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" 110b57cec5SDimitry Andric 120b57cec5SDimitry Andric using namespace llvm; 130b57cec5SDimitry Andric using namespace llvm::codeview; 140b57cec5SDimitry Andric 150b57cec5SDimitry Andric Error DebugFrameDataSubsectionRef::initialize(BinaryStreamReader Reader) { 160b57cec5SDimitry Andric if (Reader.bytesRemaining() % sizeof(FrameData) != 0) { 170b57cec5SDimitry Andric if (auto EC = Reader.readObject(RelocPtr)) 180b57cec5SDimitry Andric return EC; 190b57cec5SDimitry Andric } 200b57cec5SDimitry Andric 210b57cec5SDimitry Andric if (Reader.bytesRemaining() % sizeof(FrameData) != 0) 220b57cec5SDimitry Andric return make_error<CodeViewError>(cv_error_code::corrupt_record, 230b57cec5SDimitry Andric "Invalid frame data record format!"); 240b57cec5SDimitry Andric 250b57cec5SDimitry Andric uint32_t Count = Reader.bytesRemaining() / sizeof(FrameData); 260b57cec5SDimitry Andric if (auto EC = Reader.readArray(Frames, Count)) 270b57cec5SDimitry Andric return EC; 280b57cec5SDimitry Andric return Error::success(); 290b57cec5SDimitry Andric } 300b57cec5SDimitry Andric 310b57cec5SDimitry Andric Error DebugFrameDataSubsectionRef::initialize(BinaryStreamRef Section) { 320b57cec5SDimitry Andric BinaryStreamReader Reader(Section); 330b57cec5SDimitry Andric return initialize(Reader); 340b57cec5SDimitry Andric } 350b57cec5SDimitry Andric 360b57cec5SDimitry Andric uint32_t DebugFrameDataSubsection::calculateSerializedSize() const { 370b57cec5SDimitry Andric uint32_t Size = sizeof(FrameData) * Frames.size(); 380b57cec5SDimitry Andric if (IncludeRelocPtr) 390b57cec5SDimitry Andric Size += sizeof(uint32_t); 400b57cec5SDimitry Andric return Size; 410b57cec5SDimitry Andric } 420b57cec5SDimitry Andric 430b57cec5SDimitry Andric Error DebugFrameDataSubsection::commit(BinaryStreamWriter &Writer) const { 440b57cec5SDimitry Andric if (IncludeRelocPtr) { 450b57cec5SDimitry Andric if (auto EC = Writer.writeInteger<uint32_t>(0)) 460b57cec5SDimitry Andric return EC; 470b57cec5SDimitry Andric } 480b57cec5SDimitry Andric 490b57cec5SDimitry Andric std::vector<FrameData> SortedFrames(Frames.begin(), Frames.end()); 50*e8d8bef9SDimitry Andric llvm::sort(SortedFrames, [](const FrameData &LHS, const FrameData &RHS) { 510b57cec5SDimitry Andric return LHS.RvaStart < RHS.RvaStart; 520b57cec5SDimitry Andric }); 530b57cec5SDimitry Andric if (auto EC = Writer.writeArray(makeArrayRef(SortedFrames))) 540b57cec5SDimitry Andric return EC; 550b57cec5SDimitry Andric return Error::success(); 560b57cec5SDimitry Andric } 570b57cec5SDimitry Andric 580b57cec5SDimitry Andric void DebugFrameDataSubsection::addFrameData(const FrameData &Frame) { 590b57cec5SDimitry Andric Frames.push_back(Frame); 600b57cec5SDimitry Andric } 61