Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / clr / src / BCL / System / StubHelpers.cs / 1305376 / StubHelpers.cs
// ==++==
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
// ==--==
namespace System.StubHelpers {
using System.Text;
using Microsoft.Win32;
using System.Security;
using System.Collections.Generic;
using System.Runtime;
using System.Runtime.InteropServices;
using System.Runtime.CompilerServices;
using System.Runtime.ConstrainedExecution;
using System.Diagnostics.Contracts;
[ReliabilityContract(Consistency.WillNotCorruptState, Cer.MayFail)]
internal static class AnsiCharMarshaler
{
// The length of the returned array is an approximation based on the length of the input string and the system
// character set. It is only guaranteed to be larger or equal to cbLength, don't depend on the exact value.
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[System.Security.SecurityCritical]
static internal byte[] DoAnsiConversion(string str, bool fBestFit, bool fThrowOnUnmappableChar, out int cbLength)
{
return str.ConvertToAnsi(Marshal.SystemMaxDBCSCharSize, fBestFit, fThrowOnUnmappableChar, out cbLength);
}
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[System.Security.SecurityCritical]
static internal byte ConvertToNative(char managedChar, bool fBestFit, bool fThrowOnUnmappableChar)
{
int cbLength;
byte[] bytes = DoAnsiConversion(managedChar.ToString(), fBestFit, fThrowOnUnmappableChar, out cbLength);
BCLDebug.Assert(cbLength > 0, "Zero bytes returned from DoAnsiConversion in AnsiCharMarshaler.ConvertToNative");
return bytes[0];
}
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
static internal char ConvertToManaged(byte nativeChar)
{
byte[] bytes = new byte[1] { nativeChar };
string str = Encoding.Default.GetString(bytes);
return str[0];
}
}
[ReliabilityContract(Consistency.WillNotCorruptState, Cer.MayFail)]
internal static class CSTRMarshaler
{
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[System.Security.SecurityCritical] // auto-generated
static internal unsafe IntPtr ConvertToNative(int flags, string strManaged, IntPtr pNativeBuffer)
{
if (null == strManaged)
{
return IntPtr.Zero;
}
StubHelpers.CheckStringLength(strManaged.Length);
int nb;
byte[] bytes = AnsiCharMarshaler.DoAnsiConversion(strManaged, 0 != (flags & 0xFF), 0 != (flags >> 8), out nb);
// Use the pre-allocated buffer (allocated by localloc IL instruction) if not NULL,
// otherwise fallback to AllocCoTaskMem
byte *pbNativeBuffer = (byte *)pNativeBuffer;
if (pbNativeBuffer == null)
{
// + 1 for the null character from the user. + 1 for the null character we put in.
pbNativeBuffer = (byte*)Marshal.AllocCoTaskMem(nb + 2);
}
Buffer.memcpy(bytes, 0, pbNativeBuffer, 0, nb);
pbNativeBuffer[nb] = 0x00;
pbNativeBuffer[nb + 1] = 0x00;
return (IntPtr)pbNativeBuffer;
}
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[System.Security.SecurityCritical] // auto-generated
static internal unsafe string ConvertToManaged(IntPtr cstr)
{
if (IntPtr.Zero == cstr)
return null;
else
return new String((sbyte*)cstr);
}
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[System.Security.SecurityCritical] // auto-generated
static internal void ClearNative(IntPtr pNative)
{
Win32Native.CoTaskMemFree(pNative);
}
}
[ReliabilityContract(Consistency.WillNotCorruptState, Cer.MayFail)]
internal static class BSTRMarshaler
{
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[System.Security.SecurityCritical] // auto-generated
static internal unsafe IntPtr ConvertToNative(string strManaged, IntPtr pNativeBuffer)
{
if (null == strManaged)
{
return IntPtr.Zero;
}
else
{
StubHelpers.CheckStringLength(strManaged.Length);
byte trailByte;
bool hasTrailByte = strManaged.TryGetTrailByte(out trailByte);
uint lengthInBytes = (uint)strManaged.Length * 2;
if (hasTrailByte)
{
// this is an odd-sized string with a trailing byte stored in its [....] block
lengthInBytes++;
}
byte *ptrToFirstChar;
if (pNativeBuffer != IntPtr.Zero)
{
// If caller provided a buffer, construct the BSTR manually. The size
// of the buffer must be at least (lengthInBytes + 6) bytes.
#if _DEBUG
uint length = *((uint *)pNativeBuffer.ToPointer());
BCLDebug.Assert(length >= lengthInBytes + 6, "BSTR localloc'ed buffer is too small");
#endif // _DEBUG
// set length
*((uint *)pNativeBuffer.ToPointer()) = lengthInBytes;
ptrToFirstChar = (byte *)pNativeBuffer.ToPointer() + 4;
}
else
{
// If not provided, allocate the buffer using SysAllocStringByteLen so
// that odd-sized strings will be handled as well.
ptrToFirstChar = (byte *)Win32Native.SysAllocStringByteLen(null, lengthInBytes).ToPointer();
}
// copy characters from the managed string
fixed (char* ch = strManaged)
{
Buffer.memcpyimpl(
(byte *)ch,
ptrToFirstChar,
(strManaged.Length + 1) * 2);
}
// copy the trail byte if present
if (hasTrailByte)
{
ptrToFirstChar[lengthInBytes - 1] = trailByte;
}
// return ptr to first character
return (IntPtr)ptrToFirstChar;
}
}
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[System.Security.SecurityCritical] // auto-generated
static internal unsafe string ConvertToManaged(IntPtr bstr)
{
if (IntPtr.Zero == bstr)
{
return null;
}
else
{
uint length = Win32Native.SysStringByteLen(bstr);
// Intentionally checking the number of bytes not characters to match the behavior
// of ML marshalers. This prevents roundtripping of very large strings as the check
// in the managed->native direction is done on String length but considering that
// it's completely moot on 32-bit and not expected to be important on 64-bit either,
// the ability to catch random garbage in the BSTR's length field outweighs this
// restriction. If an ordinary null-terminated string is passed instead of a BSTR,
// chances are that the length field - possibly being unallocated memory - contains
// a heap fill pattern that will have the highest bit set, caught by the check.
StubHelpers.CheckStringLength(length);
string ret = new String((char*)bstr, 0, (int)(length / 2));
if ((length & 1) == 1)
{
// odd-sized strings need to have the trailing byte saved in their [....] block
ret.SetTrailByte(((byte *)bstr.ToPointer())[length - 1]);
}
return ret;
}
}
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[System.Security.SecurityCritical] // auto-generated
static internal void ClearNative(IntPtr pNative)
{
if (IntPtr.Zero != pNative)
{
Win32Native.SysFreeString(pNative);
}
}
}
[ReliabilityContract(Consistency.WillNotCorruptState, Cer.MayFail)]
internal static class VBByValStrMarshaler
{
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[System.Security.SecurityCritical] // auto-generated
static internal unsafe IntPtr ConvertToNative(string strManaged, bool fBestFit, bool fThrowOnUnmappableChar, ref int cch)
{
if (null == strManaged)
{
return IntPtr.Zero;
}
byte* pNative;
cch = strManaged.Length;
StubHelpers.CheckStringLength(cch);
// length field at negative offset + (# of characters incl. the terminator) * max ANSI char size
int nbytes = sizeof(uint) + ((cch + 1) * Marshal.SystemMaxDBCSCharSize);
pNative = (byte*)Marshal.AllocCoTaskMem(nbytes);
int* pLength = (int*)pNative;
pNative = pNative + sizeof(uint);
if (0 == cch)
{
*pNative = 0;
*pLength = 0;
}
else
{
int nbytesused;
byte[] bytes = AnsiCharMarshaler.DoAnsiConversion(strManaged, fBestFit, fThrowOnUnmappableChar, out nbytesused);
BCLDebug.Assert(nbytesused < nbytes, "Insufficient buffer allocated in VBByValStrMarshaler.ConvertToNative");
Buffer.memcpy(bytes, 0, pNative, 0, nbytesused);
pNative[nbytesused] = 0;
*pLength = nbytesused;
}
return new IntPtr(pNative);
}
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[System.Security.SecurityCritical] // auto-generated
static internal unsafe string ConvertToManaged(IntPtr pNative, int cch)
{
if (IntPtr.Zero == pNative)
{
return null;
}
return new String((sbyte*)pNative, 0, cch);
}
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[System.Security.SecurityCritical] // auto-generated
static internal unsafe void ClearNative(IntPtr pNative)
{
if (IntPtr.Zero != pNative)
{
Win32Native.CoTaskMemFree((IntPtr)(((long)pNative) - sizeof(uint)));
}
}
}
[ReliabilityContract(Consistency.WillNotCorruptState, Cer.MayFail)]
internal static class AnsiBSTRMarshaler
{
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[System.Security.SecurityCritical] // auto-generated
static internal unsafe IntPtr ConvertToNative(int flags, string strManaged)
{
if (null == strManaged)
{
return IntPtr.Zero;
}
int length = strManaged.Length;
StubHelpers.CheckStringLength(length);
byte[] bytes = null;
int nb = 0;
if (length > 0)
{
bytes = AnsiCharMarshaler.DoAnsiConversion(strManaged, 0 != (flags & 0xFF), 0 != (flags >> 8), out nb);
}
return Win32Native.SysAllocStringByteLen(bytes, (uint)nb);
}
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[System.Security.SecurityCritical] // auto-generated
static internal unsafe string ConvertToManaged(IntPtr bstr)
{
if (IntPtr.Zero == bstr)
{
return null;
}
else
{
// We intentionally ignore the length field of the BSTR for back compat reasons.
// Unfortunately VB.NET uses Ansi BSTR marshaling when a string is passed ByRef
// and we cannot afford to break this common scenario.
return new String((sbyte*)bstr);
}
}
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[System.Security.SecurityCritical] // auto-generated
static internal unsafe void ClearNative(IntPtr pNative)
{
if (IntPtr.Zero != pNative)
{
Win32Native.SysFreeString(pNative);
}
}
}
[ReliabilityContract(Consistency.WillNotCorruptState, Cer.MayFail)]
internal static class WSTRBufferMarshaler
{
static internal IntPtr ConvertToNative(string strManaged)
{
Contract.Assert(false, "NYI");
return IntPtr.Zero;
}
static internal unsafe string ConvertToManaged(IntPtr bstr)
{
Contract.Assert(false, "NYI");
return null;
}
static internal void ClearNative(IntPtr pNative)
{
Contract.Assert(false, "NYI");
}
}
#if FEATURE_COMINTEROP
[ReliabilityContract(Consistency.WillNotCorruptState, Cer.MayFail)]
internal static class ObjectMarshaler
{
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern void ConvertToNative(object objSrc, IntPtr pDstVariant);
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern object ConvertToManaged(IntPtr pSrcVariant);
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern void ClearNative(IntPtr pVariant);
}
#endif // FEATURE_COMINTEROP
[ReliabilityContract(Consistency.WillNotCorruptState, Cer.MayFail)]
internal static class ValueClassMarshaler
{
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[SecurityCritical]
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern void ConvertToNative(IntPtr dst, IntPtr src, IntPtr pMT, ref CleanupWorkList pCleanupWorkList);
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern void ConvertToManaged(IntPtr dst, IntPtr src, IntPtr pMT);
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern void ClearNative(IntPtr dst, IntPtr pMT);
}
[ReliabilityContract(Consistency.WillNotCorruptState, Cer.MayFail)]
internal static class DateMarshaler
{
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern double ConvertToNative(DateTime managedDate);
// The return type is really DateTime but we use long to avoid the pain associated with returning structures.
