_asymbol_bfd_asymbol_true
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#define _bfd_generic_bfd_copy_private_header_data _bfd_bool_bfd_bfd_true
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#define _bfd_generic_bfd_print_private_bfd_data _bfd_bool_bfd_ptr_true
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extern bool _bfd_generic_init_private_section_data
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(bfd *, asection *, bfd *, asection *, struct bfd_link_info *)
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ATTRIBUTE_HIDDEN;
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/* Routines to use for BFD_JUMP_TABLE_CORE when there is no core file
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support. Use BFD_JUMP_TABLE_CORE (_bfd_nocore). */
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extern char *_bfd_nocore_core_file_failing_command
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(bfd *) ATTRIBUTE_HIDDEN;
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extern int _bfd_nocore_core_file_failing_signal
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(bfd *) ATTRIBUTE_HIDDEN;
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extern bool _bfd_nocore_core_file_matches_executable_p
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(bfd *, bfd *) ATTRIBUTE_HIDDEN;
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extern int _bfd_nocore_core_file_pid
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(bfd *) ATTRIBUTE_HIDDEN;
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/* Routines to use for BFD_JUMP_TABLE_ARCHIVE when there is no archive
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file support. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive). */
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#define _bfd_noarchive_slurp_armap _bfd_bool_bfd_false_error
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#define _bfd_noarchive_slurp_extended_name_table _bfd_bool_bfd_false_error
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extern bool _bfd_noarchive_construct_extended_name_table
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(bfd *, char **, bfd_size_type *, const char **) ATTRIBUTE_HIDDEN;
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extern void _bfd_noarchive_truncate_arname
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(bfd *, const char *, char *) ATTRIBUTE_HIDDEN;
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extern bool _bfd_noarchive_write_armap
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(bfd *, unsigned int, struct orl *, unsigned int, int) ATTRIBUTE_HIDDEN;
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#define _bfd_noarchive_read_ar_hdr _bfd_ptr_bfd_null_error
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extern bool _bfd_noarchive_write_ar_hdr
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(bfd *, bfd *) ATTRIBUTE_HIDDEN;
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extern bfd *
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_bfd_noarchive_openr_next_archived_file
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(bfd *, bfd *) ATTRIBUTE_HIDDEN;
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extern bfd * _bfd_noarchive_get_elt_at_index
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(bfd *, symindex) ATTRIBUTE_HIDDEN;
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#define _bfd_noarchive_generic_stat_arch_elt bfd_generic_stat_arch_elt
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#define _bfd_noarchive_update_armap_timestamp _bfd_bool_bfd_false_error
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/* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get BSD style
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archives. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd). */
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#define _bfd_archive_bsd_slurp_armap bfd_slurp_bsd_armap
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#define _bfd_archive_bsd_slurp_extended_name_table \
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_bfd_slurp_extended_name_table
