tree bc08011e3b9f4c132fc605dc54d1d5f50c932a29
parent b0b2080b4cea8365052d1be973e927f8ee85f609
author Hiroshi Yamauchi <yamauchi@google.com> 1478026529 -0700
committer Hiroshi Yamauchi <yamauchi@google.com> 1478129464 -0700

Clean up the runtime read barrier and fix fake address dependency.

- Rename GetReadBarrierPointer to GetReadBarrierState.
- Change its return type to uint32_t.
- Fix the runtime fake address dependency for arm/arm64 using inline
  asm.
- Drop ReadBarrier::black_ptr_ and some brooks code.

Bug: 12687968
Test: test-art with CC, Ritz EAAC, libartd boot on N9.
Change-Id: I595970db825db5be2e98ee1fcbd7696d5501af55