Coverage Report

Created: 2023-08-28 06:25

/src/binutils-gdb/bfd/elf-bfd.h
Line
Count
Source (jump to first uncovered line)
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/* BFD back-end data structures for ELF files.
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   Copyright (C) 1992-2023 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 _LIBELF_H_
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#define _LIBELF_H_ 1
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#include <stdlib.h>
26
27
#include "elf/common.h"
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#include "elf/external.h"
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#include "elf/internal.h"
30
#include "bfdlink.h"
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32
#ifndef ENABLE_CHECKING
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#define ENABLE_CHECKING 0
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#endif
35
36
#ifdef __cplusplus
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extern "C" {
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#endif
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/* The number of entries in a section is its size divided by the size
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   of a single entry.  This is normally only applicable to reloc and
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   symbol table sections.
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   PR 9934: It is possible to have relocations that do not refer to
44
   symbols, thus it is also possible to have a relocation section in
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   an object file, but no symbol table.  */
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0
#define NUM_SHDR_ENTRIES(shdr) ((shdr)->sh_entsize > 0 ? (shdr)->sh_size / (shdr)->sh_entsize : 0)
47
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/* If size isn't specified as 64 or 32, NAME macro should fail.  */
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#ifndef NAME
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#if ARCH_SIZE == 64
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10.1M
#define NAME(x, y) x ## 64 ## _ ## y
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#endif
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#if ARCH_SIZE == 32
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32.1M
#define NAME(x, y) x ## 32 ## _ ## y
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#endif
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#endif
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58
#ifndef NAME
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#define NAME(x, y) x ## NOSIZE ## _ ## y
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#endif
61
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#define ElfNAME(X)  NAME(Elf,X)
63
#define elfNAME(X)  NAME(elf,X)
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/* Information held for an ELF symbol.  The first field is the
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   corresponding asymbol.  Every symbol is an ELF file is actually a
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   pointer to this structure, although it is often handled as a
68
   pointer to an asymbol.  */
69
70
typedef struct
71
{
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  /* The BFD symbol.  */
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  asymbol symbol;
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  /* ELF symbol information.  */
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  Elf_Internal_Sym internal_elf_sym;
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  /* Backend specific information.  */
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  union
78
    {
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      unsigned int hppa_arg_reloc;
80
      void *mips_extr;
81
      void *any;
82
    }
83
  tc_data;
84
85
  /* Version information.  This is from an Elf_Internal_Versym
86
     structure in a SHT_GNU_versym section.  It is zero if there is no
87
     version information.  */
88
  unsigned short version;
89
90
} elf_symbol_type;
91

92
struct elf_strtab_hash;
93
struct got_entry;
94
struct plt_entry;
95
96
union gotplt_union
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  {
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    bfd_signed_vma refcount;
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    bfd_vma offset;
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    struct got_entry *glist;
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    struct plt_entry *plist;
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  };
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struct elf_link_virtual_table_entry
105
  {
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    /* Virtual table entry use information.  This array is nominally of size
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       size/sizeof(target_void_pointer), though we have to be able to assume
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       and track a size while the symbol is still undefined.  It is indexed
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       via offset/sizeof(target_void_pointer).  */
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    size_t size;
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    bool *used;
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113
    /* Virtual table derivation info.  */
114
    struct elf_link_hash_entry *parent;
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  };
116
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/* ELF symbol version.  */
118
enum elf_symbol_version
119
  {
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    unknown = 0,
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    unversioned,
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    versioned,
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    versioned_hidden
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  };
125
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/* ELF linker hash table entries.  */
127
128
struct elf_link_hash_entry
129
{
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  struct bfd_link_hash_entry root;
131
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  /* Symbol index in output file.  This is initialized to -1.  It is
133
     set to -2 if the symbol is used by a reloc.  It is set to -3 if
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     this symbol is defined in a discarded section.  */
135
  long indx;
136
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  /* Symbol index as a dynamic symbol.  Initialized to -1, and remains
138
     -1 if this is not a dynamic symbol.  */
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  /* ??? Note that this is consistently used as a synonym for tests
140
     against whether we can perform various simplifying transformations
141
     to the code.  (E.g. changing a pc-relative jump to a PLT entry
142
     into a pc-relative jump to the target function.)  That test, which
143
     is often relatively complex, and someplaces wrong or incomplete,
144
     should really be replaced by a predicate in elflink.c.
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     End result: this field -1 does not indicate that the symbol is
147
     not in the dynamic symbol table, but rather that the symbol is
148
     not visible outside this DSO.  */
149
  long dynindx;
150
151
  /* If this symbol requires an entry in the global offset table, the
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     processor specific backend uses this field to track usage and
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     final offset.  Two schemes are supported:  The first assumes that
154
     a symbol may only have one GOT entry, and uses REFCOUNT until
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     size_dynamic_sections, at which point the contents of the .got is
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     fixed.  Afterward, if OFFSET is -1, then the symbol does not
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     require a global offset table entry.  The second scheme allows
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     multiple GOT entries per symbol, managed via a linked list
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     pointed to by GLIST.  */
160
  union gotplt_union got;
161
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  /* Same, but tracks a procedure linkage table entry.  */
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  union gotplt_union plt;
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  /* Symbol size.  NB: All fields starting from here are cleared by
166
    _bfd_elf_link_hash_newfunc.  */
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  bfd_size_type size;
168
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  /* Track dynamic relocs copied for this symbol.  */
170
  struct elf_dyn_relocs *dyn_relocs;
171
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  /* Symbol type (STT_NOTYPE, STT_OBJECT, etc.).  */
173
  unsigned int type : 8;
174
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  /* Symbol st_other value, symbol visibility.  */
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  unsigned int other : 8;
177
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  /* The symbol's st_target_internal value (see Elf_Internal_Sym).  */
179
  unsigned int target_internal : 8;
180
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  /* Symbol is referenced by a non-shared object (other than the object
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     in which it is defined).  */
183
  unsigned int ref_regular : 1;
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  /* Symbol is defined by a non-shared object.  */
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  unsigned int def_regular : 1;
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  /* Symbol is referenced by a shared object.  */
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  unsigned int ref_dynamic : 1;
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  /* Symbol is defined by a shared object.  */
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  unsigned int def_dynamic : 1;
190
  /* Symbol has a non-weak reference from a non-shared object (other than
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     the object in which it is defined).  */
192
  unsigned int ref_regular_nonweak : 1;
193
  /* Symbol has a non-weak reference from a LTO IR object file.  */
194
  unsigned int ref_ir_nonweak : 1;
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  /* Dynamic symbol has been adjustd.  */
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  unsigned int dynamic_adjusted : 1;
197
  /* Symbol needs a copy reloc.  */
198
  unsigned int needs_copy : 1;
199
  /* Symbol needs a procedure linkage table entry.  */
200
  unsigned int needs_plt : 1;
201
  /* Symbol appears in a non-ELF input file.  */
202
  unsigned int non_elf : 1;
203
  /* Symbol version information.  */
204
  ENUM_BITFIELD (elf_symbol_version) versioned : 2;
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  /* Symbol was forced to local scope due to a version script file.  */
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  unsigned int forced_local : 1;
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  /* Symbol was forced to be dynamic due to a version script file.  */
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  unsigned int dynamic : 1;
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  /* Symbol was marked during garbage collection.  */
210
  unsigned int mark : 1;
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  /* Symbol is referenced by a non-GOT/non-PLT relocation.  This is
212
     not currently set by all the backends.  */
213
  unsigned int non_got_ref : 1;
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  /* Symbol has a definition in a shared object.
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     FIXME: There is no real need for this field if def_dynamic is never
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     cleared and all places that test def_dynamic also test def_regular.  */
217
  unsigned int dynamic_def : 1;
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  /* Symbol has a non-weak reference from a shared object.  */
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  unsigned int ref_dynamic_nonweak : 1;
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  /* Symbol is referenced with a relocation where C/C++ pointer equality
221
     matters.  */
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  unsigned int pointer_equality_needed : 1;
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  /* Symbol is a unique global symbol.  */
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  unsigned int unique_global : 1;
225
  /* Symbol is defined by a shared library with non-default visibility
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     in a read/write section.  */
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  unsigned int protected_def : 1;
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  /* Symbol is __start_SECNAME or __stop_SECNAME to mark section
229
     SECNAME.  */
230
  unsigned int start_stop : 1;
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  /* Symbol is or was a weak defined symbol from a dynamic object with
232
     a strong defined symbol alias.  U.ALIAS points to a list of aliases,
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     the definition having is_weakalias clear.  */
234
  unsigned int is_weakalias : 1;
235
236
  /* String table index in .dynstr if this is a dynamic symbol.  */
237
  unsigned long dynstr_index;
238
239
  union
240
  {
241
    /* Points to a circular list of non-function symbol aliases.  */
242
    struct elf_link_hash_entry *alias;
243
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    /* Hash value of the name computed using the ELF hash function.
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       Used part way through size_dynamic_sections, after we've finished
246
       with aliases.  */
247
    unsigned long elf_hash_value;
248
  } u;
249
250
  /* Version information.  */
251
  union
252
  {
253
    /* This field is used for a symbol which is not defined in a
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       regular object.  It points to the version information read in
255
       from the dynamic object.  */
256
    Elf_Internal_Verdef *verdef;
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    /* This field is used for a symbol which is defined in a regular
258
       object.  It is set up in size_dynamic_sections.  It points to
259
       the version information we should write out for this symbol.  */
260
    struct bfd_elf_version_tree *vertree;
261
  } verinfo;
262
263
  union
264
  {
265
    /* For __start_SECNAME and __stop_SECNAME symbols, record the first
266
       input section whose section name is SECNAME.  */
267
    asection *start_stop_section;
268
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    /* Vtable information. */
270
    struct elf_link_virtual_table_entry *vtable;
271
  } u2;
272
};
273
274
/* Return the strong definition for a weak symbol with aliases.  */
275
276
static inline struct elf_link_hash_entry *
277
weakdef (struct elf_link_hash_entry *h)
278
0
{
279
0
  while (h->is_weakalias)
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0
    h = h->u.alias;
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0
  return h;
282
0
}
Unexecuted instantiation: bfd.c:weakdef
Unexecuted instantiation: opncls.c:weakdef
Unexecuted instantiation: elf64-x86-64.c:weakdef
Unexecuted instantiation: elfxx-x86.c:weakdef
Unexecuted instantiation: elf-ifunc.c:weakdef
Unexecuted instantiation: elf-vxworks.c:weakdef
Unexecuted instantiation: elf64.c:weakdef
Unexecuted instantiation: elf.c:weakdef
Unexecuted instantiation: elflink.c:weakdef
Unexecuted instantiation: elf-attrs.c:weakdef
Unexecuted instantiation: elf-strtab.c:weakdef
Unexecuted instantiation: elf-eh-frame.c:weakdef
Unexecuted instantiation: elf-sframe.c:weakdef
Unexecuted instantiation: dwarf1.c:weakdef
Unexecuted instantiation: dwarf2.c:weakdef
Unexecuted instantiation: elf32-i386.c:weakdef
Unexecuted instantiation: elf32.c:weakdef
Unexecuted instantiation: elf64-gen.c:weakdef
Unexecuted instantiation: elf32-gen.c:weakdef
Unexecuted instantiation: elf32-aarch64.c:weakdef
Unexecuted instantiation: elf32-ia64.c:weakdef
Unexecuted instantiation: elf32-kvx.c:weakdef
Unexecuted instantiation: elf32-loongarch.c:weakdef
Unexecuted instantiation: elf32-mips.c:weakdef
Unexecuted instantiation: elf32-riscv.c:weakdef
Unexecuted instantiation: elf32-score.c:weakdef
Unexecuted instantiation: elf32-score7.c:weakdef
Unexecuted instantiation: elf64-aarch64.c:weakdef
Unexecuted instantiation: elf64-alpha.c:weakdef
Unexecuted instantiation: elf64-amdgcn.c:weakdef
Unexecuted instantiation: elf64-bpf.c:weakdef
Unexecuted instantiation: elf64-hppa.c:weakdef
Unexecuted instantiation: elf64-ia64-vms.c:weakdef
Unexecuted instantiation: elf64-ia64.c:weakdef
Unexecuted instantiation: elf64-kvx.c:weakdef
Unexecuted instantiation: elf64-loongarch.c:weakdef
Unexecuted instantiation: elf64-mips.c:weakdef
Unexecuted instantiation: elf64-mmix.c:weakdef
Unexecuted instantiation: elf64-nfp.c:weakdef
Unexecuted instantiation: elf64-ppc.c:weakdef
Unexecuted instantiation: elf64-riscv.c:weakdef
Unexecuted instantiation: elf64-s390.c:weakdef
Unexecuted instantiation: elf64-sparc.c:weakdef
Unexecuted instantiation: elf64-tilegx.c:weakdef
Unexecuted instantiation: elfn32-mips.c:weakdef
Unexecuted instantiation: elfxx-aarch64.c:weakdef
Unexecuted instantiation: elfxx-ia64.c:weakdef
Unexecuted instantiation: elfxx-kvx.c:weakdef
Unexecuted instantiation: elfxx-loongarch.c:weakdef
Unexecuted instantiation: elfxx-mips.c:weakdef
Unexecuted instantiation: elfxx-riscv.c:weakdef
Unexecuted instantiation: elf-m10200.c:weakdef
Unexecuted instantiation: elf-m10300.c:weakdef
Unexecuted instantiation: elf32-am33lin.c:weakdef
Unexecuted instantiation: elf32-arc.c:weakdef
Unexecuted instantiation: elf32-arm.c:weakdef
Unexecuted instantiation: elf32-avr.c:weakdef
Unexecuted instantiation: elf32-bfin.c:weakdef
Unexecuted instantiation: elf32-cr16.c:weakdef
Unexecuted instantiation: elf32-cris.c:weakdef
Unexecuted instantiation: elf32-crx.c:weakdef
Unexecuted instantiation: elf32-csky.c:weakdef
Unexecuted instantiation: elf32-d10v.c:weakdef
Unexecuted instantiation: elf32-d30v.c:weakdef
Unexecuted instantiation: elf32-dlx.c:weakdef
Unexecuted instantiation: elf32-epiphany.c:weakdef
Unexecuted instantiation: elf32-fr30.c:weakdef
Unexecuted instantiation: elf32-frv.c:weakdef
Unexecuted instantiation: elf32-ft32.c:weakdef
Unexecuted instantiation: elf32-h8300.c:weakdef
Unexecuted instantiation: elf32-hppa.c:weakdef
Unexecuted instantiation: elf32-ip2k.c:weakdef
Unexecuted instantiation: elf32-iq2000.c:weakdef
Unexecuted instantiation: elf32-lm32.c:weakdef
Unexecuted instantiation: elf32-m32c.c:weakdef
Unexecuted instantiation: elf32-m32r.c:weakdef
Unexecuted instantiation: elf32-m68hc11.c:weakdef
Unexecuted instantiation: elf32-m68hc12.c:weakdef
Unexecuted instantiation: elf32-m68hc1x.c:weakdef
Unexecuted instantiation: elf32-m68k.c:weakdef
Unexecuted instantiation: elf32-mcore.c:weakdef
Unexecuted instantiation: elf32-mep.c:weakdef
Unexecuted instantiation: elf32-metag.c:weakdef
Unexecuted instantiation: elf32-microblaze.c:weakdef
Unexecuted instantiation: elf32-moxie.c:weakdef
Unexecuted instantiation: elf32-msp430.c:weakdef
Unexecuted instantiation: elf32-mt.c:weakdef
Unexecuted instantiation: elf32-nds32.c:weakdef
Unexecuted instantiation: elf32-nios2.c:weakdef
Unexecuted instantiation: elf32-or1k.c:weakdef
Unexecuted instantiation: elf32-pj.c:weakdef
Unexecuted instantiation: elf32-ppc.c:weakdef
Unexecuted instantiation: elf32-pru.c:weakdef
Unexecuted instantiation: elf32-rl78.c:weakdef
Unexecuted instantiation: elf32-rx.c:weakdef
Unexecuted instantiation: elf32-s12z.c:weakdef
Unexecuted instantiation: elf32-s390.c:weakdef
Unexecuted instantiation: elf32-sh.c:weakdef
Unexecuted instantiation: elf32-sparc.c:weakdef
Unexecuted instantiation: elf32-spu.c:weakdef
Unexecuted instantiation: elf32-tic6x.c:weakdef
Unexecuted instantiation: elf32-tilegx.c:weakdef
Unexecuted instantiation: elf32-tilepro.c:weakdef
Unexecuted instantiation: elf32-v850.c:weakdef
Unexecuted instantiation: elf32-vax.c:weakdef
Unexecuted instantiation: elf32-visium.c:weakdef
Unexecuted instantiation: elf32-wasm32.c:weakdef
Unexecuted instantiation: elf32-xgate.c:weakdef
Unexecuted instantiation: elf32-xstormy16.c:weakdef
Unexecuted instantiation: elf32-xtensa.c:weakdef
Unexecuted instantiation: elf32-z80.c:weakdef
Unexecuted instantiation: elfxx-sparc.c:weakdef
Unexecuted instantiation: elfxx-tilegx.c:weakdef
Unexecuted instantiation: cpu-nds32.c:weakdef
Unexecuted instantiation: compress.c:weakdef
Unexecuted instantiation: elf-properties.c:weakdef
Unexecuted instantiation: merge.c:weakdef
Unexecuted instantiation: elf-nacl.c:weakdef
283
284
/* Will references to this symbol always reference the symbol
285
   in this object?  */
286
#define SYMBOL_REFERENCES_LOCAL(INFO, H) \
287
0
  _bfd_elf_symbol_refs_local_p (H, INFO, 0)
288
289
/* Will _calls_ to this symbol always call the version in this object?  */
290
#define SYMBOL_CALLS_LOCAL(INFO, H) \
291
0
  _bfd_elf_symbol_refs_local_p (H, INFO, 1)
292
293
/* Whether an undefined weak symbol should resolve to its link-time
294
   value, even in PIC or PIE objects.  The linker_def test is to
295
   handle symbols like __ehdr_start that may be undefweak in early
296
   stages of linking but are guaranteed to be defined later.  */
297
#define UNDEFWEAK_NO_DYNAMIC_RELOC(INFO, H)   \
298
0
  ((H)->root.type == bfd_link_hash_undefweak    \
299
0
   && !(H)->root.linker_def        \
300
0
   && (ELF_ST_VISIBILITY ((H)->other) != STV_DEFAULT  \
301
0
       || (INFO)->dynamic_undefined_weak == 0))
302
303
/* Common symbols that are turned into definitions don't have the
304
   DEF_REGULAR flag set, so they might appear to be undefined.
305
   Symbols defined in linker scripts also don't have DEF_REGULAR set.  */
306
#define ELF_COMMON_DEF_P(H) \
307
0
  (!(H)->def_regular              \
308
0
   && !(H)->def_dynamic              \
309
0
   && (H)->root.type == bfd_link_hash_defined)
310
311
/* Records local symbols to be emitted in the dynamic symbol table.  */
312
313
struct elf_link_local_dynamic_entry
314
{
315
  struct elf_link_local_dynamic_entry *next;
316
317
  /* The input bfd this symbol came from.  */
318
  bfd *input_bfd;
319
320
  /* The index of the local symbol being copied.  */
321
  long input_indx;
322
323
  /* The index in the outgoing dynamic symbol table.  */
324
  long dynindx;
325
326
  /* A copy of the input symbol.  */
327
  Elf_Internal_Sym isym;
328
};
329
330
struct elf_link_loaded_list
331
{
332
  struct elf_link_loaded_list *next;
333
  bfd *abfd;
334
};
335
336
/* Structures used by the eh_frame optimization code.  */
337
struct eh_cie_fde
338
{
339
  union {
340
    struct {
341
      /* If REMOVED == 1, this is the CIE that the FDE originally used.
342
   The CIE belongs to the same .eh_frame input section as the FDE.
343
344
   If REMOVED == 0, this is the CIE that we have chosen to use for
345
   the output FDE.  The CIE's REMOVED field is also 0, but the CIE
346
   might belong to a different .eh_frame input section from the FDE.
347
348
   May be NULL to signify that the FDE should be discarded.  */
349
      struct eh_cie_fde *cie_inf;
350
      struct eh_cie_fde *next_for_section;
351
    } fde;
352
    struct {
353
      /* CIEs have three states:
354
355
   - REMOVED && !MERGED: Slated for removal because we haven't yet
356
     proven that an FDE needs it.  FULL_CIE, if nonnull, points to
357
     more detailed information about the CIE.
358
359
   - REMOVED && MERGED: We have merged this CIE with MERGED_WITH,
360
     which may not belong to the same input section.
361
362
   - !REMOVED: We have decided to keep this CIE.  SEC is the
363
     .eh_frame input section that contains the CIE.  */
364
      union {
365
  struct cie *full_cie;
366
  struct eh_cie_fde *merged_with;
367
  asection *sec;
368
      } u;
369
370
      /* The offset of the personality data from the start of the CIE,
371
   or 0 if the CIE doesn't have any.  */
372
      unsigned int personality_offset : 8;
373
374
      /* Length of augmentation.  aug_str_len is the length of the
375
   string including null terminator.  aug_data_len is the length
376
   of the rest up to the initial insns.  */
377
      unsigned int aug_str_len : 3;
378
      unsigned int aug_data_len : 5;
379
380
      /* True if we have marked relocations associated with this CIE.  */
381
      unsigned int gc_mark : 1;
382
383
      /* True if we have decided to turn an absolute LSDA encoding into
384
   a PC-relative one.  */
385
      unsigned int make_lsda_relative : 1;
386
387
      /* True if we have decided to turn an absolute personality
388
   encoding into a PC-relative one.  */
389
      unsigned int make_per_encoding_relative : 1;
390
391
      /* True if the CIE contains personality data and if that
392
   data uses a PC-relative encoding.  Always true when
393
   make_per_encoding_relative is.  */
394
      unsigned int per_encoding_relative : 1;
395
396
      /* True if the CIE contains personality data aligned to a
397
   multiple of eight bytes.  */
398
      unsigned int per_encoding_aligned8 : 1;
399
400
      /* True if we need to add an 'R' (FDE encoding) entry to the
401
   CIE's augmentation data.  */
402
      unsigned int add_fde_encoding : 1;
403
404
      /* True if we have merged this CIE with another.  */
405
      unsigned int merged : 1;
406
407
      /* Unused bits.  */
408
      unsigned int pad1 : 9;
409
    } cie;
410
  } u;
411
  unsigned int reloc_index;
412
  unsigned int size;
413
  unsigned int offset;
414
  unsigned int new_offset;
415
  unsigned int fde_encoding : 8;
416
  unsigned int lsda_encoding : 8;
417
  unsigned int lsda_offset : 8;
418
419
  /* True if this entry represents a CIE, false if it represents an FDE.  */
420
  unsigned int cie : 1;
421
422
  /* True if this entry is currently marked for removal.  */
423
  unsigned int removed : 1;
424
425
  /* True if we need to add a 'z' (augmentation size) entry to the CIE's
426
     augmentation data, and an associated byte to each of the CIE's FDEs.  */
427
  unsigned int add_augmentation_size : 1;
428
429
  /* True if we have decided to convert absolute FDE relocations into
430
     relative ones.  This applies to the first relocation in the FDE,
431
     which is against the code that the FDE describes.  */
432
  unsigned int make_relative : 1;
433
434
  /* Unused bits.  */
435
  unsigned int pad1 : 4;
436
437
  unsigned int *set_loc;
438
};
439
440
struct eh_frame_sec_info
441
{
442
  unsigned int count;
443
  struct cie *cies;
444
  struct eh_cie_fde entry[1];
445
};
446
447
struct eh_frame_array_ent
448
{
449
  bfd_vma initial_loc;
450
  bfd_size_type range;
451
  bfd_vma fde;
452
};
453
454
struct htab;
455
456
0
#define DWARF2_EH_HDR 1
457
0
#define COMPACT_EH_HDR 2
458
459
/* Endian-neutral code indicating that a function cannot be unwound.  */
460
0
#define COMPACT_EH_CANT_UNWIND_OPCODE 0x015d5d01
461
462
struct dwarf_eh_frame_hdr_info
463
{
464
  struct htab *cies;
465
  unsigned int fde_count;
466
  /* TRUE if .eh_frame_hdr should contain the sorted search table.
467
     We build it if we successfully read all .eh_frame input sections
468
     and recognize them.  */
469
  bool table;
470
  struct eh_frame_array_ent *array;
471
};
472
473
struct compact_eh_frame_hdr_info
474
{
475
  unsigned int allocated_entries;
476
  /* eh_frame_entry fragments.  */
477
  asection **entries;
478
};
479
480
struct eh_frame_hdr_info
481
{
482
  asection *hdr_sec;
483
  unsigned int array_count;
484
  bool frame_hdr_is_compact;
485
  union
486
    {
487
      struct dwarf_eh_frame_hdr_info dwarf;
488
      struct compact_eh_frame_hdr_info compact;
489
    }
490
  u;
491
};
492
493
/* Additional information for each function (used at link time).  */
494
struct sframe_func_bfdinfo
495
{
496
  /* Whether the function has been discarded from the final output.  */
497
  bool func_deleted_p;
498
  /* Relocation offset.  */
499
  unsigned int func_r_offset;
500
  /* Relocation index.  */
501
  unsigned int func_reloc_index;
502
};
503
504
/* SFrame decoder info.
505
   Contains all information for a decoded .sframe section.  */
506
struct sframe_dec_info
507
{
508
  /* Decoder context.  */
509
  struct sframe_decoder_ctx *sfd_ctx;
510
  /* Number of function descriptor entries in this .sframe.  */
511
  unsigned int sfd_fde_count;
512
  /* Additional information for linking.  */
513
  struct sframe_func_bfdinfo *sfd_func_bfdinfo;
514
};
515
516
/* SFrame encoder info.
