arc: Add support for ARC HS extra registers in core files

[deliverable/binutils-gdb.git] / include / bfdlink.h

diff --git a/include/bfdlink.h b/include/bfdlink.h
index 2ffb3d1ab56e396564aa042e80bf71495d910cf3..ec97679e6f1de2a15202f33b3e153d02813b79ea 100644 (file)
--- a/include/bfdlink.h
+++ b/include/bfdlink.h
@@ -1,5 +1,5 @@
 /* bfdlink.h -- header file for BFD link routines
 /* bfdlink.h -- header file for BFD link routines

-   Copyright (C) 1993-2015 Free Software Foundation, Inc.
+   Copyright (C) 1993-2020 Free Software Foundation, Inc.

    Written by Steve Chamberlain and Ian Lance Taylor, Cygnus Support.
 
    This file is part of BFD, the Binary File Descriptor library.
    Written by Steve Chamberlain and Ian Lance Taylor, Cygnus Support.
 
    This file is part of BFD, the Binary File Descriptor library.


@@ -42,6 +42,21 @@ enum bfd_link_discard
   discard_all          /* Discard all locals.  */
 };
 
   discard_all          /* Discard all locals.  */
 };
 

+enum notice_asneeded_action {
+  notice_as_needed,
+  notice_not_needed,
+  notice_needed
+};
+
+/* Whether to generate ELF common symbols with the STT_COMMON type
+   during a relocatable link.  */
+enum bfd_link_elf_stt_common
+{
+  unchanged,
+  elf_stt_common,
+  no_elf_stt_common
+};
+

 /* Describes the type of hash table entry structure being used.
    Different hash table structure have different fields and so
    support different linking features.  */
 /* Describes the type of hash table entry structure being used.
    Different hash table structure have different fields and so
    support different linking features.  */


@@ -91,14 +106,26 @@ struct bfd_link_hash_entry
   /* Type of this entry.  */
   ENUM_BITFIELD (bfd_link_hash_type) type : 8;
 
   /* Type of this entry.  */
   ENUM_BITFIELD (bfd_link_hash_type) type : 8;
 

-  /* Symbol is referenced in a normal object file, as distict from a LTO
-     IR object file.  */
-  unsigned int non_ir_ref : 1;
+  /* Symbol is referenced in a normal regular object file,
+     as distinct from a LTO IR object file.  */
+  unsigned int non_ir_ref_regular : 1;
+
+  /* Symbol is referenced in a normal dynamic object file,
+     as distinct from a LTO IR object file.  */
+  unsigned int non_ir_ref_dynamic : 1;

 
   /* Symbol is a built-in define.  These will be overridden by PROVIDE
      in a linker script.  */
   unsigned int linker_def : 1;
 
 
   /* Symbol is a built-in define.  These will be overridden by PROVIDE
      in a linker script.  */
   unsigned int linker_def : 1;
 

+  /* Symbol defined in a linker script.  */
+  unsigned int ldscript_def : 1;
+
+  /* Symbol will be converted from absolute to section-relative.  Set for
+     symbols defined by a script from "dot" (also SEGMENT_START or ORIGIN)
+     outside of an output section statement.  */
+  unsigned int rel_from_abs : 1;
+

   /* A union of information depending upon the type.  */
   union
     {
   /* A union of information depending upon the type.  */
   union
     {


@@ -126,21 +153,26 @@ struct bfd_link_hash_entry
             automatically be non-NULL since the symbol will have been on the
             undefined symbol list.  */
          struct bfd_link_hash_entry *next;
             automatically be non-NULL since the symbol will have been on the
             undefined symbol list.  */
          struct bfd_link_hash_entry *next;

-         bfd *abfd;            /* BFD symbol was found in.  */
+         /* BFD symbol was found in.  */
+         bfd *abfd;

