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