PR ld/12001

        * ldlang.c (ldlang_def_chain_list): New variable.  Contains a list
        of symbols defined via the --defsym command line option and
        currently waiting assignment.
        (insert_defined): Add a defined symbol to the symbol table.
        (ldlang_add_def): Add a entry to the ldlang_def_chain_list.
        (lang_place_defineds): Walk ldlang_def_chain_list defining the
        symbols.
        (lang_process): Call lang_place_defineds.
        (lang_add_assignment): If the assignment has come from a --defsym
        command line option then call lang_add_def.

        * ld-script/default-script2.d: Fix expected address for text
        section.

        PR gold/12001
        * script.h (class Symbol_assignment: name): New member.  Returns
        the name of the symbol.
        * scrfipt.cc (Script_options::is_pending_assignment): New member.
        Returns true if the given symbol name is on the list of
        assignments wating to be processed.
        * archive.cc (should_incldue_member): If the symbol is undefined,
        check to see if it is on the list of symbols pending assignment.

4 files changed, 37 insertions, 0 deletions

diff --git a/gold/ChangeLog b/gold/ChangeLog
index caae10c..53bc363 100644
--- a/gold/ChangeLog
+++ b/gold/ChangeLog
@@ -1,3 +1,14 @@
+2010-11-03  Nick Clifton  <nickc@redhat.com>
+
+	PR gold/12001
+	* script.h (class Symbol_assignment: name): New member.  Returns
+	the name of the symbol.
+	* scrfipt.cc (Script_options::is_pending_assignment): New member.
+	Returns true if the given symbol name is on the list of
+	assignments wating to be processed.
+	* archive.cc (should_incldue_member): If the symbol is undefined,
+	check to see if it is on the list of symbols pending assignment.
+
 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
 
 	* script-sections.cc (Script_sections::find_memory_region): Check
diff --git a/gold/archive.cc b/gold/archive.cc
index 541a494..a289e5e 100644
--- a/gold/archive.cc
+++ b/gold/archive.cc
@@ -671,6 +671,10 @@ Archive::should_include_member(Symbol_table* symtab, Layout* layout,
     }
   else if (!sym->is_undefined())
     return Archive::SHOULD_INCLUDE_NO;
+  // PR 12001: Do not include an archive when the undefined
+  // symbol has actually been defined on the command line.
+  else if (layout->script_options()->is_pending_assignment(sym_name))
+    return Archive::SHOULD_INCLUDE_NO;
   else if (sym->binding() == elfcpp::STB_WEAK)
     return Archive::SHOULD_INCLUDE_UNKNOWN;
 
diff --git a/gold/script.cc b/gold/script.cc
index b92f85c..ada9abc 100644
--- a/gold/script.cc
+++ b/gold/script.cc
@@ -1050,6 +1050,20 @@ Script_options::Script_options()
 {
 }
 
+// Returns true if NAME is on the list of symbol assignments waiting
+// to be processed.
+
+bool
+Script_options::is_pending_assignment(const char* name)
+{
+  for (Symbol_assignments::iterator p = this->symbol_assignments_.begin();
+       p != this->symbol_assignments_.end();
+       ++p)
+    if ((*p)->name() == name)
+      return true;
+  return false;
+}
+
 // Add a symbol to be defined.
 
 void
diff --git a/gold/script.h b/gold/script.h
index 70e3a59..e1134ca 100644
--- a/gold/script.h
+++ b/gold/script.h
@@ -345,6 +345,10 @@ class Symbol_assignment
   set_if_absolute(Symbol_table*, const Layout*, bool is_dot_available,
 		  uint64_t dot_value);
 
+  const std::string&
+  name() const
+  { return this->name_; }
+
   // Print the assignment to the FILE.  This is for debugging.
   void
   print(FILE*) const;
@@ -423,6 +427,10 @@ class Script_options
   add_symbol_assignment(const char* name, size_t length, bool is_defsym,
 			Expression* value, bool provide, bool hidden);
 
+  // Look for an assigned symbol.
+  bool
+  is_pending_assignment(const char* name);
+  
   // Add a reference to a symbol.
   void
   add_symbol_reference(const char* name, size_t length);