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 | 8cf9cb3 | 2017-07-19 09:28:38 -0700 | [diff] [blame] | 19 | #include <unistd.h> |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 20 | #include <unordered_set> |
Anwar Ghuloum | 67f9941 | 2013-08-12 14:19:48 -0700 | [diff] [blame] | 21 | #include <vector> |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 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" |
Andreas Gampe | f0446e9 | 2017-05-16 13:51:57 -0700 | [diff] [blame] | 31 | #include "base/arena_allocator.h" |
David Brazdil | d9c9037 | 2016-09-14 16:53:55 +0100 | [diff] [blame] | 32 | #include "base/array_ref.h" |
Vladimir Marko | 492a7fa | 2016-06-01 18:38:43 +0100 | [diff] [blame] | 33 | #include "base/bit_vector.h" |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 34 | #include "base/enums.h" |
Andreas Gampe | 170331f | 2017-12-07 18:41:03 -0800 | [diff] [blame] | 35 | #include "base/logging.h" // For VLOG |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 36 | #include "base/stl_util.h" |
Mathieu Chartier | 32ce2ad | 2016-03-04 14:58:03 -0800 | [diff] [blame] | 37 | #include "base/systrace.h" |
Vladimir Marko | 80afd02 | 2015-05-19 18:08:00 +0100 | [diff] [blame] | 38 | #include "base/time_utils.h" |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 39 | #include "base/timing_logger.h" |
Vladimir Marko | 3481ba2 | 2015-04-13 12:22:36 +0100 | [diff] [blame] | 40 | #include "class_linker-inl.h" |
Vladimir Marko | d8dbc8d | 2017-09-20 13:37:47 +0100 | [diff] [blame] | 41 | #include "compiled_method-inl.h" |
Nicolas Geoffray | b34f69a | 2014-03-07 15:28:39 +0000 | [diff] [blame] | 42 | #include "compiler.h" |
Nicolas Geoffray | 6bb7f1b | 2016-11-03 10:52:49 +0000 | [diff] [blame] | 43 | #include "compiler_callbacks.h" |
Vladimir Marko | be0e546 | 2014-02-26 11:24:15 +0000 | [diff] [blame] | 44 | #include "compiler_driver-inl.h" |
David Sehr | 9e734c7 | 2018-01-04 17:56:19 -0800 | [diff] [blame] | 45 | #include "dex/dex_file-inl.h" |
| 46 | #include "dex/dex_file_annotations.h" |
| 47 | #include "dex/dex_instruction-inl.h" |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 48 | #include "dex/dex_to_dex_compiler.h" |
Vladimir Marko | c7f8320 | 2014-01-24 17:55:18 +0000 | [diff] [blame] | 49 | #include "dex/verification_results.h" |
Vladimir Marko | 2730db0 | 2014-01-27 11:15:17 +0000 | [diff] [blame] | 50 | #include "dex/verified_method.h" |
Steven Moreland | e431e27 | 2017-07-18 16:53:49 -0700 | [diff] [blame] | 51 | #include "dex_compilation_unit.h" |
Mark Mendell | ae9fd93 | 2014-02-10 16:14:35 -0800 | [diff] [blame] | 52 | #include "driver/compiler_options.h" |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 53 | #include "gc/accounting/card_table-inl.h" |
| 54 | #include "gc/accounting/heap_bitmap.h" |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 55 | #include "gc/space/image_space.h" |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 56 | #include "gc/space/space.h" |
Steven Moreland | e431e27 | 2017-07-18 16:53:49 -0700 | [diff] [blame] | 57 | #include "handle_scope-inl.h" |
| 58 | #include "intrinsics_enum.h" |
Andreas Gampe | 3913e48 | 2018-01-22 18:58:01 -0800 | [diff] [blame] | 59 | #include "jit/profile_compilation_info.h" |
Steven Moreland | e431e27 | 2017-07-18 16:53:49 -0700 | [diff] [blame] | 60 | #include "jni_internal.h" |
Vladimir Marko | d8dbc8d | 2017-09-20 13:37:47 +0100 | [diff] [blame] | 61 | #include "linker/linker_patch.h" |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 62 | #include "mirror/class-inl.h" |
Steven Moreland | e431e27 | 2017-07-18 16:53:49 -0700 | [diff] [blame] | 63 | #include "mirror/class_loader.h" |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 64 | #include "mirror/dex_cache-inl.h" |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 65 | #include "mirror/object-inl.h" |
Andreas Gampe | c6ea7d0 | 2017-02-01 16:46:28 -0800 | [diff] [blame] | 66 | #include "mirror/object-refvisitor-inl.h" |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 67 | #include "mirror/object_array-inl.h" |
| 68 | #include "mirror/throwable.h" |
Steven Moreland | e431e27 | 2017-07-18 16:53:49 -0700 | [diff] [blame] | 69 | #include "nativehelper/ScopedLocalRef.h" |
| 70 | #include "object_lock.h" |
| 71 | #include "runtime.h" |
Orion Hodson | 26ef34c | 2017-11-01 13:32:41 +0000 | [diff] [blame] | 72 | #include "runtime_intrinsics.h" |
Mathieu Chartier | 0795f23 | 2016-09-27 18:43:30 -0700 | [diff] [blame] | 73 | #include "scoped_thread_state_change-inl.h" |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 74 | #include "thread.h" |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 75 | #include "thread_list.h" |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 76 | #include "thread_pool.h" |
Ian Rogers | 848871b | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 77 | #include "trampolines/trampoline_compiler.h" |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 78 | #include "transaction.h" |
Mathieu Chartier | 93764b8 | 2017-07-17 14:51:53 -0700 | [diff] [blame] | 79 | #include "utils/atomic_dex_ref_map-inl.h" |
Vladimir Marko | 20f8559 | 2015-03-19 10:07:02 +0000 | [diff] [blame] | 80 | #include "utils/dex_cache_arrays_layout-inl.h" |
Andreas Gampe | e21dc3d | 2014-12-08 16:59:43 -0800 | [diff] [blame] | 81 | #include "utils/swap_space.h" |
Nicolas Geoffray | b0bbe8e | 2016-11-19 10:42:37 +0000 | [diff] [blame] | 82 | #include "vdex_file.h" |
Vladimir Marko | 2bc4780 | 2014-02-10 09:43:07 +0000 | [diff] [blame] | 83 | #include "verifier/method_verifier-inl.h" |
Steven Moreland | e431e27 | 2017-07-18 16:53:49 -0700 | [diff] [blame] | 84 | #include "verifier/method_verifier.h" |
Nicolas Geoffray | 0802518 | 2016-10-25 17:20:18 +0100 | [diff] [blame] | 85 | #include "verifier/verifier_deps.h" |
Andreas Gampe | 6d7abbd | 2017-04-24 13:19:09 -0700 | [diff] [blame] | 86 | #include "verifier/verifier_enums.h" |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 87 | |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 88 | namespace art { |
| 89 | |
Mathieu Chartier | 8e219ae | 2014-08-19 14:29:46 -0700 | [diff] [blame] | 90 | static constexpr bool kTimeCompileMethod = !kIsDebugBuild; |
| 91 | |
Calin Juravle | 226501b | 2015-12-11 14:41:31 +0000 | [diff] [blame] | 92 | // Print additional info during profile guided compilation. |
| 93 | static constexpr bool kDebugProfileGuidedCompilation = false; |
| 94 | |
Chang Xing | 70f689d | 2017-06-08 17:16:12 -0700 | [diff] [blame] | 95 | // Max encoded fields allowed for initializing app image. Hardcode the number for now |
| 96 | // because 5000 should be large enough. |
| 97 | static constexpr uint32_t kMaxEncodedFields = 5000; |
| 98 | |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 99 | static double Percentage(size_t x, size_t y) { |
| 100 | return 100.0 * (static_cast<double>(x)) / (static_cast<double>(x + y)); |
| 101 | } |
| 102 | |
| 103 | static void DumpStat(size_t x, size_t y, const char* str) { |
| 104 | if (x == 0 && y == 0) { |
| 105 | return; |
| 106 | } |
Ian Rogers | e732ef1 | 2013-10-09 15:22:24 -0700 | [diff] [blame] | 107 | LOG(INFO) << Percentage(x, y) << "% of " << str << " for " << (x + y) << " cases"; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 108 | } |
| 109 | |
Vladimir Marko | f096aad | 2014-01-23 15:51:58 +0000 | [diff] [blame] | 110 | class CompilerDriver::AOTCompilationStats { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 111 | public: |
| 112 | AOTCompilationStats() |
| 113 | : stats_lock_("AOT compilation statistics lock"), |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 114 | resolved_types_(0), unresolved_types_(0), |
| 115 | resolved_instance_fields_(0), unresolved_instance_fields_(0), |
| 116 | resolved_local_static_fields_(0), resolved_static_fields_(0), unresolved_static_fields_(0), |
| 117 | type_based_devirtualization_(0), |
| 118 | safe_casts_(0), not_safe_casts_(0) { |
| 119 | for (size_t i = 0; i <= kMaxInvokeType; i++) { |
| 120 | resolved_methods_[i] = 0; |
| 121 | unresolved_methods_[i] = 0; |
| 122 | virtual_made_direct_[i] = 0; |
| 123 | direct_calls_to_boot_[i] = 0; |
| 124 | direct_methods_to_boot_[i] = 0; |
| 125 | } |
| 126 | } |
| 127 | |
| 128 | void Dump() { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 129 | DumpStat(resolved_types_, unresolved_types_, "types resolved"); |
| 130 | DumpStat(resolved_instance_fields_, unresolved_instance_fields_, "instance fields resolved"); |
| 131 | DumpStat(resolved_local_static_fields_ + resolved_static_fields_, unresolved_static_fields_, |
| 132 | "static fields resolved"); |
| 133 | DumpStat(resolved_local_static_fields_, resolved_static_fields_ + unresolved_static_fields_, |
| 134 | "static fields local to a class"); |
| 135 | DumpStat(safe_casts_, not_safe_casts_, "check-casts removed based on type information"); |
| 136 | // Note, the code below subtracts the stat value so that when added to the stat value we have |
| 137 | // 100% of samples. TODO: clean this up. |
| 138 | DumpStat(type_based_devirtualization_, |
| 139 | resolved_methods_[kVirtual] + unresolved_methods_[kVirtual] + |
| 140 | resolved_methods_[kInterface] + unresolved_methods_[kInterface] - |
| 141 | type_based_devirtualization_, |
| 142 | "virtual/interface calls made direct based on type information"); |
| 143 | |
| 144 | for (size_t i = 0; i <= kMaxInvokeType; i++) { |
| 145 | std::ostringstream oss; |
| 146 | oss << static_cast<InvokeType>(i) << " methods were AOT resolved"; |
| 147 | DumpStat(resolved_methods_[i], unresolved_methods_[i], oss.str().c_str()); |
| 148 | if (virtual_made_direct_[i] > 0) { |
| 149 | std::ostringstream oss2; |
| 150 | oss2 << static_cast<InvokeType>(i) << " methods made direct"; |
| 151 | DumpStat(virtual_made_direct_[i], |
| 152 | resolved_methods_[i] + unresolved_methods_[i] - virtual_made_direct_[i], |
| 153 | oss2.str().c_str()); |
| 154 | } |
| 155 | if (direct_calls_to_boot_[i] > 0) { |
| 156 | std::ostringstream oss2; |
| 157 | oss2 << static_cast<InvokeType>(i) << " method calls are direct into boot"; |
| 158 | DumpStat(direct_calls_to_boot_[i], |
| 159 | resolved_methods_[i] + unresolved_methods_[i] - direct_calls_to_boot_[i], |
| 160 | oss2.str().c_str()); |
| 161 | } |
| 162 | if (direct_methods_to_boot_[i] > 0) { |
| 163 | std::ostringstream oss2; |
| 164 | oss2 << static_cast<InvokeType>(i) << " method calls have methods in boot"; |
| 165 | DumpStat(direct_methods_to_boot_[i], |
| 166 | resolved_methods_[i] + unresolved_methods_[i] - direct_methods_to_boot_[i], |
| 167 | oss2.str().c_str()); |
| 168 | } |
| 169 | } |
| 170 | } |
| 171 | |
| 172 | // Allow lossy statistics in non-debug builds. |
| 173 | #ifndef NDEBUG |
| 174 | #define STATS_LOCK() MutexLock mu(Thread::Current(), stats_lock_) |
| 175 | #else |
| 176 | #define STATS_LOCK() |
| 177 | #endif |
| 178 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 179 | void TypeDoesntNeedAccessCheck() REQUIRES(!stats_lock_) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 180 | STATS_LOCK(); |
| 181 | resolved_types_++; |
| 182 | } |
| 183 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 184 | void TypeNeedsAccessCheck() REQUIRES(!stats_lock_) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 185 | STATS_LOCK(); |
| 186 | unresolved_types_++; |
| 187 | } |
| 188 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 189 | void ResolvedInstanceField() REQUIRES(!stats_lock_) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 190 | STATS_LOCK(); |
| 191 | resolved_instance_fields_++; |
| 192 | } |
| 193 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 194 | void UnresolvedInstanceField() REQUIRES(!stats_lock_) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 195 | STATS_LOCK(); |
| 196 | unresolved_instance_fields_++; |
| 197 | } |
| 198 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 199 | void ResolvedLocalStaticField() REQUIRES(!stats_lock_) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 200 | STATS_LOCK(); |
| 201 | resolved_local_static_fields_++; |
| 202 | } |
| 203 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 204 | void ResolvedStaticField() REQUIRES(!stats_lock_) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 205 | STATS_LOCK(); |
| 206 | resolved_static_fields_++; |
| 207 | } |
| 208 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 209 | void UnresolvedStaticField() REQUIRES(!stats_lock_) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 210 | STATS_LOCK(); |
| 211 | unresolved_static_fields_++; |
| 212 | } |
| 213 | |
| 214 | // Indicate that type information from the verifier led to devirtualization. |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 215 | void PreciseTypeDevirtualization() REQUIRES(!stats_lock_) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 216 | STATS_LOCK(); |
| 217 | type_based_devirtualization_++; |
| 218 | } |
| 219 | |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 220 | // A check-cast could be eliminated due to verifier type analysis. |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 221 | void SafeCast() REQUIRES(!stats_lock_) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 222 | STATS_LOCK(); |
| 223 | safe_casts_++; |
| 224 | } |
| 225 | |
| 226 | // A check-cast couldn't be eliminated due to verifier type analysis. |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 227 | void NotASafeCast() REQUIRES(!stats_lock_) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 228 | STATS_LOCK(); |
| 229 | not_safe_casts_++; |
| 230 | } |
| 231 | |
| 232 | private: |
| 233 | Mutex stats_lock_; |
| 234 | |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 235 | size_t resolved_types_; |
| 236 | size_t unresolved_types_; |
| 237 | |
| 238 | size_t resolved_instance_fields_; |
| 239 | size_t unresolved_instance_fields_; |
| 240 | |
| 241 | size_t resolved_local_static_fields_; |
| 242 | size_t resolved_static_fields_; |
| 243 | size_t unresolved_static_fields_; |
| 244 | // Type based devirtualization for invoke interface and virtual. |
| 245 | size_t type_based_devirtualization_; |
| 246 | |
| 247 | size_t resolved_methods_[kMaxInvokeType + 1]; |
| 248 | size_t unresolved_methods_[kMaxInvokeType + 1]; |
| 249 | size_t virtual_made_direct_[kMaxInvokeType + 1]; |
| 250 | size_t direct_calls_to_boot_[kMaxInvokeType + 1]; |
| 251 | size_t direct_methods_to_boot_[kMaxInvokeType + 1]; |
| 252 | |
| 253 | size_t safe_casts_; |
| 254 | size_t not_safe_casts_; |
| 255 | |
| 256 | DISALLOW_COPY_AND_ASSIGN(AOTCompilationStats); |
| 257 | }; |
| 258 | |
Jeff Hao | dcdc85b | 2015-12-04 14:06:18 -0800 | [diff] [blame] | 259 | CompilerDriver::CompilerDriver( |
| 260 | const CompilerOptions* compiler_options, |
| 261 | VerificationResults* verification_results, |
Jeff Hao | dcdc85b | 2015-12-04 14:06:18 -0800 | [diff] [blame] | 262 | Compiler::Kind compiler_kind, |
| 263 | InstructionSet instruction_set, |
| 264 | const InstructionSetFeatures* instruction_set_features, |
Vladimir Marko | 944da60 | 2016-02-19 12:27:55 +0000 | [diff] [blame] | 265 | std::unordered_set<std::string>* image_classes, |
Jeff Hao | dcdc85b | 2015-12-04 14:06:18 -0800 | [diff] [blame] | 266 | std::unordered_set<std::string>* compiled_classes, |
| 267 | std::unordered_set<std::string>* compiled_methods, |
Vladimir Marko | 944da60 | 2016-02-19 12:27:55 +0000 | [diff] [blame] | 268 | size_t thread_count, |
Vladimir Marko | 944da60 | 2016-02-19 12:27:55 +0000 | [diff] [blame] | 269 | int swap_fd, |
Calin Juravle | 998c216 | 2015-12-21 15:39:33 +0200 | [diff] [blame] | 270 | const ProfileCompilationInfo* profile_compilation_info) |
Calin Juravle | 226501b | 2015-12-11 14:41:31 +0000 | [diff] [blame] | 271 | : compiler_options_(compiler_options), |
Brian Carlstrom | 6449c62 | 2014-02-10 23:48:36 -0800 | [diff] [blame] | 272 | verification_results_(verification_results), |
Ian Rogers | 72d3262 | 2014-05-06 16:20:11 -0700 | [diff] [blame] | 273 | compiler_(Compiler::Create(this, compiler_kind)), |
Jeff Hao | 48699fb | 2015-04-06 14:21:37 -0700 | [diff] [blame] | 274 | compiler_kind_(compiler_kind), |
Vladimir Marko | 33bff25 | 2017-11-01 14:35:42 +0000 | [diff] [blame] | 275 | instruction_set_( |
| 276 | instruction_set == InstructionSet::kArm ? InstructionSet::kThumb2 : instruction_set), |
Dave Allison | 7020278 | 2013-10-22 17:52:19 -0700 | [diff] [blame] | 277 | instruction_set_features_(instruction_set_features), |
Mathieu Chartier | c4ae916 | 2016-04-07 13:19:19 -0700 | [diff] [blame] | 278 | requires_constructor_barrier_lock_("constructor barrier lock"), |
Vladimir Marko | f4da675 | 2014-08-01 19:04:18 +0100 | [diff] [blame] | 279 | non_relative_linker_patch_count_(0u), |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 280 | image_classes_(image_classes), |
Andreas Gampe | 4bf3ae9 | 2014-11-11 13:28:29 -0800 | [diff] [blame] | 281 | classes_to_compile_(compiled_classes), |
Andreas Gampe | 70bef0d | 2015-04-15 02:37:28 -0700 | [diff] [blame] | 282 | methods_to_compile_(compiled_methods), |
Andreas Gampe | f39208f | 2017-10-19 15:06:59 -0700 | [diff] [blame] | 283 | number_of_soft_verifier_failures_(0), |
Andreas Gampe | 6cf49e5 | 2015-03-05 13:08:45 -0800 | [diff] [blame] | 284 | had_hard_verifier_failure_(false), |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 285 | parallel_thread_count_(thread_count), |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 286 | stats_(new AOTCompilationStats), |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 287 | compiler_context_(nullptr), |
Alexey Frunze | 19f6c69 | 2016-11-30 19:19:55 -0800 | [diff] [blame] | 288 | support_boot_image_fixup_(true), |
Calin Juravle | 998c216 | 2015-12-21 15:39:33 +0200 | [diff] [blame] | 289 | compiled_method_storage_(swap_fd), |
Calin Juravle | 6915898 | 2016-03-16 11:53:41 +0000 | [diff] [blame] | 290 | profile_compilation_info_(profile_compilation_info), |
Vladimir Marko | 492a7fa | 2016-06-01 18:38:43 +0100 | [diff] [blame] | 291 | max_arena_alloc_(0), |
Mathieu Chartier | a79efdb | 2018-01-18 16:31:01 -0800 | [diff] [blame] | 292 | compiling_dex_to_dex_(false), |
| 293 | dex_to_dex_compiler_(this) { |
Brian Carlstrom | 6449c62 | 2014-02-10 23:48:36 -0800 | [diff] [blame] | 294 | DCHECK(compiler_options_ != nullptr); |
Brian Carlstrom | 2ce745c | 2013-07-17 17:44:30 -0700 | [diff] [blame] | 295 | |
Ian Rogers | 72d3262 | 2014-05-06 16:20:11 -0700 | [diff] [blame] | 296 | compiler_->Init(); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 297 | |
Vladimir Marko | aad75c6 | 2016-10-03 08:46:48 +0000 | [diff] [blame] | 298 | if (GetCompilerOptions().IsBootImage()) { |
Mathieu Chartier | c5dd319 | 2015-12-09 16:38:30 -0800 | [diff] [blame] | 299 | CHECK(image_classes_.get() != nullptr) << "Expected image classes for boot image"; |
| 300 | } |
Andreas Gampe | cac31ad | 2017-11-06 20:01:17 -0800 | [diff] [blame] | 301 | |
| 302 | compiled_method_storage_.SetDedupeEnabled(compiler_options_->DeduplicateCode()); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 303 | } |
| 304 | |
| 305 | CompilerDriver::~CompilerDriver() { |
Mathieu Chartier | 93764b8 | 2017-07-17 14:51:53 -0700 | [diff] [blame] | 306 | compiled_methods_.Visit([this](const DexFileReference& ref ATTRIBUTE_UNUSED, |
Mathieu Chartier | acab8d4 | 2016-11-23 13:45:58 -0800 | [diff] [blame] | 307 | CompiledMethod* method) { |
| 308 | if (method != nullptr) { |
| 309 | CompiledMethod::ReleaseSwapAllocatedCompiledMethod(this, method); |
Andreas Gampe | e21dc3d | 2014-12-08 16:59:43 -0800 | [diff] [blame] | 310 | } |
Mathieu Chartier | acab8d4 | 2016-11-23 13:45:58 -0800 | [diff] [blame] | 311 | }); |
Ian Rogers | 72d3262 | 2014-05-06 16:20:11 -0700 | [diff] [blame] | 312 | compiler_->UnInit(); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 313 | } |
| 314 | |
Vladimir Marko | 35831e8 | 2015-09-11 11:59:18 +0100 | [diff] [blame] | 315 | |
Ian Rogers | dd7624d | 2014-03-14 17:43:00 -0700 | [diff] [blame] | 316 | #define CREATE_TRAMPOLINE(type, abi, offset) \ |
Andreas Gampe | af13ad9 | 2014-04-11 12:07:48 -0700 | [diff] [blame] | 317 | if (Is64BitInstructionSet(instruction_set_)) { \ |
Ian Rogers | dd7624d | 2014-03-14 17:43:00 -0700 | [diff] [blame] | 318 | return CreateTrampoline64(instruction_set_, abi, \ |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 319 | type ## _ENTRYPOINT_OFFSET(PointerSize::k64, offset)); \ |
Ian Rogers | dd7624d | 2014-03-14 17:43:00 -0700 | [diff] [blame] | 320 | } else { \ |
| 321 | return CreateTrampoline32(instruction_set_, abi, \ |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 322 | type ## _ENTRYPOINT_OFFSET(PointerSize::k32, offset)); \ |
Ian Rogers | dd7624d | 2014-03-14 17:43:00 -0700 | [diff] [blame] | 323 | } |
| 324 | |
Vladimir Marko | 93205e3 | 2016-04-13 11:59:46 +0100 | [diff] [blame] | 325 | std::unique_ptr<const std::vector<uint8_t>> CompilerDriver::CreateJniDlsymLookup() const { |
Ian Rogers | dd7624d | 2014-03-14 17:43:00 -0700 | [diff] [blame] | 326 | CREATE_TRAMPOLINE(JNI, kJniAbi, pDlsymLookup) |
Ian Rogers | 848871b | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 327 | } |
| 328 | |
Vladimir Marko | 93205e3 | 2016-04-13 11:59:46 +0100 | [diff] [blame] | 329 | std::unique_ptr<const std::vector<uint8_t>> CompilerDriver::CreateQuickGenericJniTrampoline() |
| 330 | const { |
Ian Rogers | dd7624d | 2014-03-14 17:43:00 -0700 | [diff] [blame] | 331 | CREATE_TRAMPOLINE(QUICK, kQuickAbi, pQuickGenericJniTrampoline) |
Andreas Gampe | 2da8823 | 2014-02-27 12:26:20 -0800 | [diff] [blame] | 332 | } |
| 333 | |
Vladimir Marko | 93205e3 | 2016-04-13 11:59:46 +0100 | [diff] [blame] | 334 | std::unique_ptr<const std::vector<uint8_t>> CompilerDriver::CreateQuickImtConflictTrampoline() |
| 335 | const { |
Ian Rogers | dd7624d | 2014-03-14 17:43:00 -0700 | [diff] [blame] | 336 | CREATE_TRAMPOLINE(QUICK, kQuickAbi, pQuickImtConflictTrampoline) |
Jeff Hao | 88474b4 | 2013-10-23 16:24:40 -0700 | [diff] [blame] | 337 | } |
| 338 | |
Vladimir Marko | 93205e3 | 2016-04-13 11:59:46 +0100 | [diff] [blame] | 339 | std::unique_ptr<const std::vector<uint8_t>> CompilerDriver::CreateQuickResolutionTrampoline() |
| 340 | const { |
Ian Rogers | dd7624d | 2014-03-14 17:43:00 -0700 | [diff] [blame] | 341 | CREATE_TRAMPOLINE(QUICK, kQuickAbi, pQuickResolutionTrampoline) |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 342 | } |
| 343 | |
Vladimir Marko | 93205e3 | 2016-04-13 11:59:46 +0100 | [diff] [blame] | 344 | std::unique_ptr<const std::vector<uint8_t>> CompilerDriver::CreateQuickToInterpreterBridge() |
| 345 | const { |
Ian Rogers | dd7624d | 2014-03-14 17:43:00 -0700 | [diff] [blame] | 346 | CREATE_TRAMPOLINE(QUICK, kQuickAbi, pQuickToInterpreterBridge) |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 347 | } |
Ian Rogers | dd7624d | 2014-03-14 17:43:00 -0700 | [diff] [blame] | 348 | #undef CREATE_TRAMPOLINE |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 349 | |
| 350 | void CompilerDriver::CompileAll(jobject class_loader, |
Brian Carlstrom | 4560248 | 2013-07-21 22:07:55 -0700 | [diff] [blame] | 351 | const std::vector<const DexFile*>& dex_files, |
Ian Rogers | 3d50407 | 2014-03-01 09:16:49 -0800 | [diff] [blame] | 352 | TimingLogger* timings) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 353 | DCHECK(!Runtime::Current()->IsStarted()); |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 354 | |
| 355 | InitializeThreadPools(); |
| 356 | |
Andreas Gampe | 8d295f8 | 2015-01-20 14:50:21 -0800 | [diff] [blame] | 357 | VLOG(compiler) << "Before precompile " << GetMemoryUsageString(false); |
Andreas Gampe | 740667a | 2015-09-15 17:55:06 -0700 | [diff] [blame] | 358 | // Precompile: |
| 359 | // 1) Load image classes |
| 360 | // 2) Resolve all classes |
| 361 | // 3) Attempt to verify all classes |
| 362 | // 4) Attempt to initialize image classes, and trivially initialized classes |
Nicolas Geoffray | b0bbe8e | 2016-11-19 10:42:37 +0000 | [diff] [blame] | 363 | PreCompile(class_loader, dex_files, timings); |
Vladimir Marko | aad75c6 | 2016-10-03 08:46:48 +0000 | [diff] [blame] | 364 | if (GetCompilerOptions().IsBootImage()) { |
Nicolas Geoffray | 762869d | 2016-07-15 15:28:35 +0100 | [diff] [blame] | 365 | // We don't need to setup the intrinsics for non boot image compilation, as |
| 366 | // those compilations will pick up a boot image that have the ArtMethod already |
| 367 | // set with the intrinsics flag. |
Orion Hodson | 26ef34c | 2017-11-01 13:32:41 +0000 | [diff] [blame] | 368 | InitializeIntrinsics(); |
Nicolas Geoffray | 762869d | 2016-07-15 15:28:35 +0100 | [diff] [blame] | 369 | } |
Andreas Gampe | 740667a | 2015-09-15 17:55:06 -0700 | [diff] [blame] | 370 | // Compile: |
| 371 | // 1) Compile all classes and methods enabled for compilation. May fall back to dex-to-dex |
| 372 | // compilation. |
Nicolas Geoffray | 49cda06 | 2017-04-21 13:08:25 +0100 | [diff] [blame] | 373 | if (GetCompilerOptions().IsAnyCompilationEnabled()) { |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 374 | Compile(class_loader, dex_files, timings); |
Andreas Gampe | 740667a | 2015-09-15 17:55:06 -0700 | [diff] [blame] | 375 | } |
Nicolas Geoffray | 2d8801f | 2017-11-28 15:50:07 +0000 | [diff] [blame] | 376 | if (GetCompilerOptions().GetDumpStats()) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 377 | stats_->Dump(); |
| 378 | } |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 379 | |
| 380 | FreeThreadPools(); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 381 | } |
| 382 | |
Mathieu Chartier | a79efdb | 2018-01-18 16:31:01 -0800 | [diff] [blame] | 383 | static optimizer::DexToDexCompiler::CompilationLevel GetDexToDexCompilationLevel( |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 384 | Thread* self, const CompilerDriver& driver, Handle<mirror::ClassLoader> class_loader, |
| 385 | const DexFile& dex_file, const DexFile::ClassDef& class_def) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 386 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Nicolas Geoffray | f307527 | 2018-01-08 12:41:19 +0000 | [diff] [blame^] | 387 | // When the dex file is uncompressed in the APK, we do not generate a copy in the .vdex |
