[PATCH] D41846: [DWARFv5] MC support for MD5 checksum

[Paul Robinson via Phabricator via llvm-commits]

probinson created this revision.
probinson added reviewers: dblaikie, aprantl, rnk.
probinson added a project: debug-info.
Herald added subscribers: JDevlieghere, hiraditya, emaste.

Extend .file directive syntax to allow specifying an MD5 checksum for
the source file.  Emit the checksums into DWARF v5 line tables.

We'll pass checksums from IR to AsmPrinter in a follow-up, and
after that get Clang to provide them in IR.


https://reviews.llvm.org/D41846

Files:
  llvm/include/llvm/MC/MCContext.h
  llvm/include/llvm/MC/MCDwarf.h
  llvm/include/llvm/MC/MCStreamer.h
  llvm/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp
  llvm/lib/CodeGen/AsmPrinter/DwarfCompileUnit.h
  llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
  llvm/lib/CodeGen/AsmPrinter/DwarfUnit.cpp
  llvm/lib/CodeGen/AsmPrinter/DwarfUnit.h
  llvm/lib/MC/MCAsmStreamer.cpp
  llvm/lib/MC/MCContext.cpp
  llvm/lib/MC/MCDwarf.cpp
  llvm/lib/MC/MCParser/AsmParser.cpp
  llvm/lib/MC/MCStreamer.cpp
  llvm/test/MC/ELF/debug-md5.s

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