[PATCH] D62577: [ELF] Support Local Dynamic style TLSDESC for x86-64

[Fangrui Song via Phabricator via llvm-commits]

MaskRay created this revision.
MaskRay added reviewers: grimar, ruiu.
Herald added subscribers: llvm-commits, arichardson, emaste.
Herald added a reviewer: espindola.
Herald added a project: LLVM.

Local Dynamic uses _TLS_MODULE_BASE_ at tlsdesc instead of a bunch of
foo at tlsdesc for each symbol. _TLS_MODULE_BASE_ is a special symbol that
makes _TLS_MODULE_BASE_ at tpoff = 0.

Make the symbol a parameter of getTlsTpOffset to special case _TLS_MODULE_BASE_.


Repository:
  rLLD LLVM Linker

https://reviews.llvm.org/D62577

Files:
  ELF/InputSection.cpp
  ELF/Writer.cpp
  test/ELF/x86-64-tlsdesc-ld.s

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