[all-commits] [llvm/llvm-project] 1f67f3: [MTE] add stack frame history buffer

[Florian Mayer via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 1f67f34a5cf993f03eca8936bfb7203778c2997a
      https://github.com/llvm/llvm-project/commit/1f67f34a5cf993f03eca8936bfb7203778c2997a
  Author: Florian Mayer <fmayer at google.com>
  Date:   2024-05-29 (Wed, 29 May 2024)

  Changed paths:
    M llvm/lib/Target/AArch64/AArch64FrameLowering.cpp
    M llvm/lib/Target/AArch64/AArch64StackTagging.cpp
    A llvm/test/CodeGen/AArch64/stack-tagging-prologue.ll

  Log Message:
  -----------
  [MTE] add stack frame history buffer

this will allow us to find offending objects in a symbolization step,
like we can do with hwasan.

needs matching changes in AOSP:
https://android-review.git.corp.google.com/q/topic:%22stackhistorybuffer%22

Pull Request: https://github.com/llvm/llvm-project/pull/86356



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