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Allows the same dynamic module (NRO) to always be remapped to the same base address, so that the Translator can reuse the same dynamic functions in it, without having to retranslate them and thus without having to add them back into the Jit Cache.
76 lines
No EOL
3.1 KiB
C#
76 lines
No EOL
3.1 KiB
C#
using System;
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namespace ARMeilleure.Memory
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{
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public interface IMemoryManager
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{
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int AddressSpaceBits { get; }
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IntPtr PageTablePointer { get; }
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MemoryManagerType Type { get; }
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event Action<ulong, ulong, bool> UnmapEvent;
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/// <summary>
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/// Reads data from CPU mapped memory.
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/// </summary>
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/// <typeparam name="T">Type of the data being read</typeparam>
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/// <param name="va">Virtual address of the data in memory</param>
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/// <returns>The data</returns>
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T Read<T>(ulong va) where T : unmanaged;
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/// <summary>
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/// Reads data from CPU mapped memory, with read tracking
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/// </summary>
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/// <typeparam name="T">Type of the data being read</typeparam>
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/// <param name="va">Virtual address of the data in memory</param>
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/// <returns>The data</returns>
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T ReadTracked<T>(ulong va) where T : unmanaged;
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/// <summary>
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/// Writes data to CPU mapped memory.
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/// </summary>
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/// <typeparam name="T">Type of the data being written</typeparam>
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/// <param name="va">Virtual address to write the data into</param>
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/// <param name="value">Data to be written</param>
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void Write<T>(ulong va, T value) where T : unmanaged;
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/// <summary>
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/// Gets a read-only span of data from CPU mapped memory.
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/// </summary>
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/// <param name="va">Virtual address of the data</param>
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/// <param name="size">Size of the data</param>
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/// <param name="tracked">True if read tracking is triggered on the span</param>
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/// <returns>A read-only span of the data</returns>
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ReadOnlySpan<byte> GetSpan(ulong va, int size, bool tracked = false);
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/// <summary>
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/// Gets a reference for the given type at the specified virtual memory address.
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/// </summary>
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/// <remarks>
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/// The data must be located at a contiguous memory region.
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/// </remarks>
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/// <typeparam name="T">Type of the data to get the reference</typeparam>
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/// <param name="va">Virtual address of the data</param>
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/// <returns>A reference to the data in memory</returns>
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ref T GetRef<T>(ulong va) where T : unmanaged;
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/// <summary>
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/// Checks if the page at a given CPU virtual address is mapped.
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/// </summary>
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/// <param name="va">Virtual address to check</param>
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/// <returns>True if the address is mapped, false otherwise</returns>
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bool IsMapped(ulong va);
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/// <summary>
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/// Alerts the memory tracking that a given region has been read from or written to.
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/// This should be called before read/write is performed.
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/// </summary>
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/// <param name="va">Virtual address of the region</param>
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/// <param name="size">Size of the region</param>
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/// <param name="write">True if the region was written, false if read</param>
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/// <param name="precise">True if the access is precise, false otherwise</param>
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void SignalMemoryTracking(ulong va, ulong size, bool write, bool precise = false);
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}
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} |