Stephen Hines | 4a68b1c | 2012-05-03 12:28:14 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2010-2012, 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 BCC_SCRIPTCACHED_H |
| 18 | #define BCC_SCRIPTCACHED_H |
| 19 | |
| 20 | #include "Config.h" |
| 21 | |
| 22 | #include <bcc/bcc.h> |
| 23 | #include <bcc/bcc_mccache.h> |
| 24 | #include "bcc_internal.h" |
| 25 | |
| 26 | #include "librsloader.h" |
| 27 | |
| 28 | #include <llvm/ADT/SmallVector.h> |
| 29 | |
| 30 | #include <map> |
| 31 | #include <string> |
| 32 | #include <utility> |
| 33 | #include <vector> |
| 34 | |
| 35 | #include <stddef.h> |
| 36 | |
| 37 | namespace llvm { |
| 38 | class Module; |
| 39 | } |
| 40 | |
| 41 | namespace bcc { |
| 42 | class Script; |
| 43 | |
| 44 | class ScriptCached { |
| 45 | friend class CacheReader; |
| 46 | friend class MCCacheReader; |
| 47 | |
| 48 | private: |
| 49 | enum { SMALL_VECTOR_QUICKN = 16 }; |
| 50 | |
| 51 | typedef llvm::SmallVector<std::pair<char const *, char const *>, |
| 52 | SMALL_VECTOR_QUICKN> PragmaList; |
| 53 | |
| 54 | typedef std::map<std::string, std::pair<void *, size_t> > FuncTable; |
| 55 | |
| 56 | private: |
| 57 | Script *mpOwner; |
| 58 | |
| 59 | MCO_ExportVarList *mpExportVars; |
| 60 | MCO_ExportFuncList *mpExportFuncs; |
| 61 | MCO_ExportForEachList *mpExportForEach; |
| 62 | PragmaList mPragmas; |
| 63 | MCO_ObjectSlotList *mpObjectSlotList; |
| 64 | |
| 65 | FuncTable mFunctions; |
| 66 | |
| 67 | RSExecRef mRSExecutable; |
| 68 | llvm::SmallVector<char, 1024> mCachedELFExecutable; |
| 69 | |
| 70 | MCO_StringPool *mpStringPoolRaw; |
| 71 | std::vector<char const *> mStringPool; |
| 72 | |
| 73 | bool mLibRSThreadable; |
| 74 | |
| 75 | public: |
| 76 | ScriptCached(Script *owner) |
| 77 | : mpOwner(owner), |
| 78 | mpExportVars(NULL), |
| 79 | mpExportFuncs(NULL), |
| 80 | mpExportForEach(NULL), |
| 81 | mpObjectSlotList(NULL), |
| 82 | mpStringPoolRaw(NULL), |
| 83 | mLibRSThreadable(false) { |
| 84 | } |
| 85 | |
| 86 | ~ScriptCached(); |
| 87 | |
| 88 | void *lookup(const char *name); |
| 89 | |
| 90 | |
| 91 | size_t getExportVarCount() const { |
| 92 | return mpExportVars->count; |
| 93 | } |
| 94 | |
| 95 | size_t getExportFuncCount() const { |
| 96 | return mpExportFuncs->count; |
| 97 | } |
| 98 | |
| 99 | size_t getExportForEachCount() const { |
| 100 | return mpExportForEach->count; |
| 101 | } |
| 102 | |
| 103 | size_t getPragmaCount() const { |
| 104 | return mPragmas.size(); |
| 105 | } |
| 106 | |
| 107 | size_t getFuncCount() const { |
| 108 | return mFunctions.size(); |
| 109 | } |
| 110 | |
| 111 | size_t getObjectSlotCount() const { |
| 112 | return mpObjectSlotList->count; |
| 113 | } |
| 114 | |
| 115 | void getExportVarList(size_t varListSize, void **varList); |
| 116 | |
| 117 | void getExportFuncList(size_t funcListSize, void **funcList); |
| 118 | |
| 119 | void getExportForEachList(size_t forEachListSize, void **forEachList); |
| 120 | |
| 121 | void getPragmaList(size_t pragmaListSize, |
| 122 | char const **keyList, |
| 123 | char const **valueList); |
| 124 | |
| 125 | void getFuncInfoList(size_t funcInfoListSize, FuncInfo *funcNameList); |
| 126 | |
| 127 | void getObjectSlotList(size_t objectSlotListSize, |
| 128 | uint32_t *objectSlotList); |
| 129 | |
| 130 | const char *getELF() const { |
| 131 | return &*mCachedELFExecutable.begin(); |
| 132 | } |
| 133 | |
| 134 | size_t getELFSize() const { |
| 135 | return mCachedELFExecutable.size(); |
| 136 | } |
| 137 | |
| 138 | // Dirty hack for libRS. |
| 139 | // TODO(all): This should be removed in the future. |
| 140 | bool isLibRSThreadable() const { |
| 141 | return mLibRSThreadable; |
| 142 | } |
| 143 | |
| 144 | #if 0 |
| 145 | void registerSymbolCallback(BCCSymbolLookupFn pFn, BCCvoid *pContext) { |
| 146 | mCompiler.registerSymbolCallback(pFn, pContext); |
| 147 | } |
| 148 | #endif |
| 149 | }; |
| 150 | |
| 151 | } // namespace bcc |
| 152 | |
| 153 | #endif // BCC_SCRIPTCACHED_H |