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35 wiersze
1.5 KiB
35 wiersze
1.5 KiB
using System;
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using UnityEditor.MemoryProfiler;
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namespace MemoryProfilerWindow
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{
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static class ArrayTools
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{
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public static int ReadArrayLength(MemorySection[] heap, UInt64 address, TypeDescription arrayType, VirtualMachineInformation virtualMachineInformation)
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{
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var bo = heap.Find(address, virtualMachineInformation);
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var bounds = bo.Add(virtualMachineInformation.arrayBoundsOffsetInHeader).ReadPointer();
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if (bounds == 0)
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return bo.Add(virtualMachineInformation.arraySizeOffsetInHeader).ReadInt32();
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var cursor = heap.Find(bounds, virtualMachineInformation);
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int length = 1;
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for (int i = 0; i != arrayType.arrayRank; i++)
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{
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length *= cursor.ReadInt32();
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cursor = cursor.Add(8);
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}
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return length;
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}
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public static int ReadArrayObjectSizeInBytes(MemorySection[] heap, UInt64 address, TypeDescription arrayType, TypeDescription[] typeDescriptions, VirtualMachineInformation virtualMachineInformation)
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{
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var arrayLength = ArrayTools.ReadArrayLength(heap, address, arrayType, virtualMachineInformation);
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var elementType = typeDescriptions[arrayType.baseOrElementTypeIndex];
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var elementSize = elementType.isValueType ? elementType.size : virtualMachineInformation.pointerSize;
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return virtualMachineInformation.arrayHeaderSize + elementSize * arrayLength;
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}
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}
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}
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