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern long ConvertToManaged(double nativeDate);
}
#if FEATURE_COMINTEROP
[ReliabilityContract(Consistency.WillNotCorruptState, Cer.MayFail)]
internal static class InterfaceMarshaler
{
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern IntPtr ConvertToNative(object objSrc, IntPtr itfMT, IntPtr classMT, int flags);
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern object ConvertToManaged(IntPtr pUnk, IntPtr itfMT, IntPtr classMT, int flags);
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern void ClearNative(IntPtr pUnk);
}
#endif // FEATURE_COMINTEROP
[ReliabilityContract(Consistency.WillNotCorruptState, Cer.MayFail)]
internal static class MngdNativeArrayMarshaler
{
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern void CreateMarshaler(IntPtr pMarshalState, IntPtr pMT, int dwFlags);
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern void ConvertSpaceToNative(IntPtr pMarshalState, ref object pManagedHome, IntPtr pNativeHome);
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern void ConvertContentsToNative(IntPtr pMarshalState, ref object pManagedHome, IntPtr pNativeHome);
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern void ConvertSpaceToManaged(IntPtr pMarshalState, ref object pManagedHome, IntPtr pNativeHome,
int cElements);
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern void ConvertContentsToManaged(IntPtr pMarshalState, ref object pManagedHome, IntPtr pNativeHome);
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern void ClearNative(IntPtr pMarshalState, IntPtr pNativeHome, int cElements);
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern void ClearNativeContents(IntPtr pMarshalState, IntPtr pNativeHome, int cElements);
}
#if FEATURE_COMINTEROP
[ReliabilityContract(Consistency.WillNotCorruptState, Cer.MayFail)]
internal static class MngdSafeArrayMarshaler
{
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern void CreateMarshaler(IntPtr pMarshalState, IntPtr pMT, int iRank, int dwFlags);
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern void ConvertSpaceToNative(IntPtr pMarshalState, ref object pManagedHome, IntPtr pNativeHome);
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern void ConvertContentsToNative(IntPtr pMarshalState, ref object pManagedHome, IntPtr pNativeHome, object pOriginalManaged);
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern void ConvertSpaceToManaged(IntPtr pMarshalState, ref object pManagedHome, IntPtr pNativeHome);
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern void ConvertContentsToManaged(IntPtr pMarshalState, ref object pManagedHome, IntPtr pNativeHome);
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern void ClearNative(IntPtr pMarshalState, ref object pManagedHome, IntPtr pNativeHome);
}
#endif // FEATURE_COMINTEROP
[ReliabilityContract(Consistency.WillNotCorruptState, Cer.MayFail)]
internal static class MngdRefCustomMarshaler
{
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern void CreateMarshaler(IntPtr pMarshalState, IntPtr pCMHelper);
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern void ConvertContentsToNative(IntPtr pMarshalState, ref object pManagedHome, IntPtr pNativeHome);
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern void ConvertContentsToManaged(IntPtr pMarshalState, ref object pManagedHome, IntPtr pNativeHome);
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern void ClearNative(IntPtr pMarshalState, ref object pManagedHome, IntPtr pNativeHome);
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern void ClearManaged(IntPtr pMarshalState, ref object pManagedHome, IntPtr pNativeHome);
}
[ReliabilityContract(Consistency.WillNotCorruptState, Cer.MayFail)]
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[System.Security.SecurityCritical]
internal struct AsAnyMarshaler
{
private const ushort VTHACK_ANSICHAR = 253;
private const ushort VTHACK_WINBOOL = 254;
private enum BackPropAction
{
None,
Array,
Layout,
StringBuilderAnsi,
StringBuilderUnicode
}
// Pointer to MngdNativeArrayMarshaler, ownership not assumed.
private IntPtr pvArrayMarshaler;
// Type of action to perform after the CLR-to-unmanaged call.
private BackPropAction backPropAction;
// The managed layout type for BackPropAction.Layout.
private Type layoutType;
// Cleanup list to be destroyed when clearing the native view (for layouts with SafeHandles).
private CleanupWorkList cleanupWorkList;
private static bool IsIn(int dwFlags) { return ((dwFlags & 0x10000000) != 0); }
private static bool IsOut(int dwFlags) { return ((dwFlags & 0x20000000) != 0); }
private static bool IsAnsi(int dwFlags) { return ((dwFlags & 0x00FF0000) != 0); }
private static bool IsThrowOn(int dwFlags) { return ((dwFlags & 0x0000FF00) != 0); }
private static bool IsBestFit(int dwFlags) { return ((dwFlags & 0x000000FF) != 0); }
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
internal AsAnyMarshaler(IntPtr pvArrayMarshaler)
{
// we need this in case the value being marshaled turns out to be array
BCLDebug.Assert(pvArrayMarshaler != IntPtr.Zero, "pvArrayMarshaler must not be null");
this.pvArrayMarshaler = pvArrayMarshaler;
this.backPropAction = BackPropAction.None;
this.layoutType = null;
this.cleanupWorkList = null;
}
#region ConvertToNative helpers
[System.Security.SecurityCritical]
private unsafe IntPtr ConvertArrayToNative(object pManagedHome, int dwFlags)
{
Type elementType = pManagedHome.GetType().GetElementType();
VarEnum vt = VarEnum.VT_EMPTY;
switch (Type.GetTypeCode(elementType))
{
case TypeCode.SByte: vt = VarEnum.VT_I1; break;
case TypeCode.Byte: vt = VarEnum.VT_UI1; break;
case TypeCode.Int16: vt = VarEnum.VT_I2; break;
case TypeCode.UInt16: vt = VarEnum.VT_UI2; break;
case TypeCode.Int32: vt = VarEnum.VT_I4; break;
case TypeCode.UInt32: vt = VarEnum.VT_UI4; break;
case TypeCode.Int64: vt = VarEnum.VT_I8; break;
case TypeCode.UInt64: vt = VarEnum.VT_UI8; break;
case TypeCode.Single: vt = VarEnum.VT_R4; break;
case TypeCode.Double: vt = VarEnum.VT_R8; break;
case TypeCode.Char: vt = (IsAnsi(dwFlags) ? (VarEnum)VTHACK_ANSICHAR : VarEnum.VT_UI2); break;
case TypeCode.Boolean: vt = (VarEnum)VTHACK_WINBOOL; break;
case TypeCode.Object:
{
if (elementType == typeof(IntPtr))
{
vt = (IntPtr.Size == 4 ? VarEnum.VT_I4 : VarEnum.VT_I8);
}
else if (elementType == typeof(UIntPtr))
{
vt = (IntPtr.Size == 4 ? VarEnum.VT_UI4 : VarEnum.VT_UI8);
}
else goto default;
break;
}
default:
throw new ArgumentException(Environment.GetResourceString("Arg_NDirectBadObject"));
}
// marshal the object as C-style array (UnmanagedType.LPArray)
int dwArrayMarshalerFlags = (int)vt;
if (IsBestFit(dwFlags)) dwArrayMarshalerFlags |= (1 << 16);
if (IsThrowOn(dwFlags)) dwArrayMarshalerFlags |= (1 << 24);
MngdNativeArrayMarshaler.CreateMarshaler(
pvArrayMarshaler,
IntPtr.Zero, // not needed as we marshal primitive VTs only
dwArrayMarshalerFlags);
IntPtr pNativeHome;
IntPtr pNativeHomeAddr = new IntPtr(&pNativeHome);
MngdNativeArrayMarshaler.ConvertSpaceToNative(
pvArrayMarshaler,
ref pManagedHome,
pNativeHomeAddr);
if (IsIn(dwFlags))
{
MngdNativeArrayMarshaler.ConvertContentsToNative(
pvArrayMarshaler,
ref pManagedHome,
pNativeHomeAddr);
}
if (IsOut(dwFlags))
{
backPropAction = BackPropAction.Array;
}
return pNativeHome;
}
[System.Security.SecurityCritical]
private static IntPtr ConvertStringToNative(string pManagedHome, int dwFlags)
{
IntPtr pNativeHome;
// IsIn, IsOut are ignored for strings - they're always in-only
if (IsAnsi(dwFlags))
{
// marshal the object as Ansi string (UnmanagedType.LPStr)
pNativeHome = CSTRMarshaler.ConvertToNative(
dwFlags & 0xFFFF, // (throw on unmappable char << 8 | best fit)
pManagedHome, //
IntPtr.Zero); // unmanaged buffer will be allocated
}
else
{
// marshal the object as Unicode string (UnmanagedType.LPWStr)
StubHelpers.CheckStringLength(pManagedHome.Length);
int allocSize = (pManagedHome.Length + 1) * 2;
pNativeHome = Marshal.AllocCoTaskMem(allocSize);
String.InternalCopy(pManagedHome, pNativeHome, allocSize);
}
return pNativeHome;
}
[System.Security.SecurityCritical]
private unsafe IntPtr ConvertStringBuilderToNative(StringBuilder pManagedHome, int dwFlags)
{
IntPtr pNativeHome;
// P/Invoke can be used to call Win32 apis that don't strictly follow CLR in/out semantics and thus may
// leave garbage in the buffer in circumstances that we can't detect. To prevent us from crashing when
// converting the contents back to managed, put a hidden NULL terminator past the end of the official buffer.
