This patch is the propagation version of https://codereview.chromium.org/10824032 patch

src/full-codegen.cc

Index: src/full-codegen.cc
===================================================================
--- src/full-codegen.cc	(revision 13276)
+++ src/full-codegen.cc	(working copy)
@@ -307,7 +307,11 @@
 #ifdef ENABLE_GDB_JIT_INTERFACE
   masm.positions_recorder()->StartGDBJITLineInfoRecording();
 #endif
-
+  if (isolate->logger()->is_code_event_handler_enabled()) {
+    JITCodeLineInfo* lineinfo =
+        masm.positions_recorder()->InitializeJITLineInfo();
+    LOG_CODE_EVENT(isolate, CodeStartLinePosInfoRecordEvent(lineinfo));

[danno, 2013/01/10 16:47:33]

nit: here and elsewhere: line_info

[chunyang.dai, 2013/01/18 10:22:44]

Done.

+  }
   FullCodeGenerator cgen(&masm, info);
   cgen.Generate();
   if (cgen.HasStackOverflow()) {
@@ -344,6 +348,13 @@
     GDBJIT(RegisterDetailedLineInfo(*code, lineinfo));
   }
 #endif
+  if (isolate->logger()->is_code_event_handler_enabled()) {
+    if (!code.is_null()) {
+      JITCodeLineInfo* lineinfo =
+          masm.positions_recorder()->DetachJITLineInfo();
+      LOG_CODE_EVENT(isolate, CodeEndLinePosInfoRecordEvent(*code, lineinfo));
+    }
+  }
   return !code.is_null();
 }