--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/src/share/vm/shark/sharkMemoryManager.hpp	Wed Aug 11 05:51:21 2010 -0700
@@ -0,0 +1,88 @@
+/*
+ * Copyright (c) 1999, 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright 2009 Red Hat, Inc.
+ * 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.
+ *
+ */
+
+// SharkMemoryManager wraps the LLVM JIT Memory Manager.  We could use
+// this to run our own memory allocation policies, but for now all we
+// use it for is figuring out where the resulting native code ended up.
+
+class SharkMemoryManager : public llvm::JITMemoryManager {
+ public:
+  SharkMemoryManager()
+    : _mm(llvm::JITMemoryManager::CreateDefaultMemManager()) {}
+
+ private:
+  llvm::JITMemoryManager* _mm;
+
+ private:
+  llvm::JITMemoryManager* mm() const {
+    return _mm;
+  }
+
+ private:
+  std::map<const llvm::Function*, SharkEntry*> _entry_map;
+
+ public:
+  void set_entry_for_function(const llvm::Function* function,
+                              SharkEntry*           entry) {
+    _entry_map[function] = entry;
+  }
+  SharkEntry* get_entry_for_function(const llvm::Function* function) {
+    return _entry_map[function];
+  }
+
+ public:
+  void AllocateGOT();
+  unsigned char* getGOTBase() const;
+  unsigned char* allocateStub(const llvm::GlobalValue* F,
+                              unsigned StubSize,
+                              unsigned Alignment);
+  unsigned char* startFunctionBody(const llvm::Function* F,
+                                   uintptr_t& ActualSize);
+  void endFunctionBody(const llvm::Function* F,
+                       unsigned char* FunctionStart,
+                       unsigned char* FunctionEnd);
+  unsigned char* startExceptionTable(const llvm::Function* F,
+                                     uintptr_t& ActualSize);
+  void endExceptionTable(const llvm::Function* F,
+                         unsigned char* TableStart,
+                         unsigned char* TableEnd,
+                         unsigned char* FrameRegister);
+#if SHARK_LLVM_VERSION < 27
+  void* getDlsymTable() const;
+  void SetDlsymTable(void *ptr);
+#endif
+  void setPoisonMemory(bool);
+  uint8_t* allocateGlobal(uintptr_t, unsigned int);
+  void setMemoryWritable();
+  void setMemoryExecutable();
+#if SHARK_LLVM_VERSION >= 27
+  void deallocateExceptionTable(void *ptr);
+  void deallocateFunctionBody(void *ptr);
+#else
+  void deallocateMemForFunction(const llvm::Function* F);
+#endif
+  unsigned char *allocateSpace(intptr_t Size,
+                               unsigned int Alignment);
+};