517
   Contains all information for an encoded .sframe section to be
518
   written out.  */
519
struct sframe_enc_info
520
{
521
  /* Encoder context.  */
522
  struct sframe_encoder_ctx *sfe_ctx;
523
  /* Output section.  */
524
  asection *sframe_section;
525
};
526
527
/* Enum used to identify target specific extensions to the elf_obj_tdata
528
   and elf_link_hash_table structures.  Note the enums deliberately start
529
   from 1 so that we can detect an uninitialized field.  The generic value
530
   is last so that additions to this enum do not need to modify more than
531
   one line.  */
532
enum elf_target_id
533
{
534
  AARCH64_ELF_DATA = 1,
535
  ALPHA_ELF_DATA,
536
  AMDGCN_ELF_DATA,
537
  ARC_ELF_DATA,
538
  ARM_ELF_DATA,
539
  AVR_ELF_DATA,
540
  BFIN_ELF_DATA,
541
  CRIS_ELF_DATA,
542
  CSKY_ELF_DATA,
543
  FRV_ELF_DATA,
544
  HPPA32_ELF_DATA,
545
  HPPA64_ELF_DATA,
546
  I386_ELF_DATA,
547
  IA64_ELF_DATA,
548
  KVX_ELF_DATA,
549
  LM32_ELF_DATA,
550
  LARCH_ELF_DATA,
551
  M32R_ELF_DATA,
552
  M68HC11_ELF_DATA,
553
  M68K_ELF_DATA,
554
  METAG_ELF_DATA,
555
  MICROBLAZE_ELF_DATA,
556
  MIPS_ELF_DATA,
557
  MN10300_ELF_DATA,
558
  NDS32_ELF_DATA,
559
  NIOS2_ELF_DATA,
560
  OR1K_ELF_DATA,
561
  PPC32_ELF_DATA,
562
  PPC64_ELF_DATA,
563
  PRU_ELF_DATA,
564
  S390_ELF_DATA,
565
  SH_ELF_DATA,
566
  SPARC_ELF_DATA,
567
  SPU_ELF_DATA,
568
  TIC6X_ELF_DATA,
569
  X86_64_ELF_DATA,
570
  XTENSA_ELF_DATA,
571
  TILEGX_ELF_DATA,
572
  TILEPRO_ELF_DATA,
573
  RISCV_ELF_DATA,
574
  GENERIC_ELF_DATA
575
};
576
577
struct elf_sym_strtab
578
{
579
  Elf_Internal_Sym sym;
580
  unsigned long dest_index;
581
};
582
583
struct bfd_link_needed_list
584
{
585
  struct bfd_link_needed_list *next;
586
  bfd *by;
587
  const char *name;
588
};
589
590
enum elf_target_os
591
{
592
  is_normal,
593
  is_solaris, /* Solaris.  */
594
  is_vxworks, /* VxWorks.  */
595
  is_nacl /* Native Client.  */
596
};
597
598
/* Used by bfd_sym_from_r_symndx to cache a small number of local
599
   symbols.  */
600
0
#define LOCAL_SYM_CACHE_SIZE 32
601
struct sym_cache
602
{
603
  bfd *abfd;
604
  unsigned long indx[LOCAL_SYM_CACHE_SIZE];
605
  Elf_Internal_Sym sym[LOCAL_SYM_CACHE_SIZE];
606
};
607
608
/* ELF linker hash table.  */
609
610
struct elf_link_hash_table
611
{
612
  struct bfd_link_hash_table root;
613
614
  /* An identifier used to distinguish different target
615
     specific extensions to this structure.  */
616
  enum elf_target_id hash_table_id;
617
618
  /* Whether we have created the special dynamic sections required
619
     when linking against or generating a shared object.  */
620
  bool dynamic_sections_created;
621
622
  /* Whether dynamic relocations are present.  */
623
  bool dynamic_relocs;
624
625
  /* True if this target has relocatable executables, so needs dynamic
626
     section symbols.  */
627
  bool is_relocatable_executable;
628
629
  /* TRUE if there are IFUNC resolvers.  */
630
  bool ifunc_resolvers;
631
632
  /* TRUE if DT_PLTGOT is a required dynamic tag.  */
633
  bool dt_pltgot_required;
634
635
  /* TRUE if DT_JMPREL is a required dynamic tag.  */
636
  bool dt_jmprel_required;
637
638
  /* TRUE when we are handling DT_NEEDED entries.  */
639
  bool handling_dt_needed;
640
641
  /* The BFD used to hold special sections created by the linker.
642
     This will be the first BFD found which requires these sections to
643
     be created.  */
644
  bfd *dynobj;
645
646
  /* The value to use when initialising got.refcount/offset and
647
     plt.refcount/offset in an elf_link_hash_entry.  Set to zero when
648
     the values are refcounts.  Set to init_got_offset/init_plt_offset
649
     in size_dynamic_sections when the values may be offsets.  */
650
  union gotplt_union init_got_refcount;
651
  union gotplt_union init_plt_refcount;
652
653
  /* The value to use for got.refcount/offset and plt.refcount/offset
654
     when the values may be offsets.  Normally (bfd_vma) -1.  */
655
  union gotplt_union init_got_offset;
656
  union gotplt_union init_plt_offset;
657
658
  /* The number of symbols found in the link which is intended for the
659
     mandatory DT_SYMTAB tag (.dynsym section) in .dynamic section.  */
660
  bfd_size_type dynsymcount;
661
  bfd_size_type local_dynsymcount;
662
663
  /* The string table of dynamic symbols, which becomes the .dynstr
664
     section.  */
665
  struct elf_strtab_hash *dynstr;
666
667
  /* The array size of the symbol string table, which becomes the
668
     .strtab section.  */
669
  bfd_size_type strtabsize;
670
671
  /* The array of strings, which becomes the .strtab section.  */
672
  struct elf_sym_strtab *strtab;
673
674
  /* The number of buckets in the hash table in the .hash section.
675
     This is based on the number of dynamic symbols.  */
676
  bfd_size_type bucketcount;
677
678
  /* A linked list of DT_NEEDED names found in dynamic objects
679
     included in the link.  */
680
  struct bfd_link_needed_list *needed;
681
682
  /* Sections in the output bfd that provides a section symbol
683
     to be used by relocations emitted against local symbols.
684
     Most targets will not use data_index_section.  */
685
  asection *text_index_section;
686
  asection *data_index_section;
687
688
  /* The _GLOBAL_OFFSET_TABLE_ symbol.  */
689
  struct elf_link_hash_entry *hgot;
690
691
  /* The _PROCEDURE_LINKAGE_TABLE_ symbol.  */
692
  struct elf_link_hash_entry *hplt;
693
694
  /* The _DYNAMIC symbol.  */
695
  struct elf_link_hash_entry *hdynamic;
696
697
  /* A pointer to information used to merge SEC_MERGE sections.  */
698
  void *merge_info;
699
700
  /* Used to link stabs in sections.  */
701
  struct stab_info stab_info;
702
703
  /* Used by eh_frame code when editing .eh_frame.  */
704
  struct eh_frame_hdr_info eh_info;
705
706
  /* Used to link stack trace info in .sframe sections.  */
707
  struct sframe_enc_info sfe_info;
708
709
  /* A linked list of local symbols to be added to .dynsym.  */
710
  struct elf_link_local_dynamic_entry *dynlocal;
711
712
  /* A linked list of DT_RPATH/DT_RUNPATH names found in dynamic
713
     objects included in the link.  */
714
  struct bfd_link_needed_list *runpath;
715
716
  /* Cached first output tls section and size of PT_TLS segment.  */
717
  asection *tls_sec;
718
  bfd_size_type tls_size;  /* Bytes.  */
719
720
  /* The offset into splt of the PLT entry for the TLS descriptor
721
     resolver.  Special values are 0, if not necessary (or not found
722
     to be necessary yet), and -1 if needed but not determined
723
     yet.  */
724
  bfd_vma tlsdesc_plt;
725
726
  /* The GOT offset for the lazy trampoline.  Communicated to the
727
     loader via DT_TLSDESC_GOT.  The magic value (bfd_vma) -1
728
     indicates an offset is not allocated.  */
729
  bfd_vma tlsdesc_got;
730
731
  /* Target OS for linker output.  */
732
  enum elf_target_os target_os;
733
734
  /* A linked list of dynamic BFD's loaded in the link.  */
735
  struct elf_link_loaded_list *dyn_loaded;
736
737
  /* Small local sym cache.  */
738
  struct sym_cache sym_cache;
739
740
  /* Short-cuts to get to dynamic linker sections.  */
741
  asection *sgot;
742
  asection *sgotplt;
743
  asection *srelgot;
744
  asection *splt;
745
  asection *srelplt;
746
  asection *sdynbss;
747
  asection *srelbss;
748
  asection *sdynrelro;
749
  asection *sreldynrelro;
750
  asection *igotplt;
751
  asection *iplt;
752
  asection *irelplt;
753
  asection *irelifunc;
754
  asection *dynsym;
755
  asection *srelrdyn;
756
};
757
758
/* Returns TRUE if the hash table is a struct elf_link_hash_table.  */
759
760
static inline bool
761
is_elf_hash_table (const struct bfd_link_hash_table *htab)
762
0
{
763
0
  return htab->type == bfd_link_elf_hash_table;
764
0
}
Unexecuted instantiation: bfd.c:is_elf_hash_table
Unexecuted instantiation: opncls.c:is_elf_hash_table
Unexecuted instantiation: elf64-x86-64.c:is_elf_hash_table
Unexecuted instantiation: elfxx-x86.c:is_elf_hash_table
Unexecuted instantiation: elf-ifunc.c:is_elf_hash_table
Unexecuted instantiation: elf-vxworks.c:is_elf_hash_table
Unexecuted instantiation: elf64.c:is_elf_hash_table
Unexecuted instantiation: elf.c:is_elf_hash_table
Unexecuted instantiation: elflink.c:is_elf_hash_table
Unexecuted instantiation: elf-attrs.c:is_elf_hash_table
Unexecuted instantiation: elf-strtab.c:is_elf_hash_table
Unexecuted instantiation: elf-eh-frame.c:is_elf_hash_table
Unexecuted instantiation: elf-sframe.c:is_elf_hash_table
Unexecuted instantiation: dwarf1.c:is_elf_hash_table
Unexecuted instantiation: dwarf2.c:is_elf_hash_table
Unexecuted instantiation: elf32-i386.c:is_elf_hash_table
Unexecuted instantiation: elf32.c:is_elf_hash_table
Unexecuted instantiation: elf64-gen.c:is_elf_hash_table
Unexecuted instantiation: elf32-gen.c:is_elf_hash_table
Unexecuted instantiation: elf32-aarch64.c:is_elf_hash_table
Unexecuted instantiation: elf32-ia64.c:is_elf_hash_table
Unexecuted instantiation: elf32-kvx.c:is_elf_hash_table
Unexecuted instantiation: elf32-loongarch.c:is_elf_hash_table
Unexecuted instantiation: elf32-mips.c:is_elf_hash_table
Unexecuted instantiation: elf32-riscv.c:is_elf_hash_table
Unexecuted instantiation: elf32-score.c:is_elf_hash_table
Unexecuted instantiation: elf32-score7.c:is_elf_hash_table
Unexecuted instantiation: elf64-aarch64.c:is_elf_hash_table
Unexecuted instantiation: elf64-alpha.c:is_elf_hash_table
Unexecuted instantiation: elf64-amdgcn.c:is_elf_hash_table
Unexecuted instantiation: elf64-bpf.c:is_elf_hash_table
Unexecuted instantiation: elf64-hppa.c:is_elf_hash_table
Unexecuted instantiation: elf64-ia64-vms.c:is_elf_hash_table
Unexecuted instantiation: elf64-ia64.c:is_elf_hash_table
Unexecuted instantiation: elf64-kvx.c:is_elf_hash_table
Unexecuted instantiation: elf64-loongarch.c:is_elf_hash_table
Unexecuted instantiation: elf64-mips.c:is_elf_hash_table
Unexecuted instantiation: elf64-mmix.c:is_elf_hash_table
Unexecuted instantiation: elf64-nfp.c:is_elf_hash_table
Unexecuted instantiation: elf64-ppc.c:is_elf_hash_table
Unexecuted instantiation: elf64-riscv.c:is_elf_hash_table
Unexecuted instantiation: elf64-s390.c:is_elf_hash_table
Unexecuted instantiation: elf64-sparc.c:is_elf_hash_table
Unexecuted instantiation: elf64-tilegx.c:is_elf_hash_table
Unexecuted instantiation: elfn32-mips.c:is_elf_hash_table
Unexecuted instantiation: elfxx-aarch64.c:is_elf_hash_table
Unexecuted instantiation: elfxx-ia64.c:is_elf_hash_table
Unexecuted instantiation: elfxx-kvx.c:is_elf_hash_table
Unexecuted instantiation: elfxx-loongarch.c:is_elf_hash_table
Unexecuted instantiation: elfxx-mips.c:is_elf_hash_table
Unexecuted instantiation: elfxx-riscv.c:is_elf_hash_table
Unexecuted instantiation: elf-m10200.c:is_elf_hash_table
Unexecuted instantiation: elf-m10300.c:is_elf_hash_table
Unexecuted instantiation: elf32-am33lin.c:is_elf_hash_table
Unexecuted instantiation: elf32-arc.c:is_elf_hash_table
Unexecuted instantiation: elf32-arm.c:is_elf_hash_table
Unexecuted instantiation: elf32-avr.c:is_elf_hash_table
Unexecuted instantiation: elf32-bfin.c:is_elf_hash_table
Unexecuted instantiation: elf32-cr16.c:is_elf_hash_table
Unexecuted instantiation: elf32-cris.c:is_elf_hash_table
Unexecuted instantiation: elf32-crx.c:is_elf_hash_table
Unexecuted instantiation: elf32-csky.c:is_elf_hash_table
Unexecuted instantiation: elf32-d10v.c:is_elf_hash_table
Unexecuted instantiation: elf32-d30v.c:is_elf_hash_table
Unexecuted instantiation: elf32-dlx.c:is_elf_hash_table
Unexecuted instantiation: elf32-epiphany.c:is_elf_hash_table
Unexecuted instantiation: elf32-fr30.c:is_elf_hash_table
Unexecuted instantiation: elf32-frv.c:is_elf_hash_table
Unexecuted instantiation: elf32-ft32.c:is_elf_hash_table
Unexecuted instantiation: elf32-h8300.c:is_elf_hash_table
Unexecuted instantiation: elf32-hppa.c:is_elf_hash_table
Unexecuted instantiation: elf32-ip2k.c:is_elf_hash_table
Unexecuted instantiation: elf32-iq2000.c:is_elf_hash_table
Unexecuted instantiation: elf32-lm32.c:is_elf_hash_table
Unexecuted instantiation: elf32-m32c.c:is_elf_hash_table
Unexecuted instantiation: elf32-m32r.c:is_elf_hash_table
Unexecuted instantiation: elf32-m68hc11.c:is_elf_hash_table
Unexecuted instantiation: elf32-m68hc12.c:is_elf_hash_table
Unexecuted instantiation: elf32-m68hc1x.c:is_elf_hash_table
Unexecuted instantiation: elf32-m68k.c:is_elf_hash_table
Unexecuted instantiation: elf32-mcore.c:is_elf_hash_table
Unexecuted instantiation: elf32-mep.c:is_elf_hash_table
Unexecuted instantiation: elf32-metag.c:is_elf_hash_table
Unexecuted instantiation: elf32-microblaze.c:is_elf_hash_table
Unexecuted instantiation: elf32-moxie.c:is_elf_hash_table
Unexecuted instantiation: elf32-msp430.c:is_elf_hash_table
Unexecuted instantiation: elf32-mt.c:is_elf_hash_table
Unexecuted instantiation: elf32-nds32.c:is_elf_hash_table
Unexecuted instantiation: elf32-nios2.c:is_elf_hash_table
Unexecuted instantiation: elf32-or1k.c:is_elf_hash_table
Unexecuted instantiation: elf32-pj.c:is_elf_hash_table
Unexecuted instantiation: elf32-ppc.c:is_elf_hash_table
Unexecuted instantiation: elf32-pru.c:is_elf_hash_table
Unexecuted instantiation: elf32-rl78.c:is_elf_hash_table
Unexecuted instantiation: elf32-rx.c:is_elf_hash_table
Unexecuted instantiation: elf32-s12z.c:is_elf_hash_table
Unexecuted instantiation: elf32-s390.c:is_elf_hash_table
Unexecuted instantiation: elf32-sh.c:is_elf_hash_table
Unexecuted instantiation: elf32-sparc.c:is_elf_hash_table
Unexecuted instantiation: elf32-spu.c:is_elf_hash_table
Unexecuted instantiation: elf32-tic6x.c:is_elf_hash_table
Unexecuted instantiation: elf32-tilegx.c:is_elf_hash_table
Unexecuted instantiation: elf32-tilepro.c:is_elf_hash_table
Unexecuted instantiation: elf32-v850.c:is_elf_hash_table
Unexecuted instantiation: elf32-vax.c:is_elf_hash_table
Unexecuted instantiation: elf32-visium.c:is_elf_hash_table
Unexecuted instantiation: elf32-wasm32.c:is_elf_hash_table
Unexecuted instantiation: elf32-xgate.c:is_elf_hash_table
Unexecuted instantiation: elf32-xstormy16.c:is_elf_hash_table
Unexecuted instantiation: elf32-xtensa.c:is_elf_hash_table
Unexecuted instantiation: elf32-z80.c:is_elf_hash_table
Unexecuted instantiation: elfxx-sparc.c:is_elf_hash_table
Unexecuted instantiation: elfxx-tilegx.c:is_elf_hash_table
Unexecuted instantiation: cpu-nds32.c:is_elf_hash_table
Unexecuted instantiation: compress.c:is_elf_hash_table
Unexecuted instantiation: elf-properties.c:is_elf_hash_table
Unexecuted instantiation: merge.c:is_elf_hash_table
Unexecuted instantiation: elf-nacl.c:is_elf_hash_table
765
766
/* Look up an entry in an ELF linker hash table.  */
767
768
static inline struct elf_link_hash_entry *
769
elf_link_hash_lookup (struct elf_link_hash_table *table, const char *string,
770
          bool create, bool copy, bool follow)
771
0
{
772
0
  if (ENABLE_CHECKING && !is_elf_hash_table (&table->root))
773
0
    abort ();
774
0
  return (struct elf_link_hash_entry *)
775
0
    bfd_link_hash_lookup (&table->root, string, create, copy, follow);
776
0
}
Unexecuted instantiation: bfd.c:elf_link_hash_lookup
Unexecuted instantiation: opncls.c:elf_link_hash_lookup
Unexecuted instantiation: elf64-x86-64.c:elf_link_hash_lookup
Unexecuted instantiation: elfxx-x86.c:elf_link_hash_lookup
Unexecuted instantiation: elf-ifunc.c:elf_link_hash_lookup
Unexecuted instantiation: elf-vxworks.c:elf_link_hash_lookup
Unexecuted instantiation: elf64.c:elf_link_hash_lookup
Unexecuted instantiation: elf.c:elf_link_hash_lookup
Unexecuted instantiation: elflink.c:elf_link_hash_lookup
Unexecuted instantiation: elf-attrs.c:elf_link_hash_lookup
Unexecuted instantiation: elf-strtab.c:elf_link_hash_lookup
Unexecuted instantiation: elf-eh-frame.c:elf_link_hash_lookup
Unexecuted instantiation: elf-sframe.c:elf_link_hash_lookup
Unexecuted instantiation: dwarf1.c:elf_link_hash_lookup
Unexecuted instantiation: dwarf2.c:elf_link_hash_lookup
Unexecuted instantiation: elf32-i386.c:elf_link_hash_lookup
Unexecuted instantiation: elf32.c:elf_link_hash_lookup
Unexecuted instantiation: elf64-gen.c:elf_link_hash_lookup
Unexecuted instantiation: elf32-gen.c:elf_link_hash_lookup
Unexecuted instantiation: elf32-aarch64.c:elf_link_hash_lookup
Unexecuted instantiation: elf32-ia64.c:elf_link_hash_lookup
Unexecuted instantiation: elf32-kvx.c:elf_link_hash_lookup
Unexecuted instantiation: elf32-loongarch.c:elf_link_hash_lookup
Unexecuted instantiation: elf32-mips.c:elf_link_hash_lookup
Unexecuted instantiation: elf32-riscv.c:elf_link_hash_lookup
Unexecuted instantiation: elf32-score.c:elf_link_hash_lookup
Unexecuted instantiation: elf32-score7.c:elf_link_hash_lookup
Unexecuted instantiation: elf64-aarch64.c:elf_link_hash_lookup
Unexecuted instantiation: elf64-alpha.c:elf_link_hash_lookup
Unexecuted instantiation: elf64-amdgcn.c:elf_link_hash_lookup
Unexecuted instantiation: elf64-bpf.c:elf_link_hash_lookup
Unexecuted instantiation: elf64-hppa.c:elf_link_hash_lookup
Unexecuted instantiation: elf64-ia64-vms.c:elf_link_hash_lookup
Unexecuted instantiation: elf64-ia64.c:elf_link_hash_lookup
Unexecuted instantiation: elf64-kvx.c:elf_link_hash_lookup
Unexecuted instantiation: elf64-loongarch.c:elf_link_hash_lookup
Unexecuted instantiation: elf64-mips.c:elf_link_hash_lookup
Unexecuted instantiation: elf64-mmix.c:elf_link_hash_lookup
Unexecuted instantiation: elf64-nfp.c:elf_link_hash_lookup
Unexecuted instantiation: elf64-ppc.c:elf_link_hash_lookup
Unexecuted instantiation: elf64-riscv.c:elf_link_hash_lookup
Unexecuted instantiation: elf64-s390.c:elf_link_hash_lookup
Unexecuted instantiation: elf64-sparc.c:elf_link_hash_lookup
Unexecuted instantiation: elf64-tilegx.c:elf_link_hash_lookup
Unexecuted instantiation: elfn32-mips.c:elf_link_hash_lookup
Unexecuted instantiation: elfxx-aarch64.c:elf_link_hash_lookup
Unexecuted instantiation: elfxx-ia64.c:elf_link_hash_lookup
Unexecuted instantiation: elfxx-kvx.c:elf_link_hash_lookup
Unexecuted instantiation: elfxx-loongarch.c:elf_link_hash_lookup
Unexecuted instantiation: elfxx-mips.c:elf_link_hash_lookup
Unexecuted instantiation: elfxx-riscv.c:elf_link_hash_lookup
Unexecuted instantiation: elf-m10200.c:elf_link_hash_lookup
Unexecuted instantiation: elf-m10300.c:elf_link_hash_lookup
Unexecuted instantiation: elf32-am33lin.c:elf_link_hash_lookup
Unexecuted instantiation: elf32-arc.c:elf_link_hash_lookup
Unexecuted instantiation: elf32-arm.c:elf_link_hash_lookup
Unexecuted instantiation: elf32-avr.c:elf_link_hash_lookup
Unexecuted instantiation: elf32-bfin.c:elf_link_hash_lookup
Unexecuted instantiation: elf32-cr16.c:elf_link_hash_lookup
Unexecuted instantiation: elf32-cris.c:elf_link_hash_lookup
Unexecuted instantiation: elf32-crx.c:elf_link_hash_lookup
Unexecuted instantiation: elf32-csky.c:elf_link_hash_lookup
Unexecuted instantiation: elf32-d10v.c:elf_link_hash_lookup
Unexecuted instantiation: elf32-d30v.c:elf_link_hash_lookup
Unexecuted instantiation: elf32-dlx.c:elf_link_hash_lookup
Unexecuted instantiation: elf32-epiphany.c:elf_link_hash_lookup
Unexecuted instantiation: elf32-fr30.c:elf_link_hash_lookup
Unexecuted instantiation: elf32-frv.c:elf_link_hash_lookup
Unexecuted instantiation: elf32-ft32.c:elf_link_hash_lookup
Unexecuted instantiation: elf32-h8300.c:elf_link_hash_lookup
Unexecuted instantiation: elf32-hppa.c:elf_link_hash_lookup
Unexecuted instantiation: elf32-ip2k.c:elf_link_hash_lookup
Unexecuted instantiation: elf32-iq2000.c:elf_link_hash_lookup
Unexecuted instantiation: elf32-lm32.c:elf_link_hash_lookup
Unexecuted instantiation: elf32-m32c.c:elf_link_hash_lookup
Unexecuted instantiation: elf32-m32r.c:elf_link_hash_lookup
Unexecuted instantiation: elf32-m68hc11.c:elf_link_hash_lookup
Unexecuted instantiation: elf32-m68hc12.c:elf_link_hash_lookup
Unexecuted instantiation: elf32-m68hc1x.c:elf_link_hash_lookup
Unexecuted instantiation: elf32-m68k.c:elf_link_hash_lookup
Unexecuted instantiation: elf32-mcore.c:elf_link_hash_lookup
Unexecuted instantiation: elf32-mep.c:elf_link_hash_lookup
Unexecuted instantiation: elf32-metag.c:elf_link_hash_lookup
Unexecuted instantiation: elf32-microblaze.c:elf_link_hash_lookup
Unexecuted instantiation: elf32-moxie.c:elf_link_hash_lookup
Unexecuted instantiation: elf32-msp430.c:elf_link_hash_lookup
Unexecuted instantiation: elf32-mt.c:elf_link_hash_lookup
Unexecuted instantiation: elf32-nds32.c:elf_link_hash_lookup
Unexecuted instantiation: elf32-nios2.c:elf_link_hash_lookup
Unexecuted instantiation: elf32-or1k.c:elf_link_hash_lookup
Unexecuted instantiation: elf32-pj.c:elf_link_hash_lookup
Unexecuted instantiation: elf32-ppc.c:elf_link_hash_lookup
Unexecuted instantiation: elf32-pru.c:elf_link_hash_lookup
Unexecuted instantiation: elf32-rl78.c:elf_link_hash_lookup
Unexecuted instantiation: elf32-rx.c:elf_link_hash_lookup
Unexecuted instantiation: elf32-s12z.c:elf_link_hash_lookup
Unexecuted instantiation: elf32-s390.c:elf_link_hash_lookup
Unexecuted instantiation: elf32-sh.c:elf_link_hash_lookup
Unexecuted instantiation: elf32-sparc.c:elf_link_hash_lookup
Unexecuted instantiation: elf32-spu.c:elf_link_hash_lookup
Unexecuted instantiation: elf32-tic6x.c:elf_link_hash_lookup
Unexecuted instantiation: elf32-tilegx.c:elf_link_hash_lookup
Unexecuted instantiation: elf32-tilepro.c:elf_link_hash_lookup
Unexecuted instantiation: elf32-v850.c:elf_link_hash_lookup
Unexecuted instantiation: elf32-vax.c:elf_link_hash_lookup
Unexecuted instantiation: elf32-visium.c:elf_link_hash_lookup
Unexecuted instantiation: elf32-wasm32.c:elf_link_hash_lookup
Unexecuted instantiation: elf32-xgate.c:elf_link_hash_lookup
Unexecuted instantiation: elf32-xstormy16.c:elf_link_hash_lookup
Unexecuted instantiation: elf32-xtensa.c:elf_link_hash_lookup
Unexecuted instantiation: elf32-z80.c:elf_link_hash_lookup
Unexecuted instantiation: elfxx-sparc.c:elf_link_hash_lookup
Unexecuted instantiation: elfxx-tilegx.c:elf_link_hash_lookup
Unexecuted instantiation: cpu-nds32.c:elf_link_hash_lookup
Unexecuted instantiation: compress.c:elf_link_hash_lookup
Unexecuted instantiation: elf-properties.c:elf_link_hash_lookup
Unexecuted instantiation: merge.c:elf_link_hash_lookup
Unexecuted instantiation: elf-nacl.c:elf_link_hash_lookup
777
778
/* Traverse an ELF linker hash table.  */
779
780
static inline void
781
elf_link_hash_traverse (struct elf_link_hash_table *table,
782
      bool (*f) (struct elf_link_hash_entry *, void *),
783
      void *info)
784
0
{
785
0
  if (ENABLE_CHECKING && !is_elf_hash_table (&table->root))
786
0
    abort ();
787
0
  bfd_link_hash_traverse (&table->root,
788
0
        (bool (*) (struct bfd_link_hash_entry *, void *)) f,
789
0
        info);
790
0
}
Unexecuted instantiation: bfd.c:elf_link_hash_traverse
Unexecuted instantiation: opncls.c:elf_link_hash_traverse
Unexecuted instantiation: elf64-x86-64.c:elf_link_hash_traverse
Unexecuted instantiation: elfxx-x86.c:elf_link_hash_traverse
Unexecuted instantiation: elf-ifunc.c:elf_link_hash_traverse
Unexecuted instantiation: elf-vxworks.c:elf_link_hash_traverse
Unexecuted instantiation: elf64.c:elf_link_hash_traverse
Unexecuted instantiation: elf.c:elf_link_hash_traverse
Unexecuted instantiation: elflink.c:elf_link_hash_traverse
Unexecuted instantiation: elf-attrs.c:elf_link_hash_traverse
Unexecuted instantiation: elf-strtab.c:elf_link_hash_traverse
Unexecuted instantiation: elf-eh-frame.c:elf_link_hash_traverse
Unexecuted instantiation: elf-sframe.c:elf_link_hash_traverse
Unexecuted instantiation: dwarf1.c:elf_link_hash_traverse
Unexecuted instantiation: dwarf2.c:elf_link_hash_traverse
Unexecuted instantiation: elf32-i386.c:elf_link_hash_traverse
