--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/share/vm/graal/graalCodeInstaller.hpp	Wed Jun 08 13:40:25 2011 +0200
@@ -0,0 +1,106 @@
+/*
+ * Copyright (c) 2011, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/*
+ * This class handles the conversion from a CiTargetMethod to a CodeBlob or an nmethod.
+ */
+class CodeInstaller {
+private:
+  // these need to correspond to HotSpotXirGenerator.java
+  enum MarkId {
+    MARK_VERIFIED_ENTRY             = 0x0001,
+    MARK_UNVERIFIED_ENTRY           = 0x0002,
+    MARK_OSR_ENTRY                  = 0x0003,
+    MARK_UNWIND_ENTRY               = 0x0004,
+    MARK_EXCEPTION_HANDLER_ENTRY    = 0x0005,
+    MARK_DEOPT_HANDLER_ENTRY        = 0x0006,
+    MARK_STATIC_CALL_STUB           = 0x1000,
+    MARK_INVOKE_INVALID             = 0x2000,
+    MARK_INVOKEINTERFACE            = 0x2001,
+    MARK_INVOKESTATIC               = 0x2002,
+    MARK_INVOKESPECIAL              = 0x2003,
+    MARK_INVOKEVIRTUAL              = 0x2004,
+    MARK_IMPLICIT_NULL              = 0x3000,
+    MARK_KLASS_PATCHING             = 0x4000,
+    MARK_DUMMY_OOP_RELOCATION       = 0x4001,
+    MARK_ACCESS_FIELD_PATCHING      = 0x4002
+  };
+
+  ciEnv*        _env;
+
+  oop           _citarget_method;
+  oop           _hotspot_method;
+  oop           _name;
+  arrayOop      _sites;
+  arrayOop      _assumptions;
+  arrayOop      _exception_handlers;
+  CodeOffsets   _offsets;
+
+  arrayOop      _code;
+  jint          _code_size;
+  jint          _frame_size;
+  jint          _custom_stack_area_offset;
+  jint          _parameter_count;
+  jint          _constants_size;
+  jint          _total_size;
+
+  MarkId        _next_call_type;
+  address       _invoke_mark_pc;
+
+  CodeSection*  _instructions;
+  CodeSection*  _constants;
+
+  OopRecorder*              _oop_recorder;
+  DebugInformationRecorder* _debug_recorder;
+  Dependencies*             _dependencies;
+  ExceptionHandlerTable     _exception_handler_table;
+  ImplicitExceptionTable    _implicit_exception_table;
+
+public:
+
+  // constructor used to create a method
+  CodeInstaller(Handle target_method);
+
+  // constructor used to create a stub
+  CodeInstaller(Handle target_method, jlong& id);
+
+private:
+  // extract the fields of the CiTargetMethod
+  void initialize_fields(Handle target_method);
+
+  // perform data and call relocation on the CodeBuffer
+  void initialize_buffer(CodeBuffer& buffer);
+
+  void assumption_ConcreteSubtype(oop assumption);
+  void assumption_ConcreteMethod(oop assumption);
+
+  void site_Safepoint(CodeBuffer& buffer, jint pc_offset, oop site);
+  void site_Call(CodeBuffer& buffer, jint pc_offset, oop site);
+  void site_DataPatch(CodeBuffer& buffer, jint pc_offset, oop site);
+  void site_Mark(CodeBuffer& buffer, jint pc_offset, oop site);
+
+  void record_scope(jint pc_offset, oop code_pos);
+
+  void process_exception_handlers();
+
+};