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extern bool _bfd_archive_bsd_construct_extended_name_table
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(bfd *, char **, bfd_size_type *, const char **) ATTRIBUTE_HIDDEN;
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#define _bfd_archive_bsd_truncate_arname bfd_bsd_truncate_arname
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#define _bfd_archive_bsd_write_armap _bfd_bsd_write_armap
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#define _bfd_archive_bsd_read_ar_hdr _bfd_generic_read_ar_hdr
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#define _bfd_archive_bsd_write_ar_hdr _bfd_generic_write_ar_hdr
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#define _bfd_archive_bsd_openr_next_archived_file \
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bfd_generic_openr_next_archived_file
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#define _bfd_archive_bsd_get_elt_at_index _bfd_generic_get_elt_at_index
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#define _bfd_archive_bsd_generic_stat_arch_elt \
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bfd_generic_stat_arch_elt
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extern bool _bfd_archive_bsd_update_armap_timestamp
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(bfd *) ATTRIBUTE_HIDDEN;
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/* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get COFF style
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archives. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff). */
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#define _bfd_archive_coff_slurp_armap bfd_slurp_coff_armap
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#define _bfd_archive_coff_slurp_extended_name_table \
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_bfd_slurp_extended_name_table
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extern bool _bfd_archive_coff_construct_extended_name_table
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(bfd *, char **, bfd_size_type *, const char **) ATTRIBUTE_HIDDEN;
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#define _bfd_archive_coff_truncate_arname bfd_dont_truncate_arname
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#define _bfd_archive_coff_write_armap _bfd_coff_write_armap
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#define _bfd_archive_coff_read_ar_hdr _bfd_generic_read_ar_hdr
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#define _bfd_archive_coff_write_ar_hdr _bfd_generic_write_ar_hdr
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#define _bfd_archive_coff_openr_next_archived_file \
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bfd_generic_openr_next_archived_file
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#define _bfd_archive_coff_get_elt_at_index _bfd_generic_get_elt_at_index
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#define _bfd_archive_coff_generic_stat_arch_elt \
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bfd_generic_stat_arch_elt
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#define _bfd_archive_coff_update_armap_timestamp _bfd_bool_bfd_true
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/* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get BSD4.4 style
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archives. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd44). */
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#define _bfd_archive_bsd44_slurp_armap bfd_slurp_bsd_armap
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#define _bfd_archive_bsd44_slurp_extended_name_table \
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_bfd_slurp_extended_name_table
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extern bool _bfd_archive_bsd44_construct_extended_name_table
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(bfd *, char **, bfd_size_type *, const char **) ATTRIBUTE_HIDDEN;
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#define _bfd_archive_bsd44_truncate_arname bfd_bsd_truncate_arname