        } undef;
       /* bfd_link_hash_defined, bfd_link_hash_defweak.  */
       struct
        {
          struct bfd_link_hash_entry *next;
        } undef;
       /* bfd_link_hash_defined, bfd_link_hash_defweak.  */
       struct
        {
          struct bfd_link_hash_entry *next;

-         asection *section;    /* Symbol section.  */
-         bfd_vma value;        /* Symbol value.  */
+         /* Symbol section.  */
+         asection *section;
+         /* Symbol value.  */
+         bfd_vma value;

        } def;
       /* bfd_link_hash_indirect, bfd_link_hash_warning.  */
       struct
        {
          struct bfd_link_hash_entry *next;
        } def;
       /* bfd_link_hash_indirect, bfd_link_hash_warning.  */
       struct
        {
          struct bfd_link_hash_entry *next;

-         struct bfd_link_hash_entry *link;     /* Real symbol.  */
-         const char *warning;  /* Warning (bfd_link_hash_warning only).  */
+         /* Real symbol.  */
+         struct bfd_link_hash_entry *link;
+         /* Warning message (bfd_link_hash_warning only).  */
+         const char *warning;

        } i;
       /* bfd_link_hash_common.  */
       struct
        } i;
       /* bfd_link_hash_common.  */
       struct


@@ -156,7 +188,8 @@ struct bfd_link_hash_entry
             the union; this structure is a major space user in the
             linker.  */
          struct bfd_link_hash_common_entry *p;
             the union; this structure is a major space user in the
             linker.  */
          struct bfd_link_hash_common_entry *p;

-         bfd_size_type size;   /* Common symbol size.  */
+         /* Common symbol size.  */
+         bfd_size_type size;

        } c;
     } u;
 };
        } c;
     } u;
 };


@@ -217,6 +250,11 @@ extern void bfd_link_repair_undef_list
 /* Read symbols and cache symbol pointer array in outsymbols.  */
 extern bfd_boolean bfd_generic_link_read_symbols (bfd *);
 
 /* Read symbols and cache symbol pointer array in outsymbols.  */
 extern bfd_boolean bfd_generic_link_read_symbols (bfd *);
 

+/* Check the relocs in the BFD.  Called after all the input
+   files have been loaded, and garbage collection has tagged
+   any unneeded sections.  */
+extern bfd_boolean bfd_link_check_relocs (bfd *,struct bfd_link_info *);
+

 struct bfd_sym_chain
 {
   struct bfd_sym_chain *next;
 struct bfd_sym_chain
 {
   struct bfd_sym_chain *next;


@@ -232,8 +270,7 @@ enum report_method
      allowed to set the value.  */
   RM_NOT_YET_SET = 0,
   RM_IGNORE,
      allowed to set the value.  */
   RM_NOT_YET_SET = 0,
   RM_IGNORE,

-  RM_GENERATE_WARNING,
-  RM_GENERATE_ERROR
+  RM_DIAGNOSE,

 };
 
 typedef enum {with_flags, without_flags} flag_type;
 };
 
 typedef enum {with_flags, without_flags} flag_type;


@@ -302,6 +339,9 @@ struct bfd_link_info
   /* TRUE if unreferenced sections should be removed.  */
   unsigned int gc_sections: 1;
 
   /* TRUE if unreferenced sections should be removed.  */
   unsigned int gc_sections: 1;
 

+  /* TRUE if exported symbols should be kept during section gc.  */
+  unsigned int gc_keep_exported: 1;
+

   /* TRUE if every symbol should be reported back via the notice
      callback.  */
   unsigned int notice_all: 1;
   /* TRUE if every symbol should be reported back via the notice
      callback.  */
   unsigned int notice_all: 1;


@@ -315,14 +355,24 @@ struct bfd_link_info
   /* TRUE if all data symbols should be dynamic.  */
   unsigned int dynamic_data: 1;
 
   /* TRUE if all data symbols should be dynamic.  */
   unsigned int dynamic_data: 1;
 

