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 18 #define _DALVIK_VM_COMPILER_UTILITY 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 bytesAllocated; 30 struct ArenaMemBlock *next; 31 char ptr[0]; 32 } ArenaMemBlock; 33 34 void *dvmCompilerNew(size_t size, bool zero); 35 36 void dvmCompilerArenaReset(void); 37 38 typedef struct GrowableList { 39 size_t numAllocated; 40 size_t numUsed; 41 void **elemList; 42 } GrowableList; 43 44 #define GET_ELEM_N(LIST, TYPE, N) (((TYPE*) LIST->elemList)[N]) 45 #define MIN(x,y) (((x) < (y)) ? (x) : (y)) 46 #define MAX(x,y) (((x) > (y)) ? (x) : (y)) 47 48 struct LIR; 49 50 void dvmInitGrowableList(GrowableList *gList, size_t initLength); 51 void dvmInsertGrowableList(GrowableList *gList, void *elem); 52 BitVector* dvmCompilerAllocBitVector(int startBits, bool expandable); 53 bool dvmCompilerSetBit(BitVector* pBits, int num); 54 void dvmDebugBitVector(char *msg, const BitVector *bv, int length); 55 void dvmDumpLIRInsn(struct LIR *lir, unsigned char *baseAddr); 56 void dvmDumpResourceMask(struct LIR *lir, u8 mask, const char *prefix); 57 58 #endif /* _DALVIK_COMPILER_UTILITY */ 59