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 static bool startWith(std::string str, const char* prefix)
38 return strncmp(str.c_str(), prefix, strlen(prefix)) == 0;
41 void xbt_backtrace_display(const simgrid::xbt::Backtrace& bt)
43 std::string backtrace = simgrid::xbt::resolve_backtrace(bt);
44 if (backtrace.empty()) {
45 fprintf(stderr, "(backtrace not set -- did you install Boost.Stacktrace?)\n");
48 fprintf(stderr, "Backtrace (displayed in actor %s):\n", SIMIX_process_self_get_name());
49 std::fprintf(stderr, "%s\n", backtrace.c_str());
52 /** @brief show the backtrace of the current point (lovely while debugging) */
53 void xbt_backtrace_display_current()
55 simgrid::xbt::Backtrace bt = simgrid::xbt::Backtrace();
56 xbt_backtrace_display(bt);
62 std::unique_ptr<char, void(*)(void*)> demangle(const char* name)
64 #ifdef __GXX_ABI_VERSION
66 auto res = std::unique_ptr<char, void(*)(void*)>(
67 abi::__cxa_demangle(name, nullptr, nullptr, &status),
72 // We did not manage to resolve this. Probably because this is not a mangled symbol:
75 return std::unique_ptr<char, void(*)(void*)>(xbt_strdup(name), std::free);
82 void ref() { refcount_++; }
86 return refcount_ == 0;
88 #if HAVE_BOOST_STACKTRACE
89 boost::stacktrace::stacktrace st;
93 Backtrace::Backtrace()
95 #if HAVE_BOOST_STACKTRACE
96 impl_ = new BacktraceImpl();
97 impl_->st = boost::stacktrace::stacktrace();
100 Backtrace::Backtrace(const Backtrace& bt)
106 Backtrace::~Backtrace()
108 if (impl_ != nullptr && impl_->unref()) {
113 } // namespace simgrid
118 std::string resolve_backtrace(const Backtrace& bt)
120 std::string result("");
122 #if HAVE_BOOST_STACKTRACE
123 std::stringstream ss;
125 result.append(ss.str());
131 } // namespace simgrid