| /* |
| * Copyright 2010-2012, 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 BCC_MCCACHEREADER_H |
| #define BCC_MCCACHEREADER_H |
| |
| #include "ScriptCached.h" |
| |
| #include <llvm/ADT/OwningPtr.h> |
| |
| #include <map> |
| #include <string> |
| #include <utility> |
| |
| #include <stddef.h> |
| #include <stdint.h> |
| |
| struct MCO_Header; |
| |
| namespace bcc { |
| class FileHandle; |
| class Script; |
| |
| class MCCacheReader { |
| private: |
| FileHandle *mObjFile, *mInfoFile; |
| off_t mInfoFileSize; |
| |
| MCO_Header *mpHeader; |
| MCO_DependencyTable *mpCachedDependTable; |
| MCO_PragmaList *mpPragmaList; |
| MCO_FuncTable *mpFuncTable; |
| |
| MCO_String_Ptr *mpVarNameList; |
| MCO_String_Ptr *mpFuncNameList; |
| MCO_String_Ptr *mpForEachNameList; |
| |
| llvm::OwningPtr<ScriptCached> mpResult; |
| |
| std::map<std::string, |
| std::pair<uint32_t, unsigned char const *> > mDependencies; |
| |
| bool mIsContextSlotNotAvail; |
| |
| BCCSymbolLookupFn mpSymbolLookupFn; |
| void *mpSymbolLookupContext; |
| |
| public: |
| MCCacheReader() |
| : mObjFile(NULL), mInfoFile(NULL), mInfoFileSize(0), mpHeader(NULL), |
| mpCachedDependTable(NULL), mpPragmaList(NULL), |
| mpVarNameList(NULL), mpFuncNameList(NULL), mpForEachNameList(NULL), |
| mIsContextSlotNotAvail(false) { |
| } |
| |
| ~MCCacheReader(); |
| |
| void addDependency(MCO_ResourceType resType, |
| std::string const &resName, |
| unsigned char const *sha1) { |
| mDependencies.insert(std::make_pair(resName, |
| std::make_pair((uint32_t)resType, sha1))); |
| } |
| |
| ScriptCached *readCacheFile(FileHandle *objFile, FileHandle *infoFile, Script *s); |
| bool checkCacheFile(FileHandle *objFile, FileHandle *infoFile, Script *S); |
| |
| bool isContextSlotNotAvail() const { |
| return mIsContextSlotNotAvail; |
| } |
| |
| void registerSymbolCallback(BCCSymbolLookupFn pFn, void *pContext) { |
| mpSymbolLookupFn = pFn; |
| mpSymbolLookupContext = pContext; |
| } |
| |
| private: |
| bool readHeader(); |
| bool readStringPool(); |
| bool readDependencyTable(); |
| bool readPragmaList(); |
| bool readObjectSlotList(); |
| bool readObjFile(); |
| bool readRelocationTable(); |
| |
| bool readVarNameList(); |
| bool readFuncNameList(); |
| bool readForEachNameList(); |
| |
| bool checkFileSize(); |
| bool checkHeader(); |
| bool checkMachineIntType(); |
| bool checkSectionOffsetAndSize(); |
| bool checkStringPool(); |
| bool checkDependency(); |
| bool checkContext(); |
| |
| bool relocate(); |
| |
| static void *resolveSymbolAdapter(void *context, char const *name); |
| |
| }; |
| |
| } // namespace bcc |
| |
| #endif // BCC_MCCACHEREADER_H |