1 /* Copyright (c) 2005-2018. 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 "simgrid/simix.h" /* SIMIX_process_self_get_name() */
9 #include <xbt/backtrace.hpp>
11 #include <xbt/string.hpp>
12 #include <xbt/sysdep.h>
22 #include <boost/algorithm/string.hpp>
24 // Try to detect and use the C++ itanium ABI for name demangling:
25 #ifdef __GXX_ABI_VERSION
29 #if HAVE_BOOST_STACKTRACE
30 #define BOOST_STACKTRACE_USE_BACKTRACE
31 #include <boost/stacktrace.hpp>
34 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(xbt_backtrace, xbt, "Backtrace");
36 void xbt_backtrace_display(const simgrid::xbt::Backtrace& bt)
38 std::string backtrace = simgrid::xbt::resolve_backtrace(bt);
39 if (backtrace.empty()) {
40 fprintf(stderr, "(backtrace not set -- did you install Boost.Stacktrace?)\n");
43 fprintf(stderr, "Backtrace (displayed in actor %s):\n", SIMIX_process_self_get_name());
44 std::fprintf(stderr, "%s\n", backtrace.c_str());
47 /** @brief show the backtrace of the current point (lovely while debugging) */
48 void xbt_backtrace_display_current()
50 simgrid::xbt::Backtrace bt = simgrid::xbt::Backtrace();
51 xbt_backtrace_display(bt);
57 std::unique_ptr<char, void(*)(void*)> demangle(const char* name)
59 #ifdef __GXX_ABI_VERSION
61 auto res = std::unique_ptr<char, void(*)(void*)>(
62 abi::__cxa_demangle(name, nullptr, nullptr, &status),
67 // We did not manage to resolve this. Probably because this is not a mangled symbol:
70 return std::unique_ptr<char, void(*)(void*)>(xbt_strdup(name), std::free);
77 void ref() { refcount_++; }
81 return refcount_ == 0;
83 #if HAVE_BOOST_STACKTRACE
84 boost::stacktrace::stacktrace st;
88 Backtrace::Backtrace()
90 #if HAVE_BOOST_STACKTRACE
91 impl_ = new BacktraceImpl();
92 impl_->st = boost::stacktrace::stacktrace();
95 Backtrace::Backtrace(const Backtrace& bt)
102 Backtrace::~Backtrace()
104 if (impl_ != nullptr && impl_->unref()) {
109 } // namespace simgrid
114 std::string resolve_backtrace(const Backtrace& bt)
116 std::string result("");
118 #if HAVE_BOOST_STACKTRACE
119 std::stringstream ss;
121 result.append(ss.str());
127 } // namespace simgrid