Unexecuted instantiation: elf32.c:elf_link_hash_traverse
Unexecuted instantiation: elf64-gen.c:elf_link_hash_traverse
Unexecuted instantiation: elf32-gen.c:elf_link_hash_traverse
Unexecuted instantiation: elf32-aarch64.c:elf_link_hash_traverse
Unexecuted instantiation: elf32-ia64.c:elf_link_hash_traverse
Unexecuted instantiation: elf32-kvx.c:elf_link_hash_traverse
Unexecuted instantiation: elf32-loongarch.c:elf_link_hash_traverse
Unexecuted instantiation: elf32-mips.c:elf_link_hash_traverse
Unexecuted instantiation: elf32-riscv.c:elf_link_hash_traverse
Unexecuted instantiation: elf32-score.c:elf_link_hash_traverse
Unexecuted instantiation: elf32-score7.c:elf_link_hash_traverse
Unexecuted instantiation: elf64-aarch64.c:elf_link_hash_traverse
Unexecuted instantiation: elf64-alpha.c:elf_link_hash_traverse
Unexecuted instantiation: elf64-amdgcn.c:elf_link_hash_traverse
Unexecuted instantiation: elf64-bpf.c:elf_link_hash_traverse
Unexecuted instantiation: elf64-hppa.c:elf_link_hash_traverse
Unexecuted instantiation: elf64-ia64-vms.c:elf_link_hash_traverse
Unexecuted instantiation: elf64-ia64.c:elf_link_hash_traverse
Unexecuted instantiation: elf64-kvx.c:elf_link_hash_traverse
Unexecuted instantiation: elf64-loongarch.c:elf_link_hash_traverse
Unexecuted instantiation: elf64-mips.c:elf_link_hash_traverse
Unexecuted instantiation: elf64-mmix.c:elf_link_hash_traverse
Unexecuted instantiation: elf64-nfp.c:elf_link_hash_traverse
Unexecuted instantiation: elf64-ppc.c:elf_link_hash_traverse
Unexecuted instantiation: elf64-riscv.c:elf_link_hash_traverse
Unexecuted instantiation: elf64-s390.c:elf_link_hash_traverse
Unexecuted instantiation: elf64-sparc.c:elf_link_hash_traverse
Unexecuted instantiation: elf64-tilegx.c:elf_link_hash_traverse
Unexecuted instantiation: elfn32-mips.c:elf_link_hash_traverse
Unexecuted instantiation: elfxx-aarch64.c:elf_link_hash_traverse
Unexecuted instantiation: elfxx-ia64.c:elf_link_hash_traverse
Unexecuted instantiation: elfxx-kvx.c:elf_link_hash_traverse
Unexecuted instantiation: elfxx-loongarch.c:elf_link_hash_traverse
Unexecuted instantiation: elfxx-mips.c:elf_link_hash_traverse
Unexecuted instantiation: elfxx-riscv.c:elf_link_hash_traverse
Unexecuted instantiation: elf-m10200.c:elf_link_hash_traverse
Unexecuted instantiation: elf-m10300.c:elf_link_hash_traverse
Unexecuted instantiation: elf32-am33lin.c:elf_link_hash_traverse
Unexecuted instantiation: elf32-arc.c:elf_link_hash_traverse
Unexecuted instantiation: elf32-arm.c:elf_link_hash_traverse
Unexecuted instantiation: elf32-avr.c:elf_link_hash_traverse
Unexecuted instantiation: elf32-bfin.c:elf_link_hash_traverse
Unexecuted instantiation: elf32-cr16.c:elf_link_hash_traverse
Unexecuted instantiation: elf32-cris.c:elf_link_hash_traverse
Unexecuted instantiation: elf32-crx.c:elf_link_hash_traverse
Unexecuted instantiation: elf32-csky.c:elf_link_hash_traverse
Unexecuted instantiation: elf32-d10v.c:elf_link_hash_traverse
Unexecuted instantiation: elf32-d30v.c:elf_link_hash_traverse
Unexecuted instantiation: elf32-dlx.c:elf_link_hash_traverse
Unexecuted instantiation: elf32-epiphany.c:elf_link_hash_traverse
Unexecuted instantiation: elf32-fr30.c:elf_link_hash_traverse
Unexecuted instantiation: elf32-frv.c:elf_link_hash_traverse
Unexecuted instantiation: elf32-ft32.c:elf_link_hash_traverse
Unexecuted instantiation: elf32-h8300.c:elf_link_hash_traverse
Unexecuted instantiation: elf32-hppa.c:elf_link_hash_traverse
Unexecuted instantiation: elf32-ip2k.c:elf_link_hash_traverse
Unexecuted instantiation: elf32-iq2000.c:elf_link_hash_traverse
Unexecuted instantiation: elf32-lm32.c:elf_link_hash_traverse
Unexecuted instantiation: elf32-m32c.c:elf_link_hash_traverse
Unexecuted instantiation: elf32-m32r.c:elf_link_hash_traverse
Unexecuted instantiation: elf32-m68hc11.c:elf_link_hash_traverse
Unexecuted instantiation: elf32-m68hc12.c:elf_link_hash_traverse
Unexecuted instantiation: elf32-m68hc1x.c:elf_link_hash_traverse
Unexecuted instantiation: elf32-m68k.c:elf_link_hash_traverse
Unexecuted instantiation: elf32-mcore.c:elf_link_hash_traverse
Unexecuted instantiation: elf32-mep.c:elf_link_hash_traverse
Unexecuted instantiation: elf32-metag.c:elf_link_hash_traverse
Unexecuted instantiation: elf32-microblaze.c:elf_link_hash_traverse
Unexecuted instantiation: elf32-moxie.c:elf_link_hash_traverse
Unexecuted instantiation: elf32-msp430.c:elf_link_hash_traverse
Unexecuted instantiation: elf32-mt.c:elf_link_hash_traverse
Unexecuted instantiation: elf32-nds32.c:elf_link_hash_traverse
Unexecuted instantiation: elf32-nios2.c:elf_link_hash_traverse
Unexecuted instantiation: elf32-or1k.c:elf_link_hash_traverse
Unexecuted instantiation: elf32-pj.c:elf_link_hash_traverse
Unexecuted instantiation: elf32-ppc.c:elf_link_hash_traverse
Unexecuted instantiation: elf32-pru.c:elf_link_hash_traverse
Unexecuted instantiation: elf32-rl78.c:elf_link_hash_traverse
Unexecuted instantiation: elf32-rx.c:elf_link_hash_traverse
Unexecuted instantiation: elf32-s12z.c:elf_link_hash_traverse
Unexecuted instantiation: elf32-s390.c:elf_link_hash_traverse
Unexecuted instantiation: elf32-sh.c:elf_link_hash_traverse
Unexecuted instantiation: elf32-sparc.c:elf_link_hash_traverse
Unexecuted instantiation: elf32-spu.c:elf_link_hash_traverse
Unexecuted instantiation: elf32-tic6x.c:elf_link_hash_traverse
Unexecuted instantiation: elf32-tilegx.c:elf_link_hash_traverse
Unexecuted instantiation: elf32-tilepro.c:elf_link_hash_traverse
Unexecuted instantiation: elf32-v850.c:elf_link_hash_traverse
Unexecuted instantiation: elf32-vax.c:elf_link_hash_traverse
Unexecuted instantiation: elf32-visium.c:elf_link_hash_traverse
Unexecuted instantiation: elf32-wasm32.c:elf_link_hash_traverse
Unexecuted instantiation: elf32-xgate.c:elf_link_hash_traverse
Unexecuted instantiation: elf32-xstormy16.c:elf_link_hash_traverse
Unexecuted instantiation: elf32-xtensa.c:elf_link_hash_traverse
Unexecuted instantiation: elf32-z80.c:elf_link_hash_traverse
Unexecuted instantiation: elfxx-sparc.c:elf_link_hash_traverse
Unexecuted instantiation: elfxx-tilegx.c:elf_link_hash_traverse
Unexecuted instantiation: cpu-nds32.c:elf_link_hash_traverse
Unexecuted instantiation: compress.c:elf_link_hash_traverse
Unexecuted instantiation: elf-properties.c:elf_link_hash_traverse
Unexecuted instantiation: merge.c:elf_link_hash_traverse
Unexecuted instantiation: elf-nacl.c:elf_link_hash_traverse
791
792
/* Get the ELF linker hash table from a link_info structure.  */
793
794
static inline struct elf_link_hash_table *
795
elf_hash_table (const struct bfd_link_info *info)
796
0
{
797
0
  return (struct elf_link_hash_table *) info->hash;
798
0
}
Unexecuted instantiation: bfd.c:elf_hash_table
Unexecuted instantiation: opncls.c:elf_hash_table
Unexecuted instantiation: elf64-x86-64.c:elf_hash_table
Unexecuted instantiation: elfxx-x86.c:elf_hash_table
Unexecuted instantiation: elf-ifunc.c:elf_hash_table
Unexecuted instantiation: elf-vxworks.c:elf_hash_table
Unexecuted instantiation: elf64.c:elf_hash_table
Unexecuted instantiation: elf.c:elf_hash_table
Unexecuted instantiation: elflink.c:elf_hash_table
Unexecuted instantiation: elf-attrs.c:elf_hash_table
Unexecuted instantiation: elf-strtab.c:elf_hash_table
Unexecuted instantiation: elf-eh-frame.c:elf_hash_table
Unexecuted instantiation: elf-sframe.c:elf_hash_table
Unexecuted instantiation: dwarf1.c:elf_hash_table
Unexecuted instantiation: dwarf2.c:elf_hash_table
Unexecuted instantiation: elf32-i386.c:elf_hash_table
Unexecuted instantiation: elf32.c:elf_hash_table
Unexecuted instantiation: elf64-gen.c:elf_hash_table
Unexecuted instantiation: elf32-gen.c:elf_hash_table
Unexecuted instantiation: elf32-aarch64.c:elf_hash_table
Unexecuted instantiation: elf32-ia64.c:elf_hash_table
Unexecuted instantiation: elf32-kvx.c:elf_hash_table
Unexecuted instantiation: elf32-loongarch.c:elf_hash_table
Unexecuted instantiation: elf32-mips.c:elf_hash_table
Unexecuted instantiation: elf32-riscv.c:elf_hash_table
Unexecuted instantiation: elf32-score.c:elf_hash_table
Unexecuted instantiation: elf32-score7.c:elf_hash_table
Unexecuted instantiation: elf64-aarch64.c:elf_hash_table
Unexecuted instantiation: elf64-alpha.c:elf_hash_table
Unexecuted instantiation: elf64-amdgcn.c:elf_hash_table
Unexecuted instantiation: elf64-bpf.c:elf_hash_table
Unexecuted instantiation: elf64-hppa.c:elf_hash_table
Unexecuted instantiation: elf64-ia64-vms.c:elf_hash_table
Unexecuted instantiation: elf64-ia64.c:elf_hash_table
Unexecuted instantiation: elf64-kvx.c:elf_hash_table
Unexecuted instantiation: elf64-loongarch.c:elf_hash_table
Unexecuted instantiation: elf64-mips.c:elf_hash_table
Unexecuted instantiation: elf64-mmix.c:elf_hash_table
Unexecuted instantiation: elf64-nfp.c:elf_hash_table
Unexecuted instantiation: elf64-ppc.c:elf_hash_table
Unexecuted instantiation: elf64-riscv.c:elf_hash_table
Unexecuted instantiation: elf64-s390.c:elf_hash_table
Unexecuted instantiation: elf64-sparc.c:elf_hash_table
Unexecuted instantiation: elf64-tilegx.c:elf_hash_table
Unexecuted instantiation: elfn32-mips.c:elf_hash_table
Unexecuted instantiation: elfxx-aarch64.c:elf_hash_table
Unexecuted instantiation: elfxx-ia64.c:elf_hash_table
Unexecuted instantiation: elfxx-kvx.c:elf_hash_table
Unexecuted instantiation: elfxx-loongarch.c:elf_hash_table
Unexecuted instantiation: elfxx-mips.c:elf_hash_table
Unexecuted instantiation: elfxx-riscv.c:elf_hash_table
Unexecuted instantiation: elf-m10200.c:elf_hash_table
Unexecuted instantiation: elf-m10300.c:elf_hash_table
Unexecuted instantiation: elf32-am33lin.c:elf_hash_table
Unexecuted instantiation: elf32-arc.c:elf_hash_table
Unexecuted instantiation: elf32-arm.c:elf_hash_table
Unexecuted instantiation: elf32-avr.c:elf_hash_table
Unexecuted instantiation: elf32-bfin.c:elf_hash_table
Unexecuted instantiation: elf32-cr16.c:elf_hash_table
Unexecuted instantiation: elf32-cris.c:elf_hash_table
Unexecuted instantiation: elf32-crx.c:elf_hash_table
Unexecuted instantiation: elf32-csky.c:elf_hash_table
Unexecuted instantiation: elf32-d10v.c:elf_hash_table
Unexecuted instantiation: elf32-d30v.c:elf_hash_table
Unexecuted instantiation: elf32-dlx.c:elf_hash_table
Unexecuted instantiation: elf32-epiphany.c:elf_hash_table
Unexecuted instantiation: elf32-fr30.c:elf_hash_table
Unexecuted instantiation: elf32-frv.c:elf_hash_table
Unexecuted instantiation: elf32-ft32.c:elf_hash_table
Unexecuted instantiation: elf32-h8300.c:elf_hash_table
Unexecuted instantiation: elf32-hppa.c:elf_hash_table
Unexecuted instantiation: elf32-ip2k.c:elf_hash_table
Unexecuted instantiation: elf32-iq2000.c:elf_hash_table
Unexecuted instantiation: elf32-lm32.c:elf_hash_table
Unexecuted instantiation: elf32-m32c.c:elf_hash_table
Unexecuted instantiation: elf32-m32r.c:elf_hash_table
Unexecuted instantiation: elf32-m68hc11.c:elf_hash_table
Unexecuted instantiation: elf32-m68hc12.c:elf_hash_table
Unexecuted instantiation: elf32-m68hc1x.c:elf_hash_table
Unexecuted instantiation: elf32-m68k.c:elf_hash_table
Unexecuted instantiation: elf32-mcore.c:elf_hash_table
Unexecuted instantiation: elf32-mep.c:elf_hash_table
Unexecuted instantiation: elf32-metag.c:elf_hash_table
Unexecuted instantiation: elf32-microblaze.c:elf_hash_table
Unexecuted instantiation: elf32-moxie.c:elf_hash_table
Unexecuted instantiation: elf32-msp430.c:elf_hash_table
Unexecuted instantiation: elf32-mt.c:elf_hash_table
Unexecuted instantiation: elf32-nds32.c:elf_hash_table
Unexecuted instantiation: elf32-nios2.c:elf_hash_table
Unexecuted instantiation: elf32-or1k.c:elf_hash_table
Unexecuted instantiation: elf32-pj.c:elf_hash_table
Unexecuted instantiation: elf32-ppc.c:elf_hash_table
Unexecuted instantiation: elf32-pru.c:elf_hash_table
Unexecuted instantiation: elf32-rl78.c:elf_hash_table
Unexecuted instantiation: elf32-rx.c:elf_hash_table
Unexecuted instantiation: elf32-s12z.c:elf_hash_table
Unexecuted instantiation: elf32-s390.c:elf_hash_table
Unexecuted instantiation: elf32-sh.c:elf_hash_table
Unexecuted instantiation: elf32-sparc.c:elf_hash_table
Unexecuted instantiation: elf32-spu.c:elf_hash_table
Unexecuted instantiation: elf32-tic6x.c:elf_hash_table
Unexecuted instantiation: elf32-tilegx.c:elf_hash_table
Unexecuted instantiation: elf32-tilepro.c:elf_hash_table
Unexecuted instantiation: elf32-v850.c:elf_hash_table
Unexecuted instantiation: elf32-vax.c:elf_hash_table
Unexecuted instantiation: elf32-visium.c:elf_hash_table
Unexecuted instantiation: elf32-wasm32.c:elf_hash_table
Unexecuted instantiation: elf32-xgate.c:elf_hash_table
Unexecuted instantiation: elf32-xstormy16.c:elf_hash_table
Unexecuted instantiation: elf32-xtensa.c:elf_hash_table
Unexecuted instantiation: elf32-z80.c:elf_hash_table
Unexecuted instantiation: elfxx-sparc.c:elf_hash_table
Unexecuted instantiation: elfxx-tilegx.c:elf_hash_table
Unexecuted instantiation: cpu-nds32.c:elf_hash_table
Unexecuted instantiation: compress.c:elf_hash_table
Unexecuted instantiation: elf-properties.c:elf_hash_table
Unexecuted instantiation: merge.c:elf_hash_table
Unexecuted instantiation: elf-nacl.c:elf_hash_table
799
800
static inline enum elf_target_id
801
elf_hash_table_id (const struct elf_link_hash_table *table)
802
0
{
803
0
  return table->hash_table_id;
804
0
}
Unexecuted instantiation: bfd.c:elf_hash_table_id
Unexecuted instantiation: opncls.c:elf_hash_table_id
Unexecuted instantiation: elf64-x86-64.c:elf_hash_table_id
Unexecuted instantiation: elfxx-x86.c:elf_hash_table_id
Unexecuted instantiation: elf-ifunc.c:elf_hash_table_id
Unexecuted instantiation: elf-vxworks.c:elf_hash_table_id
Unexecuted instantiation: elf64.c:elf_hash_table_id
Unexecuted instantiation: elf.c:elf_hash_table_id
Unexecuted instantiation: elflink.c:elf_hash_table_id
Unexecuted instantiation: elf-attrs.c:elf_hash_table_id
Unexecuted instantiation: elf-strtab.c:elf_hash_table_id
Unexecuted instantiation: elf-eh-frame.c:elf_hash_table_id
Unexecuted instantiation: elf-sframe.c:elf_hash_table_id
Unexecuted instantiation: dwarf1.c:elf_hash_table_id
Unexecuted instantiation: dwarf2.c:elf_hash_table_id
Unexecuted instantiation: elf32-i386.c:elf_hash_table_id
Unexecuted instantiation: elf32.c:elf_hash_table_id
Unexecuted instantiation: elf64-gen.c:elf_hash_table_id
Unexecuted instantiation: elf32-gen.c:elf_hash_table_id
Unexecuted instantiation: elf32-aarch64.c:elf_hash_table_id
Unexecuted instantiation: elf32-ia64.c:elf_hash_table_id
Unexecuted instantiation: elf32-kvx.c:elf_hash_table_id
Unexecuted instantiation: elf32-loongarch.c:elf_hash_table_id
Unexecuted instantiation: elf32-mips.c:elf_hash_table_id
Unexecuted instantiation: elf32-riscv.c:elf_hash_table_id
Unexecuted instantiation: elf32-score.c:elf_hash_table_id
Unexecuted instantiation: elf32-score7.c:elf_hash_table_id
Unexecuted instantiation: elf64-aarch64.c:elf_hash_table_id
Unexecuted instantiation: elf64-alpha.c:elf_hash_table_id
Unexecuted instantiation: elf64-amdgcn.c:elf_hash_table_id
Unexecuted instantiation: elf64-bpf.c:elf_hash_table_id
Unexecuted instantiation: elf64-hppa.c:elf_hash_table_id
Unexecuted instantiation: elf64-ia64-vms.c:elf_hash_table_id
Unexecuted instantiation: elf64-ia64.c:elf_hash_table_id
Unexecuted instantiation: elf64-kvx.c:elf_hash_table_id
Unexecuted instantiation: elf64-loongarch.c:elf_hash_table_id
Unexecuted instantiation: elf64-mips.c:elf_hash_table_id
Unexecuted instantiation: elf64-mmix.c:elf_hash_table_id
Unexecuted instantiation: elf64-nfp.c:elf_hash_table_id
Unexecuted instantiation: elf64-ppc.c:elf_hash_table_id
Unexecuted instantiation: elf64-riscv.c:elf_hash_table_id
Unexecuted instantiation: elf64-s390.c:elf_hash_table_id
Unexecuted instantiation: elf64-sparc.c:elf_hash_table_id
Unexecuted instantiation: elf64-tilegx.c:elf_hash_table_id
Unexecuted instantiation: elfn32-mips.c:elf_hash_table_id
Unexecuted instantiation: elfxx-aarch64.c:elf_hash_table_id
Unexecuted instantiation: elfxx-ia64.c:elf_hash_table_id
Unexecuted instantiation: elfxx-kvx.c:elf_hash_table_id
Unexecuted instantiation: elfxx-loongarch.c:elf_hash_table_id
Unexecuted instantiation: elfxx-mips.c:elf_hash_table_id
Unexecuted instantiation: elfxx-riscv.c:elf_hash_table_id
Unexecuted instantiation: elf-m10200.c:elf_hash_table_id
Unexecuted instantiation: elf-m10300.c:elf_hash_table_id
Unexecuted instantiation: elf32-am33lin.c:elf_hash_table_id
Unexecuted instantiation: elf32-arc.c:elf_hash_table_id
Unexecuted instantiation: elf32-arm.c:elf_hash_table_id
Unexecuted instantiation: elf32-avr.c:elf_hash_table_id
Unexecuted instantiation: elf32-bfin.c:elf_hash_table_id
Unexecuted instantiation: elf32-cr16.c:elf_hash_table_id
Unexecuted instantiation: elf32-cris.c:elf_hash_table_id
Unexecuted instantiation: elf32-crx.c:elf_hash_table_id
Unexecuted instantiation: elf32-csky.c:elf_hash_table_id
Unexecuted instantiation: elf32-d10v.c:elf_hash_table_id
Unexecuted instantiation: elf32-d30v.c:elf_hash_table_id
Unexecuted instantiation: elf32-dlx.c:elf_hash_table_id
Unexecuted instantiation: elf32-epiphany.c:elf_hash_table_id
Unexecuted instantiation: elf32-fr30.c:elf_hash_table_id
Unexecuted instantiation: elf32-frv.c:elf_hash_table_id
Unexecuted instantiation: elf32-ft32.c:elf_hash_table_id
Unexecuted instantiation: elf32-h8300.c:elf_hash_table_id
Unexecuted instantiation: elf32-hppa.c:elf_hash_table_id
Unexecuted instantiation: elf32-ip2k.c:elf_hash_table_id
Unexecuted instantiation: elf32-iq2000.c:elf_hash_table_id
Unexecuted instantiation: elf32-lm32.c:elf_hash_table_id
Unexecuted instantiation: elf32-m32c.c:elf_hash_table_id
Unexecuted instantiation: elf32-m32r.c:elf_hash_table_id
Unexecuted instantiation: elf32-m68hc11.c:elf_hash_table_id
Unexecuted instantiation: elf32-m68hc12.c:elf_hash_table_id
Unexecuted instantiation: elf32-m68hc1x.c:elf_hash_table_id
Unexecuted instantiation: elf32-m68k.c:elf_hash_table_id
Unexecuted instantiation: elf32-mcore.c:elf_hash_table_id
Unexecuted instantiation: elf32-mep.c:elf_hash_table_id
Unexecuted instantiation: elf32-metag.c:elf_hash_table_id
Unexecuted instantiation: elf32-microblaze.c:elf_hash_table_id
Unexecuted instantiation: elf32-moxie.c:elf_hash_table_id
Unexecuted instantiation: elf32-msp430.c:elf_hash_table_id
Unexecuted instantiation: elf32-mt.c:elf_hash_table_id
Unexecuted instantiation: elf32-nds32.c:elf_hash_table_id
Unexecuted instantiation: elf32-nios2.c:elf_hash_table_id
Unexecuted instantiation: elf32-or1k.c:elf_hash_table_id
Unexecuted instantiation: elf32-pj.c:elf_hash_table_id
Unexecuted instantiation: elf32-ppc.c:elf_hash_table_id
Unexecuted instantiation: elf32-pru.c:elf_hash_table_id
Unexecuted instantiation: elf32-rl78.c:elf_hash_table_id
Unexecuted instantiation: elf32-rx.c:elf_hash_table_id
Unexecuted instantiation: elf32-s12z.c:elf_hash_table_id
Unexecuted instantiation: elf32-s390.c:elf_hash_table_id
Unexecuted instantiation: elf32-sh.c:elf_hash_table_id
Unexecuted instantiation: elf32-sparc.c:elf_hash_table_id
Unexecuted instantiation: elf32-spu.c:elf_hash_table_id
Unexecuted instantiation: elf32-tic6x.c:elf_hash_table_id
Unexecuted instantiation: elf32-tilegx.c:elf_hash_table_id
Unexecuted instantiation: elf32-tilepro.c:elf_hash_table_id
Unexecuted instantiation: elf32-v850.c:elf_hash_table_id
Unexecuted instantiation: elf32-vax.c:elf_hash_table_id
Unexecuted instantiation: elf32-visium.c:elf_hash_table_id
Unexecuted instantiation: elf32-wasm32.c:elf_hash_table_id
Unexecuted instantiation: elf32-xgate.c:elf_hash_table_id
Unexecuted instantiation: elf32-xstormy16.c:elf_hash_table_id
Unexecuted instantiation: elf32-xtensa.c:elf_hash_table_id
Unexecuted instantiation: elf32-z80.c:elf_hash_table_id
Unexecuted instantiation: elfxx-sparc.c:elf_hash_table_id
Unexecuted instantiation: elfxx-tilegx.c:elf_hash_table_id
Unexecuted instantiation: cpu-nds32.c:elf_hash_table_id
Unexecuted instantiation: compress.c:elf_hash_table_id
Unexecuted instantiation: elf-properties.c:elf_hash_table_id
Unexecuted instantiation: merge.c:elf_hash_table_id
Unexecuted instantiation: elf-nacl.c:elf_hash_table_id
805

806
/* Constant information held for an ELF backend.  */
807
808
struct elf_size_info {
809
  unsigned char sizeof_ehdr, sizeof_phdr, sizeof_shdr;
810
  unsigned char sizeof_rel, sizeof_rela, sizeof_sym, sizeof_dyn, sizeof_note;
811
812
  /* The size of entries in the .hash section.  */
813
  unsigned char sizeof_hash_entry;
814
815
  /* The number of internal relocations to allocate per external
816
     relocation entry.  */
817
  unsigned char int_rels_per_ext_rel;
818
  /* We use some fixed size arrays.  This should be large enough to
819
     handle all back-ends.  */
820
0
#define MAX_INT_RELS_PER_EXT_REL 3
821
822
  unsigned char arch_size, log_file_align;
823
  unsigned char elfclass, ev_current;
824
  int (*write_out_phdrs)
825
    (bfd *, const Elf_Internal_Phdr *, unsigned int);
826
  bool (*write_shdrs_and_ehdr) (bfd *);
827
  bool (*checksum_contents)
828
    (bfd * , void (*) (const void *, size_t, void *), void *);
829
  void (*write_relocs)
830
    (bfd *, asection *, void *);
831
  bool (*swap_symbol_in)
832
    (bfd *, const void *, const void *, Elf_Internal_Sym *);
833
  void (*swap_symbol_out)
834
    (bfd *, const Elf_Internal_Sym *, void *, void *);
835
  bool (*slurp_reloc_table)
836
    (bfd *, asection *, asymbol **, bool);
837
  long (*slurp_symbol_table)
838
    (bfd *, asymbol **, bool);
839
  void (*swap_dyn_in)
840
    (bfd *, const void *, Elf_Internal_Dyn *);
841
  void (*swap_dyn_out)
842
    (bfd *, const Elf_Internal_Dyn *, void *);
843
844
  /* This function is called to swap in a REL relocation.  If an
845
     external relocation corresponds to more than one internal
846
     relocation, then all relocations are swapped in at once.  */
847
  void (*swap_reloc_in)
848
    (bfd *, const bfd_byte *, Elf_Internal_Rela *);
849
850
  /* This function is called to swap out a REL relocation.  */
851
  void (*swap_reloc_out)
852
    (bfd *, const Elf_Internal_Rela *, bfd_byte *);
853
854
  /* This function is called to swap in a RELA relocation.  If an
855
     external relocation corresponds to more than one internal
856
     relocation, then all relocations are swapped in at once.  */
857
  void (*swap_reloca_in)
858
    (bfd *, const bfd_byte *, Elf_Internal_Rela *);
859
860
  /* This function is called to swap out a RELA relocation.  */
861
  void (*swap_reloca_out)
862
    (bfd *, const Elf_Internal_Rela *, bfd_byte *);
863
};
864
865
#define elf_symbol_from(S) \
866
0
  ((((S)->flags & BSF_SYNTHETIC) == 0        \
867
0
    && (S)->the_bfd != NULL          \
868
0
    && (S)->the_bfd->xvec->flavour == bfd_target_elf_flavour  \
869
0
    && (S)->the_bfd->tdata.elf_obj_data != 0)     \
870
0
   ? (elf_symbol_type *) (S)          \
871
0
   : 0)
872
873
enum elf_reloc_type_class {
874
  reloc_class_normal,
875
  reloc_class_relative,
876
  reloc_class_copy,
877
  reloc_class_ifunc,
878
  reloc_class_plt
879
};
880
881
struct elf_reloc_cookie
882
{
883
  Elf_Internal_Rela *rels, *rel, *relend;
884
  Elf_Internal_Sym *locsyms;
885
  bfd *abfd;
886
  size_t locsymcount;
887
  size_t extsymoff;
888
  struct elf_link_hash_entry **sym_hashes;
889
  int r_sym_shift;
890
  bool bad_symtab;
891
};
892
893
/* The level of IRIX compatibility we're striving for.  */
894
895
typedef enum {
896
  ict_none,
897
  ict_irix5,
898
  ict_irix6
899
} irix_compat_t;
900
901
/* Mapping of ELF section names and types.  */
902
struct bfd_elf_special_section
903
{
904
  const char *prefix;
905
  unsigned int prefix_length;
906
  /* 0 means name must match PREFIX exactly.
