Merge branch 'master' of dice:git/vm

classpath/java/util/Hashtable.java

@@ -11,6 +11,10 @@ public class Hashtable<K, V> implements Map<K, V> {
     this(0);
   }
 
+  public String toString() {
+    return map.toString();
+  }
+
   public synchronized int size() {
     return map.size();
   }

classpath/java/util/LinkedList.java

@@ -32,8 +32,8 @@ public class LinkedList<T> implements List<T> {
     if (front == null) {
       front = rear = c;
     } else {
-      c.prev = rear;
-      rear = c;
+      c.next = front;
+      front = c;
     }
   }
   
@@ -43,8 +43,8 @@ public class LinkedList<T> implements List<T> {
     if (front == null) {
       front = rear = c;
     } else {
-      c.next = front;
-      front = c;
+      c.prev = rear;
+      rear = c;
     }
   }
   

makefile

@@ -173,6 +173,14 @@ debug-jscheme: $(executable) $(input)
 vg-jscheme: $(executable) $(input)
 	LD_LIBRARY_PATH=$(bld) $(vg) $(<) -cp $(cls):$(jscheme) $(jscheme-command)
 
+.PHONY: profile-jscheme
+profile-jscheme: $(executable) $(input)
+	opcontrol --start; \
+	echo '(+ 5 6)' | LD_LIBRARY_PATH=$(bld) \
+		$(<) -cp $(cls):$(jscheme) jscheme/REPL; \
+	opcontrol --stop; \
+	opreport -l $(<)
+
 .PHONY: clean
 clean:
 	@echo "removing build"

src/builtin.cpp

@@ -16,10 +16,11 @@ replace(char a, char b, char* c)
 jstring
 Object_toString(Thread* t, jobject this_)
 {
+  unsigned hash = objectHash(t, *this_);
   object s = makeString
-    (t, "%s@%p",
+    (t, "%s@0x%x",
      &byteArrayBody(t, className(t, objectClass(t, *this_)), 0),
-     *this_);
+     hash);
 
   return pushReference(t, s);
 }

src/heap.cpp

@@ -744,7 +744,7 @@ bitsetSet(uintptr_t* p, unsigned i, bool v)
   }
 }
 
-unsigned
+bool
 bitsetHasMore(uintptr_t* p)
 {
   switch (*p) {
@@ -770,7 +770,8 @@ bitsetHasMore(uintptr_t* p)
 unsigned
 bitsetNext(Context* c, uintptr_t* p)
 {
-  assert(c, bitsetHasMore(p));
+  bool more UNUSED = bitsetHasMore(p);
+  assert(c, more);
 
   switch (*p) {
   case 0: abort(c);

src/machine.cpp

@@ -1708,12 +1708,14 @@ isAssignableFrom(Thread* t, object a, object b)
   if (classFlags(t, a) & ACC_INTERFACE) {
     for (; b; b = classSuper(t, b)) {
       object itable = classInterfaceTable(t, b);
+      if (itable) {
         for (unsigned i = 0; i < arrayLength(t, itable); i += 2) {
           if (arrayBody(t, itable, i) == a) {
             return true;
           }
         }
       }
+    }
   } else if (classArrayDimensions(t, a)) {
     if (classArrayDimensions(t, b)) {
       return isAssignableFrom