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" |
Mathieu Chartier | c8c8d5f | 2018-05-22 11:56:14 -0700 | [diff] [blame] | 45 | #include "dex/class_accessor-inl.h" |
David Sehr | b2ec9f5 | 2018-02-21 13:20:31 -0800 | [diff] [blame] | 46 | #include "dex/descriptors_names.h" |
David Sehr | 9e734c7 | 2018-01-04 17:56:19 -0800 | [diff] [blame] | 47 | #include "dex/dex_file-inl.h" |
| 48 | #include "dex/dex_file_annotations.h" |
| 49 | #include "dex/dex_instruction-inl.h" |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 50 | #include "dex/dex_to_dex_compiler.h" |
Vladimir Marko | c7f8320 | 2014-01-24 17:55:18 +0000 | [diff] [blame] | 51 | #include "dex/verification_results.h" |
Vladimir Marko | 2730db0 | 2014-01-27 11:15:17 +0000 | [diff] [blame] | 52 | #include "dex/verified_method.h" |
Steven Moreland | e431e27 | 2017-07-18 16:53:49 -0700 | [diff] [blame] | 53 | #include "dex_compilation_unit.h" |
Mark Mendell | ae9fd93 | 2014-02-10 16:14:35 -0800 | [diff] [blame] | 54 | #include "driver/compiler_options.h" |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 55 | #include "gc/accounting/card_table-inl.h" |
| 56 | #include "gc/accounting/heap_bitmap.h" |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 57 | #include "gc/space/image_space.h" |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 58 | #include "gc/space/space.h" |
Steven Moreland | e431e27 | 2017-07-18 16:53:49 -0700 | [diff] [blame] | 59 | #include "handle_scope-inl.h" |
| 60 | #include "intrinsics_enum.h" |
Vladimir Marko | a3ad0cd | 2018-05-04 10:06:38 +0100 | [diff] [blame] | 61 | #include "jni/jni_internal.h" |
Vladimir Marko | d8dbc8d | 2017-09-20 13:37:47 +0100 | [diff] [blame] | 62 | #include "linker/linker_patch.h" |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 63 | #include "mirror/class-inl.h" |
Steven Moreland | e431e27 | 2017-07-18 16:53:49 -0700 | [diff] [blame] | 64 | #include "mirror/class_loader.h" |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 65 | #include "mirror/dex_cache-inl.h" |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 66 | #include "mirror/object-inl.h" |
Andreas Gampe | c6ea7d0 | 2017-02-01 16:46:28 -0800 | [diff] [blame] | 67 | #include "mirror/object-refvisitor-inl.h" |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 68 | #include "mirror/object_array-inl.h" |
| 69 | #include "mirror/throwable.h" |
Steven Moreland | e431e27 | 2017-07-18 16:53:49 -0700 | [diff] [blame] | 70 | #include "nativehelper/ScopedLocalRef.h" |
| 71 | #include "object_lock.h" |
David Sehr | 82d046e | 2018-04-23 08:14:19 -0700 | [diff] [blame] | 72 | #include "profile/profile_compilation_info.h" |
Steven Moreland | e431e27 | 2017-07-18 16:53:49 -0700 | [diff] [blame] | 73 | #include "runtime.h" |
Orion Hodson | 26ef34c | 2017-11-01 13:32:41 +0000 | [diff] [blame] | 74 | #include "runtime_intrinsics.h" |
Mathieu Chartier | 0795f23 | 2016-09-27 18:43:30 -0700 | [diff] [blame] | 75 | #include "scoped_thread_state_change-inl.h" |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 76 | #include "thread.h" |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 77 | #include "thread_list.h" |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 78 | #include "thread_pool.h" |
Ian Rogers | 848871b | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 79 | #include "trampolines/trampoline_compiler.h" |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 80 | #include "transaction.h" |
Mathieu Chartier | 93764b8 | 2017-07-17 14:51:53 -0700 | [diff] [blame] | 81 | #include "utils/atomic_dex_ref_map-inl.h" |
Vladimir Marko | 20f8559 | 2015-03-19 10:07:02 +0000 | [diff] [blame] | 82 | #include "utils/dex_cache_arrays_layout-inl.h" |
Andreas Gampe | e21dc3d | 2014-12-08 16:59:43 -0800 | [diff] [blame] | 83 | #include "utils/swap_space.h" |
Nicolas Geoffray | b0bbe8e | 2016-11-19 10:42:37 +0000 | [diff] [blame] | 84 | #include "vdex_file.h" |
Vladimir Marko | 2bc4780 | 2014-02-10 09:43:07 +0000 | [diff] [blame] | 85 | #include "verifier/method_verifier-inl.h" |
Steven Moreland | e431e27 | 2017-07-18 16:53:49 -0700 | [diff] [blame] | 86 | #include "verifier/method_verifier.h" |
Nicolas Geoffray | 0802518 | 2016-10-25 17:20:18 +0100 | [diff] [blame] | 87 | #include "verifier/verifier_deps.h" |
Andreas Gampe | 6d7abbd | 2017-04-24 13:19:09 -0700 | [diff] [blame] | 88 | #include "verifier/verifier_enums.h" |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 89 | |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 90 | namespace art { |
| 91 | |
Mathieu Chartier | 8e219ae | 2014-08-19 14:29:46 -0700 | [diff] [blame] | 92 | static constexpr bool kTimeCompileMethod = !kIsDebugBuild; |
| 93 | |
Calin Juravle | 226501b | 2015-12-11 14:41:31 +0000 | [diff] [blame] | 94 | // Print additional info during profile guided compilation. |
| 95 | static constexpr bool kDebugProfileGuidedCompilation = false; |
| 96 | |
Chang Xing | 70f689d | 2017-06-08 17:16:12 -0700 | [diff] [blame] | 97 | // Max encoded fields allowed for initializing app image. Hardcode the number for now |
| 98 | // because 5000 should be large enough. |
| 99 | static constexpr uint32_t kMaxEncodedFields = 5000; |
| 100 | |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 101 | static double Percentage(size_t x, size_t y) { |
| 102 | return 100.0 * (static_cast<double>(x)) / (static_cast<double>(x + y)); |
| 103 | } |
| 104 | |
| 105 | static void DumpStat(size_t x, size_t y, const char* str) { |
| 106 | if (x == 0 && y == 0) { |
| 107 | return; |
| 108 | } |
Ian Rogers | e732ef1 | 2013-10-09 15:22:24 -0700 | [diff] [blame] | 109 | LOG(INFO) << Percentage(x, y) << "% of " << str << " for " << (x + y) << " cases"; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 110 | } |
| 111 | |
Vladimir Marko | f096aad | 2014-01-23 15:51:58 +0000 | [diff] [blame] | 112 | class CompilerDriver::AOTCompilationStats { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 113 | public: |
| 114 | AOTCompilationStats() |
| 115 | : stats_lock_("AOT compilation statistics lock"), |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 116 | resolved_types_(0), unresolved_types_(0), |
| 117 | resolved_instance_fields_(0), unresolved_instance_fields_(0), |
| 118 | resolved_local_static_fields_(0), resolved_static_fields_(0), unresolved_static_fields_(0), |
| 119 | type_based_devirtualization_(0), |
| 120 | safe_casts_(0), not_safe_casts_(0) { |
| 121 | for (size_t i = 0; i <= kMaxInvokeType; i++) { |
| 122 | resolved_methods_[i] = 0; |
| 123 | unresolved_methods_[i] = 0; |
| 124 | virtual_made_direct_[i] = 0; |
| 125 | direct_calls_to_boot_[i] = 0; |
| 126 | direct_methods_to_boot_[i] = 0; |
| 127 | } |
| 128 | } |
| 129 | |
| 130 | void Dump() { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 131 | DumpStat(resolved_types_, unresolved_types_, "types resolved"); |
| 132 | DumpStat(resolved_instance_fields_, unresolved_instance_fields_, "instance fields resolved"); |
| 133 | DumpStat(resolved_local_static_fields_ + resolved_static_fields_, unresolved_static_fields_, |
| 134 | "static fields resolved"); |
| 135 | DumpStat(resolved_local_static_fields_, resolved_static_fields_ + unresolved_static_fields_, |
| 136 | "static fields local to a class"); |
