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Spooks
63 lines
1.6 KiB
C#
63 lines
1.6 KiB
C#
// Copyright (C) 2026 SharpEmu Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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using SharpEmu.HLE;
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namespace SharpEmu.Debugger;
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/// <summary>
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/// The registers a debugger can name. The first sixteen values line up with
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/// <see cref="CpuRegister"/> so a general-purpose register can be converted
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/// between the two enums by casting; the remaining values cover the special
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/// registers a debug frame exposes.
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/// </summary>
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public enum DebugRegisterId
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{
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Rax = 0,
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Rcx = 1,
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Rdx = 2,
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Rbx = 3,
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Rsp = 4,
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Rbp = 5,
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Rsi = 6,
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Rdi = 7,
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R8 = 8,
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R9 = 9,
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R10 = 10,
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R11 = 11,
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R12 = 12,
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R13 = 13,
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R14 = 14,
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R15 = 15,
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Rip = 16,
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Rflags = 17,
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FsBase = 18,
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GsBase = 19,
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}
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/// <summary>Helpers for mapping between debug and CPU register identifiers.</summary>
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public static class DebugRegisterIdExtensions
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{
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/// <summary>
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/// True when the identifier names one of the sixteen general-purpose
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/// registers and can be cast to <see cref="CpuRegister"/>.
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/// </summary>
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public static bool IsGeneralPurpose(this DebugRegisterId id)
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=> id is >= DebugRegisterId.Rax and <= DebugRegisterId.R15;
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/// <summary>
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/// Converts a general-purpose identifier to its <see cref="CpuRegister"/>.
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/// Throws when <paramref name="id"/> is a special register.
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/// </summary>
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public static CpuRegister ToCpuRegister(this DebugRegisterId id)
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{
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if (!id.IsGeneralPurpose())
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{
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throw new ArgumentOutOfRangeException(nameof(id), id, "Not a general-purpose register.");
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}
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return (CpuRegister)(int)id;
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}
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}
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