337 lines
11 KiB
C#
337 lines
11 KiB
C#
using ARMeilleure.Translation.PTC;
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using Ryujinx.Common;
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using Ryujinx.Common.Logging;
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using Ryujinx.HLE.HOS.Kernel;
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using Ryujinx.HLE.HOS.Kernel.Common;
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using Ryujinx.HLE.HOS.Kernel.Memory;
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using Ryujinx.HLE.HOS.Kernel.Process;
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using Ryujinx.HLE.Loaders.Executables;
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using Ryujinx.HLE.Loaders.Npdm;
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using System;
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using System.Linq;
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namespace Ryujinx.HLE.HOS
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{
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static class ProgramLoader
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{
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private const bool AslrEnabled = true;
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private const int ArgsHeaderSize = 8;
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private const int ArgsDataSize = 0x9000;
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private const int ArgsTotalSize = ArgsHeaderSize + ArgsDataSize;
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public static bool LoadKip(KernelContext context, KipExecutable kip)
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{
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uint endOffset = kip.DataOffset + (uint)kip.Data.Length;
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if (kip.BssSize != 0)
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{
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endOffset = kip.BssOffset + kip.BssSize;
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}
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uint codeSize = BitUtils.AlignUp(kip.TextOffset + endOffset, KPageTableBase.PageSize);
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int codePagesCount = (int)(codeSize / KPageTableBase.PageSize);
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ulong codeBaseAddress = kip.Is64BitAddressSpace ? 0x8000000UL : 0x200000UL;
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ulong codeAddress = codeBaseAddress + (ulong)kip.TextOffset;
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ProcessCreationFlags flags = 0;
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if (AslrEnabled)
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{
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// TODO: Randomization.
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flags |= ProcessCreationFlags.EnableAslr;
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}
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if (kip.Is64BitAddressSpace)
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{
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flags |= ProcessCreationFlags.AddressSpace64Bit;
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}
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if (kip.Is64Bit)
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{
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flags |= ProcessCreationFlags.Is64Bit;
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}
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ProcessCreationInfo creationInfo = new ProcessCreationInfo(
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kip.Name,
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kip.Version,
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kip.ProgramId,
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codeAddress,
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codePagesCount,
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flags,
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0,
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0);
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MemoryRegion memoryRegion = kip.UsesSecureMemory
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? MemoryRegion.Service
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: MemoryRegion.Application;
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KMemoryRegionManager region = context.MemoryManager.MemoryRegions[(int)memoryRegion];
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KernelResult result = region.AllocatePages((ulong)codePagesCount, false, out KPageList pageList);
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if (result != KernelResult.Success)
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{
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Logger.Error?.Print(LogClass.Loader, $"Process initialization returned error \"{result}\".");
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return false;
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}
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KProcess process = new KProcess(context);
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var processContextFactory = new ArmProcessContextFactory(context.Device.Gpu);
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result = process.InitializeKip(
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creationInfo,
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kip.Capabilities,
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pageList,
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context.ResourceLimit,
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memoryRegion,
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processContextFactory);
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if (result != KernelResult.Success)
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{
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Logger.Error?.Print(LogClass.Loader, $"Process initialization returned error \"{result}\".");
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return false;
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}
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result = LoadIntoMemory(process, kip, codeBaseAddress);
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if (result != KernelResult.Success)
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{
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Logger.Error?.Print(LogClass.Loader, $"Process initialization returned error \"{result}\".");
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return false;
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}
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process.DefaultCpuCore = kip.IdealCoreId;
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result = process.Start(kip.Priority, (ulong)kip.StackSize);
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if (result != KernelResult.Success)
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{
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Logger.Error?.Print(LogClass.Loader, $"Process start returned error \"{result}\".");
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return false;
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}
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context.Processes.TryAdd(process.Pid, process);
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return true;
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}
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public static bool LoadNsos(KernelContext context, out ProcessTamperInfo tamperInfo, Npdm metaData, byte[] arguments = null, params IExecutable[] executables)
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{
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ulong argsStart = 0;
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uint argsSize = 0;
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ulong codeStart = metaData.Is64Bit ? 0x8000000UL : 0x200000UL;
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uint codeSize = 0;
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var buildIds = executables.Select(e => (e switch
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{
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NsoExecutable nso => BitConverter.ToString(nso.BuildId.Bytes.ToArray()),
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NroExecutable nro => BitConverter.ToString(nro.Header.BuildId),
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_ => ""
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}).Replace("-", "").ToUpper());
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ulong[] nsoBase = new ulong[executables.Length];
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for (int index = 0; index < executables.Length; index++)
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{
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IExecutable nso = executables[index];
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uint textEnd = nso.TextOffset + (uint)nso.Text.Length;
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uint roEnd = nso.RoOffset + (uint)nso.Ro.Length;
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uint dataEnd = nso.DataOffset + (uint)nso.Data.Length + nso.BssSize;
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uint nsoSize = textEnd;
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if (nsoSize < roEnd)
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{
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nsoSize = roEnd;
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}
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if (nsoSize < dataEnd)
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{
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nsoSize = dataEnd;
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}
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nsoSize = BitUtils.AlignUp(nsoSize, KPageTableBase.PageSize);
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nsoBase[index] = codeStart + (ulong)codeSize;
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codeSize += nsoSize;
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if (arguments != null && argsSize == 0)
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{
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argsStart = (ulong)codeSize;
