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| author | Alexey Samsonov <vonosmas@gmail.com> | 2014-09-04 20:47:27 +0000 |
|---|---|---|
| committer | Alexey Samsonov <vonosmas@gmail.com> | 2014-09-04 20:47:27 +0000 |
| commit | f537aeaea123d9a0258e95e91ae3d07c723ad26f (patch) | |
| tree | 7ad5879149d382d24ee8684da49692ce932ddb99 | |
| parent | c2e09253bddd5536ea2788d139cba5e755fbbac5 (diff) | |
| download | bcm5719-llvm-f537aeaea123d9a0258e95e91ae3d07c723ad26f.tar.gz bcm5719-llvm-f537aeaea123d9a0258e95e91ae3d07c723ad26f.zip | |
[ASan] Remove the call to GetPageSizeCached from fast path of FastPoisonShadow
llvm-svn: 217194
| -rw-r--r-- | compiler-rt/lib/asan/asan_poisoning.h | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/compiler-rt/lib/asan/asan_poisoning.h b/compiler-rt/lib/asan/asan_poisoning.h index bd680ae94fb..feda1a98454 100644 --- a/compiler-rt/lib/asan/asan_poisoning.h +++ b/compiler-rt/lib/asan/asan_poisoning.h @@ -35,7 +35,6 @@ void PoisonShadowPartialRightRedzone(uptr addr, ALWAYS_INLINE void FastPoisonShadow(uptr aligned_beg, uptr aligned_size, u8 value) { DCHECK(flags()->poison_heap); - uptr PageSize = GetPageSizeCached(); uptr shadow_beg = MEM_TO_SHADOW(aligned_beg); uptr shadow_end = MEM_TO_SHADOW( aligned_beg + aligned_size - SHADOW_GRANULARITY) + 1; @@ -48,8 +47,9 @@ ALWAYS_INLINE void FastPoisonShadow(uptr aligned_beg, uptr aligned_size, shadow_end - shadow_beg < common_flags()->clear_shadow_mmap_threshold) { REAL(memset)((void*)shadow_beg, value, shadow_end - shadow_beg); } else { - uptr page_beg = RoundUpTo(shadow_beg, PageSize); - uptr page_end = RoundDownTo(shadow_end, PageSize); + uptr page_size = GetPageSizeCached(); + uptr page_beg = RoundUpTo(shadow_beg, page_size); + uptr page_end = RoundDownTo(shadow_end, page_size); if (page_beg >= page_end) { REAL(memset)((void *)shadow_beg, 0, shadow_end - shadow_beg); |
