CompilerUtility.h revision 375fb116bcb817b37509ab579dbd55cdbb765cbf 
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 */
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    intptr_t *elemList;
43} GrowableList;
44
45typedef 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 */
56struct LIR;
57struct BasicBlock;
58
59void dvmInitGrowableList(GrowableList *gList, size_t initLength);
60void dvmInsertGrowableList(GrowableList *gList, intptr_t elem);
61void dvmGrowableListIteratorInit(GrowableList *gList,
62                                 GrowableListIterator *iterator);
63intptr_t dvmGrowableListIteratorNext(GrowableListIterator *iterator);
64intptr_t dvmGrowableListGetElement(const GrowableList *gList, size_t idx);
65
66BitVector* dvmCompilerAllocBitVector(unsigned int startBits, bool expandable);
67bool dvmCompilerSetBit(BitVector* pBits, unsigned int num);
68bool dvmCompilerClearBit(BitVector* pBits, unsigned int num);
69void dvmCompilerMarkAllBits(BitVector *pBits, bool set);
70void dvmDebugBitVector(char *msg, const BitVector *bv, int length);
71void dvmDumpLIRInsn(struct LIR *lir, unsigned char *baseAddr);
72void dvmDumpResourceMask(struct LIR *lir, u8 mask, const char *prefix);
73void dvmDumpBlockBitVector(const GrowableList *blocks, char *msg,
74                           const BitVector *bv, int length);
75void dvmGetBlockName(struct BasicBlock *bb, char *name);
76int dvmCompilerCacheFlush(long start, long end, long flags);
77
78
79#endif  // DALVIK_COMPILER_UTILITY_H_
80