[PATCH] D132607: [OffloadPackager] Add ability to extract mages from other file types

[Joseph Huber via Phabricator via cfe-commits]

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A previous patch added support for extracting images from offloading
binaries. Users may wish to extract these files from the file types they
are most commonly emebedded in, such as an ELF or bitcode. This can be
difficult for the user to do manually, as these could be stored in
different section names potentially. This patch addsp support for
extracting these file types.

Note, this patch duplicated a lot of code from the `ClangLinkerWrapper`
that does a nearly identical extraction. Should these be merged into a
public interface via `Object/OffloadBinary.h`?


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D132607

Files:
  clang/test/Driver/offload-packager.c
  clang/tools/clang-offload-packager/CMakeLists.txt
  clang/tools/clang-offload-packager/ClangOffloadPackager.cpp

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