| // Copyright 2012 Google Inc. All Rights Reserved. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #include "syzygy/common/indexed_frequency_data.h" |
| |
| #include "base/logging.h" |
| |
| namespace common { |
| |
| const uint32 kBasicBlockCoverageAgentId = 0xC05E4A6E; |
| const uint32 kBasicBlockEntryAgentId = 0xBBEABBEA; |
| const uint32 kJumpTableCountAgentId = 0x07AB1E0C; |
| |
| // This should be incremented when incompatible changes are made to a tracing |
| // client. |
| const uint32 kBasicBlockFrequencyDataVersion = 1; |
| const uint32 kBranchFrequencyDataVersion = 1; |
| const uint32 kJumpTableFrequencyDataVersion = 1; |
| |
| const char kBasicBlockRangesStreamName[] = "/Syzygy/BasicBlockRanges"; |
| |
| // This must be kept in sync with IndexedFrequencyDataType::DataType. |
| const char* IndexedFrequencyDataTypeName[] = { |
| NULL, |
| "basic-block", |
| "branch", |
| "coverage", |
| "jumptable", |
| }; |
| COMPILE_ASSERT(arraysize(IndexedFrequencyDataTypeName) == |
| IndexedFrequencyData::MAX_DATA_TYPE, length_mismatch); |
| |
| bool IndexedFrequencyDataTypeToString(IndexedFrequencyData::DataType type, |
| std::string* result) { |
| DCHECK(result != NULL); |
| if (type > IndexedFrequencyData::INVALID_DATA_TYPE && |
| type < IndexedFrequencyData::MAX_DATA_TYPE) { |
| *result = IndexedFrequencyDataTypeName[type]; |
| return true; |
| } |
| |
| return false; |
| } |
| |
| bool ParseFrequencyDataType(const base::StringPiece& str, |
| IndexedFrequencyData::DataType* type) { |
| DCHECK(type != NULL); |
| for (int i = 1; i < IndexedFrequencyData::MAX_DATA_TYPE; ++i) { |
| if (str.compare(IndexedFrequencyDataTypeName[i]) == 0) { |
| *type = static_cast<IndexedFrequencyData::DataType>(i); |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| } // namespace common |