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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
using System;
using System.Diagnostics;
using Internal.TypeSystem;
namespace Internal.JitInterface
{
internal unsafe partial class CorInfoImpl
{
private struct IntrinsicKey
{
public string MethodName;
public string TypeNamespace;
public string TypeName;
public bool Equals(IntrinsicKey other)
{
return (MethodName == other.MethodName) &&
(TypeNamespace == other.TypeNamespace) &&
(TypeName == other.TypeName);
}
public override int GetHashCode()
{
return MethodName.GetHashCode() +
((TypeNamespace != null) ? TypeNamespace.GetHashCode() : 0) +
((TypeName != null) ? TypeName.GetHashCode() : 0);
}
}
private class IntrinsicEntry
{
public IntrinsicKey Key;
public CorInfoIntrinsics Id;
}
private class IntrinsicHashtable : LockFreeReaderHashtable<IntrinsicKey, IntrinsicEntry>
{
protected override bool CompareKeyToValue(IntrinsicKey key, IntrinsicEntry value)
{
return key.Equals(value.Key);
}
protected override bool CompareValueToValue(IntrinsicEntry value1, IntrinsicEntry value2)
{
return value1.Key.Equals(value2.Key);
}
protected override IntrinsicEntry CreateValueFromKey(IntrinsicKey key)
{
Debug.Fail("CreateValueFromKey not supported");
return null;
}
protected override int GetKeyHashCode(IntrinsicKey key)
{
return key.GetHashCode();
}
protected override int GetValueHashCode(IntrinsicEntry value)
{
return value.Key.GetHashCode();
}
public void Add(CorInfoIntrinsics id, string methodName, string typeNamespace, string typeName)
{
var entry = new IntrinsicEntry();
entry.Id = id;
entry.Key.MethodName = methodName;
entry.Key.TypeNamespace = typeNamespace;
entry.Key.TypeName = typeName;
AddOrGetExisting(entry);
}
}
static IntrinsicHashtable InitializeIntrinsicHashtable()
{
IntrinsicHashtable table = new IntrinsicHashtable();
table.Add(CorInfoIntrinsics.CORINFO_INTRINSIC_Sin, "Sin", "System", "Math");
table.Add(CorInfoIntrinsics.CORINFO_INTRINSIC_Sin, "Sin", "System", "MathF");
table.Add(CorInfoIntrinsics.CORINFO_INTRINSIC_Cos, "Cos", "System", "Math");
table.Add(CorInfoIntrinsics.CORINFO_INTRINSIC_Cos, "Cos", "System", "MathF");
table.Add(CorInfoIntrinsics.CORINFO_INTRINSIC_Cbrt, "Cbrt", "System", "Math");
table.Add(CorInfoIntrinsics.CORINFO_INTRINSIC_Cbrt, "Cbrt", "System", "MathF");
table.Add(CorInfoIntrinsics.CORINFO_INTRINSIC_Sqrt, "Sqrt", "System", "Math");
table.Add(CorInfoIntrinsics.CORINFO_INTRINSIC_Sqrt, "Sqrt", "System", "MathF");
table.Add(CorInfoIntrinsics.CORINFO_INTRINSIC_Abs, "Abs", "System", "Math");
// No System.MathF entry for CORINFO_INTRTINSIC_Abs as System.Math exposes and handles both float and double
table.Add(CorInfoIntrinsics.CORINFO_INTRINSIC_Round, "Round", "System", "Math");
table.Add(CorInfoIntrinsics.CORINFO_INTRINSIC_Round, "Round", "System", "MathF");
table.Add(CorInfoIntrinsics.CORINFO_INTRINSIC_Cosh, "Cosh", "System", "Math");
table.Add(CorInfoIntrinsics.CORINFO_INTRINSIC_Cosh, "Cosh", "System", "MathF");
table.Add(CorInfoIntrinsics.CORINFO_INTRINSIC_Sinh, "Sinh", "System", "Math");
