Elliott Hughes | 2faa5f1 | 2012-01-30 14:42:07 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2011 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 | */ |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 16 | |
| 17 | #ifndef ART_SRC_COMPILER_H_ |
| 18 | #define ART_SRC_COMPILER_H_ |
| 19 | |
Elliott Hughes | e5448b5 | 2012-01-18 16:44:06 -0800 | [diff] [blame] | 20 | #include <map> |
Elliott Hughes | 8add92d | 2012-01-18 18:18:43 -0800 | [diff] [blame] | 21 | #include <set> |
| 22 | #include <string> |
Elliott Hughes | e5448b5 | 2012-01-18 16:44:06 -0800 | [diff] [blame] | 23 | |
Brian Carlstrom | 0755ec5 | 2012-01-11 15:19:46 -0800 | [diff] [blame] | 24 | #include "compiled_class.h" |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 25 | #include "compiled_method.h" |
Ian Rogers | 2c8f653 | 2011-09-02 17:16:34 -0700 | [diff] [blame] | 26 | #include "constants.h" |
Ian Rogers | a3760aa | 2011-11-14 14:32:37 -0800 | [diff] [blame] | 27 | #include "dex_cache.h" |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 28 | #include "dex_file.h" |
Ian Rogers | 2c8f653 | 2011-09-02 17:16:34 -0700 | [diff] [blame] | 29 | #include "jni_compiler.h" |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 30 | #include "oat_file.h" |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 31 | #include "object.h" |
Ian Rogers | 1cb0a1d | 2011-10-06 15:24:35 -0700 | [diff] [blame] | 32 | #include "runtime.h" |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 33 | |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 34 | namespace art { |
| 35 | |
Elliott Hughes | c225caa | 2012-02-03 15:43:37 -0800 | [diff] [blame] | 36 | class Context; |
Elliott Hughes | 601a123 | 2012-02-02 17:47:38 -0800 | [diff] [blame] | 37 | class TimingLogger; |
| 38 | |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 39 | class Compiler { |
| 40 | public: |
Brian Carlstrom | aded5f7 | 2011-10-07 17:15:04 -0700 | [diff] [blame] | 41 | // Create a compiler targeting the requested "instruction_set". |
Brian Carlstrom | ae82698 | 2011-11-09 01:33:42 -0800 | [diff] [blame] | 42 | // "image" should be true if image specific optimizations should be |
| 43 | // enabled. "image_classes" lets the compiler know what classes it |
| 44 | // can assume will be in the image, with NULL implying all available |
| 45 | // classes. |
Elliott Hughes | 5523ee0 | 2012-02-03 18:18:34 -0800 | [diff] [blame] | 46 | explicit Compiler(InstructionSet instruction_set, bool image, size_t thread_count, |
Brian Carlstrom | ae82698 | 2011-11-09 01:33:42 -0800 | [diff] [blame] | 47 | const std::set<std::string>* image_classes); |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 48 | |
| 49 | ~Compiler(); |
Ian Rogers | 2c8f653 | 2011-09-02 17:16:34 -0700 | [diff] [blame] | 50 | |
Jesse Wilson | 254db0f | 2011-11-16 16:44:11 -0500 | [diff] [blame] | 51 | void CompileAll(const ClassLoader* class_loader, |
Brian Carlstrom | ae82698 | 2011-11-09 01:33:42 -0800 | [diff] [blame] | 52 | const std::vector<const DexFile*>& dex_files); |
Brian Carlstrom | 8a48741 | 2011-08-29 20:08:52 -0700 | [diff] [blame] | 53 | |
| 54 | // Compile a single Method |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 55 | void CompileOne(const Method* method); |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 56 | |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 57 | InstructionSet GetInstructionSet() const { |
| 58 | return instruction_set_; |
| 59 | } |
| 60 | |
Brian Carlstrom | aded5f7 | 2011-10-07 17:15:04 -0700 | [diff] [blame] | 61 | bool IsImage() const { |
| 62 | return image_; |
| 63 | } |
| 64 | |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 65 | // Stub to throw AbstractMethodError |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 66 | static ByteArray* CreateAbstractMethodErrorStub(InstructionSet instruction_set); |
| 67 | |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 68 | |
Ian Rogers | ad25ac5 | 2011-10-04 19:13:33 -0700 | [diff] [blame] | 69 | // Generate the trampoline that's invoked by unresolved direct methods |
