# HG changeset patch
# User iveresov
# Date 1262845299 28800
# Node ID 9b9c1ee9b3f6e835a4ce9fb7063a8a3cbb9acae2
# Parent  a5a6adfca6ecefb5894a848debabfe442ff50e25# Parent  aad340e07bc41c7b02440b8451c96cf726ca3864
Merge

diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 agent/src/share/classes/sun/jvm/hotspot/memory/SystemDictionary.java
--- a/agent/src/share/classes/sun/jvm/hotspot/memory/SystemDictionary.java	Wed Dec 23 03:12:16 2009 -0800
+++ b/agent/src/share/classes/sun/jvm/hotspot/memory/SystemDictionary.java	Wed Jan 06 22:21:39 2010 -0800
@@ -63,12 +63,12 @@
     javaSystemLoaderField = type.getOopField("_java_system_loader");
     nofBuckets = db.lookupIntConstant("SystemDictionary::_nof_buckets").intValue();
 
-    objectKlassField = type.getOopField(WK_KLASS("object_klass"));
-    classLoaderKlassField = type.getOopField(WK_KLASS("classloader_klass"));
-    stringKlassField = type.getOopField(WK_KLASS("string_klass"));
-    systemKlassField = type.getOopField(WK_KLASS("system_klass"));
-    threadKlassField = type.getOopField(WK_KLASS("thread_klass"));
-    threadGroupKlassField = type.getOopField(WK_KLASS("threadGroup_klass"));
+    objectKlassField = type.getOopField(WK_KLASS("Object_klass"));
+    classLoaderKlassField = type.getOopField(WK_KLASS("ClassLoader_klass"));
+    stringKlassField = type.getOopField(WK_KLASS("String_klass"));
+    systemKlassField = type.getOopField(WK_KLASS("System_klass"));
+    threadKlassField = type.getOopField(WK_KLASS("Thread_klass"));
+    threadGroupKlassField = type.getOopField(WK_KLASS("ThreadGroup_klass"));
   }
 
   // This WK functions must follow the definitions in systemDictionary.hpp:
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/cpu/sparc/vm/sparc.ad
--- a/src/cpu/sparc/vm/sparc.ad	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/cpu/sparc/vm/sparc.ad	Wed Jan 06 22:21:39 2010 -0800
@@ -1885,6 +1885,10 @@
   return RegMask();
 }
 
+const RegMask Matcher::method_handle_invoke_SP_save_mask() {
+  return RegMask();
+}
+
 %}
 
 
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/cpu/x86/vm/frame_x86.cpp
--- a/src/cpu/x86/vm/frame_x86.cpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/cpu/x86/vm/frame_x86.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -330,6 +330,14 @@
   // This is the sp before any possible extension (adapter/locals).
   intptr_t* unextended_sp = interpreter_frame_sender_sp();
 
+  address sender_pc = this->sender_pc();
+  CodeBlob* sender_cb = CodeCache::find_blob_unsafe(sender_pc);
+  assert(sender_cb, "sanity");
+  nmethod* sender_nm = sender_cb->as_nmethod_or_null();
+  if (sender_nm != NULL && sender_nm->is_method_handle_return(sender_pc)) {
+    unextended_sp = (intptr_t*) at(link_offset);
+  }
+
   // The interpreter and compiler(s) always save EBP/RBP in a known
   // location on entry. We must record where that location is
   // so this if EBP/RBP was live on callout from c2 we can find
@@ -352,7 +360,7 @@
 #endif // AMD64
   }
 #endif /* COMPILER2 */
-  return frame(sp, unextended_sp, link(), sender_pc());
+  return frame(sp, unextended_sp, link(), sender_pc);
 }
 
 
@@ -375,6 +383,18 @@
 
   intptr_t *saved_fp = (intptr_t*)*(sender_sp - frame::sender_sp_offset);
 
+  intptr_t* unextended_sp = sender_sp;
+  // If we are returning to a compiled method handle call site,
+  // the saved_fp will in fact be a saved value of the unextended SP.
+  // The simplest way to tell whether we are returning to such a call
+  // site is as follows:
+  CodeBlob* sender_cb = CodeCache::find_blob_unsafe(sender_pc);
+  assert(sender_cb, "sanity");
+  nmethod* sender_nm = sender_cb->as_nmethod_or_null();
+  if (sender_nm != NULL && sender_nm->is_method_handle_return(sender_pc)) {
+    unextended_sp = saved_fp;
+  }
+
   if (map->update_map()) {
     // Tell GC to use argument oopmaps for some runtime stubs that need it.
     // For C1, the runtime stub might not have oop maps, so set this flag
@@ -399,7 +419,7 @@
   }
 
   assert(sender_sp != sp(), "must have changed");
-  return frame(sender_sp, saved_fp, sender_pc);
+  return frame(sender_sp, unextended_sp, saved_fp, sender_pc);
 }
 
 frame frame::sender(RegisterMap* map) const {
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/cpu/x86/vm/frame_x86.inline.hpp
--- a/src/cpu/x86/vm/frame_x86.inline.hpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/cpu/x86/vm/frame_x86.inline.hpp	Wed Jan 06 22:21:39 2010 -0800
@@ -225,11 +225,12 @@
 // top of expression stack
 inline intptr_t* frame::interpreter_frame_tos_address() const {
   intptr_t* last_sp = interpreter_frame_last_sp();
-  if (last_sp == NULL ) {
+  if (last_sp == NULL) {
     return sp();
   } else {
-    // sp() may have been extended by an adapter
-    assert(last_sp < fp() && last_sp >= sp(), "bad tos");
+    // sp() may have been extended or shrunk by an adapter.  At least
+    // check that we don't fall behind the legal region.
+    assert(last_sp < (intptr_t*) interpreter_frame_monitor_begin(), "bad tos");
     return last_sp;
   }
 }
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/cpu/x86/vm/methodHandles_x86.cpp
--- a/src/cpu/x86/vm/methodHandles_x86.cpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/cpu/x86/vm/methodHandles_x86.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -65,9 +65,9 @@
   // Verify that argslot lies within (rsp, rbp].
   Label L_ok, L_bad;
   __ cmpptr(rax_argslot, rbp);
-  __ jcc(Assembler::above, L_bad);
+  __ jccb(Assembler::above, L_bad);
   __ cmpptr(rsp, rax_argslot);
-  __ jcc(Assembler::below, L_ok);
+  __ jccb(Assembler::below, L_ok);
   __ bind(L_bad);
   __ stop(error_message);
   __ bind(L_ok);
@@ -136,9 +136,9 @@
   if (arg_slots.is_register()) {
     Label L_ok, L_bad;
     __ cmpptr(arg_slots.as_register(), (int32_t) NULL_WORD);
-    __ jcc(Assembler::greater, L_bad);
+    __ jccb(Assembler::greater, L_bad);
     __ testl(arg_slots.as_register(), -stack_move_unit() - 1);
-    __ jcc(Assembler::zero, L_ok);
+    __ jccb(Assembler::zero, L_ok);
     __ bind(L_bad);
     __ stop("assert arg_slots <= 0 and clear low bits");
     __ bind(L_ok);
@@ -173,7 +173,7 @@
     __ movptr(Address(rdx_temp, arg_slots, Address::times_ptr), rbx_temp);
     __ addptr(rdx_temp, wordSize);
     __ cmpptr(rdx_temp, rax_argslot);
-    __ jcc(Assembler::less, loop);
+    __ jccb(Assembler::less, loop);
   }
 
   // Now move the argslot down, to point to the opened-up space.
@@ -211,9 +211,9 @@
     Label L_ok, L_bad;
     __ lea(rbx_temp, Address(rax_argslot, arg_slots, Address::times_ptr));
     __ cmpptr(rbx_temp, rbp);
-    __ jcc(Assembler::above, L_bad);
+    __ jccb(Assembler::above, L_bad);
     __ cmpptr(rsp, rax_argslot);
-    __ jcc(Assembler::below, L_ok);
+    __ jccb(Assembler::below, L_ok);
     __ bind(L_bad);
     __ stop("deleted argument(s) must fall within current frame");
     __ bind(L_ok);
@@ -221,9 +221,9 @@
   if (arg_slots.is_register()) {
     Label L_ok, L_bad;
     __ cmpptr(arg_slots.as_register(), (int32_t) NULL_WORD);
-    __ jcc(Assembler::less, L_bad);
+    __ jccb(Assembler::less, L_bad);
     __ testl(arg_slots.as_register(), -stack_move_unit() - 1);
-    __ jcc(Assembler::zero, L_ok);
+    __ jccb(Assembler::zero, L_ok);
     __ bind(L_bad);
     __ stop("assert arg_slots >= 0 and clear low bits");
     __ bind(L_ok);
@@ -258,7 +258,7 @@
     __ movptr(Address(rdx_temp, arg_slots, Address::times_ptr), rbx_temp);
     __ addptr(rdx_temp, -wordSize);
     __ cmpptr(rdx_temp, rsp);
-    __ jcc(Assembler::greaterEqual, loop);
+    __ jccb(Assembler::greaterEqual, loop);
   }
 
   // Now move the argslot up, to point to the just-copied block.
@@ -268,8 +268,9 @@
 }
 
 #ifndef PRODUCT
+extern "C" void print_method_handle(oop mh);
 void trace_method_handle_stub(const char* adaptername,
-                              oopDesc* mh,
+                              oop mh,
                               intptr_t* entry_sp,
                               intptr_t* saved_sp,
                               intptr_t* saved_bp) {
@@ -280,6 +281,7 @@
          adaptername, (intptr_t)mh, (intptr_t)entry_sp, (intptr_t)(saved_sp - entry_sp), (intptr_t)(base_sp - last_sp), (intptr_t)saved_bp);
   if (last_sp != saved_sp)
     printf("*** last_sp="INTPTR_FORMAT"\n", (intptr_t)last_sp);
+  if (Verbose)  print_method_handle(mh);
 }
 #endif //PRODUCT
 
@@ -382,11 +384,11 @@
       // FIXME: fill in _raise_exception_method with a suitable sun.dyn method
       __ movptr(rbx_method, ExternalAddress((address) &_raise_exception_method));
       __ testptr(rbx_method, rbx_method);
-      __ jcc(Assembler::zero, no_method);
+      __ jccb(Assembler::zero, no_method);
       int jobject_oop_offset = 0;
       __ movptr(rbx_method, Address(rbx_method, jobject_oop_offset));  // dereference the jobject
       __ testptr(rbx_method, rbx_method);
-      __ jcc(Assembler::zero, no_method);
+      __ jccb(Assembler::zero, no_method);
       __ verify_oop(rbx_method);
       __ push(rdi_pc);          // and restore caller PC
       __ jmp(rbx_method_fie);
@@ -533,16 +535,15 @@
       if (arg_type == T_OBJECT) {
         __ movptr(Address(rax_argslot, 0), rbx_temp);
       } else {
-        __ load_sized_value(rbx_temp, prim_value_addr,
+        __ load_sized_value(rdx_temp, prim_value_addr,
                             type2aelembytes(arg_type), is_signed_subword_type(arg_type));
-        __ movptr(Address(rax_argslot, 0), rbx_temp);
+        __ movptr(Address(rax_argslot, 0), rdx_temp);
 #ifndef _LP64
         if (arg_slots == 2) {
-          __ movl(rbx_temp, prim_value_addr.plus_disp(wordSize));
-          __ movl(Address(rax_argslot, Interpreter::stackElementSize()), rbx_temp);
+          __ movl(rdx_temp, prim_value_addr.plus_disp(wordSize));
+          __ movl(Address(rax_argslot, Interpreter::stackElementSize()), rdx_temp);
         }
 #endif //_LP64
-        break;
       }
 
       if (direct_to_method) {
@@ -584,7 +585,7 @@
       Label done;
       __ movptr(rdx_temp, vmarg);
       __ testl(rdx_temp, rdx_temp);
-      __ jcc(Assembler::zero, done);          // no cast if null
+      __ jccb(Assembler::zero, done);         // no cast if null
       __ load_klass(rdx_temp, rdx_temp);
 
       // live at this point:
@@ -675,24 +676,24 @@
       // (now we are done with the old MH)
 
       // original 32-bit vmdata word must be of this form:
-      //    | MBZ:16 | signBitCount:8 | srcDstTypes:8 | conversionOp:8 |
-      __ xchgl(rcx, rbx_vminfo);                // free rcx for shifts
+      //    | MBZ:6 | signBitCount:8 | srcDstTypes:8 | conversionOp:8 |
+      __ xchgptr(rcx, rbx_vminfo);                // free rcx for shifts
       __ shll(rdx_temp /*, rcx*/);
       Label zero_extend, done;
       __ testl(rcx, CONV_VMINFO_SIGN_FLAG);
-      __ jcc(Assembler::zero, zero_extend);
+      __ jccb(Assembler::zero, zero_extend);
 
       // this path is taken for int->byte, int->short
       __ sarl(rdx_temp /*, rcx*/);
-      __ jmp(done);
+      __ jmpb(done);
 
       __ bind(zero_extend);
       // this is taken for int->char
       __ shrl(rdx_temp /*, rcx*/);
 
       __ bind(done);
-      __ movptr(vmarg, rdx_temp);
-      __ xchgl(rcx, rbx_vminfo);                // restore rcx_recv
+      __ movl(vmarg, rdx_temp);
+      __ xchgptr(rcx, rbx_vminfo);                // restore rcx_recv
 
       __ jump_to_method_handle_entry(rcx_recv, rdx_temp);
     }
@@ -861,7 +862,7 @@
             // Verify that argslot > destslot, by at least swap_bytes.
             Label L_ok;
             __ cmpptr(rax_argslot, rbx_destslot);
-            __ jcc(Assembler::aboveEqual, L_ok);
+            __ jccb(Assembler::aboveEqual, L_ok);
             __ stop("source must be above destination (upward rotation)");
             __ bind(L_ok);
           }
@@ -877,7 +878,7 @@
           __ movptr(Address(rax_argslot, swap_bytes), rdx_temp);
           __ addptr(rax_argslot, -wordSize);
           __ cmpptr(rax_argslot, rbx_destslot);
-          __ jcc(Assembler::aboveEqual, loop);
+          __ jccb(Assembler::aboveEqual, loop);
         } else {
           __ addptr(rax_argslot, swap_bytes);
 #ifdef ASSERT
@@ -885,7 +886,7 @@
             // Verify that argslot < destslot, by at least swap_bytes.
             Label L_ok;
             __ cmpptr(rax_argslot, rbx_destslot);
-            __ jcc(Assembler::belowEqual, L_ok);
+            __ jccb(Assembler::belowEqual, L_ok);
             __ stop("source must be below destination (downward rotation)");
             __ bind(L_ok);
           }
@@ -901,7 +902,7 @@
           __ movptr(Address(rax_argslot, -swap_bytes), rdx_temp);
           __ addptr(rax_argslot, wordSize);
           __ cmpptr(rax_argslot, rbx_destslot);
-          __ jcc(Assembler::belowEqual, loop);
+          __ jccb(Assembler::belowEqual, loop);
         }
 
         // pop the original first chunk into the destination slot, now free
@@ -967,7 +968,7 @@
       __ addptr(rax_argslot, wordSize);
       __ addptr(rdx_newarg, wordSize);
       __ cmpptr(rdx_newarg, rbx_oldarg);
-      __ jcc(Assembler::less, loop);
+      __ jccb(Assembler::less, loop);
 
       __ pop(rdi);              // restore temp
 
@@ -1119,7 +1120,7 @@
         }
         __ addptr(rax_argslot, Interpreter::stackElementSize());
         __ cmpptr(rax_argslot, rdx_argslot_limit);
-        __ jcc(Assembler::less, loop);
+        __ jccb(Assembler::less, loop);
       } else if (length_constant == 0) {
         __ bind(skip_array_check);
         // nothing to copy
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/cpu/x86/vm/runtime_x86_32.cpp
--- a/src/cpu/x86/vm/runtime_x86_32.cpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/cpu/x86/vm/runtime_x86_32.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -43,11 +43,11 @@
 // This code is entered with a jmp.
 //
 // Arguments:
-//   rax,: exception oop
+//   rax: exception oop
 //   rdx: exception pc
 //
 // Results:
-//   rax,: exception oop
+//   rax: exception oop
 //   rdx: exception pc in caller or ???
 //   destination: exception handler of caller
 //
@@ -113,17 +113,17 @@
   __ addptr(rsp, return_off * wordSize);   // Epilog!
   __ pop(rdx); // Exception pc
 
+  // rax: exception handler for given <exception oop/exception pc>
 
-  // rax,: exception handler for given <exception oop/exception pc>
+  // Restore SP from BP if the exception PC is a MethodHandle call.
+  __ cmpl(Address(rcx, JavaThread::is_method_handle_exception_offset()), 0);
+  __ cmovptr(Assembler::notEqual, rsp, rbp);
 
   // We have a handler in rax, (could be deopt blob)
   // rdx - throwing pc, deopt blob will need it.
 
   __ push(rax);
 
-  // rcx contains handler address
-
-  __ get_thread(rcx);           // TLS
   // Get the exception
   __ movptr(rax, Address(rcx, JavaThread::exception_oop_offset()));
   // Get the exception pc in case we are deoptimized
@@ -137,7 +137,7 @@
 
   __ pop(rcx);
 
-  // rax,: exception oop
+  // rax: exception oop
   // rcx: exception handler
   // rdx: exception pc
   __ jmp (rcx);
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/cpu/x86/vm/sharedRuntime_x86_64.cpp
--- a/src/cpu/x86/vm/sharedRuntime_x86_64.cpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/cpu/x86/vm/sharedRuntime_x86_64.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -638,6 +638,10 @@
 
   __ movptr(rax, Address(rsp, 0));
 
+  // Must preserve original SP for loading incoming arguments because
+  // we need to align the outgoing SP for compiled code.
+  __ movptr(r11, rsp);
+
   // Cut-out for having no stack args.  Since up to 2 int/oop args are passed
   // in registers, we will occasionally have no stack args.
   int comp_words_on_stack = 0;
@@ -661,6 +665,10 @@
   // as far as the placement of the call instruction
   __ push(rax);
 
+  // Put saved SP in another register
+  const Register saved_sp = rax;
+  __ movptr(saved_sp, r11);
+
   // Will jump to the compiled code just as if compiled code was doing it.
   // Pre-load the register-jump target early, to schedule it better.
   __ movptr(r11, Address(rbx, in_bytes(methodOopDesc::from_compiled_offset())));
@@ -680,11 +688,7 @@
     assert(!regs[i].second()->is_valid() || regs[i].first()->next() == regs[i].second(),
             "scrambled load targets?");
     // Load in argument order going down.
-    // int ld_off = (total_args_passed + comp_words_on_stack -i)*wordSize;
-    // base ld_off on r13 (sender_sp) as the stack alignment makes offsets from rsp
-    // unpredictable
-    int ld_off = ((total_args_passed - 1) - i)*Interpreter::stackElementSize();
-
+    int ld_off = (total_args_passed - i)*Interpreter::stackElementSize() + Interpreter::value_offset_in_bytes();
     // Point to interpreter value (vs. tag)
     int next_off = ld_off - Interpreter::stackElementSize();
     //
@@ -699,10 +703,14 @@
     if (r_1->is_stack()) {
       // Convert stack slot to an SP offset (+ wordSize to account for return address )
       int st_off = regs[i].first()->reg2stack()*VMRegImpl::stack_slot_size + wordSize;
+
+      // We can use r13 as a temp here because compiled code doesn't need r13 as an input
+      // and if we end up going thru a c2i because of a miss a reasonable value of r13
+      // will be generated.
       if (!r_2->is_valid()) {
         // sign extend???
-        __ movl(rax, Address(r13, ld_off));
-        __ movptr(Address(rsp, st_off), rax);
+        __ movl(r13, Address(saved_sp, ld_off));
+        __ movptr(Address(rsp, st_off), r13);
       } else {
         //
         // We are using two optoregs. This can be either T_OBJECT, T_ADDRESS, T_LONG, or T_DOUBLE
@@ -715,9 +723,9 @@
         // ld_off is MSW so get LSW
         const int offset = (sig_bt[i]==T_LONG||sig_bt[i]==T_DOUBLE)?
                            next_off : ld_off;
-        __ movq(rax, Address(r13, offset));
+        __ movq(r13, Address(saved_sp, offset));
         // st_off is LSW (i.e. reg.first())
-        __ movq(Address(rsp, st_off), rax);
+        __ movq(Address(rsp, st_off), r13);
       }
     } else if (r_1->is_Register()) {  // Register argument
       Register r = r_1->as_Register();
@@ -732,16 +740,16 @@
                            next_off : ld_off;
 
         // this can be a misaligned move
-        __ movq(r, Address(r13, offset));
+        __ movq(r, Address(saved_sp, offset));
       } else {
         // sign extend and use a full word?
-        __ movl(r, Address(r13, ld_off));
+        __ movl(r, Address(saved_sp, ld_off));
       }
     } else {
       if (!r_2->is_valid()) {
-        __ movflt(r_1->as_XMMRegister(), Address(r13, ld_off));
+        __ movflt(r_1->as_XMMRegister(), Address(saved_sp, ld_off));
       } else {
-        __ movdbl(r_1->as_XMMRegister(), Address(r13, next_off));
+        __ movdbl(r_1->as_XMMRegister(), Address(saved_sp, next_off));
       }
     }
   }
@@ -3319,6 +3327,10 @@
 
   // rax: exception handler
 
+  // Restore SP from BP if the exception PC is a MethodHandle call.
+  __ cmpl(Address(r15_thread, JavaThread::is_method_handle_exception_offset()), 0);
+  __ cmovptr(Assembler::notEqual, rsp, rbp);
+
   // We have a handler in rax (could be deopt blob).
   __ mov(r8, rax);
 
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/cpu/x86/vm/templateInterpreter_x86_32.cpp
--- a/src/cpu/x86/vm/templateInterpreter_x86_32.cpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/cpu/x86/vm/templateInterpreter_x86_32.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -1488,7 +1488,10 @@
 
   if (interpreter_frame != NULL) {
 #ifdef ASSERT
-    assert(caller->unextended_sp() == interpreter_frame->interpreter_frame_sender_sp(), "Frame not properly walkable");
+    if (!EnableMethodHandles)
+      // @@@ FIXME: Should we correct interpreter_frame_sender_sp in the calling sequences?
+      // Probably, since deoptimization doesn't work yet.
+      assert(caller->unextended_sp() == interpreter_frame->interpreter_frame_sender_sp(), "Frame not properly walkable");
     assert(caller->sp() == interpreter_frame->sender_sp(), "Frame not properly walkable(2)");
 #endif
 
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/cpu/x86/vm/templateInterpreter_x86_64.cpp
--- a/src/cpu/x86/vm/templateInterpreter_x86_64.cpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/cpu/x86/vm/templateInterpreter_x86_64.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -449,8 +449,12 @@
   __ addptr(rax, stack_base);
   __ subptr(rax, stack_size);
 
+  // Use the maximum number of pages we might bang.
+  const int max_pages = StackShadowPages > (StackRedPages+StackYellowPages) ? StackShadowPages :
+                                                                              (StackRedPages+StackYellowPages);
+
   // add in the red and yellow zone sizes
-  __ addptr(rax, (StackRedPages + StackYellowPages) * page_size);
+  __ addptr(rax, max_pages * page_size);
 
   // check against the current stack bottom
   __ cmpptr(rsp, rax);
@@ -1502,8 +1506,10 @@
          tempcount* Interpreter::stackElementWords() + popframe_extra_args;
   if (interpreter_frame != NULL) {
 #ifdef ASSERT
-    assert(caller->unextended_sp() == interpreter_frame->interpreter_frame_sender_sp(),
-           "Frame not properly walkable");
+    if (!EnableMethodHandles)
+      // @@@ FIXME: Should we correct interpreter_frame_sender_sp in the calling sequences?
+      // Probably, since deoptimization doesn't work yet.
+      assert(caller->unextended_sp() == interpreter_frame->interpreter_frame_sender_sp(), "Frame not properly walkable");
     assert(caller->sp() == interpreter_frame->sender_sp(), "Frame not properly walkable(2)");
 #endif
 
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/cpu/x86/vm/x86_32.ad
--- a/src/cpu/x86/vm/x86_32.ad	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/cpu/x86/vm/x86_32.ad	Wed Jan 06 22:21:39 2010 -0800
@@ -268,22 +268,36 @@
 static jlong *float_signflip_pool  = double_quadword(&fp_signmask_pool[3*2], CONST64(0x8000000080000000), CONST64(0x8000000080000000));
 static jlong *double_signflip_pool = double_quadword(&fp_signmask_pool[4*2], CONST64(0x8000000000000000), CONST64(0x8000000000000000));
 
+// Offset hacking within calls.
+static int pre_call_FPU_size() {
+  if (Compile::current()->in_24_bit_fp_mode())
+    return 6; // fldcw
+  return 0;
+}
+
+static int preserve_SP_size() {
+  return LP64_ONLY(1 +) 2;  // [rex,] op, rm(reg/reg)
+}
+
 // !!!!! Special hack to get all type of calls to specify the byte offset
 //       from the start of the call to the point where the return address
 //       will point.
 int MachCallStaticJavaNode::ret_addr_offset() {
-  return 5 + (Compile::current()->in_24_bit_fp_mode() ? 6 : 0);  // 5 bytes from start of call to where return address points
+  int offset = 5 + pre_call_FPU_size();  // 5 bytes from start of call to where return address points
+  if (_method_handle_invoke)
+    offset += preserve_SP_size();
+  return offset;
 }
 
 int MachCallDynamicJavaNode::ret_addr_offset() {
-  return 10 + (Compile::current()->in_24_bit_fp_mode() ? 6 : 0);  // 10 bytes from start of call to where return address points
+  return 10 + pre_call_FPU_size();  // 10 bytes from start of call to where return address points
 }
 
 static int sizeof_FFree_Float_Stack_All = -1;
 
 int MachCallRuntimeNode::ret_addr_offset() {
   assert(sizeof_FFree_Float_Stack_All != -1, "must have been emitted already");
-  return sizeof_FFree_Float_Stack_All + 5 + (Compile::current()->in_24_bit_fp_mode() ? 6 : 0);
+  return sizeof_FFree_Float_Stack_All + 5 + pre_call_FPU_size();
 }
 
 // Indicate if the safepoint node needs the polling page as an input.
@@ -299,8 +313,16 @@
 // The address of the call instruction needs to be 4-byte aligned to
 // ensure that it does not span a cache line so that it can be patched.
 int CallStaticJavaDirectNode::compute_padding(int current_offset) const {
-  if (Compile::current()->in_24_bit_fp_mode())
-    current_offset += 6;    // skip fldcw in pre_call_FPU, if any
+  current_offset += pre_call_FPU_size();  // skip fldcw, if any
+  current_offset += 1;      // skip call opcode byte
+  return round_to(current_offset, alignment_required()) - current_offset;
+}
+
+// The address of the call instruction needs to be 4-byte aligned to
+// ensure that it does not span a cache line so that it can be patched.
+int CallStaticJavaHandleNode::compute_padding(int current_offset) const {
+  current_offset += pre_call_FPU_size();  // skip fldcw, if any
+  current_offset += preserve_SP_size();   // skip mov rbp, rsp
   current_offset += 1;      // skip call opcode byte
   return round_to(current_offset, alignment_required()) - current_offset;
 }
@@ -308,8 +330,7 @@
 // The address of the call instruction needs to be 4-byte aligned to
 // ensure that it does not span a cache line so that it can be patched.
 int CallDynamicJavaDirectNode::compute_padding(int current_offset) const {
-  if (Compile::current()->in_24_bit_fp_mode())
-    current_offset += 6;    // skip fldcw in pre_call_FPU, if any
+  current_offset += pre_call_FPU_size();  // skip fldcw, if any
   current_offset += 5;      // skip MOV instruction
   current_offset += 1;      // skip call opcode byte
   return round_to(current_offset, alignment_required()) - current_offset;
@@ -1460,6 +1481,10 @@
   return RegMask();
 }
 
+const RegMask Matcher::method_handle_invoke_SP_save_mask() {
+  return EBP_REG_mask;
+}
+
 %}
 
 //----------ENCODING BLOCK-----------------------------------------------------
@@ -1772,10 +1797,13 @@
 
   enc_class pre_call_FPU %{
     // If method sets FPU control word restore it here
+    debug_only(int off0 = cbuf.code_size());
     if( Compile::current()->in_24_bit_fp_mode() ) {
       MacroAssembler masm(&cbuf);
       masm.fldcw(ExternalAddress(StubRoutines::addr_fpu_cntrl_wrd_std()));
     }
+    debug_only(int off1 = cbuf.code_size());
+    assert(off1 - off0 == pre_call_FPU_size(), "correct size prediction");
   %}
 
   enc_class post_call_FPU %{
@@ -1786,6 +1814,21 @@
     }
   %}
 
+  enc_class preserve_SP %{
+    debug_only(int off0 = cbuf.code_size());
+    MacroAssembler _masm(&cbuf);
+    // RBP is preserved across all calls, even compiled calls.
+    // Use it to preserve RSP in places where the callee might change the SP.
+    __ movptr(rbp, rsp);
+    debug_only(int off1 = cbuf.code_size());
+    assert(off1 - off0 == preserve_SP_size(), "correct size prediction");
+  %}
+
+  enc_class restore_SP %{
+    MacroAssembler _masm(&cbuf);
+    __ movptr(rsp, rbp);
+  %}
+
   enc_class Java_Static_Call (method meth) %{    // JAVA STATIC CALL
     // CALL to fixup routine.  Fixup routine uses ScopeDesc info to determine
     // who we intended to call.
@@ -13406,6 +13449,7 @@
 //       compute_padding() functions will have to be adjusted.
 instruct CallStaticJavaDirect(method meth) %{
   match(CallStaticJava);
+  predicate(! ((CallStaticJavaNode*)n)->is_method_handle_invoke());
   effect(USE meth);
 
   ins_cost(300);
@@ -13420,6 +13464,30 @@
   ins_alignment(4);
 %}
 
+// Call Java Static Instruction (method handle version)
+// Note: If this code changes, the corresponding ret_addr_offset() and
+//       compute_padding() functions will have to be adjusted.
+instruct CallStaticJavaHandle(method meth, eBPRegP ebp) %{
+  match(CallStaticJava);
+  predicate(((CallStaticJavaNode*)n)->is_method_handle_invoke());
+  effect(USE meth);
+  // EBP is saved by all callees (for interpreter stack correction).
+  // We use it here for a similar purpose, in {preserve,restore}_SP.
+
+  ins_cost(300);
+  format %{ "CALL,static/MethodHandle " %}
+  opcode(0xE8); /* E8 cd */
+  ins_encode( pre_call_FPU,
+              preserve_SP,
+              Java_Static_Call( meth ),
+              restore_SP,
+              call_epilog,
+              post_call_FPU );
+  ins_pipe( pipe_slow );
+  ins_pc_relative(1);
+  ins_alignment(4);
+%}
+
 // Call Java Dynamic Instruction
 // Note: If this code changes, the corresponding ret_addr_offset() and
 //       compute_padding() functions will have to be adjusted.
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/cpu/x86/vm/x86_64.ad
--- a/src/cpu/x86/vm/x86_64.ad	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/cpu/x86/vm/x86_64.ad	Wed Jan 06 22:21:39 2010 -0800
@@ -551,12 +551,19 @@
 
 #define __ _masm.
 
+static int preserve_SP_size() {
+  return LP64_ONLY(1 +) 2;  // [rex,] op, rm(reg/reg)
+}
+
 // !!!!! Special hack to get all types of calls to specify the byte offset
 //       from the start of the call to the point where the return address
 //       will point.
 int MachCallStaticJavaNode::ret_addr_offset()
 {
-  return 5; // 5 bytes from start of call to where return address points
+  int offset = 5; // 5 bytes from start of call to where return address points
+  if (_method_handle_invoke)
+    offset += preserve_SP_size();
+  return offset;
 }
 
 int MachCallDynamicJavaNode::ret_addr_offset()
@@ -589,6 +596,15 @@
 
 // The address of the call instruction needs to be 4-byte aligned to
 // ensure that it does not span a cache line so that it can be patched.
+int CallStaticJavaHandleNode::compute_padding(int current_offset) const
+{
+  current_offset += preserve_SP_size();   // skip mov rbp, rsp
+  current_offset += 1; // skip call opcode byte
+  return round_to(current_offset, alignment_required()) - current_offset;
+}
+
+// The address of the call instruction needs to be 4-byte aligned to
+// ensure that it does not span a cache line so that it can be patched.
 int CallDynamicJavaDirectNode::compute_padding(int current_offset) const
 {
   current_offset += 11; // skip movq instruction + call opcode byte
@@ -2113,6 +2129,10 @@
   return LONG_RDX_REG_mask;
 }
 
+const RegMask Matcher::method_handle_invoke_SP_save_mask() {
+  return PTR_RBP_REG_mask;
+}
+
 static Address build_address(int b, int i, int s, int d) {
   Register index = as_Register(i);
   Address::ScaleFactor scale = (Address::ScaleFactor)s;
@@ -2608,6 +2628,21 @@
                    RELOC_DISP32);
   %}
 
+  enc_class preserve_SP %{
+    debug_only(int off0 = cbuf.code_size());
+    MacroAssembler _masm(&cbuf);
+    // RBP is preserved across all calls, even compiled calls.
+    // Use it to preserve RSP in places where the callee might change the SP.
+    __ movptr(rbp, rsp);
+    debug_only(int off1 = cbuf.code_size());
+    assert(off1 - off0 == preserve_SP_size(), "correct size prediction");
+  %}
+
+  enc_class restore_SP %{
+    MacroAssembler _masm(&cbuf);
+    __ movptr(rsp, rbp);
+  %}
+
   enc_class Java_Static_Call(method meth)
   %{
     // JAVA STATIC CALL
@@ -12526,9 +12561,9 @@
 // Call Java Static Instruction
 // Note: If this code changes, the corresponding ret_addr_offset() and
 //       compute_padding() functions will have to be adjusted.
-instruct CallStaticJavaDirect(method meth)
-%{
+instruct CallStaticJavaDirect(method meth) %{
   match(CallStaticJava);
+  predicate(!((CallStaticJavaNode*) n)->is_method_handle_invoke());
   effect(USE meth);
 
   ins_cost(300);
@@ -12540,6 +12575,28 @@
   ins_alignment(4);
 %}
 
+// Call Java Static Instruction (method handle version)
+// Note: If this code changes, the corresponding ret_addr_offset() and
+//       compute_padding() functions will have to be adjusted.
+instruct CallStaticJavaHandle(method meth, rbp_RegP rbp) %{
+  match(CallStaticJava);
+  predicate(((CallStaticJavaNode*) n)->is_method_handle_invoke());
+  effect(USE meth);
+  // RBP is saved by all callees (for interpreter stack correction).
+  // We use it here for a similar purpose, in {preserve,restore}_SP.
+
+  ins_cost(300);
+  format %{ "call,static/MethodHandle " %}
+  opcode(0xE8); /* E8 cd */
+  ins_encode(preserve_SP,
+             Java_Static_Call(meth),
+             restore_SP,
+             call_epilog);
+  ins_pipe(pipe_slow);
+  ins_pc_relative(1);
+  ins_alignment(4);
+%}
+
 // Call Java Dynamic Instruction
 // Note: If this code changes, the corresponding ret_addr_offset() and
 //       compute_padding() functions will have to be adjusted.
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/cpu/zero/vm/cppInterpreter_zero.cpp
--- a/src/cpu/zero/vm/cppInterpreter_zero.cpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/cpu/zero/vm/cppInterpreter_zero.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -245,7 +245,7 @@
     if (handlerAddr == NULL) {
       CALL_VM_NOCHECK(InterpreterRuntime::prepare_native_call(thread, method));
       if (HAS_PENDING_EXCEPTION)
-        goto unwind_and_return;
+        goto unlock_unwind_and_return;
 
       handlerAddr = method->signature_handler();
       assert(handlerAddr != NULL, "eh?");
@@ -254,7 +254,7 @@
       CALL_VM_NOCHECK(handlerAddr =
         InterpreterRuntime::slow_signature_handler(thread, method, NULL,NULL));
       if (HAS_PENDING_EXCEPTION)
-        goto unwind_and_return;
+        goto unlock_unwind_and_return;
     }
     handler = \
       InterpreterRuntime::SignatureHandler::from_handlerAddr(handlerAddr);
@@ -365,10 +365,10 @@
   // Reset handle block
   thread->active_handles()->clear();
 
-  // Unlock if necessary.  It seems totally wrong that this
-  // is skipped in the event of an exception but apparently
-  // the template interpreter does this so we do too.
-  if (monitor && !HAS_PENDING_EXCEPTION) {
+ unlock_unwind_and_return:
+
+  // Unlock if necessary
+  if (monitor) {
     BasicLock *lock = monitor->lock();
     markOop header = lock->displaced_header();
     oop rcvr = monitor->obj();
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/c1/c1_IR.hpp
--- a/src/share/vm/c1/c1_IR.hpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/c1/c1_IR.hpp	Wed Jan 06 22:21:39 2010 -0800
@@ -251,8 +251,9 @@
     DebugToken* expvals = recorder->create_scope_values(expressions());
     DebugToken* monvals = recorder->create_monitor_values(monitors());
     // reexecute allowed only for the topmost frame
-    bool      reexecute = topmost ? should_reexecute() : false;
-    recorder->describe_scope(pc_offset, scope()->method(), bci(), reexecute, locvals, expvals, monvals);
+    bool reexecute = topmost ? should_reexecute() : false;
+    bool is_method_handle_invoke = false;
+    recorder->describe_scope(pc_offset, scope()->method(), bci(), reexecute, is_method_handle_invoke, locvals, expvals, monvals);
   }
 };
 
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/c1/c1_Runtime1.cpp
--- a/src/share/vm/c1/c1_Runtime1.cpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/c1/c1_Runtime1.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -425,7 +425,7 @@
   assert(exception.not_null(), "NULL exceptions should be handled by throw_exception");
   assert(exception->is_oop(), "just checking");
   // Check that exception is a subclass of Throwable, otherwise we have a VerifyError
-  if (!(exception->is_a(SystemDictionary::throwable_klass()))) {
+  if (!(exception->is_a(SystemDictionary::Throwable_klass()))) {
     if (ExitVMOnVerifyError) vm_exit(-1);
     ShouldNotReachHere();
   }
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/ci/ciCPCache.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/share/vm/ci/ciCPCache.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -0,0 +1,49 @@
+/*
+ * Copyright 2009 Sun Microsystems, Inc.  All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ */
+
+#include "incls/_precompiled.incl"
+#include "incls/_ciCPCache.cpp.incl"
+
+// ciCPCache
+
+// ------------------------------------------------------------------
+// ciCPCache::get_f1_offset
+size_t ciCPCache::get_f1_offset(int index) {
+  // Calculate the offset from the constantPoolCacheOop to the f1
+  // field.
+  ByteSize f1_offset =
+    constantPoolCacheOopDesc::entry_offset(index) +
+    ConstantPoolCacheEntry::f1_offset();
+
+  return in_bytes(f1_offset);
+}
+
+
+// ------------------------------------------------------------------
+// ciCPCache::print
+//
+// Print debugging information about the cache.
+void ciCPCache::print() {
+  Unimplemented();
+}
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/ci/ciCPCache.hpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/share/vm/ci/ciCPCache.hpp	Wed Jan 06 22:21:39 2010 -0800
@@ -0,0 +1,43 @@
+/*
+ * Copyright 2009 Sun Microsystems, Inc.  All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ */
+
+// ciCPCache
+//
+// This class represents a constant pool cache.
+//
+// Note: This class is called ciCPCache as ciConstantPoolCache is used
+// for something different.
+class ciCPCache : public ciObject {
+public:
+  ciCPCache(constantPoolCacheHandle cpcache) : ciObject(cpcache) {}
+
+  // What kind of ciObject is this?
+  bool is_cpcache() const { return true; }
+
+  // Get the offset in bytes from the oop to the f1 field of the
+  // requested entry.
+  size_t get_f1_offset(int index);
+
+  void print();
+};
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/ci/ciCallSite.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/share/vm/ci/ciCallSite.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -0,0 +1,46 @@
+/*
+ * Copyright 2009 Sun Microsystems, Inc.  All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ */
+
+#include "incls/_precompiled.incl"
+#include "incls/_ciCallSite.cpp.incl"
+
+// ciCallSite
+
+// ------------------------------------------------------------------
+// ciCallSite::get_target
+//
+// Return the target MethodHandle of this CallSite.
+ciMethodHandle* ciCallSite::get_target() const {
+  VM_ENTRY_MARK;
+  oop method_handle_oop = java_dyn_CallSite::target(get_oop());
+  return CURRENT_ENV->get_object(method_handle_oop)->as_method_handle();
+}
+
+// ------------------------------------------------------------------
+// ciCallSite::print
+//
+// Print debugging information about the CallSite.
+void ciCallSite::print() {
+  Unimplemented();
+}
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/ci/ciCallSite.hpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/share/vm/ci/ciCallSite.hpp	Wed Jan 06 22:21:39 2010 -0800
@@ -0,0 +1,39 @@
+/*
+ * Copyright 2009 Sun Microsystems, Inc.  All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ */
+
+// ciCallSite
+//
+// The class represents a java.dyn.CallSite object.
+class ciCallSite : public ciInstance {
+public:
+  ciCallSite(instanceHandle h_i) : ciInstance(h_i) {}
+
+  // What kind of ciObject is this?
+  bool is_call_site() const { return true; }
+
+  // Return the target MethodHandle of this CallSite.
+  ciMethodHandle* get_target() const;
+
+  void print();
+};
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/ci/ciClassList.hpp
--- a/src/share/vm/ci/ciClassList.hpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/ci/ciClassList.hpp	Wed Jan 06 22:21:39 2010 -0800
@@ -25,6 +25,7 @@
 class ciEnv;
 class ciObjectFactory;
 class ciConstantPoolCache;
+class ciCPCache;
 
 class ciField;
 class ciConstant;
@@ -42,6 +43,8 @@
 class ciObject;
 class   ciNullObject;
 class   ciInstance;
+class     ciCallSite;
+class     ciMethodHandle;
 class   ciMethod;
 class   ciMethodData;
 class     ciReceiverTypeData;  // part of ciMethodData
@@ -78,6 +81,7 @@
 // Any more access must be given explicitly.
 #define CI_PACKAGE_ACCESS_TO           \
 friend class ciObjectFactory;          \
+friend class ciCallSite;               \
 friend class ciConstantPoolCache;      \
 friend class ciField;                  \
 friend class ciConstant;               \
@@ -93,6 +97,7 @@
 friend class ciInstance;               \
 friend class ciMethod;                 \
 friend class ciMethodData;             \
+friend class ciMethodHandle;           \
 friend class ciReceiverTypeData;       \
 friend class ciSymbol;                 \
 friend class ciArray;                  \
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/ci/ciEnv.cpp
--- a/src/share/vm/ci/ciEnv.cpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/ci/ciEnv.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -38,17 +38,9 @@
 ciTypeArrayKlassKlass* ciEnv::_type_array_klass_klass_instance;
 ciObjArrayKlassKlass*  ciEnv::_obj_array_klass_klass_instance;
 
-ciInstanceKlass* ciEnv::_ArrayStoreException;
-ciInstanceKlass* ciEnv::_Class;
-ciInstanceKlass* ciEnv::_ClassCastException;
-ciInstanceKlass* ciEnv::_Object;
-ciInstanceKlass* ciEnv::_Throwable;
-ciInstanceKlass* ciEnv::_Thread;
-ciInstanceKlass* ciEnv::_OutOfMemoryError;
-ciInstanceKlass* ciEnv::_String;
-ciInstanceKlass* ciEnv::_StringBuffer;
-ciInstanceKlass* ciEnv::_StringBuilder;
-ciInstanceKlass* ciEnv::_Integer;
+#define WK_KLASS_DEFN(name, ignore_s, ignore_o) ciInstanceKlass* ciEnv::_##name = NULL;
+WK_KLASSES_DO(WK_KLASS_DEFN)
+#undef WK_KLASS_DEFN
 
 ciSymbol*        ciEnv::_unloaded_cisymbol = NULL;
 ciInstanceKlass* ciEnv::_unloaded_ciinstance_klass = NULL;
@@ -442,12 +434,11 @@
 // ciEnv::get_klass_by_index_impl
 //
 // Implementation of get_klass_by_index.
-ciKlass* ciEnv::get_klass_by_index_impl(ciInstanceKlass* accessor,
+ciKlass* ciEnv::get_klass_by_index_impl(constantPoolHandle cpool,
                                         int index,
-                                        bool& is_accessible) {
-  assert(accessor->get_instanceKlass()->is_linked(), "must be linked before accessing constant pool");
+                                        bool& is_accessible,
+                                        ciInstanceKlass* accessor) {
   EXCEPTION_CONTEXT;
-  constantPoolHandle cpool(THREAD, accessor->get_instanceKlass()->constants());
   KlassHandle klass (THREAD, constantPoolOopDesc::klass_at_if_loaded(cpool, index));
   symbolHandle klass_name;
   if (klass.is_null()) {
@@ -509,22 +500,21 @@
 // ciEnv::get_klass_by_index
 //
 // Get a klass from the constant pool.
-ciKlass* ciEnv::get_klass_by_index(ciInstanceKlass* accessor,
+ciKlass* ciEnv::get_klass_by_index(constantPoolHandle cpool,
                                    int index,
-                                   bool& is_accessible) {
-  GUARDED_VM_ENTRY(return get_klass_by_index_impl(accessor, index, is_accessible);)
+                                   bool& is_accessible,
+                                   ciInstanceKlass* accessor) {
+  GUARDED_VM_ENTRY(return get_klass_by_index_impl(cpool, index, is_accessible, accessor);)
 }
 
 // ------------------------------------------------------------------
 // ciEnv::get_constant_by_index_impl
 //
 // Implementation of get_constant_by_index().
-ciConstant ciEnv::get_constant_by_index_impl(ciInstanceKlass* accessor,
-                                             int index) {
+ciConstant ciEnv::get_constant_by_index_impl(constantPoolHandle cpool,
+                                             int index,
+                                             ciInstanceKlass* accessor) {
   EXCEPTION_CONTEXT;
-  instanceKlass* ik_accessor = accessor->get_instanceKlass();
-  assert(ik_accessor->is_linked(), "must be linked before accessing constant pool");
-  constantPoolOop cpool = ik_accessor->constants();
   constantTag tag = cpool->tag_at(index);
   if (tag.is_int()) {
     return ciConstant(T_INT, (jint)cpool->int_at(index));
@@ -552,7 +542,7 @@
   } else if (tag.is_klass() || tag.is_unresolved_klass()) {
     // 4881222: allow ldc to take a class type
     bool ignore;
-    ciKlass* klass = get_klass_by_index_impl(accessor, index, ignore);
+    ciKlass* klass = get_klass_by_index_impl(cpool, index, ignore, accessor);
     if (HAS_PENDING_EXCEPTION) {
       CLEAR_PENDING_EXCEPTION;
       record_out_of_memory_failure();
@@ -561,6 +551,11 @@
     assert (klass->is_instance_klass() || klass->is_array_klass(),
             "must be an instance or array klass ");
     return ciConstant(T_OBJECT, klass);
+  } else if (tag.is_object()) {
+    oop obj = cpool->object_at(index);
+    assert(obj->is_instance(), "must be an instance");
+    ciObject* ciobj = get_object(obj);
+    return ciConstant(T_OBJECT, ciobj);
   } else {
     ShouldNotReachHere();
     return ciConstant();
@@ -597,9 +592,10 @@
 // Pull a constant out of the constant pool.  How appropriate.
 //
 // Implementation note: this query is currently in no way cached.
-ciConstant ciEnv::get_constant_by_index(ciInstanceKlass* accessor,
-                                        int index) {
-  GUARDED_VM_ENTRY(return get_constant_by_index_impl(accessor, index); )
+ciConstant ciEnv::get_constant_by_index(constantPoolHandle cpool,
+                                        int index,
+                                        ciInstanceKlass* accessor) {
+  GUARDED_VM_ENTRY(return get_constant_by_index_impl(cpool, index, accessor);)
 }
 
 // ------------------------------------------------------------------
@@ -609,7 +605,7 @@
 //
 // Implementation note: this query is currently in no way cached.
 bool ciEnv::is_unresolved_string(ciInstanceKlass* accessor,
-                                        int index) const {
+                                 int index) const {
   GUARDED_VM_ENTRY(return is_unresolved_string_impl(accessor->get_instanceKlass(), index); )
 }
 
@@ -620,7 +616,7 @@
 //
 // Implementation note: this query is currently in no way cached.
 bool ciEnv::is_unresolved_klass(ciInstanceKlass* accessor,
-                                        int index) const {
+                                int index) const {
   GUARDED_VM_ENTRY(return is_unresolved_klass_impl(accessor->get_instanceKlass(), index); )
 }
 
@@ -701,15 +697,12 @@
 
 // ------------------------------------------------------------------
 // ciEnv::get_method_by_index_impl
-ciMethod* ciEnv::get_method_by_index_impl(ciInstanceKlass* accessor,
-                                     int index, Bytecodes::Code bc) {
-  // Get the method's declared holder.
-
-  assert(accessor->get_instanceKlass()->is_linked(), "must be linked before accessing constant pool");
-  constantPoolHandle cpool = accessor->get_instanceKlass()->constants();
+ciMethod* ciEnv::get_method_by_index_impl(constantPoolHandle cpool,
+                                          int index, Bytecodes::Code bc,
+                                          ciInstanceKlass* accessor) {
   int holder_index = cpool->klass_ref_index_at(index);
   bool holder_is_accessible;
-  ciKlass* holder = get_klass_by_index_impl(accessor, holder_index, holder_is_accessible);
+  ciKlass* holder = get_klass_by_index_impl(cpool, holder_index, holder_is_accessible, accessor);
   ciInstanceKlass* declared_holder = get_instance_klass_for_declared_method_holder(holder);
 
   // Get the method's name and signature.
@@ -736,6 +729,33 @@
 
 
 // ------------------------------------------------------------------
+// ciEnv::get_fake_invokedynamic_method_impl
+ciMethod* ciEnv::get_fake_invokedynamic_method_impl(constantPoolHandle cpool,
+                                                    int index, Bytecodes::Code bc) {
+  assert(bc == Bytecodes::_invokedynamic, "must be invokedynamic");
+
+  // Get the CallSite from the constant pool cache.
+  ConstantPoolCacheEntry* cpc_entry = cpool->cache()->secondary_entry_at(index);
+  assert(cpc_entry != NULL && cpc_entry->is_secondary_entry(), "sanity");
+  Handle call_site = cpc_entry->f1();
+
+  // Call site might not be linked yet.
+  if (call_site.is_null()) {
+    ciInstanceKlass* mh_klass = get_object(SystemDictionary::MethodHandle_klass())->as_instance_klass();
+    ciSymbol*       sig_sym   = get_object(cpool->signature_ref_at(index))->as_symbol();
+    return get_unloaded_method(mh_klass, ciSymbol::invoke_name(), sig_sym);
+  }
+
+  // Get the methodOop from the CallSite.
+  methodOop method_oop = (methodOop) java_dyn_CallSite::vmmethod(call_site());
+  assert(method_oop != NULL, "sanity");
+  assert(method_oop->is_method_handle_invoke(), "consistent");
+
+  return get_object(method_oop)->as_method();
+}
+
+
+// ------------------------------------------------------------------
 // ciEnv::get_instance_klass_for_declared_method_holder
 ciInstanceKlass* ciEnv::get_instance_klass_for_declared_method_holder(ciKlass* method_holder) {
   // For the case of <array>.clone(), the method holder can be a ciArrayKlass
@@ -757,15 +777,19 @@
 }
 
