[all-commits] [llvm/llvm-project] 801b51: [sanitizer_common] Fix build on ppc64+musl (#120036)

[mojyack via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 801b519dfd01e21da0be17aa8f8dc2ceb0eb9e77
      https://github.com/llvm/llvm-project/commit/801b519dfd01e21da0be17aa8f8dc2ceb0eb9e77
  Author: mojyack <66899529+mojyack at users.noreply.github.com>
  Date:   2025-04-10 (Thu, 10 Apr 2025)

  Changed paths:
    M compiler-rt/lib/sanitizer_common/sanitizer_linux.cpp
    M compiler-rt/lib/sanitizer_common/sanitizer_linux_libcdep.cpp
    M compiler-rt/lib/sanitizer_common/sanitizer_platform_limits_posix.cpp
    M compiler-rt/lib/sanitizer_common/sanitizer_stoptheworld_linux_libcdep.cpp

  Log Message:
  -----------
  [sanitizer_common] Fix build on ppc64+musl (#120036)

In powerpc64-unknown-linux-musl, signal.h does not include asm/ptrace.h,
which causes "member access into incomplete type 'struct pt_regs'"
errors. Include the header explicitly to fix this.

Also in sanitizer_linux_libcdep.cpp, there is a usage of TlsPreTcbSize
which is not defined in such a platform. Guard the branch with macro.



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