bfd/

[deliverable/binutils-gdb.git] / bfd / elf-bfd.h

diff --git a/bfd/elf-bfd.h b/bfd/elf-bfd.h
index ca51e35adb852a465e546e7f9638d36549bc41aa..b0e902896ca1570ff471bc233885c548561073f9 100644 (file)
--- a/bfd/elf-bfd.h
+++ b/bfd/elf-bfd.h
@@ -1,6 +1,6 @@
 /* BFD back-end data structures for ELF files.
    Copyright 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001,
 /* BFD back-end data structures for ELF files.
    Copyright 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001,

-   2002, 2003, 2004, 2005 Free Software Foundation, Inc.
+   2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.

    Written by Cygnus Support.
 
    This file is part of BFD, the Binary File Descriptor library.
    Written by Cygnus Support.
 
    This file is part of BFD, the Binary File Descriptor library.


@@ -155,6 +155,8 @@ struct elf_link_hash_entry
   unsigned int hidden : 1;
   /* Symbol was forced to local scope due to a version script file.  */
   unsigned int forced_local : 1;
   unsigned int hidden : 1;
   /* Symbol was forced to local scope due to a version script file.  */
   unsigned int forced_local : 1;

+  /* Symbol was forced to be dynamic due to a version script file.  */
+  unsigned int dynamic : 1;

   /* Symbol was marked during garbage collection.  */
   unsigned int mark : 1;
   /* Symbol is referenced by a non-GOT/non-PLT relocation.  This is
   /* Symbol was marked during garbage collection.  */
   unsigned int mark : 1;
   /* Symbol is referenced by a non-GOT/non-PLT relocation.  This is


@@ -259,31 +261,6 @@ struct elf_link_loaded_list
 };
 
 /* Structures used by the eh_frame optimization code.  */
 };
 
 /* Structures used by the eh_frame optimization code.  */

-struct cie_header
-{
-  unsigned int length;
-  unsigned int id;
-};
-
-struct cie
-{
-  struct cie_header hdr;
-  unsigned char version;
-  char augmentation[20];
-  bfd_vma code_align;
-  bfd_signed_vma data_align;
-  bfd_vma ra_column;
-  bfd_vma augmentation_size;
-  struct elf_link_hash_entry *personality;
-  unsigned char per_encoding;
-  unsigned char lsda_encoding;
-  unsigned char fde_encoding;
-  unsigned char initial_insn_length;
-  unsigned char make_relative;
-  unsigned char make_lsda_relative;
-  unsigned char initial_instructions[50];
-};
-

 struct eh_cie_fde
 {
   /* For FDEs, this points to the CIE used.  */
 struct eh_cie_fde
 {
   /* For FDEs, this points to the CIE used.  */


@@ -302,12 +279,12 @@ struct eh_cie_fde
   unsigned int make_lsda_relative : 1;
   unsigned int need_lsda_relative : 1;
   unsigned int per_encoding_relative : 1;
   unsigned int make_lsda_relative : 1;
   unsigned int need_lsda_relative : 1;
   unsigned int per_encoding_relative : 1;

+  unsigned int *set_loc;

 };
 
 struct eh_frame_sec_info
 {
   unsigned int count;
 };
 
 struct eh_frame_sec_info
 {
   unsigned int count;

-  unsigned int alloced;

   struct eh_cie_fde entry[1];
 };
 
   struct eh_cie_fde entry[1];
 };
 


@@ -317,11 +294,11 @@ struct eh_frame_array_ent
   bfd_vma fde;
 };
 
   bfd_vma fde;
 };
 

+struct htab;
+

 struct eh_frame_hdr_info
 {
 struct eh_frame_hdr_info
 {

-  struct cie last_cie;
-  asection *last_cie_sec;
-  struct eh_cie_fde *last_cie_inf;
+  struct htab *cies;

   asection *hdr_sec;
   unsigned int fde_count, array_count;
   struct eh_frame_array_ent *array;
   asection *hdr_sec;
   unsigned int fde_count, array_count;
   struct eh_frame_array_ent *array;


@@ -342,6 +319,10 @@ struct elf_link_hash_table
      when linking against or generating a shared object.  */
   bfd_boolean dynamic_sections_created;
 
      when linking against or generating a shared object.  */
   bfd_boolean dynamic_sections_created;
 

+  /* True if this target has relocatable executables, so needs dynamic
+     section symbols.  */
+  bfd_boolean is_relocatable_executable;
+

   /* The BFD used to hold special sections created by the linker.
      This will be the first BFD found which requires these sections to
      be created.  */
   /* The BFD used to hold special sections created by the linker.
      This will be the first BFD found which requires these sections to
      be created.  */


@@ -375,9 +356,18 @@ struct elf_link_hash_table
      included in the link.  */
   struct bfd_link_needed_list *needed;
 
      included in the link.  */
   struct bfd_link_needed_list *needed;
 

