// pie and default modes.
//
// Several functions are written with interesting st_other attributes, and
// call each other to test various calling combinations which require stubs.
//
// The call tree is as follows, starting from TestPPC64Stubs (A C function):
// TestPPC64Stubs (compiled PIC by default by Go)
//   notoc_func          [called TOC -> NOTOC (but R2 is preserved)]
//     toc_func          [called NOTOC -> TOC]