10b57cec5SDimitry Andric //===- DebugFrameDataSubsection.cpp -----------------------------*- C++ -*-===// 20b57cec5SDimitry Andric // 30b57cec5SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 40b57cec5SDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 50b57cec5SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 60b57cec5SDimitry Andric // 70b57cec5SDimitry Andric //===----------------------------------------------------------------------===// 80b57cec5SDimitry Andric 90b57cec5SDimitry Andric #include "llvm/DebugInfo/CodeView/DebugFrameDataSubsection.h" 100b57cec5SDimitry Andric #include "llvm/DebugInfo/CodeView/CodeViewError.h" 11*81ad6265SDimitry Andric #include "llvm/Support/BinaryStreamReader.h" 12*81ad6265SDimitry Andric #include "llvm/Support/BinaryStreamWriter.h" 130b57cec5SDimitry Andric 140b57cec5SDimitry Andric using namespace llvm; 150b57cec5SDimitry Andric using namespace llvm::codeview; 160b57cec5SDimitry Andric 170b57cec5SDimitry Andric Error DebugFrameDataSubsectionRef::initialize(BinaryStreamReader Reader) { 180b57cec5SDimitry Andric if (Reader.bytesRemaining() % sizeof(FrameData) != 0) { 190b57cec5SDimitry Andric if (auto EC = Reader.readObject(RelocPtr)) 200b57cec5SDimitry Andric return EC; 210b57cec5SDimitry Andric } 220b57cec5SDimitry Andric 230b57cec5SDimitry Andric if (Reader.bytesRemaining() % sizeof(FrameData) != 0) 240b57cec5SDimitry Andric return make_error<CodeViewError>(cv_error_code::corrupt_record, 250b57cec5SDimitry Andric "Invalid frame data record format!"); 260b57cec5SDimitry Andric 270b57cec5SDimitry Andric uint32_t Count = Reader.bytesRemaining() / sizeof(FrameData); 280b57cec5SDimitry Andric if (auto EC = Reader.readArray(Frames, Count)) 290b57cec5SDimitry Andric return EC; 300b57cec5SDimitry Andric return Error::success(); 310b57cec5SDimitry Andric } 320b57cec5SDimitry Andric 330b57cec5SDimitry Andric Error DebugFrameDataSubsectionRef::initialize(BinaryStreamRef Section) { 340b57cec5SDimitry Andric BinaryStreamReader Reader(Section); 350b57cec5SDimitry Andric return initialize(Reader); 360b57cec5SDimitry Andric } 370b57cec5SDimitry Andric 380b57cec5SDimitry Andric uint32_t DebugFrameDataSubsection::calculateSerializedSize() const { 390b57cec5SDimitry Andric uint32_t Size = sizeof(FrameData) * Frames.size(); 400b57cec5SDimitry Andric if (IncludeRelocPtr) 410b57cec5SDimitry Andric Size += sizeof(uint32_t); 420b57cec5SDimitry Andric return Size; 430b57cec5SDimitry Andric } 440b57cec5SDimitry Andric 450b57cec5SDimitry Andric Error DebugFrameDataSubsection::commit(BinaryStreamWriter &Writer) const { 460b57cec5SDimitry Andric if (IncludeRelocPtr) { 470b57cec5SDimitry Andric if (auto EC = Writer.writeInteger<uint32_t>(0)) 480b57cec5SDimitry Andric return EC; 490b57cec5SDimitry Andric } 500b57cec5SDimitry Andric 510b57cec5SDimitry Andric std::vector<FrameData> SortedFrames(Frames.begin(), Frames.end()); 52e8d8bef9SDimitry Andric llvm::sort(SortedFrames, [](const FrameData &LHS, const FrameData &RHS) { 530b57cec5SDimitry Andric return LHS.RvaStart < RHS.RvaStart; 540b57cec5SDimitry Andric }); 550b57cec5SDimitry Andric if (auto EC = Writer.writeArray(makeArrayRef(SortedFrames))) 560b57cec5SDimitry Andric return EC; 570b57cec5SDimitry Andric return Error::success(); 580b57cec5SDimitry Andric } 590b57cec5SDimitry Andric 600b57cec5SDimitry Andric void DebugFrameDataSubsection::addFrameData(const FrameData &Frame) { 610b57cec5SDimitry Andric Frames.push_back(Frame); 620b57cec5SDimitry Andric } 63