Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [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 | */ |
| 16 | |
| 17 | #include "compiler_driver.h" |
| 18 | |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 19 | #include <unordered_set> |
Anwar Ghuloum | 67f9941 | 2013-08-12 14:19:48 -0700 | [diff] [blame] | 20 | #include <vector> |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 21 | #include <unistd.h> |
| 22 | |
Mathieu Chartier | ab972ef | 2014-12-03 17:38:22 -0800 | [diff] [blame] | 23 | #ifndef __APPLE__ |
| 24 | #include <malloc.h> // For mallinfo |
| 25 | #endif |
| 26 | |
Narayan Kamath | e3eae5e | 2016-10-27 11:47:30 +0100 | [diff] [blame^] | 27 | #include "android-base/strings.h" |
| 28 | |
Mathieu Chartier | c785344 | 2015-03-27 14:35:38 -0700 | [diff] [blame] | 29 | #include "art_field-inl.h" |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 30 | #include "art_method-inl.h" |
David Brazdil | d9c9037 | 2016-09-14 16:53:55 +0100 | [diff] [blame] | 31 | #include "base/array_ref.h" |
Vladimir Marko | 492a7fa | 2016-06-01 18:38:43 +0100 | [diff] [blame] | 32 | #include "base/bit_vector.h" |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 33 | #include "base/enums.h" |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 34 | #include "base/stl_util.h" |
Mathieu Chartier | 32ce2ad | 2016-03-04 14:58:03 -0800 | [diff] [blame] | 35 | #include "base/systrace.h" |
Vladimir Marko | 80afd02 | 2015-05-19 18:08:00 +0100 | [diff] [blame] | 36 | #include "base/time_utils.h" |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 37 | #include "base/timing_logger.h" |
Vladimir Marko | 3481ba2 | 2015-04-13 12:22:36 +0100 | [diff] [blame] | 38 | #include "class_linker-inl.h" |
Mingyao Yang | 98d1cc8 | 2014-05-15 17:02:16 -0700 | [diff] [blame] | 39 | #include "compiled_class.h" |
Vladimir Marko | 20f8559 | 2015-03-19 10:07:02 +0000 | [diff] [blame] | 40 | #include "compiled_method.h" |
Nicolas Geoffray | b34f69a | 2014-03-07 15:28:39 +0000 | [diff] [blame] | 41 | #include "compiler.h" |
Vladimir Marko | be0e546 | 2014-02-26 11:24:15 +0000 | [diff] [blame] | 42 | #include "compiler_driver-inl.h" |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 43 | #include "dex_compilation_unit.h" |
| 44 | #include "dex_file-inl.h" |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 45 | #include "dex_instruction-inl.h" |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 46 | #include "dex/dex_to_dex_compiler.h" |
Vladimir Marko | c7f8320 | 2014-01-24 17:55:18 +0000 | [diff] [blame] | 47 | #include "dex/verification_results.h" |
Vladimir Marko | 2730db0 | 2014-01-27 11:15:17 +0000 | [diff] [blame] | 48 | #include "dex/verified_method.h" |
Mark Mendell | ae9fd93 | 2014-02-10 16:14:35 -0800 | [diff] [blame] | 49 | #include "driver/compiler_options.h" |
Nicolas Geoffray | 762869d | 2016-07-15 15:28:35 +0100 | [diff] [blame] | 50 | #include "intrinsics_enum.h" |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 51 | #include "jni_internal.h" |
Ian Rogers | 22d5e73 | 2014-07-15 22:23:51 -0700 | [diff] [blame] | 52 | #include "object_lock.h" |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 53 | #include "runtime.h" |
| 54 | #include "gc/accounting/card_table-inl.h" |
| 55 | #include "gc/accounting/heap_bitmap.h" |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 56 | #include "gc/space/image_space.h" |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 57 | #include "gc/space/space.h" |
| 58 | #include "mirror/class_loader.h" |
| 59 | #include "mirror/class-inl.h" |
| 60 | #include "mirror/dex_cache-inl.h" |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 61 | #include "mirror/object-inl.h" |
| 62 | #include "mirror/object_array-inl.h" |
| 63 | #include "mirror/throwable.h" |
Mathieu Chartier | 0795f23 | 2016-09-27 18:43:30 -0700 | [diff] [blame] | 64 | #include "scoped_thread_state_change-inl.h" |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 65 | #include "ScopedLocalRef.h" |
Mathieu Chartier | eb8167a | 2014-05-07 15:43:14 -0700 | [diff] [blame] | 66 | #include "handle_scope-inl.h" |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 67 | #include "thread.h" |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 68 | #include "thread_list.h" |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 69 | #include "thread_pool.h" |
Ian Rogers | 848871b | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 70 | #include "trampolines/trampoline_compiler.h" |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 71 | #include "transaction.h" |
Vladimir Marko | 20f8559 | 2015-03-19 10:07:02 +0000 | [diff] [blame] | 72 | #include "utils/dex_cache_arrays_layout-inl.h" |
Andreas Gampe | e21dc3d | 2014-12-08 16:59:43 -0800 | [diff] [blame] | 73 | #include "utils/swap_space.h" |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 74 | #include "verifier/method_verifier.h" |
Vladimir Marko | 2bc4780 | 2014-02-10 09:43:07 +0000 | [diff] [blame] | 75 | #include "verifier/method_verifier-inl.h" |
Andreas Gampe | 5fd66d0 | 2016-09-12 20:22:19 -0700 | [diff] [blame] | 76 | #include "verifier/verifier_log_mode.h" |
Nicolas Geoffray | 0802518 | 2016-10-25 17:20:18 +0100 | [diff] [blame] | 77 | #include "verifier/verifier_deps.h" |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 78 | |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 79 | namespace art { |
| 80 | |
Mathieu Chartier | 8e219ae | 2014-08-19 14:29:46 -0700 | [diff] [blame] | 81 | static constexpr bool kTimeCompileMethod = !kIsDebugBuild; |
| 82 | |
Calin Juravle | 226501b | 2015-12-11 14:41:31 +0000 | [diff] [blame] | 83 | // Print additional info during profile guided compilation. |
| 84 | static constexpr bool kDebugProfileGuidedCompilation = false; |
| 85 | |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 86 | static double Percentage(size_t x, size_t y) { |
| 87 | return 100.0 * (static_cast<double>(x)) / (static_cast<double>(x + y)); |
| 88 | } |
| 89 | |
| 90 | static void DumpStat(size_t x, size_t y, const char* str) { |
| 91 | if (x == 0 && y == 0) { |
| 92 | return; |
| 93 | } |
Ian Rogers | e732ef1 | 2013-10-09 15:22:24 -0700 | [diff] [blame] | 94 | LOG(INFO) << Percentage(x, y) << "% of " << str << " for " << (x + y) << " cases"; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 95 | } |
| 96 | |
Vladimir Marko | f096aad | 2014-01-23 15:51:58 +0000 | [diff] [blame] | 97 | class CompilerDriver::AOTCompilationStats { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 98 | public: |
| 99 | AOTCompilationStats() |
| 100 | : stats_lock_("AOT compilation statistics lock"), |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 101 | resolved_types_(0), unresolved_types_(0), |
| 102 | resolved_instance_fields_(0), unresolved_instance_fields_(0), |
| 103 | resolved_local_static_fields_(0), resolved_static_fields_(0), unresolved_static_fields_(0), |
| 104 | type_based_devirtualization_(0), |
| 105 | safe_casts_(0), not_safe_casts_(0) { |
| 106 | for (size_t i = 0; i <= kMaxInvokeType; i++) { |
| 107 | resolved_methods_[i] = 0; |
| 108 | unresolved_methods_[i] = 0; |
| 109 | virtual_made_direct_[i] = 0; |
| 110 | direct_calls_to_boot_[i] = 0; |
| 111 | direct_methods_to_boot_[i] = 0; |
| 112 | } |
| 113 | } |
| 114 | |
| 115 | void Dump() { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 116 | DumpStat(resolved_types_, unresolved_types_, "types resolved"); |
| 117 | DumpStat(resolved_instance_fields_, unresolved_instance_fields_, "instance fields resolved"); |
| 118 | DumpStat(resolved_local_static_fields_ + resolved_static_fields_, unresolved_static_fields_, |
| 119 | "static fields resolved"); |
| 120 | DumpStat(resolved_local_static_fields_, resolved_static_fields_ + unresolved_static_fields_, |
| 121 | "static fields local to a class"); |
| 122 | DumpStat(safe_casts_, not_safe_casts_, "check-casts removed based on type information"); |
| 123 | // Note, the code below subtracts the stat value so that when added to the stat value we have |
| 124 | // 100% of samples. TODO: clean this up. |
| 125 | DumpStat(type_based_devirtualization_, |
| 126 | resolved_methods_[kVirtual] + unresolved_methods_[kVirtual] + |
| 127 | resolved_methods_[kInterface] + unresolved_methods_[kInterface] - |
| 128 | type_based_devirtualization_, |
| 129 | "virtual/interface calls made direct based on type information"); |
| 130 | |
| 131 | for (size_t i = 0; i <= kMaxInvokeType; i++) { |
| 132 | std::ostringstream oss; |
| 133 | oss << static_cast<InvokeType>(i) << " methods were AOT resolved"; |
| 134 | DumpStat(resolved_methods_[i], unresolved_methods_[i], oss.str().c_str()); |
| 135 | if (virtual_made_direct_[i] > 0) { |
| 136 | std::ostringstream oss2; |
| 137 | oss2 << static_cast<InvokeType>(i) << " methods made direct"; |
| 138 | DumpStat(virtual_made_direct_[i], |
| 139 | resolved_methods_[i] + unresolved_methods_[i] - virtual_made_direct_[i], |
| 140 | oss2.str().c_str()); |
| 141 | } |
| 142 | if (direct_calls_to_boot_[i] > 0) { |
| 143 | std::ostringstream oss2; |
| 144 | oss2 << static_cast<InvokeType>(i) << " method calls are direct into boot"; |
| 145 | DumpStat(direct_calls_to_boot_[i], |
| 146 | resolved_methods_[i] + unresolved_methods_[i] - direct_calls_to_boot_[i], |
| 147 | oss2.str().c_str()); |
| 148 | } |
| 149 | if (direct_methods_to_boot_[i] > 0) { |
| 150 | std::ostringstream oss2; |
| 151 | oss2 << static_cast<InvokeType>(i) << " method calls have methods in boot"; |
| 152 | DumpStat(direct_methods_to_boot_[i], |
| 153 | resolved_methods_[i] + unresolved_methods_[i] - direct_methods_to_boot_[i], |
| 154 | oss2.str().c_str()); |
| 155 | } |
| 156 | } |
| 157 | } |
| 158 | |
| 159 | // Allow lossy statistics in non-debug builds. |
| 160 | #ifndef NDEBUG |
| 161 | #define STATS_LOCK() MutexLock mu(Thread::Current(), stats_lock_) |
| 162 | #else |
| 163 | #define STATS_LOCK() |
| 164 | #endif |
| 165 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 166 | void TypeDoesntNeedAccessCheck() REQUIRES(!stats_lock_) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 167 | STATS_LOCK(); |
| 168 | resolved_types_++; |
| 169 | } |
| 170 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 171 | void TypeNeedsAccessCheck() REQUIRES(!stats_lock_) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 172 | STATS_LOCK(); |
| 173 | unresolved_types_++; |
| 174 | } |
| 175 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 176 | void ResolvedInstanceField() REQUIRES(!stats_lock_) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 177 | STATS_LOCK(); |
| 178 | resolved_instance_fields_++; |
| 179 | } |
| 180 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 181 | void UnresolvedInstanceField() REQUIRES(!stats_lock_) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 182 | STATS_LOCK(); |
| 183 | unresolved_instance_fields_++; |
| 184 | } |
| 185 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 186 | void ResolvedLocalStaticField() REQUIRES(!stats_lock_) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 187 | STATS_LOCK(); |
| 188 | resolved_local_static_fields_++; |
| 189 | } |
| 190 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 191 | void ResolvedStaticField() REQUIRES(!stats_lock_) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 192 | STATS_LOCK(); |
| 193 | resolved_static_fields_++; |
| 194 | } |
| 195 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 196 | void UnresolvedStaticField() REQUIRES(!stats_lock_) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 197 | STATS_LOCK(); |
| 198 | unresolved_static_fields_++; |
| 199 | } |
| 200 | |
| 201 | // Indicate that type information from the verifier led to devirtualization. |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 202 | void PreciseTypeDevirtualization() REQUIRES(!stats_lock_) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 203 | STATS_LOCK(); |
| 204 | type_based_devirtualization_++; |
| 205 | } |
| 206 | |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 207 | // A check-cast could be eliminated due to verifier type analysis. |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 208 | void SafeCast() REQUIRES(!stats_lock_) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 209 | STATS_LOCK(); |
| 210 | safe_casts_++; |
| 211 | } |
| 212 | |
| 213 | // A check-cast couldn't be eliminated due to verifier type analysis. |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 214 | void NotASafeCast() REQUIRES(!stats_lock_) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 215 | STATS_LOCK(); |
| 216 | not_safe_casts_++; |
| 217 | } |
| 218 | |
| 219 | private: |
| 220 | Mutex stats_lock_; |
| 221 | |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 222 | size_t resolved_types_; |
| 223 | size_t unresolved_types_; |
| 224 | |
| 225 | size_t resolved_instance_fields_; |
| 226 | size_t unresolved_instance_fields_; |
| 227 | |
| 228 | size_t resolved_local_static_fields_; |
| 229 | size_t resolved_static_fields_; |
| 230 | size_t unresolved_static_fields_; |
| 231 | // Type based devirtualization for invoke interface and virtual. |
| 232 | size_t type_based_devirtualization_; |
| 233 | |
| 234 | size_t resolved_methods_[kMaxInvokeType + 1]; |
| 235 | size_t unresolved_methods_[kMaxInvokeType + 1]; |
| 236 | size_t virtual_made_direct_[kMaxInvokeType + 1]; |
| 237 | size_t direct_calls_to_boot_[kMaxInvokeType + 1]; |
| 238 | size_t direct_methods_to_boot_[kMaxInvokeType + 1]; |
| 239 | |
| 240 | size_t safe_casts_; |
| 241 | size_t not_safe_casts_; |
| 242 | |
| 243 | DISALLOW_COPY_AND_ASSIGN(AOTCompilationStats); |
| 244 | }; |
| 245 | |
Vladimir Marko | 492a7fa | 2016-06-01 18:38:43 +0100 | [diff] [blame] | 246 | class CompilerDriver::DexFileMethodSet { |
| 247 | public: |
| 248 | explicit DexFileMethodSet(const DexFile& dex_file) |
| 249 | : dex_file_(dex_file), |
| 250 | method_indexes_(dex_file.NumMethodIds(), false, Allocator::GetMallocAllocator()) { |
| 251 | } |
| 252 | DexFileMethodSet(DexFileMethodSet&& other) = default; |
| 253 | |
| 254 | const DexFile& GetDexFile() const { return dex_file_; } |
| 255 | |
| 256 | BitVector& GetMethodIndexes() { return method_indexes_; } |
| 257 | const BitVector& GetMethodIndexes() const { return method_indexes_; } |
| 258 | |
| 259 | private: |
| 260 | const DexFile& dex_file_; |
| 261 | BitVector method_indexes_; |
| 262 | }; |
| 263 | |
Jeff Hao | dcdc85b | 2015-12-04 14:06:18 -0800 | [diff] [blame] | 264 | CompilerDriver::CompilerDriver( |
| 265 | const CompilerOptions* compiler_options, |
| 266 | VerificationResults* verification_results, |
Jeff Hao | dcdc85b | 2015-12-04 14:06:18 -0800 | [diff] [blame] | 267 | Compiler::Kind compiler_kind, |
| 268 | InstructionSet instruction_set, |
| 269 | const InstructionSetFeatures* instruction_set_features, |
Vladimir Marko | 944da60 | 2016-02-19 12:27:55 +0000 | [diff] [blame] | 270 | std::unordered_set<std::string>* image_classes, |
Jeff Hao | dcdc85b | 2015-12-04 14:06:18 -0800 | [diff] [blame] | 271 | std::unordered_set<std::string>* compiled_classes, |
| 272 | std::unordered_set<std::string>* compiled_methods, |
Vladimir Marko | 944da60 | 2016-02-19 12:27:55 +0000 | [diff] [blame] | 273 | size_t thread_count, |
| 274 | bool dump_stats, |
| 275 | bool dump_passes, |
| 276 | CumulativeLogger* timer, |
| 277 | int swap_fd, |
Calin Juravle | 998c216 | 2015-12-21 15:39:33 +0200 | [diff] [blame] | 278 | const ProfileCompilationInfo* profile_compilation_info) |
Calin Juravle | 226501b | 2015-12-11 14:41:31 +0000 | [diff] [blame] | 279 | : compiler_options_(compiler_options), |
Brian Carlstrom | 6449c62 | 2014-02-10 23:48:36 -0800 | [diff] [blame] | 280 | verification_results_(verification_results), |
Ian Rogers | 72d3262 | 2014-05-06 16:20:11 -0700 | [diff] [blame] | 281 | compiler_(Compiler::Create(this, compiler_kind)), |
Jeff Hao | 48699fb | 2015-04-06 14:21:37 -0700 | [diff] [blame] | 282 | compiler_kind_(compiler_kind), |
Artem Serov | ba6b679 | 2016-08-15 14:22:07 +0100 | [diff] [blame] | 283 | instruction_set_(instruction_set == kArm ? kThumb2: instruction_set), |
Dave Allison | 7020278 | 2013-10-22 17:52:19 -0700 | [diff] [blame] | 284 | instruction_set_features_(instruction_set_features), |
Mathieu Chartier | c4ae916 | 2016-04-07 13:19:19 -0700 | [diff] [blame] | 285 | requires_constructor_barrier_lock_("constructor barrier lock"), |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 286 | compiled_classes_lock_("compiled classes lock"), |
| 287 | compiled_methods_lock_("compiled method lock"), |
Andreas Gampe | e21dc3d | 2014-12-08 16:59:43 -0800 | [diff] [blame] | 288 | compiled_methods_(MethodTable::key_compare()), |
Vladimir Marko | f4da675 | 2014-08-01 19:04:18 +0100 | [diff] [blame] | 289 | non_relative_linker_patch_count_(0u), |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 290 | image_classes_(image_classes), |
Andreas Gampe | 4bf3ae9 | 2014-11-11 13:28:29 -0800 | [diff] [blame] | 291 | classes_to_compile_(compiled_classes), |
Andreas Gampe | 70bef0d | 2015-04-15 02:37:28 -0700 | [diff] [blame] | 292 | methods_to_compile_(compiled_methods), |
Andreas Gampe | 6cf49e5 | 2015-03-05 13:08:45 -0800 | [diff] [blame] | 293 | had_hard_verifier_failure_(false), |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 294 | parallel_thread_count_(thread_count), |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 295 | stats_(new AOTCompilationStats), |
| 296 | dump_stats_(dump_stats), |
Nicolas Geoffray | ea3fa0b | 2014-02-10 11:59:41 +0000 | [diff] [blame] | 297 | dump_passes_(dump_passes), |
| 298 | timings_logger_(timer), |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 299 | compiler_context_(nullptr), |
Alexey Frunze | e3fb245 | 2016-05-10 16:08:05 -0700 | [diff] [blame] | 300 | support_boot_image_fixup_(instruction_set != kMips64), |
Vladimir Marko | d1eaf0d | 2015-10-29 12:18:29 +0000 | [diff] [blame] | 301 | dex_files_for_oat_file_(nullptr), |
Calin Juravle | 998c216 | 2015-12-21 15:39:33 +0200 | [diff] [blame] | 302 | compiled_method_storage_(swap_fd), |
Calin Juravle | 6915898 | 2016-03-16 11:53:41 +0000 | [diff] [blame] | 303 | profile_compilation_info_(profile_compilation_info), |
Vladimir Marko | 492a7fa | 2016-06-01 18:38:43 +0100 | [diff] [blame] | 304 | max_arena_alloc_(0), |
| 305 | dex_to_dex_references_lock_("dex-to-dex references lock"), |
| 306 | dex_to_dex_references_(), |
| 307 | current_dex_to_dex_methods_(nullptr) { |
Brian Carlstrom | 6449c62 | 2014-02-10 23:48:36 -0800 | [diff] [blame] | 308 | DCHECK(compiler_options_ != nullptr); |
Brian Carlstrom | 2ce745c | 2013-07-17 17:44:30 -0700 | [diff] [blame] | 309 | |
Ian Rogers | 72d3262 | 2014-05-06 16:20:11 -0700 | [diff] [blame] | 310 | compiler_->Init(); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 311 | |
Mathieu Chartier | a807780 | 2016-03-16 19:08:31 -0700 | [diff] [blame] | 312 | if (compiler_options->VerifyOnlyProfile()) { |
| 313 | CHECK(profile_compilation_info_ != nullptr) << "Requires profile"; |
| 314 | } |
Vladimir Marko | aad75c6 | 2016-10-03 08:46:48 +0000 | [diff] [blame] | 315 | if (GetCompilerOptions().IsBootImage()) { |
Mathieu Chartier | c5dd319 | 2015-12-09 16:38:30 -0800 | [diff] [blame] | 316 | CHECK(image_classes_.get() != nullptr) << "Expected image classes for boot image"; |
| 317 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 318 | } |
| 319 | |
| 320 | CompilerDriver::~CompilerDriver() { |
| 321 | Thread* self = Thread::Current(); |
| 322 | { |
| 323 | MutexLock mu(self, compiled_classes_lock_); |
| 324 | STLDeleteValues(&compiled_classes_); |
| 325 | } |
| 326 | { |
| 327 | MutexLock mu(self, compiled_methods_lock_); |
Andreas Gampe | e21dc3d | 2014-12-08 16:59:43 -0800 | [diff] [blame] | 328 | for (auto& pair : compiled_methods_) { |
| 329 | CompiledMethod::ReleaseSwapAllocatedCompiledMethod(this, pair.second); |
| 330 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 331 | } |
Ian Rogers | 72d3262 | 2014-05-06 16:20:11 -0700 | [diff] [blame] | 332 | compiler_->UnInit(); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 333 | } |
| 334 | |
Vladimir Marko | 35831e8 | 2015-09-11 11:59:18 +0100 | [diff] [blame] | 335 | |
Ian Rogers | dd7624d | 2014-03-14 17:43:00 -0700 | [diff] [blame] | 336 | #define CREATE_TRAMPOLINE(type, abi, offset) \ |
Andreas Gampe | af13ad9 | 2014-04-11 12:07:48 -0700 | [diff] [blame] | 337 | if (Is64BitInstructionSet(instruction_set_)) { \ |
Ian Rogers | dd7624d | 2014-03-14 17:43:00 -0700 | [diff] [blame] | 338 | return CreateTrampoline64(instruction_set_, abi, \ |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 339 | type ## _ENTRYPOINT_OFFSET(PointerSize::k64, offset)); \ |
Ian Rogers | dd7624d | 2014-03-14 17:43:00 -0700 | [diff] [blame] | 340 | } else { \ |
| 341 | return CreateTrampoline32(instruction_set_, abi, \ |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 342 | type ## _ENTRYPOINT_OFFSET(PointerSize::k32, offset)); \ |
Ian Rogers | dd7624d | 2014-03-14 17:43:00 -0700 | [diff] [blame] | 343 | } |
| 344 | |
Vladimir Marko | 93205e3 | 2016-04-13 11:59:46 +0100 | [diff] [blame] | 345 | std::unique_ptr<const std::vector<uint8_t>> CompilerDriver::CreateJniDlsymLookup() const { |
Ian Rogers | dd7624d | 2014-03-14 17:43:00 -0700 | [diff] [blame] | 346 | CREATE_TRAMPOLINE(JNI, kJniAbi, pDlsymLookup) |
Ian Rogers | 848871b | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 347 | } |
| 348 | |
Vladimir Marko | 93205e3 | 2016-04-13 11:59:46 +0100 | [diff] [blame] | 349 | std::unique_ptr<const std::vector<uint8_t>> CompilerDriver::CreateQuickGenericJniTrampoline() |
| 350 | const { |
Ian Rogers | dd7624d | 2014-03-14 17:43:00 -0700 | [diff] [blame] | 351 | CREATE_TRAMPOLINE(QUICK, kQuickAbi, pQuickGenericJniTrampoline) |
Andreas Gampe | 2da8823 | 2014-02-27 12:26:20 -0800 | [diff] [blame] | 352 | } |
| 353 | |
Vladimir Marko | 93205e3 | 2016-04-13 11:59:46 +0100 | [diff] [blame] | 354 | std::unique_ptr<const std::vector<uint8_t>> CompilerDriver::CreateQuickImtConflictTrampoline() |
| 355 | const { |
Ian Rogers | dd7624d | 2014-03-14 17:43:00 -0700 | [diff] [blame] | 356 | CREATE_TRAMPOLINE(QUICK, kQuickAbi, pQuickImtConflictTrampoline) |
Jeff Hao | 88474b4 | 2013-10-23 16:24:40 -0700 | [diff] [blame] | 357 | } |
