Да, monodis является эквивалентом Моно для ildasm.
$ cat a.cs
public class Foo
{
public static void Main()
{
System.Console.WriteLine("Hello world");
}
}
$ monodis a.exe
.assembly extern mscorlib
{
.ver 1:0:5000:0
.publickeytoken = (B7 7A 5C 56 19 34 E0 89 ) // .z\V.4..
}
.assembly 'a'
{
.hash algorithm 0x00008004
.ver 0:0:0:0
}
.module a.exe // GUID = {034ADE1A-22D2-4B2B-960B-AE9DBFB2FCE7}
.class public auto ansi beforefieldinit Foo
extends [mscorlib]System.Object
{
// method line 1
.method public hidebysig specialname rtspecialname
instance default void '.ctor' () cil managed
{
// Method begins at RVA 0x20ec
// Code size 7 (0x7)
.maxstack 8
IL_0000: ldarg.0
IL_0001: call instance void object::'.ctor'()
IL_0006: ret
} // end of method Foo::.ctor
// method line 2
.method public static hidebysig
default void Main () cil managed
{
// Method begins at RVA 0x20f4
.entrypoint
// Code size 11 (0xb)
.maxstack 8
IL_0000: ldstr "Hello world"
IL_0005: call void class [mscorlib]System.Console::WriteLine(string)
IL_000a: ret
} // end of method Foo::Main
} // end of class Foo