| 388 | // file. As a result, dex2oat will map the dex file read-only, and we only need to check |
| 389 | // that to know if we can do quickening. |
| 390 | if (dex_file.GetContainer() != nullptr && dex_file.GetContainer()->IsReadOnly()) { |
| 391 | return optimizer::DexToDexCompiler::CompilationLevel::kDontDexToDexCompile; |
| 392 | } |
Mathieu Chartier | e5f13e5 | 2015-02-24 09:37:21 -0800 | [diff] [blame] | 393 | auto* const runtime = Runtime::Current(); |
Nicolas Geoffray | 49cda06 | 2017-04-21 13:08:25 +0100 | [diff] [blame] | 394 | DCHECK(driver.GetCompilerOptions().IsQuickeningCompilationEnabled()); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 395 | const char* descriptor = dex_file.GetClassDescriptor(class_def); |
Mathieu Chartier | e5f13e5 | 2015-02-24 09:37:21 -0800 | [diff] [blame] | 396 | ClassLinker* class_linker = runtime->GetClassLinker(); |
Ian Rogers | 9837939 | 2014-02-24 16:53:16 -0800 | [diff] [blame] | 397 | mirror::Class* klass = class_linker->FindClass(self, descriptor, class_loader); |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 398 | if (klass == nullptr) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 399 | CHECK(self->IsExceptionPending()); |
| 400 | self->ClearException(); |
Mathieu Chartier | a79efdb | 2018-01-18 16:31:01 -0800 | [diff] [blame] | 401 | return optimizer::DexToDexCompiler::CompilationLevel::kDontDexToDexCompile; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 402 | } |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 403 | // DexToDex at the kOptimize level may introduce quickened opcodes, which replace symbolic |
| 404 | // references with actual offsets. We cannot re-verify such instructions. |
| 405 | // |
| 406 | // We store the verification information in the class status in the oat file, which the linker |
| 407 | // can validate (checksums) and use to skip load-time verification. It is thus safe to |
| 408 | // optimize when a class has been fully verified before. |
Mathieu Chartier | a79efdb | 2018-01-18 16:31:01 -0800 | [diff] [blame] | 409 | optimizer::DexToDexCompiler::CompilationLevel max_level = |
| 410 | optimizer::DexToDexCompiler::CompilationLevel::kOptimize; |
Alex Light | e40dd38 | 2017-01-25 17:44:53 -0800 | [diff] [blame] | 411 | if (driver.GetCompilerOptions().GetDebuggable()) { |
| 412 | // We are debuggable so definitions of classes might be changed. We don't want to do any |
| 413 | // optimizations that could break that. |
Mathieu Chartier | a79efdb | 2018-01-18 16:31:01 -0800 | [diff] [blame] | 414 | max_level = optimizer::DexToDexCompiler::CompilationLevel::kDontDexToDexCompile; |
Alex Light | e40dd38 | 2017-01-25 17:44:53 -0800 | [diff] [blame] | 415 | } |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 416 | if (klass->IsVerified()) { |
Sebastien Hertz | 7502122 | 2013-07-16 18:34:50 +0200 | [diff] [blame] | 417 | // Class is verified so we can enable DEX-to-DEX compilation for performance. |
Alex Light | e40dd38 | 2017-01-25 17:44:53 -0800 | [diff] [blame] | 418 | return max_level; |
Sebastien Hertz | 7502122 | 2013-07-16 18:34:50 +0200 | [diff] [blame] | 419 | } else { |
Andreas Gampe | 1a4bc7f | 2017-03-27 14:57:30 -0700 | [diff] [blame] | 420 | // Class verification has failed: do not run DEX-to-DEX optimizations. |
Mathieu Chartier | a79efdb | 2018-01-18 16:31:01 -0800 | [diff] [blame] | 421 | return optimizer::DexToDexCompiler::CompilationLevel::kDontDexToDexCompile; |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 422 | } |
| 423 | } |
| 424 | |
Mathieu Chartier | a79efdb | 2018-01-18 16:31:01 -0800 | [diff] [blame] | 425 | static optimizer::DexToDexCompiler::CompilationLevel GetDexToDexCompilationLevel( |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 426 | Thread* self, |
| 427 | const CompilerDriver& driver, |
| 428 | jobject jclass_loader, |
| 429 | const DexFile& dex_file, |
| 430 | const DexFile::ClassDef& class_def) { |
| 431 | ScopedObjectAccess soa(self); |
| 432 | StackHandleScope<1> hs(soa.Self()); |
| 433 | Handle<mirror::ClassLoader> class_loader( |
Mathieu Chartier | 0795f23 | 2016-09-27 18:43:30 -0700 | [diff] [blame] | 434 | hs.NewHandle(soa.Decode<mirror::ClassLoader>(jclass_loader))); |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 435 | return GetDexToDexCompilationLevel(self, driver, class_loader, dex_file, class_def); |
| 436 | } |
| 437 | |
| 438 | // Does the runtime for the InstructionSet provide an implementation returned by |
| 439 | // GetQuickGenericJniStub allowing down calls that aren't compiled using a JNI compiler? |
| 440 | static bool InstructionSetHasGenericJniStub(InstructionSet isa) { |
| 441 | switch (isa) { |
Vladimir Marko | 33bff25 | 2017-11-01 14:35:42 +0000 | [diff] [blame] | 442 | case InstructionSet::kArm: |
| 443 | case InstructionSet::kArm64: |
| 444 | case InstructionSet::kThumb2: |
| 445 | case InstructionSet::kMips: |
| 446 | case InstructionSet::kMips64: |
| 447 | case InstructionSet::kX86: |
| 448 | case InstructionSet::kX86_64: return true; |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 449 | default: return false; |
| 450 | } |
| 451 | } |
| 452 | |
| 453 | static void CompileMethod(Thread* self, |
| 454 | CompilerDriver* driver, |
| 455 | const DexFile::CodeItem* code_item, |
| 456 | uint32_t access_flags, |
| 457 | InvokeType invoke_type, |
| 458 | uint16_t class_def_idx, |
| 459 | uint32_t method_idx, |
Vladimir Marko | 8d6768d | 2017-03-14 10:13:21 +0000 | [diff] [blame] | 460 | Handle<mirror::ClassLoader> class_loader, |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 461 | const DexFile& dex_file, |
Mathieu Chartier | a79efdb | 2018-01-18 16:31:01 -0800 | [diff] [blame] | 462 | optimizer::DexToDexCompiler::CompilationLevel dex_to_dex_compilation_level, |
Mathieu Chartier | 736b560 | 2015-09-02 14:54:11 -0700 | [diff] [blame] | 463 | bool compilation_enabled, |
Mathieu Chartier | acab8d4 | 2016-11-23 13:45:58 -0800 | [diff] [blame] | 464 | Handle<mirror::DexCache> dex_cache) { |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 465 | DCHECK(driver != nullptr); |
| 466 | CompiledMethod* compiled_method = nullptr; |
| 467 | uint64_t start_ns = kTimeCompileMethod ? NanoTime() : 0; |
| 468 | MethodReference method_ref(&dex_file, method_idx); |
| 469 | |
Mathieu Chartier | a79efdb | 2018-01-18 16:31:01 -0800 | [diff] [blame] | 470 | if (driver->GetCompilingDexToDex()) { |
| 471 | optimizer::DexToDexCompiler* const compiler = &driver->GetDexToDexCompiler(); |
Vladimir Marko | 492a7fa | 2016-06-01 18:38:43 +0100 | [diff] [blame] | 472 | // This is the second pass when we dex-to-dex compile previously marked methods. |
| 473 | // TODO: Refactor the compilation to avoid having to distinguish the two passes |
| 474 | // here. That should be done on a higher level. http://b/29089975 |
Mathieu Chartier | a79efdb | 2018-01-18 16:31:01 -0800 | [diff] [blame] | 475 | if (compiler->ShouldCompileMethod(method_ref)) { |
Mathieu Chartier | 0733dc8 | 2017-07-17 14:05:28 -0700 | [diff] [blame] | 476 | VerificationResults* results = driver->GetVerificationResults(); |
| 477 | DCHECK(results != nullptr); |
| 478 | const VerifiedMethod* verified_method = results->GetVerifiedMethod(method_ref); |
Vladimir Marko | 492a7fa | 2016-06-01 18:38:43 +0100 | [diff] [blame] | 479 | // Do not optimize if a VerifiedMethod is missing. SafeCast elision, |
| 480 | // for example, relies on it. |
Mathieu Chartier | a79efdb | 2018-01-18 16:31:01 -0800 | [diff] [blame] | 481 | compiled_method = compiler->CompileMethod( |
Vladimir Marko | 492a7fa | 2016-06-01 18:38:43 +0100 | [diff] [blame] | 482 | code_item, |
| 483 | access_flags, |
| 484 | invoke_type, |
| 485 | class_def_idx, |
| 486 | method_idx, |
| 487 | class_loader, |
| 488 | dex_file, |
| 489 | (verified_method != nullptr) |
| 490 | ? dex_to_dex_compilation_level |
Mathieu Chartier | a79efdb | 2018-01-18 16:31:01 -0800 | [diff] [blame] | 491 | : optimizer::DexToDexCompiler::CompilationLevel::kDontDexToDexCompile); |
Vladimir Marko | 492a7fa | 2016-06-01 18:38:43 +0100 | [diff] [blame] | 492 | } |
| 493 | } else if ((access_flags & kAccNative) != 0) { |
Goran Jakovljevic | 8d41c08 | 2016-09-28 08:49:46 +0000 | [diff] [blame] | 494 | // Are we extracting only and have support for generic JNI down calls? |
| 495 | if (!driver->GetCompilerOptions().IsJniCompilationEnabled() && |
| 496 | InstructionSetHasGenericJniStub(driver->GetInstructionSet())) { |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 497 | // Leaving this empty will trigger the generic JNI version |
| 498 | } else { |
Igor Murashkin | 367f3dd | 2016-09-01 17:00:24 -0700 | [diff] [blame] | 499 | // Query any JNI optimization annotations such as @FastNative or @CriticalNative. |
Vladimir Marko | b0a6aee | 2017-10-27 10:34:04 +0100 | [diff] [blame] | 500 | access_flags |= annotations::GetNativeMethodAnnotationAccessFlags( |
| 501 | dex_file, dex_file.GetClassDef(class_def_idx), method_idx); |
Igor Murashkin | 9d4b6da | 2016-07-29 09:51:58 -0700 | [diff] [blame] | 502 | |
Vladimir Marko | 92f7f3c | 2017-10-31 11:38:30 +0000 | [diff] [blame] | 503 | compiled_method = driver->GetCompiler()->JniCompile( |
| 504 | access_flags, method_idx, dex_file, dex_cache); |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 505 | CHECK(compiled_method != nullptr); |
| 506 | } |
| 507 | } else if ((access_flags & kAccAbstract) != 0) { |
| 508 | // Abstract methods don't have code. |
Nicolas Geoffray | d28b969 | 2015-11-04 14:36:55 +0000 | [diff] [blame] | 509 | } else { |
Mathieu Chartier | 0733dc8 | 2017-07-17 14:05:28 -0700 | [diff] [blame] | 510 | VerificationResults* results = driver->GetVerificationResults(); |
| 511 | DCHECK(results != nullptr); |
| 512 | const VerifiedMethod* verified_method = results->GetVerifiedMethod(method_ref); |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 513 | bool compile = compilation_enabled && |
| 514 | // Basic checks, e.g., not <clinit>. |
Mathieu Chartier | 0733dc8 | 2017-07-17 14:05:28 -0700 | [diff] [blame] | 515 | results->IsCandidateForCompilation(method_ref, access_flags) && |
Mathieu Chartier | a79efdb | 2018-01-18 16:31:01 -0800 | [diff] [blame] | 516 | // Did not fail to create VerifiedMethod metadcata. |
Andreas Gampe | 0760a81 | 2015-08-26 17:12:51 -0700 | [diff] [blame] | 517 | verified_method != nullptr && |
| 518 | // Do not have failures that should punt to the interpreter. |
| 519 | !verified_method->HasRuntimeThrow() && |
| 520 | (verified_method->GetEncounteredVerificationFailures() & |
Andreas Gampe | a727e37 | 2015-08-25 09:22:37 -0700 | [diff] [blame] | 521 | (verifier::VERIFY_ERROR_FORCE_INTERPRETER | verifier::VERIFY_ERROR_LOCKING)) == 0 && |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 522 | // Is eligable for compilation by methods-to-compile filter. |
Calin Juravle | 226501b | 2015-12-11 14:41:31 +0000 | [diff] [blame] | 523 | driver->IsMethodToCompile(method_ref) && |
| 524 | driver->ShouldCompileBasedOnProfile(method_ref); |
| 525 | |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 526 | if (compile) { |
| 527 | // NOTE: if compiler declines to compile this method, it will return null. |
Vladimir Marko | 8d6768d | 2017-03-14 10:13:21 +0000 | [diff] [blame] | 528 | compiled_method = driver->GetCompiler()->Compile(code_item, |
| 529 | access_flags, |
| 530 | invoke_type, |
| 531 | class_def_idx, |
| 532 | method_idx, |
| 533 | class_loader, |
| 534 | dex_file, |
| 535 | dex_cache); |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 536 | } |
| 537 | if (compiled_method == nullptr && |
Mathieu Chartier | a79efdb | 2018-01-18 16:31:01 -0800 | [diff] [blame] | 538 | dex_to_dex_compilation_level != |
| 539 | optimizer::DexToDexCompiler::CompilationLevel::kDontDexToDexCompile) { |
Vladimir Marko | 492a7fa | 2016-06-01 18:38:43 +0100 | [diff] [blame] | 540 | DCHECK(!Runtime::Current()->UseJitCompilation()); |
Mathieu Chartier | a79efdb | 2018-01-18 16:31:01 -0800 | [diff] [blame] | 541 | DCHECK(!driver->GetCompilingDexToDex()); |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 542 | // TODO: add a command-line option to disable DEX-to-DEX compilation ? |
Mathieu Chartier | a79efdb | 2018-01-18 16:31:01 -0800 | [diff] [blame] | 543 | driver->GetDexToDexCompiler().MarkForCompilation(self, method_ref, code_item); |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 544 | } |
| 545 | } |
| 546 | if (kTimeCompileMethod) { |
| 547 | uint64_t duration_ns = NanoTime() - start_ns; |
| 548 | if (duration_ns > MsToNs(driver->GetCompiler()->GetMaximumCompilationTimeBeforeWarning())) { |
David Sehr | 709b070 | 2016-10-13 09:12:37 -0700 | [diff] [blame] | 549 | LOG(WARNING) << "Compilation of " << dex_file.PrettyMethod(method_idx) |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 550 | << " took " << PrettyDuration(duration_ns); |
| 551 | } |
| 552 | } |
| 553 | |
| 554 | if (compiled_method != nullptr) { |
| 555 | // Count non-relative linker patches. |
| 556 | size_t non_relative_linker_patch_count = 0u; |
Vladimir Marko | d8dbc8d | 2017-09-20 13:37:47 +0100 | [diff] [blame] | 557 | for (const linker::LinkerPatch& patch : compiled_method->GetPatches()) { |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 558 | if (!patch.IsPcRelative()) { |
| 559 | ++non_relative_linker_patch_count; |
| 560 | } |
| 561 | } |
| 562 | bool compile_pic = driver->GetCompilerOptions().GetCompilePic(); // Off by default |
| 563 | // When compiling with PIC, there should be zero non-relative linker patches |
| 564 | CHECK(!compile_pic || non_relative_linker_patch_count == 0u); |
| 565 | |
| 566 | driver->AddCompiledMethod(method_ref, compiled_method, non_relative_linker_patch_count); |
| 567 | } |
| 568 | |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 569 | if (self->IsExceptionPending()) { |
| 570 | ScopedObjectAccess soa(self); |
David Sehr | 709b070 | 2016-10-13 09:12:37 -0700 | [diff] [blame] | 571 | LOG(FATAL) << "Unexpected exception compiling: " << dex_file.PrettyMethod(method_idx) << "\n" |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 572 | << self->GetException()->Dump(); |
Sebastien Hertz | 7502122 | 2013-07-16 18:34:50 +0200 | [diff] [blame] | 573 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 574 | } |
| 575 | |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 576 | void CompilerDriver::CompileOne(Thread* self, ArtMethod* method, TimingLogger* timings) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 577 | DCHECK(!Runtime::Current()->IsStarted()); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 578 | jobject jclass_loader; |
| 579 | const DexFile* dex_file; |
Ian Rogers | 8b2c0b9 | 2013-09-19 02:56:49 -0700 | [diff] [blame] | 580 | uint16_t class_def_idx; |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 581 | uint32_t method_idx = method->GetDexMethodIndex(); |
| 582 | uint32_t access_flags = method->GetAccessFlags(); |
| 583 | InvokeType invoke_type = method->GetInvokeType(); |
Vladimir Marko | 8d6768d | 2017-03-14 10:13:21 +0000 | [diff] [blame] | 584 | StackHandleScope<2> hs(self); |
Mathieu Chartier | 736b560 | 2015-09-02 14:54:11 -0700 | [diff] [blame] | 585 | Handle<mirror::DexCache> dex_cache(hs.NewHandle(method->GetDexCache())); |
Vladimir Marko | 8d6768d | 2017-03-14 10:13:21 +0000 | [diff] [blame] | 586 | Handle<mirror::ClassLoader> class_loader( |
| 587 | hs.NewHandle(method->GetDeclaringClass()->GetClassLoader())); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 588 | { |
| 589 | ScopedObjectAccessUnchecked soa(self); |
Mathieu Chartier | e5f13e5 | 2015-02-24 09:37:21 -0800 | [diff] [blame] | 590 | ScopedLocalRef<jobject> local_class_loader( |
Vladimir Marko | 8d6768d | 2017-03-14 10:13:21 +0000 | [diff] [blame] | 591 | soa.Env(), soa.AddLocalReference<jobject>(class_loader.Get())); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 592 | jclass_loader = soa.Env()->NewGlobalRef(local_class_loader.get()); |
| 593 | // Find the dex_file |
Mathieu Chartier | bfd9a43 | 2014-05-21 17:43:44 -0700 | [diff] [blame] | 594 | dex_file = method->GetDexFile(); |
| 595 | class_def_idx = method->GetClassDefIndex(); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 596 | } |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 597 | const DexFile::CodeItem* code_item = dex_file->GetCodeItem(method->GetCodeItemOffset()); |
Mathieu Chartier | 736b560 | 2015-09-02 14:54:11 -0700 | [diff] [blame] | 598 | |
| 599 | // Go to native so that we don't block GC during compilation. |
Mathieu Chartier | f1d666e | 2015-09-03 16:13:34 -0700 | [diff] [blame] | 600 | ScopedThreadSuspension sts(self, kNative); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 601 | |
| 602 | std::vector<const DexFile*> dex_files; |
| 603 | dex_files.push_back(dex_file); |
| 604 | |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 605 | InitializeThreadPools(); |
| 606 | |
Nicolas Geoffray | b0bbe8e | 2016-11-19 10:42:37 +0000 | [diff] [blame] | 607 | PreCompile(jclass_loader, dex_files, timings); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 608 | |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 609 | // Can we run DEX-to-DEX compiler on this class ? |
Mathieu Chartier | a79efdb | 2018-01-18 16:31:01 -0800 | [diff] [blame] | 610 | optimizer::DexToDexCompiler::CompilationLevel dex_to_dex_compilation_level = |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 611 | GetDexToDexCompilationLevel(self, |
| 612 | *this, |
| 613 | jclass_loader, |
| 614 | *dex_file, |
| 615 | dex_file->GetClassDef(class_def_idx)); |
| 616 | |
Mathieu Chartier | a79efdb | 2018-01-18 16:31:01 -0800 | [diff] [blame] | 617 | DCHECK(!compiling_dex_to_dex_); |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 618 | CompileMethod(self, |
| 619 | this, |
| 620 | code_item, |
| 621 | access_flags, |
| 622 | invoke_type, |
| 623 | class_def_idx, |
| 624 | method_idx, |
Vladimir Marko | 8d6768d | 2017-03-14 10:13:21 +0000 | [diff] [blame] | 625 | class_loader, |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 626 | *dex_file, |
| 627 | dex_to_dex_compilation_level, |
Mathieu Chartier | 736b560 | 2015-09-02 14:54:11 -0700 | [diff] [blame] | 628 | true, |
| 629 | dex_cache); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 630 | |
Mathieu Chartier | a79efdb | 2018-01-18 16:31:01 -0800 | [diff] [blame] | 631 | const size_t num_methods = dex_to_dex_compiler_.NumUniqueCodeItems(self); |
| 632 | if (num_methods != 0) { |
| 633 | DCHECK_EQ(num_methods, 1u); |
| 634 | compiling_dex_to_dex_ = true; |
Vladimir Marko | 492a7fa | 2016-06-01 18:38:43 +0100 | [diff] [blame] | 635 | CompileMethod(self, |
| 636 | this, |
| 637 | code_item, |
| 638 | access_flags, |
| 639 | invoke_type, |
| 640 | class_def_idx, |
| 641 | method_idx, |
Vladimir Marko | 8d6768d | 2017-03-14 10:13:21 +0000 | [diff] [blame] | 642 | class_loader, |
Vladimir Marko | 492a7fa | 2016-06-01 18:38:43 +0100 | [diff] [blame] | 643 | *dex_file, |
| 644 | dex_to_dex_compilation_level, |
| 645 | true, |
| 646 | dex_cache); |
Mathieu Chartier | a79efdb | 2018-01-18 16:31:01 -0800 | [diff] [blame] | 647 | compiling_dex_to_dex_ = false; |
| 648 | dex_to_dex_compiler_.ClearState(); |
Vladimir Marko | 492a7fa | 2016-06-01 18:38:43 +0100 | [diff] [blame] | 649 | } |
| 650 | |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 651 | FreeThreadPools(); |
| 652 | |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 653 | self->GetJniEnv()->DeleteGlobalRef(jclass_loader); |
Mathieu Chartier | 2535abe | 2015-02-17 10:38:49 -0800 | [diff] [blame] | 654 | } |
| 655 | |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 656 | void CompilerDriver::Resolve(jobject class_loader, |
| 657 | const std::vector<const DexFile*>& dex_files, |
| 658 | TimingLogger* timings) { |
| 659 | // Resolution allocates classes and needs to run single-threaded to be deterministic. |
| 660 | bool force_determinism = GetCompilerOptions().IsForceDeterminism(); |
| 661 | ThreadPool* resolve_thread_pool = force_determinism |
| 662 | ? single_thread_pool_.get() |
| 663 | : parallel_thread_pool_.get(); |
| 664 | size_t resolve_thread_count = force_determinism ? 1U : parallel_thread_count_; |
| 665 | |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 666 | for (size_t i = 0; i != dex_files.size(); ++i) { |
| 667 | const DexFile* dex_file = dex_files[i]; |
Kenny Root | d518534 | 2014-05-13 14:47:05 -0700 | [diff] [blame] | 668 | CHECK(dex_file != nullptr); |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 669 | ResolveDexFile(class_loader, |
| 670 | *dex_file, |
| 671 | dex_files, |
| 672 | resolve_thread_pool, |
| 673 | resolve_thread_count, |
| 674 | timings); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 675 | } |
| 676 | } |
| 677 | |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 678 | // Resolve const-strings in the code. Done to have deterministic allocation behavior. Right now |
| 679 | // this is single-threaded for simplicity. |
| 680 | // TODO: Collect the relevant string indices in parallel, then allocate them sequentially in a |
| 681 | // stable order. |
| 682 | |
Nicolas Geoffray | 571d234 | 2016-10-12 13:03:15 +0000 | [diff] [blame] | 683 | static void ResolveConstStrings(Handle<mirror::DexCache> dex_cache, |
Mathieu Chartier | 6238c83 | 2018-01-04 09:55:13 -0800 | [diff] [blame] | 684 | const DexFile& dex_file, |
Nicolas Geoffray | 571d234 | 2016-10-12 13:03:15 +0000 | [diff] [blame] | 685 | const DexFile::CodeItem* code_item) |
| 686 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 687 | if (code_item == nullptr) { |
| 688 | // Abstract or native method. |
| 689 | return; |
| 690 | } |
| 691 | |
Nicolas Geoffray | 571d234 | 2016-10-12 13:03:15 +0000 | [diff] [blame] | 692 | ClassLinker* const class_linker = Runtime::Current()->GetClassLinker(); |
Mathieu Chartier | 698ebbc | 2018-01-05 11:00:42 -0800 | [diff] [blame] | 693 | for (const DexInstructionPcPair& inst : CodeItemInstructionAccessor(dex_file, code_item)) { |
Mathieu Chartier | 2b2bef2 | 2017-10-26 17:10:19 -0700 | [diff] [blame] | 694 | switch (inst->Opcode()) { |
Nicolas Geoffray | 571d234 | 2016-10-12 13:03:15 +0000 | [diff] [blame] | 695 | case Instruction::CONST_STRING: |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 696 | case Instruction::CONST_STRING_JUMBO: { |
Mathieu Chartier | 2b2bef2 | 2017-10-26 17:10:19 -0700 | [diff] [blame] | 697 | dex::StringIndex string_index((inst->Opcode() == Instruction::CONST_STRING) |
| 698 | ? inst->VRegB_21c() |
| 699 | : inst->VRegB_31c()); |
Vladimir Marko | a64b52d | 2017-12-08 16:27:49 +0000 | [diff] [blame] | 700 | ObjPtr<mirror::String> string = class_linker->ResolveString(string_index, dex_cache); |
Nicolas Geoffray | 571d234 | 2016-10-12 13:03:15 +0000 | [diff] [blame] | 701 | CHECK(string != nullptr) << "Could not allocate a string when forcing determinism"; |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 702 | break; |
| 703 | } |
| 704 | |
| 705 | default: |
| 706 | break; |
| 707 | } |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 708 | } |
| 709 | } |
| 710 | |
| 711 | static void ResolveConstStrings(CompilerDriver* driver, |
| 712 | const std::vector<const DexFile*>& dex_files, |
| 713 | TimingLogger* timings) { |
Nicolas Geoffray | 571d234 | 2016-10-12 13:03:15 +0000 | [diff] [blame] | 714 | ScopedObjectAccess soa(Thread::Current()); |
| 715 | StackHandleScope<1> hs(soa.Self()); |
| 716 | ClassLinker* const class_linker = Runtime::Current()->GetClassLinker(); |
| 717 | MutableHandle<mirror::DexCache> dex_cache(hs.NewHandle<mirror::DexCache>(nullptr)); |
| 718 | |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 719 | for (const DexFile* dex_file : dex_files) { |
Vladimir Marko | cd556b0 | 2017-02-03 11:47:34 +0000 | [diff] [blame] | 720 | dex_cache.Assign(class_linker->FindDexCache(soa.Self(), *dex_file)); |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 721 | TimingLogger::ScopedTiming t("Resolve const-string Strings", timings); |
| 722 | |
| 723 | size_t class_def_count = dex_file->NumClassDefs(); |
| 724 | for (size_t class_def_index = 0; class_def_index < class_def_count; ++class_def_index) { |
| 725 | const DexFile::ClassDef& class_def = dex_file->GetClassDef(class_def_index); |
| 726 | |
| 727 | const uint8_t* class_data = dex_file->GetClassData(class_def); |
| 728 | if (class_data == nullptr) { |
| 729 | // empty class, probably a marker interface |
| 730 | continue; |
| 731 | } |
| 732 | |
| 733 | ClassDataItemIterator it(*dex_file, class_data); |
Mathieu Chartier | e17cf24 | 2017-06-19 11:05:51 -0700 | [diff] [blame] | 734 | it.SkipAllFields(); |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 735 | |
| 736 | bool compilation_enabled = driver->IsClassToCompile( |
| 737 | dex_file->StringByTypeIdx(class_def.class_idx_)); |
| 738 | if (!compilation_enabled) { |
| 739 | // Compilation is skipped, do not resolve const-string in code of this class. |
| 740 | // TODO: Make sure that inlining honors this. |
| 741 | continue; |
| 742 | } |
| 743 | |
Mathieu Chartier | b7c273c | 2017-11-10 18:07:56 -0800 | [diff] [blame] | 744 | // Direct and virtual methods. |
| 745 | int64_t previous_method_idx = -1; |
| 746 | while (it.HasNextMethod()) { |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 747 | uint32_t method_idx = it.GetMemberIndex(); |
Mathieu Chartier | b7c273c | 2017-11-10 18:07:56 -0800 | [diff] [blame] | 748 | if (method_idx == previous_method_idx) { |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 749 | // smali can create dex files with two encoded_methods sharing the same method_idx |
| 750 | // http://code.google.com/p/smali/issues/detail?id=119 |
| 751 | it.Next(); |
| 752 | continue; |
| 753 | } |
Mathieu Chartier | b7c273c | 2017-11-10 18:07:56 -0800 | [diff] [blame] | 754 | previous_method_idx = method_idx; |
Mathieu Chartier | 6238c83 | 2018-01-04 09:55:13 -0800 | [diff] [blame] | 755 | ResolveConstStrings(dex_cache, *dex_file, it.GetMethodCodeItem()); |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 756 | it.Next(); |
| 757 | } |
| 758 | DCHECK(!it.HasNext()); |
| 759 | } |
| 760 | } |
| 761 | } |
| 762 | |
| 763 | inline void CompilerDriver::CheckThreadPools() { |
| 764 | DCHECK(parallel_thread_pool_ != nullptr); |
