public void KernelReadWriteTest()
{
/*
*
*/
string s1 = "foo";
var proc = Process.GetCurrentProcess();
var addr = Mem.AddressOf(ref s1);
var s1New = "bar";
Mem.WriteProcessMemory(proc, addr, s1New);
Assert.AreEqual(s1, s1New);
var s2 = Mem.ReadProcessMemory <string>(proc, addr);
Assert.AreEqual(s2, s1New);
/*
*
*/
int i1 = 123;
var addr2 = Mem.AddressOf(ref i1);
var i1New = 321;
Mem.WriteProcessMemory(proc, addr2, i1New);
Assert.AreEqual(i1, i1New);
var i2 = Mem.ReadProcessMemory <int>(proc, addr2);
Assert.AreEqual(i2, i1New);
}
public void setup()
{
p = Mem.AddressOf(ref i);
fixed(int *x = &i)
{
p2 = x;
}
}
public void Test1()
{
int i = 256;
var ptr1 = Mem.AddressOf(ref i);
Assert.AreEqual(ptr1.Value, i);
Assert.AreEqual(ptr1.Reference, i);
var rg = new int[] { 1, 2, 3 };
Pointer <int> ptr2 = Mem.AddressOfHeap(rg, OffsetOptions.ArrayData);
fixed(int *p1 = rg)
{
int *cpy = p1;
for (int j = 0; j < rg.Length; j++)
{
Assert.True(ptr2.Address == Marshal.UnsafeAddrOfPinnedArrayElement(rg, j));
Assert.True(cpy++ == ptr2++);
}
}
}
// https://github.com/dotnet/coreclr/blob/master/src/inc/daccess.h
/// <summary>
/// Alias: PTR_HOST_MEMBER_TADDR (alt)
/// </summary>
internal static Pointer <byte> FieldOffsetAlt <T>(ref T value, long ofs, Pointer <byte> fieldValue)
where T : unmanaged
{
return(Mem.AddressOf(ref value).Add((long)fieldValue).Add(ofs).Cast());
}
public static string Dump <T>(ref T value, DumpOptions options, InspectorOptions options2)
{
switch (options)
{
case DumpOptions.Info:
//
var addrTable = new ConsoleTable("Addresses", "");
var addr = Mem.AddressOf(ref value);
addrTable.AddRow("Address", addr);
if (Mem.TryGetAddressOfHeap(value, out var heap))
{
addrTable.AddRow("Address (heap)", heap);
}
addrTable.Write(ConsoleTableFormat.Minimal);
//
var infoTable = new ConsoleTable("Sizes", "");
infoTable.AddRow("Intrinsic", Mem.SizeOf <T>());
infoTable.AddRow("Auto", Mem.SizeOf(value, SizeOfOptions.Auto));
infoTable.Write(ConsoleTableFormat.Minimal);
//
var propTable = new ConsoleTable("Runtime info", "");
propTable.AddRow("Pinnable", RuntimeProperties.IsPinnable(value));
propTable.AddRow("Blittable", RuntimeProperties.IsBlittable(value));
propTable.AddRow("Boxed", RuntimeProperties.IsBoxed(value));
propTable.AddRow("Nil", RuntimeProperties.IsDefault(value));
propTable.AddRow("Uninitialized", RuntimeProperties.IsNullMemory(value));
propTable.AddRow("In GC heap", GCHeap.IsHeapPointer(Mem.AddressOfData(ref value)));
return(propTable.ToMinimalString());
case DumpOptions.Sizes:
var layoutTable = new ConsoleTable("Size Type", "Value");
var options1 = Enum.GetValues <SizeOfOptions>().ToList();
options1.Remove(SizeOfOptions.Heap);
foreach (var option in options1)
{
var sizeOf = Mem.SizeOf(value, option);
if (sizeOf == Native.INVALID)
{
continue;
}
layoutTable.AddRow(Enum.GetName(option), sizeOf);
}
var mt = value.GetMetaType();
if (!mt.RuntimeType.IsValueType)
{
layoutTable.AddRow(nameof(SizeOfOptions.Heap), Mem.SizeOf(value, SizeOfOptions.Heap));
}
return(layoutTable.ToString());
case DumpOptions.Layout:
var layoutTable1 = new ConsoleTable();
var flags = EnumHelper.GetSetFlags(options2);
if (options2 == InspectorOptions.All)
{
flags.Remove(InspectorOptions.All);
}
layoutTable1.AddColumn(flags.Select(Enum.GetName));
// Rewrite options
options2 = default;
foreach (var flag in flags)
{
options2 |= flag;
}
var mt1 = value.GetMetaType();
var fields = mt1.Fields.Where(x => !x.IsStatic);
int s = Mem.SizeOf(value, SizeOfOptions.Auto);
var p = Mem.AddressOf(ref value);
foreach (var metaField in fields)
{
var rowValues = new List <object>();
if (options2.HasFlag(InspectorOptions.Offset))
{
rowValues.Add($"{metaField.Offset:X}");
}
if (options2.HasFlag(InspectorOptions.Size))
{
rowValues.Add(metaField.Size);
}
if (options2.HasFlag(InspectorOptions.Type))
{
rowValues.Add(metaField.FieldType.Name);
}
if (options2.HasFlag(InspectorOptions.Name))
{
rowValues.Add(metaField.Name);
}
if (options2.HasFlag(InspectorOptions.Address))
{
var addr1 = Mem.AddressOfData(ref value) + metaField.Offset;
rowValues.Add(addr1.ToString());
}
if (options2.HasFlag(InspectorOptions.Value))
{
object fieldVal;
if (!mt1.RuntimeType.IsConstructedGenericType)
{
fieldVal = metaField.Info.GetValue(value);
}
else
{
fieldVal = "?";
}
rowValues.Add($"{fieldVal}");
}
layoutTable1.AddRow(rowValues.ToArray());
}
if (value is string str)
{
for (int i = 1; i < str.Length; i++)
{
char c = str[i];
var rowValues = new List <object>();
int offsetBase = (i * sizeof(char));
if (options2.HasFlag(InspectorOptions.Offset))
{
rowValues.Add($"{offsetBase + RuntimeProperties.StringOverhead - sizeof(char):X}");
}
if (options2.HasFlag(InspectorOptions.Size))
{
rowValues.Add(sizeof(char));
}
if (options2.HasFlag(InspectorOptions.Type))
{
rowValues.Add(nameof(Char));
}
if (options2.HasFlag(InspectorOptions.Name))
{
rowValues.Add($"Char #{i + 1}");
}
if (options2.HasFlag(InspectorOptions.Address))
{
if (Mem.TryGetAddressOfHeap(value, OffsetOptions.StringData, out var addr2))
{
addr2 += offsetBase;
rowValues.Add(addr2.ToString());
}
}
if (options2.HasFlag(InspectorOptions.Value))
{
rowValues.Add($"{c}");
}
layoutTable1.AddRow(rowValues.ToArray());
}
}
return(layoutTable1.ToString());
default:
throw new ArgumentOutOfRangeException(nameof(options));
}
}
