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