| 765 | DCHECK(single_thread_pool_ != nullptr); |
| 766 | } |
| 767 | |
Nicolas Geoffray | 0a27fd0 | 2017-01-25 16:18:54 +0000 | [diff] [blame] | 768 | static void EnsureVerifiedOrVerifyAtRuntime(jobject jclass_loader, |
| 769 | const std::vector<const DexFile*>& dex_files) { |
| 770 | ScopedObjectAccess soa(Thread::Current()); |
| 771 | StackHandleScope<2> hs(soa.Self()); |
| 772 | Handle<mirror::ClassLoader> class_loader( |
| 773 | hs.NewHandle(soa.Decode<mirror::ClassLoader>(jclass_loader))); |
| 774 | MutableHandle<mirror::Class> cls(hs.NewHandle<mirror::Class>(nullptr)); |
| 775 | ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); |
| 776 | |
| 777 | for (const DexFile* dex_file : dex_files) { |
| 778 | for (uint32_t i = 0; i < dex_file->NumClassDefs(); ++i) { |
| 779 | const DexFile::ClassDef& class_def = dex_file->GetClassDef(i); |
| 780 | const char* descriptor = dex_file->GetClassDescriptor(class_def); |
| 781 | cls.Assign(class_linker->FindClass(soa.Self(), descriptor, class_loader)); |
Andreas Gampe | fa4333d | 2017-02-14 11:10:34 -0800 | [diff] [blame] | 782 | if (cls == nullptr) { |
Nicolas Geoffray | 0a27fd0 | 2017-01-25 16:18:54 +0000 | [diff] [blame] | 783 | soa.Self()->ClearException(); |
| 784 | } else if (&cls->GetDexFile() == dex_file) { |
Nicolas Geoffray | 7cc3ae5 | 2017-03-07 14:33:37 +0000 | [diff] [blame] | 785 | DCHECK(cls->IsErroneous() || cls->IsVerified() || cls->ShouldVerifyAtRuntime()) |
Nicolas Geoffray | 0a27fd0 | 2017-01-25 16:18:54 +0000 | [diff] [blame] | 786 | << cls->PrettyClass() |
| 787 | << " " << cls->GetStatus(); |
| 788 | } |
| 789 | } |
| 790 | } |
| 791 | } |
| 792 | |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 793 | void CompilerDriver::PreCompile(jobject class_loader, |
| 794 | const std::vector<const DexFile*>& dex_files, |
| 795 | TimingLogger* timings) { |
| 796 | CheckThreadPools(); |
| 797 | |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 798 | LoadImageClasses(timings); |
Andreas Gampe | 8d295f8 | 2015-01-20 14:50:21 -0800 | [diff] [blame] | 799 | VLOG(compiler) << "LoadImageClasses: " << GetMemoryUsageString(false); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 800 | |
Nicolas Geoffray | 49cda06 | 2017-04-21 13:08:25 +0100 | [diff] [blame] | 801 | if (compiler_options_->IsAnyCompilationEnabled()) { |
Mathieu Chartier | 88b74b6 | 2017-07-16 17:08:19 -0700 | [diff] [blame] | 802 | // Avoid adding the dex files in the case where we aren't going to add compiled methods. |
| 803 | // This reduces RAM usage for this case. |
| 804 | for (const DexFile* dex_file : dex_files) { |
| 805 | // Can be already inserted if the caller is CompileOne. This happens for gtests. |
| 806 | if (!compiled_methods_.HaveDexFile(dex_file)) { |
Mathieu Chartier | fc8b422 | 2017-09-17 13:44:24 -0700 | [diff] [blame] | 807 | compiled_methods_.AddDexFile(dex_file); |
Mathieu Chartier | 88b74b6 | 2017-07-16 17:08:19 -0700 | [diff] [blame] | 808 | } |
| 809 | } |
Nicolas Geoffray | 49cda06 | 2017-04-21 13:08:25 +0100 | [diff] [blame] | 810 | // Resolve eagerly to prepare for compilation. |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 811 | Resolve(class_loader, dex_files, timings); |
Mathieu Chartier | e86deef | 2015-03-19 13:43:37 -0700 | [diff] [blame] | 812 | VLOG(compiler) << "Resolve: " << GetMemoryUsageString(false); |
| 813 | } |
| 814 | |
Nicolas Geoffray | 60ca949 | 2016-12-20 21:15:00 +0000 | [diff] [blame] | 815 | if (compiler_options_->AssumeClassesAreVerified()) { |
Mathieu Chartier | ab972ef | 2014-12-03 17:38:22 -0800 | [diff] [blame] | 816 | VLOG(compiler) << "Verify none mode specified, skipping verification."; |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 817 | SetVerified(class_loader, dex_files, timings); |
Mathieu Chartier | e86deef | 2015-03-19 13:43:37 -0700 | [diff] [blame] | 818 | } |
| 819 | |
Nicolas Geoffray | 60ca949 | 2016-12-20 21:15:00 +0000 | [diff] [blame] | 820 | if (!compiler_options_->IsVerificationEnabled()) { |
Jeff Hao | 4a200f5 | 2014-04-01 14:58:49 -0700 | [diff] [blame] | 821 | return; |
| 822 | } |
| 823 | |
Vladimir Marko | aad75c6 | 2016-10-03 08:46:48 +0000 | [diff] [blame] | 824 | if (GetCompilerOptions().IsForceDeterminism() && GetCompilerOptions().IsBootImage()) { |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 825 | // Resolve strings from const-string. Do this now to have a deterministic image. |
| 826 | ResolveConstStrings(this, dex_files, timings); |
| 827 | VLOG(compiler) << "Resolve const-strings: " << GetMemoryUsageString(false); |
| 828 | } |
| 829 | |
Nicolas Geoffray | b0bbe8e | 2016-11-19 10:42:37 +0000 | [diff] [blame] | 830 | Verify(class_loader, dex_files, timings); |
Andreas Gampe | 8d295f8 | 2015-01-20 14:50:21 -0800 | [diff] [blame] | 831 | VLOG(compiler) << "Verify: " << GetMemoryUsageString(false); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 832 | |
Andreas Gampe | 6cf49e5 | 2015-03-05 13:08:45 -0800 | [diff] [blame] | 833 | if (had_hard_verifier_failure_ && GetCompilerOptions().AbortOnHardVerifierFailure()) { |
Andreas Gampe | fdfb4d4 | 2017-07-27 12:12:22 -0700 | [diff] [blame] | 834 | // Avoid dumping threads. Even if we shut down the thread pools, there will still be three |
| 835 | // instances of this thread's stack. |
| 836 | LOG(FATAL_WITHOUT_ABORT) << "Had a hard failure verifying all classes, and was asked to abort " |
| 837 | << "in such situations. Please check the log."; |
| 838 | abort(); |
Andreas Gampe | f39208f | 2017-10-19 15:06:59 -0700 | [diff] [blame] | 839 | } else if (number_of_soft_verifier_failures_ > 0 && |
| 840 | GetCompilerOptions().AbortOnSoftVerifierFailure()) { |
| 841 | LOG(FATAL_WITHOUT_ABORT) << "Had " << number_of_soft_verifier_failures_ << " soft failure(s) " |
| 842 | << "verifying all classes, and was asked to abort in such situations. " |
| 843 | << "Please check the log."; |
| 844 | abort(); |
Andreas Gampe | 6cf49e5 | 2015-03-05 13:08:45 -0800 | [diff] [blame] | 845 | } |
| 846 | |
Nicolas Geoffray | 49cda06 | 2017-04-21 13:08:25 +0100 | [diff] [blame] | 847 | if (compiler_options_->IsAnyCompilationEnabled()) { |
Nicolas Geoffray | 0a27fd0 | 2017-01-25 16:18:54 +0000 | [diff] [blame] | 848 | if (kIsDebugBuild) { |
| 849 | EnsureVerifiedOrVerifyAtRuntime(class_loader, dex_files); |
| 850 | } |
Nicolas Geoffray | ade72d6 | 2016-12-15 13:20:02 +0000 | [diff] [blame] | 851 | InitializeClasses(class_loader, dex_files, timings); |
| 852 | VLOG(compiler) << "InitializeClasses: " << GetMemoryUsageString(false); |
| 853 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 854 | |
| 855 | UpdateImageClasses(timings); |
Andreas Gampe | 8d295f8 | 2015-01-20 14:50:21 -0800 | [diff] [blame] | 856 | VLOG(compiler) << "UpdateImageClasses: " << GetMemoryUsageString(false); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 857 | } |
| 858 | |
Ian Rogers | dfb325e | 2013-10-30 01:00:44 -0700 | [diff] [blame] | 859 | bool CompilerDriver::IsImageClass(const char* descriptor) const { |
Mathieu Chartier | c5dd319 | 2015-12-09 16:38:30 -0800 | [diff] [blame] | 860 | if (image_classes_ != nullptr) { |
| 861 | // If we have a set of image classes, use those. |
Ian Rogers | dfb325e | 2013-10-30 01:00:44 -0700 | [diff] [blame] | 862 | return image_classes_->find(descriptor) != image_classes_->end(); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 863 | } |
Mathieu Chartier | c5dd319 | 2015-12-09 16:38:30 -0800 | [diff] [blame] | 864 | // No set of image classes, assume we include all the classes. |
| 865 | // NOTE: Currently only reachable from InitImageMethodVisitor for the app image case. |
Vladimir Marko | aad75c6 | 2016-10-03 08:46:48 +0000 | [diff] [blame] | 866 | return !GetCompilerOptions().IsBootImage(); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 867 | } |
| 868 | |
Andreas Gampe | 4bf3ae9 | 2014-11-11 13:28:29 -0800 | [diff] [blame] | 869 | bool CompilerDriver::IsClassToCompile(const char* descriptor) const { |
Andreas Gampe | b1fcead | 2015-04-20 18:53:51 -0700 | [diff] [blame] | 870 | if (classes_to_compile_ == nullptr) { |
| 871 | return true; |
| 872 | } |
| 873 | return classes_to_compile_->find(descriptor) != classes_to_compile_->end(); |
Andreas Gampe | 4bf3ae9 | 2014-11-11 13:28:29 -0800 | [diff] [blame] | 874 | } |
| 875 | |
Andreas Gampe | 70bef0d | 2015-04-15 02:37:28 -0700 | [diff] [blame] | 876 | bool CompilerDriver::IsMethodToCompile(const MethodReference& method_ref) const { |
Andreas Gampe | 70bef0d | 2015-04-15 02:37:28 -0700 | [diff] [blame] | 877 | if (methods_to_compile_ == nullptr) { |
| 878 | return true; |
| 879 | } |
| 880 | |
Mathieu Chartier | fc8b422 | 2017-09-17 13:44:24 -0700 | [diff] [blame] | 881 | std::string tmp = method_ref.PrettyMethod(); |
Andreas Gampe | 70bef0d | 2015-04-15 02:37:28 -0700 | [diff] [blame] | 882 | return methods_to_compile_->find(tmp.c_str()) != methods_to_compile_->end(); |
| 883 | } |
| 884 | |
Calin Juravle | 226501b | 2015-12-11 14:41:31 +0000 | [diff] [blame] | 885 | bool CompilerDriver::ShouldCompileBasedOnProfile(const MethodReference& method_ref) const { |
Mathieu Chartier | 97ab5e3 | 2017-02-22 13:35:44 -0800 | [diff] [blame] | 886 | // Profile compilation info may be null if no profile is passed. |
Mathieu Chartier | d0af56c | 2017-02-17 12:56:25 -0800 | [diff] [blame] | 887 | if (!CompilerFilter::DependsOnProfile(compiler_options_->GetCompilerFilter())) { |
| 888 | // Use the compiler filter instead of the presence of profile_compilation_info_ since |
| 889 | // we may want to have full speed compilation along with profile based layout optimizations. |
Calin Juravle | 226501b | 2015-12-11 14:41:31 +0000 | [diff] [blame] | 890 | return true; |
| 891 | } |
Mathieu Chartier | 97ab5e3 | 2017-02-22 13:35:44 -0800 | [diff] [blame] | 892 | // If we are using a profile filter but do not have a profile compilation info, compile nothing. |
| 893 | if (profile_compilation_info_ == nullptr) { |
| 894 | return false; |
| 895 | } |
Mathieu Chartier | 7b135c8 | 2017-06-05 12:54:01 -0700 | [diff] [blame] | 896 | // Compile only hot methods, it is the profile saver's job to decide what startup methods to mark |
| 897 | // as hot. |
Mathieu Chartier | bbe3a5e | 2017-06-13 16:36:17 -0700 | [diff] [blame] | 898 | bool result = profile_compilation_info_->GetMethodHotness(method_ref).IsHot(); |
Calin Juravle | 226501b | 2015-12-11 14:41:31 +0000 | [diff] [blame] | 899 | |
| 900 | if (kDebugProfileGuidedCompilation) { |
| 901 | LOG(INFO) << "[ProfileGuidedCompilation] " |
Mathieu Chartier | fc8b422 | 2017-09-17 13:44:24 -0700 | [diff] [blame] | 902 | << (result ? "Compiled" : "Skipped") << " method:" << method_ref.PrettyMethod(true); |
Calin Juravle | 226501b | 2015-12-11 14:41:31 +0000 | [diff] [blame] | 903 | } |
| 904 | return result; |
| 905 | } |
| 906 | |
Mathieu Chartier | e0671ce | 2015-07-28 17:23:28 -0700 | [diff] [blame] | 907 | class ResolveCatchBlockExceptionsClassVisitor : public ClassVisitor { |
| 908 | public: |
Vladimir Marko | 8d6768d | 2017-03-14 10:13:21 +0000 | [diff] [blame] | 909 | ResolveCatchBlockExceptionsClassVisitor() : classes_() {} |
Mathieu Chartier | e0671ce | 2015-07-28 17:23:28 -0700 | [diff] [blame] | 910 | |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 911 | virtual bool operator()(ObjPtr<mirror::Class> c) OVERRIDE REQUIRES_SHARED(Locks::mutator_lock_) { |
Vladimir Marko | 8d6768d | 2017-03-14 10:13:21 +0000 | [diff] [blame] | 912 | classes_.push_back(c); |
Mathieu Chartier | e4275c0 | 2015-08-06 15:34:15 -0700 | [diff] [blame] | 913 | return true; |
| 914 | } |
| 915 | |
Vladimir Marko | 8d6768d | 2017-03-14 10:13:21 +0000 | [diff] [blame] | 916 | void FindExceptionTypesToResolve( |
| 917 | std::set<std::pair<dex::TypeIndex, const DexFile*>>* exceptions_to_resolve) |
Vladimir Marko | bfb80d2 | 2017-02-14 14:08:12 +0000 | [diff] [blame] | 918 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Vladimir Marko | 8d6768d | 2017-03-14 10:13:21 +0000 | [diff] [blame] | 919 | const auto pointer_size = Runtime::Current()->GetClassLinker()->GetImagePointerSize(); |
| 920 | for (ObjPtr<mirror::Class> klass : classes_) { |
| 921 | for (ArtMethod& method : klass->GetMethods(pointer_size)) { |
| 922 | FindExceptionTypesToResolveForMethod(&method, exceptions_to_resolve); |
| 923 | } |
| 924 | } |
| 925 | } |
| 926 | |
| 927 | private: |
| 928 | void FindExceptionTypesToResolveForMethod( |
| 929 | ArtMethod* method, |
| 930 | std::set<std::pair<dex::TypeIndex, const DexFile*>>* exceptions_to_resolve) |
| 931 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Mathieu Chartier | 808c7a5 | 2017-12-15 11:19:33 -0800 | [diff] [blame] | 932 | if (method->GetCodeItem() == nullptr) { |
Mathieu Chartier | e0671ce | 2015-07-28 17:23:28 -0700 | [diff] [blame] | 933 | return; // native or abstract method |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 934 | } |
Mathieu Chartier | 808c7a5 | 2017-12-15 11:19:33 -0800 | [diff] [blame] | 935 | CodeItemDataAccessor accessor(method); |
| 936 | if (accessor.TriesSize() == 0) { |
Mathieu Chartier | e0671ce | 2015-07-28 17:23:28 -0700 | [diff] [blame] | 937 | return; // nothing to process |
| 938 | } |
Mathieu Chartier | 808c7a5 | 2017-12-15 11:19:33 -0800 | [diff] [blame] | 939 | const uint8_t* encoded_catch_handler_list = accessor.GetCatchHandlerData(); |
Mathieu Chartier | e0671ce | 2015-07-28 17:23:28 -0700 | [diff] [blame] | 940 | size_t num_encoded_catch_handlers = DecodeUnsignedLeb128(&encoded_catch_handler_list); |
| 941 | for (size_t i = 0; i < num_encoded_catch_handlers; i++) { |
| 942 | int32_t encoded_catch_handler_size = DecodeSignedLeb128(&encoded_catch_handler_list); |
| 943 | bool has_catch_all = false; |
| 944 | if (encoded_catch_handler_size <= 0) { |
| 945 | encoded_catch_handler_size = -encoded_catch_handler_size; |
| 946 | has_catch_all = true; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 947 | } |
Mathieu Chartier | e0671ce | 2015-07-28 17:23:28 -0700 | [diff] [blame] | 948 | for (int32_t j = 0; j < encoded_catch_handler_size; j++) { |
Andreas Gampe | a5b09a6 | 2016-11-17 15:21:22 -0800 | [diff] [blame] | 949 | dex::TypeIndex encoded_catch_handler_handlers_type_idx = |
| 950 | dex::TypeIndex(DecodeUnsignedLeb128(&encoded_catch_handler_list)); |
Mathieu Chartier | e0671ce | 2015-07-28 17:23:28 -0700 | [diff] [blame] | 951 | // Add to set of types to resolve if not already in the dex cache resolved types |
Vladimir Marko | 8d6768d | 2017-03-14 10:13:21 +0000 | [diff] [blame] | 952 | if (!method->IsResolvedTypeIdx(encoded_catch_handler_handlers_type_idx)) { |
| 953 | exceptions_to_resolve->emplace(encoded_catch_handler_handlers_type_idx, |
| 954 | method->GetDexFile()); |
Mathieu Chartier | e0671ce | 2015-07-28 17:23:28 -0700 | [diff] [blame] | 955 | } |
| 956 | // ignore address associated with catch handler |
| 957 | DecodeUnsignedLeb128(&encoded_catch_handler_list); |
| 958 | } |
| 959 | if (has_catch_all) { |
| 960 | // ignore catch all address |
| 961 | DecodeUnsignedLeb128(&encoded_catch_handler_list); |
| 962 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 963 | } |
| 964 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 965 | |
Vladimir Marko | 8d6768d | 2017-03-14 10:13:21 +0000 | [diff] [blame] | 966 | std::vector<ObjPtr<mirror::Class>> classes_; |
Mathieu Chartier | e0671ce | 2015-07-28 17:23:28 -0700 | [diff] [blame] | 967 | }; |
| 968 | |
| 969 | class RecordImageClassesVisitor : public ClassVisitor { |
| 970 | public: |
| 971 | explicit RecordImageClassesVisitor(std::unordered_set<std::string>* image_classes) |
| 972 | : image_classes_(image_classes) {} |
| 973 | |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 974 | bool operator()(ObjPtr<mirror::Class> klass) OVERRIDE REQUIRES_SHARED(Locks::mutator_lock_) { |
Mathieu Chartier | e0671ce | 2015-07-28 17:23:28 -0700 | [diff] [blame] | 975 | std::string temp; |
| 976 | image_classes_->insert(klass->GetDescriptor(&temp)); |
| 977 | return true; |
| 978 | } |
| 979 | |
| 980 | private: |
| 981 | std::unordered_set<std::string>* const image_classes_; |
| 982 | }; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 983 | |
| 984 | // Make a list of descriptors for classes to include in the image |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 985 | void CompilerDriver::LoadImageClasses(TimingLogger* timings) { |
Kenny Root | d518534 | 2014-05-13 14:47:05 -0700 | [diff] [blame] | 986 | CHECK(timings != nullptr); |
Vladimir Marko | aad75c6 | 2016-10-03 08:46:48 +0000 | [diff] [blame] | 987 | if (!GetCompilerOptions().IsBootImage()) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 988 | return; |
| 989 | } |
| 990 | |
Mathieu Chartier | f5997b4 | 2014-06-20 10:37:54 -0700 | [diff] [blame] | 991 | TimingLogger::ScopedTiming t("LoadImageClasses", timings); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 992 | // Make a first class to load all classes explicitly listed in the file |
| 993 | Thread* self = Thread::Current(); |
| 994 | ScopedObjectAccess soa(self); |
| 995 | ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); |
Kenny Root | d518534 | 2014-05-13 14:47:05 -0700 | [diff] [blame] | 996 | CHECK(image_classes_.get() != nullptr); |
Mathieu Chartier | 02e2511 | 2013-08-14 16:14:24 -0700 | [diff] [blame] | 997 | for (auto it = image_classes_->begin(), end = image_classes_->end(); it != end;) { |
Vladimir Marko | e9c36b3 | 2013-11-21 15:49:16 +0000 | [diff] [blame] | 998 | const std::string& descriptor(*it); |
Mathieu Chartier | eb8167a | 2014-05-07 15:43:14 -0700 | [diff] [blame] | 999 | StackHandleScope<1> hs(self); |
| 1000 | Handle<mirror::Class> klass( |
| 1001 | hs.NewHandle(class_linker->FindSystemClass(self, descriptor.c_str()))); |
Andreas Gampe | fa4333d | 2017-02-14 11:10:34 -0800 | [diff] [blame] | 1002 | if (klass == nullptr) { |
Ian Rogers | e6bb3b2 | 2013-08-19 21:51:45 -0700 | [diff] [blame] | 1003 | VLOG(compiler) << "Failed to find class " << descriptor; |
Vladimir Marko | e9c36b3 | 2013-11-21 15:49:16 +0000 | [diff] [blame] | 1004 | image_classes_->erase(it++); |
Ian Rogers | a436fde | 2013-08-27 23:34:06 -0700 | [diff] [blame] | 1005 | self->ClearException(); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1006 | } else { |
| 1007 | ++it; |
| 1008 | } |
| 1009 | } |
| 1010 | |
| 1011 | // Resolve exception classes referenced by the loaded classes. The catch logic assumes |
| 1012 | // exceptions are resolved by the verifier when there is a catch block in an interested method. |
| 1013 | // Do this here so that exception classes appear to have been specified image classes. |
Andreas Gampe | a5b09a6 | 2016-11-17 15:21:22 -0800 | [diff] [blame] | 1014 | std::set<std::pair<dex::TypeIndex, const DexFile*>> unresolved_exception_types; |
Mathieu Chartier | eb8167a | 2014-05-07 15:43:14 -0700 | [diff] [blame] | 1015 | StackHandleScope<1> hs(self); |
| 1016 | Handle<mirror::Class> java_lang_Throwable( |
| 1017 | hs.NewHandle(class_linker->FindSystemClass(self, "Ljava/lang/Throwable;"))); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1018 | do { |
| 1019 | unresolved_exception_types.clear(); |
Vladimir Marko | 8d6768d | 2017-03-14 10:13:21 +0000 | [diff] [blame] | 1020 | { |
| 1021 | // Thread suspension is not allowed while ResolveCatchBlockExceptionsClassVisitor |
| 1022 | // is using a std::vector<ObjPtr<mirror::Class>>. |
| 1023 | ScopedAssertNoThreadSuspension ants(__FUNCTION__); |
| 1024 | ResolveCatchBlockExceptionsClassVisitor visitor; |
| 1025 | class_linker->VisitClasses(&visitor); |
| 1026 | visitor.FindExceptionTypesToResolve(&unresolved_exception_types); |
| 1027 | } |
Andreas Gampe | a5b09a6 | 2016-11-17 15:21:22 -0800 | [diff] [blame] | 1028 | for (const auto& exception_type : unresolved_exception_types) { |
| 1029 | dex::TypeIndex exception_type_idx = exception_type.first; |
Mathieu Chartier | 02e2511 | 2013-08-14 16:14:24 -0700 | [diff] [blame] | 1030 | const DexFile* dex_file = exception_type.second; |
Vladimir Marko | 666ee3d | 2017-12-11 18:37:36 +0000 | [diff] [blame] | 1031 | StackHandleScope<1> hs2(self); |
Mathieu Chartier | f284d44 | 2016-06-02 11:48:30 -0700 | [diff] [blame] | 1032 | Handle<mirror::DexCache> dex_cache(hs2.NewHandle(class_linker->RegisterDexFile(*dex_file, |
| 1033 | nullptr))); |
Vladimir Marko | 666ee3d | 2017-12-11 18:37:36 +0000 | [diff] [blame] | 1034 | ObjPtr<mirror::Class> klass = |
Andreas Gampe | fa4333d | 2017-02-14 11:10:34 -0800 | [diff] [blame] | 1035 | (dex_cache != nullptr) |
Vladimir Marko | 666ee3d | 2017-12-11 18:37:36 +0000 | [diff] [blame] | 1036 | ? class_linker->ResolveType(exception_type_idx, |
Vladimir Marko | cd556b0 | 2017-02-03 11:47:34 +0000 | [diff] [blame] | 1037 | dex_cache, |
| 1038 | ScopedNullHandle<mirror::ClassLoader>()) |
Vladimir Marko | 666ee3d | 2017-12-11 18:37:36 +0000 | [diff] [blame] | 1039 | : nullptr; |
Andreas Gampe | fa4333d | 2017-02-14 11:10:34 -0800 | [diff] [blame] | 1040 | if (klass == nullptr) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1041 | const DexFile::TypeId& type_id = dex_file->GetTypeId(exception_type_idx); |
| 1042 | const char* descriptor = dex_file->GetTypeDescriptor(type_id); |
| 1043 | LOG(FATAL) << "Failed to resolve class " << descriptor; |
| 1044 | } |
Vladimir Marko | 666ee3d | 2017-12-11 18:37:36 +0000 | [diff] [blame] | 1045 | DCHECK(java_lang_Throwable->IsAssignableFrom(klass)); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1046 | } |
| 1047 | // Resolving exceptions may load classes that reference more exceptions, iterate until no |
| 1048 | // more are found |
| 1049 | } while (!unresolved_exception_types.empty()); |
| 1050 | |
| 1051 | // We walk the roots looking for classes so that we'll pick up the |
| 1052 | // above classes plus any classes them depend on such super |
| 1053 | // classes, interfaces, and the required ClassLinker roots. |
Mathieu Chartier | e0671ce | 2015-07-28 17:23:28 -0700 | [diff] [blame] | 1054 | RecordImageClassesVisitor visitor(image_classes_.get()); |
| 1055 | class_linker->VisitClasses(&visitor); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1056 | |
| 1057 | CHECK_NE(image_classes_->size(), 0U); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1058 | } |
| 1059 | |
Vladimir Marko | 19a4d37 | 2016-12-08 14:41:46 +0000 | [diff] [blame] | 1060 | static void MaybeAddToImageClasses(Thread* self, |
| 1061 | ObjPtr<mirror::Class> klass, |
Andreas Gampe | b1fcead | 2015-04-20 18:53:51 -0700 | [diff] [blame] | 1062 | std::unordered_set<std::string>* image_classes) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 1063 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Vladimir Marko | 19a4d37 | 2016-12-08 14:41:46 +0000 | [diff] [blame] | 1064 | DCHECK_EQ(self, Thread::Current()); |
Mathieu Chartier | f832284 | 2014-05-16 10:59:25 -0700 | [diff] [blame] | 1065 | StackHandleScope<1> hs(self); |
Ian Rogers | 1ff3c98 | 2014-08-12 02:30:58 -0700 | [diff] [blame] | 1066 | std::string temp; |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 1067 | const PointerSize pointer_size = Runtime::Current()->GetClassLinker()->GetImagePointerSize(); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1068 | while (!klass->IsObjectClass()) { |
Ian Rogers | 1ff3c98 | 2014-08-12 02:30:58 -0700 | [diff] [blame] | 1069 | const char* descriptor = klass->GetDescriptor(&temp); |
Andreas Gampe | b1fcead | 2015-04-20 18:53:51 -0700 | [diff] [blame] | 1070 | std::pair<std::unordered_set<std::string>::iterator, bool> result = |
| 1071 | image_classes->insert(descriptor); |
Ian Rogers | 1ff3c98 | 2014-08-12 02:30:58 -0700 | [diff] [blame] | 1072 | if (!result.second) { // Previously inserted. |
| 1073 | break; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1074 | } |
Ian Rogers | 1ff3c98 | 2014-08-12 02:30:58 -0700 | [diff] [blame] | 1075 | VLOG(compiler) << "Adding " << descriptor << " to image classes"; |
Vladimir Marko | 19a4d37 | 2016-12-08 14:41:46 +0000 | [diff] [blame] | 1076 | for (size_t i = 0, num_interfaces = klass->NumDirectInterfaces(); i != num_interfaces; ++i) { |
| 1077 | ObjPtr<mirror::Class> interface = mirror::Class::GetDirectInterface(self, klass, i); |
| 1078 | DCHECK(interface != nullptr); |
| 1079 | MaybeAddToImageClasses(self, interface, image_classes); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1080 | } |
Vladimir Marko | 19a4d37 | 2016-12-08 14:41:46 +0000 | [diff] [blame] | 1081 | for (auto& m : klass->GetVirtualMethods(pointer_size)) { |
| 1082 | MaybeAddToImageClasses(self, m.GetDeclaringClass(), image_classes); |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 1083 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1084 | if (klass->IsArrayClass()) { |
Vladimir Marko | 19a4d37 | 2016-12-08 14:41:46 +0000 | [diff] [blame] | 1085 | MaybeAddToImageClasses(self, klass->GetComponentType(), image_classes); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1086 | } |
Mathieu Chartier | f832284 | 2014-05-16 10:59:25 -0700 | [diff] [blame] | 1087 | klass.Assign(klass->GetSuperClass()); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1088 | } |
| 1089 | } |
| 1090 | |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 1091 | // Keeps all the data for the update together. Also doubles as the reference visitor. |
| 1092 | // Note: we can use object pointers because we suspend all threads. |
| 1093 | class ClinitImageUpdate { |
| 1094 | public: |
Mathieu Chartier | 31e8822 | 2016-10-14 18:43:19 -0700 | [diff] [blame] | 1095 | static ClinitImageUpdate* Create(VariableSizedHandleScope& hs, |
| 1096 | std::unordered_set<std::string>* image_class_descriptors, |
| 1097 | Thread* self, |
| 1098 | ClassLinker* linker) { |
| 1099 | std::unique_ptr<ClinitImageUpdate> res(new ClinitImageUpdate(hs, |
| 1100 | image_class_descriptors, |
| 1101 | self, |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 1102 | linker)); |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 1103 | return res.release(); |
| 1104 | } |
| 1105 | |
| 1106 | ~ClinitImageUpdate() { |
| 1107 | // Allow others to suspend again. |
| 1108 | self_->EndAssertNoThreadSuspension(old_cause_); |
| 1109 | } |
| 1110 | |
| 1111 | // Visitor for VisitReferences. |
