--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/releasing/blocks/framework/src/SymbianUtils/Readelf.py	Thu Sep 02 15:02:14 2010 +0800
@@ -0,0 +1,63 @@
+#
+# Copyright (c) 2010 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:
+# Extract library API from ELF-files
+#
+
+import os
+import sys
+import re
+
+from SymbianUtils import SymbianUtilsError
+
+class Readelf(object):
+    '''
+    Methods for extracting a library API. Blocks.Packaging.ComponentBuilder.Rule
+    and Blocks.Packaging.PackageModel.API make use of Readelf.
+    '''
+    class ConfigurationError(SymbianUtilsError):
+        ''' Missing required binaries '''
+
+    class Failed(SymbianUtilsError):
+        ''' The external binary returned an error '''
+
+    if sys.platform == "win32":
+        readelf = os.path.normpath(os.path.join(os.path.dirname(__file__), "bin", "readelf.exe"))
+    elif "linux" in sys.platform:
+        readelf = "/usr/bin/readelf"
+
+    if not os.path.isfile(readelf):
+        raise ConfigurationError, "Cannot find readelf command (%s)" % readelf
+
+    @classmethod
+    def getInterface(cls, path):
+        '''
+
+        @param path: The file to inspect
+        @return: The interface - relevant parts from the symbol table as read from file by I{readelf}
+        @rtype: Dictionary
+        '''
+        path = os.path.normpath(path)
+        api = {}
+        binary = cls.readelf + " -Ws " + path + " 2>&1"
+        rex = re.compile(r'^\s*(\d+):\s+\d+\s+\d+\s+FUNC\s+GLOBAL\s+DEFAULT\s+\d+\s+(.*)@@.*')
+        fo = os.popen(binary, "r", -1)
+        for line in fo:
+            match = rex.search(line)
+            if match:
+                api[match.group(1)] = match.group(2)
+        if fo.close():
+            # "Not an ELF file", "No such file", etc.
+            raise cls.Failed("readelf unable to get interface for '%s': %s" % (path, line.strip()))
+        return api
\ No newline at end of file