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-rw-r--r--llvm/lib/Transforms/Instrumentation/AddressSanitizer.cpp10
1 files changed, 6 insertions, 4 deletions
diff --git a/llvm/lib/Transforms/Instrumentation/AddressSanitizer.cpp b/llvm/lib/Transforms/Instrumentation/AddressSanitizer.cpp
index a98439b6b39..52b2290a938 100644
--- a/llvm/lib/Transforms/Instrumentation/AddressSanitizer.cpp
+++ b/llvm/lib/Transforms/Instrumentation/AddressSanitizer.cpp
@@ -337,10 +337,12 @@ static ShadowMapping getShadowMapping(Triple &TargetTriple, int LongSize,
ShadowMapping Mapping;
- if (LongSize == 32) {
- if (IsAndroid)
- Mapping.Offset = 0;
- else if (IsMIPS32)
+ if (IsAndroid) {
+ // Android is always PIE, which means that the beginning of the address
+ // space is always available.
+ Mapping.Offset = 0;
+ } else if (LongSize == 32) {
+ if (IsMIPS32)
Mapping.Offset = kMIPS32_ShadowOffset32;
else if (IsFreeBSD)
Mapping.Offset = kFreeBSD_ShadowOffset32;
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