Read TimelineMessageDirectoryPacket from given IPacketBuffer and offset
| 30 | |
| 31 | // Read TimelineMessageDirectoryPacket from given IPacketBuffer and offset |
| 32 | SwTraceMessage ReadSwTraceMessage(const unsigned char* packetBuffer, |
| 33 | unsigned int& offset, |
| 34 | const unsigned int& packetLength) |
| 35 | { |
| 36 | if (packetBuffer == nullptr) |
| 37 | { |
| 38 | throw ProfilingException("SwTrace.cpp: Attempting to read a null buffer"); |
| 39 | } |
| 40 | |
| 41 | unsigned int uint32_t_size = sizeof(uint32_t); |
| 42 | |
| 43 | SwTraceMessage swTraceMessage; |
| 44 | |
| 45 | // Read the decl_id |
| 46 | uint32_t readDeclId = ReadUint32(packetBuffer, offset); |
| 47 | swTraceMessage.m_Id = readDeclId; |
| 48 | |
| 49 | // SWTrace "namestring" format |
| 50 | // length of the string (first 4 bytes) + string + null terminator |
| 51 | |
| 52 | // Check the decl_name |
| 53 | offset += uint32_t_size; |
| 54 | uint32_t swTraceDeclNameLength = ReadUint32(packetBuffer, offset); |
| 55 | |
| 56 | if (swTraceDeclNameLength == 0 || swTraceDeclNameLength > packetLength) |
| 57 | { |
| 58 | throw arm::pipe::ProfilingException("Error swTraceDeclNameLength is an invalid size", LOCATION()); |
| 59 | } |
| 60 | |
| 61 | offset += uint32_t_size; |
| 62 | std::vector<unsigned char> swTraceStringBuffer(swTraceDeclNameLength - 1); |
| 63 | std::memcpy(swTraceStringBuffer.data(), |
| 64 | packetBuffer + offset, swTraceStringBuffer.size()); |
| 65 | |
| 66 | swTraceMessage.m_Name.assign(swTraceStringBuffer.begin(), swTraceStringBuffer.end()); // name |
| 67 | |
| 68 | // Check the ui_name |
| 69 | offset += CalculateSizeOfPaddedSwString(swTraceMessage.m_Name); |
| 70 | uint32_t swTraceUINameLength = ReadUint32(packetBuffer, offset); |
| 71 | |
| 72 | if (swTraceUINameLength == 0 || swTraceUINameLength > packetLength) |
| 73 | { |
| 74 | throw arm::pipe::ProfilingException("Error swTraceUINameLength is an invalid size", LOCATION()); |
| 75 | } |
| 76 | |
| 77 | offset += uint32_t_size; |
| 78 | swTraceStringBuffer.resize(swTraceUINameLength - 1); |
| 79 | std::memcpy(swTraceStringBuffer.data(), |
| 80 | packetBuffer + offset, swTraceStringBuffer.size()); |
| 81 | |
| 82 | swTraceMessage.m_UiName.assign(swTraceStringBuffer.begin(), swTraceStringBuffer.end()); // ui_name |
| 83 | |
| 84 | // Check arg_types |
| 85 | offset += CalculateSizeOfPaddedSwString(swTraceMessage.m_UiName); |
| 86 | uint32_t swTraceArgTypesLength = ReadUint32(packetBuffer, offset); |
| 87 | |
| 88 | if (swTraceArgTypesLength == 0 || swTraceArgTypesLength > packetLength) |
| 89 | { |