[all-commits] [llvm/llvm-project] b067aa: [ELF] Produce DT_RISCV_VARIANT_CC

[Fangrui Song via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: b067aa56cec3cd06e01eb61d850d8934d8e4130a
      https://github.com/llvm/llvm-project/commit/b067aa56cec3cd06e01eb61d850d8934d8e4130a
  Author: Fangrui Song <i at maskray.me>
  Date:   2022-12-04 (Sun, 04 Dec 2022)

  Changed paths:
    M lld/ELF/SyntheticSections.cpp
    M lld/docs/ReleaseNotes.rst
    A lld/test/ELF/riscv-variant-cc.s

  Log Message:
  -----------
  [ELF] Produce DT_RISCV_VARIANT_CC

https://github.com/riscv/riscv-elf-psabi-doc/pull/190 introduced STO_RISCV_VARIANT_CC.
The linker should:

* Copy the STO_RISCV_VARIANT_CC bit to .symtab/.dynsym: already fulfilled after
  82ed93ea0552c8f82df05859ee93e70b71c4e65d
* Produce DT_RISCV_VARIANT_CC if at least one R_RISCV_JUMP_SLOT relocation
  references a symbol with the STO_RISCV_VARIANT_CC bit. Done by this patch.

Reviewed By: kito-cheng

Differential Revision: https://reviews.llvm.org/D107951