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#define _bfd_archive_bsd44_write_armap _bfd_bsd_write_armap
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#define _bfd_archive_bsd44_read_ar_hdr _bfd_generic_read_ar_hdr
|
||
#define _bfd_archive_bsd44_write_ar_hdr _bfd_bsd44_write_ar_hdr
|
||
#define _bfd_archive_bsd44_openr_next_archived_file \
|
||
bfd_generic_openr_next_archived_file
|
||
#define _bfd_archive_bsd44_get_elt_at_index _bfd_generic_get_elt_at_index
|
||
#define _bfd_archive_bsd44_generic_stat_arch_elt \
|
||
bfd_generic_stat_arch_elt
|
||
#define _bfd_archive_bsd44_update_armap_timestamp \
|
||
_bfd_archive_bsd_update_armap_timestamp
|
||
|
||
/* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get VMS style
|
||
archives. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_vms_lib). Some of them
|
||
are irrelevant. */
|
||
|
||
extern bool _bfd_vms_lib_write_archive_contents
|
||
(bfd *) ATTRIBUTE_HIDDEN;
|
||
#define _bfd_vms_lib_slurp_armap _bfd_noarchive_slurp_armap
|
||
#define _bfd_vms_lib_slurp_extended_name_table \
|
||
_bfd_noarchive_slurp_extended_name_table
|
||
#define _bfd_vms_lib_construct_extended_name_table \
|
||
_bfd_noarchive_construct_extended_name_table
|
||
#define _bfd_vms_lib_truncate_arname _bfd_noarchive_truncate_arname
|
||
#define _bfd_vms_lib_write_armap _bfd_noarchive_write_armap
|
||
#define _bfd_vms_lib_read_ar_hdr _bfd_noarchive_read_ar_hdr
|
||
#define _bfd_vms_lib_write_ar_hdr _bfd_noarchive_write_ar_hdr
|
||
extern bfd *_bfd_vms_lib_openr_next_archived_file
|
||
(bfd *, bfd *) ATTRIBUTE_HIDDEN;
|
||
extern bfd *_bfd_vms_lib_get_elt_at_index
|
||
(bfd *, symindex) ATTRIBUTE_HIDDEN;
|
||
extern int _bfd_vms_lib_generic_stat_arch_elt
|
||
(bfd *, struct stat *) ATTRIBUTE_HIDDEN;
|
||
#define _bfd_vms_lib_update_armap_timestamp _bfd_bool_bfd_true
|
||
|
||
/* Extra routines for VMS style archives. */
|
||
|
||
extern symindex _bfd_vms_lib_find_symbol
|
||
(bfd *, const char *) ATTRIBUTE_HIDDEN;
|
||
extern bfd *_bfd_vms_lib_get_imagelib_file
|
||
(bfd *) ATTRIBUTE_HIDDEN;
|
||
extern bfd_cleanup _bfd_vms_lib_alpha_archive_p
|
||
(bfd *) ATTRIBUTE_HIDDEN;
|
||
extern bfd_cleanup _bfd_vms_lib_ia64_archive_p
|
||
(bfd *) ATTRIBUTE_HIDDEN;
|
||
extern bool _bfd_vms_lib_alpha_mkarchive
|
||
(bfd *) ATTRIBUTE_HIDDEN;
|
||
extern bool _bfd_vms_lib_ia64_mkarchive
|
||
(bfd *) ATTRIBUTE_HIDDEN;
|
||
|
||
/* Routines to use for BFD_JUMP_TABLE_SYMBOLS where there is no symbol
|
||
support. Use BFD_JUMP_TABLE_SYMBOLS (_bfd_nosymbols). */
|
||
|
||
#define _bfd_nosymbols_get_symtab_upper_bound _bfd_long_bfd_n1_error
|
||
extern long _bfd_nosymbols_canonicalize_symtab
|
||
(bfd *, asymbol **) ATTRIBUTE_HIDDEN;
|
||
#define _bfd_nosymbols_make_empty_symbol _bfd_generic_make_empty_symbol
|
||
extern void _bfd_nosymbols_print_symbol
|
||
(bfd *, void *, asymbol *, bfd_print_symbol_type) ATTRIBUTE_HIDDEN;
|
||
extern void _bfd_nosymbols_get_symbol_info
|
||
(bfd *, asymbol *, symbol_info *) ATTRIBUTE_HIDDEN;
|
||
extern const char * _bfd_nosymbols_get_symbol_version_string
|
||
(bfd *, asymbol *, bool, bool *) ATTRIBUTE_HIDDEN;
|
||
extern bool _bfd_nosymbols_bfd_is_local_label_name
|
||
(bfd *, const char *) ATTRIBUTE_HIDDEN;
|
||
#define _bfd_nosymbols_bfd_is_target_special_symbol _bfd_bool_bfd_asymbol_false
|
||
extern alent *_bfd_nosymbols_get_lineno
|
||
(bfd *, asymbol *) ATTRIBUTE_HIDDEN;
|
||
extern bool _bfd_nosymbols_find_nearest_line
|
||
(bfd *, asymbol **, asection *, bfd_vma,
|
||
const char **, const char **, unsigned int *, unsigned int *)
|
||
ATTRIBUTE_HIDDEN;
|
||
extern bool _bfd_nosymbols_find_nearest_line_with_alt
|
||
(bfd *, const char *, asymbol **, asection *, bfd_vma,
|
||
const char **, const char **, unsigned int *, unsigned int *)
|
||
ATTRIBUTE_HIDDEN;
|
||
extern bool _bfd_nosymbols_find_line
|
||
(bfd *, asymbol **, asymbol *, const char **, unsigned int *)
|
||
ATTRIBUTE_HIDDEN;
|
||
extern bool _bfd_nosymbols_find_inliner_info
|
||
(bfd *, const char **, const char **, unsigned int *) ATTRIBUTE_HIDDEN;
|
||
extern asymbol *_bfd_nosymbols_bfd_make_debug_symbol
|
||
(bfd *) ATTRIBUTE_HIDDEN;
|
||
extern long _bfd_nosymbols_read_minisymbols
|
||