Mathieu Chartier | 31e8822 | 2016-10-14 18:43:19 -0700 | [diff] [blame] | 1112 | void operator()(ObjPtr<mirror::Object> object, |
| 1113 | MemberOffset field_offset, |
| 1114 | bool /* is_static */) const |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 1115 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 1116 | mirror::Object* ref = object->GetFieldObject<mirror::Object>(field_offset); |
| 1117 | if (ref != nullptr) { |
| 1118 | VisitClinitClassesObject(ref); |
| 1119 | } |
| 1120 | } |
| 1121 | |
Roland Levillain | 5e8d5f0 | 2016-10-18 18:03:43 +0100 | [diff] [blame] | 1122 | // java.lang.ref.Reference visitor for VisitReferences. |
Mathieu Chartier | 31e8822 | 2016-10-14 18:43:19 -0700 | [diff] [blame] | 1123 | void operator()(ObjPtr<mirror::Class> klass ATTRIBUTE_UNUSED, |
| 1124 | ObjPtr<mirror::Reference> ref ATTRIBUTE_UNUSED) const {} |
Mathieu Chartier | da7c650 | 2015-07-23 16:01:26 -0700 | [diff] [blame] | 1125 | |
| 1126 | // Ignore class native roots. |
| 1127 | void VisitRootIfNonNull(mirror::CompressedReference<mirror::Object>* root ATTRIBUTE_UNUSED) |
| 1128 | const {} |
| 1129 | void VisitRoot(mirror::CompressedReference<mirror::Object>* root ATTRIBUTE_UNUSED) const {} |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 1130 | |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 1131 | void Walk() REQUIRES_SHARED(Locks::mutator_lock_) { |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 1132 | // Use the initial classes as roots for a search. |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 1133 | for (Handle<mirror::Class> klass_root : image_classes_) { |
| 1134 | VisitClinitClassesObject(klass_root.Get()); |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 1135 | } |
Vladimir Marko | 19a4d37 | 2016-12-08 14:41:46 +0000 | [diff] [blame] | 1136 | Thread* self = Thread::Current(); |
| 1137 | ScopedAssertNoThreadSuspension ants(__FUNCTION__); |
Mathieu Chartier | 31e8822 | 2016-10-14 18:43:19 -0700 | [diff] [blame] | 1138 | for (Handle<mirror::Class> h_klass : to_insert_) { |
Vladimir Marko | 19a4d37 | 2016-12-08 14:41:46 +0000 | [diff] [blame] | 1139 | MaybeAddToImageClasses(self, h_klass.Get(), image_class_descriptors_); |
Mathieu Chartier | 31e8822 | 2016-10-14 18:43:19 -0700 | [diff] [blame] | 1140 | } |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 1141 | } |
| 1142 | |
| 1143 | private: |
Mathieu Chartier | e0671ce | 2015-07-28 17:23:28 -0700 | [diff] [blame] | 1144 | class FindImageClassesVisitor : public ClassVisitor { |
| 1145 | public: |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 1146 | explicit FindImageClassesVisitor(VariableSizedHandleScope& hs, |
| 1147 | ClinitImageUpdate* data) |
| 1148 | : data_(data), |
| 1149 | hs_(hs) {} |
Mathieu Chartier | e0671ce | 2015-07-28 17:23:28 -0700 | [diff] [blame] | 1150 | |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 1151 | bool operator()(ObjPtr<mirror::Class> klass) OVERRIDE REQUIRES_SHARED(Locks::mutator_lock_) { |
Mathieu Chartier | e0671ce | 2015-07-28 17:23:28 -0700 | [diff] [blame] | 1152 | std::string temp; |
| 1153 | const char* name = klass->GetDescriptor(&temp); |
| 1154 | if (data_->image_class_descriptors_->find(name) != data_->image_class_descriptors_->end()) { |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 1155 | data_->image_classes_.push_back(hs_.NewHandle(klass)); |
Mathieu Chartier | e0671ce | 2015-07-28 17:23:28 -0700 | [diff] [blame] | 1156 | } else { |
| 1157 | // Check whether it is initialized and has a clinit. They must be kept, too. |
| 1158 | if (klass->IsInitialized() && klass->FindClassInitializer( |
| 1159 | Runtime::Current()->GetClassLinker()->GetImagePointerSize()) != nullptr) { |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 1160 | data_->image_classes_.push_back(hs_.NewHandle(klass)); |
Mathieu Chartier | e0671ce | 2015-07-28 17:23:28 -0700 | [diff] [blame] | 1161 | } |
| 1162 | } |
| 1163 | return true; |
| 1164 | } |
| 1165 | |
| 1166 | private: |
| 1167 | ClinitImageUpdate* const data_; |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 1168 | VariableSizedHandleScope& hs_; |
Mathieu Chartier | e0671ce | 2015-07-28 17:23:28 -0700 | [diff] [blame] | 1169 | }; |
| 1170 | |
Mathieu Chartier | 31e8822 | 2016-10-14 18:43:19 -0700 | [diff] [blame] | 1171 | ClinitImageUpdate(VariableSizedHandleScope& hs, |
| 1172 | std::unordered_set<std::string>* image_class_descriptors, |
| 1173 | Thread* self, |
| 1174 | ClassLinker* linker) REQUIRES_SHARED(Locks::mutator_lock_) |
| 1175 | : hs_(hs), |
| 1176 | image_class_descriptors_(image_class_descriptors), |
| 1177 | self_(self) { |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 1178 | CHECK(linker != nullptr); |
| 1179 | CHECK(image_class_descriptors != nullptr); |
| 1180 | |
| 1181 | // Make sure nobody interferes with us. |
| 1182 | old_cause_ = self->StartAssertNoThreadSuspension("Boot image closure"); |
| 1183 | |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 1184 | // Find all the already-marked classes. |
| 1185 | WriterMutexLock mu(self, *Locks::heap_bitmap_lock_); |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 1186 | FindImageClassesVisitor visitor(hs_, this); |
Mathieu Chartier | e0671ce | 2015-07-28 17:23:28 -0700 | [diff] [blame] | 1187 | linker->VisitClasses(&visitor); |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 1188 | } |
| 1189 | |
| 1190 | void VisitClinitClassesObject(mirror::Object* object) const |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 1191 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 1192 | DCHECK(object != nullptr); |
| 1193 | if (marked_objects_.find(object) != marked_objects_.end()) { |
| 1194 | // Already processed. |
| 1195 | return; |
| 1196 | } |
| 1197 | |
| 1198 | // Mark it. |
| 1199 | marked_objects_.insert(object); |
| 1200 | |
| 1201 | if (object->IsClass()) { |
Mathieu Chartier | 31e8822 | 2016-10-14 18:43:19 -0700 | [diff] [blame] | 1202 | // Add to the TODO list since MaybeAddToImageClasses may cause thread suspension. Thread |
| 1203 | // suspensionb is not safe to do in VisitObjects or VisitReferences. |
| 1204 | to_insert_.push_back(hs_.NewHandle(object->AsClass())); |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 1205 | } else { |
| 1206 | // Else visit the object's class. |
| 1207 | VisitClinitClassesObject(object->GetClass()); |
| 1208 | } |
| 1209 | |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 1210 | // If it is not a DexCache, visit all references. |
Mathieu Chartier | 31e8822 | 2016-10-14 18:43:19 -0700 | [diff] [blame] | 1211 | if (!object->IsDexCache()) { |
Mathieu Chartier | 059ef3d | 2015-08-18 13:54:21 -0700 | [diff] [blame] | 1212 | object->VisitReferences(*this, *this); |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 1213 | } |
| 1214 | } |
| 1215 | |
Mathieu Chartier | 31e8822 | 2016-10-14 18:43:19 -0700 | [diff] [blame] | 1216 | VariableSizedHandleScope& hs_; |
| 1217 | mutable std::vector<Handle<mirror::Class>> to_insert_; |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 1218 | mutable std::unordered_set<mirror::Object*> marked_objects_; |
Andreas Gampe | b1fcead | 2015-04-20 18:53:51 -0700 | [diff] [blame] | 1219 | std::unordered_set<std::string>* const image_class_descriptors_; |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 1220 | std::vector<Handle<mirror::Class>> image_classes_; |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 1221 | Thread* const self_; |
| 1222 | const char* old_cause_; |
| 1223 | |
| 1224 | DISALLOW_COPY_AND_ASSIGN(ClinitImageUpdate); |
| 1225 | }; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1226 | |
Ian Rogers | 3d50407 | 2014-03-01 09:16:49 -0800 | [diff] [blame] | 1227 | void CompilerDriver::UpdateImageClasses(TimingLogger* timings) { |
Vladimir Marko | aad75c6 | 2016-10-03 08:46:48 +0000 | [diff] [blame] | 1228 | if (GetCompilerOptions().IsBootImage()) { |
Mathieu Chartier | f5997b4 | 2014-06-20 10:37:54 -0700 | [diff] [blame] | 1229 | TimingLogger::ScopedTiming t("UpdateImageClasses", timings); |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 1230 | |
Mathieu Chartier | 4f55e22 | 2015-09-04 13:26:21 -0700 | [diff] [blame] | 1231 | Runtime* runtime = Runtime::Current(); |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 1232 | |
| 1233 | // Suspend all threads. |
Mathieu Chartier | 4f55e22 | 2015-09-04 13:26:21 -0700 | [diff] [blame] | 1234 | ScopedSuspendAll ssa(__FUNCTION__); |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 1235 | |
Mathieu Chartier | 31e8822 | 2016-10-14 18:43:19 -0700 | [diff] [blame] | 1236 | VariableSizedHandleScope hs(Thread::Current()); |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 1237 | std::string error_msg; |
Mathieu Chartier | 31e8822 | 2016-10-14 18:43:19 -0700 | [diff] [blame] | 1238 | std::unique_ptr<ClinitImageUpdate> update(ClinitImageUpdate::Create(hs, |
| 1239 | image_classes_.get(), |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 1240 | Thread::Current(), |
Mathieu Chartier | 31e8822 | 2016-10-14 18:43:19 -0700 | [diff] [blame] | 1241 | runtime->GetClassLinker())); |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 1242 | |
| 1243 | // Do the marking. |
| 1244 | update->Walk(); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1245 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1246 | } |
| 1247 | |
Vladimir Marko | 07785bb | 2015-06-15 18:52:54 +0100 | [diff] [blame] | 1248 | bool CompilerDriver::CanAssumeClassIsLoaded(mirror::Class* klass) { |
| 1249 | Runtime* runtime = Runtime::Current(); |
| 1250 | if (!runtime->IsAotCompiler()) { |
Calin Juravle | ffc8707 | 2016-04-20 14:22:09 +0100 | [diff] [blame] | 1251 | DCHECK(runtime->UseJitCompilation()); |
Vladimir Marko | 07785bb | 2015-06-15 18:52:54 +0100 | [diff] [blame] | 1252 | // Having the klass reference here implies that the klass is already loaded. |
| 1253 | return true; |
| 1254 | } |
Vladimir Marko | aad75c6 | 2016-10-03 08:46:48 +0000 | [diff] [blame] | 1255 | if (!GetCompilerOptions().IsBootImage()) { |
Vladimir Marko | 07785bb | 2015-06-15 18:52:54 +0100 | [diff] [blame] | 1256 | // Assume loaded only if klass is in the boot image. App classes cannot be assumed |
| 1257 | // loaded because we don't even know what class loader will be used to load them. |
| 1258 | bool class_in_image = runtime->GetHeap()->FindSpaceFromObject(klass, false)->IsImageSpace(); |
| 1259 | return class_in_image; |
| 1260 | } |
| 1261 | std::string temp; |
| 1262 | const char* descriptor = klass->GetDescriptor(&temp); |
| 1263 | return IsImageClass(descriptor); |
| 1264 | } |
| 1265 | |
Vladimir Marko | 8d6768d | 2017-03-14 10:13:21 +0000 | [diff] [blame] | 1266 | bool CompilerDriver::CanAccessTypeWithoutChecks(ObjPtr<mirror::Class> referrer_class, |
| 1267 | ObjPtr<mirror::Class> resolved_class) { |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 1268 | if (resolved_class == nullptr) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1269 | stats_->TypeNeedsAccessCheck(); |
| 1270 | return false; // Unknown class needs access checks. |
| 1271 | } |
David Brazdil | 38f64d3 | 2016-01-18 17:13:41 +0000 | [diff] [blame] | 1272 | bool is_accessible = resolved_class->IsPublic(); // Public classes are always accessible. |
| 1273 | if (!is_accessible) { |
David Brazdil | 38f64d3 | 2016-01-18 17:13:41 +0000 | [diff] [blame] | 1274 | if (referrer_class == nullptr) { |
| 1275 | stats_->TypeNeedsAccessCheck(); |
| 1276 | return false; // Incomplete referrer knowledge needs access check. |
| 1277 | } |
| 1278 | // Perform access check, will return true if access is ok or false if we're going to have to |
| 1279 | // check this at runtime (for example for class loaders). |
| 1280 | is_accessible = referrer_class->CanAccess(resolved_class); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1281 | } |
David Brazdil | 38f64d3 | 2016-01-18 17:13:41 +0000 | [diff] [blame] | 1282 | if (is_accessible) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1283 | stats_->TypeDoesntNeedAccessCheck(); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1284 | } else { |
| 1285 | stats_->TypeNeedsAccessCheck(); |
| 1286 | } |
David Brazdil | 38f64d3 | 2016-01-18 17:13:41 +0000 | [diff] [blame] | 1287 | return is_accessible; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1288 | } |
| 1289 | |
Vladimir Marko | 8d6768d | 2017-03-14 10:13:21 +0000 | [diff] [blame] | 1290 | bool CompilerDriver::CanAccessInstantiableTypeWithoutChecks(ObjPtr<mirror::Class> referrer_class, |
| 1291 | ObjPtr<mirror::Class> resolved_class, |
Mingyao Yang | fb8464a | 2015-11-02 10:56:59 -0800 | [diff] [blame] | 1292 | bool* finalizable) { |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 1293 | if (resolved_class == nullptr) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1294 | stats_->TypeNeedsAccessCheck(); |
Mingyao Yang | fb8464a | 2015-11-02 10:56:59 -0800 | [diff] [blame] | 1295 | // Be conservative. |
| 1296 | *finalizable = true; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1297 | return false; // Unknown class needs access checks. |
| 1298 | } |
Mingyao Yang | fb8464a | 2015-11-02 10:56:59 -0800 | [diff] [blame] | 1299 | *finalizable = resolved_class->IsFinalizable(); |
David Brazdil | 38f64d3 | 2016-01-18 17:13:41 +0000 | [diff] [blame] | 1300 | bool is_accessible = resolved_class->IsPublic(); // Public classes are always accessible. |
| 1301 | if (!is_accessible) { |
David Brazdil | 38f64d3 | 2016-01-18 17:13:41 +0000 | [diff] [blame] | 1302 | if (referrer_class == nullptr) { |
| 1303 | stats_->TypeNeedsAccessCheck(); |
| 1304 | return false; // Incomplete referrer knowledge needs access check. |
| 1305 | } |
| 1306 | // Perform access and instantiable checks, will return true if access is ok or false if we're |
| 1307 | // going to have to check this at runtime (for example for class loaders). |
| 1308 | is_accessible = referrer_class->CanAccess(resolved_class); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1309 | } |
David Brazdil | 38f64d3 | 2016-01-18 17:13:41 +0000 | [diff] [blame] | 1310 | bool result = is_accessible && resolved_class->IsInstantiable(); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1311 | if (result) { |
| 1312 | stats_->TypeDoesntNeedAccessCheck(); |
| 1313 | } else { |
| 1314 | stats_->TypeNeedsAccessCheck(); |
| 1315 | } |
| 1316 | return result; |
| 1317 | } |
| 1318 | |
Vladimir Marko | be0e546 | 2014-02-26 11:24:15 +0000 | [diff] [blame] | 1319 | void CompilerDriver::ProcessedInstanceField(bool resolved) { |
| 1320 | if (!resolved) { |
| 1321 | stats_->UnresolvedInstanceField(); |
| 1322 | } else { |
| 1323 | stats_->ResolvedInstanceField(); |
| 1324 | } |
| 1325 | } |
| 1326 | |
| 1327 | void CompilerDriver::ProcessedStaticField(bool resolved, bool local) { |
| 1328 | if (!resolved) { |
| 1329 | stats_->UnresolvedStaticField(); |
| 1330 | } else if (local) { |
| 1331 | stats_->ResolvedLocalStaticField(); |
| 1332 | } else { |
| 1333 | stats_->ResolvedStaticField(); |
| 1334 | } |
| 1335 | } |
| 1336 | |
Mathieu Chartier | c785344 | 2015-03-27 14:35:38 -0700 | [diff] [blame] | 1337 | ArtField* CompilerDriver::ComputeInstanceFieldInfo(uint32_t field_idx, |
Vladimir Marko | e11dd50 | 2017-12-08 14:09:45 +0000 | [diff] [blame] | 1338 | const DexCompilationUnit* mUnit, |
| 1339 | bool is_put, |
Mathieu Chartier | c785344 | 2015-03-27 14:35:38 -0700 | [diff] [blame] | 1340 | const ScopedObjectAccess& soa) { |
Vladimir Marko | be0e546 | 2014-02-26 11:24:15 +0000 | [diff] [blame] | 1341 | // Try to resolve the field and compiling method's class. |
Mathieu Chartier | c785344 | 2015-03-27 14:35:38 -0700 | [diff] [blame] | 1342 | ArtField* resolved_field; |
Vladimir Marko | 28e012a | 2017-12-07 11:22:59 +0000 | [diff] [blame] | 1343 | ObjPtr<mirror::Class> referrer_class; |
Mathieu Chartier | 736b560 | 2015-09-02 14:54:11 -0700 | [diff] [blame] | 1344 | Handle<mirror::DexCache> dex_cache(mUnit->GetDexCache()); |
Vladimir Marko | be0e546 | 2014-02-26 11:24:15 +0000 | [diff] [blame] | 1345 | { |
Vladimir Marko | e11dd50 | 2017-12-08 14:09:45 +0000 | [diff] [blame] | 1346 | Handle<mirror::ClassLoader> class_loader = mUnit->GetClassLoader(); |
| 1347 | resolved_field = ResolveField(soa, dex_cache, class_loader, field_idx, /* is_static */ false); |
Mathieu Chartier | c785344 | 2015-03-27 14:35:38 -0700 | [diff] [blame] | 1348 | referrer_class = resolved_field != nullptr |
Vladimir Marko | e11dd50 | 2017-12-08 14:09:45 +0000 | [diff] [blame] | 1349 | ? ResolveCompilingMethodsClass(soa, dex_cache, class_loader, mUnit) : nullptr; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1350 | } |
Nicolas Geoffray | e503832 | 2014-07-04 09:41:32 +0100 | [diff] [blame] | 1351 | bool can_link = false; |
Vladimir Marko | be0e546 | 2014-02-26 11:24:15 +0000 | [diff] [blame] | 1352 | if (resolved_field != nullptr && referrer_class != nullptr) { |
Vladimir Marko | be0e546 | 2014-02-26 11:24:15 +0000 | [diff] [blame] | 1353 | std::pair<bool, bool> fast_path = IsFastInstanceField( |
Mathieu Chartier | 736b560 | 2015-09-02 14:54:11 -0700 | [diff] [blame] | 1354 | dex_cache.Get(), referrer_class, resolved_field, field_idx); |
Nicolas Geoffray | e503832 | 2014-07-04 09:41:32 +0100 | [diff] [blame] | 1355 | can_link = is_put ? fast_path.second : fast_path.first; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1356 | } |
Nicolas Geoffray | e503832 | 2014-07-04 09:41:32 +0100 | [diff] [blame] | 1357 | ProcessedInstanceField(can_link); |
| 1358 | return can_link ? resolved_field : nullptr; |
| 1359 | } |
| 1360 | |
| 1361 | bool CompilerDriver::ComputeInstanceFieldInfo(uint32_t field_idx, const DexCompilationUnit* mUnit, |
| 1362 | bool is_put, MemberOffset* field_offset, |
| 1363 | bool* is_volatile) { |
| 1364 | ScopedObjectAccess soa(Thread::Current()); |
Mathieu Chartier | c785344 | 2015-03-27 14:35:38 -0700 | [diff] [blame] | 1365 | ArtField* resolved_field = ComputeInstanceFieldInfo(field_idx, mUnit, is_put, soa); |
Nicolas Geoffray | e503832 | 2014-07-04 09:41:32 +0100 | [diff] [blame] | 1366 | |
Mathieu Chartier | c785344 | 2015-03-27 14:35:38 -0700 | [diff] [blame] | 1367 | if (resolved_field == nullptr) { |
Vladimir Marko | be0e546 | 2014-02-26 11:24:15 +0000 | [diff] [blame] | 1368 | // Conservative defaults. |
| 1369 | *is_volatile = true; |
| 1370 | *field_offset = MemberOffset(static_cast<size_t>(-1)); |
Nicolas Geoffray | e503832 | 2014-07-04 09:41:32 +0100 | [diff] [blame] | 1371 | return false; |
| 1372 | } else { |
| 1373 | *is_volatile = resolved_field->IsVolatile(); |
| 1374 | *field_offset = resolved_field->GetOffset(); |
| 1375 | return true; |
Vladimir Marko | be0e546 | 2014-02-26 11:24:15 +0000 | [diff] [blame] | 1376 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1377 | } |
| 1378 | |
Vladimir Marko | 2730db0 | 2014-01-27 11:15:17 +0000 | [diff] [blame] | 1379 | const VerifiedMethod* CompilerDriver::GetVerifiedMethod(const DexFile* dex_file, |
| 1380 | uint32_t method_idx) const { |
| 1381 | MethodReference ref(dex_file, method_idx); |
| 1382 | return verification_results_->GetVerifiedMethod(ref); |
| 1383 | } |
| 1384 | |
| 1385 | bool CompilerDriver::IsSafeCast(const DexCompilationUnit* mUnit, uint32_t dex_pc) { |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 1386 | if (!compiler_options_->IsVerificationEnabled()) { |
| 1387 | // If we didn't verify, every cast has to be treated as non-safe. |
| 1388 | return false; |
| 1389 | } |
Vladimir Marko | 2730db0 | 2014-01-27 11:15:17 +0000 | [diff] [blame] | 1390 | DCHECK(mUnit->GetVerifiedMethod() != nullptr); |
| 1391 | bool result = mUnit->GetVerifiedMethod()->IsSafeCast(dex_pc); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1392 | if (result) { |
| 1393 | stats_->SafeCast(); |
| 1394 | } else { |
| 1395 | stats_->NotASafeCast(); |
| 1396 | } |
| 1397 | return result; |
| 1398 | } |
| 1399 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1400 | class CompilationVisitor { |
| 1401 | public: |
| 1402 | virtual ~CompilationVisitor() {} |
| 1403 | virtual void Visit(size_t index) = 0; |
| 1404 | }; |
| 1405 | |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1406 | class ParallelCompilationManager { |
| 1407 | public: |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1408 | ParallelCompilationManager(ClassLinker* class_linker, |
| 1409 | jobject class_loader, |
| 1410 | CompilerDriver* compiler, |
| 1411 | const DexFile* dex_file, |
Andreas Gampe | de7b436 | 2014-07-28 18:38:57 -0700 | [diff] [blame] | 1412 | const std::vector<const DexFile*>& dex_files, |
Ian Rogers | 3d50407 | 2014-03-01 09:16:49 -0800 | [diff] [blame] | 1413 | ThreadPool* thread_pool) |
Mathieu Chartier | 0b3eb39 | 2013-08-23 14:56:59 -0700 | [diff] [blame] | 1414 | : index_(0), |
| 1415 | class_linker_(class_linker), |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1416 | class_loader_(class_loader), |
| 1417 | compiler_(compiler), |
| 1418 | dex_file_(dex_file), |
Andreas Gampe | de7b436 | 2014-07-28 18:38:57 -0700 | [diff] [blame] | 1419 | dex_files_(dex_files), |
Ian Rogers | 3d50407 | 2014-03-01 09:16:49 -0800 | [diff] [blame] | 1420 | thread_pool_(thread_pool) {} |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1421 | |
| 1422 | ClassLinker* GetClassLinker() const { |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 1423 | CHECK(class_linker_ != nullptr); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1424 | return class_linker_; |
| 1425 | } |
| 1426 | |
| 1427 | jobject GetClassLoader() const { |
| 1428 | return class_loader_; |
| 1429 | } |
| 1430 | |
| 1431 | CompilerDriver* GetCompiler() const { |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 1432 | CHECK(compiler_ != nullptr); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1433 | return compiler_; |
| 1434 | } |
| 1435 | |
| 1436 | const DexFile* GetDexFile() const { |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 1437 | CHECK(dex_file_ != nullptr); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1438 | return dex_file_; |
| 1439 | } |
| 1440 | |
Andreas Gampe | de7b436 | 2014-07-28 18:38:57 -0700 | [diff] [blame] | 1441 | const std::vector<const DexFile*>& GetDexFiles() const { |
| 1442 | return dex_files_; |
| 1443 | } |
| 1444 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1445 | void ForAll(size_t begin, size_t end, CompilationVisitor* visitor, size_t work_units) |
| 1446 | REQUIRES(!*Locks::mutator_lock_) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1447 | Thread* self = Thread::Current(); |
| 1448 | self->AssertNoPendingException(); |
| 1449 | CHECK_GT(work_units, 0U); |
| 1450 | |
Ian Rogers | 3e5cf30 | 2014-05-20 16:40:37 -0700 | [diff] [blame] | 1451 | index_.StoreRelaxed(begin); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1452 | for (size_t i = 0; i < work_units; ++i) { |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1453 | thread_pool_->AddTask(self, new ForAllClosure(this, end, visitor)); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1454 | } |
| 1455 | thread_pool_->StartWorkers(self); |
| 1456 | |
| 1457 | // Ensure we're suspended while we're blocked waiting for the other threads to finish (worker |
| 1458 | // thread destructor's called below perform join). |
| 1459 | CHECK_NE(self->GetState(), kRunnable); |
| 1460 | |
| 1461 | // Wait for all the worker threads to finish. |
| 1462 | thread_pool_->Wait(self, true, false); |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 1463 | |
| 1464 | // And stop the workers accepting jobs. |
| 1465 | thread_pool_->StopWorkers(self); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1466 | } |
| 1467 | |
Mathieu Chartier | 0b3eb39 | 2013-08-23 14:56:59 -0700 | [diff] [blame] | 1468 | size_t NextIndex() { |
Ian Rogers | 3e5cf30 | 2014-05-20 16:40:37 -0700 | [diff] [blame] | 1469 | return index_.FetchAndAddSequentiallyConsistent(1); |
Mathieu Chartier | 0b3eb39 | 2013-08-23 14:56:59 -0700 | [diff] [blame] | 1470 | } |
| 1471 | |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1472 | private: |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1473 | class ForAllClosure : public Task { |
| 1474 | public: |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1475 | ForAllClosure(ParallelCompilationManager* manager, size_t end, CompilationVisitor* visitor) |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1476 | : manager_(manager), |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1477 | end_(end), |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1478 | visitor_(visitor) {} |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1479 | |
| 1480 | virtual void Run(Thread* self) { |
Mathieu Chartier | 0b3eb39 | 2013-08-23 14:56:59 -0700 | [diff] [blame] | 1481 | while (true) { |
| 1482 | const size_t index = manager_->NextIndex(); |
| 1483 | if (UNLIKELY(index >= end_)) { |
| 1484 | break; |
| 1485 | } |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1486 | visitor_->Visit(index); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1487 | self->AssertNoPendingException(); |
| 1488 | } |
| 1489 | } |
| 1490 | |
| 1491 | virtual void Finalize() { |
| 1492 | delete this; |
| 1493 | } |
Brian Carlstrom | 0cd7ec2 | 2013-07-17 23:40:20 -0700 | [diff] [blame] | 1494 | |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1495 | private: |
Mathieu Chartier | 0b3eb39 | 2013-08-23 14:56:59 -0700 | [diff] [blame] | 1496 | ParallelCompilationManager* const manager_; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1497 | const size_t end_; |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1498 | CompilationVisitor* const visitor_; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1499 | }; |
| 1500 | |
Mathieu Chartier | 0b3eb39 | 2013-08-23 14:56:59 -0700 | [diff] [blame] | 1501 | AtomicInteger index_; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1502 | ClassLinker* const class_linker_; |
| 1503 | const jobject class_loader_; |
| 1504 | CompilerDriver* const compiler_; |
| 1505 | const DexFile* const dex_file_; |
Andreas Gampe | de7b436 | 2014-07-28 18:38:57 -0700 | [diff] [blame] | 1506 | const std::vector<const DexFile*>& dex_files_; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1507 | ThreadPool* const thread_pool_; |
