forked from Mirror/Ryujinx
471 lines
21 KiB
C#
471 lines
21 KiB
C#
using ARMeilleure.State;
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using Ryujinx.Common.Logging;
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using Ryujinx.HLE.HOS.Kernel.Common;
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using System;
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using System.Collections.Generic;
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using System.Reflection;
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using System.Reflection.Emit;
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namespace Ryujinx.HLE.HOS.Kernel.SupervisorCall
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{
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static class SyscallTable
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{
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private const int SvcFuncMaxArguments64 = 8;
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private const int SvcFuncMaxArguments32 = 4;
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private const int SvcMax = 0x80;
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public static Action<Syscall32, ExecutionContext>[] SvcTable32 { get; }
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public static Action<Syscall64, ExecutionContext>[] SvcTable64 { get; }
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static SyscallTable()
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{
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SvcTable32 = new Action<Syscall32, ExecutionContext>[SvcMax];
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SvcTable64 = new Action<Syscall64, ExecutionContext>[SvcMax];
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Dictionary<int, string> svcFuncs64 = new Dictionary<int, string>
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{
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{ 0x01, nameof(Syscall64.SetHeapSize64) },
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{ 0x03, nameof(Syscall64.SetMemoryAttribute64) },
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{ 0x04, nameof(Syscall64.MapMemory64) },
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{ 0x05, nameof(Syscall64.UnmapMemory64) },
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{ 0x06, nameof(Syscall64.QueryMemory64) },
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{ 0x07, nameof(Syscall64.ExitProcess64) },
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{ 0x08, nameof(Syscall64.CreateThread64) },
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{ 0x09, nameof(Syscall64.StartThread64) },
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{ 0x0a, nameof(Syscall64.ExitThread64) },
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{ 0x0b, nameof(Syscall64.SleepThread64) },
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{ 0x0c, nameof(Syscall64.GetThreadPriority64) },
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{ 0x0d, nameof(Syscall64.SetThreadPriority64) },
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{ 0x0e, nameof(Syscall64.GetThreadCoreMask64) },
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{ 0x0f, nameof(Syscall64.SetThreadCoreMask64) },
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{ 0x10, nameof(Syscall64.GetCurrentProcessorNumber64) },
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{ 0x11, nameof(Syscall64.SignalEvent64) },
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{ 0x12, nameof(Syscall64.ClearEvent64) },
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{ 0x13, nameof(Syscall64.MapSharedMemory64) },
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{ 0x14, nameof(Syscall64.UnmapSharedMemory64) },
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{ 0x15, nameof(Syscall64.CreateTransferMemory64) },
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{ 0x16, nameof(Syscall64.CloseHandle64) },
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{ 0x17, nameof(Syscall64.ResetSignal64) },
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{ 0x18, nameof(Syscall64.WaitSynchronization64) },
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{ 0x19, nameof(Syscall64.CancelSynchronization64) },
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{ 0x1a, nameof(Syscall64.ArbitrateLock64) },
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{ 0x1b, nameof(Syscall64.ArbitrateUnlock64) },
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{ 0x1c, nameof(Syscall64.WaitProcessWideKeyAtomic64) },
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{ 0x1d, nameof(Syscall64.SignalProcessWideKey64) },
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{ 0x1e, nameof(Syscall64.GetSystemTick64) },
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{ 0x1f, nameof(Syscall64.ConnectToNamedPort64) },
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{ 0x21, nameof(Syscall64.SendSyncRequest64) },
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{ 0x22, nameof(Syscall64.SendSyncRequestWithUserBuffer64) },
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{ 0x23, nameof(Syscall64.SendAsyncRequestWithUserBuffer64) },
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{ 0x24, nameof(Syscall64.GetProcessId64) },
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{ 0x25, nameof(Syscall64.GetThreadId64) },
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{ 0x26, nameof(Syscall64.Break64) },
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{ 0x27, nameof(Syscall64.OutputDebugString64) },
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{ 0x29, nameof(Syscall64.GetInfo64) },
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{ 0x2c, nameof(Syscall64.MapPhysicalMemory64) },
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{ 0x2d, nameof(Syscall64.UnmapPhysicalMemory64) },
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{ 0x32, nameof(Syscall64.SetThreadActivity64) },
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{ 0x33, nameof(Syscall64.GetThreadContext364) },
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{ 0x34, nameof(Syscall64.WaitForAddress64) },
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{ 0x35, nameof(Syscall64.SignalToAddress64) },
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{ 0x40, nameof(Syscall64.CreateSession64) },
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{ 0x41, nameof(Syscall64.AcceptSession64) },