(bfd *, bool, void **, unsigned int *) ATTRIBUTE_HIDDEN;
|
||
extern asymbol *_bfd_nosymbols_minisymbol_to_symbol
|
||
(bfd *, bool, const void *, asymbol *) ATTRIBUTE_HIDDEN;
|
||
|
||
/* Routines to use for BFD_JUMP_TABLE_RELOCS when there is no reloc
|
||
support. Use BFD_JUMP_TABLE_RELOCS (_bfd_norelocs). */
|
||
|
||
extern long _bfd_norelocs_get_reloc_upper_bound
|
||
(bfd *, asection *) ATTRIBUTE_HIDDEN;
|
||
extern long _bfd_norelocs_canonicalize_reloc
|
||
(bfd *, asection *, arelent **, asymbol **) ATTRIBUTE_HIDDEN;
|
||
extern void _bfd_norelocs_set_reloc
|
||
(bfd *, asection *, arelent **, unsigned int) ATTRIBUTE_HIDDEN;
|
||
extern reloc_howto_type *_bfd_norelocs_bfd_reloc_type_lookup
|
||
(bfd *, bfd_reloc_code_real_type) ATTRIBUTE_HIDDEN;
|
||
extern reloc_howto_type *_bfd_norelocs_bfd_reloc_name_lookup
|
||
(bfd *, const char *) ATTRIBUTE_HIDDEN;
|
||
|
||
/* Routines to use for BFD_JUMP_TABLE_WRITE for targets which may not
|
||
be written. Use BFD_JUMP_TABLE_WRITE (_bfd_nowrite). */
|
||
|
||
extern bool _bfd_nowrite_set_arch_mach
|
||
(bfd *, enum bfd_architecture, unsigned long) ATTRIBUTE_HIDDEN;
|
||
extern bool _bfd_nowrite_set_section_contents
|
||
(bfd *, asection *, const void *, file_ptr, bfd_size_type) ATTRIBUTE_HIDDEN;
|
||
|
||
/* Generic routines to use for BFD_JUMP_TABLE_WRITE. Use
|
||
BFD_JUMP_TABLE_WRITE (_bfd_generic). */
|
||
|
||
#define _bfd_generic_set_arch_mach bfd_default_set_arch_mach
|
||
extern bool _bfd_generic_set_section_contents
|
||
(bfd *, asection *, const void *, file_ptr, bfd_size_type) ATTRIBUTE_HIDDEN;
|
||
|
||
/* Routines to use for BFD_JUMP_TABLE_LINK for targets which do not
|
||
support linking. Use BFD_JUMP_TABLE_LINK (_bfd_nolink). */
|
||
|
||
extern int _bfd_nolink_sizeof_headers
|
||
(bfd *, struct bfd_link_info *) ATTRIBUTE_HIDDEN;
|
||
extern bfd_byte *_bfd_nolink_bfd_get_relocated_section_contents
|
||
(bfd *, struct bfd_link_info *, struct bfd_link_order *,
|
||
bfd_byte *, bool, asymbol **) ATTRIBUTE_HIDDEN;
|
||
extern bool _bfd_nolink_bfd_relax_section
|
||
(bfd *, asection *, struct bfd_link_info *, bool *) ATTRIBUTE_HIDDEN;
|
||
#define _bfd_nolink_bfd_gc_sections _bfd_bool_bfd_link_false_error
|
||
extern bool _bfd_nolink_bfd_lookup_section_flags
|
||
(struct bfd_link_info *, struct flag_info *, asection *) ATTRIBUTE_HIDDEN;
|
||
#define _bfd_nolink_bfd_merge_sections _bfd_bool_bfd_link_false_error
|
||
extern bool _bfd_nolink_bfd_is_group_section
|
||
(bfd *, const asection *) ATTRIBUTE_HIDDEN;
|
||
extern const char *_bfd_nolink_bfd_group_name
|
||
(bfd *, const asection *) ATTRIBUTE_HIDDEN;
|
||
extern bool _bfd_nolink_bfd_discard_group
|
||
(bfd *, asection *) ATTRIBUTE_HIDDEN;
|
||
extern struct bfd_link_hash_table *_bfd_nolink_bfd_link_hash_table_create
|
||
(bfd *) ATTRIBUTE_HIDDEN;
|
||
#define _bfd_nolink_bfd_link_add_symbols _bfd_bool_bfd_link_false_error
|
||
extern void _bfd_nolink_bfd_link_just_syms
|
||
(asection *, struct bfd_link_info *) ATTRIBUTE_HIDDEN;
|
||
extern void _bfd_nolink_bfd_copy_link_hash_symbol_type
|
||
(bfd *, struct bfd_link_hash_entry *, struct bfd_link_hash_entry *)
|
||
ATTRIBUTE_HIDDEN;
|
||
#define _bfd_nolink_bfd_final_link _bfd_bool_bfd_link_false_error
|
||
extern bool _bfd_nolink_bfd_link_split_section
|
||
(bfd *, struct bfd_section *) ATTRIBUTE_HIDDEN;
|
||
extern bool _bfd_nolink_section_already_linked
|
||
(bfd *, asection *, struct bfd_link_info *) ATTRIBUTE_HIDDEN;
|
||
extern bool _bfd_nolink_bfd_define_common_symbol
|
||
(bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *)
|
||
ATTRIBUTE_HIDDEN;
|
||
#define _bfd_nolink_bfd_link_hide_symbol \
|
||
_bfd_generic_link_hide_symbol
|
||
extern struct bfd_link_hash_entry *_bfd_nolink_bfd_define_start_stop
|
||
(struct bfd_link_info *, const char *, asection *) ATTRIBUTE_HIDDEN;
|
||
#define _bfd_nolink_bfd_link_check_relocs \
|
||
_bfd_generic_link_check_relocs
|
||
|
||
/* Routines to use for BFD_JUMP_TABLE_DYNAMIC for targets which do not
|
||
have dynamic symbols or relocs. Use BFD_JUMP_TABLE_DYNAMIC
|
||
(_bfd_nodynamic). */
|
||
|
||
#define _bfd_nodynamic_get_dynamic_symtab_upper_bound _bfd_long_bfd_n1_error
|
||
#define _bfd_nodynamic_canonicalize_dynamic_symtab \
