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/*
* Copyright (C) 2011 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef ART_SRC_COMPILER_COMPILER_UTILITY_H_
#define ART_SRC_COMPILER_COMPILER_UTILITY_H_
#include <stdint.h>
#include <stddef.h>
namespace art {
struct CompilationUnit;
/* Each arena page has some overhead, so take a few bytes off */
#define ARENA_DEFAULT_SIZE ((2 * 1024 * 1024) - 256)
/* Type of allocation for memory tuning */
enum oatAllocKind {
kAllocMisc,
kAllocBB,
kAllocLIR,
kAllocMIR,
kAllocDFInfo,
kAllocGrowableList,
kAllocGrowableBitMap,
kAllocDalvikToSSAMap,
kAllocDebugInfo,
kAllocSuccessor,
kAllocRegAlloc,
kAllocData,
kAllocPredecessors,
kNumAllocKinds
};
/* Type of growable list for memory tuning */
enum oatListKind {
kListMisc = 0,
kListBlockList,
kListSSAtoDalvikMap,
kListDfsOrder,
kListDfsPostOrder,
kListDomPostOrderTraversal,
kListThrowLaunchPads,
kListSuspendLaunchPads,
kListSwitchTables,
kListFillArrayData,
kListSuccessorBlocks,
kListPredecessors,
kNumListKinds
};
/* Type of growable bitmap for memory tuning */
enum oatBitMapKind {
kBitMapMisc = 0,
kBitMapUse,
kBitMapDef,
kBitMapLiveIn,
kBitMapBMatrix,
kBitMapDominators,
kBitMapIDominated,
kBitMapDomFrontier,
kBitMapPhi,
kBitMapTmpBlocks,
kBitMapInputBlocks,
kBitMapRegisterV,
kBitMapTempSSARegisterV,
kBitMapNullCheck,
kBitMapTmpBlockV,
kBitMapPredecessors,
kNumBitMapKinds
};
/* Allocate the initial memory block for arena-based allocation */
bool oatHeapInit(CompilationUnit* cUnit);
/* Collect memory usage statistics */
//#define WITH_MEMSTATS
struct ArenaMemBlock {
size_t blockSize;
size_t bytesAllocated;
ArenaMemBlock *next;
char ptr[0];
};
void* oatNew(CompilationUnit* cUnit, size_t size, bool zero, oatAllocKind kind);
void oatArenaReset(CompilationUnit *cUnit);
struct GrowableList {
GrowableList() : numAllocated(0), numUsed(0), elemList(NULL) {
}
size_t numAllocated;
size_t numUsed;
intptr_t* elemList;
#ifdef WITH_MEMSTATS
oatListKind kind;
#endif
};
struct GrowableListIterator {
GrowableList* list;
size_t idx;
size_t size;
};
/*
* Expanding bitmap, used for tracking resources. Bits are numbered starting
* from zero.
*
* All operations on a BitVector are unsynchronized.
*/
struct ArenaBitVector {
bool expandable; /* expand bitmap if we run out? */
uint32_t storageSize; /* current size, in 32-bit words */
uint32_t* storage;
#ifdef WITH_MEMSTATS
oatBitMapKind kind; /* for memory use tuning */
#endif
};
/* Handy iterator to walk through the bit positions set to 1 */
struct ArenaBitVectorIterator {
ArenaBitVector* pBits;
uint32_t idx;
uint32_t bitSize;
};
#define GET_ELEM_N(LIST, TYPE, N) (((TYPE*) LIST->elemList)[N])
#define BLOCK_NAME_LEN 80
/* Forward declarations */
struct BasicBlock;
struct CompilationUnit;
struct LIR;
struct RegLocation;
void oatInitGrowableList(CompilationUnit* cUnit,GrowableList* gList,
size_t initLength, oatListKind kind = kListMisc);
void oatInsertGrowableList(CompilationUnit* cUnit, GrowableList* gList,
intptr_t elem);
void oatDeleteGrowableList(GrowableList* gList, intptr_t elem);
void oatGrowableListIteratorInit(GrowableList* gList,
GrowableListIterator* iterator);
intptr_t oatGrowableListIteratorNext(GrowableListIterator* iterator);
intptr_t oatGrowableListGetElement(const GrowableList* gList, size_t idx);
ArenaBitVector* oatAllocBitVector(CompilationUnit* cUnit,
unsigned int startBits, bool expandable,
oatBitMapKind = kBitMapMisc);
void oatBitVectorIteratorInit(ArenaBitVector* pBits,
ArenaBitVectorIterator* iterator);
int oatBitVectorIteratorNext(ArenaBitVectorIterator* iterator);
bool oatSetBit(CompilationUnit *cUnit, ArenaBitVector* pBits, unsigned int num);
bool oatClearBit(ArenaBitVector* pBits, unsigned int num);
void oatMarkAllBits(ArenaBitVector* pBits, bool set);
void oatDebugBitVector(char* msg, const ArenaBitVector* bv, int length);
bool oatIsBitSet(const ArenaBitVector* pBits, unsigned int num);
void oatClearAllBits(ArenaBitVector* pBits);
void oatSetInitialBits(ArenaBitVector* pBits, unsigned int numBits);
void oatCopyBitVector(ArenaBitVector* dest, const ArenaBitVector* src);
bool oatIntersectBitVectors(ArenaBitVector* dest, const ArenaBitVector* src1,
const ArenaBitVector* src2);
bool oatUnifyBitVectors(ArenaBitVector* dest, const ArenaBitVector* src1,
const ArenaBitVector* src2);
bool oatCompareBitVectors(const ArenaBitVector* src1,
const ArenaBitVector* src2);
bool oatTestBitVectors(const ArenaBitVector* src1, const ArenaBitVector* src2);
int oatCountSetBits(const ArenaBitVector* pBits);
void oatDumpLIRInsn(CompilationUnit* cUnit, LIR* lir, unsigned char* baseAddr);
void oatDumpResourceMask(LIR* lir, uint64_t mask, const char* prefix);
void oatDumpBlockBitVector(const GrowableList* blocks, char* msg,
const ArenaBitVector* bv, int length);
void oatGetBlockName(BasicBlock* bb, char* name);
const char* oatGetShortyFromTargetIdx(CompilationUnit*, int);
void oatDumpRegLocTable(RegLocation*, int);
void oatDumpMemStats(CompilationUnit* cUnit);
void oatDumpRegLoc(RegLocation loc);
} // namespace art
#endif // ART_SRC_COMPILER_COMPILER_UTILITY_H_
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