2009-06-05 Doug Kwan <dougkwan@google.com>

	* Makefile.am (CCFILES): Add target.cc.
	* Makefile.in: Regenerate.
	* i386.cc (class Target_i386): Define new virtual method to
	override do_is_local_label_name in parent.
	* object.cc (Sized_relobj::do_count_local_symbols): Discard
	local symbols if --discard-locals or -X is given.
	* options.h (class General_options): Declare new options
	'--discard-locals' and '-X' for discarding locals.
	* target.h (class Target): Define new methods is_local_label_name.
	Declare new virtual method do_is_local_label_name.
	* target.cc: New file.
	* testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
	(check_SCRIPTS): Add discard_locals_test.sh.
	(check_DATA): Add discard_local_tests.syms.
	(discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
	(discard_local_tests.syms, discard_locals_test.o): New make rules.
	* testsuite/Makefile.in: Regenerate.
	* testsuite/discard_locals_test.c: New file.
	* testsuite/discard_locals_test.sh: Same.

1 files changed, 10 insertions, 0 deletions

diff --git a/gold/target.h b/gold/target.h
index fd6766e..2a28105 100644
--- a/gold/target.h
+++ b/gold/target.h
@@ -173,6 +173,12 @@ class Target
   adjust_elf_header(unsigned char* view, int len) const
   { return this->do_adjust_elf_header(view, len); }
 
+  // Return whether NAME is a local label name.  This is used to implement the
+  // --discard-locals options.
+  bool
+  is_local_label_name(const char* name) const
+  { return this->do_is_local_label_name(name); }
+
  protected:
   // This struct holds the constant information for a child class.  We
   // use a struct to avoid the overhead of virtual function calls for
@@ -239,6 +245,10 @@ class Target
   do_adjust_elf_header(unsigned char*, int) const
   { }
 
+  // Virtual function which may be overriden by the child class.
+  virtual bool
+  do_is_local_label_name(const char*) const;
+
  private:
   Target(const Target&);
   Target& operator=(const Target&);