Home | History | Annotate | Download | only in compiler
      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