// Copyright Antony Polukhin, 2016-2021. // // Distributed under the Boost Software License, Version 1.0. (See // accompanying file LICENSE_1_0.txt or copy at // http://www.boost.org/LICENSE_1_0.txt) #ifndef BOOST_STACKTRACE_DETAIL_FRAME_UNWIND_IPP #define BOOST_STACKTRACE_DETAIL_FRAME_UNWIND_IPP #include #ifdef BOOST_HAS_PRAGMA_ONCE # pragma once #endif #include #include #include #include #include #include #ifdef BOOST_STACKTRACE_USE_BACKTRACE # include #elif defined(BOOST_STACKTRACE_USE_ADDR2LINE) # include #else # include #endif namespace boost { namespace stacktrace { namespace detail { template class to_string_impl_base: private Base { public: std::string operator()(boost::stacktrace::detail::native_frame_ptr_t addr) { Base::res.clear(); Base::prepare_function_name(addr); if (!Base::res.empty()) { Base::res = boost::core::demangle(Base::res.c_str()); } else { Base::res = to_hex_array(addr).data(); } if (Base::prepare_source_location(addr)) { return Base::res; } boost::stacktrace::detail::location_from_symbol loc(addr); if (!loc.empty()) { Base::res += " in "; Base::res += loc.name(); } return Base::res; } }; std::string to_string(const frame* frames, std::size_t size) { std::string res; if (size == 0) { return res; } res.reserve(64 * size); to_string_impl impl; for (std::size_t i = 0; i < size; ++i) { if (i < 10) { res += ' '; } res += boost::stacktrace::detail::to_dec_array(i).data(); res += '#'; res += ' '; res += impl(frames[i].address()); res += '\n'; } return res; } } // namespace detail std::string frame::name() const { if (!addr_) { return std::string(); } #if !defined(BOOST_WINDOWS) && !defined(__CYGWIN__) ::Dl_info dli; const bool dl_ok = !!::dladdr(const_cast(addr_), &dli); // `dladdr` on Solaris accepts nonconst addresses if (dl_ok && dli.dli_sname) { return boost::core::demangle(dli.dli_sname); } #endif return boost::stacktrace::detail::name_impl(addr_); } std::string to_string(const frame& f) { if (!f) { return std::string(); } boost::stacktrace::detail::to_string_impl impl; return impl(f.address()); } }} // namespace boost::stacktrace #endif // BOOST_STACKTRACE_DETAIL_FRAME_UNWIND_IPP