1 /* 2 * Copyright 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_SCRIPT_H 18 #define BCC_SCRIPT_H 19 20 #include "slang_version.h" 21 22 #include <llvm/Support/CodeGen.h> 23 #include "bcc/Source.h" 24 25 namespace llvm { 26 class Module; 27 } 28 29 namespace bcc { 30 31 class Script; 32 class Source; 33 class CompilerConfig; 34 35 typedef llvm::Module *(*RSLinkRuntimeCallback)(bcc::Script *, llvm::Module *, 36 llvm::Module *); 37 38 class Script { 39 private: 40 // This is the source associated with this object and is going to be 41 // compiled. 42 // TODO(jeanluc) Verify that the lifetime is managed correctly. 43 Source *mSource; 44 45 llvm::CodeGenOpt::Level mOptimizationLevel; 46 47 RSLinkRuntimeCallback mLinkRuntimeCallback; 48 49 bool mEmbedInfo; 50 51 // Specifies whether we should embed global variable information in the 52 // code via special RS variables that can be examined later by the driver. 53 bool mEmbedGlobalInfo; 54 55 // Specifies whether we should skip constant (immutable) global variables 56 // when potentially embedding information about globals. 57 bool mEmbedGlobalInfoSkipConstant; 58 59 public: 60 explicit Script(Source *pSource); 61 ~Script()62 ~Script() {} 63 64 bool LinkRuntime(const char *rt_path); 65 getCompilerVersion()66 unsigned getCompilerVersion() const { 67 return getSource().getCompilerVersion(); 68 } 69 isStructExplicitlyPaddedBySlang()70 bool isStructExplicitlyPaddedBySlang() const { 71 return getCompilerVersion() >= SlangVersion::N_STRUCT_EXPLICIT_PADDING; 72 } 73 setOptimizationLevel(llvm::CodeGenOpt::Level pOptimizationLevel)74 void setOptimizationLevel(llvm::CodeGenOpt::Level pOptimizationLevel) { 75 mOptimizationLevel = pOptimizationLevel; 76 } 77 getOptimizationLevel()78 llvm::CodeGenOpt::Level getOptimizationLevel() const { 79 return mOptimizationLevel; 80 } 81 setLinkRuntimeCallback(RSLinkRuntimeCallback fn)82 void setLinkRuntimeCallback(RSLinkRuntimeCallback fn) { 83 mLinkRuntimeCallback = fn; 84 } 85 setEmbedInfo(bool pEnable)86 void setEmbedInfo(bool pEnable) { mEmbedInfo = pEnable; } 87 getEmbedInfo()88 bool getEmbedInfo() const { return mEmbedInfo; } 89 90 // Set to true if we should embed global variable information in the code. setEmbedGlobalInfo(bool pEnable)91 void setEmbedGlobalInfo(bool pEnable) { mEmbedGlobalInfo = pEnable; } 92 93 // Returns true if we should embed global variable information in the code. getEmbedGlobalInfo()94 bool getEmbedGlobalInfo() const { return mEmbedGlobalInfo; } 95 96 // Set to true if we should skip constant (immutable) global variables when 97 // potentially embedding information about globals. setEmbedGlobalInfoSkipConstant(bool pEnable)98 void setEmbedGlobalInfoSkipConstant(bool pEnable) { 99 mEmbedGlobalInfoSkipConstant = pEnable; 100 } 101 102 // Returns true if we should skip constant (immutable) global variables when 103 // potentially embedding information about globals. getEmbedGlobalInfoSkipConstant()104 inline bool getEmbedGlobalInfoSkipConstant() const { 105 return mEmbedGlobalInfoSkipConstant; 106 } 107 108 // Merge (or link) another source into the current source associated with 109 // this Script object. Return false on error. 110 // 111 // This is equivalent to the call to Script::merge(...) on mSource. 112 bool mergeSource(Source &pSource); 113 getSource()114 inline Source &getSource() { return *mSource; } getSource()115 inline const Source &getSource() const { return *mSource; } 116 }; 117 118 } // end namespace bcc 119 120 #endif // BCC_SCRIPT_H 121