Mathieu Chartier | 0b3eb39 | 2013-08-23 14:56:59 -0700 | [diff] [blame] | 1508 | |
| 1509 | DISALLOW_COPY_AND_ASSIGN(ParallelCompilationManager); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1510 | }; |
| 1511 | |
Jeff Hao | 0e49b42 | 2013-11-08 12:16:56 -0800 | [diff] [blame] | 1512 | // A fast version of SkipClass above if the class pointer is available |
| 1513 | // that avoids the expensive FindInClassPath search. |
Vladimir Marko | 28e012a | 2017-12-07 11:22:59 +0000 | [diff] [blame] | 1514 | static bool SkipClass(jobject class_loader, const DexFile& dex_file, ObjPtr<mirror::Class> klass) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 1515 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 1516 | DCHECK(klass != nullptr); |
Jeff Hao | 0e49b42 | 2013-11-08 12:16:56 -0800 | [diff] [blame] | 1517 | const DexFile& original_dex_file = *klass->GetDexCache()->GetDexFile(); |
| 1518 | if (&dex_file != &original_dex_file) { |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 1519 | if (class_loader == nullptr) { |
David Sehr | 709b070 | 2016-10-13 09:12:37 -0700 | [diff] [blame] | 1520 | LOG(WARNING) << "Skipping class " << klass->PrettyDescriptor() << " from " |
Jeff Hao | 0e49b42 | 2013-11-08 12:16:56 -0800 | [diff] [blame] | 1521 | << dex_file.GetLocation() << " previously found in " |
| 1522 | << original_dex_file.GetLocation(); |
| 1523 | } |
| 1524 | return true; |
| 1525 | } |
| 1526 | return false; |
| 1527 | } |
| 1528 | |
Mathieu Chartier | 70b6348 | 2014-06-27 17:19:04 -0700 | [diff] [blame] | 1529 | static void CheckAndClearResolveException(Thread* self) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 1530 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Mathieu Chartier | 70b6348 | 2014-06-27 17:19:04 -0700 | [diff] [blame] | 1531 | CHECK(self->IsExceptionPending()); |
Nicolas Geoffray | 14691c5 | 2015-03-05 10:40:17 +0000 | [diff] [blame] | 1532 | mirror::Throwable* exception = self->GetException(); |
Ian Rogers | 1ff3c98 | 2014-08-12 02:30:58 -0700 | [diff] [blame] | 1533 | std::string temp; |
| 1534 | const char* descriptor = exception->GetClass()->GetDescriptor(&temp); |
| 1535 | const char* expected_exceptions[] = { |
| 1536 | "Ljava/lang/IllegalAccessError;", |
| 1537 | "Ljava/lang/IncompatibleClassChangeError;", |
| 1538 | "Ljava/lang/InstantiationError;", |
Brian Carlstrom | 898fcb5 | 2014-08-25 23:07:30 -0700 | [diff] [blame] | 1539 | "Ljava/lang/LinkageError;", |
Ian Rogers | 1ff3c98 | 2014-08-12 02:30:58 -0700 | [diff] [blame] | 1540 | "Ljava/lang/NoClassDefFoundError;", |
| 1541 | "Ljava/lang/NoSuchFieldError;", |
| 1542 | "Ljava/lang/NoSuchMethodError;" |
| 1543 | }; |
| 1544 | bool found = false; |
| 1545 | for (size_t i = 0; (found == false) && (i < arraysize(expected_exceptions)); ++i) { |
| 1546 | if (strcmp(descriptor, expected_exceptions[i]) == 0) { |
| 1547 | found = true; |
| 1548 | } |
| 1549 | } |
| 1550 | if (!found) { |
Brian Carlstrom | 898fcb5 | 2014-08-25 23:07:30 -0700 | [diff] [blame] | 1551 | LOG(FATAL) << "Unexpected exception " << exception->Dump(); |
Mathieu Chartier | 70b6348 | 2014-06-27 17:19:04 -0700 | [diff] [blame] | 1552 | } |
| 1553 | self->ClearException(); |
| 1554 | } |
| 1555 | |
Mathieu Chartier | b5d3861 | 2016-04-07 10:52:52 -0700 | [diff] [blame] | 1556 | bool CompilerDriver::RequiresConstructorBarrier(const DexFile& dex_file, |
| 1557 | uint16_t class_def_idx) const { |
| 1558 | const DexFile::ClassDef& class_def = dex_file.GetClassDef(class_def_idx); |
| 1559 | const uint8_t* class_data = dex_file.GetClassData(class_def); |
| 1560 | if (class_data == nullptr) { |
| 1561 | // Empty class such as a marker interface. |
| 1562 | return false; |
| 1563 | } |
| 1564 | ClassDataItemIterator it(dex_file, class_data); |
Mathieu Chartier | e17cf24 | 2017-06-19 11:05:51 -0700 | [diff] [blame] | 1565 | it.SkipStaticFields(); |
Mathieu Chartier | b5d3861 | 2016-04-07 10:52:52 -0700 | [diff] [blame] | 1566 | // We require a constructor barrier if there are final instance fields. |
| 1567 | while (it.HasNextInstanceField()) { |
| 1568 | if (it.MemberIsFinal()) { |
| 1569 | return true; |
| 1570 | } |
| 1571 | it.Next(); |
| 1572 | } |
| 1573 | return false; |
| 1574 | } |
| 1575 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1576 | class ResolveClassFieldsAndMethodsVisitor : public CompilationVisitor { |
| 1577 | public: |
| 1578 | explicit ResolveClassFieldsAndMethodsVisitor(const ParallelCompilationManager* manager) |
| 1579 | : manager_(manager) {} |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1580 | |
Mathieu Chartier | e0671ce | 2015-07-28 17:23:28 -0700 | [diff] [blame] | 1581 | void Visit(size_t class_def_index) OVERRIDE REQUIRES(!Locks::mutator_lock_) { |
Andreas Gampe | 9b827ab | 2017-12-07 19:32:48 -0800 | [diff] [blame] | 1582 | ScopedTrace trace(__FUNCTION__); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1583 | Thread* const self = Thread::Current(); |
| 1584 | jobject jclass_loader = manager_->GetClassLoader(); |
| 1585 | const DexFile& dex_file = *manager_->GetDexFile(); |
| 1586 | ClassLinker* class_linker = manager_->GetClassLinker(); |
Ian Rogers | e6bb3b2 | 2013-08-19 21:51:45 -0700 | [diff] [blame] | 1587 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1588 | // If an instance field is final then we need to have a barrier on the return, static final |
| 1589 | // fields are assigned within the lock held for class initialization. Conservatively assume |
| 1590 | // constructor barriers are always required. |
| 1591 | bool requires_constructor_barrier = true; |
| 1592 | |
| 1593 | // Method and Field are the worst. We can't resolve without either |
| 1594 | // context from the code use (to disambiguate virtual vs direct |
| 1595 | // method and instance vs static field) or from class |
| 1596 | // definitions. While the compiler will resolve what it can as it |
| 1597 | // needs it, here we try to resolve fields and methods used in class |
| 1598 | // definitions, since many of them many never be referenced by |
| 1599 | // generated code. |
| 1600 | const DexFile::ClassDef& class_def = dex_file.GetClassDef(class_def_index); |
| 1601 | ScopedObjectAccess soa(self); |
| 1602 | StackHandleScope<2> hs(soa.Self()); |
| 1603 | Handle<mirror::ClassLoader> class_loader( |
Mathieu Chartier | 0795f23 | 2016-09-27 18:43:30 -0700 | [diff] [blame] | 1604 | hs.NewHandle(soa.Decode<mirror::ClassLoader>(jclass_loader))); |
Mathieu Chartier | 673ed3d | 2015-08-28 14:56:43 -0700 | [diff] [blame] | 1605 | Handle<mirror::DexCache> dex_cache(hs.NewHandle(class_linker->FindDexCache( |
Vladimir Marko | cd556b0 | 2017-02-03 11:47:34 +0000 | [diff] [blame] | 1606 | soa.Self(), dex_file))); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1607 | // Resolve the class. |
Vladimir Marko | 28e012a | 2017-12-07 11:22:59 +0000 | [diff] [blame] | 1608 | ObjPtr<mirror::Class> klass = |
Vladimir Marko | 666ee3d | 2017-12-11 18:37:36 +0000 | [diff] [blame] | 1609 | class_linker->ResolveType(class_def.class_idx_, dex_cache, class_loader); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1610 | bool resolve_fields_and_methods; |
| 1611 | if (klass == nullptr) { |
| 1612 | // Class couldn't be resolved, for example, super-class is in a different dex file. Don't |
| 1613 | // attempt to resolve methods and fields when there is no declaring class. |
| 1614 | CheckAndClearResolveException(soa.Self()); |
| 1615 | resolve_fields_and_methods = false; |
| 1616 | } else { |
| 1617 | // We successfully resolved a class, should we skip it? |
| 1618 | if (SkipClass(jclass_loader, dex_file, klass)) { |
| 1619 | return; |
Ian Rogers | e6bb3b2 | 2013-08-19 21:51:45 -0700 | [diff] [blame] | 1620 | } |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1621 | // We want to resolve the methods and fields eagerly. |
| 1622 | resolve_fields_and_methods = true; |
Ian Rogers | 68b5685 | 2014-08-29 20:19:11 -0700 | [diff] [blame] | 1623 | } |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1624 | // Note the class_data pointer advances through the headers, |
| 1625 | // static fields, instance fields, direct methods, and virtual |
| 1626 | // methods. |
| 1627 | const uint8_t* class_data = dex_file.GetClassData(class_def); |
| 1628 | if (class_data == nullptr) { |
| 1629 | // Empty class such as a marker interface. |
| 1630 | requires_constructor_barrier = false; |
| 1631 | } else { |
| 1632 | ClassDataItemIterator it(dex_file, class_data); |
| 1633 | while (it.HasNextStaticField()) { |
| 1634 | if (resolve_fields_and_methods) { |
Vladimir Marko | e11dd50 | 2017-12-08 14:09:45 +0000 | [diff] [blame] | 1635 | ArtField* field = class_linker->ResolveField( |
| 1636 | it.GetMemberIndex(), dex_cache, class_loader, /* is_static */ true); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1637 | if (field == nullptr) { |
| 1638 | CheckAndClearResolveException(soa.Self()); |
| 1639 | } |
Ian Rogers | 68b5685 | 2014-08-29 20:19:11 -0700 | [diff] [blame] | 1640 | } |
| 1641 | it.Next(); |
| 1642 | } |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1643 | // We require a constructor barrier if there are final instance fields. |
| 1644 | requires_constructor_barrier = false; |
| 1645 | while (it.HasNextInstanceField()) { |
| 1646 | if (it.MemberIsFinal()) { |
| 1647 | requires_constructor_barrier = true; |
| 1648 | } |
| 1649 | if (resolve_fields_and_methods) { |
Vladimir Marko | e11dd50 | 2017-12-08 14:09:45 +0000 | [diff] [blame] | 1650 | ArtField* field = class_linker->ResolveField( |
| 1651 | it.GetMemberIndex(), dex_cache, class_loader, /* is_static */ false); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1652 | if (field == nullptr) { |
| 1653 | CheckAndClearResolveException(soa.Self()); |
| 1654 | } |
Ian Rogers | 68b5685 | 2014-08-29 20:19:11 -0700 | [diff] [blame] | 1655 | } |
| 1656 | it.Next(); |
| 1657 | } |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1658 | if (resolve_fields_and_methods) { |
Mathieu Chartier | b7c273c | 2017-11-10 18:07:56 -0800 | [diff] [blame] | 1659 | while (it.HasNextMethod()) { |
Vladimir Marko | ba11882 | 2017-06-12 15:41:56 +0100 | [diff] [blame] | 1660 | ArtMethod* method = class_linker->ResolveMethod<ClassLinker::ResolveMode::kNoChecks>( |
Vladimir Marko | 8901119 | 2017-12-11 13:45:05 +0000 | [diff] [blame] | 1661 | it.GetMemberIndex(), |
| 1662 | dex_cache, |
| 1663 | class_loader, |
| 1664 | /* referrer */ nullptr, |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1665 | it.GetMethodInvokeType(class_def)); |
| 1666 | if (method == nullptr) { |
| 1667 | CheckAndClearResolveException(soa.Self()); |
| 1668 | } |
| 1669 | it.Next(); |
| 1670 | } |
| 1671 | DCHECK(!it.HasNext()); |
| 1672 | } |
| 1673 | } |
Mathieu Chartier | c4ae916 | 2016-04-07 13:19:19 -0700 | [diff] [blame] | 1674 | manager_->GetCompiler()->SetRequiresConstructorBarrier(self, |
| 1675 | &dex_file, |
| 1676 | class_def_index, |
| 1677 | requires_constructor_barrier); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1678 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1679 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1680 | private: |
| 1681 | const ParallelCompilationManager* const manager_; |
| 1682 | }; |
| 1683 | |
| 1684 | class ResolveTypeVisitor : public CompilationVisitor { |
| 1685 | public: |
| 1686 | explicit ResolveTypeVisitor(const ParallelCompilationManager* manager) : manager_(manager) { |
| 1687 | } |
Andreas Gampe | a5b09a6 | 2016-11-17 15:21:22 -0800 | [diff] [blame] | 1688 | void Visit(size_t type_idx) OVERRIDE REQUIRES(!Locks::mutator_lock_) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1689 | // Class derived values are more complicated, they require the linker and loader. |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1690 | ScopedObjectAccess soa(Thread::Current()); |
| 1691 | ClassLinker* class_linker = manager_->GetClassLinker(); |
| 1692 | const DexFile& dex_file = *manager_->GetDexFile(); |
| 1693 | StackHandleScope<2> hs(soa.Self()); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1694 | Handle<mirror::ClassLoader> class_loader( |
Mathieu Chartier | 0795f23 | 2016-09-27 18:43:30 -0700 | [diff] [blame] | 1695 | hs.NewHandle(soa.Decode<mirror::ClassLoader>(manager_->GetClassLoader()))); |
Mathieu Chartier | d57d454 | 2015-10-14 10:55:30 -0700 | [diff] [blame] | 1696 | Handle<mirror::DexCache> dex_cache(hs.NewHandle(class_linker->RegisterDexFile( |
| 1697 | dex_file, |
Mathieu Chartier | f284d44 | 2016-06-02 11:48:30 -0700 | [diff] [blame] | 1698 | class_loader.Get()))); |
Andreas Gampe | fa4333d | 2017-02-14 11:10:34 -0800 | [diff] [blame] | 1699 | ObjPtr<mirror::Class> klass = (dex_cache != nullptr) |
Vladimir Marko | 666ee3d | 2017-12-11 18:37:36 +0000 | [diff] [blame] | 1700 | ? class_linker->ResolveType(dex::TypeIndex(type_idx), dex_cache, class_loader) |
Vladimir Marko | cd556b0 | 2017-02-03 11:47:34 +0000 | [diff] [blame] | 1701 | : nullptr; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1702 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1703 | if (klass == nullptr) { |
| 1704 | soa.Self()->AssertPendingException(); |
| 1705 | mirror::Throwable* exception = soa.Self()->GetException(); |
| 1706 | VLOG(compiler) << "Exception during type resolution: " << exception->Dump(); |
| 1707 | if (exception->GetClass()->DescriptorEquals("Ljava/lang/OutOfMemoryError;")) { |
| 1708 | // There's little point continuing compilation if the heap is exhausted. |
| 1709 | LOG(FATAL) << "Out of memory during type resolution for compilation"; |
| 1710 | } |
| 1711 | soa.Self()->ClearException(); |
Ian Rogers | a436fde | 2013-08-27 23:34:06 -0700 | [diff] [blame] | 1712 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1713 | } |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1714 | |
| 1715 | private: |
| 1716 | const ParallelCompilationManager* const manager_; |
| 1717 | }; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1718 | |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 1719 | void CompilerDriver::ResolveDexFile(jobject class_loader, |
| 1720 | const DexFile& dex_file, |
Andreas Gampe | de7b436 | 2014-07-28 18:38:57 -0700 | [diff] [blame] | 1721 | const std::vector<const DexFile*>& dex_files, |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 1722 | ThreadPool* thread_pool, |
| 1723 | size_t thread_count, |
| 1724 | TimingLogger* timings) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1725 | ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); |
| 1726 | |
| 1727 | // TODO: we could resolve strings here, although the string table is largely filled with class |
| 1728 | // and method names. |
| 1729 | |
Andreas Gampe | de7b436 | 2014-07-28 18:38:57 -0700 | [diff] [blame] | 1730 | ParallelCompilationManager context(class_linker, class_loader, this, &dex_file, dex_files, |
| 1731 | thread_pool); |
Vladimir Marko | aad75c6 | 2016-10-03 08:46:48 +0000 | [diff] [blame] | 1732 | if (GetCompilerOptions().IsBootImage()) { |
Ian Rogers | e6bb3b2 | 2013-08-19 21:51:45 -0700 | [diff] [blame] | 1733 | // For images we resolve all types, such as array, whereas for applications just those with |
| 1734 | // classdefs are resolved by ResolveClassFieldsAndMethods. |
Mathieu Chartier | f5997b4 | 2014-06-20 10:37:54 -0700 | [diff] [blame] | 1735 | TimingLogger::ScopedTiming t("Resolve Types", timings); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1736 | ResolveTypeVisitor visitor(&context); |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 1737 | context.ForAll(0, dex_file.NumTypeIds(), &visitor, thread_count); |
Ian Rogers | e6bb3b2 | 2013-08-19 21:51:45 -0700 | [diff] [blame] | 1738 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1739 | |
Mathieu Chartier | f5997b4 | 2014-06-20 10:37:54 -0700 | [diff] [blame] | 1740 | TimingLogger::ScopedTiming t("Resolve MethodsAndFields", timings); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1741 | ResolveClassFieldsAndMethodsVisitor visitor(&context); |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 1742 | context.ForAll(0, dex_file.NumClassDefs(), &visitor, thread_count); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1743 | } |
| 1744 | |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 1745 | void CompilerDriver::SetVerified(jobject class_loader, |
| 1746 | const std::vector<const DexFile*>& dex_files, |
| 1747 | TimingLogger* timings) { |
| 1748 | // This can be run in parallel. |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1749 | for (const DexFile* dex_file : dex_files) { |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 1750 | CHECK(dex_file != nullptr); |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 1751 | SetVerifiedDexFile(class_loader, |
| 1752 | *dex_file, |
| 1753 | dex_files, |
| 1754 | parallel_thread_pool_.get(), |
| 1755 | parallel_thread_count_, |
| 1756 | timings); |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 1757 | } |
| 1758 | } |
| 1759 | |
Nicolas Geoffray | 51c17fa | 2016-11-25 15:56:12 +0000 | [diff] [blame] | 1760 | static void PopulateVerifiedMethods(const DexFile& dex_file, |
| 1761 | uint32_t class_def_index, |
| 1762 | VerificationResults* verification_results) { |
| 1763 | const DexFile::ClassDef& class_def = dex_file.GetClassDef(class_def_index); |
| 1764 | const uint8_t* class_data = dex_file.GetClassData(class_def); |
| 1765 | if (class_data == nullptr) { |
| 1766 | return; |
| 1767 | } |
| 1768 | ClassDataItemIterator it(dex_file, class_data); |
Mathieu Chartier | e17cf24 | 2017-06-19 11:05:51 -0700 | [diff] [blame] | 1769 | it.SkipAllFields(); |
Nicolas Geoffray | 51c17fa | 2016-11-25 15:56:12 +0000 | [diff] [blame] | 1770 | |
Mathieu Chartier | b7c273c | 2017-11-10 18:07:56 -0800 | [diff] [blame] | 1771 | while (it.HasNextMethod()) { |
Nicolas Geoffray | 51c17fa | 2016-11-25 15:56:12 +0000 | [diff] [blame] | 1772 | verification_results->CreateVerifiedMethodFor(MethodReference(&dex_file, it.GetMemberIndex())); |
| 1773 | it.Next(); |
| 1774 | } |
| 1775 | DCHECK(!it.HasNext()); |
| 1776 | } |
| 1777 | |
Nicolas Geoffray | 0a27fd0 | 2017-01-25 16:18:54 +0000 | [diff] [blame] | 1778 | static void LoadAndUpdateStatus(const DexFile& dex_file, |
| 1779 | const DexFile::ClassDef& class_def, |
Vladimir Marko | 2c64a83 | 2018-01-04 11:31:56 +0000 | [diff] [blame] | 1780 | ClassStatus status, |
Nicolas Geoffray | 0a27fd0 | 2017-01-25 16:18:54 +0000 | [diff] [blame] | 1781 | Handle<mirror::ClassLoader> class_loader, |
| 1782 | Thread* self) |
| 1783 | REQUIRES_SHARED(Locks::mutator_lock_) { |
| 1784 | StackHandleScope<1> hs(self); |
| 1785 | const char* descriptor = dex_file.GetClassDescriptor(class_def); |
| 1786 | ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); |
| 1787 | Handle<mirror::Class> cls(hs.NewHandle<mirror::Class>( |
| 1788 | class_linker->FindClass(self, descriptor, class_loader))); |
Andreas Gampe | fa4333d | 2017-02-14 11:10:34 -0800 | [diff] [blame] | 1789 | if (cls != nullptr) { |
Nicolas Geoffray | 0a27fd0 | 2017-01-25 16:18:54 +0000 | [diff] [blame] | 1790 | // Check that the class is resolved with the current dex file. We might get |
| 1791 | // a boot image class, or a class in a different dex file for multidex, and |
| 1792 | // we should not update the status in that case. |
| 1793 | if (&cls->GetDexFile() == &dex_file) { |
| 1794 | ObjectLock<mirror::Class> lock(self, cls); |
| 1795 | mirror::Class::SetStatus(cls, status, self); |
| 1796 | } |
| 1797 | } else { |
| 1798 | DCHECK(self->IsExceptionPending()); |
| 1799 | self->ClearException(); |
| 1800 | } |
| 1801 | } |
| 1802 | |
Nicolas Geoffray | 7498105 | 2017-01-16 17:54:09 +0000 | [diff] [blame] | 1803 | bool CompilerDriver::FastVerify(jobject jclass_loader, |
| 1804 | const std::vector<const DexFile*>& dex_files, |
| 1805 | TimingLogger* timings) { |
Nicolas Geoffray | b0bbe8e | 2016-11-19 10:42:37 +0000 | [diff] [blame] | 1806 | verifier::VerifierDeps* verifier_deps = |
| 1807 | Runtime::Current()->GetCompilerCallbacks()->GetVerifierDeps(); |
Mathieu Chartier | 72041a0 | 2017-07-14 18:23:25 -0700 | [diff] [blame] | 1808 | // If there exist VerifierDeps that aren't the ones we just created to output, use them to verify. |
| 1809 | if (verifier_deps == nullptr || verifier_deps->OutputOnly()) { |
Nicolas Geoffray | 7498105 | 2017-01-16 17:54:09 +0000 | [diff] [blame] | 1810 | return false; |
| 1811 | } |
| 1812 | TimingLogger::ScopedTiming t("Fast Verify", timings); |
| 1813 | ScopedObjectAccess soa(Thread::Current()); |
| 1814 | StackHandleScope<2> hs(soa.Self()); |
| 1815 | Handle<mirror::ClassLoader> class_loader( |
| 1816 | hs.NewHandle(soa.Decode<mirror::ClassLoader>(jclass_loader))); |
Nicolas Geoffray | 7498105 | 2017-01-16 17:54:09 +0000 | [diff] [blame] | 1817 | if (!verifier_deps->ValidateDependencies(class_loader, soa.Self())) { |
| 1818 | return false; |
| 1819 | } |
| 1820 | |
Nicolas Geoffray | 49cda06 | 2017-04-21 13:08:25 +0100 | [diff] [blame] | 1821 | bool compiler_only_verifies = !GetCompilerOptions().IsAnyCompilationEnabled(); |
Nicolas Geoffray | 0a27fd0 | 2017-01-25 16:18:54 +0000 | [diff] [blame] | 1822 | |
Nicolas Geoffray | 7498105 | 2017-01-16 17:54:09 +0000 | [diff] [blame] | 1823 | // We successfully validated the dependencies, now update class status |
| 1824 | // of verified classes. Note that the dependencies also record which classes |
| 1825 | // could not be fully verified; we could try again, but that would hurt verification |
| 1826 | // time. So instead we assume these classes still need to be verified at |
| 1827 | // runtime. |
| 1828 | for (const DexFile* dex_file : dex_files) { |
Mathieu Chartier | bf755fe | 2017-08-01 13:42:56 -0700 | [diff] [blame] | 1829 | // Fetch the list of unverified classes. |
| 1830 | const std::set<dex::TypeIndex>& unverified_classes = |
Nicolas Geoffray | 7498105 | 2017-01-16 17:54:09 +0000 | [diff] [blame] | 1831 | verifier_deps->GetUnverifiedClasses(*dex_file); |
Nicolas Geoffray | 7498105 | 2017-01-16 17:54:09 +0000 | [diff] [blame] | 1832 | for (uint32_t i = 0; i < dex_file->NumClassDefs(); ++i) { |
| 1833 | const DexFile::ClassDef& class_def = dex_file->GetClassDef(i); |
Mathieu Chartier | bf755fe | 2017-08-01 13:42:56 -0700 | [diff] [blame] | 1834 | if (unverified_classes.find(class_def.class_idx_) == unverified_classes.end()) { |
Nicolas Geoffray | 0a27fd0 | 2017-01-25 16:18:54 +0000 | [diff] [blame] | 1835 | if (compiler_only_verifies) { |
Nicolas Geoffray | 7498105 | 2017-01-16 17:54:09 +0000 | [diff] [blame] | 1836 | // Just update the compiled_classes_ map. The compiler doesn't need to resolve |
| 1837 | // the type. |
Mathieu Chartier | fc8b422 | 2017-09-17 13:44:24 -0700 | [diff] [blame] | 1838 | ClassReference ref(dex_file, i); |
Vladimir Marko | 2c64a83 | 2018-01-04 11:31:56 +0000 | [diff] [blame] | 1839 | ClassStatus existing = ClassStatus::kNotReady; |
Mathieu Chartier | 1a088d4 | 2017-07-18 11:43:57 -0700 | [diff] [blame] | 1840 | DCHECK(compiled_classes_.Get(ref, &existing)) << ref.dex_file->GetLocation(); |
| 1841 | ClassStateTable::InsertResult result = |
Vladimir Marko | 2c64a83 | 2018-01-04 11:31:56 +0000 | [diff] [blame] | 1842 | compiled_classes_.Insert(ref, existing, ClassStatus::kVerified); |
Mathieu Chartier | 1a088d4 | 2017-07-18 11:43:57 -0700 | [diff] [blame] | 1843 | CHECK_EQ(result, ClassStateTable::kInsertResultSuccess); |
Nicolas Geoffray | 7498105 | 2017-01-16 17:54:09 +0000 | [diff] [blame] | 1844 | } else { |
Nicolas Geoffray | 0a27fd0 | 2017-01-25 16:18:54 +0000 | [diff] [blame] | 1845 | // Update the class status, so later compilation stages know they don't need to verify |
Nicolas Geoffray | 7498105 | 2017-01-16 17:54:09 +0000 | [diff] [blame] | 1846 | // the class. |
Nicolas Geoffray | 0a27fd0 | 2017-01-25 16:18:54 +0000 | [diff] [blame] | 1847 | LoadAndUpdateStatus( |
Vladimir Marko | 2c64a83 | 2018-01-04 11:31:56 +0000 | [diff] [blame] | 1848 | *dex_file, class_def, ClassStatus::kVerified, class_loader, soa.Self()); |
Nicolas Geoffray | 7498105 | 2017-01-16 17:54:09 +0000 | [diff] [blame] | 1849 | // Create `VerifiedMethod`s for each methods, the compiler expects one for |
| 1850 | // quickening or compiling. |
| 1851 | // Note that this means: |
| 1852 | // - We're only going to compile methods that did verify. |
| 1853 | // - Quickening will not do checkcast ellision. |
| 1854 | // TODO(ngeoffray): Reconsider this once we refactor compiler filters. |
| 1855 | PopulateVerifiedMethods(*dex_file, i, verification_results_); |
Nicolas Geoffray | 6bb7f1b | 2016-11-03 10:52:49 +0000 | [diff] [blame] | 1856 | } |
Nicolas Geoffray | 0a27fd0 | 2017-01-25 16:18:54 +0000 | [diff] [blame] | 1857 | } else if (!compiler_only_verifies) { |
| 1858 | // Make sure later compilation stages know they should not try to verify |
| 1859 | // this class again. |
| 1860 | LoadAndUpdateStatus(*dex_file, |
| 1861 | class_def, |
Vladimir Marko | 2c64a83 | 2018-01-04 11:31:56 +0000 | [diff] [blame] | 1862 | ClassStatus::kRetryVerificationAtRuntime, |
Nicolas Geoffray | 0a27fd0 | 2017-01-25 16:18:54 +0000 | [diff] [blame] | 1863 | class_loader, |
| 1864 | soa.Self()); |
Nicolas Geoffray | 6bb7f1b | 2016-11-03 10:52:49 +0000 | [diff] [blame] | 1865 | } |
Nicolas Geoffray | 6bb7f1b | 2016-11-03 10:52:49 +0000 | [diff] [blame] | 1866 | } |
| 1867 | } |
Nicolas Geoffray | 7498105 | 2017-01-16 17:54:09 +0000 | [diff] [blame] | 1868 | return true; |
| 1869 | } |
| 1870 | |
| 1871 | void CompilerDriver::Verify(jobject jclass_loader, |
| 1872 | const std::vector<const DexFile*>& dex_files, |
| 1873 | TimingLogger* timings) { |
| 1874 | if (FastVerify(jclass_loader, dex_files, timings)) { |
| 1875 | return; |
| 1876 | } |
Nicolas Geoffray | 6bb7f1b | 2016-11-03 10:52:49 +0000 | [diff] [blame] | 1877 | |
Nicolas Geoffray | b0bbe8e | 2016-11-19 10:42:37 +0000 | [diff] [blame] | 1878 | // If there is no existing `verifier_deps` (because of non-existing vdex), or |
| 1879 | // the existing `verifier_deps` is not valid anymore, create a new one for |
Nicolas Geoffray | 6bb7f1b | 2016-11-03 10:52:49 +0000 | [diff] [blame] | 1880 | // non boot image compilation. The verifier will need it to record the new dependencies. |
