1 files changed, 13 insertions, 0 deletions
diff --git a/runtime/java_vm_ext.h b/runtime/java_vm_ext.h
index 3d055cd7ce..ed9d3abfe2 100644
--- a/runtime/java_vm_ext.h
+++ b/runtime/java_vm_ext.h
@@ -36,6 +36,10 @@ class ParsedOptions;
 class Runtime;
 struct RuntimeArgumentMap;
 
+class JavaVMExt;
+// Hook definition for runtime plugins.
+using GetEnvHook = jint (*)(JavaVMExt* vm, /*out*/void** new_env, jint version);
+
 class JavaVMExt : public JavaVM {
  public:
   JavaVMExt(Runtime* runtime, const RuntimeArgumentMap& runtime_options);
@@ -171,6 +175,12 @@ class JavaVMExt : public JavaVM {
   void TrimGlobals() SHARED_REQUIRES(Locks::mutator_lock_)
       REQUIRES(!globals_lock_);
 
+  jint HandleGetEnv(/*out*/void** env, jint version);
+
+  void AddEnvironmentHook(GetEnvHook hook);
+
+  static bool IsBadJniVersion(int version);
+
  private:
   // Return true if self can currently access weak globals.
   bool MayAccessWeakGlobalsUnlocked(Thread* self) const SHARED_REQUIRES(Locks::mutator_lock_);
@@ -215,6 +225,9 @@ class JavaVMExt : public JavaVM {
   Atomic<bool> allow_accessing_weak_globals_;
   ConditionVariable weak_globals_add_condition_ GUARDED_BY(weak_globals_lock_);
 
+  // TODO Maybe move this to Runtime.
+  std::vector<GetEnvHook> env_hooks_;
+
   DISALLOW_COPY_AND_ASSIGN(JavaVMExt);
 };