+  /* TRUE if section groups should be resolved.  */
+  unsigned int resolve_section_groups: 1;
+
+  /* Set if output file is big-endian, or if that is unknown, from
+     the command line or first input file endianness.  */
+  unsigned int big_endian : 1;
+

   /* Which symbols to strip.  */
   ENUM_BITFIELD (bfd_link_strip) strip : 2;
 
   /* Which local symbols to discard.  */
   ENUM_BITFIELD (bfd_link_discard) discard : 2;
 
   /* Which symbols to strip.  */
   ENUM_BITFIELD (bfd_link_strip) strip : 2;
 
   /* Which local symbols to discard.  */
   ENUM_BITFIELD (bfd_link_discard) discard : 2;
 

+  /* Whether to generate ELF common symbols with the STT_COMMON type.  */
+  ENUM_BITFIELD (bfd_link_elf_stt_common) elf_stt_common : 2;
+

   /* Criteria for skipping symbols when determining
   /* Criteria for skipping symbols when determining

-     whether to include an object from an archive. */
+     whether to include an object from an archive.  */

   ENUM_BITFIELD (bfd_link_common_skip_ar_symbols) common_skip_ar_symbols : 2;
 
   /* What to do with unresolved symbols in an object file.
   ENUM_BITFIELD (bfd_link_common_skip_ar_symbols) common_skip_ar_symbols : 2;
 
   /* What to do with unresolved symbols in an object file.


@@ -336,6 +386,9 @@ struct bfd_link_info
      The same defaults apply.  */
   ENUM_BITFIELD (report_method) unresolved_syms_in_shared_libs : 2;
 
      The same defaults apply.  */
   ENUM_BITFIELD (report_method) unresolved_syms_in_shared_libs : 2;
 

+  /* TRUE if unresolved symbols are to be warned, rather than errored.  */
+  unsigned int warn_unresolved_syms: 1;
+

   /* TRUE if shared objects should be linked directly, not shared.  */
   unsigned int static_link: 1;
 
   /* TRUE if shared objects should be linked directly, not shared.  */
   unsigned int static_link: 1;
 


@@ -350,6 +403,9 @@ struct bfd_link_info
   /* TRUE if PT_GNU_RELRO segment should be created.  */
   unsigned int relro: 1;
 
   /* TRUE if PT_GNU_RELRO segment should be created.  */
   unsigned int relro: 1;
 

+  /* TRUE if separate code segment should be created.  */
+  unsigned int separate_code: 1;
+

   /* Nonzero if .eh_frame_hdr section and PT_GNU_EH_FRAME ELF segment
      should be created.  1 for DWARF2 tables, 2 for compact tables.  */
   unsigned int eh_frame_hdr_type: 2;
   /* Nonzero if .eh_frame_hdr section and PT_GNU_EH_FRAME ELF segment
      should be created.  1 for DWARF2 tables, 2 for compact tables.  */
   unsigned int eh_frame_hdr_type: 2;


@@ -400,6 +456,9 @@ struct bfd_link_info
   /* TRUE if ok to have multiple definition.  */
   unsigned int allow_multiple_definition: 1;
 
   /* TRUE if ok to have multiple definition.  */
   unsigned int allow_multiple_definition: 1;
 

+  /* TRUE if ok to have prohibit multiple definition of absolute symbols.  */
+  unsigned int prohibit_multiple_definition_absolute: 1;
+

   /* TRUE if ok to have version with no definition.  */
   unsigned int allow_undefined_version: 1;
 
   /* TRUE if ok to have version with no definition.  */
   unsigned int allow_undefined_version: 1;
 


@@ -428,12 +487,30 @@ struct bfd_link_info
   /* TRUE if the linker script contained an explicit PHDRS command.  */
   unsigned int user_phdrs: 1;
 
   /* TRUE if the linker script contained an explicit PHDRS command.  */
   unsigned int user_phdrs: 1;
 

