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, 63 insertions, 0 deletions

diff --git a/gold/object.cc b/gold/object.cc
index c90b67e..7286e5a 100644
--- a/gold/object.cc
+++ b/gold/object.cc
@@ -41,6 +41,7 @@
 #include "plugin.h"
 #include "compressed_output.h"
 #include "incremental.h"
+#include "merge.h"
 
 namespace gold
 {
@@ -268,6 +269,50 @@ Object::handle_split_stack_section(const char* name)
 
 // Class Relobj
 
+template<int size>
+void
+Relobj::initialize_input_to_output_map(unsigned int shndx,
+	  typename elfcpp::Elf_types<size>::Elf_Addr starting_address,
+	  Unordered_map<section_offset_type,
+	  typename elfcpp::Elf_types<size>::Elf_Addr>* output_addresses) const {
+  Object_merge_map *map = this->object_merge_map_;
+  map->initialize_input_to_output_map<size>(shndx, starting_address,
+					    output_addresses);
+}
+
+void
+Relobj::add_merge_mapping(Output_section_data *output_data,
+                          unsigned int shndx, section_offset_type offset,
+                          section_size_type length,
+                          section_offset_type output_offset) {
+  if (this->object_merge_map_ == NULL)
+    {
+      this->object_merge_map_ =  new Object_merge_map();
+    }
+
+  this->object_merge_map_->add_mapping(output_data, shndx, offset, length,
+				       output_offset);
+}
+
+bool
+Relobj::merge_output_offset(unsigned int shndx, section_offset_type offset,
+                            section_offset_type *poutput) const {
+  Object_merge_map* object_merge_map = this->object_merge_map_;
+  if (object_merge_map == NULL)
+    return false;
+  return object_merge_map->get_output_offset(shndx, offset, poutput);
+}
+
+bool
+Relobj::is_merge_section_for(const Output_section_data* output_data,
+                             unsigned int shndx) const {
+  Object_merge_map* object_merge_map = this->object_merge_map_;
+  if (object_merge_map == NULL)
+    return false;
+  return object_merge_map->is_merge_section_for(output_data, shndx);
+
+}
+
 // To copy the symbols data read from the file to a local data structure.
 // This function is called from do_layout only while doing garbage
 // collection.
@@ -3209,6 +3254,24 @@ make_elf_object(const std::string& name, Input_file* input_file, off_t offset,
 
 // Instantiate the templates we need.
 
+#if defined(HAVE_TARGET_64_LITTLE) || defined(HAVE_TARGET_64_BIG)
+template
+void
+Relobj::initialize_input_to_output_map<64>(unsigned int shndx,
+      typename elfcpp::Elf_types<64>::Elf_Addr starting_address,
+      Unordered_map<section_offset_type,
+      typename elfcpp::Elf_types<64>::Elf_Addr>* output_addresses) const;
+#endif
+
+#if defined(HAVE_TARGET_32_LITTLE) || defined(HAVE_TARGET_32_BIG)
+template
+void
+Relobj::initialize_input_to_output_map<32>(unsigned int shndx,
+      typename elfcpp::Elf_types<32>::Elf_Addr starting_address,
+      Unordered_map<section_offset_type,
+      typename elfcpp::Elf_types<32>::Elf_Addr>* output_addresses) const;
+#endif
+
 #ifdef HAVE_TARGET_32_LITTLE
 template
 void