| 358 | |
Vladimir Marko | 93205e3 | 2016-04-13 11:59:46 +0100 | [diff] [blame] | 359 | std::unique_ptr<const std::vector<uint8_t>> CompilerDriver::CreateQuickResolutionTrampoline() |
| 360 | const { |
Ian Rogers | dd7624d | 2014-03-14 17:43:00 -0700 | [diff] [blame] | 361 | CREATE_TRAMPOLINE(QUICK, kQuickAbi, pQuickResolutionTrampoline) |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 362 | } |
| 363 | |
Vladimir Marko | 93205e3 | 2016-04-13 11:59:46 +0100 | [diff] [blame] | 364 | std::unique_ptr<const std::vector<uint8_t>> CompilerDriver::CreateQuickToInterpreterBridge() |
| 365 | const { |
Ian Rogers | dd7624d | 2014-03-14 17:43:00 -0700 | [diff] [blame] | 366 | CREATE_TRAMPOLINE(QUICK, kQuickAbi, pQuickToInterpreterBridge) |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 367 | } |
Ian Rogers | dd7624d | 2014-03-14 17:43:00 -0700 | [diff] [blame] | 368 | #undef CREATE_TRAMPOLINE |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 369 | |
Nicolas Geoffray | 762869d | 2016-07-15 15:28:35 +0100 | [diff] [blame] | 370 | static void SetupIntrinsic(Thread* self, |
| 371 | Intrinsics intrinsic, |
| 372 | InvokeType invoke_type, |
| 373 | const char* class_name, |
| 374 | const char* method_name, |
| 375 | const char* signature) |
| 376 | REQUIRES_SHARED(Locks::mutator_lock_) { |
| 377 | ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); |
| 378 | PointerSize image_size = class_linker->GetImagePointerSize(); |
| 379 | mirror::Class* cls = class_linker->FindSystemClass(self, class_name); |
| 380 | if (cls == nullptr) { |
| 381 | LOG(FATAL) << "Could not find class of intrinsic " << class_name; |
| 382 | } |
| 383 | ArtMethod* method = (invoke_type == kStatic || invoke_type == kDirect) |
| 384 | ? cls->FindDeclaredDirectMethod(method_name, signature, image_size) |
| 385 | : cls->FindDeclaredVirtualMethod(method_name, signature, image_size); |
| 386 | if (method == nullptr) { |
Nicolas Geoffray | b20f1fe | 2016-10-03 13:57:40 +0100 | [diff] [blame] | 387 | LOG(FATAL) << "Could not find method of intrinsic " |
| 388 | << class_name << " " << method_name << " " << signature; |
Nicolas Geoffray | 762869d | 2016-07-15 15:28:35 +0100 | [diff] [blame] | 389 | } |
| 390 | DCHECK_EQ(method->GetInvokeType(), invoke_type); |
| 391 | method->SetIntrinsic(static_cast<uint32_t>(intrinsic)); |
| 392 | } |
| 393 | |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 394 | void CompilerDriver::CompileAll(jobject class_loader, |
Brian Carlstrom | 4560248 | 2013-07-21 22:07:55 -0700 | [diff] [blame] | 395 | const std::vector<const DexFile*>& dex_files, |
Ian Rogers | 3d50407 | 2014-03-01 09:16:49 -0800 | [diff] [blame] | 396 | TimingLogger* timings) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 397 | DCHECK(!Runtime::Current()->IsStarted()); |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 398 | |
| 399 | InitializeThreadPools(); |
| 400 | |
Andreas Gampe | 8d295f8 | 2015-01-20 14:50:21 -0800 | [diff] [blame] | 401 | VLOG(compiler) << "Before precompile " << GetMemoryUsageString(false); |
Andreas Gampe | 740667a | 2015-09-15 17:55:06 -0700 | [diff] [blame] | 402 | // Precompile: |
| 403 | // 1) Load image classes |
| 404 | // 2) Resolve all classes |
| 405 | // 3) Attempt to verify all classes |
| 406 | // 4) Attempt to initialize image classes, and trivially initialized classes |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 407 | PreCompile(class_loader, dex_files, timings); |
Vladimir Marko | aad75c6 | 2016-10-03 08:46:48 +0000 | [diff] [blame] | 408 | if (GetCompilerOptions().IsBootImage()) { |
Nicolas Geoffray | 762869d | 2016-07-15 15:28:35 +0100 | [diff] [blame] | 409 | // We don't need to setup the intrinsics for non boot image compilation, as |
| 410 | // those compilations will pick up a boot image that have the ArtMethod already |
| 411 | // set with the intrinsics flag. |
| 412 | ScopedObjectAccess soa(Thread::Current()); |
Nicolas Geoffray | b20f1fe | 2016-10-03 13:57:40 +0100 | [diff] [blame] | 413 | #define SETUP_INTRINSICS(Name, InvokeType, NeedsEnvironmentOrCache, SideEffects, Exceptions, \ |
| 414 | ClassName, MethodName, Signature) \ |
Nicolas Geoffray | 762869d | 2016-07-15 15:28:35 +0100 | [diff] [blame] | 415 | SetupIntrinsic(soa.Self(), Intrinsics::k##Name, InvokeType, ClassName, MethodName, Signature); |
| 416 | #include "intrinsics_list.h" |
Nicolas Geoffray | b20f1fe | 2016-10-03 13:57:40 +0100 | [diff] [blame] | 417 | INTRINSICS_LIST(SETUP_INTRINSICS) |
Nicolas Geoffray | 762869d | 2016-07-15 15:28:35 +0100 | [diff] [blame] | 418 | #undef INTRINSICS_LIST |
Nicolas Geoffray | b20f1fe | 2016-10-03 13:57:40 +0100 | [diff] [blame] | 419 | #undef SETUP_INTRINSICS |
Nicolas Geoffray | 762869d | 2016-07-15 15:28:35 +0100 | [diff] [blame] | 420 | } |
Andreas Gampe | 740667a | 2015-09-15 17:55:06 -0700 | [diff] [blame] | 421 | // Compile: |
| 422 | // 1) Compile all classes and methods enabled for compilation. May fall back to dex-to-dex |
| 423 | // compilation. |
| 424 | if (!GetCompilerOptions().VerifyAtRuntime()) { |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 425 | Compile(class_loader, dex_files, timings); |
Andreas Gampe | 740667a | 2015-09-15 17:55:06 -0700 | [diff] [blame] | 426 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 427 | if (dump_stats_) { |
| 428 | stats_->Dump(); |
| 429 | } |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 430 | |
| 431 | FreeThreadPools(); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 432 | } |
| 433 | |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 434 | static optimizer::DexToDexCompilationLevel GetDexToDexCompilationLevel( |
| 435 | Thread* self, const CompilerDriver& driver, Handle<mirror::ClassLoader> class_loader, |
| 436 | const DexFile& dex_file, const DexFile::ClassDef& class_def) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 437 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Mathieu Chartier | e5f13e5 | 2015-02-24 09:37:21 -0800 | [diff] [blame] | 438 | auto* const runtime = Runtime::Current(); |
Calin Juravle | ffc8707 | 2016-04-20 14:22:09 +0100 | [diff] [blame] | 439 | if (runtime->UseJitCompilation() || driver.GetCompilerOptions().VerifyAtRuntime()) { |
Mathieu Chartier | e86deef | 2015-03-19 13:43:37 -0700 | [diff] [blame] | 440 | // Verify at runtime shouldn't dex to dex since we didn't resolve of verify. |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 441 | return optimizer::DexToDexCompilationLevel::kDontDexToDexCompile; |
Mathieu Chartier | e5f13e5 | 2015-02-24 09:37:21 -0800 | [diff] [blame] | 442 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 443 | const char* descriptor = dex_file.GetClassDescriptor(class_def); |
Mathieu Chartier | e5f13e5 | 2015-02-24 09:37:21 -0800 | [diff] [blame] | 444 | ClassLinker* class_linker = runtime->GetClassLinker(); |
Ian Rogers | 9837939 | 2014-02-24 16:53:16 -0800 | [diff] [blame] | 445 | mirror::Class* klass = class_linker->FindClass(self, descriptor, class_loader); |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 446 | if (klass == nullptr) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 447 | CHECK(self->IsExceptionPending()); |
| 448 | self->ClearException(); |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 449 | return optimizer::DexToDexCompilationLevel::kDontDexToDexCompile; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 450 | } |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 451 | // DexToDex at the kOptimize level may introduce quickened opcodes, which replace symbolic |
| 452 | // references with actual offsets. We cannot re-verify such instructions. |
| 453 | // |
| 454 | // We store the verification information in the class status in the oat file, which the linker |
| 455 | // can validate (checksums) and use to skip load-time verification. It is thus safe to |
| 456 | // optimize when a class has been fully verified before. |
| 457 | if (klass->IsVerified()) { |
Sebastien Hertz | 7502122 | 2013-07-16 18:34:50 +0200 | [diff] [blame] | 458 | // Class is verified so we can enable DEX-to-DEX compilation for performance. |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 459 | return optimizer::DexToDexCompilationLevel::kOptimize; |
Sebastien Hertz | 7502122 | 2013-07-16 18:34:50 +0200 | [diff] [blame] | 460 | } else if (klass->IsCompileTimeVerified()) { |
| 461 | // Class verification has soft-failed. Anyway, ensure at least correctness. |
| 462 | DCHECK_EQ(klass->GetStatus(), mirror::Class::kStatusRetryVerificationAtRuntime); |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 463 | return optimizer::DexToDexCompilationLevel::kRequired; |
Sebastien Hertz | 7502122 | 2013-07-16 18:34:50 +0200 | [diff] [blame] | 464 | } else { |
| 465 | // Class verification has failed: do not run DEX-to-DEX compilation. |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 466 | return optimizer::DexToDexCompilationLevel::kDontDexToDexCompile; |
| 467 | } |
| 468 | } |
| 469 | |
| 470 | static optimizer::DexToDexCompilationLevel GetDexToDexCompilationLevel( |
| 471 | Thread* self, |
| 472 | const CompilerDriver& driver, |
| 473 | jobject jclass_loader, |
| 474 | const DexFile& dex_file, |
| 475 | const DexFile::ClassDef& class_def) { |
| 476 | ScopedObjectAccess soa(self); |
| 477 | StackHandleScope<1> hs(soa.Self()); |
| 478 | Handle<mirror::ClassLoader> class_loader( |
Mathieu Chartier | 0795f23 | 2016-09-27 18:43:30 -0700 | [diff] [blame] | 479 | hs.NewHandle(soa.Decode<mirror::ClassLoader>(jclass_loader))); |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 480 | return GetDexToDexCompilationLevel(self, driver, class_loader, dex_file, class_def); |
| 481 | } |
| 482 | |
| 483 | // Does the runtime for the InstructionSet provide an implementation returned by |
| 484 | // GetQuickGenericJniStub allowing down calls that aren't compiled using a JNI compiler? |
| 485 | static bool InstructionSetHasGenericJniStub(InstructionSet isa) { |
| 486 | switch (isa) { |
| 487 | case kArm: |
| 488 | case kArm64: |
| 489 | case kThumb2: |
| 490 | case kMips: |
| 491 | case kMips64: |
| 492 | case kX86: |
| 493 | case kX86_64: return true; |
| 494 | default: return false; |
| 495 | } |
| 496 | } |
| 497 | |
| 498 | static void CompileMethod(Thread* self, |
| 499 | CompilerDriver* driver, |
| 500 | const DexFile::CodeItem* code_item, |
| 501 | uint32_t access_flags, |
| 502 | InvokeType invoke_type, |
| 503 | uint16_t class_def_idx, |
| 504 | uint32_t method_idx, |
| 505 | jobject class_loader, |
| 506 | const DexFile& dex_file, |
| 507 | optimizer::DexToDexCompilationLevel dex_to_dex_compilation_level, |
Mathieu Chartier | 736b560 | 2015-09-02 14:54:11 -0700 | [diff] [blame] | 508 | bool compilation_enabled, |
| 509 | Handle<mirror::DexCache> dex_cache) |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 510 | REQUIRES(!driver->compiled_methods_lock_) { |
| 511 | DCHECK(driver != nullptr); |
| 512 | CompiledMethod* compiled_method = nullptr; |
| 513 | uint64_t start_ns = kTimeCompileMethod ? NanoTime() : 0; |
| 514 | MethodReference method_ref(&dex_file, method_idx); |
| 515 | |
Vladimir Marko | 492a7fa | 2016-06-01 18:38:43 +0100 | [diff] [blame] | 516 | if (driver->GetCurrentDexToDexMethods() != nullptr) { |
| 517 | // This is the second pass when we dex-to-dex compile previously marked methods. |
| 518 | // TODO: Refactor the compilation to avoid having to distinguish the two passes |
| 519 | // here. That should be done on a higher level. http://b/29089975 |
| 520 | if (driver->GetCurrentDexToDexMethods()->IsBitSet(method_idx)) { |
| 521 | const VerifiedMethod* verified_method = |
| 522 | driver->GetVerificationResults()->GetVerifiedMethod(method_ref); |
| 523 | // Do not optimize if a VerifiedMethod is missing. SafeCast elision, |
| 524 | // for example, relies on it. |
| 525 | compiled_method = optimizer::ArtCompileDEX( |
| 526 | driver, |
| 527 | code_item, |
| 528 | access_flags, |
| 529 | invoke_type, |
| 530 | class_def_idx, |
| 531 | method_idx, |
| 532 | class_loader, |
| 533 | dex_file, |
| 534 | (verified_method != nullptr) |
| 535 | ? dex_to_dex_compilation_level |
| 536 | : optimizer::DexToDexCompilationLevel::kRequired); |
| 537 | } |
| 538 | } else if ((access_flags & kAccNative) != 0) { |
Igor Murashkin | 9aa9fa2 | 2016-09-26 10:10:17 -0700 | [diff] [blame] | 539 | const InstructionSet instruction_set = driver->GetInstructionSet(); |
| 540 | const bool use_generic_jni = |
| 541 | // Are we extracting only and have support for generic JNI down calls? |
| 542 | (!driver->GetCompilerOptions().IsJniCompilationEnabled() && |
| 543 | InstructionSetHasGenericJniStub(instruction_set)) || |
| 544 | // Always punt to generic JNI for MIPS because of no support for @CriticalNative. b/31743474 |
| 545 | (instruction_set == kMips || instruction_set == kMips64); |
| 546 | if (use_generic_jni) { |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 547 | // Leaving this empty will trigger the generic JNI version |
| 548 | } else { |
Igor Murashkin | 9d4b6da | 2016-07-29 09:51:58 -0700 | [diff] [blame] | 549 | // Look-up the ArtMethod associated with this code_item (if any) |
| 550 | // -- It is later used to lookup any [optimization] annotations for this method. |
| 551 | ScopedObjectAccess soa(self); |
| 552 | StackHandleScope<1> hs(soa.Self()); |
| 553 | Handle<mirror::ClassLoader> class_loader_handle(hs.NewHandle( |
Mathieu Chartier | 0795f23 | 2016-09-27 18:43:30 -0700 | [diff] [blame] | 554 | soa.Decode<mirror::ClassLoader>(class_loader))); |
Igor Murashkin | 9d4b6da | 2016-07-29 09:51:58 -0700 | [diff] [blame] | 555 | |
| 556 | // TODO: Lookup annotation from DexFile directly without resolving method. |
| 557 | ArtMethod* method = |
| 558 | Runtime::Current()->GetClassLinker()->ResolveMethod<ClassLinker::kNoICCECheckForCache>( |
| 559 | dex_file, |
| 560 | method_idx, |
| 561 | dex_cache, |
| 562 | class_loader_handle, |
| 563 | /* referrer */ nullptr, |
| 564 | invoke_type); |
| 565 | |
Igor Murashkin | 367f3dd | 2016-09-01 17:00:24 -0700 | [diff] [blame] | 566 | // Query any JNI optimization annotations such as @FastNative or @CriticalNative. |
| 567 | Compiler::JniOptimizationFlags optimization_flags = Compiler::kNone; |
| 568 | if (UNLIKELY(method == nullptr)) { |
Igor Murashkin | 9d4b6da | 2016-07-29 09:51:58 -0700 | [diff] [blame] | 569 | // Failed method resolutions happen very rarely, e.g. ancestor class cannot be resolved. |
| 570 | DCHECK(self->IsExceptionPending()); |
| 571 | self->ClearException(); |
Igor Murashkin | 367f3dd | 2016-09-01 17:00:24 -0700 | [diff] [blame] | 572 | } else if (method->IsAnnotatedWithFastNative()) { |
| 573 | // TODO: Will no longer need this CHECK once we have verifier checking this. |
| 574 | CHECK(!method->IsAnnotatedWithCriticalNative()); |
| 575 | optimization_flags = Compiler::kFastNative; |
| 576 | } else if (method->IsAnnotatedWithCriticalNative()) { |
| 577 | // TODO: Will no longer need this CHECK once we have verifier checking this. |
| 578 | CHECK(!method->IsAnnotatedWithFastNative()); |
| 579 | optimization_flags = Compiler::kCriticalNative; |
Igor Murashkin | 9d4b6da | 2016-07-29 09:51:58 -0700 | [diff] [blame] | 580 | } |
| 581 | |
Igor Murashkin | 9d4b6da | 2016-07-29 09:51:58 -0700 | [diff] [blame] | 582 | compiled_method = driver->GetCompiler()->JniCompile(access_flags, |
| 583 | method_idx, |
| 584 | dex_file, |
| 585 | optimization_flags); |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 586 | CHECK(compiled_method != nullptr); |
| 587 | } |
| 588 | } else if ((access_flags & kAccAbstract) != 0) { |
| 589 | // Abstract methods don't have code. |
Nicolas Geoffray | d28b969 | 2015-11-04 14:36:55 +0000 | [diff] [blame] | 590 | } else { |
Andreas Gampe | 0760a81 | 2015-08-26 17:12:51 -0700 | [diff] [blame] | 591 | const VerifiedMethod* verified_method = |
| 592 | driver->GetVerificationResults()->GetVerifiedMethod(method_ref); |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 593 | bool compile = compilation_enabled && |
| 594 | // Basic checks, e.g., not <clinit>. |
| 595 | driver->GetVerificationResults() |
| 596 | ->IsCandidateForCompilation(method_ref, access_flags) && |
| 597 | // Did not fail to create VerifiedMethod metadata. |
Andreas Gampe | 0760a81 | 2015-08-26 17:12:51 -0700 | [diff] [blame] | 598 | verified_method != nullptr && |
| 599 | // Do not have failures that should punt to the interpreter. |
| 600 | !verified_method->HasRuntimeThrow() && |
| 601 | (verified_method->GetEncounteredVerificationFailures() & |
Andreas Gampe | a727e37 | 2015-08-25 09:22:37 -0700 | [diff] [blame] | 602 | (verifier::VERIFY_ERROR_FORCE_INTERPRETER | verifier::VERIFY_ERROR_LOCKING)) == 0 && |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 603 | // Is eligable for compilation by methods-to-compile filter. |
Calin Juravle | 226501b | 2015-12-11 14:41:31 +0000 | [diff] [blame] | 604 | driver->IsMethodToCompile(method_ref) && |
| 605 | driver->ShouldCompileBasedOnProfile(method_ref); |
| 606 | |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 607 | if (compile) { |
| 608 | // NOTE: if compiler declines to compile this method, it will return null. |
| 609 | compiled_method = driver->GetCompiler()->Compile(code_item, access_flags, invoke_type, |
| 610 | class_def_idx, method_idx, class_loader, |
Mathieu Chartier | 736b560 | 2015-09-02 14:54:11 -0700 | [diff] [blame] | 611 | dex_file, dex_cache); |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 612 | } |
| 613 | if (compiled_method == nullptr && |
| 614 | dex_to_dex_compilation_level != optimizer::DexToDexCompilationLevel::kDontDexToDexCompile) { |
Vladimir Marko | 492a7fa | 2016-06-01 18:38:43 +0100 | [diff] [blame] | 615 | DCHECK(!Runtime::Current()->UseJitCompilation()); |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 616 | // TODO: add a command-line option to disable DEX-to-DEX compilation ? |
Vladimir Marko | 492a7fa | 2016-06-01 18:38:43 +0100 | [diff] [blame] | 617 | driver->MarkForDexToDexCompilation(self, method_ref); |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 618 | } |
| 619 | } |
| 620 | if (kTimeCompileMethod) { |
| 621 | uint64_t duration_ns = NanoTime() - start_ns; |
| 622 | if (duration_ns > MsToNs(driver->GetCompiler()->GetMaximumCompilationTimeBeforeWarning())) { |
David Sehr | 709b070 | 2016-10-13 09:12:37 -0700 | [diff] [blame] | 623 | LOG(WARNING) << "Compilation of " << dex_file.PrettyMethod(method_idx) |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 624 | << " took " << PrettyDuration(duration_ns); |
| 625 | } |
| 626 | } |
| 627 | |
| 628 | if (compiled_method != nullptr) { |
| 629 | // Count non-relative linker patches. |
| 630 | size_t non_relative_linker_patch_count = 0u; |
| 631 | for (const LinkerPatch& patch : compiled_method->GetPatches()) { |
| 632 | if (!patch.IsPcRelative()) { |
| 633 | ++non_relative_linker_patch_count; |
| 634 | } |
| 635 | } |
| 636 | bool compile_pic = driver->GetCompilerOptions().GetCompilePic(); // Off by default |
| 637 | // When compiling with PIC, there should be zero non-relative linker patches |
| 638 | CHECK(!compile_pic || non_relative_linker_patch_count == 0u); |
| 639 | |
| 640 | driver->AddCompiledMethod(method_ref, compiled_method, non_relative_linker_patch_count); |
| 641 | } |
| 642 | |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 643 | if (self->IsExceptionPending()) { |
| 644 | ScopedObjectAccess soa(self); |
David Sehr | 709b070 | 2016-10-13 09:12:37 -0700 | [diff] [blame] | 645 | LOG(FATAL) << "Unexpected exception compiling: " << dex_file.PrettyMethod(method_idx) << "\n" |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 646 | << self->GetException()->Dump(); |
Sebastien Hertz | 7502122 | 2013-07-16 18:34:50 +0200 | [diff] [blame] | 647 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 648 | } |
| 649 | |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 650 | void CompilerDriver::CompileOne(Thread* self, ArtMethod* method, TimingLogger* timings) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 651 | DCHECK(!Runtime::Current()->IsStarted()); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 652 | jobject jclass_loader; |
| 653 | const DexFile* dex_file; |
Ian Rogers | 8b2c0b9 | 2013-09-19 02:56:49 -0700 | [diff] [blame] | 654 | uint16_t class_def_idx; |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 655 | uint32_t method_idx = method->GetDexMethodIndex(); |
| 656 | uint32_t access_flags = method->GetAccessFlags(); |
| 657 | InvokeType invoke_type = method->GetInvokeType(); |
Mathieu Chartier | 736b560 | 2015-09-02 14:54:11 -0700 | [diff] [blame] | 658 | StackHandleScope<1> hs(self); |
| 659 | Handle<mirror::DexCache> dex_cache(hs.NewHandle(method->GetDexCache())); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 660 | { |
| 661 | ScopedObjectAccessUnchecked soa(self); |
Mathieu Chartier | e5f13e5 | 2015-02-24 09:37:21 -0800 | [diff] [blame] | 662 | ScopedLocalRef<jobject> local_class_loader( |
| 663 | soa.Env(), soa.AddLocalReference<jobject>(method->GetDeclaringClass()->GetClassLoader())); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 664 | jclass_loader = soa.Env()->NewGlobalRef(local_class_loader.get()); |
| 665 | // Find the dex_file |
Mathieu Chartier | bfd9a43 | 2014-05-21 17:43:44 -0700 | [diff] [blame] | 666 | dex_file = method->GetDexFile(); |
| 667 | class_def_idx = method->GetClassDefIndex(); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 668 | } |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 669 | const DexFile::CodeItem* code_item = dex_file->GetCodeItem(method->GetCodeItemOffset()); |
Mathieu Chartier | 736b560 | 2015-09-02 14:54:11 -0700 | [diff] [blame] | 670 | |
| 671 | // Go to native so that we don't block GC during compilation. |
Mathieu Chartier | f1d666e | 2015-09-03 16:13:34 -0700 | [diff] [blame] | 672 | ScopedThreadSuspension sts(self, kNative); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 673 | |
| 674 | std::vector<const DexFile*> dex_files; |
| 675 | dex_files.push_back(dex_file); |
| 676 | |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 677 | InitializeThreadPools(); |
| 678 | |
