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-rw-r--r--include/config.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/config.h b/include/config.h
index d8177a75..8cc344da 100644
--- a/include/config.h
+++ b/include/config.h
@@ -403,6 +403,7 @@
 /* Environment variable used to pass SHM ID to the called program. */
 
 #define SHM_ENV_VAR "__AFL_SHM_ID"
+#define DFG_SHM_ENV_VAR "__AFL_DFG_SHM_ID"
 
 /* Environment variable used to pass SHM FUZZ ID to the called program. */
 
@@ -470,6 +471,9 @@
   #define MAP_INITIAL_SIZE MAP_SIZE
 #endif
 
+#define DFG_MAP_SIZE_POW2 16
+#define DFG_MAP_SIZE (1U << DFG_MAP_SIZE_POW2)
+
 /* Maximum allocator request size (keep well under INT_MAX): */
 
 #define MAX_ALLOC 0x40000000