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[platform/upstream/binutils.git] / include / bfdlink.h

diff --git a/include/bfdlink.h b/include/bfdlink.h
index 3ff1c92..f3181ba 100644 (file)
--- a/include/bfdlink.h
+++ b/include/bfdlink.h
@@ -1,7 +1,5 @@
 /* bfdlink.h -- header file for BFD link routines
-   Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
-   2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
-   Free Software Foundation, Inc.
+   Copyright (C) 1993-2014 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.
@@ -169,6 +167,8 @@ 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;
+  /* 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;
 };
@@ -188,6 +188,12 @@ extern struct bfd_link_hash_entry *bfd_wrapped_link_hash_lookup
   (bfd *, struct bfd_link_info *, const char *, bfd_boolean,
    bfd_boolean, bfd_boolean);
 
+/* If H is a wrapped symbol, ie. the symbol name starts with "__wrap_"
+   and the remainder is found in wrap_hash, return the real symbol.  */
+
+extern struct bfd_link_hash_entry *unwrap_hash_lookup
+  (struct bfd_link_info *, bfd *, struct bfd_link_hash_entry *);
+
 /* Traverse a link hash table.  */
 extern void bfd_link_hash_traverse
   (struct bfd_link_hash_table *,
@@ -286,6 +292,9 @@ struct bfd_link_info
      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;
 
@@ -408,6 +417,9 @@ struct bfd_link_info
   /* 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.  */
@@ -420,6 +432,24 @@ struct bfd_link_info
      means explicitly zero-sized.  */
   bfd_signed_vma stacksize;
 
+  /* Enable or disable target specific optimizations.
+
+     Not all targets have optimizations to enable.
+
+     Normally these optimizations are disabled by default but some targets
+     prefer to enable them by default.  So this field is a tri-state variable.
+     The values are:
+     
+     zero: Enable the optimizations (either from --relax being specified on
+       the command line or the backend's before_allocation emulation function.
+       
+     positive: The user has requested that these optimizations be disabled.
+       (Via the --no-relax command line option).
+
+     negative: The optimizations are disabled.  (Set when initializing the
+       args_type structure in ldmain.c:main.  */
+  signed int disable_target_specific_optimizations;
+
   /* Function callbacks.  */
   const struct bfd_link_callbacks *callbacks;
 
@@ -447,13 +477,10 @@ struct bfd_link_info
   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;
 
-  /* Non-NULL if .note.gnu.build-id section should be created.  */
-  char *emit_note_gnu_build_id;
-
   /* If a symbol should be created for each input BFD, this is section
      where those symbols should be placed.  It must be a section in
      the output BFD.  It may be NULL, in which case no such symbols
@@ -616,15 +643,14 @@ 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
-     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 *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, ...);