| 137 | DumpStat(safe_casts_, not_safe_casts_, "check-casts removed based on type information"); |
| 138 | // Note, the code below subtracts the stat value so that when added to the stat value we have |
| 139 | // 100% of samples. TODO: clean this up. |
| 140 | DumpStat(type_based_devirtualization_, |
| 141 | resolved_methods_[kVirtual] + unresolved_methods_[kVirtual] + |
| 142 | resolved_methods_[kInterface] + unresolved_methods_[kInterface] - |
| 143 | type_based_devirtualization_, |
| 144 | "virtual/interface calls made direct based on type information"); |
| 145 | |
| 146 | for (size_t i = 0; i <= kMaxInvokeType; i++) { |
| 147 | std::ostringstream oss; |
| 148 | oss << static_cast<InvokeType>(i) << " methods were AOT resolved"; |
| 149 | DumpStat(resolved_methods_[i], unresolved_methods_[i], oss.str().c_str()); |
| 150 | if (virtual_made_direct_[i] > 0) { |
| 151 | std::ostringstream oss2; |
| 152 | oss2 << static_cast<InvokeType>(i) << " methods made direct"; |
| 153 | DumpStat(virtual_made_direct_[i], |
| 154 | resolved_methods_[i] + unresolved_methods_[i] - virtual_made_direct_[i], |
| 155 | oss2.str().c_str()); |
| 156 | } |
| 157 | if (direct_calls_to_boot_[i] > 0) { |
| 158 | std::ostringstream oss2; |
| 159 | oss2 << static_cast<InvokeType>(i) << " method calls are direct into boot"; |
| 160 | DumpStat(direct_calls_to_boot_[i], |
| 161 | resolved_methods_[i] + unresolved_methods_[i] - direct_calls_to_boot_[i], |
| 162 | oss2.str().c_str()); |
| 163 | } |
| 164 | if (direct_methods_to_boot_[i] > 0) { |
| 165 | std::ostringstream oss2; |
| 166 | oss2 << static_cast<InvokeType>(i) << " method calls have methods in boot"; |
| 167 | DumpStat(direct_methods_to_boot_[i], |
| 168 | resolved_methods_[i] + unresolved_methods_[i] - direct_methods_to_boot_[i], |
| 169 | oss2.str().c_str()); |
| 170 | } |
| 171 | } |
| 172 | } |
| 173 | |
| 174 | // Allow lossy statistics in non-debug builds. |
| 175 | #ifndef NDEBUG |
| 176 | #define STATS_LOCK() MutexLock mu(Thread::Current(), stats_lock_) |
| 177 | #else |
| 178 | #define STATS_LOCK() |
| 179 | #endif |
| 180 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 181 | void TypeDoesntNeedAccessCheck() REQUIRES(!stats_lock_) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 182 | STATS_LOCK(); |
| 183 | resolved_types_++; |
| 184 | } |
| 185 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 186 | void TypeNeedsAccessCheck() REQUIRES(!stats_lock_) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 187 | STATS_LOCK(); |
| 188 | unresolved_types_++; |
| 189 | } |
| 190 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 191 | void ResolvedInstanceField() REQUIRES(!stats_lock_) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 192 | STATS_LOCK(); |
| 193 | resolved_instance_fields_++; |
| 194 | } |
| 195 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 196 | void UnresolvedInstanceField() REQUIRES(!stats_lock_) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 197 | STATS_LOCK(); |
| 198 | unresolved_instance_fields_++; |
| 199 | } |
| 200 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 201 | void ResolvedLocalStaticField() REQUIRES(!stats_lock_) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 202 | STATS_LOCK(); |
| 203 | resolved_local_static_fields_++; |
| 204 | } |
| 205 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 206 | void ResolvedStaticField() REQUIRES(!stats_lock_) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 207 | STATS_LOCK(); |
| 208 | resolved_static_fields_++; |
| 209 | } |
| 210 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 211 | void UnresolvedStaticField() REQUIRES(!stats_lock_) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 212 | STATS_LOCK(); |
| 213 | unresolved_static_fields_++; |
| 214 | } |
| 215 | |
| 216 | // Indicate that type information from the verifier led to devirtualization. |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 217 | void PreciseTypeDevirtualization() REQUIRES(!stats_lock_) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 218 | STATS_LOCK(); |
| 219 | type_based_devirtualization_++; |
| 220 | } |
| 221 | |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 222 | // A check-cast could be eliminated due to verifier type analysis. |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 223 | void SafeCast() REQUIRES(!stats_lock_) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 224 | STATS_LOCK(); |
| 225 | safe_casts_++; |
| 226 | } |
| 227 | |
| 228 | // A check-cast couldn't be eliminated due to verifier type analysis. |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 229 | void NotASafeCast() REQUIRES(!stats_lock_) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 230 | STATS_LOCK(); |
| 231 | not_safe_casts_++; |
| 232 | } |
| 233 | |
| 234 | private: |
| 235 | Mutex stats_lock_; |
| 236 | |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 237 | size_t resolved_types_; |
| 238 | size_t unresolved_types_; |
| 239 | |
| 240 | size_t resolved_instance_fields_; |
| 241 | size_t unresolved_instance_fields_; |
| 242 | |
| 243 | size_t resolved_local_static_fields_; |
| 244 | size_t resolved_static_fields_; |
| 245 | size_t unresolved_static_fields_; |
| 246 | // Type based devirtualization for invoke interface and virtual. |
| 247 | size_t type_based_devirtualization_; |
| 248 | |
| 249 | size_t resolved_methods_[kMaxInvokeType + 1]; |
| 250 | size_t unresolved_methods_[kMaxInvokeType + 1]; |
| 251 | size_t virtual_made_direct_[kMaxInvokeType + 1]; |
| 252 | size_t direct_calls_to_boot_[kMaxInvokeType + 1]; |
| 253 | size_t direct_methods_to_boot_[kMaxInvokeType + 1]; |
| 254 | |
| 255 | size_t safe_casts_; |
| 256 | size_t not_safe_casts_; |
| 257 | |
| 258 | DISALLOW_COPY_AND_ASSIGN(AOTCompilationStats); |
| 259 | }; |
| 260 | |
Jeff Hao | dcdc85b | 2015-12-04 14:06:18 -0800 | [diff] [blame] | 261 | CompilerDriver::CompilerDriver( |
| 262 | const CompilerOptions* compiler_options, |
| 263 | VerificationResults* verification_results, |
Jeff Hao | dcdc85b | 2015-12-04 14:06:18 -0800 | [diff] [blame] | 264 | Compiler::Kind compiler_kind, |
| 265 | InstructionSet instruction_set, |
| 266 | const InstructionSetFeatures* instruction_set_features, |
Vladimir Marko | 944da60 | 2016-02-19 12:27:55 +0000 | [diff] [blame] | 267 | std::unordered_set<std::string>* image_classes, |
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 | f39208f | 2017-10-19 15:06:59 -0700 | [diff] [blame] | 281 | number_of_soft_verifier_failures_(0), |
Andreas Gampe | 6cf49e5 | 2015-03-05 13:08:45 -0800 | [diff] [blame] | 282 | had_hard_verifier_failure_(false), |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 283 | parallel_thread_count_(thread_count), |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 284 | stats_(new AOTCompilationStats), |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 285 | compiler_context_(nullptr), |
Alexey Frunze | 19f6c69 | 2016-11-30 19:19:55 -0800 | [diff] [blame] | 286 | support_boot_image_fixup_(true), |
Calin Juravle | 998c216 | 2015-12-21 15:39:33 +0200 | [diff] [blame] | 287 | compiled_method_storage_(swap_fd), |
