| // Copyright 2020 the V8 project authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "src/snapshot/snapshot-utils.h" |
| |
| #include "src/sanitizer/msan.h" |
| #include "third_party/zlib/zlib.h" |
| |
| namespace v8 { |
| namespace internal { |
| |
| uint32_t Checksum(Vector<const byte> payload) { |
| #ifdef MEMORY_SANITIZER |
| // Computing the checksum includes padding bytes for objects like strings. |
| // Mark every object as initialized in the code serializer. |
| MSAN_MEMORY_IS_INITIALIZED(payload.begin(), payload.length()); |
| #endif // MEMORY_SANITIZER |
| // Priming the adler32 call so it can see what CPU features are available. |
| adler32(0, nullptr, 0); |
| return static_cast<uint32_t>(adler32(0, payload.begin(), payload.length())); |
| } |
| |
| } // namespace internal |
| } // namespace v8 |
