1 files changed, 98 insertions, 0 deletions
diff --git a/Source/DirectFB/lib/direct/trace.h b/Source/DirectFB/lib/direct/trace.h
new file mode 100755
index 0000000..2975522
--- /dev/null
+++ b/Source/DirectFB/lib/direct/trace.h
@@ -0,0 +1,98 @@
+/*
+   (c) Copyright 2001-2009  The world wide DirectFB Open Source Community (directfb.org)
+   (c) Copyright 2000-2004  Convergence (integrated media) GmbH
+
+   All rights reserved.
+
+   Written by Denis Oliver Kropp <dok@directfb.org>,
+              Andreas Hundt <andi@fischlustig.de>,
+              Sven Neumann <neo@directfb.org>,
+              Ville Syrjälä <syrjala@sci.fi> and
+              Claudio Ciccani <klan@users.sf.net>.
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+
+   This library 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with this library; if not, write to the
+   Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.
+*/
+
+#ifndef __DIRECT__TRACE_H__
+#define __DIRECT__TRACE_H__
+
+#include <direct/types.h>
+
+/***********************************************************************************************************************
+** Symbols
+*/
+
+/*
+ * Returns filename on success or NULL.
+ *
+ * Stores load address of object in 'ret_base' on success.
+ */
+const char *direct_trace_lookup_file  ( void        *address,
+                                        void       **ret_base );
+
+/*
+ * Look up a symbol by filename and offset.
+ *
+ * Returns symbol name on success or NULL.
+ */
+const char *direct_trace_lookup_symbol( const char  *filename,
+                                        long         offset );
+
+/*
+ * Convenience function combining direct_trace_lookup_file() and direct_trace_lookup_symbol().
+ */
+static inline const char *
+direct_trace_lookup_symbol_at( void *address )
+{
+     void       *base;
+     const char *filename;
+
+     filename = direct_trace_lookup_file( address, &base );
+
+     return direct_trace_lookup_symbol( filename, (unsigned long) address - (unsigned long) base );
+}
+
+/***********************************************************************************************************************
+** Stacks
+*/
+
+/*
+ * Print stack in 'buffer' or current if NULL.
+ */
+void direct_trace_print_stack( DirectTraceBuffer *buffer );
+
+/*
+ * Print stack of each known thread.
+ */
+void direct_trace_print_stacks( void );
+
+/*
+ * Returns indent level for debug output.
+ */
+int  direct_trace_debug_indent( void );
+
+/*
+ * Create a copy of a stack in 'buffer' or of current if NULL.
+ */
+DirectTraceBuffer *direct_trace_copy_buffer( DirectTraceBuffer *buffer );
+
+/*
+ * Free a (copied) stack buffer.
+ */
+void               direct_trace_free_buffer( DirectTraceBuffer *buffer );
+
+#endif
+