| 679 | PreCompile(jclass_loader, dex_files, timings); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 680 | |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 681 | // Can we run DEX-to-DEX compiler on this class ? |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 682 | optimizer::DexToDexCompilationLevel dex_to_dex_compilation_level = |
| 683 | GetDexToDexCompilationLevel(self, |
| 684 | *this, |
| 685 | jclass_loader, |
| 686 | *dex_file, |
| 687 | dex_file->GetClassDef(class_def_idx)); |
| 688 | |
Vladimir Marko | 492a7fa | 2016-06-01 18:38:43 +0100 | [diff] [blame] | 689 | DCHECK(current_dex_to_dex_methods_ == nullptr); |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 690 | CompileMethod(self, |
| 691 | this, |
| 692 | code_item, |
| 693 | access_flags, |
| 694 | invoke_type, |
| 695 | class_def_idx, |
| 696 | method_idx, |
| 697 | jclass_loader, |
| 698 | *dex_file, |
| 699 | dex_to_dex_compilation_level, |
Mathieu Chartier | 736b560 | 2015-09-02 14:54:11 -0700 | [diff] [blame] | 700 | true, |
| 701 | dex_cache); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 702 | |
Vladimir Marko | 492a7fa | 2016-06-01 18:38:43 +0100 | [diff] [blame] | 703 | ArrayRef<DexFileMethodSet> dex_to_dex_references; |
| 704 | { |
| 705 | // From this point on, we shall not modify dex_to_dex_references_, so |
| 706 | // just grab a reference to it that we use without holding the mutex. |
| 707 | MutexLock lock(Thread::Current(), dex_to_dex_references_lock_); |
| 708 | dex_to_dex_references = ArrayRef<DexFileMethodSet>(dex_to_dex_references_); |
| 709 | } |
| 710 | if (!dex_to_dex_references.empty()) { |
| 711 | DCHECK_EQ(dex_to_dex_references.size(), 1u); |
| 712 | DCHECK(&dex_to_dex_references[0].GetDexFile() == dex_file); |
| 713 | current_dex_to_dex_methods_ = &dex_to_dex_references.front().GetMethodIndexes(); |
| 714 | DCHECK(current_dex_to_dex_methods_->IsBitSet(method_idx)); |
| 715 | DCHECK_EQ(current_dex_to_dex_methods_->NumSetBits(), 1u); |
| 716 | CompileMethod(self, |
| 717 | this, |
| 718 | code_item, |
| 719 | access_flags, |
| 720 | invoke_type, |
| 721 | class_def_idx, |
| 722 | method_idx, |
| 723 | jclass_loader, |
| 724 | *dex_file, |
| 725 | dex_to_dex_compilation_level, |
| 726 | true, |
| 727 | dex_cache); |
| 728 | current_dex_to_dex_methods_ = nullptr; |
| 729 | } |
| 730 | |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 731 | FreeThreadPools(); |
| 732 | |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 733 | self->GetJniEnv()->DeleteGlobalRef(jclass_loader); |
Mathieu Chartier | 2535abe | 2015-02-17 10:38:49 -0800 | [diff] [blame] | 734 | } |
| 735 | |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 736 | void CompilerDriver::Resolve(jobject class_loader, |
| 737 | const std::vector<const DexFile*>& dex_files, |
| 738 | TimingLogger* timings) { |
| 739 | // Resolution allocates classes and needs to run single-threaded to be deterministic. |
| 740 | bool force_determinism = GetCompilerOptions().IsForceDeterminism(); |
| 741 | ThreadPool* resolve_thread_pool = force_determinism |
| 742 | ? single_thread_pool_.get() |
| 743 | : parallel_thread_pool_.get(); |
| 744 | size_t resolve_thread_count = force_determinism ? 1U : parallel_thread_count_; |
| 745 | |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 746 | for (size_t i = 0; i != dex_files.size(); ++i) { |
| 747 | const DexFile* dex_file = dex_files[i]; |
Kenny Root | d518534 | 2014-05-13 14:47:05 -0700 | [diff] [blame] | 748 | CHECK(dex_file != nullptr); |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 749 | ResolveDexFile(class_loader, |
| 750 | *dex_file, |
| 751 | dex_files, |
| 752 | resolve_thread_pool, |
| 753 | resolve_thread_count, |
| 754 | timings); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 755 | } |
| 756 | } |
| 757 | |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 758 | // Resolve const-strings in the code. Done to have deterministic allocation behavior. Right now |
| 759 | // this is single-threaded for simplicity. |
| 760 | // TODO: Collect the relevant string indices in parallel, then allocate them sequentially in a |
| 761 | // stable order. |
| 762 | |
Nicolas Geoffray | 571d234 | 2016-10-12 13:03:15 +0000 | [diff] [blame] | 763 | static void ResolveConstStrings(Handle<mirror::DexCache> dex_cache, |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 764 | const DexFile& dex_file, |
Nicolas Geoffray | 571d234 | 2016-10-12 13:03:15 +0000 | [diff] [blame] | 765 | const DexFile::CodeItem* code_item) |
| 766 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 767 | if (code_item == nullptr) { |
| 768 | // Abstract or native method. |
| 769 | return; |
| 770 | } |
| 771 | |
| 772 | const uint16_t* code_ptr = code_item->insns_; |
| 773 | const uint16_t* code_end = code_item->insns_ + code_item->insns_size_in_code_units_; |
Nicolas Geoffray | 571d234 | 2016-10-12 13:03:15 +0000 | [diff] [blame] | 774 | ClassLinker* const class_linker = Runtime::Current()->GetClassLinker(); |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 775 | |
| 776 | while (code_ptr < code_end) { |
| 777 | const Instruction* inst = Instruction::At(code_ptr); |
| 778 | switch (inst->Opcode()) { |
Nicolas Geoffray | 571d234 | 2016-10-12 13:03:15 +0000 | [diff] [blame] | 779 | case Instruction::CONST_STRING: |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 780 | case Instruction::CONST_STRING_JUMBO: { |
Nicolas Geoffray | 571d234 | 2016-10-12 13:03:15 +0000 | [diff] [blame] | 781 | uint32_t string_index = (inst->Opcode() == Instruction::CONST_STRING) |
| 782 | ? inst->VRegB_21c() |
| 783 | : inst->VRegB_31c(); |
| 784 | mirror::String* string = class_linker->ResolveString(dex_file, string_index, dex_cache); |
| 785 | CHECK(string != nullptr) << "Could not allocate a string when forcing determinism"; |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 786 | break; |
| 787 | } |
| 788 | |
| 789 | default: |
| 790 | break; |
| 791 | } |
| 792 | |
| 793 | code_ptr += inst->SizeInCodeUnits(); |
| 794 | } |
| 795 | } |
| 796 | |
| 797 | static void ResolveConstStrings(CompilerDriver* driver, |
| 798 | const std::vector<const DexFile*>& dex_files, |
| 799 | TimingLogger* timings) { |
Nicolas Geoffray | 571d234 | 2016-10-12 13:03:15 +0000 | [diff] [blame] | 800 | ScopedObjectAccess soa(Thread::Current()); |
| 801 | StackHandleScope<1> hs(soa.Self()); |
| 802 | ClassLinker* const class_linker = Runtime::Current()->GetClassLinker(); |
| 803 | MutableHandle<mirror::DexCache> dex_cache(hs.NewHandle<mirror::DexCache>(nullptr)); |
| 804 | |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 805 | for (const DexFile* dex_file : dex_files) { |
Nicolas Geoffray | 571d234 | 2016-10-12 13:03:15 +0000 | [diff] [blame] | 806 | dex_cache.Assign(class_linker->FindDexCache(soa.Self(), *dex_file, false)); |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 807 | TimingLogger::ScopedTiming t("Resolve const-string Strings", timings); |
| 808 | |
| 809 | size_t class_def_count = dex_file->NumClassDefs(); |
| 810 | for (size_t class_def_index = 0; class_def_index < class_def_count; ++class_def_index) { |
| 811 | const DexFile::ClassDef& class_def = dex_file->GetClassDef(class_def_index); |
| 812 | |
| 813 | const uint8_t* class_data = dex_file->GetClassData(class_def); |
| 814 | if (class_data == nullptr) { |
| 815 | // empty class, probably a marker interface |
| 816 | continue; |
| 817 | } |
| 818 | |
| 819 | ClassDataItemIterator it(*dex_file, class_data); |
| 820 | // Skip fields |
| 821 | while (it.HasNextStaticField()) { |
| 822 | it.Next(); |
| 823 | } |
| 824 | while (it.HasNextInstanceField()) { |
| 825 | it.Next(); |
| 826 | } |
| 827 | |
| 828 | bool compilation_enabled = driver->IsClassToCompile( |
| 829 | dex_file->StringByTypeIdx(class_def.class_idx_)); |
| 830 | if (!compilation_enabled) { |
| 831 | // Compilation is skipped, do not resolve const-string in code of this class. |
| 832 | // TODO: Make sure that inlining honors this. |
| 833 | continue; |
| 834 | } |
| 835 | |
| 836 | // Direct methods. |
| 837 | int64_t previous_direct_method_idx = -1; |
| 838 | while (it.HasNextDirectMethod()) { |
| 839 | uint32_t method_idx = it.GetMemberIndex(); |
| 840 | if (method_idx == previous_direct_method_idx) { |
| 841 | // smali can create dex files with two encoded_methods sharing the same method_idx |
| 842 | // http://code.google.com/p/smali/issues/detail?id=119 |
| 843 | it.Next(); |
| 844 | continue; |
| 845 | } |
| 846 | previous_direct_method_idx = method_idx; |
Nicolas Geoffray | 571d234 | 2016-10-12 13:03:15 +0000 | [diff] [blame] | 847 | ResolveConstStrings(dex_cache, *dex_file, it.GetMethodCodeItem()); |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 848 | it.Next(); |
| 849 | } |
| 850 | // Virtual methods. |
| 851 | int64_t previous_virtual_method_idx = -1; |
| 852 | while (it.HasNextVirtualMethod()) { |
| 853 | uint32_t method_idx = it.GetMemberIndex(); |
| 854 | if (method_idx == previous_virtual_method_idx) { |
| 855 | // smali can create dex files with two encoded_methods sharing the same method_idx |
| 856 | // http://code.google.com/p/smali/issues/detail?id=119 |
| 857 | it.Next(); |
| 858 | continue; |
| 859 | } |
| 860 | previous_virtual_method_idx = method_idx; |
Nicolas Geoffray | 571d234 | 2016-10-12 13:03:15 +0000 | [diff] [blame] | 861 | ResolveConstStrings(dex_cache, *dex_file, it.GetMethodCodeItem()); |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 862 | it.Next(); |
| 863 | } |
| 864 | DCHECK(!it.HasNext()); |
| 865 | } |
| 866 | } |
| 867 | } |
| 868 | |
| 869 | inline void CompilerDriver::CheckThreadPools() { |
| 870 | DCHECK(parallel_thread_pool_ != nullptr); |
| 871 | DCHECK(single_thread_pool_ != nullptr); |
| 872 | } |
| 873 | |
| 874 | void CompilerDriver::PreCompile(jobject class_loader, |
| 875 | const std::vector<const DexFile*>& dex_files, |
| 876 | TimingLogger* timings) { |
| 877 | CheckThreadPools(); |
| 878 | |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 879 | LoadImageClasses(timings); |
Andreas Gampe | 8d295f8 | 2015-01-20 14:50:21 -0800 | [diff] [blame] | 880 | VLOG(compiler) << "LoadImageClasses: " << GetMemoryUsageString(false); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 881 | |
Mathieu Chartier | e86deef | 2015-03-19 13:43:37 -0700 | [diff] [blame] | 882 | const bool verification_enabled = compiler_options_->IsVerificationEnabled(); |
| 883 | const bool never_verify = compiler_options_->NeverVerify(); |
Mathieu Chartier | a807780 | 2016-03-16 19:08:31 -0700 | [diff] [blame] | 884 | const bool verify_only_profile = compiler_options_->VerifyOnlyProfile(); |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 885 | |
Mathieu Chartier | e86deef | 2015-03-19 13:43:37 -0700 | [diff] [blame] | 886 | // We need to resolve for never_verify since it needs to run dex to dex to add the |
| 887 | // RETURN_VOID_NO_BARRIER. |
Mathieu Chartier | a807780 | 2016-03-16 19:08:31 -0700 | [diff] [blame] | 888 | // Let the verifier resolve as needed for the verify_only_profile case. |
| 889 | if ((never_verify || verification_enabled) && !verify_only_profile) { |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 890 | Resolve(class_loader, dex_files, timings); |
Mathieu Chartier | e86deef | 2015-03-19 13:43:37 -0700 | [diff] [blame] | 891 | VLOG(compiler) << "Resolve: " << GetMemoryUsageString(false); |
| 892 | } |
| 893 | |
| 894 | if (never_verify) { |
Mathieu Chartier | ab972ef | 2014-12-03 17:38:22 -0800 | [diff] [blame] | 895 | VLOG(compiler) << "Verify none mode specified, skipping verification."; |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 896 | SetVerified(class_loader, dex_files, timings); |
Mathieu Chartier | e86deef | 2015-03-19 13:43:37 -0700 | [diff] [blame] | 897 | } |
| 898 | |
| 899 | if (!verification_enabled) { |
Jeff Hao | 4a200f5 | 2014-04-01 14:58:49 -0700 | [diff] [blame] | 900 | return; |
| 901 | } |
| 902 | |
Vladimir Marko | aad75c6 | 2016-10-03 08:46:48 +0000 | [diff] [blame] | 903 | if (GetCompilerOptions().IsForceDeterminism() && GetCompilerOptions().IsBootImage()) { |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 904 | // Resolve strings from const-string. Do this now to have a deterministic image. |
| 905 | ResolveConstStrings(this, dex_files, timings); |
| 906 | VLOG(compiler) << "Resolve const-strings: " << GetMemoryUsageString(false); |
| 907 | } |
| 908 | |
| 909 | Verify(class_loader, dex_files, timings); |
Andreas Gampe | 8d295f8 | 2015-01-20 14:50:21 -0800 | [diff] [blame] | 910 | VLOG(compiler) << "Verify: " << GetMemoryUsageString(false); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 911 | |
Andreas Gampe | 6cf49e5 | 2015-03-05 13:08:45 -0800 | [diff] [blame] | 912 | if (had_hard_verifier_failure_ && GetCompilerOptions().AbortOnHardVerifierFailure()) { |
| 913 | LOG(FATAL) << "Had a hard failure verifying all classes, and was asked to abort in such " |
| 914 | << "situations. Please check the log."; |
| 915 | } |
| 916 | |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 917 | InitializeClasses(class_loader, dex_files, timings); |
Andreas Gampe | 8d295f8 | 2015-01-20 14:50:21 -0800 | [diff] [blame] | 918 | VLOG(compiler) << "InitializeClasses: " << GetMemoryUsageString(false); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 919 | |
| 920 | UpdateImageClasses(timings); |
Andreas Gampe | 8d295f8 | 2015-01-20 14:50:21 -0800 | [diff] [blame] | 921 | VLOG(compiler) << "UpdateImageClasses: " << GetMemoryUsageString(false); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 922 | } |
| 923 | |
Ian Rogers | dfb325e | 2013-10-30 01:00:44 -0700 | [diff] [blame] | 924 | bool CompilerDriver::IsImageClass(const char* descriptor) const { |
Mathieu Chartier | c5dd319 | 2015-12-09 16:38:30 -0800 | [diff] [blame] | 925 | if (image_classes_ != nullptr) { |
| 926 | // If we have a set of image classes, use those. |
Ian Rogers | dfb325e | 2013-10-30 01:00:44 -0700 | [diff] [blame] | 927 | return image_classes_->find(descriptor) != image_classes_->end(); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 928 | } |
Mathieu Chartier | c5dd319 | 2015-12-09 16:38:30 -0800 | [diff] [blame] | 929 | // No set of image classes, assume we include all the classes. |
| 930 | // NOTE: Currently only reachable from InitImageMethodVisitor for the app image case. |
Vladimir Marko | aad75c6 | 2016-10-03 08:46:48 +0000 | [diff] [blame] | 931 | return !GetCompilerOptions().IsBootImage(); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 932 | } |
| 933 | |
Andreas Gampe | 4bf3ae9 | 2014-11-11 13:28:29 -0800 | [diff] [blame] | 934 | bool CompilerDriver::IsClassToCompile(const char* descriptor) const { |
Andreas Gampe | b1fcead | 2015-04-20 18:53:51 -0700 | [diff] [blame] | 935 | if (classes_to_compile_ == nullptr) { |
| 936 | return true; |
| 937 | } |
| 938 | return classes_to_compile_->find(descriptor) != classes_to_compile_->end(); |
Andreas Gampe | 4bf3ae9 | 2014-11-11 13:28:29 -0800 | [diff] [blame] | 939 | } |
| 940 | |
Andreas Gampe | 70bef0d | 2015-04-15 02:37:28 -0700 | [diff] [blame] | 941 | bool CompilerDriver::IsMethodToCompile(const MethodReference& method_ref) const { |
Andreas Gampe | 70bef0d | 2015-04-15 02:37:28 -0700 | [diff] [blame] | 942 | if (methods_to_compile_ == nullptr) { |
| 943 | return true; |
| 944 | } |
| 945 | |
David Sehr | 709b070 | 2016-10-13 09:12:37 -0700 | [diff] [blame] | 946 | std::string tmp = method_ref.dex_file->PrettyMethod(method_ref.dex_method_index, true); |
Andreas Gampe | 70bef0d | 2015-04-15 02:37:28 -0700 | [diff] [blame] | 947 | return methods_to_compile_->find(tmp.c_str()) != methods_to_compile_->end(); |
| 948 | } |
| 949 | |
Calin Juravle | 226501b | 2015-12-11 14:41:31 +0000 | [diff] [blame] | 950 | bool CompilerDriver::ShouldCompileBasedOnProfile(const MethodReference& method_ref) const { |
| 951 | if (profile_compilation_info_ == nullptr) { |
| 952 | // If we miss profile information it means that we don't do a profile guided compilation. |
| 953 | // Return true, and let the other filters decide if the method should be compiled. |
| 954 | return true; |
| 955 | } |
| 956 | bool result = profile_compilation_info_->ContainsMethod(method_ref); |
| 957 | |
| 958 | if (kDebugProfileGuidedCompilation) { |
| 959 | LOG(INFO) << "[ProfileGuidedCompilation] " |
| 960 | << (result ? "Compiled" : "Skipped") << " method:" |
David Sehr | 709b070 | 2016-10-13 09:12:37 -0700 | [diff] [blame] | 961 | << method_ref.dex_file->PrettyMethod(method_ref.dex_method_index, true); |
Calin Juravle | 226501b | 2015-12-11 14:41:31 +0000 | [diff] [blame] | 962 | } |
| 963 | return result; |
| 964 | } |
| 965 | |
Mathieu Chartier | a807780 | 2016-03-16 19:08:31 -0700 | [diff] [blame] | 966 | bool CompilerDriver::ShouldVerifyClassBasedOnProfile(const DexFile& dex_file, |
| 967 | uint16_t class_idx) const { |
| 968 | if (!compiler_options_->VerifyOnlyProfile()) { |
| 969 | // No profile, verify everything. |
| 970 | return true; |
| 971 | } |
| 972 | DCHECK(profile_compilation_info_ != nullptr); |
| 973 | bool result = profile_compilation_info_->ContainsClass(dex_file, class_idx); |
| 974 | if (kDebugProfileGuidedCompilation) { |
| 975 | LOG(INFO) << "[ProfileGuidedCompilation] " |
| 976 | << (result ? "Verified" : "Skipped") << " method:" |
| 977 | << dex_file.GetClassDescriptor(dex_file.GetClassDef(class_idx)); |
| 978 | } |
| 979 | return result; |
| 980 | } |
| 981 | |
Mathieu Chartier | e0671ce | 2015-07-28 17:23:28 -0700 | [diff] [blame] | 982 | class ResolveCatchBlockExceptionsClassVisitor : public ClassVisitor { |
| 983 | public: |
Chih-Hung Hsieh | 471118e | 2016-04-29 14:27:41 -0700 | [diff] [blame] | 984 | explicit ResolveCatchBlockExceptionsClassVisitor( |
Mathieu Chartier | e0671ce | 2015-07-28 17:23:28 -0700 | [diff] [blame] | 985 | std::set<std::pair<uint16_t, const DexFile*>>& exceptions_to_resolve) |
| 986 | : exceptions_to_resolve_(exceptions_to_resolve) {} |
| 987 | |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 988 | virtual bool operator()(ObjPtr<mirror::Class> c) OVERRIDE REQUIRES_SHARED(Locks::mutator_lock_) { |
Mathieu Chartier | e4275c0 | 2015-08-06 15:34:15 -0700 | [diff] [blame] | 989 | const auto pointer_size = Runtime::Current()->GetClassLinker()->GetImagePointerSize(); |
Alex Light | e64300b | 2015-12-15 15:02:47 -0800 | [diff] [blame] | 990 | for (auto& m : c->GetMethods(pointer_size)) { |
Vladimir Marko | 05792b9 | 2015-08-03 11:56:49 +0100 | [diff] [blame] | 991 | ResolveExceptionsForMethod(&m, pointer_size); |
Mathieu Chartier | e4275c0 | 2015-08-06 15:34:15 -0700 | [diff] [blame] | 992 | } |
| 993 | return true; |
| 994 | } |
| 995 | |
| 996 | private: |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 997 | void ResolveExceptionsForMethod(ArtMethod* method_handle, PointerSize pointer_size) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 998 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Mathieu Chartier | e0671ce | 2015-07-28 17:23:28 -0700 | [diff] [blame] | 999 | const DexFile::CodeItem* code_item = method_handle->GetCodeItem(); |
| 1000 | if (code_item == nullptr) { |
| 1001 | return; // native or abstract method |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1002 | } |
Mathieu Chartier | e0671ce | 2015-07-28 17:23:28 -0700 | [diff] [blame] | 1003 | if (code_item->tries_size_ == 0) { |
| 1004 | return; // nothing to process |
| 1005 | } |
| 1006 | const uint8_t* encoded_catch_handler_list = DexFile::GetCatchHandlerData(*code_item, 0); |
| 1007 | size_t num_encoded_catch_handlers = DecodeUnsignedLeb128(&encoded_catch_handler_list); |
| 1008 | for (size_t i = 0; i < num_encoded_catch_handlers; i++) { |
| 1009 | int32_t encoded_catch_handler_size = DecodeSignedLeb128(&encoded_catch_handler_list); |
| 1010 | bool has_catch_all = false; |
| 1011 | if (encoded_catch_handler_size <= 0) { |
| 1012 | encoded_catch_handler_size = -encoded_catch_handler_size; |
| 1013 | has_catch_all = true; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1014 | } |
Mathieu Chartier | e0671ce | 2015-07-28 17:23:28 -0700 | [diff] [blame] | 1015 | for (int32_t j = 0; j < encoded_catch_handler_size; j++) { |
| 1016 | uint16_t encoded_catch_handler_handlers_type_idx = |
| 1017 | DecodeUnsignedLeb128(&encoded_catch_handler_list); |
| 1018 | // Add to set of types to resolve if not already in the dex cache resolved types |
Vladimir Marko | 05792b9 | 2015-08-03 11:56:49 +0100 | [diff] [blame] | 1019 | if (!method_handle->IsResolvedTypeIdx(encoded_catch_handler_handlers_type_idx, |
| 1020 | pointer_size)) { |
Mathieu Chartier | e0671ce | 2015-07-28 17:23:28 -0700 | [diff] [blame] | 1021 | exceptions_to_resolve_.emplace(encoded_catch_handler_handlers_type_idx, |
| 1022 | method_handle->GetDexFile()); |
| 1023 | } |
| 1024 | // ignore address associated with catch handler |
| 1025 | DecodeUnsignedLeb128(&encoded_catch_handler_list); |
| 1026 | } |
| 1027 | if (has_catch_all) { |
| 1028 | // ignore catch all address |
| 1029 | DecodeUnsignedLeb128(&encoded_catch_handler_list); |
| 1030 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1031 | } |
| 1032 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1033 | |
Mathieu Chartier | e0671ce | 2015-07-28 17:23:28 -0700 | [diff] [blame] | 1034 | std::set<std::pair<uint16_t, const DexFile*>>& exceptions_to_resolve_; |
| 1035 | }; |
| 1036 | |
| 1037 | class RecordImageClassesVisitor : public ClassVisitor { |
| 1038 | public: |
| 1039 | explicit RecordImageClassesVisitor(std::unordered_set<std::string>* image_classes) |
| 1040 | : image_classes_(image_classes) {} |
| 1041 | |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 1042 | bool operator()(ObjPtr<mirror::Class> klass) OVERRIDE REQUIRES_SHARED(Locks::mutator_lock_) { |
Mathieu Chartier | e0671ce | 2015-07-28 17:23:28 -0700 | [diff] [blame] | 1043 | std::string temp; |
| 1044 | image_classes_->insert(klass->GetDescriptor(&temp)); |
| 1045 | return true; |
| 1046 | } |
| 1047 | |
| 1048 | private: |
| 1049 | std::unordered_set<std::string>* const image_classes_; |
| 1050 | }; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1051 | |
| 1052 | // Make a list of descriptors for classes to include in the image |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1053 | void CompilerDriver::LoadImageClasses(TimingLogger* timings) { |
