[all-commits] [llvm/llvm-project] 389e0a: [lld-macho] Support synthesizing __TEXT, __init_off...

[Daniel Bertalan via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 389e0a81a15ca688cf85a82d04aeaa68d18da161
      https://github.com/llvm/llvm-project/commit/389e0a81a15ca688cf85a82d04aeaa68d18da161
  Author: Daniel Bertalan <dani at danielbertalan.dev>
  Date:   2022-08-31 (Wed, 31 Aug 2022)

  Changed paths:
    M lld/MachO/Config.h
    M lld/MachO/Driver.cpp
    M lld/MachO/InputSection.h
    M lld/MachO/MarkLive.cpp
    M lld/MachO/Options.td
    M lld/MachO/OutputSegment.cpp
    M lld/MachO/Symbols.h
    M lld/MachO/SyntheticSections.cpp
    M lld/MachO/SyntheticSections.h
    M lld/MachO/Writer.cpp
    A lld/test/MachO/init-offsets.s
    M llvm/include/llvm/BinaryFormat/MachO.h
    M llvm/lib/MC/MCSectionMachO.cpp
    M llvm/tools/llvm-objdump/MachODump.cpp

  Log Message:
  -----------
  [lld-macho] Support synthesizing __TEXT,__init_offsets

This section stores 32-bit `__TEXT` segment offsets of initializer
functions, and is used instead of `__mod_init_func` when chained fixups
are enabled.

Storing the offsets lets us avoid emitting fixups for the initializers.

Differential Revision: https://reviews.llvm.org/D132947