--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/bintools/petools/pefile/pe_utl.cpp	Fri Jun 25 18:11:34 2010 +0800
@@ -0,0 +1,94 @@
+// Copyright (c) 1996-2009 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 <e32std.h>
+#include <e32std_private.h>
+#include "pe_file.h"
+#include <string.h>
+#include "e32image.h"
+#include "h_utl.h"
+
+TInt PEFile::CmpSectionName(PIMAGE_SECTION_HEADER apSectionHeader, char *aName)
+//
+// Returns true if the name of the pe section is the same as aName
+//
+	{
+
+	return (strnicmp((const char *)apSectionHeader->Name, aName, IMAGE_SIZEOF_SHORT_NAME)==0);
+	}
+
+TInt PEFile::VirtualAddressInSection(TUint aVA, PIMAGE_SECTION_HEADER aHeader)
+//
+// Returns true if the virtual address is in the section
+//
+	{
+
+	TUint start = iLinkedBase + aHeader->VirtualAddress;
+	TUint finish = start + aHeader->Misc.VirtualSize;
+	return (aVA>=start) && (aVA<finish);
+	}
+
+TUint PEFile::DistanceFromSection(TUint aVA, PIMAGE_SECTION_HEADER aHeader)
+//
+// Returns the minimum distance from aVA to any address in the specified section
+//
+	{
+
+	TUint start = iLinkedBase + aHeader->VirtualAddress;
+	TUint finish = start + aHeader->Misc.VirtualSize;
+	if (aVA>=start)
+		{
+		if (aVA<finish)
+			return 0;
+		return aVA - finish + 1;
+		}
+	return start - aVA;
+	}
+
+TInt PEFile::FindSectionByVa(TUint aVA, TUint aTryToBeClever)
+	{
+	TInt i;
+	TInt s = -1;
+	if (aTryToBeClever == 0)
+		{
+		for (i=0; i<KNumberOfSections; i++)
+			if (iSectionHeader[i])
+				if (VirtualAddressInSection(aVA, iSectionHeader[i]))
+					s=i;
+		}
+	if (aTryToBeClever == 1)
+		{
+		// Find the minimum distance from the specified address to any section
+		TUint dist = KMaxTUint;
+		for (i=0; i<KNumberOfSections; i++)
+			{
+			if (!iSectionHeader[i])
+				continue;
+			TUint d = DistanceFromSection(aVA, iSectionHeader[i]);
+			if (d < dist)
+				{
+				dist = d;
+				s = i;
+				}
+			else if (d == dist)
+				{
+				s = -1;	// Ambiguous :-(
+				}
+			}
+		if (dist >= 0x1000u)
+			s = -1;		// too far for comfort
+		}
+	return s;
+	}