+  /* Sections in the output bfd that provides a section symbol
+     to be used by relocations emitted against local symbols.
+     Most targets will not use data_index_section.  */
+  asection *text_index_section;
+  asection *data_index_section;
+

   /* The _GLOBAL_OFFSET_TABLE_ symbol.  */
   struct elf_link_hash_entry *hgot;
 
   /* The _GLOBAL_OFFSET_TABLE_ symbol.  */
   struct elf_link_hash_entry *hgot;
 

+  /* The _PROCEDURE_LINKAGE_TABLE_ symbol.  */
+  struct elf_link_hash_entry *hplt;
+

   /* A pointer to information used to merge SEC_MERGE sections.  */
   void *merge_info;
 
   /* A pointer to information used to merge SEC_MERGE sections.  */
   void *merge_info;
 


@@ -400,10 +390,6 @@ struct elf_link_hash_table
 
   /* A linked list of BFD's loaded in the link.  */
   struct elf_link_loaded_list *loaded;
 
   /* A linked list of BFD's loaded in the link.  */
   struct elf_link_loaded_list *loaded;

-
-  /* True if this target has relocatable executables, so needs dynamic
-     section symbols.  */
-  bfd_boolean is_relocatable_executable;

 };
 
 /* Look up an entry in an ELF linker hash table.  */
 };
 
 /* Look up an entry in an ELF linker hash table.  */


@@ -463,7 +449,7 @@ struct elf_size_info {
     (*write_shdrs_and_ehdr) (bfd *);
   void (*write_relocs)
     (bfd *, asection *, void *);
     (*write_shdrs_and_ehdr) (bfd *);
   void (*write_relocs)
     (bfd *, asection *, void *);

-  void (*swap_symbol_in)
+  bfd_boolean (*swap_symbol_in)

     (bfd *, const void *, const void *, Elf_Internal_Sym *);
   void (*swap_symbol_out)
     (bfd *, const Elf_Internal_Sym *, void *, void *);
     (bfd *, const void *, const void *, Elf_Internal_Sym *);
   void (*swap_symbol_out)
     (bfd *, const Elf_Internal_Sym *, void *, void *);


@@ -546,6 +532,12 @@ struct bfd_elf_special_section
   int attr;
 };
 
   int attr;
 };
 

+enum action_discarded
+  {
+    COMPLAIN = 1,
+    PRETEND = 2
+  };
+

 struct elf_backend_data
 {
   /* The architecture for this backend.  */
 struct elf_backend_data
 {
   /* The architecture for this backend.  */


@@ -562,6 +554,9 @@ struct elf_backend_data
      pages at least this large.  May be smaller than maxpagesize.  */
   bfd_vma minpagesize;
 
      pages at least this large.  May be smaller than maxpagesize.  */
   bfd_vma minpagesize;
 

+  /* The common page size for this backend.  */
+  bfd_vma commonpagesize;
+

   /* The BFD flags applied to sections created for dynamic linking.  */
   flagword dynamic_sec_flags;
 
   /* The BFD flags applied to sections created for dynamic linking.  */
   flagword dynamic_sec_flags;
 


@@ -633,11 +628,16 @@ struct elf_backend_data
   bfd_boolean (*elf_backend_section_from_shdr)
     (bfd *, Elf_Internal_Shdr *, const char *, int);
 
   bfd_boolean (*elf_backend_section_from_shdr)
     (bfd *, Elf_Internal_Shdr *, const char *, int);
 

-  /* A function to convert machine dependent section header flags to
+  /* A function to convert machine dependent ELF section header flags to

      BFD internal section header flags.  */
   bfd_boolean (*elf_backend_section_flags)
     (flagword *, const Elf_Internal_Shdr *);
 
      BFD internal section header flags.  */
   bfd_boolean (*elf_backend_section_flags)
     (flagword *, const Elf_Internal_Shdr *);
 

+  /* A function that returns a struct containing ELF section flags and
+     type for the given BFD section.   */
+  const struct bfd_elf_special_section * (*get_sec_type_attr)
+    (bfd *, asection *);
+

   /* A function to handle unusual program segment types when creating BFD
      sections from ELF program segments.  */
   bfd_boolean (*elf_backend_section_from_phdr)
   /* A function to handle unusual program segment types when creating BFD
      sections from ELF program segments.  */
   bfd_boolean (*elf_backend_section_from_phdr)


@@ -711,6 +711,13 @@ struct elf_backend_data
   bfd_boolean (*check_directives)
     (bfd *abfd, struct bfd_link_info *info);
 
   bfd_boolean (*check_directives)
     (bfd *abfd, struct bfd_link_info *info);
 

+  /* The AS_NEEDED_CLEANUP function is called once per --as-needed
+     input file that was not needed by the add_symbols phase of the
+     ELF backend linker.  The function must undo any target specific
+     changes in the symbol hash table.  */
+  bfd_boolean (*as_needed_cleanup)
+    (bfd *abfd, struct bfd_link_info *info);
+

