//===- DebugFrameDataSubsection.cpp -----------------------------*- C++ -*-===// // // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. // See https://llvm.org/LICENSE.txt for license information. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception // //===----------------------------------------------------------------------===// #include "llvm/DebugInfo/CodeView/DebugFrameDataSubsection.h" #include "llvm/DebugInfo/CodeView/CodeViewError.h" using namespace llvm; using namespace llvm::codeview; Error DebugFrameDataSubsectionRef::initialize(BinaryStreamReader Reader) { if (Reader.bytesRemaining() % sizeof(FrameData) != 0) { if (auto EC = Reader.readObject(RelocPtr)) return EC; } if (Reader.bytesRemaining() % sizeof(FrameData) != 0) return make_error<CodeViewError>(cv_error_code::corrupt_record, "Invalid frame data record format!"); uint32_t Count = Reader.bytesRemaining() / sizeof(FrameData); if (auto EC = Reader.readArray(Frames, Count)) return EC; return Error::success(); } Error DebugFrameDataSubsectionRef::initialize(BinaryStreamRef Section) { BinaryStreamReader Reader(Section); return initialize(Reader); } uint32_t DebugFrameDataSubsection::calculateSerializedSize() const { uint32_t Size = sizeof(FrameData) * Frames.size(); if (IncludeRelocPtr) Size += sizeof(uint32_t); return Size; } Error DebugFrameDataSubsection::commit(BinaryStreamWriter &Writer) const { if (IncludeRelocPtr) { if (auto EC = Writer.writeInteger<uint32_t>(0)) return EC; } std::vector<FrameData> SortedFrames(Frames.begin(), Frames.end()); std::sort(SortedFrames.begin(), SortedFrames.end(), [](const FrameData &LHS, const FrameData &RHS) { return LHS.RvaStart < RHS.RvaStart; }); if (auto EC = Writer.writeArray(makeArrayRef(SortedFrames))) return EC; return Error::success(); } void DebugFrameDataSubsection::addFrameData(const FrameData &Frame) { Frames.push_back(Frame); }