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diff --git a/vm/interp/InterpDefs.h b/vm/interp/InterpDefs.h
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+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+/*
+ * Dalvik interpreter definitions.  These are internal to the interpreter.
+ *
+ * This includes defines, types, function declarations, and inline functions
+ * that are common to all interpreter implementations.
+ *
+ * Functions and globals declared here are defined in Interp.c.
+ */
+#ifndef DALVIK_INTERP_DEFS_H_
+#define DALVIK_INTERP_DEFS_H_
+
+#if defined(WITH_JIT)
+/*
+ * Size of save area for callee-save FP regs, which are not automatically
+ * saved by interpreter main because it doesn't use them (but Jit'd code
+ * may). Save/restore routine is defined by target, and size should
+ * be >= max needed by any target.
+ */
+#define JIT_CALLEE_SAVE_DOUBLE_COUNT 8
+
+#endif
+
+/*
+ * Portable interpreter.
+ */
+extern void dvmInterpretPortable(Thread* self);
+
+/*
+ * "mterp" interpreter.
+ */
+extern void dvmMterpStd(Thread* self);
+
+/*
+ * Get the "this" pointer from the current frame.
+ */
+Object* dvmGetThisPtr(const Method* method, const u4* fp);
+
+/*
+ * Verify that our tracked local references are valid.
+ */
+void dvmInterpCheckTrackedRefs(Thread* self, const Method* method,
+    int debugTrackedRefStart);
+
+/*
+ * Process switch statement.
+ */
+extern "C" s4 dvmInterpHandlePackedSwitch(const u2* switchData, s4 testVal);
+extern "C" s4 dvmInterpHandleSparseSwitch(const u2* switchData, s4 testVal);
+
+/*
+ * Process fill-array-data.
+ */
+extern "C" bool dvmInterpHandleFillArrayData(ArrayObject* arrayObject,
+                                  const u2* arrayData);
+
+/*
+ * Find an interface method.
+ */
+Method* dvmInterpFindInterfaceMethod(ClassObject* thisClass, u4 methodIdx,
+    const Method* method, DvmDex* methodClassDex);
+
+/*
+ * Determine if the debugger or profiler is currently active.
+ */
+static inline bool dvmDebuggerOrProfilerActive()
+{
+    return gDvm.debuggerActive || gDvm.activeProfilers != 0;
+}
+
+#if defined(WITH_JIT)
+/*
+ * Determine if the jit, debugger or profiler is currently active.  Used when
+ * selecting which interpreter to switch to.
+ */
+static inline bool dvmJitDebuggerOrProfilerActive()
+{
+    return (gDvmJit.pProfTable != NULL) || dvmDebuggerOrProfilerActive();
+}
+
+/*
+ * Hide the translations and stick with the interpreter as long as one of the
+ * following conditions is true.
+ */
+static inline bool dvmJitHideTranslation()
+{
+    return (gDvm.sumThreadSuspendCount != 0) ||
+           (gDvmJit.codeCacheFull == true) ||
+           (gDvmJit.pProfTable == NULL);
+}
+
+#endif
+
+#endif  // DALVIK_INTERP_DEFS_H_