Notes

### Linking Against Intel Object File
1. Create bridging file


### Debugging Assembly Code
Like normal code, assembly can be stepped through in Xcode using the *Step In* button. Using the LLDB debugger we can inspect registers and gather other useful information. A full list of the [LLDB Command Map](http://lldb.llvm.org/lldb-gdb.html) can be found on the offical website.



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Setting preprocessor macros
Must define in preprocessor macros as well as "Other Swift Flags" in order to expose them to swift.


In .swift files arch() can be used:
I can use arch() with : x86_64, arm, arm64, or i386
  ex. #if arch(arm) || arch(arm64)