mirror of
https://github.com/danbulant/Cosmos
synced 2026-05-19 20:39:01 +00:00
143 lines
No EOL
4.4 KiB
C#
143 lines
No EOL
4.4 KiB
C#
#if DEBUG
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//#define GC_DEBUG
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#endif
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Runtime.InteropServices;
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using System.Text;
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using System.Threading;
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using System.Diagnostics;
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using Cosmos.Common;
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namespace Cosmos.IL2CPU {
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[DebuggerStepThrough]
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public static class GCImplementation {
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private static void AcquireLock() {
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// do {
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// } while (Interlocked.CompareExchange(ref mLock, 1, 0) != 0);
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throw new NotImplementedException();
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}
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private static void ReleaseLock() {
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// do {
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// } while (Interlocked.CompareExchange(ref mLock, 0, 1) != 1);
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throw new NotImplementedException();
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}
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public static uint AllocNewObject(uint aSize) {
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// uint xNewObject = RuntimeEngine.Heap_AllocNewObject(aSize + 4);
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//#if GC_DEBUG
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// Console.Write("New Object allocated: ");
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// NumberHelper.WriteNumber(xNewObject + 4, false);
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// Console.WriteLine();
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//#endif
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// return xNewObject + 4;
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throw new NotImplementedException();
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}
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/// <summary>
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/// This function gets the pointer to the memory location of where it's stored.
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/// </summary>
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/// <param name="aObject"></param>
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public static unsafe void IncRefCount(uint aObject) {
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//// if (aObject == 0) {
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//// return;
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//// }
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//// uint* xTheObject = (uint*)aObject;
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//// xTheObject += 1;
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//// if ((*xTheObject & 0x80000000) != 0) {
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//// return;
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//// }
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//// xTheObject -= 2;
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//// if ((*xTheObject & 0x88888888) != 0) {
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//// Console.Write("StaleObject: ");
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//// NumberHelper.WriteNumber(aObject, false);
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//// Console.WriteLine();
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//// return;
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//// }
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// //xTheObject -= 2;
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//#if GC_DEBUG
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// uint xCount =
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//#endif
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//// *xTheObject = *xTheObject + 1;
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//#if GC_DEBUG
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// if (xCount == 0x80000000) {
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// Console.WriteLine("GC: RefCount Maximum Exceeded!");
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// return;
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// }
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// Console.Write("ObjectIncRefCount, Object = ");
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// NumberHelper.WriteNumber(aObject, false);
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// Console.Write(", RefCount = ");
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// NumberHelper.WriteNumber(xCount, false);
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// Console.WriteLine();
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//#endif
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//throw new NotImplementedException();
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}
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/// <summary>
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/// This function gets the pointer to the memory location of where it's stored.
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/// </summary>
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/// <param name="aObject"></param>
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public static unsafe void DecRefCount(uint aObject) {
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//// if (aObject == 0) {
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//// return;
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//// }
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//// uint* xTheObject = (uint*)aObject;
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//// xTheObject += 1;
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// // check for staticly embedded arrays/objects. these are embedded as values in the binary target, and should
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// // therefore not be collected.
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//// if ((*xTheObject & 0x80000000) == 0x80000000) {
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//// return;
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//// }
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//// xTheObject -= 2;
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//// uint xCount = *xTheObject;
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//// if (xCount == 0) {
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//// return;
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//// }
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//#if GC_DEBUG
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// if ((xCount & 0x80000000) == 0x80000000) {
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// Console.Write("StaleObject: ");
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// WriteNumber(aObject, false);
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// Console.WriteLine();
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// return;
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// }
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//#endif
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//// xCount = *xTheObject = xCount - 1;
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//// if (xCount == 0) {
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//#if GC_DEBUG
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// Console.Write("ObjectReclaimed, Object = ");
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// NumberHelper.WriteNumber(aObject, false);
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// Console.WriteLine();
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// xTheObject = (uint*)(aObject - 4);
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// *xTheObject = 0x80000000;
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// xTheObject = (uint*)(aObject + 4);
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// // uint xObjectType = *xTheObject;
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// // if (xObjectType == 1) {
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// // xTheObject = (uint*)aObject + 8;
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// // uint xFieldCount = *xTheObject;
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// // for (uint i = 0; i < xFieldCount; i++) {
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// // xTheObject += 4;
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// // DecRefCount(*xTheObject);
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// // }
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// // }
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//#endif
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//#if !GC_DEBUG
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//// RuntimeEngine.Heap_Free(aObject - 4);
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//#endif
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//#if GC_DEBUG
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// } else {
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// Console.Write("ObjectDecRefCount, Object = ");
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// NumberHelper.WriteNumber(aObject, false);
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// Console.Write(", RefCount = ");
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// NumberHelper.WriteNumber(xCount, false);
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// Console.WriteLine();
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//#endif
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//// }
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///
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//throw new NotImplementedException();
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}
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}
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} |