Opcode oddities (05 Sep 2013)

x86 oddities is quite an amusing collection of x86 opcodes and behaviors which aren't commonly known.

The same site also has video tutorials on the portable executable (PE) format, and neat opcode tables for x86, Java bytecode and .NET IL. Very useful!

And while we're discussing Java bytecode and .NET IL: I have always found IKVM most fascinating - this lets you run your Java code in a .NET CLR. Roughly, it works by loading Java class files and translating them on the fly to .NET IL code. (I think there is also a "static" translation mode, though.) Using IKVM, people succeeded in running fairly involved stuff like Eclipse and Groovy in the CLR...

In a similar vein, jni4net tries to create a bridge between .NET and Java. Fascinating stuff as well.

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