907
     -1 means name must start with PREFIX followed by an arbitrary string.
908
     -2 means name must match PREFIX exactly or consist of PREFIX followed
909
     by a dot then anything.
910
     > 0 means name must start with the first PREFIX_LENGTH chars of
911
     PREFIX and finish with the last SUFFIX_LENGTH chars of PREFIX.  */
912
  signed int suffix_length;
913
  unsigned int type;
914
  bfd_vma attr;
915
};
916
917
enum action_discarded
918
  {
919
    COMPLAIN = 1,
920
    PRETEND = 2
921
  };
922
923
typedef asection * (*elf_gc_mark_hook_fn)
924
  (asection *, struct bfd_link_info *, Elf_Internal_Rela *,
925
   struct elf_link_hash_entry *, Elf_Internal_Sym *);
926
927
enum elf_property_kind
928
 {
929
    /* A new property.  */
930
    property_unknown = 0,
931
    /* A property ignored by backend.  */
932
    property_ignored,
933
    /* A corrupt property reported by backend.  */
934
    property_corrupt,
935
    /* A property should be removed due to property merge.  */
936
    property_remove,
937
    /* A property which is a number.  */
938
    property_number
939
 };
940
941
typedef struct elf_property
942
{
943
  unsigned int pr_type;
944
  unsigned int pr_datasz;
945
  union
946
    {
947
      /* For property_number, this is a number.  */
948
      bfd_vma number;
949
      /* Add a new one if elf_property_kind is updated.  */
950
    } u;
951
  enum elf_property_kind pr_kind;
952
} elf_property;
953
954
typedef struct elf_property_list
955
{
956
  struct elf_property_list *next;
957
  struct elf_property property;
958
} elf_property_list;
959
960
struct bfd_elf_section_reloc_data;
961
962
struct elf_backend_data
963
{
964
  /* The architecture for this backend.  */
965
  enum bfd_architecture arch;
966
967
  /* An identifier used to distinguish different target specific
968
     extensions to elf_obj_tdata and elf_link_hash_table structures.  */
969
  enum elf_target_id target_id;
970
971
  /* Target OS.  */
972
  enum elf_target_os target_os;
973
974
  /* The ELF machine code (EM_xxxx) for this backend.  */
975
  int elf_machine_code;
976
977
  /* EI_OSABI.  */
978
  int elf_osabi;
979
980
  /* The maximum page size for this backend.  */
981
  bfd_vma maxpagesize;
982
983
  /* The minimum page size for this backend.  An input object will not be
984
     considered page aligned unless its sections are correctly aligned for
985
     pages at least this large.  May be smaller than maxpagesize.  */
986
  bfd_vma minpagesize;
987
988
  /* The common page size for this backend.  */
989
  bfd_vma commonpagesize;
990
991
  /* The p_align value for this backend.  If it is set, p_align of
992
      PT_LOAD alignment will be to p_align by default.  */
993
  bfd_vma p_align;
994
995
  /* The BFD flags applied to sections created for dynamic linking.  */
996
  flagword dynamic_sec_flags;
997
998
  /* Architecture-specific data for this backend.
999
     This is actually a pointer to some type like struct elf_ARCH_data.  */
1000
  const void *arch_data;
1001
1002
  /* A function to translate an ELF RELA relocation to a BFD arelent
1003
     structure.  Returns TRUE upon success, FALSE otherwise.  */
1004
  bool (*elf_info_to_howto)
1005
    (bfd *, arelent *, Elf_Internal_Rela *);
1006
1007
  /* A function to translate an ELF REL relocation to a BFD arelent
1008
     structure.  Returns TRUE upon success, FALSE otherwise.  */
1009
  bool (*elf_info_to_howto_rel)
1010
    (bfd *, arelent *, Elf_Internal_Rela *);
1011
1012
  /* A function to determine whether a symbol is global when
1013
     partitioning the symbol table into local and global symbols.
1014
     This should be NULL for most targets, in which case the correct
1015
     thing will be done.  MIPS ELF, at least on the Irix 5, has
1016
     special requirements.  */
1017
  bool (*elf_backend_sym_is_global)
1018
    (bfd *, asymbol *);
1019
1020
  /* The remaining functions are hooks which are called only if they
1021
     are not NULL.  */
1022
1023
  /* A function to permit a backend specific check on whether a
1024
     particular BFD format is relevant for an object file, and to
1025
     permit the backend to set any global information it wishes.  When
1026
     this is called elf_elfheader is set, but anything else should be
1027
     used with caution.  If this returns FALSE, the check_format
1028
     routine will return a bfd_error_wrong_format error.  */
1029
  bool (*elf_backend_object_p)
1030
    (bfd *);
1031
1032
  /* A function to do additional symbol processing when reading the
1033
     ELF symbol table.  This is where any processor-specific special
1034
     section indices are handled.  */
1035
  void (*elf_backend_symbol_processing)
1036
    (bfd *, asymbol *);
1037
1038
  /* A function to do additional symbol processing after reading the
1039
     entire ELF symbol table.  */
1040
  bool (*elf_backend_symbol_table_processing)
1041
    (bfd *, elf_symbol_type *, unsigned int);
1042
1043
  /* A function to set the type of the info field.  Processor-specific
1044
     types should be handled here.  */
1045
  int (*elf_backend_get_symbol_type)
1046
    (Elf_Internal_Sym *, int);
1047
1048
  /* A function to return the linker hash table entry of a symbol that
1049
     might be satisfied by an archive symbol.  */
1050
  struct bfd_link_hash_entry * (*elf_backend_archive_symbol_lookup)
1051
    (bfd *, struct bfd_link_info *, const char *);
1052
1053
  /* Return true if local section symbols should have a non-null st_name.
1054
     NULL implies false.  */
1055
  bool (*elf_backend_name_local_section_symbols)
1056
    (bfd *);
1057
1058
  /* A function to do additional processing on the ELF section header
1059
     just before writing it out.  This is used to set the flags and
1060
     type fields for some sections, or to actually write out data for
1061
     unusual sections.  */
1062
  bool (*elf_backend_section_processing)
1063
    (bfd *, Elf_Internal_Shdr *);
1064
1065
  /* A function to handle unusual section types when creating BFD
1066
     sections from ELF sections.  */
1067
  bool (*elf_backend_section_from_shdr)
1068
    (bfd *, Elf_Internal_Shdr *, const char *, int);
1069
1070
  /* A function to convert machine dependent ELF section header flags to
1071
     BFD internal section header flags.  */
1072
  bool (*elf_backend_section_flags)
1073
    (const Elf_Internal_Shdr *);
1074
1075
  /* A function that returns a struct containing ELF section flags and
1076
     type for the given BFD section.   */
1077
  const struct bfd_elf_special_section * (*get_sec_type_attr)
1078
    (bfd *, asection *);
1079
1080
  /* A function to handle unusual program segment types when creating BFD
1081
     sections from ELF program segments.  */
1082
  bool (*elf_backend_section_from_phdr)
1083
    (bfd *, Elf_Internal_Phdr *, int, const char *);
1084
1085
  /* A function to set up the ELF section header for a BFD section in
1086
     preparation for writing it out.  This is where the flags and type
1087
     fields are set for unusual sections.  */
1088
  bool (*elf_backend_fake_sections)
1089
    (bfd *, Elf_Internal_Shdr *, asection *);
1090
1091
  /* A function to get the ELF section index for a BFD section.  If
1092
     this returns TRUE, the section was found.  If it is a normal ELF
1093
     section, *RETVAL should be left unchanged.  If it is not a normal
1094
     ELF section *RETVAL should be set to the SHN_xxxx index.  */
1095
  bool (*elf_backend_section_from_bfd_section)
1096
    (bfd *, asection *, int *retval);
1097
1098
  /* If this field is not NULL, it is called by the add_symbols phase
1099
     of a link just before adding a symbol to the global linker hash
1100
     table.  It may modify any of the fields as it wishes.  If *NAME
1101
     is set to NULL, the symbol will be skipped rather than being
1102
     added to the hash table.  This function is responsible for
1103
     handling all processor dependent symbol bindings and section
1104
     indices, and must set at least *FLAGS and *SEC for each processor
1105
     dependent case; failure to do so will cause a link error.  */
1106
  bool (*elf_add_symbol_hook)
1107
    (bfd *abfd, struct bfd_link_info *info, Elf_Internal_Sym *,
1108
     const char **name, flagword *flags, asection **sec, bfd_vma *value);
1109
1110
  /* If this field is not NULL, it is called by the elf_link_output_sym
1111
     phase of a link for each symbol which will appear in the object file.
1112
     On error, this function returns 0.  1 is returned when the symbol
1113
     should be output, 2 is returned when the symbol should be discarded.  */
1114
  int (*elf_backend_link_output_symbol_hook)
1115
    (struct bfd_link_info *info, const char *, Elf_Internal_Sym *,
1116
     asection *, struct elf_link_hash_entry *);
1117
1118
  /* The CREATE_DYNAMIC_SECTIONS function is called by the ELF backend
1119
     linker the first time it encounters a dynamic object in the link.
1120
     This function must create any sections required for dynamic
1121
     linking.  The ABFD argument is a dynamic object.  The .interp,
1122
     .dynamic, .dynsym, .dynstr, and .hash functions have already been
1123
     created, and this function may modify the section flags if
1124
     desired.  This function will normally create the .got and .plt
1125
     sections, but different backends have different requirements.  */
1126
  bool (*elf_backend_create_dynamic_sections)
1127
    (bfd *abfd, struct bfd_link_info *info);
1128
1129
  /* When creating a shared library, determine whether to omit the
1130
     dynamic symbol for the section.  */
1131
  bool (*elf_backend_omit_section_dynsym)
1132
    (bfd *output_bfd, struct bfd_link_info *info, asection *osec);
1133
1134
  /* Return TRUE if relocations of targets are compatible to the extent
1135
     that CHECK_RELOCS will properly process them.  PR 4424.  */
1136
  bool (*relocs_compatible) (const bfd_target *, const bfd_target *);
1137
1138
  /* The CHECK_RELOCS function is called after all input files have been
1139
     opened.  It is called once for each section with relocs of an object
1140
     file.  The function must look through the relocs and do any special
1141
     handling required.  This generally means allocating space in the
1142
     global offset table, and perhaps allocating space for a reloc.  The
1143
     relocs are always passed as Rela structures; if the section
1144
     actually uses Rel structures, the r_addend field will always be
1145
     zero.  */
1146
  bool (*check_relocs)
1147
    (bfd *abfd, struct bfd_link_info *info, asection *o,
1148
     const Elf_Internal_Rela *relocs);
1149
1150
  /* The SIZE_RELATIVE_RELOCS function is called to size relative
1151
     relocations when mappig sections to segments.  */
1152
  bool (*size_relative_relocs)
1153
    (struct bfd_link_info *info, bool *need_layout);
1154
1155
  /* The FINISH_RELATIVE_RELOCS function is called to finish relative
1156
     relocations in bfd_elf_final_link.  */
1157
  bool (*finish_relative_relocs)
1158
    (struct bfd_link_info *info);
1159
1160
  /* The CHECK_DIRECTIVES function is called once per input file by
1161
     the add_symbols phase of the ELF backend linker.  The function
1162
     must inspect the bfd and create any additional symbols according
1163
     to any custom directives in the bfd.  */
1164
  bool (*check_directives)
1165
    (bfd *abfd, struct bfd_link_info *info);
1166
1167
  /* The NOTICE_AS_NEEDED function is called as the linker is about to
1168
     handle an as-needed lib (ACT = notice_as_needed), and after the
1169
     linker has decided to keep the lib (ACT = notice_needed) or when
1170
     the lib is not needed (ACT = notice_not_needed).  */
1171
  bool (*notice_as_needed)
1172
    (bfd *abfd, struct bfd_link_info *info, enum notice_asneeded_action act);
1173
1174
  /* The ADJUST_DYNAMIC_SYMBOL function is called by the ELF backend
1175
     linker for every symbol which is defined by a dynamic object and
1176
     referenced by a regular object.  This is called after all the
1177
     input files have been seen, but before the SIZE_DYNAMIC_SECTIONS
1178
     function has been called.  The hash table entry should be
1179
     bfd_link_hash_defined ore bfd_link_hash_defweak, and it should be
1180
     defined in a section from a dynamic object.  Dynamic object
1181
     sections are not included in the final link, and this function is
1182
     responsible for changing the value to something which the rest of
1183
     the link can deal with.  This will normally involve adding an
1184
     entry to the .plt or .got or some such section, and setting the
1185
     symbol to point to that.  */
1186
  bool (*elf_backend_adjust_dynamic_symbol)
1187
    (struct bfd_link_info *info, struct elf_link_hash_entry *h);
1188
1189
  /* The ALWAYS_SIZE_SECTIONS function is called by the backend linker
1190
     after all the linker input files have been seen but before the
1191
     section sizes have been set.  This is called after
1192
     ADJUST_DYNAMIC_SYMBOL, but before SIZE_DYNAMIC_SECTIONS.  */
1193
  bool (*elf_backend_always_size_sections)
1194
    (bfd *output_bfd, struct bfd_link_info *info);
1195
1196
  /* The SIZE_DYNAMIC_SECTIONS function is called by the ELF backend
1197
     linker after all the linker input files have been seen but before
1198
     the sections sizes have been set.  This is called after
1199
     ADJUST_DYNAMIC_SYMBOL has been called on all appropriate symbols.
1200
     It is only called when linking against a dynamic object.  It must
1201
     set the sizes of the dynamic sections, and may fill in their
1202
     contents as well.  The generic ELF linker can handle the .dynsym,
1203
     .dynstr and .hash sections.  This function must handle the
1204
     .interp section and any sections created by the
1205
     CREATE_DYNAMIC_SECTIONS entry point.  */
1206
  bool (*elf_backend_size_dynamic_sections)
1207
    (bfd *output_bfd, struct bfd_link_info *info);
1208
1209
  /* The STRIP_ZERO_SIZED_DYNAMIC_SECTIONS function is called by the
1210
     ELF backend linker to strip zero-sized dynamic sections after
1211
     the section sizes have been set.  */
1212
  bool (*elf_backend_strip_zero_sized_dynamic_sections)
1213
    (struct bfd_link_info *info);
1214
1215
  /* Set TEXT_INDEX_SECTION and DATA_INDEX_SECTION, the output sections
1216
     we keep to use as a base for relocs and symbols.  */
1217
  void (*elf_backend_init_index_section)
1218
    (bfd *output_bfd, struct bfd_link_info *info);
1219
1220
  /* The RELOCATE_SECTION function is called by the ELF backend linker
1221
     to handle the relocations for a section.
1222
1223
     The relocs are always passed as Rela structures; if the section
1224
     actually uses Rel structures, the r_addend field will always be
1225
     zero.
1226
1227
     This function is responsible for adjust the section contents as
1228
     necessary, and (if using Rela relocs and generating a
1229
     relocatable output file) adjusting the reloc addend as
1230
     necessary.
1231
1232
     This function does not have to worry about setting the reloc
1233
     address or the reloc symbol index.
1234
1235
     LOCAL_SYMS is a pointer to the swapped in local symbols.
1236
1237
     LOCAL_SECTIONS is an array giving the section in the input file
1238
     corresponding to the st_shndx field of each local symbol.
1239
1240
     The global hash table entry for the global symbols can be found
1241
     via elf_sym_hashes (input_bfd).
1242
1243
     When generating relocatable output, this function must handle
1244
     STB_LOCAL/STT_SECTION symbols specially.  The output symbol is
1245
     going to be the section symbol corresponding to the output
1246
     section, which means that the addend must be adjusted
1247
     accordingly.
1248
1249
     Returns FALSE on error, TRUE on success, 2 if successful and
1250
     relocations should be written for this section.  */
1251
  int (*elf_backend_relocate_section)
1252
    (bfd *output_bfd, struct bfd_link_info *info, bfd *input_bfd,
1253
     asection *input_section, bfd_byte *contents, Elf_Internal_Rela *relocs,
1254
     Elf_Internal_Sym *local_syms, asection **local_sections);
1255
1256
  /* The FINISH_DYNAMIC_SYMBOL function is called by the ELF backend
1257
     linker just before it writes a symbol out to the .dynsym section.
1258
     The processor backend may make any required adjustment to the
1259
     symbol.  It may also take the opportunity to set contents of the
1260
     dynamic sections.  Note that FINISH_DYNAMIC_SYMBOL is called on
1261
     all .dynsym symbols, while ADJUST_DYNAMIC_SYMBOL is only called
1262
     on those symbols which are defined by a dynamic object.  */
1263
  bool (*elf_backend_finish_dynamic_symbol)
1264
    (bfd *output_bfd, struct bfd_link_info *info,
1265
     struct elf_link_hash_entry *h, Elf_Internal_Sym *sym);
1266
1267
  /* The FINISH_DYNAMIC_SECTIONS function is called by the ELF backend
1268
     linker just before it writes all the dynamic sections out to the
1269
     output file.  The FINISH_DYNAMIC_SYMBOL will have been called on
1270
     all dynamic symbols.  */
1271
  bool (*elf_backend_finish_dynamic_sections)
1272
    (bfd *output_bfd, struct bfd_link_info *info);
1273
1274
  /* A function to do any beginning processing needed for the ELF file
1275
     before building the ELF headers and computing file positions.  */
1276
  void (*elf_backend_begin_write_processing)
1277
    (bfd *, struct bfd_link_info *);
1278
1279
  /* A function to do any final processing needed for the ELF file
1280
     before writing it out.  */
1281
  bool (*elf_backend_final_write_processing)
1282
    (bfd *);
1283
1284
  /* This function is called by get_program_header_size.  It should
1285
     return the number of additional program segments which this BFD
1286
     will need.  It should return -1 on error.  */
1287
  int (*elf_backend_additional_program_headers)
1288
    (bfd *, struct bfd_link_info *);
1289
1290
  /* This function is called to modify an existing segment map in a
1291
     backend specific fashion.  */
1292
  bool (*elf_backend_modify_segment_map)
1293
    (bfd *, struct bfd_link_info *);
1294
1295
  /* This function is called to modify program headers just before
1296
     they are written.  */
1297
  bool (*elf_backend_modify_headers)
1298
    (bfd *, struct bfd_link_info *);
1299
1300
  /* This function is called to see if the PHDR header should be
1301
     checked for validity.  */
1302
  bool (*elf_backend_allow_non_load_phdr)
1303
    (bfd *,  const Elf_Internal_Phdr *, unsigned);
1304
1305
  /* This function is called before section garbage collection to
1306
     mark entry symbol sections.  */
1307
  void (*gc_keep)
1308
    (struct bfd_link_info *);
1309
1310
  /* This function is called during section garbage collection to
1311
     mark sections that define global symbols.  */
1312
  bool (*gc_mark_dynamic_ref)
1313
    (struct elf_link_hash_entry *, void *);
1314
1315
  /* This function is called during section gc to discover the section a
1316
     particular relocation refers to.  */
1317
  elf_gc_mark_hook_fn gc_mark_hook;
1318
1319
  /* This function, if defined, is called after the first gc marking pass
1320
     to allow the backend to mark additional sections.  */
1321
  bool (*gc_mark_extra_sections)
1322
    (struct bfd_link_info *, elf_gc_mark_hook_fn);
1323
1324
  /* This function is called to initialise ELF file header info.
1325
     Customised versions can modify things like the OS and ABI version.  */
1326
  bool (*elf_backend_init_file_header)
1327
    (bfd *, struct bfd_link_info *);
1328
1329
  /* This function, if defined, prints a symbol to file and returns the
1330
     name of the symbol to be printed.  It should return NULL to fall
1331
     back to default symbol printing.  */
1332
  const char *(*elf_backend_print_symbol_all)
1333
    (bfd *, void *, asymbol *);
1334
1335
  /* This function, if defined, is called after all local symbols and
1336
     global symbols converted to locals are emitted into the symtab
1337
     section.  It allows the backend to emit special local symbols
1338
     not handled in the hash table.  */
1339
  bool (*elf_backend_output_arch_local_syms)
1340
    (bfd *, struct bfd_link_info *, void *,
1341
     int (*) (void *, const char *, Elf_Internal_Sym *, asection *,
1342
        struct elf_link_hash_entry *));
1343
1344
  /* This function, if defined, is called after all symbols are emitted
1345
     into the symtab section.  It allows the backend to emit special
1346
     global symbols not handled in the hash table.  */
1347
  bool (*elf_backend_output_arch_syms)
1348
    (bfd *, struct bfd_link_info *, void *,
1349
     int (*) (void *, const char *, Elf_Internal_Sym *, asection *,
1350
        struct elf_link_hash_entry *));
1351
1352
  /* Filter what symbols of the output file to include in the import
1353
     library if one is created.  */
1354
  unsigned int (*elf_backend_filter_implib_symbols)
1355
    (bfd *, struct bfd_link_info *, asymbol **, long);
1356
1357
  /* Copy any information related to dynamic linking from a pre-existing
1358
     symbol to a newly created symbol.  Also called to copy flags and
1359
     other back-end info to a weakdef, in which case the symbol is not
1360
     newly created and plt/got refcounts and dynamic indices should not
1361
     be copied.  */
1362
  void (*elf_backend_copy_indirect_symbol)
1363
    (struct bfd_link_info *, struct elf_link_hash_entry *,
1364
     struct elf_link_hash_entry *);
1365
1366
  /* Modify any information related to dynamic linking such that the
1367
     symbol is not exported.  */
1368
  void (*elf_backend_hide_symbol)
1369
    (struct bfd_link_info *, struct elf_link_hash_entry *, bool);
1370
1371
  /* A function to do additional symbol fixup, called by
1372
     _bfd_elf_fix_symbol_flags.  */
1373
  bool (*elf_backend_fixup_symbol)
1374
    (struct bfd_link_info *, struct elf_link_hash_entry *);
1375
1376
  /* Merge the backend specific symbol attribute.  */
1377
  void (*elf_backend_merge_symbol_attribute)
1378
    (struct elf_link_hash_entry *, unsigned int, bool, bool);
1379
1380
  /* This function, if defined, will return a string containing the
1381
     name of a target-specific dynamic tag.  */
1382
  char *(*elf_backend_get_target_dtag)
1383
    (bfd_vma);
1384
1385
  /* Decide whether an undefined symbol is special and can be ignored.
