2 * Copyright (C) 2008 The Android Open Source Project
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
17 * Inlined native functions.
19 #ifndef _DALVIK_INLINENATIVE
20 #define _DALVIK_INLINENATIVE
22 /* startup/shutdown */
23 bool dvmInlineNativeStartup(void);
24 void dvmInlineNativeShutdown(void);
27 * Basic 4-argument inline operation handler.
29 typedef bool (*InlineOp4Func)(u4 arg0, u4 arg1, u4 arg2, u4 arg3,
33 * Table of inline operations.
35 * Try to keep this at a power-of-two size, so we don't have to multiply.
37 * TODO: might be to our advantage to generate a compact jump table on
38 * the heap at runtime (or just declare two static tables, one with full
39 * info and one with just function pointers). Especially useful if we decide
40 * to support other method call forms, e.g. /range. We can also just
41 * generate assembly code that knows how many args it needs and has the
42 * target address embedded.
44 typedef struct InlineOperation {
45 InlineOp4Func func; /* MUST be first entry */
46 const char* classDescriptor;
47 const char* methodName;
48 const char* methodSignature;
51 /* Must be kept in sync w/ gDvmInlineOpsTable in InlineNative.c */
52 typedef enum NativeInlineOps {
53 INLINE_EMPTYINLINEMETHOD = 0,
54 INLINE_STRING_CHARAT = 1,
55 INLINE_STRING_COMPARETO = 2,
56 INLINE_STRING_EQUALS = 3,
57 INLINE_STRING_FASTINDEXOF_II = 4,
58 INLINE_STRING_IS_EMPTY = 5,
59 INLINE_STRING_LENGTH = 6,
60 INLINE_MATH_ABS_INT = 7,
61 INLINE_MATH_ABS_LONG = 8,
62 INLINE_MATH_ABS_FLOAT = 9,
63 INLINE_MATH_ABS_DOUBLE = 10,
64 INLINE_MATH_MIN_INT = 11,
65 INLINE_MATH_MAX_INT = 12,
66 INLINE_MATH_SQRT = 13,
69 INLINE_FLOAT_TO_INT_BITS = 16,
70 INLINE_FLOAT_TO_RAW_INT_BITS = 17,
71 INLINE_INT_BITS_TO_FLOAT = 18,
72 INLINE_DOUBLE_TO_LONG_BITS = 19,
73 INLINE_DOUBLE_TO_RAW_LONG_BITS = 20,
74 INLINE_LONG_BITS_TO_DOUBLE = 21,
78 * Get the inlineops table.
80 const InlineOperation* dvmGetInlineOpsTable(void);
81 int dvmGetInlineOpsTableLength(void);
84 * The table, exposed so we can access it with C inlines. Prefer access
85 * through dvmGetInlineOpsTable().
87 extern const InlineOperation gDvmInlineOpsTable[];
90 * Perform the operation specified by "opIndex".
92 * We want the arguments to appear in the first 4 registers so they can
93 * be passed straight through to the handler function. Ideally on ARM
94 * they'll go into r0-r3 and stay there.
96 * Returns "true" if everything went normally, "false" if an exception
99 INLINE bool dvmPerformInlineOp4Std(u4 arg0, u4 arg1, u4 arg2, u4 arg3,
100 JValue* pResult, int opIndex)
102 return (*gDvmInlineOpsTable[opIndex].func)(arg0, arg1, arg2, arg3, pResult);
106 * Like the "std" version, but will emit profiling info.
108 bool dvmPerformInlineOp4Dbg(u4 arg0, u4 arg1, u4 arg2, u4 arg3,
109 JValue* pResult, int opIndex);
111 #endif /*_DALVIK_INLINENATIVE*/