3 files changed, 19 insertions, 0 deletions
diff --git a/frida_mode/src/instrument/instrument.c b/frida_mode/src/instrument/instrument.c
index db73d845..d30e21ec 100644
--- a/frida_mode/src/instrument/instrument.c
+++ b/frida_mode/src/instrument/instrument.c
@@ -449,3 +449,9 @@ void instrument_regs_format(int fd, char *format, ...) {
 
 }
 
+void ijon_set(uint32_t edge) {
+
+  __afl_coverage_interesting(1, edge);
+
+}
+
diff --git a/frida_mode/src/js/api.js b/frida_mode/src/js/api.js
index a65d32df..9e2b15c5 100644
--- a/frida_mode/src/js/api.js
+++ b/frida_mode/src/js/api.js
@@ -326,6 +326,12 @@ class Afl {
     static jsApiGetSymbol(name) {
         return Afl.module.getExportByName(name);
     }
+
+    static IJON = class {
+        static set(addr, val) {
+            Afl.jsApiIjonSet((addr ^ val) & 0xffffffff);
+        }
+    }
 }
 /**
  * Field containing the `Module` object for `afl-frida-trace.so` (the FRIDA mode
@@ -377,3 +383,4 @@ Afl.jsApiSetVerbose = Afl.jsApiGetFunction("js_api_set_verbose", "void", []);
 Afl.jsApiWrite = new NativeFunction(
 /* tslint:disable-next-line:no-null-keyword */
 Module.getExportByName(null, "write"), "int", ["int", "pointer", "int"]);
+Afl.jsApiIjonSet = Afl.jsApiGetFunction("js_api_ijon_set", "void", ["uint32"]);
diff --git a/frida_mode/src/js/js_api.c b/frida_mode/src/js/js_api.c
index 288aec95..274cd1bc 100644
--- a/frida_mode/src/js/js_api.c
+++ b/frida_mode/src/js/js_api.c
@@ -316,3 +316,9 @@ __attribute__((visibility("default"))) void js_api_set_verbose(void) {
 
 }
 
+__attribute__((visibility("default"))) void js_api_ijon_set(uint32_t edge) {
+
+  ijon_set(edge);
+
+}
+