Sync with gcc/libiberty.

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

diff --git a/include/bfdlink.h b/include/bfdlink.h
index 509d626f383c5899344edf0b1358d80876ea325e..add4971df84dd6860169df10b009020e99b659be 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) 1993-2014 Free Software Foundation, Inc.
+   Copyright (C) 1993-2015 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.


@@ -91,8 +91,14 @@ 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;
 
   unsigned int non_ir_ref : 1;
 

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

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


@@ -167,6 +173,8 @@ struct bfd_link_hash_table
   struct bfd_link_hash_entry *undefs;
   /* Entries are added to the tail of the undefs list.  */
   struct bfd_link_hash_entry *undefs_tail;
   struct bfd_link_hash_entry *undefs;
   /* Entries are added to the tail of the undefs list.  */
   struct bfd_link_hash_entry *undefs_tail;

+  /* Function to free the hash table on closing BFD.  */
+  void (*hash_table_free) (bfd *);

   /* The type of the link hash table.  */
   enum bfd_link_hash_table_type type;
 };
   /* The type of the link hash table.  */
   enum bfd_link_hash_table_type type;
 };


@@ -290,6 +298,9 @@ struct bfd_link_info
      callback.  */
   unsigned int notice_all: 1;
 
      callback.  */
   unsigned int notice_all: 1;
 

+  /* TRUE if the LTO plugin is active.  */
+  unsigned int lto_plugin_active: 1;
+

   /* TRUE if we are loading LTO outputs.  */
   unsigned int loading_lto_outputs: 1;
 
   /* TRUE if we are loading LTO outputs.  */
   unsigned int loading_lto_outputs: 1;
 


@@ -412,6 +423,9 @@ 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;
+

   /* 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.  */


@@ -469,7 +483,7 @@ struct bfd_link_info
   bfd *output_bfd;
 
   /* The list of input BFD's involved in the link.  These are chained
   bfd *output_bfd;
 
   /* The list of input BFD's involved in the link.  These are chained

-     together via the link_next field.  */
+     together via the link.next field.  */

   bfd *input_bfds;
   bfd **input_bfds_tail;
 
   bfd *input_bfds;
   bfd **input_bfds_tail;
 


@@ -635,15 +649,14 @@ struct bfd_link_callbacks
     (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

-     defined or referenced.  H is the symbol.  ABFD, SECTION and
-     ADDRESS are the (new) value of the symbol.  If SECTION is
-     bfd_und_section, this is a reference.  FLAGS are the symbol
-     BSF_* flags.  STRING is the name of the symbol to indirect to if
-     the sym is indirect, or the warning string if a warning sym.  */
+     defined or referenced.  H is the symbol, INH the indirect symbol
+     if applicable.  ABFD, SECTION and ADDRESS are the (new) value of
+     the symbol.  If SECTION is bfd_und_section, this is a reference.
+     FLAGS are the symbol BSF_* flags.  */

   bfd_boolean (*notice)
     (struct bfd_link_info *, struct bfd_link_hash_entry *h,
   bfd_boolean (*notice)
     (struct bfd_link_info *, struct bfd_link_hash_entry *h,

-     bfd *abfd, asection *section, bfd_vma address, flagword flags,
-     const char *string);
+     struct bfd_link_hash_entry *inh,
+     bfd *abfd, asection *section, bfd_vma address, flagword flags);

   /* Error or warning link info message.  */
   void (*einfo)
     (const char *fmt, ...);
   /* Error or warning link info message.  */
   void (*einfo)
     (const char *fmt, ...);