1 /* Copyright (c) 2005-2021. The SimGrid Team. All rights reserved. */
3 /* This program is free software; you can redistribute it and/or modify it
4 * under the terms of the license (GNU LGPL) which comes with this package. */
6 #include "src/internal_config.h"
8 #include <xbt/backtrace.hpp>
9 #include <xbt/string.hpp>
10 #include <xbt/sysdep.h>
11 #include <xbt/virtu.h>
13 #include <boost/algorithm/string/predicate.hpp>
18 // Try to detect and use the C++ itanium ABI for name demangling:
19 #ifdef __GXX_ABI_VERSION
23 #if HAVE_BOOST_STACKTRACE_BACKTRACE
24 #define BOOST_STACKTRACE_USE_BACKTRACE
25 #include <boost/stacktrace.hpp>
26 #include <boost/stacktrace/detail/frame_decl.hpp>
27 #elif HAVE_BOOST_STACKTRACE_ADDR2LINE
28 #define BOOST_STACKTRACE_USE_ADDR2LINE
29 #include <boost/stacktrace.hpp>
30 #include <boost/stacktrace/detail/frame_decl.hpp>
33 /** @brief show the backtrace of the current point (lovely while debugging) */
34 void xbt_backtrace_display_current()
36 simgrid::xbt::Backtrace().display();
42 std::unique_ptr<char, std::function<void(char*)>> demangle(const char* name)
44 #ifdef __GXX_ABI_VERSION
46 std::unique_ptr<char, std::function<void(char*)>> res(abi::__cxa_demangle(name, nullptr, nullptr, &status),
50 // We did not manage to resolve this. Probably because this is not a mangled symbol:
53 return std::unique_ptr<char, std::function<void(char*)>>(xbt_strdup(name), &xbt_free_f);
57 #if HAVE_BOOST_STACKTRACE_BACKTRACE || HAVE_BOOST_STACKTRACE_ADDR2LINE
58 const boost::stacktrace::stacktrace st = boost::stacktrace::stacktrace();
60 std::string resolve() const
67 for (boost::stacktrace::frame frame : st) {
69 if (boost::starts_with(frame.name(), "simgrid::xbt::MainFunction") ||
70 boost::starts_with(frame.name(), "simgrid::kernel::context::Context::operator()()"))
72 ss << " -> " << frame_count++ << "# " << frame.name() << " at " << frame.source_file() << ":"
73 << frame.source_line() << std::endl;
74 if (frame.name() == "main")
77 if (frame.name() == "simgrid::xbt::Backtrace::Backtrace()")
86 std::string resolve() const { return ""; } // fallback value
90 Backtrace::Backtrace() : impl_(std::make_shared<BacktraceImpl>()) {}
92 std::string Backtrace::resolve() const
94 return impl_->resolve();
97 void Backtrace::display() const
99 std::string backtrace = resolve();
100 std::fprintf(stderr, "Backtrace (displayed in actor %s):\n%s\n", xbt_procname(),
101 backtrace.empty() ? "(backtrace not set -- did you install Boost.Stacktrace?)" : backtrace.c_str());
105 } // namespace simgrid