[PATCH] D23254: CodeView: extract the OMF Directory Header

[Saleem Abdulrasool via llvm-commits]

compnerd created this revision.
compnerd added a reviewer: zturner.
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The DebugDirectory contains a pointer to the CodeView info structure which is a
derivative of the OMF debug directory.  The structure has evolved a bit over
time, and PDB 2.0 used a slightly different definition from PDB 7.0.  Both of
these are specific to CodeView and not COFF.  Reflect this by moving the
structure definitions into the DebugInfo/CodeView headers.  Define a generic
DebugInfo union type that can be used to pass around a reference to the
DebugInfo irrespective of the versioning.  NFC.

Repository:
  rL LLVM

https://reviews.llvm.org/D23254

Files:
  include/llvm/DebugInfo/CodeView/CVDebugRecord.h
  include/llvm/Object/COFF.h
  lib/DebugInfo/CodeView/CMakeLists.txt
  lib/DebugInfo/CodeView/CVDebugRecord.cpp
  lib/DebugInfo/Symbolize/Symbolize.cpp
  lib/Object/COFFObjectFile.cpp
  tools/llvm-readobj/COFFDumper.cpp

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