/// <summary>
/// Realizes an array creation.
/// </summary>
/// <param name="elementType">The element type.</param>
private void MakeNewArray(Type elementType)
{
// Setup length argument
var arguments = InlineList <ValueReference> .Create(
Builder.CreateConvertToInt32(
Location,
Block.PopInt(Location, ConvertFlags.None)));
var array = Builder.CreateNewArray(
Location,
Builder.CreateType(elementType, MemoryAddressSpace.Generic),
ref arguments);
// Clear array data
var callArguments = InlineList <ValueReference> .Create(
Builder.CreateGetViewFromArray(
Location,
array));
CreateCall(
LocalMemory.GetClearMethod(elementType),
ref callArguments);
// Push array instance
Block.Push(array);
}
private static Dictionary <ushort, string> GetSystemMessages(ModuleSnapshot snapshot, string pattern, int patternOffset)
{
Dictionary <ushort, string> result = new Dictionary <ushort, string>();
IntPtr funcAddress = new IntPtr(snapshot.FindPattern(pattern, 0, 0, false, false));
GetMessageNameFunc func = funcAddress.ToDelegate <GetMessageNameFunc>();
uint count = LocalMemory.Read <uint>(funcAddress + patternOffset);
for (ushort i = 0; i < count; i++)
{
result.Add(i, Marshal.PtrToStringUni(func(i)));
}
return(result);
}
/// <summary>
/// Realizes an array creation.
/// </summary>
/// <param name="elementType">The element type.</param>
private void MakeNewArray(Type elementType)
{
// Redirect call to the LocalMemory class to allocate an intialized array
var allocateZeroMethod = LocalMemory.GetAllocateZeroMethod(elementType);
// Setup length argument
var arguments = InlineList <ValueReference> .Create(
Builder.CreateConvertToInt64(
Location,
Block.PopInt(Location, ConvertFlags.None)));
CreateCall(allocateZeroMethod, ref arguments);
}
/// <summary>
/// Read an object of the specified struct from the current process.
/// </summary>
/// <typeparam name="T">The type of the struct.</typeparam>
/// <param name="address">The address to read from.</param>
/// <param name="result">The resulting object.</param>
/// <returns>Whether or not the read succeeded.</returns>
public static bool Read <T>(IntPtr address, out T result) where T : struct
{
if (!ReadBytes(address, SizeCache <T> .Size, out var buffer))
{
result = default;
return(false);
}
using var mem = new LocalMemory(buffer.Length);
mem.Write(buffer);
result = mem.Read <T>();
return(true);
}
/// <summary>
/// Marshals data from an unmanaged block of memory to a managed object.
/// </summary>
/// <param name="addr">The address to read from.</param>
/// <param name="type">The type to create.</param>
/// <returns>The read object, or null, if it could not be read.</returns>
public static object?PtrToStructure(IntPtr addr, Type type)
{
var size = Marshal.SizeOf(type);
if (!ReadBytes(addr, size, out var buffer))
{
return(null);
}
var mem = new LocalMemory(size);
mem.Write(buffer);
return(mem.Read(type));
}
/// <summary>
/// Write an array of structs to the current process.
/// </summary>
/// <typeparam name="T">The type of the structs.</typeparam>
/// <param name="address">The address to write to.</param>
/// <param name="objArray">The array to write.</param>
/// <returns>Whether or not the write succeeded.</returns>
public static bool Write <T>(IntPtr address, T[] objArray) where T : struct
{
if (objArray == null || objArray.Length == 0)
{
return(true);
}
var size = SizeCache <T> .Size;
using var mem = new LocalMemory(objArray.Length * size);
for (var i = 0; i < objArray.Length; i++)
{
mem.Write(objArray[i], i * size);
}
return(WriteBytes(address, mem.Read()));
}
internal static void MoveLoadsStoresAddressSpacesKernel(
ArrayView1D <int, Stride1D.Dense> source,
ArrayView1D <Int2, Stride1D.Dense> target)
{
var shared = ILGPU.SharedMemory.Allocate1D <int>(MaxLength);
var local = LocalMemory.Allocate1D <int>(MaxLength);
var index = Grid.GlobalIndex.X;
var value1 = source[index];
shared[index] = 42;
local[index] = shared[index];
var value2 = source[index + 1];
target[index] = new Int2(value1 + local[index], value2);
}
internal static void MoveLoadsStoresAddressSpacesBarrierKernel(
ArrayView1D <int, Stride1D.Dense> source,
ArrayView1D <Int2, Stride1D.Dense> target)
{
var shared = ILGPU.SharedMemory.Allocate1D <int>(MaxLength);
var local = LocalMemory.Allocate1D <int>(MaxLength);
var index = Grid.GlobalIndex.X;
var value1 = source[index];
shared[index] = Group.IdxX;
Group.Barrier();
local[index] = shared[Group.DimX - 2];
Group.Barrier();
var value2 = target[index];
target[index] = new Int2(value1 + local[index], value2.X + value2.Y);
}
/// <summary>
/// Read an array of objects of the specified struct from the current process.
/// </summary>
/// <typeparam name="T">The type of the struct.</typeparam>
/// <param name="address">The address to read from.</param>
/// <param name="count">The length of the array.</param>
/// <returns>An array of the read objects, or null if any entry of the array failed to read.</returns>
public static T[]? Read <T>(IntPtr address, int count) where T : struct
{
var size = SizeOf <T>();
if (!ReadBytes(address, count * size, out var buffer))
{
return(null);
}
var result = new T[count];
using var mem = new LocalMemory(buffer.Length);
mem.Write(buffer);
for (var i = 0; i < result.Length; i++)
{
result[i] = mem.Read <T>(i * size);
}
return(result);
}
/// <summary>
/// Write a struct to the current process.
/// </summary>
/// <typeparam name="T">The type of the struct.</typeparam>
/// <param name="address">The address to write to.</param>
/// <param name="obj">The object to write.</param>
/// <returns>Whether or not the write succeeded.</returns>
public static bool Write <T>(IntPtr address, T obj) where T : struct
{
using var mem = new LocalMemory(SizeCache <T> .Size);
mem.Write(obj);
return(WriteBytes(address, mem.Read()));
}
private static uint GetVersion(ModuleSnapshot snapshot, string pattern, int patternOffset) => LocalMemory.Read <uint>((IntPtr)snapshot.FindPattern(pattern, patternOffset, 0, true, false));
public LocalProcess() : base(Process.GetCurrentProcess())
{
Memory = new LocalMemory(Handle);
}
public ILearner GetLearner(int result)
{
ILearner learner = null;
switch (result)
{
case 1:
learner = new ContextSwitching(1000);
break;
case 2:
learner = new SharedResources();
break;
case 3:
learner = new LocalMemory();
break;
case 4:
learner = new ThreadPoolDemo();
break;
case 5:
learner = new Concepts();
break;
case 6:
learner = new ExceptionHandling();
break;
case 7:
learner = new TasksIntro();
break;
case 8:
learner = new TasksIOBound();
break;
case 9:
learner = new TasksChaining();
break;
case 10:
learner = new LocksAndMonitor();
break;
case 11:
learner = new NestedLocks();
break;
case 12:
learner = new DeadLocks();
break;
case 13:
learner = new ReaderWriterLock();
break;
case 14:
learner = new MutexLock();
break;
case 15:
learner = new Semaphores();
break;
default:
learner = new ContextSwitching(10);
break;
}
return(learner);
}