Calin Juravle | 6915898 | 2016-03-16 11:53:41 +0000 | [diff] [blame] | 288 | profile_compilation_info_(profile_compilation_info), |
Vladimir Marko | 492a7fa | 2016-06-01 18:38:43 +0100 | [diff] [blame] | 289 | max_arena_alloc_(0), |
Mathieu Chartier | a79efdb | 2018-01-18 16:31:01 -0800 | [diff] [blame] | 290 | dex_to_dex_compiler_(this) { |
Brian Carlstrom | 6449c62 | 2014-02-10 23:48:36 -0800 | [diff] [blame] | 291 | DCHECK(compiler_options_ != nullptr); |
Brian Carlstrom | 2ce745c | 2013-07-17 17:44:30 -0700 | [diff] [blame] | 292 | |
Ian Rogers | 72d3262 | 2014-05-06 16:20:11 -0700 | [diff] [blame] | 293 | compiler_->Init(); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 294 | |
Vladimir Marko | aad75c6 | 2016-10-03 08:46:48 +0000 | [diff] [blame] | 295 | if (GetCompilerOptions().IsBootImage()) { |
Mathieu Chartier | c5dd319 | 2015-12-09 16:38:30 -0800 | [diff] [blame] | 296 | CHECK(image_classes_.get() != nullptr) << "Expected image classes for boot image"; |
| 297 | } |
Andreas Gampe | cac31ad | 2017-11-06 20:01:17 -0800 | [diff] [blame] | 298 | |
| 299 | compiled_method_storage_.SetDedupeEnabled(compiler_options_->DeduplicateCode()); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 300 | } |
| 301 | |
| 302 | CompilerDriver::~CompilerDriver() { |
Mathieu Chartier | 93764b8 | 2017-07-17 14:51:53 -0700 | [diff] [blame] | 303 | compiled_methods_.Visit([this](const DexFileReference& ref ATTRIBUTE_UNUSED, |
Mathieu Chartier | acab8d4 | 2016-11-23 13:45:58 -0800 | [diff] [blame] | 304 | CompiledMethod* method) { |
| 305 | if (method != nullptr) { |
| 306 | CompiledMethod::ReleaseSwapAllocatedCompiledMethod(this, method); |
Andreas Gampe | e21dc3d | 2014-12-08 16:59:43 -0800 | [diff] [blame] | 307 | } |
Mathieu Chartier | acab8d4 | 2016-11-23 13:45:58 -0800 | [diff] [blame] | 308 | }); |
Ian Rogers | 72d3262 | 2014-05-06 16:20:11 -0700 | [diff] [blame] | 309 | compiler_->UnInit(); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 310 | } |
| 311 | |
Vladimir Marko | 35831e8 | 2015-09-11 11:59:18 +0100 | [diff] [blame] | 312 | |
Ian Rogers | dd7624d | 2014-03-14 17:43:00 -0700 | [diff] [blame] | 313 | #define CREATE_TRAMPOLINE(type, abi, offset) \ |
Andreas Gampe | af13ad9 | 2014-04-11 12:07:48 -0700 | [diff] [blame] | 314 | if (Is64BitInstructionSet(instruction_set_)) { \ |
Ian Rogers | dd7624d | 2014-03-14 17:43:00 -0700 | [diff] [blame] | 315 | return CreateTrampoline64(instruction_set_, abi, \ |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 316 | type ## _ENTRYPOINT_OFFSET(PointerSize::k64, offset)); \ |
Ian Rogers | dd7624d | 2014-03-14 17:43:00 -0700 | [diff] [blame] | 317 | } else { \ |
| 318 | return CreateTrampoline32(instruction_set_, abi, \ |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 319 | type ## _ENTRYPOINT_OFFSET(PointerSize::k32, offset)); \ |
Ian Rogers | dd7624d | 2014-03-14 17:43:00 -0700 | [diff] [blame] | 320 | } |
| 321 | |
Vladimir Marko | 93205e3 | 2016-04-13 11:59:46 +0100 | [diff] [blame] | 322 | std::unique_ptr<const std::vector<uint8_t>> CompilerDriver::CreateJniDlsymLookup() const { |
Ian Rogers | dd7624d | 2014-03-14 17:43:00 -0700 | [diff] [blame] | 323 | CREATE_TRAMPOLINE(JNI, kJniAbi, pDlsymLookup) |
Ian Rogers | 848871b | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 324 | } |
| 325 | |
Vladimir Marko | 93205e3 | 2016-04-13 11:59:46 +0100 | [diff] [blame] | 326 | std::unique_ptr<const std::vector<uint8_t>> CompilerDriver::CreateQuickGenericJniTrampoline() |
| 327 | const { |
Ian Rogers | dd7624d | 2014-03-14 17:43:00 -0700 | [diff] [blame] | 328 | CREATE_TRAMPOLINE(QUICK, kQuickAbi, pQuickGenericJniTrampoline) |
Andreas Gampe | 2da8823 | 2014-02-27 12:26:20 -0800 | [diff] [blame] | 329 | } |
| 330 | |
Vladimir Marko | 93205e3 | 2016-04-13 11:59:46 +0100 | [diff] [blame] | 331 | std::unique_ptr<const std::vector<uint8_t>> CompilerDriver::CreateQuickImtConflictTrampoline() |
| 332 | const { |
Ian Rogers | dd7624d | 2014-03-14 17:43:00 -0700 | [diff] [blame] | 333 | CREATE_TRAMPOLINE(QUICK, kQuickAbi, pQuickImtConflictTrampoline) |
Jeff Hao | 88474b4 | 2013-10-23 16:24:40 -0700 | [diff] [blame] | 334 | } |
| 335 | |
Vladimir Marko | 93205e3 | 2016-04-13 11:59:46 +0100 | [diff] [blame] | 336 | std::unique_ptr<const std::vector<uint8_t>> CompilerDriver::CreateQuickResolutionTrampoline() |
| 337 | const { |
Ian Rogers | dd7624d | 2014-03-14 17:43:00 -0700 | [diff] [blame] | 338 | CREATE_TRAMPOLINE(QUICK, kQuickAbi, pQuickResolutionTrampoline) |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 339 | } |
| 340 | |
Vladimir Marko | 93205e3 | 2016-04-13 11:59:46 +0100 | [diff] [blame] | 341 | std::unique_ptr<const std::vector<uint8_t>> CompilerDriver::CreateQuickToInterpreterBridge() |
| 342 | const { |
Ian Rogers | dd7624d | 2014-03-14 17:43:00 -0700 | [diff] [blame] | 343 | CREATE_TRAMPOLINE(QUICK, kQuickAbi, pQuickToInterpreterBridge) |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 344 | } |
Ian Rogers | dd7624d | 2014-03-14 17:43:00 -0700 | [diff] [blame] | 345 | #undef CREATE_TRAMPOLINE |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 346 | |
| 347 | void CompilerDriver::CompileAll(jobject class_loader, |
Brian Carlstrom | 4560248 | 2013-07-21 22:07:55 -0700 | [diff] [blame] | 348 | const std::vector<const DexFile*>& dex_files, |
Ian Rogers | 3d50407 | 2014-03-01 09:16:49 -0800 | [diff] [blame] | 349 | TimingLogger* timings) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 350 | DCHECK(!Runtime::Current()->IsStarted()); |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 351 | |
| 352 | InitializeThreadPools(); |
| 353 | |
Andreas Gampe | 8d295f8 | 2015-01-20 14:50:21 -0800 | [diff] [blame] | 354 | VLOG(compiler) << "Before precompile " << GetMemoryUsageString(false); |
Andreas Gampe | 740667a | 2015-09-15 17:55:06 -0700 | [diff] [blame] | 355 | // Precompile: |
| 356 | // 1) Load image classes |
| 357 | // 2) Resolve all classes |
| 358 | // 3) Attempt to verify all classes |
| 359 | // 4) Attempt to initialize image classes, and trivially initialized classes |
Nicolas Geoffray | b0bbe8e | 2016-11-19 10:42:37 +0000 | [diff] [blame] | 360 | PreCompile(class_loader, dex_files, timings); |
Vladimir Marko | aad75c6 | 2016-10-03 08:46:48 +0000 | [diff] [blame] | 361 | if (GetCompilerOptions().IsBootImage()) { |
Nicolas Geoffray | 762869d | 2016-07-15 15:28:35 +0100 | [diff] [blame] | 362 | // We don't need to setup the intrinsics for non boot image compilation, as |
| 363 | // those compilations will pick up a boot image that have the ArtMethod already |
| 364 | // set with the intrinsics flag. |
Orion Hodson | 26ef34c | 2017-11-01 13:32:41 +0000 | [diff] [blame] | 365 | InitializeIntrinsics(); |
Nicolas Geoffray | 762869d | 2016-07-15 15:28:35 +0100 | [diff] [blame] | 366 | } |
Andreas Gampe | 740667a | 2015-09-15 17:55:06 -0700 | [diff] [blame] | 367 | // Compile: |
| 368 | // 1) Compile all classes and methods enabled for compilation. May fall back to dex-to-dex |
| 369 | // compilation. |
Nicolas Geoffray | 49cda06 | 2017-04-21 13:08:25 +0100 | [diff] [blame] | 370 | if (GetCompilerOptions().IsAnyCompilationEnabled()) { |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 371 | Compile(class_loader, dex_files, timings); |
