From 44f753868fd81e3b5c614acc3a4898d5c812a610 Mon Sep 17 00:00:00 2001
From: fche <fche>
Date: Fri, 9 Feb 2007 13:45:49 +0000
Subject: 2007-02-09  Frank Ch. Eigler  <fche@elastic.org>

	PR 3965
	* configure.ac: Add --enable-prologue option.
	* configure, config.in: Regenerated.
	* session.h (prologue_searching): New field.
	* main.cxx (main): Parse new "-P" option.  Initialize based on
	autoconf flag.
	* stap.1.in, NEWS: Document it.
	* hash.cxx (find_hash): Include it in computation.
	* tapsets.cxx (query_func_info, query_cu): Respect it.

2007-02-09  Frank Ch. Eigler  <fche@elastic.org>

	* systemtap.base/prologue.*: New test case.
---
 tapsets.cxx | 33 +++++++++++++++++----------------
 1 file changed, 17 insertions(+), 16 deletions(-)

(limited to 'tapsets.cxx')

diff --git a/tapsets.cxx b/tapsets.cxx
index 82903afa..f223d154 100644
--- a/tapsets.cxx
+++ b/tapsets.cxx
@@ -48,7 +48,6 @@ extern "C" {
 #include <perfmon/perfmon.h>
 #endif
 
-
 using namespace std;
 
 
@@ -2415,19 +2414,19 @@ query_func_info (Dwarf_Addr entrypc,
 	}
       else
 	{
-#ifdef __ia64__
-	// In IA64 platform function probe point is set at its
-	// entry point rather than prologue end pointer
-	   query_statement (fi.name, fi.decl_file, fi.decl_line,
-		&fi.die, entrypc, q);
-
-#else
-	  if (fi.prologue_end == 0)
-	    throw semantic_error("could not find prologue-end "
-				 "for probed function '" + fi.name + "'");
-	  query_statement (fi.name, fi.decl_file, fi.decl_line,
-			   &fi.die, fi.prologue_end, q);
-#endif
+          if (q->sess.prologue_searching)
+            {
+              if (fi.prologue_end == 0)
+                throw semantic_error("could not find prologue-end "
+                                     "for probed function '" + fi.name + "'");
+              query_statement (fi.name, fi.decl_file, fi.decl_line,
+                               &fi.die, fi.prologue_end, q);
+            }
+          else
+            {
+              query_statement (fi.name, fi.decl_file, fi.decl_line,
+                               &fi.die, entrypc, q);
+            }
 	}
     }
   catch (semantic_error &e)
@@ -2657,8 +2656,10 @@ query_cu (Dwarf_Die * cudie, void * arg)
 	  // matching the query, and fill in the prologue endings of them
 	  // all in a single pass.
 	  q->dw.iterate_over_functions (query_dwarf_func, q);
-          if (! q->filtered_functions.empty())
-            q->dw.resolve_prologue_endings (q->filtered_functions);
+
+          if (q->sess.prologue_searching)
+            if (! q->filtered_functions.empty())
+              q->dw.resolve_prologue_endings (q->filtered_functions);
 
 	  if ((q->has_statement_str || q->has_function_str || q->has_inline_str)
 	      && (q->spec_type == function_file_and_line))
-- 
cgit