 
-
-
 // ------------------------------------------------------------------
 // ciEnv::get_method_by_index
-ciMethod* ciEnv::get_method_by_index(ciInstanceKlass* accessor,
-                                     int index, Bytecodes::Code bc) {
-  GUARDED_VM_ENTRY(return get_method_by_index_impl(accessor, index, bc);)
+ciMethod* ciEnv::get_method_by_index(constantPoolHandle cpool,
+                                     int index, Bytecodes::Code bc,
+                                     ciInstanceKlass* accessor) {
+  if (bc == Bytecodes::_invokedynamic) {
+    GUARDED_VM_ENTRY(return get_fake_invokedynamic_method_impl(cpool, index, bc);)
+  } else {
+    GUARDED_VM_ENTRY(return get_method_by_index_impl(cpool, index, bc, accessor);)
+  }
 }
 
+
 // ------------------------------------------------------------------
 // ciEnv::name_buffer
 char *ciEnv::name_buffer(int req_len) {
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/ci/ciEnv.hpp
--- a/src/share/vm/ci/ciEnv.hpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/ci/ciEnv.hpp	Wed Jan 06 22:21:39 2010 -0800
@@ -74,17 +74,9 @@
   static ciTypeArrayKlassKlass* _type_array_klass_klass_instance;
   static ciObjArrayKlassKlass*  _obj_array_klass_klass_instance;
 
-  static ciInstanceKlass* _ArrayStoreException;
-  static ciInstanceKlass* _Class;
-  static ciInstanceKlass* _ClassCastException;
-  static ciInstanceKlass* _Object;
-  static ciInstanceKlass* _Throwable;
-  static ciInstanceKlass* _Thread;
-  static ciInstanceKlass* _OutOfMemoryError;
-  static ciInstanceKlass* _String;
-  static ciInstanceKlass* _StringBuffer;
-  static ciInstanceKlass* _StringBuilder;
-  static ciInstanceKlass* _Integer;
+#define WK_KLASS_DECL(name, ignore_s, ignore_o) static ciInstanceKlass* _##name;
+  WK_KLASSES_DO(WK_KLASS_DECL)
+#undef WK_KLASS_DECL
 
   static ciSymbol*        _unloaded_cisymbol;
   static ciInstanceKlass* _unloaded_ciinstance_klass;
@@ -120,37 +112,45 @@
                              bool require_local);
 
   // Constant pool access.
-  ciKlass*   get_klass_by_index(ciInstanceKlass* loading_klass,
+  ciKlass*   get_klass_by_index(constantPoolHandle cpool,
                                 int klass_index,
-                                bool& is_accessible);
-  ciConstant get_constant_by_index(ciInstanceKlass* loading_klass,
-                                   int constant_index);
+                                bool& is_accessible,
+                                ciInstanceKlass* loading_klass);
+  ciConstant get_constant_by_index(constantPoolHandle cpool,
+                                   int constant_index,
+                                   ciInstanceKlass* accessor);
   bool       is_unresolved_string(ciInstanceKlass* loading_klass,
                                    int constant_index) const;
   bool       is_unresolved_klass(ciInstanceKlass* loading_klass,
                                    int constant_index) const;
   ciField*   get_field_by_index(ciInstanceKlass* loading_klass,
                                 int field_index);
-  ciMethod*  get_method_by_index(ciInstanceKlass* loading_klass,
-                                 int method_index, Bytecodes::Code bc);
+  ciMethod*  get_method_by_index(constantPoolHandle cpool,
+                                 int method_index, Bytecodes::Code bc,
+                                 ciInstanceKlass* loading_klass);
 
   // Implementation methods for loading and constant pool access.
   ciKlass* get_klass_by_name_impl(ciKlass* accessing_klass,
                                   ciSymbol* klass_name,
                                   bool require_local);
-  ciKlass*   get_klass_by_index_impl(ciInstanceKlass* loading_klass,
+  ciKlass*   get_klass_by_index_impl(constantPoolHandle cpool,
                                      int klass_index,
-                                     bool& is_accessible);
-  ciConstant get_constant_by_index_impl(ciInstanceKlass* loading_klass,
-                                        int constant_index);
+                                     bool& is_accessible,
+                                     ciInstanceKlass* loading_klass);
+  ciConstant get_constant_by_index_impl(constantPoolHandle cpool,
+                                        int constant_index,
+                                        ciInstanceKlass* loading_klass);
   bool       is_unresolved_string_impl (instanceKlass* loading_klass,
                                         int constant_index) const;
   bool       is_unresolved_klass_impl (instanceKlass* loading_klass,
                                         int constant_index) const;
   ciField*   get_field_by_index_impl(ciInstanceKlass* loading_klass,
                                      int field_index);
-  ciMethod*  get_method_by_index_impl(ciInstanceKlass* loading_klass,
-                                      int method_index, Bytecodes::Code bc);
+  ciMethod*  get_method_by_index_impl(constantPoolHandle cpool,
+                                      int method_index, Bytecodes::Code bc,
+                                      ciInstanceKlass* loading_klass);
+  ciMethod*  get_fake_invokedynamic_method_impl(constantPoolHandle cpool,
+                                                int index, Bytecodes::Code bc);
 
   // Helper methods
   bool       check_klass_accessibility(ciKlass* accessing_klass,
@@ -292,39 +292,13 @@
 
 
   // Access to certain well known ciObjects.
-  ciInstanceKlass* ArrayStoreException_klass() {
-    return _ArrayStoreException;
-  }
-  ciInstanceKlass* Class_klass() {
-    return _Class;
-  }
-  ciInstanceKlass* ClassCastException_klass() {
-    return _ClassCastException;
-  }
-  ciInstanceKlass* Object_klass() {
-    return _Object;
-  }
-  ciInstanceKlass* Throwable_klass() {
-    return _Throwable;
+#define WK_KLASS_FUNC(name, ignore_s, ignore_o) \
+  ciInstanceKlass* name() { \
+    return _##name;\
   }
-  ciInstanceKlass* Thread_klass() {
-    return _Thread;
-  }
-  ciInstanceKlass* OutOfMemoryError_klass() {
-    return _OutOfMemoryError;
-  }
-  ciInstanceKlass* String_klass() {
-    return _String;
-  }
-  ciInstanceKlass* StringBuilder_klass() {
-    return _StringBuilder;
-  }
-  ciInstanceKlass* StringBuffer_klass() {
-    return _StringBuffer;
-  }
-  ciInstanceKlass* Integer_klass() {
-    return _Integer;
-  }
+  WK_KLASSES_DO(WK_KLASS_FUNC)
+#undef WK_KLASS_FUNC
+
   ciInstance* NullPointerException_instance() {
     assert(_NullPointerException_instance != NULL, "initialization problem");
     return _NullPointerException_instance;
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/ci/ciExceptionHandler.cpp
--- a/src/share/vm/ci/ciExceptionHandler.cpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/ci/ciExceptionHandler.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright 1999-2003 Sun Microsystems, Inc.  All Rights Reserved.
+ * Copyright 1999-2009 Sun Microsystems, Inc.  All Rights Reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -34,12 +34,16 @@
 //
 // Get the exception klass that this handler catches.
 ciInstanceKlass* ciExceptionHandler::catch_klass() {
+  VM_ENTRY_MARK;
   assert(!is_catch_all(), "bad index");
   if (_catch_klass == NULL) {
     bool will_link;
-    ciKlass* k = CURRENT_ENV->get_klass_by_index(_loading_klass,
+    assert(_loading_klass->get_instanceKlass()->is_linked(), "must be linked before accessing constant pool");
+    constantPoolHandle cpool(_loading_klass->get_instanceKlass()->constants());
+    ciKlass* k = CURRENT_ENV->get_klass_by_index(cpool,
                                                  _catch_klass_index,
-                                                 will_link);
+                                                 will_link,
+                                                 _loading_klass);
     if (!will_link && k->is_loaded()) {
       GUARDED_VM_ENTRY(
         k = CURRENT_ENV->get_unloaded_klass(_loading_klass, k->name());
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/ci/ciField.cpp
--- a/src/share/vm/ci/ciField.cpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/ci/ciField.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright 1999-2007 Sun Microsystems, Inc.  All Rights Reserved.
+ * Copyright 1999-2009 Sun Microsystems, Inc.  All Rights Reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -86,7 +86,7 @@
     bool ignore;
     // This is not really a class reference; the index always refers to the
     // field's type signature, as a symbol.  Linkage checks do not apply.
-    _type = ciEnv::current(thread)->get_klass_by_index(klass, sig_index, ignore);
+    _type = ciEnv::current(thread)->get_klass_by_index(cpool, sig_index, ignore, klass);
   } else {
     _type = ciType::make(field_type);
   }
@@ -100,9 +100,9 @@
   int holder_index = cpool->klass_ref_index_at(index);
   bool holder_is_accessible;
   ciInstanceKlass* declared_holder =
-    ciEnv::current(thread)->get_klass_by_index(klass, holder_index,
-                                               holder_is_accessible)
-      ->as_instance_klass();
+    ciEnv::current(thread)->get_klass_by_index(cpool, holder_index,
+                                               holder_is_accessible,
+                                               klass)->as_instance_klass();
 
   // The declared holder of this field may not have been loaded.
   // Bail out with partial field information.
@@ -168,8 +168,18 @@
   _holder = CURRENT_ENV->get_object(fd->field_holder())->as_instance_klass();
 
   // Check to see if the field is constant.
-  if (_holder->is_initialized() &&
-      this->is_final() && this->is_static()) {
+  if (_holder->is_initialized() && this->is_final()) {
+    if (!this->is_static()) {
+      // A field can be constant if it's a final static field or if it's
+      // a final non-static field of a trusted class ({java,sun}.dyn).
+      if (_holder->is_in_package("java/dyn") || _holder->is_in_package("sun/dyn")) {
+        _is_constant = true;
+        return;
+      }
+      _is_constant = false;
+      return;
+    }
+
     // This field just may be constant.  The only cases where it will
     // not be constant are:
     //
@@ -182,8 +192,8 @@
     //    java.lang.System.out, and java.lang.System.err.
 
     klassOop k = _holder->get_klassOop();
-    assert( SystemDictionary::system_klass() != NULL, "Check once per vm");
-    if( k == SystemDictionary::system_klass() ) {
+    assert( SystemDictionary::System_klass() != NULL, "Check once per vm");
+    if( k == SystemDictionary::System_klass() ) {
       // Check offsets for case 2: System.in, System.out, or System.err
       if( _offset == java_lang_System::in_offset_in_bytes()  ||
           _offset == java_lang_System::out_offset_in_bytes() ||
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/ci/ciField.hpp
--- a/src/share/vm/ci/ciField.hpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/ci/ciField.hpp	Wed Jan 06 22:21:39 2010 -0800
@@ -138,10 +138,18 @@
 
   // Get the constant value of this field.
   ciConstant constant_value() {
-    assert(is_constant(), "illegal call to constant_value()");
+    assert(is_static() && is_constant(), "illegal call to constant_value()");
     return _constant_value;
   }
 
+  // Get the constant value of non-static final field in the given
+  // object.
+  ciConstant constant_value_of(ciObject* object) {
+    assert(!is_static() && is_constant(), "only if field is non-static constant");
+    assert(object->is_instance(), "must be instance");
+    return object->as_instance()->field_value(this);
+  }
+
   // Check for link time errors.  Accessing a field from a
   // certain class via a certain bytecode may or may not be legal.
   // This call checks to see if an exception may be raised by
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/ci/ciInstance.cpp
--- a/src/share/vm/ci/ciInstance.cpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/ci/ciInstance.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -36,7 +36,7 @@
   VM_ENTRY_MARK;
   oop m = get_oop();
   // Return NULL if it is not java.lang.Class.
-  if (m == NULL || m->klass() != SystemDictionary::class_klass()) {
+  if (m == NULL || m->klass() != SystemDictionary::Class_klass()) {
     return NULL;
   }
   // Return either a primitive type or a klass.
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/ci/ciInstanceKlass.cpp
--- a/src/share/vm/ci/ciInstanceKlass.cpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/ci/ciInstanceKlass.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -75,7 +75,7 @@
   _java_mirror = NULL;
 
   if (is_shared()) {
-    if (h_k() != SystemDictionary::object_klass()) {
+    if (h_k() != SystemDictionary::Object_klass()) {
       super();
     }
     java_mirror();
@@ -232,8 +232,48 @@
 // ------------------------------------------------------------------
 // ciInstanceKlass::uses_default_loader
 bool ciInstanceKlass::uses_default_loader() {
-  VM_ENTRY_MARK;
-  return loader() == NULL;
+  // Note:  We do not need to resolve the handle or enter the VM
+  // in order to test null-ness.
+  return _loader == NULL;
+}
+
+// ------------------------------------------------------------------
+// ciInstanceKlass::is_in_package
+//
+// Is this klass in the given package?
+bool ciInstanceKlass::is_in_package(const char* packagename, int len) {
+  // To avoid class loader mischief, this test always rejects application classes.
+  if (!uses_default_loader())
+    return false;
+  GUARDED_VM_ENTRY(
+    return is_in_package_impl(packagename, len);
+  )
+}
+
+bool ciInstanceKlass::is_in_package_impl(const char* packagename, int len) {
+  ASSERT_IN_VM;
+
+  // If packagename contains trailing '/' exclude it from the
+  // prefix-test since we test for it explicitly.
+  if (packagename[len - 1] == '/')
+    len--;
+
+  if (!name()->starts_with(packagename, len))
+    return false;
+
+  // Test if the class name is something like "java/lang".
+  if ((len + 1) > name()->utf8_length())
+    return false;
+
+  // Test for trailing '/'
+  if ((char) name()->byte_at(len) != '/')
+    return false;
+
+  // Make sure it's not actually in a subpackage:
+  if (name()->index_of_at(len+1, "/", 1) >= 0)
+    return false;
+
+  return true;
 }
 
 // ------------------------------------------------------------------
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/ci/ciInstanceKlass.hpp
--- a/src/share/vm/ci/ciInstanceKlass.hpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/ci/ciInstanceKlass.hpp	Wed Jan 06 22:21:39 2010 -0800
@@ -29,10 +29,11 @@
 // be loaded.
 class ciInstanceKlass : public ciKlass {
   CI_PACKAGE_ACCESS
+  friend class ciBytecodeStream;
   friend class ciEnv;
+  friend class ciExceptionHandler;
   friend class ciMethod;
   friend class ciField;
-  friend class ciBytecodeStream;
 
 private:
   jobject                _loader;
@@ -78,6 +79,8 @@
 
   const char* type_string() { return "ciInstanceKlass"; }
 
+  bool is_in_package_impl(const char* packagename, int len);
+
   void print_impl(outputStream* st);
 
   ciConstantPoolCache* field_cache();
@@ -196,6 +199,12 @@
 
   bool is_java_lang_Object();
 
+  // Is this klass in the given package?
+  bool is_in_package(const char* packagename) {
+    return is_in_package(packagename, (int) strlen(packagename));
+  }
+  bool is_in_package(const char* packagename, int len);
+
   // What kind of ciObject is this?
   bool is_instance_klass() { return true; }
   bool is_java_klass()     { return true; }
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/ci/ciKlass.cpp
--- a/src/share/vm/ci/ciKlass.cpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/ci/ciKlass.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright 1999-2007 Sun Microsystems, Inc.  All Rights Reserved.
+ * Copyright 1999-2009 Sun Microsystems, Inc.  All Rights Reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/ci/ciKlass.hpp
--- a/src/share/vm/ci/ciKlass.hpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/ci/ciKlass.hpp	Wed Jan 06 22:21:39 2010 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright 1999-2007 Sun Microsystems, Inc.  All Rights Reserved.
+ * Copyright 1999-2009 Sun Microsystems, Inc.  All Rights Reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -69,7 +69,7 @@
   ciKlass(KlassHandle k_h);
 
   // What is the name of this klass?
-  ciSymbol* name() { return _name; }
+  ciSymbol* name() const { return _name; }
 
   // What is its layout helper value?
   jint layout_helper() { return _layout_helper; }
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/ci/ciMethod.cpp
--- a/src/share/vm/ci/ciMethod.cpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/ci/ciMethod.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -687,7 +687,7 @@
 // ------------------------------------------------------------------
 // invokedynamic support
 //
-bool ciMethod::is_method_handle_invoke() {
+bool ciMethod::is_method_handle_invoke() const {
   check_is_loaded();
   bool flag = ((flags().as_int() & JVM_MH_INVOKE_BITS) == JVM_MH_INVOKE_BITS);
 #ifdef ASSERT
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/ci/ciMethod.hpp
--- a/src/share/vm/ci/ciMethod.hpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/ci/ciMethod.hpp	Wed Jan 06 22:21:39 2010 -0800
@@ -38,6 +38,8 @@
   CI_PACKAGE_ACCESS
   friend class ciEnv;
   friend class ciExceptionHandlerStream;
+  friend class ciBytecodeStream;
+  friend class ciMethodHandle;
 
  private:
   // General method information.
@@ -213,7 +215,7 @@
   bool check_call(int refinfo_index, bool is_static) const;
   void build_method_data();  // make sure it exists in the VM also
   int scale_count(int count, float prof_factor = 1.);  // make MDO count commensurate with IIC
-  bool is_method_handle_invoke();
+  bool is_method_handle_invoke() const;
   ciInstance* method_handle_type();
 
   // What kind of ciObject is this?
@@ -251,4 +253,10 @@
   // Print the name of this method in various incarnations.
   void print_name(outputStream* st = tty);
   void print_short_name(outputStream* st = tty);
+
+  methodOop get_method_handle_target() {
+    klassOop receiver_limit_oop = NULL;
+    int flags = 0;
+    return MethodHandles::decode_method(get_oop(), receiver_limit_oop, flags);
+  }
 };
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/ci/ciMethodHandle.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/share/vm/ci/ciMethodHandle.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -0,0 +1,52 @@
+/*
+ * Copyright 2009 Sun Microsystems, Inc.  All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ */
+
+#include "incls/_precompiled.incl"
+#include "incls/_ciMethodHandle.cpp.incl"
+
+// ciMethodHandle
+
+// ------------------------------------------------------------------
+// ciMethodHandle::get_adapter
+//
+// Return an adapter for this MethodHandle.
+ciMethod* ciMethodHandle::get_adapter(bool is_invokedynamic) const {
+  VM_ENTRY_MARK;
+
+  Handle h(get_oop());
+  methodHandle callee(_callee->get_methodOop());
+  MethodHandleCompiler mhc(h, callee, is_invokedynamic, THREAD);
+  methodHandle m = mhc.compile(CHECK_NULL);
+  return CURRENT_ENV->get_object(m())->as_method();
+}
+
+
+// ------------------------------------------------------------------
+// ciMethodHandle::print_impl
+//
+// Implementation of the print method.
+void ciMethodHandle::print_impl(outputStream* st) {
+  st->print(" type=");
+  get_oop()->print();
+}
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/ci/ciMethodHandle.hpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/share/vm/ci/ciMethodHandle.hpp	Wed Jan 06 22:21:39 2010 -0800
@@ -0,0 +1,56 @@
+/*
+ * Copyright 2009 Sun Microsystems, Inc.  All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ */
+
+// ciMethodHandle
+//
+// The class represents a java.dyn.MethodHandle object.
+class ciMethodHandle : public ciInstance {
+private:
+  ciMethod* _callee;
+
+  // Return an adapter for this MethodHandle.
+  ciMethod* get_adapter(bool is_invokedynamic) const;
+
+protected:
+  void print_impl(outputStream* st);
+
+public:
+  ciMethodHandle(instanceHandle h_i) : ciInstance(h_i) {};
+
+  // What kind of ciObject is this?
+  bool is_method_handle() const { return true; }
+
+  ciMethod* callee() const { return _callee; }
+  void  set_callee(ciMethod* m) { _callee = m; }
+
+  // Return an adapter for a MethodHandle call.
+  ciMethod* get_method_handle_adapter() const {
+    return get_adapter(false);
+  }
+
+  // Return an adapter for an invokedynamic call.
+  ciMethod* get_invokedynamic_adapter() const {
+    return get_adapter(true);
+  }
+};
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/ci/ciObject.hpp
--- a/src/share/vm/ci/ciObject.hpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/ci/ciObject.hpp	Wed Jan 06 22:21:39 2010 -0800
@@ -131,9 +131,12 @@
 
   // What kind of ciObject is this?
   virtual bool is_null_object() const       { return false; }
+  virtual bool is_call_site() const         { return false; }
+  virtual bool is_cpcache() const           { return false; }
   virtual bool is_instance()                { return false; }
   virtual bool is_method()                  { return false; }
   virtual bool is_method_data()             { return false; }
+  virtual bool is_method_handle() const     { return false; }
   virtual bool is_array()                   { return false; }
   virtual bool is_obj_array()               { return false; }
   virtual bool is_type_array()              { return false; }
@@ -185,6 +188,14 @@
     assert(is_null_object(), "bad cast");
     return (ciNullObject*)this;
   }
+  ciCallSite*              as_call_site() {
+    assert(is_call_site(), "bad cast");
+    return (ciCallSite*) this;
+  }
+  ciCPCache*               as_cpcache() {
+    assert(is_cpcache(), "bad cast");
+    return (ciCPCache*) this;
+  }
   ciInstance*              as_instance() {
     assert(is_instance(), "bad cast");
     return (ciInstance*)this;
@@ -197,6 +208,10 @@
     assert(is_method_data(), "bad cast");
     return (ciMethodData*)this;
   }
+  ciMethodHandle*          as_method_handle() {
+    assert(is_method_handle(), "bad cast");
+    return (ciMethodHandle*) this;
+  }
   ciArray*                 as_array() {
     assert(is_array(), "bad cast");
     return (ciArray*)this;
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/ci/ciObjectFactory.cpp
--- a/src/share/vm/ci/ciObjectFactory.cpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/ci/ciObjectFactory.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -144,39 +144,13 @@
   ciEnv::_obj_array_klass_klass_instance =
     get(Universe::objArrayKlassKlassObj())
       ->as_obj_array_klass_klass();
-  ciEnv::_ArrayStoreException =
-    get(SystemDictionary::ArrayStoreException_klass())
-      ->as_instance_klass();
-  ciEnv::_Class =
-    get(SystemDictionary::class_klass())
-      ->as_instance_klass();
-  ciEnv::_ClassCastException =
-    get(SystemDictionary::ClassCastException_klass())
-      ->as_instance_klass();
-  ciEnv::_Object =
-    get(SystemDictionary::object_klass())
-      ->as_instance_klass();
-  ciEnv::_Throwable =
-    get(SystemDictionary::throwable_klass())
-      ->as_instance_klass();
-  ciEnv::_Thread =
-    get(SystemDictionary::thread_klass())
-      ->as_instance_klass();
-  ciEnv::_OutOfMemoryError =
-    get(SystemDictionary::OutOfMemoryError_klass())
-      ->as_instance_klass();
-  ciEnv::_String =
-    get(SystemDictionary::string_klass())
-      ->as_instance_klass();
-  ciEnv::_StringBuffer =
-    get(SystemDictionary::stringBuffer_klass())
-      ->as_instance_klass();
-  ciEnv::_StringBuilder =
-    get(SystemDictionary::StringBuilder_klass())
-      ->as_instance_klass();
-  ciEnv::_Integer =
-    get(SystemDictionary::int_klass())
-      ->as_instance_klass();
+
+#define WK_KLASS_DEFN(name, ignore_s, opt)                              \
+  if (SystemDictionary::name() != NULL) \
+    ciEnv::_##name = get(SystemDictionary::name())->as_instance_klass();
+
+  WK_KLASSES_DO(WK_KLASS_DEFN)
+#undef WK_KLASS_DEFN
 
   for (int len = -1; len != _ci_objects->length(); ) {
     len = _ci_objects->length();
@@ -333,13 +307,21 @@
     return new (arena()) ciMethodData(h_md);
   } else if (o->is_instance()) {
     instanceHandle h_i(THREAD, (instanceOop)o);
-    return new (arena()) ciInstance(h_i);
+    if (java_dyn_CallSite::is_instance(o))
+      return new (arena()) ciCallSite(h_i);
+    else if (java_dyn_MethodHandle::is_instance(o))
+      return new (arena()) ciMethodHandle(h_i);
+    else
+      return new (arena()) ciInstance(h_i);
   } else if (o->is_objArray()) {
     objArrayHandle h_oa(THREAD, (objArrayOop)o);
     return new (arena()) ciObjArray(h_oa);
   } else if (o->is_typeArray()) {
     typeArrayHandle h_ta(THREAD, (typeArrayOop)o);
     return new (arena()) ciTypeArray(h_ta);
+  } else if (o->is_constantPoolCache()) {
+    constantPoolCacheHandle h_cpc(THREAD, (constantPoolCacheOop) o);
+    return new (arena()) ciCPCache(h_cpc);
   }
 
   // The oop is of some type not supported by the compiler interface.
@@ -576,7 +558,7 @@
   if (key->is_perm() && _non_perm_count == 0) {
     return emptyBucket;
   } else if (key->is_instance()) {
-    if (key->klass() == SystemDictionary::class_klass()) {
+    if (key->klass() == SystemDictionary::Class_klass()) {
       // class mirror instances are always perm
       return emptyBucket;
     }
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/ci/ciStreams.cpp
--- a/src/share/vm/ci/ciStreams.cpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/ci/ciStreams.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -186,8 +186,9 @@
 // If this bytecode is a new, newarray, multianewarray, instanceof,
 // or checkcast, get the referenced klass.
 ciKlass* ciBytecodeStream::get_klass(bool& will_link) {
-  return CURRENT_ENV->get_klass_by_index(_holder, get_klass_index(),
-                                         will_link);
+  VM_ENTRY_MARK;
+  constantPoolHandle cpool(_method->get_methodOop()->constants());
+  return CURRENT_ENV->get_klass_by_index(cpool, get_klass_index(), will_link, _holder);
 }
 
 // ------------------------------------------------------------------
@@ -213,7 +214,9 @@
 // If this bytecode is one of the ldc variants, get the referenced
 // constant.
 ciConstant ciBytecodeStream::get_constant() {
-  return CURRENT_ENV->get_constant_by_index(_holder, get_constant_index());
+  VM_ENTRY_MARK;
+  constantPoolHandle cpool(_method->get_methodOop()->constants());
+  return CURRENT_ENV->get_constant_by_index(cpool, get_constant_index(), _holder);
 }
 
 // ------------------------------------------------------------------
@@ -264,9 +267,11 @@
 // There is no "will_link" result passed back.  The user is responsible
 // for checking linkability when retrieving the associated field.
 ciInstanceKlass* ciBytecodeStream::get_declared_field_holder() {
+  VM_ENTRY_MARK;
+  constantPoolHandle cpool(_method->get_methodOop()->constants());
   int holder_index = get_field_holder_index();
   bool ignore;
-  return CURRENT_ENV->get_klass_by_index(_holder, holder_index, ignore)
+  return CURRENT_ENV->get_klass_by_index(cpool, holder_index, ignore, _holder)
       ->as_instance_klass();
 }
 
@@ -277,9 +282,10 @@
 // referenced by the current bytecode.  Used for generating
 // deoptimization information.
 int ciBytecodeStream::get_field_holder_index() {
-  VM_ENTRY_MARK;
-  constantPoolOop cpool = _holder->get_instanceKlass()->constants();
-  return cpool->klass_ref_index_at(get_field_index());
+  GUARDED_VM_ENTRY(
+    constantPoolOop cpool = _holder->get_instanceKlass()->constants();
+    return cpool->klass_ref_index_at(get_field_index());
+  )
 }
 
 // ------------------------------------------------------------------
@@ -321,7 +327,9 @@
 //
 // If this is a method invocation bytecode, get the invoked method.
 ciMethod* ciBytecodeStream::get_method(bool& will_link) {
-  ciMethod* m = CURRENT_ENV->get_method_by_index(_holder, get_method_index(),cur_bc());
+  VM_ENTRY_MARK;
+  constantPoolHandle cpool(_method->get_methodOop()->constants());
+  ciMethod* m = CURRENT_ENV->get_method_by_index(cpool, get_method_index(), cur_bc(), _holder);
   will_link = m->is_loaded();
   return m;
 }
@@ -338,11 +346,13 @@
 // There is no "will_link" result passed back.  The user is responsible
 // for checking linkability when retrieving the associated method.
 ciKlass* ciBytecodeStream::get_declared_method_holder() {
+  VM_ENTRY_MARK;
+  constantPoolHandle cpool(_method->get_methodOop()->constants());
   bool ignore;
-  // report as Dynamic for invokedynamic, which is syntactically classless
+  // report as InvokeDynamic for invokedynamic, which is syntactically classless
   if (cur_bc() == Bytecodes::_invokedynamic)
-    return CURRENT_ENV->get_klass_by_name(_holder, ciSymbol::java_dyn_Dynamic(), false);
-  return CURRENT_ENV->get_klass_by_index(_holder, get_method_holder_index(), ignore);
+    return CURRENT_ENV->get_klass_by_name(_holder, ciSymbol::java_dyn_InvokeDynamic(), false);
+  return CURRENT_ENV->get_klass_by_index(cpool, get_method_holder_index(), ignore, _holder);
 }
 
 // ------------------------------------------------------------------
@@ -352,8 +362,7 @@
 // referenced by the current bytecode.  Used for generating
 // deoptimization information.
 int ciBytecodeStream::get_method_holder_index() {
-  VM_ENTRY_MARK;
-  constantPoolOop cpool = _holder->get_instanceKlass()->constants();
+  constantPoolOop cpool = _method->get_methodOop()->constants();
   return cpool->klass_ref_index_at(get_method_index());
 }
 
@@ -370,3 +379,31 @@
   int name_and_type_index = cpool->name_and_type_ref_index_at(method_index);
   return cpool->signature_ref_index_at(name_and_type_index);
 }
+
+// ------------------------------------------------------------------
+// ciBytecodeStream::get_cpcache
+ciCPCache* ciBytecodeStream::get_cpcache() {
+  VM_ENTRY_MARK;
+  // Get the constant pool.
+  constantPoolOop      cpool   = _holder->get_instanceKlass()->constants();
+  constantPoolCacheOop cpcache = cpool->cache();
+
+  return CURRENT_ENV->get_object(cpcache)->as_cpcache();
+}
+
+// ------------------------------------------------------------------
+// ciBytecodeStream::get_call_site
+ciCallSite* ciBytecodeStream::get_call_site() {
+  VM_ENTRY_MARK;
+  // Get the constant pool.
+  constantPoolOop      cpool   = _holder->get_instanceKlass()->constants();
+  constantPoolCacheOop cpcache = cpool->cache();
+
+  // Get the CallSite from the constant pool cache.
+  int method_index = get_method_index();
+  ConstantPoolCacheEntry* cpcache_entry = cpcache->secondary_entry_at(method_index);
+  oop call_site_oop = cpcache_entry->f1();
+
+  // Create a CallSite object and return it.
+  return CURRENT_ENV->get_object(call_site_oop)->as_call_site();
+}
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/ci/ciStreams.hpp
--- a/src/share/vm/ci/ciStreams.hpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/ci/ciStreams.hpp	Wed Jan 06 22:21:39 2010 -0800
@@ -232,6 +232,9 @@
   int       get_method_holder_index();
   int       get_method_signature_index();
 
+  ciCPCache*  get_cpcache();
+  ciCallSite* get_call_site();
+
  private:
   void assert_index_size(int required_size) const {
 #ifdef ASSERT
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/ci/ciSymbol.cpp
--- a/src/share/vm/ci/ciSymbol.cpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/ci/ciSymbol.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright 1999-2007 Sun Microsystems, Inc.  All Rights Reserved.
+ * Copyright 1999-2009 Sun Microsystems, Inc.  All Rights Reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -60,6 +60,22 @@
 }
 
 // ------------------------------------------------------------------
+// ciSymbol::starts_with
+//
+// Tests if the symbol starts with the given prefix.
+bool ciSymbol::starts_with(const char* prefix, int len) const {
+  GUARDED_VM_ENTRY(return get_symbolOop()->starts_with(prefix, len);)
+}
+
+// ------------------------------------------------------------------
+// ciSymbol::index_of
+//
+// Determines where the symbol contains the given substring.
+int ciSymbol::index_of_at(int i, const char* str, int len) const {
+  GUARDED_VM_ENTRY(return get_symbolOop()->index_of_at(i, str, len);)
+}
+
+// ------------------------------------------------------------------
 // ciSymbol::utf8_length
 int ciSymbol::utf8_length() {
   GUARDED_VM_ENTRY(return get_symbolOop()->utf8_length();)
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/ci/ciSymbol.hpp
--- a/src/share/vm/ci/ciSymbol.hpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/ci/ciSymbol.hpp	Wed Jan 06 22:21:39 2010 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright 1999-2001 Sun Microsystems, Inc.  All Rights Reserved.
+ * Copyright 1999-2009 Sun Microsystems, Inc.  All Rights Reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -28,6 +28,7 @@
 // machine.
 class ciSymbol : public ciObject {
   CI_PACKAGE_ACCESS
+  // These friends all make direct use of get_symbolOop:
   friend class ciEnv;
   friend class ciInstanceKlass;
   friend class ciSignature;
@@ -38,13 +39,13 @@
   ciSymbol(symbolOop s) : ciObject(s) {}
   ciSymbol(symbolHandle s);   // for use with vmSymbolHandles
 
-  symbolOop get_symbolOop() { return (symbolOop)get_oop(); }
+  symbolOop get_symbolOop() const { return (symbolOop)get_oop(); }
 
   const char* type_string() { return "ciSymbol"; }
 
   void print_impl(outputStream* st);
 
-  int         byte_at(int i);
+  // This is public in symbolOop but private here, because the base can move:
   jbyte*      base();
 
   // Make a ciSymbol from a C string (implementation).
@@ -55,6 +56,15 @@
   const char* as_utf8();
   int         utf8_length();
 
+  // Return the i-th utf8 byte, where i < utf8_length
+  int         byte_at(int i);
+
+  // Tests if the symbol starts with the given prefix.
+  bool starts_with(const char* prefix, int len) const;
+
+  // Determines where the symbol contains the given substring.
+  int index_of_at(int i, const char* str, int len) const;
+
   // What kind of ciObject is this?
   bool is_symbol() { return true; }
 
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/ci/ciType.cpp
--- a/src/share/vm/ci/ciType.cpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/ci/ciType.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -111,7 +111,7 @@
   // short, etc.
   // Note: Bare T_ADDRESS means a raw pointer type, not a return_address.
   assert((uint)t < T_CONFLICT+1, "range check");
-  if (t == T_OBJECT)  return ciEnv::_Object;  // java/lang/Object
+  if (t == T_OBJECT)  return ciEnv::_Object_klass;  // java/lang/Object
   assert(_basic_types[t] != NULL, "domain check");
   return _basic_types[t];
 }
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/ci/ciTypeFlow.cpp
--- a/src/share/vm/ci/ciTypeFlow.cpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/ci/ciTypeFlow.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -635,8 +635,15 @@
   ciMethod* method = str->get_method(will_link);
   if (!will_link) {
     // We weren't able to find the method.
-    ciKlass* unloaded_holder = method->holder();
-    trap(str, unloaded_holder, str->get_method_holder_index());
+    if (str->cur_bc() == Bytecodes::_invokedynamic) {
+      trap(str, NULL,
+           Deoptimization::make_trap_request
+           (Deoptimization::Reason_uninitialized,
+            Deoptimization::Action_reinterpret));
+    } else {
+      ciKlass* unloaded_holder = method->holder();
+      trap(str, unloaded_holder, str->get_method_holder_index());
+    }
   } else {
     ciSignature* signature = method->signature();
     ciSignatureStream sigstr(signature);
@@ -1292,8 +1299,8 @@
   case Bytecodes::_invokeinterface: do_invoke(str, true);           break;
   case Bytecodes::_invokespecial:   do_invoke(str, true);           break;
   case Bytecodes::_invokestatic:    do_invoke(str, false);          break;
-
   case Bytecodes::_invokevirtual:   do_invoke(str, true);           break;
+  case Bytecodes::_invokedynamic:   do_invoke(str, false);          break;
 
   case Bytecodes::_istore:   store_local_int(str->get_index());     break;
   case Bytecodes::_istore_0: store_local_int(0);                    break;
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/ci/ciUtilities.hpp
--- a/src/share/vm/ci/ciUtilities.hpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/ci/ciUtilities.hpp	Wed Jan 06 22:21:39 2010 -0800
@@ -79,7 +79,7 @@
   THREAD);                                       \
   if (HAS_PENDING_EXCEPTION) {                   \
     if (PENDING_EXCEPTION->klass() ==            \
-        SystemDictionary::threaddeath_klass()) { \
+        SystemDictionary::ThreadDeath_klass()) { \
       /* Kill the compilation. */                \
       fatal("unhandled ci exception");           \
       return (result);                           \
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/classfile/classFileParser.cpp
--- a/src/share/vm/classfile/classFileParser.cpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/classfile/classFileParser.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -430,7 +430,7 @@
   case JVM_CONSTANT_UnresolvedClass :
     // Patching a class means pre-resolving it.
     // The name in the constant pool is ignored.
-    if (patch->klass() == SystemDictionary::class_klass()) { // %%% java_lang_Class::is_instance
+    if (patch->klass() == SystemDictionary::Class_klass()) { // %%% java_lang_Class::is_instance
       guarantee_property(!java_lang_Class::is_primitive(patch()),
                          "Illegal class patch at %d in class file %s",
                          index, CHECK);
@@ -643,7 +643,7 @@
       guarantee_property(value_type.is_int(), "Inconsistent constant value type in class file %s", CHECK);
       break;
     case T_OBJECT:
-      guarantee_property((cp->symbol_at(signature_index)->equals("Ljava/lang/String;", 18)
+      guarantee_property((cp->symbol_at(signature_index)->equals("Ljava/lang/String;")
                          && (value_type.is_string() || value_type.is_unresolved_string())),
                          "Bad string initial value in class file %s", CHECK);
       break;
@@ -1718,9 +1718,7 @@
   m->set_exception_table(exception_handlers());
 
   // Copy byte codes
-  if (code_length > 0) {
-    memcpy(m->code_base(), code_start, code_length);
-  }
+  m->set_code(code_start);
 
   // Copy line number table
   if (linenumber_table != NULL) {
@@ -3471,8 +3469,8 @@
 #endif
 
   // Check if this klass supports the java.lang.Cloneable interface
-  if (SystemDictionary::cloneable_klass_loaded()) {
-    if (k->is_subtype_of(SystemDictionary::cloneable_klass())) {
+  if (SystemDictionary::Cloneable_klass_loaded()) {
+    if (k->is_subtype_of(SystemDictionary::Cloneable_klass())) {
       k->set_is_cloneable();
     }
   }
@@ -4178,7 +4176,7 @@
       // Check if ch is Java identifier start or is Java identifier part
       // 4672820: call java.lang.Character methods directly without generating separate tables.
       EXCEPTION_MARK;
-      instanceKlassHandle klass (THREAD, SystemDictionary::char_klass());
+      instanceKlassHandle klass (THREAD, SystemDictionary::Character_klass());
 
       // return value
       JavaValue result(T_BOOLEAN);
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/classfile/classLoader.cpp
--- a/src/share/vm/classfile/classLoader.cpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/classfile/classLoader.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -819,7 +819,7 @@
     _package_hash_table->copy_pkgnames(packages);
   }
   // Allocate objArray and fill with java.lang.String
-  objArrayOop r = oopFactory::new_objArray(SystemDictionary::string_klass(),
+  objArrayOop r = oopFactory::new_objArray(SystemDictionary::String_klass(),
                                            nof_entries, CHECK_0);
   objArrayHandle result(THREAD, r);
   for (int i = 0; i < nof_entries; i++) {
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/classfile/javaAssertions.cpp
--- a/src/share/vm/classfile/javaAssertions.cpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/classfile/javaAssertions.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -95,14 +95,14 @@
   int len;
   typeArrayOop t;
   len = OptionList::count(_packages);
-  objArrayOop pn = oopFactory::new_objArray(SystemDictionary::string_klass(), len, CHECK_NULL);
+  objArrayOop pn = oopFactory::new_objArray(SystemDictionary::String_klass(), len, CHECK_NULL);
   objArrayHandle pkgNames (THREAD, pn);
   t = oopFactory::new_typeArray(T_BOOLEAN, len, CHECK_NULL);
   typeArrayHandle pkgEnabled(THREAD, t);
   fillJavaArrays(_packages, len, pkgNames, pkgEnabled, CHECK_NULL);
 
   len = OptionList::count(_classes);
-  objArrayOop cn = oopFactory::new_objArray(SystemDictionary::string_klass(), len, CHECK_NULL);
+  objArrayOop cn = oopFactory::new_objArray(SystemDictionary::String_klass(), len, CHECK_NULL);
   objArrayHandle classNames (THREAD, cn);
   t = oopFactory::new_typeArray(T_BOOLEAN, len, CHECK_NULL);
   typeArrayHandle classEnabled(THREAD, t);
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/classfile/javaClasses.cpp
--- a/src/share/vm/classfile/javaClasses.cpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/classfile/javaClasses.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -68,9 +68,9 @@
   // and the char array it points to end up in the same cache line.
   oop obj;
   if (tenured) {
-    obj = instanceKlass::cast(SystemDictionary::string_klass())->allocate_permanent_instance(CHECK_NH);
+    obj = instanceKlass::cast(SystemDictionary::String_klass())->allocate_permanent_instance(CHECK_NH);
   } else {
-    obj = instanceKlass::cast(SystemDictionary::string_klass())->allocate_instance(CHECK_NH);
+    obj = instanceKlass::cast(SystemDictionary::String_klass())->allocate_instance(CHECK_NH);
   }
 
   // Create the char array.  The String object must be handlized here
@@ -293,7 +293,7 @@
 
 bool java_lang_String::equals(oop java_string, jchar* chars, int len) {
   assert(SharedSkipVerify ||
-         java_string->klass() == SystemDictionary::string_klass(),
+         java_string->klass() == SystemDictionary::String_klass(),
          "must be java_string");
   typeArrayOop value  = java_lang_String::value(java_string);
   int          offset = java_lang_String::offset(java_string);
@@ -311,7 +311,7 @@
 
 void java_lang_String::print(Handle java_string, outputStream* st) {
   oop          obj    = java_string();
-  assert(obj->klass() == SystemDictionary::string_klass(), "must be java_string");
+  assert(obj->klass() == SystemDictionary::String_klass(), "must be java_string");
   typeArrayOop value  = java_lang_String::value(obj);
   int          offset = java_lang_String::offset(obj);
   int          length = java_lang_String::length(obj);
@@ -339,9 +339,9 @@
   // class is put into the system dictionary.
   int computed_modifiers = k->compute_modifier_flags(CHECK_0);
   k->set_modifier_flags(computed_modifiers);
-  if (SystemDictionary::class_klass_loaded()) {
+  if (SystemDictionary::Class_klass_loaded()) {
     // Allocate mirror (java.lang.Class instance)
-    Handle mirror = instanceKlass::cast(SystemDictionary::class_klass())->allocate_permanent_instance(CHECK_0);
+    Handle mirror = instanceKlass::cast(SystemDictionary::Class_klass())->allocate_permanent_instance(CHECK_0);
     // Setup indirections
     mirror->obj_field_put(klass_offset,  k());
     k->set_java_mirror(mirror());
@@ -378,7 +378,7 @@
 oop java_lang_Class::create_basic_type_mirror(const char* basic_type_name, BasicType type, TRAPS) {
   // This should be improved by adding a field at the Java level or by
   // introducing a new VM klass (see comment in ClassFileParser)
-  oop java_class = instanceKlass::cast(SystemDictionary::class_klass())->allocate_permanent_instance(CHECK_0);
+  oop java_class = instanceKlass::cast(SystemDictionary::Class_klass())->allocate_permanent_instance(CHECK_0);
   if (type != T_VOID) {
     klassOop aklass = Universe::typeArrayKlassObj(type);
     assert(aklass != NULL, "correct bootstrap");
@@ -502,7 +502,7 @@
 
 oop java_lang_Class::primitive_mirror(BasicType t) {
   oop mirror = Universe::java_mirror(t);
-  assert(mirror != NULL && mirror->is_a(SystemDictionary::class_klass()), "must be a Class");
+  assert(mirror != NULL && mirror->is_a(SystemDictionary::Class_klass()), "must be a Class");
   assert(java_lang_Class::is_primitive(mirror), "must be primitive");
   return mirror;
 }
@@ -515,14 +515,14 @@
   assert(!offsets_computed, "offsets should be initialized only once");
   offsets_computed = true;
 
-  klassOop k = SystemDictionary::class_klass();
+  klassOop k = SystemDictionary::Class_klass();
   // The classRedefinedCount field is only present starting in 1.5,
   // so don't go fatal.
   compute_optional_offset(classRedefinedCount_offset,
     k, vmSymbols::classRedefinedCount_name(), vmSymbols::int_signature());
 
   // The field indicating parallelCapable (parallelLockMap) is only present starting in 7,
-  klassOop k1 = SystemDictionary::classloader_klass();
+  klassOop k1 = SystemDictionary::ClassLoader_klass();
   compute_optional_offset(parallelCapable_offset,
     k1, vmSymbols::parallelCapable_name(), vmSymbols::concurrenthashmap_signature());
 }
@@ -588,7 +588,7 @@
 void java_lang_Thread::compute_offsets() {
   assert(_group_offset == 0, "offsets should be initialized only once");
 
-  klassOop k = SystemDictionary::thread_klass();
+  klassOop k = SystemDictionary::Thread_klass();
   compute_offset(_name_offset,      k, vmSymbols::name_name(),      vmSymbols::char_array_signature());
   compute_offset(_group_offset,     k, vmSymbols::group_name(),     vmSymbols::threadgroup_signature());
   compute_offset(_contextClassLoader_offset, k, vmSymbols::contextClassLoader_name(), vmSymbols::classloader_signature());
@@ -847,7 +847,7 @@
 void java_lang_ThreadGroup::compute_offsets() {
   assert(_parent_offset == 0, "offsets should be initialized only once");
 
-  klassOop k = SystemDictionary::threadGroup_klass();
+  klassOop k = SystemDictionary::ThreadGroup_klass();
 
   compute_offset(_parent_offset,      k, vmSymbols::parent_name(),      vmSymbols::threadgroup_signature());
   compute_offset(_name_offset,        k, vmSymbols::name_name(),        vmSymbols::string_signature());
@@ -1344,7 +1344,7 @@
   // No-op if stack trace is disabled
   if (!StackTraceInThrowable) return;
 
-  assert(throwable->is_a(SystemDictionary::throwable_klass()), "sanity check");
+  assert(throwable->is_a(SystemDictionary::Throwable_klass()), "sanity check");
 
   oop backtrace = java_lang_Throwable::backtrace(throwable());
   assert(backtrace != NULL, "backtrace not preallocated");
@@ -1449,7 +1449,7 @@
   assert(JDK_Version::is_gte_jdk14x_version(), "should only be called in >= 1.4");
 
   // Allocate java.lang.StackTraceElement instance
-  klassOop k = SystemDictionary::stackTraceElement_klass();
+  klassOop k = SystemDictionary::StackTraceElement_klass();
   assert(k != NULL, "must be loaded in 1.4+");
   instanceKlassHandle ik (THREAD, k);
   if (ik->should_be_initialized()) {
@@ -1487,7 +1487,7 @@
 
 
 void java_lang_reflect_AccessibleObject::compute_offsets() {
-  klassOop k = SystemDictionary::reflect_accessible_object_klass();
+  klassOop k = SystemDictionary::reflect_AccessibleObject_klass();
   compute_offset(override_offset, k, vmSymbols::override_name(), vmSymbols::bool_signature());
 }
 
@@ -1502,7 +1502,7 @@
 }
 
 void java_lang_reflect_Method::compute_offsets() {
-  klassOop k = SystemDictionary::reflect_method_klass();
+  klassOop k = SystemDictionary::reflect_Method_klass();
   compute_offset(clazz_offset,          k, vmSymbols::clazz_name(),          vmSymbols::class_signature());
   compute_offset(name_offset,           k, vmSymbols::name_name(),           vmSymbols::string_signature());
   compute_offset(returnType_offset,     k, vmSymbols::returnType_name(),     vmSymbols::class_signature());
@@ -1523,7 +1523,7 @@
 
 Handle java_lang_reflect_Method::create(TRAPS) {
   assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
-  klassOop klass = SystemDictionary::reflect_method_klass();
+  klassOop klass = SystemDictionary::reflect_Method_klass();
   // This class is eagerly initialized during VM initialization, since we keep a refence
   // to one of the methods
   assert(instanceKlass::cast(klass)->is_initialized(), "must be initialized");
@@ -1665,7 +1665,7 @@
 }
 
 void java_lang_reflect_Constructor::compute_offsets() {
-  klassOop k = SystemDictionary::reflect_constructor_klass();
+  klassOop k = SystemDictionary::reflect_Constructor_klass();
   compute_offset(clazz_offset,          k, vmSymbols::clazz_name(),          vmSymbols::class_signature());
   compute_offset(parameterTypes_offset, k, vmSymbols::parameterTypes_name(), vmSymbols::class_array_signature());
   compute_offset(exceptionTypes_offset, k, vmSymbols::exceptionTypes_name(), vmSymbols::class_array_signature());
@@ -1789,7 +1789,7 @@
 }
 
 void java_lang_reflect_Field::compute_offsets() {
-  klassOop k = SystemDictionary::reflect_field_klass();
+  klassOop k = SystemDictionary::reflect_Field_klass();
   compute_offset(clazz_offset,     k, vmSymbols::clazz_name(),     vmSymbols::class_signature());
   compute_offset(name_offset,      k, vmSymbols::name_name(),      vmSymbols::string_signature());
   compute_offset(type_offset,      k, vmSymbols::type_name(),      vmSymbols::class_signature());
@@ -1896,7 +1896,7 @@
 
 
 void sun_reflect_ConstantPool::compute_offsets() {
-  klassOop k = SystemDictionary::reflect_constant_pool_klass();
+  klassOop k = SystemDictionary::reflect_ConstantPool_klass();
   // This null test can be removed post beta
   if (k != NULL) {
     compute_offset(_cp_oop_offset, k, vmSymbols::constantPoolOop_name(), vmSymbols::object_signature());
@@ -1906,7 +1906,7 @@
 