-  /* TRUE if BND prefix in PLT entries is always generated.  */
-  unsigned int bndplt: 1;
+  /* TRUE if program headers ought to be loaded.  */
+  unsigned int load_phdrs: 1;
+
+  /* TRUE if we should check relocations after all input files have
+     been opened.  */
+  unsigned int check_relocs_after_open_input: 1;

 
   /* TRUE if generation of .interp/PT_INTERP should be suppressed.  */
   unsigned int nointerp: 1;
 
 
   /* TRUE if generation of .interp/PT_INTERP should be suppressed.  */
   unsigned int nointerp: 1;
 

+  /* TRUE if common symbols should be treated as undefined.  */
+  unsigned int inhibit_common_definition : 1;
+
+  /* TRUE if "-Map map" is passed to linker.  */
+  unsigned int has_map_file : 1;
+
+  /* TRUE if "--enable-non-contiguous-regions" is passed to the
+     linker.  */
+  unsigned int non_contiguous_regions : 1;
+
+  /* TRUE if "--enable-non-contiguous-regions-warnings" is passed to
+     the linker.  */
+  unsigned int non_contiguous_regions_warnings : 1;
+

   /* Char that may appear as the first char of a symbol, but should be
      skipped (like symbol_leading_char) when looking up symbols in
      wrap_hash.  Used by PowerPC Linux for 'dot' symbols.  */
   /* Char that may appear as the first char of a symbol, but should be
      skipped (like symbol_leading_char) when looking up symbols in
      wrap_hash.  Used by PowerPC Linux for 'dot' symbols.  */


@@ -493,6 +570,9 @@ struct bfd_link_info
   /* The output BFD.  */
   bfd *output_bfd;
 
   /* The output BFD.  */
   bfd *output_bfd;
 

+  /* The import library generated.  */
+  bfd *out_implib_bfd;
+

   /* The list of input BFD's involved in the link.  These are chained
      together via the link.next field.  */
   bfd *input_bfds;
   /* The list of input BFD's involved in the link.  These are chained
      together via the link.next field.  */
   bfd *input_bfds;


@@ -536,6 +616,11 @@ struct bfd_link_info
      backend to decide.  */
   int extern_protected_data;
 
      backend to decide.  */
   int extern_protected_data;
 

+  /* 1 to make undefined weak symbols dynamic when building a dynamic
+     object.  0 to resolve undefined weak symbols to zero.  -1 to let
+     the backend decide.  */
+  int dynamic_undefined_weak;
+

   /* Non-zero if auto-import thunks for DATA items in pei386 DLLs
      should be generated/linked against.  Set to 1 if this feature
      is explicitly requested by the user, -1 if enabled by default.  */
   /* Non-zero if auto-import thunks for DATA items in pei386 DLLs
      should be generated/linked against.  Set to 1 if this feature
      is explicitly requested by the user, -1 if enabled by default.  */


@@ -565,12 +650,13 @@ struct bfd_link_info
   struct bfd_elf_version_tree *version_info;
 };
 
   struct bfd_elf_version_tree *version_info;
 };
 

+/* Some forward-definitions used by some callbacks.  */
+
+struct elf_strtab_hash;
+struct elf_sym_strtab;
+

 /* This structures holds a set of callback functions.  These are called
 /* This structures holds a set of callback functions.  These are called

-   by the BFD linker routines.  Except for the info functions, the first
-   argument to each callback function is the bfd_link_info structure
-   being used and each function returns a boolean value.  If the
-   function returns FALSE, then the BFD function which called it should
-   return with a failure indication.  */
+   by the BFD linker routines.  */

 
 struct bfd_link_callbacks
 {
 
 struct bfd_link_callbacks
 {


@@ -579,14 +665,15 @@ struct bfd_link_callbacks
      name of the symbol which caused the archive element to be pulled
      in.  This function may set *SUBSBFD to point to an alternative
      BFD from which symbols should in fact be added in place of the
      name of the symbol which caused the archive element to be pulled
      in.  This function may set *SUBSBFD to point to an alternative
      BFD from which symbols should in fact be added in place of the