|
||
_bfd_nosymbols_canonicalize_symtab
|
||
extern long _bfd_nodynamic_get_synthetic_symtab
|
||
(bfd *, long, asymbol **, long, asymbol **, asymbol **) ATTRIBUTE_HIDDEN;
|
||
#define _bfd_nodynamic_get_dynamic_reloc_upper_bound _bfd_long_bfd_n1_error
|
||
extern long _bfd_nodynamic_canonicalize_dynamic_reloc
|
||
(bfd *, arelent **, asymbol **) ATTRIBUTE_HIDDEN;
|
||
|
||
/* Generic routine to determine of the given symbol is a local
|
||
label. */
|
||
extern bool bfd_generic_is_local_label_name
|
||
(bfd *, const char *) ATTRIBUTE_HIDDEN;
|
||
|
||
/* Generic minisymbol routines. */
|
||
extern long _bfd_generic_read_minisymbols
|
||
(bfd *, bool, void **, unsigned int *) ATTRIBUTE_HIDDEN;
|
||
extern asymbol *_bfd_generic_minisymbol_to_symbol
|
||
(bfd *, bool, const void *, asymbol *) ATTRIBUTE_HIDDEN;
|
||
|
||
/* Find the nearest line using .stab/.stabstr sections. */
|
||
extern bool _bfd_stab_section_find_nearest_line
|
||
(bfd *, asymbol **, asection *, bfd_vma, bool *,
|
||
const char **, const char **, unsigned int *, void **) ATTRIBUTE_HIDDEN;
|
||
|
||
/* Find the nearest line using DWARF 1 debugging information. */
|
||
extern bool _bfd_dwarf1_find_nearest_line
|
||
(bfd *, asymbol **, asection *, bfd_vma,
|
||
const char **, const char **, unsigned int *) ATTRIBUTE_HIDDEN;
|
||
|
||
/* Clean up the data used to handle DWARF 1 debugging information. */
|
||
extern void _bfd_dwarf1_cleanup_debug_info
|
||
(bfd *, void **) ATTRIBUTE_HIDDEN;
|
||
|
||
struct dwarf_debug_section
|
||
{
|
||
const char * uncompressed_name;
|
||
const char * compressed_name;
|
||
};
|
||
|
||
/* Map of uncompressed DWARF debug section name to compressed one. It
|
||
is terminated by NULL uncompressed_name. */
|
||
|
||
extern const struct dwarf_debug_section dwarf_debug_sections[] ATTRIBUTE_HIDDEN;
|
||
|
||
/* Find the nearest line using DWARF 2 debugging information. */
|
||
extern int _bfd_dwarf2_find_nearest_line
|
||
(bfd *, asymbol **, asymbol *, asection *, bfd_vma,
|
||
const char **, const char **, unsigned int *, unsigned int *,
|
||
const struct dwarf_debug_section *, void **) ATTRIBUTE_HIDDEN;
|
||
|
||
/* Find the nearest line using DWARF 2 debugging information, with
|
||
the option of specifying a .gnu_debugaltlink file. */
|
||
extern int _bfd_dwarf2_find_nearest_line_with_alt
|
||
(bfd *, const char *, asymbol **, asymbol *, asection *, bfd_vma,
|
||
const char **, const char **, unsigned int *, unsigned int *,
|
||
const struct dwarf_debug_section *, void **) ATTRIBUTE_HIDDEN;
|
||
|
||
/* Find the bias between DWARF addresses and real addresses. */
|
||
extern bfd_signed_vma _bfd_dwarf2_find_symbol_bias
|
||
(asymbol **, void **) ATTRIBUTE_HIDDEN;
|
||
|
||
/* Find inliner info after calling bfd_find_nearest_line. */
|
||
extern bool _bfd_dwarf2_find_inliner_info
|
||
(bfd *, const char **, const char **, unsigned int *, void **)
|
||
ATTRIBUTE_HIDDEN;
|
||
|
||
/* Read DWARF 2 debugging information. */
|
||
extern bool _bfd_dwarf2_slurp_debug_info
|
||
(bfd *, bfd *, const struct dwarf_debug_section *, asymbol **, void **,
|
||
bool) ATTRIBUTE_HIDDEN;
|
||
|
||
/* Clean up the data used to handle DWARF 2 debugging information. */
|
||
extern void _bfd_dwarf2_cleanup_debug_info
|
||
(bfd *, void **) ATTRIBUTE_HIDDEN;
|
||
|
||
extern void _bfd_stab_cleanup
|
||
(bfd *, void **) ATTRIBUTE_HIDDEN;
|
||
|
||
/* Create a new section entry. */
|
||
extern struct bfd_hash_entry *bfd_section_hash_newfunc
|
||
(struct bfd_hash_entry *, struct bfd_hash_table *, const char *)
|
||
ATTRIBUTE_HIDDEN;
|
||
|
||
/* A routine to create entries for a bfd_link_hash_table. */
|
||
extern struct bfd_hash_entry *_bfd_link_hash_newfunc
|
||
(struct bfd_hash_entry *entry, struct bfd_hash_table *table,
|
||
const char *string) ATTRIBUTE_HIDDEN;
|
||
|
||
/* Initialize a bfd_link_hash_table. */
|
||
extern bool _bfd_link_hash_table_init
|
||
(struct bfd_link_hash_table *, bfd *,
|
||
struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
|
||
struct bfd_hash_table *,
|
||
const char *),
|
||
unsigned int) ATTRIBUTE_HIDDEN;
|
||
|
||
/* Generic link hash table creation routine. */
|
||
