[Lldb-commits] [PATCH] D115073: Modify DataEncoder to be able to encode data in an object owned buffer.

Greg Clayton via Phabricator via lldb-commits lldb-commits at lists.llvm.org
Mon Dec 6 11:02:06 PST 2021


clayborg added inline comments.


================
Comment at: lldb/source/Expression/DWARFExpression.cpp:465
       std::unique_ptr<DataBufferHeap> head_data_up(
           new DataBufferHeap(m_data.GetDataStart(), m_data.GetByteSize()));
 
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That would crash the program. The data here is coming from the DWARF from a mmap'ed read only file. We can't modify the data, and thus this is why we make a copy in the first place: so we can modify the DWARF data and fixup the address info.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D115073/new/

https://reviews.llvm.org/D115073



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