From afc06bb8287c9a5c81be4810fd0384e952dd19ea Mon Sep 17 00:00:00 2001
From: Ian Lance Taylor <ian@airs.com>
Date: Tue, 24 Mar 2009 19:08:37 +0000
Subject: 	* yyscript.y (file_cmd): Recognize EXTERN. 
 (extern_name_list, extern_name_list_body): New nonterminals. 	* script.cc
 (script_add_extern): Define. 	* script-c.h (script_add_extern): Declare.

---
 gold/script.cc | 13 +++++++++++++
 1 file changed, 13 insertions(+)

(limited to 'gold/script.cc')

diff --git a/gold/script.cc b/gold/script.cc
index 44e43f7..30b4e3c 100644
--- a/gold/script.cc
+++ b/gold/script.cc
@@ -2119,6 +2119,19 @@ yyerror(void* closurev, const char* message)
 	     closure->charpos(), message);
 }
 
+// Called by the bison parser to add an external symbol to the link.
+
+extern "C" void
+script_add_extern(void* closurev, const char* name, size_t length)
+{
+  // We treat exactly like -u NAME.  FIXME: If it seems useful, we
+  // could handle this after the command line has been read, by adding
+  // entries to the symbol table directly.
+  std::string arg("--undefined=");
+  arg.append(name, length);
+  script_parse_option(closurev, arg.c_str(), arg.size());
+}
+
 // Called by the bison parser to add a file to the link.
 
 extern "C" void
-- 
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