diff -r 000000000000 -r 83f4b4db085c toolsandutils/e32tools/checklib/object/coff_object.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/toolsandutils/e32tools/checklib/object/coff_object.cpp	Tue Feb 02 01:39:43 2010 +0200
@@ -0,0 +1,75 @@
+// Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+//
+
+#include "object.h"
+
+#include "coff/coff_file_header.h"
+#include "coff/coff_symbol.h"
+#include "coff/coff_string_table.h"
+
+#include <algorithm>
+#include <functional>
+
+Coff_object::Coff_object(const char* p1, const char* p2)
+{
+    coff::File_header fh(p1, p2);
+
+    unsigned nr_of_syms = fh.get_symcount();
+    unsigned sym_size = coff::Symbol::get_entrysize();
+
+    // Pointer to the first entry in the symbol table.
+    p1 +=  fh.get_symtab_offset();
+
+    // The string table is locates directly after the symbol table.
+    coff::String_table strtab( p1 + nr_of_syms * sym_size);
+
+    // Iterate over the whole symbol table.
+    for (unsigned i = 0; i < nr_of_syms; i++, p1 += sym_size)
+    {
+        coff::Symbol s(p1, p2);
+
+        // A symbol can have auxiliary entries that follows it.
+        unsigned aux_count = s.get_auxcount();
+
+        p1 += sym_size * aux_count;
+        i += aux_count;
+
+        if ( s.get_section() == 0 ) // If symbol is undefined ...
+        {
+            m_undef_symbols.push_back( strtab.get_string( s.get_name() ) );
+        }
+    }
+}
+
+Coff_object::~Coff_object() {}
+
+bool Coff_object::is_undef(const char a_sym[]) const
+{
+    using std::find_if;
+    using std::not1;
+    using std::bind2nd;
+    using std::ptr_fun;
+    using std::strcmp;
+
+    typedef std::vector<const char*> T;
+
+    T::const_iterator beg_p = m_undef_symbols.begin();
+    T::const_iterator end_p = m_undef_symbols.end();
+
+    T::const_iterator pos = find_if( beg_p, end_p, not1(bind2nd( ptr_fun(strcmp), a_sym)) );
+
+    return (pos != end_p);
+}
+