| /* |
| * 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. |
| */ |
| |
| /* |
| * DEX constant-reduction declarations. |
| */ |
| #ifndef _DALVIK_REDUCECONSTANTS |
| #define _DALVIK_REDUCECONSTANTS |
| |
| #define DVM_RC_DISABLED 0 /* no reduction, 1:1 map */ |
| #define DVM_RC_REDUCING 1 /* normal constants, reduced lookup table */ |
| #define DVM_RC_EXPANDING 2 /* reduced constants, expanded on resolve */ |
| #define DVM_RC_NO_CACHE 3 /* disable the cache (reduce to zero) */ |
| |
| enum { |
| kMapClasses = 0, |
| kMapMethods = 1, |
| kMapFields = 2, |
| kMapStrings = 3, |
| |
| kNumIndexMaps |
| }; |
| |
| struct DvmDex; |
| |
| #define kNoIndexMapping ((u2) -1) |
| |
| /* |
| * Map indices back to the original. |
| */ |
| typedef struct IndexMap { |
| int origCount; /* original size; describes range of entries in map */ |
| int newCount; /* reduced size */ |
| u2* mapToNew; /* sparse map, from "orig" to "new" */ |
| u2* mapToOld; /* dense map, from "new" back to "orig" */ |
| } IndexMap; |
| typedef struct IndexMapSet { |
| /* maps for the different sections */ |
| IndexMap map[kNumIndexMaps]; |
| |
| /* data stream that gets appended to the optimized DEX file */ |
| u4 chunkType; |
| int chunkDataLen; |
| u1* chunkData; |
| } IndexMapSet; |
| |
| /* |
| * Constant pool compaction. |
| * |
| * The caller is responsible for freeing the returned structure by |
| * calling dvmFreeIndexMap(). |
| */ |
| IndexMapSet* dvmRewriteConstants(struct DvmDex* pDvmDex); |
| |
| /* free an index map set */ |
| void dvmFreeIndexMapSet(IndexMapSet* indexMapSet); |
| |
| #endif /*_DALVIK_REDUCECONSTANTS*/ |