 Handle sun_reflect_ConstantPool::create(TRAPS) {
   assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
-  klassOop k = SystemDictionary::reflect_constant_pool_klass();
+  klassOop k = SystemDictionary::reflect_ConstantPool_klass();
   instanceKlassHandle klass (THREAD, k);
   // Ensure it is initialized
   klass->initialize(CHECK_NH);
@@ -1926,7 +1926,7 @@
 }
 
 void sun_reflect_UnsafeStaticFieldAccessorImpl::compute_offsets() {
-  klassOop k = SystemDictionary::reflect_unsafe_static_field_accessor_impl_klass();
+  klassOop k = SystemDictionary::reflect_UnsafeStaticFieldAccessorImpl_klass();
   // This null test can be removed post beta
   if (k != NULL) {
     compute_offset(_base_offset, k,
@@ -2072,7 +2072,7 @@
 
 // Support for java_lang_ref_Reference
 oop java_lang_ref_Reference::pending_list_lock() {
-  instanceKlass* ik = instanceKlass::cast(SystemDictionary::reference_klass());
+  instanceKlass* ik = instanceKlass::cast(SystemDictionary::Reference_klass());
   char *addr = (((char *)ik->start_of_static_fields()) + static_lock_offset);
   if (UseCompressedOops) {
     return oopDesc::load_decode_heap_oop((narrowOop *)addr);
@@ -2082,7 +2082,7 @@
 }
 
 HeapWord *java_lang_ref_Reference::pending_list_addr() {
-  instanceKlass* ik = instanceKlass::cast(SystemDictionary::reference_klass());
+  instanceKlass* ik = instanceKlass::cast(SystemDictionary::Reference_klass());
   char *addr = (((char *)ik->start_of_static_fields()) + static_pending_offset);
   // XXX This might not be HeapWord aligned, almost rather be char *.
   return (HeapWord*)addr;
@@ -2105,17 +2105,17 @@
 }
 
 jlong java_lang_ref_SoftReference::clock() {
-  instanceKlass* ik = instanceKlass::cast(SystemDictionary::soft_reference_klass());
+  instanceKlass* ik = instanceKlass::cast(SystemDictionary::SoftReference_klass());
   int offset = ik->offset_of_static_fields() + static_clock_offset;
 
-  return SystemDictionary::soft_reference_klass()->long_field(offset);
+  return SystemDictionary::SoftReference_klass()->long_field(offset);
 }
 
 void java_lang_ref_SoftReference::set_clock(jlong value) {
-  instanceKlass* ik = instanceKlass::cast(SystemDictionary::soft_reference_klass());
+  instanceKlass* ik = instanceKlass::cast(SystemDictionary::SoftReference_klass());
   int offset = ik->offset_of_static_fields() + static_clock_offset;
 
-  SystemDictionary::soft_reference_klass()->long_field_put(offset, value);
+  SystemDictionary::SoftReference_klass()->long_field_put(offset, value);
 }
 
 
@@ -2403,6 +2403,10 @@
   return ptypes(mt)->obj_at(idx);
 }
 
+int java_dyn_MethodType::ptype_count(oop mt) {
+  return ptypes(mt)->length();
+}
+
 
 
 // Support for java_dyn_MethodTypeForm
@@ -2534,7 +2538,7 @@
     // the generated bytecodes for reflection, and if so, "magically"
     // delegate to its parent to prevent class loading from occurring
     // in places where applications using reflection didn't expect it.
-    klassOop delegating_cl_class = SystemDictionary::reflect_delegating_classloader_klass();
+    klassOop delegating_cl_class = SystemDictionary::reflect_DelegatingClassLoader_klass();
     // This might be null in non-1.4 JDKs
     if (delegating_cl_class != NULL && loader->is_a(delegating_cl_class)) {
       return parent(loader);
@@ -2549,7 +2553,7 @@
 void java_lang_System::compute_offsets() {
   assert(offset_of_static_fields == 0, "offsets should be initialized only once");
 
-  instanceKlass* ik = instanceKlass::cast(SystemDictionary::system_klass());
+  instanceKlass* ik = instanceKlass::cast(SystemDictionary::System_klass());
   offset_of_static_fields = ik->offset_of_static_fields();
 }
 
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/classfile/javaClasses.hpp
--- a/src/share/vm/classfile/javaClasses.hpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/classfile/javaClasses.hpp	Wed Jan 06 22:21:39 2010 -0800
@@ -111,7 +111,7 @@
 
   // Testers
   static bool is_instance(oop obj) {
-    return obj != NULL && obj->klass() == SystemDictionary::string_klass();
+    return obj != NULL && obj->klass() == SystemDictionary::String_klass();
   }
 
   // Debugging
@@ -161,7 +161,7 @@
   static void print_signature(oop java_class, outputStream *st);
   // Testing
   static bool is_instance(oop obj) {
-    return obj != NULL && obj->klass() == SystemDictionary::class_klass();
+    return obj != NULL && obj->klass() == SystemDictionary::Class_klass();
   }
   static bool is_primitive(oop java_class);
   static BasicType primitive_type(oop java_class);
@@ -1027,6 +1027,7 @@
   static oop            form(oop mt);
 
   static oop            ptype(oop mt, int index);
+  static int            ptype_count(oop mt);
 
   static symbolOop      as_signature(oop mt, bool intern_if_not_found, TRAPS);
   static void           print_signature(oop mt, outputStream* st);
@@ -1083,6 +1084,14 @@
   static oop            vmmethod(oop site);
   static void       set_vmmethod(oop site, oop ref);
 
+  // Testers
+  static bool is_subclass(klassOop klass) {
+    return Klass::cast(klass)->is_subclass_of(SystemDictionary::CallSite_klass());
+  }
+  static bool is_instance(oop obj) {
+    return obj != NULL && is_subclass(obj->klass());
+  }
+
   // Accessors for code generation:
   static int target_offset_in_bytes()           { return _target_offset; }
   static int type_offset_in_bytes()             { return _type_offset; }
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/classfile/systemDictionary.cpp
--- a/src/share/vm/classfile/systemDictionary.cpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/classfile/systemDictionary.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -60,10 +60,10 @@
 }
 
 void SystemDictionary::compute_java_system_loader(TRAPS) {
-  KlassHandle system_klass(THREAD, WK_KLASS(classloader_klass));
+  KlassHandle system_klass(THREAD, WK_KLASS(ClassLoader_klass));
   JavaValue result(T_OBJECT);
   JavaCalls::call_static(&result,
-                         KlassHandle(THREAD, WK_KLASS(classloader_klass)),
+                         KlassHandle(THREAD, WK_KLASS(ClassLoader_klass)),
                          vmSymbolHandles::getSystemClassLoader_name(),
                          vmSymbolHandles::void_classloader_signature(),
                          CHECK);
@@ -128,7 +128,7 @@
     // in which case we have to check whether the pending exception is a ClassNotFoundException,
     // and if so convert it to a NoClassDefFoundError
     // And chain the original ClassNotFoundException
-    if (throw_error && PENDING_EXCEPTION->is_a(SystemDictionary::classNotFoundException_klass())) {
+    if (throw_error && PENDING_EXCEPTION->is_a(SystemDictionary::ClassNotFoundException_klass())) {
       ResourceMark rm(THREAD);
       assert(klass_h() == NULL, "Should not have result with exception pending");
       Handle e(THREAD, PENDING_EXCEPTION);
@@ -359,7 +359,7 @@
 
   assert(class_loader() != NULL, "should not have non-null protection domain for null classloader");
 
-  KlassHandle system_loader(THREAD, SystemDictionary::classloader_klass());
+  KlassHandle system_loader(THREAD, SystemDictionary::ClassLoader_klass());
   JavaCalls::call_special(&result,
                          class_loader,
                          system_loader,
@@ -743,7 +743,7 @@
       // Bootstrap goes through here to allow for an extra guarantee check
       if (UnsyncloadClass || (class_loader.is_null())) {
         if (k.is_null() && HAS_PENDING_EXCEPTION
-          && PENDING_EXCEPTION->is_a(SystemDictionary::linkageError_klass())) {
+          && PENDING_EXCEPTION->is_a(SystemDictionary::LinkageError_klass())) {
           MutexLocker mu(SystemDictionary_lock, THREAD);
           klassOop check = find_class(d_index, d_hash, name, class_loader);
           if (check != NULL) {
@@ -1367,7 +1367,7 @@
 
     JavaValue result(T_OBJECT);
 
-    KlassHandle spec_klass (THREAD, SystemDictionary::classloader_klass());
+    KlassHandle spec_klass (THREAD, SystemDictionary::ClassLoader_klass());
 
     // Call public unsynchronized loadClass(String) directly for all class loaders
     // for parallelCapable class loaders. JDK >=7, loadClass(String, boolean) will
@@ -1944,13 +1944,13 @@
 
 
 void SystemDictionary::initialize_preloaded_classes(TRAPS) {
-  assert(WK_KLASS(object_klass) == NULL, "preloaded classes should only be initialized once");
+  assert(WK_KLASS(Object_klass) == NULL, "preloaded classes should only be initialized once");
   // Preload commonly used klasses
   WKID scan = FIRST_WKID;
   // first do Object, String, Class
-  initialize_wk_klasses_through(WK_KLASS_ENUM_NAME(class_klass), scan, CHECK);
+  initialize_wk_klasses_through(WK_KLASS_ENUM_NAME(Class_klass), scan, CHECK);
 
-  debug_only(instanceKlass::verify_class_klass_nonstatic_oop_maps(WK_KLASS(class_klass)));
+  debug_only(instanceKlass::verify_class_klass_nonstatic_oop_maps(WK_KLASS(Class_klass)));
 
   // Fixup mirrors for classes loaded before java.lang.Class.
   // These calls iterate over the objects currently in the perm gen
@@ -1961,17 +1961,17 @@
   Universe::fixup_mirrors(CHECK);
 
   // do a bunch more:
-  initialize_wk_klasses_through(WK_KLASS_ENUM_NAME(reference_klass), scan, CHECK);
+  initialize_wk_klasses_through(WK_KLASS_ENUM_NAME(Reference_klass), scan, CHECK);
 
   // Preload ref klasses and set reference types
-  instanceKlass::cast(WK_KLASS(reference_klass))->set_reference_type(REF_OTHER);
-  instanceRefKlass::update_nonstatic_oop_maps(WK_KLASS(reference_klass));
+  instanceKlass::cast(WK_KLASS(Reference_klass))->set_reference_type(REF_OTHER);
+  instanceRefKlass::update_nonstatic_oop_maps(WK_KLASS(Reference_klass));
 
-  initialize_wk_klasses_through(WK_KLASS_ENUM_NAME(phantom_reference_klass), scan, CHECK);
-  instanceKlass::cast(WK_KLASS(soft_reference_klass))->set_reference_type(REF_SOFT);
-  instanceKlass::cast(WK_KLASS(weak_reference_klass))->set_reference_type(REF_WEAK);
-  instanceKlass::cast(WK_KLASS(final_reference_klass))->set_reference_type(REF_FINAL);
-  instanceKlass::cast(WK_KLASS(phantom_reference_klass))->set_reference_type(REF_PHANTOM);
+  initialize_wk_klasses_through(WK_KLASS_ENUM_NAME(PhantomReference_klass), scan, CHECK);
+  instanceKlass::cast(WK_KLASS(SoftReference_klass))->set_reference_type(REF_SOFT);
+  instanceKlass::cast(WK_KLASS(WeakReference_klass))->set_reference_type(REF_WEAK);
+  instanceKlass::cast(WK_KLASS(FinalReference_klass))->set_reference_type(REF_FINAL);
+  instanceKlass::cast(WK_KLASS(PhantomReference_klass))->set_reference_type(REF_PHANTOM);
 
   WKID meth_group_start = WK_KLASS_ENUM_NAME(MethodHandle_klass);
   WKID meth_group_end   = WK_KLASS_ENUM_NAME(WrongMethodTypeException_klass);
@@ -1984,7 +1984,7 @@
     scan = WKID(meth_group_end+1);
   }
   WKID indy_group_start = WK_KLASS_ENUM_NAME(Linkage_klass);
-  WKID indy_group_end   = WK_KLASS_ENUM_NAME(Dynamic_klass);
+  WKID indy_group_end   = WK_KLASS_ENUM_NAME(InvokeDynamic_klass);
   initialize_wk_klasses_until(indy_group_start, scan, CHECK);
   if (EnableInvokeDynamic) {
     initialize_wk_klasses_through(indy_group_end, scan, CHECK);
@@ -1996,14 +1996,14 @@
 
   initialize_wk_klasses_until(WKID_LIMIT, scan, CHECK);
 
-  _box_klasses[T_BOOLEAN] = WK_KLASS(boolean_klass);
-  _box_klasses[T_CHAR]    = WK_KLASS(char_klass);
-  _box_klasses[T_FLOAT]   = WK_KLASS(float_klass);
-  _box_klasses[T_DOUBLE]  = WK_KLASS(double_klass);
-  _box_klasses[T_BYTE]    = WK_KLASS(byte_klass);
-  _box_klasses[T_SHORT]   = WK_KLASS(short_klass);
-  _box_klasses[T_INT]     = WK_KLASS(int_klass);
-  _box_klasses[T_LONG]    = WK_KLASS(long_klass);
+  _box_klasses[T_BOOLEAN] = WK_KLASS(Boolean_klass);
+  _box_klasses[T_CHAR]    = WK_KLASS(Character_klass);
+  _box_klasses[T_FLOAT]   = WK_KLASS(Float_klass);
+  _box_klasses[T_DOUBLE]  = WK_KLASS(Double_klass);
+  _box_klasses[T_BYTE]    = WK_KLASS(Byte_klass);
+  _box_klasses[T_SHORT]   = WK_KLASS(Short_klass);
+  _box_klasses[T_INT]     = WK_KLASS(Integer_klass);
+  _box_klasses[T_LONG]    = WK_KLASS(Long_klass);
   //_box_klasses[T_OBJECT]  = WK_KLASS(object_klass);
   //_box_klasses[T_ARRAY]   = WK_KLASS(object_klass);
 
@@ -2014,11 +2014,11 @@
 #endif // KERNEL
 
   { // Compute whether we should use loadClass or loadClassInternal when loading classes.
-    methodOop method = instanceKlass::cast(classloader_klass())->find_method(vmSymbols::loadClassInternal_name(), vmSymbols::string_class_signature());
+    methodOop method = instanceKlass::cast(ClassLoader_klass())->find_method(vmSymbols::loadClassInternal_name(), vmSymbols::string_class_signature());
     _has_loadClassInternal = (method != NULL);
   }
   { // Compute whether we should use checkPackageAccess or NOT
-    methodOop method = instanceKlass::cast(classloader_klass())->find_method(vmSymbols::checkPackageAccess_name(), vmSymbols::class_protectiondomain_signature());
+    methodOop method = instanceKlass::cast(ClassLoader_klass())->find_method(vmSymbols::checkPackageAccess_name(), vmSymbols::class_protectiondomain_signature());
     _has_checkPackageAccess = (method != NULL);
   }
 }
@@ -2340,6 +2340,8 @@
   SymbolPropertyEntry* spe = invoke_method_table()->find_entry(index, hash, signature);
   if (spe == NULL || spe->property_oop() == NULL) {
     // Must create lots of stuff here, but outside of the SystemDictionary lock.
+    if (THREAD->is_Compiler_thread())
+      return NULL;              // do not attempt from within compiler
     Handle mt = compute_method_handle_type(signature(),
                                            class_loader, protection_domain,
                                            CHECK_NULL);
@@ -2372,7 +2374,7 @@
                                                     TRAPS) {
   Handle empty;
   int npts = ArgumentCount(signature()).size();
-  objArrayHandle pts = oopFactory::new_objArray(SystemDictionary::class_klass(), npts, CHECK_(empty));
+  objArrayHandle pts = oopFactory::new_objArray(SystemDictionary::Class_klass(), npts, CHECK_(empty));
   int arg = 0;
   Handle rt;                            // the return type from the signature
   for (SignatureStream ss(signature()); !ss.is_done(); ss.next()) {
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/classfile/systemDictionary.hpp
--- a/src/share/vm/classfile/systemDictionary.hpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/classfile/systemDictionary.hpp	Wed Jan 06 22:21:39 2010 -0800
@@ -82,55 +82,55 @@
 
 #define WK_KLASSES_DO(template)                                               \
   /* well-known classes */                                                    \
-  template(object_klass,                 java_lang_Object,               Pre) \
-  template(string_klass,                 java_lang_String,               Pre) \
-  template(class_klass,                  java_lang_Class,                Pre) \
-  template(cloneable_klass,              java_lang_Cloneable,            Pre) \
-  template(classloader_klass,            java_lang_ClassLoader,          Pre) \
-  template(serializable_klass,           java_io_Serializable,           Pre) \
-  template(system_klass,                 java_lang_System,               Pre) \
-  template(throwable_klass,              java_lang_Throwable,            Pre) \
-  template(error_klass,                  java_lang_Error,                Pre) \
-  template(threaddeath_klass,            java_lang_ThreadDeath,          Pre) \
-  template(exception_klass,              java_lang_Exception,            Pre) \
-  template(runtime_exception_klass,      java_lang_RuntimeException,     Pre) \
-  template(protectionDomain_klass,       java_security_ProtectionDomain, Pre) \
+  template(Object_klass,                 java_lang_Object,               Pre) \
+  template(String_klass,                 java_lang_String,               Pre) \
+  template(Class_klass,                  java_lang_Class,                Pre) \
+  template(Cloneable_klass,              java_lang_Cloneable,            Pre) \
+  template(ClassLoader_klass,            java_lang_ClassLoader,          Pre) \
+  template(Serializable_klass,           java_io_Serializable,           Pre) \
+  template(System_klass,                 java_lang_System,               Pre) \
+  template(Throwable_klass,              java_lang_Throwable,            Pre) \
+  template(Error_klass,                  java_lang_Error,                Pre) \
+  template(ThreadDeath_klass,            java_lang_ThreadDeath,          Pre) \
+  template(Exception_klass,              java_lang_Exception,            Pre) \
+  template(RuntimeException_klass,       java_lang_RuntimeException,     Pre) \
+  template(ProtectionDomain_klass,       java_security_ProtectionDomain, Pre) \
   template(AccessControlContext_klass,   java_security_AccessControlContext, Pre) \
-  template(classNotFoundException_klass, java_lang_ClassNotFoundException, Pre) \
-  template(noClassDefFoundError_klass,   java_lang_NoClassDefFoundError, Pre) \
-  template(linkageError_klass,           java_lang_LinkageError,         Pre) \
+  template(ClassNotFoundException_klass, java_lang_ClassNotFoundException, Pre) \
+  template(NoClassDefFoundError_klass,   java_lang_NoClassDefFoundError, Pre) \
+  template(LinkageError_klass,           java_lang_LinkageError,         Pre) \
   template(ClassCastException_klass,     java_lang_ClassCastException,   Pre) \
   template(ArrayStoreException_klass,    java_lang_ArrayStoreException,  Pre) \
-  template(virtualMachineError_klass,    java_lang_VirtualMachineError,  Pre) \
+  template(VirtualMachineError_klass,    java_lang_VirtualMachineError,  Pre) \
   template(OutOfMemoryError_klass,       java_lang_OutOfMemoryError,     Pre) \
   template(StackOverflowError_klass,     java_lang_StackOverflowError,   Pre) \
   template(IllegalMonitorStateException_klass, java_lang_IllegalMonitorStateException, Pre) \
-  template(reference_klass,              java_lang_ref_Reference,        Pre) \
+  template(Reference_klass,              java_lang_ref_Reference,        Pre) \
                                                                               \
   /* Preload ref klasses and set reference types */                           \
-  template(soft_reference_klass,         java_lang_ref_SoftReference,    Pre) \
-  template(weak_reference_klass,         java_lang_ref_WeakReference,    Pre) \
-  template(final_reference_klass,        java_lang_ref_FinalReference,   Pre) \
-  template(phantom_reference_klass,      java_lang_ref_PhantomReference, Pre) \
-  template(finalizer_klass,              java_lang_ref_Finalizer,        Pre) \
+  template(SoftReference_klass,          java_lang_ref_SoftReference,    Pre) \
+  template(WeakReference_klass,          java_lang_ref_WeakReference,    Pre) \
+  template(FinalReference_klass,         java_lang_ref_FinalReference,   Pre) \
+  template(PhantomReference_klass,       java_lang_ref_PhantomReference, Pre) \
+  template(Finalizer_klass,              java_lang_ref_Finalizer,        Pre) \
                                                                               \
-  template(thread_klass,                 java_lang_Thread,               Pre) \
-  template(threadGroup_klass,            java_lang_ThreadGroup,          Pre) \
-  template(properties_klass,             java_util_Properties,           Pre) \
-  template(reflect_accessible_object_klass, java_lang_reflect_AccessibleObject, Pre) \
-  template(reflect_field_klass,          java_lang_reflect_Field,        Pre) \
-  template(reflect_method_klass,         java_lang_reflect_Method,       Pre) \
-  template(reflect_constructor_klass,    java_lang_reflect_Constructor,  Pre) \
+  template(Thread_klass,                 java_lang_Thread,               Pre) \
+  template(ThreadGroup_klass,            java_lang_ThreadGroup,          Pre) \
+  template(Properties_klass,             java_util_Properties,           Pre) \
+  template(reflect_AccessibleObject_klass, java_lang_reflect_AccessibleObject, Pre) \
+  template(reflect_Field_klass,          java_lang_reflect_Field,        Pre) \
+  template(reflect_Method_klass,         java_lang_reflect_Method,       Pre) \
+  template(reflect_Constructor_klass,    java_lang_reflect_Constructor,  Pre) \
                                                                               \
   /* NOTE: needed too early in bootstrapping process to have checks based on JDK version */ \
   /* Universe::is_gte_jdk14x_version() is not set up by this point. */        \
   /* It's okay if this turns out to be NULL in non-1.4 JDKs. */               \
-  template(reflect_magic_klass,          sun_reflect_MagicAccessorImpl,  Opt) \
-  template(reflect_method_accessor_klass, sun_reflect_MethodAccessorImpl, Opt_Only_JDK14NewRef) \
-  template(reflect_constructor_accessor_klass, sun_reflect_ConstructorAccessorImpl, Opt_Only_JDK14NewRef) \
-  template(reflect_delegating_classloader_klass, sun_reflect_DelegatingClassLoader, Opt) \
-  template(reflect_constant_pool_klass,  sun_reflect_ConstantPool,       Opt_Only_JDK15) \
-  template(reflect_unsafe_static_field_accessor_impl_klass, sun_reflect_UnsafeStaticFieldAccessorImpl, Opt_Only_JDK15) \
+  template(reflect_MagicAccessorImpl_klass,          sun_reflect_MagicAccessorImpl,  Opt) \
+  template(reflect_MethodAccessorImpl_klass, sun_reflect_MethodAccessorImpl, Opt_Only_JDK14NewRef) \
+  template(reflect_ConstructorAccessorImpl_klass, sun_reflect_ConstructorAccessorImpl, Opt_Only_JDK14NewRef) \
+  template(reflect_DelegatingClassLoader_klass, sun_reflect_DelegatingClassLoader, Opt) \
+  template(reflect_ConstantPool_klass,  sun_reflect_ConstantPool,       Opt_Only_JDK15) \
+  template(reflect_UnsafeStaticFieldAccessorImpl_klass, sun_reflect_UnsafeStaticFieldAccessorImpl, Opt_Only_JDK15) \
                                                                               \
   /* support for dynamic typing; it's OK if these are NULL in earlier JDKs */ \
   template(MethodHandle_klass,           java_dyn_MethodHandle,          Opt) \
@@ -144,16 +144,14 @@
   template(WrongMethodTypeException_klass, java_dyn_WrongMethodTypeException, Opt) \
   template(Linkage_klass,                java_dyn_Linkage,               Opt) \
   template(CallSite_klass,               java_dyn_CallSite,              Opt) \
-  template(Dynamic_klass,                java_dyn_Dynamic,               Opt) \
+  template(InvokeDynamic_klass,          java_dyn_InvokeDynamic,         Opt) \
   /* Note: MethodHandle must be first, and Dynamic last in group */           \
                                                                               \
-  template(vector_klass,                 java_util_Vector,               Pre) \
-  template(hashtable_klass,              java_util_Hashtable,            Pre) \
-  template(stringBuffer_klass,           java_lang_StringBuffer,         Pre) \
+  template(StringBuffer_klass,           java_lang_StringBuffer,         Pre) \
   template(StringBuilder_klass,          java_lang_StringBuilder,        Pre) \
                                                                               \
   /* It's NULL in non-1.4 JDKs. */                                            \
-  template(stackTraceElement_klass,      java_lang_StackTraceElement,    Opt) \
+  template(StackTraceElement_klass,      java_lang_StackTraceElement,    Opt) \
   /* Universe::is_gte_jdk14x_version() is not set up by this point. */        \
   /* It's okay if this turns out to be NULL in non-1.4 JDKs. */               \
   template(java_nio_Buffer_klass,        java_nio_Buffer,                Opt) \
@@ -164,14 +162,14 @@
   template(sun_jkernel_DownloadManager_klass, sun_jkernel_DownloadManager, Opt_Kernel) \
                                                                               \
   /* Preload boxing klasses */                                                \
-  template(boolean_klass,                java_lang_Boolean,              Pre) \
-  template(char_klass,                   java_lang_Character,            Pre) \
-  template(float_klass,                  java_lang_Float,                Pre) \
-  template(double_klass,                 java_lang_Double,               Pre) \
-  template(byte_klass,                   java_lang_Byte,                 Pre) \
-  template(short_klass,                  java_lang_Short,                Pre) \
-  template(int_klass,                    java_lang_Integer,              Pre) \
-  template(long_klass,                   java_lang_Long,                 Pre) \
+  template(Boolean_klass,                java_lang_Boolean,              Pre) \
+  template(Character_klass,              java_lang_Character,            Pre) \
+  template(Float_klass,                  java_lang_Float,                Pre) \
+  template(Double_klass,                 java_lang_Double,               Pre) \
+  template(Byte_klass,                   java_lang_Byte,                 Pre) \
+  template(Short_klass,                  java_lang_Short,                Pre) \
+  template(Integer_klass,                java_lang_Integer,              Pre) \
+  template(Long_klass,                   java_lang_Long,                 Pre) \
   /*end*/
 
 
@@ -438,8 +436,8 @@
   // Tells whether ClassLoader.checkPackageAccess is present
   static bool has_checkPackageAccess()      { return _has_checkPackageAccess; }
 
-  static bool class_klass_loaded()          { return WK_KLASS(class_klass) != NULL; }
-  static bool cloneable_klass_loaded()      { return WK_KLASS(cloneable_klass) != NULL; }
+  static bool Class_klass_loaded()          { return WK_KLASS(Class_klass) != NULL; }
+  static bool Cloneable_klass_loaded()      { return WK_KLASS(Cloneable_klass) != NULL; }
 
   // Returns default system loader
   static oop java_system_loader();
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/classfile/verifier.cpp
--- a/src/share/vm/classfile/verifier.cpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/classfile/verifier.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -143,7 +143,7 @@
 
 bool Verifier::is_eligible_for_verification(instanceKlassHandle klass, bool should_verify_class) {
   symbolOop name = klass->name();
-  klassOop refl_magic_klass = SystemDictionary::reflect_magic_klass();
+  klassOop refl_magic_klass = SystemDictionary::reflect_MagicAccessorImpl_klass();
 
   return (should_verify_for(klass->class_loader(), should_verify_class) &&
     // return if the class is a bootstrapping class
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/classfile/vmSymbols.cpp
--- a/src/share/vm/classfile/vmSymbols.cpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/classfile/vmSymbols.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright 1997-2008 Sun Microsystems, Inc.  All Rights Reserved.
+ * Copyright 1997-2009 Sun Microsystems, Inc.  All Rights Reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -70,6 +70,7 @@
 void vmSymbols::initialize(TRAPS) {
   assert((int)SID_LIMIT <= (1<<log2_SID_LIMIT), "must fit in this bitfield");
   assert((int)SID_LIMIT*5 > (1<<log2_SID_LIMIT), "make the bitfield smaller, please");
+  assert(vmIntrinsics::FLAG_LIMIT <= (1 << vmIntrinsics::log2_FLAG_LIMIT), "must fit in this bitfield");
 
   if (!UseSharedSpaces) {
     const char* string = &vm_symbol_bodies[0];
@@ -271,6 +272,58 @@
   return sid;
 }
 
+static vmIntrinsics::ID wrapper_intrinsic(BasicType type, bool unboxing) {
+#define TYPE2(type, unboxing) ((int)(type)*2 + ((unboxing) ? 1 : 0))
+  switch (TYPE2(type, unboxing)) {
+#define BASIC_TYPE_CASE(type, box, unbox) \
+    case TYPE2(type, false):  return vmIntrinsics::box; \
+    case TYPE2(type, true):   return vmIntrinsics::unbox
+    BASIC_TYPE_CASE(T_BOOLEAN, _Boolean_valueOf,   _booleanValue);
+    BASIC_TYPE_CASE(T_BYTE,    _Byte_valueOf,      _byteValue);
+    BASIC_TYPE_CASE(T_CHAR,    _Character_valueOf, _charValue);
+    BASIC_TYPE_CASE(T_SHORT,   _Short_valueOf,     _shortValue);
+    BASIC_TYPE_CASE(T_INT,     _Integer_valueOf,   _intValue);
+    BASIC_TYPE_CASE(T_LONG,    _Long_valueOf,      _longValue);
+    BASIC_TYPE_CASE(T_FLOAT,   _Float_valueOf,     _floatValue);
+    BASIC_TYPE_CASE(T_DOUBLE,  _Double_valueOf,    _doubleValue);
+#undef BASIC_TYPE_CASE
+  }
+#undef TYPE2
+  return vmIntrinsics::_none;
+}
+
+vmIntrinsics::ID vmIntrinsics::for_boxing(BasicType type) {
+  return wrapper_intrinsic(type, false);
+}
+vmIntrinsics::ID vmIntrinsics::for_unboxing(BasicType type) {
+  return wrapper_intrinsic(type, true);
+}
+
+vmIntrinsics::ID vmIntrinsics::for_raw_conversion(BasicType src, BasicType dest) {
+#define SRC_DEST(s,d) (((int)(s) << 4) + (int)(d))
+  switch (SRC_DEST(src, dest)) {
+  case SRC_DEST(T_INT, T_FLOAT):   return vmIntrinsics::_intBitsToFloat;
+  case SRC_DEST(T_FLOAT, T_INT):   return vmIntrinsics::_floatToRawIntBits;
+
+  case SRC_DEST(T_LONG, T_DOUBLE): return vmIntrinsics::_longBitsToDouble;
+  case SRC_DEST(T_DOUBLE, T_LONG): return vmIntrinsics::_doubleToRawLongBits;
+  }
+#undef SRC_DEST
+
+  return vmIntrinsics::_none;
+}
+
+methodOop vmIntrinsics::method_for(vmIntrinsics::ID id) {
+  if (id == _none)  return NULL;
+  symbolOop cname = vmSymbols::symbol_at(class_for(id));
+  symbolOop mname = vmSymbols::symbol_at(name_for(id));
+  symbolOop msig  = vmSymbols::symbol_at(signature_for(id));
+  if (cname == NULL || mname == NULL || msig == NULL)  return NULL;
+  klassOop k = SystemDictionary::find_well_known_klass(cname);
+  if (k == NULL)  return NULL;
+  return instanceKlass::cast(k)->find_method(mname, msig);
+}
+
 
 #define VM_INTRINSIC_INITIALIZE(id, klass, name, sig, flags) #id "\0"
 static const char* vm_intrinsic_name_bodies =
@@ -330,15 +383,15 @@
 }
 
 // These are for forming case labels:
-#define ID3(x, y, z) (( jint)(z) +                                  \
-                      ((jint)(y) <<    vmSymbols::log2_SID_LIMIT) + \
-                      ((jint)(x) << (2*vmSymbols::log2_SID_LIMIT))  )
+#define ID3(x, y, z) (( jlong)(z) +                                  \
+                      ((jlong)(y) <<    vmSymbols::log2_SID_LIMIT) + \
+                      ((jlong)(x) << (2*vmSymbols::log2_SID_LIMIT))  )
 #define SID_ENUM(n) vmSymbols::VM_SYMBOL_ENUM_NAME(n)
 
-vmIntrinsics::ID vmIntrinsics::find_id(vmSymbols::SID holder,
-                                       vmSymbols::SID name,
-                                       vmSymbols::SID sig,
-                                       jshort flags) {
+vmIntrinsics::ID vmIntrinsics::find_id_impl(vmSymbols::SID holder,
+                                            vmSymbols::SID name,
+                                            vmSymbols::SID sig,
+                                            jshort flags) {
   assert((int)vmSymbols::SID_LIMIT <= (1<<vmSymbols::log2_SID_LIMIT), "must fit");
 
   // Let the C compiler build the decision tree.
@@ -383,62 +436,50 @@
 }
 
 
-// These are for friendly printouts of intrinsics:
+// These are to get information about intrinsics.
+
+#define ID4(x, y, z, f) ((ID3(x, y, z) << vmIntrinsics::log2_FLAG_LIMIT) | (jlong) (f))
+
+static const jlong intrinsic_info_array[vmIntrinsics::ID_LIMIT+1] = {
+#define VM_INTRINSIC_INFO(ignore_id, klass, name, sig, fcode) \
+  ID4(SID_ENUM(klass), SID_ENUM(name), SID_ENUM(sig), vmIntrinsics::fcode),
+
+  0, VM_INTRINSICS_DO(VM_INTRINSIC_INFO,
+                     VM_SYMBOL_IGNORE, VM_SYMBOL_IGNORE, VM_SYMBOL_IGNORE, VM_ALIAS_IGNORE)
+    0
+#undef VM_INTRINSIC_INFO
+};
+
+inline jlong intrinsic_info(vmIntrinsics::ID id) {
+  return intrinsic_info_array[vmIntrinsics::ID_from((int)id)];
+}
 
 vmSymbols::SID vmIntrinsics::class_for(vmIntrinsics::ID id) {
-#ifndef PRODUCT
-#define VM_INTRINSIC_CASE(id, klass, name, sig, fcode) \
-  case id: return SID_ENUM(klass);
-
-  switch (id) {
-    VM_INTRINSICS_DO(VM_INTRINSIC_CASE,
-                     VM_SYMBOL_IGNORE, VM_SYMBOL_IGNORE, VM_SYMBOL_IGNORE, VM_ALIAS_IGNORE);
-  }
-#undef VM_INTRINSIC_CASE
-#endif //PRODUCT
-  return vmSymbols::NO_SID;
+  jlong info = intrinsic_info(id);
+  int shift = 2*vmSymbols::log2_SID_LIMIT + log2_FLAG_LIMIT, mask = right_n_bits(vmSymbols::log2_SID_LIMIT);
+  assert(((ID4(1021,1022,1023,15) >> shift) & mask) == 1021, "");
+  return vmSymbols::SID( (info >> shift) & mask );
 }
 
 vmSymbols::SID vmIntrinsics::name_for(vmIntrinsics::ID id) {
-#ifndef PRODUCT
-#define VM_INTRINSIC_CASE(id, klass, name, sig, fcode) \
-  case id: return SID_ENUM(name);
-
-  switch (id) {
-    VM_INTRINSICS_DO(VM_INTRINSIC_CASE,
-                     VM_SYMBOL_IGNORE, VM_SYMBOL_IGNORE, VM_SYMBOL_IGNORE, VM_ALIAS_IGNORE);
-  }
-#undef VM_INTRINSIC_CASE
-#endif //PRODUCT
-  return vmSymbols::NO_SID;
+  jlong info = intrinsic_info(id);
+  int shift = vmSymbols::log2_SID_LIMIT + log2_FLAG_LIMIT, mask = right_n_bits(vmSymbols::log2_SID_LIMIT);
+  assert(((ID4(1021,1022,1023,15) >> shift) & mask) == 1022, "");
+  return vmSymbols::SID( (info >> shift) & mask );
 }
 
 vmSymbols::SID vmIntrinsics::signature_for(vmIntrinsics::ID id) {
-#ifndef PRODUCT
-#define VM_INTRINSIC_CASE(id, klass, name, sig, fcode) \
-  case id: return SID_ENUM(sig);
-
-  switch (id) {
-    VM_INTRINSICS_DO(VM_INTRINSIC_CASE,
-                     VM_SYMBOL_IGNORE, VM_SYMBOL_IGNORE, VM_SYMBOL_IGNORE, VM_ALIAS_IGNORE);
-  }
-#undef VM_INTRINSIC_CASE
-#endif //PRODUCT
-  return vmSymbols::NO_SID;
+  jlong info = intrinsic_info(id);
+  int shift = log2_FLAG_LIMIT, mask = right_n_bits(vmSymbols::log2_SID_LIMIT);
+  assert(((ID4(1021,1022,1023,15) >> shift) & mask) == 1023, "");
+  return vmSymbols::SID( (info >> shift) & mask );
 }
 
 vmIntrinsics::Flags vmIntrinsics::flags_for(vmIntrinsics::ID id) {
-#ifndef PRODUCT
-#define VM_INTRINSIC_CASE(id, klass, name, sig, fcode) \
-  case id: return fcode;
-
-  switch (id) {
-    VM_INTRINSICS_DO(VM_INTRINSIC_CASE,
-                     VM_SYMBOL_IGNORE, VM_SYMBOL_IGNORE, VM_SYMBOL_IGNORE, VM_ALIAS_IGNORE);
-  }
-#undef VM_INTRINSIC_CASE
-#endif //PRODUCT
-  return F_none;
+  jlong info = intrinsic_info(id);
+  int shift = 0, mask = right_n_bits(log2_FLAG_LIMIT);
+  assert(((ID4(1021,1022,1023,15) >> shift) & mask) == 15, "");
+  return Flags( (info >> shift) & mask );
 }
 
 
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/classfile/vmSymbols.hpp
--- a/src/share/vm/classfile/vmSymbols.hpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/classfile/vmSymbols.hpp	Wed Jan 06 22:21:39 2010 -0800
@@ -219,7 +219,7 @@
   template(base_name,                                 "base")                                     \
                                                                                                   \
   /* Support for JSR 292 & invokedynamic (JDK 1.7 and above) */                                   \
-  template(java_dyn_Dynamic,                          "java/dyn/Dynamic")                         \
+  template(java_dyn_InvokeDynamic,                    "java/dyn/InvokeDynamic")                   \
   template(java_dyn_Linkage,                          "java/dyn/Linkage")                         \
   template(java_dyn_CallSite,                         "java/dyn/CallSite")                        \
   template(java_dyn_MethodHandle,                     "java/dyn/MethodHandle")                    \
@@ -347,9 +347,14 @@
                                                                                                   \
   /* common signatures names */                                                                   \
   template(void_method_signature,                     "()V")                                      \
+  template(void_boolean_signature,                    "()Z")                                      \
+  template(void_byte_signature,                       "()B")                                      \
+  template(void_char_signature,                       "()C")                                      \
+  template(void_short_signature,                      "()S")                                      \
   template(void_int_signature,                        "()I")                                      \
   template(void_long_signature,                       "()J")                                      \
-  template(void_boolean_signature,                    "()Z")                                      \
+  template(void_float_signature,                      "()F")                                      \
+  template(void_double_signature,                     "()D")                                      \
   template(int_void_signature,                        "(I)V")                                     \
   template(int_int_signature,                         "(I)I")                                     \
   template(int_bool_signature,                        "(I)Z")                                     \
@@ -854,6 +859,46 @@
                                                                                                                           \
   do_intrinsic(_invoke,                   java_lang_reflect_Method, invoke_name, object_array_object_object_signature, F_R) \
   /*   (symbols invoke_name and invoke_signature defined above) */                                                      \
+  do_intrinsic(_checkSpreadArgument,      sun_dyn_MethodHandleImpl, checkSpreadArgument_name, checkSpreadArgument_signature, F_S) \
+   do_name(    checkSpreadArgument_name,       "checkSpreadArgument")                                                   \
+   do_name(    checkSpreadArgument_signature,  "(Ljava/lang/Object;I)V")                                                \
+                                                                                                                        \
+  /* unboxing methods: */                                                                                               \
+  do_intrinsic(_booleanValue,             java_lang_Boolean,      booleanValue_name, void_boolean_signature, F_R)       \
+   do_name(     booleanValue_name,       "booleanValue")                                                                \
+  do_intrinsic(_byteValue,                java_lang_Byte,         byteValue_name, void_byte_signature, F_R)             \
+   do_name(     byteValue_name,          "byteValue")                                                                   \
+  do_intrinsic(_charValue,                java_lang_Character,    charValue_name, void_char_signature, F_R)             \
+   do_name(     charValue_name,          "charValue")                                                                   \
+  do_intrinsic(_shortValue,               java_lang_Short,        shortValue_name, void_short_signature, F_R)           \
+   do_name(     shortValue_name,         "shortValue")                                                                  \
+  do_intrinsic(_intValue,                 java_lang_Integer,      intValue_name, void_int_signature, F_R)               \
+   do_name(     intValue_name,           "intValue")                                                                    \
+  do_intrinsic(_longValue,                java_lang_Long,         longValue_name, void_long_signature, F_R)             \
+   do_name(     longValue_name,          "longValue")                                                                   \
+  do_intrinsic(_floatValue,               java_lang_Float,        floatValue_name, void_float_signature, F_R)           \
+   do_name(     floatValue_name,         "floatValue")                                                                  \
+  do_intrinsic(_doubleValue,              java_lang_Double,       doubleValue_name, void_double_signature, F_R)         \
+   do_name(     doubleValue_name,        "doubleValue")                                                                 \
+                                                                                                                        \
+  /* boxing methods: */                                                                                                 \
+   do_name(    valueOf_name,              "valueOf")                                                                    \
+  do_intrinsic(_Boolean_valueOf,          java_lang_Boolean,      valueOf_name, Boolean_valueOf_signature, F_S)         \
+   do_name(     Boolean_valueOf_signature,                       "(Z)Ljava/lang/Boolean;")                              \
+  do_intrinsic(_Byte_valueOf,             java_lang_Byte,         valueOf_name, Byte_valueOf_signature, F_S)            \
+   do_name(     Byte_valueOf_signature,                          "(B)Ljava/lang/Byte;")                                 \
+  do_intrinsic(_Character_valueOf,        java_lang_Character,    valueOf_name, Character_valueOf_signature, F_S)       \
+   do_name(     Character_valueOf_signature,                     "(C)Ljava/lang/Character;")                            \
+  do_intrinsic(_Short_valueOf,            java_lang_Short,        valueOf_name, Short_valueOf_signature, F_S)           \
+   do_name(     Short_valueOf_signature,                         "(S)Ljava/lang/Short;")                                \
+  do_intrinsic(_Integer_valueOf,          java_lang_Integer,      valueOf_name, Integer_valueOf_signature, F_S)         \
+   do_name(     Integer_valueOf_signature,                       "(I)Ljava/lang/Integer;")                              \
+  do_intrinsic(_Long_valueOf,             java_lang_Long,         valueOf_name, Long_valueOf_signature, F_S)            \
+   do_name(     Long_valueOf_signature,                          "(J)Ljava/lang/Long;")                                 \
+  do_intrinsic(_Float_valueOf,            java_lang_Float,        valueOf_name, Float_valueOf_signature, F_S)           \
+   do_name(     Float_valueOf_signature,                         "(F)Ljava/lang/Float;")                                \
+  do_intrinsic(_Double_valueOf,           java_lang_Double,       valueOf_name, Double_valueOf_signature, F_S)          \
+   do_name(     Double_valueOf_signature,                        "(D)Ljava/lang/Double;")                               \
                                                                                                                         \
     /*end*/
 
@@ -984,7 +1029,12 @@
     F_Y,                        // !static ?native  synchronized
     F_RN,                       // !static  native !synchronized
     F_SN,                       //  static  native !synchronized
-    F_RNY                       // !static  native  synchronized
+    F_RNY,                      // !static  native  synchronized
+
+    FLAG_LIMIT
+  };
+  enum {
+    log2_FLAG_LIMIT = 4         // checked by an assert at start-up
   };
 
 public:
@@ -996,15 +1046,32 @@
 
   static const char* name_at(ID id);
 
+private:
+  static ID find_id_impl(vmSymbols::SID holder,
+                         vmSymbols::SID name,
+                         vmSymbols::SID sig,
+                         jshort flags);
+
+public:
   // Given a method's class, name, signature, and access flags, report its ID.
   static ID find_id(vmSymbols::SID holder,
                     vmSymbols::SID name,
                     vmSymbols::SID sig,
-                    jshort flags);
+                    jshort flags) {
+    ID id = find_id_impl(holder, name, sig, flags);
+#ifdef ASSERT
+    // ID _none does not hold the following asserts.
+    if (id == _none)  return id;
+#endif
+    assert(    class_for(id) == holder, "correct id");
+    assert(     name_for(id) == name,   "correct id");
+    assert(signature_for(id) == sig,    "correct id");
+    return id;
+  }
 
   static void verify_method(ID actual_id, methodOop m) PRODUCT_RETURN;
 
-  // No need for these in the product:
+  // Find out the symbols behind an intrinsic:
   static vmSymbols::SID     class_for(ID id);
   static vmSymbols::SID      name_for(ID id);
   static vmSymbols::SID signature_for(ID id);
@@ -1014,4 +1081,11 @@
 
   // Access to intrinsic methods:
   static methodOop method_for(ID id);
+
+  // Wrapper object methods:
+  static ID for_boxing(BasicType type);
+  static ID for_unboxing(BasicType type);
+
+  // Raw conversion:
+  static ID for_raw_conversion(BasicType src, BasicType dest);
 };
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/code/codeBlob.hpp
--- a/src/share/vm/code/codeBlob.hpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/code/codeBlob.hpp	Wed Jan 06 22:21:39 2010 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright 1998-2007 Sun Microsystems, Inc.  All Rights Reserved.
+ * Copyright 1998-2009 Sun Microsystems, Inc.  All Rights Reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -102,6 +102,9 @@
   virtual bool is_compiled_by_c2() const         { return false; }
   virtual bool is_compiled_by_c1() const         { return false; }
 
+  // Casting
+  nmethod* as_nmethod_or_null()                  { return is_nmethod() ? (nmethod*) this : NULL; }
+
   // Boundaries
   address    header_begin() const                { return (address)    this; }
   address    header_end() const                  { return ((address)   this) + _header_size; };
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/code/debugInfoRec.cpp
--- a/src/share/vm/code/debugInfoRec.cpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/code/debugInfoRec.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -281,6 +281,7 @@
                                               ciMethod*   method,
                                               int         bci,
                                               bool        reexecute,
+                                              bool        is_method_handle_invoke,
                                               DebugToken* locals,
                                               DebugToken* expressions,
                                               DebugToken* monitors) {
@@ -292,8 +293,9 @@
   int stream_offset = stream()->position();
   last_pd->set_scope_decode_offset(stream_offset);
 
-  // Record reexecute bit into pcDesc
+  // Record flags into pcDesc.
   last_pd->set_should_reexecute(reexecute);
+  last_pd->set_is_method_handle_invoke(is_method_handle_invoke);
 
   // serialize sender stream offest
   stream()->write_int(sender_stream_offset);
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/code/debugInfoRec.hpp
--- a/src/share/vm/code/debugInfoRec.hpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/code/debugInfoRec.hpp	Wed Jan 06 22:21:39 2010 -0800
@@ -88,6 +88,7 @@
                       ciMethod*   method,
                       int         bci,
                       bool        reexecute,
+                      bool        is_method_handle_invoke = false,
                       DebugToken* locals      = NULL,
                       DebugToken* expressions = NULL,
                       DebugToken* monitors    = NULL);
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/code/nmethod.cpp
--- a/src/share/vm/code/nmethod.cpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/code/nmethod.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -1170,7 +1170,7 @@
 }
 
 // Common functionality for both make_not_entrant and make_zombie
-bool nmethod::make_not_entrant_or_zombie(int state) {
+bool nmethod::make_not_entrant_or_zombie(unsigned int state) {
   assert(state == zombie || state == not_entrant, "must be zombie or not_entrant");
 
   // If the method is already zombie there is nothing to do
@@ -1724,9 +1724,9 @@
   if (!method()->is_native()) {
     SimpleScopeDesc ssd(this, fr.pc());
     Bytecode_invoke* call = Bytecode_invoke_at(ssd.method(), ssd.bci());
-    bool is_static = call->is_invokestatic();
+    bool has_receiver = call->has_receiver();
     symbolOop signature = call->signature();
-    fr.oops_compiled_arguments_do(signature, is_static, reg_map, f);
+    fr.oops_compiled_arguments_do(signature, has_receiver, reg_map, f);
   }
 }
 
@@ -1763,6 +1763,14 @@
          "must end with a sentinel");
 #endif //ASSERT
 
+  // Search for MethodHandle invokes and tag the nmethod.
+  for (int i = 0; i < count; i++) {
+    if (pcs[i].is_method_handle_invoke()) {
+      set_has_method_handle_invokes(true);
+      break;
+    }
+  }
+
   int size = count * sizeof(PcDesc);
   assert(scopes_pcs_size() >= size, "oob");
   memcpy(scopes_pcs_begin(), pcs, size);
@@ -2030,6 +2038,18 @@
 
 
 // -----------------------------------------------------------------------------
+// MethodHandle
+
+bool nmethod::is_method_handle_return(address return_pc) {
+  if (!has_method_handle_invokes())  return false;
+  PcDesc* pd = pc_desc_at(return_pc);
+  if (pd == NULL)
+    return false;
+  return pd->is_method_handle_invoke();
+}
+
+
+// -----------------------------------------------------------------------------
 // Verification
 
 class VerifyOopsClosure: public OopClosure {
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/code/nmethod.hpp
--- a/src/share/vm/code/nmethod.hpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/code/nmethod.hpp	Wed Jan 06 22:21:39 2010 -0800
@@ -81,18 +81,19 @@
 
 struct nmFlags {
   friend class VMStructs;
-  unsigned int version:8;                 // version number (0 = first version)
-  unsigned int level:4;                   // optimization level
-  unsigned int age:4;                     // age (in # of sweep steps)
+  unsigned int version:8;                    // version number (0 = first version)
+  unsigned int level:4;                      // optimization level
+  unsigned int age:4;                        // age (in # of sweep steps)
 
-  unsigned int state:2;                   // {alive, zombie, unloaded)
+  unsigned int state:2;                      // {alive, zombie, unloaded)
 
-  unsigned int isUncommonRecompiled:1;    // recompiled because of uncommon trap?
-  unsigned int isToBeRecompiled:1;        // to be recompiled as soon as it matures
-  unsigned int hasFlushedDependencies:1;  // Used for maintenance of dependencies
-  unsigned int markedForReclamation:1;    // Used by NMethodSweeper
+  unsigned int isUncommonRecompiled:1;       // recompiled because of uncommon trap?
+  unsigned int isToBeRecompiled:1;           // to be recompiled as soon as it matures
+  unsigned int hasFlushedDependencies:1;     // Used for maintenance of dependencies
+  unsigned int markedForReclamation:1;       // Used by NMethodSweeper
 
