more JNIEnvVTable entries

src/constants.h

@@ -249,6 +249,9 @@ const unsigned ACC_INTERFACE    = 1 <<  9;
 const unsigned ACC_ABSTRACT     = 1 << 10;
 const unsigned ACC_STRICT       = 1 << 11;
 
+const int JNI_COMMIT = 1;
+const int JNI_ABORT  = 2;
+
 } // namespace vm
 
 #endif//CONSTANTS_H

src/machine.cpp

@@ -1273,6 +1273,7 @@ Machine::Machine(System* system, Heap* heap, Finder* finder):
   finder(finder),
   rootThread(0),
   exclusive(0),
+  jniReferences(0),
   activeCount(0),
   liveCount(0),
   stateLock(0),
@@ -1286,6 +1287,7 @@ Machine::Machine(System* system, Heap* heap, Finder* finder):
   monitorMap(0),
   stringMap(0),
   types(0),
+  jniInterfaceTable(0),
   finalizers(0),
   tenuredFinalizers(0),
   finalizeQueue(0),
@@ -1316,6 +1318,12 @@ Machine::dispose()
   if (libraries) {
     libraries->dispose();
   }
+
+  for (Reference* r = jniReferences; r;) {
+    Reference* t = r;
+    r = r->next;
+    system->free(t);
+  }
 }
 
 Thread::Thread(Machine* m, object javaThread, Thread* parent):
@@ -1325,6 +1333,7 @@ Thread::Thread(Machine* m, object javaThread, Thread* parent):
   peer((parent ? parent->child : 0)),
   child(0),
   state(NoState),
+  criticalLevel(0),
   systemThread(0),
   javaThread(javaThread),
   code(0),
@@ -1417,6 +1426,8 @@ Thread::Thread(Machine* m, object javaThread, Thread* parent):
     m->monitorMap = makeWeakHashMap(this, 0, 0);
     m->stringMap = makeWeakHashMap(this, 0, 0);
 
+    m->jniInterfaceTable = makeVector(this, 0, 0, false);
+
     populateBuiltinMap(t, m->builtinMap);
 
     t->javaThread = makeThread
@@ -2504,6 +2515,11 @@ collect(Thread* t, Heap::CollectionType type)
       v->visit(&(m->monitorMap));
       v->visit(&(m->stringMap));
       v->visit(&(m->types));
+      v->visit(&(m->jniInterfaceTable));
+
+      for (Reference* r = m->jniReferences; r; r = r->next) {
+        v->visit(&(r->target));
+      }
 
       for (Thread* t = m->rootThread; t; t = t->peer) {
         ::visitRoots(t, v);

src/machine.h

@@ -1090,6 +1090,17 @@ strcmp(const int8_t* a, const int8_t* b)
 void
 noop();
 
+class Reference {
+ public:
+  Reference(object target, Reference* next):
+    target(target),
+    next(next)
+  { }
+
+  object target;
+  Reference* next;
+};
+
 class Machine {
  public:
   enum {
@@ -1111,6 +1122,7 @@ class Machine {
   Finder* finder;
   Thread* rootThread;
   Thread* exclusive;
+  Reference* jniReferences;
   unsigned activeCount;
   unsigned liveCount;
   System::Monitor* stateLock;
@@ -1124,6 +1136,7 @@ class Machine {
   object monitorMap;
   object stringMap;
   object types;
+  object jniInterfaceTable;
   object finalizers;
   object tenuredFinalizers;
   object finalizeQueue;
@@ -1221,6 +1234,7 @@ class Thread {
   Thread* peer;
   Thread* child;
   State state;
+  unsigned criticalLevel;
   System::Thread* systemThread;
   object javaThread;
   object code;

src/run.cpp

@@ -2425,7 +2425,8 @@ run(Thread* t, const char* className, int argc, const char** argv)
 }
 
 void
-pushArguments(Thread* t, object this_, const char* spec, va_list a)
+pushArguments(Thread* t, object this_, const char* spec, bool indirectObjects,
+              va_list a)
 {
   if (this_) {
     pushObject(t, this_);
@@ -2438,7 +2439,8 @@ pushArguments(Thread* t, object this_, const char* spec, va_list a)
     case 'L':
       while (*s and *s != ';') ++ s;
       ++ s;
-      pushObject(t, va_arg(a, object));
+      pushObject
+        (t, (indirectObjects ? va_arg(a, object) : *va_arg(a, object*)));
       break;
 
     case '[':
@@ -2453,7 +2455,8 @@ pushArguments(Thread* t, object this_, const char* spec, va_list a)
         ++ s;
         break;
       }
-      pushObject(t, va_arg(a, object));
+      pushObject
+        (t, (indirectObjects ? va_arg(a, object) : *va_arg(a, object*)));
       break;
       
     case 'J':
@@ -2637,7 +2640,7 @@ invoke(Thread* t, object method)
 namespace vm {
 
 object
-run(Thread* t, object method, object this_, ...)
+run(Thread* t, object method, object this_, bool indirectObjects, va_list a)
 {
   assert(t, t->state == Thread::ActiveState
          or t->state == Thread::ExclusiveState);
@@ -2651,16 +2654,24 @@ run(Thread* t, object method, object this_, ...)
     return 0;
   }
 
+  const char* spec = reinterpret_cast<char*>
+    (&byteArrayBody(t, methodSpec(t, method), 0));
+  pushArguments(t, this_, spec, indirectObjects, a);
+
+  return invoke(t, method);
+}
+
+object
+run(Thread* t, object method, object this_, ...)
+{
   va_list a;
   va_start(a, this_);
 
-  const char* spec = reinterpret_cast<char*>
+  object r = run(t, method, this_, false, a);
-    (&byteArrayBody(t, methodSpec(t, method), 0));
-  pushArguments(t, this_, spec, a);
 
   va_end(a);
 
-  return invoke(t, method);
+  return r;
 }
 
 object
@@ -2702,7 +2713,7 @@ run(Thread* t, const char* className, const char* methodName,
   va_list a;
   va_start(a, this_);
 
-  pushArguments(t, this_, methodSpec, a);
+  pushArguments(t, this_, methodSpec, false, a);
 
   va_end(a);
 

src/run.h

@@ -8,6 +8,9 @@
 
 namespace vm {
 
+object
+run(Thread* t, object method, object this_, bool indirectObjects, va_list a);
+
 object
 run(Thread* t, object method, object this_, ...);