Update config.h

legend-issue · Aug 19, 2017 · 1a0fa05 · 1a0fa05
1 parent b57a87a
commit 1a0fa05
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/config.h b/config.h
@@ -349,6 +349,13 @@
 
 #define MAX_FACTOR 32
 
+/* This enables tracing of the executed CG and CFG edges. In some cases, 
+   the CG and CFGs are that LLVM produces are incomplete due to register-
+   indirect jumps or calls. To add edges use script/add_edges.py. Don't
+   forget to set environment variable AFLGO_PROFILER_FILE.
+   
+   $ export AFLGO_PROFILER_FILE=<your-file> */
+
 //#define AFLGO_TRACING
 
 #endif /* ! _HAVE_CONFIG_H */