1*0b57cec5SDimitry Andric //===- DebugFrameDataSubsection.cpp -----------------------------*- C++ -*-===// 2*0b57cec5SDimitry Andric // 3*0b57cec5SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4*0b57cec5SDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 5*0b57cec5SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6*0b57cec5SDimitry Andric // 7*0b57cec5SDimitry Andric //===----------------------------------------------------------------------===// 8*0b57cec5SDimitry Andric 9*0b57cec5SDimitry Andric #include "llvm/DebugInfo/CodeView/DebugFrameDataSubsection.h" 10*0b57cec5SDimitry Andric #include "llvm/DebugInfo/CodeView/CodeViewError.h" 11*0b57cec5SDimitry Andric 12*0b57cec5SDimitry Andric using namespace llvm; 13*0b57cec5SDimitry Andric using namespace llvm::codeview; 14*0b57cec5SDimitry Andric 15*0b57cec5SDimitry Andric Error DebugFrameDataSubsectionRef::initialize(BinaryStreamReader Reader) { 16*0b57cec5SDimitry Andric if (Reader.bytesRemaining() % sizeof(FrameData) != 0) { 17*0b57cec5SDimitry Andric if (auto EC = Reader.readObject(RelocPtr)) 18*0b57cec5SDimitry Andric return EC; 19*0b57cec5SDimitry Andric } 20*0b57cec5SDimitry Andric 21*0b57cec5SDimitry Andric if (Reader.bytesRemaining() % sizeof(FrameData) != 0) 22*0b57cec5SDimitry Andric return make_error<CodeViewError>(cv_error_code::corrupt_record, 23*0b57cec5SDimitry Andric "Invalid frame data record format!"); 24*0b57cec5SDimitry Andric 25*0b57cec5SDimitry Andric uint32_t Count = Reader.bytesRemaining() / sizeof(FrameData); 26*0b57cec5SDimitry Andric if (auto EC = Reader.readArray(Frames, Count)) 27*0b57cec5SDimitry Andric return EC; 28*0b57cec5SDimitry Andric return Error::success(); 29*0b57cec5SDimitry Andric } 30*0b57cec5SDimitry Andric 31*0b57cec5SDimitry Andric Error DebugFrameDataSubsectionRef::initialize(BinaryStreamRef Section) { 32*0b57cec5SDimitry Andric BinaryStreamReader Reader(Section); 33*0b57cec5SDimitry Andric return initialize(Reader); 34*0b57cec5SDimitry Andric } 35*0b57cec5SDimitry Andric 36*0b57cec5SDimitry Andric uint32_t DebugFrameDataSubsection::calculateSerializedSize() const { 37*0b57cec5SDimitry Andric uint32_t Size = sizeof(FrameData) * Frames.size(); 38*0b57cec5SDimitry Andric if (IncludeRelocPtr) 39*0b57cec5SDimitry Andric Size += sizeof(uint32_t); 40*0b57cec5SDimitry Andric return Size; 41*0b57cec5SDimitry Andric } 42*0b57cec5SDimitry Andric 43*0b57cec5SDimitry Andric Error DebugFrameDataSubsection::commit(BinaryStreamWriter &Writer) const { 44*0b57cec5SDimitry Andric if (IncludeRelocPtr) { 45*0b57cec5SDimitry Andric if (auto EC = Writer.writeInteger<uint32_t>(0)) 46*0b57cec5SDimitry Andric return EC; 47*0b57cec5SDimitry Andric } 48*0b57cec5SDimitry Andric 49*0b57cec5SDimitry Andric std::vector<FrameData> SortedFrames(Frames.begin(), Frames.end()); 50*0b57cec5SDimitry Andric std::sort(SortedFrames.begin(), SortedFrames.end(), 51*0b57cec5SDimitry Andric [](const FrameData &LHS, const FrameData &RHS) { 52*0b57cec5SDimitry Andric return LHS.RvaStart < RHS.RvaStart; 53*0b57cec5SDimitry Andric }); 54*0b57cec5SDimitry Andric if (auto EC = Writer.writeArray(makeArrayRef(SortedFrames))) 55*0b57cec5SDimitry Andric return EC; 56*0b57cec5SDimitry Andric return Error::success(); 57*0b57cec5SDimitry Andric } 58*0b57cec5SDimitry Andric 59*0b57cec5SDimitry Andric void DebugFrameDataSubsection::addFrameData(const FrameData &Frame) { 60*0b57cec5SDimitry Andric Frames.push_back(Frame); 61*0b57cec5SDimitry Andric } 62