1386
     This is the case for OPTIONAL symbols on IRIX.  */
1387
  bool (*elf_backend_ignore_undef_symbol)
1388
    (struct elf_link_hash_entry *);
1389
1390
  /* Emit relocations.  Overrides default routine for emitting relocs,
1391
     except during a relocatable link, or if all relocs are being emitted.  */
1392
  bool (*elf_backend_emit_relocs)
1393
    (bfd *, asection *, Elf_Internal_Shdr *, Elf_Internal_Rela *,
1394
     struct elf_link_hash_entry **);
1395
1396
  /* Update relocations.  It is allowed to change the number and the order.
1397
     In such a case hashes should be invalidated.  */
1398
  void (*elf_backend_update_relocs)
1399
    (asection *, struct bfd_elf_section_reloc_data *);
1400
1401
  /* Count relocations.  Not called for relocatable links
1402
     or if all relocs are being preserved in the output.  */
1403
  unsigned int (*elf_backend_count_relocs)
1404
    (struct bfd_link_info *, asection *);
1405
1406
  /* Count additionals relocations.  Called for relocatable links if
1407
     additional relocations needs to be created.  */
1408
  unsigned int (*elf_backend_count_additional_relocs)
1409
    (asection *);
1410
1411
  /* Say whether to sort relocs output by ld -r and ld --emit-relocs,
1412
     by r_offset.  If NULL, default to true.  */
1413
  bool (*sort_relocs_p)
1414
    (asection *);
1415
1416
  /* This function, if defined, is called when an NT_PRSTATUS note is found
1417
     in a core file.  */
1418
  bool (*elf_backend_grok_prstatus)
1419
    (bfd *, Elf_Internal_Note *);
1420
1421
  /* This function, if defined, is called when an NT_PSINFO or NT_PRPSINFO
1422
     note is found in a core file.  */
1423
  bool (*elf_backend_grok_psinfo)
1424
    (bfd *, Elf_Internal_Note *);
1425
1426
  /* This function, if defined, is called when a "FreeBSD" NT_PRSTATUS
1427
     note is found in a core file.  */
1428
  bool (*elf_backend_grok_freebsd_prstatus)
1429
    (bfd *, Elf_Internal_Note *);
1430
1431
  /* This function, if defined, is called to write a note to a corefile.  */
1432
  char *(*elf_backend_write_core_note)
1433
    (bfd *abfd, char *buf, int *bufsiz, int note_type, ...);
1434
1435
  /* This function, if defined, is called to convert target-specific
1436
     section flag names into hex values.  */
1437
  flagword (*elf_backend_lookup_section_flags_hook)
1438
    (char *);
1439
1440
  /* This function returns class of a reloc type.  */
1441
  enum elf_reloc_type_class (*elf_backend_reloc_type_class)
1442
  (const struct bfd_link_info *, const asection *, const Elf_Internal_Rela *);
1443
1444
  /* This function, if defined, removes information about discarded functions
1445
     from other sections which mention them.  */
1446
  bool (*elf_backend_discard_info)
1447
    (bfd *, struct elf_reloc_cookie *, struct bfd_link_info *);
1448
1449
  /* This function, if defined, signals that the function above has removed
1450
     the discarded relocations for this section.  */
1451
  bool (*elf_backend_ignore_discarded_relocs)
1452
    (asection *);
1453
1454
  /* What to do when ld finds relocations against symbols defined in
1455
     discarded sections.  */
1456
  unsigned int (*action_discarded)
1457
    (asection *);
1458
1459
  /* This function returns the width of FDE pointers in bytes, or 0 if
1460
     that can't be determined for some reason.  The default definition
1461
     goes by the bfd's EI_CLASS.  */
1462
  unsigned int (*elf_backend_eh_frame_address_size)
1463
    (bfd *, const asection *);
1464
1465
  /* These functions tell elf-eh-frame whether to attempt to turn
1466
     absolute or lsda encodings into pc-relative ones.  The default
1467
     definition enables these transformations.  */
1468
  bool (*elf_backend_can_make_relative_eh_frame)
1469
     (bfd *, struct bfd_link_info *, asection *);
1470
  bool (*elf_backend_can_make_lsda_relative_eh_frame)
1471
     (bfd *, struct bfd_link_info *, asection *);
1472
1473
  /* Tell linker to support multiple eh_frame sections.  */
1474
  bool elf_backend_can_make_multiple_eh_frame;
1475
1476
  /* This function returns an encoding after computing the encoded
1477
     value (and storing it in ENCODED) for the given OFFSET into OSEC,
1478
     to be stored in at LOC_OFFSET into the LOC_SEC input section.
1479
     The default definition chooses a 32-bit PC-relative encoding.  */
1480
  bfd_byte (*elf_backend_encode_eh_address)
1481
     (bfd *abfd, struct bfd_link_info *info,
1482
      asection *osec, bfd_vma offset,
1483
      asection *loc_sec, bfd_vma loc_offset,
1484
      bfd_vma *encoded);
1485
1486
  /* This function, if defined, may write out the given section.
1487
     Returns TRUE if it did so and FALSE if the caller should.  */
1488
  bool (*elf_backend_write_section)
1489
    (bfd *, struct bfd_link_info *, asection *, bfd_byte *);
1490
1491
  /* This function, if defined, returns TRUE if it is section symbols
1492
     only that are considered local for the purpose of partitioning the
1493
     symbol table into local and global symbols.  This should be NULL
1494
     for most targets, in which case the correct thing will be done.
1495
     MIPS ELF, at least on the Irix 5, has special requirements.  */
1496
  bool (*elf_backend_elfsym_local_is_section)
1497
    (bfd *);
1498
1499
  /* The level of IRIX compatibility we're striving for.
1500
     MIPS ELF specific function.  */
1501
  irix_compat_t (*elf_backend_mips_irix_compat)
1502
    (bfd *);
1503
1504
  reloc_howto_type *(*elf_backend_mips_rtype_to_howto)
1505
    (bfd *, unsigned int, bool);
1506
1507
  /* The swapping table to use when dealing with ECOFF information.
1508
     Used for the MIPS ELF .mdebug section.  */
1509
  const struct ecoff_debug_swap *elf_backend_ecoff_debug_swap;
1510
1511
  /* This function implements `bfd_elf_bfd_from_remote_memory';
1512
     see elf.c, elfcode.h.  */
1513
  bfd *(*elf_backend_bfd_from_remote_memory)
1514
    (bfd *templ, bfd_vma ehdr_vma, bfd_size_type size, bfd_vma *loadbasep,
1515
     int (*target_read_memory) (bfd_vma vma, bfd_byte *myaddr,
1516
        bfd_size_type len));
1517
1518
  bool (*elf_backend_core_find_build_id) (bfd *, bfd_vma);
1519
1520
  /* This function is used by `_bfd_elf_get_synthetic_symtab';
1521
     see elf.c.  */
1522
  bfd_vma (*plt_sym_val) (bfd_vma, const asection *, const arelent *);
1523
1524
  /* Is symbol defined in common section?  */
1525
  bool (*common_definition) (Elf_Internal_Sym *);
1526
1527
  /* Return a common section index for section.  */
1528
  unsigned int (*common_section_index) (asection *);
1529
1530
  /* Return a common section for section.  */
1531
  asection *(*common_section) (asection *);
1532
1533
  /* Return TRUE if we can merge 2 definitions.  */
1534
  bool (*merge_symbol) (struct elf_link_hash_entry *,
1535
             const Elf_Internal_Sym *, asection **,
1536
             bool, bool,
1537
             bfd *, const asection *);
1538
1539
  /* Return TRUE if symbol should be hashed in the `.gnu.hash' section.  */
1540
  bool (*elf_hash_symbol) (struct elf_link_hash_entry *);
1541
1542
  /* If non-NULL, called to register the location of XLAT_LOC within
1543
     .MIPS.xhash at which real final dynindx for H will be written.
1544
     If XLAT_LOC is zero, the symbol is not included in
1545
     .MIPS.xhash and no dynindx will be written.  */
1546
  void (*record_xhash_symbol)
1547
    (struct elf_link_hash_entry *h, bfd_vma xlat_loc);
1548
1549
  /* Return TRUE if type is a function symbol type.  */
1550
  bool (*is_function_type) (unsigned int type);
1551
1552
  /* If the ELF symbol SYM might be a function in SEC, return the
1553
     function size and set *CODE_OFF to the function's entry point,
1554
     otherwise return zero.  */
1555
  bfd_size_type (*maybe_function_sym) (const asymbol *sym, asection *sec,
1556
               bfd_vma *code_off);
1557
1558
  /* Given NAME, the name of a relocation section stripped of its
1559
     .rel/.rela prefix, return the section in ABFD to which the
1560
     relocations apply.  */
1561
  asection *(*get_reloc_section) (bfd *abfd, const char *name);
1562
1563
  /* Called to set the sh_flags, sh_link and sh_info fields of OSECTION which
1564
     has a type >= SHT_LOOS.  Returns TRUE if the fields were initialised,
1565
     FALSE otherwise.  Can be called multiple times for a given section,
1566
     until it returns TRUE.  Most of the times it is called ISECTION will be
1567
     set to an input section that might be associated with the output section.
1568
     The last time that it is called, ISECTION will be set to NULL.  */
1569
  bool (*elf_backend_copy_special_section_fields)
1570
    (const bfd *ibfd, bfd *obfd, const Elf_Internal_Shdr *isection,
1571
     Elf_Internal_Shdr *osection);
1572
1573
  /* Used to handle bad SHF_LINK_ORDER input.  */
1574
  void (*link_order_error_handler) (const char *, ...);
1575
1576
  /* Name of the PLT relocation section.  */
1577
  const char *relplt_name;
1578
1579
  /* Alternate EM_xxxx machine codes for this backend.  */
1580
  int elf_machine_alt1;
1581
  int elf_machine_alt2;
1582
1583
  const struct elf_size_info *s;
1584
1585
  /* An array of target specific special sections.  */
1586
  const struct bfd_elf_special_section *special_sections;
1587
1588
  /* The size in bytes of the header for the GOT.  This includes the
1589
     so-called reserved entries on some systems.  */
1590
  bfd_vma got_header_size;
1591
1592
  /* The size of the GOT entry for the symbol pointed to by H if non-NULL,
1593
     otherwise by the local symbol with index SYMNDX in IBFD.  */
1594
  bfd_vma (*got_elt_size) (bfd *, struct bfd_link_info *,
1595
         struct elf_link_hash_entry *h,
1596
         bfd *ibfd, unsigned long symndx);
1597
1598
  /* The vendor name to use for a processor-standard attributes section.  */
1599
  const char *obj_attrs_vendor;
1600
1601
  /* The section name to use for a processor-standard attributes section.  */
1602
  const char *obj_attrs_section;
1603
1604
  /* Return 1, 2 or 3 to indicate what type of arguments a
1605
     processor-specific tag takes.  */
1606
  int (*obj_attrs_arg_type) (int);
1607
1608
  /* The section type to use for an attributes section.  */
1609
  unsigned int obj_attrs_section_type;
1610
1611
  /* This function determines the order in which any attributes are
1612
     written.  It must be defined for input in the range
1613
     LEAST_KNOWN_OBJ_ATTRIBUTE..NUM_KNOWN_OBJ_ATTRIBUTES-1 (this range
1614
     is used in order to make unity easy).  The returned value is the
1615
     actual tag number to place in the input position.  */
1616
  int (*obj_attrs_order) (int);
1617
1618
  /* Handle merging unknown attributes; either warn and return TRUE,
1619
     or give an error and return FALSE.  */
1620
  bool (*obj_attrs_handle_unknown) (bfd *, int);
1621
1622
  /* Parse GNU properties.  Return the property kind.  If the property
1623
     is corrupt, issue an error message and return property_corrupt.  */
1624
  enum elf_property_kind (*parse_gnu_properties) (bfd *, unsigned int,
1625
              bfd_byte *,
1626
              unsigned int);
1627
1628
  /* Merge GNU properties.  Return TRUE if property is updated.  */
1629
  bool (*merge_gnu_properties) (struct bfd_link_info *, bfd *, bfd *,
1630
               elf_property *, elf_property *);
1631
1632
  /* Set up GNU properties.  */
1633
  bfd *(*setup_gnu_properties) (struct bfd_link_info *);
1634
1635
  /* Fix up GNU properties.  */
1636
  void (*fixup_gnu_properties) (struct bfd_link_info *,
1637
        elf_property_list **);
1638
1639
  /* Encoding used for compact EH tables.  */
1640
  int (*compact_eh_encoding) (struct bfd_link_info *);
1641
1642
  /* Opcode representing no unwind.  */
1643
  int (*cant_unwind_opcode) (struct bfd_link_info *);
1644
1645
  /* Called when emitting an ELF symbol whoes input version had an
1646
     ST_SHNDX field set to a value in the range SHN_LOPROC..SHN_HIOS.
1647
     Returns the value to be installed in the ST_SHNDX field of the
1648
     emitted symbol.  If not defined, the value is left unchanged.  */
1649
  unsigned int (*symbol_section_index) (bfd *, elf_symbol_type *);
1650
  
1651
  /* Called when a section has extra reloc sections.  */
1652
  bool (*init_secondary_reloc_section) (bfd *, Elf_Internal_Shdr *,
1653
          const char *, unsigned int);
1654
1655
  /* Called when after loading the normal relocs for a section.  */
1656
  bool (*slurp_secondary_relocs) (bfd *, asection *, asymbol **, bool);
1657
1658
  /* Called after writing the normal relocs for a section.  */
1659
  bool (*write_secondary_relocs) (bfd *, asection *);
1660
1661
  /* This is non-zero if static TLS segments require a special alignment.  */
1662
  unsigned static_tls_alignment;
1663
1664
  /* Alignment for the PT_GNU_STACK segment.  */
1665
  unsigned stack_align;
1666
1667
  /* Flag bits to assign to a section of type SHT_STRTAB.  */
1668
  unsigned long elf_strtab_flags;
1669
1670
  /* This is TRUE if the linker should act like collect and gather
1671
     global constructors and destructors by name.  This is TRUE for
1672
     MIPS ELF because the Irix 5 tools can not handle the .init
1673
     section.  */
1674
  unsigned collect : 1;
1675
1676
  /* This is TRUE if the linker should ignore changes to the type of a
1677
     symbol.  This is TRUE for MIPS ELF because some Irix 5 objects
1678
     record undefined functions as STT_OBJECT although the definitions
1679
     are STT_FUNC.  */
1680
  unsigned type_change_ok : 1;
1681
1682
  /* Whether the backend may use REL relocations.  (Some backends use
1683
     both REL and RELA relocations, and this flag is set for those
1684
     backends.)  */
1685
  unsigned may_use_rel_p : 1;
1686
1687
  /* Whether the backend may use RELA relocations.  (Some backends use
1688
     both REL and RELA relocations, and this flag is set for those
1689
     backends.)  */
1690
  unsigned may_use_rela_p : 1;
1691
1692
  /* Whether the default relocation type is RELA.  If a backend with
1693
     this flag set wants REL relocations for a particular section,
1694
     it must note that explicitly.  Similarly, if this flag is clear,
1695
     and the backend wants RELA relocations for a particular
1696
     section.  */
1697
  unsigned default_use_rela_p : 1;
1698
1699
  /* True if PLT and copy relocations should be RELA by default.  */
1700
  unsigned rela_plts_and_copies_p : 1;
1701
1702
  /* Set if RELA relocations for a relocatable link can be handled by
1703
     generic code.  Backends that set this flag need do nothing in the
1704
     backend relocate_section routine for relocatable linking.  */
1705
  unsigned rela_normal : 1;
1706
1707
  /* Set if DT_REL/DT_RELA/DT_RELSZ/DT_RELASZ should not include PLT
1708
     relocations.  */
1709
  unsigned dtrel_excludes_plt : 1;
1710
1711
  /* TRUE if addresses "naturally" sign extend.  This is used when
1712
     swapping in from Elf32 when BFD64.  */
1713
  unsigned sign_extend_vma : 1;
1714
1715
  unsigned want_got_plt : 1;
1716
  unsigned plt_readonly : 1;
1717
  unsigned want_plt_sym : 1;
1718
  unsigned plt_not_loaded : 1;
1719
  unsigned plt_alignment : 4;
1720
  unsigned can_gc_sections : 1;
1721
  unsigned can_refcount : 1;
1722
  unsigned want_got_sym : 1;
1723
  unsigned want_dynbss : 1;
1724
  unsigned want_dynrelro : 1;
1725
1726
  /* Targets which do not support physical addressing often require
1727
     that the p_paddr field in the section header to be set to zero.
1728
     This field indicates whether this behavior is required.  */
1729
  unsigned want_p_paddr_set_to_zero : 1;
1730
1731
  /* Target has broken hardware and/or kernel that requires pages not
1732
     to be mapped twice with different permissions.  */
1733
  unsigned no_page_alias : 1;
1734
1735
  /* True if an object file lacking a .note.GNU-stack section
1736
     should be assumed to be requesting exec stack.  At least one
1737
     other file in the link needs to have a .note.GNU-stack section
1738
     for a PT_GNU_STACK segment to be created.  */
1739
  unsigned default_execstack : 1;
1740
1741
  /* True if elf_section_data(sec)->this_hdr.contents is sec->rawsize
1742
     in length rather than sec->size in length, if sec->rawsize is
1743
     non-zero and smaller than sec->size.  */
1744
  unsigned caches_rawsize : 1;
1745
1746
  /* Address of protected data defined in the shared library may be
1747
     external, i.e., due to copy relocation.   */
1748
  unsigned extern_protected_data : 1;
1749
1750
  /* True if `_bfd_elf_link_renumber_dynsyms' must be called even for
1751
     static binaries.  */
1752
  unsigned always_renumber_dynsyms : 1;
1753
1754
  /* True if the 32-bit Linux PRPSINFO structure's `pr_uid' and `pr_gid'
1755
     members use a 16-bit data type.  */
1756
  unsigned linux_prpsinfo32_ugid16 : 1;
1757
1758
  /* True if the 64-bit Linux PRPSINFO structure's `pr_uid' and `pr_gid'
1759
     members use a 16-bit data type.  */
1760
  unsigned linux_prpsinfo64_ugid16 : 1;
1761
};
1762
1763
/* Information about reloc sections associated with a bfd_elf_section_data
1764
   structure.  */
1765
struct bfd_elf_section_reloc_data
1766
{
1767
  /* The ELF header for the reloc section associated with this
1768
     section, if any.  */
1769
  Elf_Internal_Shdr *hdr;
1770
  /* The number of relocations currently assigned to HDR.  */
1771
  unsigned int count;
1772
  /* The ELF section number of the reloc section.  Only used for an
1773
     output file.  */
1774
  int idx;
1775
  /* Used by the backend linker to store the symbol hash table entries
1776
     associated with relocs against global symbols.  */
1777
  struct elf_link_hash_entry **hashes;
1778
};
1779
1780
/* Information stored for each BFD section in an ELF file.  This
1781
   structure is allocated by elf_new_section_hook.  */
1782
1783
struct bfd_elf_section_data
1784
{
1785
  /* The ELF header for this section.  */
1786
  Elf_Internal_Shdr this_hdr;
1787
1788
  /* INPUT_SECTION_FLAGS if specified in the linker script.  */
1789
  struct flag_info *section_flag_info;
1790
1791
  /* Information about the REL and RELA reloc sections associated
1792
     with this section, if any.  */
1793
  struct bfd_elf_section_reloc_data rel, rela;
1794
1795
  /* The ELF section number of this section.  */
1796
  int this_idx;
1797
1798
  /* Used by the backend linker when generating a shared library to
1799
     record the dynamic symbol index for a section symbol
1800
     corresponding to this section.  A value of 0 means that there is
1801
     no dynamic symbol for this section.  */
1802
  int dynindx;
1803
1804
  /* A pointer to the linked-to section for SHF_LINK_ORDER.  */
1805
  asection *linked_to;
1806
1807
  /* A pointer to the swapped relocs.  If the section uses REL relocs,
1808
     rather than RELA, all the r_addend fields will be zero.  This
1809
     pointer may be NULL.  It is used by the backend linker.  */
1810
  Elf_Internal_Rela *relocs;
1811
1812
  /* A pointer to a linked list tracking dynamic relocs copied for
1813
     local symbols.  */
1814
  void *local_dynrel;
1815
1816
  /* A pointer to the bfd section used for dynamic relocs.  */
1817
  asection *sreloc;
1818
1819
  union {
1820
    /* Group name, if this section is a member of a group.  */
1821
    const char *name;
1822
1823
    /* Group signature sym, if this is the SHT_GROUP section.  */
1824
    struct bfd_symbol *id;
1825
  } group;
1826
1827
  /* For a member of a group, points to the SHT_GROUP section.
1828
     NULL for the SHT_GROUP section itself and non-group sections.  */
1829
  asection *sec_group;
1830
1831
  /* A linked list of member sections in the group.  Circular when used by
1832
     the linker.  For the SHT_GROUP section, points at first member.  */
1833
  asection *next_in_group;
1834
1835
  /* The FDEs associated with this section.  The u.fde.next_in_section
1836
     field acts as a chain pointer.  */
1837
  struct eh_cie_fde *fde_list;
1838
1839
  /* Link from a text section to its .eh_frame_entry section.  */
1840
  asection *eh_frame_entry;
1841
1842
  /* TRUE if the section has secondary reloc sections associated with it.
1843
     FIXME: In the future it might be better to change this into a list
1844
     of secondary reloc sections, making lookup easier and faster.  */
1845
  bool has_secondary_relocs;
1846
1847
  /* A pointer used for various section optimizations.  */
1848
  void *sec_info;
1849
};
1850
1851
54.5k
#define elf_section_data(sec) ((struct bfd_elf_section_data*)(sec)->used_by_bfd)
1852
318
#define elf_linked_to_section(sec) (elf_section_data(sec)->linked_to)
1853
5.24k
#define elf_section_type(sec) (elf_section_data(sec)->this_hdr.sh_type)
1854
5.35k
#define elf_section_flags(sec)  (elf_section_data(sec)->this_hdr.sh_flags)
1855
#define elf_section_info(sec) (elf_section_data(sec)->this_hdr.sh_info)
1856
1.25k
#define elf_group_name(sec) (elf_section_data(sec)->group.name)
1857
0
#define elf_group_id(sec) (elf_section_data(sec)->group.id)
1858
22.4k
#define elf_next_in_group(sec)  (elf_section_data(sec)->next_in_group)
1859
0
#define elf_fde_list(sec) (elf_section_data(sec)->fde_list)
1860
366
#define elf_sec_group(sec)  (elf_section_data(sec)->sec_group)
1861
0
#define elf_section_eh_frame_entry(sec) (elf_section_data(sec)->eh_frame_entry)
1862
1863
#define xvec_get_elf_backend_data(xvec) \
1864
1.83M
  ((const struct elf_backend_data *) (xvec)->backend_data)
1865
1866
#define get_elf_backend_data(abfd) \
1867
1.83M
   xvec_get_elf_backend_data ((abfd)->xvec)
1868
1869
/* The least object attributes (within an attributes subsection) known
1870
   for any target.  Some code assumes that the value 0 is not used and
1871
   the field for that attribute can instead be used as a marker to
1872
   indicate that attributes have been initialized.  */
1873
0
#define LEAST_KNOWN_OBJ_ATTRIBUTE 2
1874
1875
/* The maximum number of known object attributes for any target.  */
1876
536
#define NUM_KNOWN_OBJ_ATTRIBUTES 77
1877
1878
/* The value of an object attribute.  The type indicates whether the attribute
1879
   holds and integer, a string, or both.  It can also indicate that there can
1880
   be no default (i.e. all values must be written to file, even zero), or
1881
   that the value is in error and should not be written to file.  */
1882
1883
typedef struct obj_attribute
1884
{
1885
0
#define ATTR_TYPE_FLAG_INT_VAL    (1 << 0)
1886
0
#define ATTR_TYPE_FLAG_STR_VAL    (1 << 1)
1887
0
#define ATTR_TYPE_FLAG_NO_DEFAULT (1 << 2)
1888
0
#define ATTR_TYPE_FLAG_ERROR    (1 << 3)
1889
1890
0
#define ATTR_TYPE_HAS_INT_VAL(TYPE) ((TYPE) & ATTR_TYPE_FLAG_INT_VAL)
1891
0
#define ATTR_TYPE_HAS_STR_VAL(TYPE) ((TYPE) & ATTR_TYPE_FLAG_STR_VAL)
1892
0
#define ATTR_TYPE_HAS_NO_DEFAULT(TYPE)  ((TYPE) & ATTR_TYPE_FLAG_NO_DEFAULT)
1893
0
#define ATTR_TYPE_HAS_ERROR(TYPE) ((TYPE) & ATTR_TYPE_FLAG_ERROR)
1894
1895
  int type;
1896
  unsigned int i;
1897
  char *s;
1898
} obj_attribute;
1899
1900
typedef struct obj_attribute_list
1901
{
1902
  struct obj_attribute_list *next;
1903
  unsigned int tag;
1904
  obj_attribute attr;
1905
} obj_attribute_list;
1906
1907
/* Object attributes may either be defined by the processor ABI, index
1908
   OBJ_ATTR_PROC in the *_obj_attributes arrays, or be GNU-specific
1909
   (and possibly also processor-specific), index OBJ_ATTR_GNU.  */
1910
536
#define OBJ_ATTR_PROC 0
1911
190
#define OBJ_ATTR_GNU 1
1912
0
#define OBJ_ATTR_FIRST OBJ_ATTR_PROC
1913
0
#define OBJ_ATTR_LAST OBJ_ATTR_GNU
1914
1915
/* The following object attribute tags are taken as generic, for all
1916
   targets and for "gnu" where there is no target standard.  */
1917
enum
1918
{
1919
  Tag_NULL = 0,
1920
  Tag_File = 1,
1921
  Tag_Section = 2,
1922
  Tag_Symbol = 3,
1923
  Tag_compatibility = 32
1924
};
1925
1926
/* The following struct stores information about every SystemTap section
1927
   found in the object file.  */
1928
struct sdt_note
1929
{
1930
  struct sdt_note *next;
1931
  bfd_size_type size;
1932
  bfd_byte data[1];
1933
};
1934
1935
/* tdata information grabbed from an elf core file.  */
1936
struct core_elf_obj_tdata
1937
{
1938
  int signal;
1939
  int pid;
1940
  int lwpid;
1941
  char* program;
1942
  char* command;
1943
};
1944
1945
/* Extra tdata information held for output ELF BFDs.  */
1946
struct output_elf_obj_tdata
1947
{
1948
  struct elf_segment_map *seg_map;
1949
  struct elf_strtab_hash *strtab_ptr;
1950
1951
  /* STT_SECTION symbols for each section */
1952
  asymbol **section_syms;
1953
1954
  /* NT_GNU_BUILD_ID note type info.  */
1955
  struct
1956
  {
1957
    bool (*after_write_object_contents) (bfd *);
1958
    const char *style;
1959
    asection *sec;
1960
  } build_id;
1961
1962
  /* FDO_PACKAGING_METADATA note type info.  */
1963
  struct
1964
  {
1965
    bool (*after_write_object_contents) (bfd *);
1966
    const char *json;
1967
    asection *sec;
1968
  } package_metadata;
1969
1970
  /* Records the result of `get_program_header_size'.  */
1971
  bfd_size_type program_header_size;
1972
1973
  /* Used when laying out sections.  */
1974
  file_ptr next_file_pos;
1975
1976
  /* Linker information.  */
1977
  struct bfd_link_info *link_info;
1978
1979
  unsigned int num_section_syms;
1980
  unsigned int shstrtab_section, strtab_section;
1981
1982
  /* Segment flags for the PT_GNU_STACK segment.  */
1983
  unsigned int stack_flags;
1984
1985
  /* Used to determine if PT_GNU_SFRAME segment header should be
1986
     created.  */
1987
  asection *sframe;
1988
1989
  /* Used to determine if the e_flags field has been initialized */
1990
  bool flags_init;
1991
};
1992
1993
/* Indicate if the bfd contains SHF_GNU_MBIND/SHF_GNU_RETAIN sections or
1994
   symbols that have the STT_GNU_IFUNC symbol type or STB_GNU_UNIQUE
1995
   binding.  Used to set the osabi field in the ELF header structure.  */
1996
enum elf_gnu_osabi
1997
{
1998
  elf_gnu_osabi_mbind = 1 << 0,
1999
  elf_gnu_osabi_ifunc = 1 << 1,
2000
  elf_gnu_osabi_unique = 1 << 2,
2001
  elf_gnu_osabi_retain = 1 << 3,
2002
};
2003
2004
typedef struct elf_section_list
2005
{
2006
  Elf_Internal_Shdr      hdr;
2007
  unsigned int         ndx;
2008
  struct elf_section_list *  next;
2009
} elf_section_list;
2010
2011
enum dynamic_lib_link_class {
2012
  DYN_NORMAL = 0,
2013
  DYN_AS_NEEDED = 1,
2014
  DYN_DT_NEEDED = 2,
2015
  DYN_NO_ADD_NEEDED = 4,
2016
  DYN_NO_NEEDED = 8
2017
};
2018
2019
/* Some private data is stashed away for future use using the tdata pointer
2020
   in the bfd structure.  */
2021
2022
struct elf_obj_tdata
2023
{
2024
  Elf_Internal_Ehdr elf_header[1];  /* Actual data, but ref like ptr */
2025
  Elf_Internal_Shdr **elf_sect_ptr;
2026
  Elf_Internal_Phdr *phdr;
2027
  Elf_Internal_Shdr symtab_hdr;
2028
  Elf_Internal_Shdr shstrtab_hdr;
2029
  Elf_Internal_Shdr strtab_hdr;
2030
  Elf_Internal_Shdr dynsymtab_hdr;
2031
  Elf_Internal_Shdr dynstrtab_hdr;
2032
  Elf_Internal_Shdr dynversym_hdr;
2033
  Elf_Internal_Shdr dynverref_hdr;
2034
  Elf_Internal_Shdr dynverdef_hdr;
2035
  Elf_Internal_Sym *dt_symtab;
2036
  bfd_byte *dt_versym;
2037
  bfd_byte *dt_verdef;
2038
  bfd_byte *dt_verneed;
2039
  size_t dt_symtab_count;
2040
  size_t dt_verdef_count;
2041
  size_t dt_verneed_count;
2042
  char *dt_strtab;
2043
  elf_section_list * symtab_shndx_list;
2044
  bfd_vma gp;       /* The gp value */
2045
  unsigned int gp_size;     /* The gp size */
2046
  unsigned int num_elf_sections;  /* elf_sect_ptr size */
2047
  unsigned char *being_created;
2048
2049
  /* A mapping from external symbols to entries in the linker hash
2050
     table, used when linking.  This is indexed by the symbol index
2051
     minus the sh_info field of the symbol table header.  */
2052
  struct elf_link_hash_entry **sym_hashes;
2053
2054
  /* Track usage and final offsets of GOT entries for local symbols.