-  unsigned int has_unsafe_access:1;       // May fault due to unsafe access.
+  unsigned int has_unsafe_access:1;          // May fault due to unsafe access.
+  unsigned int has_method_handle_invokes:1;  // Has this method MethodHandle invokes?
 
   void clear();
 };
@@ -254,7 +255,7 @@
   const char* reloc_string_for(u_char* begin, u_char* end);
   // Returns true if this thread changed the state of the nmethod or
   // false if another thread performed the transition.
-  bool make_not_entrant_or_zombie(int state);
+  bool make_not_entrant_or_zombie(unsigned int state);
   void inc_decompile_count();
 
   // used to check that writes to nmFlags are done consistently.
@@ -409,6 +410,9 @@
   bool  has_unsafe_access() const                 { return flags.has_unsafe_access; }
   void  set_has_unsafe_access(bool z)             { flags.has_unsafe_access = z; }
 
+  bool  has_method_handle_invokes() const         { return flags.has_method_handle_invokes; }
+  void  set_has_method_handle_invokes(bool z)     { flags.has_method_handle_invokes = z; }
+
   int   level() const                             { return flags.level; }
   void  set_level(int newLevel)                   { check_safepoint(); flags.level = newLevel; }
 
@@ -541,6 +545,9 @@
   address get_original_pc(const frame* fr) { return *orig_pc_addr(fr); }
   void    set_original_pc(const frame* fr, address pc) { *orig_pc_addr(fr) = pc; }
 
+  // MethodHandle
+  bool is_method_handle_return(address return_pc);
+
   // jvmti support:
   void post_compiled_method_load_event();
 
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/code/pcDesc.hpp
--- a/src/share/vm/code/pcDesc.hpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/code/pcDesc.hpp	Wed Jan 06 22:21:39 2010 -0800
@@ -38,6 +38,7 @@
     int word;
     struct {
       unsigned int reexecute: 1;
+      unsigned int is_method_handle_invoke: 1;
     } bits;
     bool operator ==(const PcDescFlags& other) { return word == other.word; }
   } _flags;
@@ -72,6 +73,9 @@
       _flags == pd->_flags;
   }
 
+  bool     is_method_handle_invoke()       const { return _flags.bits.is_method_handle_invoke;     }
+  void set_is_method_handle_invoke(bool z)       {        _flags.bits.is_method_handle_invoke = z; }
+
   // Returns the real pc
   address real_pc(const nmethod* code) const;
 
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/compiler/compileBroker.cpp
--- a/src/share/vm/compiler/compileBroker.cpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/compiler/compileBroker.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -1820,9 +1820,11 @@
                 CompileBroker::_t_standard_compilation.seconds(),
                 CompileBroker::_t_standard_compilation.seconds() / CompileBroker::_total_standard_compile_count);
   tty->print_cr("    On stack replacement   : %6.3f s, Average : %2.3f", CompileBroker::_t_osr_compilation.seconds(), CompileBroker::_t_osr_compilation.seconds() / CompileBroker::_total_osr_compile_count);
-  compiler(CompLevel_fast_compile)->print_timers();
-  if (compiler(CompLevel_fast_compile) != compiler(CompLevel_highest_tier)) {
-    compiler(CompLevel_highest_tier)->print_timers();
+
+  if (compiler(CompLevel_fast_compile)) {
+    compiler(CompLevel_fast_compile)->print_timers();
+    if (compiler(CompLevel_fast_compile) != compiler(CompLevel_highest_tier))
+      compiler(CompLevel_highest_tier)->print_timers();
   }
 
   tty->cr();
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/compiler/methodLiveness.cpp
--- a/src/share/vm/compiler/methodLiveness.cpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/compiler/methodLiveness.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -782,6 +782,7 @@
     case Bytecodes::_invokespecial:
     case Bytecodes::_invokestatic:
     case Bytecodes::_invokeinterface:
+    case Bytecodes::_invokedynamic:
     case Bytecodes::_newarray:
     case Bytecodes::_anewarray:
     case Bytecodes::_checkcast:
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/gc_interface/collectedHeap.cpp
--- a/src/share/vm/gc_interface/collectedHeap.cpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/gc_interface/collectedHeap.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -274,7 +274,7 @@
     fill_with_array(start, words);
   } else if (words > 0) {
     assert(words == min_fill_size(), "unaligned size");
-    post_allocation_setup_common(SystemDictionary::object_klass(), start,
+    post_allocation_setup_common(SystemDictionary::Object_klass(), start,
                                  words);
   }
 }
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/includeDB_compiler2
--- a/src/share/vm/includeDB_compiler2	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/includeDB_compiler2	Wed Jan 06 22:21:39 2010 -0800
@@ -155,6 +155,9 @@
 callGenerator.cpp                       cfgnode.hpp
 callGenerator.cpp                       compileLog.hpp
 callGenerator.cpp                       connode.hpp
+callGenerator.cpp                       ciCPCache.hpp
+callGenerator.cpp                       ciMethodHandle.hpp
+callGenerator.cpp                       javaClasses.hpp
 callGenerator.cpp                       parse.hpp
 callGenerator.cpp                       rootnode.hpp
 callGenerator.cpp                       runtime.hpp
@@ -391,6 +394,9 @@
 
 doCall.cpp                              addnode.hpp
 doCall.cpp                              callGenerator.hpp
+doCall.cpp                              ciCallSite.hpp
+doCall.cpp                              ciCPCache.hpp
+doCall.cpp                              ciMethodHandle.hpp
 doCall.cpp                              cfgnode.hpp
 doCall.cpp                              compileLog.hpp
 doCall.cpp                              linkResolver.hpp
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/includeDB_core
--- a/src/share/vm/includeDB_core	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/includeDB_core	Wed Jan 06 22:21:39 2010 -0800
@@ -516,6 +516,11 @@
 
 ciCallProfile.hpp                       ciClassList.hpp
 
+ciCallSite.cpp                          ciCallSite.hpp
+ciCallSite.cpp                          ciUtilities.hpp
+
+ciCallSite.hpp                          ciInstance.hpp
+
 ciConstant.cpp                          allocation.hpp
 ciConstant.cpp                          allocation.inline.hpp
 ciConstant.cpp                          ciConstant.hpp
@@ -532,6 +537,12 @@
 ciConstantPoolCache.hpp                 growableArray.hpp
 ciConstantPoolCache.hpp                 resourceArea.hpp
 
+ciCPCache.cpp                           cpCacheOop.hpp
+ciCPCache.cpp                           ciCPCache.hpp
+
+ciCPCache.hpp                           ciClassList.hpp
+ciCPCache.hpp                           ciObject.hpp
+
 ciEnv.cpp                               allocation.inline.hpp
 ciEnv.cpp                               ciConstant.hpp
 ciEnv.cpp                               ciEnv.hpp
@@ -593,6 +604,7 @@
 ciField.hpp                             ciClassList.hpp
 ciField.hpp                             ciConstant.hpp
 ciField.hpp                             ciFlags.hpp
+ciField.hpp                             ciInstance.hpp
 
 ciFlags.cpp                             ciFlags.hpp
 
@@ -679,6 +691,7 @@
 ciMethod.hpp                            ciInstanceKlass.hpp
 ciMethod.hpp                            ciObject.hpp
 ciMethod.hpp                            ciSignature.hpp
+ciMethod.hpp                            methodHandles.hpp
 ciMethod.hpp                            methodLiveness.hpp
 
 ciMethodBlocks.cpp                      bytecode.hpp
@@ -710,6 +723,15 @@
 ciMethodKlass.hpp                       ciKlass.hpp
 ciMethodKlass.hpp                       ciSymbol.hpp
 
+ciMethodHandle.cpp                      ciClassList.hpp
+ciMethodHandle.cpp                      ciInstance.hpp
+ciMethodHandle.cpp                      ciMethodHandle.hpp
+ciMethodHandle.cpp                      ciUtilities.hpp
+ciMethodHandle.cpp                      methodHandles.hpp
+ciMethodHandle.cpp                      methodHandleWalk.hpp
+
+ciMethodHandle.hpp                      methodHandles.hpp
+
 ciNullObject.cpp                        ciNullObject.hpp
 
 ciNullObject.hpp                        ciClassList.hpp
@@ -755,11 +777,14 @@
 ciObject.hpp                            jniHandles.hpp
 
 ciObjectFactory.cpp                     allocation.inline.hpp
+ciObjectFactory.cpp                     ciCallSite.hpp
+ciObjectFactory.cpp                     ciCPCache.hpp
 ciObjectFactory.cpp                     ciInstance.hpp
 ciObjectFactory.cpp                     ciInstanceKlass.hpp
 ciObjectFactory.cpp                     ciInstanceKlassKlass.hpp
 ciObjectFactory.cpp                     ciMethod.hpp
 ciObjectFactory.cpp                     ciMethodData.hpp
+ciObjectFactory.cpp                     ciMethodHandle.hpp
 ciObjectFactory.cpp                     ciMethodKlass.hpp
 ciObjectFactory.cpp                     ciNullObject.hpp
 ciObjectFactory.cpp                     ciObjArray.hpp
@@ -793,6 +818,7 @@
 ciSignature.hpp                         globalDefinitions.hpp
 ciSignature.hpp                         growableArray.hpp
 
+ciStreams.cpp                           ciCallSite.hpp
 ciStreams.cpp                           ciConstant.hpp
 ciStreams.cpp                           ciField.hpp
 ciStreams.cpp                           ciStreams.hpp
@@ -2814,6 +2840,12 @@
 methodDataOop.hpp                       orderAccess.hpp
 methodDataOop.hpp                       universe.hpp
 
+methodHandleWalk.hpp                    methodHandles.hpp
+
+methodHandleWalk.cpp                    methodHandleWalk.hpp
+methodHandleWalk.cpp                    oopFactory.hpp
+methodHandleWalk.cpp                    rewriter.hpp
+
 methodHandles.hpp                       frame.inline.hpp
 methodHandles.hpp                       globals.hpp
 methodHandles.hpp                       interfaceSupport.hpp
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/interpreter/bytecode.cpp
--- a/src/share/vm/interpreter/bytecode.cpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/interpreter/bytecode.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -102,7 +102,9 @@
   KlassHandle resolved_klass;
   constantPoolHandle constants(THREAD, _method->constants());
 
-  if (adjusted_invoke_code() != Bytecodes::_invokeinterface) {
+  if (adjusted_invoke_code() == Bytecodes::_invokedynamic) {
+    LinkResolver::resolve_dynamic_method(m, resolved_klass, constants, index(), CHECK_(methodHandle()));
+  } else if (adjusted_invoke_code() != Bytecodes::_invokeinterface) {
     LinkResolver::resolve_method(m, resolved_klass, constants, index(), CHECK_(methodHandle()));
   } else {
     LinkResolver::resolve_interface_method(m, resolved_klass, constants, index(), CHECK_(methodHandle()));
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/interpreter/bytecode.hpp
--- a/src/share/vm/interpreter/bytecode.hpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/interpreter/bytecode.hpp	Wed Jan 06 22:21:39 2010 -0800
@@ -205,12 +205,14 @@
   bool is_invokespecial() const                  { return adjusted_invoke_code() == Bytecodes::_invokespecial; }
   bool is_invokedynamic() const                  { return adjusted_invoke_code() == Bytecodes::_invokedynamic; }
 
+  bool has_receiver() const                      { return !is_invokestatic() && !is_invokedynamic(); }
   bool has_giant_index() const                   { return is_invokedynamic(); }
 
   bool is_valid() const                          { return is_invokeinterface() ||
                                                           is_invokevirtual()   ||
                                                           is_invokestatic()    ||
-                                                          is_invokespecial();     }
+                                                          is_invokespecial()   ||
+                                                          is_invokedynamic(); }
 
   // Creation
   inline friend Bytecode_invoke* Bytecode_invoke_at(methodHandle method, int bci);
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/interpreter/bytecodeTracer.cpp
--- a/src/share/vm/interpreter/bytecodeTracer.cpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/interpreter/bytecodeTracer.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -270,6 +270,8 @@
     st->print_cr(" %s", constants->resolved_klass_at(i)->klass_part()->external_name());
   } else if (tag.is_unresolved_klass()) {
     st->print_cr(" <unresolved klass at %d>", i);
+  } else if (tag.is_object()) {
+    st->print_cr(" " PTR_FORMAT, constants->object_at(i));
   } else {
     st->print_cr(" bad tag=%d at %d", tag.value(), i);
   }
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/interpreter/bytecodes.cpp
--- a/src/share/vm/interpreter/bytecodes.cpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/interpreter/bytecodes.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -357,7 +357,7 @@
   def(_invokespecial       , "invokespecial"       , "bjj"  , NULL    , T_ILLEGAL, -1, true);
   def(_invokestatic        , "invokestatic"        , "bjj"  , NULL    , T_ILLEGAL,  0, true);
   def(_invokeinterface     , "invokeinterface"     , "bjj__", NULL    , T_ILLEGAL, -1, true);
-  def(_invokedynamic       , "invokedynamic"       , "bjjjj", NULL    , T_ILLEGAL, -1, true );
+  def(_invokedynamic       , "invokedynamic"       , "bjjjj", NULL    , T_ILLEGAL,  0, true );
   def(_new                 , "new"                 , "bii"  , NULL    , T_OBJECT ,  1, true );
   def(_newarray            , "newarray"            , "bc"   , NULL    , T_OBJECT ,  0, true );
   def(_anewarray           , "anewarray"           , "bii"  , NULL    , T_OBJECT ,  0, true );
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/interpreter/interpreter.cpp
--- a/src/share/vm/interpreter/interpreter.cpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/interpreter/interpreter.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -323,7 +323,7 @@
       // (NOT needed for the old calling convension)
       if (!is_top_frame) {
         int index = Bytes::get_native_u4(bcp+1);
-        method->constants()->cache()->entry_at(index)->set_parameter_size(callee_parameters);
+        method->constants()->cache()->secondary_entry_at(index)->set_parameter_size(callee_parameters);
       }
       break;
     }
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/interpreter/interpreterRuntime.cpp
--- a/src/share/vm/interpreter/interpreterRuntime.cpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/interpreter/interpreterRuntime.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -353,7 +353,7 @@
     assert(h_exception.not_null(), "NULL exceptions should be handled by athrow");
     assert(h_exception->is_oop(), "just checking");
     // Check that exception is a subclass of Throwable, otherwise we have a VerifyError
-    if (!(h_exception->is_a(SystemDictionary::throwable_klass()))) {
+    if (!(h_exception->is_a(SystemDictionary::Throwable_klass()))) {
       if (ExitVMOnVerifyError) vm_exit(-1);
       ShouldNotReachHere();
     }
@@ -585,7 +585,7 @@
   Handle exception(thread, thread->vm_result());
   assert(exception() != NULL, "vm result should be set");
   thread->set_vm_result(NULL); // clear vm result before continuing (may cause memory leaks and assert failures)
-  if (!exception->is_a(SystemDictionary::threaddeath_klass())) {
+  if (!exception->is_a(SystemDictionary::ThreadDeath_klass())) {
     exception = get_preinitialized_exception(
                        SystemDictionary::IllegalMonitorStateException_klass(),
                        CATCH);
@@ -660,7 +660,7 @@
       tty->print_cr("Resolving: klass: %s to method: %s", info.resolved_klass()->name()->as_C_string(), info.resolved_method()->name()->as_C_string());
     }
     if (info.resolved_method()->method_holder() ==
-                                            SystemDictionary::object_klass()) {
+                                            SystemDictionary::Object_klass()) {
       // NOTE: THIS IS A FIX FOR A CORNER CASE in the JVM spec
       // (see also cpCacheOop.cpp for details)
       methodHandle rm = info.resolved_method();
@@ -1250,7 +1250,7 @@
   methodHandle mh(thread, fr.interpreter_frame_method());
   Bytecode_invoke* invoke = Bytecode_invoke_at(mh, bci);
   ArgumentSizeComputer asc(invoke->signature());
-  int size_of_arguments = (asc.size() + (invoke->is_invokestatic() ? 0 : 1)); // receiver
+  int size_of_arguments = (asc.size() + (invoke->has_receiver() ? 1 : 0)); // receiver
   Copy::conjoint_bytes(src_address, dest_address,
                        size_of_arguments * Interpreter::stackElementSize());
 IRT_END
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/interpreter/linkResolver.cpp
--- a/src/share/vm/interpreter/linkResolver.cpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/interpreter/linkResolver.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -55,7 +55,7 @@
   // we should pick the vtable index from the resolved method.
   // Other than that case, there is no valid vtable index to specify.
   int vtable_index = methodOopDesc::invalid_vtable_index;
-  if (resolved_method->method_holder() == SystemDictionary::object_klass()) {
+  if (resolved_method->method_holder() == SystemDictionary::Object_klass()) {
     assert(resolved_method->vtable_index() == selected_method->vtable_index(), "sanity check");
     vtable_index = resolved_method->vtable_index();
   }
@@ -75,6 +75,8 @@
   _selected_method = selected_method;
   _vtable_index    = vtable_index;
   if (CompilationPolicy::mustBeCompiled(selected_method)) {
+    // This path is unusual, mostly used by the '-Xcomp' stress test mode.
+
     // Note: with several active threads, the mustBeCompiled may be true
     //       while canBeCompiled is false; remove assert
     // assert(CompilationPolicy::canBeCompiled(selected_method), "cannot compile");
@@ -82,6 +84,16 @@
       // don't force compilation, resolve was on behalf of compiler
       return;
     }
+    if (instanceKlass::cast(selected_method->method_holder())->is_not_initialized()) {
+      // 'is_not_initialized' means not only '!is_initialized', but also that
+      // initialization has not been started yet ('!being_initialized')
+      // Do not force compilation of methods in uninitialized classes.
+      // Note that doing this would throw an assert later,
+      // in CompileBroker::compile_method.
+      // We sometimes use the link resolver to do reflective lookups
+      // even before classes are initialized.
+      return;
+    }
     CompileBroker::compile_method(selected_method, InvocationEntryBci,
                                   methodHandle(), 0, "mustBeCompiled", CHECK);
   }
@@ -181,7 +193,7 @@
   // We'll check for the method name first, as that's most likely
   // to be false (so we'll short-circuit out of these tests).
   if (sel_method->name() == vmSymbols::clone_name() &&
-      sel_klass() == SystemDictionary::object_klass() &&
+      sel_klass() == SystemDictionary::Object_klass() &&
       resolved_klass->oop_is_array()) {
     // We need to change "protected" to "public".
     assert(flags.is_protected(), "clone not protected?");
@@ -223,6 +235,18 @@
   resolve_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, true, CHECK);
 }
 
+void LinkResolver::resolve_dynamic_method(methodHandle& resolved_method, KlassHandle& resolved_klass, constantPoolHandle pool, int index, TRAPS) {
+  // The class is java.dyn.MethodHandle
+  resolved_klass = SystemDictionaryHandles::MethodHandle_klass();
+
+  symbolHandle method_name = vmSymbolHandles::invoke_name();
+
+  symbolHandle method_signature(THREAD, pool->signature_ref_at(index));
+  KlassHandle  current_klass   (THREAD, pool->pool_holder());
+
+  resolve_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, true, CHECK);
+}
+
 void LinkResolver::resolve_interface_method(methodHandle& resolved_method, KlassHandle& resolved_klass, constantPoolHandle pool, int index, TRAPS) {
 
   // resolve klass
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/interpreter/linkResolver.hpp
--- a/src/share/vm/interpreter/linkResolver.hpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/interpreter/linkResolver.hpp	Wed Jan 06 22:21:39 2010 -0800
@@ -133,6 +133,7 @@
 
   // static resolving for all calls except interface calls
   static void resolve_method          (methodHandle& method_result, KlassHandle& klass_result, constantPoolHandle pool, int index, TRAPS);
+  static void resolve_dynamic_method  (methodHandle& resolved_method, KlassHandle& resolved_klass, constantPoolHandle pool, int index, TRAPS);
   static void resolve_interface_method(methodHandle& method_result, KlassHandle& klass_result, constantPoolHandle pool, int index, TRAPS);
 
   // runtime/static resolving for fields
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/interpreter/rewriter.cpp
--- a/src/share/vm/interpreter/rewriter.cpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/interpreter/rewriter.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -247,15 +247,22 @@
 
 void Rewriter::rewrite(instanceKlassHandle klass, TRAPS) {
   ResourceMark rm(THREAD);
-  Rewriter     rw(klass, CHECK);
+  Rewriter     rw(klass, klass->constants(), klass->methods(), CHECK);
   // (That's all, folks.)
 }
 
-Rewriter::Rewriter(instanceKlassHandle klass, TRAPS)
+
+void Rewriter::rewrite(instanceKlassHandle klass, constantPoolHandle cpool, objArrayHandle methods, TRAPS) {
+  ResourceMark rm(THREAD);
+  Rewriter     rw(klass, cpool, methods, CHECK);
+  // (That's all, folks.)
+}
+
+
+Rewriter::Rewriter(instanceKlassHandle klass, constantPoolHandle cpool, objArrayHandle methods, TRAPS)
   : _klass(klass),
-    // gather starting points
-    _pool(   THREAD, klass->constants()),
-    _methods(THREAD, klass->methods())
+    _pool(cpool),
+    _methods(methods)
 {
   assert(_pool->cache() == NULL, "constant pool cache must not be set yet");
 
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/interpreter/rewriter.hpp
--- a/src/share/vm/interpreter/rewriter.hpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/interpreter/rewriter.hpp	Wed Jan 06 22:21:39 2010 -0800
@@ -57,7 +57,7 @@
   }
 
   // All the work goes in here:
-  Rewriter(instanceKlassHandle klass, TRAPS);
+  Rewriter(instanceKlassHandle klass, constantPoolHandle cpool, objArrayHandle methods, TRAPS);
 
   void compute_index_maps();
   void make_constant_pool_cache(TRAPS);
@@ -70,6 +70,7 @@
  public:
   // Driver routine:
   static void rewrite(instanceKlassHandle klass, TRAPS);
+  static void rewrite(instanceKlassHandle klass, constantPoolHandle cpool, objArrayHandle methods, TRAPS);
 
   enum {
     _secondary_entry_tag = nth_bit(30)
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/memory/classify.cpp
--- a/src/share/vm/memory/classify.cpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/memory/classify.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -49,7 +49,7 @@
 
   Klass* k = obj->blueprint();
 
-  if (k->as_klassOop() == SystemDictionary::object_klass()) {
+  if (k->as_klassOop() == SystemDictionary::Object_klass()) {
     tty->print_cr("Found the class!");
   }
 
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/memory/dump.cpp
--- a/src/share/vm/memory/dump.cpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/memory/dump.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -63,7 +63,7 @@
   void do_oop(oop* p) {
     if (p != NULL) {
       oop obj = *p;
-      if (obj->klass() == SystemDictionary::string_klass()) {
+      if (obj->klass() == SystemDictionary::String_klass()) {
 
         int hash;
         typeArrayOop value = java_lang_String::value(obj);
@@ -625,11 +625,11 @@
 
     if (obj->is_klass() || obj->is_instance()) {
       if (obj->is_klass() ||
-          obj->is_a(SystemDictionary::class_klass()) ||
-          obj->is_a(SystemDictionary::throwable_klass())) {
+          obj->is_a(SystemDictionary::Class_klass()) ||
+          obj->is_a(SystemDictionary::Throwable_klass())) {
         // Do nothing
       }
-      else if (obj->is_a(SystemDictionary::string_klass())) {
+      else if (obj->is_a(SystemDictionary::String_klass())) {
         // immutable objects.
       } else {
         // someone added an object we hadn't accounted for.
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/memory/referenceProcessor.cpp
--- a/src/share/vm/memory/referenceProcessor.cpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/memory/referenceProcessor.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -71,7 +71,7 @@
   assert(_sentinelRef == NULL, "should be initialized precisely once");
   EXCEPTION_MARK;
   _sentinelRef = instanceKlass::cast(
-                    SystemDictionary::reference_klass())->
+                    SystemDictionary::Reference_klass())->
                       allocate_permanent_instance(THREAD);
 
   // Initialize the master soft ref clock.
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/memory/space.cpp
--- a/src/share/vm/memory/space.cpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/memory/space.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -876,7 +876,7 @@
     instanceOop obj = (instanceOop) allocate(size);
     obj->set_mark(markOopDesc::prototype());
     obj->set_klass_gap(0);
-    obj->set_klass(SystemDictionary::object_klass());
+    obj->set_klass(SystemDictionary::Object_klass());
   }
 }
 
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/memory/universe.cpp
--- a/src/share/vm/memory/universe.cpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/memory/universe.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -291,7 +291,7 @@
 
     SystemDictionary::initialize(CHECK);
 
-    klassOop ok = SystemDictionary::object_klass();
+    klassOop ok = SystemDictionary::Object_klass();
 
     _the_null_string            = StringTable::intern("null", CHECK);
     _the_min_jint_string       = StringTable::intern("-2147483648", CHECK);
@@ -299,9 +299,9 @@
     if (UseSharedSpaces) {
       // Verify shared interfaces array.
       assert(_the_array_interfaces_array->obj_at(0) ==
-             SystemDictionary::cloneable_klass(), "u3");
+             SystemDictionary::Cloneable_klass(), "u3");
       assert(_the_array_interfaces_array->obj_at(1) ==
-             SystemDictionary::serializable_klass(), "u3");
+             SystemDictionary::Serializable_klass(), "u3");
 
       // Verify element klass for system obj array klass
       assert(objArrayKlass::cast(_systemObjArrayKlassObj)->element_klass() == ok, "u1");
@@ -320,8 +320,8 @@
       assert(Klass::cast(systemObjArrayKlassObj())->super() == ok, "u3");
     } else {
       // Set up shared interfaces array.  (Do this before supers are set up.)
-      _the_array_interfaces_array->obj_at_put(0, SystemDictionary::cloneable_klass());
-      _the_array_interfaces_array->obj_at_put(1, SystemDictionary::serializable_klass());
+      _the_array_interfaces_array->obj_at_put(0, SystemDictionary::Cloneable_klass());
+      _the_array_interfaces_array->obj_at_put(1, SystemDictionary::Serializable_klass());
 
       // Set element klass for system obj array klass
       objArrayKlass::cast(_systemObjArrayKlassObj)->set_element_klass(ok);
@@ -365,7 +365,7 @@
   // Initialize _objectArrayKlass after core bootstraping to make
   // sure the super class is set up properly for _objectArrayKlass.
   _objectArrayKlassObj = instanceKlass::
-    cast(SystemDictionary::object_klass())->array_klass(1, CHECK);
+    cast(SystemDictionary::Object_klass())->array_klass(1, CHECK);
   // Add the class to the class hierarchy manually to make sure that
   // its vtable is initialized after core bootstrapping is completed.
   Klass::cast(_objectArrayKlassObj)->append_to_sibling_list();
@@ -426,11 +426,11 @@
     while (i < size) {
       if (!UseConcMarkSweepGC) {
         // Allocate dummy in old generation
-        oop dummy = instanceKlass::cast(SystemDictionary::object_klass())->allocate_instance(CHECK);
+        oop dummy = instanceKlass::cast(SystemDictionary::Object_klass())->allocate_instance(CHECK);
         dummy_array->obj_at_put(i++, dummy);
       }
       // Allocate dummy in permanent generation
-      oop dummy = instanceKlass::cast(SystemDictionary::object_klass())->allocate_permanent_instance(CHECK);
+      oop dummy = instanceKlass::cast(SystemDictionary::Object_klass())->allocate_permanent_instance(CHECK);
       dummy_array->obj_at_put(i++, dummy);
     }
     {
@@ -540,7 +540,7 @@
   // but we cannot do that for classes created before java.lang.Class is loaded. Here we simply
   // walk over permanent objects created so far (mostly classes) and fixup their mirrors. Note
   // that the number of objects allocated at this point is very small.
-  assert(SystemDictionary::class_klass_loaded(), "java.lang.Class should be loaded");
+  assert(SystemDictionary::Class_klass_loaded(), "java.lang.Class should be loaded");
   FixupMirrorClosure blk;
   Universe::heap()->permanent_object_iterate(&blk);
 }
@@ -556,7 +556,7 @@
   if (TraceReferenceGC) tty->print_cr("Callback to run finalizers on exit");
   {
     PRESERVE_EXCEPTION_MARK;
-    KlassHandle finalizer_klass(THREAD, SystemDictionary::finalizer_klass());
+    KlassHandle finalizer_klass(THREAD, SystemDictionary::Finalizer_klass());
     JavaValue result(T_VOID);
     JavaCalls::call_static(
       &result,
@@ -950,7 +950,7 @@
   { ResourceMark rm;
     Interpreter::initialize();      // needed for interpreter entry points
     if (!UseSharedSpaces) {
-      KlassHandle ok_h(THREAD, SystemDictionary::object_klass());
+      KlassHandle ok_h(THREAD, SystemDictionary::Object_klass());
       Universe::reinitialize_vtable_of(ok_h, CHECK_false);
       Universe::reinitialize_itables(CHECK_false);
     }
@@ -960,7 +960,7 @@
   instanceKlassHandle k_h;
   if (!UseSharedSpaces) {
     // Setup preallocated empty java.lang.Class array
-    Universe::_the_empty_class_klass_array = oopFactory::new_objArray(SystemDictionary::class_klass(), 0, CHECK_false);
+    Universe::_the_empty_class_klass_array = oopFactory::new_objArray(SystemDictionary::Class_klass(), 0, CHECK_false);
     // Setup preallocated OutOfMemoryError errors
     k = SystemDictionary::resolve_or_fail(vmSymbolHandles::java_lang_OutOfMemoryError(), true, CHECK_false);
     k_h = instanceKlassHandle(THREAD, k);
@@ -1027,8 +1027,8 @@
   // Setup static method for registering finalizers
   // The finalizer klass must be linked before looking up the method, in
   // case it needs to get rewritten.
-  instanceKlass::cast(SystemDictionary::finalizer_klass())->link_class(CHECK_false);
-  methodOop m = instanceKlass::cast(SystemDictionary::finalizer_klass())->find_method(
+  instanceKlass::cast(SystemDictionary::Finalizer_klass())->link_class(CHECK_false);
+  methodOop m = instanceKlass::cast(SystemDictionary::Finalizer_klass())->find_method(
                                   vmSymbols::register_method_name(),
                                   vmSymbols::register_method_signature());
   if (m == NULL || !m->is_static()) {
@@ -1036,7 +1036,7 @@
       "java.lang.ref.Finalizer.register", false);
   }
   Universe::_finalizer_register_cache->init(
-    SystemDictionary::finalizer_klass(), m, CHECK_false);
+    SystemDictionary::Finalizer_klass(), m, CHECK_false);
 
   // Resolve on first use and initialize class.
   // Note: No race-condition here, since a resolve will always return the same result
@@ -1053,14 +1053,14 @@
   Universe::_reflect_invoke_cache->init(k_h(), m, CHECK_false);
 
   // Setup method for registering loaded classes in class loader vector
-  instanceKlass::cast(SystemDictionary::classloader_klass())->link_class(CHECK_false);
-  m = instanceKlass::cast(SystemDictionary::classloader_klass())->find_method(vmSymbols::addClass_name(), vmSymbols::class_void_signature());
+  instanceKlass::cast(SystemDictionary::ClassLoader_klass())->link_class(CHECK_false);
+  m = instanceKlass::cast(SystemDictionary::ClassLoader_klass())->find_method(vmSymbols::addClass_name(), vmSymbols::class_void_signature());
   if (m == NULL || m->is_static()) {
     THROW_MSG_(vmSymbols::java_lang_NoSuchMethodException(),
       "java.lang.ClassLoader.addClass", false);
   }
   Universe::_loader_addClass_cache->init(
-    SystemDictionary::classloader_klass(), m, CHECK_false);
+    SystemDictionary::ClassLoader_klass(), m, CHECK_false);
 
   // The folowing is initializing converter functions for serialization in
   // JVM.cpp. If we clean up the StrictMath code above we may want to find
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/oops/arrayKlass.cpp
--- a/src/share/vm/oops/arrayKlass.cpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/oops/arrayKlass.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -43,7 +43,7 @@
   if (super() == NULL)  return NULL;  // bootstrap case
   // Array klasses have primary supertypes which are not reported to Java.
   // Example super chain:  String[][] -> Object[][] -> Object[] -> Object
-  return SystemDictionary::object_klass();
+  return SystemDictionary::Object_klass();
 }
 
 
@@ -82,7 +82,7 @@
   k = arrayKlassHandle(THREAD, base_klass());
 
   assert(!k()->is_parsable(), "not expecting parsability yet.");
-  k->set_super(Universe::is_bootstrapping() ? (klassOop)NULL : SystemDictionary::object_klass());
+  k->set_super(Universe::is_bootstrapping() ? (klassOop)NULL : SystemDictionary::Object_klass());
   k->set_layout_helper(Klass::_lh_neutral_value);
   k->set_dimension(1);
   k->set_higher_dimension(NULL);
@@ -117,9 +117,9 @@
 
 bool arrayKlass::compute_is_subtype_of(klassOop k) {
   // An array is a subtype of Serializable, Clonable, and Object
-  return    k == SystemDictionary::object_klass()
-         || k == SystemDictionary::cloneable_klass()
-         || k == SystemDictionary::serializable_klass();
+  return    k == SystemDictionary::Object_klass()
+         || k == SystemDictionary::Cloneable_klass()
+         || k == SystemDictionary::Serializable_klass();
 }
 
 
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/oops/arrayKlass.hpp
--- a/src/share/vm/oops/arrayKlass.hpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/oops/arrayKlass.hpp	Wed Jan 06 22:21:39 2010 -0800
@@ -67,7 +67,7 @@
   // Compiler/Interpreter offset
   static ByteSize component_mirror_offset() { return byte_offset_of(arrayKlass, _component_mirror); }
 
-  virtual klassOop java_super() const;//{ return SystemDictionary::object_klass(); }
+  virtual klassOop java_super() const;//{ return SystemDictionary::Object_klass(); }
 
   // Allocation
   // Sizes points to the first dimension of the array, subsequent dimensions
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/oops/constMethodOop.hpp
--- a/src/share/vm/oops/constMethodOop.hpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/oops/constMethodOop.hpp	Wed Jan 06 22:21:39 2010 -0800
@@ -258,6 +258,11 @@
   LocalVariableTableElement* localvariable_table_start() const;
 
   // byte codes
+  void    set_code(address code) {
+    if (code_size() > 0) {
+      memcpy(code_base(), code, code_size());
+    }
+  }
   address code_base() const            { return (address) (this+1); }
   address code_end() const             { return code_base() + code_size(); }
   bool    contains(address bcp) const  { return code_base() <= bcp
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/oops/constantPoolOop.cpp
--- a/src/share/vm/oops/constantPoolOop.cpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/oops/constantPoolOop.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -110,7 +110,7 @@
         }
 
         if (!PENDING_EXCEPTION->
-              is_a(SystemDictionary::linkageError_klass())) {
+              is_a(SystemDictionary::LinkageError_klass())) {
           // Just throw the exception and don't prevent these classes from
           // being loaded due to virtual machine errors like StackOverflow
           // and OutOfMemoryError, etc, or if the thread was hit by stop()
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/oops/constantPoolOop.hpp
--- a/src/share/vm/oops/constantPoolOop.hpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/oops/constantPoolOop.hpp	Wed Jan 06 22:21:39 2010 -0800
@@ -191,6 +191,16 @@
     }
   }
 
+  void object_at_put(int which, oop str) {
+    oop_store((volatile oop*) obj_at_addr(which), str);
+    release_tag_at_put(which, JVM_CONSTANT_Object);
+    if (UseConcMarkSweepGC) {
+      // In case the earlier card-mark was consumed by a concurrent
+      // marking thread before the tag was updated, redirty the card.
+      oop_store_without_check((volatile oop*) obj_at_addr(which), str);
+    }
+  }
+
   // For temporary use while constructing constant pool
   void string_index_at_put(int which, int string_index) {
     tag_at_put(which, JVM_CONSTANT_StringIndex);
@@ -228,7 +238,8 @@
       tag.is_unresolved_klass() ||
       tag.is_symbol() ||
       tag.is_unresolved_string() ||
-      tag.is_string();
+      tag.is_string() ||
+      tag.is_object();
   }
 
   // Fetching constants
@@ -291,6 +302,11 @@
     return string_at_impl(h_this, which, CHECK_NULL);
   }
 
+  oop object_at(int which) {
+    assert(tag_at(which).is_object(), "Corrupted constant pool");
+    return *obj_at_addr(which);
+  }
+
   // A "pseudo-string" is an non-string oop that has found is way into
   // a String entry.
   // Under AnonymousClasses this can happen if the user patches a live
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/oops/generateOopMap.cpp
--- a/src/share/vm/oops/generateOopMap.cpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/oops/generateOopMap.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -1556,13 +1556,13 @@
     case Bytecodes::_getfield:          do_field(true,  false, itr->get_index_big(), itr->bci()); break;
     case Bytecodes::_putfield:          do_field(false, false, itr->get_index_big(), itr->bci()); break;
 
-   case Bytecodes::_invokevirtual:
-   case Bytecodes::_invokespecial:     do_method(false, false, itr->get_index_big(), itr->bci()); break;
-   case Bytecodes::_invokestatic:      do_method(true,  false, itr->get_index_big(), itr->bci()); break;
+    case Bytecodes::_invokevirtual:
+    case Bytecodes::_invokespecial:     do_method(false, false, itr->get_index_big(), itr->bci()); break;
+    case Bytecodes::_invokestatic:      do_method(true,  false, itr->get_index_big(), itr->bci()); break;
     case Bytecodes::_invokedynamic:     do_method(true,  false, itr->get_index_int(), itr->bci()); break;
-   case Bytecodes::_invokeinterface:   do_method(false, true,  itr->get_index_big(), itr->bci()); break;
-   case Bytecodes::_newarray:
-   case Bytecodes::_anewarray:         pp_new_ref(vCTS, itr->bci()); break;
+    case Bytecodes::_invokeinterface:   do_method(false, true,  itr->get_index_big(), itr->bci()); break;
+    case Bytecodes::_newarray:
+    case Bytecodes::_anewarray:         pp_new_ref(vCTS, itr->bci()); break;
     case Bytecodes::_checkcast:         do_checkcast(); break;
     case Bytecodes::_arraylength:
     case Bytecodes::_instanceof:        pp(rCTS, vCTS); break;
@@ -1830,12 +1830,8 @@
 
 
 void GenerateOopMap::do_ldc(int idx, int bci) {
-  constantPoolOop cp = method()->constants();
-  constantTag tag    = cp->tag_at(idx);
-
-  CellTypeState cts = (tag.is_string() || tag.is_unresolved_string() ||
-                       tag.is_klass()  || tag.is_unresolved_klass())
-                    ? CellTypeState::make_line_ref(bci) : valCTS;
+  constantPoolOop cp  = method()->constants();
+  CellTypeState   cts = cp->is_pointer_entry(idx) ? CellTypeState::make_line_ref(bci) : valCTS;
   ppush1(cts);
 }
 
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/oops/instanceKlass.cpp
--- a/src/share/vm/oops/instanceKlass.cpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/oops/instanceKlass.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -383,7 +383,7 @@
       this_oop->set_initialization_state_and_notify(initialization_error, THREAD);
       CLEAR_PENDING_EXCEPTION;   // ignore any exception thrown, class initialization error is thrown below
     }
-    if (e->is_a(SystemDictionary::error_klass())) {
+    if (e->is_a(SystemDictionary::Error_klass())) {
       THROW_OOP(e());
     } else {
       JavaCallArguments args(e);
@@ -568,7 +568,7 @@
     THROW_MSG(throwError ? vmSymbols::java_lang_InstantiationError()
               : vmSymbols::java_lang_InstantiationException(), external_name());
   }
-  if (as_klassOop() == SystemDictionary::class_klass()) {
+  if (as_klassOop() == SystemDictionary::Class_klass()) {
     ResourceMark rm(THREAD);
     THROW_MSG(throwError ? vmSymbols::java_lang_IllegalAccessError()
               : vmSymbols::java_lang_IllegalAccessException(), external_name());
@@ -2225,7 +2225,7 @@
 void instanceKlass::oop_print_on(oop obj, outputStream* st) {
   Klass::oop_print_on(obj, st);
 
-  if (as_klassOop() == SystemDictionary::string_klass()) {
+  if (as_klassOop() == SystemDictionary::String_klass()) {
     typeArrayOop value  = java_lang_String::value(obj);
     juint        offset = java_lang_String::offset(obj);
     juint        length = java_lang_String::length(obj);
@@ -2245,7 +2245,7 @@
   FieldPrinter print_nonstatic_field(st, obj);
   do_nonstatic_fields(&print_nonstatic_field);
 
-  if (as_klassOop() == SystemDictionary::class_klass()) {
+  if (as_klassOop() == SystemDictionary::Class_klass()) {
     st->print(BULLET"signature: ");
     java_lang_Class::print_signature(obj, st);
     st->cr();
@@ -2272,7 +2272,7 @@
   st->print("a ");
   name()->print_value_on(st);
   obj->print_address_on(st);
-  if (as_klassOop() == SystemDictionary::string_klass()
+  if (as_klassOop() == SystemDictionary::String_klass()
       && java_lang_String::value(obj) != NULL) {
     ResourceMark rm;
     int len = java_lang_String::length(obj);
@@ -2281,7 +2281,7 @@
     st->print(" = \"%s\"", str);
     if (len > plen)
       st->print("...[%d]", len);
-  } else if (as_klassOop() == SystemDictionary::class_klass()) {
+  } else if (as_klassOop() == SystemDictionary::Class_klass()) {
     klassOop k = java_lang_Class::as_klassOop(obj);
     st->print(" = ");
     if (k != NULL) {
@@ -2348,7 +2348,7 @@
 
     // Check that we have the right class
     static bool first_time = true;
-    guarantee(k == SystemDictionary::class_klass() && first_time, "Invalid verify of maps");
+    guarantee(k == SystemDictionary::Class_klass() && first_time, "Invalid verify of maps");
     first_time = false;
     const int extra = java_lang_Class::number_of_fake_oop_fields;
     guarantee(ik->nonstatic_field_size() == extra, "just checking");
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/oops/instanceRefKlass.cpp
--- a/src/share/vm/oops/instanceRefKlass.cpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/oops/instanceRefKlass.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -397,7 +397,7 @@
 
   // Check that we have the right class
   debug_only(static bool first_time = true);
-  assert(k == SystemDictionary::reference_klass() && first_time,
+  assert(k == SystemDictionary::Reference_klass() && first_time,
          "Invalid update of maps");
   debug_only(first_time = false);
   assert(ik->nonstatic_oop_map_count() == 1, "just checking");
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/oops/klass.cpp
--- a/src/share/vm/oops/klass.cpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/oops/klass.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -217,8 +217,8 @@
     set_super(NULL);
     oop_store_without_check((oop*) &_primary_supers[0], (oop) this->as_klassOop());
     assert(super_depth() == 0, "Object must already be initialized properly");
-  } else if (k != super() || k == SystemDictionary::object_klass()) {
-    assert(super() == NULL || super() == SystemDictionary::object_klass(),
+  } else if (k != super() || k == SystemDictionary::Object_klass()) {
+    assert(super() == NULL || super() == SystemDictionary::Object_klass(),
            "initialize this only once to a non-trivial value");
     set_super(k);
     Klass* sup = k->klass_part();
@@ -370,7 +370,7 @@
 void Klass::remove_from_sibling_list() {
   // remove receiver from sibling list
   instanceKlass* super = superklass();
-  assert(super != NULL || as_klassOop() == SystemDictionary::object_klass(), "should have super");
+  assert(super != NULL || as_klassOop() == SystemDictionary::Object_klass(), "should have super");
   if (super == NULL) return;        // special case: class Object
   if (super->subklass() == this) {
     // first subklass
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/oops/methodOop.cpp
--- a/src/share/vm/oops/methodOop.cpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/oops/methodOop.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -456,12 +456,12 @@
     return objArrayHandle(THREAD, Universe::the_empty_class_klass_array());
   } else {
     methodHandle h_this(THREAD, this_oop);
-    objArrayOop m_oop = oopFactory::new_objArray(SystemDictionary::class_klass(), length, CHECK_(objArrayHandle()));
+    objArrayOop m_oop = oopFactory::new_objArray(SystemDictionary::Class_klass(), length, CHECK_(objArrayHandle()));
     objArrayHandle mirrors (THREAD, m_oop);
     for (int i = 0; i < length; i++) {
       CheckedExceptionElement* table = h_this->checked_exceptions_start(); // recompute on each iteration, not gc safe
       klassOop k = h_this->constants()->klass_at(table[i].class_cp_index, CHECK_(objArrayHandle()));
-      assert(Klass::cast(k)->is_subclass_of(SystemDictionary::throwable_klass()), "invalid exception class");
+      assert(Klass::cast(k)->is_subclass_of(SystemDictionary::Throwable_klass()), "invalid exception class");
       mirrors->obj_at_put(i, Klass::cast(k)->java_mirror());
     }
     return mirrors;
@@ -1032,8 +1032,8 @@
       // We are loading classes eagerly. If a ClassNotFoundException or
       // a LinkageError was generated, be sure to ignore it.
       if (HAS_PENDING_EXCEPTION) {
-        if (PENDING_EXCEPTION->is_a(SystemDictionary::classNotFoundException_klass()) ||
-            PENDING_EXCEPTION->is_a(SystemDictionary::linkageError_klass())) {
+        if (PENDING_EXCEPTION->is_a(SystemDictionary::ClassNotFoundException_klass()) ||
+            PENDING_EXCEPTION->is_a(SystemDictionary::LinkageError_klass())) {
           CLEAR_PENDING_EXCEPTION;
         } else {
           return false;
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/oops/methodOop.hpp
--- a/src/share/vm/oops/methodOop.hpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/oops/methodOop.hpp	Wed Jan 06 22:21:39 2010 -0800
@@ -365,6 +365,7 @@
 #endif
 
   // byte codes
+  void    set_code(address code)      { return constMethod()->set_code(code); }
   address code_base() const           { return constMethod()->code_base(); }
   bool    contains(address bcp) const { return constMethod()->contains(bcp); }
 
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/oops/objArrayKlass.cpp
--- a/src/share/vm/oops/objArrayKlass.cpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/oops/objArrayKlass.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -246,8 +246,8 @@
   } else {
     objArrayOop sec_oop = oopFactory::new_system_objArray(num_secondaries, CHECK_NULL);
     objArrayHandle secondaries(THREAD, sec_oop);
-    secondaries->obj_at_put(num_extra_slots+0, SystemDictionary::cloneable_klass());
-    secondaries->obj_at_put(num_extra_slots+1, SystemDictionary::serializable_klass());
+    secondaries->obj_at_put(num_extra_slots+0, SystemDictionary::Cloneable_klass());
+    secondaries->obj_at_put(num_extra_slots+1, SystemDictionary::Serializable_klass());
     for (int i = 0; i < num_elem_supers; i++) {
       klassOop elem_super = (klassOop) elem_supers->obj_at(i);
       klassOop array_super = elem_super->klass_part()->array_klass_or_null();
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/oops/objArrayKlassKlass.cpp
--- a/src/share/vm/oops/objArrayKlassKlass.cpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/oops/objArrayKlassKlass.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -99,7 +99,7 @@
       }
     } else {
       // The element type is already Object.  Object[] has direct super of Object.
-      super_klass = KlassHandle(THREAD, SystemDictionary::object_klass());
+      super_klass = KlassHandle(THREAD, SystemDictionary::Object_klass());
     }
   }
 
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/oops/symbolOop.cpp
--- a/src/share/vm/oops/symbolOop.cpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/oops/symbolOop.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright 1997-2005 Sun Microsystems, Inc.  All Rights Reserved.
+ * Copyright 1997-2009 Sun Microsystems, Inc.  All Rights Reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -25,6 +25,11 @@
 # include "incls/_precompiled.incl"
 # include "incls/_symbolOop.cpp.incl"
 
+
+// ------------------------------------------------------------------
+// symbolOopDesc::equals
+//
+// Compares the symbol with a string of the given length.
 bool symbolOopDesc::equals(const char* str, int len) const {
   int l = utf8_length();
   if (l != len) return false;
@@ -36,6 +41,48 @@
   return true;
 }
 
+
+// ------------------------------------------------------------------
+// symbolOopDesc::starts_with
+//
+// Tests if the symbol starts with the specified prefix of the given
+// length.
+bool symbolOopDesc::starts_with(const char* prefix, int len) const {
+  if (len > utf8_length()) return false;
+  while (len-- > 0) {
+    if (prefix[len] != (char) byte_at(len))
+      return false;
+  }
+  assert(len == -1, "we should be at the beginning");
+  return true;
+}
+
+
+// ------------------------------------------------------------------
+// symbolOopDesc::index_of
+//
+// Finds if the given string is a substring of this symbol's utf8 bytes.
+// Return -1 on failure.  Otherwise return the first index where str occurs.
+int symbolOopDesc::index_of_at(int i, const char* str, int len) const {
+  assert(i >= 0 && i <= utf8_length(), "oob");
+  if (len <= 0)  return 0;
+  char first_char = str[0];
+  address bytes = (address) ((symbolOopDesc*)this)->base();
+  address limit = bytes + utf8_length() - len;  // inclusive limit
+  address scan = bytes + i;
+  if (scan > limit)
+    return -1;
+  for (;;) {
+    scan = (address) memchr(scan, first_char, (limit + 1 - scan));
+    if (scan == NULL)
+      return -1;  // not found
+    assert(scan >= bytes+i && scan <= limit, "scan oob");
+    if (memcmp(scan, str, len) == 0)
+      return (int)(scan - bytes);
+  }
+}
+
+
 char* symbolOopDesc::as_C_string(char* buf, int size) const {
   if (size > 0) {
     int len = MIN2(size - 1, utf8_length());
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/oops/symbolOop.hpp
--- a/src/share/vm/oops/symbolOop.hpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/oops/symbolOop.hpp	Wed Jan 06 22:21:39 2010 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright 1997-2005 Sun Microsystems, Inc.  All Rights Reserved.
+ * Copyright 1997-2009 Sun Microsystems, Inc.  All Rights Reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -70,8 +70,21 @@
 
   void set_utf8_length(int len) { _length = len; }
 
-  // Compares the symbol with a string
+  // Compares the symbol with a string.
   bool equals(const char* str, int len) const;
+  bool equals(const char* str) const { return equals(str, (int) strlen(str)); }
+
+  // Tests if the symbol starts with the given prefix.
+  bool starts_with(const char* prefix, int len) const;
+  bool starts_with(const char* prefix) const {
+    return starts_with(prefix, (int) strlen(prefix));
+  }
+
+  // Tests if the symbol starts with the given prefix.
+  int index_of_at(int i, const char* str, int len) const;
+  int index_of_at(int i, const char* str) const {
+    return index_of_at(i, str, (int) strlen(str));
+  }
 
