[binutils] Bump binutils to 2.20.1

binutils/include/plugin-api.h

 /* plugin-api.h -- External linker plugin API.  */
 
-/* Copyright 2008 Free Software Foundation, Inc.
+/* Copyright 2009 Free Software Foundation, Inc.
    Written by Cary Coutant <ccoutant@google.com>.
 
    This file is part of binutils.
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 3 of the License, or
    (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,
@@ skipping 90 matching lines @@
   LDPV_PROTECTED,
   LDPV_INTERNAL,
   LDPV_HIDDEN
 };
 
 /* How a symbol is resolved.  */
 
 enum ld_plugin_symbol_resolution
 {
   LDPR_UNKNOWN = 0,
+
+  /* Symbol is still undefined at this point.  */
   LDPR_UNDEF,
+
+  /* This is the prevailing definition of the symbol, with references from
+     regular object code.  */
   LDPR_PREVAILING_DEF,
+
+  /* This is the prevailing definition of the symbol, with no
+     references from regular objects.  It is only referenced from IR
+     code.  */
   LDPR_PREVAILING_DEF_IRONLY,
+
+  /* This definition was pre-empted by a definition in a regular
+     object file.  */
   LDPR_PREEMPTED_REG,
+
+  /* This definition was pre-empted by a definition in another IR file.  */
   LDPR_PREEMPTED_IR,
+
+  /* This symbol was resolved by a definition in another IR file.  */
   LDPR_RESOLVED_IR,
+
+  /* This symbol was resolved by a definition in a regular object
+     linked into the main executable.  */
   LDPR_RESOLVED_EXEC,
+
+  /* This symbol was resolved by a definition in a shared object.  */
   LDPR_RESOLVED_DYN
 };
 
 /* The plugin library's "claim file" handler.  */
 
 typedef
 enum ld_plugin_status
 (*ld_plugin_claim_file_handler) (
   const struct ld_plugin_input_file *file, int *claimed);
 
@@ skipping 55 matching lines @@
 enum ld_plugin_status
 (*ld_plugin_get_symbols) (const void *handle, int nsyms,
                           struct ld_plugin_symbol *syms);
 
 /* The linker's interface for adding a compiled input file.  */
 
 typedef
 enum ld_plugin_status
 (*ld_plugin_add_input_file) (char *pathname);
 
+/* The linker's interface for adding a library that should be searched.  */
+
+typedef
+enum ld_plugin_status
+(*ld_plugin_add_input_library) (char *libname);
+
 /* The linker's interface for issuing a warning or error message.  */
 
 typedef
 enum ld_plugin_status
 (*ld_plugin_message) (int level, const char *format, ...);
 
 enum ld_plugin_level
 {
   LDPL_INFO,
   LDPL_WARNING,
@@ skipping 11 matching lines @@
   LDPT_LINKER_OUTPUT,
   LDPT_OPTION,
   LDPT_REGISTER_CLAIM_FILE_HOOK,
   LDPT_REGISTER_ALL_SYMBOLS_READ_HOOK,
   LDPT_REGISTER_CLEANUP_HOOK,
   LDPT_ADD_SYMBOLS,
   LDPT_GET_SYMBOLS,
   LDPT_ADD_INPUT_FILE,
   LDPT_MESSAGE,
   LDPT_GET_INPUT_FILE,
-  LDPT_RELEASE_INPUT_FILE
+  LDPT_RELEASE_INPUT_FILE,
+  LDPT_ADD_INPUT_LIBRARY
 };
 
 /* The plugin transfer vector.  */
 
 struct ld_plugin_tv
 {
   enum ld_plugin_tag tv_tag;
   union
   {
     int tv_val;
     const char *tv_string;
     ld_plugin_register_claim_file tv_register_claim_file;
     ld_plugin_register_all_symbols_read tv_register_all_symbols_read;
     ld_plugin_register_cleanup tv_register_cleanup;
     ld_plugin_add_symbols tv_add_symbols;
     ld_plugin_get_symbols tv_get_symbols;
     ld_plugin_add_input_file tv_add_input_file;
     ld_plugin_message tv_message;
     ld_plugin_get_input_file tv_get_input_file;
     ld_plugin_release_input_file tv_release_input_file;
+    ld_plugin_add_input_library tv_add_input_library;
   } tv_u;
 };
 
 /* The plugin library's "onload" entry point.  */
 
 typedef
 enum ld_plugin_status
 (*ld_plugin_onload) (struct ld_plugin_tv *tv);
 
 #ifdef __cplusplus
 }
 #endif
 
 #endif /* !defined(PLUGIN_API_H) */