elfcpp/ChangeLog:

	* elfcpp.h (enum SHT): Add SHT_GNU_INCREMENTAL_GOT_PLT.

gold/ChangeLog:

	* arm.cc (Target_arm::got_size): Add const.
	(Target_arm::got_entry_count): New function.
	(Target_arm::plt_entry_count): New function.
	(Target_arm::first_plt_entry_offset): New function.
	(Target_arm::plt_entry_size): New function.
	(Output_data_plt_arm::entry_count): New function.
	(Output_data_plt_arm::first_plt_entry_offset): New function.
	(Output_data_plt_arm::get_plt_entry_size): New function.
	* i386.cc (Target_i386::got_size): Add const.
	(Target_i386::got_entry_count): New function.
	(Target_i386::plt_entry_count): New function.
	(Target_i386::first_plt_entry_offset): New function.
	(Target_i386::plt_entry_size): New function.
	(Output_data_plt_i386::entry_count): New function.
	(Output_data_plt_i386::first_plt_entry_offset): New function.
	(Output_data_plt_i386::get_plt_entry_size): New function.
	* incremental-dump.cc (dump_incremental_inputs): Adjust call to
	find_incremental_inputs_sections.  Dump incremental_got_plt section.
	* incremental.cc: Include target.h.
	(Sized_incremental_binary::do_find_incremental_inputs_sections): Add
	parameter.  Adjust all callers.  Find incremental_got_plt section.
	(Incremental_inputs::create_data_sections): Create incremental_got_plt
	section.
	(Output_section_incremental_inputs::set_final_data_size): Calculate
	size of incremental_got_plt section.
	(Output_section_incremental_inputs::do_write): Write the
	incremental_got_plt section.
	(Got_plt_view_info): New struct.
	(Local_got_offset_visitor): New class.
	(Global_got_offset_visitor): New class.
	(Global_symbol_visitor_got_plt): New class.
	(Output_section_incremental_inputs::write_got_plt): New function.
	* incremental.h (Incremental_binary::find_incremental_inputs_sections):
	Add parameter.  Adjust all callers.
	(Incremental_binary::do_find_incremental_inputs_sections): Likewise.
	(Incremental_inputs::got_plt_section): New function.
	(Incremental_inputs::got_plt_section_): New data member.
	(Incremental_got_plt_reader): New class.
	* layout.cc (Layout::create_incremental_info_sections): Add the
	incremental_got_plt section.
	* object.h (Got_offset_list::get_list): New function.
	(Got offset_list::for_all_got_offsets): New function.
	(Sized_relobj::local_got_offset_list): New function.
	* powerpc.cc (Target_powerpc::got_size): Add const.
	(Target_powerpc::got_entry_count): New function.
	(Target_powerpc::plt_entry_count): New function.
	(Target_powerpc::first_plt_entry_offset): New function.
	(Target_powerpc::plt_entry_size): New function.
	(Output_data_plt_powerpc::entry_count): New function.
	(Output_data_plt_powerpc::first_plt_entry_offset): New function.
	(Output_data_plt_powerpc::get_plt_entry_size): New function.
	* sparc.cc (Target_sparc::got_size): Add const.
	(Target_sparc::got_entry_count): New function.
	(Target_sparc::plt_entry_count): New function.
	(Target_sparc::first_plt_entry_offset): New function.
	(Target_sparc::plt_entry_size): New function.
	(Output_data_plt_sparc::entry_count): New function.
	(Output_data_plt_sparc::first_plt_entry_offset): New function.
	(Output_data_plt_sparc::get_plt_entry_size): New function.
	* symtab.h (Symbol::got_offset_list): New function.
	(Symbol_table::for_all_symbols): New function.
	* target.h (Sized_target::got_entry_count): New function.
	(Sized_target::plt_entry_count): New function.
	(Sized_target::plt_entry_size): New function.
	* x86_64.cc (Target_x86_64::got_size): Add const.
	(Target_x86_64::got_entry_count): New function.
	(Target_x86_64::plt_entry_count): New function.
	(Target_x86_64::first_plt_entry_offset): New function.
	(Target_x86_64::plt_entry_size): New function.
	(Output_data_plt_x86_64::entry_count): New function.
	(Output_data_plt_x86_64::first_plt_entry_offset): New function.
	(Output_data_plt_x86_64::get_plt_entry_size): New function.

