tree 68c3c426b8ae0469f42b5d7049b96bd994f9e975
parent 559aab35ec7c210fb43fdcaf1d16368d764c896b
author Ryan Prichard <rprichard@google.com> 1598597209 -0700
committer Copybara-Service <copybara-worker@google.com> 1604019925 -0700

[libunwind] Replace chain-of-ifdefs for dl_iterate_phdr

Define a _LIBUNWIND_USE_DL_ITERATE_PHDR macro in config.h when there is
no other unwind info lookup method. Also define a
_LIBUNWIND_USE_DL_UNWIND_FIND_EXIDX macro to factor out
(__BIONIC__ and _LIBUNWIND_ARM_EHABI).

Differential Revision: https://reviews.llvm.org/D86768

GitOrigin-RevId: 88bf133c99c3124842c182a019306f83f2c1b856