[PATCH] D141785: [Clang][LoongArch] Implement patchable function entry

[WÁNG Xuěruì via Phabricator via cfe-commits]

xen0n created this revision.
xen0n added reviewers: SixWeining, wangleiat, gonglingqin, MaskRay, xry111.
Herald added subscribers: luismarques, s.egerton, PkmX, simoncook, hiraditya, arichardson.
Herald added a reviewer: aaron.ballman.
Herald added a project: All.
xen0n requested review of this revision.
Herald added subscribers: llvm-commits, cfe-commits, pcwang-thead.
Herald added projects: clang, LLVM.

Similar to D98610 <https://reviews.llvm.org/D98610> for RISCV.

This is going to be required by the upcoming Linux/LoongArch
[[ support for dynamic ftrace | https://git.kernel.org/linus/4733f09d88074 ]].


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D141785

Files:
  clang/include/clang/Basic/Attr.td
  clang/include/clang/Basic/AttrDocs.td
  clang/lib/Driver/ToolChains/Clang.cpp
  clang/test/Driver/fpatchable-function-entry.c
  clang/test/Sema/patchable-function-entry-attr.cpp
  llvm/lib/Target/LoongArch/LoongArchInstrInfo.cpp
  llvm/lib/Target/LoongArch/LoongArchInstrInfo.h
  llvm/lib/Target/LoongArch/LoongArchMCInstLower.cpp
  llvm/test/CodeGen/LoongArch/patchable-function-entry.ll

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