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

diff --git a/bfd/elf-bfd.h b/bfd/elf-bfd.h
index b81f440283e0e2980193dea1188feda9f0520a78..4a01fe6ceb6f91127e72332e17451a3cf7593e68 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, 2006 Free Software Foundation, Inc.
+   2002, 2003, 2004, 2005, 2006, 2007 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 *);


@@ -552,6 +538,10 @@ enum action_discarded
     PRETEND = 2
   };
 
     PRETEND = 2
   };
 

+typedef asection * (*elf_gc_mark_hook_fn)
+  (asection *, struct bfd_link_info *, Elf_Internal_Rela *,
+   struct elf_link_hash_entry *, Elf_Internal_Sym *);
+

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


@@ -560,6 +550,9 @@ struct elf_backend_data
   /* The ELF machine code (EM_xxxx) for this backend.  */
   int elf_machine_code;
 
   /* The ELF machine code (EM_xxxx) for this backend.  */
   int elf_machine_code;
 

+  /* EI_OSABI. */
+  int elf_osabi;
+

   /* The maximum page size for this backend.  */
   bfd_vma maxpagesize;
 
   /* The maximum page size for this backend.  */
   bfd_vma maxpagesize;
 


@@ -568,6 +561,9 @@ 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;
 


@@ -722,6 +718,13 @@ 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


@@ -757,6 +760,11 @@ 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.
 


@@ -823,13 +831,18 @@ 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)
   /* This function is called during section garbage collection to
      mark sections that define global symbols.  */
   bfd_boolean (*gc_mark_dynamic_ref)


@@ -837,9 +850,12 @@ struct elf_backend_data
 
   /* This function is called during section gc to discover the section a
      particular relocation refers to.  */
 
   /* This function is called during section gc to discover the section a
      particular relocation refers to.  */

-  asection * (*gc_mark_hook)
-    (asection *sec, struct bfd_link_info *, Elf_Internal_Rela *,
-     struct elf_link_hash_entry *h, Elf_Internal_Sym *);
+  elf_gc_mark_hook_fn gc_mark_hook;
+
+  /* This function, if defined, is called after the first gc marking pass
+     to allow the backend to mark additional sections.  */
+  bfd_boolean (*gc_mark_extra_sections)
+    (struct bfd_link_info *info, elf_gc_mark_hook_fn gc_mark_hook);

 
   /* This function, if defined, is called during the sweep phase of gc
      in order that a backend might update any data structures it might
 
   /* This function, if defined, is called during the sweep phase of gc
      in order that a backend might update any data structures it might


@@ -862,8 +878,16 @@ 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 *,


@@ -883,6 +907,11 @@ 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,
   /* Merge the backend specific symbol attribute.  */
   void (*elf_backend_merge_symbol_attribute)
     (struct elf_link_hash_entry *, const Elf_Internal_Sym *, bfd_boolean,


@@ -905,15 +934,19 @@ struct elf_backend_data
     (asection *, Elf_Internal_Rela *);
 
   /* This function, if defined, is called when an NT_PRSTATUS note is found
     (asection *, Elf_Internal_Rela *);
 
   /* This function, if defined, is called when an NT_PRSTATUS note is found

-     in a core file. */
+     in a core file.  */

   bfd_boolean (*elf_backend_grok_prstatus)
     (bfd *, Elf_Internal_Note *);
 
   /* This function, if defined, is called when an NT_PSINFO or NT_PRPSINFO
   bfd_boolean (*elf_backend_grok_prstatus)
     (bfd *, Elf_Internal_Note *);
 
   /* This function, if defined, is called when an NT_PSINFO or NT_PRPSINFO

-     note is found in a core file. */
+     note is found in a core file.  */

   bfd_boolean (*elf_backend_grok_psinfo)
     (bfd *, Elf_Internal_Note *);
 
   bfd_boolean (*elf_backend_grok_psinfo)
     (bfd *, Elf_Internal_Note *);
 

+  /* This function, if defined, is called to write a note to a corefile.  */
+  char *(*elf_backend_write_core_note)
+    (bfd *abfd, char *buf, int *bufsiz, int note_type, ...);
+

   /* Functions to print VMAs.  Special code to handle 64 bit ELF files.  */
   void (* elf_backend_sprintf_vma)
     (bfd *, char *, bfd_vma);
   /* Functions to print VMAs.  Special code to handle 64 bit ELF files.  */
   void (* elf_backend_sprintf_vma)
     (bfd *, char *, bfd_vma);


@@ -966,7 +999,7 @@ struct elf_backend_data
   /* This function, if defined, may write out the given section.
      Returns TRUE if it did so and FALSE if the caller should.  */
   bfd_boolean (*elf_backend_write_section)
   /* This function, if defined, may write out the given section.
      Returns TRUE if it did so and FALSE if the caller should.  */
   bfd_boolean (*elf_backend_write_section)

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

 
   /* The level of IRIX compatibility we're striving for.
      MIPS ELF specific function.  */
 
   /* The level of IRIX compatibility we're striving for.
      MIPS ELF specific function.  */


@@ -1014,6 +1047,9 @@ struct elf_backend_data
                               bfd_boolean *, bfd_boolean *,
                               bfd *, asection **);
 
                               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;
 