   /* The ADJUST_DYNAMIC_SYMBOL function is called by the ELF backend
      linker for every symbol which is defined by a dynamic object and
      referenced by a regular object.  This is called after all the
   /* The ADJUST_DYNAMIC_SYMBOL function is called by the ELF backend
      linker for every symbol which is defined by a dynamic object and
      referenced by a regular object.  This is called after all the


@@ -746,6 +753,11 @@ struct elf_backend_data
   bfd_boolean (*elf_backend_size_dynamic_sections)
     (bfd *output_bfd, struct bfd_link_info *info);
 
   bfd_boolean (*elf_backend_size_dynamic_sections)
     (bfd *output_bfd, struct bfd_link_info *info);
 

+  /* Set TEXT_INDEX_SECTION and DATA_INDEX_SECTION, the output sections
+     we keep to use as a base for relocs and symbols.  */
+  void (*elf_backend_init_index_section)
+    (bfd *output_bfd, struct bfd_link_info *info);
+

   /* The RELOCATE_SECTION function is called by the ELF backend linker
      to handle the relocations for a section.
 
   /* The RELOCATE_SECTION function is called by the ELF backend linker
      to handle the relocations for a section.
 


@@ -812,13 +824,23 @@ struct elf_backend_data
      return the number of additional program segments which this BFD
      will need.  It should return -1 on error.  */
   int (*elf_backend_additional_program_headers)
      return the number of additional program segments which this BFD
      will need.  It should return -1 on error.  */
   int (*elf_backend_additional_program_headers)

-    (bfd *);
+    (bfd *, struct bfd_link_info *);

 
   /* This function is called to modify an existing segment map in a
      backend specific fashion.  */
   bfd_boolean (*elf_backend_modify_segment_map)
     (bfd *, struct bfd_link_info *);
 
 
   /* This function is called to modify an existing segment map in a
      backend specific fashion.  */
   bfd_boolean (*elf_backend_modify_segment_map)
     (bfd *, struct bfd_link_info *);
 

+  /* This function is called to modify program headers just before
+     they are written.  */
+  bfd_boolean (*elf_backend_modify_program_headers)
+    (bfd *, struct bfd_link_info *);
+
+  /* This function is called during section garbage collection to
+     mark sections that define global symbols.  */
+  bfd_boolean (*gc_mark_dynamic_ref)
+    (struct elf_link_hash_entry *h, void *inf);
+

   /* This function is called during section gc to discover the section a
      particular relocation refers to.  */
   asection * (*gc_mark_hook)
   /* This function is called during section gc to discover the section a
      particular relocation refers to.  */
   asection * (*gc_mark_hook)


@@ -846,8 +868,16 @@ struct elf_backend_data
 
   /* This function, if defined, is called after all local symbols and
      global symbols converted to locals are emitted into the symtab
 
   /* This function, if defined, is called after all local symbols and
      global symbols converted to locals are emitted into the symtab

-     section.  It allows the backend to emit special global symbols
+     section.  It allows the backend to emit special local symbols

      not handled in the hash table.  */
      not handled in the hash table.  */

+  bfd_boolean (*elf_backend_output_arch_local_syms)
+    (bfd *, struct bfd_link_info *, void *,
+     bfd_boolean (*) (void *, const char *, Elf_Internal_Sym *, asection *,
+                     struct elf_link_hash_entry *));
+
+  /* This function, if defined, is called after all symbols are emitted
+     into the symtab section.  It allows the backend to emit special
+     global symbols not handled in the hash table.  */

   bfd_boolean (*elf_backend_output_arch_syms)
     (bfd *, struct bfd_link_info *, void *,
      bfd_boolean (*) (void *, const char *, Elf_Internal_Sym *, asection *,
   bfd_boolean (*elf_backend_output_arch_syms)
     (bfd *, struct bfd_link_info *, void *,
      bfd_boolean (*) (void *, const char *, Elf_Internal_Sym *, asection *,


@@ -859,7 +889,7 @@ struct elf_backend_data
      newly created and plt/got refcounts and dynamic indices should not
      be copied.  */
   void (*elf_backend_copy_indirect_symbol)
      newly created and plt/got refcounts and dynamic indices should not
      be copied.  */
   void (*elf_backend_copy_indirect_symbol)

-    (const struct elf_backend_data *, struct elf_link_hash_entry *,
+    (struct bfd_link_info *, struct elf_link_hash_entry *,

      struct elf_link_hash_entry *);
 
   /* Modify any information related to dynamic linking such that the
      struct elf_link_hash_entry *);
 
   /* Modify any information related to dynamic linking such that the


@@ -867,11 +897,21 @@ struct elf_backend_data
   void (*elf_backend_hide_symbol)
     (struct bfd_link_info *, struct elf_link_hash_entry *, bfd_boolean);
 
   void (*elf_backend_hide_symbol)
     (struct bfd_link_info *, struct elf_link_hash_entry *, bfd_boolean);
 

