diff options
Diffstat (limited to 'runtime/debug.h')
| -rw-r--r-- | runtime/debug.h | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/runtime/debug.h b/runtime/debug.h new file mode 100644 index 00000000..8f877ede --- /dev/null +++ b/runtime/debug.h @@ -0,0 +1,66 @@ +/* Systemtap Debug Macros + * Copyright (C) 2008 Red Hat Inc. + * + * This file is part of systemtap, and is free software. You can + * redistribute it and/or modify it under the terms of the GNU General + * Public License (GPL); either version 2, or (at your option) any + * later version. + */ + +#ifndef _STP_DEBUG_H_ +#define _STP_DEBUG_H_ + +/* These are always on. + * _dbug() writes to systemtap stderr. + * errk() writes to the system log. + */ +#define _dbug(args...) _stp_dbug(__FUNCTION__, __LINE__, args) + +#define errk(args...) do { \ + printk("Systemtap Error at %s:%d ",__FUNCTION__, __LINE__); \ + printk(args); \ + } while (0) + +#ifdef DEBUG_TRANSPORT +#undef DEBUG_TRANSPORT +#define DEBUG_TRANSPORT 1 +#else +#define DEBUG_TRANSPORT 0 +#endif + +#ifdef DEBUG_UNWIND +#undef DEBUG_UNWIND +#define DEBUG_UNWIND 2 +#else +#define DEBUG_UNWIND 0 +#endif + +#ifdef DEBUG_SYMBOLS +#undef DEBUG_SYMBOLS +#define DEBUG_SYMBOLS 4 +#else +#define DEBUG_SYMBOLS 0 +#endif + +#define DEBUG_TYPE (DEBUG_TRANSPORT|DEBUG_UNWIND|DEBUG_SYMBOLS) + +#if DEBUG_TYPE > 0 + +#define dbug(type, args...) do { \ + if ((type) & DEBUG_TYPE) \ + _stp_dbug(__FUNCTION__, __LINE__, args); \ + } while (0) + +#define kbug(type, args...) do { \ + if ((type) & DEBUG_TYPE) { \ + printk("%s:%d ",__FUNCTION__, __LINE__); \ + printk(args); \ + } \ + } while (0) + +#else +#define dbug(type, args...) ; +#define kbug(type, args...) ; +#endif /* DEBUG_TYPE > 0 */ + +#endif /* _STP_DEBUG_H_ */ |