There is a lot of code floating around in both Dyninst and the test suite for antiquated platforms like AIX, Sun, and BlueGene (see #617 for this one). FreeBSD seems to be supported, but it's never tested. We've also been getting Github issues for Mac and Windows. What about 32-bit platforms (linux-32 is dead)? Do we want to support building with MSVC (it hasn't been tested in years), or just require MinGW/LSW and gcc/clang there?

1. What platforms do we officially support?
2. Which can we test on?
3. How should they be prioritized?