1 // Copyright 2016 the V8 project authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "src/zone/zone-segment.h" 6 7 #include "src/msan.h" 8 9 namespace v8 { 10 namespace internal { 11 ZapContents()12void Segment::ZapContents() { 13 #ifdef DEBUG 14 memset(reinterpret_cast<void*>(start()), kZapDeadByte, capacity()); 15 #endif 16 MSAN_ALLOCATED_UNINITIALIZED_MEMORY(start(), capacity()); 17 } 18 ZapHeader()19void Segment::ZapHeader() { 20 #ifdef DEBUG 21 memset(this, kZapDeadByte, sizeof(Segment)); 22 #endif 23 MSAN_ALLOCATED_UNINITIALIZED_MEMORY(start(), sizeof(Segment)); 24 } 25 26 } // namespace internal 27 } // namespace v8 28