   // Three-way compare for sorting; returns -1/0/1 if receiver is </==/> than arg
   // note that the ordering is not alfabetical
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/opto/bytecodeInfo.cpp
--- a/src/share/vm/opto/bytecodeInfo.cpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/opto/bytecodeInfo.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -180,6 +180,10 @@
     return NULL;
   }
 
+  // Always inline MethodHandle methods.
+  if (callee_method->is_method_handle_invoke())
+    return NULL;
+
   // First check all inlining restrictions which are required for correctness
   if (callee_method->is_abstract())               return "abstract method";
   // note: we allow ik->is_abstract()
@@ -322,14 +326,17 @@
     // stricter than callee_holder->is_initialized()
     ciBytecodeStream iter(caller_method);
     iter.force_bci(caller_bci);
-    int index = iter.get_index_int();
-    if( !caller_method->is_klass_loaded(index, true) ) {
-      return false;
-    }
-    // Try to do constant pool resolution if running Xcomp
     Bytecodes::Code call_bc = iter.cur_bc();
-    if( !caller_method->check_call(index, call_bc == Bytecodes::_invokestatic) ) {
-      return false;
+    // An invokedynamic instruction does not have a klass.
+    if (call_bc != Bytecodes::_invokedynamic) {
+      int index = iter.get_index_int();
+      if (!caller_method->is_klass_loaded(index, true)) {
+        return false;
+      }
+      // Try to do constant pool resolution if running Xcomp
+      if( !caller_method->check_call(index, call_bc == Bytecodes::_invokestatic) ) {
+        return false;
+      }
     }
   }
   // We will attempt to see if a class/field/etc got properly loaded.  If it
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/opto/callGenerator.cpp
--- a/src/share/vm/opto/callGenerator.cpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/opto/callGenerator.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright 2000-2008 Sun Microsystems, Inc.  All Rights Reserved.
+ * Copyright 2000-2009 Sun Microsystems, Inc.  All Rights Reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -136,6 +136,8 @@
     }
     // Mark the call node as virtual, sort of:
     call->set_optimized_virtual(true);
+    if (method()->is_method_handle_invoke())
+      call->set_method_handle_invoke(true);
   }
   kit.set_arguments_for_java_call(call);
   kit.set_edges_for_java_call(call, false, _separate_io_proj);
@@ -145,6 +147,71 @@
   return kit.transfer_exceptions_into_jvms();
 }
 
+//---------------------------DynamicCallGenerator-----------------------------
+// Internal class which handles all out-of-line invokedynamic calls.
+class DynamicCallGenerator : public CallGenerator {
+public:
+  DynamicCallGenerator(ciMethod* method)
+    : CallGenerator(method)
+  {
+  }
+  virtual JVMState* generate(JVMState* jvms);
+};
+
+JVMState* DynamicCallGenerator::generate(JVMState* jvms) {
+  GraphKit kit(jvms);
+
+  if (kit.C->log() != NULL) {
+    kit.C->log()->elem("dynamic_call bci='%d'", jvms->bci());
+  }
+
+  // Get the constant pool cache from the caller class.
+  ciMethod* caller_method = jvms->method();
+  ciBytecodeStream str(caller_method);
+  str.force_bci(jvms->bci());  // Set the stream to the invokedynamic bci.
+  assert(str.cur_bc() == Bytecodes::_invokedynamic, "wrong place to issue a dynamic call!");
+  ciCPCache* cpcache = str.get_cpcache();
+
+  // Get the offset of the CallSite from the constant pool cache
+  // pointer.
+  int index = str.get_method_index();
+  size_t call_site_offset = cpcache->get_f1_offset(index);
+
+  // Load the CallSite object from the constant pool cache.
+  const TypeOopPtr* cpcache_ptr = TypeOopPtr::make_from_constant(cpcache);
+  Node* cpcache_adr = kit.makecon(cpcache_ptr);
+  Node* call_site_adr = kit.basic_plus_adr(cpcache_adr, cpcache_adr, call_site_offset);
+  Node* call_site = kit.make_load(kit.control(), call_site_adr, TypeInstPtr::BOTTOM, T_OBJECT, Compile::AliasIdxRaw);
+
+  // Load the target MethodHandle from the CallSite object.
+  Node* target_mh_adr = kit.basic_plus_adr(call_site, call_site, java_dyn_CallSite::target_offset_in_bytes());
+  Node* target_mh = kit.make_load(kit.control(), target_mh_adr, TypeInstPtr::BOTTOM, T_OBJECT);
+
+  address resolve_stub = SharedRuntime::get_resolve_opt_virtual_call_stub();
+
+  CallStaticJavaNode *call = new (kit.C, tf()->domain()->cnt()) CallStaticJavaNode(tf(), resolve_stub, method(), kit.bci());
+  // invokedynamic is treated as an optimized invokevirtual.
+  call->set_optimized_virtual(true);
+  // Take extra care (in the presence of argument motion) not to trash the SP:
+  call->set_method_handle_invoke(true);
+
+  // Pass the target MethodHandle as first argument and shift the
+  // other arguments.
+  call->init_req(0 + TypeFunc::Parms, target_mh);
+  uint nargs = call->method()->arg_size();
+  for (uint i = 1; i < nargs; i++) {
+    Node* arg = kit.argument(i - 1);
+    call->init_req(i + TypeFunc::Parms, arg);
+  }
+
+  kit.set_edges_for_java_call(call);
+  Node* ret = kit.set_results_for_java_call(call);
+  kit.push_node(method()->return_type()->basic_type(), ret);
+  return kit.transfer_exceptions_into_jvms();
+}
+
+//--------------------------VirtualCallGenerator------------------------------
+// Internal class which handles all out-of-line calls checking receiver type.
 class VirtualCallGenerator : public CallGenerator {
 private:
   int _vtable_index;
@@ -159,8 +226,6 @@
   virtual JVMState* generate(JVMState* jvms);
 };
 
-//--------------------------VirtualCallGenerator------------------------------
-// Internal class which handles all out-of-line calls checking receiver type.
 JVMState* VirtualCallGenerator::generate(JVMState* jvms) {
   GraphKit kit(jvms);
   Node* receiver = kit.argument(0);
@@ -253,8 +318,14 @@
   return new DirectCallGenerator(m, separate_io_proj);
 }
 
+CallGenerator* CallGenerator::for_dynamic_call(ciMethod* m) {
+  assert(m->is_method_handle_invoke(), "for_dynamic_call mismatch");
+  return new DynamicCallGenerator(m);
+}
+
 CallGenerator* CallGenerator::for_virtual_call(ciMethod* m, int vtable_index) {
   assert(!m->is_static(), "for_virtual_call mismatch");
+  assert(!m->is_method_handle_invoke(), "should be a direct call");
   return new VirtualCallGenerator(m, vtable_index);
 }
 
@@ -576,6 +647,155 @@
 }
 
 
+//------------------------PredictedDynamicCallGenerator-----------------------
+// Internal class which handles all out-of-line calls checking receiver type.
+class PredictedDynamicCallGenerator : public CallGenerator {
+  ciMethodHandle* _predicted_method_handle;
+  CallGenerator*  _if_missed;
+  CallGenerator*  _if_hit;
+  float           _hit_prob;
+
+public:
+  PredictedDynamicCallGenerator(ciMethodHandle* predicted_method_handle,
+                                CallGenerator* if_missed,
+                                CallGenerator* if_hit,
+                                float hit_prob)
+    : CallGenerator(if_missed->method()),
+      _predicted_method_handle(predicted_method_handle),
+      _if_missed(if_missed),
+      _if_hit(if_hit),
+      _hit_prob(hit_prob)
+  {}
+
+  virtual bool is_inline()   const { return _if_hit->is_inline(); }
+  virtual bool is_deferred() const { return _if_hit->is_deferred(); }
+
+  virtual JVMState* generate(JVMState* jvms);
+};
+
+
+CallGenerator* CallGenerator::for_predicted_dynamic_call(ciMethodHandle* predicted_method_handle,
+                                                         CallGenerator* if_missed,
+                                                         CallGenerator* if_hit,
+                                                         float hit_prob) {
+  return new PredictedDynamicCallGenerator(predicted_method_handle, if_missed, if_hit, hit_prob);
+}
+
+
+JVMState* PredictedDynamicCallGenerator::generate(JVMState* jvms) {
+  GraphKit kit(jvms);
+  PhaseGVN& gvn = kit.gvn();
+
+  CompileLog* log = kit.C->log();
+  if (log != NULL) {
+    log->elem("predicted_dynamic_call bci='%d'", jvms->bci());
+  }
+
+  // Get the constant pool cache from the caller class.
+  ciMethod* caller_method = jvms->method();
+  ciBytecodeStream str(caller_method);
+  str.force_bci(jvms->bci());  // Set the stream to the invokedynamic bci.
+  ciCPCache* cpcache = str.get_cpcache();
+
+  // Get the offset of the CallSite from the constant pool cache
+  // pointer.
+  int index = str.get_method_index();
+  size_t call_site_offset = cpcache->get_f1_offset(index);
+
+  // Load the CallSite object from the constant pool cache.
+  const TypeOopPtr* cpcache_ptr = TypeOopPtr::make_from_constant(cpcache);
+  Node* cpcache_adr   = kit.makecon(cpcache_ptr);
+  Node* call_site_adr = kit.basic_plus_adr(cpcache_adr, cpcache_adr, call_site_offset);
+  Node* call_site     = kit.make_load(kit.control(), call_site_adr, TypeInstPtr::BOTTOM, T_OBJECT, Compile::AliasIdxRaw);
+
+  // Load the target MethodHandle from the CallSite object.
+  Node* target_adr = kit.basic_plus_adr(call_site, call_site, java_dyn_CallSite::target_offset_in_bytes());
+  Node* target_mh  = kit.make_load(kit.control(), target_adr, TypeInstPtr::BOTTOM, T_OBJECT);
+
+  // Check if the MethodHandle is still the same.
+  const TypeOopPtr* predicted_mh_ptr = TypeOopPtr::make_from_constant(_predicted_method_handle, true);
+  Node* predicted_mh = kit.makecon(predicted_mh_ptr);
+
+  Node* cmp = gvn.transform(new(kit.C, 3) CmpPNode(target_mh, predicted_mh));
+  Node* bol = gvn.transform(new(kit.C, 2) BoolNode(cmp, BoolTest::eq) );
+  IfNode* iff = kit.create_and_xform_if(kit.control(), bol, _hit_prob, COUNT_UNKNOWN);
+  kit.set_control( gvn.transform(new(kit.C, 1) IfTrueNode (iff)));
+  Node* slow_ctl = gvn.transform(new(kit.C, 1) IfFalseNode(iff));
+
+  SafePointNode* slow_map = NULL;
+  JVMState* slow_jvms;
+  { PreserveJVMState pjvms(&kit);
+    kit.set_control(slow_ctl);
+    if (!kit.stopped()) {
+      slow_jvms = _if_missed->generate(kit.sync_jvms());
+      assert(slow_jvms != NULL, "miss path must not fail to generate");
+      kit.add_exception_states_from(slow_jvms);
+      kit.set_map(slow_jvms->map());
+      if (!kit.stopped())
+        slow_map = kit.stop();
+    }
+  }
+
+  if (kit.stopped()) {
+    // Instance exactly does not matches the desired type.
+    kit.set_jvms(slow_jvms);
+    return kit.transfer_exceptions_into_jvms();
+  }
+
+  // Make the hot call:
+  JVMState* new_jvms = _if_hit->generate(kit.sync_jvms());
+  if (new_jvms == NULL) {
+    // Inline failed, so make a direct call.
+    assert(_if_hit->is_inline(), "must have been a failed inline");
+    CallGenerator* cg = CallGenerator::for_direct_call(_if_hit->method());
+    new_jvms = cg->generate(kit.sync_jvms());
+  }
+  kit.add_exception_states_from(new_jvms);
+  kit.set_jvms(new_jvms);
+
+  // Need to merge slow and fast?
+  if (slow_map == NULL) {
+    // The fast path is the only path remaining.
+    return kit.transfer_exceptions_into_jvms();
+  }
+
+  if (kit.stopped()) {
+    // Inlined method threw an exception, so it's just the slow path after all.
+    kit.set_jvms(slow_jvms);
+    return kit.transfer_exceptions_into_jvms();
+  }
+
+  // Finish the diamond.
+  kit.C->set_has_split_ifs(true); // Has chance for split-if optimization
+  RegionNode* region = new (kit.C, 3) RegionNode(3);
+  region->init_req(1, kit.control());
+  region->init_req(2, slow_map->control());
+  kit.set_control(gvn.transform(region));
+  Node* iophi = PhiNode::make(region, kit.i_o(), Type::ABIO);
+  iophi->set_req(2, slow_map->i_o());
+  kit.set_i_o(gvn.transform(iophi));
+  kit.merge_memory(slow_map->merged_memory(), region, 2);
+  uint tos = kit.jvms()->stkoff() + kit.sp();
+  uint limit = slow_map->req();
+  for (uint i = TypeFunc::Parms; i < limit; i++) {
+    // Skip unused stack slots; fast forward to monoff();
+    if (i == tos) {
+      i = kit.jvms()->monoff();
+      if( i >= limit ) break;
+    }
+    Node* m = kit.map()->in(i);
+    Node* n = slow_map->in(i);
+    if (m != n) {
+      const Type* t = gvn.type(m)->meet(gvn.type(n));
+      Node* phi = PhiNode::make(region, m, t);
+      phi->set_req(2, n);
+      kit.map()->set_req(i, gvn.transform(phi));
+    }
+  }
+  return kit.transfer_exceptions_into_jvms();
+}
+
+
 //-------------------------UncommonTrapCallGenerator-----------------------------
 // Internal class which handles all out-of-line calls checking receiver type.
 class UncommonTrapCallGenerator : public CallGenerator {
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/opto/callGenerator.hpp
--- a/src/share/vm/opto/callGenerator.hpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/opto/callGenerator.hpp	Wed Jan 06 22:21:39 2010 -0800
@@ -100,6 +100,7 @@
 
   // How to generate vanilla out-of-line call sites:
   static CallGenerator* for_direct_call(ciMethod* m, bool separate_io_projs = false);   // static, special
+  static CallGenerator* for_dynamic_call(ciMethod* m);   // invokedynamic
   static CallGenerator* for_virtual_call(ciMethod* m, int vtable_index);  // virtual, interface
 
   // How to generate a replace a direct call with an inline version
@@ -116,6 +117,12 @@
                                            CallGenerator* if_hit,
                                            float hit_prob);
 
+  // How to make a call that optimistically assumes a MethodHandle target:
+  static CallGenerator* for_predicted_dynamic_call(ciMethodHandle* predicted_method_handle,
+                                                   CallGenerator* if_missed,
+                                                   CallGenerator* if_hit,
+                                                   float hit_prob);
+
   // How to make a call that gives up and goes back to the interpreter:
   static CallGenerator* for_uncommon_trap(ciMethod* m,
                                           Deoptimization::DeoptReason reason,
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/opto/callnode.hpp
--- a/src/share/vm/opto/callnode.hpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/opto/callnode.hpp	Wed Jan 06 22:21:39 2010 -0800
@@ -562,12 +562,15 @@
   virtual uint size_of() const; // Size is bigger
 
   bool    _optimized_virtual;
+  bool    _method_handle_invoke;
   ciMethod* _method;            // Method being direct called
 public:
   const int       _bci;         // Byte Code Index of call byte code
   CallJavaNode(const TypeFunc* tf , address addr, ciMethod* method, int bci)
     : CallNode(tf, addr, TypePtr::BOTTOM),
-      _method(method), _bci(bci), _optimized_virtual(false)
+      _method(method), _bci(bci),
+      _optimized_virtual(false),
+      _method_handle_invoke(false)
   {
     init_class_id(Class_CallJava);
   }
@@ -577,6 +580,8 @@
   void  set_method(ciMethod *m)           { _method = m; }
   void  set_optimized_virtual(bool f)     { _optimized_virtual = f; }
   bool  is_optimized_virtual() const      { return _optimized_virtual; }
+  void  set_method_handle_invoke(bool f)  { _method_handle_invoke = f; }
+  bool  is_method_handle_invoke() const   { return _method_handle_invoke; }
 
 #ifndef PRODUCT
   virtual void  dump_spec(outputStream *st) const;
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/opto/doCall.cpp
--- a/src/share/vm/opto/doCall.cpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/opto/doCall.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -224,6 +224,57 @@
     }
   }
 
+  // Do MethodHandle calls.
+  if (call_method->is_method_handle_invoke()) {
+    if (jvms->method()->java_code_at_bci(jvms->bci()) != Bytecodes::_invokedynamic) {
+      GraphKit kit(jvms);
+      Node* n = kit.argument(0);
+
+      if (n->Opcode() == Op_ConP) {
+        const TypeOopPtr* oop_ptr = n->bottom_type()->is_oopptr();
+        ciObject* const_oop = oop_ptr->const_oop();
+        ciMethodHandle* method_handle = const_oop->as_method_handle();
+
+        // Set the actually called method to have access to the class
+        // and signature in the MethodHandleCompiler.
+        method_handle->set_callee(call_method);
+
+        // Get an adapter for the MethodHandle.
+        ciMethod* target_method = method_handle->get_method_handle_adapter();
+
+        CallGenerator* hit_cg = this->call_generator(target_method, vtable_index, false, jvms, true, prof_factor);
+        if (hit_cg != NULL && hit_cg->is_inline())
+          return hit_cg;
+      }
+
+      return CallGenerator::for_direct_call(call_method);
+    }
+    else {
+      // Get the MethodHandle from the CallSite.
+      ciMethod* caller_method = jvms->method();
+      ciBytecodeStream str(caller_method);
+      str.force_bci(jvms->bci());  // Set the stream to the invokedynamic bci.
+      ciCallSite*     call_site     = str.get_call_site();
+      ciMethodHandle* method_handle = call_site->get_target();
+
+      // Set the actually called method to have access to the class
+      // and signature in the MethodHandleCompiler.
+      method_handle->set_callee(call_method);
+
+      // Get an adapter for the MethodHandle.
+      ciMethod* target_method = method_handle->get_invokedynamic_adapter();
+
+      CallGenerator* hit_cg = this->call_generator(target_method, vtable_index, false, jvms, true, prof_factor);
+      if (hit_cg != NULL && hit_cg->is_inline()) {
+        CallGenerator* miss_cg = CallGenerator::for_dynamic_call(call_method);
+        return CallGenerator::for_predicted_dynamic_call(method_handle, miss_cg, hit_cg, prof_factor);
+      }
+
+      // If something failed, generate a normal dynamic call.
+      return CallGenerator::for_dynamic_call(call_method);
+    }
+  }
+
   // There was no special inlining tactic, or it bailed out.
   // Use a more generic tactic, like a simple call.
   if (call_is_virtual) {
@@ -299,7 +350,7 @@
   // Interface classes can be loaded & linked and never get around to
   // being initialized.  Uncommon-trap for not-initialized static or
   // v-calls.  Let interface calls happen.
-  ciInstanceKlass* holder_klass  = dest_method->holder();
+  ciInstanceKlass* holder_klass = dest_method->holder();
   if (!holder_klass->is_initialized() &&
       !holder_klass->is_interface()) {
     uncommon_trap(Deoptimization::Reason_uninitialized,
@@ -307,14 +358,6 @@
                   holder_klass);
     return true;
   }
-  if (dest_method->is_method_handle_invoke()
-      && holder_klass->name() == ciSymbol::java_dyn_Dynamic()) {
-    // FIXME: NYI
-    uncommon_trap(Deoptimization::Reason_unhandled,
-                  Deoptimization::Action_none,
-                  holder_klass);
-    return true;
-  }
 
   assert(dest_method->will_link(method()->holder(), klass, bc()), "dest_method: typeflow responsibility");
   return false;
@@ -333,6 +376,7 @@
   bool is_virtual = bc() == Bytecodes::_invokevirtual;
   bool is_virtual_or_interface = is_virtual || bc() == Bytecodes::_invokeinterface;
   bool has_receiver = is_virtual_or_interface || bc() == Bytecodes::_invokespecial;
+  bool is_invokedynamic = bc() == Bytecodes::_invokedynamic;
 
   // Find target being called
   bool             will_link;
@@ -341,7 +385,8 @@
   ciKlass* holder = iter().get_declared_method_holder();
   ciInstanceKlass* klass = ciEnv::get_instance_klass_for_declared_method_holder(holder);
 
-  int   nargs    = dest_method->arg_size();
+  int nargs = dest_method->arg_size();
+  if (is_invokedynamic)  nargs -= 1;
 
   // uncommon-trap when callee is unloaded, uninitialized or will not link
   // bailout when too many arguments for register representation
@@ -355,7 +400,7 @@
     return;
   }
   assert(holder_klass->is_loaded(), "");
-  assert(dest_method->is_static() == !has_receiver, "must match bc");
+  assert((dest_method->is_static() || is_invokedynamic) == !has_receiver , "must match bc");
   // Note: this takes into account invokeinterface of methods declared in java/lang/Object,
   // which should be invokevirtuals but according to the VM spec may be invokeinterfaces
   assert(holder_klass->is_interface() || holder_klass->super() == NULL || (bc() != Bytecodes::_invokeinterface), "must match bc");
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/opto/escape.cpp
--- a/src/share/vm/opto/escape.cpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/opto/escape.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -1916,7 +1916,7 @@
           Node *arg = call->in(i)->uncast();
 
           if (at->isa_oopptr() != NULL &&
-              ptnode_adr(arg->_idx)->escape_state() < PointsToNode::ArgEscape) {
+              ptnode_adr(arg->_idx)->escape_state() < PointsToNode::GlobalEscape) {
 
             bool global_escapes = false;
             bool fields_escapes = false;
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/opto/graphKit.cpp
--- a/src/share/vm/opto/graphKit.cpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/opto/graphKit.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -981,14 +981,19 @@
   case Bytecodes::_invokedynamic:
   case Bytecodes::_invokeinterface:
     {
-      bool is_static = (depth == 0);
       bool ignore;
       ciBytecodeStream iter(method());
       iter.reset_to_bci(bci());
       iter.next();
       ciMethod* method = iter.get_method(ignore);
       inputs = method->arg_size_no_receiver();
-      if (!is_static)  inputs += 1;
+      // Add a receiver argument, maybe:
+      if (code != Bytecodes::_invokestatic &&
+          code != Bytecodes::_invokedynamic)
+        inputs += 1;
+      // (Do not use ciMethod::arg_size(), because
+      // it might be an unloaded method, which doesn't
+      // know whether it is static or not.)
       int size = method->return_type()->size();
       depth = size - inputs;
     }
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/opto/lcm.cpp
--- a/src/share/vm/opto/lcm.cpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/opto/lcm.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -542,6 +542,16 @@
   // pointers as far as the kill mask goes.
   bool exclude_soe = op == Op_CallRuntime;
 
+  // If the call is a MethodHandle invoke, we need to exclude the
+  // register which is used to save the SP value over MH invokes from
+  // the mask.  Otherwise this register could be used for
+  // deoptimization information.
+  if (op == Op_CallStaticJava) {
+    MachCallStaticJavaNode* mcallstaticjava = (MachCallStaticJavaNode*) mcall;
+    if (mcallstaticjava->_method_handle_invoke)
+      proj->_rout.OR(Matcher::method_handle_invoke_SP_save_mask());
+  }
+
   // Fill in the kill mask for the call
   for( OptoReg::Name r = OptoReg::Name(0); r < _last_Mach_Reg; r=OptoReg::add(r,1) ) {
     if( !regs.Member(r) ) {     // Not already defined by the call
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/opto/machnode.cpp
--- a/src/share/vm/opto/machnode.cpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/opto/machnode.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -636,7 +636,9 @@
 }
 #ifndef PRODUCT
 void MachCallJavaNode::dump_spec(outputStream *st) const {
-  if( _method ) {
+  if (_method_handle_invoke)
+    st->print("MethodHandle ");
+  if (_method) {
     _method->print_short_name(st);
     st->print(" ");
   }
@@ -644,6 +646,20 @@
 }
 #endif
 
+//------------------------------Registers--------------------------------------
+const RegMask &MachCallJavaNode::in_RegMask(uint idx) const {
+  // Values in the domain use the users calling convention, embodied in the
+  // _in_rms array of RegMasks.
+  if (idx < tf()->domain()->cnt())  return _in_rms[idx];
+  // Values outside the domain represent debug info
+  Matcher* m = Compile::current()->matcher();
+  // If this call is a MethodHandle invoke we have to use a different
+  // debugmask which does not include the register we use to save the
+  // SP over MH invokes.
+  RegMask** debugmask = _method_handle_invoke ? m->idealreg2mhdebugmask : m->idealreg2debugmask;
+  return *debugmask[in(idx)->ideal_reg()];
+}
+
 //=============================================================================
 uint MachCallStaticJavaNode::size_of() const { return sizeof(*this); }
 uint MachCallStaticJavaNode::cmp( const Node &n ) const {
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/opto/machnode.hpp
--- a/src/share/vm/opto/machnode.hpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/opto/machnode.hpp	Wed Jan 06 22:21:39 2010 -0800
@@ -662,9 +662,13 @@
   ciMethod* _method;             // Method being direct called
   int        _bci;               // Byte Code index of call byte code
   bool       _optimized_virtual; // Tells if node is a static call or an optimized virtual
+  bool       _method_handle_invoke;   // Tells if the call has to preserve SP
   MachCallJavaNode() : MachCallNode() {
     init_class_id(Class_MachCallJava);
   }
+
+  virtual const RegMask &in_RegMask(uint) const;
+
 #ifndef PRODUCT
   virtual void dump_spec(outputStream *st) const;
 #endif
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/opto/matcher.cpp
--- a/src/share/vm/opto/matcher.cpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/opto/matcher.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -70,19 +70,27 @@
   _dontcare(&_states_arena) {
   C->set_matcher(this);
 
-  idealreg2spillmask[Op_RegI] = NULL;
-  idealreg2spillmask[Op_RegN] = NULL;
-  idealreg2spillmask[Op_RegL] = NULL;
-  idealreg2spillmask[Op_RegF] = NULL;
-  idealreg2spillmask[Op_RegD] = NULL;
-  idealreg2spillmask[Op_RegP] = NULL;
+  idealreg2spillmask  [Op_RegI] = NULL;
+  idealreg2spillmask  [Op_RegN] = NULL;
+  idealreg2spillmask  [Op_RegL] = NULL;
+  idealreg2spillmask  [Op_RegF] = NULL;
+  idealreg2spillmask  [Op_RegD] = NULL;
+  idealreg2spillmask  [Op_RegP] = NULL;
 
-  idealreg2debugmask[Op_RegI] = NULL;
-  idealreg2debugmask[Op_RegN] = NULL;
-  idealreg2debugmask[Op_RegL] = NULL;
-  idealreg2debugmask[Op_RegF] = NULL;
-  idealreg2debugmask[Op_RegD] = NULL;
-  idealreg2debugmask[Op_RegP] = NULL;
+  idealreg2debugmask  [Op_RegI] = NULL;
+  idealreg2debugmask  [Op_RegN] = NULL;
+  idealreg2debugmask  [Op_RegL] = NULL;
+  idealreg2debugmask  [Op_RegF] = NULL;
+  idealreg2debugmask  [Op_RegD] = NULL;
+  idealreg2debugmask  [Op_RegP] = NULL;
+
+  idealreg2mhdebugmask[Op_RegI] = NULL;
+  idealreg2mhdebugmask[Op_RegN] = NULL;
+  idealreg2mhdebugmask[Op_RegL] = NULL;
+  idealreg2mhdebugmask[Op_RegF] = NULL;
+  idealreg2mhdebugmask[Op_RegD] = NULL;
+  idealreg2mhdebugmask[Op_RegP] = NULL;
+
   debug_only(_mem_node = NULL;)   // Ideal memory node consumed by mach node
 }
 
@@ -389,19 +397,28 @@
 void Matcher::init_first_stack_mask() {
 
   // Allocate storage for spill masks as masks for the appropriate load type.
-  RegMask *rms = (RegMask*)C->comp_arena()->Amalloc_D(sizeof(RegMask)*12);
-  idealreg2spillmask[Op_RegN] = &rms[0];
-  idealreg2spillmask[Op_RegI] = &rms[1];
-  idealreg2spillmask[Op_RegL] = &rms[2];
-  idealreg2spillmask[Op_RegF] = &rms[3];
-  idealreg2spillmask[Op_RegD] = &rms[4];
-  idealreg2spillmask[Op_RegP] = &rms[5];
-  idealreg2debugmask[Op_RegN] = &rms[6];
-  idealreg2debugmask[Op_RegI] = &rms[7];
-  idealreg2debugmask[Op_RegL] = &rms[8];
-  idealreg2debugmask[Op_RegF] = &rms[9];
-  idealreg2debugmask[Op_RegD] = &rms[10];
-  idealreg2debugmask[Op_RegP] = &rms[11];
+  RegMask *rms = (RegMask*)C->comp_arena()->Amalloc_D(sizeof(RegMask) * 3*6);
+
+  idealreg2spillmask  [Op_RegN] = &rms[0];
+  idealreg2spillmask  [Op_RegI] = &rms[1];
+  idealreg2spillmask  [Op_RegL] = &rms[2];
+  idealreg2spillmask  [Op_RegF] = &rms[3];
+  idealreg2spillmask  [Op_RegD] = &rms[4];
+  idealreg2spillmask  [Op_RegP] = &rms[5];
+
+  idealreg2debugmask  [Op_RegN] = &rms[6];
+  idealreg2debugmask  [Op_RegI] = &rms[7];
+  idealreg2debugmask  [Op_RegL] = &rms[8];
+  idealreg2debugmask  [Op_RegF] = &rms[9];
+  idealreg2debugmask  [Op_RegD] = &rms[10];
+  idealreg2debugmask  [Op_RegP] = &rms[11];
+
+  idealreg2mhdebugmask[Op_RegN] = &rms[12];
+  idealreg2mhdebugmask[Op_RegI] = &rms[13];
+  idealreg2mhdebugmask[Op_RegL] = &rms[14];
+  idealreg2mhdebugmask[Op_RegF] = &rms[15];
+  idealreg2mhdebugmask[Op_RegD] = &rms[16];
+  idealreg2mhdebugmask[Op_RegP] = &rms[17];
 
   OptoReg::Name i;
 
@@ -442,12 +459,19 @@
   // Make up debug masks.  Any spill slot plus callee-save registers.
   // Caller-save registers are assumed to be trashable by the various
   // inline-cache fixup routines.
-  *idealreg2debugmask[Op_RegN]= *idealreg2spillmask[Op_RegN];
-  *idealreg2debugmask[Op_RegI]= *idealreg2spillmask[Op_RegI];
-  *idealreg2debugmask[Op_RegL]= *idealreg2spillmask[Op_RegL];
-  *idealreg2debugmask[Op_RegF]= *idealreg2spillmask[Op_RegF];
-  *idealreg2debugmask[Op_RegD]= *idealreg2spillmask[Op_RegD];
-  *idealreg2debugmask[Op_RegP]= *idealreg2spillmask[Op_RegP];
+  *idealreg2debugmask  [Op_RegN]= *idealreg2spillmask[Op_RegN];
+  *idealreg2debugmask  [Op_RegI]= *idealreg2spillmask[Op_RegI];
+  *idealreg2debugmask  [Op_RegL]= *idealreg2spillmask[Op_RegL];
+  *idealreg2debugmask  [Op_RegF]= *idealreg2spillmask[Op_RegF];
+  *idealreg2debugmask  [Op_RegD]= *idealreg2spillmask[Op_RegD];
+  *idealreg2debugmask  [Op_RegP]= *idealreg2spillmask[Op_RegP];
+
+  *idealreg2mhdebugmask[Op_RegN]= *idealreg2spillmask[Op_RegN];
+  *idealreg2mhdebugmask[Op_RegI]= *idealreg2spillmask[Op_RegI];
+  *idealreg2mhdebugmask[Op_RegL]= *idealreg2spillmask[Op_RegL];
+  *idealreg2mhdebugmask[Op_RegF]= *idealreg2spillmask[Op_RegF];
+  *idealreg2mhdebugmask[Op_RegD]= *idealreg2spillmask[Op_RegD];
+  *idealreg2mhdebugmask[Op_RegP]= *idealreg2spillmask[Op_RegP];
 
   // Prevent stub compilations from attempting to reference
   // callee-saved registers from debug info
@@ -458,14 +482,31 @@
     if( _register_save_policy[i] == 'C' ||
         _register_save_policy[i] == 'A' ||
         (_register_save_policy[i] == 'E' && exclude_soe) ) {
-      idealreg2debugmask[Op_RegN]->Remove(i);
-      idealreg2debugmask[Op_RegI]->Remove(i); // Exclude save-on-call
-      idealreg2debugmask[Op_RegL]->Remove(i); // registers from debug
-      idealreg2debugmask[Op_RegF]->Remove(i); // masks
-      idealreg2debugmask[Op_RegD]->Remove(i);
-      idealreg2debugmask[Op_RegP]->Remove(i);
+      idealreg2debugmask  [Op_RegN]->Remove(i);
+      idealreg2debugmask  [Op_RegI]->Remove(i); // Exclude save-on-call
+      idealreg2debugmask  [Op_RegL]->Remove(i); // registers from debug
+      idealreg2debugmask  [Op_RegF]->Remove(i); // masks
+      idealreg2debugmask  [Op_RegD]->Remove(i);
+      idealreg2debugmask  [Op_RegP]->Remove(i);
+
+      idealreg2mhdebugmask[Op_RegN]->Remove(i);
+      idealreg2mhdebugmask[Op_RegI]->Remove(i);
+      idealreg2mhdebugmask[Op_RegL]->Remove(i);
+      idealreg2mhdebugmask[Op_RegF]->Remove(i);
+      idealreg2mhdebugmask[Op_RegD]->Remove(i);
+      idealreg2mhdebugmask[Op_RegP]->Remove(i);
     }
   }
+
+  // Subtract the register we use to save the SP for MethodHandle
+  // invokes to from the debug mask.
+  const RegMask save_mask = method_handle_invoke_SP_save_mask();
+  idealreg2mhdebugmask[Op_RegN]->SUBTRACT(save_mask);
+  idealreg2mhdebugmask[Op_RegI]->SUBTRACT(save_mask);
+  idealreg2mhdebugmask[Op_RegL]->SUBTRACT(save_mask);
+  idealreg2mhdebugmask[Op_RegF]->SUBTRACT(save_mask);
+  idealreg2mhdebugmask[Op_RegD]->SUBTRACT(save_mask);
+  idealreg2mhdebugmask[Op_RegP]->SUBTRACT(save_mask);
 }
 
 //---------------------------is_save_on_entry----------------------------------
@@ -989,6 +1030,7 @@
   CallNode *call;
   const TypeTuple *domain;
   ciMethod*        method = NULL;
+  bool             is_method_handle_invoke = false;  // for special kill effects
   if( sfpt->is_Call() ) {
     call = sfpt->as_Call();
     domain = call->tf()->domain();
@@ -1013,6 +1055,8 @@
       mcall_java->_method = method;
       mcall_java->_bci = call_java->_bci;
       mcall_java->_optimized_virtual = call_java->is_optimized_virtual();
+      is_method_handle_invoke = call_java->is_method_handle_invoke();
+      mcall_java->_method_handle_invoke = is_method_handle_invoke;
       if( mcall_java->is_MachCallStaticJava() )
         mcall_java->as_MachCallStaticJava()->_name =
          call_java->as_CallStaticJava()->_name;
@@ -1126,6 +1170,15 @@
     mcall->_argsize = out_arg_limit_per_call - begin_out_arg_area;
   }
 
+  if (is_method_handle_invoke) {
+    // Kill some extra stack space in case method handles want to do
+    // a little in-place argument insertion.
+    int regs_per_word  = NOT_LP64(1) LP64_ONLY(2); // %%% make a global const!
+    out_arg_limit_per_call += MethodHandlePushLimit * regs_per_word;
+    // Do not update mcall->_argsize because (a) the extra space is not
+    // pushed as arguments and (b) _argsize is dead (not used anywhere).
+  }
+
   // Compute the max stack slot killed by any call.  These will not be
   // available for debug info, and will be used to adjust FIRST_STACK_mask
   // after all call sites have been visited.
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/opto/matcher.hpp
--- a/src/share/vm/opto/matcher.hpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/opto/matcher.hpp	Wed Jan 06 22:21:39 2010 -0800
@@ -117,8 +117,9 @@
   static const int base2reg[];        // Map Types to machine register types
   // Convert ideal machine register to a register mask for spill-loads
   static const RegMask *idealreg2regmask[];
-  RegMask *idealreg2spillmask[_last_machine_leaf];
-  RegMask *idealreg2debugmask[_last_machine_leaf];
+  RegMask *idealreg2spillmask  [_last_machine_leaf];
+  RegMask *idealreg2debugmask  [_last_machine_leaf];
+  RegMask *idealreg2mhdebugmask[_last_machine_leaf];
   void init_spill_mask( Node *ret );
   // Convert machine register number to register mask
   static uint mreg2regmask_max;
@@ -297,6 +298,8 @@
   // Register for MODL projection of divmodL
   static RegMask modL_proj_mask();
 
+  static const RegMask method_handle_invoke_SP_save_mask();
+
   // Java-Interpreter calling convention
   // (what you use when calling between compiled-Java and Interpreted-Java
 
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/opto/output.cpp
--- a/src/share/vm/opto/output.cpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/opto/output.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -794,6 +794,7 @@
 #endif
 
   int safepoint_pc_offset = current_offset;
+  bool is_method_handle_invoke = false;
 
   // Add the safepoint in the DebugInfoRecorder
   if( !mach->is_MachCall() ) {
@@ -801,6 +802,11 @@
     debug_info()->add_safepoint(safepoint_pc_offset, sfn->_oop_map);
   } else {
     mcall = mach->as_MachCall();
+
+    // Is the call a MethodHandle call?
+    if (mcall->is_MachCallJava())
+      is_method_handle_invoke = mcall->as_MachCallJava()->_method_handle_invoke;
+
     safepoint_pc_offset += mcall->ret_addr_offset();
     debug_info()->add_safepoint(safepoint_pc_offset, mcall->_oop_map);
   }
@@ -911,9 +917,9 @@
     ciMethod* scope_method = method ? method : _method;
     // Describe the scope here
     assert(jvms->bci() >= InvocationEntryBci && jvms->bci() <= 0x10000, "must be a valid or entry BCI");
-    assert(!jvms->should_reexecute() || depth==max_depth, "reexecute allowed only for the youngest");
+    assert(!jvms->should_reexecute() || depth == max_depth, "reexecute allowed only for the youngest");
     // Now we can describe the scope.
-    debug_info()->describe_scope(safepoint_pc_offset,scope_method,jvms->bci(),jvms->should_reexecute(),locvals,expvals,monvals);
+    debug_info()->describe_scope(safepoint_pc_offset, scope_method, jvms->bci(), jvms->should_reexecute(), is_method_handle_invoke, locvals, expvals, monvals);
   } // End jvms loop
 
   // Mark the end of the scope set.
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/opto/parse3.cpp
--- a/src/share/vm/opto/parse3.cpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/opto/parse3.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -125,7 +125,25 @@
 
 void Parse::do_get_xxx(const TypePtr* obj_type, Node* obj, ciField* field, bool is_field) {
   // Does this field have a constant value?  If so, just push the value.
-  if (field->is_constant() && push_constant(field->constant_value()))  return;
+  if (field->is_constant()) {
+    if (field->is_static()) {
+      // final static field
+      if (push_constant(field->constant_value()))
+        return;
+    }
+    else {
+      // final non-static field of a trusted class ({java,sun}.dyn
+      // classes).
+      if (obj->is_Con()) {
+        const TypeOopPtr* oop_ptr = obj->bottom_type()->isa_oopptr();
+        ciObject* constant_oop = oop_ptr->const_oop();
+        ciConstant constant = field->constant_value_of(constant_oop);
+
+        if (push_constant(constant, true))
+          return;
+      }
+    }
+  }
 
   ciType* field_klass = field->type();
   bool is_vol = field->is_volatile();
@@ -145,7 +163,7 @@
     if (!field->type()->is_loaded()) {
       type = TypeInstPtr::BOTTOM;
       must_assert_null = true;
-    } else if (field->is_constant()) {
+    } else if (field->is_constant() && field->is_static()) {
       // This can happen if the constant oop is non-perm.
       ciObject* con = field->constant_value().as_object();
       // Do not "join" in the previous type; it doesn't add value,
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/opto/runtime.cpp
--- a/src/share/vm/opto/runtime.cpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/opto/runtime.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright 1998-2007 Sun Microsystems, Inc.  All Rights Reserved.
+ * Copyright 1998-2009 Sun Microsystems, Inc.  All Rights Reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -790,7 +790,7 @@
   NOT_PRODUCT(Exceptions::debug_check_abort(exception));
 
   #ifdef ASSERT
-    if (!(exception->is_a(SystemDictionary::throwable_klass()))) {
+    if (!(exception->is_a(SystemDictionary::Throwable_klass()))) {
       // should throw an exception here
       ShouldNotReachHere();
     }
@@ -858,6 +858,9 @@
     thread->set_exception_pc(pc);
     thread->set_exception_handler_pc(handler_address);
     thread->set_exception_stack_size(0);
+
+    // Check if the exception PC is a MethodHandle call.
+    thread->set_is_method_handle_exception(nm->is_method_handle_return(pc));
   }
 
   // Restore correct return pc.  Was saved above.
@@ -936,7 +939,7 @@
 #endif
   assert (exception != NULL, "should have thrown a NULLPointerException");
 #ifdef ASSERT
-  if (!(exception->is_a(SystemDictionary::throwable_klass()))) {
+  if (!(exception->is_a(SystemDictionary::Throwable_klass()))) {
     // should throw an exception here
     ShouldNotReachHere();
   }
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/opto/type.cpp
--- a/src/share/vm/opto/type.cpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/opto/type.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -2431,7 +2431,7 @@
 //------------------------------make_from_constant-----------------------------
 // Make a java pointer from an oop constant
 const TypeOopPtr* TypeOopPtr::make_from_constant(ciObject* o, bool require_constant) {
-  if (o->is_method_data() || o->is_method()) {
+  if (o->is_method_data() || o->is_method() || o->is_cpcache()) {
     // Treat much like a typeArray of bytes, like below, but fake the type...
     const Type* etype = (Type*)get_const_basic_type(T_BYTE);
     const TypeAry* arr0 = TypeAry::make(etype, TypeInt::POS);
@@ -3966,7 +3966,7 @@
   const TypeFunc* tf = C->last_tf(method); // check cache
   if (tf != NULL)  return tf;  // The hit rate here is almost 50%.
   const TypeTuple *domain;
-  if (method->flags().is_static()) {
+  if (method->is_static()) {
     domain = TypeTuple::make_domain(NULL, method->signature());
   } else {
     domain = TypeTuple::make_domain(method->holder(), method->signature());
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/prims/jni.cpp
--- a/src/share/vm/prims/jni.cpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/prims/jni.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -396,11 +396,11 @@
   oop mirror     = NULL;
   int slot       = 0;
 
-  if (reflected->klass() == SystemDictionary::reflect_constructor_klass()) {
+  if (reflected->klass() == SystemDictionary::reflect_Constructor_klass()) {
     mirror = java_lang_reflect_Constructor::clazz(reflected);
     slot   = java_lang_reflect_Constructor::slot(reflected);
   } else {
-    assert(reflected->klass() == SystemDictionary::reflect_method_klass(), "wrong type");
+    assert(reflected->klass() == SystemDictionary::reflect_Method_klass(), "wrong type");
     mirror = java_lang_reflect_Method::clazz(reflected);
     slot   = java_lang_reflect_Method::slot(reflected);
   }
@@ -496,7 +496,7 @@
   klassOop super = Klass::cast(k)->java_super();
   // super2 is the value computed by the compiler's getSuperClass intrinsic:
   debug_only(klassOop super2 = ( Klass::cast(k)->oop_is_javaArray()
-                                 ? SystemDictionary::object_klass()
+                                 ? SystemDictionary::Object_klass()
                                  : Klass::cast(k)->super() ) );
   assert(super == super2,
          "java_super computation depends on interface, array, other super");
@@ -584,7 +584,7 @@
   if (thread->has_pending_exception()) {
     Handle ex(thread, thread->pending_exception());
     thread->clear_pending_exception();
-    if (ex->is_a(SystemDictionary::threaddeath_klass())) {
+    if (ex->is_a(SystemDictionary::ThreadDeath_klass())) {
       // Don't print anything if we are being killed.
     } else {
       jio_fprintf(defaultStream::error_stream(), "Exception ");
@@ -593,12 +593,12 @@
         jio_fprintf(defaultStream::error_stream(),
         "in thread \"%s\" ", thread->get_thread_name());
       }
-      if (ex->is_a(SystemDictionary::throwable_klass())) {
+      if (ex->is_a(SystemDictionary::Throwable_klass())) {
         JavaValue result(T_VOID);
         JavaCalls::call_virtual(&result,
                                 ex,
                                 KlassHandle(THREAD,
-                                  SystemDictionary::throwable_klass()),
+                                  SystemDictionary::Throwable_klass()),
                                 vmSymbolHandles::printStackTrace_name(),
                                 vmSymbolHandles::void_method_signature(),
                                 THREAD);
@@ -3241,7 +3241,7 @@
     jint b = Atomic::xchg(0xdeadbeef, &a);
     void *c = &a;
     void *d = Atomic::xchg_ptr(&b, &c);
-    assert(a == 0xdeadbeef && b == (jint) 0xcafebabe, "Atomic::xchg() works");
+    assert(a == (jint) 0xdeadbeef && b == (jint) 0xcafebabe, "Atomic::xchg() works");
     assert(c == &b && d == &a, "Atomic::xchg_ptr() works");
   }
 #endif // ZERO && ASSERT
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/prims/jniCheck.cpp
--- a/src/share/vm/prims/jniCheck.cpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/prims/jniCheck.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -341,7 +341,7 @@
     ReportJNIFatalError(thr, fatal_received_null_class);
   }
 
-  if (mirror->klass() != SystemDictionary::class_klass()) {
+  if (mirror->klass() != SystemDictionary::Class_klass()) {
     ReportJNIFatalError(thr, fatal_class_not_a_class);
   }
 
@@ -358,7 +358,7 @@
   assert(klass != NULL, "klass argument must have a value");
 
   if (!Klass::cast(klass)->oop_is_instance() ||
-      !instanceKlass::cast(klass)->is_subclass_of(SystemDictionary::throwable_klass())) {
+      !instanceKlass::cast(klass)->is_subclass_of(SystemDictionary::Throwable_klass())) {
     ReportJNIFatalError(thr, fatal_class_not_a_throwable_class);
   }
 }
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/prims/jvm.cpp
--- a/src/share/vm/prims/jvm.cpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/prims/jvm.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -80,7 +80,7 @@
 
     while (!vfst.at_end()) {
       methodOop m = vfst.method();
-      if (!vfst.method()->method_holder()->klass_part()->is_subclass_of(SystemDictionary::classloader_klass())&&
+      if (!vfst.method()->method_holder()->klass_part()->is_subclass_of(SystemDictionary::ClassLoader_klass())&&
           !vfst.method()->method_holder()->klass_part()->is_subclass_of(access_controller_klass) &&
           !vfst.method()->method_holder()->klass_part()->is_subclass_of(privileged_action_klass)) {
         break;
@@ -257,7 +257,7 @@
   Handle value_str  = java_lang_String::create_from_platform_dependent_str((value != NULL ? value : ""), CHECK);
   JavaCalls::call_virtual(&r,
                           props,
-                          KlassHandle(THREAD, SystemDictionary::properties_klass()),
+                          KlassHandle(THREAD, SystemDictionary::Properties_klass()),
                           vmSymbolHandles::put_name(),
                           vmSymbolHandles::object_object_object_signature(),
                           key_str,
@@ -495,7 +495,7 @@
     guarantee(klass->is_cloneable(), "all arrays are cloneable");
   } else {
     guarantee(obj->is_instance(), "should be instanceOop");
-    bool cloneable = klass->is_subtype_of(SystemDictionary::cloneable_klass());
+    bool cloneable = klass->is_subtype_of(SystemDictionary::Cloneable_klass());
     guarantee(cloneable == klass->is_cloneable(), "incorrect cloneable flag");
   }
 #endif
@@ -908,7 +908,7 @@
   // Special handling for primitive objects
   if (java_lang_Class::is_primitive(mirror)) {
     // Primitive objects does not have any interfaces
-    objArrayOop r = oopFactory::new_objArray(SystemDictionary::class_klass(), 0, CHECK_NULL);
+    objArrayOop r = oopFactory::new_objArray(SystemDictionary::Class_klass(), 0, CHECK_NULL);
     return (jobjectArray) JNIHandles::make_local(env, r);
   }
 
@@ -923,7 +923,7 @@
   }
 
   // Allocate result array
-  objArrayOop r = oopFactory::new_objArray(SystemDictionary::class_klass(), size, CHECK_NULL);
+  objArrayOop r = oopFactory::new_objArray(SystemDictionary::Class_klass(), size, CHECK_NULL);
   objArrayHandle result (THREAD, r);
   // Fill in result
   if (klass->oop_is_instance()) {
@@ -934,8 +934,8 @@
     }
   } else {
     // All arrays implement java.lang.Cloneable and java.io.Serializable
-    result->obj_at_put(0, Klass::cast(SystemDictionary::cloneable_klass())->java_mirror());
-    result->obj_at_put(1, Klass::cast(SystemDictionary::serializable_klass())->java_mirror());
+    result->obj_at_put(0, Klass::cast(SystemDictionary::Cloneable_klass())->java_mirror());
+    result->obj_at_put(1, Klass::cast(SystemDictionary::Serializable_klass())->java_mirror());
   }
   return (jobjectArray) JNIHandles::make_local(env, result());
 JVM_END
@@ -1098,8 +1098,8 @@
     pending_exception = Handle(THREAD, PENDING_EXCEPTION);
     CLEAR_PENDING_EXCEPTION;
 
-    if ( pending_exception->is_a(SystemDictionary::exception_klass()) &&
-        !pending_exception->is_a(SystemDictionary::runtime_exception_klass())) {
+    if ( pending_exception->is_a(SystemDictionary::Exception_klass()) &&
+        !pending_exception->is_a(SystemDictionary::RuntimeException_klass())) {
       // Throw a java.security.PrivilegedActionException(Exception e) exception
       JavaCallArguments args(pending_exception);
       THROW_ARG_0(vmSymbolHandles::java_security_PrivilegedActionException(),
@@ -1190,7 +1190,7 @@
 
   // the resource area must be registered in case of a gc
   RegisterArrayForGC ragc(thread, local_array);
-  objArrayOop context = oopFactory::new_objArray(SystemDictionary::protectionDomain_klass(),
+  objArrayOop context = oopFactory::new_objArray(SystemDictionary::ProtectionDomain_klass(),
                                                  local_array->length(), CHECK_NULL);
   objArrayHandle h_context(thread, context);
   for (int index = 0; index < local_array->length(); index++) {
@@ -1251,7 +1251,7 @@
 
   if (java_lang_Class::is_primitive(JNIHandles::resolve_non_null(ofClass)) ||
       ! Klass::cast(java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(ofClass)))->oop_is_instance()) {
-    oop result = oopFactory::new_objArray(SystemDictionary::class_klass(), 0, CHECK_NULL);
+    oop result = oopFactory::new_objArray(SystemDictionary::Class_klass(), 0, CHECK_NULL);
     return (jobjectArray)JNIHandles::make_local(env, result);
   }
 
