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