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argsSize = (uint)BitUtils.AlignDown(arguments.Length * 2 + ArgsTotalSize - 1, KPageTableBase.PageSize);
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codeSize += argsSize;
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}
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}
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PtcProfiler.StaticCodeStart = codeStart;
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PtcProfiler.StaticCodeSize = (ulong)codeSize;
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int codePagesCount = (int)(codeSize / KPageTableBase.PageSize);
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int personalMmHeapPagesCount = metaData.PersonalMmHeapSize / KPageTableBase.PageSize;
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ProcessCreationInfo creationInfo = new ProcessCreationInfo(
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metaData.TitleName,
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metaData.Version,
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metaData.Aci0.TitleId,
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codeStart,
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codePagesCount,
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(ProcessCreationFlags)metaData.ProcessFlags | ProcessCreationFlags.IsApplication,
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0,
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personalMmHeapPagesCount);
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KernelResult result;
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KResourceLimit resourceLimit = new KResourceLimit(context);
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long applicationRgSize = (long)context.MemoryManager.MemoryRegions[(int)MemoryRegion.Application].Size;
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result = resourceLimit.SetLimitValue(LimitableResource.Memory, applicationRgSize);
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result |= resourceLimit.SetLimitValue(LimitableResource.Thread, 608);
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result |= resourceLimit.SetLimitValue(LimitableResource.Event, 700);
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result |= resourceLimit.SetLimitValue(LimitableResource.TransferMemory, 128);
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result |= resourceLimit.SetLimitValue(LimitableResource.Session, 894);
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if (result != KernelResult.Success)
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{
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Logger.Error?.Print(LogClass.Loader, $"Process initialization failed setting resource limit values.");
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tamperInfo = null;
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return false;
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}
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KProcess process = new KProcess(context);
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MemoryRegion memoryRegion = (MemoryRegion)((metaData.Acid.Flags >> 2) & 0xf);
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if (memoryRegion > MemoryRegion.NvServices)
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{
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Logger.Error?.Print(LogClass.Loader, $"Process initialization failed due to invalid ACID flags.");
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tamperInfo = null;
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return false;
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}
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var processContextFactory = new ArmProcessContextFactory(context.Device.Gpu);
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result = process.Initialize(
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creationInfo,
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metaData.Aci0.KernelAccessControl.Capabilities,
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resourceLimit,
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memoryRegion,
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processContextFactory);
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if (result != KernelResult.Success)
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{
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Logger.Error?.Print(LogClass.Loader, $"Process initialization returned error \"{result}\".");
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tamperInfo = null;
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return false;
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}
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for (int index = 0; index < executables.Length; index++)
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{
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Logger.Info?.Print(LogClass.Loader, $"Loading image {index} at 0x{nsoBase[index]:x16}...");
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result = LoadIntoMemory(process, executables[index], nsoBase[index]);
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if (result != KernelResult.Success)
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{
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Logger.Error?.Print(LogClass.Loader, $"Process initialization returned error \"{result}\".");
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tamperInfo = null;
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return false;
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}
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}
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process.DefaultCpuCore = metaData.DefaultCpuId;
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result = process.Start(metaData.MainThreadPriority, (ulong)metaData.MainThreadStackSize);
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if (result != KernelResult.Success)
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{
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Logger.Error?.Print(LogClass.Loader, $"Process start returned error \"{result}\".");
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tamperInfo = null;
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return false;
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}
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context.Processes.TryAdd(process.Pid, process);
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// Keep the build ids because the tamper machine uses them to know which process to associate a
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// tamper to and also keep the starting address of each executable inside a process because some
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// memory modifications are relative to this address.
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tamperInfo = new ProcessTamperInfo(process, buildIds, nsoBase, process.MemoryManager.HeapRegionStart);
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return true;
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}
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private static KernelResult LoadIntoMemory(KProcess process, IExecutable image, ulong baseAddress)
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{
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ulong textStart = baseAddress + (ulong)image.TextOffset;
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ulong roStart = baseAddress + (ulong)image.RoOffset;
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ulong dataStart = baseAddress + (ulong)image.DataOffset;
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ulong bssStart = baseAddress + (ulong)image.BssOffset;
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ulong end = dataStart + (ulong)image.Data.Length;
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if (image.BssSize != 0)
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{
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end = bssStart + (ulong)image.BssSize;
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}
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process.CpuMemory.Write(textStart, image.Text);
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process.CpuMemory.Write(roStart, image.Ro);
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process.CpuMemory.Write(dataStart, image.Data);
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process.CpuMemory.Fill(bssStart, image.BssSize, 0);
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KernelResult SetProcessMemoryPermission(ulong address, ulong size, KMemoryPermission permission)
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{
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if (size == 0)
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{
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return KernelResult.Success;
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}
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size = BitUtils.AlignUp(size, KPageTableBase.PageSize);
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return process.MemoryManager.SetProcessMemoryPermission(address, size, permission);
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}
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KernelResult result = SetProcessMemoryPermission(textStart, (ulong)image.Text.Length, KMemoryPermission.ReadAndExecute);
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if (result != KernelResult.Success)
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{
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return result;
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}
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result = SetProcessMemoryPermission(roStart, (ulong)image.Ro.Length, KMemoryPermission.Read);
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if (result != KernelResult.Success)
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{
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return result;
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}
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return SetProcessMemoryPermission(dataStart, end - dataStart, KMemoryPermission.ReadAndWrite);
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}
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}
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} |