Initial Contribution

1 files changed, 85 insertions, 0 deletions

diff --git a/vm/InlineNative.h b/vm/InlineNative.h
new file mode 100644
index 000000000..a6177a6a1
--- /dev/null
+++ b/vm/InlineNative.h
@@ -0,0 +1,85 @@
+/*
+ * 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.
+ */
+/*
+ * Inlined native functions.
+ */
+#ifndef _DALVIK_INLINENATIVE
+#define _DALVIK_INLINENATIVE
+
+/* startup/shutdown */
+bool dvmInlineNativeStartup(void);
+void dvmInlineNativeShutdown(void);
+
+/*
+ * Basic 4-argument inline operation handler.
+ */
+typedef bool (*InlineOp4Func)(u4 arg0, u4 arg1, u4 arg2, u4 arg3,
+    JValue* pResult);
+
+/*
+ * Table of inline operations.
+ *
+ * Try to keep this at a power-of-two size, so we don't have to multiply.
+ *
+ * TODO: might be to our advantage to generate a compact jump table on
+ * the heap at runtime (or just declare two static tables, one with full
+ * info and one with just function pointers).  Especially useful if we decide
+ * to support other method call forms, e.g. /range.  We can also just
+ * generate assembly code that knows how many args it needs and has the
+ * target address embedded.
+ */
+typedef struct InlineOperation {
+    InlineOp4Func   func;               /* MUST be first entry */
+    const char*     classDescriptor;
+    const char*     methodName;
+    const char*     methodSignature;
+} InlineOperation;
+
+/*
+ * Get the inlineops table.
+ */
+const InlineOperation* dvmGetInlineOpsTable(void);
+int dvmGetInlineOpsTableLength(void);
+
+/*
+ * The table, exposed so we can access it with C inlines.  Prefer access
+ * through dvmGetInlineOpsTable().
+ */
+extern const InlineOperation gDvmInlineOpsTable[];
+
+/*
+ * Perform the operation specified by "opIndex".
+ *
+ * We want the arguments to appear in the first 4 registers so they can
+ * be passed straight through to the handler function.  Ideally on ARM
+ * they'll go into r0-r3 and stay there.
+ *
+ * Returns "true" if everything went normally, "false" if an exception
+ * was thrown.
+ */
+INLINE bool dvmPerformInlineOp4Std(u4 arg0, u4 arg1, u4 arg2, u4 arg3,
+    JValue* pResult, int opIndex)
+{
+    return (*gDvmInlineOpsTable[opIndex].func)(arg0, arg1, arg2, arg3, pResult);
+}
+
+/*
+ * Like the "std" version, but will emit profiling info.
+ */
+bool dvmPerformInlineOp4Dbg(u4 arg0, u4 arg1, u4 arg2, u4 arg3,
+    JValue* pResult, int opIndex);
+
+#endif /*_DALVIK_INLINENATIVE*/