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http://github.com/mayuki
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No content
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MSIL
Java
MSIL
https://github.com/ojanacek/MsilInterpreter
https://github.com/kazuk/SimpleILer
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CLR
…
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http://github.com/mayuki/Inazuma
FizzBuzz
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CLR “Lightning”
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CoreCLR
MSIL
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.NET
…
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MSIL
MethodInfo
Mono.Cecil
http://github.com/dotnet/corefx
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Reference Definition
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Reference Resolve Definition
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EEClass
MethodTable
MethodDesc, FieldDesc
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MethodTable
MethodTable
NumVirtuals
EEClass EEClass
ParentMethodTable
Interfaces
MethodSlots
StaticFields
MethodSlots
Slot MethodDesc
0 MethodA(0x1)
1 MethodB(0x2)
2 MethodA(0x1)
3 MethodB(0x2)
4 MethodC(0x2)
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System.Object
Slot MethodDesc
0 ToString (virtual)
1 Equals (virtual)
2 GetHashCode
(virtual)
A
Slot MethodDesc
0 A.ToString (override)
1 Equals
2 GetHashCode
3 VirtualMethod (virtual)
B
Slot MethodDesc
0 A.ToString
1 Equals
2 GetHashCode
3 B.VirtualMethod (override)
4 B.VirtualMethod2
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CLR ?
0:006> !name2ee *!ConsoleApplication3.B
Module: 73281000
Assembly: mscorlib.dll
--------------------------------------
Module: 02dd3fbc
Assembly: ConsoleApplication3.exe
Token: 02000004
MethodTable: 02dd4dcc
EEClass: 02dd1858
Name: ConsoleApplication3.B
0:006> !dumpmt -md 02dd4dcc
EEClass: 02dd1858
Module: 02dd3fbc
Name: ConsoleApplication3.B
mdToken: 02000004
File: C:\Users\Tomoyo\Documents\visual studio
2015\Projects\ConsoleApplication3\ConsoleApplication3\bin\Debug\ConsoleApplication3.exe
BaseSize: 0xc
ComponentSize: 0x0
Slots in VTable: 7
Number of IFaces in IFaceMap: 0
--------------------------------------
MethodDesc Table
Entry MethodDe JIT Name
02e20055 02dd4d44 NONE ConsoleApplication3.A.ToString()
735f5600 7328835c PreJIT System.Object.Equals(System.Object)
735c19b0 7328837c PreJIT System.Object.GetHashCode()
735c16e8 73288390 PreJIT System.Object.Finalize()
02e20075 02dd4db4 NONE ConsoleApplication3.B.VirtualMethod()
02e20079 02dd4dbc NONE ConsoleApplication3.B.VirtualMethod2()
02e204a8 02dd4dc4 JIT ConsoleApplication3.B..ctor()
0:006> !name2ee *!ConsoleApplication3.A
Module: 73281000
Assembly: mscorlib.dll
--------------------------------------
Module: 02dd3fbc
Assembly: ConsoleApplication3.exe
Token: 02000003
MethodTable: 02dd4d5c
EEClass: 02dd1804
Name: ConsoleApplication3.A
0:006> !dumpmt -md 02dd4d5c
EEClass: 02dd1804
Module: 02dd3fbc
Name: ConsoleApplication3.A
mdToken: 02000003
File: C:\Users\Tomoyo\Documents\visual studio
2015\Projects\ConsoleApplication3\ConsoleApplication3\bin\Debug\ConsoleApplication3.exe
BaseSize: 0xc
ComponentSize: 0x0
Slots in VTable: 6
Number of IFaces in IFaceMap: 0
--------------------------------------
MethodDesc Table
Entry MethodDe JIT Name
02e20055 02dd4d44 NONE ConsoleApplication3.A.ToString()
735f5600 7328835c PreJIT System.Object.Equals(System.Object)
735c19b0 7328837c PreJIT System.Object.GetHashCode()
735c16e8 73288390 PreJIT System.Object.Finalize()
02e20059 02dd4d4c NONE ConsoleApplication3.A.VirtualMethod()
02e204e0 02dd4d54 JIT ConsoleApplication3.A..ctor()
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Inazuma MethodTable
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MethodTable
MethodTable
Slot MethodDesc
0 MethodA(0x1)
1 MethodB(0x2)
2 MethodA(0x1)
3 MethodB(0x2)
4 MethodC(0x2)
interface IA { void MethodA(); void MethodB(); }
interface IB { void MethodA(); void MethodB(); }
class C : IA, IB
{
public void MethodA() { }
public void MethodB() { }
public void MethodC() { }
}
InterfaceVTableMap
Interface MTSlot
IA 0
IB 2
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IL opcode
MSIL
https://msdn.microsoft.com/ja-jp/library/System.Reflection.Emit.OpCodes.aspx
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MethodDefinition
IL
( )
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mscorlib
CoreCLR mscorlib mscorlib
/nostdlib
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opcode
MethodTable
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Garbage Collection
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Book of the Runtime ( BotR)
https://github.com/dotnet/coreclr/tree/master/Documentation#book-of-the-runtime
SOS & WinDbg & ildasm
The Root of .NET Framework
OpCodes
https://msdn.microsoft.com/ja-jp/library/System.Reflection.Emit.OpCodes.aspx
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C# .NET
JIT and Run: .NET Framework : CLR
https://msdn.microsoft.com/ja-jp/magazine/ee216336.aspx
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IL
CLR
feature
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CoreCLR
https://github.com/dotnet/coreclr/blob/master/Documentation/building/windows-instructions.md
git clone coreclr
Install Visual Studio 2015
Install CMake
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Developer Command Prompt for VS2015
bin\Product\Windows_NT.x64.Debug CoreCLR
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Interpreter
CMakeLists.txt
Coreclr/bin ( )
Build
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bin\tests\obj\Windows_NT.x64.Debug\CoreCLR.sln
VS
Cee_wks
Warning treats as error fprintf warning
CoreCLR
CoreRun
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CoreRun.exe MyProgram.exe
( )
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mscorlib.dll
mscorlib.dll coreclr.dll
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Visual Studio CoreRun
Interpreter
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CoreCLR CoreRun CoreConsole
CoreRun
CoreConsole
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CoreCLR .NET CLR