[Bug translator/11424] dwarfless kprobe.* probes don't validate at translate time

["prerna at linux dot vnet dot ibm dot com" <sourceware-bugzilla at sourceware dot org>]

------- Additional Comments From prerna at linux dot vnet dot ibm dot com  2010-03-24 10:44 -------
(In reply to comment #4)
> Brings me to a related issue. A stap -l listing holds no meaning for certain
> probe types whose validation can happen only at runtime (eg Dwarfless probes ,
> hardware breakpoint probes). 

Here's a quick patch to prohibit listing mode for dwarfless and hardware
breakpoint based probes.

Index: systemtap/tapsets.cxx
===================================================================
--- systemtap.orig/tapsets.cxx
+++ systemtap/tapsets.cxx
@@ -5452,6 +5452,9 @@ kprobe_builder::build(systemtap_session 
   bool has_function_str, has_module_str, has_statement_num;
   bool has_absolute, has_return, has_maxactive;
 
+  if ( sess.listing_mode || sess.listing_mode_vars )
+	throw semantic_error("Dwarfless probes get validated at runtime. A listing is
not available");
+
   has_function_str = get_param(parameters, TOK_FUNCTION, function_string_val);
   has_module_str = get_param(parameters, TOK_MODULE, module_string_val);
   has_return = has_null_param (parameters, TOK_RETURN);
@@ -5789,6 +5792,9 @@ hwbkpt_builder::build(systemtap_session 
   int64_t hwbkpt_address, len;
   bool has_addr, has_symbol_str, has_write, has_rw, has_len;
 
+  if ( sess.listing_mode || sess.listing_mode_vars )
+	throw semantic_error("Hardware breakpoint probes get validated at runtime. A
listing is not available");
+
   if (! (sess.kernel_config["CONFIG_PERF_EVENTS"] == string("y")))
       throw semantic_error ("CONFIG_PERF_EVENTS not available on this kernel",
                             location->components[0]->tok);

-- 


http://sourceware.org/bugzilla/show_bug.cgi?id=11424

------- You are receiving this mail because: -------
You are the assignee for the bug, or are watching the assignee.