Kenny Root | d518534 | 2014-05-13 14:47:05 -0700 | [diff] [blame] | 1054 | CHECK(timings != nullptr); |
Vladimir Marko | aad75c6 | 2016-10-03 08:46:48 +0000 | [diff] [blame] | 1055 | if (!GetCompilerOptions().IsBootImage()) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1056 | return; |
| 1057 | } |
| 1058 | |
Mathieu Chartier | f5997b4 | 2014-06-20 10:37:54 -0700 | [diff] [blame] | 1059 | TimingLogger::ScopedTiming t("LoadImageClasses", timings); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1060 | // Make a first class to load all classes explicitly listed in the file |
| 1061 | Thread* self = Thread::Current(); |
| 1062 | ScopedObjectAccess soa(self); |
| 1063 | ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); |
Kenny Root | d518534 | 2014-05-13 14:47:05 -0700 | [diff] [blame] | 1064 | CHECK(image_classes_.get() != nullptr); |
Mathieu Chartier | 02e2511 | 2013-08-14 16:14:24 -0700 | [diff] [blame] | 1065 | for (auto it = image_classes_->begin(), end = image_classes_->end(); it != end;) { |
Vladimir Marko | e9c36b3 | 2013-11-21 15:49:16 +0000 | [diff] [blame] | 1066 | const std::string& descriptor(*it); |
Mathieu Chartier | eb8167a | 2014-05-07 15:43:14 -0700 | [diff] [blame] | 1067 | StackHandleScope<1> hs(self); |
| 1068 | Handle<mirror::Class> klass( |
| 1069 | hs.NewHandle(class_linker->FindSystemClass(self, descriptor.c_str()))); |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 1070 | if (klass.Get() == nullptr) { |
Ian Rogers | e6bb3b2 | 2013-08-19 21:51:45 -0700 | [diff] [blame] | 1071 | VLOG(compiler) << "Failed to find class " << descriptor; |
Vladimir Marko | e9c36b3 | 2013-11-21 15:49:16 +0000 | [diff] [blame] | 1072 | image_classes_->erase(it++); |
Ian Rogers | a436fde | 2013-08-27 23:34:06 -0700 | [diff] [blame] | 1073 | self->ClearException(); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1074 | } else { |
| 1075 | ++it; |
| 1076 | } |
| 1077 | } |
| 1078 | |
| 1079 | // Resolve exception classes referenced by the loaded classes. The catch logic assumes |
| 1080 | // exceptions are resolved by the verifier when there is a catch block in an interested method. |
| 1081 | // Do this here so that exception classes appear to have been specified image classes. |
Ian Rogers | 700a402 | 2014-05-19 16:49:03 -0700 | [diff] [blame] | 1082 | std::set<std::pair<uint16_t, const DexFile*>> unresolved_exception_types; |
Mathieu Chartier | eb8167a | 2014-05-07 15:43:14 -0700 | [diff] [blame] | 1083 | StackHandleScope<1> hs(self); |
| 1084 | Handle<mirror::Class> java_lang_Throwable( |
| 1085 | hs.NewHandle(class_linker->FindSystemClass(self, "Ljava/lang/Throwable;"))); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1086 | do { |
| 1087 | unresolved_exception_types.clear(); |
Mathieu Chartier | e0671ce | 2015-07-28 17:23:28 -0700 | [diff] [blame] | 1088 | ResolveCatchBlockExceptionsClassVisitor visitor(unresolved_exception_types); |
| 1089 | class_linker->VisitClasses(&visitor); |
Mathieu Chartier | 02e2511 | 2013-08-14 16:14:24 -0700 | [diff] [blame] | 1090 | for (const std::pair<uint16_t, const DexFile*>& exception_type : unresolved_exception_types) { |
| 1091 | uint16_t exception_type_idx = exception_type.first; |
| 1092 | const DexFile* dex_file = exception_type.second; |
Andreas Gampe | 277ccbd | 2014-11-03 21:36:10 -0800 | [diff] [blame] | 1093 | StackHandleScope<2> hs2(self); |
Mathieu Chartier | f284d44 | 2016-06-02 11:48:30 -0700 | [diff] [blame] | 1094 | Handle<mirror::DexCache> dex_cache(hs2.NewHandle(class_linker->RegisterDexFile(*dex_file, |
| 1095 | nullptr))); |
Andreas Gampe | 277ccbd | 2014-11-03 21:36:10 -0800 | [diff] [blame] | 1096 | Handle<mirror::Class> klass(hs2.NewHandle( |
Mathieu Chartier | 9865bde | 2015-12-21 09:58:16 -0800 | [diff] [blame] | 1097 | class_linker->ResolveType(*dex_file, |
| 1098 | exception_type_idx, |
| 1099 | dex_cache, |
| 1100 | ScopedNullHandle<mirror::ClassLoader>()))); |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 1101 | if (klass.Get() == nullptr) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1102 | const DexFile::TypeId& type_id = dex_file->GetTypeId(exception_type_idx); |
| 1103 | const char* descriptor = dex_file->GetTypeDescriptor(type_id); |
| 1104 | LOG(FATAL) << "Failed to resolve class " << descriptor; |
| 1105 | } |
Mathieu Chartier | eb8167a | 2014-05-07 15:43:14 -0700 | [diff] [blame] | 1106 | DCHECK(java_lang_Throwable->IsAssignableFrom(klass.Get())); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1107 | } |
| 1108 | // Resolving exceptions may load classes that reference more exceptions, iterate until no |
| 1109 | // more are found |
| 1110 | } while (!unresolved_exception_types.empty()); |
| 1111 | |
| 1112 | // We walk the roots looking for classes so that we'll pick up the |
| 1113 | // above classes plus any classes them depend on such super |
| 1114 | // classes, interfaces, and the required ClassLinker roots. |
Mathieu Chartier | e0671ce | 2015-07-28 17:23:28 -0700 | [diff] [blame] | 1115 | RecordImageClassesVisitor visitor(image_classes_.get()); |
| 1116 | class_linker->VisitClasses(&visitor); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1117 | |
| 1118 | CHECK_NE(image_classes_->size(), 0U); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1119 | } |
| 1120 | |
Andreas Gampe | b1fcead | 2015-04-20 18:53:51 -0700 | [diff] [blame] | 1121 | static void MaybeAddToImageClasses(Handle<mirror::Class> c, |
| 1122 | std::unordered_set<std::string>* image_classes) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 1123 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Mathieu Chartier | f832284 | 2014-05-16 10:59:25 -0700 | [diff] [blame] | 1124 | Thread* self = Thread::Current(); |
| 1125 | StackHandleScope<1> hs(self); |
| 1126 | // Make a copy of the handle so that we don't clobber it doing Assign. |
Andreas Gampe | 5a4b8a2 | 2014-09-11 08:30:08 -0700 | [diff] [blame] | 1127 | MutableHandle<mirror::Class> klass(hs.NewHandle(c.Get())); |
Ian Rogers | 1ff3c98 | 2014-08-12 02:30:58 -0700 | [diff] [blame] | 1128 | std::string temp; |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 1129 | const PointerSize pointer_size = Runtime::Current()->GetClassLinker()->GetImagePointerSize(); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1130 | while (!klass->IsObjectClass()) { |
Ian Rogers | 1ff3c98 | 2014-08-12 02:30:58 -0700 | [diff] [blame] | 1131 | const char* descriptor = klass->GetDescriptor(&temp); |
Andreas Gampe | b1fcead | 2015-04-20 18:53:51 -0700 | [diff] [blame] | 1132 | std::pair<std::unordered_set<std::string>::iterator, bool> result = |
| 1133 | image_classes->insert(descriptor); |
Ian Rogers | 1ff3c98 | 2014-08-12 02:30:58 -0700 | [diff] [blame] | 1134 | if (!result.second) { // Previously inserted. |
| 1135 | break; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1136 | } |
Ian Rogers | 1ff3c98 | 2014-08-12 02:30:58 -0700 | [diff] [blame] | 1137 | VLOG(compiler) << "Adding " << descriptor << " to image classes"; |
Mathieu Chartier | f832284 | 2014-05-16 10:59:25 -0700 | [diff] [blame] | 1138 | for (size_t i = 0; i < klass->NumDirectInterfaces(); ++i) { |
Andreas Gampe | 277ccbd | 2014-11-03 21:36:10 -0800 | [diff] [blame] | 1139 | StackHandleScope<1> hs2(self); |
Mathieu Chartier | 31e8822 | 2016-10-14 18:43:19 -0700 | [diff] [blame] | 1140 | // May cause thread suspension. |
Andreas Gampe | 277ccbd | 2014-11-03 21:36:10 -0800 | [diff] [blame] | 1141 | MaybeAddToImageClasses(hs2.NewHandle(mirror::Class::GetDirectInterface(self, klass, i)), |
Mathieu Chartier | f832284 | 2014-05-16 10:59:25 -0700 | [diff] [blame] | 1142 | image_classes); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1143 | } |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 1144 | for (auto& m : c->GetVirtualMethods(pointer_size)) { |
Alex Light | 3612149 | 2016-02-22 13:43:29 -0800 | [diff] [blame] | 1145 | StackHandleScope<1> hs2(self); |
| 1146 | MaybeAddToImageClasses(hs2.NewHandle(m.GetDeclaringClass()), image_classes); |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 1147 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1148 | if (klass->IsArrayClass()) { |
Andreas Gampe | 277ccbd | 2014-11-03 21:36:10 -0800 | [diff] [blame] | 1149 | StackHandleScope<1> hs2(self); |
| 1150 | MaybeAddToImageClasses(hs2.NewHandle(klass->GetComponentType()), image_classes); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1151 | } |
Mathieu Chartier | f832284 | 2014-05-16 10:59:25 -0700 | [diff] [blame] | 1152 | klass.Assign(klass->GetSuperClass()); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1153 | } |
| 1154 | } |
| 1155 | |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 1156 | // Keeps all the data for the update together. Also doubles as the reference visitor. |
| 1157 | // Note: we can use object pointers because we suspend all threads. |
| 1158 | class ClinitImageUpdate { |
| 1159 | public: |
Mathieu Chartier | 31e8822 | 2016-10-14 18:43:19 -0700 | [diff] [blame] | 1160 | static ClinitImageUpdate* Create(VariableSizedHandleScope& hs, |
| 1161 | std::unordered_set<std::string>* image_class_descriptors, |
| 1162 | Thread* self, |
| 1163 | ClassLinker* linker) { |
| 1164 | std::unique_ptr<ClinitImageUpdate> res(new ClinitImageUpdate(hs, |
| 1165 | image_class_descriptors, |
| 1166 | self, |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 1167 | linker)); |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 1168 | return res.release(); |
| 1169 | } |
| 1170 | |
| 1171 | ~ClinitImageUpdate() { |
| 1172 | // Allow others to suspend again. |
| 1173 | self_->EndAssertNoThreadSuspension(old_cause_); |
| 1174 | } |
| 1175 | |
| 1176 | // Visitor for VisitReferences. |
Mathieu Chartier | 31e8822 | 2016-10-14 18:43:19 -0700 | [diff] [blame] | 1177 | void operator()(ObjPtr<mirror::Object> object, |
| 1178 | MemberOffset field_offset, |
| 1179 | bool /* is_static */) const |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 1180 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 1181 | mirror::Object* ref = object->GetFieldObject<mirror::Object>(field_offset); |
| 1182 | if (ref != nullptr) { |
| 1183 | VisitClinitClassesObject(ref); |
| 1184 | } |
| 1185 | } |
| 1186 | |
| 1187 | // java.lang.Reference visitor for VisitReferences. |
Mathieu Chartier | 31e8822 | 2016-10-14 18:43:19 -0700 | [diff] [blame] | 1188 | void operator()(ObjPtr<mirror::Class> klass ATTRIBUTE_UNUSED, |
| 1189 | ObjPtr<mirror::Reference> ref ATTRIBUTE_UNUSED) const {} |
Mathieu Chartier | da7c650 | 2015-07-23 16:01:26 -0700 | [diff] [blame] | 1190 | |
| 1191 | // Ignore class native roots. |
| 1192 | void VisitRootIfNonNull(mirror::CompressedReference<mirror::Object>* root ATTRIBUTE_UNUSED) |
| 1193 | const {} |
| 1194 | void VisitRoot(mirror::CompressedReference<mirror::Object>* root ATTRIBUTE_UNUSED) const {} |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 1195 | |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 1196 | void Walk() REQUIRES_SHARED(Locks::mutator_lock_) { |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 1197 | // Use the initial classes as roots for a search. |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 1198 | for (Handle<mirror::Class> klass_root : image_classes_) { |
| 1199 | VisitClinitClassesObject(klass_root.Get()); |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 1200 | } |
Mathieu Chartier | 31e8822 | 2016-10-14 18:43:19 -0700 | [diff] [blame] | 1201 | for (Handle<mirror::Class> h_klass : to_insert_) { |
| 1202 | MaybeAddToImageClasses(h_klass, image_class_descriptors_); |
| 1203 | } |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 1204 | } |
| 1205 | |
| 1206 | private: |
Mathieu Chartier | e0671ce | 2015-07-28 17:23:28 -0700 | [diff] [blame] | 1207 | class FindImageClassesVisitor : public ClassVisitor { |
| 1208 | public: |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 1209 | explicit FindImageClassesVisitor(VariableSizedHandleScope& hs, |
| 1210 | ClinitImageUpdate* data) |
| 1211 | : data_(data), |
| 1212 | hs_(hs) {} |
Mathieu Chartier | e0671ce | 2015-07-28 17:23:28 -0700 | [diff] [blame] | 1213 | |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 1214 | bool operator()(ObjPtr<mirror::Class> klass) OVERRIDE REQUIRES_SHARED(Locks::mutator_lock_) { |
Mathieu Chartier | e0671ce | 2015-07-28 17:23:28 -0700 | [diff] [blame] | 1215 | std::string temp; |
| 1216 | const char* name = klass->GetDescriptor(&temp); |
| 1217 | if (data_->image_class_descriptors_->find(name) != data_->image_class_descriptors_->end()) { |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 1218 | data_->image_classes_.push_back(hs_.NewHandle(klass)); |
Mathieu Chartier | e0671ce | 2015-07-28 17:23:28 -0700 | [diff] [blame] | 1219 | } else { |
| 1220 | // Check whether it is initialized and has a clinit. They must be kept, too. |
| 1221 | if (klass->IsInitialized() && klass->FindClassInitializer( |
| 1222 | Runtime::Current()->GetClassLinker()->GetImagePointerSize()) != nullptr) { |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 1223 | data_->image_classes_.push_back(hs_.NewHandle(klass)); |
Mathieu Chartier | e0671ce | 2015-07-28 17:23:28 -0700 | [diff] [blame] | 1224 | } |
| 1225 | } |
| 1226 | return true; |
| 1227 | } |
| 1228 | |
| 1229 | private: |
| 1230 | ClinitImageUpdate* const data_; |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 1231 | VariableSizedHandleScope& hs_; |
Mathieu Chartier | e0671ce | 2015-07-28 17:23:28 -0700 | [diff] [blame] | 1232 | }; |
| 1233 | |
Mathieu Chartier | 31e8822 | 2016-10-14 18:43:19 -0700 | [diff] [blame] | 1234 | ClinitImageUpdate(VariableSizedHandleScope& hs, |
| 1235 | std::unordered_set<std::string>* image_class_descriptors, |
| 1236 | Thread* self, |
| 1237 | ClassLinker* linker) REQUIRES_SHARED(Locks::mutator_lock_) |
| 1238 | : hs_(hs), |
| 1239 | image_class_descriptors_(image_class_descriptors), |
| 1240 | self_(self) { |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 1241 | CHECK(linker != nullptr); |
| 1242 | CHECK(image_class_descriptors != nullptr); |
| 1243 | |
| 1244 | // Make sure nobody interferes with us. |
| 1245 | old_cause_ = self->StartAssertNoThreadSuspension("Boot image closure"); |
| 1246 | |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 1247 | // Find all the already-marked classes. |
| 1248 | WriterMutexLock mu(self, *Locks::heap_bitmap_lock_); |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 1249 | FindImageClassesVisitor visitor(hs_, this); |
Mathieu Chartier | e0671ce | 2015-07-28 17:23:28 -0700 | [diff] [blame] | 1250 | linker->VisitClasses(&visitor); |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 1251 | } |
| 1252 | |
| 1253 | void VisitClinitClassesObject(mirror::Object* object) const |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 1254 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 1255 | DCHECK(object != nullptr); |
| 1256 | if (marked_objects_.find(object) != marked_objects_.end()) { |
| 1257 | // Already processed. |
| 1258 | return; |
| 1259 | } |
| 1260 | |
| 1261 | // Mark it. |
| 1262 | marked_objects_.insert(object); |
| 1263 | |
| 1264 | if (object->IsClass()) { |
Mathieu Chartier | 31e8822 | 2016-10-14 18:43:19 -0700 | [diff] [blame] | 1265 | // Add to the TODO list since MaybeAddToImageClasses may cause thread suspension. Thread |
| 1266 | // suspensionb is not safe to do in VisitObjects or VisitReferences. |
| 1267 | to_insert_.push_back(hs_.NewHandle(object->AsClass())); |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 1268 | } else { |
| 1269 | // Else visit the object's class. |
| 1270 | VisitClinitClassesObject(object->GetClass()); |
| 1271 | } |
| 1272 | |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 1273 | // If it is not a DexCache, visit all references. |
Mathieu Chartier | 31e8822 | 2016-10-14 18:43:19 -0700 | [diff] [blame] | 1274 | if (!object->IsDexCache()) { |
Mathieu Chartier | 059ef3d | 2015-08-18 13:54:21 -0700 | [diff] [blame] | 1275 | object->VisitReferences(*this, *this); |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 1276 | } |
| 1277 | } |
| 1278 | |
Mathieu Chartier | 31e8822 | 2016-10-14 18:43:19 -0700 | [diff] [blame] | 1279 | VariableSizedHandleScope& hs_; |
| 1280 | mutable std::vector<Handle<mirror::Class>> to_insert_; |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 1281 | mutable std::unordered_set<mirror::Object*> marked_objects_; |
Andreas Gampe | b1fcead | 2015-04-20 18:53:51 -0700 | [diff] [blame] | 1282 | std::unordered_set<std::string>* const image_class_descriptors_; |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 1283 | std::vector<Handle<mirror::Class>> image_classes_; |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 1284 | Thread* const self_; |
| 1285 | const char* old_cause_; |
| 1286 | |
| 1287 | DISALLOW_COPY_AND_ASSIGN(ClinitImageUpdate); |
| 1288 | }; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1289 | |
Ian Rogers | 3d50407 | 2014-03-01 09:16:49 -0800 | [diff] [blame] | 1290 | void CompilerDriver::UpdateImageClasses(TimingLogger* timings) { |
Vladimir Marko | aad75c6 | 2016-10-03 08:46:48 +0000 | [diff] [blame] | 1291 | if (GetCompilerOptions().IsBootImage()) { |
Mathieu Chartier | f5997b4 | 2014-06-20 10:37:54 -0700 | [diff] [blame] | 1292 | TimingLogger::ScopedTiming t("UpdateImageClasses", timings); |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 1293 | |
Mathieu Chartier | 4f55e22 | 2015-09-04 13:26:21 -0700 | [diff] [blame] | 1294 | Runtime* runtime = Runtime::Current(); |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 1295 | |
| 1296 | // Suspend all threads. |
Mathieu Chartier | 4f55e22 | 2015-09-04 13:26:21 -0700 | [diff] [blame] | 1297 | ScopedSuspendAll ssa(__FUNCTION__); |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 1298 | |
Mathieu Chartier | 31e8822 | 2016-10-14 18:43:19 -0700 | [diff] [blame] | 1299 | VariableSizedHandleScope hs(Thread::Current()); |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 1300 | std::string error_msg; |
Mathieu Chartier | 31e8822 | 2016-10-14 18:43:19 -0700 | [diff] [blame] | 1301 | std::unique_ptr<ClinitImageUpdate> update(ClinitImageUpdate::Create(hs, |
| 1302 | image_classes_.get(), |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 1303 | Thread::Current(), |
Mathieu Chartier | 31e8822 | 2016-10-14 18:43:19 -0700 | [diff] [blame] | 1304 | runtime->GetClassLinker())); |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 1305 | |
| 1306 | // Do the marking. |
| 1307 | update->Walk(); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1308 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1309 | } |
| 1310 | |
Vladimir Marko | 07785bb | 2015-06-15 18:52:54 +0100 | [diff] [blame] | 1311 | bool CompilerDriver::CanAssumeClassIsLoaded(mirror::Class* klass) { |
| 1312 | Runtime* runtime = Runtime::Current(); |
| 1313 | if (!runtime->IsAotCompiler()) { |
Calin Juravle | ffc8707 | 2016-04-20 14:22:09 +0100 | [diff] [blame] | 1314 | DCHECK(runtime->UseJitCompilation()); |
Vladimir Marko | 07785bb | 2015-06-15 18:52:54 +0100 | [diff] [blame] | 1315 | // Having the klass reference here implies that the klass is already loaded. |
| 1316 | return true; |
| 1317 | } |
Vladimir Marko | aad75c6 | 2016-10-03 08:46:48 +0000 | [diff] [blame] | 1318 | if (!GetCompilerOptions().IsBootImage()) { |
Vladimir Marko | 07785bb | 2015-06-15 18:52:54 +0100 | [diff] [blame] | 1319 | // Assume loaded only if klass is in the boot image. App classes cannot be assumed |
| 1320 | // loaded because we don't even know what class loader will be used to load them. |
| 1321 | bool class_in_image = runtime->GetHeap()->FindSpaceFromObject(klass, false)->IsImageSpace(); |
| 1322 | return class_in_image; |
| 1323 | } |
| 1324 | std::string temp; |
| 1325 | const char* descriptor = klass->GetDescriptor(&temp); |
| 1326 | return IsImageClass(descriptor); |
| 1327 | } |
| 1328 | |
Vladimir Marko | 492a7fa | 2016-06-01 18:38:43 +0100 | [diff] [blame] | 1329 | void CompilerDriver::MarkForDexToDexCompilation(Thread* self, const MethodReference& method_ref) { |
| 1330 | MutexLock lock(self, dex_to_dex_references_lock_); |
| 1331 | // Since we're compiling one dex file at a time, we need to look for the |
| 1332 | // current dex file entry only at the end of dex_to_dex_references_. |
| 1333 | if (dex_to_dex_references_.empty() || |
| 1334 | &dex_to_dex_references_.back().GetDexFile() != method_ref.dex_file) { |
| 1335 | dex_to_dex_references_.emplace_back(*method_ref.dex_file); |
| 1336 | } |
| 1337 | dex_to_dex_references_.back().GetMethodIndexes().SetBit(method_ref.dex_method_index); |
| 1338 | } |
| 1339 | |
Vladimir Marko | 3cd50df | 2016-04-13 19:29:26 +0100 | [diff] [blame] | 1340 | bool CompilerDriver::CanAccessTypeWithoutChecks(uint32_t referrer_idx, |
| 1341 | Handle<mirror::DexCache> dex_cache, |
| 1342 | uint32_t type_idx) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1343 | // Get type from dex cache assuming it was populated by the verifier |
| 1344 | mirror::Class* resolved_class = dex_cache->GetResolvedType(type_idx); |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 1345 | if (resolved_class == nullptr) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1346 | stats_->TypeNeedsAccessCheck(); |
| 1347 | return false; // Unknown class needs access checks. |
| 1348 | } |
Vladimir Marko | 3cd50df | 2016-04-13 19:29:26 +0100 | [diff] [blame] | 1349 | const DexFile::MethodId& method_id = dex_cache->GetDexFile()->GetMethodId(referrer_idx); |
David Brazdil | 38f64d3 | 2016-01-18 17:13:41 +0000 | [diff] [blame] | 1350 | bool is_accessible = resolved_class->IsPublic(); // Public classes are always accessible. |
| 1351 | if (!is_accessible) { |
| 1352 | mirror::Class* referrer_class = dex_cache->GetResolvedType(method_id.class_idx_); |
| 1353 | if (referrer_class == nullptr) { |
| 1354 | stats_->TypeNeedsAccessCheck(); |
| 1355 | return false; // Incomplete referrer knowledge needs access check. |
| 1356 | } |
| 1357 | // Perform access check, will return true if access is ok or false if we're going to have to |
| 1358 | // check this at runtime (for example for class loaders). |