| 1881 | // Then dex2oat can update the vdex file with these new dependencies. |
| 1882 | if (!GetCompilerOptions().IsBootImage()) { |
Mathieu Chartier | 72041a0 | 2017-07-14 18:23:25 -0700 | [diff] [blame] | 1883 | // Dex2oat creates the verifier deps. |
Nicolas Geoffray | 340dafa | 2016-11-18 16:03:10 +0000 | [diff] [blame] | 1884 | // Create the main VerifierDeps, and set it to this thread. |
Mathieu Chartier | 72041a0 | 2017-07-14 18:23:25 -0700 | [diff] [blame] | 1885 | verifier::VerifierDeps* verifier_deps = |
| 1886 | Runtime::Current()->GetCompilerCallbacks()->GetVerifierDeps(); |
| 1887 | CHECK(verifier_deps != nullptr); |
Nicolas Geoffray | b0bbe8e | 2016-11-19 10:42:37 +0000 | [diff] [blame] | 1888 | Thread::Current()->SetVerifierDeps(verifier_deps); |
Nicolas Geoffray | 340dafa | 2016-11-18 16:03:10 +0000 | [diff] [blame] | 1889 | // Create per-thread VerifierDeps to avoid contention on the main one. |
| 1890 | // We will merge them after verification. |
| 1891 | for (ThreadPoolWorker* worker : parallel_thread_pool_->GetWorkers()) { |
Mathieu Chartier | 72041a0 | 2017-07-14 18:23:25 -0700 | [diff] [blame] | 1892 | worker->GetThread()->SetVerifierDeps(new verifier::VerifierDeps(dex_files_for_oat_file_)); |
Nicolas Geoffray | 340dafa | 2016-11-18 16:03:10 +0000 | [diff] [blame] | 1893 | } |
Nicolas Geoffray | 6bb7f1b | 2016-11-03 10:52:49 +0000 | [diff] [blame] | 1894 | } |
Nicolas Geoffray | 7498105 | 2017-01-16 17:54:09 +0000 | [diff] [blame] | 1895 | |
Nicolas Geoffray | 4684739 | 2017-04-28 14:56:39 +0100 | [diff] [blame] | 1896 | // Verification updates VerifierDeps and needs to run single-threaded to be deterministic. |
| 1897 | bool force_determinism = GetCompilerOptions().IsForceDeterminism(); |
| 1898 | ThreadPool* verify_thread_pool = |
| 1899 | force_determinism ? single_thread_pool_.get() : parallel_thread_pool_.get(); |
| 1900 | size_t verify_thread_count = force_determinism ? 1U : parallel_thread_count_; |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1901 | for (const DexFile* dex_file : dex_files) { |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 1902 | CHECK(dex_file != nullptr); |
Nicolas Geoffray | 6bb7f1b | 2016-11-03 10:52:49 +0000 | [diff] [blame] | 1903 | VerifyDexFile(jclass_loader, |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 1904 | *dex_file, |
| 1905 | dex_files, |
Nicolas Geoffray | 4684739 | 2017-04-28 14:56:39 +0100 | [diff] [blame] | 1906 | verify_thread_pool, |
| 1907 | verify_thread_count, |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 1908 | timings); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1909 | } |
Nicolas Geoffray | 340dafa | 2016-11-18 16:03:10 +0000 | [diff] [blame] | 1910 | |
| 1911 | if (!GetCompilerOptions().IsBootImage()) { |
Nicolas Geoffray | 340dafa | 2016-11-18 16:03:10 +0000 | [diff] [blame] | 1912 | // Merge all VerifierDeps into the main one. |
Nicolas Geoffray | 7498105 | 2017-01-16 17:54:09 +0000 | [diff] [blame] | 1913 | verifier::VerifierDeps* verifier_deps = Thread::Current()->GetVerifierDeps(); |
Nicolas Geoffray | 340dafa | 2016-11-18 16:03:10 +0000 | [diff] [blame] | 1914 | for (ThreadPoolWorker* worker : parallel_thread_pool_->GetWorkers()) { |
| 1915 | verifier::VerifierDeps* thread_deps = worker->GetThread()->GetVerifierDeps(); |
| 1916 | worker->GetThread()->SetVerifierDeps(nullptr); |
Mathieu Chartier | 72041a0 | 2017-07-14 18:23:25 -0700 | [diff] [blame] | 1917 | verifier_deps->MergeWith(*thread_deps, dex_files_for_oat_file_); |
Nicolas Geoffray | 340dafa | 2016-11-18 16:03:10 +0000 | [diff] [blame] | 1918 | delete thread_deps; |
| 1919 | } |
| 1920 | Thread::Current()->SetVerifierDeps(nullptr); |
| 1921 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1922 | } |
| 1923 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1924 | class VerifyClassVisitor : public CompilationVisitor { |
| 1925 | public: |
Andreas Gampe | 5fd66d0 | 2016-09-12 20:22:19 -0700 | [diff] [blame] | 1926 | VerifyClassVisitor(const ParallelCompilationManager* manager, verifier::HardFailLogMode log_level) |
Andreas Gampe | 7fe3023 | 2016-03-25 16:58:00 -0700 | [diff] [blame] | 1927 | : manager_(manager), log_level_(log_level) {} |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1928 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1929 | virtual void Visit(size_t class_def_index) REQUIRES(!Locks::mutator_lock_) OVERRIDE { |
Andreas Gampe | 9b827ab | 2017-12-07 19:32:48 -0800 | [diff] [blame] | 1930 | ScopedTrace trace(__FUNCTION__); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1931 | ScopedObjectAccess soa(Thread::Current()); |
| 1932 | const DexFile& dex_file = *manager_->GetDexFile(); |
| 1933 | const DexFile::ClassDef& class_def = dex_file.GetClassDef(class_def_index); |
| 1934 | const char* descriptor = dex_file.GetClassDescriptor(class_def); |
| 1935 | ClassLinker* class_linker = manager_->GetClassLinker(); |
| 1936 | jobject jclass_loader = manager_->GetClassLoader(); |
| 1937 | StackHandleScope<3> hs(soa.Self()); |
| 1938 | Handle<mirror::ClassLoader> class_loader( |
Mathieu Chartier | 0795f23 | 2016-09-27 18:43:30 -0700 | [diff] [blame] | 1939 | hs.NewHandle(soa.Decode<mirror::ClassLoader>(jclass_loader))); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1940 | Handle<mirror::Class> klass( |
| 1941 | hs.NewHandle(class_linker->FindClass(soa.Self(), descriptor, class_loader))); |
Andreas Gampe | 6d7abbd | 2017-04-24 13:19:09 -0700 | [diff] [blame] | 1942 | verifier::FailureKind failure_kind; |
Andreas Gampe | fa4333d | 2017-02-14 11:10:34 -0800 | [diff] [blame] | 1943 | if (klass == nullptr) { |
Ian Rogers | e6bb3b2 | 2013-08-19 21:51:45 -0700 | [diff] [blame] | 1944 | CHECK(soa.Self()->IsExceptionPending()); |
| 1945 | soa.Self()->ClearException(); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1946 | |
| 1947 | /* |
| 1948 | * At compile time, we can still structurally verify the class even if FindClass fails. |
| 1949 | * This is to ensure the class is structurally sound for compilation. An unsound class |
| 1950 | * will be rejected by the verifier and later skipped during compilation in the compiler. |
| 1951 | */ |
Mathieu Chartier | 673ed3d | 2015-08-28 14:56:43 -0700 | [diff] [blame] | 1952 | Handle<mirror::DexCache> dex_cache(hs.NewHandle(class_linker->FindDexCache( |
Vladimir Marko | cd556b0 | 2017-02-03 11:47:34 +0000 | [diff] [blame] | 1953 | soa.Self(), dex_file))); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1954 | std::string error_msg; |
Nicolas Geoffray | 0802518 | 2016-10-25 17:20:18 +0100 | [diff] [blame] | 1955 | failure_kind = |
| 1956 | verifier::MethodVerifier::VerifyClass(soa.Self(), |
Andreas Gampe | ec6e6c1 | 2015-11-05 20:39:56 -0800 | [diff] [blame] | 1957 | &dex_file, |
| 1958 | dex_cache, |
| 1959 | class_loader, |
David Brazdil | 15fc729 | 2016-09-02 14:13:18 +0100 | [diff] [blame] | 1960 | class_def, |
Andreas Gampe | 53e32d1 | 2015-12-09 21:03:23 -0800 | [diff] [blame] | 1961 | Runtime::Current()->GetCompilerCallbacks(), |
Andreas Gampe | ec6e6c1 | 2015-11-05 20:39:56 -0800 | [diff] [blame] | 1962 | true /* allow soft failures */, |
Andreas Gampe | 7fe3023 | 2016-03-25 16:58:00 -0700 | [diff] [blame] | 1963 | log_level_, |
Nicolas Geoffray | 0802518 | 2016-10-25 17:20:18 +0100 | [diff] [blame] | 1964 | &error_msg); |
Andreas Gampe | 6d7abbd | 2017-04-24 13:19:09 -0700 | [diff] [blame] | 1965 | if (failure_kind == verifier::FailureKind::kHardFailure) { |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1966 | LOG(ERROR) << "Verification failed on class " << PrettyDescriptor(descriptor) |
| 1967 | << " because: " << error_msg; |
| 1968 | manager_->GetCompiler()->SetHadHardVerifierFailure(); |
Andreas Gampe | f39208f | 2017-10-19 15:06:59 -0700 | [diff] [blame] | 1969 | } else if (failure_kind == verifier::FailureKind::kSoftFailure) { |
| 1970 | manager_->GetCompiler()->AddSoftVerifierFailure(); |
Nicolas Geoffray | 7cc3ae5 | 2017-03-07 14:33:37 +0000 | [diff] [blame] | 1971 | } else { |
| 1972 | // Force a soft failure for the VerifierDeps. This is a sanity measure, as |
| 1973 | // the vdex file already records that the class hasn't been resolved. It avoids |
| 1974 | // trying to do future verification optimizations when processing the vdex file. |
Andreas Gampe | f39208f | 2017-10-19 15:06:59 -0700 | [diff] [blame] | 1975 | DCHECK(failure_kind == verifier::FailureKind::kNoFailure) << failure_kind; |
Andreas Gampe | 6d7abbd | 2017-04-24 13:19:09 -0700 | [diff] [blame] | 1976 | failure_kind = verifier::FailureKind::kSoftFailure; |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1977 | } |
| 1978 | } else if (!SkipClass(jclass_loader, dex_file, klass.Get())) { |
David Sehr | 709b070 | 2016-10-13 09:12:37 -0700 | [diff] [blame] | 1979 | CHECK(klass->IsResolved()) << klass->PrettyClass(); |
Nicolas Geoffray | 0802518 | 2016-10-25 17:20:18 +0100 | [diff] [blame] | 1980 | failure_kind = class_linker->VerifyClass(soa.Self(), klass, log_level_); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1981 | |
| 1982 | if (klass->IsErroneous()) { |
| 1983 | // ClassLinker::VerifyClass throws, which isn't useful in the compiler. |
| 1984 | CHECK(soa.Self()->IsExceptionPending()); |
| 1985 | soa.Self()->ClearException(); |
| 1986 | manager_->GetCompiler()->SetHadHardVerifierFailure(); |
Andreas Gampe | f39208f | 2017-10-19 15:06:59 -0700 | [diff] [blame] | 1987 | } else if (failure_kind == verifier::FailureKind::kSoftFailure) { |
| 1988 | manager_->GetCompiler()->AddSoftVerifierFailure(); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1989 | } |
| 1990 | |
Nicolas Geoffray | 7cc3ae5 | 2017-03-07 14:33:37 +0000 | [diff] [blame] | 1991 | CHECK(klass->ShouldVerifyAtRuntime() || klass->IsVerified() || klass->IsErroneous()) |
David Sehr | 709b070 | 2016-10-13 09:12:37 -0700 | [diff] [blame] | 1992 | << klass->PrettyDescriptor() << ": state=" << klass->GetStatus(); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1993 | |
Nicolas Geoffray | c7da1d6 | 2017-04-19 09:36:24 +0100 | [diff] [blame] | 1994 | // Class has a meaningful status for the compiler now, record it. |
| 1995 | ClassReference ref(manager_->GetDexFile(), class_def_index); |
| 1996 | manager_->GetCompiler()->RecordClassStatus(ref, klass->GetStatus()); |
| 1997 | |
Andreas Gampe | d278cb4 | 2017-11-22 14:13:00 -0800 | [diff] [blame] | 1998 | // It is *very* problematic if there are resolution errors in the boot classpath. |
| 1999 | // |
| 2000 | // It is also bad if classes fail verification. For example, we rely on things working |
| 2001 | // OK without verification when the decryption dialog is brought up. It is thus highly |
| 2002 | // recommended to compile the boot classpath with |
| 2003 | // --abort-on-hard-verifier-error --abort-on-soft-verifier-error |
| 2004 | // which is the default build system configuration. |
Narayan Kamath | e3eae5e | 2016-10-27 11:47:30 +0100 | [diff] [blame] | 2005 | if (kIsDebugBuild) { |
Orion Hodson | c5e0d3f | 2017-08-22 19:00:04 +0100 | [diff] [blame] | 2006 | if (manager_->GetCompiler()->GetCompilerOptions().IsBootImage()) { |
Andreas Gampe | d278cb4 | 2017-11-22 14:13:00 -0800 | [diff] [blame] | 2007 | if (!klass->IsResolved() || klass->IsErroneous()) { |
Andreas Gampe | 12fadcd | 2017-08-03 05:06:28 -0700 | [diff] [blame] | 2008 | LOG(FATAL) << "Boot classpath class " << klass->PrettyClass() |
Andreas Gampe | d278cb4 | 2017-11-22 14:13:00 -0800 | [diff] [blame] | 2009 | << " failed to resolve/is erroneous: state= " << klass->GetStatus(); |
| 2010 | UNREACHABLE(); |
Andreas Gampe | 12fadcd | 2017-08-03 05:06:28 -0700 | [diff] [blame] | 2011 | } |
Narayan Kamath | e3eae5e | 2016-10-27 11:47:30 +0100 | [diff] [blame] | 2012 | } |
Nicolas Geoffray | 7cc3ae5 | 2017-03-07 14:33:37 +0000 | [diff] [blame] | 2013 | if (klass->IsVerified()) { |
Andreas Gampe | 6d7abbd | 2017-04-24 13:19:09 -0700 | [diff] [blame] | 2014 | DCHECK_EQ(failure_kind, verifier::FailureKind::kNoFailure); |
Nicolas Geoffray | 7cc3ae5 | 2017-03-07 14:33:37 +0000 | [diff] [blame] | 2015 | } else if (klass->ShouldVerifyAtRuntime()) { |
Andreas Gampe | 6d7abbd | 2017-04-24 13:19:09 -0700 | [diff] [blame] | 2016 | DCHECK_EQ(failure_kind, verifier::FailureKind::kSoftFailure); |
Nicolas Geoffray | 7cc3ae5 | 2017-03-07 14:33:37 +0000 | [diff] [blame] | 2017 | } else { |
Andreas Gampe | 6d7abbd | 2017-04-24 13:19:09 -0700 | [diff] [blame] | 2018 | DCHECK_EQ(failure_kind, verifier::FailureKind::kHardFailure); |
Nicolas Geoffray | 7cc3ae5 | 2017-03-07 14:33:37 +0000 | [diff] [blame] | 2019 | } |
Narayan Kamath | e3eae5e | 2016-10-27 11:47:30 +0100 | [diff] [blame] | 2020 | } |
Nicolas Geoffray | 0802518 | 2016-10-25 17:20:18 +0100 | [diff] [blame] | 2021 | } else { |
| 2022 | // Make the skip a soft failure, essentially being considered as verify at runtime. |
Andreas Gampe | 6d7abbd | 2017-04-24 13:19:09 -0700 | [diff] [blame] | 2023 | failure_kind = verifier::FailureKind::kSoftFailure; |
Ian Rogers | e6bb3b2 | 2013-08-19 21:51:45 -0700 | [diff] [blame] | 2024 | } |
Nicolas Geoffray | 0802518 | 2016-10-25 17:20:18 +0100 | [diff] [blame] | 2025 | verifier::VerifierDeps::MaybeRecordVerificationStatus( |
| 2026 | dex_file, class_def.class_idx_, failure_kind); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2027 | soa.Self()->AssertNoPendingException(); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2028 | } |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2029 | |
| 2030 | private: |
| 2031 | const ParallelCompilationManager* const manager_; |
Andreas Gampe | 5fd66d0 | 2016-09-12 20:22:19 -0700 | [diff] [blame] | 2032 | const verifier::HardFailLogMode log_level_; |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2033 | }; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2034 | |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 2035 | void CompilerDriver::VerifyDexFile(jobject class_loader, |
| 2036 | const DexFile& dex_file, |
Andreas Gampe | de7b436 | 2014-07-28 18:38:57 -0700 | [diff] [blame] | 2037 | const std::vector<const DexFile*>& dex_files, |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 2038 | ThreadPool* thread_pool, |
| 2039 | size_t thread_count, |
| 2040 | TimingLogger* timings) { |
Mathieu Chartier | f5997b4 | 2014-06-20 10:37:54 -0700 | [diff] [blame] | 2041 | TimingLogger::ScopedTiming t("Verify Dex File", timings); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2042 | ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); |
Andreas Gampe | de7b436 | 2014-07-28 18:38:57 -0700 | [diff] [blame] | 2043 | ParallelCompilationManager context(class_linker, class_loader, this, &dex_file, dex_files, |
| 2044 | thread_pool); |
Andreas Gampe | f39208f | 2017-10-19 15:06:59 -0700 | [diff] [blame] | 2045 | bool abort_on_verifier_failures = GetCompilerOptions().AbortOnHardVerifierFailure() |
| 2046 | || GetCompilerOptions().AbortOnSoftVerifierFailure(); |
| 2047 | verifier::HardFailLogMode log_level = abort_on_verifier_failures |
Andreas Gampe | 5fd66d0 | 2016-09-12 20:22:19 -0700 | [diff] [blame] | 2048 | ? verifier::HardFailLogMode::kLogInternalFatal |
| 2049 | : verifier::HardFailLogMode::kLogWarning; |
Andreas Gampe | 7fe3023 | 2016-03-25 16:58:00 -0700 | [diff] [blame] | 2050 | VerifyClassVisitor visitor(&context, log_level); |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 2051 | context.ForAll(0, dex_file.NumClassDefs(), &visitor, thread_count); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2052 | } |
| 2053 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2054 | class SetVerifiedClassVisitor : public CompilationVisitor { |
| 2055 | public: |
| 2056 | explicit SetVerifiedClassVisitor(const ParallelCompilationManager* manager) : manager_(manager) {} |
| 2057 | |
| 2058 | virtual void Visit(size_t class_def_index) REQUIRES(!Locks::mutator_lock_) OVERRIDE { |
Andreas Gampe | 9b827ab | 2017-12-07 19:32:48 -0800 | [diff] [blame] | 2059 | ScopedTrace trace(__FUNCTION__); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2060 | ScopedObjectAccess soa(Thread::Current()); |
| 2061 | const DexFile& dex_file = *manager_->GetDexFile(); |
| 2062 | const DexFile::ClassDef& class_def = dex_file.GetClassDef(class_def_index); |
| 2063 | const char* descriptor = dex_file.GetClassDescriptor(class_def); |
| 2064 | ClassLinker* class_linker = manager_->GetClassLinker(); |
| 2065 | jobject jclass_loader = manager_->GetClassLoader(); |
| 2066 | StackHandleScope<3> hs(soa.Self()); |
| 2067 | Handle<mirror::ClassLoader> class_loader( |
Mathieu Chartier | 0795f23 | 2016-09-27 18:43:30 -0700 | [diff] [blame] | 2068 | hs.NewHandle(soa.Decode<mirror::ClassLoader>(jclass_loader))); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2069 | Handle<mirror::Class> klass( |
| 2070 | hs.NewHandle(class_linker->FindClass(soa.Self(), descriptor, class_loader))); |
| 2071 | // Class might have failed resolution. Then don't set it to verified. |
Andreas Gampe | fa4333d | 2017-02-14 11:10:34 -0800 | [diff] [blame] | 2072 | if (klass != nullptr) { |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2073 | // Only do this if the class is resolved. If even resolution fails, quickening will go very, |
| 2074 | // very wrong. |
Vladimir Marko | 72ab684 | 2017-01-20 19:32:50 +0000 | [diff] [blame] | 2075 | if (klass->IsResolved() && !klass->IsErroneousResolved()) { |
Vladimir Marko | 2c64a83 | 2018-01-04 11:31:56 +0000 | [diff] [blame] | 2076 | if (klass->GetStatus() < ClassStatus::kVerified) { |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2077 | ObjectLock<mirror::Class> lock(soa.Self(), klass); |
| 2078 | // Set class status to verified. |
Vladimir Marko | 2c64a83 | 2018-01-04 11:31:56 +0000 | [diff] [blame] | 2079 | mirror::Class::SetStatus(klass, ClassStatus::kVerified, soa.Self()); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2080 | // Mark methods as pre-verified. If we don't do this, the interpreter will run with |
| 2081 | // access checks. |
Igor Murashkin | df707e4 | 2016-02-02 16:56:50 -0800 | [diff] [blame] | 2082 | klass->SetSkipAccessChecksFlagOnAllMethods( |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2083 | GetInstructionSetPointerSize(manager_->GetCompiler()->GetInstructionSet())); |
Igor Murashkin | df707e4 | 2016-02-02 16:56:50 -0800 | [diff] [blame] | 2084 | klass->SetVerificationAttempted(); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2085 | } |
| 2086 | // Record the final class status if necessary. |
| 2087 | ClassReference ref(manager_->GetDexFile(), class_def_index); |
| 2088 | manager_->GetCompiler()->RecordClassStatus(ref, klass->GetStatus()); |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 2089 | } |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2090 | } else { |
| 2091 | Thread* self = soa.Self(); |
| 2092 | DCHECK(self->IsExceptionPending()); |
| 2093 | self->ClearException(); |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 2094 | } |
| 2095 | } |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2096 | |
| 2097 | private: |
| 2098 | const ParallelCompilationManager* const manager_; |
| 2099 | }; |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 2100 | |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 2101 | void CompilerDriver::SetVerifiedDexFile(jobject class_loader, |
| 2102 | const DexFile& dex_file, |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 2103 | const std::vector<const DexFile*>& dex_files, |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 2104 | ThreadPool* thread_pool, |
| 2105 | size_t thread_count, |
| 2106 | TimingLogger* timings) { |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 2107 | TimingLogger::ScopedTiming t("Verify Dex File", timings); |
Mathieu Chartier | 1a088d4 | 2017-07-18 11:43:57 -0700 | [diff] [blame] | 2108 | if (!compiled_classes_.HaveDexFile(&dex_file)) { |
Mathieu Chartier | fc8b422 | 2017-09-17 13:44:24 -0700 | [diff] [blame] | 2109 | compiled_classes_.AddDexFile(&dex_file); |
Mathieu Chartier | 1a088d4 | 2017-07-18 11:43:57 -0700 | [diff] [blame] | 2110 | } |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 2111 | ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); |
| 2112 | ParallelCompilationManager context(class_linker, class_loader, this, &dex_file, dex_files, |
| 2113 | thread_pool); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2114 | SetVerifiedClassVisitor visitor(&context); |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 2115 | context.ForAll(0, dex_file.NumClassDefs(), &visitor, thread_count); |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 2116 | } |
| 2117 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2118 | class InitializeClassVisitor : public CompilationVisitor { |
| 2119 | public: |
| 2120 | explicit InitializeClassVisitor(const ParallelCompilationManager* manager) : manager_(manager) {} |
Ian Rogers | fc0e94b | 2013-09-23 23:51:32 -0700 | [diff] [blame] | 2121 | |
Mathieu Chartier | f1dd69a | 2017-06-08 23:30:15 +0000 | [diff] [blame] | 2122 | void Visit(size_t class_def_index) OVERRIDE { |
Andreas Gampe | 9b827ab | 2017-12-07 19:32:48 -0800 | [diff] [blame] | 2123 | ScopedTrace trace(__FUNCTION__); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2124 | jobject jclass_loader = manager_->GetClassLoader(); |
| 2125 | const DexFile& dex_file = *manager_->GetDexFile(); |
| 2126 | const DexFile::ClassDef& class_def = dex_file.GetClassDef(class_def_index); |
| 2127 | const DexFile::TypeId& class_type_id = dex_file.GetTypeId(class_def.class_idx_); |
| 2128 | const char* descriptor = dex_file.StringDataByIdx(class_type_id.descriptor_idx_); |
Jeff Hao | 0e49b42 | 2013-11-08 12:16:56 -0800 | [diff] [blame] | 2129 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2130 | ScopedObjectAccess soa(Thread::Current()); |
| 2131 | StackHandleScope<3> hs(soa.Self()); |
| 2132 | Handle<mirror::ClassLoader> class_loader( |
Mathieu Chartier | 0795f23 | 2016-09-27 18:43:30 -0700 | [diff] [blame] | 2133 | hs.NewHandle(soa.Decode<mirror::ClassLoader>(jclass_loader))); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2134 | Handle<mirror::Class> klass( |
| 2135 | hs.NewHandle(manager_->GetClassLinker()->FindClass(soa.Self(), descriptor, class_loader))); |
| 2136 | |
Mathieu Chartier | f1dd69a | 2017-06-08 23:30:15 +0000 | [diff] [blame] | 2137 | if (klass != nullptr && !SkipClass(manager_->GetClassLoader(), dex_file, klass.Get())) { |
| 2138 | TryInitializeClass(klass, class_loader); |
| 2139 | } |
| 2140 | // Clear any class not found or verification exceptions. |
| 2141 | soa.Self()->ClearException(); |
| 2142 | } |
| 2143 | |
| 2144 | // A helper function for initializing klass. |
| 2145 | void TryInitializeClass(Handle<mirror::Class> klass, Handle<mirror::ClassLoader>& class_loader) |
| 2146 | REQUIRES_SHARED(Locks::mutator_lock_) { |
| 2147 | const DexFile& dex_file = klass->GetDexFile(); |
| 2148 | const DexFile::ClassDef* class_def = klass->GetClassDef(); |
| 2149 | const DexFile::TypeId& class_type_id = dex_file.GetTypeId(class_def->class_idx_); |
| 2150 | const char* descriptor = dex_file.StringDataByIdx(class_type_id.descriptor_idx_); |
| 2151 | ScopedObjectAccessUnchecked soa(Thread::Current()); |
| 2152 | StackHandleScope<3> hs(soa.Self()); |
Mathieu Chartier | dabeb3a | 2017-06-12 17:10:07 -0700 | [diff] [blame] | 2153 | const bool is_boot_image = manager_->GetCompiler()->GetCompilerOptions().IsBootImage(); |
Mathieu Chartier | 17498e5 | 2017-06-13 11:35:04 -0700 | [diff] [blame] | 2154 | const bool is_app_image = manager_->GetCompiler()->GetCompilerOptions().IsAppImage(); |
Mathieu Chartier | f1dd69a | 2017-06-08 23:30:15 +0000 | [diff] [blame] | 2155 | |
Vladimir Marko | 2c64a83 | 2018-01-04 11:31:56 +0000 | [diff] [blame] | 2156 | ClassStatus old_status = klass->GetStatus(); |
Mathieu Chartier | 1a088d4 | 2017-07-18 11:43:57 -0700 | [diff] [blame] | 2157 | // Don't initialize classes in boot space when compiling app image |
| 2158 | if (is_app_image && klass->IsBootStrapClassLoaded()) { |
| 2159 | // Also return early and don't store the class status in the recorded class status. |
| 2160 | return; |
| 2161 | } |
Mathieu Chartier | f1dd69a | 2017-06-08 23:30:15 +0000 | [diff] [blame] | 2162 | // Only try to initialize classes that were successfully verified. |
| 2163 | if (klass->IsVerified()) { |
| 2164 | // Attempt to initialize the class but bail if we either need to initialize the super-class |
| 2165 | // or static fields. |
Nicolas Geoffray | abadf02 | 2017-08-03 08:25:41 +0000 | [diff] [blame] | 2166 | manager_->GetClassLinker()->EnsureInitialized(soa.Self(), klass, false, false); |
Mathieu Chartier | f1dd69a | 2017-06-08 23:30:15 +0000 | [diff] [blame] | 2167 | old_status = klass->GetStatus(); |
| 2168 | if (!klass->IsInitialized()) { |
| 2169 | // We don't want non-trivial class initialization occurring on multiple threads due to |
| 2170 | // deadlock problems. For example, a parent class is initialized (holding its lock) that |
| 2171 | // refers to a sub-class in its static/class initializer causing it to try to acquire the |
| 2172 | // sub-class' lock. While on a second thread the sub-class is initialized (holding its lock) |
| 2173 | // after first initializing its parents, whose locks are acquired. This leads to a |
| 2174 | // parent-to-child and a child-to-parent lock ordering and consequent potential deadlock. |
| 2175 | // We need to use an ObjectLock due to potential suspension in the interpreting code. Rather |
| 2176 | // than use a special Object for the purpose we use the Class of java.lang.Class. |
| 2177 | Handle<mirror::Class> h_klass(hs.NewHandle(klass->GetClass())); |
| 2178 | ObjectLock<mirror::Class> lock(soa.Self(), h_klass); |
| 2179 | // Attempt to initialize allowing initialization of parent classes but still not static |
| 2180 | // fields. |
Chang Xing | e602b1c | 2017-06-30 11:55:01 -0700 | [diff] [blame] | 2181 | // Initialize dependencies first only for app image, to make TryInitialize recursive. |
| 2182 | bool is_superclass_initialized = !is_app_image ? true : |
| 2183 | InitializeDependencies(klass, class_loader, soa.Self()); |
| 2184 | if (!is_app_image || (is_app_image && is_superclass_initialized)) { |