@@ -1080,10 +1116,17 @@ struct elf_backend_data
   unsigned can_refcount : 1;
   unsigned want_got_sym : 1;
   unsigned want_dynbss : 1;
   unsigned can_refcount : 1;
   unsigned want_got_sym : 1;
   unsigned want_dynbss : 1;

-    /* Targets which do not support physical addressing often require
-       that the p_paddr field in the section header to be set to zero.
-       This field indicates whether this behavior is required.  */
+
+  /* Targets which do not support physical addressing often require
+     that the p_paddr field in the section header to be set to zero.
+     This field indicates whether this behavior is required.  */

   unsigned want_p_paddr_set_to_zero : 1;
   unsigned want_p_paddr_set_to_zero : 1;

+
+  /* True if an object file lacking a .note.GNU-stack section
+     should be assumed to be requesting exec stack.  At least one
+     other file in the link needs to have a .note.GNU-stack section
+     for a PT_GNU_STACK segment to be created.  */
+  unsigned default_execstack : 1;

 };
 
 /* Information stored for each BFD section in an ELF file.  This
 };
 
 /* Information stored for each BFD section in an ELF file.  This


@@ -1152,12 +1195,12 @@ 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.  */


@@ -1173,15 +1216,11 @@ struct bfd_elf_section_data
 #define elf_next_in_group(sec) (elf_section_data(sec)->next_in_group)
 #define elf_sec_group(sec)     (elf_section_data(sec)->sec_group)
 
 #define elf_next_in_group(sec) (elf_section_data(sec)->next_in_group)
 #define elf_sec_group(sec)     (elf_section_data(sec)->sec_group)
 

-/* Return TRUE if section has been discarded.  */
-#define elf_discarded_section(sec)                             \
-  (!bfd_is_abs_section (sec)                                   \
-   && bfd_is_abs_section ((sec)->output_section)               \
-   && (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.  */


@@ -1309,6 +1348,7 @@ 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.  */


@@ -1360,6 +1400,9 @@ 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.  */
+  void *symbuf;

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


@@ -1454,6 +1497,8 @@ 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 **);


@@ -1476,10 +1521,13 @@ extern void _bfd_elf_link_hash_copy_indirect
    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
 extern bfd_boolean _bfd_elf_slurp_version_tables
   (bfd *, bfd_boolean);
 extern bfd_boolean _bfd_elf_merge_sections


@@ -1489,11 +1537,11 @@ extern bfd_boolean _bfd_elf_match_sections_by_type
 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
 extern void _bfd_elf_link_just_syms
   (asection *, struct bfd_link_info *);
 extern bfd_boolean _bfd_elf_copy_private_header_data


@@ -1551,7 +1599,7 @@ extern bfd_boolean _bfd_elf_find_inliner_info
 #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
 extern bfd_boolean _bfd_elf_new_section_hook
   (bfd *, asection *);
 extern bfd_boolean _bfd_elf_init_reloc_shdr


@@ -1621,6 +1669,8 @@ 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 *,


@@ -1657,6 +1707,10 @@ 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 *);
   (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);


@@ -1689,11 +1743,23 @@ 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 void bfd_elf_perform_complex_relocation
+  (bfd *                   output_bfd ATTRIBUTE_UNUSED,
+   struct bfd_link_info *  info,
+   bfd *                   input_bfd,
+   asection *              input_section,
+   bfd_byte *              contents,
+   Elf_Internal_Rela *     rel,
+   Elf_Internal_Sym *      local_syms,
+   asection **             local_sections);

 
 extern bfd_boolean _bfd_elf_setup_sections
   (bfd *);
 
 
 extern bfd_boolean _bfd_elf_setup_sections
   (bfd *);
 

+extern void _bfd_elf_set_osabi (bfd * , struct bfd_link_info *);
+

 extern const bfd_target *bfd_elf32_object_p
   (bfd *);
 extern const bfd_target *bfd_elf32_core_file_p
 extern const bfd_target *bfd_elf32_object_p
   (bfd *);
 extern const bfd_target *bfd_elf32_core_file_p


@@ -1705,7 +1771,7 @@ 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 *);


@@ -1747,7 +1813,7 @@ 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 *);


@@ -1791,6 +1857,10 @@ 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 *);
 


@@ -1825,6 +1895,10 @@ 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 *,


@@ -1839,10 +1913,12 @@ 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);


@@ -1925,7 +2001,7 @@ extern bfd_boolean _sh_elf_set_mach_from_flags
       else if (info->unresolved_syms_in_objects == RM_IGNORE           \
               && ELF_ST_VISIBILITY (h->other) == STV_DEFAULT)          \
        ;                                                               \
       else if (info->unresolved_syms_in_objects == RM_IGNORE           \
               && ELF_ST_VISIBILITY (h->other) == STV_DEFAULT)          \
        ;                                                               \

-      else                                                             \
+      else if (!info->relocatable)                                     \

        {                                                               \
          bfd_boolean err;                                              \
          err = (info->unresolved_syms_in_objects == RM_GENERATE_ERROR  \
        {                                                               \
          bfd_boolean err;                                              \
          err = (info->unresolved_syms_in_objects == RM_GENERATE_ERROR  \


@@ -1941,4 +2017,9 @@ 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_ */