-     original BFD's symbols.  */
+     original BFD's symbols.  Returns TRUE if the object should be
+     added, FALSE if it should be skipped.  */

   bfd_boolean (*add_archive_element)
     (struct bfd_link_info *, bfd *abfd, const char *name, bfd **subsbfd);
   /* A function which is called when a symbol is found with multiple
      definitions.  H is the symbol which is defined multiple times.
      NBFD is the new BFD, NSEC is the new section, and NVAL is the new
      value.  NSEC may be bfd_com_section or bfd_ind_section.  */
   bfd_boolean (*add_archive_element)
     (struct bfd_link_info *, bfd *abfd, const char *name, bfd **subsbfd);
   /* A function which is called when a symbol is found with multiple
      definitions.  H is the symbol which is defined multiple times.
      NBFD is the new BFD, NSEC is the new section, and NVAL is the new
      value.  NSEC may be bfd_com_section or bfd_ind_section.  */

-  bfd_boolean (*multiple_definition)
+  void (*multiple_definition)

     (struct bfd_link_info *, struct bfd_link_hash_entry *h,
      bfd *nbfd, asection *nsec, bfd_vma nval);
   /* A function which is called when a common symbol is defined
     (struct bfd_link_info *, struct bfd_link_hash_entry *h,
      bfd *nbfd, asection *nsec, bfd_vma nval);
   /* A function which is called when a common symbol is defined


@@ -595,7 +682,7 @@ struct bfd_link_callbacks
      symbol, one of bfd_link_hash_defined, bfd_link_hash_common, or
      bfd_link_hash_indirect.  If NTYPE is bfd_link_hash_common, NSIZE
      is the size of the new symbol.  */
      symbol, one of bfd_link_hash_defined, bfd_link_hash_common, or
      bfd_link_hash_indirect.  If NTYPE is bfd_link_hash_common, NSIZE
      is the size of the new symbol.  */

-  bfd_boolean (*multiple_common)
+  void (*multiple_common)

     (struct bfd_link_info *, struct bfd_link_hash_entry *h,
      bfd *nbfd, enum bfd_link_hash_type ntype, bfd_vma nsize);
   /* A function which is called to add a symbol to a set.  ENTRY is
     (struct bfd_link_info *, struct bfd_link_hash_entry *h,
      bfd *nbfd, enum bfd_link_hash_type ntype, bfd_vma nsize);
   /* A function which is called to add a symbol to a set.  ENTRY is


@@ -604,7 +691,7 @@ struct bfd_link_callbacks
      the set when generating a relocatable file, and is also used to
      get the size of the entry when generating an executable file.
      ABFD, SEC and VALUE identify the value to add to the set.  */
      the set when generating a relocatable file, and is also used to
      get the size of the entry when generating an executable file.
      ABFD, SEC and VALUE identify the value to add to the set.  */

-  bfd_boolean (*add_to_set)
+  void (*add_to_set)

     (struct bfd_link_info *, struct bfd_link_hash_entry *entry,
      bfd_reloc_code_real_type reloc, bfd *abfd, asection *sec, bfd_vma value);
   /* A function which is called when the name of a g++ constructor or
     (struct bfd_link_info *, struct bfd_link_hash_entry *entry,
      bfd_reloc_code_real_type reloc, bfd *abfd, asection *sec, bfd_vma value);
   /* A function which is called when the name of a g++ constructor or


@@ -613,7 +700,7 @@ struct bfd_link_callbacks
      destructor.  This will use BFD_RELOC_CTOR when generating a
      relocatable file.  NAME is the name of the symbol found.  ABFD,
      SECTION and VALUE are the value of the symbol.  */
      destructor.  This will use BFD_RELOC_CTOR when generating a
      relocatable file.  NAME is the name of the symbol found.  ABFD,
      SECTION and VALUE are the value of the symbol.  */

