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| author | Adhemerval Zanella <adhemerval.zanella@linaro.org> | 2015-11-09 18:05:24 +0000 |
|---|---|---|
| committer | Adhemerval Zanella <adhemerval.zanella@linaro.org> | 2015-11-09 18:05:24 +0000 |
| commit | c3825cb83ded0b710b40add0c95adfebed544902 (patch) | |
| tree | 7bce4ecec9fac431e54ce663e09fe7b1575bc035 /lib/lsan | |
| parent | 623cb1d391f15595c8c2e9814d140db8bad9bddb (diff) | |
[compiler-rt] [asan] Use same shadow offset for aarch64
This patch makes ASAN for aarch64 use the same shadow offset for all
currently supported VMAs (39 and 42 bits). The shadow offset is the
same for 39-bit (36).
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@252497 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/lsan')
| -rw-r--r-- | lib/lsan/lsan_common.cc | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/lsan/lsan_common.cc b/lib/lsan/lsan_common.cc index 6600abb9a..1cffac443 100644 --- a/lib/lsan/lsan_common.cc +++ b/lib/lsan/lsan_common.cc @@ -120,7 +120,9 @@ static inline bool CanBeAHeapPointer(uptr p) { #elif defined(__mips64) return ((p >> 40) == 0); #elif defined(__aarch64__) - return ((p >> SANITIZER_AARCH64_VMA) == 0); + unsigned runtimeVMA = + (MostSignificantSetBitIndex(GET_CURRENT_FRAME()) + 1); + return ((p >> runtimeVMA) == 0); #else return true; #endif |