* cref.cc: New file.

	* cref.h: New file.
	* options.h (class General_options): Add --print-symbol-counts.
	* main.cc (main): Issue defined symbol report if requested.
	* archive.cc (Archive::interpret_header): Make into a const member
	function.
	(Archive::add_symbols): Call Input_objects::archive_start and
	archive_stop.
	(Archive::const_iterator): Define new class.
	(Archive::begin, Archive::end): New functions.
	(Archive::include_all_members): Rewrite to use iterator.
	(Archive::count_members): New function.
	* archive.h (class Archive): Update declarations.
	(Archive::filename): New function.
	* object.cc: Include "cref.h".
	(Sized_relobj::Sized_relobj): Initialize defined_count_.
	(Sized_relobj::do_get_global_symbol_counts): New function.
	(Input_objects::add_object): Add object to cross-referencer.
	(Input_objects::archive_start): New function.
	(Input_objects::archive_stop): New function.
	(Input_objects::print_symbol_counts): New function.
	* object.h: Declare Cref and Archive.
	(Object::get_global_symbol_counts): New function.
	(Object::do_get_global_symbol_counts): New pure virtual function.
	(class Sized_relobj): Add defined_count_ field.  Update
	declarations.
	(class Input_objects): Add cref_ field.  Update constructor.
	Update declarations.
	* dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
	defined_count_.
	(Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
	symbol counts.
	(Sized_dynobj::do_get_global_symbol_counts): New function.
	* dynobj.h (class Sized_dynobj): Add fields symbols_ and
	defined_count_.  Update declarations.  Define Symbols typedef.
	* symtab.cc (Symbol_table::add_from_relobj): Add defined
	parameter.  Change all callers.
	(Symbol_table::add_from_dynobj): Add sympointers and defined
	parameters.  Change all callers.
	* symtab.h (class Symbol_table): Update declarations.
	* Makefile.am (CCFILES): Add cref.cc.
	(HFILES): Add cref.h.
	* Makefile.in: Rebuild.

1 files changed, 11 insertions, 0 deletions

diff --git a/gold/dynobj.h b/gold/dynobj.h
index bd5e12dc5e1..b5b9bd9725d 100644
--- a/gold/dynobj.h
+++ b/gold/dynobj.h
@@ -156,6 +156,8 @@ template<int size, bool big_endian>
 class Sized_dynobj : public Dynobj
 {
  public:
+  typedef typename Sized_relobj<size, big_endian>::Symbols Symbols;
+
   Sized_dynobj(const std::string& name, Input_file* input_file, off_t offset,
 	       const typename elfcpp::Ehdr<size, big_endian>&);
 
@@ -225,6 +227,10 @@ class Sized_dynobj : public Dynobj
   Xindex*
   do_initialize_xindex();
 
+  // Get symbol counts.
+  void
+  do_get_global_symbol_counts(const Symbol_table*, size_t*, size_t*) const;
+
  private:
   // For convenience.
   typedef Sized_dynobj<size, big_endian> This;
@@ -288,6 +294,11 @@ class Sized_dynobj : public Dynobj
   elfcpp::Elf_file<size, big_endian, Object> elf_file_;
   // The section index of the dynamic symbol table.
   unsigned int dynsym_shndx_;
+  // The entries in the symbol table for the symbols.  We only keep
+  // this if we need it to print symbol information.
+  Symbols* symbols_;
+  // Number of defined symbols.
+  size_t defined_count_;
 };
 
 // A base class for Verdef and Verneed_version which just handles the