extern struct bfd_link_hash_table *_bfd_generic_link_hash_table_create
|
||
(bfd *) ATTRIBUTE_HIDDEN;
|
||
|
||
/* Generic link hash table destruction routine. */
|
||
extern void _bfd_generic_link_hash_table_free
|
||
(bfd *) ATTRIBUTE_HIDDEN;
|
||
|
||
/* Generic add symbol routine. */
|
||
extern bool _bfd_generic_link_add_symbols
|
||
(bfd *, struct bfd_link_info *) ATTRIBUTE_HIDDEN;
|
||
|
||
/* Generic archive add symbol routine. */
|
||
extern bool _bfd_generic_link_add_archive_symbols
|
||
(bfd *, struct bfd_link_info *,
|
||
bool (*) (bfd *, struct bfd_link_info *,
|
||
struct bfd_link_hash_entry *, const char *,
|
||
bool *)) ATTRIBUTE_HIDDEN;
|
||
|
||
/* Forward declaration to avoid prototype errors. */
|
||
typedef struct bfd_link_hash_entry _bfd_link_hash_entry;
|
||
|
||
/* Generic routine to add a single symbol. */
|
||
extern bool _bfd_generic_link_add_one_symbol
|
||
(struct bfd_link_info *, bfd *, const char *name, flagword,
|
||
asection *, bfd_vma, const char *, bool copy,
|
||
bool constructor, struct bfd_link_hash_entry **) ATTRIBUTE_HIDDEN;
|
||
|
||
/* Generic routine to mark section as supplying symbols only. */
|
||
extern void _bfd_generic_link_just_syms
|
||
(asection *, struct bfd_link_info *) ATTRIBUTE_HIDDEN;
|
||
|
||
/* Generic routine that does nothing. */
|
||
extern void _bfd_generic_copy_link_hash_symbol_type
|
||
(bfd *, struct bfd_link_hash_entry *, struct bfd_link_hash_entry *)
|
||
ATTRIBUTE_HIDDEN;
|
||
|
||
/* Generic link routine. */
|
||
extern bool _bfd_generic_final_link
|
||
(bfd *, struct bfd_link_info *) ATTRIBUTE_HIDDEN;
|
||
|
||
extern bool _bfd_generic_link_split_section
|
||
(bfd *, struct bfd_section *) ATTRIBUTE_HIDDEN;
|
||
|
||
extern bool _bfd_generic_section_already_linked
|
||
(bfd *, asection *, struct bfd_link_info *) ATTRIBUTE_HIDDEN;
|
||
|
||
/* Generic reloc_link_order processing routine. */
|
||
extern bool _bfd_generic_reloc_link_order
|
||
(bfd *, struct bfd_link_info *, asection *, struct bfd_link_order *)
|
||
ATTRIBUTE_HIDDEN;
|
||
|
||
/* Default link order processing routine. */
|
||
extern bool _bfd_default_link_order
|
||
(bfd *, struct bfd_link_info *, asection *, struct bfd_link_order *)
|
||
ATTRIBUTE_HIDDEN;
|
||
|
||
/* Count the number of reloc entries in a link order list. */
|
||
extern unsigned int _bfd_count_link_order_relocs
|
||
(struct bfd_link_order *) ATTRIBUTE_HIDDEN;
|
||
|
||
/* Final link relocation routine. */
|
||
extern bfd_reloc_status_type _bfd_final_link_relocate
|
||
(reloc_howto_type *, bfd *, asection *, bfd_byte *,
|
||
bfd_vma, bfd_vma, bfd_vma) ATTRIBUTE_HIDDEN;
|
||
|
||
/* Relocate a particular location by a howto and a value. */
|
||
extern bfd_reloc_status_type _bfd_relocate_contents
|
||
(reloc_howto_type *, bfd *, bfd_vma, bfd_byte *) ATTRIBUTE_HIDDEN;
|
||
|
||
/* Clear a given location using a given howto. */
|
||
extern bfd_reloc_status_type _bfd_clear_contents
|
||
(reloc_howto_type *, bfd *, asection *, bfd_byte *, bfd_vma) ATTRIBUTE_HIDDEN;
|
||
|
||
/* Register a SEC_MERGE section as a candidate for merging. */
|
||
|
||
extern bool _bfd_add_merge_section
|
||
(bfd *, void **, asection *, void **) ATTRIBUTE_HIDDEN;
|
||
|
||
/* Attempt to merge SEC_MERGE sections. */
|
||
|
||
extern bool _bfd_merge_sections
|
||
(bfd *, struct bfd_link_info *, void *, void (*) (bfd *, asection *))
|
||
ATTRIBUTE_HIDDEN;
|
||
|
||
/* Write out a merged section. */
|
||
|
||
extern bool _bfd_write_merged_section
|
||
(bfd *, asection *, void *) ATTRIBUTE_HIDDEN;
|
||
|
||
/* Find an offset within a modified SEC_MERGE section. */
|
||
|
||
extern bfd_vma _bfd_merged_section_offset
|
||
(bfd *, asection **, void *, bfd_vma) ATTRIBUTE_HIDDEN;
|
||
|
||
/* Tidy up when done. */
|
||
|
||
extern void _bfd_merge_sections_free (void *) ATTRIBUTE_HIDDEN;
|
||
|
||
/* Macros to tell if bfds are read or write enabled.
|
||
|
||
Note that bfds open for read may be scribbled into if the fd passed
|
||
to bfd_fdopenr is actually open both for read and write
|
||
simultaneously. However an output bfd will never be open for
|
||
read. Therefore sometimes you want to check bfd_read_p or
|
||
!bfd_read_p, and only sometimes bfd_write_p.