Andreas Gampe | 740667a | 2015-09-15 17:55:06 -0700 | [diff] [blame] | 372 | } |
Nicolas Geoffray | 2d8801f | 2017-11-28 15:50:07 +0000 | [diff] [blame] | 373 | if (GetCompilerOptions().GetDumpStats()) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 374 | stats_->Dump(); |
| 375 | } |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 376 | |
| 377 | FreeThreadPools(); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 378 | } |
| 379 | |
Mathieu Chartier | a79efdb | 2018-01-18 16:31:01 -0800 | [diff] [blame] | 380 | static optimizer::DexToDexCompiler::CompilationLevel GetDexToDexCompilationLevel( |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 381 | Thread* self, const CompilerDriver& driver, Handle<mirror::ClassLoader> class_loader, |
| 382 | const DexFile& dex_file, const DexFile::ClassDef& class_def) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 383 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Nicolas Geoffray | f307527 | 2018-01-08 12:41:19 +0000 | [diff] [blame] | 384 | // When the dex file is uncompressed in the APK, we do not generate a copy in the .vdex |
| 385 | // file. As a result, dex2oat will map the dex file read-only, and we only need to check |
| 386 | // that to know if we can do quickening. |
| 387 | if (dex_file.GetContainer() != nullptr && dex_file.GetContainer()->IsReadOnly()) { |
| 388 | return optimizer::DexToDexCompiler::CompilationLevel::kDontDexToDexCompile; |
| 389 | } |
Mathieu Chartier | e5f13e5 | 2015-02-24 09:37:21 -0800 | [diff] [blame] | 390 | auto* const runtime = Runtime::Current(); |
Nicolas Geoffray | 49cda06 | 2017-04-21 13:08:25 +0100 | [diff] [blame] | 391 | DCHECK(driver.GetCompilerOptions().IsQuickeningCompilationEnabled()); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 392 | const char* descriptor = dex_file.GetClassDescriptor(class_def); |
Mathieu Chartier | e5f13e5 | 2015-02-24 09:37:21 -0800 | [diff] [blame] | 393 | ClassLinker* class_linker = runtime->GetClassLinker(); |
Vladimir Marko | a8bba7d | 2018-05-30 15:18:48 +0100 | [diff] [blame] | 394 | ObjPtr<mirror::Class> klass = class_linker->FindClass(self, descriptor, class_loader); |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 395 | if (klass == nullptr) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 396 | CHECK(self->IsExceptionPending()); |
| 397 | self->ClearException(); |
Mathieu Chartier | a79efdb | 2018-01-18 16:31:01 -0800 | [diff] [blame] | 398 | return optimizer::DexToDexCompiler::CompilationLevel::kDontDexToDexCompile; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 399 | } |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 400 | // DexToDex at the kOptimize level may introduce quickened opcodes, which replace symbolic |
| 401 | // references with actual offsets. We cannot re-verify such instructions. |
| 402 | // |
| 403 | // We store the verification information in the class status in the oat file, which the linker |
| 404 | // can validate (checksums) and use to skip load-time verification. It is thus safe to |
| 405 | // optimize when a class has been fully verified before. |
Mathieu Chartier | a79efdb | 2018-01-18 16:31:01 -0800 | [diff] [blame] | 406 | optimizer::DexToDexCompiler::CompilationLevel max_level = |
| 407 | optimizer::DexToDexCompiler::CompilationLevel::kOptimize; |
Alex Light | e40dd38 | 2017-01-25 17:44:53 -0800 | [diff] [blame] | 408 | if (driver.GetCompilerOptions().GetDebuggable()) { |
| 409 | // We are debuggable so definitions of classes might be changed. We don't want to do any |
| 410 | // optimizations that could break that. |
Mathieu Chartier | a79efdb | 2018-01-18 16:31:01 -0800 | [diff] [blame] | 411 | max_level = optimizer::DexToDexCompiler::CompilationLevel::kDontDexToDexCompile; |
Alex Light | e40dd38 | 2017-01-25 17:44:53 -0800 | [diff] [blame] | 412 | } |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 413 | if (klass->IsVerified()) { |
Sebastien Hertz | 7502122 | 2013-07-16 18:34:50 +0200 | [diff] [blame] | 414 | // 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] | 415 | return max_level; |
Sebastien Hertz | 7502122 | 2013-07-16 18:34:50 +0200 | [diff] [blame] | 416 | } else { |
Andreas Gampe | 1a4bc7f | 2017-03-27 14:57:30 -0700 | [diff] [blame] | 417 | // Class verification has failed: do not run DEX-to-DEX optimizations. |
Mathieu Chartier | a79efdb | 2018-01-18 16:31:01 -0800 | [diff] [blame] | 418 | return optimizer::DexToDexCompiler::CompilationLevel::kDontDexToDexCompile; |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 419 | } |
| 420 | } |
| 421 | |
Mathieu Chartier | a79efdb | 2018-01-18 16:31:01 -0800 | [diff] [blame] | 422 | static optimizer::DexToDexCompiler::CompilationLevel GetDexToDexCompilationLevel( |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 423 | Thread* self, |
| 424 | const CompilerDriver& driver, |
| 425 | jobject jclass_loader, |
| 426 | const DexFile& dex_file, |
| 427 | const DexFile::ClassDef& class_def) { |
| 428 | ScopedObjectAccess soa(self); |
| 429 | StackHandleScope<1> hs(soa.Self()); |
| 430 | Handle<mirror::ClassLoader> class_loader( |
Mathieu Chartier | 0795f23 | 2016-09-27 18:43:30 -0700 | [diff] [blame] | 431 | hs.NewHandle(soa.Decode<mirror::ClassLoader>(jclass_loader))); |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 432 | return GetDexToDexCompilationLevel(self, driver, class_loader, dex_file, class_def); |
| 433 | } |
| 434 | |
| 435 | // Does the runtime for the InstructionSet provide an implementation returned by |
| 436 | // GetQuickGenericJniStub allowing down calls that aren't compiled using a JNI compiler? |
| 437 | static bool InstructionSetHasGenericJniStub(InstructionSet isa) { |
| 438 | switch (isa) { |
Vladimir Marko | 33bff25 | 2017-11-01 14:35:42 +0000 | [diff] [blame] | 439 | case InstructionSet::kArm: |
| 440 | case InstructionSet::kArm64: |
| 441 | case InstructionSet::kThumb2: |
| 442 | case InstructionSet::kMips: |
| 443 | case InstructionSet::kMips64: |
| 444 | case InstructionSet::kX86: |
| 445 | case InstructionSet::kX86_64: return true; |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 446 | default: return false; |
| 447 | } |
| 448 | } |
| 449 | |
Andreas Gampe | 3c060ad | 2018-01-22 13:07:49 -0800 | [diff] [blame] | 450 | template <typename CompileFn> |
| 451 | static void CompileMethodHarness( |
| 452 | Thread* self, |
| 453 | CompilerDriver* driver, |
| 454 | const DexFile::CodeItem* code_item, |
| 455 | uint32_t access_flags, |
| 456 | InvokeType invoke_type, |
| 457 | uint16_t class_def_idx, |
| 458 | uint32_t method_idx, |
| 459 | Handle<mirror::ClassLoader> class_loader, |
| 460 | const DexFile& dex_file, |
| 461 | optimizer::DexToDexCompiler::CompilationLevel dex_to_dex_compilation_level, |
| 462 | bool compilation_enabled, |
| 463 | Handle<mirror::DexCache> dex_cache, |
| 464 | CompileFn compile_fn) { |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 465 | DCHECK(driver != nullptr); |
Andreas Gampe | 3c060ad | 2018-01-22 13:07:49 -0800 | [diff] [blame] | 466 | CompiledMethod* compiled_method; |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 467 | uint64_t start_ns = kTimeCompileMethod ? NanoTime() : 0; |
| 468 | MethodReference method_ref(&dex_file, method_idx); |
