[PATCH] D20485: [esan] Add working set base runtime library

[Derek Bruening via llvm-commits]

bruening created this revision.
bruening added a reviewer: aizatsky.
bruening added subscribers: llvm-commits, eugenis, kcc, zhaoqin, vitalybuka.
Herald added a subscriber: kubabrecka.

Adds the base runtime library for the working set tool.
Adds slowpath code for updating the shadow memory.

To be added in the future:
+ Scan memory and report the total size.
+ Take samples for intermediate values.

http://reviews.llvm.org/D20485

Files:
  lib/esan/CMakeLists.txt
  lib/esan/esan.cpp
  lib/esan/esan_interface_internal.h
  lib/esan/working_set.cpp
  lib/esan/working_set.h
  test/esan/TestCases/workingset-memset.cpp
  test/esan/lit.cfg

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