[PATCH] D109293: [JITLink][WIP] Add initial native TLS support to ELFNix platform

[luxufan via Phabricator via llvm-commits]

StephenFan created this revision.
StephenFan added a reviewer: lhames.
Herald added subscribers: pengfei, hiraditya, mgorny.
StephenFan requested review of this revision.
Herald added projects: Sanitizers, LLVM.
Herald added subscribers: llvm-commits, Sanitizers.

This patch use the same way as the https://reviews.llvm.org/rGfe1fa43f16beac1506a2e73a9f7b3c81179744eb to handle the thread local variable.

It allocates 2 * pointerSize space in GOT to represent the thread key and data address. Instead of using the _tls_get_addr function, I customed a function __orc_rt_elfnix_tls_get_addr to get the address of thread local varible. Currently, this is a wip patch, only one TLS relocation R_X86_64_TLSGD is supported and I need to add the corresponding test cases.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D109293

Files:
  compiler-rt/lib/orc/CMakeLists.txt
  compiler-rt/lib/orc/elfnix_platform.cpp
  compiler-rt/lib/orc/elfnix_tls.x86-64.S
  llvm/include/llvm/ExecutionEngine/JITLink/ELF_x86_64.h
  llvm/include/llvm/ExecutionEngine/JITLink/x86_64.h
  llvm/include/llvm/ExecutionEngine/Orc/ELFNixPlatform.h
  llvm/lib/ExecutionEngine/JITLink/ELFLinkGraphBuilder.h
  llvm/lib/ExecutionEngine/JITLink/ELF_x86_64.cpp
  llvm/lib/ExecutionEngine/JITLink/MachO_arm64.cpp
  llvm/lib/ExecutionEngine/JITLink/MachO_x86_64.cpp
  llvm/lib/ExecutionEngine/JITLink/PerGraphGOTAndPLTStubsBuilder.h
  llvm/lib/ExecutionEngine/Orc/ELFNixPlatform.cpp
  llvm/lib/ExecutionEngine/RuntimeDyld/JITSymbol.cpp

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