65 lines
1.9 KiB
C++
65 lines
1.9 KiB
C++
|
/*
|
||
|
|
* This Source Code Form is subject to the terms of the Mozilla Public
|
||
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
||
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
|
||
|
|
*
|
||
|
|
* Copyright 2010-2019 Danny Robson <danny@nerdcruft.net>
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include "./system.hpp"
|
||
|
|
|
||
|
|
#include "debugger.hpp"
|
||
|
|
|
||
|
|
#include "../backtrace.hpp"
|
||
|
|
#include "../log.hpp"
|
||
|
|
|
||
|
|
#include <cstdlib>
|
||
|
|
|
||
|
|
|
||
|
|
////////////////////////////////////////////////////////////////////////////////
|
||
|
|
static void abort_with_trace (void)
|
||
|
|
{
|
||
|
|
// Manually trigger a breakpoint if possible so that the debugger won't
|
||
|
|
// silently dump us some place without further information.
|
||
|
|
// eg, CLion/GDB/Win32 silently dropping us out of the session.
|
||
|
|
breakpoint ();
|
||
|
|
|
||
|
|
// If this is because of an exception we may as well rethrow and hope that
|
||
|
|
// the system will print exception data during the abort process.
|
||
|
|
//
|
||
|
|
// But we can at least try to print anything derived from std::exception
|
||
|
|
// (which is a likely guess) before we self-destruct.
|
||
|
|
if (auto ptr = std::current_exception (); ptr) {
|
||
|
|
try {
|
||
|
|
std::rethrow_exception (ptr);
|
||
|
|
} catch (std::exception const &x) {
|
||
|
|
LOG_EMERGENCY ("unhandled exception: %!\n%!", x.what (), debug::backtrace {});
|
||
|
|
} catch (...) {
|
||
|
|
LOG_EMERGENCY ("unhandled exception: %!\n", debug::backtrace {});
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
LOG_EMERGENCY ("aborting: %!", debug::backtrace {});
|
||
|
|
}
|
||
|
|
|
||
|
|
std::abort ();
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
///////////////////////////////////////////////////////////////////////////////
|
||
|
|
void
|
||
|
|
cruft::debug::init [[gnu::constructor]] (void)
|
||
|
|
{
|
||
|
|
std::set_terminate (abort_with_trace);
|
||
|
|
|
||
|
|
if (!debug_enabled && !getenv ("DEBUG"))
|
||
|
|
return;
|
||
|
|
|
||
|
|
LOG_DEBUG ("setting debug environment");
|
||
|
|
//enable_fpe ();
|
||
|
|
force_console ();
|
||
|
|
prepare_debugger ();
|
||
|
|
|
||
|
|
if (getenv ("DEBUG_WAIT"))
|
||
|
|
await_debugger ();
|
||
|
|
}
|