// Unmanaged layout:
// +====================================+
// | Extra hidden NULL |
// +====================================+ \
// | | |
// | [Converted] NULL-terminated string | |- buffer that the target may change
// | | |
// +====================================+ / <-- native home
// Note that StringBuilder.Capacity is the number of characters NOT including any terminators.
if (IsAnsi(dwFlags))
{
StubHelpers.CheckStringLength(pManagedHome.Capacity);
// marshal the object as Ansi string (UnmanagedType.LPStr)
int allocSize = (pManagedHome.Capacity * Marshal.SystemMaxDBCSCharSize) + 4;
pNativeHome = Marshal.AllocCoTaskMem(allocSize);
byte* ptr = (byte*)pNativeHome;
*(ptr + allocSize - 3) = 0;
*(ptr + allocSize - 2) = 0;
*(ptr + allocSize - 1) = 0;
if (IsIn(dwFlags))
{
int length;
byte[] bytes = AnsiCharMarshaler.DoAnsiConversion(
pManagedHome.ToString(),
IsBestFit(dwFlags),
IsThrowOn(dwFlags),
out length);
Buffer.memcpy(
bytes, // src array
0, // src index
ptr, // dst buffer
0, // dts index
length); // len
// null-terminate the native string
*(ptr + length) = 0;
}
if (IsOut(dwFlags))
{
backPropAction = BackPropAction.StringBuilderAnsi;
}
}
else
{
// marshal the object as Unicode string (UnmanagedType.LPWStr)
int allocSize = (pManagedHome.Capacity * 2) + 4;
pNativeHome = Marshal.AllocCoTaskMem(allocSize);
byte* ptr = (byte*)pNativeHome;
*(ptr + allocSize - 1) = 0;
*(ptr + allocSize - 2) = 0;
if (IsIn(dwFlags))
{
int length = pManagedHome.Length * 2;
pManagedHome.InternalCopy(pNativeHome, length);
// null-terminate the native string
*(ptr + length + 0) = 0;
*(ptr + length + 1) = 0;
}
if (IsOut(dwFlags))
{
backPropAction = BackPropAction.StringBuilderUnicode;
}
}
return pNativeHome;
}
[System.Security.SecurityCritical]
private unsafe IntPtr ConvertLayoutToNative(object pManagedHome, int dwFlags)
{
// Note that the following call will not throw exception if the type
// of pManagedHome is not marshalable. That's intentional because we
// want to maintain the original behavior where this was indicated
// by TypeLoadException during the actual field marshaling.
int allocSize = Marshal.SizeOfHelper(pManagedHome.GetType(), false);
IntPtr pNativeHome = Marshal.AllocCoTaskMem(allocSize);
// marshal the object as class with layout (UnmanagedType.LPStruct)
if (IsIn(dwFlags))
{
StubHelpers.FmtClassUpdateNativeInternal(pManagedHome, (byte *)pNativeHome.ToPointer(), ref cleanupWorkList);
}
if (IsOut(dwFlags))
{
backPropAction = BackPropAction.Layout;
}
layoutType = pManagedHome.GetType();
return pNativeHome;
}
#endregion
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[System.Security.SecurityCritical]
internal IntPtr ConvertToNative(object pManagedHome, int dwFlags)
{
if (pManagedHome == null)
return IntPtr.Zero;
if (pManagedHome is ArrayWithOffset)
throw new ArgumentException(Environment.GetResourceString("Arg_MarshalAsAnyRestriction"));
IntPtr pNativeHome;
if (pManagedHome.GetType().IsArray)
{
// array (LPArray)
pNativeHome = ConvertArrayToNative(pManagedHome, dwFlags);
}
else
{
string strValue;
StringBuilder sbValue;
if ((strValue = pManagedHome as string) != null)
{
// string (LPStr or LPWStr)
pNativeHome = ConvertStringToNative(strValue, dwFlags);
}
else if ((sbValue = pManagedHome as StringBuilder) != null)
{
// StringBuilder (LPStr or LPWStr)
pNativeHome = ConvertStringBuilderToNative(sbValue, dwFlags);
}
else if (pManagedHome.GetType().IsLayoutSequential || pManagedHome.GetType().IsExplicitLayout)
{
// layout (LPStruct)
pNativeHome = ConvertLayoutToNative(pManagedHome, dwFlags);
}
else
{
// this type is not supported for AsAny marshaling
throw new ArgumentException(Environment.GetResourceString("Arg_NDirectBadObject"));
}
}
return pNativeHome;
}
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[System.Security.SecurityCritical]
internal unsafe void ConvertToManaged(object pManagedHome, IntPtr pNativeHome)
{
switch (backPropAction)
{
case BackPropAction.Array:
{
MngdNativeArrayMarshaler.ConvertContentsToManaged(
pvArrayMarshaler,
ref pManagedHome,
new IntPtr(&pNativeHome));
break;
}
case BackPropAction.Layout:
{
StubHelpers.FmtClassUpdateCLRInternal(pManagedHome, (byte *)pNativeHome.ToPointer());
break;
}
case BackPropAction.StringBuilderAnsi:
{
sbyte* ptr = (sbyte*)pNativeHome.ToPointer();
((StringBuilder)pManagedHome).ReplaceBufferAnsiInternal(ptr, Win32Native.lstrlenA(pNativeHome));
break;
}
case BackPropAction.StringBuilderUnicode:
{
char* ptr = (char*)pNativeHome.ToPointer();
((StringBuilder)pManagedHome).ReplaceBufferInternal(ptr, Win32Native.lstrlenW(pNativeHome));
break;
}
// nothing to do for BackPropAction.None
}
}
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[System.Security.SecurityCritical]
internal void ClearNative(IntPtr pNativeHome)
{
if (pNativeHome != IntPtr.Zero)
{
if (layoutType != null)
{
// this must happen regardless of BackPropAction
Marshal.DestroyStructure(pNativeHome, layoutType);
}
Win32Native.CoTaskMemFree(pNativeHome);
}
StubHelpers.DestroyCleanupList(ref cleanupWorkList);
}
}
[StructLayout(LayoutKind.Sequential)]
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
internal struct NativeVariant
{
ushort vt;
ushort wReserved1;
ushort wReserved2;
ushort wReserved3;
IntPtr data1;
IntPtr data2;
}
#if !WIN64 && !FEATURE_CORECLR
// Structure filled by IL stubs if copy constructor(s) and destructor(s) need to be called
// on value types pushed on the stack. The structure is stored in s_copyCtorStubDesc by
// SetCopyCtorCookieChain and fetched by CopyCtorCallStubWorker. Must be stack-allocated.
[StructLayout(LayoutKind.Sequential)]
[System.Runtime.ForceTokenStabilization]
unsafe internal struct CopyCtorStubCookie
{
[System.Runtime.ForceTokenStabilization]
public void SetData(IntPtr srcInstancePtr, uint dstStackOffset, IntPtr ctorPtr, IntPtr dtorPtr)
{
m_srcInstancePtr = srcInstancePtr;
m_dstStackOffset = dstStackOffset;
m_ctorPtr = ctorPtr;
m_dtorPtr = dtorPtr;
}
[System.Runtime.ForceTokenStabilization]
public void SetNext(IntPtr pNext)
{
m_pNext = pNext;
}
public IntPtr m_srcInstancePtr; // pointer to the source instance
public uint m_dstStackOffset; // offset from the start of stack arguments of the pushed 'this' instance
public IntPtr m_ctorPtr; // fnptr to the managed copy constructor, result of ldftn
public IntPtr m_dtorPtr; // fnptr to the managed destructor, result of ldftn
public IntPtr m_pNext; // pointer to next cookie in the chain or IntPtr.Zero
}
// Aggregates pointer to CopyCtorStubCookie and the target of the interop call.
[StructLayout(LayoutKind.Sequential)]
unsafe internal struct CopyCtorStubDesc
{
public IntPtr m_pCookie;
public IntPtr m_pTarget;
}
#endif // !WIN64 && !FEATURE_CORECLR
#if WIN64 // x86 IL stubs do not manipulate frames
//
// This struct maps the the EE's Frame struct in vm\Frames.h
//
[StructLayout(LayoutKind.Sequential)]
[ReliabilityContract(Consistency.WillNotCorruptState, Cer.MayFail)]
internal unsafe struct EEFrame
{
internal void* __VFN_table;
internal void* m_Next;
internal const long OFFSETOF__Thread__m_pFrame = 0x10L;
//
// pass in an explicit 'this' pointer so that we don't have to
// use 'fixed' to take the address of 'this'
//
[System.Security.SecurityCritical] // auto-generated
internal static void Push(void* pThis, void* pThread)
{
EEFrame* pThisFrame = (EEFrame*)pThis;
#if _DEBUG
StubHelpers.Verify__EEFrame__Push(pThisFrame, pThread, OFFSETOF__Thread__m_pFrame);
#endif // _DEBUG
void** ppFrame = (void**)(((byte*)pThread) + OFFSETOF__Thread__m_pFrame);
pThisFrame->m_Next = *ppFrame;
*ppFrame = pThis;
}
//
// uses an explicit 'this' pointer to be consistent with Push above
//
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[System.Security.SecurityCritical] // auto-generated
internal static void Pop(void* pThis, void* pThread)
{
EEFrame* pThisFrame = (EEFrame*)pThis;
#if _DEBUG
StubHelpers.Verify__EEFrame__Pop(pThisFrame, pThread, OFFSETOF__Thread__m_pFrame);
#endif // _DEBUG
void** ppFrame = (void**)(((byte*)pThread) + OFFSETOF__Thread__m_pFrame);
*ppFrame = pThisFrame->m_Next;
}
}
#endif // WIN64
// Aggregates SafeHandle and the "owned" bit which indicates whether the SafeHandle
// has been successfully AddRef'ed. This allows us to do realiable cleanup (Release)
// if and only if it is needed.
[System.Security.SecurityCritical]
internal sealed class CleanupWorkListElement
{
public CleanupWorkListElement(SafeHandle handle)
{
m_handle = handle;
}
public SafeHandle m_handle;
// This field is passed by-ref to SafeHandle.DangerousAddRef.
// CleanupWorkList.Destroy ignores this element if m_owned is not set to true.
public bool m_owned;
}
[ReliabilityContract(Consistency.WillNotCorruptState, Cer.MayFail)]
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[System.Security.SecurityCritical]
internal sealed class CleanupWorkList
{
private List m_list = new List();
public void Add(CleanupWorkListElement elem)
{
BCLDebug.Assert(elem.m_owned == false, "m_owned is supposed to be false and set later by DangerousAddRef");
m_list.Add(elem);
}
[ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success)]
public void Destroy()
{
for (int i = m_list.Count - 1; i >= 0; i--)
{
if (m_list[i].m_owned)
StubHelpers.SafeHandleRelease(m_list[i].m_handle);
}
}
}
[System.Security.SecurityCritical] // auto-generated
[ReliabilityContract(Consistency.WillNotCorruptState, Cer.MayFail)]
[SuppressUnmanagedCodeSecurityAttribute()]
internal static class StubHelpers
{
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern bool IsQCall(IntPtr pMD);
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern void InitDeclaringType(IntPtr pMD);
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern IntPtr GetNDirectTarget(IntPtr pMD);
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern IntPtr GetDelegateTarget(Delegate pThis);
#if WIN64
#if _DEBUG
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal unsafe extern void Verify__EEFrame__Pop(EEFrame* pFrame, void* pThread, long managed_OFFSETOF__Thread__m_pFrame);
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal unsafe extern void Verify__EEFrame__Push(EEFrame* pFrame, void* pThread, long managed_OFFSETOF__Thread__m_pFrame);
#endif // _DEBUG
//--------------------------------------------------------
// PInvoke stub helpers
//-------------------------------------------------------
#if _DEBUG
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern UIntPtr GetProcessGSCookie();
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern void FailFast();
#endif // _DEBUG
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern void DoNDirectCall();
#if FEATURE_COMINTEROP
[MethodImplAttribute(MethodImplOptions.InternalCall)]
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
static internal extern void DoCLRToCOMCall(object thisPtr);
#endif // FEATURE_COMINTEROP
[MethodImplAttribute(MethodImplOptions.InternalCall)]
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
static internal extern IntPtr BeginStandalone(IntPtr pFrame, IntPtr pNMD, int dwStubFlags);
#if FEATURE_COMINTEROP
[MethodImplAttribute(MethodImplOptions.InternalCall)]
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
static internal extern IntPtr BeginCLRToCOMStandalone(IntPtr pFrame, IntPtr pCPCMD, int dwStubFlags, object pThis);
#endif // FEATURE_COMINTEROP
#else // WIN64
#if !FEATURE_CORECLR // CAS
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[System.Runtime.ForceTokenStabilization]
static internal extern void DemandPermission(IntPtr pNMD);
// Written to by a managed stub helper, read by CopyCtorCallStubWorker in VM.
