Remove empty class Merge_map.

2015-03-02  Rafael Ávila de Espíndola <rafael.espindola@gmail.com>

	* ehframe.cc (Cie::set_output_offset): Pass in and use a
	Output_section_data instead of a Merge_map.
	(Eh_frame::Eh_frame): Don't initialize merge_map_.
	(Eh_frame::read_cie): Use add_merge_mapping instead of
	Merge_map::add_mapping.
	(Eh_frame::read_fde): Ditto.
	(Eh_frame::set_final_data_size): Use this instead of this->merge_map_.
	(Eh_frame::do_output_offset): Use merge_output_offset istead of
	merge_map_->get_output_offset.
	(Eh_frame::do_is_merge_section_for): Delete.
	* ehframe.h (Fde::add_mapping): Pass in and use a Output_section_data
	instead of a Merge_map.
	(Cie::set_output_offset): Pass in a Output_section_data instead of a
	Merge_map.
	(Eh_frame::do_is_merge_section_for): Delete.
	(Eh_frame::merge_map_): Delete.
	* merge.cc (Object_merge_map::get_or_make_input_merge_map): Pass in
	and use a Output_section_data instead of a Merge_map.
	(Object_merge_map::add_mapping): Ditto.
	(Object_merge_map::get_output_offset): Remove the merge_map argument.
	(Object_merge_map::is_merge_section_for): Pass in and use a
	Output_section_data instead of a Merge_map.
	(Merge_map): Delete.
	(Output_merge_base::do_output_offset): Use merge_output_offset instead
	of merge_map_.get_output_offset.
	(Output_merge_base::do_is_merge_section_for): Delete.
	(Output_merge_data::do_add_input_section): Use
	object->add_merge_mapping instead of add_mapping.
	(Output_merge_string<Char_type>::finalize_merged_data): Ditto.
	* merge.h (Merge_map): Delete forward declaration.
	(Object_merge_map::add_mapping): Pass in and use a Output_section_data
	instead of a Merge_map.
	(Object_merge_map::get_output_offset): Remove the merge_map argument.
	(Object_merge_map::is_merge_section_for): Pass in and use a
	Output_section_data instead of a Merge_map.
	(Input_merge_map::Object_merge_map::merge_map): Replace with
	output_data.
	(Object_merge_map::get_or_make_input_merge_map): Pass in and use a
	Output_section_data instead of a Merge_map.
	(Merge_map): Delete.
	(Output_merge_base::Output_merge_base): Don't initialize merge_map_.
	(Output_merge_base::do_is_merge_section_for): Delete.
	(Output_merge_base::add_mapping): Delete.
	(Output_merge_base::merge_map_): Delete.
	* object.cc (Relobj::initialize_input_to_output_map): New.
	(Relobj::initialize_input_to_output_map): New.
	(Relobj::merge_output_offset): New.
	(Relobj::is_merge_section_for): New.
	(Relobj::initialize_input_to_output_map): Instantiate for 32 and 64
	bits.
	* object.h (Relobj::merge_map): Delete.
	(initialize_input_to_output_map): New.
	(set_merge_map): Delete.
	(add_merge_mapping): New.
	(merge_output_offset): New.
	(is_merge_section_for): New.
	* output.cc (Output_section::Input_section::is_merge_section_for):
	Use object->is_merge_section_for.
	* output.h (Output_section_data::is_merge_section_for): Delete.
	(Output_section_data::do_is_merge_section_for): Delete.
	* reloc.cc (Merged_symbol_value<size>::initialize_input_to_output_map):
	Use object->initialize_input_to_output_map.
	(Merged_symbol_value<size>::value_from_output_section): Use
	object->merge_output_offset.

1 files changed, 4 insertions, 9 deletions

diff --git a/gold/ehframe.h b/gold/ehframe.h
index aa2bd31ab8..bb47381d18 100644
--- a/gold/ehframe.h
+++ b/gold/ehframe.h
@@ -192,10 +192,11 @@ class Fde
   // Add a mapping for this FDE to MERGE_MAP, so that relocations
   // against the FDE are applied to right part of the output file.
   void
-  add_mapping(section_offset_type output_offset, Merge_map* merge_map) const
+  add_mapping(section_offset_type output_offset,
+              Output_section_data* output_data) const
   {
     if (this->object_ != NULL)
-      merge_map->add_mapping(this->object_, this->u_.from_object.shndx,
+      this->object_->add_merge_mapping(output_data, this->u_.from_object.shndx,
 			     this->u_.from_object.input_offset, this->length(),
 			     output_offset);
   }
@@ -308,7 +309,7 @@ class Cie
   // mapping.  It returns the new output offset.
   section_offset_type
   set_output_offset(section_offset_type output_offset, unsigned int addralign,
-		    Merge_map*);
+		    Output_section_data*);
 
   // Write the CIE to OVIEW starting at OFFSET.  Round up the bytes to
   // ADDRALIGN.  ADDRESS is the virtual address of OVIEW.
@@ -406,10 +407,6 @@ class Eh_frame : public Output_section_data
 		   section_offset_type offset,
 		   section_offset_type* poutput) const;
 
-  // Return whether this is the merge section for an input section.
-  bool
-  do_is_merge_section_for(const Relobj*, unsigned int shndx) const;
-
   // Write the data to the file.
   void
   do_write(Output_file*);
@@ -504,8 +501,6 @@ class Eh_frame : public Output_section_data
   // A mapping from unmergeable CIEs to their offset in the output
   // file.
   Unmergeable_cie_offsets unmergeable_cie_offsets_;
-  // A mapping from input sections to the output section.
-  Merge_map merge_map_;
   // Whether we have created the mappings to the output section.
   bool mappings_are_done_;
   // The final data size.  This is only set if mappings_are_done_ is