@@ -1259,7 +1259,7 @@
 
   if (k->inner_classes()->length() == 0) {
     // Neither an inner nor outer class
-    oop result = oopFactory::new_objArray(SystemDictionary::class_klass(), 0, CHECK_NULL);
+    oop result = oopFactory::new_objArray(SystemDictionary::Class_klass(), 0, CHECK_NULL);
     return (jobjectArray)JNIHandles::make_local(env, result);
   }
 
@@ -1269,7 +1269,7 @@
   int length = icls->length();
 
   // Allocate temp. result array
-  objArrayOop r = oopFactory::new_objArray(SystemDictionary::class_klass(), length/4, CHECK_NULL);
+  objArrayOop r = oopFactory::new_objArray(SystemDictionary::Class_klass(), length/4, CHECK_NULL);
   objArrayHandle result (THREAD, r);
   int members = 0;
 
@@ -1299,7 +1299,7 @@
 
   if (members != length) {
     // Return array of right length
-    objArrayOop res = oopFactory::new_objArray(SystemDictionary::class_klass(), members, CHECK_NULL);
+    objArrayOop res = oopFactory::new_objArray(SystemDictionary::Class_klass(), members, CHECK_NULL);
     for(int i = 0; i < members; i++) {
       res->obj_at_put(i, result->obj_at(i));
     }
@@ -1470,11 +1470,11 @@
   oop mirror    = NULL;
   int slot      = 0;
 
-  if (reflected->klass() == SystemDictionary::reflect_constructor_klass()) {
+  if (reflected->klass() == SystemDictionary::reflect_Constructor_klass()) {
     mirror = java_lang_reflect_Constructor::clazz(reflected);
     slot   = java_lang_reflect_Constructor::slot(reflected);
   } else {
-    assert(reflected->klass() == SystemDictionary::reflect_method_klass(),
+    assert(reflected->klass() == SystemDictionary::reflect_Method_klass(),
            "wrong type");
     mirror = java_lang_reflect_Method::clazz(reflected);
     slot   = java_lang_reflect_Method::slot(reflected);
@@ -1530,7 +1530,7 @@
   if (java_lang_Class::is_primitive(JNIHandles::resolve_non_null(ofClass)) ||
       Klass::cast(java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(ofClass)))->oop_is_javaArray()) {
     // Return empty array
-    oop res = oopFactory::new_objArray(SystemDictionary::reflect_field_klass(), 0, CHECK_NULL);
+    oop res = oopFactory::new_objArray(SystemDictionary::reflect_Field_klass(), 0, CHECK_NULL);
     return (jobjectArray) JNIHandles::make_local(env, res);
   }
 
@@ -1558,13 +1558,13 @@
   } else {
     num_fields = fields_len / instanceKlass::next_offset;
 
-    if (k() == SystemDictionary::throwable_klass()) {
+    if (k() == SystemDictionary::Throwable_klass()) {
       num_fields--;
       skip_backtrace = true;
     }
   }
 
-  objArrayOop r = oopFactory::new_objArray(SystemDictionary::reflect_field_klass(), num_fields, CHECK_NULL);
+  objArrayOop r = oopFactory::new_objArray(SystemDictionary::reflect_Field_klass(), num_fields, CHECK_NULL);
   objArrayHandle result (THREAD, r);
 
   int out_idx = 0;
@@ -1598,7 +1598,7 @@
   if (java_lang_Class::is_primitive(JNIHandles::resolve_non_null(ofClass))
       || Klass::cast(java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(ofClass)))->oop_is_javaArray()) {
     // Return empty array
-    oop res = oopFactory::new_objArray(SystemDictionary::reflect_method_klass(), 0, CHECK_NULL);
+    oop res = oopFactory::new_objArray(SystemDictionary::reflect_Method_klass(), 0, CHECK_NULL);
     return (jobjectArray) JNIHandles::make_local(env, res);
   }
 
@@ -1622,7 +1622,7 @@
   }
 
   // Allocate result
-  objArrayOop r = oopFactory::new_objArray(SystemDictionary::reflect_method_klass(), num_methods, CHECK_NULL);
+  objArrayOop r = oopFactory::new_objArray(SystemDictionary::reflect_Method_klass(), num_methods, CHECK_NULL);
   objArrayHandle result (THREAD, r);
 
   int out_idx = 0;
@@ -1650,7 +1650,7 @@
   if (java_lang_Class::is_primitive(JNIHandles::resolve_non_null(ofClass))
       || Klass::cast(java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(ofClass)))->oop_is_javaArray()) {
     // Return empty array
-    oop res = oopFactory::new_objArray(SystemDictionary::reflect_constructor_klass(), 0 , CHECK_NULL);
+    oop res = oopFactory::new_objArray(SystemDictionary::reflect_Constructor_klass(), 0 , CHECK_NULL);
     return (jobjectArray) JNIHandles::make_local(env, res);
   }
 
@@ -1674,7 +1674,7 @@
   }
 
   // Allocate result
-  objArrayOop r = oopFactory::new_objArray(SystemDictionary::reflect_constructor_klass(), num_constructors, CHECK_NULL);
+  objArrayOop r = oopFactory::new_objArray(SystemDictionary::reflect_Constructor_klass(), num_constructors, CHECK_NULL);
   objArrayHandle result(THREAD, r);
 
   int out_idx = 0;
@@ -1887,7 +1887,7 @@
   symbolHandle klass_name (THREAD, cp->klass_name_at(klass_ref));
   symbolHandle member_name(THREAD, cp->uncached_name_ref_at(index));
   symbolHandle member_sig (THREAD, cp->uncached_signature_ref_at(index));
-  objArrayOop  dest_o = oopFactory::new_objArray(SystemDictionary::string_klass(), 3, CHECK_NULL);
+  objArrayOop  dest_o = oopFactory::new_objArray(SystemDictionary::String_klass(), 3, CHECK_NULL);
   objArrayHandle dest(THREAD, dest_o);
   Handle str = java_lang_String::create_from_symbol(klass_name, CHECK_NULL);
   dest->obj_at_put(0, str());
@@ -2575,7 +2575,7 @@
   JavaValue result(T_VOID);
   JavaCalls::call_virtual(&result,
                           obj,
-                          KlassHandle(THREAD, SystemDictionary::thread_klass()),
+                          KlassHandle(THREAD, SystemDictionary::Thread_klass()),
                           vmSymbolHandles::run_method_name(),
                           vmSymbolHandles::void_method_signature(),
                           THREAD);
@@ -2673,7 +2673,7 @@
       // Fix for 4314342, 4145910, perhaps others: it now doesn't have
       // any effect on the "liveness" of a thread; see
       // JVM_IsThreadAlive, below.
-      if (java_throwable->is_a(SystemDictionary::threaddeath_klass())) {
+      if (java_throwable->is_a(SystemDictionary::ThreadDeath_klass())) {
         java_lang_Thread::set_stillborn(java_thread);
       }
       THROW_OOP(java_throwable);
@@ -3028,7 +3028,7 @@
   }
 
   // Create result array of type [Ljava/lang/Class;
-  objArrayOop result = oopFactory::new_objArray(SystemDictionary::class_klass(), depth, CHECK_NULL);
+  objArrayOop result = oopFactory::new_objArray(SystemDictionary::Class_klass(), depth, CHECK_NULL);
   // Fill in mirrors corresponding to method holders
   int index = 0;
   while (first != NULL) {
@@ -4324,7 +4324,7 @@
   JvmtiVMObjectAllocEventCollector oam;
 
   int num_threads = tle.num_threads();
-  objArrayOop r = oopFactory::new_objArray(SystemDictionary::thread_klass(), num_threads, CHECK_NULL);
+  objArrayOop r = oopFactory::new_objArray(SystemDictionary::Thread_klass(), num_threads, CHECK_NULL);
   objArrayHandle threads_ah(THREAD, r);
 
   for (int i = 0; i < num_threads; i++) {
@@ -4358,7 +4358,7 @@
 
   // check if threads is not an array of objects of Thread class
   klassOop k = objArrayKlass::cast(ah->klass())->element_klass();
-  if (k != SystemDictionary::thread_klass()) {
+  if (k != SystemDictionary::Thread_klass()) {
     THROW_(vmSymbols::java_lang_IllegalArgumentException(), 0);
   }
 
@@ -4418,7 +4418,7 @@
   if (encl_method_class_idx == 0) {
     return NULL;
   }
-  objArrayOop dest_o = oopFactory::new_objArray(SystemDictionary::object_klass(), 3, CHECK_NULL);
+  objArrayOop dest_o = oopFactory::new_objArray(SystemDictionary::Object_klass(), 3, CHECK_NULL);
   objArrayHandle dest(THREAD, dest_o);
   klassOop enc_k = ik_h->constants()->klass_at(encl_method_class_idx, CHECK_NULL);
   dest->obj_at_put(0, Klass::cast(enc_k)->java_mirror());
@@ -4532,7 +4532,7 @@
                values_h->int_at(0) == java_lang_Thread::NEW,
              "Invalid threadStatus value");
 
-      objArrayOop r = oopFactory::new_objArray(SystemDictionary::string_klass(),
+      objArrayOop r = oopFactory::new_objArray(SystemDictionary::String_klass(),
                                                1, /* only 1 substate */
                                                CHECK_NULL);
       names_h = objArrayHandle(THREAD, r);
@@ -4545,7 +4545,7 @@
                values_h->int_at(0) == java_lang_Thread::RUNNABLE,
              "Invalid threadStatus value");
 
-      objArrayOop r = oopFactory::new_objArray(SystemDictionary::string_klass(),
+      objArrayOop r = oopFactory::new_objArray(SystemDictionary::String_klass(),
                                                1, /* only 1 substate */
                                                CHECK_NULL);
       names_h = objArrayHandle(THREAD, r);
@@ -4558,7 +4558,7 @@
                values_h->int_at(0) == java_lang_Thread::BLOCKED_ON_MONITOR_ENTER,
              "Invalid threadStatus value");
 
-      objArrayOop r = oopFactory::new_objArray(SystemDictionary::string_klass(),
+      objArrayOop r = oopFactory::new_objArray(SystemDictionary::String_klass(),
                                                1, /* only 1 substate */
                                                CHECK_NULL);
       names_h = objArrayHandle(THREAD, r);
@@ -4571,7 +4571,7 @@
                values_h->int_at(0) == java_lang_Thread::IN_OBJECT_WAIT &&
                values_h->int_at(1) == java_lang_Thread::PARKED,
              "Invalid threadStatus value");
-      objArrayOop r = oopFactory::new_objArray(SystemDictionary::string_klass(),
+      objArrayOop r = oopFactory::new_objArray(SystemDictionary::String_klass(),
                                                2, /* number of substates */
                                                CHECK_NULL);
       names_h = objArrayHandle(THREAD, r);
@@ -4589,7 +4589,7 @@
                values_h->int_at(1) == java_lang_Thread::IN_OBJECT_WAIT_TIMED &&
                values_h->int_at(2) == java_lang_Thread::PARKED_TIMED,
              "Invalid threadStatus value");
-      objArrayOop r = oopFactory::new_objArray(SystemDictionary::string_klass(),
+      objArrayOop r = oopFactory::new_objArray(SystemDictionary::String_klass(),
                                                3, /* number of substates */
                                                CHECK_NULL);
       names_h = objArrayHandle(THREAD, r);
@@ -4608,7 +4608,7 @@
       assert(values_h->length() == 1 &&
                values_h->int_at(0) == java_lang_Thread::TERMINATED,
              "Invalid threadStatus value");
-      objArrayOop r = oopFactory::new_objArray(SystemDictionary::string_klass(),
+      objArrayOop r = oopFactory::new_objArray(SystemDictionary::String_klass(),
                                                1, /* only 1 substate */
                                                CHECK_NULL);
       names_h = objArrayHandle(THREAD, r);
@@ -4643,4 +4643,3 @@
 #endif // KERNEL
 }
 JVM_END
-
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/prims/jvmtiEnter.xsl
--- a/src/share/vm/prims/jvmtiEnter.xsl	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/prims/jvmtiEnter.xsl	Wed Jan 06 22:21:39 2010 -0800
@@ -773,7 +773,7 @@
     </xsl:apply-templates>
     <xsl:text>
     }
-    if (!thread_oop-&gt;is_a(SystemDictionary::thread_klass())) {
+    if (!thread_oop-&gt;is_a(SystemDictionary::Thread_klass())) {
 </xsl:text>
     <xsl:apply-templates select=".." mode="traceError">     
       <xsl:with-param name="err">JVMTI_ERROR_INVALID_THREAD</xsl:with-param>
@@ -857,7 +857,7 @@
     </xsl:apply-templates>
     <xsl:text>
   }
-  if (!k_mirror->is_a(SystemDictionary::class_klass())) {
+  if (!k_mirror->is_a(SystemDictionary::Class_klass())) {
 </xsl:text>
     <xsl:apply-templates select=".." mode="traceError">     
       <xsl:with-param name="err">JVMTI_ERROR_INVALID_CLASS</xsl:with-param>
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/prims/jvmtiEnv.cpp
--- a/src/share/vm/prims/jvmtiEnv.cpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/prims/jvmtiEnv.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -133,7 +133,7 @@
     if (thread_oop == NULL) {
       return JVMTI_ERROR_INVALID_THREAD;
     }
-    if (!thread_oop->is_a(SystemDictionary::thread_klass())) {
+    if (!thread_oop->is_a(SystemDictionary::Thread_klass())) {
       return JVMTI_ERROR_INVALID_THREAD;
     }
     JavaThread* java_thread = java_lang_Thread::thread(thread_oop);
@@ -199,7 +199,7 @@
     if (k_mirror == NULL) {
       return JVMTI_ERROR_INVALID_CLASS;
     }
-    if (!k_mirror->is_a(SystemDictionary::class_klass())) {
+    if (!k_mirror->is_a(SystemDictionary::Class_klass())) {
       return JVMTI_ERROR_INVALID_CLASS;
     }
 
@@ -266,7 +266,7 @@
   oop mirror = JNIHandles::resolve_external_guard(object);
   NULL_CHECK(mirror, JVMTI_ERROR_INVALID_OBJECT);
 
-  if (mirror->klass() == SystemDictionary::class_klass()) {
+  if (mirror->klass() == SystemDictionary::Class_klass()) {
     if (!java_lang_Class::is_primitive(mirror)) {
         mirror = java_lang_Class::as_klassOop(mirror);
         assert(mirror != NULL, "class for non-primitive mirror must exist");
@@ -327,7 +327,7 @@
     if (thread_oop == NULL) {
       return JVMTI_ERROR_INVALID_THREAD;
     }
-    if (!thread_oop->is_a(SystemDictionary::thread_klass())) {
+    if (!thread_oop->is_a(SystemDictionary::Thread_klass())) {
       return JVMTI_ERROR_INVALID_THREAD;
     }
     java_thread = java_lang_Thread::thread(thread_oop);
@@ -632,7 +632,7 @@
     thread_oop = JNIHandles::resolve_external_guard(thread);
   }
 
-  if (thread_oop == NULL || !thread_oop->is_a(SystemDictionary::thread_klass())) {
+  if (thread_oop == NULL || !thread_oop->is_a(SystemDictionary::Thread_klass())) {
     return JVMTI_ERROR_INVALID_THREAD;
   }
 
@@ -870,7 +870,7 @@
 jvmtiError
 JvmtiEnv::InterruptThread(jthread thread) {
   oop thread_oop = JNIHandles::resolve_external_guard(thread);
-  if (thread_oop == NULL || !thread_oop->is_a(SystemDictionary::thread_klass()))
+  if (thread_oop == NULL || !thread_oop->is_a(SystemDictionary::Thread_klass()))
     return JVMTI_ERROR_INVALID_THREAD;
 
   JavaThread* current_thread  = JavaThread::current();
@@ -907,7 +907,7 @@
   } else {
     thread_oop = JNIHandles::resolve_external_guard(thread);
   }
-  if (thread_oop == NULL || !thread_oop->is_a(SystemDictionary::thread_klass()))
+  if (thread_oop == NULL || !thread_oop->is_a(SystemDictionary::Thread_klass()))
     return JVMTI_ERROR_INVALID_THREAD;
 
   Handle thread_obj(current_thread, thread_oop);
@@ -1073,7 +1073,7 @@
 jvmtiError
 JvmtiEnv::RunAgentThread(jthread thread, jvmtiStartFunction proc, const void* arg, jint priority) {
   oop thread_oop = JNIHandles::resolve_external_guard(thread);
-  if (thread_oop == NULL || !thread_oop->is_a(SystemDictionary::thread_klass())) {
+  if (thread_oop == NULL || !thread_oop->is_a(SystemDictionary::Thread_klass())) {
     return JVMTI_ERROR_INVALID_THREAD;
   }
   if (priority < JVMTI_THREAD_MIN_PRIORITY || priority > JVMTI_THREAD_MAX_PRIORITY) {
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/prims/jvmtiEnvBase.cpp
--- a/src/share/vm/prims/jvmtiEnvBase.cpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/prims/jvmtiEnvBase.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -527,7 +527,7 @@
 JavaThread *
 JvmtiEnvBase::get_JavaThread(jthread jni_thread) {
   oop t = JNIHandles::resolve_external_guard(jni_thread);
-  if (t == NULL || !t->is_a(SystemDictionary::thread_klass())) {
+  if (t == NULL || !t->is_a(SystemDictionary::Thread_klass())) {
     return NULL;
   }
   // The following returns NULL if the thread has not yet run or is in
@@ -1269,7 +1269,7 @@
   for (int i = 0; i < _thread_count; ++i) {
     jthread jt = _thread_list[i];
     oop thread_oop = JNIHandles::resolve_external_guard(jt);
-    if (thread_oop == NULL || !thread_oop->is_a(SystemDictionary::thread_klass())) {
+    if (thread_oop == NULL || !thread_oop->is_a(SystemDictionary::Thread_klass())) {
       set_result(JVMTI_ERROR_INVALID_THREAD);
       return;
     }
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/prims/jvmtiExport.cpp
--- a/src/share/vm/prims/jvmtiExport.cpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/prims/jvmtiExport.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -656,7 +656,7 @@
   klassOop k = obj->klass();
 
   // if the object is a java.lang.Class then return the java mirror
-  if (k == SystemDictionary::class_klass()) {
+  if (k == SystemDictionary::Class_klass()) {
     if (!java_lang_Class::is_primitive(obj)) {
       k = java_lang_Class::as_klassOop(obj);
       assert(k != NULL, "class for non-primitive mirror must exist");
@@ -1925,7 +1925,7 @@
       if (collector != NULL && collector->is_enabled()) {
         // Don't record classes as these will be notified via the ClassLoad
         // event.
-        if (obj->klass() != SystemDictionary::class_klass()) {
+        if (obj->klass() != SystemDictionary::Class_klass()) {
           collector->record_allocation(obj);
         }
       }
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/prims/jvmtiRedefineClasses.cpp
--- a/src/share/vm/prims/jvmtiRedefineClasses.cpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/prims/jvmtiRedefineClasses.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -3214,7 +3214,7 @@
     //  - all instanceKlasses for redefined classes reused & contents updated
     the_class->vtable()->initialize_vtable(false, THREAD);
     the_class->itable()->initialize_itable(false, THREAD);
-    assert(!HAS_PENDING_EXCEPTION || (THREAD->pending_exception()->is_a(SystemDictionary::threaddeath_klass())), "redefine exception");
+    assert(!HAS_PENDING_EXCEPTION || (THREAD->pending_exception()->is_a(SystemDictionary::ThreadDeath_klass())), "redefine exception");
   }
 
   // Leave arrays of jmethodIDs and itable index cache unchanged
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/prims/jvmtiTagMap.cpp
--- a/src/share/vm/prims/jvmtiTagMap.cpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/prims/jvmtiTagMap.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -579,7 +579,7 @@
 // If the object is a java.lang.Class then return the klassOop,
 // otherwise return the original object
 static inline oop klassOop_if_java_lang_Class(oop o) {
-  if (o->klass() == SystemDictionary::class_klass()) {
+  if (o->klass() == SystemDictionary::Class_klass()) {
     if (!java_lang_Class::is_primitive(o)) {
       o = (oop)java_lang_Class::as_klassOop(o);
       assert(o != NULL, "class for non-primitive mirror must exist");
@@ -644,7 +644,7 @@
     } else {
       // if the object represents a runtime class then use the
       // tag for java.lang.Class
-      _klass = SystemDictionary::class_klass();
+      _klass = SystemDictionary::Class_klass();
     }
     _klass_tag = tag_for(tag_map, _klass);
   }
@@ -747,7 +747,7 @@
       // get referrer class tag.
       klassOop k = (_referrer == referrer) ?  // Check if referrer is a class...
           _referrer->klass()                  // No, just get its class
-         : SystemDictionary::class_klass();   // Yes, its class is Class
+         : SystemDictionary::Class_klass();   // Yes, its class is Class
       _referrer_klass_tag = tag_for(tag_map, k);
     }
   }
@@ -1126,7 +1126,7 @@
                                          oop str,
                                          void* user_data)
 {
-  assert(str->klass() == SystemDictionary::string_klass(), "not a string");
+  assert(str->klass() == SystemDictionary::String_klass(), "not a string");
 
   // get the string value and length
   // (string value may be offset from the base)
@@ -1186,7 +1186,7 @@
   // for static fields only the index will be set
   static jvmtiHeapReferenceInfo reference_info = { 0 };
 
-  assert(obj->klass() == SystemDictionary::class_klass(), "not a class");
+  assert(obj->klass() == SystemDictionary::Class_klass(), "not a class");
   if (java_lang_Class::is_primitive(obj)) {
     return 0;
   }
@@ -1498,7 +1498,7 @@
   if (callbacks()->primitive_field_callback != NULL && obj->is_instance()) {
     jint res;
     jvmtiPrimitiveFieldCallback cb = callbacks()->primitive_field_callback;
-    if (obj->klass() == SystemDictionary::class_klass()) {
+    if (obj->klass() == SystemDictionary::Class_klass()) {
       res = invoke_primitive_field_callback_for_static_fields(&wrapper,
                                                                     obj,
                                                                     cb,
@@ -1515,7 +1515,7 @@
   // string callback
   if (!is_array &&
       callbacks()->string_primitive_value_callback != NULL &&
-      obj->klass() == SystemDictionary::string_klass()) {
+      obj->klass() == SystemDictionary::String_klass()) {
     jint res = invoke_string_value_callback(
                 callbacks()->string_primitive_value_callback,
                 &wrapper,
@@ -2381,7 +2381,7 @@
 
 // invoke the string value callback
 inline bool CallbackInvoker::report_string_value(oop str) {
-  assert(str->klass() == SystemDictionary::string_klass(), "not a string");
+  assert(str->klass() == SystemDictionary::String_klass(), "not a string");
 
   AdvancedHeapWalkContext* context = advanced_context();
   assert(context->string_primitive_value_callback() != NULL, "no callback");
@@ -2928,7 +2928,7 @@
 
     // super (only if something more interesting than java.lang.Object)
     klassOop java_super = ik->java_super();
-    if (java_super != NULL && java_super != SystemDictionary::object_klass()) {
+    if (java_super != NULL && java_super != SystemDictionary::Object_klass()) {
       oop super = Klass::cast(java_super)->java_mirror();
       if (!CallbackInvoker::report_superclass_reference(mirror, super)) {
         return false;
@@ -3070,7 +3070,7 @@
 
   // if the object is a java.lang.String
   if (is_reporting_string_values() &&
-      o->klass() == SystemDictionary::string_klass()) {
+      o->klass() == SystemDictionary::String_klass()) {
     if (!CallbackInvoker::report_string_value(o)) {
       return false;
     }
@@ -3255,7 +3255,7 @@
 
