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Commit d93c0c4d authored by Adhemerval Zanella's avatar Adhemerval Zanella
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[sanitizer] [dfsan] Unify aarch64 mapping 

This patch changes the DFSan instrumentation for aarch64 to instead
of using fixes application mask defined by SANITIZER_AARCH64_VMA
to read the application shadow mask value from compiler-rt. The value
is initialized based on runtime VAM detection.

Along with this patch a compiler-rt one will also be added to export
the shadow mask variable.

llvm-svn: 254196
parent 2a4db901
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