[PATCH] D154198: [JITLink][PowerPC] Add TOC and relocations for ppc64

[Kai Luo via Phabricator via llvm-commits]

lkail created this revision.
lkail added reviewers: lhames, nemanjai, stefanp, MaskRay, uweigand, shchenz, Esme, PowerPC.
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This patch builds TOC and adds common relocations for ppc64.

To build TOC, sections belong to TOC are merged into one section, serves as GOT and small data accessing.

Relocations commonly seen in local function call, external function call and global variable reference are added.

References

- https://www.youtube.com/watch?v=i-inxFudrgI&t=1116s&ab_channel=LLVM
- https://maskray.me/blog/2023-02-26-linker-notes-on-power-isa
- https://openpowerfoundation.org/specifications/64bitelfabi/


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D154198

Files:
  llvm/include/llvm/ExecutionEngine/JITLink/TableManager.h
  llvm/include/llvm/ExecutionEngine/JITLink/ppc64.h
  llvm/lib/ExecutionEngine/JITLink/ELF_ppc64.cpp
  llvm/lib/ExecutionEngine/JITLink/ppc64.cpp
  llvm/test/ExecutionEngine/JITLink/ppc64/ELF_ppc64le_ehframe.s
  llvm/test/ExecutionEngine/JITLink/ppc64/ELF_ppc64le_relocations.s
  llvm/test/ExecutionEngine/JITLink/ppc64/ppc64le-relocs.s

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