diff options
Diffstat (limited to 'runtime/sym.c')
| -rw-r--r-- | runtime/sym.c | 31 |
1 files changed, 29 insertions, 2 deletions
diff --git a/runtime/sym.c b/runtime/sym.c index f6f97ac2..013edd0c 100644 --- a/runtime/sym.c +++ b/runtime/sym.c @@ -329,8 +329,35 @@ static void _stp_symbol_print(unsigned long address) } } +/** Print an user space address from a specific task symbolically. + * @param address The address to lookup. + * @param task The address to lookup. + * @note Symbolic lookups should not normally be done within + * a probe because it is too time-consuming. Use at module exit time. + */ + +static void _stp_usymbol_print(unsigned long address, struct task_struct *task) +{ + const char *modname; + const char *name; + unsigned long offset, size; + + name = _stp_kallsyms_lookup(address, &size, &offset, &modname, NULL, + task); + + _stp_printf("%p", (int64_t) address); + + if (name) { + if (modname && *modname) + _stp_printf(" : %s+%#lx/%#lx [%s]", name, offset, size, modname); + else + _stp_printf(" : %s+%#lx/%#lx", name, offset, size); + } +} + /* Like _stp_symbol_print, except only print if the address is a valid function address */ -static int _stp_func_print(unsigned long address, int verbose, int exact) +static int _stp_func_print(unsigned long address, int verbose, int exact, + struct task_struct *task) { const char *modname; const char *name; @@ -342,7 +369,7 @@ static int _stp_func_print(unsigned long address, int verbose, int exact) else exstr = " (inexact)"; - name = _stp_kallsyms_lookup(address, &size, &offset, &modname, NULL, NULL); + name = _stp_kallsyms_lookup(address, &size, &offset, &modname, NULL, task); if (name) { if (verbose) { |