| 1359 | is_accessible = referrer_class->CanAccess(resolved_class); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1360 | } |
David Brazdil | 38f64d3 | 2016-01-18 17:13:41 +0000 | [diff] [blame] | 1361 | if (is_accessible) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1362 | stats_->TypeDoesntNeedAccessCheck(); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1363 | } else { |
| 1364 | stats_->TypeNeedsAccessCheck(); |
| 1365 | } |
David Brazdil | 38f64d3 | 2016-01-18 17:13:41 +0000 | [diff] [blame] | 1366 | return is_accessible; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1367 | } |
| 1368 | |
| 1369 | bool CompilerDriver::CanAccessInstantiableTypeWithoutChecks(uint32_t referrer_idx, |
Vladimir Marko | 3cd50df | 2016-04-13 19:29:26 +0100 | [diff] [blame] | 1370 | Handle<mirror::DexCache> dex_cache, |
Mingyao Yang | fb8464a | 2015-11-02 10:56:59 -0800 | [diff] [blame] | 1371 | uint32_t type_idx, |
| 1372 | bool* finalizable) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1373 | // Get type from dex cache assuming it was populated by the verifier. |
| 1374 | mirror::Class* resolved_class = dex_cache->GetResolvedType(type_idx); |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 1375 | if (resolved_class == nullptr) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1376 | stats_->TypeNeedsAccessCheck(); |
Mingyao Yang | fb8464a | 2015-11-02 10:56:59 -0800 | [diff] [blame] | 1377 | // Be conservative. |
| 1378 | *finalizable = true; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1379 | return false; // Unknown class needs access checks. |
| 1380 | } |
Mingyao Yang | fb8464a | 2015-11-02 10:56:59 -0800 | [diff] [blame] | 1381 | *finalizable = resolved_class->IsFinalizable(); |
Vladimir Marko | 3cd50df | 2016-04-13 19:29:26 +0100 | [diff] [blame] | 1382 | const DexFile::MethodId& method_id = dex_cache->GetDexFile()->GetMethodId(referrer_idx); |
David Brazdil | 38f64d3 | 2016-01-18 17:13:41 +0000 | [diff] [blame] | 1383 | bool is_accessible = resolved_class->IsPublic(); // Public classes are always accessible. |
| 1384 | if (!is_accessible) { |
| 1385 | mirror::Class* referrer_class = dex_cache->GetResolvedType(method_id.class_idx_); |
| 1386 | if (referrer_class == nullptr) { |
| 1387 | stats_->TypeNeedsAccessCheck(); |
| 1388 | return false; // Incomplete referrer knowledge needs access check. |
| 1389 | } |
| 1390 | // Perform access and instantiable checks, will return true if access is ok or false if we're |
| 1391 | // going to have to check this at runtime (for example for class loaders). |
| 1392 | is_accessible = referrer_class->CanAccess(resolved_class); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1393 | } |
David Brazdil | 38f64d3 | 2016-01-18 17:13:41 +0000 | [diff] [blame] | 1394 | bool result = is_accessible && resolved_class->IsInstantiable(); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1395 | if (result) { |
| 1396 | stats_->TypeDoesntNeedAccessCheck(); |
| 1397 | } else { |
| 1398 | stats_->TypeNeedsAccessCheck(); |
| 1399 | } |
| 1400 | return result; |
| 1401 | } |
| 1402 | |
Vladimir Marko | be0e546 | 2014-02-26 11:24:15 +0000 | [diff] [blame] | 1403 | void CompilerDriver::ProcessedInstanceField(bool resolved) { |
| 1404 | if (!resolved) { |
| 1405 | stats_->UnresolvedInstanceField(); |
| 1406 | } else { |
| 1407 | stats_->ResolvedInstanceField(); |
| 1408 | } |
| 1409 | } |
| 1410 | |
| 1411 | void CompilerDriver::ProcessedStaticField(bool resolved, bool local) { |
| 1412 | if (!resolved) { |
| 1413 | stats_->UnresolvedStaticField(); |
| 1414 | } else if (local) { |
| 1415 | stats_->ResolvedLocalStaticField(); |
| 1416 | } else { |
| 1417 | stats_->ResolvedStaticField(); |
| 1418 | } |
| 1419 | } |
| 1420 | |
Mathieu Chartier | c785344 | 2015-03-27 14:35:38 -0700 | [diff] [blame] | 1421 | ArtField* CompilerDriver::ComputeInstanceFieldInfo(uint32_t field_idx, |
| 1422 | const DexCompilationUnit* mUnit, bool is_put, |
| 1423 | const ScopedObjectAccess& soa) { |
Vladimir Marko | be0e546 | 2014-02-26 11:24:15 +0000 | [diff] [blame] | 1424 | // Try to resolve the field and compiling method's class. |
Mathieu Chartier | c785344 | 2015-03-27 14:35:38 -0700 | [diff] [blame] | 1425 | ArtField* resolved_field; |
Vladimir Marko | be0e546 | 2014-02-26 11:24:15 +0000 | [diff] [blame] | 1426 | mirror::Class* referrer_class; |
Mathieu Chartier | 736b560 | 2015-09-02 14:54:11 -0700 | [diff] [blame] | 1427 | Handle<mirror::DexCache> dex_cache(mUnit->GetDexCache()); |
Vladimir Marko | be0e546 | 2014-02-26 11:24:15 +0000 | [diff] [blame] | 1428 | { |
Mathieu Chartier | 736b560 | 2015-09-02 14:54:11 -0700 | [diff] [blame] | 1429 | StackHandleScope<1> hs(soa.Self()); |
Mathieu Chartier | eb8167a | 2014-05-07 15:43:14 -0700 | [diff] [blame] | 1430 | Handle<mirror::ClassLoader> class_loader_handle( |
Mathieu Chartier | 0795f23 | 2016-09-27 18:43:30 -0700 | [diff] [blame] | 1431 | hs.NewHandle(soa.Decode<mirror::ClassLoader>(mUnit->GetClassLoader()))); |
Mathieu Chartier | 736b560 | 2015-09-02 14:54:11 -0700 | [diff] [blame] | 1432 | resolved_field = ResolveField(soa, dex_cache, class_loader_handle, mUnit, field_idx, false); |
Mathieu Chartier | c785344 | 2015-03-27 14:35:38 -0700 | [diff] [blame] | 1433 | referrer_class = resolved_field != nullptr |
Mathieu Chartier | 736b560 | 2015-09-02 14:54:11 -0700 | [diff] [blame] | 1434 | ? ResolveCompilingMethodsClass(soa, dex_cache, class_loader_handle, mUnit) : nullptr; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1435 | } |
Nicolas Geoffray | e503832 | 2014-07-04 09:41:32 +0100 | [diff] [blame] | 1436 | bool can_link = false; |
Vladimir Marko | be0e546 | 2014-02-26 11:24:15 +0000 | [diff] [blame] | 1437 | if (resolved_field != nullptr && referrer_class != nullptr) { |
Vladimir Marko | be0e546 | 2014-02-26 11:24:15 +0000 | [diff] [blame] | 1438 | std::pair<bool, bool> fast_path = IsFastInstanceField( |
Mathieu Chartier | 736b560 | 2015-09-02 14:54:11 -0700 | [diff] [blame] | 1439 | dex_cache.Get(), referrer_class, resolved_field, field_idx); |
Nicolas Geoffray | e503832 | 2014-07-04 09:41:32 +0100 | [diff] [blame] | 1440 | can_link = is_put ? fast_path.second : fast_path.first; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1441 | } |
Nicolas Geoffray | e503832 | 2014-07-04 09:41:32 +0100 | [diff] [blame] | 1442 | ProcessedInstanceField(can_link); |
| 1443 | return can_link ? resolved_field : nullptr; |
| 1444 | } |
| 1445 | |
| 1446 | bool CompilerDriver::ComputeInstanceFieldInfo(uint32_t field_idx, const DexCompilationUnit* mUnit, |
| 1447 | bool is_put, MemberOffset* field_offset, |
| 1448 | bool* is_volatile) { |
| 1449 | ScopedObjectAccess soa(Thread::Current()); |
Mathieu Chartier | c785344 | 2015-03-27 14:35:38 -0700 | [diff] [blame] | 1450 | ArtField* resolved_field = ComputeInstanceFieldInfo(field_idx, mUnit, is_put, soa); |
Nicolas Geoffray | e503832 | 2014-07-04 09:41:32 +0100 | [diff] [blame] | 1451 | |
Mathieu Chartier | c785344 | 2015-03-27 14:35:38 -0700 | [diff] [blame] | 1452 | if (resolved_field == nullptr) { |
Vladimir Marko | be0e546 | 2014-02-26 11:24:15 +0000 | [diff] [blame] | 1453 | // Conservative defaults. |
| 1454 | *is_volatile = true; |
| 1455 | *field_offset = MemberOffset(static_cast<size_t>(-1)); |
Nicolas Geoffray | e503832 | 2014-07-04 09:41:32 +0100 | [diff] [blame] | 1456 | return false; |
| 1457 | } else { |
| 1458 | *is_volatile = resolved_field->IsVolatile(); |
| 1459 | *field_offset = resolved_field->GetOffset(); |
| 1460 | return true; |
Vladimir Marko | be0e546 | 2014-02-26 11:24:15 +0000 | [diff] [blame] | 1461 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1462 | } |
| 1463 | |
Nicolas Geoffray | 5e4e11e | 2016-09-22 13:17:41 +0100 | [diff] [blame] | 1464 | void CompilerDriver::GetCodeAndMethodForDirectCall(const mirror::Class* referrer_class, |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 1465 | ArtMethod* method, |
Ian Rogers | 65ec92c | 2013-09-06 10:49:58 -0700 | [diff] [blame] | 1466 | uintptr_t* direct_code, |
| 1467 | uintptr_t* direct_method) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1468 | // For direct and static methods compute possible direct_code and direct_method values, ie |
| 1469 | // an address for the Method* being invoked and an address of the code for that Method*. |
| 1470 | // For interface calls compute a value for direct_method that is the interface method being |
| 1471 | // invoked, so this can be passed to the out-of-line runtime support code. |
Ian Rogers | 65ec92c | 2013-09-06 10:49:58 -0700 | [diff] [blame] | 1472 | *direct_code = 0; |
| 1473 | *direct_method = 0; |
Mathieu Chartier | e5f13e5 | 2015-02-24 09:37:21 -0800 | [diff] [blame] | 1474 | Runtime* const runtime = Runtime::Current(); |
| 1475 | gc::Heap* const heap = runtime->GetHeap(); |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 1476 | auto* cl = runtime->GetClassLinker(); |
Igor Murashkin | d6dee67 | 2014-10-16 18:36:16 -0700 | [diff] [blame] | 1477 | bool use_dex_cache = GetCompilerOptions().GetCompilePic(); // Off by default |
Mathieu Chartier | e5f13e5 | 2015-02-24 09:37:21 -0800 | [diff] [blame] | 1478 | const bool compiling_boot = heap->IsCompilingBoot(); |
Alex Light | a59dd80 | 2014-07-02 16:28:08 -0700 | [diff] [blame] | 1479 | // TODO This is somewhat hacky. We should refactor all of this invoke codepath. |
| 1480 | const bool force_relocations = (compiling_boot || |
| 1481 | GetCompilerOptions().GetIncludePatchInformation()); |
Elliott Hughes | 956af0f | 2014-12-11 14:34:28 -0800 | [diff] [blame] | 1482 | // TODO: support patching on all architectures. |
| 1483 | use_dex_cache = use_dex_cache || (force_relocations && !support_boot_image_fixup_); |
Mathieu Chartier | e5f13e5 | 2015-02-24 09:37:21 -0800 | [diff] [blame] | 1484 | mirror::Class* declaring_class = method->GetDeclaringClass(); |
| 1485 | bool method_code_in_boot = declaring_class->GetClassLoader() == nullptr; |
Ian Rogers | 83883d7 | 2013-10-21 21:07:24 -0700 | [diff] [blame] | 1486 | if (!use_dex_cache) { |
| 1487 | if (!method_code_in_boot) { |
| 1488 | use_dex_cache = true; |
Nicolas Geoffray | 5e4e11e | 2016-09-22 13:17:41 +0100 | [diff] [blame] | 1489 | } else if (method->IsStatic() && |
| 1490 | declaring_class != referrer_class && |
| 1491 | !declaring_class->IsInitialized()) { |
| 1492 | // Ensure we run the clinit trampoline unless we are invoking a static method in the same |
| 1493 | // class. |
| 1494 | use_dex_cache = true; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1495 | } |
Ian Rogers | 83883d7 | 2013-10-21 21:07:24 -0700 | [diff] [blame] | 1496 | } |
Calin Juravle | ffc8707 | 2016-04-20 14:22:09 +0100 | [diff] [blame] | 1497 | if (runtime->UseJitCompilation()) { |
Mathieu Chartier | 28a3588 | 2015-02-26 18:28:07 -0800 | [diff] [blame] | 1498 | // If we are the JIT, then don't allow a direct call to the interpreter bridge since this will |
| 1499 | // never be updated even after we compile the method. |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 1500 | if (cl->IsQuickToInterpreterBridge( |
Mathieu Chartier | 28a3588 | 2015-02-26 18:28:07 -0800 | [diff] [blame] | 1501 | reinterpret_cast<const void*>(compiler_->GetEntryPointOf(method)))) { |
| 1502 | use_dex_cache = true; |
| 1503 | } |
| 1504 | } |
Nicolas Geoffray | 5e4e11e | 2016-09-22 13:17:41 +0100 | [diff] [blame] | 1505 | |
Alex Light | a59dd80 | 2014-07-02 16:28:08 -0700 | [diff] [blame] | 1506 | if (!use_dex_cache && force_relocations) { |
Jeff Hao | a0acc2d | 2015-01-27 11:22:04 -0800 | [diff] [blame] | 1507 | bool is_in_image; |
Vladimir Marko | aad75c6 | 2016-10-03 08:46:48 +0000 | [diff] [blame] | 1508 | if (GetCompilerOptions().IsBootImage()) { |
Jeff Hao | a0acc2d | 2015-01-27 11:22:04 -0800 | [diff] [blame] | 1509 | is_in_image = IsImageClass(method->GetDeclaringClassDescriptor()); |
| 1510 | } else { |
| 1511 | is_in_image = instruction_set_ != kX86 && instruction_set_ != kX86_64 && |
Vladimir Marko | c08ab29 | 2015-06-22 14:35:42 +0100 | [diff] [blame] | 1512 | heap->FindSpaceFromObject(method->GetDeclaringClass(), false)->IsImageSpace() && |
| 1513 | !cl->IsQuickToInterpreterBridge( |
| 1514 | reinterpret_cast<const void*>(compiler_->GetEntryPointOf(method))); |
Jeff Hao | a0acc2d | 2015-01-27 11:22:04 -0800 | [diff] [blame] | 1515 | } |
| 1516 | if (!is_in_image) { |
Ian Rogers | 83883d7 | 2013-10-21 21:07:24 -0700 | [diff] [blame] | 1517 | // We can only branch directly to Methods that are resolved in the DexCache. |
| 1518 | // Otherwise we won't invoke the resolution trampoline. |
| 1519 | use_dex_cache = true; |
| 1520 | } |
| 1521 | } |
Nicolas Geoffray | 5e4e11e | 2016-09-22 13:17:41 +0100 | [diff] [blame] | 1522 | |
| 1523 | if (!use_dex_cache) { |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 1524 | bool method_in_image = false; |
Jeff Hao | dcdc85b | 2015-12-04 14:06:18 -0800 | [diff] [blame] | 1525 | const std::vector<gc::space::ImageSpace*> image_spaces = heap->GetBootImageSpaces(); |
| 1526 | for (gc::space::ImageSpace* image_space : image_spaces) { |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 1527 | const auto& method_section = image_space->GetImageHeader().GetMethodsSection(); |
Jeff Hao | dcdc85b | 2015-12-04 14:06:18 -0800 | [diff] [blame] | 1528 | if (method_section.Contains(reinterpret_cast<uint8_t*>(method) - image_space->Begin())) { |
| 1529 | method_in_image = true; |
| 1530 | break; |
| 1531 | } |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 1532 | } |
Calin Juravle | ffc8707 | 2016-04-20 14:22:09 +0100 | [diff] [blame] | 1533 | if (method_in_image || compiling_boot || runtime->UseJitCompilation()) { |
Alex Light | a59dd80 | 2014-07-02 16:28:08 -0700 | [diff] [blame] | 1534 | // We know we must be able to get to the method in the image, so use that pointer. |
Mathieu Chartier | 6ced409 | 2015-02-27 16:10:48 -0800 | [diff] [blame] | 1535 | // In the case where we are the JIT, we can always use direct pointers since we know where |
| 1536 | // the method and its code are / will be. We don't sharpen to interpreter bridge since we |
| 1537 | // check IsQuickToInterpreterBridge above. |
Vladimir Marko | a51a0b0 | 2014-05-21 12:08:39 +0100 | [diff] [blame] | 1538 | CHECK(!method->IsAbstract()); |
Alex Light | a59dd80 | 2014-07-02 16:28:08 -0700 | [diff] [blame] | 1539 | *direct_method = force_relocations ? -1 : reinterpret_cast<uintptr_t>(method); |
| 1540 | *direct_code = force_relocations ? -1 : compiler_->GetEntryPointOf(method); |
Nicolas Geoffray | 5e4e11e | 2016-09-22 13:17:41 +0100 | [diff] [blame] | 1541 | } else { |
Vladimir Marko | a51a0b0 | 2014-05-21 12:08:39 +0100 | [diff] [blame] | 1542 | // Set the code and rely on the dex cache for the method. |
Nicolas Geoffray | 5e4e11e | 2016-09-22 13:17:41 +0100 | [diff] [blame] | 1543 | *direct_code = force_relocations ? -1 : compiler_->GetEntryPointOf(method); |
Ian Rogers | 83883d7 | 2013-10-21 21:07:24 -0700 | [diff] [blame] | 1544 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1545 | } |
| 1546 | } |
| 1547 | |
Vladimir Marko | 2730db0 | 2014-01-27 11:15:17 +0000 | [diff] [blame] | 1548 | const VerifiedMethod* CompilerDriver::GetVerifiedMethod(const DexFile* dex_file, |
| 1549 | uint32_t method_idx) const { |
| 1550 | MethodReference ref(dex_file, method_idx); |
| 1551 | return verification_results_->GetVerifiedMethod(ref); |
| 1552 | } |
| 1553 | |
| 1554 | bool CompilerDriver::IsSafeCast(const DexCompilationUnit* mUnit, uint32_t dex_pc) { |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 1555 | if (!compiler_options_->IsVerificationEnabled()) { |
| 1556 | // If we didn't verify, every cast has to be treated as non-safe. |
| 1557 | return false; |
| 1558 | } |
Vladimir Marko | 2730db0 | 2014-01-27 11:15:17 +0000 | [diff] [blame] | 1559 | DCHECK(mUnit->GetVerifiedMethod() != nullptr); |
| 1560 | bool result = mUnit->GetVerifiedMethod()->IsSafeCast(dex_pc); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1561 | if (result) { |
| 1562 | stats_->SafeCast(); |
| 1563 | } else { |
| 1564 | stats_->NotASafeCast(); |
| 1565 | } |
| 1566 | return result; |
| 1567 | } |
| 1568 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1569 | class CompilationVisitor { |
| 1570 | public: |
| 1571 | virtual ~CompilationVisitor() {} |
| 1572 | virtual void Visit(size_t index) = 0; |
| 1573 | }; |
| 1574 | |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1575 | class ParallelCompilationManager { |
| 1576 | public: |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1577 | ParallelCompilationManager(ClassLinker* class_linker, |
| 1578 | jobject class_loader, |
| 1579 | CompilerDriver* compiler, |
| 1580 | const DexFile* dex_file, |
Andreas Gampe | de7b436 | 2014-07-28 18:38:57 -0700 | [diff] [blame] | 1581 | const std::vector<const DexFile*>& dex_files, |
Ian Rogers | 3d50407 | 2014-03-01 09:16:49 -0800 | [diff] [blame] | 1582 | ThreadPool* thread_pool) |
Mathieu Chartier | 0b3eb39 | 2013-08-23 14:56:59 -0700 | [diff] [blame] | 1583 | : index_(0), |
| 1584 | class_linker_(class_linker), |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1585 | class_loader_(class_loader), |
| 1586 | compiler_(compiler), |
| 1587 | dex_file_(dex_file), |
Andreas Gampe | de7b436 | 2014-07-28 18:38:57 -0700 | [diff] [blame] | 1588 | dex_files_(dex_files), |
Ian Rogers | 3d50407 | 2014-03-01 09:16:49 -0800 | [diff] [blame] | 1589 | thread_pool_(thread_pool) {} |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1590 | |
| 1591 | ClassLinker* GetClassLinker() const { |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 1592 | CHECK(class_linker_ != nullptr); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1593 | return class_linker_; |
| 1594 | } |
| 1595 | |
| 1596 | jobject GetClassLoader() const { |
| 1597 | return class_loader_; |
| 1598 | } |
| 1599 | |
| 1600 | CompilerDriver* GetCompiler() const { |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 1601 | CHECK(compiler_ != nullptr); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1602 | return compiler_; |
| 1603 | } |
| 1604 | |
| 1605 | const DexFile* GetDexFile() const { |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 1606 | CHECK(dex_file_ != nullptr); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1607 | return dex_file_; |
| 1608 | } |
| 1609 | |
Andreas Gampe | de7b436 | 2014-07-28 18:38:57 -0700 | [diff] [blame] | 1610 | const std::vector<const DexFile*>& GetDexFiles() const { |
| 1611 | return dex_files_; |
| 1612 | } |
| 1613 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1614 | void ForAll(size_t begin, size_t end, CompilationVisitor* visitor, size_t work_units) |
| 1615 | REQUIRES(!*Locks::mutator_lock_) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1616 | Thread* self = Thread::Current(); |
| 1617 | self->AssertNoPendingException(); |
| 1618 | CHECK_GT(work_units, 0U); |
| 1619 | |
Ian Rogers | 3e5cf30 | 2014-05-20 16:40:37 -0700 | [diff] [blame] | 1620 | index_.StoreRelaxed(begin); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1621 | for (size_t i = 0; i < work_units; ++i) { |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1622 | thread_pool_->AddTask(self, new ForAllClosure(this, end, visitor)); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1623 | } |
| 1624 | thread_pool_->StartWorkers(self); |
| 1625 | |
| 1626 | // Ensure we're suspended while we're blocked waiting for the other threads to finish (worker |
| 1627 | // thread destructor's called below perform join). |
| 1628 | CHECK_NE(self->GetState(), kRunnable); |
| 1629 | |
| 1630 | // Wait for all the worker threads to finish. |
| 1631 | thread_pool_->Wait(self, true, false); |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 1632 | |
| 1633 | // And stop the workers accepting jobs. |
| 1634 | thread_pool_->StopWorkers(self); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1635 | } |
| 1636 | |
Mathieu Chartier | 0b3eb39 | 2013-08-23 14:56:59 -0700 | [diff] [blame] | 1637 | size_t NextIndex() { |
Ian Rogers | 3e5cf30 | 2014-05-20 16:40:37 -0700 | [diff] [blame] | 1638 | return index_.FetchAndAddSequentiallyConsistent(1); |
Mathieu Chartier | 0b3eb39 | 2013-08-23 14:56:59 -0700 | [diff] [blame] | 1639 | } |
| 1640 | |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1641 | private: |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1642 | class ForAllClosure : public Task { |
| 1643 | public: |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1644 | ForAllClosure(ParallelCompilationManager* manager, size_t end, CompilationVisitor* visitor) |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1645 | : manager_(manager), |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1646 | end_(end), |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1647 | visitor_(visitor) {} |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1648 | |
| 1649 | virtual void Run(Thread* self) { |
Mathieu Chartier | 0b3eb39 | 2013-08-23 14:56:59 -0700 | [diff] [blame] | 1650 | while (true) { |
| 1651 | const size_t index = manager_->NextIndex(); |
| 1652 | if (UNLIKELY(index >= end_)) { |
| 1653 | break; |
| 1654 | } |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1655 | visitor_->Visit(index); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1656 | self->AssertNoPendingException(); |
| 1657 | } |
| 1658 | } |
| 1659 | |
| 1660 | virtual void Finalize() { |
| 1661 | delete this; |
| 1662 | } |
Brian Carlstrom | 0cd7ec2 | 2013-07-17 23:40:20 -0700 | [diff] [blame] | 1663 | |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1664 | private: |
Mathieu Chartier | 0b3eb39 | 2013-08-23 14:56:59 -0700 | [diff] [blame] | 1665 | ParallelCompilationManager* const manager_; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1666 | const size_t end_; |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1667 | CompilationVisitor* const visitor_; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1668 | }; |
| 1669 | |
Mathieu Chartier | 0b3eb39 | 2013-08-23 14:56:59 -0700 | [diff] [blame] | 1670 | AtomicInteger index_; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1671 | ClassLinker* const class_linker_; |
| 1672 | const jobject class_loader_; |
| 1673 | CompilerDriver* const compiler_; |