+  /* A function to do additional symbol fixup, called by
+     _bfd_elf_fix_symbol_flags.  */
+  bfd_boolean (*elf_backend_fixup_symbol)
+    (struct bfd_link_info *, struct elf_link_hash_entry *);
+

   /* Merge the backend specific symbol attribute.  */
   void (*elf_backend_merge_symbol_attribute)
     (struct elf_link_hash_entry *, const Elf_Internal_Sym *, bfd_boolean,
      bfd_boolean);
 
   /* Merge the backend specific symbol attribute.  */
   void (*elf_backend_merge_symbol_attribute)
     (struct elf_link_hash_entry *, const Elf_Internal_Sym *, bfd_boolean,
      bfd_boolean);
 

+  /* Decide whether an undefined symbol is special and can be ignored.
+     This is the case for OPTIONAL symbols on IRIX.  */
+  bfd_boolean (*elf_backend_ignore_undef_symbol)
+    (struct elf_link_hash_entry *);
+

   /* Emit relocations.  Overrides default routine for emitting relocs,
      except during a relocatable link, or if all relocs are being emitted.  */
   bfd_boolean (*elf_backend_emit_relocs)
   /* Emit relocations.  Overrides default routine for emitting relocs,
      except during a relocatable link, or if all relocs are being emitted.  */
   bfd_boolean (*elf_backend_emit_relocs)


@@ -913,6 +953,11 @@ struct elf_backend_data
   bfd_boolean (*elf_backend_ignore_discarded_relocs)
     (asection *);
 
   bfd_boolean (*elf_backend_ignore_discarded_relocs)
     (asection *);
 

+  /* What to do when ld finds relocations against symbols defined in
+     discarded sections.  */
+  unsigned int (*action_discarded)
+    (asection *);
+

   /* This function returns the width of FDE pointers in bytes, or 0 if
      that can't be determined for some reason.  The default definition
      goes by the bfd's EI_CLASS.  */
   /* This function returns the width of FDE pointers in bytes, or 0 if
      that can't be determined for some reason.  The default definition
      goes by the bfd's EI_CLASS.  */


@@ -964,6 +1009,33 @@ struct elf_backend_data
      see elf.c.  */
   bfd_vma (*plt_sym_val) (bfd_vma, const asection *, const arelent *);
 
      see elf.c.  */
   bfd_vma (*plt_sym_val) (bfd_vma, const asection *, const arelent *);
 

+  /* Is symbol defined in common section?  */
+  bfd_boolean (*common_definition) (Elf_Internal_Sym *);
+
+  /* Return a common section index for section.  */
+  unsigned int (*common_section_index) (asection *);
+
+  /* Return a common section for section.  */
+  asection *(*common_section) (asection *);
+
+  /* Return TRUE if we can merge 2 definitions.  */
+  bfd_boolean (*merge_symbol) (struct bfd_link_info *,
+                              struct elf_link_hash_entry **,
+                              struct elf_link_hash_entry *,
+                              Elf_Internal_Sym *, asection **,
+                              bfd_vma *, unsigned int *,
+                              bfd_boolean *, bfd_boolean *,
+                              bfd_boolean *, bfd_boolean *,
+                              bfd_boolean *, bfd_boolean *,
+                              bfd_boolean *, bfd_boolean *,
+                              bfd *, asection **,
+                              bfd_boolean *, bfd_boolean *,
+                              bfd_boolean *, bfd_boolean *,
+                              bfd *, asection **);
+
+  /* Return TRUE if symbol should be hashed in the `.gnu.hash' section.  */
+  bfd_boolean (*elf_hash_symbol) (struct elf_link_hash_entry *);
+

   /* Used to handle bad SHF_LINK_ORDER input.  */
   bfd_error_handler_type link_order_error_handler;
 
   /* Used to handle bad SHF_LINK_ORDER input.  */
   bfd_error_handler_type link_order_error_handler;
 


@@ -976,9 +1048,8 @@ struct elf_backend_data
 
   const struct elf_size_info *s;
 
 
   const struct elf_size_info *s;
 

-  /* An array of 27 target specific special section map arrays,
-     covering 'a' to 'z', plus other.  */
-  const struct bfd_elf_special_section **special_sections;
+  /* An array of target specific special sections.  */
+  const struct bfd_elf_special_section *special_sections;

 
   /* The size in bytes of the header for the GOT.  This includes the
      so-called reserved entries on some systems.  */
 
   /* The size in bytes of the header for the GOT.  This includes the
      so-called reserved entries on some systems.  */


@@ -1103,12 +1174,12 @@ struct bfd_elf_section_data
     struct bfd_symbol *id;
   } group;
 
     struct bfd_symbol *id;
   } group;
 