2055
     This array is indexed by symbol index.  Elements are used
2056
     identically to "got" in struct elf_link_hash_entry.  */
2057
  union
2058
    {
2059
      bfd_signed_vma *refcounts;
2060
      bfd_vma *offsets;
2061
      struct got_entry **ents;
2062
    } local_got;
2063
2064
  /* The linker ELF emulation code needs to let the backend ELF linker
2065
     know what filename should be used for a dynamic object if the
2066
     dynamic object is found using a search.  The emulation code then
2067
     sometimes needs to know what name was actually used.  Until the
2068
     file has been added to the linker symbol table, this field holds
2069
     the name the linker wants.  After it has been added, it holds the
2070
     name actually used, which will be the DT_SONAME entry if there is
2071
     one.  */
2072
  const char *dt_name;
2073
2074
  /* The linker emulation needs to know what audit libs
2075
     are used by a dynamic object.  */
2076
  const char *dt_audit;
2077
2078
  /* Used by find_nearest_line entry point.  */
2079
  void *line_info;
2080
2081
  /* A place to stash dwarf1 info for this bfd.  */
2082
  void *dwarf1_find_line_info;
2083
2084
  /* A place to stash dwarf2 info for this bfd.  */
2085
  void *dwarf2_find_line_info;
2086
2087
  /* Stash away info for yet another find line/function variant.  */
2088
  void *elf_find_function_cache;
2089
2090
  /* Number of symbol version definitions we are about to emit.  */
2091
  unsigned int cverdefs;
2092
2093
  /* Number of symbol version references we are about to emit.  */
2094
  unsigned int cverrefs;
2095
2096
  /* Symbol version definitions in external objects.  */
2097
  Elf_Internal_Verdef *verdef;
2098
2099
  /* Symbol version references to external objects.  */
2100
  Elf_Internal_Verneed *verref;
2101
2102
  /* A pointer to the .eh_frame section.  */
2103
  asection *eh_frame_section;
2104
2105
  /* Symbol buffer.  */
2106
  void *symbuf;
2107
2108
  /* List of GNU properties.  Will be updated by setup_gnu_properties
2109
     after all input GNU properties are merged for output.  */
2110
  elf_property_list *properties;
2111
2112
  obj_attribute known_obj_attributes[2][NUM_KNOWN_OBJ_ATTRIBUTES];
2113
  obj_attribute_list *other_obj_attributes[2];
2114
2115
  /* Linked-list containing information about every Systemtap section
2116
     found in the object file.  Each section corresponds to one entry
2117
     in the list.  */
2118
  struct sdt_note *sdt_note_head;
2119
2120
  Elf_Internal_Shdr **group_sect_ptr;
2121
  unsigned int num_group;
2122
2123
  /* Index into group_sect_ptr, updated by setup_group when finding a
2124
     section's group.  Used to optimize subsequent group searches.  */
2125
  unsigned int group_search_offset;
2126
2127
  unsigned int symtab_section, dynsymtab_section;
2128
  unsigned int dynversym_section, dynverdef_section, dynverref_section;
2129
2130
  /* An identifier used to distinguish different target
2131
     specific extensions to this structure.  */
2132
  ENUM_BITFIELD (elf_target_id) object_id : 6;
2133
2134
  /* Whether a dyanmic object was specified normally on the linker
2135
     command line, or was specified when --as-needed was in effect,
2136
     or was found via a DT_NEEDED entry.  */
2137
  ENUM_BITFIELD (dynamic_lib_link_class) dyn_lib_class : 4;
2138
2139
  /* Whether the bfd uses OS specific bits that require ELFOSABI_GNU.  */
2140
  ENUM_BITFIELD (elf_gnu_osabi) has_gnu_osabi : 4;
2141
2142
  /* Whether if the bfd contains the GNU_PROPERTY_NO_COPY_ON_PROTECTED
2143
     property.  */
2144
  unsigned int has_no_copy_on_protected : 1;
2145
2146
  /* Whether if the bfd contains the
2147
     GNU_PROPERTY_1_NEEDED_INDIRECT_EXTERN_ACCESS property.  */
2148
  unsigned int has_indirect_extern_access : 1;
2149
2150
  /* Irix 5 often screws up the symbol table, sorting local symbols
2151
     after global symbols.  This flag is set if the symbol table in
2152
     this BFD appears to be screwed up.  If it is, we ignore the
2153
     sh_info field in the symbol table header, and always read all the
2154
     symbols.  */
2155
  unsigned int bad_symtab : 1;
2156
2157
  /* Set if DT_FLAGS_1 has DF_1_PIE set.  */
2158
  unsigned int is_pie : 1;
2159
2160
  /* Information grabbed from an elf core file.  */
2161
  struct core_elf_obj_tdata *core;
2162
2163
  /* More information held for output ELF BFDs.  */
2164
  struct output_elf_obj_tdata *o;
2165
};
2166
2167
9.83M
#define elf_tdata(bfd)    ((bfd) -> tdata.elf_obj_data)
2168
2169
431k
#define elf_object_id(bfd)  (elf_tdata(bfd) -> object_id)
2170
0
#define elf_program_header_size(bfd) (elf_tdata(bfd) -> o->program_header_size)
2171
517k
#define elf_elfheader(bfd)  (elf_tdata(bfd) -> elf_header)
2172
180k
#define elf_elfsections(bfd)  (elf_tdata(bfd) -> elf_sect_ptr)
2173
95.6k
#define elf_numsections(bfd)  (elf_tdata(bfd) -> num_elf_sections)
2174
0
#define elf_seg_map(bfd)  (elf_tdata(bfd) -> o->seg_map)
2175
0
#define elf_link_info(bfd)  (elf_tdata(bfd) -> o->link_info)
2176
0
#define elf_next_file_pos(bfd)  (elf_tdata(bfd) -> o->next_file_pos)
2177
0
#define elf_stack_flags(bfd)  (elf_tdata(bfd) -> o->stack_flags)
2178
0
#define elf_sframe(bfd)   (elf_tdata(bfd) -> o->sframe)
2179
0
#define elf_shstrtab(bfd) (elf_tdata(bfd) -> o->strtab_ptr)
2180
2.09k
#define elf_onesymtab(bfd)  (elf_tdata(bfd) -> symtab_section)
2181
1.30k
#define elf_symtab_shndx_list(bfd)  (elf_tdata(bfd) -> symtab_shndx_list)
2182
0
#define elf_strtab_sec(bfd) (elf_tdata(bfd) -> o->strtab_section)
2183
0
#define elf_shstrtab_sec(bfd) (elf_tdata(bfd) -> o->shstrtab_section)
2184
966
#define elf_symtab_hdr(bfd) (elf_tdata(bfd) -> symtab_hdr)
2185
478
#define elf_dynsymtab(bfd)  (elf_tdata(bfd) -> dynsymtab_section)
2186
8
#define elf_dynversym(bfd)  (elf_tdata(bfd) -> dynversym_section)
2187
14
#define elf_dynverdef(bfd)  (elf_tdata(bfd) -> dynverdef_section)
2188
8
#define elf_dynverref(bfd)  (elf_tdata(bfd) -> dynverref_section)
2189
#define elf_eh_frame_section(bfd) \
2190
0
        (elf_tdata(bfd) -> eh_frame_section)
2191
0
#define elf_section_syms(bfd) (elf_tdata(bfd) -> o->section_syms)
2192
0
#define elf_num_section_syms(bfd) (elf_tdata(bfd) -> o->num_section_syms)
2193
#define core_prpsinfo(bfd)  (elf_tdata(bfd) -> prpsinfo)
2194
#define core_prstatus(bfd)  (elf_tdata(bfd) -> prstatus)
2195
0
#define elf_gp(bfd)   (elf_tdata(bfd) -> gp)
2196
8
#define elf_gp_size(bfd)  (elf_tdata(bfd) -> gp_size)
2197
0
#define elf_sym_hashes(bfd) (elf_tdata(bfd) -> sym_hashes)
2198
0
#define elf_local_got_refcounts(bfd) (elf_tdata(bfd) -> local_got.refcounts)
2199
0
#define elf_local_got_offsets(bfd) (elf_tdata(bfd) -> local_got.offsets)
2200
0
#define elf_local_got_ents(bfd) (elf_tdata(bfd) -> local_got.ents)
2201
0
#define elf_dt_name(bfd)  (elf_tdata(bfd) -> dt_name)
2202
0
#define elf_dt_audit(bfd) (elf_tdata(bfd) -> dt_audit)
2203
0
#define elf_dyn_lib_class(bfd)  (elf_tdata(bfd) -> dyn_lib_class)
2204
4.02k
#define elf_bad_symtab(bfd) (elf_tdata(bfd) -> bad_symtab)
2205
0
#define elf_flags_init(bfd) (elf_tdata(bfd) -> o->flags_init)
2206
27.8k
#define elf_use_dt_symtab_p(bfd) (elf_tdata(bfd) -> dt_symtab_count != 0)
2207
726
#define elf_known_obj_attributes(bfd) (elf_tdata (bfd) -> known_obj_attributes)
2208
0
#define elf_other_obj_attributes(bfd) (elf_tdata (bfd) -> other_obj_attributes)
2209
#define elf_known_obj_attributes_proc(bfd) \
2210
0
  (elf_known_obj_attributes (bfd) [OBJ_ATTR_PROC])
2211
#define elf_other_obj_attributes_proc(bfd) \
2212
0
  (elf_other_obj_attributes (bfd) [OBJ_ATTR_PROC])
2213
0
#define elf_properties(bfd) (elf_tdata (bfd) -> properties)
2214
#define elf_has_no_copy_on_protected(bfd) \
2215
0
  (elf_tdata(bfd) -> has_no_copy_on_protected)
2216
#define elf_has_indirect_extern_access(bfd) \
2217
0
  (elf_tdata(bfd) -> has_indirect_extern_access)
2218

2219
extern void _bfd_elf_swap_verdef_in
2220
  (bfd *, const Elf_External_Verdef *, Elf_Internal_Verdef *);
2221
extern void _bfd_elf_swap_verdef_out
2222
  (bfd *, const Elf_Internal_Verdef *, Elf_External_Verdef *);
2223
extern void _bfd_elf_swap_verdaux_in
2224
  (bfd *, const Elf_External_Verdaux *, Elf_Internal_Verdaux *);
2225
extern void _bfd_elf_swap_verdaux_out
2226
  (bfd *, const Elf_Internal_Verdaux *, Elf_External_Verdaux *);
2227
extern void _bfd_elf_swap_verneed_in
2228
  (bfd *, const Elf_External_Verneed *, Elf_Internal_Verneed *);
2229
extern void _bfd_elf_swap_verneed_out
2230
  (bfd *, const Elf_Internal_Verneed *, Elf_External_Verneed *);
2231
extern void _bfd_elf_swap_vernaux_in
2232
  (bfd *, const Elf_External_Vernaux *, Elf_Internal_Vernaux *);
2233
extern void _bfd_elf_swap_vernaux_out
2234
  (bfd *, const Elf_Internal_Vernaux *, Elf_External_Vernaux *);
2235
extern void _bfd_elf_swap_versym_in
2236
  (bfd *, const Elf_External_Versym *, Elf_Internal_Versym *);
2237
extern void _bfd_elf_swap_versym_out
2238
  (bfd *, const Elf_Internal_Versym *, Elf_External_Versym *);
2239
2240
extern unsigned int _bfd_elf_section_from_bfd_section
2241
  (bfd *, asection *);
2242
extern char *bfd_elf_string_from_elf_section
2243
  (bfd *, unsigned, unsigned);
2244
extern Elf_Internal_Sym *bfd_elf_get_elf_syms
2245
  (bfd *, Elf_Internal_Shdr *, size_t, size_t, Elf_Internal_Sym *, void *,
2246
   Elf_External_Sym_Shndx *);
2247
extern char * bfd_elf_get_str_section (bfd *, unsigned int);
2248
extern const char *bfd_elf_sym_name
2249
  (bfd *, Elf_Internal_Shdr *, Elf_Internal_Sym *, asection *);
2250
2251
extern bool _bfd_elf_copy_private_bfd_data
2252
  (bfd *, bfd *);
2253
extern bool _bfd_elf_print_private_bfd_data
2254
  (bfd *, void *);
2255
const char * _bfd_elf_get_symbol_version_string
2256
  (bfd *, asymbol *, bool, bool *);
2257
extern void bfd_elf_print_symbol
2258
  (bfd *, void *, asymbol *, bfd_print_symbol_type);
2259
2260
extern unsigned int _bfd_elf_eh_frame_address_size
2261
  (bfd *, const asection *);
2262
extern bfd_byte _bfd_elf_encode_eh_address
2263
  (bfd *abfd, struct bfd_link_info *info, asection *osec, bfd_vma offset,
2264
   asection *loc_sec, bfd_vma loc_offset, bfd_vma *encoded);
2265
extern bool _bfd_elf_can_make_relative
2266
  (bfd *input_bfd, struct bfd_link_info *info, asection *eh_frame_section);
2267
2268
extern enum elf_reloc_type_class _bfd_elf_reloc_type_class
2269
  (const struct bfd_link_info *, const asection *,
2270
   const Elf_Internal_Rela *);
2271
extern bfd_vma _bfd_elf_rela_local_sym
2272
  (bfd *, Elf_Internal_Sym *, asection **, Elf_Internal_Rela *);
2273
extern bfd_vma _bfd_elf_rel_local_sym
2274
  (bfd *, Elf_Internal_Sym *, asection **, bfd_vma);
2275
extern bfd_vma _bfd_elf_section_offset
2276
  (bfd *, struct bfd_link_info *, asection *, bfd_vma);
2277
2278
extern unsigned long bfd_elf_hash
2279
  (const char *);
2280
extern unsigned long bfd_elf_gnu_hash
2281
  (const char *);
2282
2283
extern bfd_reloc_status_type bfd_elf_generic_reloc
2284
  (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
2285
extern bool bfd_elf_allocate_object
2286
  (bfd *, size_t, enum elf_target_id);
2287
extern bool bfd_elf_make_object
2288
  (bfd *);
2289
extern bool bfd_elf_mkcorefile
2290
  (bfd *);
2291
extern bool _bfd_elf_make_section_from_shdr
2292
  (bfd *, Elf_Internal_Shdr *, const char *, int);
2293
extern bool _bfd_elf_make_section_from_phdr
2294
  (bfd *, Elf_Internal_Phdr *, int, const char *);
2295
extern struct bfd_hash_entry *_bfd_elf_link_hash_newfunc
2296
  (struct bfd_hash_entry *, struct bfd_hash_table *, const char *);
2297
extern struct bfd_link_hash_table *_bfd_elf_link_hash_table_create
2298
  (bfd *);
2299
extern void _bfd_elf_link_hash_table_free
2300
  (bfd *);
2301
extern void _bfd_elf_link_hash_copy_indirect
2302
  (struct bfd_link_info *, struct elf_link_hash_entry *,
2303
   struct elf_link_hash_entry *);
2304
extern void _bfd_elf_link_hash_hide_symbol
2305
  (struct bfd_link_info *, struct elf_link_hash_entry *, bool);
2306
extern void _bfd_elf_link_hide_symbol
2307
  (bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *);
2308
extern bool _bfd_elf_link_hash_fixup_symbol
2309
  (struct bfd_link_info *, struct elf_link_hash_entry *);
2310
extern bool _bfd_elf_link_hash_table_init
2311
  (struct elf_link_hash_table *, bfd *,
2312
   struct bfd_hash_entry *(*)
2313
     (struct bfd_hash_entry *, struct bfd_hash_table *, const char *),
2314
   unsigned int, enum elf_target_id);
2315
extern bool _bfd_elf_slurp_version_tables
2316
  (bfd *, bool);
2317
extern bool _bfd_elf_merge_sections
2318
  (bfd *, struct bfd_link_info *);
2319
extern bool _bfd_elf_match_sections_by_type
2320
  (bfd *, const asection *, bfd *, const asection *);
2321
extern bool bfd_elf_is_group_section
2322
  (bfd *, const struct bfd_section *);
2323
extern const char *bfd_elf_group_name
2324
  (bfd *, const struct bfd_section *);
2325
extern bool _bfd_elf_section_already_linked
2326
  (bfd *, asection *, struct bfd_link_info *);
2327
extern void bfd_elf_set_group_contents
2328
  (bfd *, asection *, void *);
2329
extern unsigned int _bfd_elf_filter_global_symbols
2330
  (bfd *, struct bfd_link_info *, asymbol **, long);
2331
extern asection *_bfd_elf_check_kept_section
2332
  (asection *, struct bfd_link_info *);
2333
0
#define _bfd_elf_link_just_syms _bfd_generic_link_just_syms
2334
extern void _bfd_elf_copy_link_hash_symbol_type
2335
  (bfd *, struct bfd_link_hash_entry *, struct bfd_link_hash_entry *);
2336
extern bool _bfd_elf_size_group_sections
2337
  (struct bfd_link_info *);
2338
extern bool _bfd_elf_fixup_group_sections
2339
(bfd *, asection *);
2340
extern bool _bfd_elf_copy_private_header_data
2341
  (bfd *, bfd *);
2342
extern bool _bfd_elf_copy_private_symbol_data
2343
  (bfd *, asymbol *, bfd *, asymbol *);
2344
#define _bfd_generic_init_private_section_data \
2345
  _bfd_elf_init_private_section_data
2346
extern bool _bfd_elf_init_private_section_data
2347
  (bfd *, asection *, bfd *, asection *, struct bfd_link_info *);
2348
extern bool _bfd_elf_copy_private_section_data
2349
  (bfd *, asection *, bfd *, asection *);
2350
extern bool _bfd_elf_write_object_contents
2351
  (bfd *);
2352
extern bool _bfd_elf_write_corefile_contents
2353
  (bfd *);
2354
extern bool _bfd_elf_set_section_contents
2355
  (bfd *, sec_ptr, const void *, file_ptr, bfd_size_type);
2356
extern long _bfd_elf_get_symtab_upper_bound
2357
  (bfd *);
2358
extern long _bfd_elf_canonicalize_symtab
2359
  (bfd *, asymbol **);
2360
extern long _bfd_elf_get_dynamic_symtab_upper_bound
2361
  (bfd *);
2362
extern long _bfd_elf_canonicalize_dynamic_symtab
2363
  (bfd *, asymbol **);
2364
extern long _bfd_elf_get_synthetic_symtab
2365
  (bfd *, long, asymbol **, long, asymbol **, asymbol **);
2366
extern long _bfd_elf_get_reloc_upper_bound
2367
  (bfd *, sec_ptr);
2368
extern long _bfd_elf_canonicalize_reloc
2369
  (bfd *, sec_ptr, arelent **, asymbol **);
2370
extern asection * _bfd_elf_get_dynamic_reloc_section
2371
  (bfd *, asection *, bool);
2372
extern asection * _bfd_elf_make_dynamic_reloc_section
2373
  (asection *, bfd *, unsigned int, bfd *, bool);
2374
extern long _bfd_elf_get_dynamic_reloc_upper_bound
2375
  (bfd *);
2376
extern long _bfd_elf_canonicalize_dynamic_reloc
2377
  (bfd *, arelent **, asymbol **);
2378
extern asymbol *_bfd_elf_make_empty_symbol
2379
  (bfd *);
2380
extern void _bfd_elf_get_symbol_info
2381
  (bfd *, asymbol *, symbol_info *);
2382
extern bool _bfd_elf_is_local_label_name
2383
  (bfd *, const char *);
2384
extern alent *_bfd_elf_get_lineno
2385
  (bfd *, asymbol *);
2386
extern bool _bfd_elf_set_arch_mach
2387
  (bfd *, enum bfd_architecture, unsigned long);
2388
extern bool _bfd_elf_find_nearest_line
2389
  (bfd *, asymbol **, asection *, bfd_vma,
2390
   const char **, const char **, unsigned int *, unsigned int *);
2391
extern bool _bfd_elf_find_nearest_line_with_alt
2392
  (bfd *, const char *, asymbol **, asection *, bfd_vma,
2393
   const char **, const char **, unsigned int *, unsigned int *);
2394
extern bool _bfd_elf_find_line
2395
  (bfd *, asymbol **, asymbol *, const char **, unsigned int *);
2396
extern bool _bfd_elf_find_inliner_info
2397
  (bfd *, const char **, const char **, unsigned int *);
2398
extern asymbol *_bfd_elf_find_function
2399
  (bfd *, asymbol **, asection *, bfd_vma, const char **, const char **);
2400
#define _bfd_elf_read_minisymbols _bfd_generic_read_minisymbols
2401
#define _bfd_elf_minisymbol_to_symbol _bfd_generic_minisymbol_to_symbol
2402
extern int _bfd_elf_sizeof_headers
2403
  (bfd *, struct bfd_link_info *);
2404
extern bool _bfd_elf_new_section_hook
2405
  (bfd *, asection *);
2406
extern const struct bfd_elf_special_section *_bfd_elf_get_special_section
2407
  (const char *, const struct bfd_elf_special_section *, unsigned int);
2408
extern const struct bfd_elf_special_section *_bfd_elf_get_sec_type_attr
2409
  (bfd *, asection *);
2410
2411
extern bool _bfd_elf_link_hide_sym_by_version
2412
  (struct bfd_link_info *, struct elf_link_hash_entry *);
2413
2414
/* If the target doesn't have reloc handling written yet:  */
2415
extern bool _bfd_elf_no_info_to_howto
2416
  (bfd *, arelent *, Elf_Internal_Rela *);
2417
2418
extern bool bfd_section_from_shdr
2419
  (bfd *, unsigned int shindex);
2420
extern bool bfd_section_from_phdr
2421
  (bfd *, Elf_Internal_Phdr *, int);
2422
2423
extern int _bfd_elf_symbol_from_bfd_symbol
2424
  (bfd *, asymbol **);
2425
2426
extern Elf_Internal_Sym *bfd_sym_from_r_symndx
2427
  (struct sym_cache *, bfd *, unsigned long);
2428
extern asection *bfd_section_from_elf_index
2429
  (bfd *, unsigned int);
2430
2431
extern struct elf_strtab_hash * _bfd_elf_strtab_init
2432
  (void);
2433
extern void _bfd_elf_strtab_free
2434
  (struct elf_strtab_hash *);
2435
extern size_t _bfd_elf_strtab_add
2436
  (struct elf_strtab_hash *, const char *, bool);
2437
extern void _bfd_elf_strtab_addref
2438
  (struct elf_strtab_hash *, size_t);
2439
extern void _bfd_elf_strtab_delref
2440
  (struct elf_strtab_hash *, size_t);
2441
extern unsigned int _bfd_elf_strtab_refcount
2442
  (struct elf_strtab_hash *, size_t);
2443
extern void _bfd_elf_strtab_clear_all_refs
2444
  (struct elf_strtab_hash *);
2445
extern void *_bfd_elf_strtab_save
2446
  (struct elf_strtab_hash *);
2447
extern void _bfd_elf_strtab_restore
2448
  (struct elf_strtab_hash *, void *);
2449
extern bfd_size_type _bfd_elf_strtab_size
2450
  (struct elf_strtab_hash *);
2451
extern bfd_size_type _bfd_elf_strtab_len
2452
  (struct elf_strtab_hash *);
2453
extern bfd_size_type _bfd_elf_strtab_offset
2454
  (struct elf_strtab_hash *, size_t);
2455
extern const char * _bfd_elf_strtab_str
2456
  (struct elf_strtab_hash *, size_t idx, bfd_size_type *offset);
2457
extern bool _bfd_elf_strtab_emit
2458
  (bfd *, struct elf_strtab_hash *);
2459
extern void _bfd_elf_strtab_finalize
2460
  (struct elf_strtab_hash *);
2461
2462
extern bool bfd_elf_parse_eh_frame_entries
2463
  (bfd *, struct bfd_link_info *);
2464
extern bool _bfd_elf_parse_eh_frame_entry
2465
  (struct bfd_link_info *, asection *, struct elf_reloc_cookie *);
2466
extern void _bfd_elf_parse_eh_frame
2467
  (bfd *, struct bfd_link_info *, asection *, struct elf_reloc_cookie *);
2468
extern bool _bfd_elf_end_eh_frame_parsing
2469
  (struct bfd_link_info *info);
2470
2471
extern bool _bfd_elf_discard_section_eh_frame
2472
  (bfd *, struct bfd_link_info *, asection *,
2473
   bool (*) (bfd_vma, void *), struct elf_reloc_cookie *);
2474
extern bool _bfd_elf_adjust_eh_frame_global_symbol
2475
  (struct elf_link_hash_entry *, void *);
2476
extern bool _bfd_elf_discard_section_eh_frame_hdr
2477
  (struct bfd_link_info *);
2478
extern bfd_vma _bfd_elf_eh_frame_section_offset
2479
  (bfd *, struct bfd_link_info *, asection *, bfd_vma);
2480
extern bool _bfd_elf_write_section_eh_frame
2481
  (bfd *, struct bfd_link_info *, asection *, bfd_byte *);
2482
bool _bfd_elf_write_section_eh_frame_entry
2483
  (bfd *, struct bfd_link_info *, asection *, bfd_byte *);
2484
extern bool _bfd_elf_fixup_eh_frame_hdr (struct bfd_link_info *);
2485
extern bool _bfd_elf_write_section_eh_frame_hdr
2486
  (bfd *, struct bfd_link_info *);
2487
extern bool _bfd_elf_eh_frame_present
2488
  (struct bfd_link_info *);
2489
extern bool _bfd_elf_eh_frame_entry_present