| 1674 | const DexFile* const dex_file_; |
Andreas Gampe | de7b436 | 2014-07-28 18:38:57 -0700 | [diff] [blame] | 1675 | const std::vector<const DexFile*>& dex_files_; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1676 | ThreadPool* const thread_pool_; |
Mathieu Chartier | 0b3eb39 | 2013-08-23 14:56:59 -0700 | [diff] [blame] | 1677 | |
| 1678 | DISALLOW_COPY_AND_ASSIGN(ParallelCompilationManager); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1679 | }; |
| 1680 | |
Jeff Hao | 0e49b42 | 2013-11-08 12:16:56 -0800 | [diff] [blame] | 1681 | // A fast version of SkipClass above if the class pointer is available |
| 1682 | // that avoids the expensive FindInClassPath search. |
| 1683 | static bool SkipClass(jobject class_loader, const DexFile& dex_file, mirror::Class* klass) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 1684 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 1685 | DCHECK(klass != nullptr); |
Jeff Hao | 0e49b42 | 2013-11-08 12:16:56 -0800 | [diff] [blame] | 1686 | const DexFile& original_dex_file = *klass->GetDexCache()->GetDexFile(); |
| 1687 | if (&dex_file != &original_dex_file) { |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 1688 | if (class_loader == nullptr) { |
David Sehr | 709b070 | 2016-10-13 09:12:37 -0700 | [diff] [blame] | 1689 | LOG(WARNING) << "Skipping class " << klass->PrettyDescriptor() << " from " |
Jeff Hao | 0e49b42 | 2013-11-08 12:16:56 -0800 | [diff] [blame] | 1690 | << dex_file.GetLocation() << " previously found in " |
| 1691 | << original_dex_file.GetLocation(); |
| 1692 | } |
| 1693 | return true; |
| 1694 | } |
| 1695 | return false; |
| 1696 | } |
| 1697 | |
Mathieu Chartier | 70b6348 | 2014-06-27 17:19:04 -0700 | [diff] [blame] | 1698 | static void CheckAndClearResolveException(Thread* self) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 1699 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Mathieu Chartier | 70b6348 | 2014-06-27 17:19:04 -0700 | [diff] [blame] | 1700 | CHECK(self->IsExceptionPending()); |
Nicolas Geoffray | 14691c5 | 2015-03-05 10:40:17 +0000 | [diff] [blame] | 1701 | mirror::Throwable* exception = self->GetException(); |
Ian Rogers | 1ff3c98 | 2014-08-12 02:30:58 -0700 | [diff] [blame] | 1702 | std::string temp; |
| 1703 | const char* descriptor = exception->GetClass()->GetDescriptor(&temp); |
| 1704 | const char* expected_exceptions[] = { |
| 1705 | "Ljava/lang/IllegalAccessError;", |
| 1706 | "Ljava/lang/IncompatibleClassChangeError;", |
| 1707 | "Ljava/lang/InstantiationError;", |
Brian Carlstrom | 898fcb5 | 2014-08-25 23:07:30 -0700 | [diff] [blame] | 1708 | "Ljava/lang/LinkageError;", |
Ian Rogers | 1ff3c98 | 2014-08-12 02:30:58 -0700 | [diff] [blame] | 1709 | "Ljava/lang/NoClassDefFoundError;", |
| 1710 | "Ljava/lang/NoSuchFieldError;", |
| 1711 | "Ljava/lang/NoSuchMethodError;" |
| 1712 | }; |
| 1713 | bool found = false; |
| 1714 | for (size_t i = 0; (found == false) && (i < arraysize(expected_exceptions)); ++i) { |
| 1715 | if (strcmp(descriptor, expected_exceptions[i]) == 0) { |
| 1716 | found = true; |
| 1717 | } |
| 1718 | } |
| 1719 | if (!found) { |
Brian Carlstrom | 898fcb5 | 2014-08-25 23:07:30 -0700 | [diff] [blame] | 1720 | LOG(FATAL) << "Unexpected exception " << exception->Dump(); |
Mathieu Chartier | 70b6348 | 2014-06-27 17:19:04 -0700 | [diff] [blame] | 1721 | } |
| 1722 | self->ClearException(); |
| 1723 | } |
| 1724 | |
Mathieu Chartier | b5d3861 | 2016-04-07 10:52:52 -0700 | [diff] [blame] | 1725 | bool CompilerDriver::RequiresConstructorBarrier(const DexFile& dex_file, |
| 1726 | uint16_t class_def_idx) const { |
| 1727 | const DexFile::ClassDef& class_def = dex_file.GetClassDef(class_def_idx); |
| 1728 | const uint8_t* class_data = dex_file.GetClassData(class_def); |
| 1729 | if (class_data == nullptr) { |
| 1730 | // Empty class such as a marker interface. |
| 1731 | return false; |
| 1732 | } |
| 1733 | ClassDataItemIterator it(dex_file, class_data); |
| 1734 | while (it.HasNextStaticField()) { |
| 1735 | it.Next(); |
| 1736 | } |
| 1737 | // We require a constructor barrier if there are final instance fields. |
| 1738 | while (it.HasNextInstanceField()) { |
| 1739 | if (it.MemberIsFinal()) { |
| 1740 | return true; |
| 1741 | } |
| 1742 | it.Next(); |
| 1743 | } |
| 1744 | return false; |
| 1745 | } |
| 1746 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1747 | class ResolveClassFieldsAndMethodsVisitor : public CompilationVisitor { |
| 1748 | public: |
| 1749 | explicit ResolveClassFieldsAndMethodsVisitor(const ParallelCompilationManager* manager) |
| 1750 | : manager_(manager) {} |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1751 | |
Mathieu Chartier | e0671ce | 2015-07-28 17:23:28 -0700 | [diff] [blame] | 1752 | void Visit(size_t class_def_index) OVERRIDE REQUIRES(!Locks::mutator_lock_) { |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1753 | ATRACE_CALL(); |
| 1754 | Thread* const self = Thread::Current(); |
| 1755 | jobject jclass_loader = manager_->GetClassLoader(); |
| 1756 | const DexFile& dex_file = *manager_->GetDexFile(); |
| 1757 | ClassLinker* class_linker = manager_->GetClassLinker(); |
Ian Rogers | e6bb3b2 | 2013-08-19 21:51:45 -0700 | [diff] [blame] | 1758 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1759 | // If an instance field is final then we need to have a barrier on the return, static final |
| 1760 | // fields are assigned within the lock held for class initialization. Conservatively assume |
| 1761 | // constructor barriers are always required. |
| 1762 | bool requires_constructor_barrier = true; |
| 1763 | |
| 1764 | // Method and Field are the worst. We can't resolve without either |
| 1765 | // context from the code use (to disambiguate virtual vs direct |
| 1766 | // method and instance vs static field) or from class |
| 1767 | // definitions. While the compiler will resolve what it can as it |
| 1768 | // needs it, here we try to resolve fields and methods used in class |
| 1769 | // definitions, since many of them many never be referenced by |
| 1770 | // generated code. |
| 1771 | const DexFile::ClassDef& class_def = dex_file.GetClassDef(class_def_index); |
| 1772 | ScopedObjectAccess soa(self); |
| 1773 | StackHandleScope<2> hs(soa.Self()); |
| 1774 | Handle<mirror::ClassLoader> class_loader( |
Mathieu Chartier | 0795f23 | 2016-09-27 18:43:30 -0700 | [diff] [blame] | 1775 | hs.NewHandle(soa.Decode<mirror::ClassLoader>(jclass_loader))); |
Mathieu Chartier | 673ed3d | 2015-08-28 14:56:43 -0700 | [diff] [blame] | 1776 | Handle<mirror::DexCache> dex_cache(hs.NewHandle(class_linker->FindDexCache( |
| 1777 | soa.Self(), dex_file, false))); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1778 | // Resolve the class. |
| 1779 | mirror::Class* klass = class_linker->ResolveType(dex_file, class_def.class_idx_, dex_cache, |
| 1780 | class_loader); |
| 1781 | bool resolve_fields_and_methods; |
| 1782 | if (klass == nullptr) { |
| 1783 | // Class couldn't be resolved, for example, super-class is in a different dex file. Don't |
| 1784 | // attempt to resolve methods and fields when there is no declaring class. |
| 1785 | CheckAndClearResolveException(soa.Self()); |
| 1786 | resolve_fields_and_methods = false; |
| 1787 | } else { |
| 1788 | // We successfully resolved a class, should we skip it? |
| 1789 | if (SkipClass(jclass_loader, dex_file, klass)) { |
| 1790 | return; |
Ian Rogers | e6bb3b2 | 2013-08-19 21:51:45 -0700 | [diff] [blame] | 1791 | } |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1792 | // We want to resolve the methods and fields eagerly. |
| 1793 | resolve_fields_and_methods = true; |
Ian Rogers | 68b5685 | 2014-08-29 20:19:11 -0700 | [diff] [blame] | 1794 | } |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1795 | // Note the class_data pointer advances through the headers, |
| 1796 | // static fields, instance fields, direct methods, and virtual |
| 1797 | // methods. |
| 1798 | const uint8_t* class_data = dex_file.GetClassData(class_def); |
| 1799 | if (class_data == nullptr) { |
| 1800 | // Empty class such as a marker interface. |
| 1801 | requires_constructor_barrier = false; |
| 1802 | } else { |
| 1803 | ClassDataItemIterator it(dex_file, class_data); |
| 1804 | while (it.HasNextStaticField()) { |
| 1805 | if (resolve_fields_and_methods) { |
| 1806 | ArtField* field = class_linker->ResolveField(dex_file, it.GetMemberIndex(), |
| 1807 | dex_cache, class_loader, true); |
| 1808 | if (field == nullptr) { |
| 1809 | CheckAndClearResolveException(soa.Self()); |
| 1810 | } |
Ian Rogers | 68b5685 | 2014-08-29 20:19:11 -0700 | [diff] [blame] | 1811 | } |
| 1812 | it.Next(); |
| 1813 | } |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1814 | // We require a constructor barrier if there are final instance fields. |
| 1815 | requires_constructor_barrier = false; |
| 1816 | while (it.HasNextInstanceField()) { |
| 1817 | if (it.MemberIsFinal()) { |
| 1818 | requires_constructor_barrier = true; |
| 1819 | } |
| 1820 | if (resolve_fields_and_methods) { |
| 1821 | ArtField* field = class_linker->ResolveField(dex_file, it.GetMemberIndex(), |
| 1822 | dex_cache, class_loader, false); |
| 1823 | if (field == nullptr) { |
| 1824 | CheckAndClearResolveException(soa.Self()); |
| 1825 | } |
Ian Rogers | 68b5685 | 2014-08-29 20:19:11 -0700 | [diff] [blame] | 1826 | } |
| 1827 | it.Next(); |
| 1828 | } |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1829 | if (resolve_fields_and_methods) { |
| 1830 | while (it.HasNextDirectMethod()) { |
Andreas Gampe | 42ef8ab | 2015-12-03 17:27:32 -0800 | [diff] [blame] | 1831 | ArtMethod* method = class_linker->ResolveMethod<ClassLinker::kNoICCECheckForCache>( |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1832 | dex_file, it.GetMemberIndex(), dex_cache, class_loader, nullptr, |
| 1833 | it.GetMethodInvokeType(class_def)); |
| 1834 | if (method == nullptr) { |
| 1835 | CheckAndClearResolveException(soa.Self()); |
| 1836 | } |
| 1837 | it.Next(); |
| 1838 | } |
| 1839 | while (it.HasNextVirtualMethod()) { |
Andreas Gampe | 42ef8ab | 2015-12-03 17:27:32 -0800 | [diff] [blame] | 1840 | ArtMethod* method = class_linker->ResolveMethod<ClassLinker::kNoICCECheckForCache>( |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1841 | dex_file, it.GetMemberIndex(), dex_cache, class_loader, nullptr, |
| 1842 | it.GetMethodInvokeType(class_def)); |
| 1843 | if (method == nullptr) { |
| 1844 | CheckAndClearResolveException(soa.Self()); |
| 1845 | } |
| 1846 | it.Next(); |
| 1847 | } |
| 1848 | DCHECK(!it.HasNext()); |
| 1849 | } |
| 1850 | } |
Mathieu Chartier | c4ae916 | 2016-04-07 13:19:19 -0700 | [diff] [blame] | 1851 | manager_->GetCompiler()->SetRequiresConstructorBarrier(self, |
| 1852 | &dex_file, |
| 1853 | class_def_index, |
| 1854 | requires_constructor_barrier); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1855 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1856 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1857 | private: |
| 1858 | const ParallelCompilationManager* const manager_; |
| 1859 | }; |
| 1860 | |
| 1861 | class ResolveTypeVisitor : public CompilationVisitor { |
| 1862 | public: |
| 1863 | explicit ResolveTypeVisitor(const ParallelCompilationManager* manager) : manager_(manager) { |
| 1864 | } |
| 1865 | virtual void Visit(size_t type_idx) OVERRIDE REQUIRES(!Locks::mutator_lock_) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1866 | // Class derived values are more complicated, they require the linker and loader. |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1867 | ScopedObjectAccess soa(Thread::Current()); |
| 1868 | ClassLinker* class_linker = manager_->GetClassLinker(); |
| 1869 | const DexFile& dex_file = *manager_->GetDexFile(); |
| 1870 | StackHandleScope<2> hs(soa.Self()); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1871 | Handle<mirror::ClassLoader> class_loader( |
Mathieu Chartier | 0795f23 | 2016-09-27 18:43:30 -0700 | [diff] [blame] | 1872 | hs.NewHandle(soa.Decode<mirror::ClassLoader>(manager_->GetClassLoader()))); |
Mathieu Chartier | d57d454 | 2015-10-14 10:55:30 -0700 | [diff] [blame] | 1873 | Handle<mirror::DexCache> dex_cache(hs.NewHandle(class_linker->RegisterDexFile( |
| 1874 | dex_file, |
Mathieu Chartier | f284d44 | 2016-06-02 11:48:30 -0700 | [diff] [blame] | 1875 | class_loader.Get()))); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1876 | mirror::Class* klass = class_linker->ResolveType(dex_file, type_idx, dex_cache, class_loader); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1877 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1878 | if (klass == nullptr) { |
| 1879 | soa.Self()->AssertPendingException(); |
| 1880 | mirror::Throwable* exception = soa.Self()->GetException(); |
| 1881 | VLOG(compiler) << "Exception during type resolution: " << exception->Dump(); |
| 1882 | if (exception->GetClass()->DescriptorEquals("Ljava/lang/OutOfMemoryError;")) { |
| 1883 | // There's little point continuing compilation if the heap is exhausted. |
| 1884 | LOG(FATAL) << "Out of memory during type resolution for compilation"; |
| 1885 | } |
| 1886 | soa.Self()->ClearException(); |
Ian Rogers | a436fde | 2013-08-27 23:34:06 -0700 | [diff] [blame] | 1887 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1888 | } |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1889 | |
| 1890 | private: |
| 1891 | const ParallelCompilationManager* const manager_; |
| 1892 | }; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1893 | |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 1894 | void CompilerDriver::ResolveDexFile(jobject class_loader, |
| 1895 | const DexFile& dex_file, |
Andreas Gampe | de7b436 | 2014-07-28 18:38:57 -0700 | [diff] [blame] | 1896 | const std::vector<const DexFile*>& dex_files, |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 1897 | ThreadPool* thread_pool, |
| 1898 | size_t thread_count, |
| 1899 | TimingLogger* timings) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1900 | ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); |
| 1901 | |
| 1902 | // TODO: we could resolve strings here, although the string table is largely filled with class |
| 1903 | // and method names. |
| 1904 | |
Andreas Gampe | de7b436 | 2014-07-28 18:38:57 -0700 | [diff] [blame] | 1905 | ParallelCompilationManager context(class_linker, class_loader, this, &dex_file, dex_files, |
| 1906 | thread_pool); |
Vladimir Marko | aad75c6 | 2016-10-03 08:46:48 +0000 | [diff] [blame] | 1907 | if (GetCompilerOptions().IsBootImage()) { |
Ian Rogers | e6bb3b2 | 2013-08-19 21:51:45 -0700 | [diff] [blame] | 1908 | // For images we resolve all types, such as array, whereas for applications just those with |
| 1909 | // classdefs are resolved by ResolveClassFieldsAndMethods. |
Mathieu Chartier | f5997b4 | 2014-06-20 10:37:54 -0700 | [diff] [blame] | 1910 | TimingLogger::ScopedTiming t("Resolve Types", timings); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1911 | ResolveTypeVisitor visitor(&context); |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 1912 | context.ForAll(0, dex_file.NumTypeIds(), &visitor, thread_count); |
Ian Rogers | e6bb3b2 | 2013-08-19 21:51:45 -0700 | [diff] [blame] | 1913 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1914 | |
Mathieu Chartier | f5997b4 | 2014-06-20 10:37:54 -0700 | [diff] [blame] | 1915 | TimingLogger::ScopedTiming t("Resolve MethodsAndFields", timings); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1916 | ResolveClassFieldsAndMethodsVisitor visitor(&context); |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 1917 | context.ForAll(0, dex_file.NumClassDefs(), &visitor, thread_count); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1918 | } |
| 1919 | |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 1920 | void CompilerDriver::SetVerified(jobject class_loader, |
| 1921 | const std::vector<const DexFile*>& dex_files, |
| 1922 | TimingLogger* timings) { |
| 1923 | // This can be run in parallel. |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1924 | for (const DexFile* dex_file : dex_files) { |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 1925 | CHECK(dex_file != nullptr); |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 1926 | SetVerifiedDexFile(class_loader, |
| 1927 | *dex_file, |
| 1928 | dex_files, |
| 1929 | parallel_thread_pool_.get(), |
| 1930 | parallel_thread_count_, |
| 1931 | timings); |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 1932 | } |
| 1933 | } |
| 1934 | |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 1935 | void CompilerDriver::Verify(jobject class_loader, |
| 1936 | const std::vector<const DexFile*>& dex_files, |
| 1937 | TimingLogger* timings) { |
| 1938 | // Note: verification should not be pulling in classes anymore when compiling the boot image, |
| 1939 | // as all should have been resolved before. As such, doing this in parallel should still |
| 1940 | // be deterministic. |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1941 | for (const DexFile* dex_file : dex_files) { |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 1942 | CHECK(dex_file != nullptr); |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 1943 | VerifyDexFile(class_loader, |
| 1944 | *dex_file, |
| 1945 | dex_files, |
| 1946 | parallel_thread_pool_.get(), |
| 1947 | parallel_thread_count_, |
| 1948 | timings); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1949 | } |
| 1950 | } |
| 1951 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1952 | class VerifyClassVisitor : public CompilationVisitor { |
| 1953 | public: |
Andreas Gampe | 5fd66d0 | 2016-09-12 20:22:19 -0700 | [diff] [blame] | 1954 | VerifyClassVisitor(const ParallelCompilationManager* manager, verifier::HardFailLogMode log_level) |
Andreas Gampe | 7fe3023 | 2016-03-25 16:58:00 -0700 | [diff] [blame] | 1955 | : manager_(manager), log_level_(log_level) {} |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1956 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1957 | virtual void Visit(size_t class_def_index) REQUIRES(!Locks::mutator_lock_) OVERRIDE { |
| 1958 | ATRACE_CALL(); |
| 1959 | ScopedObjectAccess soa(Thread::Current()); |
| 1960 | const DexFile& dex_file = *manager_->GetDexFile(); |
Mathieu Chartier | a807780 | 2016-03-16 19:08:31 -0700 | [diff] [blame] | 1961 | if (!manager_->GetCompiler()->ShouldVerifyClassBasedOnProfile(dex_file, class_def_index)) { |
| 1962 | // Skip verification since the class is not in the profile. |
| 1963 | return; |
| 1964 | } |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1965 | const DexFile::ClassDef& class_def = dex_file.GetClassDef(class_def_index); |
| 1966 | const char* descriptor = dex_file.GetClassDescriptor(class_def); |
| 1967 | ClassLinker* class_linker = manager_->GetClassLinker(); |
| 1968 | jobject jclass_loader = manager_->GetClassLoader(); |
| 1969 | StackHandleScope<3> hs(soa.Self()); |
| 1970 | Handle<mirror::ClassLoader> class_loader( |
Mathieu Chartier | 0795f23 | 2016-09-27 18:43:30 -0700 | [diff] [blame] | 1971 | hs.NewHandle(soa.Decode<mirror::ClassLoader>(jclass_loader))); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1972 | Handle<mirror::Class> klass( |
| 1973 | hs.NewHandle(class_linker->FindClass(soa.Self(), descriptor, class_loader))); |
Nicolas Geoffray | 0802518 | 2016-10-25 17:20:18 +0100 | [diff] [blame] | 1974 | verifier::MethodVerifier::FailureKind failure_kind; |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1975 | if (klass.Get() == nullptr) { |
Ian Rogers | e6bb3b2 | 2013-08-19 21:51:45 -0700 | [diff] [blame] | 1976 | CHECK(soa.Self()->IsExceptionPending()); |
| 1977 | soa.Self()->ClearException(); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1978 | |
| 1979 | /* |
| 1980 | * At compile time, we can still structurally verify the class even if FindClass fails. |
| 1981 | * This is to ensure the class is structurally sound for compilation. An unsound class |
| 1982 | * will be rejected by the verifier and later skipped during compilation in the compiler. |
| 1983 | */ |
Mathieu Chartier | 673ed3d | 2015-08-28 14:56:43 -0700 | [diff] [blame] | 1984 | Handle<mirror::DexCache> dex_cache(hs.NewHandle(class_linker->FindDexCache( |
| 1985 | soa.Self(), dex_file, false))); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1986 | std::string error_msg; |
Nicolas Geoffray | 0802518 | 2016-10-25 17:20:18 +0100 | [diff] [blame] | 1987 | failure_kind = |
| 1988 | verifier::MethodVerifier::VerifyClass(soa.Self(), |
Andreas Gampe | ec6e6c1 | 2015-11-05 20:39:56 -0800 | [diff] [blame] | 1989 | &dex_file, |
| 1990 | dex_cache, |
| 1991 | class_loader, |
David Brazdil | 15fc729 | 2016-09-02 14:13:18 +0100 | [diff] [blame] | 1992 | class_def, |
Andreas Gampe | 53e32d1 | 2015-12-09 21:03:23 -0800 | [diff] [blame] | 1993 | Runtime::Current()->GetCompilerCallbacks(), |
Andreas Gampe | ec6e6c1 | 2015-11-05 20:39:56 -0800 | [diff] [blame] | 1994 | true /* allow soft failures */, |
Andreas Gampe | 7fe3023 | 2016-03-25 16:58:00 -0700 | [diff] [blame] | 1995 | log_level_, |
Nicolas Geoffray | 0802518 | 2016-10-25 17:20:18 +0100 | [diff] [blame] | 1996 | &error_msg); |
| 1997 | if (failure_kind == verifier::MethodVerifier::kHardFailure) { |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1998 | LOG(ERROR) << "Verification failed on class " << PrettyDescriptor(descriptor) |
| 1999 | << " because: " << error_msg; |
| 2000 | manager_->GetCompiler()->SetHadHardVerifierFailure(); |
| 2001 | } |
| 2002 | } else if (!SkipClass(jclass_loader, dex_file, klass.Get())) { |
David Sehr | 709b070 | 2016-10-13 09:12:37 -0700 | [diff] [blame] | 2003 | CHECK(klass->IsResolved()) << klass->PrettyClass(); |
Nicolas Geoffray | 0802518 | 2016-10-25 17:20:18 +0100 | [diff] [blame] | 2004 | failure_kind = class_linker->VerifyClass(soa.Self(), klass, log_level_); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2005 | |
| 2006 | if (klass->IsErroneous()) { |
| 2007 | // ClassLinker::VerifyClass throws, which isn't useful in the compiler. |
| 2008 | CHECK(soa.Self()->IsExceptionPending()); |
| 2009 | soa.Self()->ClearException(); |
| 2010 | manager_->GetCompiler()->SetHadHardVerifierFailure(); |
| 2011 | } |
| 2012 | |
