-/* Copyright (c) 2005-2020. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2005-2023. 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"
+#include <simgrid/actor.h>
+#include <simgrid/s4u/Actor.hpp>
#include <xbt/backtrace.hpp>
#include <xbt/string.hpp>
#include <xbt/sysdep.h>
-#include <xbt/virtu.h>
#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
-
#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) */
simgrid::xbt::Backtrace().display();
}
-namespace simgrid {
-namespace xbt {
-
-std::unique_ptr<char, std::function<void(char*)>> demangle(const char* name)
-{
-#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);
-}
+namespace simgrid::xbt {
class BacktraceImpl {
#if HAVE_BOOST_STACKTRACE_BACKTRACE || HAVE_BOOST_STACKTRACE_ADDR2LINE
- const boost::stacktrace::stacktrace st = boost::stacktrace::stacktrace();
-#else
- const char st[1] = ""; // fallback value
-#endif
+ const boost::stacktrace::stacktrace st;
+
public:
std::string resolve() const
{
std::stringstream ss;
- ss << st;
+
+ int frame_count = 0;
+ bool print = false;
+
+ for (boost::stacktrace::frame const& frame : st) {
+ const std::string frame_name = frame.name();
+ if (print) {
+ if (frame_name.rfind("simgrid::xbt::MainFunction", 0) == 0 ||
+ frame_name.rfind("simgrid::kernel::context::Context::operator()()", 0) == 0 ||
+ frame_name.rfind("auto sthread_create::{lambda") == 0)
+ break;
+ ss << " -> #" << frame_count++ << " ";
+ if (xbt_log_no_loc) // Don't display file source and line if so
+ ss << (frame_name.empty() ? "(debug info not found and log:no_loc activated)" : frame_name) << "\n";
+ else
+ ss << frame << "\n";
+ // If we are displaying the user side of a simcall, remove the crude details of context switching
+ if (frame_name.find("simgrid::kernel::actor::simcall_answered") != std::string::npos ||
+ frame_name.find("simgrid::kernel::actor::simcall_blocking") != std::string::npos ||
+ frame_name.find("simcall_run_answered") != std::string::npos ||
+ frame_name.find("simcall_run_blocking") != std::string::npos) {
+ frame_count = 0;
+ ss.str(""); // This is how you clear a stringstream in C++. clear() is something else :'(
+ }
+ if (frame_name == "main")
+ break;
+ } else {
+ if (frame_name == "simgrid::xbt::Backtrace::Backtrace()")
+ print = true;
+ }
+ }
+
return ss.str();
}
+#else
+
+public:
+ std::string resolve() const { return ""; } // fallback value
+#endif
};
Backtrace::Backtrace() : impl_(std::make_shared<BacktraceImpl>()) {}
void Backtrace::display() const
{
std::string backtrace = resolve();
- std::fprintf(stderr, "Backtrace (displayed in actor %s):\n%s\n", xbt_procname(),
+ std::fprintf(stderr, "Backtrace (displayed in actor %s%s):\n%s\n",
+ simgrid::s4u::Actor::is_maestro() ? "maestro" : sg_actor_self_get_name(),
+ (xbt_log_no_loc ? " -- short trace because of --log=no_loc" : ""),
backtrace.empty() ? "(backtrace not set -- did you install Boost.Stacktrace?)" : backtrace.c_str());
}
-} // namespace xbt
-} // namespace simgrid
+} // namespace simgrid::xbt