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{ 0x43, nameof(Syscall64.ReplyAndReceive64) },
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{ 0x44, nameof(Syscall64.ReplyAndReceiveWithUserBuffer64) },
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{ 0x45, nameof(Syscall64.CreateEvent64) },
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{ 0x51, nameof(Syscall64.MapTransferMemory64) },
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{ 0x52, nameof(Syscall64.UnmapTransferMemory64) },
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{ 0x65, nameof(Syscall64.GetProcessList64) },
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{ 0x6f, nameof(Syscall64.GetSystemInfo64) },
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{ 0x70, nameof(Syscall64.CreatePort64) },
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{ 0x71, nameof(Syscall64.ManageNamedPort64) },
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{ 0x72, nameof(Syscall64.ConnectToPort64) },
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{ 0x73, nameof(Syscall64.SetProcessMemoryPermission64) },
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{ 0x77, nameof(Syscall64.MapProcessCodeMemory64) },
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{ 0x78, nameof(Syscall64.UnmapProcessCodeMemory64) },
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{ 0x7B, nameof(Syscall64.TerminateProcess64) }
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};
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foreach (KeyValuePair<int, string> value in svcFuncs64)
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{
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SvcTable64[value.Key] = GenerateMethod<Syscall64>(value.Value, SvcFuncMaxArguments64);
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}
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Dictionary<int, string> svcFuncs32 = new Dictionary<int, string>
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{
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{ 0x01, nameof(Syscall32.SetHeapSize32) },
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{ 0x03, nameof(Syscall32.SetMemoryAttribute32) },
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{ 0x04, nameof(Syscall32.MapMemory32) },
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{ 0x05, nameof(Syscall32.UnmapMemory32) },
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{ 0x06, nameof(Syscall32.QueryMemory32) },
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{ 0x07, nameof(Syscall32.ExitProcess32) },
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{ 0x08, nameof(Syscall32.CreateThread32) },
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{ 0x09, nameof(Syscall32.StartThread32) },
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{ 0x0a, nameof(Syscall32.ExitThread32) },
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{ 0x0b, nameof(Syscall32.SleepThread32) },
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{ 0x0c, nameof(Syscall32.GetThreadPriority32) },
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{ 0x0d, nameof(Syscall32.SetThreadPriority32) },
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{ 0x0e, nameof(Syscall32.GetThreadCoreMask32) },
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{ 0x0f, nameof(Syscall32.SetThreadCoreMask32) },
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{ 0x10, nameof(Syscall32.GetCurrentProcessorNumber32) },
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{ 0x11, nameof(Syscall32.SignalEvent32) },
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{ 0x12, nameof(Syscall32.ClearEvent32) },
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{ 0x13, nameof(Syscall32.MapSharedMemory32) },
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{ 0x14, nameof(Syscall32.UnmapSharedMemory32) },
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{ 0x15, nameof(Syscall32.CreateTransferMemory32) },
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{ 0x16, nameof(Syscall32.CloseHandle32) },
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{ 0x17, nameof(Syscall32.ResetSignal32) },
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{ 0x18, nameof(Syscall32.WaitSynchronization32) },
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{ 0x19, nameof(Syscall32.CancelSynchronization32) },
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{ 0x1a, nameof(Syscall32.ArbitrateLock32) },
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{ 0x1b, nameof(Syscall32.ArbitrateUnlock32) },
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{ 0x1c, nameof(Syscall32.WaitProcessWideKeyAtomic32) },
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{ 0x1d, nameof(Syscall32.SignalProcessWideKey32) },
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{ 0x1e, nameof(Syscall32.GetSystemTick32) },
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{ 0x1f, nameof(Syscall32.ConnectToNamedPort32) },
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{ 0x21, nameof(Syscall32.SendSyncRequest32) },
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{ 0x22, nameof(Syscall32.SendSyncRequestWithUserBuffer32) },
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{ 0x24, nameof(Syscall32.GetProcessId32) },
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{ 0x25, nameof(Syscall32.GetThreadId32) },
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{ 0x26, nameof(Syscall32.Break32) },
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{ 0x27, nameof(Syscall32.OutputDebugString32) },
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{ 0x29, nameof(Syscall32.GetInfo32) },
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{ 0x2c, nameof(Syscall32.MapPhysicalMemory32) },
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{ 0x2d, nameof(Syscall32.UnmapPhysicalMemory32) },
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{ 0x32, nameof(Syscall32.SetThreadActivity32) },
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{ 0x33, nameof(Syscall32.GetThreadContext332) },
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{ 0x34, nameof(Syscall32.WaitForAddress32) },
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{ 0x35, nameof(Syscall32.SignalToAddress32) },
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{ 0x40, nameof(Syscall32.CreateSession32) },
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{ 0x41, nameof(Syscall32.AcceptSession32) },
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{ 0x43, nameof(Syscall32.ReplyAndReceive32) },