table.Add(CorInfoIntrinsics.CORINFO_INTRINSIC_Sinh, "Sinh", "System", "MathF");
table.Add(CorInfoIntrinsics.CORINFO_INTRINSIC_Tan, "Tan", "System", "Math");
table.Add(CorInfoIntrinsics.CORINFO_INTRINSIC_Tan, "Tan", "System", "MathF");
table.Add(CorInfoIntrinsics.CORINFO_INTRINSIC_Tanh, "Tanh", "System", "Math");
table.Add(CorInfoIntrinsics.CORINFO_INTRINSIC_Tanh, "Tanh", "System", "MathF");
table.Add(CorInfoIntrinsics.CORINFO_INTRINSIC_Asin, "Asin", "System", "Math");
table.Add(CorInfoIntrinsics.CORINFO_INTRINSIC_Asin, "Asin", "System", "MathF");
table.Add(CorInfoIntrinsics.CORINFO_INTRINSIC_Asinh, "Asinh", "System", "Math");
table.Add(CorInfoIntrinsics.CORINFO_INTRINSIC_Asinh, "Asinh", "System", "MathF");
table.Add(CorInfoIntrinsics.CORINFO_INTRINSIC_Acos, "Acos", "System", "Math");
table.Add(CorInfoIntrinsics.CORINFO_INTRINSIC_Acos, "Acos", "System", "MathF");
table.Add(CorInfoIntrinsics.CORINFO_INTRINSIC_Acosh, "Acosh", "System", "Math");
table.Add(CorInfoIntrinsics.CORINFO_INTRINSIC_Acosh, "Acosh", "System", "MathF");
table.Add(CorInfoIntrinsics.CORINFO_INTRINSIC_Atan, "Atan", "System", "Math");
table.Add(CorInfoIntrinsics.CORINFO_INTRINSIC_Atan, "Atan", "System", "MathF");
table.Add(CorInfoIntrinsics.CORINFO_INTRINSIC_Atan2, "Atan2", "System", "Math");
table.Add(CorInfoIntrinsics.CORINFO_INTRINSIC_Atan2, "Atan2", "System", "MathF");
table.Add(CorInfoIntrinsics.CORINFO_INTRINSIC_Atanh, "Atanh", "System", "Math");
table.Add(CorInfoIntrinsics.CORINFO_INTRINSIC_Atanh, "Atanh", "System", "MathF");
table.Add(CorInfoIntrinsics.CORINFO_INTRINSIC_Log10, "Log10", "System", "Math");
table.Add(CorInfoIntrinsics.CORINFO_INTRINSIC_Log10, "Log10", "System", "MathF");
table.Add(CorInfoIntrinsics.CORINFO_INTRINSIC_Pow, "Pow", "System", "Math");
table.Add(CorInfoIntrinsics.CORINFO_INTRINSIC_Pow, "Pow", "System", "MathF");
table.Add(CorInfoIntrinsics.CORINFO_INTRINSIC_Exp, "Exp", "System", "Math");
table.Add(CorInfoIntrinsics.CORINFO_INTRINSIC_Exp, "Exp", "System", "MathF");
table.Add(CorInfoIntrinsics.CORINFO_INTRINSIC_Ceiling, "Ceiling", "System", "Math");
table.Add(CorInfoIntrinsics.CORINFO_INTRINSIC_Ceiling, "Ceiling", "System", "MathF");
table.Add(CorInfoIntrinsics.CORINFO_INTRINSIC_Floor, "Floor", "System", "Math");
table.Add(CorInfoIntrinsics.CORINFO_INTRINSIC_Floor, "Floor", "System", "MathF");
// table.Add(CorInfoIntrinsics.CORINFO_INTRINSIC_GetChar, null, null, null); // unused
// table.Add(CorInfoIntrinsics.CORINFO_INTRINSIC_Array_GetDimLength, "GetLength", "System", "Array"); // not handled
table.Add(CorInfoIntrinsics.CORINFO_INTRINSIC_Array_Get, "Get", null, null);
table.Add(CorInfoIntrinsics.CORINFO_INTRINSIC_Array_Address, "Address", null, null);
table.Add(CorInfoIntrinsics.CORINFO_INTRINSIC_Array_Set, "Set", null, null);
table.Add(CorInfoIntrinsics.CORINFO_INTRINSIC_StringGetChar, "get_Chars", "System", "String");
table.Add(CorInfoIntrinsics.CORINFO_INTRINSIC_StringLength, "get_Length", "System", "String");
table.Add(CorInfoIntrinsics.CORINFO_INTRINSIC_InitializeArray, "InitializeArray", "System.Runtime.CompilerServices", "RuntimeHelpers");
