[all-commits] [llvm/llvm-project] 067364: [hwasan] Replace "-hwasan-with-ifunc" and "-hwasan...

[Vitaly Buka via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 0673642cab6b6a9eec20d4ea4ee6bc46db47e04c
      https://github.com/llvm/llvm-project/commit/0673642cab6b6a9eec20d4ea4ee6bc46db47e04c
  Author: Vitaly Buka <vitalybuka at google.com>
  Date:   2024-09-23 (Mon, 23 Sep 2024)

  Changed paths:
    M llvm/lib/Transforms/Instrumentation/HWAddressSanitizer.cpp
    M llvm/test/Instrumentation/HWAddressSanitizer/RISCV/alloca.ll
    M llvm/test/Instrumentation/HWAddressSanitizer/RISCV/basic.ll
    M llvm/test/Instrumentation/HWAddressSanitizer/alloca.ll
    M llvm/test/Instrumentation/HWAddressSanitizer/basic.ll
    M llvm/test/Instrumentation/HWAddressSanitizer/prologue.ll

  Log Message:
  -----------
  [hwasan] Replace "-hwasan-with-ifunc" and "-hwasan-with-tls" options (#109619)

Relationship between "-hwasan-mapping-offset",
"-hwasan-with-ifunc", and "-hwasan-with-tls" can
be to hard to understand.

Now we will have "-hwasan-mapping-offset",
presense of which will imply fixed shadow.

If "-hwasan-mapping-offset-dynamic" will set one
of 3 available dynamic shadows.

As-is "-hwasan-mapping-offset" has precedence over
"-hwasan-mapping-offset-dynamic". In follow up
patches we need to use the one with last
occurrence.



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