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{ 0x45, nameof(Syscall32.CreateEvent32) },
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{ 0x51, nameof(Syscall32.MapTransferMemory32) },
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{ 0x52, nameof(Syscall32.UnmapTransferMemory32) },
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{ 0x5F, nameof(Syscall32.FlushProcessDataCache32) },
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{ 0x65, nameof(Syscall32.GetProcessList32) },
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{ 0x6f, nameof(Syscall32.GetSystemInfo32) },
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{ 0x70, nameof(Syscall32.CreatePort32) },
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{ 0x71, nameof(Syscall32.ManageNamedPort32) },
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{ 0x72, nameof(Syscall32.ConnectToPort32) },
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{ 0x73, nameof(Syscall32.SetProcessMemoryPermission32) },
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{ 0x77, nameof(Syscall32.MapProcessCodeMemory32) },
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{ 0x78, nameof(Syscall32.UnmapProcessCodeMemory32) },
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{ 0x7B, nameof(Syscall32.TerminateProcess32) }
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};
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foreach (KeyValuePair<int, string> value in svcFuncs32)
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{
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SvcTable32[value.Key] = GenerateMethod<Syscall32>(value.Value, SvcFuncMaxArguments32);
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}
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}
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private static Action<T, ExecutionContext> GenerateMethod<T>(string svcName, int registerCleanCount)
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{
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Type[] argTypes = new Type[] { typeof(T), typeof(ExecutionContext) };
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DynamicMethod method = new DynamicMethod(svcName, null, argTypes);
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MethodInfo methodInfo = typeof(T).GetMethod(svcName);
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ParameterInfo[] methodArgs = methodInfo.GetParameters();
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ILGenerator generator = method.GetILGenerator();
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void ConvertToArgType(Type sourceType)
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{
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CheckIfTypeIsSupported(sourceType, svcName);
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switch (Type.GetTypeCode(sourceType))
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{
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case TypeCode.UInt32: generator.Emit(OpCodes.Conv_U4); break;
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case TypeCode.Int32: generator.Emit(OpCodes.Conv_I4); break;
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case TypeCode.UInt16: generator.Emit(OpCodes.Conv_U2); break;
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case TypeCode.Int16: generator.Emit(OpCodes.Conv_I2); break;
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case TypeCode.Byte: generator.Emit(OpCodes.Conv_U1); break;
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case TypeCode.SByte: generator.Emit(OpCodes.Conv_I1); break;
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case TypeCode.Boolean:
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generator.Emit(OpCodes.Conv_I4);
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generator.Emit(OpCodes.Ldc_I4_1);
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generator.Emit(OpCodes.And);
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break;
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}
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}
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void ConvertToFieldType(Type sourceType)
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{
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CheckIfTypeIsSupported(sourceType, svcName);
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switch (Type.GetTypeCode(sourceType))
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{
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case TypeCode.UInt32:
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case TypeCode.Int32:
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case TypeCode.UInt16:
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case TypeCode.Int16:
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case TypeCode.Byte:
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case TypeCode.SByte:
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case TypeCode.Boolean:
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generator.Emit(OpCodes.Conv_U8);
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break;
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}
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}
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RAttribute GetRegisterAttribute(ParameterInfo parameterInfo)
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{
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RAttribute argumentAttribute = (RAttribute)parameterInfo.GetCustomAttribute(typeof(RAttribute));
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if (argumentAttribute == null)
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{
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throw new InvalidOperationException($"Method \"{svcName}\" is missing a {typeof(RAttribute).Name} attribute on parameter \"{parameterInfo.Name}\"");
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}
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return argumentAttribute;
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}
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// For functions returning output values, the first registers
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// are used to hold pointers where the value will be stored,
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// so they can't be used to pass argument and we must
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// skip them.