| 469 | |
Andreas Gampe | 3c060ad | 2018-01-22 13:07:49 -0800 | [diff] [blame] | 470 | compiled_method = compile_fn(self, |
| 471 | driver, |
| 472 | code_item, |
| 473 | access_flags, |
| 474 | invoke_type, |
| 475 | class_def_idx, |
| 476 | method_idx, |
| 477 | class_loader, |
| 478 | dex_file, |
| 479 | dex_to_dex_compilation_level, |
| 480 | compilation_enabled, |
| 481 | dex_cache); |
Igor Murashkin | 9d4b6da | 2016-07-29 09:51:58 -0700 | [diff] [blame] | 482 | |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 483 | if (kTimeCompileMethod) { |
| 484 | uint64_t duration_ns = NanoTime() - start_ns; |
| 485 | if (duration_ns > MsToNs(driver->GetCompiler()->GetMaximumCompilationTimeBeforeWarning())) { |
David Sehr | 709b070 | 2016-10-13 09:12:37 -0700 | [diff] [blame] | 486 | LOG(WARNING) << "Compilation of " << dex_file.PrettyMethod(method_idx) |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 487 | << " took " << PrettyDuration(duration_ns); |
| 488 | } |
| 489 | } |
| 490 | |
| 491 | if (compiled_method != nullptr) { |
| 492 | // Count non-relative linker patches. |
| 493 | size_t non_relative_linker_patch_count = 0u; |
Vladimir Marko | d8dbc8d | 2017-09-20 13:37:47 +0100 | [diff] [blame] | 494 | for (const linker::LinkerPatch& patch : compiled_method->GetPatches()) { |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 495 | if (!patch.IsPcRelative()) { |
| 496 | ++non_relative_linker_patch_count; |
| 497 | } |
| 498 | } |
| 499 | bool compile_pic = driver->GetCompilerOptions().GetCompilePic(); // Off by default |
| 500 | // When compiling with PIC, there should be zero non-relative linker patches |
| 501 | CHECK(!compile_pic || non_relative_linker_patch_count == 0u); |
| 502 | |
| 503 | driver->AddCompiledMethod(method_ref, compiled_method, non_relative_linker_patch_count); |
| 504 | } |
| 505 | |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 506 | if (self->IsExceptionPending()) { |
| 507 | ScopedObjectAccess soa(self); |
David Sehr | 709b070 | 2016-10-13 09:12:37 -0700 | [diff] [blame] | 508 | LOG(FATAL) << "Unexpected exception compiling: " << dex_file.PrettyMethod(method_idx) << "\n" |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 509 | << self->GetException()->Dump(); |
Sebastien Hertz | 7502122 | 2013-07-16 18:34:50 +0200 | [diff] [blame] | 510 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 511 | } |
| 512 | |
Andreas Gampe | 3c060ad | 2018-01-22 13:07:49 -0800 | [diff] [blame] | 513 | static void CompileMethodDex2Dex( |
| 514 | Thread* self, |
| 515 | CompilerDriver* driver, |
| 516 | const DexFile::CodeItem* code_item, |
| 517 | uint32_t access_flags, |
| 518 | InvokeType invoke_type, |
| 519 | uint16_t class_def_idx, |
| 520 | uint32_t method_idx, |
| 521 | Handle<mirror::ClassLoader> class_loader, |
| 522 | const DexFile& dex_file, |
| 523 | optimizer::DexToDexCompiler::CompilationLevel dex_to_dex_compilation_level, |
| 524 | bool compilation_enabled, |
| 525 | Handle<mirror::DexCache> dex_cache) { |
| 526 | auto dex_2_dex_fn = [](Thread* self ATTRIBUTE_UNUSED, |
| 527 | CompilerDriver* driver, |
| 528 | const DexFile::CodeItem* code_item, |
| 529 | uint32_t access_flags, |
| 530 | InvokeType invoke_type, |
| 531 | uint16_t class_def_idx, |
| 532 | uint32_t method_idx, |
| 533 | Handle<mirror::ClassLoader> class_loader, |
| 534 | const DexFile& dex_file, |
| 535 | optimizer::DexToDexCompiler::CompilationLevel dex_to_dex_compilation_level, |
| 536 | bool compilation_enabled ATTRIBUTE_UNUSED, |
| 537 | Handle<mirror::DexCache> dex_cache ATTRIBUTE_UNUSED) -> CompiledMethod* { |
| 538 | DCHECK(driver != nullptr); |
| 539 | MethodReference method_ref(&dex_file, method_idx); |
| 540 | |
| 541 | optimizer::DexToDexCompiler* const compiler = &driver->GetDexToDexCompiler(); |
| 542 | |
| 543 | if (compiler->ShouldCompileMethod(method_ref)) { |
| 544 | VerificationResults* results = driver->GetVerificationResults(); |
| 545 | DCHECK(results != nullptr); |
| 546 | const VerifiedMethod* verified_method = results->GetVerifiedMethod(method_ref); |
| 547 | // Do not optimize if a VerifiedMethod is missing. SafeCast elision, |
| 548 | // for example, relies on it. |
| 549 | return compiler->CompileMethod( |
| 550 | code_item, |
| 551 | access_flags, |
| 552 | invoke_type, |
| 553 | class_def_idx, |
| 554 | method_idx, |
| 555 | class_loader, |
| 556 | dex_file, |
| 557 | (verified_method != nullptr) |
| 558 | ? dex_to_dex_compilation_level |
| 559 | : optimizer::DexToDexCompiler::CompilationLevel::kDontDexToDexCompile); |
| 560 | } |
| 561 | return nullptr; |
| 562 | }; |
| 563 | CompileMethodHarness(self, |
| 564 | driver, |
| 565 | code_item, |
| 566 | access_flags, |
| 567 | invoke_type, |
| 568 | class_def_idx, |
| 569 | method_idx, |
| 570 | class_loader, |
| 571 | dex_file, |
| 572 | dex_to_dex_compilation_level, |
| 573 | compilation_enabled, |
| 574 | dex_cache, |
| 575 | dex_2_dex_fn); |
| 576 | } |
| 577 | |
| 578 | static void CompileMethodQuick( |
| 579 | Thread* self, |
| 580 | CompilerDriver* driver, |
| 581 | const DexFile::CodeItem* code_item, |
| 582 | uint32_t access_flags, |
| 583 | InvokeType invoke_type, |
| 584 | uint16_t class_def_idx, |
| 585 | uint32_t method_idx, |
| 586 | Handle<mirror::ClassLoader> class_loader, |
| 587 | const DexFile& dex_file, |
| 588 | optimizer::DexToDexCompiler::CompilationLevel dex_to_dex_compilation_level, |
| 589 | bool compilation_enabled, |
| 590 | Handle<mirror::DexCache> dex_cache) { |
| 591 | auto quick_fn = []( |
| 592 | Thread* self, |
| 593 | CompilerDriver* driver, |
| 594 | const DexFile::CodeItem* code_item, |
| 595 | uint32_t access_flags, |
| 596 | InvokeType invoke_type, |
| 597 | uint16_t class_def_idx, |
| 598 | uint32_t method_idx, |
| 599 | Handle<mirror::ClassLoader> class_loader, |
| 600 | const DexFile& dex_file, |
| 601 | optimizer::DexToDexCompiler::CompilationLevel dex_to_dex_compilation_level, |
| 602 | bool compilation_enabled, |
| 603 | Handle<mirror::DexCache> dex_cache) { |
| 604 | DCHECK(driver != nullptr); |
| 605 | CompiledMethod* compiled_method = nullptr; |
| 606 | MethodReference method_ref(&dex_file, method_idx); |
| 607 | |
| 608 | if ((access_flags & kAccNative) != 0) { |
| 609 | // Are we extracting only and have support for generic JNI down calls? |
| 610 | if (!driver->GetCompilerOptions().IsJniCompilationEnabled() && |
| 611 | InstructionSetHasGenericJniStub(driver->GetInstructionSet())) { |
| 612 | // Leaving this empty will trigger the generic JNI version |
| 613 | } else { |
| 614 | // Query any JNI optimization annotations such as @FastNative or @CriticalNative. |
| 615 | access_flags |= annotations::GetNativeMethodAnnotationAccessFlags( |
| 616 | dex_file, dex_file.GetClassDef(class_def_idx), method_idx); |
| 617 | |
| 618 | compiled_method = driver->GetCompiler()->JniCompile( |
| 619 | access_flags, method_idx, dex_file, dex_cache); |
| 620 | CHECK(compiled_method != nullptr); |
| 621 | } |
| 622 | } else if ((access_flags & kAccAbstract) != 0) { |
| 623 | // Abstract methods don't have code. |
| 624 | } else { |
| 625 | VerificationResults* results = driver->GetVerificationResults(); |
| 626 | DCHECK(results != nullptr); |