//table.Add(CorInfoIntrinsics.CORINFO_INTRINSIC_GetTypeFromHandle, "GetTypeFromHandle", "System", "Type"); // RuntimeTypeHandle has to be RuntimeType
table.Add(CorInfoIntrinsics.CORINFO_INTRINSIC_RTH_GetValueInternal, "GetValueInternal", "System", "RuntimeTypeHandle");
table.Add(CorInfoIntrinsics.CORINFO_INTRINSIC_TypeEQ, "op_Equality", "System", "Type");
table.Add(CorInfoIntrinsics.CORINFO_INTRINSIC_TypeNEQ, "op_Inequality", "System", "Type");
table.Add(CorInfoIntrinsics.CORINFO_INTRINSIC_Object_GetType, "GetType", "System", "Object");
// table.Add(CorInfoIntrinsics.CORINFO_INTRINSIC_StubHelpers_GetStubContext, "GetStubContext", "System.StubHelpers", "StubHelpers"); // interop-specific
// table.Add(CorInfoIntrinsics.CORINFO_INTRINSIC_StubHelpers_GetStubContextAddr, "GetStubContextAddr", "System.StubHelpers", "StubHelpers"); // interop-specific
// table.Add(CorInfoIntrinsics.CORINFO_INTRINSIC_StubHelpers_GetNDirectTarget, "GetNDirectTarget", "System.StubHelpers", "StubHelpers"); // interop-specific
// table.Add(CorInfoIntrinsics.CORINFO_INTRINSIC_InterlockedAdd32, "Add", System.Threading", "Interlocked"); // unused
// table.Add(CorInfoIntrinsics.CORINFO_INTRINSIC_InterlockedAdd64, "Add", System.Threading", "Interlocked"); // unused
table.Add(CorInfoIntrinsics.CORINFO_INTRINSIC_InterlockedXAdd32, "ExchangeAdd", "System.Threading", "Interlocked");
// table.Add(CorInfoIntrinsics.CORINFO_INTRINSIC_InterlockedXAdd64, "ExchangeAdd", "System.Threading", "Interlocked"); // ambiguous match
table.Add(CorInfoIntrinsics.CORINFO_INTRINSIC_InterlockedXchg32, "Exchange", "System.Threading", "Interlocked");
// table.Add(CorInfoIntrinsics.CORINFO_INTRINSIC_InterlockedXchg64, "Exchange", "System.Threading", "Interlocked"); // ambiguous match
table.Add(CorInfoIntrinsics.CORINFO_INTRINSIC_InterlockedCmpXchg32, "CompareExchange", "System.Threading", "Interlocked");
// table.Add(CorInfoIntrinsics.CORINFO_INTRINSIC_InterlockedCmpXchg64, "CompareExchange", "System.Threading", "Interlocked"); // ambiguous match
table.Add(CorInfoIntrinsics.CORINFO_INTRINSIC_MemoryBarrier, "MemoryBarrier", "System.Threading", "Interlocked");
// table.Add(CorInfoIntrinsics.CORINFO_INTRINSIC_GetCurrentManagedThread, "GetCurrentThreadNative", "System", "Thread"); // not in .NET Core
// table.Add(CorInfoIntrinsics.CORINFO_INTRINSIC_GetManagedThreadId, "get_ManagedThreadId", "System", "Thread"); // not in .NET Core
table.Add(CorInfoIntrinsics.CORINFO_INTRINSIC_ByReference_Ctor, ".ctor", "System", "ByReference`1");
table.Add(CorInfoIntrinsics.CORINFO_INTRINSIC_ByReference_Value, "get_Value", "System", "ByReference`1");
table.Add(CorInfoIntrinsics.CORINFO_INTRINSIC_Span_GetItem, "get_Item", "System", "Span`1");
table.Add(CorInfoIntrinsics.CORINFO_INTRINSIC_ReadOnlySpan_GetItem, "get_Item", "System", "ReadOnlySpan`1");
table.Add(CorInfoIntrinsics.CORINFO_INTRINSIC_GetRawHandle, "EETypePtrOf", "System", "EETypePtr");
table.Add(CorInfoIntrinsics.CORINFO_INTRINSIC_GetRawHandle, "DefaultConstructorOf", "System", "Activator");
// If this assert fails, make sure to add the new intrinsics to the table above and update the expected count below.