2490
  (struct bfd_link_info *);
2491
extern bool _bfd_elf_maybe_strip_eh_frame_hdr
2492
  (struct bfd_link_info *);
2493
2494
extern bool _bfd_elf_sframe_present
2495
  (struct bfd_link_info *);
2496
extern bool _bfd_elf_parse_sframe
2497
  (bfd *, struct bfd_link_info *, asection *, struct elf_reloc_cookie *);
2498
extern bool _bfd_elf_discard_section_sframe
2499
  (asection *, bool (*) (bfd_vma, void *), struct elf_reloc_cookie *);
2500
extern bool _bfd_elf_merge_section_sframe
2501
  (bfd *, struct bfd_link_info *, asection *, bfd_byte *);
2502
extern bool _bfd_elf_write_section_sframe
2503
  (bfd *, struct bfd_link_info *);
2504
extern bool _bfd_elf_set_section_sframe (bfd *, struct bfd_link_info *);
2505
2506
extern bool _bfd_elf_hash_symbol (struct elf_link_hash_entry *);
2507
2508
extern long _bfd_elf_link_lookup_local_dynindx
2509
  (struct bfd_link_info *, bfd *, long);
2510
extern bool _bfd_elf_compute_section_file_positions
2511
  (bfd *, struct bfd_link_info *);
2512
extern file_ptr _bfd_elf_assign_file_position_for_section
2513
  (Elf_Internal_Shdr *, file_ptr, bool);
2514
extern bool _bfd_elf_modify_headers
2515
  (bfd *, struct bfd_link_info *);
2516
2517
extern bool _bfd_elf_validate_reloc
2518
  (bfd *, arelent *);
2519
2520
extern bool bfd_elf_record_link_assignment
2521
  (bfd *, struct bfd_link_info *, const char *, bool,
2522
   bool);
2523
extern bool bfd_elf_stack_segment_size (bfd *, struct bfd_link_info *,
2524
          const char *, bfd_vma);
2525
extern bool bfd_elf_size_dynamic_sections
2526
  (bfd *, const char *, const char *, const char *, const char *, const char *,
2527
   const char * const *, struct bfd_link_info *, struct bfd_section **);
2528
extern bool bfd_elf_size_dynsym_hash_dynstr
2529
  (bfd *, struct bfd_link_info *);
2530
extern bool bfd_elf_get_bfd_needed_list
2531
  (bfd *, struct bfd_link_needed_list **);
2532
extern struct bfd_link_needed_list *bfd_elf_get_needed_list
2533
  (bfd *, struct bfd_link_info *);
2534
extern void bfd_elf_set_dt_needed_name
2535
  (bfd *, const char *);
2536
extern const char *bfd_elf_get_dt_soname
2537
  (bfd *);
2538
extern void bfd_elf_set_dyn_lib_class
2539
  (bfd *, enum dynamic_lib_link_class);
2540
extern int bfd_elf_get_dyn_lib_class
2541
  (bfd *);
2542
extern struct bfd_link_needed_list *bfd_elf_get_runpath_list
2543
  (bfd *, struct bfd_link_info *);
2544
extern int bfd_elf_discard_info
2545
  (bfd *, struct bfd_link_info *);
2546
extern unsigned int _bfd_elf_default_action_discarded
2547
  (struct bfd_section *);
2548
extern struct bfd_section *_bfd_elf_tls_setup
2549
  (bfd *, struct bfd_link_info *);
2550
2551
extern bool _bfd_elf_link_create_dynamic_sections
2552
  (bfd *, struct bfd_link_info *);
2553
extern bool _bfd_elf_omit_section_dynsym_default
2554
  (bfd *, struct bfd_link_info *, asection *);
2555
extern bool _bfd_elf_omit_section_dynsym_all
2556
  (bfd *, struct bfd_link_info *, asection *);
2557
extern bool _bfd_elf_create_dynamic_sections
2558
  (bfd *, struct bfd_link_info *);
2559
extern bool _bfd_elf_create_got_section
2560
  (bfd *, struct bfd_link_info *);
2561
extern asection *_bfd_elf_section_for_symbol
2562
  (struct elf_reloc_cookie *, unsigned long, bool);
2563
extern struct elf_link_hash_entry *_bfd_elf_define_linkage_sym
2564
  (bfd *, struct bfd_link_info *, asection *, const char *);
2565
extern void _bfd_elf_init_1_index_section
2566
  (bfd *, struct bfd_link_info *);
2567
extern void _bfd_elf_init_2_index_sections
2568
  (bfd *, struct bfd_link_info *);
2569
2570
extern bool _bfd_elfcore_make_pseudosection
2571
  (bfd *, char *, size_t, ufile_ptr);
2572
extern char *_bfd_elfcore_strndup
2573
  (bfd *, char *, size_t);
2574
2575
extern Elf_Internal_Rela *_bfd_elf_link_read_relocs
2576
  (bfd *, asection *, void *, Elf_Internal_Rela *, bool);
2577
extern Elf_Internal_Rela *_bfd_elf_link_info_read_relocs
2578
  (bfd *, struct bfd_link_info *, asection *, void *, Elf_Internal_Rela *,
2579
   bool);
2580
2581
extern bool _bfd_elf_link_output_relocs
2582
  (bfd *, asection *, Elf_Internal_Shdr *, Elf_Internal_Rela *,
2583
   struct elf_link_hash_entry **);
2584
2585
extern bool _bfd_elf_adjust_dynamic_copy
2586
  (struct bfd_link_info *, struct elf_link_hash_entry *, asection *);
2587
2588
extern bool _bfd_elf_dynamic_symbol_p
2589
  (struct elf_link_hash_entry *, struct bfd_link_info *, bool);
2590
2591
extern bool _bfd_elf_symbol_refs_local_p
2592
  (struct elf_link_hash_entry *, struct bfd_link_info *, bool);
2593
2594
extern bfd_reloc_status_type bfd_elf_perform_complex_relocation
2595
  (bfd *, asection *, bfd_byte *, Elf_Internal_Rela *, bfd_vma);
2596
2597
extern bool _bfd_elf_setup_sections
2598
  (bfd *);
2599
2600
extern bool _bfd_elf_get_dynamic_symbols
2601
  (bfd *, Elf_Internal_Phdr *, Elf_Internal_Phdr *, size_t,
2602
   bfd_size_type);
2603
extern asection *_bfd_elf_get_section_from_dynamic_symbol
2604
  (bfd *, Elf_Internal_Sym *);
2605
2606
extern struct bfd_link_hash_entry *bfd_elf_define_start_stop
2607
  (struct bfd_link_info *, const char *, asection *);
2608
2609
extern bool _bfd_elf_init_file_header (bfd *, struct bfd_link_info *);
2610
2611
extern bool _bfd_elf_final_write_processing (bfd *);
2612
2613
extern bfd_cleanup bfd_elf32_object_p
2614
  (bfd *);
2615
extern bfd_cleanup bfd_elf32_core_file_p
2616
  (bfd *);
2617
extern char *bfd_elf32_core_file_failing_command
2618
  (bfd *);
2619
extern int bfd_elf32_core_file_failing_signal
2620
  (bfd *);
2621
extern bool bfd_elf32_core_file_matches_executable_p
2622
  (bfd *, bfd *);
2623
extern int bfd_elf32_core_file_pid
2624
  (bfd *);
2625
extern bool _bfd_elf32_core_find_build_id
2626
  (bfd *, bfd_vma);
2627
2628
extern bool bfd_elf32_swap_symbol_in
2629
  (bfd *, const void *, const void *, Elf_Internal_Sym *);
2630
extern void bfd_elf32_swap_symbol_out
2631
  (bfd *, const Elf_Internal_Sym *, void *, void *);
2632
extern void bfd_elf32_swap_reloc_in
2633
  (bfd *, const bfd_byte *, Elf_Internal_Rela *);
2634
extern void bfd_elf32_swap_reloc_out
2635
  (bfd *, const Elf_Internal_Rela *, bfd_byte *);
2636
extern void bfd_elf32_swap_reloca_in
2637
  (bfd *, const bfd_byte *, Elf_Internal_Rela *);
2638
extern void bfd_elf32_swap_reloca_out
2639
  (bfd *, const Elf_Internal_Rela *, bfd_byte *);
2640
extern void bfd_elf32_swap_phdr_in
2641
  (bfd *, const Elf32_External_Phdr *, Elf_Internal_Phdr *);
2642
extern void bfd_elf32_swap_phdr_out
2643
  (bfd *, const Elf_Internal_Phdr *, Elf32_External_Phdr *);
2644
extern void bfd_elf32_swap_dyn_in
2645
  (bfd *, const void *, Elf_Internal_Dyn *);
2646
extern void bfd_elf32_swap_dyn_out
2647
  (bfd *, const Elf_Internal_Dyn *, void *);
2648
extern long bfd_elf32_slurp_symbol_table
2649
  (bfd *, asymbol **, bool);
2650
extern bool bfd_elf32_write_shdrs_and_ehdr
2651
  (bfd *);
2652
extern int bfd_elf32_write_out_phdrs
2653
  (bfd *, const Elf_Internal_Phdr *, unsigned int);
2654
extern bool bfd_elf32_checksum_contents
2655
  (bfd * , void (*) (const void *, size_t, void *), void *);
2656
extern void bfd_elf32_write_relocs
2657
  (bfd *, asection *, void *);
2658
extern bool bfd_elf32_slurp_reloc_table
2659
  (bfd *, asection *, asymbol **, bool);
2660
2661
extern bfd_cleanup bfd_elf64_object_p
2662
  (bfd *);
2663
extern bfd_cleanup bfd_elf64_core_file_p
2664
  (bfd *);
2665
extern char *bfd_elf64_core_file_failing_command
2666
  (bfd *);
2667
extern int bfd_elf64_core_file_failing_signal
2668
  (bfd *);
2669
extern bool bfd_elf64_core_file_matches_executable_p
2670
  (bfd *, bfd *);
2671
extern int bfd_elf64_core_file_pid
2672
  (bfd *);
2673
extern bool _bfd_elf64_core_find_build_id
2674
  (bfd *, bfd_vma);
2675
2676
extern bool bfd_elf64_swap_symbol_in
2677
  (bfd *, const void *, const void *, Elf_Internal_Sym *);
2678
extern void bfd_elf64_swap_symbol_out
2679
  (bfd *, const Elf_Internal_Sym *, void *, void *);
2680
extern void bfd_elf64_swap_reloc_in
2681
  (bfd *, const bfd_byte *, Elf_Internal_Rela *);
2682
extern void bfd_elf64_swap_reloc_out
2683
  (bfd *, const Elf_Internal_Rela *, bfd_byte *);
2684
extern void bfd_elf64_swap_reloca_in
2685
  (bfd *, const bfd_byte *, Elf_Internal_Rela *);
2686
extern void bfd_elf64_swap_reloca_out
2687
  (bfd *, const Elf_Internal_Rela *, bfd_byte *);
2688
extern void bfd_elf64_swap_phdr_in
2689
  (bfd *, const Elf64_External_Phdr *, Elf_Internal_Phdr *);
2690
extern void bfd_elf64_swap_phdr_out
2691
  (bfd *, const Elf_Internal_Phdr *, Elf64_External_Phdr *);
2692
extern void bfd_elf64_swap_dyn_in
2693
  (bfd *, const void *, Elf_Internal_Dyn *);
2694
extern void bfd_elf64_swap_dyn_out
2695
  (bfd *, const Elf_Internal_Dyn *, void *);
2696
extern long bfd_elf64_slurp_symbol_table
2697
  (bfd *, asymbol **, bool);
2698
extern bool bfd_elf64_write_shdrs_and_ehdr
2699
  (bfd *);
2700
extern int bfd_elf64_write_out_phdrs
2701
  (bfd *, const Elf_Internal_Phdr *, unsigned int);
2702
extern bool bfd_elf64_checksum_contents
2703
  (bfd * , void (*) (const void *, size_t, void *), void *);
2704
extern void bfd_elf64_write_relocs
2705
  (bfd *, asection *, void *);
2706
extern bool bfd_elf64_slurp_reloc_table
2707
  (bfd *, asection *, asymbol **, bool);
2708
2709
extern bool _bfd_elf_default_relocs_compatible
2710
  (const bfd_target *, const bfd_target *);
2711
2712
extern bool _bfd_elf_relocs_compatible
2713
  (const bfd_target *, const bfd_target *);
2714
extern bool _bfd_elf_notice_as_needed
2715
  (bfd *, struct bfd_link_info *, enum notice_asneeded_action);
2716
2717
extern struct bfd_link_hash_entry *_bfd_elf_archive_symbol_lookup
2718
  (bfd *, struct bfd_link_info *, const char *);
2719
extern bool bfd_elf_link_add_symbols
2720
  (bfd *, struct bfd_link_info *);
2721
extern bool _bfd_elf_add_dynamic_entry
2722
  (struct bfd_link_info *, bfd_vma, bfd_vma);
2723
extern bool _bfd_elf_strip_zero_sized_dynamic_sections
2724
  (struct bfd_link_info *);
2725
extern int bfd_elf_add_dt_needed_tag
2726
  (bfd *, struct bfd_link_info *);
2727
extern bool _bfd_elf_link_check_relocs
2728
  (bfd *, struct bfd_link_info *);
2729
extern bool _bfd_elf_link_iterate_on_relocs
2730
 (bfd *, struct bfd_link_info *,
2731
  bool (*) (bfd *, struct bfd_link_info *, asection *,
2732
      const Elf_Internal_Rela *));
2733
2734
extern bool bfd_elf_link_record_dynamic_symbol
2735
  (struct bfd_link_info *, struct elf_link_hash_entry *);
2736
2737
extern int bfd_elf_link_record_local_dynamic_symbol
2738
  (struct bfd_link_info *, bfd *, long);
2739
2740
extern bool _bfd_elf_free_cached_info
2741
  (bfd *);
2742
2743
extern bool _bfd_elf_common_definition
2744
  (Elf_Internal_Sym *);
2745
2746
extern unsigned int _bfd_elf_common_section_index
2747
  (asection *);
2748
2749
extern asection *_bfd_elf_common_section
2750
  (asection *);
2751
2752
extern bfd_vma _bfd_elf_default_got_elt_size
2753
(bfd *, struct bfd_link_info *, struct elf_link_hash_entry *, bfd *,
2754
 unsigned long);
2755
2756
extern bfd_reloc_status_type _bfd_elf_rel_vtable_reloc_fn
2757
  (bfd *, arelent *, struct bfd_symbol *, void *,
2758
   asection *, bfd *, char **);
2759
2760
extern bool bfd_elf_final_link
2761
  (bfd *, struct bfd_link_info *);
2762
2763
extern void _bfd_elf_gc_keep
2764
  (struct bfd_link_info *info);
2765
2766
extern bool bfd_elf_gc_mark_dynamic_ref_symbol
2767
  (struct elf_link_hash_entry *h, void *inf);
2768
2769
extern bool bfd_elf_gc_sections
2770
  (bfd *, struct bfd_link_info *);
2771
2772
extern bool bfd_elf_gc_record_vtinherit
2773
  (bfd *, asection *, struct elf_link_hash_entry *, bfd_vma);
2774
2775
extern bool bfd_elf_gc_record_vtentry
2776
  (bfd *, asection *, struct elf_link_hash_entry *, bfd_vma);
2777
2778
extern asection *_bfd_elf_gc_mark_hook
2779
  (asection *, struct bfd_link_info *, Elf_Internal_Rela *,
2780
   struct elf_link_hash_entry *, Elf_Internal_Sym *);
2781
2782
extern asection *_bfd_elf_gc_mark_rsec
2783
  (struct bfd_link_info *, asection *, elf_gc_mark_hook_fn,
2784
   struct elf_reloc_cookie *, bool *);
2785
2786
extern bool _bfd_elf_gc_mark_reloc
2787
  (struct bfd_link_info *, asection *, elf_gc_mark_hook_fn,
2788
   struct elf_reloc_cookie *);
2789
2790
extern bool _bfd_elf_gc_mark_fdes
2791
  (struct bfd_link_info *, asection *, asection *, elf_gc_mark_hook_fn,
2792
   struct elf_reloc_cookie *);
2793
2794
extern bool _bfd_elf_gc_mark
2795
  (struct bfd_link_info *, asection *, elf_gc_mark_hook_fn);
2796
2797
extern bool _bfd_elf_gc_mark_extra_sections
2798
  (struct bfd_link_info *, elf_gc_mark_hook_fn);
2799
2800
extern bool bfd_elf_gc_common_finalize_got_offsets
2801
  (bfd *, struct bfd_link_info *);
2802
2803
extern bool bfd_elf_gc_common_final_link
2804
  (bfd *, struct bfd_link_info *);
2805
2806
extern bool bfd_elf_reloc_symbol_deleted_p
2807
  (bfd_vma, void *);
2808
2809
extern struct elf_segment_map * _bfd_elf_make_dynamic_segment
2810
  (bfd *, asection *);
2811
2812
extern bool _bfd_elf_map_sections_to_segments
2813
  (bfd *, struct bfd_link_info *, bool *);
2814
2815
extern bool _bfd_elf_is_function_type (unsigned int);
2816
2817
extern bfd_size_type _bfd_elf_maybe_function_sym (const asymbol *, asection *,
2818
              bfd_vma *);
2819
2820
extern asection *_bfd_elf_plt_get_reloc_section (bfd *, const char *);
2821
2822
extern int bfd_elf_get_default_section_type (flagword);
2823
2824
extern bool bfd_elf_lookup_section_flags
2825
  (struct bfd_link_info *, struct flag_info *, asection *);
2826
2827
extern Elf_Internal_Phdr * _bfd_elf_find_segment_containing_section
2828
  (bfd * abfd, asection * section);
2829
2830
/* PowerPC @tls opcode transform/validate.  */
2831
extern unsigned int _bfd_elf_ppc_at_tls_transform
2832
  (unsigned int, unsigned int);
2833
/* PowerPC @tprel opcode transform/validate.  */
2834
extern unsigned int _bfd_elf_ppc_at_tprel_transform
2835
  (unsigned int, unsigned int);
2836
/* PowerPC elf_object_p tweak.  */
2837
extern bool _bfd_elf_ppc_set_arch (bfd *);
2838
/* PowerPC .gnu.attributes handling common to both 32-bit and 64-bit.  */
2839
extern bool _bfd_elf_ppc_merge_fp_attributes
2840
  (bfd *, struct bfd_link_info *);
2841
2842
/* Return an upper bound on the number of bytes required to store a
2843
   copy of ABFD's program header table entries.  Return -1 if an error
2844
   occurs; bfd_get_error will return an appropriate code.  */
2845
extern long bfd_get_elf_phdr_upper_bound
2846
  (bfd *abfd);
2847
2848
/* Copy ABFD's program header table entries to *PHDRS.  The entries
2849
   will be stored as an array of Elf_Internal_Phdr structures, as
2850
   defined in include/elf/internal.h.  To find out how large the
2851
   buffer needs to be, call bfd_get_elf_phdr_upper_bound.
2852
2853
   Return the number of program header table entries read, or -1 if an
2854
   error occurs; bfd_get_error will return an appropriate code.  */
2855
extern int bfd_get_elf_phdrs
2856
  (bfd *abfd, void *phdrs);
2857
2858
/* Exported interface for writing elf corefile notes.  */
2859
extern char *elfcore_write_note
2860
  (bfd *, char *, int *, const char *, int, const void *, int);
2861
extern char *elfcore_write_prpsinfo
2862
  (bfd *, char *, int *, const char *, const char *);
2863
extern char *elfcore_write_prstatus
2864
  (bfd *, char *, int *, long, int, const void *);
2865
extern char * elfcore_write_pstatus
2866
  (bfd *, char *, int *, long, int, const void *);
2867
extern char *elfcore_write_prfpreg
2868
  (bfd *, char *, int *, const void *, int);
2869
extern char *elfcore_write_prxfpreg
2870
  (bfd *, char *, int *, const void *, int);
2871
extern char *elfcore_write_xstatereg
2872
  (bfd *, char *, int *, const void *, int);
2873
extern char *elfcore_write_x86_segbases
2874
  (bfd *, char *, int *, const void *, int);
2875
extern char *elfcore_write_ppc_vmx
2876
  (bfd *, char *, int *, const void *, int);
2877
extern char *elfcore_write_ppc_vsx
2878
  (bfd *, char *, int *, const void *, int);
2879
extern char *elfcore_write_ppc_tar
2880
  (bfd *, char *, int *, const void *, int);
2881
extern char *elfcore_write_ppc_ppr
2882
  (bfd *, char *, int *, const void *, int);
2883
extern char *elfcore_write_ppc_dscr
2884
  (bfd *, char *, int *, const void *, int);
2885
extern char *elfcore_write_ppc_ebb
2886
  (bfd *, char *, int *, const void *, int);
2887
extern char *elfcore_write_ppc_pmu
2888
  (bfd *, char *, int *, const void *, int);
2889
extern char *elfcore_write_ppc_tm_cgpr
2890
  (bfd *, char *, int *, const void *, int);
2891
extern char *elfcore_write_ppc_tm_cfpr
2892
  (bfd *, char *, int *, const void *, int);
2893
extern char *elfcore_write_ppc_tm_cvmx
2894
  (bfd *, char *, int *, const void *, int);
2895
extern char *elfcore_write_ppc_tm_cvsx
2896
  (bfd *, char *, int *, const void *, int);
2897
extern char *elfcore_write_ppc_tm_spr
2898
  (bfd *, char *, int *, const void *, int);
2899
extern char *elfcore_write_ppc_tm_ctar
2900
  (bfd *, char *, int *, const void *, int);
2901
extern char *elfcore_write_ppc_tm_cppr
2902
  (bfd *, char *, int *, const void *, int);
2903
extern char *elfcore_write_ppc_tm_cdscr
2904
  (bfd *, char *, int *, const void *, int);
2905
extern char *elfcore_write_s390_timer
2906
  (bfd *, char *, int *, const void *, int);
2907
extern char *elfcore_write_s390_todcmp
2908
  (bfd *, char *, int *, const void *, int);
2909
extern char *elfcore_write_s390_todpreg
2910
  (bfd *, char *, int *, const void *, int);
2911
extern char *elfcore_write_s390_ctrs
2912
  (bfd *, char *, int *, const void *, int);
2913
extern char *elfcore_write_s390_prefix
2914
  (bfd *, char *, int *, const void *, int);
2915
extern char *elfcore_write_s390_last_break
2916
  (bfd *, char *, int *, const void *, int);
2917
extern char *elfcore_write_s390_system_call
2918
  (bfd *, char *, int *, const void *, int);
2919
extern char *elfcore_write_s390_tdb
2920
  (bfd *, char *, int *, const void *, int);
2921
extern char *elfcore_write_s390_vxrs_low
2922
  (bfd *, char *, int *, const void *, int);
2923
extern char *elfcore_write_s390_vxrs_high
2924
  (bfd *, char *, int *, const void *, int);
2925
extern char *elfcore_write_s390_gs_cb
2926
  (bfd *, char *, int *, const void *, int);
2927
extern char *elfcore_write_s390_gs_bc
2928
  (bfd *, char *, int *, const void *, int);
2929
extern char *elfcore_write_arm_vfp
2930
  (bfd *, char *, int *, const void *, int);
2931
extern char *elfcore_write_aarch_tls
2932
  (bfd *, char *, int *, const void *, int);
2933
extern char *elfcore_write_aarch_hw_break
2934
  (bfd *, char *, int *, const void *, int);
2935
extern char *elfcore_write_aarch_hw_watch
2936
  (bfd *, char *, int *, const void *, int);
2937
extern char *elfcore_write_aarch_sve
2938
  (bfd *, char *, int *, const void *, int);
2939
extern char *elfcore_write_aarch_pauth
2940
  (bfd *, char *, int *, const void *, int);
2941
extern char *elfcore_write_aarch_mte
2942
  (bfd *, char *, int *, const void *, int);
2943
extern char *elfcore_write_aarch_ssve
2944
  (bfd *, char *, int *, const void *, int);
2945
extern char *elfcore_write_aarch_za
2946
  (bfd *, char *, int *, const void *, int);
2947
extern char *elfcore_write_aarch_zt
2948
  (bfd *, char *, int *, const void *, int);
2949
extern char *elfcore_write_arc_v2
2950
  (bfd *, char *, int *, const void *, int);
2951
extern char *elfcore_write_riscv_csr
2952
  (bfd *, char *, int *, const void *, int);
2953
extern char *elfcore_write_gdb_tdesc
2954
  (bfd *, char *, int *, const void *, int);
2955
extern char *elfcore_write_lwpstatus
2956
  (bfd *, char *, int *, long, int, const void *);
2957
extern char *elfcore_write_register_note
2958
  (bfd *, char *, int *, const char *, const void *, int);
2959
extern char *elfcore_write_file_note
2960
  (bfd *, char *, int *, const void*, int);
2961
extern char *elfcore_write_loongarch_cpucfg
2962
  (bfd *, char *, int *, const void*, int);
2963
extern char *elfcore_write_loongarch_lbt
2964
  (bfd *, char *, int *, const void*, int);
2965
extern char *elfcore_write_loongarch_lsx
2966
  (bfd *, char *, int *, const void*, int);
2967
extern char *elfcore_write_loongarch_lasx
2968
  (bfd *, char *, int *, const void*, int);
2969
2970
/* Internal structure which holds information to be included in the
2971
   PRPSINFO section of Linux core files.