[ThreadStatic]
static CopyCtorStubDesc s_copyCtorStubDesc;
[System.Runtime.ForceTokenStabilization]
static internal void SetCopyCtorCookieChain(IntPtr pStubArg, IntPtr pUnmngThis, int dwStubFlags, IntPtr pCookie)
{
// we store both the cookie chain head and the target of the copy ctor stub to a thread
// static field to be accessed by the copy ctor (see code:CopyCtorCallStubWorker)
s_copyCtorStubDesc.m_pCookie = pCookie;
s_copyCtorStubDesc.m_pTarget = GetFinalStubTarget(pStubArg, pUnmngThis, dwStubFlags);
}
// Returns the final unmanaged stub target, ignores interceptors.
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[System.Runtime.ForceTokenStabilization]
static internal extern IntPtr GetFinalStubTarget(IntPtr pStubArg, IntPtr pUnmngThis, int dwStubFlags);
#endif // !FEATURE_CORECLR
#endif // WIN64
[MethodImplAttribute(MethodImplOptions.InternalCall)]
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
static internal extern void SetLastError();
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern void ThrowDeferredException();
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern void ThrowInteropParamException(int resID, int paramIdx);
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[System.Security.SecurityCritical]
static internal IntPtr AddToCleanupList(ref CleanupWorkList pCleanupWorkList, SafeHandle handle)
{
if (pCleanupWorkList == null)
pCleanupWorkList = new CleanupWorkList();
CleanupWorkListElement element = new CleanupWorkListElement(handle);
pCleanupWorkList.Add(element);
// element.m_owned will be true iff the AddRef succeeded
return SafeHandleAddRef(handle, ref element.m_owned);
}
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[System.Security.SecurityCritical]
[ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success)]
static internal void DestroyCleanupList(ref CleanupWorkList pCleanupWorkList)
{
if (pCleanupWorkList != null)
{
pCleanupWorkList.Destroy();
pCleanupWorkList = null;
}
}
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
static internal Exception GetHRExceptionObject(int hr)
{
Exception ex = InternalGetHRExceptionObject(hr);
ex.InternalPreserveStackTrace();
return ex;
}
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern Exception InternalGetHRExceptionObject(int hr);
#if FEATURE_COMINTEROP
// [ForceToken] SHOULD be under !FEATURE_CORECLR but putting this here wakes up yet another createBclSmall bug.
// Since this is under FEATURE_COMINTEROP, we can live without the if until we switch over to the rewriter.
[System.Runtime.ForceTokenStabilization]
static internal Exception GetCOMHRExceptionObject(int hr, IntPtr pCPCMD, object pThis)
{
Exception ex = InternalGetCOMHRExceptionObject(hr, pCPCMD, pThis);
ex.InternalPreserveStackTrace();
return ex;
}
[MethodImplAttribute(MethodImplOptions.InternalCall)]
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
static internal extern Exception InternalGetCOMHRExceptionObject(int hr, IntPtr pCPCMD, object pThis);
#endif // FEATURE_COMINTEROP
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern IntPtr CreateCustomMarshalerHelper(IntPtr pMD, int paramToken, IntPtr hndManagedType);
//-------------------------------------------------------
// SafeHandle Helpers
//-------------------------------------------------------
// AddRefs the SH and returns the underlying unmanaged handle.
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[System.Security.SecurityCritical] // auto-generated
static internal IntPtr SafeHandleAddRef(SafeHandle pHandle, ref bool success)
{
if (pHandle == null)
{
throw new ArgumentNullException(Environment.GetResourceString("ArgumentNull_SafeHandle"));
}
Contract.EndContractBlock();
pHandle.DangerousAddRef(ref success);
return (success ? pHandle.DangerousGetHandle() : IntPtr.Zero);
}
// Releases the SH (to be called from finally block).
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[System.Security.SecurityCritical] // auto-generated
[ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success)]
static internal void SafeHandleRelease(SafeHandle pHandle)
{
if (pHandle == null)
{
throw new ArgumentNullException(Environment.GetResourceString("ArgumentNull_SafeHandle"));
}
Contract.EndContractBlock();
try
{
pHandle.DangerousRelease();
}
#if MDA_SUPPORTED
catch (Exception ex)
{
Mda.ReportErrorSafeHandleRelease(ex);
}
#else // MDA_SUPPORTED
catch (Exception)
{ }
#endif // MDA_SUPPORTED
}
#if FEATURE_COMINTEROP
[MethodImplAttribute(MethodImplOptions.InternalCall)]
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
static internal extern IntPtr GetCLRToCOMTarget(IntPtr pUnk, IntPtr pCPCMD);
[MethodImplAttribute(MethodImplOptions.InternalCall)]
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
static internal extern IntPtr GetCOMIPFromRCW(object objSrc, IntPtr pCPCMD, out bool pfNeedsRelease);
//--------------------------------------------------------
// Helper for the MDA ----OnRCWCleanup
//-------------------------------------------------------
[MethodImplAttribute(MethodImplOptions.InternalCall)]
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
static internal extern void StubRegisterRCW(object pThis, IntPtr pThread);
[MethodImplAttribute(MethodImplOptions.InternalCall)]
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
static internal extern void StubUnregisterRCW(object pThis, IntPtr pThread);
#endif // FEATURE_COMINTEROP
#if MDA_SUPPORTED
[System.Runtime.ForceTokenStabilization]
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern void CheckCollectedDelegateMDA(IntPtr pEntryThunk);
#endif // MDA_SUPPORTED
//--------------------------------------------------------
// Profiler helpers
//--------------------------------------------------------
#if PROFILING_SUPPORTED
[MethodImplAttribute(MethodImplOptions.InternalCall)]
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
static internal extern IntPtr ProfilerBeginTransitionCallback(IntPtr pSecretParam, IntPtr pThread, object pThis);
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern void ProfilerEndTransitionCallback(IntPtr pMD, IntPtr pThread);
#endif // PROFILING_SUPPORTED
//-------------------------------------------------------
// Debugger helpers
//--------------------------------------------------------
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern void DebuggerTraceCall(IntPtr pSecretParam);
//-----------------------------------------------------
// misc
//-----------------------------------------------------
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
[TargetedPatchingOptOut("Performance critical to inline across NGen image boundaries")]
#endif //!FEATURE_CORECLR
static internal void CheckStringLength(int length)
{
CheckStringLength((uint)length);
}
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
[TargetedPatchingOptOut("Performance critical to inline across NGen image boundaries")]
#endif //!FEATURE_CORECLR
static internal void CheckStringLength(uint length)
{
if (length > 0x7ffffff0)
{
throw new MarshalDirectiveException(Environment.GetResourceString("Marshaler_StringTooLong"));
}
}
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal unsafe extern int strlen(sbyte* ptr);
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern void DecimalCanonicalizeInternal(ref Decimal dec);
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal unsafe extern void FmtClassUpdateNativeInternal(object obj, byte* pNative, ref CleanupWorkList pCleanupWorkList);
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal unsafe extern void FmtClassUpdateCLRInternal(object obj, byte* pNative);
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal unsafe extern void LayoutDestroyNativeInternal(byte* pNative, IntPtr pMT);
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern object AllocateInternal(IntPtr typeHandle);
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern void MarshalToUnmanagedVaListInternal(IntPtr va_list, uint vaListSize, IntPtr pArgIterator);
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern void MarshalToManagedVaListInternal(IntPtr va_list, IntPtr pArgIterator);
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern uint CalcVaListSize(IntPtr va_list);
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern void ValidateObject(object obj, IntPtr pMD, object pThis);
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern void ValidateByref(IntPtr byref, IntPtr pMD, object pThis); // the byref is pinned so we can safely "cast" it to IntPtr
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern IntPtr GetStubContext();
#if MDA_SUPPORTED
[MethodImplAttribute(MethodImplOptions.InternalCall)]
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
static internal extern void TriggerGCForMDA();
#endif // MDA_SUPPORTED
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// ==++==
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
// ==--==
namespace System.StubHelpers {
using System.Text;
using Microsoft.Win32;
using System.Security;
using System.Collections.Generic;
using System.Runtime;
using System.Runtime.InteropServices;
using System.Runtime.CompilerServices;
using System.Runtime.ConstrainedExecution;
using System.Diagnostics.Contracts;
[ReliabilityContract(Consistency.WillNotCorruptState, Cer.MayFail)]
internal static class AnsiCharMarshaler
{
// The length of the returned array is an approximation based on the length of the input string and the system
// character set. It is only guaranteed to be larger or equal to cbLength, don't depend on the exact value.