|
||
*/
|
||
|
||
#define bfd_read_p(abfd) \
|
||
((abfd)->direction == read_direction || (abfd)->direction == both_direction)
|
||
#define bfd_write_p(abfd) \
|
||
((abfd)->direction == write_direction || (abfd)->direction == both_direction)
|
||
|
||
extern void bfd_assert
|
||
(const char*,int) ATTRIBUTE_HIDDEN;
|
||
|
||
#define BFD_ASSERT(x) \
|
||
do { if (!(x)) bfd_assert(__FILE__,__LINE__); } while (0)
|
||
|
||
#define BFD_FAIL() \
|
||
do { bfd_assert(__FILE__,__LINE__); } while (0)
|
||
|
||
extern void _bfd_abort
|
||
(const char *, int, const char *) ATTRIBUTE_NORETURN ATTRIBUTE_HIDDEN;
|
||
|
||
/* if gcc >= 2.6, we can give a function name, too */
|
||
#if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 6)
|
||
#define __PRETTY_FUNCTION__ ((char *) NULL)
|
||
#endif
|
||
|
||
#undef abort
|
||
#define abort() _bfd_abort (__FILE__, __LINE__, __PRETTY_FUNCTION__)
|
||
|
||
/* Manipulate a system FILE but using BFD's "file_ptr", rather than
|
||
the system "off_t" or "off64_t", as the offset. */
|
||
extern file_ptr _bfd_real_ftell
|
||
(FILE *) ATTRIBUTE_HIDDEN;
|
||
extern int _bfd_real_fseek
|
||
(FILE *, file_ptr, int) ATTRIBUTE_HIDDEN;
|
||
extern FILE *_bfd_real_fopen
|
||
(const char *, const char *) ATTRIBUTE_HIDDEN;
|
||
|
||
/* List of supported target vectors, and the default vector (if
|
||
bfd_default_vector[0] is NULL, there is no default). */
|
||
extern const bfd_target *const *const bfd_target_vector ATTRIBUTE_HIDDEN;
|
||
extern const bfd_target *bfd_default_vector[] ATTRIBUTE_HIDDEN;
|
||
|
||
/* List of associated target vectors. */
|
||
extern const bfd_target *const *const bfd_associated_vector ATTRIBUTE_HIDDEN;
|
||
|
||
/* Functions shared by the ECOFF and MIPS ELF backends, which have no
|
||
other common header files. */
|
||
|
||
struct ecoff_debug_info;
|
||
struct ecoff_debug_swap;
|
||
struct ecoff_extr;
|
||
struct ecoff_find_line;
|
||
|
||
extern void _bfd_ecoff_free_ecoff_debug_info
|
||
(struct ecoff_debug_info *debug);
|
||
extern bool _bfd_ecoff_locate_line
|
||
(bfd *, asection *, bfd_vma, struct ecoff_debug_info * const,
|
||
const struct ecoff_debug_swap * const, struct ecoff_find_line *,
|
||
const char **, const char **, unsigned int *) ATTRIBUTE_HIDDEN;
|
||
extern bool _bfd_ecoff_get_accumulated_pdr
|
||
(void *, bfd_byte *) ATTRIBUTE_HIDDEN;
|
||
extern bool _bfd_ecoff_get_accumulated_sym
|
||
(void *, bfd_byte *) ATTRIBUTE_HIDDEN;
|
||
extern bool _bfd_ecoff_get_accumulated_ss
|
||
(void *, bfd_byte *) ATTRIBUTE_HIDDEN;
|
||
|
||
extern bfd_vma _bfd_get_gp_value
|
||
(bfd *) ATTRIBUTE_HIDDEN;
|
||
extern void _bfd_set_gp_value
|
||
(bfd *, bfd_vma) ATTRIBUTE_HIDDEN;
|
||
|
||
/* Function shared by the COFF and ELF SH backends, which have no
|
||
other common header files. */
|
||
|
||
#ifndef _bfd_sh_align_load_span
|
||
extern bool _bfd_sh_align_load_span
|
||
(bfd *, asection *, bfd_byte *,
|
||
bool (*) (bfd *, asection *, void *, bfd_byte *, bfd_vma),
|
||
void *, bfd_vma **, bfd_vma *, bfd_vma, bfd_vma, bool *) ATTRIBUTE_HIDDEN;
|
||
#endif
|
||
|
||
/* This is the shape of the elements inside the already_linked hash
|
||
table. It maps a name onto a list of already_linked elements with
|
||
the same name. */
|
||
|
||
struct bfd_section_already_linked_hash_entry
|
||
{
|
||
struct bfd_hash_entry root;
|
||
struct bfd_section_already_linked *entry;
|
||
};
|
||
|
||
struct bfd_section_already_linked
|
||
{
|
||
struct bfd_section_already_linked *next;
|
||
asection *sec;
|
||
};
|
||
|
||
extern struct bfd_section_already_linked_hash_entry *
|
||
