[PATCH] D147364: [lld][ELF] Add thunks for relocations R_AVR_LO8_LDI_GS/R_AVR_HI8_LDI_GS

[Ben Shi via Phabricator via llvm-commits]

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Relocations R_AVR_LO8_LDI_GS/R_AVR_HI8_LDI_GS (indirect calls 
via function pointers) only covers range 128KB.

These two relocations are directly mapped if in range. But for
function addresses beyond this range, GNU-ld emits trampolines.
And this patch implements thunks for them in lld.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D147364

Files:
  lld/ELF/Arch/AVR.cpp
  lld/ELF/Thunks.cpp
  lld/test/ELF/avr-thunk.s

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