Debug.Assert((int)CorInfoIntrinsics.CORINFO_INTRINSIC_Count == 54);
return table;
}
static IntrinsicHashtable s_IntrinsicHashtable = InitializeIntrinsicHashtable();
private CorInfoIntrinsics getIntrinsicID(CORINFO_METHOD_STRUCT_* ftn, byte* pMustExpand)
{
var method = HandleToObject(ftn);
return getIntrinsicID(method, pMustExpand);
}
private CorInfoIntrinsics getIntrinsicID(MethodDesc method, byte* pMustExpand)
{
if (pMustExpand != null)
*pMustExpand = 0;
Debug.Assert(method.IsIntrinsic);
IntrinsicKey key = new IntrinsicKey();
key.MethodName = method.Name;
var metadataType = method.OwningType as MetadataType;
if (metadataType != null)
{
key.TypeNamespace = metadataType.Namespace;
key.TypeName = metadataType.Name;
}
IntrinsicEntry entry;
if (!s_IntrinsicHashtable.TryGetValue(key, out entry))
return CorInfoIntrinsics.CORINFO_INTRINSIC_Illegal;
// Some intrinsics need further disambiguation
CorInfoIntrinsics id = entry.Id;
switch (id)
{
case CorInfoIntrinsics.CORINFO_INTRINSIC_Abs:
{
// RyuJIT handles floating point overloads only
var returnTypeCategory = method.Signature.ReturnType.Category;
if (returnTypeCategory != TypeFlags.Double && returnTypeCategory != TypeFlags.Single)
return CorInfoIntrinsics.CORINFO_INTRINSIC_Illegal;
}
break;
case CorInfoIntrinsics.CORINFO_INTRINSIC_Array_Get:
case CorInfoIntrinsics.CORINFO_INTRINSIC_Array_Address:
case CorInfoIntrinsics.CORINFO_INTRINSIC_Array_Set:
if (!method.OwningType.IsArray)
return CorInfoIntrinsics.CORINFO_INTRINSIC_Illegal;
break;
case CorInfoIntrinsics.CORINFO_INTRINSIC_InterlockedXAdd32:
case CorInfoIntrinsics.CORINFO_INTRINSIC_InterlockedXchg32:
case CorInfoIntrinsics.CORINFO_INTRINSIC_InterlockedCmpXchg32:
{
// RyuJIT handles int32 and int64 overloads only
var returnTypeCategory = method.Signature.ReturnType.Category;
if (returnTypeCategory != TypeFlags.Int32 && returnTypeCategory != TypeFlags.Int64 && returnTypeCategory != TypeFlags.IntPtr)
return CorInfoIntrinsics.CORINFO_INTRINSIC_Illegal;
// int64 overloads have different ids
if (returnTypeCategory == TypeFlags.Int64)
{
Debug.Assert((int)CorInfoIntrinsics.CORINFO_INTRINSIC_InterlockedXAdd32 + 1 == (int)CorInfoIntrinsics.CORINFO_INTRINSIC_InterlockedXAdd64);
Debug.Assert((int)CorInfoIntrinsics.CORINFO_INTRINSIC_InterlockedXchg32 + 1 == (int)CorInfoIntrinsics.CORINFO_INTRINSIC_InterlockedXchg64);
Debug.Assert((int)CorInfoIntrinsics.CORINFO_INTRINSIC_InterlockedCmpXchg32 + 1 == (int)CorInfoIntrinsics.CORINFO_INTRINSIC_InterlockedCmpXchg64);
id = (CorInfoIntrinsics)((int)id + 1);
}
}
break;
case CorInfoIntrinsics.CORINFO_INTRINSIC_RTH_GetValueInternal:
case CorInfoIntrinsics.CORINFO_INTRINSIC_InitializeArray:
case CorInfoIntrinsics.CORINFO_INTRINSIC_ByReference_Ctor:
case CorInfoIntrinsics.CORINFO_INTRINSIC_ByReference_Value:
if (pMustExpand != null)
*pMustExpand = 1;
break;
case CorInfoIntrinsics.CORINFO_INTRINSIC_GetRawHandle:
if (pMustExpand != null)
*pMustExpand = 1;
break;
default:
break;
}
return id;
}
}
}
|