| 627 | const VerifiedMethod* verified_method = results->GetVerifiedMethod(method_ref); |
| 628 | bool compile = compilation_enabled && |
| 629 | // Basic checks, e.g., not <clinit>. |
| 630 | results->IsCandidateForCompilation(method_ref, access_flags) && |
| 631 | // Did not fail to create VerifiedMethod metadata. |
| 632 | verified_method != nullptr && |
| 633 | // Do not have failures that should punt to the interpreter. |
| 634 | !verified_method->HasRuntimeThrow() && |
| 635 | (verified_method->GetEncounteredVerificationFailures() & |
| 636 | (verifier::VERIFY_ERROR_FORCE_INTERPRETER | verifier::VERIFY_ERROR_LOCKING)) == 0 && |
| 637 | // Is eligable for compilation by methods-to-compile filter. |
Andreas Gampe | 3c060ad | 2018-01-22 13:07:49 -0800 | [diff] [blame] | 638 | driver->ShouldCompileBasedOnProfile(method_ref); |
| 639 | |
| 640 | if (compile) { |
| 641 | // NOTE: if compiler declines to compile this method, it will return null. |
| 642 | compiled_method = driver->GetCompiler()->Compile(code_item, |
| 643 | access_flags, |
| 644 | invoke_type, |
| 645 | class_def_idx, |
| 646 | method_idx, |
| 647 | class_loader, |
| 648 | dex_file, |
| 649 | dex_cache); |
| 650 | } |
| 651 | if (compiled_method == nullptr && |
| 652 | dex_to_dex_compilation_level != |
| 653 | optimizer::DexToDexCompiler::CompilationLevel::kDontDexToDexCompile) { |
| 654 | DCHECK(!Runtime::Current()->UseJitCompilation()); |
| 655 | // TODO: add a command-line option to disable DEX-to-DEX compilation ? |
Mathieu Chartier | 279e3a3 | 2018-01-24 18:17:55 -0800 | [diff] [blame] | 656 | driver->GetDexToDexCompiler().MarkForCompilation(self, method_ref); |
Andreas Gampe | 3c060ad | 2018-01-22 13:07:49 -0800 | [diff] [blame] | 657 | } |
| 658 | } |
| 659 | return compiled_method; |
| 660 | }; |
| 661 | CompileMethodHarness(self, |
| 662 | driver, |
| 663 | code_item, |
| 664 | access_flags, |
| 665 | invoke_type, |
| 666 | class_def_idx, |
| 667 | method_idx, |
| 668 | class_loader, |
| 669 | dex_file, |
| 670 | dex_to_dex_compilation_level, |
| 671 | compilation_enabled, |
| 672 | dex_cache, |
| 673 | quick_fn); |
| 674 | } |
| 675 | |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 676 | void CompilerDriver::CompileOne(Thread* self, ArtMethod* method, TimingLogger* timings) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 677 | DCHECK(!Runtime::Current()->IsStarted()); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 678 | jobject jclass_loader; |
| 679 | const DexFile* dex_file; |
Ian Rogers | 8b2c0b9 | 2013-09-19 02:56:49 -0700 | [diff] [blame] | 680 | uint16_t class_def_idx; |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 681 | uint32_t method_idx = method->GetDexMethodIndex(); |
| 682 | uint32_t access_flags = method->GetAccessFlags(); |
| 683 | InvokeType invoke_type = method->GetInvokeType(); |
Vladimir Marko | 8d6768d | 2017-03-14 10:13:21 +0000 | [diff] [blame] | 684 | StackHandleScope<2> hs(self); |
Mathieu Chartier | 736b560 | 2015-09-02 14:54:11 -0700 | [diff] [blame] | 685 | Handle<mirror::DexCache> dex_cache(hs.NewHandle(method->GetDexCache())); |
Vladimir Marko | 8d6768d | 2017-03-14 10:13:21 +0000 | [diff] [blame] | 686 | Handle<mirror::ClassLoader> class_loader( |
| 687 | hs.NewHandle(method->GetDeclaringClass()->GetClassLoader())); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 688 | { |
| 689 | ScopedObjectAccessUnchecked soa(self); |
Mathieu Chartier | e5f13e5 | 2015-02-24 09:37:21 -0800 | [diff] [blame] | 690 | ScopedLocalRef<jobject> local_class_loader( |
Vladimir Marko | 8d6768d | 2017-03-14 10:13:21 +0000 | [diff] [blame] | 691 | soa.Env(), soa.AddLocalReference<jobject>(class_loader.Get())); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 692 | jclass_loader = soa.Env()->NewGlobalRef(local_class_loader.get()); |
| 693 | // Find the dex_file |
Mathieu Chartier | bfd9a43 | 2014-05-21 17:43:44 -0700 | [diff] [blame] | 694 | dex_file = method->GetDexFile(); |
| 695 | class_def_idx = method->GetClassDefIndex(); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 696 | } |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 697 | const DexFile::CodeItem* code_item = dex_file->GetCodeItem(method->GetCodeItemOffset()); |
Mathieu Chartier | 736b560 | 2015-09-02 14:54:11 -0700 | [diff] [blame] | 698 | |
| 699 | // Go to native so that we don't block GC during compilation. |
Mathieu Chartier | f1d666e | 2015-09-03 16:13:34 -0700 | [diff] [blame] | 700 | ScopedThreadSuspension sts(self, kNative); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 701 | |
| 702 | std::vector<const DexFile*> dex_files; |
| 703 | dex_files.push_back(dex_file); |
| 704 | |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 705 | InitializeThreadPools(); |
| 706 | |
Nicolas Geoffray | b0bbe8e | 2016-11-19 10:42:37 +0000 | [diff] [blame] | 707 | PreCompile(jclass_loader, dex_files, timings); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 708 | |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 709 | // Can we run DEX-to-DEX compiler on this class ? |
Mathieu Chartier | a79efdb | 2018-01-18 16:31:01 -0800 | [diff] [blame] | 710 | optimizer::DexToDexCompiler::CompilationLevel dex_to_dex_compilation_level = |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 711 | GetDexToDexCompilationLevel(self, |
| 712 | *this, |
| 713 | jclass_loader, |
| 714 | *dex_file, |
| 715 | dex_file->GetClassDef(class_def_idx)); |
| 716 | |
Andreas Gampe | 3c060ad | 2018-01-22 13:07:49 -0800 | [diff] [blame] | 717 | CompileMethodQuick(self, |
| 718 | this, |
| 719 | code_item, |
| 720 | access_flags, |
| 721 | invoke_type, |
| 722 | class_def_idx, |
| 723 | method_idx, |
| 724 | class_loader, |
| 725 | *dex_file, |
| 726 | dex_to_dex_compilation_level, |
| 727 | true, |
| 728 | dex_cache); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 729 | |
Mathieu Chartier | 279e3a3 | 2018-01-24 18:17:55 -0800 | [diff] [blame] | 730 | const size_t num_methods = dex_to_dex_compiler_.NumCodeItemsToQuicken(self); |
Mathieu Chartier | a79efdb | 2018-01-18 16:31:01 -0800 | [diff] [blame] | 731 | if (num_methods != 0) { |
| 732 | DCHECK_EQ(num_methods, 1u); |
Andreas Gampe | 3c060ad | 2018-01-22 13:07:49 -0800 | [diff] [blame] | 733 | CompileMethodDex2Dex(self, |
| 734 | this, |
| 735 | code_item, |
| 736 | access_flags, |
| 737 | invoke_type, |
| 738 | class_def_idx, |
| 739 | method_idx, |
| 740 | class_loader, |
| 741 | *dex_file, |
| 742 | dex_to_dex_compilation_level, |
| 743 | true, |
| 744 | dex_cache); |
Mathieu Chartier | a79efdb | 2018-01-18 16:31:01 -0800 | [diff] [blame] | 745 | dex_to_dex_compiler_.ClearState(); |
Vladimir Marko | 492a7fa | 2016-06-01 18:38:43 +0100 | [diff] [blame] | 746 | } |
| 747 | |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 748 | FreeThreadPools(); |
| 749 | |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 750 | self->GetJniEnv()->DeleteGlobalRef(jclass_loader); |
Mathieu Chartier | 2535abe | 2015-02-17 10:38:49 -0800 | [diff] [blame] | 751 | } |
| 752 | |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 753 | void CompilerDriver::Resolve(jobject class_loader, |
| 754 | const std::vector<const DexFile*>& dex_files, |
| 755 | TimingLogger* timings) { |