Nicolas Geoffray | abadf02 | 2017-08-03 08:25:41 +0000 | [diff] [blame] | 2185 | manager_->GetClassLinker()->EnsureInitialized(soa.Self(), klass, false, true); |
Chang Xing | e602b1c | 2017-06-30 11:55:01 -0700 | [diff] [blame] | 2186 | } |
| 2187 | // Otherwise it's in app image but superclasses can't be initialized, no need to proceed. |
Mathieu Chartier | f1dd69a | 2017-06-08 23:30:15 +0000 | [diff] [blame] | 2188 | old_status = klass->GetStatus(); |
Chang Xing | 70f689d | 2017-06-08 17:16:12 -0700 | [diff] [blame] | 2189 | |
| 2190 | bool too_many_encoded_fields = false; |
| 2191 | if (!is_boot_image && klass->NumStaticFields() > kMaxEncodedFields) { |
| 2192 | too_many_encoded_fields = true; |
| 2193 | } |
Mathieu Chartier | dabeb3a | 2017-06-12 17:10:07 -0700 | [diff] [blame] | 2194 | // If the class was not initialized, we can proceed to see if we can initialize static |
Chang Xing | 70f689d | 2017-06-08 17:16:12 -0700 | [diff] [blame] | 2195 | // fields. Limit the max number of encoded fields. |
Mathieu Chartier | f1dd69a | 2017-06-08 23:30:15 +0000 | [diff] [blame] | 2196 | if (!klass->IsInitialized() && |
Mathieu Chartier | 17498e5 | 2017-06-13 11:35:04 -0700 | [diff] [blame] | 2197 | (is_app_image || is_boot_image) && |
Chang Xing | e602b1c | 2017-06-30 11:55:01 -0700 | [diff] [blame] | 2198 | is_superclass_initialized && |
Chang Xing | 70f689d | 2017-06-08 17:16:12 -0700 | [diff] [blame] | 2199 | !too_many_encoded_fields && |
Mathieu Chartier | f1dd69a | 2017-06-08 23:30:15 +0000 | [diff] [blame] | 2200 | manager_->GetCompiler()->IsImageClass(descriptor)) { |
| 2201 | bool can_init_static_fields = false; |
Mathieu Chartier | dabeb3a | 2017-06-12 17:10:07 -0700 | [diff] [blame] | 2202 | if (is_boot_image) { |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2203 | // We need to initialize static fields, we only do this for image classes that aren't |
Mathieu Chartier | dabeb3a | 2017-06-12 17:10:07 -0700 | [diff] [blame] | 2204 | // marked with the $NoPreloadHolder (which implies this should not be initialized |
| 2205 | // early). |
Mathieu Chartier | f1dd69a | 2017-06-08 23:30:15 +0000 | [diff] [blame] | 2206 | can_init_static_fields = !StringPiece(descriptor).ends_with("$NoPreloadHolder;"); |
| 2207 | } else { |
Mathieu Chartier | 17498e5 | 2017-06-13 11:35:04 -0700 | [diff] [blame] | 2208 | CHECK(is_app_image); |
Mathieu Chartier | dabeb3a | 2017-06-12 17:10:07 -0700 | [diff] [blame] | 2209 | // The boot image case doesn't need to recursively initialize the dependencies with |
| 2210 | // special logic since the class linker already does this. |
Mathieu Chartier | dabeb3a | 2017-06-12 17:10:07 -0700 | [diff] [blame] | 2211 | can_init_static_fields = |
Mathieu Chartier | f1dd69a | 2017-06-08 23:30:15 +0000 | [diff] [blame] | 2212 | !soa.Self()->IsExceptionPending() && |
Nicolas Geoffray | abadf02 | 2017-08-03 08:25:41 +0000 | [diff] [blame] | 2213 | is_superclass_initialized && |
| 2214 | NoClinitInDependency(klass, soa.Self(), &class_loader); |
Mathieu Chartier | f1dd69a | 2017-06-08 23:30:15 +0000 | [diff] [blame] | 2215 | // TODO The checking for clinit can be removed since it's already |
| 2216 | // checked when init superclass. Currently keep it because it contains |
| 2217 | // processing of intern strings. Will be removed later when intern strings |
| 2218 | // and clinit are both initialized. |
| 2219 | } |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 2220 | |
Mathieu Chartier | f1dd69a | 2017-06-08 23:30:15 +0000 | [diff] [blame] | 2221 | if (can_init_static_fields) { |
| 2222 | VLOG(compiler) << "Initializing: " << descriptor; |
| 2223 | // TODO multithreading support. We should ensure the current compilation thread has |
| 2224 | // exclusive access to the runtime and the transaction. To achieve this, we could use |
| 2225 | // a ReaderWriterMutex but we're holding the mutator lock so we fail mutex sanity |
| 2226 | // checks in Thread::AssertThreadSuspensionIsAllowable. |
| 2227 | Runtime* const runtime = Runtime::Current(); |
Mathieu Chartier | f1dd69a | 2017-06-08 23:30:15 +0000 | [diff] [blame] | 2228 | // Run the class initializer in transaction mode. |
Chang Xing | 5a906fc | 2017-07-26 15:01:16 -0700 | [diff] [blame] | 2229 | runtime->EnterTransactionMode(is_app_image, klass.Get()); |
Mathieu Chartier | f1dd69a | 2017-06-08 23:30:15 +0000 | [diff] [blame] | 2230 | bool success = manager_->GetClassLinker()->EnsureInitialized(soa.Self(), klass, true, |
| 2231 | true); |
| 2232 | // TODO we detach transaction from runtime to indicate we quit the transactional |
| 2233 | // mode which prevents the GC from visiting objects modified during the transaction. |
| 2234 | // Ensure GC is not run so don't access freed objects when aborting transaction. |
Andreas Gampe | 9e7078b | 2017-03-02 13:50:36 -0800 | [diff] [blame] | 2235 | |
Mathieu Chartier | f1dd69a | 2017-06-08 23:30:15 +0000 | [diff] [blame] | 2236 | { |
| 2237 | ScopedAssertNoThreadSuspension ants("Transaction end"); |
Chang Xing | 16d1dd8 | 2017-07-20 17:56:26 -0700 | [diff] [blame] | 2238 | |
| 2239 | if (success) { |
| 2240 | runtime->ExitTransactionMode(); |
| 2241 | DCHECK(!runtime->IsActiveTransaction()); |
| 2242 | } |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 2243 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2244 | if (!success) { |
Mathieu Chartier | f1dd69a | 2017-06-08 23:30:15 +0000 | [diff] [blame] | 2245 | CHECK(soa.Self()->IsExceptionPending()); |
| 2246 | mirror::Throwable* exception = soa.Self()->GetException(); |
| 2247 | VLOG(compiler) << "Initialization of " << descriptor << " aborted because of " |
| 2248 | << exception->Dump(); |
| 2249 | std::ostream* file_log = manager_->GetCompiler()-> |
| 2250 | GetCompilerOptions().GetInitFailureOutput(); |
| 2251 | if (file_log != nullptr) { |
| 2252 | *file_log << descriptor << "\n"; |
| 2253 | *file_log << exception->Dump() << "\n"; |
| 2254 | } |
| 2255 | soa.Self()->ClearException(); |
Chang Xing | 605fe24 | 2017-07-20 15:57:21 -0700 | [diff] [blame] | 2256 | runtime->RollbackAllTransactions(); |
Mathieu Chartier | f1dd69a | 2017-06-08 23:30:15 +0000 | [diff] [blame] | 2257 | CHECK_EQ(old_status, klass->GetStatus()) << "Previous class status not restored"; |
Mathieu Chartier | dabeb3a | 2017-06-12 17:10:07 -0700 | [diff] [blame] | 2258 | } else if (is_boot_image) { |
| 2259 | // For boot image, we want to put the updated status in the oat class since we can't |
| 2260 | // reject the image anyways. |
| 2261 | old_status = klass->GetStatus(); |
Mathieu Chartier | f1dd69a | 2017-06-08 23:30:15 +0000 | [diff] [blame] | 2262 | } |
| 2263 | } |
| 2264 | |
Nicolas Geoffray | abadf02 | 2017-08-03 08:25:41 +0000 | [diff] [blame] | 2265 | if (!success) { |
Mathieu Chartier | f1dd69a | 2017-06-08 23:30:15 +0000 | [diff] [blame] | 2266 | // On failure, still intern strings of static fields and seen in <clinit>, as these |
| 2267 | // will be created in the zygote. This is separated from the transaction code just |
| 2268 | // above as we will allocate strings, so must be allowed to suspend. |
| 2269 | if (&klass->GetDexFile() == manager_->GetDexFile()) { |
Andreas Gampe | 9e7078b | 2017-03-02 13:50:36 -0800 | [diff] [blame] | 2270 | InternStrings(klass, class_loader); |
Mathieu Chartier | dabeb3a | 2017-06-12 17:10:07 -0700 | [diff] [blame] | 2271 | } else { |
| 2272 | DCHECK(!is_boot_image) << "Boot image must have equal dex files"; |
Andreas Gampe | dbfe254 | 2014-11-25 22:21:42 -0800 | [diff] [blame] | 2273 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2274 | } |
| 2275 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2276 | } |
Jeff Hao | 0cb1728 | 2017-07-12 14:51:49 -0700 | [diff] [blame] | 2277 | // If the class still isn't initialized, at least try some checks that initialization |
| 2278 | // would do so they can be skipped at runtime. |
| 2279 | if (!klass->IsInitialized() && |
| 2280 | manager_->GetClassLinker()->ValidateSuperClassDescriptors(klass)) { |
Vladimir Marko | 2c64a83 | 2018-01-04 11:31:56 +0000 | [diff] [blame] | 2281 | old_status = ClassStatus::kSuperclassValidated; |
Jeff Hao | 0cb1728 | 2017-07-12 14:51:49 -0700 | [diff] [blame] | 2282 | } else { |
| 2283 | soa.Self()->ClearException(); |
| 2284 | } |
Mathieu Chartier | f1dd69a | 2017-06-08 23:30:15 +0000 | [diff] [blame] | 2285 | soa.Self()->AssertNoPendingException(); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2286 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2287 | } |
Mathieu Chartier | f1dd69a | 2017-06-08 23:30:15 +0000 | [diff] [blame] | 2288 | // Record the final class status if necessary. |
| 2289 | ClassReference ref(&dex_file, klass->GetDexClassDefIndex()); |
| 2290 | // Back up the status before doing initialization for static encoded fields, |
| 2291 | // because the static encoded branch wants to keep the status to uninitialized. |
| 2292 | manager_->GetCompiler()->RecordClassStatus(ref, old_status); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2293 | } |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2294 | |
| 2295 | private: |
Andreas Gampe | 9e7078b | 2017-03-02 13:50:36 -0800 | [diff] [blame] | 2296 | void InternStrings(Handle<mirror::Class> klass, Handle<mirror::ClassLoader> class_loader) |
| 2297 | REQUIRES_SHARED(Locks::mutator_lock_) { |
| 2298 | DCHECK(manager_->GetCompiler()->GetCompilerOptions().IsBootImage()); |
| 2299 | DCHECK(klass->IsVerified()); |
| 2300 | DCHECK(!klass->IsInitialized()); |
| 2301 | |
| 2302 | StackHandleScope<1> hs(Thread::Current()); |
Vladimir Marko | e11dd50 | 2017-12-08 14:09:45 +0000 | [diff] [blame] | 2303 | Handle<mirror::DexCache> dex_cache = hs.NewHandle(klass->GetDexCache()); |
Andreas Gampe | 9e7078b | 2017-03-02 13:50:36 -0800 | [diff] [blame] | 2304 | const DexFile::ClassDef* class_def = klass->GetClassDef(); |
| 2305 | ClassLinker* class_linker = manager_->GetClassLinker(); |
| 2306 | |
Andreas Gampe | 7bf9048 | 2017-03-02 16:41:35 -0800 | [diff] [blame] | 2307 | // Check encoded final field values for strings and intern. |
Vladimir Marko | e11dd50 | 2017-12-08 14:09:45 +0000 | [diff] [blame] | 2308 | annotations::RuntimeEncodedStaticFieldValueIterator value_it(dex_cache, |
| 2309 | class_loader, |
Andreas Gampe | 9e7078b | 2017-03-02 13:50:36 -0800 | [diff] [blame] | 2310 | manager_->GetClassLinker(), |
| 2311 | *class_def); |
| 2312 | for ( ; value_it.HasNext(); value_it.Next()) { |
| 2313 | if (value_it.GetValueType() == annotations::RuntimeEncodedStaticFieldValueIterator::kString) { |
| 2314 | // Resolve the string. This will intern the string. |
| 2315 | art::ObjPtr<mirror::String> resolved = class_linker->ResolveString( |
Vladimir Marko | a64b52d | 2017-12-08 16:27:49 +0000 | [diff] [blame] | 2316 | dex::StringIndex(value_it.GetJavaValue().i), dex_cache); |
Andreas Gampe | 9e7078b | 2017-03-02 13:50:36 -0800 | [diff] [blame] | 2317 | CHECK(resolved != nullptr); |
| 2318 | } |
| 2319 | } |
Andreas Gampe | 7bf9048 | 2017-03-02 16:41:35 -0800 | [diff] [blame] | 2320 | |
| 2321 | // Intern strings seen in <clinit>. |
| 2322 | ArtMethod* clinit = klass->FindClassInitializer(class_linker->GetImagePointerSize()); |
| 2323 | if (clinit != nullptr) { |
Mathieu Chartier | 73f21d4 | 2018-01-02 14:26:50 -0800 | [diff] [blame] | 2324 | for (const DexInstructionPcPair& inst : clinit->DexInstructions()) { |
Mathieu Chartier | 2b2bef2 | 2017-10-26 17:10:19 -0700 | [diff] [blame] | 2325 | if (inst->Opcode() == Instruction::CONST_STRING) { |
Andreas Gampe | 7bf9048 | 2017-03-02 16:41:35 -0800 | [diff] [blame] | 2326 | ObjPtr<mirror::String> s = class_linker->ResolveString( |
Vladimir Marko | a64b52d | 2017-12-08 16:27:49 +0000 | [diff] [blame] | 2327 | dex::StringIndex(inst->VRegB_21c()), dex_cache); |
Andreas Gampe | 7bf9048 | 2017-03-02 16:41:35 -0800 | [diff] [blame] | 2328 | CHECK(s != nullptr); |
Mathieu Chartier | 2b2bef2 | 2017-10-26 17:10:19 -0700 | [diff] [blame] | 2329 | } else if (inst->Opcode() == Instruction::CONST_STRING_JUMBO) { |
Andreas Gampe | 7bf9048 | 2017-03-02 16:41:35 -0800 | [diff] [blame] | 2330 | ObjPtr<mirror::String> s = class_linker->ResolveString( |
Vladimir Marko | a64b52d | 2017-12-08 16:27:49 +0000 | [diff] [blame] | 2331 | dex::StringIndex(inst->VRegB_31c()), dex_cache); |
Andreas Gampe | 7bf9048 | 2017-03-02 16:41:35 -0800 | [diff] [blame] | 2332 | CHECK(s != nullptr); |
| 2333 | } |
Andreas Gampe | 7bf9048 | 2017-03-02 16:41:35 -0800 | [diff] [blame] | 2334 | } |
| 2335 | } |
Andreas Gampe | 9e7078b | 2017-03-02 13:50:36 -0800 | [diff] [blame] | 2336 | } |
| 2337 | |
Mathieu Chartier | f1dd69a | 2017-06-08 23:30:15 +0000 | [diff] [blame] | 2338 | bool ResolveTypesOfMethods(Thread* self, ArtMethod* m) |
| 2339 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Vladimir Marko | b45528c | 2017-07-27 14:14:28 +0100 | [diff] [blame] | 2340 | // Return value of ResolveReturnType() is discarded because resolve will be done internally. |
| 2341 | ObjPtr<mirror::Class> rtn_type = m->ResolveReturnType(); |
Mathieu Chartier | 7a8bcfd | 2017-06-13 13:40:43 -0700 | [diff] [blame] | 2342 | if (rtn_type == nullptr) { |
| 2343 | self->ClearException(); |
| 2344 | return false; |
| 2345 | } |
| 2346 | const DexFile::TypeList* types = m->GetParameterTypeList(); |
| 2347 | if (types != nullptr) { |
| 2348 | for (uint32_t i = 0; i < types->Size(); ++i) { |
| 2349 | dex::TypeIndex param_type_idx = types->GetTypeItem(i).type_idx_; |
Vladimir Marko | b45528c | 2017-07-27 14:14:28 +0100 | [diff] [blame] | 2350 | ObjPtr<mirror::Class> param_type = m->ResolveClassFromTypeIndex(param_type_idx); |
Mathieu Chartier | 7a8bcfd | 2017-06-13 13:40:43 -0700 | [diff] [blame] | 2351 | if (param_type == nullptr) { |
| 2352 | self->ClearException(); |
| 2353 | return false; |
Mathieu Chartier | f1dd69a | 2017-06-08 23:30:15 +0000 | [diff] [blame] | 2354 | } |
| 2355 | } |
Mathieu Chartier | 7a8bcfd | 2017-06-13 13:40:43 -0700 | [diff] [blame] | 2356 | } |
| 2357 | return true; |
Mathieu Chartier | f1dd69a | 2017-06-08 23:30:15 +0000 | [diff] [blame] | 2358 | } |
| 2359 | |
| 2360 | // Pre resolve types mentioned in all method signatures before start a transaction |
| 2361 | // since ResolveType doesn't work in transaction mode. |
| 2362 | bool PreResolveTypes(Thread* self, const Handle<mirror::Class>& klass) |
| 2363 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Mathieu Chartier | 7a8bcfd | 2017-06-13 13:40:43 -0700 | [diff] [blame] | 2364 | PointerSize pointer_size = manager_->GetClassLinker()->GetImagePointerSize(); |
| 2365 | for (ArtMethod& m : klass->GetMethods(pointer_size)) { |
| 2366 | if (!ResolveTypesOfMethods(self, &m)) { |
| 2367 | return false; |
| 2368 | } |
| 2369 | } |
| 2370 | if (klass->IsInterface()) { |
| 2371 | return true; |
| 2372 | } else if (klass->HasSuperClass()) { |
| 2373 | StackHandleScope<1> hs(self); |
| 2374 | MutableHandle<mirror::Class> super_klass(hs.NewHandle<mirror::Class>(klass->GetSuperClass())); |
| 2375 | for (int i = super_klass->GetVTableLength() - 1; i >= 0; --i) { |
| 2376 | ArtMethod* m = klass->GetVTableEntry(i, pointer_size); |
| 2377 | ArtMethod* super_m = super_klass->GetVTableEntry(i, pointer_size); |
| 2378 | if (!ResolveTypesOfMethods(self, m) || !ResolveTypesOfMethods(self, super_m)) { |
Mathieu Chartier | f1dd69a | 2017-06-08 23:30:15 +0000 | [diff] [blame] | 2379 | return false; |
| 2380 | } |
| 2381 | } |
Mathieu Chartier | 7a8bcfd | 2017-06-13 13:40:43 -0700 | [diff] [blame] | 2382 | for (int32_t i = 0; i < klass->GetIfTableCount(); ++i) { |
| 2383 | super_klass.Assign(klass->GetIfTable()->GetInterface(i)); |
| 2384 | if (klass->GetClassLoader() != super_klass->GetClassLoader()) { |
| 2385 | uint32_t num_methods = super_klass->NumVirtualMethods(); |
| 2386 | for (uint32_t j = 0; j < num_methods; ++j) { |
| 2387 | ArtMethod* m = klass->GetIfTable()->GetMethodArray(i)->GetElementPtrSize<ArtMethod*>( |
| 2388 | j, pointer_size); |
| 2389 | ArtMethod* super_m = super_klass->GetVirtualMethod(j, pointer_size); |
| 2390 | if (!ResolveTypesOfMethods(self, m) || !ResolveTypesOfMethods(self, super_m)) { |
| 2391 | return false; |
Mathieu Chartier | f1dd69a | 2017-06-08 23:30:15 +0000 | [diff] [blame] | 2392 | } |
| 2393 | } |
| 2394 | } |
| 2395 | } |
Mathieu Chartier | 7a8bcfd | 2017-06-13 13:40:43 -0700 | [diff] [blame] | 2396 | } |
| 2397 | return true; |
Mathieu Chartier | f1dd69a | 2017-06-08 23:30:15 +0000 | [diff] [blame] | 2398 | } |
| 2399 | |
| 2400 | // Initialize the klass's dependencies recursively before initializing itself. |
| 2401 | // Checking for interfaces is also necessary since interfaces can contain |
| 2402 | // both default methods and static encoded fields. |
| 2403 | bool InitializeDependencies(const Handle<mirror::Class>& klass, |
| 2404 | Handle<mirror::ClassLoader> class_loader, |
| 2405 | Thread* self) |
| 2406 | REQUIRES_SHARED(Locks::mutator_lock_) { |
| 2407 | if (klass->HasSuperClass()) { |
| 2408 | ObjPtr<mirror::Class> super_class = klass->GetSuperClass(); |
| 2409 | StackHandleScope<1> hs(self); |
| 2410 | Handle<mirror::Class> handle_scope_super(hs.NewHandle(super_class)); |
| 2411 | if (!handle_scope_super->IsInitialized()) { |
| 2412 | this->TryInitializeClass(handle_scope_super, class_loader); |
| 2413 | if (!handle_scope_super->IsInitialized()) { |
| 2414 | return false; |
| 2415 | } |
| 2416 | } |
| 2417 | } |
| 2418 | |
| 2419 | uint32_t num_if = klass->NumDirectInterfaces(); |
| 2420 | for (size_t i = 0; i < num_if; i++) { |
| 2421 | ObjPtr<mirror::Class> |
| 2422 | interface = mirror::Class::GetDirectInterface(self, klass.Get(), i); |
| 2423 | StackHandleScope<1> hs(self); |
| 2424 | Handle<mirror::Class> handle_interface(hs.NewHandle(interface)); |
| 2425 | |
| 2426 | TryInitializeClass(handle_interface, class_loader); |
| 2427 | |
| 2428 | if (!handle_interface->IsInitialized()) { |
| 2429 | return false; |
| 2430 | } |
| 2431 | } |
| 2432 | |
| 2433 | return PreResolveTypes(self, klass); |
| 2434 | } |
| 2435 | |
| 2436 | // In this phase the classes containing class initializers are ignored. Make sure no |
| 2437 | // clinit appears in kalss's super class chain and interfaces. |
| 2438 | bool NoClinitInDependency(const Handle<mirror::Class>& klass, |
| 2439 | Thread* self, |
| 2440 | Handle<mirror::ClassLoader>* class_loader) |
| 2441 | REQUIRES_SHARED(Locks::mutator_lock_) { |
| 2442 | ArtMethod* clinit = |
| 2443 | klass->FindClassInitializer(manager_->GetClassLinker()->GetImagePointerSize()); |
| 2444 | if (clinit != nullptr) { |
| 2445 | VLOG(compiler) << klass->PrettyClass() << ' ' << clinit->PrettyMethod(true); |
| 2446 | return false; |
| 2447 | } |
| 2448 | if (klass->HasSuperClass()) { |
| 2449 | ObjPtr<mirror::Class> super_class = klass->GetSuperClass(); |
| 2450 | StackHandleScope<1> hs(self); |
| 2451 | Handle<mirror::Class> handle_scope_super(hs.NewHandle(super_class)); |
| 2452 | if (!NoClinitInDependency(handle_scope_super, self, class_loader)) { |
| 2453 | return false; |
| 2454 | } |
| 2455 | } |
| 2456 | |
| 2457 | uint32_t num_if = klass->NumDirectInterfaces(); |
| 2458 | for (size_t i = 0; i < num_if; i++) { |
| 2459 | ObjPtr<mirror::Class> |
| 2460 | interface = mirror::Class::GetDirectInterface(self, klass.Get(), i); |
| 2461 | StackHandleScope<1> hs(self); |
| 2462 | Handle<mirror::Class> handle_interface(hs.NewHandle(interface)); |
| 2463 | if (!NoClinitInDependency(handle_interface, self, class_loader)) { |
| 2464 | return false; |
| 2465 | } |
| 2466 | } |
| 2467 | |
Chang Xing | ba17dbd | 2017-06-28 21:27:56 +0000 | [diff] [blame] | 2468 | return true; |
Mathieu Chartier | f1dd69a | 2017-06-08 23:30:15 +0000 | [diff] [blame] | 2469 | } |
| 2470 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2471 | const ParallelCompilationManager* const manager_; |
| 2472 | }; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2473 | |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 2474 | void CompilerDriver::InitializeClasses(jobject jni_class_loader, |
| 2475 | const DexFile& dex_file, |
Andreas Gampe | de7b436 | 2014-07-28 18:38:57 -0700 | [diff] [blame] | 2476 | const std::vector<const DexFile*>& dex_files, |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 2477 | TimingLogger* timings) { |
Mathieu Chartier | f5997b4 | 2014-06-20 10:37:54 -0700 | [diff] [blame] | 2478 | TimingLogger::ScopedTiming t("InitializeNoClinit", timings); |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 2479 | |
| 2480 | // Initialization allocates objects and needs to run single-threaded to be deterministic. |
| 2481 | bool force_determinism = GetCompilerOptions().IsForceDeterminism(); |
| 2482 | ThreadPool* init_thread_pool = force_determinism |
| 2483 | ? single_thread_pool_.get() |
| 2484 | : parallel_thread_pool_.get(); |
| 2485 | size_t init_thread_count = force_determinism ? 1U : parallel_thread_count_; |
| 2486 | |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2487 | ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); |
Andreas Gampe | de7b436 | 2014-07-28 18:38:57 -0700 | [diff] [blame] | 2488 | ParallelCompilationManager context(class_linker, jni_class_loader, this, &dex_file, dex_files, |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 2489 | init_thread_pool); |
Mathieu Chartier | f1dd69a | 2017-06-08 23:30:15 +0000 | [diff] [blame] | 2490 | |
| 2491 | if (GetCompilerOptions().IsBootImage() || GetCompilerOptions().IsAppImage()) { |
| 2492 | // Set the concurrency thread to 1 to support initialization for App Images since transaction |
| 2493 | // doesn't support multithreading now. |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 2494 | // TODO: remove this when transactional mode supports multithreading. |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 2495 | init_thread_count = 1U; |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 2496 | } |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2497 | InitializeClassVisitor visitor(&context); |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 2498 | context.ForAll(0, dex_file.NumClassDefs(), &visitor, init_thread_count); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2499 | } |
| 2500 | |
Mathieu Chartier | 91288d8 | 2016-04-28 09:44:54 -0700 | [diff] [blame] | 2501 | class InitializeArrayClassesAndCreateConflictTablesVisitor : public ClassVisitor { |
Mathieu Chartier | 085a072 | 2016-04-01 17:33:31 -0700 | [diff] [blame] | 2502 | public: |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 2503 | explicit InitializeArrayClassesAndCreateConflictTablesVisitor(VariableSizedHandleScope& hs) |
| 2504 | : hs_(hs) {} |
| 2505 | |
| 2506 | virtual bool operator()(ObjPtr<mirror::Class> klass) OVERRIDE |
| 2507 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Mathieu Chartier | 91288d8 | 2016-04-28 09:44:54 -0700 | [diff] [blame] | 2508 | if (Runtime::Current()->GetHeap()->ObjectIsInBootImageSpace(klass)) { |
| 2509 | return true; |
| 2510 | } |
Mathieu Chartier | 085a072 | 2016-04-01 17:33:31 -0700 | [diff] [blame] | 2511 | if (klass->IsArrayClass()) { |
| 2512 | StackHandleScope<1> hs(Thread::Current()); |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 2513 | auto h_klass = hs.NewHandleWrapper(&klass); |
| 2514 | Runtime::Current()->GetClassLinker()->EnsureInitialized(hs.Self(), h_klass, true, true); |
Mathieu Chartier | 085a072 | 2016-04-01 17:33:31 -0700 | [diff] [blame] | 2515 | } |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 2516 | // Collect handles since there may be thread suspension in future EnsureInitialized. |
| 2517 | to_visit_.push_back(hs_.NewHandle(klass)); |
Nicolas Geoffray | 88f288e | 2016-06-29 08:17:52 +0000 | [diff] [blame] | 2518 | return true; |
Nelli Kim | badee98 | 2016-05-13 13:08:53 +0300 | [diff] [blame] | 2519 | } |
Artem Udovichenko | a62cb9b | 2016-06-30 09:18:25 +0000 | [diff] [blame] | 2520 | |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 2521 | void FillAllIMTAndConflictTables() REQUIRES_SHARED(Locks::mutator_lock_) { |
| 2522 | for (Handle<mirror::Class> c : to_visit_) { |
| 2523 | // Create the conflict tables. |
| 2524 | FillIMTAndConflictTables(c.Get()); |
| 2525 | } |
| 2526 | } |
| 2527 | |
Artem Udovichenko | a62cb9b | 2016-06-30 09:18:25 +0000 | [diff] [blame] | 2528 | private: |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 2529 | void FillIMTAndConflictTables(ObjPtr<mirror::Class> klass) |
| 2530 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Artem Udovichenko | a62cb9b | 2016-06-30 09:18:25 +0000 | [diff] [blame] | 2531 | if (!klass->ShouldHaveImt()) { |
| 2532 | return; |
| 2533 | } |
| 2534 | if (visited_classes_.find(klass) != visited_classes_.end()) { |
| 2535 | return; |
| 2536 | } |
| 2537 | if (klass->HasSuperClass()) { |
| 2538 | FillIMTAndConflictTables(klass->GetSuperClass()); |
| 2539 | } |
| 2540 | if (!klass->IsTemp()) { |
| 2541 | Runtime::Current()->GetClassLinker()->FillIMTAndConflictTables(klass); |
| 2542 | } |
| 2543 | visited_classes_.insert(klass); |
| 2544 | } |
| 2545 | |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 2546 | VariableSizedHandleScope& hs_; |
| 2547 | std::vector<Handle<mirror::Class>> to_visit_; |
| 2548 | std::unordered_set<ObjPtr<mirror::Class>, HashObjPtr> visited_classes_; |
Mathieu Chartier | 085a072 | 2016-04-01 17:33:31 -0700 | [diff] [blame] | 2549 | }; |
| 2550 | |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2551 | void CompilerDriver::InitializeClasses(jobject class_loader, |
| 2552 | const std::vector<const DexFile*>& dex_files, |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 2553 | TimingLogger* timings) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2554 | for (size_t i = 0; i != dex_files.size(); ++i) { |
| 2555 | const DexFile* dex_file = dex_files[i]; |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 2556 | CHECK(dex_file != nullptr); |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 2557 | InitializeClasses(class_loader, *dex_file, dex_files, timings); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2558 | } |
Vladimir Marko | aad75c6 | 2016-10-03 08:46:48 +0000 | [diff] [blame] | 2559 | if (GetCompilerOptions().IsBootImage() || GetCompilerOptions().IsAppImage()) { |
