[PATCH] D144174: [Support][RISCV] Disable use of backtrace() for RISC-V backtraces

[Kito Cheng via Phabricator via llvm-commits]

kito-cheng added a comment.



In D144174#4134399 <https://reviews.llvm.org/D144174#4134399>, @arichardson wrote:

> I am almost certain `backtrace()` does work on FreeBSD, so there should be a `__linux__` check as well.
> The comment says it only exists on glibc systems, but on FreeBSD libexecinfo provides this functionality.

Maybe it's the reason why FreeBSD work fine:

  ToolChain::UnwindTableLevel
  FreeBSD::getDefaultUnwindTableLevel(const ArgList &Args) const {
    return UnwindTableLevel::Asynchronous;
  }

https://github.com/llvm/llvm-project/blob/main/clang/lib/Driver/ToolChains/FreeBSD.cpp#L489


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D144174/new/

https://reviews.llvm.org/D144174