Hey,
That's the intended behavior of System.Reflection. (This has nothing
to do with Cecil)
If you want to retrieve a non public method from System.Reflection,
you have to specify it so like this:
GetMethod("Check", BindingFlags.NonPublic | BindingFlags.Static)
(Replace Static by Instance if you want an Instance method).
That all being said, it's illegal in IL to call a private method from
another assembly/type, you're going to get a runtime exception.
Jb
On Fri, Nov 28, 2014 at 5:33 AM, SM <[email protected]> wrote:
> if Method "Check" is private in acc_check.Math1
> Instruction i2 = ilProcessor.Create(OpCodes.Call,
> md.Module.Import(typeof(acc_check.Math1).GetMethod("Check")));
> GetMethod returns null
>
> If "Check" I spublic it works fine
>
> On Wednesday, November 26, 2014 2:54:36 PM UTC+5:30, Jb Evain wrote:
>>
>> Hi,
>>
>> Could you describe the issues you're having?
>>
>> Jb
>>
>> On Wed, Nov 26, 2014 at 6:29 AM, SM <[email protected]> wrote:
>> > Hi,
>> >
>> > While injecting a private method call from different assembly ,
>> > getting
>> > issus
>> > Can we inject private method call using Cecil ?
>> >
>> >
>> > foreach (ModuleDefinition mod in asm.Modules)
>> > {
>> > foreach (TypeDefinition td in mod.Types)
>> > {
>> > if (td.Name == "<Module>")
>> > {
>> > continue;
>> > }
>> >
>> > foreach (MethodDefinition md in td.Methods)
>> > {
>> > if (md.Name.ToString() != ".ctor" &&
>> > md.Name.ToString() != "Main")
>> > {
>> > ILProcessor ilProcessor =
>> > md.Body.GetILProcessor();
>> > Instruction i1 =
>> > ilProcessor.Create(OpCodes.Ldstr, md.ToString());
>> > injected = true;
>> >
>> > // Call the method which would call private
>> > method from different assembly
>> > string type_name = asm.Name.Name.ToString()
>> > +
>> > "." + td.Name.ToString();
>> > Instruction i2 =
>> > ilProcessor.Create(OpCodes.Call,
>> > md.Module.Import(typeof(acc_check.Math1).GetMethod("Check")));
>> >
>> > ilProcessor.InsertAfter(md.Body.Instructions[0],
>> > i2);
>> >
>> > }
>> > }
>> > td.Name = td.Name.ToString() + "_Accessor";
>> > td.Namespace = td.Namespace.ToString() +
>> > "_Accessor";
>> > }
>> > asm.Name.Name += "_Accessor";
>> > }
>> > asm.Write(accessor_dll ,new WriterParameters { WriteSymbols
>> > =
>> > true });
>> >
>> >
>> > "Check" is a private method in acc_check.Math1
>> >
>> > --
>> > --
>> > --
>> > mono-cecil
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>
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