   // instance
   if (o->is_instance()) {
-    if (o->klass() == SystemDictionary::class_klass()) {
+    if (o->klass() == SystemDictionary::Class_klass()) {
       o = klassOop_if_java_lang_Class(o);
       if (o->is_klass()) {
         // a java.lang.Class
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/prims/methodHandleWalk.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/share/vm/prims/methodHandleWalk.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -0,0 +1,1396 @@
+/*
+ * Copyright 2008-2010 Sun Microsystems, Inc.  All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ */
+
+/*
+ * JSR 292 reference implementation: method handle structure analysis
+ */
+
+#include "incls/_precompiled.incl"
+#include "incls/_methodHandleWalk.cpp.incl"
+
+
+// -----------------------------------------------------------------------------
+// MethodHandleChain
+
+void MethodHandleChain::set_method_handle(Handle mh, TRAPS) {
+  if (!java_dyn_MethodHandle::is_instance(mh()))  lose("bad method handle", CHECK);
+
+  // set current method handle and unpack partially
+  _method_handle = mh;
+  _is_last       = false;
+  _is_bound      = false;
+  _arg_slot      = -1;
+  _arg_type      = T_VOID;
+  _conversion    = -1;
+  _last_invoke   = Bytecodes::_nop;  //arbitrary non-garbage
+
+  if (sun_dyn_DirectMethodHandle::is_instance(mh())) {
+    set_last_method(mh(), THREAD);
+    return;
+  }
+  if (sun_dyn_AdapterMethodHandle::is_instance(mh())) {
+    _conversion = AdapterMethodHandle_conversion();
+    assert(_conversion != -1, "bad conv value");
+    assert(sun_dyn_BoundMethodHandle::is_instance(mh()), "also BMH");
+  }
+  if (sun_dyn_BoundMethodHandle::is_instance(mh())) {
+    if (!is_adapter())          // keep AMH and BMH separate in this model
+      _is_bound = true;
+    _arg_slot = BoundMethodHandle_vmargslot();
+    oop target = MethodHandle_vmtarget_oop();
+    if (!is_bound() || java_dyn_MethodHandle::is_instance(target)) {
+      _arg_type = compute_bound_arg_type(target, NULL, _arg_slot, CHECK);
+    } else if (target != NULL && target->is_method()) {
+      methodOop m = (methodOop) target;
+      _arg_type = compute_bound_arg_type(NULL, m, _arg_slot, CHECK);
+      set_last_method(mh(), CHECK);
+    } else {
+      _is_bound = false;  // lose!
+    }
+  }
+  if (is_bound() && _arg_type == T_VOID) {
+    lose("bad vmargslot", CHECK);
+  }
+  if (!is_bound() && !is_adapter()) {
+    lose("unrecognized MH type", CHECK);
+  }
+}
+
+
+void MethodHandleChain::set_last_method(oop target, TRAPS) {
+  _is_last = true;
+  klassOop receiver_limit_oop = NULL;
+  int flags = 0;
+  methodOop m = MethodHandles::decode_method(target, receiver_limit_oop, flags);
+  _last_method = methodHandle(THREAD, m);
+  if ((flags & MethodHandles::_dmf_has_receiver) == 0)
+    _last_invoke = Bytecodes::_invokestatic;
+  else if ((flags & MethodHandles::_dmf_does_dispatch) == 0)
+    _last_invoke = Bytecodes::_invokespecial;
+  else if ((flags & MethodHandles::_dmf_from_interface) != 0)
+    _last_invoke = Bytecodes::_invokeinterface;
+  else
+    _last_invoke = Bytecodes::_invokevirtual;
+}
+
+
+BasicType MethodHandleChain::compute_bound_arg_type(oop target, methodOop m, int arg_slot, TRAPS) {
+  // There is no direct indication of whether the argument is primitive or not.
+  // It is implied by the _vmentry code, and by the MethodType of the target.
+  // FIXME: Make it explicit MethodHandleImpl refactors out from MethodHandle
+  BasicType arg_type = T_VOID;
+  if (target != NULL) {
+    oop mtype = java_dyn_MethodHandle::type(target);
+    int arg_num = MethodHandles::argument_slot_to_argnum(mtype, arg_slot);
+    if (arg_num >= 0) {
+      oop ptype = java_dyn_MethodType::ptype(mtype, arg_num);
+      arg_type = java_lang_Class::as_BasicType(ptype);
+    }
+  } else if (m != NULL) {
+    // figure out the argument type from the slot
+    // FIXME: make this explicit in the MH
+    int cur_slot = m->size_of_parameters();
+    if (arg_slot >= cur_slot)
+      return T_VOID;
+    if (!m->is_static()) {
+      cur_slot -= type2size[T_OBJECT];
+      if (cur_slot == arg_slot)
+        return T_OBJECT;
+    }
+    for (SignatureStream ss(m->signature()); !ss.is_done(); ss.next()) {
+      BasicType bt = ss.type();
+      cur_slot -= type2size[bt];
+      if (cur_slot <= arg_slot) {
+        if (cur_slot == arg_slot)
+          arg_type = bt;
+        break;
+      }
+    }
+  }
+  if (arg_type == T_ARRAY)
+    arg_type = T_OBJECT;
+  return arg_type;
+}
+
+
+void MethodHandleChain::lose(const char* msg, TRAPS) {
+  assert(false, "lose");
+  _lose_message = msg;
+  if (!THREAD->is_Java_thread() || ((JavaThread*)THREAD)->thread_state() != _thread_in_vm) {
+    // throw a preallocated exception
+    THROW_OOP(Universe::virtual_machine_error_instance());
+  }
+  THROW_MSG(vmSymbols::java_lang_InternalError(), msg);
+}
+
+
+// -----------------------------------------------------------------------------
+// MethodHandleWalker
+
+Bytecodes::Code MethodHandleWalker::conversion_code(BasicType src, BasicType dest) {
+  if (is_subword_type(src)) {
+    src = T_INT;          // all subword src types act like int
+  }
+  if (src == dest) {
+    return Bytecodes::_nop;
+  }
+
+#define SRC_DEST(s,d) (((int)(s) << 4) + (int)(d))
+  switch (SRC_DEST(src, dest)) {
+  case SRC_DEST(T_INT, T_LONG):           return Bytecodes::_i2l;
+  case SRC_DEST(T_INT, T_FLOAT):          return Bytecodes::_i2f;
+  case SRC_DEST(T_INT, T_DOUBLE):         return Bytecodes::_i2d;
+  case SRC_DEST(T_INT, T_BYTE):           return Bytecodes::_i2b;
+  case SRC_DEST(T_INT, T_CHAR):           return Bytecodes::_i2c;
+  case SRC_DEST(T_INT, T_SHORT):          return Bytecodes::_i2s;
+
+  case SRC_DEST(T_LONG, T_INT):           return Bytecodes::_l2i;
+  case SRC_DEST(T_LONG, T_FLOAT):         return Bytecodes::_l2f;
+  case SRC_DEST(T_LONG, T_DOUBLE):        return Bytecodes::_l2d;
+
+  case SRC_DEST(T_FLOAT, T_INT):          return Bytecodes::_f2i;
+  case SRC_DEST(T_FLOAT, T_LONG):         return Bytecodes::_f2l;
+  case SRC_DEST(T_FLOAT, T_DOUBLE):       return Bytecodes::_f2d;
+
+  case SRC_DEST(T_DOUBLE, T_INT):         return Bytecodes::_d2i;
+  case SRC_DEST(T_DOUBLE, T_LONG):        return Bytecodes::_d2l;
+  case SRC_DEST(T_DOUBLE, T_FLOAT):       return Bytecodes::_d2f;
+  }
+#undef SRC_DEST
+
+  // cannot do it in one step, or at all
+  return Bytecodes::_illegal;
+}
+
+
+// -----------------------------------------------------------------------------
+// MethodHandleWalker::walk
+//
+MethodHandleWalker::ArgToken
+MethodHandleWalker::walk(TRAPS) {
+  ArgToken empty = ArgToken();  // Empty return value.
+
+  walk_incoming_state(CHECK_(empty));
+
+  for (;;) {
+    set_method_handle(chain().method_handle_oop());
+
+    assert(_outgoing_argc == argument_count_slow(), "empty slots under control");
+
+    if (chain().is_adapter()) {
+      int conv_op = chain().adapter_conversion_op();
+      int arg_slot = chain().adapter_arg_slot();
+      SlotState* arg_state = slot_state(arg_slot);
+      if (arg_state == NULL
+          && conv_op > sun_dyn_AdapterMethodHandle::OP_RETYPE_RAW) {
+        lose("bad argument index", CHECK_(empty));
+      }
+
+      // perform the adapter action
+      switch (chain().adapter_conversion_op()) {
+      case sun_dyn_AdapterMethodHandle::OP_RETYPE_ONLY:
+        // No changes to arguments; pass the bits through.
+        break;
+
+      case sun_dyn_AdapterMethodHandle::OP_RETYPE_RAW: {
+        // To keep the verifier happy, emit bitwise ("raw") conversions as needed.
+        // See MethodHandles::same_basic_type_for_arguments for allowed conversions.
+        Handle incoming_mtype(THREAD, chain().method_type_oop());
+        oop outgoing_mh_oop = chain().vmtarget_oop();
+        if (!java_dyn_MethodHandle::is_instance(outgoing_mh_oop))
+          lose("outgoing target not a MethodHandle", CHECK_(empty));
+        Handle outgoing_mtype(THREAD, java_dyn_MethodHandle::type(outgoing_mh_oop));
+        outgoing_mh_oop = NULL;  // GC safety
+
+        int nptypes = java_dyn_MethodType::ptype_count(outgoing_mtype());
+        if (nptypes != java_dyn_MethodType::ptype_count(incoming_mtype()))
+          lose("incoming and outgoing parameter count do not agree", CHECK_(empty));
+
+        for (int i = 0, slot = _outgoing.length() - 1; slot >= 0; slot--) {
+          SlotState* arg_state = slot_state(slot);
+          if (arg_state->_type == T_VOID)  continue;
+          ArgToken arg = _outgoing.at(slot)._arg;
+
+          klassOop  in_klass  = NULL;
+          klassOop  out_klass = NULL;
+          BasicType inpbt  = java_lang_Class::as_BasicType(java_dyn_MethodType::ptype(incoming_mtype(), i), &in_klass);
+          BasicType outpbt = java_lang_Class::as_BasicType(java_dyn_MethodType::ptype(outgoing_mtype(), i), &out_klass);
+          assert(inpbt == arg.basic_type(), "sanity");
+
+          if (inpbt != outpbt) {
+            vmIntrinsics::ID iid = vmIntrinsics::for_raw_conversion(inpbt, outpbt);
+            if (iid == vmIntrinsics::_none) {
+              lose("no raw conversion method", CHECK_(empty));
+            }
+            ArgToken arglist[2];
+            arglist[0] = arg;         // outgoing 'this'
+            arglist[1] = ArgToken();  // sentinel
+            arg = make_invoke(NULL, iid, Bytecodes::_invokestatic, false, 1, &arglist[0], CHECK_(empty));
+            change_argument(inpbt, slot, outpbt, arg);
+          }
+
+          i++;  // We need to skip void slots at the top of the loop.
+        }
+
+        BasicType inrbt  = java_lang_Class::as_BasicType(java_dyn_MethodType::rtype(incoming_mtype()));
+        BasicType outrbt = java_lang_Class::as_BasicType(java_dyn_MethodType::rtype(outgoing_mtype()));
+        if (inrbt != outrbt) {
+          if (inrbt == T_INT && outrbt == T_VOID) {
+            // See comments in MethodHandles::same_basic_type_for_arguments.
+          } else {
+            assert(false, "IMPLEMENT ME");
+            lose("no raw conversion method", CHECK_(empty));
+          }
+        }
+        break;
+      }
+
+      case sun_dyn_AdapterMethodHandle::OP_CHECK_CAST: {
+        // checkcast the Nth outgoing argument in place
+        klassOop dest_klass = NULL;
+        BasicType dest = java_lang_Class::as_BasicType(chain().adapter_arg_oop(), &dest_klass);
+        assert(dest == T_OBJECT, "");
+        assert(dest == arg_state->_type, "");
+        ArgToken arg = arg_state->_arg;
+        ArgToken new_arg = make_conversion(T_OBJECT, dest_klass, Bytecodes::_checkcast, arg, CHECK_(empty));
+        assert(arg.index() == new_arg.index(), "should be the same index");
+        debug_only(dest_klass = (klassOop)badOop);
+        break;
+      }
+
+      case sun_dyn_AdapterMethodHandle::OP_PRIM_TO_PRIM: {
+        // i2l, etc., on the Nth outgoing argument in place
+        BasicType src = chain().adapter_conversion_src_type(),
+                  dest = chain().adapter_conversion_dest_type();
+        Bytecodes::Code bc = conversion_code(src, dest);
+        ArgToken arg = arg_state->_arg;
+        if (bc == Bytecodes::_nop) {
+          break;
+        } else if (bc != Bytecodes::_illegal) {
+          arg = make_conversion(dest, NULL, bc, arg, CHECK_(empty));
+        } else if (is_subword_type(dest)) {
+          bc = conversion_code(src, T_INT);
+          if (bc != Bytecodes::_illegal) {
+            arg = make_conversion(dest, NULL, bc, arg, CHECK_(empty));
+            bc = conversion_code(T_INT, dest);
+            arg = make_conversion(dest, NULL, bc, arg, CHECK_(empty));
+          }
+        }
+        if (bc == Bytecodes::_illegal) {
+          lose("bad primitive conversion", CHECK_(empty));
+        }
+        change_argument(src, arg_slot, dest, arg);
+        break;
+      }
+
+      case sun_dyn_AdapterMethodHandle::OP_REF_TO_PRIM: {
+        // checkcast to wrapper type & call intValue, etc.
+        BasicType dest = chain().adapter_conversion_dest_type();
+        ArgToken arg = arg_state->_arg;
+        arg = make_conversion(T_OBJECT, SystemDictionary::box_klass(dest),
+                              Bytecodes::_checkcast, arg, CHECK_(empty));
+        vmIntrinsics::ID unboxer = vmIntrinsics::for_unboxing(dest);
+        if (unboxer == vmIntrinsics::_none) {
+          lose("no unboxing method", CHECK_(empty));
+        }
+        ArgToken arglist[2];
+        arglist[0] = arg;         // outgoing 'this'
+        arglist[1] = ArgToken();  // sentinel
+        arg = make_invoke(NULL, unboxer, Bytecodes::_invokevirtual, false, 1, &arglist[0], CHECK_(empty));
+        change_argument(T_OBJECT, arg_slot, dest, arg);
+        break;
+      }
+
+      case sun_dyn_AdapterMethodHandle::OP_PRIM_TO_REF: {
+        // call wrapper type.valueOf
+        BasicType src = chain().adapter_conversion_src_type();
+        ArgToken arg = arg_state->_arg;
+        vmIntrinsics::ID boxer = vmIntrinsics::for_boxing(src);
+        if (boxer == vmIntrinsics::_none) {
+          lose("no boxing method", CHECK_(empty));
+        }
+        ArgToken arglist[2];
+        arglist[0] = arg;         // outgoing value
+        arglist[1] = ArgToken();  // sentinel
+        assert(false, "I think the argument count must be 1 instead of 0");
+        arg = make_invoke(NULL, boxer, Bytecodes::_invokevirtual, false, 0, &arglist[0], CHECK_(empty));
+        change_argument(src, arg_slot, T_OBJECT, arg);
+        break;
+      }
+
+      case sun_dyn_AdapterMethodHandle::OP_SWAP_ARGS: {
+        int dest_arg_slot = chain().adapter_conversion_vminfo();
+        if (!slot_has_argument(dest_arg_slot)) {
+          lose("bad swap index", CHECK_(empty));
+        }
+        // a simple swap between two arguments
+        SlotState* dest_arg_state = slot_state(dest_arg_slot);
+        SlotState temp = (*dest_arg_state);
+        (*dest_arg_state) = (*arg_state);
+        (*arg_state) = temp;
+        break;
+      }
+
+      case sun_dyn_AdapterMethodHandle::OP_ROT_ARGS: {
+        int dest_arg_slot = chain().adapter_conversion_vminfo();
+        if (!slot_has_argument(dest_arg_slot) || arg_slot == dest_arg_slot) {
+          lose("bad rotate index", CHECK_(empty));
+        }
+        SlotState* dest_arg_state = slot_state(dest_arg_slot);
+        // Rotate the source argument (plus following N slots) into the
+        // position occupied by the dest argument (plus following N slots).
+        int rotate_count = type2size[dest_arg_state->_type];
+        // (no other rotate counts are currently supported)
+        if (arg_slot < dest_arg_slot) {
+          for (int i = 0; i < rotate_count; i++) {
+            SlotState temp = _outgoing.at(arg_slot);
+            _outgoing.remove_at(arg_slot);
+            _outgoing.insert_before(dest_arg_slot + rotate_count - 1, temp);
+          }
+        } else { // arg_slot > dest_arg_slot
+          for (int i = 0; i < rotate_count; i++) {
+            SlotState temp = _outgoing.at(arg_slot + rotate_count - 1);
+            _outgoing.remove_at(arg_slot + rotate_count - 1);
+            _outgoing.insert_before(dest_arg_slot, temp);
+          }
+        }
+        break;
+      }
+
+      case sun_dyn_AdapterMethodHandle::OP_DUP_ARGS: {
+        int dup_slots = chain().adapter_conversion_stack_pushes();
+        if (dup_slots <= 0) {
+          lose("bad dup count", CHECK_(empty));
+        }
+        for (int i = 0; i < dup_slots; i++) {
+          SlotState* dup = slot_state(arg_slot + 2*i);
+          if (dup == NULL)              break;  // safety net
+          if (dup->_type != T_VOID)     _outgoing_argc += 1;
+          _outgoing.insert_before(i, (*dup));
+        }
+        break;
+      }
+
+      case sun_dyn_AdapterMethodHandle::OP_DROP_ARGS: {
+        int drop_slots = -chain().adapter_conversion_stack_pushes();
+        if (drop_slots <= 0) {
+          lose("bad drop count", CHECK_(empty));
+        }
+        for (int i = 0; i < drop_slots; i++) {
+          SlotState* drop = slot_state(arg_slot);
+          if (drop == NULL)             break;  // safety net
+          if (drop->_type != T_VOID)    _outgoing_argc -= 1;
+          _outgoing.remove_at(arg_slot);
+        }
+        break;
+      }
+
+      case sun_dyn_AdapterMethodHandle::OP_COLLECT_ARGS: { //NYI, may GC
+        lose("unimplemented", CHECK_(empty));
+        break;
+      }
+
+      case sun_dyn_AdapterMethodHandle::OP_SPREAD_ARGS: {
+        klassOop array_klass_oop = NULL;
+        BasicType array_type = java_lang_Class::as_BasicType(chain().adapter_arg_oop(),
+                                                             &array_klass_oop);
+        assert(array_type == T_OBJECT, "");
+        assert(Klass::cast(array_klass_oop)->oop_is_array(), "");
+        arrayKlassHandle array_klass(THREAD, array_klass_oop);
+        debug_only(array_klass_oop = (klassOop)badOop);
+
+        klassOop element_klass_oop = NULL;
+        BasicType element_type = java_lang_Class::as_BasicType(array_klass->component_mirror(),
+                                                               &element_klass_oop);
+        KlassHandle element_klass(THREAD, element_klass_oop);
+        debug_only(element_klass_oop = (klassOop)badOop);
+
+        // Fetch the argument, which we will cast to the required array type.
+        assert(arg_state->_type == T_OBJECT, "");
+        ArgToken array_arg = arg_state->_arg;
+        array_arg = make_conversion(T_OBJECT, array_klass(), Bytecodes::_checkcast, array_arg, CHECK_(empty));
+        change_argument(T_OBJECT, arg_slot, T_VOID, ArgToken(tt_void));
+
+        // Check the required length.
+        int spread_slots = 1 + chain().adapter_conversion_stack_pushes();
+        int spread_length = spread_slots;
+        if (type2size[element_type] == 2) {
+          if (spread_slots % 2 != 0)  spread_slots = -1;  // force error
+          spread_length = spread_slots / 2;
+        }
+        if (spread_slots < 0) {
+          lose("bad spread length", CHECK_(empty));
+        }
+
+        jvalue   length_jvalue;  length_jvalue.i = spread_length;
+        ArgToken length_arg = make_prim_constant(T_INT, &length_jvalue, CHECK_(empty));
+        // Call a built-in method known to the JVM to validate the length.
+        ArgToken arglist[3];
+        arglist[0] = array_arg;   // value to check
+        arglist[1] = length_arg;  // length to check
+        arglist[2] = ArgToken();  // sentinel
+        make_invoke(NULL, vmIntrinsics::_checkSpreadArgument,
+                    Bytecodes::_invokestatic, false, 3, &arglist[0], CHECK_(empty));
+
+        // Spread out the array elements.
+        Bytecodes::Code aload_op = Bytecodes::_aaload;
+        if (element_type != T_OBJECT) {
+          lose("primitive array NYI", CHECK_(empty));
+        }
+        int ap = arg_slot;
+        for (int i = 0; i < spread_length; i++) {
+          jvalue   offset_jvalue;  offset_jvalue.i = i;
+          ArgToken offset_arg = make_prim_constant(T_INT, &offset_jvalue, CHECK_(empty));
+          ArgToken element_arg = make_fetch(element_type, element_klass(), aload_op, array_arg, offset_arg, CHECK_(empty));
+          change_argument(T_VOID, ap, element_type, element_arg);
+          ap += type2size[element_type];
+        }
+        break;
+      }
+
+      case sun_dyn_AdapterMethodHandle::OP_FLYBY: //NYI, runs Java code
+      case sun_dyn_AdapterMethodHandle::OP_RICOCHET: //NYI, runs Java code
+        lose("unimplemented", CHECK_(empty));
+        break;
+
+      default:
+        lose("bad adapter conversion", CHECK_(empty));
+        break;
+      }
+    }
+
+    if (chain().is_bound()) {
+      // push a new argument
+      BasicType arg_type  = chain().bound_arg_type();
+      jint      arg_slot  = chain().bound_arg_slot();
+      oop       arg_oop   = chain().bound_arg_oop();
+      ArgToken  arg;
+      if (arg_type == T_OBJECT) {
+        arg = make_oop_constant(arg_oop, CHECK_(empty));
+      } else {
+        jvalue arg_value;
+        BasicType bt = java_lang_boxing_object::get_value(arg_oop, &arg_value);
+        if (bt == arg_type) {
+          arg = make_prim_constant(arg_type, &arg_value, CHECK_(empty));
+        } else {
+          lose("bad bound value", CHECK_(empty));
+        }
+      }
+      debug_only(arg_oop = badOop);
+      change_argument(T_VOID, arg_slot, arg_type, arg);
+    }
+
+    // this test must come after the body of the loop
+    if (!chain().is_last()) {
+      chain().next(CHECK_(empty));
+    } else {
+      break;
+    }
+  }
+
+  // finish the sequence with a tail-call to the ultimate target
+  // parameters are passed in logical order (recv 1st), not slot order
+  ArgToken* arglist = NEW_RESOURCE_ARRAY(ArgToken, _outgoing.length() + 1);
+  int ap = 0;
+  for (int i = _outgoing.length() - 1; i >= 0; i--) {
+    SlotState* arg_state = slot_state(i);
+    if (arg_state->_type == T_VOID)  continue;
+    arglist[ap++] = _outgoing.at(i)._arg;
+  }
+  assert(ap == _outgoing_argc, "");
+  arglist[ap] = ArgToken();  // add a sentinel, for the sake of asserts
+  return make_invoke(chain().last_method_oop(),
+                     vmIntrinsics::_none,
+                     chain().last_invoke_code(), true,
+                     ap, arglist, THREAD);
+}
+
+
+// -----------------------------------------------------------------------------
+// MethodHandleWalker::walk_incoming_state
+//
+void MethodHandleWalker::walk_incoming_state(TRAPS) {
+  Handle mtype(THREAD, chain().method_type_oop());
+  int nptypes = java_dyn_MethodType::ptype_count(mtype());
+  _outgoing_argc = nptypes;
+  int argp = nptypes - 1;
+  if (argp >= 0) {
+    _outgoing.at_grow(argp, make_state(T_VOID, ArgToken(tt_void))); // presize
+  }
+  for (int i = 0; i < nptypes; i++) {
+    klassOop  arg_type_klass = NULL;
+    BasicType arg_type = java_lang_Class::as_BasicType(
+                java_dyn_MethodType::ptype(mtype(), i), &arg_type_klass);
+    int index = new_local_index(arg_type);
+    ArgToken arg = make_parameter(arg_type, arg_type_klass, index, CHECK);
+    debug_only(arg_type_klass = (klassOop) NULL);
+    _outgoing.at_put(argp, make_state(arg_type, arg));
+    if (type2size[arg_type] == 2) {
+      // add the extra slot, so we can model the JVM stack
+      _outgoing.insert_before(argp+1, make_state(T_VOID, ArgToken(tt_void)));
+    }
+    --argp;
+  }
+  // call make_parameter at the end of the list for the return type
+  klassOop  ret_type_klass = NULL;
+  BasicType ret_type = java_lang_Class::as_BasicType(
+              java_dyn_MethodType::rtype(mtype()), &ret_type_klass);
+  ArgToken  ret = make_parameter(ret_type, ret_type_klass, -1, CHECK);
+  // ignore ret; client can catch it if needed
+}
+
+
+// -----------------------------------------------------------------------------
+// MethodHandleWalker::change_argument
+//
+// This is messy because some kinds of arguments are paired with
+// companion slots containing an empty value.
+void MethodHandleWalker::change_argument(BasicType old_type, int slot, BasicType new_type,
+                                         const ArgToken& new_arg) {
+  int old_size = type2size[old_type];
+  int new_size = type2size[new_type];
+  if (old_size == new_size) {
+    // simple case first
+    _outgoing.at_put(slot, make_state(new_type, new_arg));
+  } else if (old_size > new_size) {
+    for (int i = old_size - 1; i >= new_size; i--) {
+      assert((i != 0) == (_outgoing.at(slot + i)._type == T_VOID), "");
+      _outgoing.remove_at(slot + i);
+    }
+    if (new_size > 0)
+      _outgoing.at_put(slot, make_state(new_type, new_arg));
+    else
+      _outgoing_argc -= 1;      // deleted a real argument
+  } else {
+    for (int i = old_size; i < new_size; i++) {
+      _outgoing.insert_before(slot + i, make_state(T_VOID, ArgToken(tt_void)));
+    }
+    _outgoing.at_put(slot, make_state(new_type, new_arg));
+    if (old_size == 0)
+      _outgoing_argc += 1;      // inserted a real argument
+  }
+}
+
+
+#ifdef ASSERT
+int MethodHandleWalker::argument_count_slow() {
+  int args_seen = 0;
+  for (int i = _outgoing.length() - 1; i >= 0; i--) {
+    if (_outgoing.at(i)._type != T_VOID) {
+      ++args_seen;
+    }
+  }
+  return args_seen;
+}
+#endif
+
+
+// -----------------------------------------------------------------------------
+// MethodHandleCompiler
+
+MethodHandleCompiler::MethodHandleCompiler(Handle root, methodHandle callee, bool is_invokedynamic, TRAPS)
+  : MethodHandleWalker(root, is_invokedynamic, THREAD),
+    _callee(callee),
+    _thread(THREAD),
+    _bytecode(THREAD, 50),
+    _constants(THREAD, 10),
+    _cur_stack(0),
+    _max_stack(0),
+    _rtype(T_ILLEGAL)
+{
+
+  // Element zero is always the null constant.
+  (void) _constants.append(NULL);
+
+  // Set name and signature index.
+  _name_index      = cpool_symbol_put(_callee->name());
+  _signature_index = cpool_symbol_put(_callee->signature());
+
+  // Get return type klass.
+  Handle first_mtype(THREAD, chain().method_type_oop());
+  // _rklass is NULL for primitives.
+  _rtype = java_lang_Class::as_BasicType(java_dyn_MethodType::rtype(first_mtype()), &_rklass);
+
+  int params = _callee->size_of_parameters();  // Incoming arguments plus receiver.
+  _num_params = for_invokedynamic() ? params - 1 : params;  // XXX Check if callee is static?
+}
+
+
+// -----------------------------------------------------------------------------
+// MethodHandleCompiler::compile
+//
+// Compile this MethodHandle into a bytecode adapter and return a
+// methodOop.
+methodHandle MethodHandleCompiler::compile(TRAPS) {
+  assert(_thread == THREAD, "must be same thread");
+  methodHandle nullHandle;
+  (void) walk(CHECK_(nullHandle));
+  return get_method_oop(CHECK_(nullHandle));
+}
+
+
+void MethodHandleCompiler::emit_bc(Bytecodes::Code op, int index) {
+  Bytecodes::check(op);  // Are we legal?
+
+  switch (op) {
+  // b
+  case Bytecodes::_aconst_null:
+  case Bytecodes::_iconst_m1:
+  case Bytecodes::_iconst_0:
+  case Bytecodes::_iconst_1:
+  case Bytecodes::_iconst_2:
+  case Bytecodes::_iconst_3:
+  case Bytecodes::_iconst_4:
+  case Bytecodes::_iconst_5:
+  case Bytecodes::_lconst_0:
+  case Bytecodes::_lconst_1:
+  case Bytecodes::_fconst_0:
+  case Bytecodes::_fconst_1:
+  case Bytecodes::_fconst_2:
+  case Bytecodes::_dconst_0:
+  case Bytecodes::_dconst_1:
+  case Bytecodes::_iload_0:
+  case Bytecodes::_iload_1:
+  case Bytecodes::_iload_2:
+  case Bytecodes::_iload_3:
+  case Bytecodes::_lload_0:
+  case Bytecodes::_lload_1:
+  case Bytecodes::_lload_2:
+  case Bytecodes::_lload_3:
+  case Bytecodes::_fload_0:
+  case Bytecodes::_fload_1:
+  case Bytecodes::_fload_2:
+  case Bytecodes::_fload_3:
+  case Bytecodes::_dload_0:
+  case Bytecodes::_dload_1:
+  case Bytecodes::_dload_2:
+  case Bytecodes::_dload_3:
+  case Bytecodes::_aload_0:
+  case Bytecodes::_aload_1:
+  case Bytecodes::_aload_2:
+  case Bytecodes::_aload_3:
+  case Bytecodes::_istore_0:
+  case Bytecodes::_istore_1:
+  case Bytecodes::_istore_2:
+  case Bytecodes::_istore_3:
+  case Bytecodes::_lstore_0:
+  case Bytecodes::_lstore_1:
+  case Bytecodes::_lstore_2:
+  case Bytecodes::_lstore_3:
+  case Bytecodes::_fstore_0:
+  case Bytecodes::_fstore_1:
+  case Bytecodes::_fstore_2:
+  case Bytecodes::_fstore_3:
+  case Bytecodes::_dstore_0:
+  case Bytecodes::_dstore_1:
+  case Bytecodes::_dstore_2:
+  case Bytecodes::_dstore_3:
+  case Bytecodes::_astore_0:
+  case Bytecodes::_astore_1:
+  case Bytecodes::_astore_2:
+  case Bytecodes::_astore_3:
+  case Bytecodes::_i2l:
+  case Bytecodes::_i2f:
+  case Bytecodes::_i2d:
+  case Bytecodes::_i2b:
+  case Bytecodes::_i2c:
+  case Bytecodes::_i2s:
+  case Bytecodes::_l2i:
+  case Bytecodes::_l2f:
+  case Bytecodes::_l2d:
+  case Bytecodes::_f2i:
+  case Bytecodes::_f2l:
+  case Bytecodes::_f2d:
+  case Bytecodes::_d2i:
+  case Bytecodes::_d2l:
+  case Bytecodes::_d2f:
+  case Bytecodes::_ireturn:
+  case Bytecodes::_lreturn:
+  case Bytecodes::_freturn:
+  case Bytecodes::_dreturn:
+  case Bytecodes::_areturn:
+  case Bytecodes::_return:
+    assert(strcmp(Bytecodes::format(op), "b") == 0, "wrong bytecode format");
+    _bytecode.push(op);
+    break;
+
+  // bi
+  case Bytecodes::_ldc:
+  case Bytecodes::_iload:
+  case Bytecodes::_lload:
+  case Bytecodes::_fload:
+  case Bytecodes::_dload:
+  case Bytecodes::_aload:
+  case Bytecodes::_istore:
+  case Bytecodes::_lstore:
+  case Bytecodes::_fstore:
+  case Bytecodes::_dstore:
+  case Bytecodes::_astore:
+    assert(strcmp(Bytecodes::format(op), "bi") == 0, "wrong bytecode format");
+    assert((char) index == index, "index does not fit in 8-bit");
+    _bytecode.push(op);
+    _bytecode.push(index);
+    break;
+
+  // bii
+  case Bytecodes::_ldc2_w:
+  case Bytecodes::_checkcast:
+    assert(strcmp(Bytecodes::format(op), "bii") == 0, "wrong bytecode format");
+    assert((short) index == index, "index does not fit in 16-bit");
+    _bytecode.push(op);
+    _bytecode.push(index >> 8);
+    _bytecode.push(index);
+    break;
+
+  // bjj
+  case Bytecodes::_invokestatic:
+  case Bytecodes::_invokespecial:
+  case Bytecodes::_invokevirtual:
+    assert(strcmp(Bytecodes::format(op), "bjj") == 0, "wrong bytecode format");
+    assert((short) index == index, "index does not fit in 16-bit");
+    _bytecode.push(op);
+    _bytecode.push(index >> 8);
+    _bytecode.push(index);
+    break;
+
+  default:
+    ShouldNotReachHere();
+  }
+}
+
+
+void MethodHandleCompiler::emit_load(BasicType bt, int index) {
+  if (index <= 3) {
+    switch (bt) {
+    case T_BOOLEAN: case T_BYTE: case T_CHAR: case T_SHORT:
+    case T_INT:    emit_bc(Bytecodes::cast(Bytecodes::_iload_0 + index)); break;
+    case T_LONG:   emit_bc(Bytecodes::cast(Bytecodes::_lload_0 + index)); break;
+    case T_FLOAT:  emit_bc(Bytecodes::cast(Bytecodes::_fload_0 + index)); break;
+    case T_DOUBLE: emit_bc(Bytecodes::cast(Bytecodes::_dload_0 + index)); break;
+    case T_OBJECT: emit_bc(Bytecodes::cast(Bytecodes::_aload_0 + index)); break;
+    default:
+      ShouldNotReachHere();
+    }
+  }
+  else {
+    switch (bt) {
+    case T_BOOLEAN: case T_BYTE: case T_CHAR: case T_SHORT:
+    case T_INT:    emit_bc(Bytecodes::_iload, index); break;
+    case T_LONG:   emit_bc(Bytecodes::_lload, index); break;
+    case T_FLOAT:  emit_bc(Bytecodes::_fload, index); break;
+    case T_DOUBLE: emit_bc(Bytecodes::_dload, index); break;
+    case T_OBJECT: emit_bc(Bytecodes::_aload, index); break;
+    default:
+      ShouldNotReachHere();
+    }
+  }
+  stack_push(bt);
+}
+
+void MethodHandleCompiler::emit_store(BasicType bt, int index) {
+  if (index <= 3) {
+    switch (bt) {
+    case T_BOOLEAN: case T_BYTE: case T_CHAR: case T_SHORT:
+    case T_INT:    emit_bc(Bytecodes::cast(Bytecodes::_istore_0 + index)); break;
+    case T_LONG:   emit_bc(Bytecodes::cast(Bytecodes::_lstore_0 + index)); break;
+    case T_FLOAT:  emit_bc(Bytecodes::cast(Bytecodes::_fstore_0 + index)); break;
+    case T_DOUBLE: emit_bc(Bytecodes::cast(Bytecodes::_dstore_0 + index)); break;
+    case T_OBJECT: emit_bc(Bytecodes::cast(Bytecodes::_astore_0 + index)); break;
+    default:
+      ShouldNotReachHere();
+    }
+  }
+  else {
+    switch (bt) {
+    case T_BOOLEAN: case T_BYTE: case T_CHAR: case T_SHORT:
+    case T_INT:    emit_bc(Bytecodes::_istore, index); break;
+    case T_LONG:   emit_bc(Bytecodes::_lstore, index); break;
+    case T_FLOAT:  emit_bc(Bytecodes::_fstore, index); break;
+    case T_DOUBLE: emit_bc(Bytecodes::_dstore, index); break;
+    case T_OBJECT: emit_bc(Bytecodes::_astore, index); break;
+    default:
+      ShouldNotReachHere();
+    }
+  }
+  stack_pop(bt);
+}
+
+
+void MethodHandleCompiler::emit_load_constant(ArgToken arg) {
+  BasicType bt = arg.basic_type();
+  switch (bt) {
+  case T_INT: {
+    jint value = arg.get_jint();
+    if (-1 <= value && value <= 5)
+      emit_bc(Bytecodes::cast(Bytecodes::_iconst_0 + value));
+    else
+      emit_bc(Bytecodes::_ldc, cpool_int_put(value));
+    break;
+  }
+  case T_LONG: {
+    jlong value = arg.get_jlong();
+    if (0 <= value && value <= 1)
+      emit_bc(Bytecodes::cast(Bytecodes::_lconst_0 + (int) value));
+    else
+      emit_bc(Bytecodes::_ldc2_w, cpool_long_put(value));
+    break;
+  }
+  case T_FLOAT: {
+    jfloat value  = arg.get_jfloat();
+    if (value == 0.0 || value == 1.0 || value == 2.0)
+      emit_bc(Bytecodes::cast(Bytecodes::_fconst_0 + (int) value));
+    else
+      emit_bc(Bytecodes::_ldc, cpool_float_put(value));
+    break;
+  }
+  case T_DOUBLE: {
+    jdouble value = arg.get_jdouble();
+    if (value == 0.0 || value == 1.0)
+      emit_bc(Bytecodes::cast(Bytecodes::_dconst_0 + (int) value));
+    else
+      emit_bc(Bytecodes::_ldc2_w, cpool_double_put(value));
+    break;
+  }
+  case T_OBJECT: {
+    Handle value = arg.object();
+    if (value.is_null())
+      emit_bc(Bytecodes::_aconst_null);
+    else
+      emit_bc(Bytecodes::_ldc, cpool_object_put(value));
+    break;
+  }
+  default:
+    ShouldNotReachHere();
+  }
+  stack_push(bt);
+}
+
+
+MethodHandleWalker::ArgToken
+MethodHandleCompiler::make_conversion(BasicType type, klassOop tk, Bytecodes::Code op,
+                                      const ArgToken& src, TRAPS) {
+
+  BasicType srctype = src.basic_type();
+  int index = src.index();
+
+  switch (op) {
+  case Bytecodes::_i2l:
+  case Bytecodes::_i2f:
+  case Bytecodes::_i2d:
+  case Bytecodes::_i2b:
+  case Bytecodes::_i2c:
+  case Bytecodes::_i2s:
+
+  case Bytecodes::_l2i:
+  case Bytecodes::_l2f:
+  case Bytecodes::_l2d:
+
+  case Bytecodes::_f2i:
+  case Bytecodes::_f2l:
+  case Bytecodes::_f2d:
+
+  case Bytecodes::_d2i:
+  case Bytecodes::_d2l:
+  case Bytecodes::_d2f:
+    emit_load(srctype, index);
+    stack_pop(srctype);  // pop the src type
+    emit_bc(op);
+    stack_push(type);    // push the dest value
+    if (srctype != type)
+      index = new_local_index(type);
+    emit_store(type, index);
+    break;
+
+  case Bytecodes::_checkcast:
+    emit_load(srctype, index);
+    emit_bc(op, cpool_klass_put(tk));
+    emit_store(srctype, index);
+    break;
+
+  default:
+    ShouldNotReachHere();
+  }
+
+  return make_parameter(type, tk, index, THREAD);
+}
+
+
+// -----------------------------------------------------------------------------
+// MethodHandleCompiler
+//
+
+static jvalue zero_jvalue;
+
+// Emit bytecodes for the given invoke instruction.
+MethodHandleWalker::ArgToken
+MethodHandleCompiler::make_invoke(methodOop m, vmIntrinsics::ID iid,
+                                  Bytecodes::Code op, bool tailcall,
+                                  int argc, MethodHandleWalker::ArgToken* argv,
+                                  TRAPS) {
+  if (m == NULL) {
+    // Get the intrinsic methodOop.
+    m = vmIntrinsics::method_for(iid);
+  }
+
+  klassOop  klass     = m->method_holder();
+  symbolOop name      = m->name();
+  symbolOop signature = m->signature();
+
+  // This generated adapter method should be in the same class as the
+  // DMH target method (for accessability reasons).
+  if (tailcall) {
+    _target_klass = klass;
+  }
+
+  // instanceKlass* ik = instanceKlass::cast(klass);
+  // tty->print_cr("MethodHandleCompiler::make_invoke: %s %s.%s%s", Bytecodes::name(op), ik->external_name(), name->as_C_string(), signature->as_C_string());
+
+  // Inline the method.
+  InvocationCounter* ic = m->invocation_counter();
+  ic->set_carry();
+
+  for (int i = 0; i < argc; i++) {
+    ArgToken arg = argv[i];
+    TokenType tt = arg.token_type();
+    BasicType bt = arg.basic_type();
+
+    switch (tt) {
+    case tt_parameter:
+    case tt_temporary:
+      emit_load(bt, arg.index());
+      break;
+    case tt_constant:
+      emit_load_constant(arg);
+      break;
+    case tt_illegal:
+      // Sentinel.
+      assert(i == (argc - 1), "sentinel must be last entry");
+      break;
+    case tt_void:
+    default:
+      ShouldNotReachHere();
+    }
+  }
+
+  // Populate constant pool.
+  int name_index          = cpool_symbol_put(name);
+  int signature_index     = cpool_symbol_put(signature);
+  int name_and_type_index = cpool_name_and_type_put(name_index, signature_index);
+  int klass_index         = cpool_klass_put(klass);
+  int methodref_index     = cpool_methodref_put(klass_index, name_and_type_index);
+
+  // Generate invoke.
+  switch (op) {
+  case Bytecodes::_invokestatic:
+  case Bytecodes::_invokespecial:
+  case Bytecodes::_invokevirtual:
+    emit_bc(op, methodref_index);
+    break;
+  case Bytecodes::_invokeinterface:
+    Unimplemented();
+    break;
+  default:
+    ShouldNotReachHere();
+  }
+
+  // If tailcall, we have walked all the way to a direct method handle.
+  // Otherwise, make a recursive call to some helper routine.
+  BasicType rbt = m->result_type();
+  ArgToken ret;
+  if (tailcall) {
+    if (rbt != _rtype) {
+      if (rbt == T_VOID) {
+        // push a zero of the right sort
+        ArgToken zero;
+        if (_rtype == T_OBJECT) {
+          zero = make_oop_constant(NULL, CHECK_(zero));
+        } else {
+          zero = make_prim_constant(_rtype, &zero_jvalue, CHECK_(zero));
+        }
+        emit_load_constant(zero);
+      } else if (_rtype == T_VOID) {
+        // We'll emit a _return with something on the stack.
+        // It's OK to ignore what's on the stack.
+      } else {
+        tty->print_cr("*** rbt=%d != rtype=%d", rbt, _rtype);
+        assert(false, "IMPLEMENT ME");
+      }
+    }
+    switch (_rtype) {
+    case T_BOOLEAN: case T_BYTE: case T_CHAR: case T_SHORT:
+    case T_INT:    emit_bc(Bytecodes::_ireturn); break;
+    case T_LONG:   emit_bc(Bytecodes::_lreturn); break;
+    case T_FLOAT:  emit_bc(Bytecodes::_freturn); break;
+    case T_DOUBLE: emit_bc(Bytecodes::_dreturn); break;
+    case T_VOID:   emit_bc(Bytecodes::_return);  break;
+    case T_OBJECT:
+      if (_rklass.not_null() && _rklass() != SystemDictionary::Object_klass())
+        emit_bc(Bytecodes::_checkcast, cpool_klass_put(_rklass()));
+      emit_bc(Bytecodes::_areturn);
+      break;
+    default: ShouldNotReachHere();
+    }
+    ret = ArgToken();  // Dummy return value.
+  }
+  else {
+    stack_push(rbt);  // The return value is already pushed onto the stack.
+    int index = new_local_index(rbt);
+    switch (rbt) {
+    case T_BOOLEAN: case T_BYTE: case T_CHAR:  case T_SHORT:
+    case T_INT:     case T_LONG: case T_FLOAT: case T_DOUBLE:
+    case T_OBJECT:
+      emit_store(rbt, index);
+      ret = ArgToken(tt_temporary, rbt, index);
+      break;
+    case T_VOID:
+      ret = ArgToken(tt_void);
+      break;
+    default:
+      ShouldNotReachHere();
+    }
+  }
+
+  return ret;
+}
+
+MethodHandleWalker::ArgToken
+MethodHandleCompiler::make_fetch(BasicType type, klassOop tk, Bytecodes::Code op,
+                                 const MethodHandleWalker::ArgToken& base,
+                                 const MethodHandleWalker::ArgToken& offset,
+                                 TRAPS) {
+  Unimplemented();
+  return ArgToken();
+}
+
+
+int MethodHandleCompiler::cpool_primitive_put(BasicType bt, jvalue* con) {
+  jvalue con_copy;
+  assert(bt < T_OBJECT, "");
+  if (type2aelembytes(bt) < jintSize) {
+    // widen to int
+    con_copy = (*con);
+    con = &con_copy;
+    switch (bt) {
+    case T_BOOLEAN: con->i = (con->z ? 1 : 0); break;
+    case T_BYTE:    con->i = con->b;           break;
+    case T_CHAR:    con->i = con->c;           break;
+    case T_SHORT:   con->i = con->s;           break;
+    default: ShouldNotReachHere();
+    }
+    bt = T_INT;
+  }
+
+//   for (int i = 1, imax = _constants.length(); i < imax; i++) {
+//     ConstantValue* con = _constants.at(i);
+//     if (con != NULL && con->is_primitive() && con->_type == bt) {
+//       bool match = false;
+//       switch (type2size[bt]) {
+//       case 1:  if (pcon->_value.i == con->i)  match = true;  break;
+//       case 2:  if (pcon->_value.j == con->j)  match = true;  break;
+//       }
+//       if (match)
+//         return i;
+//     }
+//   }
+  ConstantValue* cv = new ConstantValue(bt, *con);
+  int index = _constants.append(cv);
+
+  // long and double entries take 2 slots, we add another empty entry.
+  if (type2size[bt] == 2)
+    (void) _constants.append(NULL);
+
+  return index;
+}
+
+
+constantPoolHandle MethodHandleCompiler::get_constant_pool(TRAPS) const {
+  constantPoolHandle nullHandle;
+  bool is_conc_safe = true;
+  constantPoolOop cpool_oop = oopFactory::new_constantPool(_constants.length(), is_conc_safe, CHECK_(nullHandle));
+  constantPoolHandle cpool(THREAD, cpool_oop);
+
+  // Fill the real constant pool skipping the zero element.
+  for (int i = 1; i < _constants.length(); i++) {
+    ConstantValue* cv = _constants.at(i);
+    switch (cv->tag()) {
+    case JVM_CONSTANT_Utf8:        cpool->symbol_at_put(       i, cv->symbol_oop()                     ); break;
+    case JVM_CONSTANT_Integer:     cpool->int_at_put(          i, cv->get_jint()                       ); break;
+    case JVM_CONSTANT_Float:       cpool->float_at_put(        i, cv->get_jfloat()                     ); break;
+    case JVM_CONSTANT_Long:        cpool->long_at_put(         i, cv->get_jlong()                      ); break;
+    case JVM_CONSTANT_Double:      cpool->double_at_put(       i, cv->get_jdouble()                    ); break;
+    case JVM_CONSTANT_Class:       cpool->klass_at_put(        i, cv->klass_oop()                      ); break;
+    case JVM_CONSTANT_Methodref:   cpool->method_at_put(       i, cv->first_index(), cv->second_index()); break;
+    case JVM_CONSTANT_NameAndType: cpool->name_and_type_at_put(i, cv->first_index(), cv->second_index()); break;
+    case JVM_CONSTANT_Object:      cpool->object_at_put(       i, cv->object_oop()                     ); break;
+    default: ShouldNotReachHere();
+    }
+
+    switch (cv->tag()) {
+    case JVM_CONSTANT_Long:
+    case JVM_CONSTANT_Double:
+      i++;  // Skip empty entry.
+      assert(_constants.at(i) == NULL, "empty entry");
+      break;
+    }
+  }
+
+  // Set the constant pool holder to the target method's class.
+  cpool->set_pool_holder(_target_klass());
+
+  return cpool;
+}
+
+
+methodHandle MethodHandleCompiler::get_method_oop(TRAPS) const {
+  methodHandle nullHandle;
+  // Create a method that holds the generated bytecode.  invokedynamic
+  // has no receiver, normal MH calls do.
+  int flags_bits;
+  if (for_invokedynamic())
+    flags_bits = (/*JVM_MH_INVOKE_BITS |*/ JVM_ACC_PUBLIC | JVM_ACC_FINAL | JVM_ACC_STATIC);
+  else
+    flags_bits = (/*JVM_MH_INVOKE_BITS |*/ JVM_ACC_PUBLIC | JVM_ACC_FINAL);
+
+  bool is_conc_safe = true;
+  methodOop m_oop = oopFactory::new_method(bytecode_length(),
+                                           accessFlags_from(flags_bits),
+                                           0, 0, 0, is_conc_safe, CHECK_(nullHandle));
+  methodHandle m(THREAD, m_oop);
+  m_oop = NULL;  // oop not GC safe
+
+  constantPoolHandle cpool = get_constant_pool(CHECK_(nullHandle));
+  m->set_constants(cpool());
+
+  m->set_name_index(_name_index);
+  m->set_signature_index(_signature_index);
+
+  m->set_code((address) bytecode());
+
+  m->set_max_stack(_max_stack);
+  m->set_max_locals(max_locals());
+  m->set_size_of_parameters(_num_params);
+
+  typeArrayHandle exception_handlers(THREAD, Universe::the_empty_int_array());
+  m->set_exception_table(exception_handlers());
+
+  // Set the carry bit of the invocation counter to force inlining of
+  // the adapter.
+  InvocationCounter* ic = m->invocation_counter();
+  ic->set_carry();
+
+  // Rewrite the method and set up the constant pool cache.
+  objArrayOop m_array = oopFactory::new_system_objArray(1, CHECK_(nullHandle));
+  objArrayHandle methods(THREAD, m_array);
+  methods->obj_at_put(0, m());
+  Rewriter::rewrite(_target_klass(), cpool, methods, CHECK_(nullHandle));  // Use fake class.
+
+#ifndef PRODUCT
+  if (TraceMethodHandles) {
+    m->print();
+    m->print_codes();
+  }
+#endif //PRODUCT
+
+  return m;
+}
+
+
+#ifndef PRODUCT
+
+#if 0
+// MH printer for debugging.
+
+class MethodHandlePrinter : public MethodHandleWalker {
+private:
+  outputStream* _out;
+  bool          _verbose;
+  int           _temp_num;
+  stringStream  _strbuf;
+  const char* strbuf() {
+    const char* s = _strbuf.as_string();
+    _strbuf.reset();
+    return s;
+  }
+  ArgToken token(const char* str) {
+    return (ArgToken) str;
+  }
+  void start_params() {
+    _out->print("(");
+  }
+  void end_params() {
+    if (_verbose)  _out->print("\n");
+    _out->print(") => {");
+  }
+  void put_type_name(BasicType type, klassOop tk, outputStream* s) {
+    const char* kname = NULL;
+    if (tk != NULL)
+      kname = Klass::cast(tk)->external_name();
+    s->print("%s", (kname != NULL) ? kname : type2name(type));
+  }
+  ArgToken maybe_make_temp(const char* statement_op, BasicType type, const char* temp_name) {
+    const char* value = strbuf();
+    if (!_verbose)  return token(value);
+    // make an explicit binding for each separate value
+    _strbuf.print("%s%d", temp_name, ++_temp_num);
+    const char* temp = strbuf();
+    _out->print("\n  %s %s %s = %s;", statement_op, type2name(type), temp, value);
+    return token(temp);
+  }
+
+public:
+  MethodHandlePrinter(Handle root, bool verbose, outputStream* out, TRAPS)
+    : MethodHandleWalker(root, THREAD),
+      _out(out),
+      _verbose(verbose),
+      _temp_num(0)
+  {
+    start_params();
+  }
+  virtual ArgToken make_parameter(BasicType type, klassOop tk, int argnum, TRAPS) {
+    if (argnum < 0) {
+      end_params();
+      return NULL;
+    }
+    if (argnum == 0) {
+      _out->print(_verbose ? "\n  " : "");
+    } else {
+      _out->print(_verbose ? ",\n  " : ", ");
+    }
+    if (argnum >= _temp_num)
+      _temp_num = argnum;
+    // generate an argument name
+    _strbuf.print("a%d", argnum);
+    const char* arg = strbuf();
+    put_type_name(type, tk, _out);
+    _out->print(" %s", arg);
+    return token(arg);
+  }
+  virtual ArgToken make_oop_constant(oop con, TRAPS) {
+    if (con == NULL)
+      _strbuf.print("null");
+    else
+      con->print_value_on(&_strbuf);
+    if (_strbuf.size() == 0) {  // yuck
+      _strbuf.print("(a ");
+      put_type_name(T_OBJECT, con->klass(), &_strbuf);
+      _strbuf.print(")");
+    }
+    return maybe_make_temp("constant", T_OBJECT, "k");
+  }
+  virtual ArgToken make_prim_constant(BasicType type, jvalue* con, TRAPS) {
+    java_lang_boxing_object::print(type, con, &_strbuf);
+    return maybe_make_temp("constant", type, "k");
+  }
+  virtual ArgToken make_conversion(BasicType type, klassOop tk, Bytecodes::Code op, ArgToken src, TRAPS) {
+    _strbuf.print("%s(%s", Bytecodes::name(op), (const char*)src);
+    if (tk != NULL) {
+      _strbuf.print(", ");
+      put_type_name(type, tk, &_strbuf);
+    }
+    _strbuf.print(")");
+    return maybe_make_temp("convert", type, "v");
+  }
+  virtual ArgToken make_fetch(BasicType type, klassOop tk, Bytecodes::Code op, ArgToken base, ArgToken offset, TRAPS) {
+    _strbuf.print("%s(%s, %s", Bytecodes::name(op), (const char*)base, (const char*)offset);
+    if (tk != NULL) {
+      _strbuf.print(", ");
+      put_type_name(type, tk, &_strbuf);
+    }
+    _strbuf.print(")");
+    return maybe_make_temp("fetch", type, "x");
+  }
+  virtual ArgToken make_invoke(methodOop m, vmIntrinsics::ID iid,
+                               Bytecodes::Code op, bool tailcall,
+                               int argc, ArgToken* argv, TRAPS) {
+    symbolOop name, sig;
+    if (m != NULL) {
+      name = m->name();
+      sig  = m->signature();
+    } else {
+      name = vmSymbols::symbol_at(vmIntrinsics::name_for(iid));
+      sig  = vmSymbols::symbol_at(vmIntrinsics::signature_for(iid));
+    }
+    _strbuf.print("%s %s%s(", Bytecodes::name(op), name->as_C_string(), sig->as_C_string());
+    for (int i = 0; i < argc; i++) {
+      _strbuf.print("%s%s", (i > 0 ? ", " : ""), (const char*)argv[i]);
+    }
+    _strbuf.print(")");
+    if (!tailcall) {
+      BasicType rt = char2type(sig->byte_at(sig->utf8_length()-1));
+      if (rt == T_ILLEGAL)  rt = T_OBJECT;  // ';' at the end of '(...)L...;'
+      return maybe_make_temp("invoke", rt, "x");
+    } else {
+      const char* ret = strbuf();
+      _out->print(_verbose ? "\n  return " : " ");
+      _out->print("%s", ret);
+      _out->print(_verbose ? "\n}\n" : " }");
+    }
+    return ArgToken();
+  }
+
+  virtual void set_method_handle(oop mh) {
+    if (WizardMode && Verbose) {
+      tty->print("\n--- next target: ");
+      mh->print();
+    }
+  }
+
+  static void print(Handle root, bool verbose, outputStream* out, TRAPS) {
+    ResourceMark rm;
+    MethodHandlePrinter printer(root, verbose, out, CHECK);
+    printer.walk(CHECK);
+    out->print("\n");
+  }
+  static void print(Handle root, bool verbose = Verbose, outputStream* out = tty) {
+    EXCEPTION_MARK;
+    ResourceMark rm;
+    MethodHandlePrinter printer(root, verbose, out, THREAD);
+    if (!HAS_PENDING_EXCEPTION)
+      printer.walk(THREAD);
+    if (HAS_PENDING_EXCEPTION) {
+      oop ex = PENDING_EXCEPTION;
+      CLEAR_PENDING_EXCEPTION;
+      out->print("\n*** ");
+      if (ex != Universe::virtual_machine_error_instance())
+        ex->print_on(out);
+      else
+        out->print("lose: %s", printer.lose_message());
+      out->print("\n}\n");
+    }
+    out->print("\n");
+  }
+};
+#endif // 0
+
+extern "C"
+void print_method_handle(oop mh) {
+  if (java_dyn_MethodHandle::is_instance(mh)) {
+    //MethodHandlePrinter::print(mh);
+  } else {
+    tty->print("*** not a method handle: ");
+    mh->print();
+  }
+}
+
+#endif // PRODUCT
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/prims/methodHandleWalk.hpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/share/vm/prims/methodHandleWalk.hpp	Wed Jan 06 22:21:39 2010 -0800
@@ -0,0 +1,407 @@
+/*
+ * Copyright 2008-2010 Sun Microsystems, Inc.  All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ */
+
+// Low-level parser for method handle chains.
+class MethodHandleChain : StackObj {
+public:
+  typedef MethodHandles::EntryKind EntryKind;
+
+private:
+  Handle        _root;          // original target
+  Handle        _method_handle; // current target
+  bool          _is_last;       // final guy in chain
+  bool          _is_bound;      // has a bound argument
+  BasicType     _arg_type;      // if is_bound, the bound argument type
+  int           _arg_slot;      // if is_bound or is_adapter, affected argument slot
+  jint          _conversion;    // conversion field of AMH or -1
+  methodHandle  _last_method;   // if is_last, which method we target
+  Bytecodes::Code _last_invoke; // if is_last, type of invoke
+  const char*   _lose_message;  // saved argument to lose()
+
+  void set_method_handle(Handle target, TRAPS);
+  void set_last_method(oop target, TRAPS);
+  static BasicType compute_bound_arg_type(oop target, methodOop m, int arg_slot, TRAPS);
+
+  oop MethodHandle_type_oop()     { return java_dyn_MethodHandle::type(method_handle_oop()); }
+  oop MethodHandle_vmtarget_oop() { return java_dyn_MethodHandle::vmtarget(method_handle_oop()); }
+  int MethodHandle_vmslots()      { return java_dyn_MethodHandle::vmslots(method_handle_oop()); }
+  int DirectMethodHandle_vmindex()     { return sun_dyn_DirectMethodHandle::vmindex(method_handle_oop()); }
+  oop BoundMethodHandle_argument_oop() { return sun_dyn_BoundMethodHandle::argument(method_handle_oop()); }
+  int BoundMethodHandle_vmargslot()    { return sun_dyn_BoundMethodHandle::vmargslot(method_handle_oop()); }
+  int AdapterMethodHandle_conversion() { return sun_dyn_AdapterMethodHandle::conversion(method_handle_oop()); }
+
+public:
+  MethodHandleChain(Handle root, TRAPS)
+    : _root(root)
+  { set_method_handle(root, THREAD); }
+
+  bool is_adapter()             { return _conversion != -1; }
+  bool is_bound()               { return _is_bound; }
+  bool is_last()                { return _is_last; }
+
+  void next(TRAPS) {
+    assert(!is_last(), "");
+    set_method_handle(MethodHandle_vmtarget_oop(), THREAD);
+  }
+
+  Handle method_handle()        { return _method_handle; }
+  oop    method_handle_oop()    { return _method_handle(); }
+  oop    method_type_oop()      { return MethodHandle_type_oop(); }
+  oop    vmtarget_oop()         { return MethodHandle_vmtarget_oop(); }
+
+  jint adapter_conversion()     { assert(is_adapter(), ""); return _conversion; }
+  int  adapter_conversion_op()  { return MethodHandles::adapter_conversion_op(adapter_conversion()); }
+  BasicType adapter_conversion_src_type()
+                                { return MethodHandles::adapter_conversion_src_type(adapter_conversion()); }
+  BasicType adapter_conversion_dest_type()
+                                { return MethodHandles::adapter_conversion_dest_type(adapter_conversion()); }
+  int  adapter_conversion_stack_move()
+                                { return MethodHandles::adapter_conversion_stack_move(adapter_conversion()); }
+  int  adapter_conversion_stack_pushes()
+                                { return adapter_conversion_stack_move() / MethodHandles::stack_move_unit(); }
+  int  adapter_conversion_vminfo()
+                                { return MethodHandles::adapter_conversion_vminfo(adapter_conversion()); }
+  int adapter_arg_slot()        { assert(is_adapter(), ""); return _arg_slot; }
+  oop adapter_arg_oop()         { assert(is_adapter(), ""); return BoundMethodHandle_argument_oop(); }
+
+  BasicType bound_arg_type()    { assert(is_bound(), ""); return _arg_type; }
+  int       bound_arg_slot()    { assert(is_bound(), ""); return _arg_slot; }
+  oop       bound_arg_oop()     { assert(is_bound(), ""); return BoundMethodHandle_argument_oop(); }
+
+  methodOop last_method_oop()   { assert(is_last(), ""); return _last_method(); }
+  Bytecodes::Code last_invoke_code() { assert(is_last(), ""); return _last_invoke; }
+
+  void lose(const char* msg, TRAPS);
+  const char* lose_message()    { return _lose_message; }
+};
+
+
+// Structure walker for method handles.
+// Does abstract interpretation on top of low-level parsing.
+// You supply the tokens shuffled by the abstract interpretation.
+class MethodHandleWalker : StackObj {
+public:
+  // Stack values:
+  enum TokenType {
+    tt_void,
+    tt_parameter,
+    tt_temporary,
+    tt_constant,
+    tt_illegal
+  };
+
+  // Argument token:
+  class ArgToken {
+  private:
+    TokenType _tt;
+    BasicType _bt;
+    jvalue    _value;
+    Handle    _handle;
+
+  public:
+    ArgToken(TokenType tt = tt_illegal) : _tt(tt) {}
+    ArgToken(TokenType tt, BasicType bt, jvalue value) : _tt(tt), _bt(bt), _value(value) {}
+
+    ArgToken(TokenType tt, BasicType bt, int index) : _tt(tt), _bt(bt) {
+      _value.i = index;
+    }
+
+    ArgToken(TokenType tt, BasicType bt, Handle value) : _tt(tt), _bt(bt) {
+      _handle = value;
+    }
+
+    TokenType token_type()  const { return _tt; }
+    BasicType basic_type()  const { return _bt; }
+    int       index()       const { return _value.i; }
+    Handle    object()      const { return _handle; }
+
+    jint      get_jint()    const { return _value.i; }
+    jlong     get_jlong()   const { return _value.j; }
+    jfloat    get_jfloat()  const { return _value.f; }
+    jdouble   get_jdouble() const { return _value.d; }
+  };
+
+  // Abstract interpretation state:
+  struct SlotState {
+    BasicType _type;
+    ArgToken  _arg;
+    SlotState() : _type(), _arg() {}
+  };
+  static SlotState make_state(BasicType type, ArgToken arg) {
+    SlotState ss;
+    ss._type = type; ss._arg = arg;
+    return ss;
+  }
+
+private:
+  MethodHandleChain _chain;
+  bool              _for_invokedynamic;
+  int               _local_index;
+
+  GrowableArray<SlotState> _outgoing;       // current outgoing parameter slots
+  int                      _outgoing_argc;  // # non-empty outgoing slots
+
+  // Replace a value of type old_type at slot (and maybe slot+1) with the new value.
+  // If old_type != T_VOID, remove the old argument at that point.
+  // If new_type != T_VOID, insert the new argument at that point.
+  // Insert or delete a second empty slot as needed.
+  void change_argument(BasicType old_type, int slot, BasicType new_type, const ArgToken& new_arg);
+
+  SlotState* slot_state(int slot) {
+    if (slot < 0 || slot >= _outgoing.length())
+      return NULL;
+    return _outgoing.adr_at(slot);
+  }
+  BasicType slot_type(int slot) {
+    SlotState* ss = slot_state(slot);
+    if (ss == NULL)
+      return T_ILLEGAL;
+    return ss->_type;
+  }
+  bool slot_has_argument(int slot) {
+    return slot_type(slot) < T_VOID;
+  }
+
+#ifdef ASSERT
+  int argument_count_slow();
+#endif
+
+  // Return a bytecode for converting src to dest, if one exists.
+  Bytecodes::Code conversion_code(BasicType src, BasicType dest);
+
+  void walk_incoming_state(TRAPS);
+
+public:
+  MethodHandleWalker(Handle root, bool for_invokedynamic, TRAPS)
+    : _chain(root, THREAD),
+      _for_invokedynamic(for_invokedynamic),
+      _outgoing(THREAD, 10),
+      _outgoing_argc(0)
+  {
+    _local_index = for_invokedynamic ? 0 : 1;
+  }
+
+  MethodHandleChain& chain() { return _chain; }
+
+  bool for_invokedynamic() const { return _for_invokedynamic; }
+
+  int new_local_index(BasicType bt) {
+    //int index = _for_invokedynamic ? _local_index : _local_index - 1;
+    int index = _local_index;
+    _local_index += type2size[bt];
+    return index;
+  }
+
+  int max_locals() const { return _local_index; }
+
+  // plug-in abstract interpretation steps:
+  virtual ArgToken make_parameter( BasicType type, klassOop tk, int argnum, TRAPS ) = 0;
+  virtual ArgToken make_prim_constant( BasicType type, jvalue* con, TRAPS ) = 0;
+  virtual ArgToken make_oop_constant( oop con, TRAPS ) = 0;
+  virtual ArgToken make_conversion( BasicType type, klassOop tk, Bytecodes::Code op, const ArgToken& src, TRAPS ) = 0;
+  virtual ArgToken make_fetch( BasicType type, klassOop tk, Bytecodes::Code op, const ArgToken& base, const ArgToken& offset, TRAPS ) = 0;
+  virtual ArgToken make_invoke( methodOop m, vmIntrinsics::ID iid, Bytecodes::Code op, bool tailcall, int argc, ArgToken* argv, TRAPS ) = 0;
+
+  // For make_invoke, the methodOop can be NULL if the intrinsic ID
+  // is something other than vmIntrinsics::_none.
+
+  // and in case anyone cares to related the previous actions to the chain:
+  virtual void set_method_handle(oop mh) { }
+
+  void lose(const char* msg, TRAPS) { chain().lose(msg, THREAD); }
+  const char* lose_message()        { return chain().lose_message(); }
+
+  ArgToken walk(TRAPS);
+};
+
+
+// An abstract interpreter for method handle chains.
+// Produces an account of the semantics of a chain, in terms of a static IR.
+// The IR happens to be JVM bytecodes.
+class MethodHandleCompiler : public MethodHandleWalker {
+private:
+  methodHandle _callee;
+  KlassHandle  _rklass;        // Return type for casting.
+  BasicType    _rtype;
+  KlassHandle  _target_klass;
+  Thread*      _thread;
+
+  // Fake constant pool entry.
+  class ConstantValue {
+  private:
+    int       _tag;   // Constant pool tag type.
+    JavaValue _value;
+    Handle    _handle;
+
+  public:
+    // Constructor for oop types.
+    ConstantValue(int tag, Handle con) : _tag(tag), _handle(con) {
+      assert(tag == JVM_CONSTANT_Utf8   ||
+             tag == JVM_CONSTANT_Class  ||
+             tag == JVM_CONSTANT_String ||
+             tag == JVM_CONSTANT_Object, "must be oop type");
+    }
+
+    // Constructor for oop reference types.
+    ConstantValue(int tag, int index) : _tag(tag) {
+      assert(JVM_CONSTANT_Fieldref <= tag && tag <= JVM_CONSTANT_NameAndType, "must be ref type");
+      _value.set_jint(index);
+    }
+    ConstantValue(int tag, int first_index, int second_index) : _tag(tag) {
+      assert(JVM_CONSTANT_Fieldref <= tag && tag <= JVM_CONSTANT_NameAndType, "must be ref type");
+      _value.set_jint(first_index << 16 | second_index);
+    }
+
+    // Constructor for primitive types.
+    ConstantValue(BasicType bt, jvalue con) {
+      _value.set_type(bt);
+      switch (bt) {
+      case T_INT:    _tag = JVM_CONSTANT_Integer; _value.set_jint(   con.i); break;
+      case T_LONG:   _tag = JVM_CONSTANT_Long;    _value.set_jlong(  con.j); break;
+      case T_FLOAT:  _tag = JVM_CONSTANT_Float;   _value.set_jfloat( con.f); break;
+      case T_DOUBLE: _tag = JVM_CONSTANT_Double;  _value.set_jdouble(con.d); break;
+      default: ShouldNotReachHere();
+      }
+    }
+
+    int       tag()          const { return _tag; }
+    symbolOop symbol_oop()   const { return (symbolOop) _handle(); }
+    klassOop  klass_oop()    const { return (klassOop)  _handle(); }
+    oop       object_oop()   const { return _handle(); }
+    int       index()        const { return _value.get_jint(); }
+    int       first_index()  const { return _value.get_jint() >> 16; }
+    int       second_index() const { return _value.get_jint() & 0x0000FFFF; }
+
+    bool      is_primitive() const { return is_java_primitive(_value.get_type()); }
+    jint      get_jint()     const { return _value.get_jint();    }
+    jlong     get_jlong()    const { return _value.get_jlong();   }
+    jfloat    get_jfloat()   const { return _value.get_jfloat();  }
+    jdouble   get_jdouble()  const { return _value.get_jdouble(); }
+  };
+
+  // Fake constant pool.
+  GrowableArray<ConstantValue*> _constants;
+
+  // Accumulated compiler state:
+  GrowableArray<unsigned char> _bytecode;
+
+  int _cur_stack;
+  int _max_stack;
+  int _num_params;
+  int _name_index;
+  int _signature_index;
+
+  void stack_push(BasicType bt) {
+    _cur_stack += type2size[bt];
+    if (_cur_stack > _max_stack) _max_stack = _cur_stack;
+  }
+  void stack_pop(BasicType bt) {
+    _cur_stack -= type2size[bt];
+    assert(_cur_stack >= 0, "sanity");
+  }
+
+  unsigned char* bytecode()        const { return _bytecode.adr_at(0); }
+  int            bytecode_length() const { return _bytecode.length(); }
+
+  // Fake constant pool.
+  int cpool_oop_put(int tag, Handle con) {
+    if (con.is_null())  return 0;
+    ConstantValue* cv = new ConstantValue(tag, con);
+    return _constants.append(cv);
+  }
+
+  int cpool_oop_reference_put(int tag, int first_index, int second_index) {
+    if (first_index == 0 && second_index == 0)  return 0;
+    assert(first_index != 0 && second_index != 0, "no zero indexes");
+    ConstantValue* cv = new ConstantValue(tag, first_index, second_index);
+    return _constants.append(cv);
+  }
+
+  int cpool_primitive_put(BasicType type, jvalue* con);
+
+  int cpool_int_put(jint value) {
+    jvalue con; con.i = value;
+    return cpool_primitive_put(T_INT, &con);
+  }
+  int cpool_long_put(jlong value) {
+    jvalue con; con.j = value;
+    return cpool_primitive_put(T_LONG, &con);
+  }
+  int cpool_float_put(jfloat value) {
+    jvalue con; con.f = value;
+    return cpool_primitive_put(T_FLOAT, &con);
+  }
+  int cpool_double_put(jdouble value) {
+    jvalue con; con.d = value;
+    return cpool_primitive_put(T_DOUBLE, &con);
+  }
+
+  int cpool_object_put(Handle obj) {
+    return cpool_oop_put(JVM_CONSTANT_Object, obj);
+  }
+  int cpool_symbol_put(symbolOop sym) {
+    return cpool_oop_put(JVM_CONSTANT_Utf8, sym);
+  }
+  int cpool_klass_put(klassOop klass) {
+    return cpool_oop_put(JVM_CONSTANT_Class, klass);
+  }
+  int cpool_methodref_put(int class_index, int name_and_type_index) {
+    return cpool_oop_reference_put(JVM_CONSTANT_Methodref, class_index, name_and_type_index);
+  }
+  int cpool_name_and_type_put(int name_index, int signature_index) {
+    return cpool_oop_reference_put(JVM_CONSTANT_NameAndType, name_index, signature_index);
+  }
+
+  void emit_bc(Bytecodes::Code op, int index = 0);
+  void emit_load(BasicType bt, int index);
+  void emit_store(BasicType bt, int index);
+  void emit_load_constant(ArgToken arg);
+
+  virtual ArgToken make_parameter(BasicType type, klassOop tk, int argnum, TRAPS) {
+    return ArgToken(tt_parameter, type, argnum);
+  }
+  virtual ArgToken make_oop_constant(oop con, TRAPS) {
+    Handle h(THREAD, con);
+    return ArgToken(tt_constant, T_OBJECT, h);
+  }
+  virtual ArgToken make_prim_constant(BasicType type, jvalue* con, TRAPS) {
+    return ArgToken(tt_constant, type, *con);
+  }
+
+  virtual ArgToken make_conversion(BasicType type, klassOop tk, Bytecodes::Code op, const ArgToken& src, TRAPS);
+  virtual ArgToken make_fetch(BasicType type, klassOop tk, Bytecodes::Code op, const ArgToken& base, const ArgToken& offset, TRAPS);
+  virtual ArgToken make_invoke(methodOop m, vmIntrinsics::ID iid, Bytecodes::Code op, bool tailcall, int argc, ArgToken* argv, TRAPS);
+
+  // Get a real constant pool.
+  constantPoolHandle get_constant_pool(TRAPS) const;
+
+  // Get a real methodOop.
+  methodHandle get_method_oop(TRAPS) const;
+
+public:
+  MethodHandleCompiler(Handle root, methodHandle call_method, bool for_invokedynamic, TRAPS);
+
+  // Compile the given MH chain into bytecode.
+  methodHandle compile(TRAPS);
+};
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/prims/methodHandles.cpp
--- a/src/share/vm/prims/methodHandles.cpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/prims/methodHandles.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -132,8 +132,9 @@
     }
     return m;
   } else {
+    assert(vmtarget->is_klass(), "must be class or interface");
     decode_flags_result |= MethodHandles::_dmf_does_dispatch;
-    assert(vmtarget->is_klass(), "must be class or interface");
+    decode_flags_result |= MethodHandles::_dmf_has_receiver;
     receiver_limit_result = (klassOop)vmtarget;
     Klass* tk = Klass::cast((klassOop)vmtarget);
     if (tk->is_interface()) {
@@ -142,7 +143,7 @@
       return klassItable::method_for_itable_index((klassOop)vmtarget, vmindex);
     } else {
       if (!tk->oop_is_instance())
-        tk = instanceKlass::cast(SystemDictionary::object_klass());
+        tk = instanceKlass::cast(SystemDictionary::Object_klass());
       return ((instanceKlass*)tk)->method_at_vtable(vmindex);
     }
   }
@@ -179,8 +180,10 @@
         // short-circuits directly to the methodOop.
         // (It might be another argument besides a receiver also.)
         assert(target->is_method(), "must be a simple method");
+        decode_flags_result |= MethodHandles::_dmf_binds_method;
         methodOop m = (methodOop) target;
-        decode_flags_result |= MethodHandles::_dmf_binds_method;
+        if (!m->is_static())
+          decode_flags_result |= MethodHandles::_dmf_has_receiver;
         return m;
       }
     }
@@ -233,8 +236,8 @@
     BasicType recv_bt = char2type(sig->byte_at(1));
     // Note: recv_bt might be T_ILLEGAL if byte_at(2) is ')'
     assert(sig->byte_at(0) == '(', "must be method sig");
-    if (recv_bt == T_OBJECT || recv_bt == T_ARRAY)
-      decode_flags_result |= _dmf_has_receiver;
+//     if (recv_bt == T_OBJECT || recv_bt == T_ARRAY)
+//       decode_flags_result |= _dmf_has_receiver;
   } else {
     // non-static method
     decode_flags_result |= _dmf_has_receiver;
@@ -261,14 +264,14 @@
     return decode_MemberName(x, receiver_limit_result, decode_flags_result);
   } else if (java_dyn_MethodHandle::is_subclass(xk)) {
     return decode_MethodHandle(x, receiver_limit_result, decode_flags_result);
-  } else if (xk == SystemDictionary::reflect_method_klass()) {
+  } else if (xk == SystemDictionary::reflect_Method_klass()) {
     oop clazz  = java_lang_reflect_Method::clazz(x);
     int slot   = java_lang_reflect_Method::slot(x);
     klassOop k = java_lang_Class::as_klassOop(clazz);
     if (k != NULL && Klass::cast(k)->oop_is_instance())
       return decode_methodOop(instanceKlass::cast(k)->method_with_idnum(slot),
                               decode_flags_result);
-  } else if (xk == SystemDictionary::reflect_constructor_klass()) {
+  } else if (xk == SystemDictionary::reflect_Constructor_klass()) {
     oop clazz  = java_lang_reflect_Constructor::clazz(x);
     int slot   = java_lang_reflect_Constructor::slot(x);
     klassOop k = java_lang_Class::as_klassOop(clazz);
@@ -325,7 +328,7 @@
 };
 
 void MethodHandles::init_MemberName(oop mname_oop, oop target_oop) {
-  if (target_oop->klass() == SystemDictionary::reflect_field_klass()) {
+  if (target_oop->klass() == SystemDictionary::reflect_Field_klass()) {
     oop clazz = java_lang_reflect_Field::clazz(target_oop); // fd.field_holder()
     int slot  = java_lang_reflect_Field::slot(target_oop);  // fd.index()
     int mods  = java_lang_reflect_Field::modifiers(target_oop);
@@ -410,7 +413,7 @@
   if (defc_klassOop == NULL)  return;  // a primitive; no resolution possible
   if (!Klass::cast(defc_klassOop)->oop_is_instance()) {
     if (!Klass::cast(defc_klassOop)->oop_is_array())  return;
-    defc_klassOop = SystemDictionary::object_klass();
+    defc_klassOop = SystemDictionary::Object_klass();
   }
   instanceKlassHandle defc(THREAD, defc_klassOop);
   defc_klassOop = NULL;  // safety
@@ -746,7 +749,7 @@
       return NULL;                // unformed MH
     }
     klassOop tklass = target->klass();
-    if (Klass::cast(tklass)->is_subclass_of(SystemDictionary::object_klass())) {
+    if (Klass::cast(tklass)->is_subclass_of(SystemDictionary::Object_klass())) {
       return target;              // target is another MH (or something else?)
     }
   }
@@ -818,26 +821,26 @@
   for (int i = 0; ; i++) {
     const char* test_name = always_null_names[i];
     if (test_name == NULL)  break;
-    if (name->equals(test_name, (int) strlen(test_name)))
+    if (name->equals(test_name))
       return true;
   }
   return false;
 }
 
 bool MethodHandles::class_cast_needed(klassOop src, klassOop dst) {
-  if (src == dst || dst == SystemDictionary::object_klass())
+  if (src == dst || dst == SystemDictionary::Object_klass())
     return false;                               // quickest checks
   Klass* srck = Klass::cast(src);
   Klass* dstk = Klass::cast(dst);
   if (dstk->is_interface()) {
     // interface receivers can safely be viewed as untyped,
     // because interface calls always include a dynamic check
-    //dstk = Klass::cast(SystemDictionary::object_klass());
+    //dstk = Klass::cast(SystemDictionary::Object_klass());
     return false;
   }
   if (srck->is_interface()) {
     // interface arguments must be viewed as untyped
-    //srck = Klass::cast(SystemDictionary::object_klass());
+    //srck = Klass::cast(SystemDictionary::Object_klass());
     return true;
   }
   if (is_always_null_type(src)) {
@@ -850,7 +853,7 @@
 }
 
 static oop object_java_mirror() {
-  return Klass::cast(SystemDictionary::object_klass())->java_mirror();
+  return Klass::cast(SystemDictionary::Object_klass())->java_mirror();
 }
 
 bool MethodHandles::same_basic_type_for_arguments(BasicType src,
@@ -1446,7 +1449,7 @@
       break;
     }
     // check subrange of Integer.value, if necessary
-    if (argument == NULL || argument->klass() != SystemDictionary::int_klass()) {
+    if (argument == NULL || argument->klass() != SystemDictionary::Integer_klass()) {
       err = "bound integer argument must be of type java.lang.Integer";
       break;
     }
@@ -1469,7 +1472,7 @@
       BasicType argbox = java_lang_boxing_object::basic_type(argument);
       if (argbox != ptype) {
         err = check_argument_type_change(T_OBJECT, (argument == NULL
-                                                    ? SystemDictionary::object_klass()
+                                                    ? SystemDictionary::Object_klass()
                                                     : argument->klass()),
                                          ptype, ptype_klass(), argnum);
         assert(err != NULL, "this must be an error");
@@ -1487,8 +1490,9 @@
       int target_pushes = decode_MethodHandle_stack_pushes(target());
       assert(this_pushes == slots_pushed + target_pushes, "BMH stack motion must be correct");
       // do not blow the stack; use a Java-based adapter if this limit is exceeded
-      if (slots_pushed + target_pushes > MethodHandlePushLimit)
-        err = "too many bound parameters";
+      // FIXME
+      // if (slots_pushed + target_pushes > MethodHandlePushLimit)
+      //   err = "too many bound parameters";
     }
   }
 
