* object.h (class Object): Remove target_ field, and target,

sized_target, and set_target methods.
	(Object::sized_target): Remove.
	(class Sized_relobj): Update declarations.  Remove sized_target.
	* object.cc (Sized_relobj::setup): Remove target parameter.
	Change all callers.
	(Input_objects::add_object): Don't do anything with the target.
	(make_elf_sized_object): Add punconfigured parameter.  Change all
	callers.  Set or test parameter target.
	* dynobj.cc (Sized_dynobj::target): Remove target parameter.
	Change all callers.
	* parameters.cc (Parameters::set_target): Change parameter type to
	be non-const.
	(Parameters::default_target): Remove.
	(set_parameters_target): Change parameter type to be non-const.
	(parameters_force_valid_target): New function.
	(parameters_clear_target): New function.
	* parameters.h (class Parameters): Update declarations.  Remove
	default_target method.  Add sized_target and clear_target
	methods.  Change target_ to be non-const.
	(set_parameters_target): Update declaration.
	(parameters_force_valid_target): Declare.
	(parameters_clear_target): Declare.
	* readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
	as NULL if we aren't searching.
	(Add_symbols::run): Don't check for compatible target.
	* fileread.cc (Input_file::open_binary): Call
	parameters_force_valid_target.
	* gold.cc (queue_middle_tasks): Likewise.
	* plugin.cc (make_sized_plugin_object): Likewise.  Don't call
	set_target on object.
	* dynobj.h (class Sized_dynobj): Update declarations.
	* archive.cc (Archive::get_elf_object_for_member): Return NULL if
	make_elf_object returns NULL.
	(Archive::include_member): Don't check whether object target is
	compatible.
	* output.cc (Output_section::add_input_section): Get target from
	parameters.
	(Output_section::relax_input_section): Likewise.
	* reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
	parameters.
	(Sized_relobj::do_scan_relocs): Likewise.
	(Sized_relobj::relocate_sections): Likewise.
	* resolve.cc (Symbol_table::resolve): Likewise.
	* symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
	parameter.  Change all callers.
	(Symbol_table::add_from_object): Get target from parameters.
	(Symbol_table::add_from_relobj): Don't check object target.
	(Symbol_table::add_from_dynobj): Likewise.
	(Symbol_table::define_special_symbol): Get target from
	parameters.
	* symtab.h (class Symbol_table): Update declaration.
	* testsuite/binary_unittest.cc (gold_testsuite): Remove target
	parameter.  Change all callers.  Clear parameter target.
	(Binary_test): Test target here.
	* testsuite/object_unittest.cc (gold_testsuite): Remove
	target_test_pointer parameter.  Change all callers.
	(Object_test): Test target here.

gold/parameters.h

@@ -29,6 +29,8 @@ namespace gold
 class General_options;
 class Errors;
 class Target;
+template<int size, bool big_endian>
+class Sized_target;
 
 // Here we define the Parameters class which simply holds simple
 // general parameters which apply to the entire link.  We use a global
@@ -61,7 +63,7 @@ class Parameters
   set_options(const General_options* options);
 
   void
-  set_target(const Target* target);
+  set_target(Target* target);
 
   void
   set_doing_static_link(bool doing_static_link);
@@ -98,10 +100,20 @@ class Parameters
     return *this->target_;
   }
 
-  // When we don't have an output file to associate a target, make a
-  // default one, with guesses about size and endianness.
-  const Target&
-  default_target() const;
+  // The Sized_target of the output file.  The caller must request the
+  // right size and endianness.
+  template<int size, bool big_endian>
+  Sized_target<size, big_endian>*
+  sized_target() const
+  {
+    gold_assert(this->target_valid());
+    return static_cast<Sized_target<size, big_endian>*>(this->target_);
+  }
+
+  // Clear the target, for testing.
+  void
+  clear_target()
+  { this->target_ = NULL; }
 
   // Return true if TARGET is compatible with the current target.
   bool
@@ -140,7 +152,7 @@ class Parameters
  private:
   Errors* errors_;
   const General_options* options_;
-  const Target* target_;
+  Target* target_;
   bool doing_static_link_valid_;
   bool doing_static_link_;
   int debug_;
@@ -159,11 +171,22 @@ extern void
 set_parameters_options(const General_options* options);
 
 extern void
-set_parameters_target(const Target* target);
+set_parameters_target(Target* target);
 
 extern void
 set_parameters_doing_static_link(bool doing_static_link);
-  
+
+// Ensure that the target to be valid by using the default target if
+// necessary.
+
+extern void
+parameters_force_valid_target();
+
+// Clear the current target, for testing.
+
+extern void
+parameters_clear_target();
+
 // Return whether we are doing a particular debugging type.  The
 // argument is one of the flags from debug.h.