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[System.Security.SecurityCritical]
static internal byte[] DoAnsiConversion(string str, bool fBestFit, bool fThrowOnUnmappableChar, out int cbLength)
{
return str.ConvertToAnsi(Marshal.SystemMaxDBCSCharSize, fBestFit, fThrowOnUnmappableChar, out cbLength);
}
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[System.Security.SecurityCritical]
static internal byte ConvertToNative(char managedChar, bool fBestFit, bool fThrowOnUnmappableChar)
{
int cbLength;
byte[] bytes = DoAnsiConversion(managedChar.ToString(), fBestFit, fThrowOnUnmappableChar, out cbLength);
BCLDebug.Assert(cbLength > 0, "Zero bytes returned from DoAnsiConversion in AnsiCharMarshaler.ConvertToNative");
return bytes[0];
}
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
static internal char ConvertToManaged(byte nativeChar)
{
byte[] bytes = new byte[1] { nativeChar };
string str = Encoding.Default.GetString(bytes);
return str[0];
}
}
[ReliabilityContract(Consistency.WillNotCorruptState, Cer.MayFail)]
internal static class CSTRMarshaler
{
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[System.Security.SecurityCritical] // auto-generated
static internal unsafe IntPtr ConvertToNative(int flags, string strManaged, IntPtr pNativeBuffer)
{
if (null == strManaged)
{
return IntPtr.Zero;
}
StubHelpers.CheckStringLength(strManaged.Length);
int nb;
byte[] bytes = AnsiCharMarshaler.DoAnsiConversion(strManaged, 0 != (flags & 0xFF), 0 != (flags >> 8), out nb);
// Use the pre-allocated buffer (allocated by localloc IL instruction) if not NULL,
// otherwise fallback to AllocCoTaskMem
byte *pbNativeBuffer = (byte *)pNativeBuffer;
if (pbNativeBuffer == null)
{
// + 1 for the null character from the user. + 1 for the null character we put in.
pbNativeBuffer = (byte*)Marshal.AllocCoTaskMem(nb + 2);
}
Buffer.memcpy(bytes, 0, pbNativeBuffer, 0, nb);
pbNativeBuffer[nb] = 0x00;
pbNativeBuffer[nb + 1] = 0x00;
return (IntPtr)pbNativeBuffer;
}
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[System.Security.SecurityCritical] // auto-generated
static internal unsafe string ConvertToManaged(IntPtr cstr)
{
if (IntPtr.Zero == cstr)
return null;
else
return new String((sbyte*)cstr);
}
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[System.Security.SecurityCritical] // auto-generated
static internal void ClearNative(IntPtr pNative)
{
Win32Native.CoTaskMemFree(pNative);
}
}
[ReliabilityContract(Consistency.WillNotCorruptState, Cer.MayFail)]
internal static class BSTRMarshaler
{
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[System.Security.SecurityCritical] // auto-generated
static internal unsafe IntPtr ConvertToNative(string strManaged, IntPtr pNativeBuffer)
{
if (null == strManaged)
{
return IntPtr.Zero;
}
else
{
StubHelpers.CheckStringLength(strManaged.Length);
byte trailByte;
bool hasTrailByte = strManaged.TryGetTrailByte(out trailByte);
uint lengthInBytes = (uint)strManaged.Length * 2;
if (hasTrailByte)
{
// this is an odd-sized string with a trailing byte stored in its [....] block
lengthInBytes++;
}
byte *ptrToFirstChar;
if (pNativeBuffer != IntPtr.Zero)
{
// If caller provided a buffer, construct the BSTR manually. The size
// of the buffer must be at least (lengthInBytes + 6) bytes.
#if _DEBUG
uint length = *((uint *)pNativeBuffer.ToPointer());
BCLDebug.Assert(length >= lengthInBytes + 6, "BSTR localloc'ed buffer is too small");
#endif // _DEBUG
// set length
*((uint *)pNativeBuffer.ToPointer()) = lengthInBytes;
ptrToFirstChar = (byte *)pNativeBuffer.ToPointer() + 4;
}
else
{
// If not provided, allocate the buffer using SysAllocStringByteLen so
// that odd-sized strings will be handled as well.
ptrToFirstChar = (byte *)Win32Native.SysAllocStringByteLen(null, lengthInBytes).ToPointer();
}
// copy characters from the managed string
fixed (char* ch = strManaged)
{
Buffer.memcpyimpl(
(byte *)ch,
ptrToFirstChar,
(strManaged.Length + 1) * 2);
}
// copy the trail byte if present
if (hasTrailByte)
{
ptrToFirstChar[lengthInBytes - 1] = trailByte;
}
// return ptr to first character
return (IntPtr)ptrToFirstChar;
}
}
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[System.Security.SecurityCritical] // auto-generated
static internal unsafe string ConvertToManaged(IntPtr bstr)
{
if (IntPtr.Zero == bstr)
{
return null;
}
else
{
uint length = Win32Native.SysStringByteLen(bstr);
// Intentionally checking the number of bytes not characters to match the behavior
// of ML marshalers. This prevents roundtripping of very large strings as the check
// in the managed->native direction is done on String length but considering that
// it's completely moot on 32-bit and not expected to be important on 64-bit either,
// the ability to catch random garbage in the BSTR's length field outweighs this
// restriction. If an ordinary null-terminated string is passed instead of a BSTR,
// chances are that the length field - possibly being unallocated memory - contains
// a heap fill pattern that will have the highest bit set, caught by the check.
StubHelpers.CheckStringLength(length);
string ret = new String((char*)bstr, 0, (int)(length / 2));
if ((length & 1) == 1)
{
// odd-sized strings need to have the trailing byte saved in their [....] block
ret.SetTrailByte(((byte *)bstr.ToPointer())[length - 1]);
}
return ret;
}
}
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[System.Security.SecurityCritical] // auto-generated
static internal void ClearNative(IntPtr pNative)
{
if (IntPtr.Zero != pNative)
{
Win32Native.SysFreeString(pNative);
}
}
}
[ReliabilityContract(Consistency.WillNotCorruptState, Cer.MayFail)]
internal static class VBByValStrMarshaler
{
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[System.Security.SecurityCritical] // auto-generated
static internal unsafe IntPtr ConvertToNative(string strManaged, bool fBestFit, bool fThrowOnUnmappableChar, ref int cch)
{
if (null == strManaged)
{
return IntPtr.Zero;
}
byte* pNative;
cch = strManaged.Length;
StubHelpers.CheckStringLength(cch);
// length field at negative offset + (# of characters incl. the terminator) * max ANSI char size
int nbytes = sizeof(uint) + ((cch + 1) * Marshal.SystemMaxDBCSCharSize);
pNative = (byte*)Marshal.AllocCoTaskMem(nbytes);
int* pLength = (int*)pNative;
pNative = pNative + sizeof(uint);
if (0 == cch)
{
*pNative = 0;
*pLength = 0;
}
else
{
int nbytesused;
byte[] bytes = AnsiCharMarshaler.DoAnsiConversion(strManaged, fBestFit, fThrowOnUnmappableChar, out nbytesused);
BCLDebug.Assert(nbytesused < nbytes, "Insufficient buffer allocated in VBByValStrMarshaler.ConvertToNative");
Buffer.memcpy(bytes, 0, pNative, 0, nbytesused);
pNative[nbytesused] = 0;
*pLength = nbytesused;
}
return new IntPtr(pNative);
}
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[System.Security.SecurityCritical] // auto-generated
static internal unsafe string ConvertToManaged(IntPtr pNative, int cch)
{
if (IntPtr.Zero == pNative)
{
return null;
}
return new String((sbyte*)pNative, 0, cch);
}
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[System.Security.SecurityCritical] // auto-generated
static internal unsafe void ClearNative(IntPtr pNative)
{
if (IntPtr.Zero != pNative)
{
Win32Native.CoTaskMemFree((IntPtr)(((long)pNative) - sizeof(uint)));
}
}
}
[ReliabilityContract(Consistency.WillNotCorruptState, Cer.MayFail)]
internal static class AnsiBSTRMarshaler
{
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[System.Security.SecurityCritical] // auto-generated
static internal unsafe IntPtr ConvertToNative(int flags, string strManaged)
{
if (null == strManaged)
{
return IntPtr.Zero;
}
int length = strManaged.Length;
StubHelpers.CheckStringLength(length);
byte[] bytes = null;
int nb = 0;
if (length > 0)
{
bytes = AnsiCharMarshaler.DoAnsiConversion(strManaged, 0 != (flags & 0xFF), 0 != (flags >> 8), out nb);
}
return Win32Native.SysAllocStringByteLen(bytes, (uint)nb);
}
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[System.Security.SecurityCritical] // auto-generated
static internal unsafe string ConvertToManaged(IntPtr bstr)
{
if (IntPtr.Zero == bstr)
{
return null;
}
else
{
// We intentionally ignore the length field of the BSTR for back compat reasons.
// Unfortunately VB.NET uses Ansi BSTR marshaling when a string is passed ByRef
// and we cannot afford to break this common scenario.
return new String((sbyte*)bstr);
}
}
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[System.Security.SecurityCritical] // auto-generated
static internal unsafe void ClearNative(IntPtr pNative)
{
if (IntPtr.Zero != pNative)
{
Win32Native.SysFreeString(pNative);
}
}
}
[ReliabilityContract(Consistency.WillNotCorruptState, Cer.MayFail)]
internal static class WSTRBufferMarshaler
{
static internal IntPtr ConvertToNative(string strManaged)
{
Contract.Assert(false, "NYI");
return IntPtr.Zero;
}
static internal unsafe string ConvertToManaged(IntPtr bstr)
{
Contract.Assert(false, "NYI");
return null;
}
static internal void ClearNative(IntPtr pNative)
{
Contract.Assert(false, "NYI");
}
}
#if FEATURE_COMINTEROP
[ReliabilityContract(Consistency.WillNotCorruptState, Cer.MayFail)]
internal static class ObjectMarshaler
{
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern void ConvertToNative(object objSrc, IntPtr pDstVariant);
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern object ConvertToManaged(IntPtr pSrcVariant);
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern void ClearNative(IntPtr pVariant);
}
#endif // FEATURE_COMINTEROP
[ReliabilityContract(Consistency.WillNotCorruptState, Cer.MayFail)]
internal static class ValueClassMarshaler
{
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[SecurityCritical]
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern void ConvertToNative(IntPtr dst, IntPtr src, IntPtr pMT, ref CleanupWorkList pCleanupWorkList);
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern void ConvertToManaged(IntPtr dst, IntPtr src, IntPtr pMT);
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern void ClearNative(IntPtr dst, IntPtr pMT);
}
[ReliabilityContract(Consistency.WillNotCorruptState, Cer.MayFail)]
internal static class DateMarshaler
{
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern double ConvertToNative(DateTime managedDate);
// The return type is really DateTime but we use long to avoid the pain associated with returning structures.
