ARM ELF GCC vs ARM EABI GCC

With Developer Studio 1.2.0, I now have the option of either ARM ELF GCC or ARM EABI GCC for my target mode builds. Can someone explain the difference?

Explained when DS 1.1.2 was released: [url]https://forum.sierrawireless.com/t/why-so-many-toolchains/4746/1]