-  /* Optional information about section group; NULL if it doesn't
-     belongs to any section group. */
+  /* For a member of a group, points to the SHT_GROUP section.
+     NULL for the SHT_GROUP section itself and non-group sections.  */

   asection *sec_group;
 
   asection *sec_group;
 

-  /* A linked list of sections in the group.  Circular when used by
-     the linker.  */
+  /* A linked list of member sections in the group.  Circular when used by
+     the linker.  For the SHT_GROUP section, points at first member.  */

   asection *next_in_group;
 
   /* A pointer used for various section optimizations.  */
   asection *next_in_group;
 
   /* A pointer used for various section optimizations.  */


@@ -1131,8 +1202,11 @@ struct bfd_elf_section_data
    && (sec)->sec_info_type != ELF_INFO_TYPE_MERGE              \
    && (sec)->sec_info_type != ELF_INFO_TYPE_JUST_SYMS)
 
    && (sec)->sec_info_type != ELF_INFO_TYPE_MERGE              \
    && (sec)->sec_info_type != ELF_INFO_TYPE_JUST_SYMS)
 

+#define xvec_get_elf_backend_data(xvec) \
+  ((struct elf_backend_data *) (xvec)->backend_data)
+

 #define get_elf_backend_data(abfd) \
 #define get_elf_backend_data(abfd) \

-  ((const struct elf_backend_data *) (abfd)->xvec->backend_data)
+   xvec_get_elf_backend_data ((abfd)->xvec)

 
 /* This struct is used to pass information to routines called via
    elf_link_hash_traverse which must return failure.  */
 
 /* This struct is used to pass information to routines called via
    elf_link_hash_traverse which must return failure.  */


@@ -1260,6 +1334,7 @@ struct elf_obj_tdata
      MIPS ELF linker.  FIXME: We should figure out some way to only
      include this field for a MIPS ELF target.  */
   asection **local_stubs;
      MIPS ELF linker.  FIXME: We should figure out some way to only
      include this field for a MIPS ELF target.  */
   asection **local_stubs;

+  asection **local_call_stubs;

 
   /* Used to determine if PT_GNU_EH_FRAME segment header should be
      created.  */
 
   /* Used to determine if PT_GNU_EH_FRAME segment header should be
      created.  */


@@ -1311,6 +1386,9 @@ struct elf_obj_tdata
 
   /* Used to determine if the e_flags field has been initialized */
   bfd_boolean flags_init;
 
   /* Used to determine if the e_flags field has been initialized */
   bfd_boolean flags_init;

+
+  /* Symbol buffer.  */
+  Elf_Internal_Sym *symbuf;

 };
 
 #define elf_tdata(bfd)         ((bfd) -> tdata.elf_obj_data)
 };
 
 #define elf_tdata(bfd)         ((bfd) -> tdata.elf_obj_data)


@@ -1405,6 +1483,8 @@ extern bfd_vma _bfd_elf_section_offset
 
 extern unsigned long bfd_elf_hash
   (const char *);
 
 extern unsigned long bfd_elf_hash
   (const char *);

+extern unsigned long bfd_elf_gnu_hash
+  (const char *);

 
 extern bfd_reloc_status_type bfd_elf_generic_reloc
   (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
 
 extern bfd_reloc_status_type bfd_elf_generic_reloc
   (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);


@@ -1423,32 +1503,41 @@ extern struct bfd_hash_entry *_bfd_elf_link_hash_newfunc
 extern struct bfd_link_hash_table *_bfd_elf_link_hash_table_create
   (bfd *);
 extern void _bfd_elf_link_hash_copy_indirect
 extern struct bfd_link_hash_table *_bfd_elf_link_hash_table_create
   (bfd *);
 extern void _bfd_elf_link_hash_copy_indirect

-  (const struct elf_backend_data *, struct elf_link_hash_entry *,
+  (struct bfd_link_info *, struct elf_link_hash_entry *,

    struct elf_link_hash_entry *);
 extern void _bfd_elf_link_hash_hide_symbol
   (struct bfd_link_info *, struct elf_link_hash_entry *, bfd_boolean);
    struct elf_link_hash_entry *);
 extern void _bfd_elf_link_hash_hide_symbol
   (struct bfd_link_info *, struct elf_link_hash_entry *, bfd_boolean);

+extern bfd_boolean _bfd_elf_link_hash_fixup_symbol
+  (struct bfd_link_info *, struct elf_link_hash_entry *);

 extern bfd_boolean _bfd_elf_link_hash_table_init
   (struct elf_link_hash_table *, bfd *,
    struct bfd_hash_entry *(*)
 extern bfd_boolean _bfd_elf_link_hash_table_init
   (struct elf_link_hash_table *, bfd *,
    struct bfd_hash_entry *(*)

