[all-commits] [llvm/llvm-project] a17a24: [LLD][COFF] Add Support for auxiliary IAT copy (#1...

[Jacek Caban via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: a17a2451dbb0f31d31bec4c1194b893f914b1bc0
      https://github.com/llvm/llvm-project/commit/a17a2451dbb0f31d31bec4c1194b893f914b1bc0
  Author: Jacek Caban <jacek at codeweavers.com>
  Date:   2024-09-17 (Tue, 17 Sep 2024)

  Changed paths:
    M lld/COFF/DLL.cpp
    M lld/COFF/DLL.h
    M lld/COFF/Driver.cpp
    M lld/COFF/InputFiles.cpp
    M lld/COFF/InputFiles.h
    M lld/COFF/Writer.cpp
    M lld/test/COFF/Inputs/loadconfig-arm64ec.s
    M lld/test/COFF/arm64ec-import.test

  Log Message:
  -----------
  [LLD][COFF] Add Support for auxiliary IAT copy (#108610)

In addition to the auxiliary IAT, ARM64EC modules also contain a copy of
it. At runtime, the auxiliary IAT is filled with the addresses of actual
ARM64EC functions when possible. If patching is detected, the OS may use
the IAT copy to revert the auxiliary IAT, ensuring that the call checker
is used for calls to imported functions.



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