-/* Copyright (c) 2005-2016. The SimGrid Team.
- * All rights reserved. */
-
-/* Copyright (c) 2002-2004 Ralf S. Engelschall <rse@engelschall.com> */
-/* Copyright (c) 2002-2004 The OSSP Project <http://www.ossp.org/> */
-/* Copyright (c) 2002-2004 Cable & Wireless <http://www.cw.com/> */
-/* All rights reserved. */
-
-/* This code is inspirated from the OSSP version (as retrieved back in 2004)*/
-/* It was heavily modified to fit the SimGrid framework. */
-
-/* The OSSP version has the following copyright notice:
-** OSSP ex - Exception Handling
-** Copyright (c) 2002-2004 Ralf S. Engelschall <rse@engelschall.com>
-** Copyright (c) 2002-2004 The OSSP Project <http://www.ossp.org/>
-** Copyright (c) 2002-2004 Cable & Wireless <http://www.cw.com/>
-**
-** This file is part of OSSP ex, an exception handling library
-** which can be found at http://www.ossp.org/pkg/lib/ex/.
-**
-** Permission to use, copy, modify, and distribute this software for
-** any purpose with or without fee is hereby granted, provided that
-** the above copyright notice and this permission notice appear in all
-** copies.
-**
-** THIS SOFTWARE IS PROVIDED `AS IS'' AND ANY EXPRESSED OR IMPLIED
-** WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
-** MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
-** IN NO EVENT SHALL THE AUTHORS AND COPYRIGHT HOLDERS AND THEIR
-** CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
-** USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
-** ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
-** OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
-** OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
-** SUCH DAMAGE.
- */
-
-/* The extensions made for the SimGrid project can either be distributed */
-/* under the same license, or under the LGPL v2.1 */
-
-#include <cstddef>
-
-#include <xbt/log.h>
-#include <xbt/backtrace.h>
+/* Copyright (c) 2005-2021. The SimGrid Team. All rights reserved. */
+
+/* This program is free software; you can redistribute it and/or modify it
+ * under the terms of the license (GNU LGPL) which comes with this package. */
#include "src/internal_config.h"
-extern "C" {
+#include <xbt/backtrace.hpp>
+#include <xbt/string.hpp>
+#include <xbt/sysdep.h>
+#include <xbt/virtu.h>
+
+#include <boost/algorithm/string/predicate.hpp>
+#include <cstdio>
+#include <cstdlib>
+#include <sstream>
+
+// Try to detect and use the C++ itanium ABI for name demangling:
+#ifdef __GXX_ABI_VERSION
+#include <cxxabi.h>
+#endif
-XBT_LOG_NEW_DEFAULT_SUBCATEGORY(xbt_backtrace, xbt, "Backtrace");
+#if HAVE_BOOST_STACKTRACE_BACKTRACE
+#define BOOST_STACKTRACE_USE_BACKTRACE
+#include <boost/stacktrace.hpp>
+#include <boost/stacktrace/detail/frame_decl.hpp>
+#elif HAVE_BOOST_STACKTRACE_ADDR2LINE
+#define BOOST_STACKTRACE_USE_ADDR2LINE
+#include <boost/stacktrace.hpp>
+#include <boost/stacktrace/detail/frame_decl.hpp>
+#endif
+/** @brief show the backtrace of the current point (lovely while debugging) */
+void xbt_backtrace_display_current()
+{
+ simgrid::xbt::Backtrace().display();
}
-/** \brief show the backtrace of the current point (lovely while debuging) */
-void xbt_backtrace_display_current(void)
+namespace simgrid {
+namespace xbt {
+
+std::unique_ptr<char, std::function<void(char*)>> demangle(const char* name)
{
- const std::size_t size = 10;
- xbt_backtrace_location_t bt[size];
- size_t used = xbt_backtrace_current(bt, size);
- xbt_backtrace_display(bt, used);
+#ifdef __GXX_ABI_VERSION
+ int status;
+ std::unique_ptr<char, std::function<void(char*)>> res(abi::__cxa_demangle(name, nullptr, nullptr, &status),
+ &std::free);
+ if (res != nullptr)
+ return res;
+ // We did not manage to resolve this. Probably because this is not a mangled symbol:
+#endif
+ // Return the symbol:
+ return std::unique_ptr<char, std::function<void(char*)>>(xbt_strdup(name), &xbt_free_f);
}
-#if HAVE_BACKTRACE && HAVE_EXECINFO_H && HAVE_POPEN && defined(ADDR2LINE)
-# include "src/xbt/backtrace_linux.cpp"
+class BacktraceImpl {
+#if HAVE_BOOST_STACKTRACE_BACKTRACE || HAVE_BOOST_STACKTRACE_ADDR2LINE
+ const boost::stacktrace::stacktrace st = boost::stacktrace::stacktrace();
+
+public:
+ std::string resolve() const
+ {
+ std::stringstream ss;
+
+ int frame_count = 0;
+ int state = 0;
+
+ for (boost::stacktrace::frame frame : st) {
+ if (state == 1) {
+ if (boost::starts_with(frame.name(), "simgrid::xbt::MainFunction") ||
+ boost::starts_with(frame.name(), "simgrid::kernel::context::Context::operator()()"))
+ break;
+ ss << " -> " << frame_count++ << "# " << frame.name() << " at " << frame.source_file() << ":"
+ << frame.source_line() << std::endl;
+ if (frame.name() == "main")
+ break;
+ } else {
+ if (frame.name() == "simgrid::xbt::Backtrace::Backtrace()")
+ state = 1;
+ }
+ }
+
+ return ss.str();
+ }
#else
-# include "src/xbt/backtrace_dummy.cpp"
+
+public:
+ std::string resolve() const { return ""; } // fallback value
#endif
+};
+
+Backtrace::Backtrace() : impl_(std::make_shared<BacktraceImpl>()) {}
+
+std::string Backtrace::resolve() const
+{
+ return impl_->resolve();
+}
+
+void Backtrace::display() const
+{
+ std::string backtrace = resolve();
+ std::fprintf(stderr, "Backtrace (displayed in actor %s):\n%s\n", xbt_procname(),
+ backtrace.empty() ? "(backtrace not set -- did you install Boost.Stacktrace?)" : backtrace.c_str());
+}
+
+} // namespace xbt
+} // namespace simgrid
