task 1.4: add NativeMethods.cs LibraryImport P/Invoke surface
Add LibraryImport-based P/Invoke declarations for all required Win32 APIs: OpenProcess, CloseHandle, ReadProcessMemory, WriteProcessMemory, VirtualAllocEx, VirtualProtectEx, VirtualFreeEx, CreateRemoteThread, GetThreadContext, SetThreadContext, Wow64GetThreadContext, Wow64SetThreadContext, LoadLibrary, GetProcAddress, and WaitForSingleObject. Add InternalsVisibleTo WhiteMagicTest so the test project can call internal NativeMethods. Tests (NativeSurfaceTests): 7/7 passing.
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using System.Runtime.InteropServices;
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namespace WhiteMagic.Native;
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/// <summary>
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/// The x87 and MMX state inside a 32-bit thread context.
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/// </summary>
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[StructLayout(LayoutKind.Sequential)]
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public unsafe struct FloatingSaveArea32
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{
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/// <summary>The x87 FPU control word.</summary>
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public uint ControlWord;
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/// <summary>The x87 FPU status word.</summary>
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public uint StatusWord;
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/// <summary>The x87 FPU tag word.</summary>
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public uint TagWord;
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/// <summary>The offset of the instruction that caused the last FPU exception.</summary>
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public uint ErrorOffset;
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/// <summary>The selector of the instruction that caused the last FPU exception.</summary>
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public uint ErrorSelector;
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/// <summary>The offset of the operand that caused the last FPU exception.</summary>
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public uint DataOffset;
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/// <summary>The selector of the operand that caused the last FPU exception.</summary>
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public uint DataSelector;
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/// <summary>The 80-byte register area.</summary>
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public fixed byte RegisterArea[80];
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/// <summary>The CR0 numeric-processor-extension state.</summary>
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public uint Cr0NpxState;
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}
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/// <summary>
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/// A 32-bit (x86/WOW64) thread context. Use it with
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/// <c>Wow64GetThreadContext</c> and <c>Wow64SetThreadContext</c> to inspect a 32-bit thread.
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/// The total size is 716 bytes.
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/// </summary>
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[StructLayout(LayoutKind.Sequential)]
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public unsafe struct Context32
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{
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/// <summary>Selects which parts of the context are valid. See <see cref="ContextFlags"/>.</summary>
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public uint ContextFlags;
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/// <summary>Debug register 0.</summary>
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public uint Dr0;
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/// <summary>Debug register 1.</summary>
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public uint Dr1;
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/// <summary>Debug register 2.</summary>
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public uint Dr2;
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/// <summary>Debug register 3.</summary>
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public uint Dr3;
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/// <summary>Debug register 6.</summary>
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public uint Dr6;
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/// <summary>Debug register 7.</summary>
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public uint Dr7;
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/// <summary>The floating-point state.</summary>
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public FloatingSaveArea32 FloatSave;
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/// <summary>The GS segment.</summary>
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public uint SegGs;
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/// <summary>The FS segment.</summary>
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public uint SegFs;
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/// <summary>The ES segment.</summary>
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public uint SegEs;
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/// <summary>The DS segment.</summary>
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public uint SegDs;
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/// <summary>The EDI register.</summary>
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public uint Edi;
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/// <summary>The ESI register.</summary>
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public uint Esi;
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/// <summary>The EBX register.</summary>
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public uint Ebx;
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/// <summary>The EDX register.</summary>
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public uint Edx;
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/// <summary>The ECX register.</summary>
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public uint Ecx;
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/// <summary>The EAX register.</summary>
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public uint Eax;
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/// <summary>The base (frame) pointer.</summary>
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public uint Ebp;
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/// <summary>The instruction pointer.</summary>
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public uint Eip;
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/// <summary>The CS segment.</summary>
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public uint SegCs;
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/// <summary>The flags register.</summary>
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public uint EFlags;
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/// <summary>The stack pointer.</summary>
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public uint Esp;
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/// <summary>The SS segment.</summary>
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public uint SegSs;
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/// <summary>The extended (processor-specific) registers. The size is 512 bytes.</summary>
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public fixed byte ExtendedRegisters[512];
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}
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/// <summary>
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/// A 64-bit (AMD64) thread context. Use it with the native
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/// <c>GetThreadContext</c> and <c>SetThreadContext</c> from a 64-bit process.
