trace-tools: Add trace-tools.h

Change-Id: I091f3e3580fa6761fef8fff32377f6a305ca99e1

src/Makefile.am

@@ -131,7 +131,8 @@ libring_la_SOURCES = \
 		transport/peer_channel.h \
 		uri.h \
 		uri.cpp \
-		vcard.h
+		vcard.h \
+		jami/trace-tools.h
 
 if HAVE_WIN32
 libring_la_SOURCES += \

src/jami/trace-tools.h

+/*
+ *  Copyright (C) 2022 Savoir-faire Linux Inc.
+ *
+ *  Author: Olivier Dion <olivier.dion@savoirfairelinux.com>
+ *
+ *  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 3 of the License, 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; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA.
+ */
+
+#pragma once
+
+#ifdef ENABLE_TRACEPOINTS
+/*
+ * GCC Only.  We use these instead of classic __FILE__ and __LINE__ because
+ * these are evaluated where invoked and not at expansion time.  See GCC manual.
+ */
+#  define CURRENT_FILENAME() __builtin_FILE()
+#  define CURRENT_LINE()     __builtin_LINE()
+#else
+#  define CURRENT_FILENAME() ""
+#  define CURRENT_LINE()     0
+#endif
+
+#if HAVE_CXXABI_H
+#include <cxxabi.h>
+
+template<typename T>
+std::string demangle()
+{
+    int err;
+    char *raw;
+    std::string ret;
+
+    raw = abi::__cxa_demangle(typeid(T).name(), 0, 0, &err);
+
+    if (0 == err) {
+        ret = raw;
+    } else {
+        ret = typeid(T).name();
+    }
+
+    std::free(raw);
+
+    return ret;
+}
+
+#else
+template<typename T>
+std::string demangle()
+{
+    return typeid(T).name();
+}
+#endif