-  bfd_boolean (*constructor)
+  void (*constructor)

     (struct bfd_link_info *, bfd_boolean constructor, const char *name,
      bfd *abfd, asection *sec, bfd_vma value);
   /* A function which is called to issue a linker warning.  For
     (struct bfd_link_info *, bfd_boolean constructor, const char *name,
      bfd *abfd, asection *sec, bfd_vma value);
   /* A function which is called to issue a linker warning.  For


@@ -623,7 +710,7 @@ struct bfd_link_callbacks
      there is none.  ABFD, SECTION and ADDRESS identify the location
      which trigerred the warning; either ABFD or SECTION or both may
      be NULL if the location is not known.  */
      there is none.  ABFD, SECTION and ADDRESS identify the location
      which trigerred the warning; either ABFD or SECTION or both may
      be NULL if the location is not known.  */

-  bfd_boolean (*warning)
+  void (*warning)

     (struct bfd_link_info *, const char *warning, const char *symbol,
      bfd *abfd, asection *section, bfd_vma address);
   /* A function which is called when a relocation is attempted against
     (struct bfd_link_info *, const char *warning, const char *symbol,
      bfd *abfd, asection *section, bfd_vma address);
   /* A function which is called when a relocation is attempted against


@@ -631,7 +718,7 @@ struct bfd_link_callbacks
      ABFD, SECTION and ADDRESS identify the location from which the
      reference is made. IS_FATAL indicates whether an undefined symbol is
      a fatal error or not. In some cases SECTION may be NULL.  */
      ABFD, SECTION and ADDRESS identify the location from which the
      reference is made. IS_FATAL indicates whether an undefined symbol is
      a fatal error or not. In some cases SECTION may be NULL.  */

-  bfd_boolean (*undefined_symbol)
+  void (*undefined_symbol)

     (struct bfd_link_info *, const char *name, bfd *abfd,
      asection *section, bfd_vma address, bfd_boolean is_fatal);
   /* A function which is called when a reloc overflow occurs. ENTRY is
     (struct bfd_link_info *, const char *name, bfd *abfd,
      asection *section, bfd_vma address, bfd_boolean is_fatal);
   /* A function which is called when a reloc overflow occurs. ENTRY is


@@ -642,7 +729,7 @@ struct bfd_link_callbacks
      location at which the overflow occurs; if this is the result of a
      bfd_section_reloc_link_order or bfd_symbol_reloc_link_order, then
      ABFD will be NULL.  */
      location at which the overflow occurs; if this is the result of a
      bfd_section_reloc_link_order or bfd_symbol_reloc_link_order, then
      ABFD will be NULL.  */

-  bfd_boolean (*reloc_overflow)
+  void (*reloc_overflow)

     (struct bfd_link_info *, struct bfd_link_hash_entry *entry,
      const char *name, const char *reloc_name, bfd_vma addend,
      bfd *abfd, asection *section, bfd_vma address);
     (struct bfd_link_info *, struct bfd_link_hash_entry *entry,
      const char *name, const char *reloc_name, bfd_vma addend,
      bfd *abfd, asection *section, bfd_vma address);


@@ -652,7 +739,7 @@ struct bfd_link_callbacks
      problem occurred; if this is the result of a
      bfd_section_reloc_link_order or bfd_symbol_reloc_link_order, then
      ABFD will be NULL.  */
      problem occurred; if this is the result of a
      bfd_section_reloc_link_order or bfd_symbol_reloc_link_order, then
      ABFD will be NULL.  */

-  bfd_boolean (*reloc_dangerous)
+  void (*reloc_dangerous)

