diff options
Diffstat (limited to 'lib/tsan/rtl/tsan_rtl.cc')
| -rw-r--r-- | lib/tsan/rtl/tsan_rtl.cc | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/lib/tsan/rtl/tsan_rtl.cc b/lib/tsan/rtl/tsan_rtl.cc index 546cc196a..1205028e3 100644 --- a/lib/tsan/rtl/tsan_rtl.cc +++ b/lib/tsan/rtl/tsan_rtl.cc @@ -462,6 +462,27 @@ void MemoryAccessImpl(ThreadState *thr, uptr addr, return; } +void UnalignedMemoryAccess(ThreadState *thr, uptr pc, uptr addr, + int size, bool kAccessIsWrite, bool kIsAtomic) { + while (size) { + int size1 = 1; + int kAccessSizeLog = kSizeLog1; + if (size >= 8 && (addr & ~7) == ((addr + 8) & ~7)) { + size1 = 8; + kAccessSizeLog = kSizeLog8; + } else if (size >= 4 && (addr & ~7) == ((addr + 4) & ~7)) { + size1 = 4; + kAccessSizeLog = kSizeLog4; + } else if (size >= 2 && (addr & ~7) == ((addr + 2) & ~7)) { + size1 = 2; + kAccessSizeLog = kSizeLog2; + } + MemoryAccess(thr, pc, addr, kAccessSizeLog, kAccessIsWrite, kIsAtomic); + addr += size1; + size -= size1; + } +} + ALWAYS_INLINE USED void MemoryAccess(ThreadState *thr, uptr pc, uptr addr, int kAccessSizeLog, bool kAccessIsWrite, bool kIsAtomic) { |