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern long ConvertToManaged(double nativeDate);
}
#if FEATURE_COMINTEROP
[ReliabilityContract(Consistency.WillNotCorruptState, Cer.MayFail)]
internal static class InterfaceMarshaler
{
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern IntPtr ConvertToNative(object objSrc, IntPtr itfMT, IntPtr classMT, int flags);
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern object ConvertToManaged(IntPtr pUnk, IntPtr itfMT, IntPtr classMT, int flags);
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern void ClearNative(IntPtr pUnk);
}
#endif // FEATURE_COMINTEROP
[ReliabilityContract(Consistency.WillNotCorruptState, Cer.MayFail)]
internal static class MngdNativeArrayMarshaler
{
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern void CreateMarshaler(IntPtr pMarshalState, IntPtr pMT, int dwFlags);
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern void ConvertSpaceToNative(IntPtr pMarshalState, ref object pManagedHome, IntPtr pNativeHome);
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern void ConvertContentsToNative(IntPtr pMarshalState, ref object pManagedHome, IntPtr pNativeHome);
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern void ConvertSpaceToManaged(IntPtr pMarshalState, ref object pManagedHome, IntPtr pNativeHome,
int cElements);
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern void ConvertContentsToManaged(IntPtr pMarshalState, ref object pManagedHome, IntPtr pNativeHome);
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern void ClearNative(IntPtr pMarshalState, IntPtr pNativeHome, int cElements);
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern void ClearNativeContents(IntPtr pMarshalState, IntPtr pNativeHome, int cElements);
}
#if FEATURE_COMINTEROP
[ReliabilityContract(Consistency.WillNotCorruptState, Cer.MayFail)]
internal static class MngdSafeArrayMarshaler
{
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern void CreateMarshaler(IntPtr pMarshalState, IntPtr pMT, int iRank, int dwFlags);
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern void ConvertSpaceToNative(IntPtr pMarshalState, ref object pManagedHome, IntPtr pNativeHome);
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern void ConvertContentsToNative(IntPtr pMarshalState, ref object pManagedHome, IntPtr pNativeHome, object pOriginalManaged);
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern void ConvertSpaceToManaged(IntPtr pMarshalState, ref object pManagedHome, IntPtr pNativeHome);
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern void ConvertContentsToManaged(IntPtr pMarshalState, ref object pManagedHome, IntPtr pNativeHome);
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern void ClearNative(IntPtr pMarshalState, ref object pManagedHome, IntPtr pNativeHome);
}
#endif // FEATURE_COMINTEROP
[ReliabilityContract(Consistency.WillNotCorruptState, Cer.MayFail)]
internal static class MngdRefCustomMarshaler
{
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern void CreateMarshaler(IntPtr pMarshalState, IntPtr pCMHelper);
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern void ConvertContentsToNative(IntPtr pMarshalState, ref object pManagedHome, IntPtr pNativeHome);
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern void ConvertContentsToManaged(IntPtr pMarshalState, ref object pManagedHome, IntPtr pNativeHome);
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern void ClearNative(IntPtr pMarshalState, ref object pManagedHome, IntPtr pNativeHome);
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern void ClearManaged(IntPtr pMarshalState, ref object pManagedHome, IntPtr pNativeHome);
}
[ReliabilityContract(Consistency.WillNotCorruptState, Cer.MayFail)]
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[System.Security.SecurityCritical]
internal struct AsAnyMarshaler
{
private const ushort VTHACK_ANSICHAR = 253;
private const ushort VTHACK_WINBOOL = 254;
private enum BackPropAction
{
None,
Array,
Layout,
StringBuilderAnsi,
StringBuilderUnicode
}
// Pointer to MngdNativeArrayMarshaler, ownership not assumed.
private IntPtr pvArrayMarshaler;
// Type of action to perform after the CLR-to-unmanaged call.
private BackPropAction backPropAction;
// The managed layout type for BackPropAction.Layout.
private Type layoutType;
// Cleanup list to be destroyed when clearing the native view (for layouts with SafeHandles).
private CleanupWorkList cleanupWorkList;
private static bool IsIn(int dwFlags) { return ((dwFlags & 0x10000000) != 0); }
private static bool IsOut(int dwFlags) { return ((dwFlags & 0x20000000) != 0); }
private static bool IsAnsi(int dwFlags) { return ((dwFlags & 0x00FF0000) != 0); }
private static bool IsThrowOn(int dwFlags) { return ((dwFlags & 0x0000FF00) != 0); }
private static bool IsBestFit(int dwFlags) { return ((dwFlags & 0x000000FF) != 0); }
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
internal AsAnyMarshaler(IntPtr pvArrayMarshaler)
{
// we need this in case the value being marshaled turns out to be array
BCLDebug.Assert(pvArrayMarshaler != IntPtr.Zero, "pvArrayMarshaler must not be null");
this.pvArrayMarshaler = pvArrayMarshaler;
this.backPropAction = BackPropAction.None;
this.layoutType = null;
this.cleanupWorkList = null;
}
#region ConvertToNative helpers
[System.Security.SecurityCritical]
private unsafe IntPtr ConvertArrayToNative(object pManagedHome, int dwFlags)
{
Type elementType = pManagedHome.GetType().GetElementType();
VarEnum vt = VarEnum.VT_EMPTY;
switch (Type.GetTypeCode(elementType))
{
case TypeCode.SByte: vt = VarEnum.VT_I1; break;
case TypeCode.Byte: vt = VarEnum.VT_UI1; break;
case TypeCode.Int16: vt = VarEnum.VT_I2; break;
case TypeCode.UInt16: vt = VarEnum.VT_UI2; break;
case TypeCode.Int32: vt = VarEnum.VT_I4; break;
case TypeCode.UInt32: vt = VarEnum.VT_UI4; break;
case TypeCode.Int64: vt = VarEnum.VT_I8; break;
case TypeCode.UInt64: vt = VarEnum.VT_UI8; break;
case TypeCode.Single: vt = VarEnum.VT_R4; break;
case TypeCode.Double: vt = VarEnum.VT_R8; break;
case TypeCode.Char: vt = (IsAnsi(dwFlags) ? (VarEnum)VTHACK_ANSICHAR : VarEnum.VT_UI2); break;
case TypeCode.Boolean: vt = (VarEnum)VTHACK_WINBOOL; break;
case TypeCode.Object:
{
if (elementType == typeof(IntPtr))
{
vt = (IntPtr.Size == 4 ? VarEnum.VT_I4 : VarEnum.VT_I8);
}
else if (elementType == typeof(UIntPtr))
{
vt = (IntPtr.Size == 4 ? VarEnum.VT_UI4 : VarEnum.VT_UI8);
}
else goto default;
break;
}
default:
throw new ArgumentException(Environment.GetResourceString("Arg_NDirectBadObject"));
}
// marshal the object as C-style array (UnmanagedType.LPArray)
int dwArrayMarshalerFlags = (int)vt;
if (IsBestFit(dwFlags)) dwArrayMarshalerFlags |= (1 << 16);
if (IsThrowOn(dwFlags)) dwArrayMarshalerFlags |= (1 << 24);
MngdNativeArrayMarshaler.CreateMarshaler(
pvArrayMarshaler,
IntPtr.Zero, // not needed as we marshal primitive VTs only
dwArrayMarshalerFlags);
IntPtr pNativeHome;
IntPtr pNativeHomeAddr = new IntPtr(&pNativeHome);
MngdNativeArrayMarshaler.ConvertSpaceToNative(
pvArrayMarshaler,
ref pManagedHome,
pNativeHomeAddr);
if (IsIn(dwFlags))
{
MngdNativeArrayMarshaler.ConvertContentsToNative(
pvArrayMarshaler,
ref pManagedHome,
pNativeHomeAddr);
}
if (IsOut(dwFlags))
{
backPropAction = BackPropAction.Array;
}
return pNativeHome;
}
[System.Security.SecurityCritical]
private static IntPtr ConvertStringToNative(string pManagedHome, int dwFlags)
{
IntPtr pNativeHome;
// IsIn, IsOut are ignored for strings - they're always in-only
if (IsAnsi(dwFlags))
{
// marshal the object as Ansi string (UnmanagedType.LPStr)
pNativeHome = CSTRMarshaler.ConvertToNative(
dwFlags & 0xFFFF, // (throw on unmappable char << 8 | best fit)
pManagedHome, //
IntPtr.Zero); // unmanaged buffer will be allocated
}
else
{
// marshal the object as Unicode string (UnmanagedType.LPWStr)
StubHelpers.CheckStringLength(pManagedHome.Length);
int allocSize = (pManagedHome.Length + 1) * 2;
pNativeHome = Marshal.AllocCoTaskMem(allocSize);
String.InternalCopy(pManagedHome, pNativeHome, allocSize);
}
return pNativeHome;
}
[System.Security.SecurityCritical]
private unsafe IntPtr ConvertStringBuilderToNative(StringBuilder pManagedHome, int dwFlags)
{
IntPtr pNativeHome;
// P/Invoke can be used to call Win32 apis that don't strictly follow CLR in/out semantics and thus may
// leave garbage in the buffer in circumstances that we can't detect. To prevent us from crashing when
// converting the contents back to managed, put a hidden NULL terminator past the end of the official buffer.
// Unmanaged layout:
// +====================================+
// | Extra hidden NULL |
// +====================================+ \
// | | |
// | [Converted] NULL-terminated string | |- buffer that the target may change
// | | |
// +====================================+ / <-- native home
// Note that StringBuilder.Capacity is the number of characters NOT including any terminators.
if (IsAnsi(dwFlags))
{
StubHelpers.CheckStringLength(pManagedHome.Capacity);
// marshal the object as Ansi string (UnmanagedType.LPStr)
int allocSize = (pManagedHome.Capacity * Marshal.SystemMaxDBCSCharSize) + 4;
pNativeHome = Marshal.AllocCoTaskMem(allocSize);
byte* ptr = (byte*)pNativeHome;
*(ptr + allocSize - 3) = 0;
*(ptr + allocSize - 2) = 0;
*(ptr + allocSize - 1) = 0;
if (IsIn(dwFlags))
{
int length;
byte[] bytes = AnsiCharMarshaler.DoAnsiConversion(
pManagedHome.ToString(),
IsBestFit(dwFlags),
IsThrowOn(dwFlags),
out length);
Buffer.memcpy(
bytes, // src array
0, // src index
ptr, // dst buffer
0, // dts index
length); // len
// null-terminate the native string
*(ptr + length) = 0;
}
if (IsOut(dwFlags))
{
backPropAction = BackPropAction.StringBuilderAnsi;
}
}
else
{
// marshal the object as Unicode string (UnmanagedType.LPWStr)
int allocSize = (pManagedHome.Capacity * 2) + 4;
pNativeHome = Marshal.AllocCoTaskMem(allocSize);
byte* ptr = (byte*)pNativeHome;
*(ptr + allocSize - 1) = 0;
*(ptr + allocSize - 2) = 0;
if (IsIn(dwFlags))
{
int length = pManagedHome.Length * 2;
pManagedHome.InternalCopy(pNativeHome, length);
// null-terminate the native string
*(ptr + length + 0) = 0;
*(ptr + length + 1) = 0;
}
if (IsOut(dwFlags))
{
backPropAction = BackPropAction.StringBuilderUnicode;
}
}
return pNativeHome;
}
[System.Security.SecurityCritical]
private unsafe IntPtr ConvertLayoutToNative(object pManagedHome, int dwFlags)
{
// Note that the following call will not throw exception if the type
// of pManagedHome is not marshalable. That's intentional because we
// want to maintain the original behavior where this was indicated
// by TypeLoadException during the actual field marshaling.
