Has anyone previously run into this issue with Cecil? I tried running
PEVerify against my modified assembly, and it gives me this output:
*Microsoft (R) .NET Framework PE Verifier. Version 4.0.30319.33440*
*Copyright (c) Microsoft Corporation. All rights reserved.*
*[IL]: Error: [...\Deflector.NET\Deflect*
*or\Deflector.Tests\bin\Debug\output.dll :
SampleLibrary.SampleClassWithConstruct*
*orCall::DoSomething][mdToken=0x6000006][offset 0x00000124] Unable to
resolve tok*
*en.*
*1 Error(s) Verifying output.dll*
Offset 0x124 looks like this:
* IL_0124: ldtoken !0[] IL_0129: call class
[mscorlib]System.Type [mscorlib]System.Type::GetTypeFromHandle(valuetype
[mscorlib]System.RuntimeTypeHandle)*
Here's the C# code snippet that emits the IL:
*// Save the return type*
*var getTypeFromHandle = module.Import(GetTypeFromHandle);*
*var returnType = targetMethod.ReturnType;*
*IL.Emit(OpCodes.Ldtoken, returnType);*
*IL.Emit(OpCodes.Call, getTypeFromHandle);*
In this case, the return type is supposed to be just an array of int32s,
but I don't know why it substitutes the !0 instead of an int array type. Is
this the expected behavior for Cecil?
Here's the complete method IL dump:
*.method public hidebysig instance void DoSomething() cil managed*
*{*
* .custom instance void
[Deflector]Deflector.MethodCallsAlreadyInterceptedAttribute::.ctor() = ( 01
00 00 00 ) *
* // Code size 353 (0x161)*
* .maxstack 7*
* .locals init (class [mscorlib]System.Collections.Generic.List`1<int32>
V_0,*
* int32[] V_1,*
* class [System]System.Collections.Generic.Stack`1<object> V_2,*
* object V_3,*
* class [Deflector]Deflector.IInvocationInfo V_4,*
* class [Deflector]Deflector.IMethodCall V_5,*
* object V_6,*
* class [mscorlib]System.Type[] V_7,*
* class [mscorlib]System.Type[] V_8,*
* class [mscorlib]System.Reflection.MethodBase[] V_9,*
* class [mscorlib]System.Collections.Generic.IDictionary`2<class
[mscorlib]System.Reflection.MethodBase,class
[Deflector]Deflector.IMethodCall> V_10,*
* class [Deflector]Deflector.IMethodCallProvider V_11)*
* IL_0000: call class [Deflector]Deflector.IMethodCallProvider
[Deflector]Deflector.MethodCallProviderRegistry::GetProvider()*
* IL_0005: stloc V_11*
* IL_0009: newobj instance void class
[mscorlib]System.Collections.Concurrent.ConcurrentDictionary`2<class
[mscorlib]System.Reflection.MethodBase,class
[Deflector]Deflector.IMethodCall>::.ctor()*
* IL_000e: stloc V_10*
* IL_0012: ldloc V_11*
* IL_0016: brfalse IL_008a*
* IL_001b: ldc.i4 0x2*
* IL_0020: newarr [mscorlib]System.Reflection.MethodBase*
* IL_0025: stloc V_9*
* IL_0029: ldloc V_9*
* IL_002d: ldc.i4 0x0*
* IL_0032: ldtoken method instance !0[] class
[mscorlib]System.Collections.Generic.List`1<int32>::ToArray()*
* IL_0037: ldtoken class
[mscorlib]System.Collections.Generic.List`1<int32>*
* IL_003c: call class [mscorlib]System.Reflection.MethodBase
[mscorlib]System.Reflection.MethodBase::GetMethodFromHandle(valuetype
[mscorlib]System.RuntimeMethodHandle,*
*
valuetype
[mscorlib]System.RuntimeTypeHandle)*
* IL_0041: stelem.ref*
* IL_0042: ldloc V_9*
* IL_0046: ldc.i4 0x1*
* IL_004b: ldtoken method instance void class
[mscorlib]System.Collections.Generic.List`1<int32>::.ctor()*
* IL_0050: ldtoken class
[mscorlib]System.Collections.Generic.List`1<int32>*
* IL_0055: call class [mscorlib]System.Reflection.MethodBase
[mscorlib]System.Reflection.MethodBase::GetMethodFromHandle(valuetype
[mscorlib]System.RuntimeMethodHandle,*
*
valuetype
[mscorlib]System.RuntimeTypeHandle)*
* IL_005a: stelem.ref*
* IL_005b: ldloc V_11*
* IL_005f: ldloc V_6*
* IL_0063: ldtoken method instance void
SampleLibrary.SampleClassWithConstructorCall::DoSomething()*
* IL_0068: ldtoken SampleLibrary.SampleClassWithConstructorCall*
* IL_006d: call class [mscorlib]System.Reflection.MethodBase
[mscorlib]System.Reflection.MethodBase::GetMethodFromHandle(valuetype
[mscorlib]System.RuntimeMethodHandle,*
*
valuetype
[mscorlib]System.RuntimeTypeHandle)*
* IL_0072: ldloc V_9*
* IL_0076: ldloc V_10*
* IL_007a: ldc.i4 0x0*
* IL_007f: ldc.i4.1*
* IL_0080: newobj instance void
