Created files sanitizer_linux.cc and sanitizer_mac.cc for platform-specific implementations of common functions. Turned asan_mmap into __sanitizer::internal_mmap.

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@157930 91177308-0d34-0410-b5e6-96231b3b80d8
5 files changed