-     (struct bfd_hash_entry *, struct bfd_hash_table *, const char *));
+     (struct bfd_hash_entry *, struct bfd_hash_table *, const char *),
+   unsigned int);

 extern bfd_boolean _bfd_elf_slurp_version_tables
   (bfd *, bfd_boolean);
 extern bfd_boolean _bfd_elf_merge_sections
   (bfd *, struct bfd_link_info *);
 extern bfd_boolean _bfd_elf_slurp_version_tables
   (bfd *, bfd_boolean);
 extern bfd_boolean _bfd_elf_merge_sections
   (bfd *, struct bfd_link_info *);

+extern bfd_boolean _bfd_elf_match_sections_by_type
+  (bfd *, const asection *, bfd *, const asection *);

 extern bfd_boolean bfd_elf_is_group_section
   (bfd *, const struct bfd_section *);
 extern void _bfd_elf_section_already_linked
 extern bfd_boolean bfd_elf_is_group_section
   (bfd *, const struct bfd_section *);
 extern void _bfd_elf_section_already_linked

-  (bfd *, struct bfd_section *);
+  (bfd *, struct bfd_section *, struct bfd_link_info *);

 extern void bfd_elf_set_group_contents
   (bfd *, asection *, void *);
 extern asection *_bfd_elf_check_kept_section
 extern void bfd_elf_set_group_contents
   (bfd *, asection *, void *);
 extern asection *_bfd_elf_check_kept_section

-  (asection *);
+  (asection *, struct bfd_link_info *);

 extern void _bfd_elf_link_just_syms
   (asection *, struct bfd_link_info *);
 extern bfd_boolean _bfd_elf_copy_private_header_data
   (bfd *, bfd *);
 extern bfd_boolean _bfd_elf_copy_private_symbol_data
   (bfd *, asymbol *, bfd *, asymbol *);
 extern void _bfd_elf_link_just_syms
   (asection *, struct bfd_link_info *);
 extern bfd_boolean _bfd_elf_copy_private_header_data
   (bfd *, bfd *);
 extern bfd_boolean _bfd_elf_copy_private_symbol_data
   (bfd *, asymbol *, bfd *, asymbol *);

+#define _bfd_generic_init_private_section_data \
+  _bfd_elf_init_private_section_data
+extern bfd_boolean _bfd_elf_init_private_section_data
+  (bfd *, asection *, bfd *, asection *, struct bfd_link_info *);

 extern bfd_boolean _bfd_elf_copy_private_section_data
   (bfd *, asection *, bfd *, asection *);
 extern bfd_boolean _bfd_elf_write_object_contents
 extern bfd_boolean _bfd_elf_copy_private_section_data
   (bfd *, asection *, bfd *, asection *);
 extern bfd_boolean _bfd_elf_write_object_contents


@@ -1488,16 +1577,23 @@ extern bfd_boolean _bfd_elf_set_arch_mach
 extern bfd_boolean _bfd_elf_find_nearest_line
   (bfd *, asection *, asymbol **, bfd_vma, const char **, const char **,
    unsigned int *);
 extern bfd_boolean _bfd_elf_find_nearest_line
   (bfd *, asection *, asymbol **, bfd_vma, const char **, const char **,
    unsigned int *);

+extern bfd_boolean _bfd_elf_find_line
+  (bfd *, asymbol **, asymbol *, const char **, unsigned int *);
+#define _bfd_generic_find_line _bfd_elf_find_line
+extern bfd_boolean _bfd_elf_find_inliner_info
+  (bfd *, const char **, const char **, unsigned int *);

 #define _bfd_elf_read_minisymbols _bfd_generic_read_minisymbols
 #define _bfd_elf_minisymbol_to_symbol _bfd_generic_minisymbol_to_symbol
 extern int _bfd_elf_sizeof_headers
 #define _bfd_elf_read_minisymbols _bfd_generic_read_minisymbols
 #define _bfd_elf_minisymbol_to_symbol _bfd_generic_minisymbol_to_symbol
 extern int _bfd_elf_sizeof_headers

-  (bfd *, bfd_boolean);
+  (bfd *, struct bfd_link_info *);

 extern bfd_boolean _bfd_elf_new_section_hook
   (bfd *, asection *);
 extern bfd_boolean _bfd_elf_init_reloc_shdr
   (bfd *, Elf_Internal_Shdr *, asection *, bfd_boolean);
 extern bfd_boolean _bfd_elf_new_section_hook
   (bfd *, asection *);
 extern bfd_boolean _bfd_elf_init_reloc_shdr
   (bfd *, Elf_Internal_Shdr *, asection *, bfd_boolean);

+extern const struct bfd_elf_special_section *_bfd_elf_get_special_section
+  (const char *, const struct bfd_elf_special_section *, unsigned int);

 extern const struct bfd_elf_special_section *_bfd_elf_get_sec_type_attr
 extern const struct bfd_elf_special_section *_bfd_elf_get_sec_type_attr

-  (bfd *, const char *);
+  (bfd *, asection *);

 
 /* If the target doesn't have reloc handling written yet:  */
 extern void _bfd_elf_no_info_to_howto
 
