1//===-- msan_chained_origin_depot.cpp -------------------------------------===// 2// 3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4// See https://llvm.org/LICENSE.txt for license information. 5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6// 7//===----------------------------------------------------------------------===// 8// 9// This file is a part of MemorySanitizer. 10// 11// A storage for chained origins. 12//===----------------------------------------------------------------------===// 13 14#include "msan_chained_origin_depot.h" 15 16#include "sanitizer_common/sanitizer_chained_origin_depot.h" 17 18namespace __msan { 19 20static ChainedOriginDepot chainedOriginDepot; 21 22StackDepotStats ChainedOriginDepotGetStats() { 23 return chainedOriginDepot.GetStats(); 24} 25 26bool ChainedOriginDepotPut(u32 here_id, u32 prev_id, u32 *new_id) { 27 return chainedOriginDepot.Put(here_id, prev_id, new_id); 28} 29 30u32 ChainedOriginDepotGet(u32 id, u32 *other) { 31 return chainedOriginDepot.Get(id, other); 32} 33 34void ChainedOriginDepotBeforeFork() { chainedOriginDepot.LockBeforeFork(); } 35 36void ChainedOriginDepotAfterFork(bool fork_child) { 37 chainedOriginDepot.UnlockAfterFork(fork_child); 38} 39 40} // namespace __msan 41