| 2013 | CHECK(klass->IsCompileTimeVerified() || klass->IsErroneous()) |
David Sehr | 709b070 | 2016-10-13 09:12:37 -0700 | [diff] [blame] | 2014 | << klass->PrettyDescriptor() << ": state=" << klass->GetStatus(); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2015 | |
Narayan Kamath | e3eae5e | 2016-10-27 11:47:30 +0100 | [diff] [blame^] | 2016 | // It is *very* problematic if there are verification errors in the boot classpath. For example, |
| 2017 | // we rely on things working OK without verification when the decryption dialog is brought up. |
| 2018 | // So abort in a debug build if we find this violated. |
| 2019 | if (kIsDebugBuild) { |
| 2020 | // TODO(narayan): Remove this special case for signature polymorphic |
| 2021 | // invokes once verifier support is fully implemented. |
| 2022 | if (manager_->GetCompiler()->GetCompilerOptions().IsBootImage() && |
| 2023 | !android::base::StartsWith(descriptor, "Ljava/lang/invoke/")) { |
| 2024 | DCHECK(klass->IsVerified()) << "Boot classpath class " << klass->PrettyClass() |
| 2025 | << " failed to fully verify: state= " << klass->GetStatus(); |
| 2026 | } |
| 2027 | } |
Nicolas Geoffray | 0802518 | 2016-10-25 17:20:18 +0100 | [diff] [blame] | 2028 | } else { |
| 2029 | // Make the skip a soft failure, essentially being considered as verify at runtime. |
| 2030 | failure_kind = verifier::MethodVerifier::kSoftFailure; |
Ian Rogers | e6bb3b2 | 2013-08-19 21:51:45 -0700 | [diff] [blame] | 2031 | } |
Nicolas Geoffray | 0802518 | 2016-10-25 17:20:18 +0100 | [diff] [blame] | 2032 | verifier::VerifierDeps::MaybeRecordVerificationStatus( |
| 2033 | dex_file, class_def.class_idx_, failure_kind); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2034 | soa.Self()->AssertNoPendingException(); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2035 | } |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2036 | |
| 2037 | private: |
| 2038 | const ParallelCompilationManager* const manager_; |
Andreas Gampe | 5fd66d0 | 2016-09-12 20:22:19 -0700 | [diff] [blame] | 2039 | const verifier::HardFailLogMode log_level_; |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2040 | }; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2041 | |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 2042 | void CompilerDriver::VerifyDexFile(jobject class_loader, |
| 2043 | const DexFile& dex_file, |
Andreas Gampe | de7b436 | 2014-07-28 18:38:57 -0700 | [diff] [blame] | 2044 | const std::vector<const DexFile*>& dex_files, |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 2045 | ThreadPool* thread_pool, |
| 2046 | size_t thread_count, |
| 2047 | TimingLogger* timings) { |
Mathieu Chartier | f5997b4 | 2014-06-20 10:37:54 -0700 | [diff] [blame] | 2048 | TimingLogger::ScopedTiming t("Verify Dex File", timings); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2049 | ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); |
Andreas Gampe | de7b436 | 2014-07-28 18:38:57 -0700 | [diff] [blame] | 2050 | ParallelCompilationManager context(class_linker, class_loader, this, &dex_file, dex_files, |
| 2051 | thread_pool); |
Andreas Gampe | 5fd66d0 | 2016-09-12 20:22:19 -0700 | [diff] [blame] | 2052 | verifier::HardFailLogMode log_level = GetCompilerOptions().AbortOnHardVerifierFailure() |
| 2053 | ? verifier::HardFailLogMode::kLogInternalFatal |
| 2054 | : verifier::HardFailLogMode::kLogWarning; |
Andreas Gampe | 7fe3023 | 2016-03-25 16:58:00 -0700 | [diff] [blame] | 2055 | VerifyClassVisitor visitor(&context, log_level); |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 2056 | context.ForAll(0, dex_file.NumClassDefs(), &visitor, thread_count); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2057 | } |
| 2058 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2059 | class SetVerifiedClassVisitor : public CompilationVisitor { |
| 2060 | public: |
| 2061 | explicit SetVerifiedClassVisitor(const ParallelCompilationManager* manager) : manager_(manager) {} |
| 2062 | |
| 2063 | virtual void Visit(size_t class_def_index) REQUIRES(!Locks::mutator_lock_) OVERRIDE { |
| 2064 | ATRACE_CALL(); |
| 2065 | ScopedObjectAccess soa(Thread::Current()); |
| 2066 | const DexFile& dex_file = *manager_->GetDexFile(); |
| 2067 | const DexFile::ClassDef& class_def = dex_file.GetClassDef(class_def_index); |
| 2068 | const char* descriptor = dex_file.GetClassDescriptor(class_def); |
| 2069 | ClassLinker* class_linker = manager_->GetClassLinker(); |
| 2070 | jobject jclass_loader = manager_->GetClassLoader(); |
| 2071 | StackHandleScope<3> hs(soa.Self()); |
| 2072 | Handle<mirror::ClassLoader> class_loader( |
Mathieu Chartier | 0795f23 | 2016-09-27 18:43:30 -0700 | [diff] [blame] | 2073 | hs.NewHandle(soa.Decode<mirror::ClassLoader>(jclass_loader))); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2074 | Handle<mirror::Class> klass( |
| 2075 | hs.NewHandle(class_linker->FindClass(soa.Self(), descriptor, class_loader))); |
| 2076 | // Class might have failed resolution. Then don't set it to verified. |
| 2077 | if (klass.Get() != nullptr) { |
| 2078 | // Only do this if the class is resolved. If even resolution fails, quickening will go very, |
| 2079 | // very wrong. |
| 2080 | if (klass->IsResolved()) { |
| 2081 | if (klass->GetStatus() < mirror::Class::kStatusVerified) { |
| 2082 | ObjectLock<mirror::Class> lock(soa.Self(), klass); |
| 2083 | // Set class status to verified. |
| 2084 | mirror::Class::SetStatus(klass, mirror::Class::kStatusVerified, soa.Self()); |
| 2085 | // Mark methods as pre-verified. If we don't do this, the interpreter will run with |
| 2086 | // access checks. |
Igor Murashkin | df707e4 | 2016-02-02 16:56:50 -0800 | [diff] [blame] | 2087 | klass->SetSkipAccessChecksFlagOnAllMethods( |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2088 | GetInstructionSetPointerSize(manager_->GetCompiler()->GetInstructionSet())); |
Igor Murashkin | df707e4 | 2016-02-02 16:56:50 -0800 | [diff] [blame] | 2089 | klass->SetVerificationAttempted(); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2090 | } |
| 2091 | // Record the final class status if necessary. |
| 2092 | ClassReference ref(manager_->GetDexFile(), class_def_index); |
| 2093 | manager_->GetCompiler()->RecordClassStatus(ref, klass->GetStatus()); |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 2094 | } |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2095 | } else { |
| 2096 | Thread* self = soa.Self(); |
| 2097 | DCHECK(self->IsExceptionPending()); |
| 2098 | self->ClearException(); |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 2099 | } |
| 2100 | } |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2101 | |
| 2102 | private: |
| 2103 | const ParallelCompilationManager* const manager_; |
| 2104 | }; |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 2105 | |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 2106 | void CompilerDriver::SetVerifiedDexFile(jobject class_loader, |
| 2107 | const DexFile& dex_file, |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 2108 | const std::vector<const DexFile*>& dex_files, |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 2109 | ThreadPool* thread_pool, |
| 2110 | size_t thread_count, |
| 2111 | TimingLogger* timings) { |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 2112 | TimingLogger::ScopedTiming t("Verify Dex File", timings); |
| 2113 | ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); |
| 2114 | ParallelCompilationManager context(class_linker, class_loader, this, &dex_file, dex_files, |
| 2115 | thread_pool); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2116 | SetVerifiedClassVisitor visitor(&context); |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 2117 | context.ForAll(0, dex_file.NumClassDefs(), &visitor, thread_count); |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 2118 | } |
| 2119 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2120 | class InitializeClassVisitor : public CompilationVisitor { |
| 2121 | public: |
| 2122 | explicit InitializeClassVisitor(const ParallelCompilationManager* manager) : manager_(manager) {} |
Ian Rogers | fc0e94b | 2013-09-23 23:51:32 -0700 | [diff] [blame] | 2123 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2124 | virtual void Visit(size_t class_def_index) REQUIRES(!Locks::mutator_lock_) OVERRIDE { |
| 2125 | ATRACE_CALL(); |
| 2126 | jobject jclass_loader = manager_->GetClassLoader(); |
| 2127 | const DexFile& dex_file = *manager_->GetDexFile(); |
| 2128 | const DexFile::ClassDef& class_def = dex_file.GetClassDef(class_def_index); |
| 2129 | const DexFile::TypeId& class_type_id = dex_file.GetTypeId(class_def.class_idx_); |
| 2130 | const char* descriptor = dex_file.StringDataByIdx(class_type_id.descriptor_idx_); |
Jeff Hao | 0e49b42 | 2013-11-08 12:16:56 -0800 | [diff] [blame] | 2131 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2132 | ScopedObjectAccess soa(Thread::Current()); |
| 2133 | StackHandleScope<3> hs(soa.Self()); |
| 2134 | Handle<mirror::ClassLoader> class_loader( |
Mathieu Chartier | 0795f23 | 2016-09-27 18:43:30 -0700 | [diff] [blame] | 2135 | hs.NewHandle(soa.Decode<mirror::ClassLoader>(jclass_loader))); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2136 | Handle<mirror::Class> klass( |
| 2137 | hs.NewHandle(manager_->GetClassLinker()->FindClass(soa.Self(), descriptor, class_loader))); |
| 2138 | |
| 2139 | if (klass.Get() != nullptr && !SkipClass(jclass_loader, dex_file, klass.Get())) { |
| 2140 | // Only try to initialize classes that were successfully verified. |
| 2141 | if (klass->IsVerified()) { |
| 2142 | // Attempt to initialize the class but bail if we either need to initialize the super-class |
| 2143 | // or static fields. |
| 2144 | manager_->GetClassLinker()->EnsureInitialized(soa.Self(), klass, false, false); |
Ian Rogers | 8f3c9ae | 2013-08-20 17:26:41 -0700 | [diff] [blame] | 2145 | if (!klass->IsInitialized()) { |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2146 | // We don't want non-trivial class initialization occurring on multiple threads due to |
| 2147 | // deadlock problems. For example, a parent class is initialized (holding its lock) that |
| 2148 | // refers to a sub-class in its static/class initializer causing it to try to acquire the |
| 2149 | // sub-class' lock. While on a second thread the sub-class is initialized (holding its lock) |
| 2150 | // after first initializing its parents, whose locks are acquired. This leads to a |
| 2151 | // parent-to-child and a child-to-parent lock ordering and consequent potential deadlock. |
| 2152 | // We need to use an ObjectLock due to potential suspension in the interpreting code. Rather |
| 2153 | // than use a special Object for the purpose we use the Class of java.lang.Class. |
| 2154 | Handle<mirror::Class> h_klass(hs.NewHandle(klass->GetClass())); |
| 2155 | ObjectLock<mirror::Class> lock(soa.Self(), h_klass); |
| 2156 | // Attempt to initialize allowing initialization of parent classes but still not static |
| 2157 | // fields. |
| 2158 | manager_->GetClassLinker()->EnsureInitialized(soa.Self(), klass, false, true); |
| 2159 | if (!klass->IsInitialized()) { |
| 2160 | // We need to initialize static fields, we only do this for image classes that aren't |
| 2161 | // marked with the $NoPreloadHolder (which implies this should not be initialized early). |
Vladimir Marko | aad75c6 | 2016-10-03 08:46:48 +0000 | [diff] [blame] | 2162 | bool can_init_static_fields = |
| 2163 | manager_->GetCompiler()->GetCompilerOptions().IsBootImage() && |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2164 | manager_->GetCompiler()->IsImageClass(descriptor) && |
| 2165 | !StringPiece(descriptor).ends_with("$NoPreloadHolder;"); |
| 2166 | if (can_init_static_fields) { |
| 2167 | VLOG(compiler) << "Initializing: " << descriptor; |
| 2168 | // TODO multithreading support. We should ensure the current compilation thread has |
| 2169 | // exclusive access to the runtime and the transaction. To achieve this, we could use |
| 2170 | // a ReaderWriterMutex but we're holding the mutator lock so we fail mutex sanity |
| 2171 | // checks in Thread::AssertThreadSuspensionIsAllowable. |
| 2172 | Runtime* const runtime = Runtime::Current(); |
| 2173 | Transaction transaction; |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 2174 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2175 | // Run the class initializer in transaction mode. |
| 2176 | runtime->EnterTransactionMode(&transaction); |
| 2177 | const mirror::Class::Status old_status = klass->GetStatus(); |
| 2178 | bool success = manager_->GetClassLinker()->EnsureInitialized(soa.Self(), klass, true, |
| 2179 | true); |
| 2180 | // TODO we detach transaction from runtime to indicate we quit the transactional |
| 2181 | // mode which prevents the GC from visiting objects modified during the transaction. |
| 2182 | // Ensure GC is not run so don't access freed objects when aborting transaction. |
Mathieu Chartier | 2d5f39e | 2014-09-19 17:52:37 -0700 | [diff] [blame] | 2183 | |
Mathieu Chartier | 268764d | 2016-09-13 12:09:38 -0700 | [diff] [blame] | 2184 | ScopedAssertNoThreadSuspension ants("Transaction end"); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2185 | runtime->ExitTransactionMode(); |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 2186 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2187 | if (!success) { |
| 2188 | CHECK(soa.Self()->IsExceptionPending()); |
| 2189 | mirror::Throwable* exception = soa.Self()->GetException(); |
| 2190 | VLOG(compiler) << "Initialization of " << descriptor << " aborted because of " |
| 2191 | << exception->Dump(); |
| 2192 | std::ostream* file_log = manager_->GetCompiler()-> |
| 2193 | GetCompilerOptions().GetInitFailureOutput(); |
| 2194 | if (file_log != nullptr) { |
| 2195 | *file_log << descriptor << "\n"; |
| 2196 | *file_log << exception->Dump() << "\n"; |
| 2197 | } |
| 2198 | soa.Self()->ClearException(); |
| 2199 | transaction.Rollback(); |
| 2200 | CHECK_EQ(old_status, klass->GetStatus()) << "Previous class status not restored"; |
Andreas Gampe | dbfe254 | 2014-11-25 22:21:42 -0800 | [diff] [blame] | 2201 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2202 | } |
| 2203 | } |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2204 | soa.Self()->AssertNoPendingException(); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2205 | } |
| 2206 | } |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2207 | // Record the final class status if necessary. |
| 2208 | ClassReference ref(manager_->GetDexFile(), class_def_index); |
| 2209 | manager_->GetCompiler()->RecordClassStatus(ref, klass->GetStatus()); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2210 | } |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2211 | // Clear any class not found or verification exceptions. |
| 2212 | soa.Self()->ClearException(); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2213 | } |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2214 | |
| 2215 | private: |
| 2216 | const ParallelCompilationManager* const manager_; |
| 2217 | }; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2218 | |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 2219 | void CompilerDriver::InitializeClasses(jobject jni_class_loader, |
| 2220 | const DexFile& dex_file, |
Andreas Gampe | de7b436 | 2014-07-28 18:38:57 -0700 | [diff] [blame] | 2221 | const std::vector<const DexFile*>& dex_files, |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 2222 | TimingLogger* timings) { |
Mathieu Chartier | f5997b4 | 2014-06-20 10:37:54 -0700 | [diff] [blame] | 2223 | TimingLogger::ScopedTiming t("InitializeNoClinit", timings); |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 2224 | |
| 2225 | // Initialization allocates objects and needs to run single-threaded to be deterministic. |
| 2226 | bool force_determinism = GetCompilerOptions().IsForceDeterminism(); |
| 2227 | ThreadPool* init_thread_pool = force_determinism |
| 2228 | ? single_thread_pool_.get() |
| 2229 | : parallel_thread_pool_.get(); |
| 2230 | size_t init_thread_count = force_determinism ? 1U : parallel_thread_count_; |
| 2231 | |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2232 | ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); |
Andreas Gampe | de7b436 | 2014-07-28 18:38:57 -0700 | [diff] [blame] | 2233 | ParallelCompilationManager context(class_linker, jni_class_loader, this, &dex_file, dex_files, |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 2234 | init_thread_pool); |
Vladimir Marko | aad75c6 | 2016-10-03 08:46:48 +0000 | [diff] [blame] | 2235 | if (GetCompilerOptions().IsBootImage()) { |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 2236 | // TODO: remove this when transactional mode supports multithreading. |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 2237 | init_thread_count = 1U; |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 2238 | } |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2239 | InitializeClassVisitor visitor(&context); |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 2240 | context.ForAll(0, dex_file.NumClassDefs(), &visitor, init_thread_count); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2241 | } |
| 2242 | |
Mathieu Chartier | 91288d8 | 2016-04-28 09:44:54 -0700 | [diff] [blame] | 2243 | class InitializeArrayClassesAndCreateConflictTablesVisitor : public ClassVisitor { |
Mathieu Chartier | 085a072 | 2016-04-01 17:33:31 -0700 | [diff] [blame] | 2244 | public: |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 2245 | explicit InitializeArrayClassesAndCreateConflictTablesVisitor(VariableSizedHandleScope& hs) |
| 2246 | : hs_(hs) {} |
| 2247 | |
| 2248 | virtual bool operator()(ObjPtr<mirror::Class> klass) OVERRIDE |
| 2249 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Mathieu Chartier | 91288d8 | 2016-04-28 09:44:54 -0700 | [diff] [blame] | 2250 | if (Runtime::Current()->GetHeap()->ObjectIsInBootImageSpace(klass)) { |
| 2251 | return true; |
| 2252 | } |
Mathieu Chartier | 085a072 | 2016-04-01 17:33:31 -0700 | [diff] [blame] | 2253 | if (klass->IsArrayClass()) { |
| 2254 | StackHandleScope<1> hs(Thread::Current()); |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 2255 | auto h_klass = hs.NewHandleWrapper(&klass); |
| 2256 | Runtime::Current()->GetClassLinker()->EnsureInitialized(hs.Self(), h_klass, true, true); |
Mathieu Chartier | 085a072 | 2016-04-01 17:33:31 -0700 | [diff] [blame] | 2257 | } |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 2258 | // Collect handles since there may be thread suspension in future EnsureInitialized. |
| 2259 | to_visit_.push_back(hs_.NewHandle(klass)); |
Nicolas Geoffray | 88f288e | 2016-06-29 08:17:52 +0000 | [diff] [blame] | 2260 | return true; |
Nelli Kim | badee98 | 2016-05-13 13:08:53 +0300 | [diff] [blame] | 2261 | } |
Artem Udovichenko | a62cb9b | 2016-06-30 09:18:25 +0000 | [diff] [blame] | 2262 | |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 2263 | void FillAllIMTAndConflictTables() REQUIRES_SHARED(Locks::mutator_lock_) { |
| 2264 | for (Handle<mirror::Class> c : to_visit_) { |
| 2265 | // Create the conflict tables. |
| 2266 | FillIMTAndConflictTables(c.Get()); |
| 2267 | } |
| 2268 | } |
| 2269 | |
Artem Udovichenko | a62cb9b | 2016-06-30 09:18:25 +0000 | [diff] [blame] | 2270 | private: |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 2271 | void FillIMTAndConflictTables(ObjPtr<mirror::Class> klass) |
| 2272 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Artem Udovichenko | a62cb9b | 2016-06-30 09:18:25 +0000 | [diff] [blame] | 2273 | if (!klass->ShouldHaveImt()) { |
| 2274 | return; |
| 2275 | } |
| 2276 | if (visited_classes_.find(klass) != visited_classes_.end()) { |
| 2277 | return; |
| 2278 | } |
| 2279 | if (klass->HasSuperClass()) { |
| 2280 | FillIMTAndConflictTables(klass->GetSuperClass()); |
| 2281 | } |
| 2282 | if (!klass->IsTemp()) { |
| 2283 | Runtime::Current()->GetClassLinker()->FillIMTAndConflictTables(klass); |
| 2284 | } |
| 2285 | visited_classes_.insert(klass); |
| 2286 | } |
| 2287 | |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 2288 | VariableSizedHandleScope& hs_; |
| 2289 | std::vector<Handle<mirror::Class>> to_visit_; |
| 2290 | std::unordered_set<ObjPtr<mirror::Class>, HashObjPtr> visited_classes_; |
Mathieu Chartier | 085a072 | 2016-04-01 17:33:31 -0700 | [diff] [blame] | 2291 | }; |
| 2292 | |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2293 | void CompilerDriver::InitializeClasses(jobject class_loader, |
| 2294 | const std::vector<const DexFile*>& dex_files, |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 2295 | TimingLogger* timings) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2296 | for (size_t i = 0; i != dex_files.size(); ++i) { |
| 2297 | const DexFile* dex_file = dex_files[i]; |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 2298 | CHECK(dex_file != nullptr); |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 2299 | InitializeClasses(class_loader, *dex_file, dex_files, timings); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2300 | } |
Vladimir Marko | aad75c6 | 2016-10-03 08:46:48 +0000 | [diff] [blame] | 2301 | if (GetCompilerOptions().IsBootImage() || GetCompilerOptions().IsAppImage()) { |
Mathieu Chartier | 085a072 | 2016-04-01 17:33:31 -0700 | [diff] [blame] | 2302 | // Make sure that we call EnsureIntiailized on all the array classes to call |
| 2303 | // SetVerificationAttempted so that the access flags are set. If we do not do this they get |
| 2304 | // changed at runtime resulting in more dirty image pages. |
Mathieu Chartier | 91288d8 | 2016-04-28 09:44:54 -0700 | [diff] [blame] | 2305 | // Also create conflict tables. |
| 2306 | // Only useful if we are compiling an image (image_classes_ is not null). |
Mathieu Chartier | 085a072 | 2016-04-01 17:33:31 -0700 | [diff] [blame] | 2307 | ScopedObjectAccess soa(Thread::Current()); |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 2308 | VariableSizedHandleScope hs(soa.Self()); |
| 2309 | InitializeArrayClassesAndCreateConflictTablesVisitor visitor(hs); |