| 756 | // Resolution allocates classes and needs to run single-threaded to be deterministic. |
| 757 | bool force_determinism = GetCompilerOptions().IsForceDeterminism(); |
| 758 | ThreadPool* resolve_thread_pool = force_determinism |
| 759 | ? single_thread_pool_.get() |
| 760 | : parallel_thread_pool_.get(); |
| 761 | size_t resolve_thread_count = force_determinism ? 1U : parallel_thread_count_; |
| 762 | |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 763 | for (size_t i = 0; i != dex_files.size(); ++i) { |
| 764 | const DexFile* dex_file = dex_files[i]; |
Kenny Root | d518534 | 2014-05-13 14:47:05 -0700 | [diff] [blame] | 765 | CHECK(dex_file != nullptr); |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 766 | ResolveDexFile(class_loader, |
| 767 | *dex_file, |
| 768 | dex_files, |
| 769 | resolve_thread_pool, |
| 770 | resolve_thread_count, |
| 771 | timings); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 772 | } |
| 773 | } |
| 774 | |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 775 | static void ResolveConstStrings(CompilerDriver* driver, |
| 776 | const std::vector<const DexFile*>& dex_files, |
| 777 | TimingLogger* timings) { |
Nicolas Geoffray | 571d234 | 2016-10-12 13:03:15 +0000 | [diff] [blame] | 778 | ScopedObjectAccess soa(Thread::Current()); |
| 779 | StackHandleScope<1> hs(soa.Self()); |
| 780 | ClassLinker* const class_linker = Runtime::Current()->GetClassLinker(); |
| 781 | MutableHandle<mirror::DexCache> dex_cache(hs.NewHandle<mirror::DexCache>(nullptr)); |
| 782 | |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 783 | for (const DexFile* dex_file : dex_files) { |
Vladimir Marko | cd556b0 | 2017-02-03 11:47:34 +0000 | [diff] [blame] | 784 | dex_cache.Assign(class_linker->FindDexCache(soa.Self(), *dex_file)); |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 785 | TimingLogger::ScopedTiming t("Resolve const-string Strings", timings); |
| 786 | |
Mathieu Chartier | c8c8d5f | 2018-05-22 11:56:14 -0700 | [diff] [blame] | 787 | for (ClassAccessor accessor : dex_file->GetClasses()) { |
| 788 | if (!driver->IsClassToCompile(accessor.GetDescriptor())) { |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 789 | // Compilation is skipped, do not resolve const-string in code of this class. |
Vladimir Marko | 175e786 | 2018-03-27 09:03:13 +0000 | [diff] [blame] | 790 | // FIXME: Make sure that inlining honors this. b/26687569 |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 791 | continue; |
| 792 | } |
Mathieu Chartier | 0d896bd | 2018-05-25 00:20:27 -0700 | [diff] [blame] | 793 | for (const ClassAccessor::Method& method : accessor.GetMethods()) { |
Mathieu Chartier | c8c8d5f | 2018-05-22 11:56:14 -0700 | [diff] [blame] | 794 | // Resolve const-strings in the code. Done to have deterministic allocation behavior. Right |
| 795 | // now this is single-threaded for simplicity. |
| 796 | // TODO: Collect the relevant string indices in parallel, then allocate them sequentially |
| 797 | // in a stable order. |
| 798 | for (const DexInstructionPcPair& inst : method.GetInstructions()) { |
| 799 | switch (inst->Opcode()) { |
| 800 | case Instruction::CONST_STRING: |
| 801 | case Instruction::CONST_STRING_JUMBO: { |
| 802 | dex::StringIndex string_index((inst->Opcode() == Instruction::CONST_STRING) |
| 803 | ? inst->VRegB_21c() |
| 804 | : inst->VRegB_31c()); |
| 805 | ObjPtr<mirror::String> string = class_linker->ResolveString(string_index, dex_cache); |
| 806 | CHECK(string != nullptr) << "Could not allocate a string when forcing determinism"; |
| 807 | break; |
| 808 | } |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 809 | |
Mathieu Chartier | c8c8d5f | 2018-05-22 11:56:14 -0700 | [diff] [blame] | 810 | default: |
| 811 | break; |
| 812 | } |
| 813 | } |
Mathieu Chartier | 0d896bd | 2018-05-25 00:20:27 -0700 | [diff] [blame] | 814 | } |
Vladimir Marko | 175e786 | 2018-03-27 09:03:13 +0000 | [diff] [blame] | 815 | } |
| 816 | } |
| 817 | } |
| 818 | |
| 819 | // Initialize type check bit strings for check-cast and instance-of in the code. Done to have |
| 820 | // deterministic allocation behavior. Right now this is single-threaded for simplicity. |
| 821 | // TODO: Collect the relevant type indices in parallel, then process them sequentially in a |
| 822 | // stable order. |
| 823 | |
| 824 | static void InitializeTypeCheckBitstrings(CompilerDriver* driver, |
| 825 | ClassLinker* class_linker, |
| 826 | Handle<mirror::DexCache> dex_cache, |
| 827 | const DexFile& dex_file, |
Mathieu Chartier | c8c8d5f | 2018-05-22 11:56:14 -0700 | [diff] [blame] | 828 | const ClassAccessor::Method& method) |
Vladimir Marko | 175e786 | 2018-03-27 09:03:13 +0000 | [diff] [blame] | 829 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Mathieu Chartier | c8c8d5f | 2018-05-22 11:56:14 -0700 | [diff] [blame] | 830 | for (const DexInstructionPcPair& inst : method.GetInstructions()) { |
Vladimir Marko | 175e786 | 2018-03-27 09:03:13 +0000 | [diff] [blame] | 831 | switch (inst->Opcode()) { |
| 832 | case Instruction::CHECK_CAST: |
| 833 | case Instruction::INSTANCE_OF: { |
| 834 | dex::TypeIndex type_index( |
| 835 | (inst->Opcode() == Instruction::CHECK_CAST) ? inst->VRegB_21c() : inst->VRegC_22c()); |
| 836 | const char* descriptor = dex_file.StringByTypeIdx(type_index); |
| 837 | // We currently do not use the bitstring type check for array or final (including |
| 838 | // primitive) classes. We may reconsider this in future if it's deemed to be beneficial. |
| 839 | // And we cannot use it for classes outside the boot image as we do not know the runtime |
| 840 | // value of their bitstring when compiling (it may not even get assigned at runtime). |
| 841 | if (descriptor[0] == 'L' && driver->IsImageClass(descriptor)) { |
| 842 | ObjPtr<mirror::Class> klass = |
| 843 | class_linker->LookupResolvedType(type_index, |
| 844 | dex_cache.Get(), |
| 845 | /* class_loader */ nullptr); |
| 846 | CHECK(klass != nullptr) << descriptor << " should have been previously resolved."; |
| 847 | // Now assign the bitstring if the class is not final. Keep this in sync with sharpening. |
| 848 | if (!klass->IsFinal()) { |
| 849 | MutexLock subtype_check_lock(Thread::Current(), *Locks::subtype_check_lock_); |
| 850 | SubtypeCheck<ObjPtr<mirror::Class>>::EnsureAssigned(klass); |
| 851 | } |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 852 | } |
Vladimir Marko | 175e786 | 2018-03-27 09:03:13 +0000 | [diff] [blame] | 853 | break; |
| 854 | } |
| 855 | |
| 856 | default: |
| 857 | break; |
| 858 | } |
| 859 | } |
| 860 | } |
| 861 | |
| 862 | static void InitializeTypeCheckBitstrings(CompilerDriver* driver, |
| 863 | const std::vector<const DexFile*>& dex_files, |
| 864 | TimingLogger* timings) { |
| 865 | ScopedObjectAccess soa(Thread::Current()); |
| 866 | StackHandleScope<1> hs(soa.Self()); |
| 867 | ClassLinker* const class_linker = Runtime::Current()->GetClassLinker(); |
| 868 | MutableHandle<mirror::DexCache> dex_cache(hs.NewHandle<mirror::DexCache>(nullptr)); |
| 869 | |
| 870 | for (const DexFile* dex_file : dex_files) { |
| 871 | dex_cache.Assign(class_linker->FindDexCache(soa.Self(), *dex_file)); |