Ian Rogers | 1cb0a1d | 2011-10-06 15:24:35 -0700 | [diff] [blame] | 70 | static ByteArray* CreateResolutionStub(InstructionSet instruction_set, |
| 71 | Runtime::TrampolineType type); |
Ian Rogers | ad25ac5 | 2011-10-04 19:13:33 -0700 | [diff] [blame] | 72 | |
Elliott Hughes | 8add92d | 2012-01-18 18:18:43 -0800 | [diff] [blame] | 73 | static ByteArray* CreateJniDlsymLookupStub(InstructionSet instruction_set); |
Ian Rogers | 169c9a7 | 2011-11-13 20:13:17 -0800 | [diff] [blame] | 74 | |
Brian Carlstrom | 0755ec5 | 2012-01-11 15:19:46 -0800 | [diff] [blame] | 75 | // A class is uniquely located by its DexFile and the class_defs_ table index into that DexFile |
| 76 | typedef std::pair<const DexFile*, uint32_t> ClassReference; |
Elliott Hughes | 8add92d | 2012-01-18 18:18:43 -0800 | [diff] [blame] | 77 | |
Brian Carlstrom | 0755ec5 | 2012-01-11 15:19:46 -0800 | [diff] [blame] | 78 | CompiledClass* GetCompiledClass(ClassReference ref) const; |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 79 | |
Brian Carlstrom | 0755ec5 | 2012-01-11 15:19:46 -0800 | [diff] [blame] | 80 | // A method is uniquely located by its DexFile and the method_ids_ table index into that DexFile |
| 81 | typedef std::pair<const DexFile*, uint32_t> MethodReference; |
Elliott Hughes | 8add92d | 2012-01-18 18:18:43 -0800 | [diff] [blame] | 82 | |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 83 | CompiledMethod* GetCompiledMethod(MethodReference ref) const; |
Brian Carlstrom | 0755ec5 | 2012-01-11 15:19:46 -0800 | [diff] [blame] | 84 | |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 85 | const CompiledInvokeStub* FindInvokeStub(bool is_static, const char* shorty) const; |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 86 | |
Ian Rogers | 28ad40d | 2011-10-27 15:19:26 -0700 | [diff] [blame] | 87 | // Callbacks from OAT/ART compiler to see what runtime checks must be generated |
Ian Rogers | 6d4d9fc | 2011-11-30 16:24:48 -0800 | [diff] [blame] | 88 | bool CanAssumeTypeIsPresentInDexCache(const DexCache* dex_cache, uint32_t type_idx) const; |
Ian Rogers | a3760aa | 2011-11-14 14:32:37 -0800 | [diff] [blame] | 89 | bool CanAssumeStringIsPresentInDexCache(const DexCache* dex_cache, uint32_t string_idx) const { |
Brian Carlstrom | ae82698 | 2011-11-09 01:33:42 -0800 | [diff] [blame] | 90 | // TODO: Add support for loading strings referenced by image_classes_ |
| 91 | // See also Compiler::ResolveDexFile |
| 92 | return IsImage() && image_classes_ == NULL && dex_cache->GetResolvedString(string_idx) != NULL; |
Ian Rogers | 28ad40d | 2011-10-27 15:19:26 -0700 | [diff] [blame] | 93 | } |
Ian Rogers | a3760aa | 2011-11-14 14:32:37 -0800 | [diff] [blame] | 94 | bool CanAccessTypeWithoutChecks(uint32_t referrer_idx, const DexCache* dex_cache, |
| 95 | const DexFile& dex_file, uint32_t type_idx) const { |
Brian Carlstrom | ae82698 | 2011-11-09 01:33:42 -0800 | [diff] [blame] | 96 | Class* resolved_class = dex_cache->GetResolvedType(type_idx); |
Ian Rogers | 9ada79c | 2012-02-03 14:29:52 -0800 | [diff] [blame] | 97 | if (resolved_class == NULL) { |
| 98 | return false; // Unknown class needs access checks. |
| 99 | } |
Brian Carlstrom | ae82698 | 2011-11-09 01:33:42 -0800 | [diff] [blame] | 100 | const DexFile::MethodId& method_id = dex_file.GetMethodId(referrer_idx); |
| 101 | Class* referrer_class = dex_cache->GetResolvedType(method_id.class_idx_); |
Ian Rogers | 9ada79c | 2012-02-03 14:29:52 -0800 | [diff] [blame] | 102 | if (referrer_class == NULL) { |
| 103 | return false; // Incomplete referrer knowledge needs access check. |
| 104 | } |
| 105 | // Perform access check, will return true if access is ok or false if we're going to have to |
| 106 | // check this at runtime (for example for class loaders). |
| 107 | return referrer_class->CanAccess(resolved_class); |
Ian Rogers | 28ad40d | 2011-10-27 15:19:26 -0700 | [diff] [blame] | 108 | } |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 109 | |