Mathieu Chartier | 91288d8 | 2016-04-28 09:44:54 -0700 | [diff] [blame] | 2310 | Runtime::Current()->GetClassLinker()->VisitClassesWithoutClassesLock(&visitor); |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 2311 | visitor.FillAllIMTAndConflictTables(); |
Mathieu Chartier | 085a072 | 2016-04-01 17:33:31 -0700 | [diff] [blame] | 2312 | } |
Vladimir Marko | aad75c6 | 2016-10-03 08:46:48 +0000 | [diff] [blame] | 2313 | if (GetCompilerOptions().IsBootImage()) { |
Mathieu Chartier | 093ef21 | 2014-08-11 13:52:12 -0700 | [diff] [blame] | 2314 | // Prune garbage objects created during aborted transactions. |
| 2315 | Runtime::Current()->GetHeap()->CollectGarbage(true); |
| 2316 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2317 | } |
| 2318 | |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 2319 | void CompilerDriver::Compile(jobject class_loader, |
| 2320 | const std::vector<const DexFile*>& dex_files, |
| 2321 | TimingLogger* timings) { |
Calin Juravle | 998c216 | 2015-12-21 15:39:33 +0200 | [diff] [blame] | 2322 | if (kDebugProfileGuidedCompilation) { |
| 2323 | LOG(INFO) << "[ProfileGuidedCompilation] " << |
| 2324 | ((profile_compilation_info_ == nullptr) |
| 2325 | ? "null" |
| 2326 | : profile_compilation_info_->DumpInfo(&dex_files)); |
Calin Juravle | 226501b | 2015-12-11 14:41:31 +0000 | [diff] [blame] | 2327 | } |
Vladimir Marko | 492a7fa | 2016-06-01 18:38:43 +0100 | [diff] [blame] | 2328 | |
| 2329 | DCHECK(current_dex_to_dex_methods_ == nullptr); |
| 2330 | for (const DexFile* dex_file : dex_files) { |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 2331 | CHECK(dex_file != nullptr); |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 2332 | CompileDexFile(class_loader, |
| 2333 | *dex_file, |
| 2334 | dex_files, |
| 2335 | parallel_thread_pool_.get(), |
| 2336 | parallel_thread_count_, |
| 2337 | timings); |
Calin Juravle | 6915898 | 2016-03-16 11:53:41 +0000 | [diff] [blame] | 2338 | const ArenaPool* const arena_pool = Runtime::Current()->GetArenaPool(); |
| 2339 | const size_t arena_alloc = arena_pool->GetBytesAllocated(); |
| 2340 | max_arena_alloc_ = std::max(arena_alloc, max_arena_alloc_); |
Jean-Philippe Halimi | ca76a1a | 2016-02-02 19:48:52 +0100 | [diff] [blame] | 2341 | Runtime::Current()->ReclaimArenaPoolMemory(); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2342 | } |
Vladimir Marko | 492a7fa | 2016-06-01 18:38:43 +0100 | [diff] [blame] | 2343 | |
| 2344 | ArrayRef<DexFileMethodSet> dex_to_dex_references; |
| 2345 | { |
| 2346 | // From this point on, we shall not modify dex_to_dex_references_, so |
| 2347 | // just grab a reference to it that we use without holding the mutex. |
| 2348 | MutexLock lock(Thread::Current(), dex_to_dex_references_lock_); |
| 2349 | dex_to_dex_references = ArrayRef<DexFileMethodSet>(dex_to_dex_references_); |
| 2350 | } |
| 2351 | for (const auto& method_set : dex_to_dex_references) { |
| 2352 | current_dex_to_dex_methods_ = &method_set.GetMethodIndexes(); |
| 2353 | CompileDexFile(class_loader, |
| 2354 | method_set.GetDexFile(), |
| 2355 | dex_files, |
| 2356 | parallel_thread_pool_.get(), |
| 2357 | parallel_thread_count_, |
| 2358 | timings); |
| 2359 | } |
| 2360 | current_dex_to_dex_methods_ = nullptr; |
| 2361 | |
Andreas Gampe | 8d295f8 | 2015-01-20 14:50:21 -0800 | [diff] [blame] | 2362 | VLOG(compiler) << "Compile: " << GetMemoryUsageString(false); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2363 | } |
| 2364 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2365 | class CompileClassVisitor : public CompilationVisitor { |
| 2366 | public: |
| 2367 | explicit CompileClassVisitor(const ParallelCompilationManager* manager) : manager_(manager) {} |
| 2368 | |
| 2369 | virtual void Visit(size_t class_def_index) REQUIRES(!Locks::mutator_lock_) OVERRIDE { |
| 2370 | ATRACE_CALL(); |
| 2371 | const DexFile& dex_file = *manager_->GetDexFile(); |
| 2372 | const DexFile::ClassDef& class_def = dex_file.GetClassDef(class_def_index); |
| 2373 | ClassLinker* class_linker = manager_->GetClassLinker(); |
| 2374 | jobject jclass_loader = manager_->GetClassLoader(); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2375 | ClassReference ref(&dex_file, class_def_index); |
| 2376 | // Skip compiling classes with generic verifier failures since they will still fail at runtime |
| 2377 | if (manager_->GetCompiler()->verification_results_->IsClassRejected(ref)) { |
Ian Rogers | 1ff3c98 | 2014-08-12 02:30:58 -0700 | [diff] [blame] | 2378 | return; |
| 2379 | } |
Mathieu Chartier | 736b560 | 2015-09-02 14:54:11 -0700 | [diff] [blame] | 2380 | // Use a scoped object access to perform to the quick SkipClass check. |
| 2381 | const char* descriptor = dex_file.GetClassDescriptor(class_def); |
| 2382 | ScopedObjectAccess soa(Thread::Current()); |
| 2383 | StackHandleScope<3> hs(soa.Self()); |
| 2384 | Handle<mirror::ClassLoader> class_loader( |
Mathieu Chartier | 0795f23 | 2016-09-27 18:43:30 -0700 | [diff] [blame] | 2385 | hs.NewHandle(soa.Decode<mirror::ClassLoader>(jclass_loader))); |
Mathieu Chartier | 736b560 | 2015-09-02 14:54:11 -0700 | [diff] [blame] | 2386 | Handle<mirror::Class> klass( |
| 2387 | hs.NewHandle(class_linker->FindClass(soa.Self(), descriptor, class_loader))); |
| 2388 | Handle<mirror::DexCache> dex_cache; |
| 2389 | if (klass.Get() == nullptr) { |
| 2390 | soa.Self()->AssertPendingException(); |
| 2391 | soa.Self()->ClearException(); |
| 2392 | dex_cache = hs.NewHandle(class_linker->FindDexCache(soa.Self(), dex_file)); |
| 2393 | } else if (SkipClass(jclass_loader, dex_file, klass.Get())) { |
| 2394 | return; |
| 2395 | } else { |
| 2396 | dex_cache = hs.NewHandle(klass->GetDexCache()); |
| 2397 | } |
| 2398 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2399 | const uint8_t* class_data = dex_file.GetClassData(class_def); |
| 2400 | if (class_data == nullptr) { |
| 2401 | // empty class, probably a marker interface |
| 2402 | return; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2403 | } |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2404 | |
Mathieu Chartier | 736b560 | 2015-09-02 14:54:11 -0700 | [diff] [blame] | 2405 | // Go to native so that we don't block GC during compilation. |
Mathieu Chartier | f1d666e | 2015-09-03 16:13:34 -0700 | [diff] [blame] | 2406 | ScopedThreadSuspension sts(soa.Self(), kNative); |
Mathieu Chartier | 736b560 | 2015-09-02 14:54:11 -0700 | [diff] [blame] | 2407 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2408 | CompilerDriver* const driver = manager_->GetCompiler(); |
| 2409 | |
| 2410 | // Can we run DEX-to-DEX compiler on this class ? |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 2411 | optimizer::DexToDexCompilationLevel dex_to_dex_compilation_level = |
Mathieu Chartier | 736b560 | 2015-09-02 14:54:11 -0700 | [diff] [blame] | 2412 | GetDexToDexCompilationLevel(soa.Self(), *driver, jclass_loader, dex_file, class_def); |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 2413 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2414 | ClassDataItemIterator it(dex_file, class_data); |
| 2415 | // Skip fields |
| 2416 | while (it.HasNextStaticField()) { |
| 2417 | it.Next(); |
| 2418 | } |
| 2419 | while (it.HasNextInstanceField()) { |
| 2420 | it.Next(); |
| 2421 | } |
| 2422 | |
| 2423 | bool compilation_enabled = driver->IsClassToCompile( |
| 2424 | dex_file.StringByTypeIdx(class_def.class_idx_)); |
| 2425 | |
| 2426 | // Compile direct methods |
| 2427 | int64_t previous_direct_method_idx = -1; |
| 2428 | while (it.HasNextDirectMethod()) { |
| 2429 | uint32_t method_idx = it.GetMemberIndex(); |
| 2430 | if (method_idx == previous_direct_method_idx) { |
| 2431 | // smali can create dex files with two encoded_methods sharing the same method_idx |
| 2432 | // http://code.google.com/p/smali/issues/detail?id=119 |
| 2433 | it.Next(); |
| 2434 | continue; |
| 2435 | } |
| 2436 | previous_direct_method_idx = method_idx; |
Mathieu Chartier | 736b560 | 2015-09-02 14:54:11 -0700 | [diff] [blame] | 2437 | CompileMethod(soa.Self(), driver, it.GetMethodCodeItem(), it.GetMethodAccessFlags(), |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 2438 | it.GetMethodInvokeType(class_def), class_def_index, |
| 2439 | method_idx, jclass_loader, dex_file, dex_to_dex_compilation_level, |
Mathieu Chartier | 736b560 | 2015-09-02 14:54:11 -0700 | [diff] [blame] | 2440 | compilation_enabled, dex_cache); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2441 | it.Next(); |
| 2442 | } |
| 2443 | // Compile virtual methods |
| 2444 | int64_t previous_virtual_method_idx = -1; |
| 2445 | while (it.HasNextVirtualMethod()) { |
| 2446 | uint32_t method_idx = it.GetMemberIndex(); |
| 2447 | if (method_idx == previous_virtual_method_idx) { |
| 2448 | // smali can create dex files with two encoded_methods sharing the same method_idx |
| 2449 | // http://code.google.com/p/smali/issues/detail?id=119 |
| 2450 | it.Next(); |
| 2451 | continue; |
| 2452 | } |
| 2453 | previous_virtual_method_idx = method_idx; |
Mathieu Chartier | 736b560 | 2015-09-02 14:54:11 -0700 | [diff] [blame] | 2454 | CompileMethod(soa.Self(), driver, it.GetMethodCodeItem(), it.GetMethodAccessFlags(), |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 2455 | it.GetMethodInvokeType(class_def), class_def_index, |
| 2456 | method_idx, jclass_loader, dex_file, dex_to_dex_compilation_level, |
Mathieu Chartier | 736b560 | 2015-09-02 14:54:11 -0700 | [diff] [blame] | 2457 | compilation_enabled, dex_cache); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2458 | it.Next(); |
| 2459 | } |
| 2460 | DCHECK(!it.HasNext()); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2461 | } |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2462 | |
| 2463 | private: |
| 2464 | const ParallelCompilationManager* const manager_; |
| 2465 | }; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2466 | |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 2467 | void CompilerDriver::CompileDexFile(jobject class_loader, |
| 2468 | const DexFile& dex_file, |
Andreas Gampe | de7b436 | 2014-07-28 18:38:57 -0700 | [diff] [blame] | 2469 | const std::vector<const DexFile*>& dex_files, |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 2470 | ThreadPool* thread_pool, |
| 2471 | size_t thread_count, |
| 2472 | TimingLogger* timings) { |
Mathieu Chartier | f5997b4 | 2014-06-20 10:37:54 -0700 | [diff] [blame] | 2473 | TimingLogger::ScopedTiming t("Compile Dex File", timings); |
Ian Rogers | be7149f | 2013-08-20 09:29:39 -0700 | [diff] [blame] | 2474 | ParallelCompilationManager context(Runtime::Current()->GetClassLinker(), class_loader, this, |
Andreas Gampe | de7b436 | 2014-07-28 18:38:57 -0700 | [diff] [blame] | 2475 | &dex_file, dex_files, thread_pool); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2476 | CompileClassVisitor visitor(&context); |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 2477 | context.ForAll(0, dex_file.NumClassDefs(), &visitor, thread_count); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2478 | } |
| 2479 | |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 2480 | void CompilerDriver::AddCompiledMethod(const MethodReference& method_ref, |
| 2481 | CompiledMethod* const compiled_method, |
| 2482 | size_t non_relative_linker_patch_count) { |
| 2483 | DCHECK(GetCompiledMethod(method_ref) == nullptr) |
David Sehr | 709b070 | 2016-10-13 09:12:37 -0700 | [diff] [blame] | 2484 | << method_ref.dex_file->PrettyMethod(method_ref.dex_method_index); |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 2485 | { |
| 2486 | MutexLock mu(Thread::Current(), compiled_methods_lock_); |
| 2487 | compiled_methods_.Put(method_ref, compiled_method); |
| 2488 | non_relative_linker_patch_count_ += non_relative_linker_patch_count; |
Ian Rogers | a4a3f40 | 2014-10-20 18:10:34 -0700 | [diff] [blame] | 2489 | } |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 2490 | DCHECK(GetCompiledMethod(method_ref) != nullptr) |
David Sehr | 709b070 | 2016-10-13 09:12:37 -0700 | [diff] [blame] | 2491 | << method_ref.dex_file->PrettyMethod(method_ref.dex_method_index); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2492 | } |
| 2493 | |
Mathieu Chartier | e5f13e5 | 2015-02-24 09:37:21 -0800 | [diff] [blame] | 2494 | void CompilerDriver::RemoveCompiledMethod(const MethodReference& method_ref) { |
| 2495 | CompiledMethod* compiled_method = nullptr; |
| 2496 | { |
| 2497 | MutexLock mu(Thread::Current(), compiled_methods_lock_); |
| 2498 | auto it = compiled_methods_.find(method_ref); |
| 2499 | if (it != compiled_methods_.end()) { |
| 2500 | compiled_method = it->second; |
| 2501 | compiled_methods_.erase(it); |
| 2502 | } |
| 2503 | } |
| 2504 | if (compiled_method != nullptr) { |
| 2505 | CompiledMethod::ReleaseSwapAllocatedCompiledMethod(this, compiled_method); |
| 2506 | } |
| 2507 | } |
| 2508 | |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2509 | CompiledClass* CompilerDriver::GetCompiledClass(ClassReference ref) const { |
| 2510 | MutexLock mu(Thread::Current(), compiled_classes_lock_); |
| 2511 | ClassTable::const_iterator it = compiled_classes_.find(ref); |
| 2512 | if (it == compiled_classes_.end()) { |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 2513 | return nullptr; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2514 | } |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 2515 | CHECK(it->second != nullptr); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2516 | return it->second; |
| 2517 | } |
| 2518 | |
Ian Rogers | 8f3c9ae | 2013-08-20 17:26:41 -0700 | [diff] [blame] | 2519 | void CompilerDriver::RecordClassStatus(ClassReference ref, mirror::Class::Status status) { |
| 2520 | MutexLock mu(Thread::Current(), compiled_classes_lock_); |
| 2521 | auto it = compiled_classes_.find(ref); |
| 2522 | if (it == compiled_classes_.end() || it->second->GetStatus() != status) { |
| 2523 | // An entry doesn't exist or the status is lower than the new status. |
| 2524 | if (it != compiled_classes_.end()) { |
| 2525 | CHECK_GT(status, it->second->GetStatus()); |
| 2526 | delete it->second; |
| 2527 | } |
| 2528 | switch (status) { |
| 2529 | case mirror::Class::kStatusNotReady: |
| 2530 | case mirror::Class::kStatusError: |
| 2531 | case mirror::Class::kStatusRetryVerificationAtRuntime: |
| 2532 | case mirror::Class::kStatusVerified: |
| 2533 | case mirror::Class::kStatusInitialized: |
Mathieu Chartier | a807780 | 2016-03-16 19:08:31 -0700 | [diff] [blame] | 2534 | case mirror::Class::kStatusResolved: |
Ian Rogers | 8f3c9ae | 2013-08-20 17:26:41 -0700 | [diff] [blame] | 2535 | break; // Expected states. |
| 2536 | default: |
| 2537 | LOG(FATAL) << "Unexpected class status for class " |
| 2538 | << PrettyDescriptor(ref.first->GetClassDescriptor(ref.first->GetClassDef(ref.second))) |
| 2539 | << " of " << status; |
| 2540 | } |
| 2541 | CompiledClass* compiled_class = new CompiledClass(status); |
| 2542 | compiled_classes_.Overwrite(ref, compiled_class); |
| 2543 | } |
| 2544 | } |
| 2545 | |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2546 | CompiledMethod* CompilerDriver::GetCompiledMethod(MethodReference ref) const { |
| 2547 | MutexLock mu(Thread::Current(), compiled_methods_lock_); |
| 2548 | MethodTable::const_iterator it = compiled_methods_.find(ref); |
| 2549 | if (it == compiled_methods_.end()) { |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 2550 | return nullptr; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2551 | } |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 2552 | CHECK(it->second != nullptr); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2553 | return it->second; |
| 2554 | } |
| 2555 | |
Calin Juravle | f1c6d9e | 2015-04-13 18:42:21 +0100 | [diff] [blame] | 2556 | bool CompilerDriver::IsMethodVerifiedWithoutFailures(uint32_t method_idx, |
| 2557 | uint16_t class_def_idx, |
| 2558 | const DexFile& dex_file) const { |
| 2559 | const VerifiedMethod* verified_method = GetVerifiedMethod(&dex_file, method_idx); |
| 2560 | if (verified_method != nullptr) { |
| 2561 | return !verified_method->HasVerificationFailures(); |
| 2562 | } |
| 2563 | |
| 2564 | // If we can't find verification metadata, check if this is a system class (we trust that system |
| 2565 | // classes have their methods verified). If it's not, be conservative and assume the method |
| 2566 | // has not been verified successfully. |
| 2567 | |
| 2568 | // TODO: When compiling the boot image it should be safe to assume that everything is verified, |
| 2569 | // even if methods are not found in the verification cache. |
| 2570 | const char* descriptor = dex_file.GetClassDescriptor(dex_file.GetClassDef(class_def_idx)); |
| 2571 | ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); |
| 2572 | Thread* self = Thread::Current(); |
| 2573 | ScopedObjectAccess soa(self); |
| 2574 | bool is_system_class = class_linker->FindSystemClass(self, descriptor) != nullptr; |
| 2575 | if (!is_system_class) { |
| 2576 | self->ClearException(); |
| 2577 | } |
| 2578 | return is_system_class; |
| 2579 | } |
| 2580 | |
Vladimir Marko | f4da675 | 2014-08-01 19:04:18 +0100 | [diff] [blame] | 2581 | size_t CompilerDriver::GetNonRelativeLinkerPatchCount() const { |
| 2582 | MutexLock mu(Thread::Current(), compiled_methods_lock_); |
| 2583 | return non_relative_linker_patch_count_; |
| 2584 | } |
| 2585 | |
Mathieu Chartier | c4ae916 | 2016-04-07 13:19:19 -0700 | [diff] [blame] | 2586 | void CompilerDriver::SetRequiresConstructorBarrier(Thread* self, |
| 2587 | const DexFile* dex_file, |
| 2588 | uint16_t class_def_index, |
| 2589 | bool requires) { |
| 2590 | WriterMutexLock mu(self, requires_constructor_barrier_lock_); |
| 2591 | requires_constructor_barrier_.emplace(ClassReference(dex_file, class_def_index), requires); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2592 | } |
| 2593 | |
Mathieu Chartier | 371bd83 | 2016-04-07 10:19:48 -0700 | [diff] [blame] | 2594 | bool CompilerDriver::RequiresConstructorBarrier(Thread* self, |
| 2595 | const DexFile* dex_file, |
Mathieu Chartier | c4ae916 | 2016-04-07 13:19:19 -0700 | [diff] [blame] | 2596 | uint16_t class_def_index) { |
| 2597 | ClassReference class_ref(dex_file, class_def_index); |
| 2598 | { |
| 2599 | ReaderMutexLock mu(self, requires_constructor_barrier_lock_); |
| 2600 | auto it = requires_constructor_barrier_.find(class_ref); |
| 2601 | if (it != requires_constructor_barrier_.end()) { |
| 2602 | return it->second; |
| 2603 | } |
Mathieu Chartier | b5d3861 | 2016-04-07 10:52:52 -0700 | [diff] [blame] | 2604 | } |
Mathieu Chartier | c4ae916 | 2016-04-07 13:19:19 -0700 | [diff] [blame] | 2605 | WriterMutexLock mu(self, requires_constructor_barrier_lock_); |
| 2606 | const bool requires = RequiresConstructorBarrier(*dex_file, class_def_index); |
| 2607 | requires_constructor_barrier_.emplace(class_ref, requires); |
| 2608 | return requires; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2609 | } |
| 2610 | |
Andreas Gampe | 8d295f8 | 2015-01-20 14:50:21 -0800 | [diff] [blame] | 2611 | std::string CompilerDriver::GetMemoryUsageString(bool extended) const { |
Mathieu Chartier | ab972ef | 2014-12-03 17:38:22 -0800 | [diff] [blame] | 2612 | std::ostringstream oss; |
Calin Juravle | 6915898 | 2016-03-16 11:53:41 +0000 | [diff] [blame] | 2613 | const gc::Heap* const heap = Runtime::Current()->GetHeap(); |
Anton Kirilov | dd9473b | 2016-01-28 15:08:01 +0000 | [diff] [blame] | 2614 | const size_t java_alloc = heap->GetBytesAllocated(); |
Calin Juravle | 6915898 | 2016-03-16 11:53:41 +0000 | [diff] [blame] | 2615 | oss << "arena alloc=" << PrettySize(max_arena_alloc_) << " (" << max_arena_alloc_ << "B)"; |
Anton Kirilov | dd9473b | 2016-01-28 15:08:01 +0000 | [diff] [blame] | 2616 | oss << " java alloc=" << PrettySize(java_alloc) << " (" << java_alloc << "B)"; |
Elliott Hughes | 7bf5a26 | 2015-04-02 20:55:07 -0700 | [diff] [blame] | 2617 | #if defined(__BIONIC__) || defined(__GLIBC__) |
Anton Kirilov | dd9473b | 2016-01-28 15:08:01 +0000 | [diff] [blame] | 2618 | const struct mallinfo info = mallinfo(); |
Mathieu Chartier | ab972ef | 2014-12-03 17:38:22 -0800 | [diff] [blame] | 2619 | const size_t allocated_space = static_cast<size_t>(info.uordblks); |
| 2620 | const size_t free_space = static_cast<size_t>(info.fordblks); |
Anton Kirilov | dd9473b | 2016-01-28 15:08:01 +0000 | [diff] [blame] | 2621 | oss << " native alloc=" << PrettySize(allocated_space) << " (" << allocated_space << "B)" |
| 2622 | << " free=" << PrettySize(free_space) << " (" << free_space << "B)"; |
Mathieu Chartier | ab972ef | 2014-12-03 17:38:22 -0800 | [diff] [blame] | 2623 | #endif |
Vladimir Marko | 35831e8 | 2015-09-11 11:59:18 +0100 | [diff] [blame] | 2624 | compiled_method_storage_.DumpMemoryUsage(oss, extended); |
Mathieu Chartier | ab972ef | 2014-12-03 17:38:22 -0800 | [diff] [blame] | 2625 | return oss.str(); |
| 2626 | } |
| 2627 | |
Jeff Hao | dcdc85b | 2015-12-04 14:06:18 -0800 | [diff] [blame] | 2628 | bool CompilerDriver::MayInlineInternal(const DexFile* inlined_from, |
| 2629 | const DexFile* inlined_into) const { |
| 2630 | // We're not allowed to inline across dex files if we're the no-inline-from dex file. |
| 2631 | if (inlined_from != inlined_into && |
Vladimir Marko | 47496c2 | 2016-01-27 16:15:08 +0000 | [diff] [blame] | 2632 | compiler_options_->GetNoInlineFromDexFile() != nullptr && |
| 2633 | ContainsElement(*compiler_options_->GetNoInlineFromDexFile(), inlined_from)) { |
Jeff Hao | dcdc85b | 2015-12-04 14:06:18 -0800 | [diff] [blame] | 2634 | return false; |
| 2635 | } |
| 2636 | |
| 2637 | return true; |
| 2638 | } |
| 2639 | |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 2640 | void CompilerDriver::InitializeThreadPools() { |
| 2641 | size_t parallel_count = parallel_thread_count_ > 0 ? parallel_thread_count_ - 1 : 0; |
| 2642 | parallel_thread_pool_.reset( |
| 2643 | new ThreadPool("Compiler driver thread pool", parallel_count)); |
| 2644 | single_thread_pool_.reset(new ThreadPool("Single-threaded Compiler driver thread pool", 0)); |
| 2645 | } |
| 2646 | |
| 2647 | void CompilerDriver::FreeThreadPools() { |
| 2648 | parallel_thread_pool_.reset(); |
| 2649 | single_thread_pool_.reset(); |
| 2650 | } |
| 2651 | |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2652 | } // namespace art |