[all-commits] [llvm/llvm-project] 7b5a44: [hwasan] Add hwasan-all-globals option (#149621)

[shuffle2 via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 7b5a44c6056888b4a2b59c834bafac8304f6b538
      https://github.com/llvm/llvm-project/commit/7b5a44c6056888b4a2b59c834bafac8304f6b538
  Author: shuffle2 <godisgovernment at gmail.com>
  Date:   2025-07-31 (Thu, 31 Jul 2025)

  Changed paths:
    M llvm/lib/Transforms/Instrumentation/HWAddressSanitizer.cpp
    M llvm/test/Instrumentation/HWAddressSanitizer/X86/globals.ll
    M llvm/test/Instrumentation/HWAddressSanitizer/globals.ll

  Log Message:
  -----------
  [hwasan] Add hwasan-all-globals option (#149621)

hwasan-globals does not instrument globals with custom sections, because
existing code may use `__start_`/`__stop_` symbols to iterate over
globals in such a way which will cause hwasan assertions.

Introduce new hwasan-all-globals option, which instruments all
user-defined globals (but not those globals which are generated by the
hwasan instrumentation itself), including those with custom sections.

fixes #142442



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