Initial firmware commit.

firmware/common/gcc.cpp

@@ -0,0 +1,54 @@
+/*
+ * Copyright (C) 2014 Jared Boone, ShareBrained Technology, Inc.
+ *
+ * This file is part of PortaPack.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; see the file COPYING.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#include "gcc.hpp"
+
+#include <ch.h>
+
+#if defined(TOOLCHAIN_GCC)
+
+/* Note: Added to deal with static variables:
+ * undefined reference to `__dso_handle'.
+ * Comes up when using random C++ features, e.g. lambdas or std::function?
+ */
+void *__dso_handle;
+
+/* prevents the exception handling name demangling code getting pulled in */
+namespace __gnu_cxx {
+	void __verbose_terminate_handler() {
+	}
+}
+
+/* NOTE: Hack to address bloat when using C++ class virtual destructors.
+ */
+extern "C" __attribute__((weak)) void __cxa_pure_virtual(void) {
+	chSysHalt();
+}
+
+#endif
+
+/* Implementing abort() eliminates requirement for _getpid(), _kill(),
+ * _exit().
+ */
+extern "C" void abort() {
+	/* while() loop to avoid noreturn-is-returning warning. */
+	while(1) { chSysHalt(); }
+}