DebugInfo/MSF/MappedBlockStream.cpp

45 MappedBlockStream::MappedBlockStream(uint32_t BlockSize,
49     : BlockSize(BlockSize), StreamLayout(Layout), MsfData(MsfData),
53     uint32_t BlockSize, const MSFStreamLayout &Layout, BinaryStreamRef MsfData,
56       BlockSize, Layout, MsfData, Allocator);
67       Layout.SB->BlockSize, SL, MsfData, Allocator);
77   return createStream(Layout.SB->BlockSize, SL, MsfData, Allocator);
85   return createStream(Layout.SB->BlockSize, SL, MsfData, Allocator);
172   uint32_t First = Offset / BlockSize;
181   uint32_t OffsetInFirstBlock = Offset % BlockSize;
182   uint32_t BytesFromFirstBlock = BlockSize - OffsetInFirstBlock;
184   uint32_t ByteSpan = BytesFromFirstBlock + (BlockSpan - 1) * BlockSize;
187   uint32_t MsfOffset = blockToOffset(StreamLayout.Blocks[First], BlockSize);
188   if (auto EC = MsfData.readBytes(MsfOffset, BlockSize, BlockData))
209   uint32_t BlockNum = Offset / BlockSize;
210   uint32_t OffsetInBlock = Offset % BlockSize;
211   uint32_t BytesFromFirstBlock = std::min(Size, BlockSize - OffsetInBlock);
213       alignTo(Size - BytesFromFirstBlock, BlockSize) / BlockSize;
229   uint32_t MsfOffset = blockToOffset(FirstBlockAddr, BlockSize);
230   if (auto EC = MsfData.readBytes(MsfOffset, BlockSize, BlockData)) {
241   uint32_t BlockNum = Offset / BlockSize;
242   uint32_t OffsetInBlock = Offset % BlockSize;
255     uint32_t Offset = blockToOffset(StreamBlockAddr, BlockSize);
256     if (auto EC = MsfData.readBytes(Offset, BlockSize, BlockData))
260     uint32_t BytesInChunk = std::min(BytesLeft, BlockSize - OffsetInBlock);
311     uint32_t BlockSize, const MSFStreamLayout &Layout,
313     : ReadInterface(BlockSize, Layout, MsfData, Allocator),
317 WritableMappedBlockStream::createStream(uint32_t BlockSize,
322       BlockSize, Layout, MsfData, Allocator);
334   return createStream(Layout.SB->BlockSize, SL, MsfData, Allocator);
344   return createStream(Layout.SB->BlockSize, SL, MsfData, Allocator);
363       createStream(Layout.SB->BlockSize, FullLayout, MsfData, Allocator);
366   std::vector<uint8_t> InitData(Layout.SB->BlockSize, 0xFF);
370   return createStream(Layout.SB->BlockSize, MinLayout, MsfData, Allocator);