[all-commits] [llvm/llvm-project] 88bf13: [libunwind] Replace chain-of-ifdefs for dl_iterate...

[Ryan Prichard via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 88bf133c99c3124842c182a019306f83f2c1b856
      https://github.com/llvm/llvm-project/commit/88bf133c99c3124842c182a019306f83f2c1b856
  Author: Ryan Prichard <rprichard at google.com>
  Date:   2020-09-08 (Tue, 08 Sep 2020)

  Changed paths:
    M libunwind/src/AddressSpace.hpp
    M libunwind/src/config.h
    M libunwind/test/frameheadercache_test.pass.cpp

  Log Message:
  -----------
  [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