Fix sign extension issues
Fix sign extension issues when reading and writing pointers to
int32_t fields. Cast the pointer to a uint32_t to check if it
fits, and cast it through uintptr_t and uint32_t.
Bug: 36281983
Test: m -j test-art-host with LibartImgHostBaseAddress == 0xa0000000
Change-Id: Idec99dcb5a47f2633a4f14c98af8e23c46dc7052
diff --git a/runtime/mirror/array-inl.h b/runtime/mirror/array-inl.h
index f56226b..04c80c5 100644
--- a/runtime/mirror/array-inl.h
+++ b/runtime/mirror/array-inl.h
@@ -402,8 +402,8 @@
return (T)static_cast<uintptr_t>(
AsLongArray<kVerifyFlags, kReadBarrierOption>()->GetWithoutChecks(idx));
}
- return (T)static_cast<uintptr_t>(
- AsIntArray<kVerifyFlags, kReadBarrierOption>()->GetWithoutChecks(idx));
+ return (T)static_cast<uintptr_t>(static_cast<uint32_t>(
+ AsIntArray<kVerifyFlags, kReadBarrierOption>()->GetWithoutChecks(idx)));
}
template<bool kTransactionActive, bool kUnchecked>