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int byRefArgsCount = 0;
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for (int index = 0; index < methodArgs.Length; index++)
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{
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if (methodArgs[index].ParameterType.IsByRef)
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{
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byRefArgsCount++;
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}
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}
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BindingFlags staticNonPublic = BindingFlags.NonPublic | BindingFlags.Static;
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// Print all the arguments for debugging purposes.
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int inputArgsCount = methodArgs.Length - byRefArgsCount;
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if (inputArgsCount != 0)
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{
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generator.Emit(OpCodes.Ldc_I4, inputArgsCount);
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generator.Emit(OpCodes.Newarr, typeof(object));
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string argsFormat = svcName;
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for (int index = 0; index < methodArgs.Length; index++)
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{
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Type argType = methodArgs[index].ParameterType;
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// Ignore out argument for printing
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if (argType.IsByRef)
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{
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continue;
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}
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RAttribute registerAttribute = GetRegisterAttribute(methodArgs[index]);
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argsFormat += $" {methodArgs[index].Name}: 0x{{{index}:X8}},";
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generator.Emit(OpCodes.Dup);
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generator.Emit(OpCodes.Ldc_I4, index);
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generator.Emit(OpCodes.Ldarg_1);
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generator.Emit(OpCodes.Ldc_I4, registerAttribute.Index);
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MethodInfo info = typeof(ExecutionContext).GetMethod(nameof(ExecutionContext.GetX));
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generator.Emit(OpCodes.Call, info);
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generator.Emit(OpCodes.Box, typeof(ulong));
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generator.Emit(OpCodes.Stelem_Ref);
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}
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argsFormat = argsFormat.Substring(0, argsFormat.Length - 1);
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generator.Emit(OpCodes.Ldstr, argsFormat);
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}
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else
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{
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generator.Emit(OpCodes.Ldnull);
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generator.Emit(OpCodes.Ldstr, svcName);
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}
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MethodInfo printArgsMethod = typeof(SyscallTable).GetMethod(nameof(PrintArguments), staticNonPublic);
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generator.Emit(OpCodes.Call, printArgsMethod);
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// Call the SVC function handler.
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generator.Emit(OpCodes.Ldarg_0);
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List<(LocalBuilder, RAttribute)> locals = new List<(LocalBuilder, RAttribute)>();
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for (int index = 0; index < methodArgs.Length; index++)
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{
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Type argType = methodArgs[index].ParameterType;
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RAttribute registerAttribute = GetRegisterAttribute(methodArgs[index]);
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if (argType.IsByRef)
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{
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argType = argType.GetElementType();
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LocalBuilder local = generator.DeclareLocal(argType);
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locals.Add((local, registerAttribute));
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if (!methodArgs[index].IsOut)
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{
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generator.Emit(OpCodes.Ldarg_1);
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generator.Emit(OpCodes.Ldc_I4, registerAttribute.Index);
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MethodInfo info = typeof(ExecutionContext).GetMethod(nameof(ExecutionContext.GetX));
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generator.Emit(OpCodes.Call, info);
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ConvertToArgType(argType);
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generator.Emit(OpCodes.Stloc, local);
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}
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generator.Emit(OpCodes.Ldloca, local);
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}
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else
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{
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generator.Emit(OpCodes.Ldarg_1);
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generator.Emit(OpCodes.Ldc_I4, registerAttribute.Index);
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MethodInfo info = typeof(ExecutionContext).GetMethod(nameof(ExecutionContext.GetX));
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generator.Emit(OpCodes.Call, info);
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ConvertToArgType(argType);
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}
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}
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generator.Emit(OpCodes.Call, methodInfo);
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Type retType = methodInfo.ReturnType;
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// Print result code.