Ian Rogers | d413590 | 2012-02-03 18:05:08 -0800 | [diff] [blame] | 110 | bool CanAccessInstantiableTypeWithoutChecks(uint32_t referrer_idx, const DexCache* dex_cache, |
| 111 | const DexFile& dex_file, uint32_t type_idx) const { |
| 112 | Class* resolved_class = dex_cache->GetResolvedType(type_idx); |
| 113 | if (resolved_class == NULL) { |
| 114 | return false; // Unknown class needs access checks. |
| 115 | } |
| 116 | const DexFile::MethodId& method_id = dex_file.GetMethodId(referrer_idx); |
| 117 | Class* referrer_class = dex_cache->GetResolvedType(method_id.class_idx_); |
| 118 | if (referrer_class == NULL) { |
| 119 | return false; // Incomplete referrer knowledge needs access check. |
| 120 | } |
| 121 | // Perform access check, will return true if access is ok or false if we're going to have to |
| 122 | // check this at runtime (for example for class loaders). |
| 123 | return referrer_class->CanAccess(resolved_class) && resolved_class->IsInstantiable(); |
| 124 | } |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 125 | private: |
Brian Carlstrom | ae82698 | 2011-11-09 01:33:42 -0800 | [diff] [blame] | 126 | |
| 127 | // Checks if class specified by type_idx is one of the image_classes_ |
| 128 | bool IsImageClass(const std::string& descriptor) const; |
| 129 | |
Elliott Hughes | d9c67be | 2012-02-02 19:54:06 -0800 | [diff] [blame] | 130 | void PreCompile(const ClassLoader* class_loader, const std::vector<const DexFile*>& dex_files, TimingLogger& timings); |
Brian Carlstrom | ae82698 | 2011-11-09 01:33:42 -0800 | [diff] [blame] | 131 | void PostCompile(const ClassLoader* class_loader, const std::vector<const DexFile*>& dex_files); |
| 132 | |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 133 | // Attempt to resolve all type, methods, fields, and strings |
| 134 | // referenced from code in the dex file following PathClassLoader |
| 135 | // ordering semantics. |
Elliott Hughes | d9c67be | 2012-02-02 19:54:06 -0800 | [diff] [blame] | 136 | void Resolve(const ClassLoader* class_loader, const std::vector<const DexFile*>& dex_files, TimingLogger& timings); |
| 137 | void ResolveDexFile(const ClassLoader* class_loader, const DexFile& dex_file, TimingLogger& timings); |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 138 | |
Brian Carlstrom | ae82698 | 2011-11-09 01:33:42 -0800 | [diff] [blame] | 139 | void Verify(const ClassLoader* class_loader, const std::vector<const DexFile*>& dex_files); |
jeffhao | 98eacac | 2011-09-14 16:11:53 -0700 | [diff] [blame] | 140 | void VerifyDexFile(const ClassLoader* class_loader, const DexFile& dex_file); |
| 141 | |
Brian Carlstrom | ae82698 | 2011-11-09 01:33:42 -0800 | [diff] [blame] | 142 | void InitializeClassesWithoutClinit(const ClassLoader* class_loader, const std::vector<const DexFile*>& dex_files); |
Brian Carlstrom | a5a97a2 | 2011-09-15 14:08:49 -0700 | [diff] [blame] | 143 | void InitializeClassesWithoutClinit(const ClassLoader* class_loader, const DexFile& dex_file); |
| 144 | |
Brian Carlstrom | ae82698 | 2011-11-09 01:33:42 -0800 | [diff] [blame] | 145 | void Compile(const ClassLoader* class_loader, |
| 146 | const std::vector<const DexFile*>& dex_files); |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 147 | void CompileDexFile(const ClassLoader* class_loader, const DexFile& dex_file); |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 148 | void CompileClass(const DexFile::ClassDef& class_def, const ClassLoader* class_loader, |
| 149 | const DexFile& dex_file); |
Ian Rogers | a3760aa | 2011-11-14 14:32:37 -0800 | [diff] [blame] | 150 | void CompileMethod(const DexFile::CodeItem* code_item, uint32_t access_flags, uint32_t method_idx, |
| 151 | const ClassLoader* class_loader, const DexFile& dex_file); |
Brian Carlstrom | 83db772 | 2011-08-26 17:32:56 -0700 | [diff] [blame] | 152 | |
Elliott Hughes | c225caa | 2012-02-03 15:43:37 -0800 | [diff] [blame] | 153 | static void CompileClass(Context* context, size_t class_def_index); |
| 154 | |
