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Differential D109923 Diff 373100 llvm/include/llvm/DebugInfo/MSF/MappedBlockStream.h

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llvm/include/llvm/DebugInfo/MSF/MappedBlockStream.h

Show First 20 Lines • Show All 52 Lines • ▼ Show 20 Linespublic:
static std::unique_ptr<MappedBlockStream> static std::unique_ptr<MappedBlockStream>
createDirectoryStream(const MSFLayout &Layout, BinaryStreamRef MsfData, createDirectoryStream(const MSFLayout &Layout, BinaryStreamRef MsfData,
BumpPtrAllocator &Allocator); BumpPtrAllocator &Allocator);
support::endianness getEndian() const override { support::endianness getEndian() const override {
return support::little; return support::little;
} }
Error readBytes(uint32_t Offset, uint32_t Size, Error readBytes(uint64_t Offset, uint64_t Size,
ArrayRef<uint8_t> &Buffer) override; ArrayRef<uint8_t> &Buffer) override;
Error readLongestContiguousChunk(uint32_t Offset, Error readLongestContiguousChunk(uint64_t Offset,
ArrayRef<uint8_t> &Buffer) override; ArrayRef<uint8_t> &Buffer) override;
uint32_t getLength() override; uint64_t getLength() override;
BumpPtrAllocator &getAllocator() { return Allocator; } BumpPtrAllocator &getAllocator() { return Allocator; }
void invalidateCache(); void invalidateCache();
uint32_t getBlockSize() const { return BlockSize; } uint32_t getBlockSize() const { return BlockSize; }
uint32_t getNumBlocks() const { return StreamLayout.Blocks.size(); } uint32_t getNumBlocks() const { return StreamLayout.Blocks.size(); }
uint32_t getStreamLength() const { return StreamLayout.Length; } uint32_t getStreamLength() const { return StreamLayout.Length; }
protected: protected:
MappedBlockStream(uint32_t BlockSize, const MSFStreamLayout &StreamLayout, MappedBlockStream(uint32_t BlockSize, const MSFStreamLayout &StreamLayout,
BinaryStreamRef MsfData, BumpPtrAllocator &Allocator); BinaryStreamRef MsfData, BumpPtrAllocator &Allocator);
private: private:
const MSFStreamLayout &getStreamLayout() const { return StreamLayout; } const MSFStreamLayout &getStreamLayout() const { return StreamLayout; }
void fixCacheAfterWrite(uint32_t Offset, ArrayRef<uint8_t> Data) const; void fixCacheAfterWrite(uint64_t Offset, ArrayRef<uint8_t> Data) const;
Error readBytes(uint32_t Offset, MutableArrayRef<uint8_t> Buffer); Error readBytes(uint64_t Offset, MutableArrayRef<uint8_t> Buffer);
bool tryReadContiguously(uint32_t Offset, uint32_t Size, bool tryReadContiguously(uint64_t Offset, uint64_t Size,
ArrayRef<uint8_t> &Buffer); ArrayRef<uint8_t> &Buffer);
const uint32_t BlockSize; const uint32_t BlockSize;
const MSFStreamLayout StreamLayout; const MSFStreamLayout StreamLayout;
BinaryStreamRef MsfData; BinaryStreamRef MsfData;
using CacheEntry = MutableArrayRef<uint8_t>; using CacheEntry = MutableArrayRef<uint8_t>;
Show All 26 Linespublic:
static std::unique_ptr<WritableMappedBlockStream> static std::unique_ptr<WritableMappedBlockStream>
createFpmStream(const MSFLayout &Layout, WritableBinaryStreamRef MsfData, createFpmStream(const MSFLayout &Layout, WritableBinaryStreamRef MsfData,
BumpPtrAllocator &Allocator, bool AltFpm = false); BumpPtrAllocator &Allocator, bool AltFpm = false);
support::endianness getEndian() const override { support::endianness getEndian() const override {
return support::little; return support::little;
} }
Error readBytes(uint32_t Offset, uint32_t Size, Error readBytes(uint64_t Offset, uint64_t Size,
ArrayRef<uint8_t> &Buffer) override; ArrayRef<uint8_t> &Buffer) override;
Error readLongestContiguousChunk(uint32_t Offset, Error readLongestContiguousChunk(uint64_t Offset,
ArrayRef<uint8_t> &Buffer) override; ArrayRef<uint8_t> &Buffer) override;
uint32_t getLength() override; uint64_t getLength() override;
Error writeBytes(uint32_t Offset, ArrayRef<uint8_t> Buffer) override; Error writeBytes(uint64_t Offset, ArrayRef<uint8_t> Buffer) override;
Error commit() override; Error commit() override;
const MSFStreamLayout &getStreamLayout() const { const MSFStreamLayout &getStreamLayout() const {
return ReadInterface.getStreamLayout(); return ReadInterface.getStreamLayout();
} }
uint32_t getBlockSize() const { return ReadInterface.getBlockSize(); } uint32_t getBlockSize() const { return ReadInterface.getBlockSize(); }
Show All 18 Lines