[all-commits] [llvm/llvm-project] 77c230: [GOFF] Add writing of section symbols

[Kai Nacke via All-commits]

  Branch: refs/heads/users/redstar/goffwriter-3
  Home:   https://github.com/llvm/llvm-project
  Commit: 77c230f82a61769714bee98b2e848820850d9cb5
      https://github.com/llvm/llvm-project/commit/77c230f82a61769714bee98b2e848820850d9cb5
  Author: Kai Nacke <kai.peter.nacke at ibm.com>
  Date:   2025-03-31 (Mon, 31 Mar 2025)

  Changed paths:
    M llvm/include/llvm/BinaryFormat/GOFF.h
    A llvm/include/llvm/MC/MCGOFFSymbolMapper.h
    M llvm/lib/MC/CMakeLists.txt
    M llvm/lib/MC/GOFFObjectWriter.cpp
    A llvm/lib/MC/MCGOFFSymbolMapper.cpp
    M llvm/lib/MC/MCObjectFileInfo.cpp
    M llvm/test/CodeGen/SystemZ/zos-ppa2.ll
    A llvm/test/MC/GOFF/section.ll

  Log Message:
  -----------
  [GOFF] Add writing of section symbols

The GOFF format uses symbol definitions to represent sections and
symbols. Introducing a section can require up to 3 symbol definitions.
However, most of these details are not needed by the AsmPrinter.
To mapped from a section (a MCSectionGOFF) to the symbol definitions,
a new class called MCGOFFSymbolMapper is used. The same information
can also be used by the assembly output, which justifies this
centralized approach. Writing the mapped symbols is then straight
forward.



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