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| author | Dmitry Vyukov <dvyukov@google.com> | 2013-03-18 15:49:07 +0000 |
|---|---|---|
| committer | Dmitry Vyukov <dvyukov@google.com> | 2013-03-18 15:49:07 +0000 |
| commit | 2e7f29f042eb203215eb0ccb12ebc5b811fa4c7a (patch) | |
| tree | 93d5009b1aa6794ed1a677777fbba455646df182 /compiler-rt/lib/tsan/rtl/tsan_rtl.cc | |
| parent | 2f69d405ccd7d0d9ea653dd4c65e65d13753898c (diff) | |
| download | bcm5719-llvm-2e7f29f042eb203215eb0ccb12ebc5b811fa4c7a.tar.gz bcm5719-llvm-2e7f29f042eb203215eb0ccb12ebc5b811fa4c7a.zip | |
tsan: mark shadow for thread stack as "don't need" when thread exits
llvm-svn: 177288
Diffstat (limited to 'compiler-rt/lib/tsan/rtl/tsan_rtl.cc')
| -rw-r--r-- | compiler-rt/lib/tsan/rtl/tsan_rtl.cc | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/compiler-rt/lib/tsan/rtl/tsan_rtl.cc b/compiler-rt/lib/tsan/rtl/tsan_rtl.cc index 2e9a36b9c36..9ed3a4c8514 100644 --- a/compiler-rt/lib/tsan/rtl/tsan_rtl.cc +++ b/compiler-rt/lib/tsan/rtl/tsan_rtl.cc @@ -125,6 +125,12 @@ static void InitializeMemoryProfile() { internal_start_thread(&MemoryProfileThread, (void*)(uptr)fd); } +void DontNeedShadowFor(uptr addr, uptr size) { + uptr shadow_beg = MemToShadow(addr); + uptr shadow_end = MemToShadow(addr + size); + FlushUnneededShadowMemory(shadow_beg, shadow_end - shadow_beg); +} + static void MemoryFlushThread(void *arg) { ScopedInRtl in_rtl; for (int i = 0; ; i++) { |
