Function interpreterStackTrace

lib/system/stacktrace.cpp:77–106

}

Span<const uint32_t>
interpreterStackTrace(const Runtime::StackManager &StackMgr,
                      Span<uint32_t> Buffer) noexcept {
  size_t Index = 0;
  if (auto Module = StackMgr.getModule()) {
    const auto FuncInsts = Module->getFunctionInstances();
    std::map<AST::InstrView::iterator, int64_t> Funcs;
    for (size_t I = 0; I < FuncInsts.size(); ++I) {
      const auto &Func = FuncInsts[I];
      if (Func && Func->isWasmFunction()) {
        const auto &Instrs = Func->getInstrs();
        Funcs.emplace(Instrs.end(), INT64_C(-1));
        Funcs.emplace(Instrs.begin(), I);
      }
    }
    for (const auto &Frame : StackMgr.getFramesSpan()) {
      auto Entry = Frame.From;
      auto Iter = Funcs.lower_bound(Entry);
      if ((Iter == Funcs.end() || Iter->first > Entry) &&
          Iter != Funcs.begin()) {
        --Iter;
      }
      if (Iter != Funcs.end() && Iter->first < Entry &&
          Iter->second >= INT64_C(0) && Index < Buffer.size()) {
        Buffer[Index++] = static_cast<uint32_t>(Iter->second);
      }
    }
  }
  return Buffer.first(Index);
}

Span<const uint32_t> compiledStackTrace(const Runtime::StackManager &StackMgr,
                                        Span<uint32_t> Buffer) noexcept {