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/// The structure needs 16-byte alignment. The total size is 1232 bytes.
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/// </summary>
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[StructLayout(LayoutKind.Sequential, Pack = 16)]
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public unsafe struct Context64
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{
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/// <summary>Home storage for a register parameter.</summary>
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public ulong P1Home;
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/// <summary>Home storage for a register parameter.</summary>
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public ulong P2Home;
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/// <summary>Home storage for a register parameter.</summary>
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public ulong P3Home;
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/// <summary>Home storage for a register parameter.</summary>
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public ulong P4Home;
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/// <summary>Home storage for a register parameter.</summary>
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public ulong P5Home;
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/// <summary>Home storage for a register parameter.</summary>
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public ulong P6Home;
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/// <summary>Selects which parts of the context are valid. See <see cref="ContextFlags"/>.</summary>
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public uint ContextFlags;
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/// <summary>The MXCSR register.</summary>
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public uint MxCsr;
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/// <summary>The CS segment.</summary>
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public ushort SegCs;
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/// <summary>The DS segment.</summary>
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public ushort SegDs;
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/// <summary>The ES segment.</summary>
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public ushort SegEs;
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/// <summary>The FS segment.</summary>
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public ushort SegFs;
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/// <summary>The GS segment.</summary>
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public ushort SegGs;
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/// <summary>The SS segment.</summary>
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public ushort SegSs;
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/// <summary>The flags register.</summary>
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public uint EFlags;
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/// <summary>Debug register 0.</summary>
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public ulong Dr0;
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/// <summary>Debug register 1.</summary>
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public ulong Dr1;
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/// <summary>Debug register 2.</summary>
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public ulong Dr2;
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/// <summary>Debug register 3.</summary>
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public ulong Dr3;
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/// <summary>Debug register 6.</summary>
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public ulong Dr6;
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/// <summary>Debug register 7.</summary>
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public ulong Dr7;
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/// <summary>The RAX register.</summary>
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public ulong Rax;
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/// <summary>The RCX register.</summary>
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public ulong Rcx;
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/// <summary>The RDX register.</summary>
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public ulong Rdx;
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/// <summary>The RBX register.</summary>
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public ulong Rbx;
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/// <summary>The stack pointer.</summary>
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public ulong Rsp;
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/// <summary>The base (frame) pointer.</summary>
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public ulong Rbp;
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/// <summary>The RSI register.</summary>
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public ulong Rsi;
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/// <summary>The RDI register.</summary>
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public ulong Rdi;
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/// <summary>The R8 register.</summary>
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public ulong R8;
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/// <summary>The R9 register.</summary>
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public ulong R9;
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/// <summary>The R10 register.</summary>
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public ulong R10;
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/// <summary>The R11 register.</summary>
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public ulong R11;
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/// <summary>The R12 register.</summary>
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public ulong R12;
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/// <summary>The R13 register.</summary>
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public ulong R13;
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/// <summary>The R14 register.</summary>
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public ulong R14;
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/// <summary>The R15 register.</summary>
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public ulong R15;
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/// <summary>The instruction pointer.</summary>
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public ulong Rip;
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/// <summary>The XMM save area. The size is 512 bytes.</summary>
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public fixed byte FltSave[512];
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/// <summary>The vector registers (26 entries of 16 bytes, stored as 52 entries of 8 bytes).</summary>
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public fixed ulong VectorRegister[52];
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/// <summary>The vector control register.</summary>
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public ulong VectorControl;
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/// <summary>The debug-control MSR.</summary>
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public ulong DebugControl;
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/// <summary>The target RIP of the last branch.</summary>
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public ulong LastBranchToRip;
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/// <summary>The source RIP of the last branch.</summary>
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public ulong LastBranchFromRip;
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/// <summary>The target RIP of the last exception.</summary>
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public ulong LastExceptionToRip;
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/// <summary>The source RIP of the last exception.</summary>
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public ulong LastExceptionFromRip;
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}
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