2009-05-19 Doug Kwan <dougkwan@google.com>

	* archive.cc (Archive::Archive): Move constructor from archive.h
	to here.  Initialize no_export_.
	(Archive::get_elf_object_for_member): Set no_export flag of object.
	* archive.h (Archive::Archive): Move constructor body to
	archive.cc.
	(Archive::no_export): New method.
	(Archive::no_export_): New field.
	* object.h (Object::Object): Initialize no_export_ to false.
	(Object::no_export, Object::set_no_export): New methods.
	(Object::no_export_): New field.
	* options.cc (General_options::parse_exclude_libs): New method.
	(General_options::check_excluded_libs) Same.
	* options.h (exclude_libs): New option.
	(General_options::check_excluded_libs): New method declaration.
	(General_options::excluded_libs_): New field.
	* symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
	default or protected visibility if an object has no-export flag set.
	testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
	(check_SCRIPTS): Add exclude_libs_test.sh.
	(check_DATA): Add exclude_libs_test.syms.
	(MOSTLYCLEANFILES): Add exclude_libs_test.syms,
	libexclude_libs_test_1.a and libexclude_libs_test_2.a.
	(exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
	exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
	(exclude_libs_test.syms, libexclude_libs_test_1.a,
	libexclude_libs_test_2.a): New rules.
	* testsuite/Makefile.in: Regenerate.
	* testsuite/exclude_libs_test.c: New file.
	* testsuite/exclude_libs_test.sh: Ditto.
	* testsuite/exclude_libs_test_1.c: Ditto.
	* testsuite/exclude_libs_test_2.c: Ditto.

1 files changed, 17 insertions, 4 deletions

diff --git a/gold/archive.cc b/gold/archive.cc
index 2dec571..8e809e2 100644
--- a/gold/archive.cc
+++ b/gold/archive.cc
@@ -83,6 +83,17 @@ const char Archive::armagt[sarmag] =
 
 const char Archive::arfmag[2] = { '`', '\n' };
 
+Archive::Archive(const std::string& name, Input_file* input_file,
+                 bool is_thin_archive, Dirsearch* dirpath, Task* task)
+  : name_(name), input_file_(input_file), armap_(), armap_names_(),
+    extended_names_(), armap_checked_(), seen_offsets_(), members_(),
+    is_thin_archive_(is_thin_archive), included_member_(false),
+    nested_archives_(), dirpath_(dirpath), task_(task), num_members_(0)
+{
+  this->no_export_ =
+    parameters->options().check_excluded_libs(input_file->found_name());
+}
+
 // Set up the archive: read the symbol map and the extended name
 // table.
 
@@ -549,10 +560,12 @@ Archive::get_elf_object_for_member(off_t off, bool* punconfigured)
       return NULL;
     }
 
-  return make_elf_object((std::string(this->input_file_->filename())
-			  + "(" + member_name + ")"),
-			 input_file, memoff, ehdr, read_size,
-			 punconfigured);
+  Object *obj = make_elf_object((std::string(this->input_file_->filename())
+				 + "(" + member_name + ")"),
+				input_file, memoff, ehdr, read_size,
+				punconfigured);
+  obj->set_no_export(this->no_export());
+  return obj;
 }
 
 // Read the symbols from all the archive members in the link.