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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_H_
#define ART_SRC_COMPILER_COMPILER_H_
#include "dex_file.h"
#include "dex_instruction.h"
namespace art {
#define COMPILER_TRACED(X)
#define COMPILER_TRACEE(X)
/*
* Special offsets to denote method entry/exit for debugger update.
* NOTE: bit pattern must be loadable using 1 instruction and must
* not be a valid Dalvik offset.
*/
#define DEBUGGER_METHOD_ENTRY -1
#define DEBUGGER_METHOD_EXIT -2
/*
* Assembly is an iterative process, and usually terminates within
* two or three passes. This should be high enough to handle bizarre
* cases, but detect an infinite loop bug.
*/
#define MAX_ASSEMBLER_RETRIES 50
/* Suppress optimization if corresponding bit set */
enum optControlVector {
kLoadStoreElimination = 0,
kLoadHoisting,
kSuppressLoads,
kNullCheckElimination,
kPromoteRegs,
kTrackLiveTemps,
kSkipLargeMethodOptimization,
kSafeOptimizations,
kBBOpt,
kMatch,
kPromoteCompilerTemps,
};
/* 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
};
/* Force code generation paths for testing */
enum debugControlVector {
kDebugDisplayMissingTargets,
kDebugVerbose,
kDebugDumpCFG,
kDebugSlowFieldPath,
kDebugSlowInvokePath,
kDebugSlowStringPath,
kDebugSlowTypePath,
kDebugSlowestFieldPath,
kDebugSlowestStringPath,
kDebugExerciseResolveMethod,
kDebugVerifyDataflow,
kDebugShowMemoryUsage,
kDebugShowNops,
kDebugCountOpcodes,
};
enum OatMethodAttributes {
kIsCallee = 0, /* Code is part of a callee (invoked by a hot trace) */
kIsHot, /* Code is part of a hot trace */
kIsLeaf, /* Method is leaf */
kIsEmpty, /* Method is empty */
kIsThrowFree, /* Method doesn't throw */
kIsGetter, /* Method fits the getter pattern */
kIsSetter, /* Method fits the setter pattern */
kCannotCompile, /* Method cannot be compiled */
};
#define METHOD_IS_CALLEE (1 << kIsCallee)
#define METHOD_IS_HOT (1 << kIsHot)
#define METHOD_IS_LEAF (1 << kIsLeaf)
#define METHOD_IS_EMPTY (1 << kIsEmpty)
#define METHOD_IS_THROW_FREE (1 << kIsThrowFree)
#define METHOD_IS_GETTER (1 << kIsGetter)
#define METHOD_IS_SETTER (1 << kIsSetter)
#define METHOD_CANNOT_COMPILE (1 << kCannotCompile)
/* Customized node traversal orders for different needs */
enum DataFlowAnalysisMode {
kAllNodes = 0, // All nodes
kReachableNodes, // All reachable nodes
kPreOrderDFSTraversal, // Depth-First-Search / Pre-Order
kPostOrderDFSTraversal, // Depth-First-Search / Post-Order
kPostOrderDOMTraversal, // Dominator tree / Post-Order
kReversePostOrderTraversal, // Depth-First-Search / reverse Post-Order
};
struct CompilationUnit;
struct BasicBlock;
struct SSARepresentation;
struct GrowableList;
struct MIR;
void oatInit(CompilationUnit* cUnit, const Compiler& compiler);
bool oatArchInit(void);
bool oatStartup(void);
void oatShutdown(void);
void oatScanAllClassPointers(void (*callback)(void* ptr));
void oatInitializeSSAConversion(CompilationUnit* cUnit);
int SRegToVReg(const CompilationUnit* cUnit, int ssaReg);
int SRegToSubscript(const CompilationUnit* cUnit, int ssaReg);
bool oatFindLocalLiveIn(CompilationUnit* cUnit, BasicBlock* bb);
bool oatDoSSAConversion(CompilationUnit* cUnit, BasicBlock* bb);
bool oatDoConstantPropagation(CompilationUnit* cUnit, BasicBlock* bb);
bool oatFindInductionVariables(CompilationUnit* cUnit, BasicBlock* bb);
/* Clear the visited flag for each BB */
bool oatClearVisitedFlag(CompilationUnit* cUnit, BasicBlock* bb);
char* oatGetDalvikDisassembly(CompilationUnit* cUnit, const DecodedInstruction& insn,
const char* note);
char* oatFullDisassembler(CompilationUnit* cUnit, const MIR* mir);
char* oatGetSSAString(CompilationUnit* cUnit, SSARepresentation* ssaRep);
void oatDataFlowAnalysisDispatcher(CompilationUnit* cUnit,
bool (*func)(CompilationUnit* , BasicBlock*),
DataFlowAnalysisMode dfaMode,
bool isIterative);
void oatMethodSSATransformation(CompilationUnit* cUnit);
u8 oatGetRegResourceMask(int reg);
void oatDumpCFG(CompilationUnit* cUnit, const char* dirPrefix);
void oatProcessSwitchTables(CompilationUnit* cUnit);
bool oatIsFpReg(int reg);
uint32_t oatFpRegMask(void);
} // namespace art
extern "C" art::CompiledMethod* ArtCompileMethod(art::Compiler& compiler,
const art::DexFile::CodeItem* code_item,
uint32_t access_flags, uint32_t method_idx,
const art::ClassLoader* class_loader,
const art::DexFile& dex_file);
#endif // ART_SRC_COMPILER_COMPILER_H_
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