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if (retType == typeof(KernelResult))
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{
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MethodInfo printResultMethod = typeof(SyscallTable).GetMethod(nameof(PrintResult), staticNonPublic);
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generator.Emit(OpCodes.Dup);
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generator.Emit(OpCodes.Ldstr, svcName);
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generator.Emit(OpCodes.Call, printResultMethod);
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}
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uint registerInUse = 0;
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// Save return value into register X0 (when the method has a return value).
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if (retType != typeof(void))
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{
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CheckIfTypeIsSupported(retType, svcName);
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LocalBuilder tempLocal = generator.DeclareLocal(retType);
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generator.Emit(OpCodes.Stloc, tempLocal);
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generator.Emit(OpCodes.Ldarg_1);
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generator.Emit(OpCodes.Ldc_I4, 0);
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generator.Emit(OpCodes.Ldloc, tempLocal);
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ConvertToFieldType(retType);
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MethodInfo info = typeof(ExecutionContext).GetMethod(nameof(ExecutionContext.SetX));
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generator.Emit(OpCodes.Call, info);
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registerInUse |= 1u << 0;
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}
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for (int index = 0; index < locals.Count; index++)
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{
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(LocalBuilder local, RAttribute attribute) = locals[index];
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if ((registerInUse & (1u << attribute.Index)) != 0)
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{
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throw new InvalidSvcException($"Method \"{svcName}\" has conflicting output values at register index \"{attribute.Index}\".");
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}
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generator.Emit(OpCodes.Ldarg_1);
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generator.Emit(OpCodes.Ldc_I4, attribute.Index);
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generator.Emit(OpCodes.Ldloc, local);
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ConvertToFieldType(local.LocalType);
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MethodInfo info = typeof(ExecutionContext).GetMethod(nameof(ExecutionContext.SetX));
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generator.Emit(OpCodes.Call, info);
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registerInUse |= 1u << attribute.Index;
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}
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// Zero out the remaining unused registers.
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for (int i = 0; i < registerCleanCount; i++)
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{
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if ((registerInUse & (1u << i)) != 0)
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{
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continue;
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}
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generator.Emit(OpCodes.Ldarg_1);
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generator.Emit(OpCodes.Ldc_I4, i);
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generator.Emit(OpCodes.Ldc_I8, 0L);
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MethodInfo info = typeof(ExecutionContext).GetMethod(nameof(ExecutionContext.SetX));
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generator.Emit(OpCodes.Call, info);
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}
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generator.Emit(OpCodes.Ret);
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return (Action<T, ExecutionContext>)method.CreateDelegate(typeof(Action<T, ExecutionContext>));
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}
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private static void CheckIfTypeIsSupported(Type type, string svcName)
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{
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switch (Type.GetTypeCode(type))
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{
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case TypeCode.UInt64:
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case TypeCode.Int64:
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case TypeCode.UInt32:
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case TypeCode.Int32:
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case TypeCode.UInt16:
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case TypeCode.Int16:
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case TypeCode.Byte:
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case TypeCode.SByte:
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case TypeCode.Boolean:
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return;
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}
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throw new InvalidSvcException($"Method \"{svcName}\" has a invalid ref type \"{type.Name}\".");
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}
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private static void PrintArguments(object[] argValues, string formatOrSvcName)
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{
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if (argValues != null)
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{
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Logger.Debug?.Print(LogClass.KernelSvc, string.Format(formatOrSvcName, argValues));
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}
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else
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{
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Logger.Debug?.Print(LogClass.KernelSvc, formatOrSvcName);
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}
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}
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private static void PrintResult(KernelResult result, string svcName)
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{
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if (result != KernelResult.Success &&
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result != KernelResult.TimedOut &&
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result != KernelResult.Cancelled &&
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|
result != KernelResult.InvalidState)
|
|
{
|
|
Logger.Warning?.Print(LogClass.KernelSvc, $"{svcName} returned error {result}.");
|
|
}
|
|
else
|
|
{
|
|
Logger.Debug?.Print(LogClass.KernelSvc, $"{svcName} returned result {result}.");
|
|
}
|
|
}
|
|
}
|
|
}
|