     (struct bfd_link_info *, const char *message,
      bfd *abfd, asection *section, bfd_vma address);
   /* A function which is called when a reloc is found to be attached
     (struct bfd_link_info *, const char *message,
      bfd *abfd, asection *section, bfd_vma address);
   /* A function which is called when a reloc is found to be attached


@@ -661,7 +748,7 @@ struct bfd_link_callbacks
      the reloc; if this is the result of a
      bfd_section_reloc_link_order or bfd_symbol_reloc_link_order, then
      ABFD will be NULL.  */
      the reloc; if this is the result of a
      bfd_section_reloc_link_order or bfd_symbol_reloc_link_order, then
      ABFD will be NULL.  */

-  bfd_boolean (*unattached_reloc)
+  void (*unattached_reloc)

     (struct bfd_link_info *, const char *name,
      bfd *abfd, asection *section, bfd_vma address);
   /* A function which is called when a symbol in notice_hash is
     (struct bfd_link_info *, const char *name,
      bfd *abfd, asection *section, bfd_vma address);
   /* A function which is called when a symbol in notice_hash is


@@ -689,6 +776,16 @@ struct bfd_link_callbacks
     (struct bfd_link_info *, bfd * abfd,
      asection * current_section, asection * previous_section,
      bfd_boolean new_segment);
     (struct bfd_link_info *, bfd * abfd,
      asection * current_section, asection * previous_section,
      bfd_boolean new_segment);

+  /* This callback provides a chance for callers of the BFD to examine the
+     ELF string table and symbol table once they are complete and indexes and
+     offsets assigned.  */
+  void (*examine_strtab)
+    (struct elf_sym_strtab *syms, bfd_size_type symcount,
+     struct elf_strtab_hash *symstrtab);
+  /* This callback should emit the CTF section into a non-loadable section in
+     the output BFD named .ctf or a name beginning with ".ctf.".  */
+  void (*emit_ctf)
+    (void);

 };
 \f
 /* The linker builds link_order structures which tell the code how to
 };
 \f
 /* The linker builds link_order structures which tell the code how to


@@ -714,9 +811,9 @@ struct bfd_link_order
   struct bfd_link_order *next;
   /* Type of link_order.  */
   enum bfd_link_order_type type;
   struct bfd_link_order *next;
   /* Type of link_order.  */
   enum bfd_link_order_type type;

-  /* Offset within output section.  */
+  /* Offset within output section in bytes.  */

   bfd_vma offset;
   bfd_vma offset;

-  /* Size within output section.  */
+  /* Size within output section in octets.  */

   bfd_size_type size;
   /* Type specific information.  */
   union
   bfd_size_type size;
   /* Type specific information.  */
   union


@@ -790,6 +887,20 @@ struct bfd_link_order_reloc
 /* Allocate a new link_order for a section.  */
 extern struct bfd_link_order *bfd_new_link_order (bfd *, asection *);
 
 /* Allocate a new link_order for a section.  */
 extern struct bfd_link_order *bfd_new_link_order (bfd *, asection *);
 

+struct bfd_section_already_linked;
+
+extern bfd_boolean bfd_section_already_linked_table_init (void);
+extern void bfd_section_already_linked_table_free (void);
+extern bfd_boolean _bfd_handle_already_linked
+  (struct bfd_section *, struct bfd_section_already_linked *,
+   struct bfd_link_info *);
+
+extern struct bfd_section *_bfd_nearby_section
+  (bfd *, struct bfd_section *, bfd_vma);
+
+extern void _bfd_fix_excluded_sec_syms
+  (bfd *, struct bfd_link_info *);
+

 /* These structures are used to describe version information for the
    ELF linker.  These structures could be manipulated entirely inside
    BFD, but it would be a pain.  Instead, the regular linker sets up
 /* These structures are used to describe version information for the
    ELF linker.  These structures could be manipulated entirely inside
    BFD, but it would be a pain.  Instead, the regular linker sets up