Plugin API to get the list of wrap symbols.

This was approved for the binutils gold linker.
2018-05-01  Sriraman Tallam  <tmsriram@google.com>

	* plugin-api.h: Add plugin API to get the list of wrap
	symbols.

From-SVN: r259820

include/ChangeLog

+2018-05-01  Sriraman Tallam  <tmsriram@google.com>
+
+	* plugin-api.h: Add plugin API to get the list of wrap
+	symbols.
+
 2018-02-09  Alexandre Oliva <aoliva@redhat.com>
 
 	* dwarf2.def (DW_AT_GNU_entry_view): New.

include/plugin-api.h

@@ -378,6 +378,14 @@ typedef
 enum ld_plugin_status
 (*ld_plugin_register_new_input) (ld_plugin_new_input_handler handler);
 
+/* The linker's interface for getting the list of wrapped symbols using the
+   --wrap option. This sets *NUM_SYMBOLS to number of wrapped symbols and
+   *WRAP_SYMBOL_LIST to the list of wrapped symbols. */
+
+typedef
+enum ld_plugin_status
+(*ld_plugin_get_wrap_symbols) (uint64_t *num_symbols,
+                               const char ***wrap_symbol_list);
 
 enum ld_plugin_level
 {
@@ -422,7 +430,8 @@ enum ld_plugin_tag
   LDPT_GET_SYMBOLS_V3 = 28,
   LDPT_GET_INPUT_SECTION_ALIGNMENT = 29,
   LDPT_GET_INPUT_SECTION_SIZE = 30,
-  LDPT_REGISTER_NEW_INPUT_HOOK = 31
+  LDPT_REGISTER_NEW_INPUT_HOOK = 31,
+  LDPT_GET_WRAP_SYMBOLS = 32
 };
 
 /* The plugin transfer vector.  */
@@ -457,6 +466,7 @@ struct ld_plugin_tv
     ld_plugin_get_input_section_alignment tv_get_input_section_alignment;
     ld_plugin_get_input_section_size tv_get_input_section_size;
     ld_plugin_register_new_input tv_register_new_input;
+    ld_plugin_get_wrap_symbols tv_get_wrap_symbols;
   } tv_u;
 };