 /* If the target doesn't have reloc handling written yet:  */
 extern void _bfd_elf_no_info_to_howto


@@ -1559,6 +1655,8 @@ extern bfd_boolean _bfd_elf_merge_symbol
    struct elf_link_hash_entry **, bfd_boolean *,
    bfd_boolean *, bfd_boolean *, bfd_boolean *);
 
    struct elf_link_hash_entry **, bfd_boolean *,
    bfd_boolean *, bfd_boolean *, bfd_boolean *);
 

+extern bfd_boolean _bfd_elf_hash_symbol (struct elf_link_hash_entry *);
+

 extern bfd_boolean _bfd_elf_add_default_symbol
   (bfd *, struct bfd_link_info *, struct elf_link_hash_entry *,
    const char *, Elf_Internal_Sym *, asection **, bfd_vma *,
 extern bfd_boolean _bfd_elf_add_default_symbol
   (bfd *, struct bfd_link_info *, struct elf_link_hash_entry *,
    const char *, Elf_Internal_Sym *, asection **, bfd_vma *,


@@ -1593,6 +1691,12 @@ extern bfd_boolean _bfd_elf_create_dynamic_sections
   (bfd *, struct bfd_link_info *);
 extern bfd_boolean _bfd_elf_create_got_section
   (bfd *, struct bfd_link_info *);
   (bfd *, struct bfd_link_info *);
 extern bfd_boolean _bfd_elf_create_got_section
   (bfd *, struct bfd_link_info *);

+extern struct elf_link_hash_entry *_bfd_elf_define_linkage_sym
+  (bfd *, struct bfd_link_info *, asection *, const char *);
+extern void _bfd_elf_init_1_index_section
+  (bfd *, struct bfd_link_info *);
+extern void _bfd_elf_init_2_index_sections
+  (bfd *, struct bfd_link_info *);

 
 extern bfd_boolean _bfd_elfcore_make_pseudosection
   (bfd *, char *, size_t, ufile_ptr);
 
 extern bfd_boolean _bfd_elfcore_make_pseudosection
   (bfd *, char *, size_t, ufile_ptr);


@@ -1625,9 +1729,9 @@ extern bfd_boolean _bfd_elf_symbol_refs_local_p
   (struct elf_link_hash_entry *, struct bfd_link_info *, bfd_boolean);
 
 extern bfd_boolean bfd_elf_match_symbols_in_sections
   (struct elf_link_hash_entry *, struct bfd_link_info *, bfd_boolean);
 
 extern bfd_boolean bfd_elf_match_symbols_in_sections

-  (asection *sec1, asection *sec2);
+  (asection *, asection *, struct bfd_link_info *);

 
 

-extern bfd_boolean _bfd_elf_setup_group_pointers
+extern bfd_boolean _bfd_elf_setup_sections

   (bfd *);
 
 extern const bfd_target *bfd_elf32_object_p
   (bfd *);
 
 extern const bfd_target *bfd_elf32_object_p


@@ -1641,7 +1745,7 @@ extern int bfd_elf32_core_file_failing_signal
 extern bfd_boolean bfd_elf32_core_file_matches_executable_p
   (bfd *, bfd *);
 
 extern bfd_boolean bfd_elf32_core_file_matches_executable_p
   (bfd *, bfd *);
 

-extern void bfd_elf32_swap_symbol_in
+extern bfd_boolean bfd_elf32_swap_symbol_in

   (bfd *, const void *, const void *, Elf_Internal_Sym *);
 extern void bfd_elf32_swap_symbol_out
   (bfd *, const Elf_Internal_Sym *, void *, void *);
   (bfd *, const void *, const void *, Elf_Internal_Sym *);
 extern void bfd_elf32_swap_symbol_out
   (bfd *, const Elf_Internal_Sym *, void *, void *);


@@ -1683,7 +1787,7 @@ extern int bfd_elf64_core_file_failing_signal
 extern bfd_boolean bfd_elf64_core_file_matches_executable_p
   (bfd *, bfd *);
 
 extern bfd_boolean bfd_elf64_core_file_matches_executable_p
   (bfd *, bfd *);
 

-extern void bfd_elf64_swap_symbol_in
+extern bfd_boolean bfd_elf64_swap_symbol_in

   (bfd *, const void *, const void *, Elf_Internal_Sym *);
 extern void bfd_elf64_swap_symbol_out
   (bfd *, const Elf_Internal_Sym *, void *, void *);
   (bfd *, const void *, const void *, Elf_Internal_Sym *);
 extern void bfd_elf64_swap_symbol_out
   (bfd *, const Elf_Internal_Sym *, void *, void *);


@@ -1727,9 +1831,22 @@ extern bfd_boolean bfd_elf_link_record_dynamic_symbol
 extern int bfd_elf_link_record_local_dynamic_symbol
   (struct bfd_link_info *, bfd *, long);
 
 extern int bfd_elf_link_record_local_dynamic_symbol
   (struct bfd_link_info *, bfd *, long);
 

