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 */ 26bool dvmCompilerHeapInit(void); 27 28typedef struct ArenaMemBlock { 29 size_t blockSize; 30 size_t bytesAllocated; 31 struct ArenaMemBlock *next; 32 char ptr[0]; 33} ArenaMemBlock; 34 35void *dvmCompilerNew(size_t size, bool zero); 36 37void dvmCompilerArenaReset(void); 38 39typedef struct GrowableList { 40 size_t numAllocated; 41 size_t numUsed; 42 void **elemList; 43} GrowableList; 44 45#define GET_ELEM_N(LIST, TYPE, N) (((TYPE*) LIST->elemList)[N]) 46 47struct LIR; 48 49void dvmInitGrowableList(GrowableList *gList, size_t initLength); 50void dvmInsertGrowableList(GrowableList *gList, void *elem); 51BitVector* dvmCompilerAllocBitVector(int startBits, bool expandable); 52bool dvmCompilerSetBit(BitVector* pBits, int num); 53void dvmDebugBitVector(char *msg, const BitVector *bv, int length); 54void dvmDumpLIRInsn(struct LIR *lir, unsigned char *baseAddr); 55void dvmDumpResourceMask(struct LIR *lir, u8 mask, const char *prefix); 56 57#endif /* _DALVIK_COMPILER_UTILITY */ 58