diff options
| -rw-r--r-- | compiler-rt/lib/sanitizer_common/sanitizer_coverage_libcdep.cc | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/compiler-rt/lib/sanitizer_common/sanitizer_coverage_libcdep.cc b/compiler-rt/lib/sanitizer_common/sanitizer_coverage_libcdep.cc index 26dc1582aea..e934af3ed97 100644 --- a/compiler-rt/lib/sanitizer_common/sanitizer_coverage_libcdep.cc +++ b/compiler-rt/lib/sanitizer_common/sanitizer_coverage_libcdep.cc @@ -171,7 +171,11 @@ class CoverageData { // - not thread-safe; // - does not support long traces; // - not tuned for performance. - static const uptr kTrEventArrayMaxSize = FIRST_32_SECOND_64(1 << 22, 1 << 30); + // Windows doesn't do overcommit (committed virtual memory costs swap), so + // programs can't reliably map such large amounts of virtual memory. + // TODO(etienneb): Find a way to support coverage of larger executable +static const uptr kTrEventArrayMaxSize = + (SANITIZER_WORDSIZE == 32 || SANITIZER_WINDOWS) ? 1 << 22 : 1 << 30; u32 *tr_event_array; uptr tr_event_array_size; u32 *tr_event_pointer; |