Brian Carlstrom | e7d856b | 2012-01-11 18:10:55 -0800 | [diff] [blame] | 155 | void SetGcMaps(const ClassLoader* class_loader, const std::vector<const DexFile*>& dex_files); |
| 156 | void SetGcMapsDexFile(const ClassLoader* class_loader, const DexFile& dex_file); |
| 157 | void SetGcMapsMethod(const DexFile& dex_file, Method* method); |
| 158 | |
Brian Carlstrom | 83db772 | 2011-08-26 17:32:56 -0700 | [diff] [blame] | 159 | // After compiling, walk all the DexCaches and set the code and |
Brian Carlstrom | 9cc262e | 2011-08-28 12:45:30 -0700 | [diff] [blame] | 160 | // method pointers of CodeAndDirectMethods entries in the DexCaches. |
Brian Carlstrom | ae82698 | 2011-11-09 01:33:42 -0800 | [diff] [blame] | 161 | void SetCodeAndDirectMethods(const std::vector<const DexFile*>& dex_files); |
Brian Carlstrom | 8a48741 | 2011-08-29 20:08:52 -0700 | [diff] [blame] | 162 | void SetCodeAndDirectMethodsDexFile(const DexFile& dex_file); |
Ian Rogers | 2c8f653 | 2011-09-02 17:16:34 -0700 | [diff] [blame] | 163 | |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 164 | void InsertInvokeStub(bool is_static, const char* shorty, |
| 165 | const CompiledInvokeStub* compiled_invoke_stub); |
| 166 | |
Ian Rogers | 2c8f653 | 2011-09-02 17:16:34 -0700 | [diff] [blame] | 167 | InstructionSet instruction_set_; |
| 168 | JniCompiler jni_compiler_; |
| 169 | |
Elliott Hughes | 8add92d | 2012-01-18 18:18:43 -0800 | [diff] [blame] | 170 | typedef std::map<const ClassReference, CompiledClass*> ClassTable; |
Brian Carlstrom | 0755ec5 | 2012-01-11 15:19:46 -0800 | [diff] [blame] | 171 | // All class references that this compiler has compiled |
Elliott Hughes | c225caa | 2012-02-03 15:43:37 -0800 | [diff] [blame] | 172 | mutable Mutex compiled_classes_lock_; |
Brian Carlstrom | 0755ec5 | 2012-01-11 15:19:46 -0800 | [diff] [blame] | 173 | ClassTable compiled_classes_; |
| 174 | |
Elliott Hughes | 8add92d | 2012-01-18 18:18:43 -0800 | [diff] [blame] | 175 | typedef std::map<const MethodReference, CompiledMethod*> MethodTable; |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 176 | // All method references that this compiler has compiled |
Elliott Hughes | c225caa | 2012-02-03 15:43:37 -0800 | [diff] [blame] | 177 | mutable Mutex compiled_methods_lock_; |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 178 | MethodTable compiled_methods_; |
| 179 | |
Elliott Hughes | e5448b5 | 2012-01-18 16:44:06 -0800 | [diff] [blame] | 180 | typedef std::map<std::string, const CompiledInvokeStub*> InvokeStubTable; |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 181 | // Invocation stubs created to allow invocation of the compiled methods |
Elliott Hughes | c225caa | 2012-02-03 15:43:37 -0800 | [diff] [blame] | 182 | mutable Mutex compiled_invoke_stubs_lock_; |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 183 | InvokeStubTable compiled_invoke_stubs_; |
| 184 | |
Brian Carlstrom | aded5f7 | 2011-10-07 17:15:04 -0700 | [diff] [blame] | 185 | bool image_; |
Elliott Hughes | 5523ee0 | 2012-02-03 18:18:34 -0800 | [diff] [blame] | 186 | size_t thread_count_; |
Elliott Hughes | bb551fa | 2012-01-25 16:35:29 -0800 | [diff] [blame] | 187 | uint64_t start_ns_; |
| 188 | |
Brian Carlstrom | ae82698 | 2011-11-09 01:33:42 -0800 | [diff] [blame] | 189 | const std::set<std::string>* image_classes_; |
| 190 | |
Ian Rogers | 2c8f653 | 2011-09-02 17:16:34 -0700 | [diff] [blame] | 191 | DISALLOW_COPY_AND_ASSIGN(Compiler); |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 192 | }; |
| 193 | |
Elliott Hughes | 8add92d | 2012-01-18 18:18:43 -0800 | [diff] [blame] | 194 | inline bool operator<(const Compiler::ClassReference& lhs, const Compiler::ClassReference& rhs) { |
| 195 | if (lhs.second < rhs.second) { |
| 196 | return true; |
| 197 | } else if (lhs.second > rhs.second) { |
| 198 | return false; |
| 199 | } else { |
| 200 | return (lhs.first < rhs.first); |
| 201 | } |
| 202 | } |
| 203 | |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 204 | } // namespace art |
| 205 | |
| 206 | #endif // ART_SRC_COMPILER_H_ |