+extern void bfd_elf_link_mark_dynamic_symbol
+  (struct bfd_link_info *, struct elf_link_hash_entry *,
+   Elf_Internal_Sym *);
+

 extern bfd_boolean _bfd_elf_close_and_cleanup
   (bfd *);
 
 extern bfd_boolean _bfd_elf_close_and_cleanup
   (bfd *);
 

+extern bfd_boolean _bfd_elf_common_definition
+  (Elf_Internal_Sym *);
+
+extern unsigned int _bfd_elf_common_section_index
+  (asection *);
+
+extern asection *_bfd_elf_common_section
+  (asection *);
+

 extern void _bfd_dwarf2_cleanup_debug_info
   (bfd *);
 
 extern void _bfd_dwarf2_cleanup_debug_info
   (bfd *);
 


@@ -1740,6 +1857,9 @@ extern bfd_reloc_status_type _bfd_elf_rel_vtable_reloc_fn
 extern bfd_boolean bfd_elf_final_link
   (bfd *, struct bfd_link_info *);
 
 extern bfd_boolean bfd_elf_final_link
   (bfd *, struct bfd_link_info *);
 

+extern bfd_boolean bfd_elf_gc_mark_dynamic_ref_symbol
+  (struct elf_link_hash_entry *h, void *inf);
+

 extern bfd_boolean bfd_elf_gc_sections
   (bfd *, struct bfd_link_info *);
 
 extern bfd_boolean bfd_elf_gc_sections
   (bfd *, struct bfd_link_info *);
 


@@ -1749,6 +1869,10 @@ extern bfd_boolean bfd_elf_gc_record_vtinherit
 extern bfd_boolean bfd_elf_gc_record_vtentry
   (bfd *, asection *, struct elf_link_hash_entry *, bfd_vma);
 
 extern bfd_boolean bfd_elf_gc_record_vtentry
   (bfd *, asection *, struct elf_link_hash_entry *, bfd_vma);
 

+extern asection *_bfd_elf_gc_mark_hook
+  (asection *, struct bfd_link_info *, Elf_Internal_Rela *,
+   struct elf_link_hash_entry *, Elf_Internal_Sym *);
+

 extern bfd_boolean _bfd_elf_gc_mark
   (struct bfd_link_info *, asection *,
    asection * (*) (asection *, struct bfd_link_info *, Elf_Internal_Rela *,
 extern bfd_boolean _bfd_elf_gc_mark
   (struct bfd_link_info *, asection *,
    asection * (*) (asection *, struct bfd_link_info *, Elf_Internal_Rela *,


@@ -1763,10 +1887,12 @@ extern bfd_boolean bfd_elf_gc_common_final_link
 extern bfd_boolean bfd_elf_reloc_symbol_deleted_p
   (bfd_vma, void *);
 
 extern bfd_boolean bfd_elf_reloc_symbol_deleted_p
   (bfd_vma, void *);
 

-extern struct elf_segment_map *
-_bfd_elf_make_dynamic_segment
+extern struct elf_segment_map * _bfd_elf_make_dynamic_segment

   (bfd *, asection *);
 
   (bfd *, asection *);
 

+extern bfd_boolean _bfd_elf_map_sections_to_segments
+  (bfd *, struct bfd_link_info *);
+

 /* Exported interface for writing elf corefile notes. */
 extern char *elfcore_write_note
   (bfd *, char *, int *, const char *, int, const void *, int);
 /* Exported interface for writing elf corefile notes. */
 extern char *elfcore_write_note
   (bfd *, char *, int *, const char *, int, const void *, int);


@@ -1790,6 +1916,9 @@ extern bfd *_bfd_elf64_bfd_from_remote_memory
   (bfd *templ, bfd_vma ehdr_vma, bfd_vma *loadbasep,
    int (*target_read_memory) (bfd_vma, bfd_byte *, int));
 
   (bfd *templ, bfd_vma ehdr_vma, bfd_vma *loadbasep,
    int (*target_read_memory) (bfd_vma, bfd_byte *, int));
 

+/* Large common section.  */
+extern asection _bfd_elf_large_com_section;
+

 /* SH ELF specific routine.  */
 
 extern bfd_boolean _sh_elf_set_mach_from_flags
 /* SH ELF specific routine.  */
 
 extern bfd_boolean _sh_elf_set_mach_from_flags


@@ -1862,4 +1991,9 @@ extern bfd_boolean _sh_elf_set_mach_from_flags
     }                                                                  \
   while (0)
 
     }                                                                  \
   while (0)
 

+/* Will a symbol be bound to the the definition within the shared
+   library, if any.  */
+#define SYMBOLIC_BIND(INFO, H) \
+    ((INFO)->symbolic || ((INFO)->dynamic && !(H)->dynamic))
+

 #endif /* _LIBELF_H_ */
 #endif /* _LIBELF_H_ */