Hi,
I am using cecil library to inject some codes into main function. The
injected codes will call a interface from Windows native DLL. Its interface
is defined as" int fun1(int i) ".
Please see the following sample code:
___________________________________________________________________________________________________________________________________________
ModuleReference module_ref = new ModuleReference("test.dll");
assemblyDef.MainModule.ModuleReferences.Add(module_ref);
TypeReference nativeIntType =
assemblyDef.main_module.Import(typeof(Int32));
//add import reference
MethodDefinition importMethod = new MethodDefinition("fun1",
Mono.Cecil.MethodAttributes.HideBySig |
Mono.Cecil.MethodAttributes.Private
| Mono.Cecil.MethodAttributes.Static |
Mono.Cecil.MethodAttributes.PInvokeImpl
| Mono.Cecil.MethodAttributes.ReuseSlot, nativeIntType);
importMethod.ImplAttributes =
Mono.Cecil.MethodImplAttributes.PreserveSig |
Mono.Cecil.MethodImplAttributes.Managed |
Mono.Cecil.MethodImplAttributes.IL;
importMethod.PInvokeInfo = new
PInvokeInfo(PInvokeAttributes.CallConvCdecl, "fun1", module_ref);
importMethod.Parameters.Add(new ParameterDefinition("i",
Mono.Cecil.ParameterAttributes.None, nativeIntType));
———————————————————————————————————————————————————————————————————————————
Above codes can work well for the application compiled by dot net 2.0, 30,
3,5, however it will throw System.InvalidProgramException for the
application compiled by dot net 4.0.
I must say that cecil is a wonderful library I ever used for dot net file
handling. But this issue troubled me for several weeks. Hope anyone can
help me to fix it?
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