1 /* 2 * Copyright (C) 2009 The Android Open Source Project 3 * 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 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 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. 15 */ 16 17 #ifndef DALVIK_VM_COMPILER_UTILITY_H_ 18 #define DALVIK_VM_COMPILER_UTILITY_H_ 19 20 #include "Dalvik.h" 21 22 /* Each arena page has some overhead, so take a few bytes off 8k */ 23 #define ARENA_DEFAULT_SIZE 8100 24 25 /* Allocate the initial memory block for arena-based allocation */ 26 bool dvmCompilerHeapInit(void); 27 28 typedef struct ArenaMemBlock { 29 size_t blockSize; 30 size_t bytesAllocated; 31 struct ArenaMemBlock *next; 32 char ptr[0]; 33 } ArenaMemBlock; 34 35 void *dvmCompilerNew(size_t size, bool zero); 36 37 void dvmCompilerArenaReset(void); 38 39 typedef struct GrowableList { 40 size_t numAllocated; 41 size_t numUsed; 42 intptr_t *elemList; 43 } GrowableList; 44 45 typedef struct GrowableListIterator { 46 GrowableList *list; 47 size_t idx; 48 size_t size; 49 } GrowableListIterator; 50 51 #define GET_ELEM_N(LIST, TYPE, N) (((TYPE*) LIST->elemList)[N]) 52 53 #define BLOCK_NAME_LEN 80 54 55 /* Forward declarations */ 56 struct LIR; 57 struct BasicBlock; 58 59 void dvmInitGrowableList(GrowableList *gList, size_t initLength); 60 void dvmInsertGrowableList(GrowableList *gList, intptr_t elem); 61 void dvmGrowableListIteratorInit(GrowableList *gList, 62 GrowableListIterator *iterator); 63 intptr_t dvmGrowableListIteratorNext(GrowableListIterator *iterator); 64 intptr_t dvmGrowableListGetElement(const GrowableList *gList, size_t idx); 65 66 BitVector* dvmCompilerAllocBitVector(unsigned int startBits, bool expandable); 67 bool dvmCompilerSetBit(BitVector* pBits, unsigned int num); 68 bool dvmCompilerClearBit(BitVector* pBits, unsigned int num); 69 void dvmCompilerMarkAllBits(BitVector *pBits, bool set); 70 void dvmDebugBitVector(char *msg, const BitVector *bv, int length); 71 void dvmDumpLIRInsn(struct LIR *lir, unsigned char *baseAddr); 72 void dvmDumpResourceMask(struct LIR *lir, u8 mask, const char *prefix); 73 void dvmDumpBlockBitVector(const GrowableList *blocks, char *msg, 74 const BitVector *bv, int length); 75 void dvmGetBlockName(struct BasicBlock *bb, char *name); 76 void dvmCompilerCacheFlush(long start, long end, long flags); 77 void dvmCompilerCacheClear(char *start, size_t size); 78 79 80 #endif // DALVIK_COMPILER_UTILITY_H_ 81