2972
2973
   This is an "internal" structure in the sense that it should be used
2974
   to pass information to BFD (via the `elfcore_write_linux_prpsinfo'
2975
   function), so things like endianess shouldn't be an issue.  This
2976
   structure will eventually be converted in one of the
2977
   `elf_external_linux_*' structures and written out to an output bfd
2978
   by one of the functions declared below.  */
2979
2980
struct elf_internal_linux_prpsinfo
2981
  {
2982
    char pr_state;      /* Numeric process state.  */
2983
    char pr_sname;      /* Char for pr_state.  */
2984
    char pr_zomb;     /* Zombie.  */
2985
    char pr_nice;     /* Nice val.  */
2986
    unsigned long pr_flag;    /* Flags.  */
2987
    unsigned int pr_uid;
2988
    unsigned int pr_gid;
2989
    int pr_pid, pr_ppid, pr_pgrp, pr_sid;
2990
    char pr_fname[16 + 1];    /* Filename of executable.  */
2991
    char pr_psargs[80 + 1];   /* Initial part of arg list.  */
2992
  };
2993
2994
/* Linux/most 32-bit archs.  */
2995
extern char *elfcore_write_linux_prpsinfo32
2996
  (bfd *, char *, int *, const struct elf_internal_linux_prpsinfo *);
2997
2998
/* Linux/most 64-bit archs.  */
2999
extern char *elfcore_write_linux_prpsinfo64
3000
  (bfd *, char *, int *, const struct elf_internal_linux_prpsinfo *);
3001
3002
extern bfd *_bfd_elf32_bfd_from_remote_memory
3003
  (bfd *templ, bfd_vma ehdr_vma, bfd_size_type size, bfd_vma *loadbasep,
3004
   int (*target_read_memory) (bfd_vma, bfd_byte *, bfd_size_type));
3005
extern bfd *_bfd_elf64_bfd_from_remote_memory
3006
  (bfd *templ, bfd_vma ehdr_vma, bfd_size_type size, bfd_vma *loadbasep,
3007
   int (*target_read_memory) (bfd_vma, bfd_byte *, bfd_size_type));
3008
3009
extern bfd_vma bfd_elf_obj_attr_size (bfd *);
3010
extern void bfd_elf_set_obj_attr_contents (bfd *, bfd_byte *, bfd_vma);
3011
extern int bfd_elf_get_obj_attr_int (bfd *, int, unsigned int);
3012
extern void bfd_elf_add_obj_attr_int (bfd *, int, unsigned int, unsigned int);
3013
#define bfd_elf_add_proc_attr_int(BFD, TAG, VALUE) \
3014
  bfd_elf_add_obj_attr_int ((BFD), OBJ_ATTR_PROC, (TAG), (VALUE))
3015
extern void bfd_elf_add_obj_attr_string (bfd *, int, unsigned int, const char *);
3016
#define bfd_elf_add_proc_attr_string(BFD, TAG, VALUE) \
3017
  bfd_elf_add_obj_attr_string ((BFD), OBJ_ATTR_PROC, (TAG), (VALUE))
3018
extern void bfd_elf_add_obj_attr_int_string (bfd *, int, unsigned int,
3019
               unsigned int, const char *);
3020
#define bfd_elf_add_proc_attr_int_string(BFD, TAG, INTVAL, STRVAL) \
3021
  bfd_elf_add_obj_attr_int_string ((BFD), OBJ_ATTR_PROC, (TAG), \
3022
           (INTVAL), (STRVAL))
3023
3024
extern char *_bfd_elf_attr_strdup (bfd *, const char *);
3025
extern void _bfd_elf_copy_obj_attributes (bfd *, bfd *);
3026
extern int _bfd_elf_obj_attrs_arg_type (bfd *, int, unsigned int);
3027
extern void _bfd_elf_parse_attributes (bfd *, Elf_Internal_Shdr *);
3028
extern bool _bfd_elf_merge_object_attributes
3029
  (bfd *, struct bfd_link_info *);
3030
extern bool _bfd_elf_merge_unknown_attribute_low (bfd *, bfd *, int);
3031
extern bool _bfd_elf_merge_unknown_attribute_list (bfd *, bfd *);
3032
extern Elf_Internal_Shdr *_bfd_elf_single_rel_hdr (asection *sec);
3033
extern bool elf_read_notes (bfd *, file_ptr, bfd_size_type, size_t);
3034
3035
extern bool _bfd_elf_parse_gnu_properties
3036
  (bfd *, Elf_Internal_Note *);
3037
extern elf_property * _bfd_elf_get_property
3038
  (bfd *, unsigned int, unsigned int);
3039
extern bfd *_bfd_elf_link_setup_gnu_properties
3040
  (struct bfd_link_info *);
3041
extern bfd_size_type _bfd_elf_convert_gnu_property_size
3042
  (bfd *, bfd *);
3043
extern bool _bfd_elf_convert_gnu_properties
3044
  (bfd *, asection *, bfd *, bfd_byte **, bfd_size_type *);
3045
3046
/* The linker may need to keep track of the number of relocs that it
3047
   decides to copy as dynamic relocs in check_relocs for each symbol.
3048
   This is so that it can later discard them if they are found to be
3049
   unnecessary.  We can store the information in a field extending the
3050
   regular ELF linker hash table.  */
3051
3052
struct elf_dyn_relocs
3053
{
3054
  struct elf_dyn_relocs *next;
3055
3056
  /* The input section of the reloc.  */
3057
  asection *sec;
3058
3059
  /* Total number of relocs copied for the input section.  */
3060
  bfd_size_type count;
3061
3062
  /* Number of pc-relative relocs copied for the input section.  */
3063
  bfd_size_type pc_count;
3064
};
3065
3066
extern bool _bfd_elf_create_ifunc_sections
3067
  (bfd *, struct bfd_link_info *);
3068
extern bool _bfd_elf_allocate_ifunc_dyn_relocs
3069
  (struct bfd_link_info *, struct elf_link_hash_entry *,
3070
   struct elf_dyn_relocs **, unsigned int, unsigned int,
3071
   unsigned int, bool);
3072
3073
extern void elf_append_rela (bfd *, asection *, Elf_Internal_Rela *);
3074
extern void elf_append_rel (bfd *, asection *, Elf_Internal_Rela *);
3075
3076
extern bfd_vma elf64_r_info (bfd_vma, bfd_vma);
3077
extern bfd_vma elf64_r_sym (bfd_vma);
3078
extern bfd_vma elf32_r_info (bfd_vma, bfd_vma);
3079
extern bfd_vma elf32_r_sym (bfd_vma);
3080
3081
extern bool is_debuginfo_file (bfd *);
3082
3083
3084
extern bool _bfd_elf_init_secondary_reloc_section
3085
  (bfd *, Elf_Internal_Shdr *, const char *, unsigned int);
3086
extern bool _bfd_elf_slurp_secondary_reloc_section
3087
  (bfd *, asection *, asymbol **, bool);
3088
extern bool _bfd_elf_copy_special_section_fields
3089
  (const bfd *, bfd *, const Elf_Internal_Shdr *, Elf_Internal_Shdr *);
3090
extern bool _bfd_elf_write_secondary_reloc_section
3091
  (bfd *, asection *);
3092
extern unsigned int _bfd_elf_symbol_section_index
3093
  (bfd *, elf_symbol_type *);
3094
3095
extern asection *_bfd_elf_readonly_dynrelocs
3096
  (struct elf_link_hash_entry *);
3097
extern bool _bfd_elf_maybe_set_textrel
3098
  (struct elf_link_hash_entry *, void *);
3099
3100
extern bool _bfd_elf_add_dynamic_tags
3101
  (bfd *, struct bfd_link_info *, bool);
3102
3103
/* Large common section.  */
3104
extern asection _bfd_elf_large_com_section;
3105
3106
/* Hash for local symbol with the first section id, ID, in the input
3107
   file and the local symbol index, SYM.  */
3108
#define ELF_LOCAL_SYMBOL_HASH(ID, SYM) \
3109
0
  (((((ID) & 0xffU) << 24) | (((ID) & 0xff00) << 8)) \
3110
0
   ^ (SYM) ^ (((ID) & 0xffff0000U) >> 16))
3111
3112
/* This is the condition under which finish_dynamic_symbol will be called.
3113
   If our finish_dynamic_symbol isn't called, we'll need to do something
3114
   about initializing any .plt and .got entries in relocate_section.  */
3115
#define WILL_CALL_FINISH_DYNAMIC_SYMBOL(DYN, SHARED, H) \
3116
0
  ((DYN)                \
3117
0
   && ((SHARED) || !(H)->forced_local)         \
3118
0
   && ((H)->dynindx != -1 || (H)->forced_local))
3119
3120
/* This macro is to avoid lots of duplicated code in the body
3121
   of xxx_relocate_section() in the various elfxx-xxxx.c files.  */
3122
#define RELOC_FOR_GLOBAL_SYMBOL(info, input_bfd, input_section, rel,  \
3123
        r_symndx, symtab_hdr, sym_hashes, \
3124
        h, sec, relocation,     \
3125
        unresolved_reloc, warned, ignored)  \
3126
0
  do                  \
3127
0
    {                 \
3128
0
      /* It seems this can happen with erroneous or unsupported   \
3129
0
   input (mixing a.out and elf in an archive, for example.)  */ \
3130
0
      if (sym_hashes == NULL)           \
3131
0
  return false;             \
3132
0
                  \
3133
0
      h = sym_hashes[r_symndx - symtab_hdr->sh_info];     \
3134
0
                  \
3135
0
      if (info->wrap_hash != NULL          \
3136
0
    && (input_section->flags & SEC_DEBUGGING) != 0)   \
3137
0
  h = ((struct elf_link_hash_entry *)       \
3138
0
       unwrap_hash_lookup (info, input_bfd, &h->root));   \
3139
0
                  \
3140
0
      while (h->root.type == bfd_link_hash_indirect      \
3141
0
       || h->root.type == bfd_link_hash_warning)     \
3142
0
  h = (struct elf_link_hash_entry *) h->root.u.i.link;   \
3143
0
                  \
3144
0
      warned = false;             \
3145
0
      ignored = false;              \
3146
0
      unresolved_reloc = false;           \
3147
0
      relocation = 0;             \
3148
0
      if (h->root.type == bfd_link_hash_defined        \
3149
0
    || h->root.type == bfd_link_hash_defweak)     \
3150
0
  {               \
3151
0
    sec = h->root.u.def.section;          \
3152
0
    if (sec == NULL            \
3153
0
        || sec->output_section == NULL)       \
3154
0
      /* Set a flag that will be cleared later if we find a \
3155
0
         relocation value for this symbol.  output_section  \
3156
0
         is typically NULL for symbols satisfied by a shared  \
3157
0
         library.  */           \
3158
0
      unresolved_reloc = true;         \
3159
0
    else                \
3160
0
      relocation = (h->root.u.def.value       \
3161
0
        + sec->output_section->vma      \
3162
0
        + sec->output_offset);     \
3163
0
  }               \
3164
0
      else if (h->root.type == bfd_link_hash_undefweak)     \
3165
0
  ;                \
3166
0
      else if (info->unresolved_syms_in_objects == RM_IGNORE    \
3167
0
         && ELF_ST_VISIBILITY (h->other) == STV_DEFAULT)   \
3168
0
  ignored = true;             \
3169
0
      else if (!bfd_link_relocatable (info))        \
3170
0
  {               \
3171
0
    bool err = ((info->unresolved_syms_in_objects == RM_DIAGNOSE  \
3172
0
           && !info->warn_unresolved_syms)     \
3173
0
          || ELF_ST_VISIBILITY (h->other) != STV_DEFAULT);  \
3174
0
    (*info->callbacks->undefined_symbol) (info,     \
3175
0
            h->root.root.string,  \
3176
0
            input_bfd,    \
3177
0
            input_section,    \
3178
0
            rel->r_offset, err);  \
3179
0
    warned = true;            \
3180
0
  }               \
3181
0
      (void) unresolved_reloc;            \
3182
0
      (void) warned;              \
3183
0
      (void) ignored;             \
3184
0
    }                 \
3185
0
  while (0)
3186
3187
/* This macro is to avoid lots of duplicated code in the body of the
3188
   loop over relocations in xxx_relocate_section() in the various
3189
   elfxx-xxxx.c files.
3190
3191
   Handle relocations against symbols from removed linkonce sections,
3192
   or sections discarded by a linker script.  When doing a relocatable
3193
   link, we remove such relocations.  Otherwise, we just want the
3194
   section contents zeroed and avoid any special processing.  */
3195
#define RELOC_AGAINST_DISCARDED_SECTION(info, input_bfd, input_section, \
3196
          rel, count, relend,   \
3197
          howto, index, contents)   \
3198
0
  {                 \
3199
0
    int i_;               \
3200
0
    _bfd_clear_contents (howto, input_bfd, input_section,   \
3201
0
       contents, rel[index].r_offset);    \
3202
0
                  \
3203
0
    if (bfd_link_relocatable (info)         \
3204
0
  && (input_section->flags & SEC_DEBUGGING))      \
3205
0
      {                 \
3206
0
  /* Only remove relocations in debug sections since other  \
3207
0
     sections may require relocations.  */      \
3208
0
  Elf_Internal_Shdr *rel_hdr;         \
3209
0
                  \
3210
0
  rel_hdr = _bfd_elf_single_rel_hdr (input_section->output_section); \
3211
0
                  \
3212
0
  /* Avoid empty output section.  */        \
3213
0
  if (rel_hdr->sh_size > rel_hdr->sh_entsize)     \
3214
0
    {               \
3215
0
      rel_hdr->sh_size -= rel_hdr->sh_entsize;      \
3216
0
      rel_hdr = _bfd_elf_single_rel_hdr (input_section);    \
3217
0
      rel_hdr->sh_size -= rel_hdr->sh_entsize;      \
3218
0
                  \
3219
0
      memmove (rel, rel + count,          \
3220
0
         (relend - rel - count) * sizeof (*rel));   \
3221
0
                  \
3222
0
      input_section->reloc_count -= count;      \
3223
0
      relend -= count;            \
3224
0
      rel--;              \
3225
0
      continue;             \
3226
0
    }                \
3227
0
      }                 \
3228
0
                  \
3229
0
    for (i_ = 0; i_ < count; i_++)         \
3230
0
      {                 \
3231
0
  rel[i_].r_info = 0;           \
3232
0
  rel[i_].r_addend = 0;           \
3233
0
      }                  \
3234
0
    rel += count - 1;             \
3235
0
    continue;               \
3236
0
  }
3237
3238
/* Will a symbol be bound to the definition within the shared
3239
   library, if any.  A unique symbol can never be bound locally.  */
3240
#define SYMBOLIC_BIND(INFO, H) \
3241
0
    (!(H)->unique_global \
3242
0
     && ((INFO)->symbolic \
3243
0
   || (H)->start_stop \
3244
0
   || ((INFO)->dynamic && !(H)->dynamic)))
3245
3246
/* Determine if a section contains CTF data, using its name.  */
3247
static inline bool
3248
bfd_section_is_ctf (const asection *sec)
3249
0
{
3250
0
  const char *name = bfd_section_name (sec);
3251
0
  return startswith (name, ".ctf") && (name[4] == 0 || name[4] == '.');
3252
0
}
Unexecuted instantiation: bfd.c:bfd_section_is_ctf
Unexecuted instantiation: opncls.c:bfd_section_is_ctf
Unexecuted instantiation: elf64-x86-64.c:bfd_section_is_ctf
Unexecuted instantiation: elfxx-x86.c:bfd_section_is_ctf
Unexecuted instantiation: elf-ifunc.c:bfd_section_is_ctf
Unexecuted instantiation: elf-vxworks.c:bfd_section_is_ctf
Unexecuted instantiation: elf64.c:bfd_section_is_ctf
Unexecuted instantiation: elf.c:bfd_section_is_ctf
Unexecuted instantiation: elflink.c:bfd_section_is_ctf
Unexecuted instantiation: elf-attrs.c:bfd_section_is_ctf
Unexecuted instantiation: elf-strtab.c:bfd_section_is_ctf
Unexecuted instantiation: elf-eh-frame.c:bfd_section_is_ctf
Unexecuted instantiation: elf-sframe.c:bfd_section_is_ctf
Unexecuted instantiation: dwarf1.c:bfd_section_is_ctf
Unexecuted instantiation: dwarf2.c:bfd_section_is_ctf
Unexecuted instantiation: elf32-i386.c:bfd_section_is_ctf
Unexecuted instantiation: elf32.c:bfd_section_is_ctf
Unexecuted instantiation: elf64-gen.c:bfd_section_is_ctf
Unexecuted instantiation: elf32-gen.c:bfd_section_is_ctf
Unexecuted instantiation: elf32-aarch64.c:bfd_section_is_ctf
Unexecuted instantiation: elf32-ia64.c:bfd_section_is_ctf
Unexecuted instantiation: elf32-kvx.c:bfd_section_is_ctf
Unexecuted instantiation: elf32-loongarch.c:bfd_section_is_ctf
Unexecuted instantiation: elf32-mips.c:bfd_section_is_ctf
Unexecuted instantiation: elf32-riscv.c:bfd_section_is_ctf
Unexecuted instantiation: elf32-score.c:bfd_section_is_ctf
Unexecuted instantiation: elf32-score7.c:bfd_section_is_ctf
Unexecuted instantiation: elf64-aarch64.c:bfd_section_is_ctf
Unexecuted instantiation: elf64-alpha.c:bfd_section_is_ctf
Unexecuted instantiation: elf64-amdgcn.c:bfd_section_is_ctf
Unexecuted instantiation: elf64-bpf.c:bfd_section_is_ctf
Unexecuted instantiation: elf64-hppa.c:bfd_section_is_ctf
Unexecuted instantiation: elf64-ia64-vms.c:bfd_section_is_ctf
Unexecuted instantiation: elf64-ia64.c:bfd_section_is_ctf
Unexecuted instantiation: elf64-kvx.c:bfd_section_is_ctf
Unexecuted instantiation: elf64-loongarch.c:bfd_section_is_ctf
Unexecuted instantiation: elf64-mips.c:bfd_section_is_ctf
Unexecuted instantiation: elf64-mmix.c:bfd_section_is_ctf
Unexecuted instantiation: elf64-nfp.c:bfd_section_is_ctf
Unexecuted instantiation: elf64-ppc.c:bfd_section_is_ctf
Unexecuted instantiation: elf64-riscv.c:bfd_section_is_ctf
Unexecuted instantiation: elf64-s390.c:bfd_section_is_ctf
Unexecuted instantiation: elf64-sparc.c:bfd_section_is_ctf
Unexecuted instantiation: elf64-tilegx.c:bfd_section_is_ctf
Unexecuted instantiation: elfn32-mips.c:bfd_section_is_ctf
Unexecuted instantiation: elfxx-aarch64.c:bfd_section_is_ctf
Unexecuted instantiation: elfxx-ia64.c:bfd_section_is_ctf
Unexecuted instantiation: elfxx-kvx.c:bfd_section_is_ctf
Unexecuted instantiation: elfxx-loongarch.c:bfd_section_is_ctf
Unexecuted instantiation: elfxx-mips.c:bfd_section_is_ctf
Unexecuted instantiation: elfxx-riscv.c:bfd_section_is_ctf
Unexecuted instantiation: elf-m10200.c:bfd_section_is_ctf
Unexecuted instantiation: elf-m10300.c:bfd_section_is_ctf
Unexecuted instantiation: elf32-am33lin.c:bfd_section_is_ctf
Unexecuted instantiation: elf32-arc.c:bfd_section_is_ctf
Unexecuted instantiation: elf32-arm.c:bfd_section_is_ctf
Unexecuted instantiation: elf32-avr.c:bfd_section_is_ctf
Unexecuted instantiation: elf32-bfin.c:bfd_section_is_ctf
Unexecuted instantiation: elf32-cr16.c:bfd_section_is_ctf
Unexecuted instantiation: elf32-cris.c:bfd_section_is_ctf
Unexecuted instantiation: elf32-crx.c:bfd_section_is_ctf
Unexecuted instantiation: elf32-csky.c:bfd_section_is_ctf
Unexecuted instantiation: elf32-d10v.c:bfd_section_is_ctf
Unexecuted instantiation: elf32-d30v.c:bfd_section_is_ctf
Unexecuted instantiation: elf32-dlx.c:bfd_section_is_ctf
Unexecuted instantiation: elf32-epiphany.c:bfd_section_is_ctf
Unexecuted instantiation: elf32-fr30.c:bfd_section_is_ctf
Unexecuted instantiation: elf32-frv.c:bfd_section_is_ctf
Unexecuted instantiation: elf32-ft32.c:bfd_section_is_ctf
Unexecuted instantiation: elf32-h8300.c:bfd_section_is_ctf
Unexecuted instantiation: elf32-hppa.c:bfd_section_is_ctf
Unexecuted instantiation: elf32-ip2k.c:bfd_section_is_ctf
Unexecuted instantiation: elf32-iq2000.c:bfd_section_is_ctf
Unexecuted instantiation: elf32-lm32.c:bfd_section_is_ctf
Unexecuted instantiation: elf32-m32c.c:bfd_section_is_ctf
Unexecuted instantiation: elf32-m32r.c:bfd_section_is_ctf
Unexecuted instantiation: elf32-m68hc11.c:bfd_section_is_ctf
Unexecuted instantiation: elf32-m68hc12.c:bfd_section_is_ctf
Unexecuted instantiation: elf32-m68hc1x.c:bfd_section_is_ctf
Unexecuted instantiation: elf32-m68k.c:bfd_section_is_ctf
Unexecuted instantiation: elf32-mcore.c:bfd_section_is_ctf
Unexecuted instantiation: elf32-mep.c:bfd_section_is_ctf
Unexecuted instantiation: elf32-metag.c:bfd_section_is_ctf
Unexecuted instantiation: elf32-microblaze.c:bfd_section_is_ctf
Unexecuted instantiation: elf32-moxie.c:bfd_section_is_ctf
Unexecuted instantiation: elf32-msp430.c:bfd_section_is_ctf
Unexecuted instantiation: elf32-mt.c:bfd_section_is_ctf
Unexecuted instantiation: elf32-nds32.c:bfd_section_is_ctf
Unexecuted instantiation: elf32-nios2.c:bfd_section_is_ctf
Unexecuted instantiation: elf32-or1k.c:bfd_section_is_ctf
Unexecuted instantiation: elf32-pj.c:bfd_section_is_ctf
Unexecuted instantiation: elf32-ppc.c:bfd_section_is_ctf
Unexecuted instantiation: elf32-pru.c:bfd_section_is_ctf
Unexecuted instantiation: elf32-rl78.c:bfd_section_is_ctf
Unexecuted instantiation: elf32-rx.c:bfd_section_is_ctf
Unexecuted instantiation: elf32-s12z.c:bfd_section_is_ctf
Unexecuted instantiation: elf32-s390.c:bfd_section_is_ctf
Unexecuted instantiation: elf32-sh.c:bfd_section_is_ctf
Unexecuted instantiation: elf32-sparc.c:bfd_section_is_ctf
Unexecuted instantiation: elf32-spu.c:bfd_section_is_ctf
Unexecuted instantiation: elf32-tic6x.c:bfd_section_is_ctf
Unexecuted instantiation: elf32-tilegx.c:bfd_section_is_ctf
Unexecuted instantiation: elf32-tilepro.c:bfd_section_is_ctf
Unexecuted instantiation: elf32-v850.c:bfd_section_is_ctf
Unexecuted instantiation: elf32-vax.c:bfd_section_is_ctf
Unexecuted instantiation: elf32-visium.c:bfd_section_is_ctf
Unexecuted instantiation: elf32-wasm32.c:bfd_section_is_ctf
Unexecuted instantiation: elf32-xgate.c:bfd_section_is_ctf
Unexecuted instantiation: elf32-xstormy16.c:bfd_section_is_ctf
Unexecuted instantiation: elf32-xtensa.c:bfd_section_is_ctf
Unexecuted instantiation: elf32-z80.c:bfd_section_is_ctf
Unexecuted instantiation: elfxx-sparc.c:bfd_section_is_ctf
Unexecuted instantiation: elfxx-tilegx.c:bfd_section_is_ctf
Unexecuted instantiation: cpu-nds32.c:bfd_section_is_ctf
Unexecuted instantiation: compress.c:bfd_section_is_ctf
Unexecuted instantiation: elf-properties.c:bfd_section_is_ctf
Unexecuted instantiation: merge.c:bfd_section_is_ctf
Unexecuted instantiation: elf-nacl.c:bfd_section_is_ctf
3253
3254
#ifdef __cplusplus
3255
}
3256
#endif
3257
#endif /* _LIBELF_H_ */