int allocSize = Marshal.SizeOfHelper(pManagedHome.GetType(), false);
IntPtr pNativeHome = Marshal.AllocCoTaskMem(allocSize);
// marshal the object as class with layout (UnmanagedType.LPStruct)
if (IsIn(dwFlags))
{
StubHelpers.FmtClassUpdateNativeInternal(pManagedHome, (byte *)pNativeHome.ToPointer(), ref cleanupWorkList);
}
if (IsOut(dwFlags))
{
backPropAction = BackPropAction.Layout;
}
layoutType = pManagedHome.GetType();
return pNativeHome;
}
#endregion
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[System.Security.SecurityCritical]
internal IntPtr ConvertToNative(object pManagedHome, int dwFlags)
{
if (pManagedHome == null)
return IntPtr.Zero;
if (pManagedHome is ArrayWithOffset)
throw new ArgumentException(Environment.GetResourceString("Arg_MarshalAsAnyRestriction"));
IntPtr pNativeHome;
if (pManagedHome.GetType().IsArray)
{
// array (LPArray)
pNativeHome = ConvertArrayToNative(pManagedHome, dwFlags);
}
else
{
string strValue;
StringBuilder sbValue;
if ((strValue = pManagedHome as string) != null)
{
// string (LPStr or LPWStr)
pNativeHome = ConvertStringToNative(strValue, dwFlags);
}
else if ((sbValue = pManagedHome as StringBuilder) != null)
{
// StringBuilder (LPStr or LPWStr)
pNativeHome = ConvertStringBuilderToNative(sbValue, dwFlags);
}
else if (pManagedHome.GetType().IsLayoutSequential || pManagedHome.GetType().IsExplicitLayout)
{
// layout (LPStruct)
pNativeHome = ConvertLayoutToNative(pManagedHome, dwFlags);
}
else
{
// this type is not supported for AsAny marshaling
throw new ArgumentException(Environment.GetResourceString("Arg_NDirectBadObject"));
}
}
return pNativeHome;
}
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[System.Security.SecurityCritical]
internal unsafe void ConvertToManaged(object pManagedHome, IntPtr pNativeHome)
{
switch (backPropAction)
{
case BackPropAction.Array:
{
MngdNativeArrayMarshaler.ConvertContentsToManaged(
pvArrayMarshaler,
ref pManagedHome,
new IntPtr(&pNativeHome));
break;
}
case BackPropAction.Layout:
{
StubHelpers.FmtClassUpdateCLRInternal(pManagedHome, (byte *)pNativeHome.ToPointer());
break;
}
case BackPropAction.StringBuilderAnsi:
{
sbyte* ptr = (sbyte*)pNativeHome.ToPointer();
((StringBuilder)pManagedHome).ReplaceBufferAnsiInternal(ptr, Win32Native.lstrlenA(pNativeHome));
break;
}
case BackPropAction.StringBuilderUnicode:
{
char* ptr = (char*)pNativeHome.ToPointer();
((StringBuilder)pManagedHome).ReplaceBufferInternal(ptr, Win32Native.lstrlenW(pNativeHome));
break;
}
// nothing to do for BackPropAction.None
}
}
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[System.Security.SecurityCritical]
internal void ClearNative(IntPtr pNativeHome)
{
if (pNativeHome != IntPtr.Zero)
{
if (layoutType != null)
{
// this must happen regardless of BackPropAction
Marshal.DestroyStructure(pNativeHome, layoutType);
}
Win32Native.CoTaskMemFree(pNativeHome);
}
StubHelpers.DestroyCleanupList(ref cleanupWorkList);
}
}
[StructLayout(LayoutKind.Sequential)]
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
internal struct NativeVariant
{
ushort vt;
ushort wReserved1;
ushort wReserved2;
ushort wReserved3;
IntPtr data1;
IntPtr data2;
}
#if !WIN64 && !FEATURE_CORECLR
// Structure filled by IL stubs if copy constructor(s) and destructor(s) need to be called
// on value types pushed on the stack. The structure is stored in s_copyCtorStubDesc by
// SetCopyCtorCookieChain and fetched by CopyCtorCallStubWorker. Must be stack-allocated.
[StructLayout(LayoutKind.Sequential)]
[System.Runtime.ForceTokenStabilization]
unsafe internal struct CopyCtorStubCookie
{
[System.Runtime.ForceTokenStabilization]
public void SetData(IntPtr srcInstancePtr, uint dstStackOffset, IntPtr ctorPtr, IntPtr dtorPtr)
{
m_srcInstancePtr = srcInstancePtr;
m_dstStackOffset = dstStackOffset;
m_ctorPtr = ctorPtr;
m_dtorPtr = dtorPtr;
}
[System.Runtime.ForceTokenStabilization]
public void SetNext(IntPtr pNext)
{
m_pNext = pNext;
}
public IntPtr m_srcInstancePtr; // pointer to the source instance
public uint m_dstStackOffset; // offset from the start of stack arguments of the pushed 'this' instance
public IntPtr m_ctorPtr; // fnptr to the managed copy constructor, result of ldftn
public IntPtr m_dtorPtr; // fnptr to the managed destructor, result of ldftn
public IntPtr m_pNext; // pointer to next cookie in the chain or IntPtr.Zero
}
// Aggregates pointer to CopyCtorStubCookie and the target of the interop call.
[StructLayout(LayoutKind.Sequential)]
unsafe internal struct CopyCtorStubDesc
{
public IntPtr m_pCookie;
public IntPtr m_pTarget;
}
#endif // !WIN64 && !FEATURE_CORECLR
#if WIN64 // x86 IL stubs do not manipulate frames
//
// This struct maps the the EE's Frame struct in vm\Frames.h
//
[StructLayout(LayoutKind.Sequential)]
[ReliabilityContract(Consistency.WillNotCorruptState, Cer.MayFail)]
internal unsafe struct EEFrame
{
internal void* __VFN_table;
internal void* m_Next;
internal const long OFFSETOF__Thread__m_pFrame = 0x10L;
//
// pass in an explicit 'this' pointer so that we don't have to
// use 'fixed' to take the address of 'this'
//
[System.Security.SecurityCritical] // auto-generated
internal static void Push(void* pThis, void* pThread)
{
EEFrame* pThisFrame = (EEFrame*)pThis;
#if _DEBUG
StubHelpers.Verify__EEFrame__Push(pThisFrame, pThread, OFFSETOF__Thread__m_pFrame);
#endif // _DEBUG
void** ppFrame = (void**)(((byte*)pThread) + OFFSETOF__Thread__m_pFrame);
pThisFrame->m_Next = *ppFrame;
*ppFrame = pThis;
}
//
// uses an explicit 'this' pointer to be consistent with Push above
//
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[System.Security.SecurityCritical] // auto-generated
internal static void Pop(void* pThis, void* pThread)
{
EEFrame* pThisFrame = (EEFrame*)pThis;
#if _DEBUG
StubHelpers.Verify__EEFrame__Pop(pThisFrame, pThread, OFFSETOF__Thread__m_pFrame);
#endif // _DEBUG
void** ppFrame = (void**)(((byte*)pThread) + OFFSETOF__Thread__m_pFrame);
*ppFrame = pThisFrame->m_Next;
}
}
#endif // WIN64
// Aggregates SafeHandle and the "owned" bit which indicates whether the SafeHandle
// has been successfully AddRef'ed. This allows us to do realiable cleanup (Release)
// if and only if it is needed.
[System.Security.SecurityCritical]
internal sealed class CleanupWorkListElement
{
public CleanupWorkListElement(SafeHandle handle)
{
m_handle = handle;
}
public SafeHandle m_handle;
// This field is passed by-ref to SafeHandle.DangerousAddRef.
// CleanupWorkList.Destroy ignores this element if m_owned is not set to true.
public bool m_owned;
}
[ReliabilityContract(Consistency.WillNotCorruptState, Cer.MayFail)]
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[System.Security.SecurityCritical]
internal sealed class CleanupWorkList
{
private List m_list = new List();
public void Add(CleanupWorkListElement elem)
{
BCLDebug.Assert(elem.m_owned == false, "m_owned is supposed to be false and set later by DangerousAddRef");
m_list.Add(elem);
}
[ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success)]
public void Destroy()
{
for (int i = m_list.Count - 1; i >= 0; i--)
{
if (m_list[i].m_owned)
StubHelpers.SafeHandleRelease(m_list[i].m_handle);
}
}
}
[System.Security.SecurityCritical] // auto-generated
[ReliabilityContract(Consistency.WillNotCorruptState, Cer.MayFail)]
[SuppressUnmanagedCodeSecurityAttribute()]
internal static class StubHelpers
{
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern bool IsQCall(IntPtr pMD);
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern void InitDeclaringType(IntPtr pMD);
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern IntPtr GetNDirectTarget(IntPtr pMD);
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern IntPtr GetDelegateTarget(Delegate pThis);
#if WIN64
#if _DEBUG
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal unsafe extern void Verify__EEFrame__Pop(EEFrame* pFrame, void* pThread, long managed_OFFSETOF__Thread__m_pFrame);
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal unsafe extern void Verify__EEFrame__Push(EEFrame* pFrame, void* pThread, long managed_OFFSETOF__Thread__m_pFrame);
#endif // _DEBUG
//--------------------------------------------------------
// PInvoke stub helpers
//-------------------------------------------------------
#if _DEBUG
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern UIntPtr GetProcessGSCookie();
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern void FailFast();
#endif // _DEBUG
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern void DoNDirectCall();
#if FEATURE_COMINTEROP
[MethodImplAttribute(MethodImplOptions.InternalCall)]
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
static internal extern void DoCLRToCOMCall(object thisPtr);
#endif // FEATURE_COMINTEROP
[MethodImplAttribute(MethodImplOptions.InternalCall)]
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
static internal extern IntPtr BeginStandalone(IntPtr pFrame, IntPtr pNMD, int dwStubFlags);
#if FEATURE_COMINTEROP
[MethodImplAttribute(MethodImplOptions.InternalCall)]
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
static internal extern IntPtr BeginCLRToCOMStandalone(IntPtr pFrame, IntPtr pCPCMD, int dwStubFlags, object pThis);
#endif // FEATURE_COMINTEROP
#else // WIN64
#if !FEATURE_CORECLR // CAS
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[System.Runtime.ForceTokenStabilization]
static internal extern void DemandPermission(IntPtr pNMD);
// Written to by a managed stub helper, read by CopyCtorCallStubWorker in VM.
[ThreadStatic]
static CopyCtorStubDesc s_copyCtorStubDesc;
[System.Runtime.ForceTokenStabilization]
static internal void SetCopyCtorCookieChain(IntPtr pStubArg, IntPtr pUnmngThis, int dwStubFlags, IntPtr pCookie)
{
// we store both the cookie chain head and the target of the copy ctor stub to a thread
// static field to be accessed by the copy ctor (see code:CopyCtorCallStubWorker)
s_copyCtorStubDesc.m_pCookie = pCookie;
s_copyCtorStubDesc.m_pTarget = GetFinalStubTarget(pStubArg, pUnmngThis, dwStubFlags);
}
// Returns the final unmanaged stub target, ignores interceptors.
