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mterwoord_cp 2008-12-29 11:29:47 +00:00
parent 65be2a5545
commit 1ca3b7a4c5
1 changed files with 38 additions and 18 deletions
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56
source/Indy.IL2CPU/Assembler/ElementReference.cs
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@ -2,10 +2,10 @@
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading;
namespace Indy.IL2CPU.Assembler {
public class ElementReference {
public ElementReference(string aName, int aOffset)
: this(aName) {
Offset = aOffset;
@ -24,28 +24,48 @@ namespace Indy.IL2CPU.Assembler {
private ulong? mActualAddress;
private static ReaderWriterLockSlim mCacheLocker = new ReaderWriterLockSlim(LockRecursionPolicy.NoRecursion);
private static SortedList<string, BaseAssemblerElement> mCache = new SortedList<string, BaseAssemblerElement>();
private static BaseAssemblerElement DoResolve(Assembler aAssembler, string aName) {
mCacheLocker.EnterReadLock();
try {
BaseAssemblerElement xTempResult;
if (mCache.TryGetValue(aName, out xTempResult)) {
return xTempResult;
}
} finally {
mCacheLocker.ExitReadLock();
}
mCacheLocker.EnterWriteLock();
try {
BaseAssemblerElement xTempResult;
if (mCache.TryGetValue(aName, out xTempResult)) {
return xTempResult;
}
xTempResult = (from item in aAssembler.Instructions
let xLabel = item as Label
where xLabel != null && xLabel.QualifiedName.Equals(aName, StringComparison.InvariantCultureIgnoreCase)
select item).SingleOrDefault();
if (xTempResult == null) {
xTempResult = (from item in aAssembler.DataMembers
where item.Name.Equals(aName, StringComparison.InvariantCultureIgnoreCase)
select item).SingleOrDefault();
}
mCache.Add(aName, xTempResult);
return xTempResult;
} finally {
mCacheLocker.ExitWriteLock();
}
}
public bool Resolve(Assembler aAssembler, out ulong aAddress) {
//
if (mActualAddress != null) {
aAddress = mActualAddress.Value;
return true;
}
var xItems = (from item in aAssembler.Instructions
let xLabel = item as Label
where xLabel != null && xLabel.QualifiedName.Equals(Name, StringComparison.InvariantCultureIgnoreCase)
select item).ToArray();
if (xItems.Count() > 1) {
Console.Write("");
}
BaseAssemblerElement xElement = (from item in aAssembler.Instructions
let xLabel = item as Label
where xLabel != null && xLabel.QualifiedName.Equals(Name, StringComparison.InvariantCultureIgnoreCase)
select item).SingleOrDefault();
if (xElement == null) {
xElement = (from item in aAssembler.DataMembers
where item.Name.Equals(Name, StringComparison.InvariantCultureIgnoreCase)
select item).SingleOrDefault();
}
var xElement = DoResolve(aAssembler, Name);
if (xElement != null) {
if (xElement.ActualAddress.HasValue) {
mActualAddress = (ulong)((long)xElement.ActualAddress.Value + Offset);