bfd_section_already_linked_table_lookup (const char *) ATTRIBUTE_HIDDEN;
|
||
extern bool bfd_section_already_linked_table_insert
|
||
(struct bfd_section_already_linked_hash_entry *, asection *)
|
||
ATTRIBUTE_HIDDEN;
|
||
extern void bfd_section_already_linked_table_traverse
|
||
(bool (*) (struct bfd_section_already_linked_hash_entry *,
|
||
void *), void *) ATTRIBUTE_HIDDEN;
|
||
|
||
extern bfd_vma _bfd_read_unsigned_leb128
|
||
(bfd *, bfd_byte *, unsigned int *) ATTRIBUTE_HIDDEN;
|
||
extern bfd_signed_vma _bfd_read_signed_leb128
|
||
(bfd *, bfd_byte *, unsigned int *) ATTRIBUTE_HIDDEN;
|
||
extern bfd_vma _bfd_safe_read_leb128
|
||
(bfd *, bfd_byte **, bool, const bfd_byte * const) ATTRIBUTE_HIDDEN;
|
||
extern bfd_byte * _bfd_write_unsigned_leb128
|
||
(bfd_byte *, bfd_byte *, bfd_vma) ATTRIBUTE_HIDDEN;
|
||
|
||
extern struct bfd_link_info *_bfd_get_link_info (bfd *)
|
||
ATTRIBUTE_HIDDEN;
|
||
|
||
#ifdef HAVE_MMAP
|
||
extern uintptr_t _bfd_pagesize ATTRIBUTE_HIDDEN;
|
||
extern uintptr_t _bfd_pagesize_m1 ATTRIBUTE_HIDDEN;
|
||
extern uintptr_t _bfd_minimum_mmap_size ATTRIBUTE_HIDDEN;
|
||
#endif
|
||
|
||
#if GCC_VERSION >= 7000
|
||
#define _bfd_mul_overflow(a, b, res) __builtin_mul_overflow (a, b, res)
|
||
#else
|
||
/* Assumes unsigned values. Careful! Args evaluated multiple times. */
|
||
#define _bfd_mul_overflow(a, b, res) \
|
||
((*res) = (a), (*res) *= (b), (b) != 0 && (*res) / (b) != (a))
|
||
#endif
|
||
|
||
#ifdef __GNUC__
|
||
#define _bfd_constant_p(v) __builtin_constant_p (v)
|
||
#else
|
||
#define _bfd_constant_p(v) 0
|
||
#endif
|
||
|
||
static inline void *
|
||
_bfd_alloc_and_read (bfd *abfd, bfd_size_type asize, bfd_size_type rsize)
|
||
{
|
||
void *mem;
|
||
if (!_bfd_constant_p (rsize))
|
||
{
|
||
ufile_ptr filesize = bfd_get_file_size (abfd);
|
||
if (filesize != 0 && rsize > filesize)
|
||
{
|
||
bfd_set_error (bfd_error_file_truncated);
|
||
return NULL;
|
||
}
|
||
}
|
||
mem = bfd_alloc (abfd, asize);
|
||
if (mem != NULL)
|
||
{
|
||
if (bfd_read (mem, rsize, abfd) == rsize)
|
||
return mem;
|
||
bfd_release (abfd, mem);
|
||
}
|
||
return NULL;
|
||
}
|
||
|
||
static inline void *
|
||
_bfd_malloc_and_read (bfd *abfd, bfd_size_type asize, bfd_size_type rsize)
|
||
{
|
||
void *mem;
|
||
if (!_bfd_constant_p (rsize))
|
||
{
|
||
ufile_ptr filesize = bfd_get_file_size (abfd);
|
||
if (filesize != 0 && rsize > filesize)
|
||
{
|
||
bfd_set_error (bfd_error_file_truncated);
|
||
return NULL;
|
||
}
|
||
}
|
||
mem = bfd_malloc (asize);
|
||
if (mem != NULL)
|
||
{
|
||
if (bfd_read (mem, rsize, abfd) == rsize)
|
||
return mem;
|
||
free (mem);
|
||
}
|
||
return NULL;
|
||
}
|
||
|
||
#ifdef USE_MMAP
|
||
extern void *_bfd_mmap_persistent
|
||
(bfd *, size_t) ATTRIBUTE_HIDDEN;
|
||
extern void *_bfd_mmap_temporary
|
||
(bfd *, size_t, void **, size_t *) ATTRIBUTE_HIDDEN;
|
||
extern void _bfd_munmap_temporary
|
||
(void *, size_t) ATTRIBUTE_HIDDEN;
|
||
#else
|
||
static inline void *
|
||
_bfd_mmap_persistent (bfd *abfd, size_t rsize)
|
||
{
|
||
return _bfd_alloc_and_read (abfd, rsize, rsize);
|
||
}
|
||
static inline void *
|
||
_bfd_mmap_temporary (bfd *abfd, size_t rsize, void **map_addr,
|
||
size_t *map_size)
|
||
{
|
||
void *mem = _bfd_malloc_and_read (abfd, rsize, rsize);
|
||
*map_addr = mem;
|
||
*map_size = rsize;
|
||
return mem;
|
||
}
|
||
static inline void
|
||
_bfd_munmap_temporary (void *ptr, size_t rsize ATTRIBUTE_UNUSED)
|
||
{
|
||
free (ptr);
|
||
}
|
||
#endif
|
||
|
||
extern bool _bfd_mmap_read_temporary
|
||
(void **, size_t *, void **, bfd *, bool) ATTRIBUTE_HIDDEN;
|