[mscorlib]System.Diagnostics.StackTrace::.ctor(int32,*
*
bool)*
* IL_0085: callvirt instance void
[Deflector]Deflector.IMethodCallProvider::AddMethodCalls(object,*
*
class [mscorlib]System.Reflection.MethodBase,*
*
class
[mscorlib]System.Collections.Generic.IEnumerable`1<class
[mscorlib]System.Reflection.MethodBase>,*
*
class
[mscorlib]System.Collections.Generic.IDictionary`2<class
[mscorlib]System.Reflection.MethodBase,class
[Deflector]Deflector.IMethodCall>,*
*
class [mscorlib]System.Diagnostics.StackTrace)*
* IL_008a: nop*
* IL_008b: nop*
* IL_008c: newobj instance void class
[mscorlib]System.Collections.Generic.List`1<int32>::.ctor()*
* IL_0091: stloc.0*
* IL_0092: ldloc.0*
* IL_0093: newobj instance void class
[System]System.Collections.Generic.Stack`1<object>::.ctor()*
* IL_0098: stloc V_2*
* IL_009c: ldloc V_10*
* IL_00a0: ldtoken method instance !0[] class
[mscorlib]System.Collections.Generic.List`1<int32>::ToArray()*
* IL_00a5: ldtoken class
[mscorlib]System.Collections.Generic.List`1<int32>*
* IL_00aa: call class [mscorlib]System.Reflection.MethodBase
[mscorlib]System.Reflection.MethodBase::GetMethodFromHandle(valuetype
[mscorlib]System.RuntimeMethodHandle,*
*
valuetype
[mscorlib]System.RuntimeTypeHandle)*
* IL_00af: callvirt instance bool class
[mscorlib]System.Collections.Generic.IDictionary`2<class
[mscorlib]System.Reflection.MethodBase,class
[Deflector]Deflector.IMethodCall>::ContainsKey(!0)*
* IL_00b4: brfalse IL_0158*
* IL_00b9: ldloc V_10*
* IL_00bd: ldtoken method instance !0[] class
[mscorlib]System.Collections.Generic.List`1<int32>::ToArray()*
* IL_00c2: ldtoken class
[mscorlib]System.Collections.Generic.List`1<int32>*
* IL_00c7: call class [mscorlib]System.Reflection.MethodBase
[mscorlib]System.Reflection.MethodBase::GetMethodFromHandle(valuetype
[mscorlib]System.RuntimeMethodHandle,*
*
valuetype
[mscorlib]System.RuntimeTypeHandle)*
* IL_00cc: callvirt instance !1 class
[mscorlib]System.Collections.Generic.IDictionary`2<class
[mscorlib]System.Reflection.MethodBase,class
[Deflector]Deflector.IMethodCall>::get_Item(!0)*
* IL_00d1: stloc V_5*
* IL_00d5: ldloc V_5*
* IL_00d9: brfalse IL_0158*
* IL_00de: stloc V_6*
* IL_00e2: ldloc V_6*
* IL_00e6: ldtoken method instance !0[] class
[mscorlib]System.Collections.Generic.List`1<int32>::ToArray()*
* IL_00eb: ldtoken class
[mscorlib]System.Collections.Generic.List`1<int32>*
* IL_00f0: call class [mscorlib]System.Reflection.MethodBase
[mscorlib]System.Reflection.MethodBase::GetMethodFromHandle(valuetype
[mscorlib]System.RuntimeMethodHandle,*
*
valuetype
[mscorlib]System.RuntimeTypeHandle)*
* IL_00f5: ldc.i4 0x0*
* IL_00fa: ldc.i4.1*
* IL_00fb: newobj instance void
[mscorlib]System.Diagnostics.StackTrace::.ctor(int32,*
*
bool)*
* IL_0100: ldc.i4 0x0*
* IL_0105: newarr [mscorlib]System.Type*
* IL_010a: stloc V_7*
* IL_010e: ldloc V_7*
* IL_0112: ldc.i4 0x0*
* IL_0117: newarr [mscorlib]System.Type*
* IL_011c: stloc V_8*
* IL_0120: ldloc V_8*
* IL_0124: ldtoken !0[]*
* IL_0129: call class [mscorlib]System.Type
[mscorlib]System.Type::GetTypeFromHandle(valuetype
[mscorlib]System.RuntimeTypeHandle)*
* IL_012e: ldloc V_2*
* IL_0132: callvirt instance !0[] class
[System]System.Collections.Generic.Stack`1<object>::ToArray()*
* IL_0137: newobj instance void
[Deflector]Deflector.InvocationInfo::.ctor(object,*
*
class [mscorlib]System.Reflection.MethodBase,*
*
class [mscorlib]System.Diagnostics.StackTrace,*
*
class [mscorlib]System.Type[],*
*
class [mscorlib]System.Type[],*
*
class [mscorlib]System.Type,*
*
object[])*
* IL_013c: stloc V_4*
* IL_0140: ldloc V_5*
* IL_0144: ldloc V_4*
* IL_0148: callvirt instance object
[Deflector]Deflector.IMethodCall::Invoke(class
[Deflector]Deflector.IInvocationInfo)*
* IL_014d: unbox.any !0[]*
* IL_0152: ldnull*
* IL_0153: br IL_015e*
* IL_0158: nop*
* IL_0159: callvirt instance !0[] class
[mscorlib]System.Collections.Generic.List`1<int32>::ToArray()*
* IL_015e: nop*
* IL_015f: stloc.1*
* IL_0160: ret*
*} // end of method SampleClassWithConstructorCall::DoSomething*
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