--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/share/vm/c1x/c1x_CodeInstaller.hpp	Thu Aug 19 14:34:52 2010 -0700
@@ -0,0 +1,88 @@
+/*
+ * Copyright 2000-2010 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.
+ *
+ */
+
+class CodeInstaller {
+private:
+  // this needs to correspond to HotSpotXirGenerator.java
+  enum MarkId {
+    MARK_VERIFIED_ENTRY                 = 0x0001,
+    MARK_UNVERIFIED_ENTRY               = 0x0002,
+    MARK_OSR_ENTRY                      = 0x0003,
+    MARK_STATIC_CALL_STUB               = 0x1000,
+    MARK_INVOKE_INVALID                 = 0x2000,
+    MARK_INVOKEINTERFACE                = 0x2001,
+    MARK_INVOKESTATIC                   = 0x2002,
+    MARK_INVOKESPECIAL                  = 0x2003,
+    MARK_INVOKEVIRTUAL                  = 0x2004,
+    MARK_IMPLICIT_NULL_EXCEPTION_TARGET = 0x3000
+  };
+
+  ciEnv*        _env;
+
+  oop           _citarget_method;
+  oop           _hotspot_method;
+  oop           _name;
+  arrayOop      _sites;
+  CodeOffsets   _offsets;
+
+  arrayOop      _code;
+  jint          _code_size;
+  jint          _frame_size;
+  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;
+
+public:
+
+  // constructor used to create a method
+  CodeInstaller(oop target_method);
+
+  // constructor used to create a stub
+  CodeInstaller(oop target_method, jlong& id);
+
+private:
+  void initialize_fields(oop target_method);
+
+  // perform data and call relocation on the CodeBuffer
+  void initialize_buffer(CodeBuffer& buffer);
+
+  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_ExceptionHandler(CodeBuffer& buffer, jint pc_offset, oop site);
+  void site_Mark(CodeBuffer& buffer, jint pc_offset, oop site);
+
+  void record_frame(jint pc_offset, oop code_pos, oop frame);
+
+};