New debugging flag --trace-notbelow=<number>, to stop --trace-codegen=
spewing out tons of unwanted stuff before some desired point.



git-svn-id: svn://svn.valgrind.org/valgrind/trunk@3169 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/coregrind/core.h b/coregrind/core.h
index e14519c..4514269 100644
--- a/coregrind/core.h
+++ b/coregrind/core.h
@@ -292,8 +292,10 @@
 /* PROFILE: collect bb profiling data?  default: NO */
 extern Bool  VG_(clo_bbprofile);
 
-/* DEBUG: print generated code?  default: 00000 ( == NO ) */
+/* DEBUG: print generated code?  default: 00000000 ( == NO ) */
 extern Bool  VG_(clo_trace_codegen);
+/* DEBUG: if tracing codegen, be quiet until after this bb ( 0 ) */
+extern Int   VG_(clo_trace_notbelow);
 /* DEBUG: print system calls?  default: NO */
 extern Bool  VG_(clo_trace_syscalls);
 /* DEBUG: print signal details?  default: NO */