diff options
Diffstat (limited to 'tapset')
| -rw-r--r-- | tapset/context-symbols.stp | 4 | ||||
| -rw-r--r-- | tapset/ucontext-symbols.stp | 52 |
2 files changed, 54 insertions, 2 deletions
diff --git a/tapset/context-symbols.stp b/tapset/context-symbols.stp index 66d9fea2..783f1b7b 100644 --- a/tapset/context-symbols.stp +++ b/tapset/context-symbols.stp @@ -128,7 +128,7 @@ function modname:string (addr: long) %{ /* pure */ */ function symname:string (addr: long) %{ /* pure */ _stp_symbol_snprint(THIS->__retvalue, MAXSTRINGLEN, THIS->addr, - current, 0); + NULL, 0); %} /** @@ -143,5 +143,5 @@ function symname:string (addr: long) %{ /* pure */ */ function symdata:string (addr: long) %{ /* pure */ _stp_symbol_snprint(THIS->__retvalue, MAXSTRINGLEN, THIS->addr, - current, 1); + NULL, 1); %} diff --git a/tapset/ucontext-symbols.stp b/tapset/ucontext-symbols.stp new file mode 100644 index 00000000..3813a8bf --- /dev/null +++ b/tapset/ucontext-symbols.stp @@ -0,0 +1,52 @@ +// User context symbols tapset +// Copyright (C) 2009 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. + +// <tapsetdescription> +// User context symbol functions provide additional information about +// addresses from an application. These functions can provide +// information about the user space map (library) that the event occured or +// the function symbol of an address. +// </tapsetdescription> + +%{ +#ifndef STP_NEED_SYMBOL_DATA +#define STP_NEED_SYMBOL_DATA 1 +#endif +#ifndef STP_NEED_VMA_TRACKER +#define STP_NEED_VMA_TRACKER 1 +#endif +%} + +/** + * sfunction usymname - Return the symbol of an address in the current task. + * @addr: The address to translate. + * + * Description: Returns the (function) symbol name associated with the + * given address if known. If not known it will return the hex string + * representation of addr. + */ +function usymname:string (addr: long) %{ /* pure */ + _stp_symbol_snprint(THIS->__retvalue, MAXSTRINGLEN, THIS->addr, + current, 0); +%} + +/** + * sfunction usymdata - Return the symbol and module offset of an address. + * @addr: The address to translate. + * + * Description: Returns the (function) symbol name associated with the + * given address in the current task if known, plus the module name + * (between brackets) and the offset inside the module (shared library), + * plus the size of the symbol function. If any element is not known it + * will be ommitted and if the symbol name is unknown it will return the + * hex string for the given address. + */ +function usymdata:string (addr: long) %{ /* pure */ + _stp_symbol_snprint(THIS->__retvalue, MAXSTRINGLEN, THIS->addr, + current, 1); +%} |