@@ -1518,6 +1522,11 @@
     verify_vmslots(mh, CHECK);
   }
 
+  // Get bound type and required slots.
+  oop ptype_oop = java_dyn_MethodType::ptype(java_dyn_MethodHandle::type(target()), argnum);
+  BasicType ptype = java_lang_Class::as_BasicType(ptype_oop);
+  int slots_pushed = type2size[ptype];
+
   // If (a) the target is a direct non-dispatched method handle,
   // or (b) the target is a dispatched direct method handle and we
   // are binding the receiver, cut out the middle-man.
@@ -1529,7 +1538,7 @@
     int decode_flags = 0; klassOop receiver_limit_oop = NULL;
     methodHandle m(THREAD, decode_method(target(), receiver_limit_oop, decode_flags));
     if (m.is_null()) { THROW_MSG(vmSymbols::java_lang_InternalError(), "DMH failed to decode"); }
-    DEBUG_ONLY(int m_vmslots = m->size_of_parameters() - 1); // pos. of 1st arg.
+    DEBUG_ONLY(int m_vmslots = m->size_of_parameters() - slots_pushed); // pos. of 1st arg.
     assert(sun_dyn_BoundMethodHandle::vmslots(mh()) == m_vmslots, "type w/ m sig");
     if (argnum == 0 && (decode_flags & _dmf_has_receiver) != 0) {
       KlassHandle receiver_limit(THREAD, receiver_limit_oop);
@@ -1554,10 +1563,6 @@
   }
 
   // Next question:  Is this a ref, int, or long bound value?
-  oop ptype_oop = java_dyn_MethodType::ptype(java_dyn_MethodHandle::type(target()), argnum);
-  BasicType ptype = java_lang_Class::as_BasicType(ptype_oop);
-  int slots_pushed = type2size[ptype];
-
   MethodHandleEntry* me = NULL;
   if (ptype == T_OBJECT) {
     if (direct_to_method)  me = MethodHandles::entry(_bound_ref_direct_mh);
@@ -2170,7 +2175,7 @@
       symbolOop name = vmSymbols::toString_name(), sig = vmSymbols::void_string_signature();
       JavaCallArguments args(Handle(THREAD, JNIHandles::resolve_non_null(erased_jh)));
       JavaValue result(T_OBJECT);
-      JavaCalls::call_virtual(&result, SystemDictionary::object_klass(), name, sig,
+      JavaCalls::call_virtual(&result, SystemDictionary::Object_klass(), name, sig,
                               &args, CHECK);
       Handle str(THREAD, (oop)result.get_jobject());
       java_lang_String::print(str, tty);
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/prims/nativeLookup.cpp
--- a/src/share/vm/prims/nativeLookup.cpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/prims/nativeLookup.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -137,7 +137,7 @@
   }
 
   // Otherwise call static method findNative in ClassLoader
-  KlassHandle   klass (THREAD, SystemDictionary::classloader_klass());
+  KlassHandle   klass (THREAD, SystemDictionary::ClassLoader_klass());
   Handle name_arg = java_lang_String::create_from_str(jni_name, CHECK_NULL);
 
   JavaValue result(T_LONG);
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/runtime/arguments.cpp
--- a/src/share/vm/runtime/arguments.cpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/runtime/arguments.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -2699,6 +2699,15 @@
     }
     ScavengeRootsInCode = 1;
   }
+#ifdef COMPILER2
+  if (EnableInvokeDynamic && DoEscapeAnalysis) {
+    // TODO: We need to find rules for invokedynamic and EA.  For now,
+    // simply disable EA by default.
+    if (FLAG_IS_DEFAULT(DoEscapeAnalysis)) {
+      DoEscapeAnalysis = false;
+    }
+  }
+#endif
 
   if (PrintGCDetails) {
     // Turn on -verbose:gc options as well
@@ -2722,6 +2731,15 @@
   // Set flags based on ergonomics.
   set_ergonomics_flags();
 
+#ifdef _LP64
+  // XXX JSR 292 currently does not support compressed oops.
+  if (EnableMethodHandles && UseCompressedOops) {
+    if (FLAG_IS_DEFAULT(UseCompressedOops) || FLAG_IS_ERGO(UseCompressedOops)) {
+      UseCompressedOops = false;
+    }
+  }
+#endif // _LP64
+
   // Check the GC selections again.
   if (!check_gc_consistency()) {
     return JNI_EINVAL;
@@ -2756,9 +2774,16 @@
   set_aggressive_opts_flags();
 
 #ifdef CC_INTERP
-  // Biased locking is not implemented with c++ interpreter
+  // Clear flags not supported by the C++ interpreter
+  FLAG_SET_DEFAULT(ProfileInterpreter, false);
   FLAG_SET_DEFAULT(UseBiasedLocking, false);
-#endif /* CC_INTERP */
+  LP64_ONLY(FLAG_SET_DEFAULT(UseCompressedOops, false));
+#endif // CC_INTERP
+
+#ifdef ZERO
+  // Clear flags not supported by Zero
+  FLAG_SET_DEFAULT(TaggedStackInterpreter, false);
+#endif // ZERO
 
 #ifdef COMPILER2
   if (!UseBiasedLocking || EmitSync != 0) {
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/runtime/frame.cpp
--- a/src/share/vm/runtime/frame.cpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/runtime/frame.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright 1997-2008 Sun Microsystems, Inc.  All Rights Reserved.
+ * Copyright 1997-2009 Sun Microsystems, Inc.  All Rights Reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -769,9 +769,9 @@
 
 class InterpretedArgumentOopFinder: public SignatureInfo {
  private:
-  OopClosure* _f;      // Closure to invoke
-  int    _offset;      // TOS-relative offset, decremented with each argument
-  bool   _is_static;   // true if the callee is a static method
+  OopClosure* _f;        // Closure to invoke
+  int    _offset;        // TOS-relative offset, decremented with each argument
+  bool   _has_receiver;  // true if the callee has a receiver
   frame* _fr;
 
   void set(int size, BasicType type) {
@@ -786,9 +786,9 @@
   }
 
  public:
-  InterpretedArgumentOopFinder(symbolHandle signature, bool is_static, frame* fr, OopClosure* f) : SignatureInfo(signature) {
+  InterpretedArgumentOopFinder(symbolHandle signature, bool has_receiver, frame* fr, OopClosure* f) : SignatureInfo(signature), _has_receiver(has_receiver) {
     // compute size of arguments
-    int args_size = ArgumentSizeComputer(signature).size() + (is_static ? 0 : 1);
+    int args_size = ArgumentSizeComputer(signature).size() + (has_receiver ? 1 : 0);
     assert(!fr->is_interpreted_frame() ||
            args_size <= fr->interpreter_frame_expression_stack_size(),
             "args cannot be on stack anymore");
@@ -796,11 +796,10 @@
     _f         = f;
     _fr        = fr;
     _offset    = args_size;
-    _is_static = is_static;
   }
 
   void oops_do() {
-    if (!_is_static) {
+    if (_has_receiver) {
       --_offset;
       oop_offset_do();
     }
@@ -912,7 +911,7 @@
   int max_locals = m->is_native() ? m->size_of_parameters() : m->max_locals();
 
   symbolHandle signature;
-  bool is_static = false;
+  bool has_receiver = false;
 
   // Process a callee's arguments if we are at a call site
   // (i.e., if we are at an invoke bytecode)
@@ -922,7 +921,7 @@
     Bytecode_invoke *call = Bytecode_invoke_at_check(m, bci);
     if (call != NULL) {
       signature = symbolHandle(thread, call->signature());
-      is_static = call->is_invokestatic();
+      has_receiver = call->has_receiver();
       if (map->include_argument_oops() &&
           interpreter_frame_expression_stack_size() > 0) {
         ResourceMark rm(thread);  // is this right ???
@@ -936,7 +935,7 @@
         //       code in the interpreter calls a blocking runtime
         //       routine which can cause this code to be executed).
         //       (was bug gri 7/27/98)
-        oops_interpreted_arguments_do(signature, is_static, f);
+        oops_interpreted_arguments_do(signature, has_receiver, f);
       }
     }
   }
@@ -950,7 +949,7 @@
     mask = &oopmap_mask;
 #endif // ASSERT
     oops_interpreted_locals_do(f, max_locals, mask);
-    oops_interpreted_expressions_do(f, signature, is_static,
+    oops_interpreted_expressions_do(f, signature, has_receiver,
                                     m->max_stack(),
                                     max_locals, mask);
   } else {
@@ -992,7 +991,7 @@
 
 void frame::oops_interpreted_expressions_do(OopClosure *f,
                                       symbolHandle signature,
-                                      bool is_static,
+                                      bool has_receiver,
                                       int max_stack,
                                       int max_locals,
                                       InterpreterOopMap *mask) {
@@ -1005,7 +1004,7 @@
   // arguments in callee's locals.
   int args_size = 0;
   if (!signature.is_null()) {
-    args_size = ArgumentSizeComputer(signature).size() + (is_static ? 0 : 1);
+    args_size = ArgumentSizeComputer(signature).size() + (has_receiver ? 1 : 0);
   }
 
   intptr_t *tos_addr = interpreter_frame_tos_at(args_size);
@@ -1038,8 +1037,8 @@
   }
 }
 
-void frame::oops_interpreted_arguments_do(symbolHandle signature, bool is_static, OopClosure* f) {
-  InterpretedArgumentOopFinder finder(signature, is_static, this, f);
+void frame::oops_interpreted_arguments_do(symbolHandle signature, bool has_receiver, OopClosure* f) {
+  InterpretedArgumentOopFinder finder(signature, has_receiver, this, f);
   finder.oops_do();
 }
 
@@ -1066,8 +1065,8 @@
 class CompiledArgumentOopFinder: public SignatureInfo {
  protected:
   OopClosure*     _f;
-  int             _offset;      // the current offset, incremented with each argument
-  bool            _is_static;   // true if the callee is a static method
+  int             _offset;        // the current offset, incremented with each argument
+  bool            _has_receiver;  // true if the callee has a receiver
   frame           _fr;
   RegisterMap*    _reg_map;
   int             _arg_size;
@@ -1087,24 +1086,24 @@
   }
 
  public:
-  CompiledArgumentOopFinder(symbolHandle signature, bool is_static, OopClosure* f, frame fr,  const RegisterMap* reg_map)
+  CompiledArgumentOopFinder(symbolHandle signature, bool has_receiver, OopClosure* f, frame fr,  const RegisterMap* reg_map)
     : SignatureInfo(signature) {
 
     // initialize CompiledArgumentOopFinder
     _f         = f;
     _offset    = 0;
-    _is_static = is_static;
+    _has_receiver = has_receiver;
     _fr        = fr;
     _reg_map   = (RegisterMap*)reg_map;
-    _arg_size  = ArgumentSizeComputer(signature).size() + (is_static ? 0 : 1);
+    _arg_size  = ArgumentSizeComputer(signature).size() + (has_receiver ? 1 : 0);
 
     int arg_size;
-    _regs = SharedRuntime::find_callee_arguments(signature(), is_static, &arg_size);
+    _regs = SharedRuntime::find_callee_arguments(signature(), has_receiver, &arg_size);
     assert(arg_size == _arg_size, "wrong arg size");
   }
 
   void oops_do() {
-    if (!_is_static) {
+    if (_has_receiver) {
       handle_oop_offset();
       _offset++;
     }
@@ -1112,9 +1111,9 @@
   }
 };
 
-void frame::oops_compiled_arguments_do(symbolHandle signature, bool is_static, const RegisterMap* reg_map, OopClosure* f) {
+void frame::oops_compiled_arguments_do(symbolHandle signature, bool has_receiver, const RegisterMap* reg_map, OopClosure* f) {
   ResourceMark rm;
-  CompiledArgumentOopFinder finder(signature, is_static, f, *this, reg_map);
+  CompiledArgumentOopFinder finder(signature, has_receiver, f, *this, reg_map);
   finder.oops_do();
 }
 
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/runtime/frame.hpp
--- a/src/share/vm/runtime/frame.hpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/runtime/frame.hpp	Wed Jan 06 22:21:39 2010 -0800
@@ -371,7 +371,7 @@
   oop* oopmapreg_to_location(VMReg reg, const RegisterMap* regmap) const;
 
   // Oops-do's
-  void oops_compiled_arguments_do(symbolHandle signature, bool is_static, const RegisterMap* reg_map, OopClosure* f);
+  void oops_compiled_arguments_do(symbolHandle signature, bool has_receiver, const RegisterMap* reg_map, OopClosure* f);
   void oops_interpreted_do(OopClosure* f, const RegisterMap* map, bool query_oop_map_cache = true);
 
  private:
@@ -379,9 +379,9 @@
                                  int max_locals,
                                  InterpreterOopMap *mask);
   void oops_interpreted_expressions_do(OopClosure *f, symbolHandle signature,
-                                 bool is_static, int max_stack, int max_locals,
+                                 bool has_receiver, int max_stack, int max_locals,
                                  InterpreterOopMap *mask);
-  void oops_interpreted_arguments_do(symbolHandle signature, bool is_static, OopClosure* f);
+  void oops_interpreted_arguments_do(symbolHandle signature, bool has_receiver, OopClosure* f);
 
   // Iteration of oops
   void oops_do_internal(OopClosure* f, CodeBlobClosure* cf, RegisterMap* map, bool use_interpreter_oop_map_cache);
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/runtime/jniHandles.cpp
--- a/src/share/vm/runtime/jniHandles.cpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/runtime/jniHandles.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -144,7 +144,7 @@
   EXCEPTION_MARK;
   // We will never reach the CATCH below since Exceptions::_throw will cause
   // the VM to exit if an exception is thrown during initialization
-  klassOop k      = SystemDictionary::object_klass();
+  klassOop k      = SystemDictionary::Object_klass();
   _deleted_handle = instanceKlass::cast(k)->allocate_permanent_instance(CATCH);
 }
 
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/runtime/os.cpp
--- a/src/share/vm/runtime/os.cpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/runtime/os.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -280,7 +280,7 @@
                            string,
                            CHECK);
 
-    KlassHandle group(THREAD, SystemDictionary::threadGroup_klass());
+    KlassHandle group(THREAD, SystemDictionary::ThreadGroup_klass());
     JavaCalls::call_special(&result,
                             thread_group,
                             group,
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/runtime/reflection.cpp
--- a/src/share/vm/runtime/reflection.cpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/runtime/reflection.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -449,7 +449,7 @@
   // sun/reflect/MagicAccessorImpl subclasses to succeed trivially.
   if (   JDK_Version::is_gte_jdk14x_version()
       && UseNewReflection
-      && Klass::cast(current_class)->is_subclass_of(SystemDictionary::reflect_magic_klass())) {
+      && Klass::cast(current_class)->is_subclass_of(SystemDictionary::reflect_MagicAccessorImpl_klass())) {
     return true;
   }
 
@@ -541,7 +541,7 @@
   // sun/reflect/MagicAccessorImpl subclasses to succeed trivially.
   if (   JDK_Version::is_gte_jdk14x_version()
       && UseNewReflection
-      && Klass::cast(current_class)->is_subclass_of(SystemDictionary::reflect_magic_klass())) {
+      && Klass::cast(current_class)->is_subclass_of(SystemDictionary::reflect_MagicAccessorImpl_klass())) {
     return true;
   }
 
@@ -631,7 +631,7 @@
 
 objArrayHandle Reflection::get_parameter_types(methodHandle method, int parameter_count, oop* return_type, TRAPS) {
   // Allocate array holding parameter types (java.lang.Class instances)
-  objArrayOop m = oopFactory::new_objArray(SystemDictionary::class_klass(), parameter_count, CHECK_(objArrayHandle()));
+  objArrayOop m = oopFactory::new_objArray(SystemDictionary::Class_klass(), parameter_count, CHECK_(objArrayHandle()));
   objArrayHandle mirrors (THREAD, m);
   int index = 0;
   // Collect parameter types
@@ -1308,7 +1308,7 @@
   if (Klass::cast(klass)->oop_is_array() && which == MEMBER_DECLARED)  return NULL;
 
   if (Klass::cast(java_lang_Class::as_klassOop(mirror))->oop_is_array()) {
-    klass = SystemDictionary::object_klass();
+    klass = SystemDictionary::Object_klass();
   }
   instanceKlassHandle h_k(THREAD, klass);
 
@@ -1375,13 +1375,13 @@
   // Exclude primitive types
   if (java_lang_Class::is_primitive(mirror) ||
      (Klass::cast(java_lang_Class::as_klassOop(mirror))->oop_is_array() && (which == MEMBER_DECLARED))) {
-    klassOop klass = SystemDictionary::reflect_method_klass();
+    klassOop klass = SystemDictionary::reflect_Method_klass();
     return oopFactory::new_objArray(klass, 0, CHECK_NULL);  // Return empty array
   }
 
   klassOop klass = java_lang_Class::as_klassOop(mirror);
   if (Klass::cast(java_lang_Class::as_klassOop(mirror))->oop_is_array()) {
-    klass = SystemDictionary::object_klass();
+    klass = SystemDictionary::Object_klass();
   }
   instanceKlassHandle h_k(THREAD, klass);
 
@@ -1411,7 +1411,7 @@
         }
 
         // Allocate result
-        klassOop klass = SystemDictionary::reflect_method_klass();
+        klassOop klass = SystemDictionary::reflect_Method_klass();
         objArrayOop r = oopFactory::new_objArray(klass, count, CHECK_NULL);
         objArrayHandle h_result (THREAD, r);
 
@@ -1462,7 +1462,7 @@
           }
         }
         // Allocate result
-        klassOop klass = SystemDictionary::reflect_method_klass();
+        klassOop klass = SystemDictionary::reflect_Method_klass();
         objArrayOop r = oopFactory::new_objArray(klass, count, CHECK_NULL);
         objArrayHandle h_result (THREAD, r);
 
@@ -1523,7 +1523,7 @@
   bool prim  = java_lang_Class::is_primitive(mirror);
   Klass* k = prim ? NULL : Klass::cast(java_lang_Class::as_klassOop(mirror));
   if (prim || k->is_interface() || k->oop_is_array()) {
-    return oopFactory::new_objArray(SystemDictionary::reflect_constructor_klass(), 0, CHECK_NULL);  // Return empty array
+    return oopFactory::new_objArray(SystemDictionary::reflect_Constructor_klass(), 0, CHECK_NULL);  // Return empty array
   }
 
   // Must be instanceKlass at this point
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/runtime/reflectionUtils.cpp
--- a/src/share/vm/runtime/reflectionUtils.cpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/runtime/reflectionUtils.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -63,15 +63,15 @@
 void FilteredFieldsMap::initialize() {
   int offset;
   offset = java_lang_Throwable::get_backtrace_offset();
-  _filtered_fields->append(new FilteredField(SystemDictionary::throwable_klass(), offset));
+  _filtered_fields->append(new FilteredField(SystemDictionary::Throwable_klass(), offset));
   // The latest version of vm may be used with old jdk.
   if (JDK_Version::is_gte_jdk16x_version()) {
     // The following class fields do not exist in
     // previous version of jdk.
     offset = sun_reflect_ConstantPool::cp_oop_offset();
-    _filtered_fields->append(new FilteredField(SystemDictionary::reflect_constant_pool_klass(), offset));
+    _filtered_fields->append(new FilteredField(SystemDictionary::reflect_ConstantPool_klass(), offset));
     offset = sun_reflect_UnsafeStaticFieldAccessorImpl::base_offset();
-    _filtered_fields->append(new FilteredField(SystemDictionary::reflect_unsafe_static_field_accessor_impl_klass(), offset));
+    _filtered_fields->append(new FilteredField(SystemDictionary::reflect_UnsafeStaticFieldAccessorImpl_klass(), offset));
   }
 }
 
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/runtime/sharedRuntime.cpp
--- a/src/share/vm/runtime/sharedRuntime.cpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/runtime/sharedRuntime.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -802,7 +802,7 @@
 
 #ifdef ASSERT
   // Check that the receiver klass is of the right subtype and that it is initialized for virtual calls
-  if (bc != Bytecodes::_invokestatic) {
+  if (bc != Bytecodes::_invokestatic && bc != Bytecodes::_invokedynamic) {
     assert(receiver.not_null(), "should have thrown exception");
     KlassHandle receiver_klass (THREAD, receiver->klass());
     klassOop rk = constants->klass_ref_at(bytecode_index, CHECK_(nullHandle));
@@ -860,7 +860,7 @@
   if (JvmtiExport::can_hotswap_or_post_breakpoint()) {
     int retry_count = 0;
     while (!HAS_PENDING_EXCEPTION && callee_method->is_old() &&
-           callee_method->method_holder() != SystemDictionary::object_klass()) {
+           callee_method->method_holder() != SystemDictionary::Object_klass()) {
       // If has a pending exception then there is no need to re-try to
       // resolve this method.
       // If the method has been redefined, we need to try again.
@@ -1027,7 +1027,16 @@
   frame stub_frame = thread->last_frame();
   assert(stub_frame.is_runtime_frame(), "sanity check");
   frame caller_frame = stub_frame.sender(&reg_map);
-  if (caller_frame.is_interpreted_frame() || caller_frame.is_entry_frame() ) {
+
+  // MethodHandle invokes don't have a CompiledIC and should always
+  // simply redispatch to the callee_target.
+  address   sender_pc = caller_frame.pc();
+  CodeBlob* sender_cb = caller_frame.cb();
+  nmethod*  sender_nm = sender_cb->as_nmethod_or_null();
+
+  if (caller_frame.is_interpreted_frame() ||
+      caller_frame.is_entry_frame() ||
+      (sender_nm != NULL && sender_nm->is_method_handle_return(sender_pc))) {
     methodOop callee = thread->callee_target();
     guarantee(callee != NULL && callee->is_method(), "bad handshake");
     thread->set_vm_result(callee);
@@ -1529,7 +1538,7 @@
 oop SharedRuntime::wrong_method_type_is_for_single_argument(JavaThread* thr,
                                                             oopDesc* required) {
   if (required == NULL)  return NULL;
-  if (required->klass() == SystemDictionary::class_klass())
+  if (required->klass() == SystemDictionary::Class_klass())
     return required;
   if (required->is_klass())
     return Klass::cast(klassOop(required))->java_mirror();
@@ -2136,7 +2145,7 @@
   return regs.first();
 }
 
-VMRegPair *SharedRuntime::find_callee_arguments(symbolOop sig, bool is_static, int* arg_size) {
+VMRegPair *SharedRuntime::find_callee_arguments(symbolOop sig, bool has_receiver, int* arg_size) {
   // This method is returning a data structure allocating as a
   // ResourceObject, so do not put any ResourceMarks in here.
   char *s = sig->as_C_string();
@@ -2148,7 +2157,7 @@
   BasicType *sig_bt = NEW_RESOURCE_ARRAY( BasicType, 256 );
   VMRegPair *regs = NEW_RESOURCE_ARRAY( VMRegPair, 256 );
   int cnt = 0;
-  if (!is_static) {
+  if (has_receiver) {
     sig_bt[cnt++] = T_OBJECT; // Receiver is argument 0; not in signature
   }
 
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/runtime/sharedRuntime.hpp
--- a/src/share/vm/runtime/sharedRuntime.hpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/runtime/sharedRuntime.hpp	Wed Jan 06 22:21:39 2010 -0800
@@ -357,7 +357,7 @@
 
   // Convert a sig into a calling convention register layout
   // and find interesting things about it.
-  static VMRegPair* find_callee_arguments(symbolOop sig, bool is_static, int *arg_size);
+  static VMRegPair* find_callee_arguments(symbolOop sig, bool has_receiver, int *arg_size);
   static VMReg     name_for_receiver();
 
   // "Top of Stack" slots that may be unused by the calling convention but must
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/runtime/statSampler.cpp
--- a/src/share/vm/runtime/statSampler.cpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/runtime/statSampler.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -177,7 +177,7 @@
 
   // public static String getProperty(String key, String def);
   JavaCalls::call_static(&result,
-                         KlassHandle(THREAD, SystemDictionary::system_klass()),
+                         KlassHandle(THREAD, SystemDictionary::System_klass()),
                          vmSymbolHandles::getProperty_name(),
                          vmSymbolHandles::string_string_signature(),
                          key_str,
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/runtime/thread.cpp
--- a/src/share/vm/runtime/thread.cpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/runtime/thread.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -973,7 +973,7 @@
     return;
   }
 
-  KlassHandle group(this, SystemDictionary::threadGroup_klass());
+  KlassHandle group(this, SystemDictionary::ThreadGroup_klass());
   Handle threadObj(this, this->threadObj());
 
   JavaCalls::call_special(&result,
@@ -1468,7 +1468,7 @@
         // so call ThreadGroup.uncaughtException()
         KlassHandle recvrKlass(THREAD, threadObj->klass());
         CallInfo callinfo;
-        KlassHandle thread_klass(THREAD, SystemDictionary::thread_klass());
+        KlassHandle thread_klass(THREAD, SystemDictionary::Thread_klass());
         LinkResolver::resolve_virtual_call(callinfo, threadObj, recvrKlass, thread_klass,
                                            vmSymbolHandles::dispatchUncaughtException_name(),
                                            vmSymbolHandles::throwable_void_signature(),
@@ -1484,7 +1484,7 @@
                                   uncaught_exception,
                                   THREAD);
         } else {
-          KlassHandle thread_group(THREAD, SystemDictionary::threadGroup_klass());
+          KlassHandle thread_group(THREAD, SystemDictionary::ThreadGroup_klass());
           JavaValue result(T_VOID);
           JavaCalls::call_virtual(&result,
                                   group, thread_group,
@@ -1505,7 +1505,7 @@
       while (java_lang_Thread::threadGroup(threadObj()) != NULL && (count-- > 0)) {
         EXCEPTION_MARK;
         JavaValue result(T_VOID);
-        KlassHandle thread_klass(THREAD, SystemDictionary::thread_klass());
+        KlassHandle thread_klass(THREAD, SystemDictionary::Thread_klass());
         JavaCalls::call_virtual(&result,
                               threadObj, thread_klass,
                               vmSymbolHandles::exit_method_name(),
@@ -1743,7 +1743,7 @@
   // Check for pending async. exception
   if (_pending_async_exception != NULL) {
     // Only overwrite an already pending exception, if it is not a threadDeath.
-    if (!has_pending_exception() || !pending_exception()->is_a(SystemDictionary::threaddeath_klass())) {
+    if (!has_pending_exception() || !pending_exception()->is_a(SystemDictionary::ThreadDeath_klass())) {
 
       // We cannot call Exceptions::_throw(...) here because we cannot block
       set_pending_exception(_pending_async_exception, __FILE__, __LINE__);
@@ -1852,14 +1852,14 @@
   if (is_Compiler_thread()) return;
 
   // This is a change from JDK 1.1, but JDK 1.2 will also do it:
-  if (java_throwable->is_a(SystemDictionary::threaddeath_klass())) {
+  if (java_throwable->is_a(SystemDictionary::ThreadDeath_klass())) {
     java_lang_Thread::set_stillborn(threadObj());
   }
 
   {
     // Actually throw the Throwable against the target Thread - however
     // only if there is no thread death exception installed already.
-    if (_pending_async_exception == NULL || !_pending_async_exception->is_a(SystemDictionary::threaddeath_klass())) {
+    if (_pending_async_exception == NULL || !_pending_async_exception->is_a(SystemDictionary::ThreadDeath_klass())) {
       // If the topmost frame is a runtime stub, then we are calling into
       // OptoRuntime from compiled code. Some runtime stubs (new, monitor_exit..)
       // must deoptimize the caller before continuing, as the compiled  exception handler table
@@ -3095,6 +3095,12 @@
       warning("java.lang.ArithmeticException has not been initialized");
       warning("java.lang.StackOverflowError has not been initialized");
     }
+
+    if (EnableInvokeDynamic) {
+      // JSR 292: An intialized java.dyn.InvokeDynamic is required in
+      // the compiler.
+      initialize_class(vmSymbolHandles::java_dyn_InvokeDynamic(), CHECK_0);
+    }
   }
 
   // See        : bugid 4211085.
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/runtime/thread.hpp
--- a/src/share/vm/runtime/thread.hpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/runtime/thread.hpp	Wed Jan 06 22:21:39 2010 -0800
@@ -772,6 +772,7 @@
   volatile address _exception_pc;                // PC where exception happened
   volatile address _exception_handler_pc;        // PC for handler of exception
   volatile int     _exception_stack_size;        // Size of frame where exception happened
+  volatile int     _is_method_handle_exception;  // True if the current exception PC is at a MethodHandle call.
 
   // support for compilation
   bool    _is_compiling;                         // is true if a compilation is active inthis thread (one compilation per thread possible)
@@ -1107,11 +1108,13 @@
   int      exception_stack_size() const          { return _exception_stack_size; }
   address  exception_pc() const                  { return _exception_pc; }
   address  exception_handler_pc() const          { return _exception_handler_pc; }
+  int      is_method_handle_exception() const    { return _is_method_handle_exception; }
 
   void set_exception_oop(oop o)                  { _exception_oop = o; }
   void set_exception_pc(address a)               { _exception_pc = a; }
   void set_exception_handler_pc(address a)       { _exception_handler_pc = a; }
   void set_exception_stack_size(int size)        { _exception_stack_size = size; }
+  void set_is_method_handle_exception(int value) { _is_method_handle_exception = value; }
 
   // Stack overflow support
   inline size_t stack_available(address cur_sp);
@@ -1185,6 +1188,7 @@
   static ByteSize exception_pc_offset()          { return byte_offset_of(JavaThread, _exception_pc        ); }
   static ByteSize exception_handler_pc_offset()  { return byte_offset_of(JavaThread, _exception_handler_pc); }
   static ByteSize exception_stack_size_offset()  { return byte_offset_of(JavaThread, _exception_stack_size); }
+  static ByteSize is_method_handle_exception_offset() { return byte_offset_of(JavaThread, _is_method_handle_exception); }
   static ByteSize stack_guard_state_offset()     { return byte_offset_of(JavaThread, _stack_guard_state   ); }
   static ByteSize suspend_flags_offset()         { return byte_offset_of(JavaThread, _suspend_flags       ); }
 
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/runtime/vframe.cpp
--- a/src/share/vm/runtime/vframe.cpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/runtime/vframe.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -124,7 +124,7 @@
 static void print_locked_object_class_name(outputStream* st, Handle obj, const char* lock_state) {
   if (obj.not_null()) {
     st->print("\t- %s <" INTPTR_FORMAT "> ", lock_state, (address)obj());
-    if (obj->klass() == SystemDictionary::class_klass()) {
+    if (obj->klass() == SystemDictionary::Class_klass()) {
       klassOop target_klass = java_lang_Class::as_klassOop(obj());
       st->print_cr("(a java.lang.Class for %s)", instanceKlass::cast(target_klass)->external_name());
     } else {
@@ -430,7 +430,7 @@
       // This is Method.invoke() -- skip it
     } else if (use_new_reflection &&
               Klass::cast(method()->method_holder())
-                 ->is_subclass_of(SystemDictionary::reflect_method_accessor_klass())) {
+                 ->is_subclass_of(SystemDictionary::reflect_MethodAccessorImpl_klass())) {
       // This is an auxilary frame -- skip it
     } else {
       // This is non-excluded frame, we need to count it against the depth
@@ -490,8 +490,8 @@
 void vframeStreamCommon::skip_reflection_related_frames() {
   while (!at_end() &&
          (JDK_Version::is_gte_jdk14x_version() && UseNewReflection &&
-          (Klass::cast(method()->method_holder())->is_subclass_of(SystemDictionary::reflect_method_accessor_klass()) ||
-           Klass::cast(method()->method_holder())->is_subclass_of(SystemDictionary::reflect_constructor_accessor_klass())))) {
+          (Klass::cast(method()->method_holder())->is_subclass_of(SystemDictionary::reflect_MethodAccessorImpl_klass()) ||
+           Klass::cast(method()->method_holder())->is_subclass_of(SystemDictionary::reflect_ConstructorAccessorImpl_klass())))) {
     next();
   }
 }
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/runtime/vmStructs.cpp
--- a/src/share/vm/runtime/vmStructs.cpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/runtime/vmStructs.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -455,40 +455,38 @@
       static_field(SystemDictionary,            _shared_dictionary,                            Dictionary*)                          \
       static_field(SystemDictionary,            _system_loader_lock_obj,                       oop)                                  \
       static_field(SystemDictionary,            _loader_constraints,                           LoaderConstraintTable*)               \
-      static_field(SystemDictionary,            WK_KLASS(object_klass),                        klassOop)                             \
-      static_field(SystemDictionary,            WK_KLASS(string_klass),                        klassOop)                             \
-      static_field(SystemDictionary,            WK_KLASS(class_klass),                         klassOop)                             \
-      static_field(SystemDictionary,            WK_KLASS(cloneable_klass),                     klassOop)                             \
-      static_field(SystemDictionary,            WK_KLASS(classloader_klass),                   klassOop)                             \
-      static_field(SystemDictionary,            WK_KLASS(serializable_klass),                  klassOop)                             \
-      static_field(SystemDictionary,            WK_KLASS(system_klass),                        klassOop)                             \
-      static_field(SystemDictionary,            WK_KLASS(throwable_klass),                     klassOop)                             \
-      static_field(SystemDictionary,            WK_KLASS(threaddeath_klass),                   klassOop)                             \
-      static_field(SystemDictionary,            WK_KLASS(error_klass),                         klassOop)                             \
-      static_field(SystemDictionary,            WK_KLASS(exception_klass),                     klassOop)                             \
-      static_field(SystemDictionary,            WK_KLASS(runtime_exception_klass),             klassOop)                             \
-      static_field(SystemDictionary,            WK_KLASS(classNotFoundException_klass),        klassOop)                             \
-      static_field(SystemDictionary,            WK_KLASS(noClassDefFoundError_klass),          klassOop)                             \
-      static_field(SystemDictionary,            WK_KLASS(linkageError_klass),                  klassOop)                             \
+      static_field(SystemDictionary,            WK_KLASS(Object_klass),                        klassOop)                             \
+      static_field(SystemDictionary,            WK_KLASS(String_klass),                        klassOop)                             \
+      static_field(SystemDictionary,            WK_KLASS(Class_klass),                         klassOop)                             \
+      static_field(SystemDictionary,            WK_KLASS(Cloneable_klass),                     klassOop)                             \
+      static_field(SystemDictionary,            WK_KLASS(ClassLoader_klass),                   klassOop)                             \
+      static_field(SystemDictionary,            WK_KLASS(Serializable_klass),                  klassOop)                             \
+      static_field(SystemDictionary,            WK_KLASS(System_klass),                        klassOop)                             \
+      static_field(SystemDictionary,            WK_KLASS(Throwable_klass),                     klassOop)                             \
+      static_field(SystemDictionary,            WK_KLASS(ThreadDeath_klass),                   klassOop)                             \
+      static_field(SystemDictionary,            WK_KLASS(Error_klass),                         klassOop)                             \
+      static_field(SystemDictionary,            WK_KLASS(Exception_klass),                     klassOop)                             \
+      static_field(SystemDictionary,            WK_KLASS(RuntimeException_klass),              klassOop)                             \
+      static_field(SystemDictionary,            WK_KLASS(ClassNotFoundException_klass),        klassOop)                             \
+      static_field(SystemDictionary,            WK_KLASS(NoClassDefFoundError_klass),          klassOop)                             \
+      static_field(SystemDictionary,            WK_KLASS(LinkageError_klass),                  klassOop)                             \
       static_field(SystemDictionary,            WK_KLASS(ClassCastException_klass),            klassOop)                             \
       static_field(SystemDictionary,            WK_KLASS(ArrayStoreException_klass),           klassOop)                             \
-      static_field(SystemDictionary,            WK_KLASS(virtualMachineError_klass),           klassOop)                             \
+      static_field(SystemDictionary,            WK_KLASS(VirtualMachineError_klass),           klassOop)                             \
       static_field(SystemDictionary,            WK_KLASS(OutOfMemoryError_klass),              klassOop)                             \
       static_field(SystemDictionary,            WK_KLASS(StackOverflowError_klass),            klassOop)                             \
-      static_field(SystemDictionary,            WK_KLASS(protectionDomain_klass),              klassOop)                             \
+      static_field(SystemDictionary,            WK_KLASS(ProtectionDomain_klass),              klassOop)                             \
       static_field(SystemDictionary,            WK_KLASS(AccessControlContext_klass),          klassOop)                             \
-      static_field(SystemDictionary,            WK_KLASS(reference_klass),                     klassOop)                             \
-      static_field(SystemDictionary,            WK_KLASS(soft_reference_klass),                klassOop)                             \
-      static_field(SystemDictionary,            WK_KLASS(weak_reference_klass),                klassOop)                             \
-      static_field(SystemDictionary,            WK_KLASS(final_reference_klass),               klassOop)                             \
-      static_field(SystemDictionary,            WK_KLASS(phantom_reference_klass),             klassOop)                             \
-      static_field(SystemDictionary,            WK_KLASS(finalizer_klass),                     klassOop)                             \
-      static_field(SystemDictionary,            WK_KLASS(thread_klass),                        klassOop)                             \
-      static_field(SystemDictionary,            WK_KLASS(threadGroup_klass),                   klassOop)                             \
-      static_field(SystemDictionary,            WK_KLASS(properties_klass),                    klassOop)                             \
-      static_field(SystemDictionary,            WK_KLASS(stringBuffer_klass),                  klassOop)                             \
-      static_field(SystemDictionary,            WK_KLASS(vector_klass),                        klassOop)                             \
-      static_field(SystemDictionary,            WK_KLASS(hashtable_klass),                     klassOop)                             \
+      static_field(SystemDictionary,            WK_KLASS(Reference_klass),                     klassOop)                             \
+      static_field(SystemDictionary,            WK_KLASS(SoftReference_klass),                 klassOop)                             \
+      static_field(SystemDictionary,            WK_KLASS(WeakReference_klass),                 klassOop)                             \
+      static_field(SystemDictionary,            WK_KLASS(FinalReference_klass),                klassOop)                             \
+      static_field(SystemDictionary,            WK_KLASS(PhantomReference_klass),              klassOop)                             \
+      static_field(SystemDictionary,            WK_KLASS(Finalizer_klass),                     klassOop)                             \
+      static_field(SystemDictionary,            WK_KLASS(Thread_klass),                        klassOop)                             \
+      static_field(SystemDictionary,            WK_KLASS(ThreadGroup_klass),                   klassOop)                             \
+      static_field(SystemDictionary,            WK_KLASS(Properties_klass),                    klassOop)                             \
+      static_field(SystemDictionary,            WK_KLASS(StringBuffer_klass),                  klassOop)                             \
       static_field(SystemDictionary,            _box_klasses[0],                               klassOop)                             \
       static_field(SystemDictionary,            _java_system_loader,                           oop)                                  \
                                                                                                                                      \
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/services/attachListener.cpp
--- a/src/share/vm/services/attachListener.cpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/services/attachListener.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -437,7 +437,7 @@
                        string,
                        CHECK);
 
-  KlassHandle group(THREAD, SystemDictionary::threadGroup_klass());
+  KlassHandle group(THREAD, SystemDictionary::ThreadGroup_klass());
   JavaCalls::call_special(&result,
                         thread_group,
                         group,
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/services/heapDumper.cpp
--- a/src/share/vm/services/heapDumper.cpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/services/heapDumper.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -1274,7 +1274,7 @@
   if (o->is_klass()) return;
 
   // skip classes as these emitted as HPROF_GC_CLASS_DUMP records
-  if (o->klass() == SystemDictionary::class_klass()) {
+  if (o->klass() == SystemDictionary::Class_klass()) {
     if (!java_lang_Class::is_primitive(o)) {
       return;
     }
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/services/lowMemoryDetector.cpp
--- a/src/share/vm/services/lowMemoryDetector.cpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/services/lowMemoryDetector.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -32,7 +32,7 @@
 void LowMemoryDetector::initialize() {
   EXCEPTION_MARK;
 
-  instanceKlassHandle klass (THREAD,  SystemDictionary::thread_klass());
+  instanceKlassHandle klass (THREAD,  SystemDictionary::Thread_klass());
   instanceHandle thread_oop = klass->allocate_instance_handle(CHECK);
 
   const char thread_name[] = "Low Memory Detector";
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/services/management.cpp
--- a/src/share/vm/services/management.cpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/services/management.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -491,7 +491,7 @@
   int num_flags = Arguments::num_jvm_flags();
   int num_args = Arguments::num_jvm_args();
 
-  instanceKlassHandle ik (THREAD, SystemDictionary::string_klass());
+  instanceKlassHandle ik (THREAD, SystemDictionary::String_klass());
   objArrayOop r = oopFactory::new_objArray(ik(), num_args + num_flags, CHECK_NULL);
   objArrayHandle result_h(THREAD, r);
 
@@ -1321,7 +1321,7 @@
   LoadedClassesEnumerator lce(THREAD);  // Pass current Thread as parameter
 
   int num_classes = lce.num_loaded_classes();
-  objArrayOop r = oopFactory::new_objArray(SystemDictionary::class_klass(), num_classes, CHECK_0);
+  objArrayOop r = oopFactory::new_objArray(SystemDictionary::Class_klass(), num_classes, CHECK_0);
   objArrayHandle classes_ah(THREAD, r);
 
   for (int i = 0; i < num_classes; i++) {
@@ -1481,7 +1481,7 @@
   // last flag entry is always NULL, so subtract 1
   int nFlags = (int) Flag::numFlags - 1;
   // allocate a temp array
-  objArrayOop r = oopFactory::new_objArray(SystemDictionary::string_klass(),
+  objArrayOop r = oopFactory::new_objArray(SystemDictionary::String_klass(),
                                            nFlags, CHECK_0);
   objArrayHandle flags_ah(THREAD, r);
   int num_entries = 0;
@@ -1497,7 +1497,7 @@
 
   if (num_entries < nFlags) {
     // Return array of right length
-    objArrayOop res = oopFactory::new_objArray(SystemDictionary::string_klass(), num_entries, CHECK_0);
+    objArrayOop res = oopFactory::new_objArray(SystemDictionary::String_klass(), num_entries, CHECK_0);
     for(int i = 0; i < num_entries; i++) {
       res->obj_at_put(i, flags_ah->obj_at(i));
     }
@@ -1593,7 +1593,7 @@
     objArrayHandle names_ah(THREAD, ta);
     // Make sure we have a String array
     klassOop element_klass = objArrayKlass::cast(names_ah->klass())->element_klass();
-    if (element_klass != SystemDictionary::string_klass()) {
+    if (element_klass != SystemDictionary::String_klass()) {
       THROW_MSG_(vmSymbols::java_lang_IllegalArgumentException(),
                  "Array element type is not String class", 0);
     }
@@ -1747,7 +1747,7 @@
 
   // Make sure we have a String array
   klassOop element_klass = objArrayKlass::cast(names_ah->klass())->element_klass();
-  if (element_klass != SystemDictionary::string_klass()) {
+  if (element_klass != SystemDictionary::String_klass()) {
     THROW_MSG_(vmSymbols::java_lang_IllegalArgumentException(),
                "Array element type is not String class", 0);
   }
@@ -1782,7 +1782,7 @@
     num_threads += cycle->num_threads();
   }
 
-  objArrayOop r = oopFactory::new_objArray(SystemDictionary::thread_klass(), num_threads, CHECK_NH);
+  objArrayOop r = oopFactory::new_objArray(SystemDictionary::Thread_klass(), num_threads, CHECK_NH);
   objArrayHandle threads_ah(THREAD, r);
 
   int index = 0;
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/services/serviceUtil.hpp
--- a/src/share/vm/services/serviceUtil.hpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/services/serviceUtil.hpp	Wed Jan 06 22:21:39 2010 -0800
@@ -45,7 +45,7 @@
     // instance
     if (o->is_instance()) {
       // instance objects are visible
-      if (o->klass() != SystemDictionary::class_klass()) {
+      if (o->klass() != SystemDictionary::Class_klass()) {
         return true;
       }
       if (java_lang_Class::is_primitive(o)) {
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/services/threadService.cpp
--- a/src/share/vm/services/threadService.cpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/services/threadService.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -540,7 +540,7 @@
 }
 
 Handle ThreadStackTrace::allocate_fill_stack_trace_element_array(TRAPS) {
-  klassOop k = SystemDictionary::stackTraceElement_klass();
+  klassOop k = SystemDictionary::StackTraceElement_klass();
   assert(k != NULL, "must be loaded in 1.4+");
   instanceKlassHandle ik(THREAD, k);
 
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/utilities/constantTag.hpp
--- a/src/share/vm/utilities/constantTag.hpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/utilities/constantTag.hpp	Wed Jan 06 22:21:39 2010 -0800
@@ -36,7 +36,8 @@
   JVM_CONSTANT_UnresolvedString         = 102,  // Temporary tag until actual use
   JVM_CONSTANT_StringIndex              = 103,  // Temporary tag while constructing constant pool
   JVM_CONSTANT_UnresolvedClassInError   = 104,  // Error tag due to resolution error
-  JVM_CONSTANT_InternalMax              = 104   // Last implementation tag
+  JVM_CONSTANT_Object                   = 105,  // Required for BoundMethodHandle arguments.
+  JVM_CONSTANT_InternalMax              = 105   // Last implementation tag
 };
 
 
@@ -70,6 +71,8 @@
   bool is_unresolved_string() const { return _tag == JVM_CONSTANT_UnresolvedString; }
   bool is_string_index() const      { return _tag == JVM_CONSTANT_StringIndex; }
 
+  bool is_object() const            { return _tag == JVM_CONSTANT_Object; }
+
   bool is_klass_reference() const   { return is_klass_index() || is_unresolved_klass(); }
   bool is_klass_or_reference() const{ return is_klass() || is_klass_reference(); }
   bool is_field_or_method() const   { return is_field() || is_method() || is_interface_method(); }
diff -r a5a6adfca6ec -r 9b9c1ee9b3f6 src/share/vm/utilities/exceptions.cpp
--- a/src/share/vm/utilities/exceptions.cpp	Wed Dec 23 03:12:16 2009 -0800
+++ b/src/share/vm/utilities/exceptions.cpp	Wed Jan 06 22:21:39 2010 -0800
@@ -122,7 +122,7 @@
   // Check for special boot-strapping/vm-thread handling
   if (special_exception(thread, file, line, h_exception)) return;
 
-  assert(h_exception->is_a(SystemDictionary::throwable_klass()), "exception is not a subclass of java/lang/Throwable");
+  assert(h_exception->is_a(SystemDictionary::Throwable_klass()), "exception is not a subclass of java/lang/Throwable");
 
   // set the pending exception
   thread->set_pending_exception(h_exception(), file, line);
@@ -255,7 +255,7 @@
 
     // Future: object initializer should take a cause argument
     if (h_cause() != NULL) {
-      assert(h_cause->is_a(SystemDictionary::throwable_klass()),
+      assert(h_cause->is_a(SystemDictionary::Throwable_klass()),
           "exception cause is not a subclass of java/lang/Throwable");
       JavaValue result1(T_OBJECT);
       JavaCallArguments args1;