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[System.Runtime.ForceTokenStabilization]
static internal extern IntPtr GetFinalStubTarget(IntPtr pStubArg, IntPtr pUnmngThis, int dwStubFlags);
#endif // !FEATURE_CORECLR
#endif // WIN64
[MethodImplAttribute(MethodImplOptions.InternalCall)]
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
static internal extern void SetLastError();
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern void ThrowDeferredException();
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern void ThrowInteropParamException(int resID, int paramIdx);
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[System.Security.SecurityCritical]
static internal IntPtr AddToCleanupList(ref CleanupWorkList pCleanupWorkList, SafeHandle handle)
{
if (pCleanupWorkList == null)
pCleanupWorkList = new CleanupWorkList();
CleanupWorkListElement element = new CleanupWorkListElement(handle);
pCleanupWorkList.Add(element);
// element.m_owned will be true iff the AddRef succeeded
return SafeHandleAddRef(handle, ref element.m_owned);
}
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[System.Security.SecurityCritical]
[ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success)]
static internal void DestroyCleanupList(ref CleanupWorkList pCleanupWorkList)
{
if (pCleanupWorkList != null)
{
pCleanupWorkList.Destroy();
pCleanupWorkList = null;
}
}
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
static internal Exception GetHRExceptionObject(int hr)
{
Exception ex = InternalGetHRExceptionObject(hr);
ex.InternalPreserveStackTrace();
return ex;
}
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern Exception InternalGetHRExceptionObject(int hr);
#if FEATURE_COMINTEROP
// [ForceToken] SHOULD be under !FEATURE_CORECLR but putting this here wakes up yet another createBclSmall bug.
// Since this is under FEATURE_COMINTEROP, we can live without the if until we switch over to the rewriter.
[System.Runtime.ForceTokenStabilization]
static internal Exception GetCOMHRExceptionObject(int hr, IntPtr pCPCMD, object pThis)
{
Exception ex = InternalGetCOMHRExceptionObject(hr, pCPCMD, pThis);
ex.InternalPreserveStackTrace();
return ex;
}
[MethodImplAttribute(MethodImplOptions.InternalCall)]
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
static internal extern Exception InternalGetCOMHRExceptionObject(int hr, IntPtr pCPCMD, object pThis);
#endif // FEATURE_COMINTEROP
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern IntPtr CreateCustomMarshalerHelper(IntPtr pMD, int paramToken, IntPtr hndManagedType);
//-------------------------------------------------------
// SafeHandle Helpers
//-------------------------------------------------------
// AddRefs the SH and returns the underlying unmanaged handle.
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[System.Security.SecurityCritical] // auto-generated
static internal IntPtr SafeHandleAddRef(SafeHandle pHandle, ref bool success)
{
if (pHandle == null)
{
throw new ArgumentNullException(Environment.GetResourceString("ArgumentNull_SafeHandle"));
}
Contract.EndContractBlock();
pHandle.DangerousAddRef(ref success);
return (success ? pHandle.DangerousGetHandle() : IntPtr.Zero);
}
// Releases the SH (to be called from finally block).
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[System.Security.SecurityCritical] // auto-generated
[ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success)]
static internal void SafeHandleRelease(SafeHandle pHandle)
{
if (pHandle == null)
{
throw new ArgumentNullException(Environment.GetResourceString("ArgumentNull_SafeHandle"));
}
Contract.EndContractBlock();
try
{
pHandle.DangerousRelease();
}
#if MDA_SUPPORTED
catch (Exception ex)
{
Mda.ReportErrorSafeHandleRelease(ex);
}
#else // MDA_SUPPORTED
catch (Exception)
{ }
#endif // MDA_SUPPORTED
}
#if FEATURE_COMINTEROP
[MethodImplAttribute(MethodImplOptions.InternalCall)]
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
static internal extern IntPtr GetCLRToCOMTarget(IntPtr pUnk, IntPtr pCPCMD);
[MethodImplAttribute(MethodImplOptions.InternalCall)]
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
static internal extern IntPtr GetCOMIPFromRCW(object objSrc, IntPtr pCPCMD, out bool pfNeedsRelease);
//--------------------------------------------------------
// Helper for the MDA ----OnRCWCleanup
//-------------------------------------------------------
[MethodImplAttribute(MethodImplOptions.InternalCall)]
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
static internal extern void StubRegisterRCW(object pThis, IntPtr pThread);
[MethodImplAttribute(MethodImplOptions.InternalCall)]
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
static internal extern void StubUnregisterRCW(object pThis, IntPtr pThread);
#endif // FEATURE_COMINTEROP
#if MDA_SUPPORTED
[System.Runtime.ForceTokenStabilization]
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern void CheckCollectedDelegateMDA(IntPtr pEntryThunk);
#endif // MDA_SUPPORTED
//--------------------------------------------------------
// Profiler helpers
//--------------------------------------------------------
#if PROFILING_SUPPORTED
[MethodImplAttribute(MethodImplOptions.InternalCall)]
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
static internal extern IntPtr ProfilerBeginTransitionCallback(IntPtr pSecretParam, IntPtr pThread, object pThis);
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern void ProfilerEndTransitionCallback(IntPtr pMD, IntPtr pThread);
#endif // PROFILING_SUPPORTED
//-------------------------------------------------------
// Debugger helpers
//--------------------------------------------------------
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern void DebuggerTraceCall(IntPtr pSecretParam);
//-----------------------------------------------------
// misc
//-----------------------------------------------------
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
[TargetedPatchingOptOut("Performance critical to inline across NGen image boundaries")]
#endif //!FEATURE_CORECLR
static internal void CheckStringLength(int length)
{
CheckStringLength((uint)length);
}
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
[TargetedPatchingOptOut("Performance critical to inline across NGen image boundaries")]
#endif //!FEATURE_CORECLR
static internal void CheckStringLength(uint length)
{
if (length > 0x7ffffff0)
{
throw new MarshalDirectiveException(Environment.GetResourceString("Marshaler_StringTooLong"));
}
}
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal unsafe extern int strlen(sbyte* ptr);
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern void DecimalCanonicalizeInternal(ref Decimal dec);
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal unsafe extern void FmtClassUpdateNativeInternal(object obj, byte* pNative, ref CleanupWorkList pCleanupWorkList);
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal unsafe extern void FmtClassUpdateCLRInternal(object obj, byte* pNative);
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal unsafe extern void LayoutDestroyNativeInternal(byte* pNative, IntPtr pMT);
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern object AllocateInternal(IntPtr typeHandle);
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern void MarshalToUnmanagedVaListInternal(IntPtr va_list, uint vaListSize, IntPtr pArgIterator);
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern void MarshalToManagedVaListInternal(IntPtr va_list, IntPtr pArgIterator);
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern uint CalcVaListSize(IntPtr va_list);
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern void ValidateObject(object obj, IntPtr pMD, object pThis);
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern void ValidateByref(IntPtr byref, IntPtr pMD, object pThis); // the byref is pinned so we can safely "cast" it to IntPtr
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern IntPtr GetStubContext();
#if MDA_SUPPORTED
[MethodImplAttribute(MethodImplOptions.InternalCall)]
#if !FEATURE_CORECLR
[System.Runtime.ForceTokenStabilization]
#endif //!FEATURE_CORECLR
static internal extern void TriggerGCForMDA();
#endif // MDA_SUPPORTED
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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- ErrorLog.cs
- ConditionCollection.cs
- UdpTransportSettingsElement.cs
- Repeater.cs
- ObjectStateEntryBaseUpdatableDataRecord.cs
- InkCanvasFeedbackAdorner.cs
- GridViewUpdateEventArgs.cs
- PolyBezierSegmentFigureLogic.cs
- XmlUnspecifiedAttribute.cs
- Relationship.cs
- ObservableDictionary.cs
- Walker.cs
- DrawingImage.cs
- BooleanFunctions.cs
- ImageClickEventArgs.cs
- HostingEnvironmentException.cs
- WebSysDescriptionAttribute.cs
- SmiRequestExecutor.cs
- SoapReflectionImporter.cs
- FloaterParagraph.cs
- TextControl.cs
- mansign.cs
- SrgsToken.cs
- ContextActivityUtils.cs
- ComboBox.cs
- ActivityWithResultConverter.cs
- FontUnit.cs
- TextElementEnumerator.cs
- FormattedTextSymbols.cs
- FlowThrottle.cs
- XmlQualifiedName.cs
- XPathDocumentNavigator.cs
- WindowsGraphicsCacheManager.cs
- InputBinder.cs
- SqlClientWrapperSmiStreamChars.cs
- UriScheme.cs
- ObjectDataSourceChooseMethodsPanel.cs
- CssTextWriter.cs
- EditingScopeUndoUnit.cs
- ZipIOExtraField.cs
- AsyncResult.cs
- MediaCommands.cs
- SimpleMailWebEventProvider.cs
- DynamicQueryableWrapper.cs
- TargetInvocationException.cs
- ExtensionQuery.cs
- CompilationUtil.cs
- RegularExpressionValidator.cs
- LayeredChannelListener.cs
- StatusBarPanel.cs
- DecimalConstantAttribute.cs
- KeyTimeConverter.cs
- MaterialGroup.cs
- DataGridHeadersVisibilityToVisibilityConverter.cs
- Expression.cs
- Exceptions.cs
- VirtualPathProvider.cs
- CustomSignedXml.cs
- Function.cs
- UIHelper.cs
- SemaphoreSecurity.cs
- UTF32Encoding.cs
- ObjectStateEntryBaseUpdatableDataRecord.cs
- ErrorFormatterPage.cs
- TextPenaltyModule.cs
- ListGeneralPage.cs
- ZeroOpNode.cs
- _DisconnectOverlappedAsyncResult.cs
- CodeDomDecompiler.cs
- BitmapVisualManager.cs
- ColorBuilder.cs
- MaskInputRejectedEventArgs.cs
- TableCellAutomationPeer.cs
- StyleCollection.cs
- DoubleStorage.cs
- DataContext.cs
- ServiceHttpModule.cs
- SerializationException.cs
- TranslateTransform.cs
- MetadataArtifactLoaderCompositeFile.cs
- UInt16.cs
- WebPartConnectVerb.cs
- MouseCaptureWithinProperty.cs
- MatrixConverter.cs
- ExpandCollapsePattern.cs
- ByteConverter.cs
- RestHandler.cs
- BooleanSwitch.cs
- SpecularMaterial.cs
- DetailsViewDeletedEventArgs.cs
- AppDomain.cs
- NestedContainer.cs
- CustomCategoryAttribute.cs
- IIS7WorkerRequest.cs
- KeySplineConverter.cs
- HotCommands.cs
- HtmlMeta.cs
- Validator.cs
- TextBoxAutomationPeer.cs
- ExpandSegmentCollection.cs