Mathieu Chartier | 085a072 | 2016-04-01 17:33:31 -0700 | [diff] [blame] | 2560 | // Make sure that we call EnsureIntiailized on all the array classes to call |
| 2561 | // SetVerificationAttempted so that the access flags are set. If we do not do this they get |
| 2562 | // changed at runtime resulting in more dirty image pages. |
Mathieu Chartier | 91288d8 | 2016-04-28 09:44:54 -0700 | [diff] [blame] | 2563 | // Also create conflict tables. |
| 2564 | // 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] | 2565 | ScopedObjectAccess soa(Thread::Current()); |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 2566 | VariableSizedHandleScope hs(soa.Self()); |
| 2567 | InitializeArrayClassesAndCreateConflictTablesVisitor visitor(hs); |
Mathieu Chartier | 91288d8 | 2016-04-28 09:44:54 -0700 | [diff] [blame] | 2568 | Runtime::Current()->GetClassLinker()->VisitClassesWithoutClassesLock(&visitor); |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 2569 | visitor.FillAllIMTAndConflictTables(); |
Mathieu Chartier | 085a072 | 2016-04-01 17:33:31 -0700 | [diff] [blame] | 2570 | } |
Vladimir Marko | aad75c6 | 2016-10-03 08:46:48 +0000 | [diff] [blame] | 2571 | if (GetCompilerOptions().IsBootImage()) { |
Mathieu Chartier | 093ef21 | 2014-08-11 13:52:12 -0700 | [diff] [blame] | 2572 | // Prune garbage objects created during aborted transactions. |
| 2573 | Runtime::Current()->GetHeap()->CollectGarbage(true); |
| 2574 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2575 | } |
| 2576 | |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 2577 | void CompilerDriver::Compile(jobject class_loader, |
| 2578 | const std::vector<const DexFile*>& dex_files, |
| 2579 | TimingLogger* timings) { |
Calin Juravle | 998c216 | 2015-12-21 15:39:33 +0200 | [diff] [blame] | 2580 | if (kDebugProfileGuidedCompilation) { |
| 2581 | LOG(INFO) << "[ProfileGuidedCompilation] " << |
| 2582 | ((profile_compilation_info_ == nullptr) |
| 2583 | ? "null" |
| 2584 | : profile_compilation_info_->DumpInfo(&dex_files)); |
Calin Juravle | 226501b | 2015-12-11 14:41:31 +0000 | [diff] [blame] | 2585 | } |
Vladimir Marko | 492a7fa | 2016-06-01 18:38:43 +0100 | [diff] [blame] | 2586 | |
Mathieu Chartier | a79efdb | 2018-01-18 16:31:01 -0800 | [diff] [blame] | 2587 | dex_to_dex_compiler_.ClearState(); |
| 2588 | compiling_dex_to_dex_ = false; |
Vladimir Marko | 492a7fa | 2016-06-01 18:38:43 +0100 | [diff] [blame] | 2589 | for (const DexFile* dex_file : dex_files) { |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 2590 | CHECK(dex_file != nullptr); |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 2591 | CompileDexFile(class_loader, |
| 2592 | *dex_file, |
| 2593 | dex_files, |
| 2594 | parallel_thread_pool_.get(), |
| 2595 | parallel_thread_count_, |
| 2596 | timings); |
Calin Juravle | 6915898 | 2016-03-16 11:53:41 +0000 | [diff] [blame] | 2597 | const ArenaPool* const arena_pool = Runtime::Current()->GetArenaPool(); |
| 2598 | const size_t arena_alloc = arena_pool->GetBytesAllocated(); |
| 2599 | max_arena_alloc_ = std::max(arena_alloc, max_arena_alloc_); |
Jean-Philippe Halimi | ca76a1a | 2016-02-02 19:48:52 +0100 | [diff] [blame] | 2600 | Runtime::Current()->ReclaimArenaPoolMemory(); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2601 | } |
Vladimir Marko | 492a7fa | 2016-06-01 18:38:43 +0100 | [diff] [blame] | 2602 | |
Mathieu Chartier | a79efdb | 2018-01-18 16:31:01 -0800 | [diff] [blame] | 2603 | if (dex_to_dex_compiler_.NumUniqueCodeItems(Thread::Current()) > 0u) { |
| 2604 | compiling_dex_to_dex_ = true; |
| 2605 | // TODO: Not visit all of the dex files, its probably rare that only one would have quickened |
| 2606 | // methods though. |
| 2607 | for (const DexFile* dex_file : dex_files) { |
| 2608 | CompileDexFile(class_loader, |
| 2609 | *dex_file, |
| 2610 | dex_files, |
| 2611 | parallel_thread_pool_.get(), |
| 2612 | parallel_thread_count_, |
| 2613 | timings); |
| 2614 | } |
| 2615 | dex_to_dex_compiler_.ClearState(); |
| 2616 | compiling_dex_to_dex_ = false; |
Vladimir Marko | 492a7fa | 2016-06-01 18:38:43 +0100 | [diff] [blame] | 2617 | } |
Vladimir Marko | 492a7fa | 2016-06-01 18:38:43 +0100 | [diff] [blame] | 2618 | |
Andreas Gampe | 8d295f8 | 2015-01-20 14:50:21 -0800 | [diff] [blame] | 2619 | VLOG(compiler) << "Compile: " << GetMemoryUsageString(false); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2620 | } |
| 2621 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2622 | class CompileClassVisitor : public CompilationVisitor { |
| 2623 | public: |
| 2624 | explicit CompileClassVisitor(const ParallelCompilationManager* manager) : manager_(manager) {} |
| 2625 | |
| 2626 | virtual void Visit(size_t class_def_index) REQUIRES(!Locks::mutator_lock_) OVERRIDE { |
Andreas Gampe | 9b827ab | 2017-12-07 19:32:48 -0800 | [diff] [blame] | 2627 | ScopedTrace trace(__FUNCTION__); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2628 | const DexFile& dex_file = *manager_->GetDexFile(); |
| 2629 | const DexFile::ClassDef& class_def = dex_file.GetClassDef(class_def_index); |
| 2630 | ClassLinker* class_linker = manager_->GetClassLinker(); |
| 2631 | jobject jclass_loader = manager_->GetClassLoader(); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2632 | ClassReference ref(&dex_file, class_def_index); |
| 2633 | // Skip compiling classes with generic verifier failures since they will still fail at runtime |
| 2634 | if (manager_->GetCompiler()->verification_results_->IsClassRejected(ref)) { |
Ian Rogers | 1ff3c98 | 2014-08-12 02:30:58 -0700 | [diff] [blame] | 2635 | return; |
| 2636 | } |
Mathieu Chartier | 736b560 | 2015-09-02 14:54:11 -0700 | [diff] [blame] | 2637 | // Use a scoped object access to perform to the quick SkipClass check. |
| 2638 | const char* descriptor = dex_file.GetClassDescriptor(class_def); |
| 2639 | ScopedObjectAccess soa(Thread::Current()); |
| 2640 | StackHandleScope<3> hs(soa.Self()); |
| 2641 | Handle<mirror::ClassLoader> class_loader( |
Mathieu Chartier | 0795f23 | 2016-09-27 18:43:30 -0700 | [diff] [blame] | 2642 | hs.NewHandle(soa.Decode<mirror::ClassLoader>(jclass_loader))); |
Mathieu Chartier | 736b560 | 2015-09-02 14:54:11 -0700 | [diff] [blame] | 2643 | Handle<mirror::Class> klass( |
| 2644 | hs.NewHandle(class_linker->FindClass(soa.Self(), descriptor, class_loader))); |
| 2645 | Handle<mirror::DexCache> dex_cache; |
Andreas Gampe | fa4333d | 2017-02-14 11:10:34 -0800 | [diff] [blame] | 2646 | if (klass == nullptr) { |
Mathieu Chartier | 736b560 | 2015-09-02 14:54:11 -0700 | [diff] [blame] | 2647 | soa.Self()->AssertPendingException(); |
| 2648 | soa.Self()->ClearException(); |
| 2649 | dex_cache = hs.NewHandle(class_linker->FindDexCache(soa.Self(), dex_file)); |
| 2650 | } else if (SkipClass(jclass_loader, dex_file, klass.Get())) { |
| 2651 | return; |
| 2652 | } else { |
| 2653 | dex_cache = hs.NewHandle(klass->GetDexCache()); |
| 2654 | } |
| 2655 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2656 | const uint8_t* class_data = dex_file.GetClassData(class_def); |
| 2657 | if (class_data == nullptr) { |
| 2658 | // empty class, probably a marker interface |
| 2659 | return; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2660 | } |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2661 | |
Mathieu Chartier | 736b560 | 2015-09-02 14:54:11 -0700 | [diff] [blame] | 2662 | // Go to native so that we don't block GC during compilation. |
Mathieu Chartier | f1d666e | 2015-09-03 16:13:34 -0700 | [diff] [blame] | 2663 | ScopedThreadSuspension sts(soa.Self(), kNative); |
Mathieu Chartier | 736b560 | 2015-09-02 14:54:11 -0700 | [diff] [blame] | 2664 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2665 | CompilerDriver* const driver = manager_->GetCompiler(); |
| 2666 | |
| 2667 | // Can we run DEX-to-DEX compiler on this class ? |
Mathieu Chartier | a79efdb | 2018-01-18 16:31:01 -0800 | [diff] [blame] | 2668 | optimizer::DexToDexCompiler::CompilationLevel dex_to_dex_compilation_level = |
Mathieu Chartier | 736b560 | 2015-09-02 14:54:11 -0700 | [diff] [blame] | 2669 | GetDexToDexCompilationLevel(soa.Self(), *driver, jclass_loader, dex_file, class_def); |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 2670 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2671 | ClassDataItemIterator it(dex_file, class_data); |
Mathieu Chartier | e17cf24 | 2017-06-19 11:05:51 -0700 | [diff] [blame] | 2672 | it.SkipAllFields(); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2673 | |
| 2674 | bool compilation_enabled = driver->IsClassToCompile( |
| 2675 | dex_file.StringByTypeIdx(class_def.class_idx_)); |
| 2676 | |
Mathieu Chartier | b7c273c | 2017-11-10 18:07:56 -0800 | [diff] [blame] | 2677 | // Compile direct and virtual methods. |
| 2678 | int64_t previous_method_idx = -1; |
| 2679 | while (it.HasNextMethod()) { |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2680 | uint32_t method_idx = it.GetMemberIndex(); |
Mathieu Chartier | b7c273c | 2017-11-10 18:07:56 -0800 | [diff] [blame] | 2681 | if (method_idx == previous_method_idx) { |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2682 | // smali can create dex files with two encoded_methods sharing the same method_idx |
| 2683 | // http://code.google.com/p/smali/issues/detail?id=119 |
| 2684 | it.Next(); |
| 2685 | continue; |
| 2686 | } |
Mathieu Chartier | b7c273c | 2017-11-10 18:07:56 -0800 | [diff] [blame] | 2687 | previous_method_idx = method_idx; |
Vladimir Marko | 8d6768d | 2017-03-14 10:13:21 +0000 | [diff] [blame] | 2688 | CompileMethod(soa.Self(), |
| 2689 | driver, |
| 2690 | it.GetMethodCodeItem(), |
| 2691 | it.GetMethodAccessFlags(), |
| 2692 | it.GetMethodInvokeType(class_def), |
| 2693 | class_def_index, |
| 2694 | method_idx, |
| 2695 | class_loader, |
| 2696 | dex_file, |
| 2697 | dex_to_dex_compilation_level, |
| 2698 | compilation_enabled, |
| 2699 | dex_cache); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2700 | it.Next(); |
| 2701 | } |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2702 | DCHECK(!it.HasNext()); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2703 | } |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2704 | |
| 2705 | private: |
| 2706 | const ParallelCompilationManager* const manager_; |
| 2707 | }; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2708 | |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 2709 | void CompilerDriver::CompileDexFile(jobject class_loader, |
| 2710 | const DexFile& dex_file, |
Andreas Gampe | de7b436 | 2014-07-28 18:38:57 -0700 | [diff] [blame] | 2711 | const std::vector<const DexFile*>& dex_files, |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 2712 | ThreadPool* thread_pool, |
| 2713 | size_t thread_count, |
| 2714 | TimingLogger* timings) { |
Mathieu Chartier | f5997b4 | 2014-06-20 10:37:54 -0700 | [diff] [blame] | 2715 | TimingLogger::ScopedTiming t("Compile Dex File", timings); |
Ian Rogers | be7149f | 2013-08-20 09:29:39 -0700 | [diff] [blame] | 2716 | ParallelCompilationManager context(Runtime::Current()->GetClassLinker(), class_loader, this, |
Andreas Gampe | de7b436 | 2014-07-28 18:38:57 -0700 | [diff] [blame] | 2717 | &dex_file, dex_files, thread_pool); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2718 | CompileClassVisitor visitor(&context); |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 2719 | context.ForAll(0, dex_file.NumClassDefs(), &visitor, thread_count); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2720 | } |
| 2721 | |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 2722 | void CompilerDriver::AddCompiledMethod(const MethodReference& method_ref, |
| 2723 | CompiledMethod* const compiled_method, |
| 2724 | size_t non_relative_linker_patch_count) { |
Mathieu Chartier | fc8b422 | 2017-09-17 13:44:24 -0700 | [diff] [blame] | 2725 | DCHECK(GetCompiledMethod(method_ref) == nullptr) << method_ref.PrettyMethod(); |
| 2726 | MethodTable::InsertResult result = compiled_methods_.Insert(method_ref, |
| 2727 | /*expected*/ nullptr, |
| 2728 | compiled_method); |
Mathieu Chartier | acab8d4 | 2016-11-23 13:45:58 -0800 | [diff] [blame] | 2729 | CHECK(result == MethodTable::kInsertResultSuccess); |
| 2730 | non_relative_linker_patch_count_.FetchAndAddRelaxed(non_relative_linker_patch_count); |
Mathieu Chartier | fc8b422 | 2017-09-17 13:44:24 -0700 | [diff] [blame] | 2731 | DCHECK(GetCompiledMethod(method_ref) != nullptr) << method_ref.PrettyMethod(); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2732 | } |
| 2733 | |
Vladimir Marko | 2c64a83 | 2018-01-04 11:31:56 +0000 | [diff] [blame] | 2734 | bool CompilerDriver::GetCompiledClass(const ClassReference& ref, ClassStatus* status) const { |
Andreas Gampe | bb84610 | 2017-05-11 21:03:35 -0700 | [diff] [blame] | 2735 | DCHECK(status != nullptr); |
Mathieu Chartier | 1a088d4 | 2017-07-18 11:43:57 -0700 | [diff] [blame] | 2736 | // The table doesn't know if something wasn't inserted. For this case it will return |
Vladimir Marko | 2c64a83 | 2018-01-04 11:31:56 +0000 | [diff] [blame] | 2737 | // ClassStatus::kNotReady. To handle this, just assume anything we didn't try to verify |
| 2738 | // is not compiled. |
Mathieu Chartier | fc8b422 | 2017-09-17 13:44:24 -0700 | [diff] [blame] | 2739 | if (!compiled_classes_.Get(ref, status) || |
Vladimir Marko | 2c64a83 | 2018-01-04 11:31:56 +0000 | [diff] [blame] | 2740 | *status < ClassStatus::kRetryVerificationAtRuntime) { |
Andreas Gampe | bb84610 | 2017-05-11 21:03:35 -0700 | [diff] [blame] | 2741 | return false; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2742 | } |
Andreas Gampe | bb84610 | 2017-05-11 21:03:35 -0700 | [diff] [blame] | 2743 | return true; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2744 | } |
| 2745 | |
Vladimir Marko | 2c64a83 | 2018-01-04 11:31:56 +0000 | [diff] [blame] | 2746 | ClassStatus CompilerDriver::GetClassStatus(const ClassReference& ref) const { |
| 2747 | ClassStatus status = ClassStatus::kNotReady; |
Nicolas Geoffray | 486dda0 | 2017-09-11 14:15:52 +0100 | [diff] [blame] | 2748 | if (!GetCompiledClass(ref, &status)) { |
Mathieu Chartier | fc8b422 | 2017-09-17 13:44:24 -0700 | [diff] [blame] | 2749 | classpath_classes_.Get(ref, &status); |
Nicolas Geoffray | 486dda0 | 2017-09-11 14:15:52 +0100 | [diff] [blame] | 2750 | } |
| 2751 | return status; |
| 2752 | } |
| 2753 | |
Vladimir Marko | 2c64a83 | 2018-01-04 11:31:56 +0000 | [diff] [blame] | 2754 | void CompilerDriver::RecordClassStatus(const ClassReference& ref, ClassStatus status) { |
Nicolas Geoffray | ade72d6 | 2016-12-15 13:20:02 +0000 | [diff] [blame] | 2755 | switch (status) { |
Vladimir Marko | 2c64a83 | 2018-01-04 11:31:56 +0000 | [diff] [blame] | 2756 | case ClassStatus::kErrorResolved: |
| 2757 | case ClassStatus::kErrorUnresolved: |
| 2758 | case ClassStatus::kNotReady: |
| 2759 | case ClassStatus::kResolved: |
| 2760 | case ClassStatus::kRetryVerificationAtRuntime: |
| 2761 | case ClassStatus::kVerified: |
| 2762 | case ClassStatus::kSuperclassValidated: |
| 2763 | case ClassStatus::kInitialized: |
Nicolas Geoffray | ade72d6 | 2016-12-15 13:20:02 +0000 | [diff] [blame] | 2764 | break; // Expected states. |
| 2765 | default: |
| 2766 | LOG(FATAL) << "Unexpected class status for class " |
Mathieu Chartier | fc8b422 | 2017-09-17 13:44:24 -0700 | [diff] [blame] | 2767 | << PrettyDescriptor( |
| 2768 | ref.dex_file->GetClassDescriptor(ref.dex_file->GetClassDef(ref.index))) |
Nicolas Geoffray | ade72d6 | 2016-12-15 13:20:02 +0000 | [diff] [blame] | 2769 | << " of " << status; |
| 2770 | } |
| 2771 | |
Mathieu Chartier | 1a088d4 | 2017-07-18 11:43:57 -0700 | [diff] [blame] | 2772 | ClassStateTable::InsertResult result; |
Nicolas Geoffray | 486dda0 | 2017-09-11 14:15:52 +0100 | [diff] [blame] | 2773 | ClassStateTable* table = &compiled_classes_; |
Mathieu Chartier | 1a088d4 | 2017-07-18 11:43:57 -0700 | [diff] [blame] | 2774 | do { |
Vladimir Marko | 2c64a83 | 2018-01-04 11:31:56 +0000 | [diff] [blame] | 2775 | ClassStatus existing = ClassStatus::kNotReady; |
Mathieu Chartier | fc8b422 | 2017-09-17 13:44:24 -0700 | [diff] [blame] | 2776 | if (!table->Get(ref, &existing)) { |
Nicolas Geoffray | 486dda0 | 2017-09-11 14:15:52 +0100 | [diff] [blame] | 2777 | // A classpath class. |
Mathieu Chartier | 010f5cc | 2017-07-24 15:53:46 -0700 | [diff] [blame] | 2778 | if (kIsDebugBuild) { |
| 2779 | // Check to make sure it's not a dex file for an oat file we are compiling since these |
| 2780 | // should always succeed. These do not include classes in for used libraries. |
Mathieu Chartier | 72041a0 | 2017-07-14 18:23:25 -0700 | [diff] [blame] | 2781 | for (const DexFile* dex_file : GetDexFilesForOatFile()) { |
Mathieu Chartier | fc8b422 | 2017-09-17 13:44:24 -0700 | [diff] [blame] | 2782 | CHECK_NE(ref.dex_file, dex_file) << ref.dex_file->GetLocation(); |
Mathieu Chartier | 010f5cc | 2017-07-24 15:53:46 -0700 | [diff] [blame] | 2783 | } |
| 2784 | } |
Mathieu Chartier | fc8b422 | 2017-09-17 13:44:24 -0700 | [diff] [blame] | 2785 | if (!classpath_classes_.HaveDexFile(ref.dex_file)) { |
Nicolas Geoffray | 486dda0 | 2017-09-11 14:15:52 +0100 | [diff] [blame] | 2786 | // Boot classpath dex file. |
| 2787 | return; |
| 2788 | } |
| 2789 | table = &classpath_classes_; |
Mathieu Chartier | fc8b422 | 2017-09-17 13:44:24 -0700 | [diff] [blame] | 2790 | table->Get(ref, &existing); |
Mathieu Chartier | 010f5cc | 2017-07-24 15:53:46 -0700 | [diff] [blame] | 2791 | } |
Mathieu Chartier | 1a088d4 | 2017-07-18 11:43:57 -0700 | [diff] [blame] | 2792 | if (existing >= status) { |
| 2793 | // Existing status is already better than we expect, break. |
| 2794 | break; |
| 2795 | } |
Nicolas Geoffray | ade72d6 | 2016-12-15 13:20:02 +0000 | [diff] [blame] | 2796 | // Update the status if we now have a greater one. This happens with vdex, |
| 2797 | // which records a class is verified, but does not resolve it. |
Mathieu Chartier | fc8b422 | 2017-09-17 13:44:24 -0700 | [diff] [blame] | 2798 | result = table->Insert(ref, existing, status); |
| 2799 | CHECK(result != ClassStateTable::kInsertResultInvalidDexFile) << ref.dex_file->GetLocation(); |
Mathieu Chartier | 1a088d4 | 2017-07-18 11:43:57 -0700 | [diff] [blame] | 2800 | } while (result != ClassStateTable::kInsertResultSuccess); |
Ian Rogers | 8f3c9ae | 2013-08-20 17:26:41 -0700 | [diff] [blame] | 2801 | } |
| 2802 | |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2803 | CompiledMethod* CompilerDriver::GetCompiledMethod(MethodReference ref) const { |
Mathieu Chartier | acab8d4 | 2016-11-23 13:45:58 -0800 | [diff] [blame] | 2804 | CompiledMethod* compiled_method = nullptr; |
Mathieu Chartier | fc8b422 | 2017-09-17 13:44:24 -0700 | [diff] [blame] | 2805 | compiled_methods_.Get(ref, &compiled_method); |
Mathieu Chartier | acab8d4 | 2016-11-23 13:45:58 -0800 | [diff] [blame] | 2806 | return compiled_method; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2807 | } |
| 2808 | |
Calin Juravle | f1c6d9e | 2015-04-13 18:42:21 +0100 | [diff] [blame] | 2809 | bool CompilerDriver::IsMethodVerifiedWithoutFailures(uint32_t method_idx, |
| 2810 | uint16_t class_def_idx, |
| 2811 | const DexFile& dex_file) const { |
| 2812 | const VerifiedMethod* verified_method = GetVerifiedMethod(&dex_file, method_idx); |
| 2813 | if (verified_method != nullptr) { |
| 2814 | return !verified_method->HasVerificationFailures(); |
| 2815 | } |
| 2816 | |
| 2817 | // If we can't find verification metadata, check if this is a system class (we trust that system |
| 2818 | // classes have their methods verified). If it's not, be conservative and assume the method |
| 2819 | // has not been verified successfully. |
| 2820 | |
| 2821 | // TODO: When compiling the boot image it should be safe to assume that everything is verified, |
| 2822 | // even if methods are not found in the verification cache. |
| 2823 | const char* descriptor = dex_file.GetClassDescriptor(dex_file.GetClassDef(class_def_idx)); |
| 2824 | ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); |
| 2825 | Thread* self = Thread::Current(); |
| 2826 | ScopedObjectAccess soa(self); |
| 2827 | bool is_system_class = class_linker->FindSystemClass(self, descriptor) != nullptr; |
| 2828 | if (!is_system_class) { |
| 2829 | self->ClearException(); |
| 2830 | } |
| 2831 | return is_system_class; |
| 2832 | } |
| 2833 | |
Vladimir Marko | f4da675 | 2014-08-01 19:04:18 +0100 | [diff] [blame] | 2834 | size_t CompilerDriver::GetNonRelativeLinkerPatchCount() const { |
Mathieu Chartier | acab8d4 | 2016-11-23 13:45:58 -0800 | [diff] [blame] | 2835 | return non_relative_linker_patch_count_.LoadRelaxed(); |
Vladimir Marko | f4da675 | 2014-08-01 19:04:18 +0100 | [diff] [blame] | 2836 | } |
| 2837 | |
Mathieu Chartier | c4ae916 | 2016-04-07 13:19:19 -0700 | [diff] [blame] | 2838 | void CompilerDriver::SetRequiresConstructorBarrier(Thread* self, |
| 2839 | const DexFile* dex_file, |
| 2840 | uint16_t class_def_index, |
| 2841 | bool requires) { |
| 2842 | WriterMutexLock mu(self, requires_constructor_barrier_lock_); |
| 2843 | requires_constructor_barrier_.emplace(ClassReference(dex_file, class_def_index), requires); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2844 | } |
| 2845 | |
Mathieu Chartier | 371bd83 | 2016-04-07 10:19:48 -0700 | [diff] [blame] | 2846 | bool CompilerDriver::RequiresConstructorBarrier(Thread* self, |
| 2847 | const DexFile* dex_file, |
Mathieu Chartier | c4ae916 | 2016-04-07 13:19:19 -0700 | [diff] [blame] | 2848 | uint16_t class_def_index) { |
| 2849 | ClassReference class_ref(dex_file, class_def_index); |
| 2850 | { |
| 2851 | ReaderMutexLock mu(self, requires_constructor_barrier_lock_); |
| 2852 | auto it = requires_constructor_barrier_.find(class_ref); |
| 2853 | if (it != requires_constructor_barrier_.end()) { |
| 2854 | return it->second; |
| 2855 | } |
Mathieu Chartier | b5d3861 | 2016-04-07 10:52:52 -0700 | [diff] [blame] | 2856 | } |
Mathieu Chartier | c4ae916 | 2016-04-07 13:19:19 -0700 | [diff] [blame] | 2857 | WriterMutexLock mu(self, requires_constructor_barrier_lock_); |
| 2858 | const bool requires = RequiresConstructorBarrier(*dex_file, class_def_index); |
| 2859 | requires_constructor_barrier_.emplace(class_ref, requires); |
| 2860 | return requires; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2861 | } |
| 2862 | |
Andreas Gampe | 8d295f8 | 2015-01-20 14:50:21 -0800 | [diff] [blame] | 2863 | std::string CompilerDriver::GetMemoryUsageString(bool extended) const { |
Mathieu Chartier | ab972ef | 2014-12-03 17:38:22 -0800 | [diff] [blame] | 2864 | std::ostringstream oss; |
Calin Juravle | 6915898 | 2016-03-16 11:53:41 +0000 | [diff] [blame] | 2865 | const gc::Heap* const heap = Runtime::Current()->GetHeap(); |
Anton Kirilov | dd9473b | 2016-01-28 15:08:01 +0000 | [diff] [blame] | 2866 | const size_t java_alloc = heap->GetBytesAllocated(); |
Calin Juravle | 6915898 | 2016-03-16 11:53:41 +0000 | [diff] [blame] | 2867 | oss << "arena alloc=" << PrettySize(max_arena_alloc_) << " (" << max_arena_alloc_ << "B)"; |
Anton Kirilov | dd9473b | 2016-01-28 15:08:01 +0000 | [diff] [blame] | 2868 | oss << " java alloc=" << PrettySize(java_alloc) << " (" << java_alloc << "B)"; |
Elliott Hughes | 7bf5a26 | 2015-04-02 20:55:07 -0700 | [diff] [blame] | 2869 | #if defined(__BIONIC__) || defined(__GLIBC__) |
Anton Kirilov | dd9473b | 2016-01-28 15:08:01 +0000 | [diff] [blame] | 2870 | const struct mallinfo info = mallinfo(); |
Mathieu Chartier | ab972ef | 2014-12-03 17:38:22 -0800 | [diff] [blame] | 2871 | const size_t allocated_space = static_cast<size_t>(info.uordblks); |
| 2872 | const size_t free_space = static_cast<size_t>(info.fordblks); |
Anton Kirilov | dd9473b | 2016-01-28 15:08:01 +0000 | [diff] [blame] | 2873 | oss << " native alloc=" << PrettySize(allocated_space) << " (" << allocated_space << "B)" |
| 2874 | << " free=" << PrettySize(free_space) << " (" << free_space << "B)"; |
Mathieu Chartier | ab972ef | 2014-12-03 17:38:22 -0800 | [diff] [blame] | 2875 | #endif |
Vladimir Marko | 35831e8 | 2015-09-11 11:59:18 +0100 | [diff] [blame] | 2876 | compiled_method_storage_.DumpMemoryUsage(oss, extended); |
Mathieu Chartier | ab972ef | 2014-12-03 17:38:22 -0800 | [diff] [blame] | 2877 | return oss.str(); |
| 2878 | } |
| 2879 | |
Jeff Hao | dcdc85b | 2015-12-04 14:06:18 -0800 | [diff] [blame] | 2880 | bool CompilerDriver::MayInlineInternal(const DexFile* inlined_from, |
| 2881 | const DexFile* inlined_into) const { |
| 2882 | // We're not allowed to inline across dex files if we're the no-inline-from dex file. |
| 2883 | if (inlined_from != inlined_into && |
Vladimir Marko | 47496c2 | 2016-01-27 16:15:08 +0000 | [diff] [blame] | 2884 | compiler_options_->GetNoInlineFromDexFile() != nullptr && |
| 2885 | ContainsElement(*compiler_options_->GetNoInlineFromDexFile(), inlined_from)) { |
Jeff Hao | dcdc85b | 2015-12-04 14:06:18 -0800 | [diff] [blame] | 2886 | return false; |
| 2887 | } |
| 2888 | |
| 2889 | return true; |
| 2890 | } |
| 2891 | |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 2892 | void CompilerDriver::InitializeThreadPools() { |
| 2893 | size_t parallel_count = parallel_thread_count_ > 0 ? parallel_thread_count_ - 1 : 0; |
| 2894 | parallel_thread_pool_.reset( |
| 2895 | new ThreadPool("Compiler driver thread pool", parallel_count)); |
| 2896 | single_thread_pool_.reset(new ThreadPool("Single-threaded Compiler driver thread pool", 0)); |
| 2897 | } |
| 2898 | |
| 2899 | void CompilerDriver::FreeThreadPools() { |
| 2900 | parallel_thread_pool_.reset(); |
| 2901 | single_thread_pool_.reset(); |
| 2902 | } |
| 2903 | |
Mathieu Chartier | 72041a0 | 2017-07-14 18:23:25 -0700 | [diff] [blame] | 2904 | void CompilerDriver::SetDexFilesForOatFile(const std::vector<const DexFile*>& dex_files) { |
| 2905 | dex_files_for_oat_file_ = dex_files; |
Nicolas Geoffray | 486dda0 | 2017-09-11 14:15:52 +0100 | [diff] [blame] | 2906 | compiled_classes_.AddDexFiles(dex_files); |
| 2907 | } |
| 2908 | |
| 2909 | void CompilerDriver::SetClasspathDexFiles(const std::vector<const DexFile*>& dex_files) { |
| 2910 | classpath_classes_.AddDexFiles(dex_files); |
Mathieu Chartier | 72041a0 | 2017-07-14 18:23:25 -0700 | [diff] [blame] | 2911 | } |
| 2912 | |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2913 | } // namespace art |