[PATCH] D16026: Add support for -export_dynamic cmdline option

[Pete Cooper via llvm-commits]

pete created this revision.
pete added reviewers: kledzik, lhames.
pete added a subscriber: llvm-commits.
pete added a project: lld.

Hi Nick, Lang

This adds support for the -export_dynamic command line option.  In ld64, this prevents global symbols from being dead stripped in executables and dylibs.

I've added tests for all the combinations of executable/dylib/relocatable to make sure we match that behaviour.

Thanks,
Pete

http://reviews.llvm.org/D16026

Files:
  include/lld/ReaderWriter/MachOLinkingContext.h
  lib/Driver/DarwinLdDriver.cpp
  lib/Driver/DarwinLdOptions.td
  lib/ReaderWriter/MachO/MachOLinkingContext.cpp
  test/mach-o/dead-strip-globals.yaml
  unittests/DriverTests/DarwinLdDriverTest.cpp

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