1 files changed, 70 insertions, 2 deletions

diff --git a/gold/powerpc.cc b/gold/powerpc.cc
index 88bc378..aca75f2 100644
--- a/gold/powerpc.cc
+++ b/gold/powerpc.cc
@@ -1,6 +1,6 @@
 // powerpc.cc -- powerpc target support for gold.
 
-// Copyright 2008, 2009 Free Software Foundation, Inc.
+// Copyright 2008, 2009, 2010 Free Software Foundation, Inc.
 // Written by David S. Miller <davem@davemloft.net>
 //        and David Edelsohn <edelsohn@gnu.org>
 
@@ -151,12 +151,33 @@ class Target_powerpc : public Sized_target<size, big_endian>
 
   // Return the size of the GOT section.
   section_size_type
-  got_size()
+  got_size() const
   {
     gold_assert(this->got_ != NULL);
     return this->got_->data_size();
   }
 
+  // Return the number of entries in the GOT.
+  unsigned int
+  got_entry_count() const
+  {
+    if (this->got_ == NULL)
+      return 0;
+    return this->got_size() / (size / 8);
+  }
+
+  // Return the number of entries in the PLT.
+  unsigned int
+  plt_entry_count() const;
+
+  // Return the offset of the first non-reserved PLT entry.
+  unsigned int
+  first_plt_entry_offset() const;
+
+  // Return the size of each PLT entry.
+  unsigned int
+  plt_entry_size() const;
+
  private:
 
   // The class which scans relocations.
@@ -321,6 +342,9 @@ class Target_powerpc : public Sized_target<size, big_endian>
   static Target::Target_info powerpc_info;
 
   // The types of GOT entries needed for this platform.
+  // These values are exposed to the ABI in an incremental link.
+  // Do not renumber existing values without changing the version
+  // number of the .gnu_incremental_inputs section.
   enum Got_type
   {
     GOT_TYPE_STANDARD = 0,      // GOT entry for a regular symbol
@@ -808,6 +832,21 @@ class Output_data_plt_powerpc : public Output_section_data
     return this->rel_;
   }
 
+  // Return the number of PLT entries.
+  unsigned int
+  entry_count() const
+  { return this->count_; }
+
+  // Return the offset of the first non-reserved PLT entry.
+  static unsigned int
+  first_plt_entry_offset()
+  { return 4 * base_plt_entry_size; }
+
+  // Return the size of a PLT entry.
+  static unsigned int
+  get_plt_entry_size()
+  { return base_plt_entry_size; }
+
  protected:
   void do_adjust_output_section(Output_section* os);
 
@@ -993,6 +1032,35 @@ Target_powerpc<size, big_endian>::make_plt_entry(Symbol_table* symtab,
   this->plt_->add_entry(gsym);
 }
 
+// Return the number of entries in the PLT.
+
+template<int size, bool big_endian>
+unsigned int
+Target_powerpc<size, big_endian>::plt_entry_count() const
+{
+  if (this->plt_ == NULL)
+    return 0;
+  return this->plt_->entry_count();
+}
+
+// Return the offset of the first non-reserved PLT entry.
+
+template<int size, bool big_endian>
+unsigned int
+Target_powerpc<size, big_endian>::first_plt_entry_offset() const
+{
+  return Output_data_plt_powerpc<size, big_endian>::first_plt_entry_offset();
+}
+
+// Return the size of each PLT entry.
+
+template<int size, bool big_endian>
+unsigned int
+Target_powerpc<size, big_endian>::plt_entry_size() const
+{
+  return Output_data_plt_powerpc<size, big_endian>::get_plt_entry_size();
+}
+
 // Create a GOT entry for the TLS module index.
 
 template<int size, bool big_endian>