diff options
Diffstat (limited to 'lib/asan/asan_poisoning.h')
| -rw-r--r-- | lib/asan/asan_poisoning.h | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/lib/asan/asan_poisoning.h b/lib/asan/asan_poisoning.h index cc3281e08..1e00070bc 100644 --- a/lib/asan/asan_poisoning.h +++ b/lib/asan/asan_poisoning.h @@ -46,8 +46,11 @@ ALWAYS_INLINE void FastPoisonShadow(uptr aligned_beg, uptr aligned_size, // for mapping shadow and zeroing out pages doesn't "just work", so we should // probably provide higher-level interface for these operations. // For now, just memset on Windows. - if (value || - SANITIZER_WINDOWS == 1 || + if (value || SANITIZER_WINDOWS == 1 || + // TODO(mcgrathr): Fuchsia doesn't allow the shadow mapping to be + // changed at all. It doesn't currently have an efficient means + // to zero a bunch of pages, but maybe we should add one. + SANITIZER_FUCHSIA == 1 || shadow_end - shadow_beg < common_flags()->clear_shadow_mmap_threshold) { REAL(memset)((void*)shadow_beg, value, shadow_end - shadow_beg); } else { |