| 872 | TimingLogger::ScopedTiming t("Initialize type check bitstrings", timings); |
| 873 | |
Mathieu Chartier | c8c8d5f | 2018-05-22 11:56:14 -0700 | [diff] [blame] | 874 | for (ClassAccessor accessor : dex_file->GetClasses()) { |
| 875 | if (!driver->IsClassToCompile(accessor.GetDescriptor())) { |
Vladimir Marko | 175e786 | 2018-03-27 09:03:13 +0000 | [diff] [blame] | 876 | // Compilation is skipped, do not look for type checks in code of this class. |
| 877 | // FIXME: Make sure that inlining honors this. b/26687569 |
| 878 | continue; |
| 879 | } |
| 880 | |
| 881 | // Direct and virtual methods. |
Mathieu Chartier | 0d896bd | 2018-05-25 00:20:27 -0700 | [diff] [blame] | 882 | for (const ClassAccessor::Method& method : accessor.GetMethods()) { |
Mathieu Chartier | c8c8d5f | 2018-05-22 11:56:14 -0700 | [diff] [blame] | 883 | InitializeTypeCheckBitstrings(driver, class_linker, dex_cache, *dex_file, method); |
Mathieu Chartier | 0d896bd | 2018-05-25 00:20:27 -0700 | [diff] [blame] | 884 | } |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 885 | } |
| 886 | } |
| 887 | } |
| 888 | |
| 889 | inline void CompilerDriver::CheckThreadPools() { |
| 890 | DCHECK(parallel_thread_pool_ != nullptr); |
| 891 | DCHECK(single_thread_pool_ != nullptr); |
| 892 | } |
| 893 | |
Nicolas Geoffray | 0a27fd0 | 2017-01-25 16:18:54 +0000 | [diff] [blame] | 894 | static void EnsureVerifiedOrVerifyAtRuntime(jobject jclass_loader, |
| 895 | const std::vector<const DexFile*>& dex_files) { |
| 896 | ScopedObjectAccess soa(Thread::Current()); |
| 897 | StackHandleScope<2> hs(soa.Self()); |
| 898 | Handle<mirror::ClassLoader> class_loader( |
| 899 | hs.NewHandle(soa.Decode<mirror::ClassLoader>(jclass_loader))); |
| 900 | MutableHandle<mirror::Class> cls(hs.NewHandle<mirror::Class>(nullptr)); |
| 901 | ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); |
| 902 | |
| 903 | for (const DexFile* dex_file : dex_files) { |
Mathieu Chartier | c8c8d5f | 2018-05-22 11:56:14 -0700 | [diff] [blame] | 904 | for (ClassAccessor accessor : dex_file->GetClasses()) { |
| 905 | cls.Assign(class_linker->FindClass(soa.Self(), accessor.GetDescriptor(), class_loader)); |
Andreas Gampe | fa4333d | 2017-02-14 11:10:34 -0800 | [diff] [blame] | 906 | if (cls == nullptr) { |
Nicolas Geoffray | 0a27fd0 | 2017-01-25 16:18:54 +0000 | [diff] [blame] | 907 | soa.Self()->ClearException(); |
| 908 | } else if (&cls->GetDexFile() == dex_file) { |
Nicolas Geoffray | 7cc3ae5 | 2017-03-07 14:33:37 +0000 | [diff] [blame] | 909 | DCHECK(cls->IsErroneous() || cls->IsVerified() || cls->ShouldVerifyAtRuntime()) |
Nicolas Geoffray | 0a27fd0 | 2017-01-25 16:18:54 +0000 | [diff] [blame] | 910 | << cls->PrettyClass() |
| 911 | << " " << cls->GetStatus(); |
| 912 | } |
| 913 | } |
| 914 | } |
| 915 | } |
| 916 | |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 917 | void CompilerDriver::PreCompile(jobject class_loader, |
| 918 | const std::vector<const DexFile*>& dex_files, |
| 919 | TimingLogger* timings) { |
| 920 | CheckThreadPools(); |
| 921 | |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 922 | LoadImageClasses(timings); |
Andreas Gampe | 8d295f8 | 2015-01-20 14:50:21 -0800 | [diff] [blame] | 923 | VLOG(compiler) << "LoadImageClasses: " << GetMemoryUsageString(false); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 924 | |
Nicolas Geoffray | 49cda06 | 2017-04-21 13:08:25 +0100 | [diff] [blame] | 925 | if (compiler_options_->IsAnyCompilationEnabled()) { |
Mathieu Chartier | 88b74b6 | 2017-07-16 17:08:19 -0700 | [diff] [blame] | 926 | // Avoid adding the dex files in the case where we aren't going to add compiled methods. |
| 927 | // This reduces RAM usage for this case. |
| 928 | for (const DexFile* dex_file : dex_files) { |
| 929 | // Can be already inserted if the caller is CompileOne. This happens for gtests. |
| 930 | if (!compiled_methods_.HaveDexFile(dex_file)) { |
Mathieu Chartier | fc8b422 | 2017-09-17 13:44:24 -0700 | [diff] [blame] | 931 | compiled_methods_.AddDexFile(dex_file); |
Mathieu Chartier | 88b74b6 | 2017-07-16 17:08:19 -0700 | [diff] [blame] | 932 | } |
| 933 | } |
Nicolas Geoffray | 49cda06 | 2017-04-21 13:08:25 +0100 | [diff] [blame] | 934 | // Resolve eagerly to prepare for compilation. |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 935 | Resolve(class_loader, dex_files, timings); |
Mathieu Chartier | e86deef | 2015-03-19 13:43:37 -0700 | [diff] [blame] | 936 | VLOG(compiler) << "Resolve: " << GetMemoryUsageString(false); |
| 937 | } |
| 938 | |
Nicolas Geoffray | 60ca949 | 2016-12-20 21:15:00 +0000 | [diff] [blame] | 939 | if (compiler_options_->AssumeClassesAreVerified()) { |
Mathieu Chartier | ab972ef | 2014-12-03 17:38:22 -0800 | [diff] [blame] | 940 | VLOG(compiler) << "Verify none mode specified, skipping verification."; |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 941 | SetVerified(class_loader, dex_files, timings); |
Mathieu Chartier | e86deef | 2015-03-19 13:43:37 -0700 | [diff] [blame] | 942 | } |
| 943 | |
Nicolas Geoffray | 60ca949 | 2016-12-20 21:15:00 +0000 | [diff] [blame] | 944 | if (!compiler_options_->IsVerificationEnabled()) { |
Jeff Hao | 4a200f5 | 2014-04-01 14:58:49 -0700 | [diff] [blame] | 945 | return; |
| 946 | } |
| 947 | |
Vladimir Marko | aad75c6 | 2016-10-03 08:46:48 +0000 | [diff] [blame] | 948 | if (GetCompilerOptions().IsForceDeterminism() && GetCompilerOptions().IsBootImage()) { |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 949 | // Resolve strings from const-string. Do this now to have a deterministic image. |
| 950 | ResolveConstStrings(this, dex_files, timings); |
| 951 | VLOG(compiler) << "Resolve const-strings: " << GetMemoryUsageString(false); |
| 952 | } |
| 953 | |
Nicolas Geoffray | b0bbe8e | 2016-11-19 10:42:37 +0000 | [diff] [blame] | 954 | Verify(class_loader, dex_files, timings); |
Andreas Gampe | 8d295f8 | 2015-01-20 14:50:21 -0800 | [diff] [blame] | 955 | VLOG(compiler) << "Verify: " << GetMemoryUsageString(false); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 956 | |
Andreas Gampe | 6cf49e5 | 2015-03-05 13:08:45 -0800 | [diff] [blame] | 957 | if (had_hard_verifier_failure_ && GetCompilerOptions().AbortOnHardVerifierFailure()) { |
Andreas Gampe | fdfb4d4 | 2017-07-27 12:12:22 -0700 | [diff] [blame] | 958 | // Avoid dumping threads. Even if we shut down the thread pools, there will still be three |
| 959 | // instances of this thread's stack. |
| 960 | LOG(FATAL_WITHOUT_ABORT) << "Had a hard failure verifying all classes, and was asked to abort " |
| 961 | << "in such situations. Please check the log."; |
Andreas Gampe | 56c9b7c | 2018-02-27 18:49:26 -0800 | [diff] [blame] | 962 | _exit(1); |
Andreas Gampe | f39208f | 2017-10-19 15:06:59 -0700 | [diff] [blame] | 963 | } else if (number_of_soft_verifier_failures_ > 0 && |
| 964 | GetCompilerOptions().AbortOnSoftVerifierFailure()) { |
| 965 | LOG(FATAL_WITHOUT_ABORT) << "Had " << number_of_soft_verifier_failures_ << " soft failure(s) " |
| 966 | << "verifying all classes, and was asked to abort in such situations. " |
| 967 | << "Please check the log."; |
Andreas Gampe | 56c9b7c | 2018-02-27 18:49:26 -0800 | [diff] [blame] | 968 | _exit(1); |
Andreas Gampe | 6cf49e5 | 2015-03-05 13:08:45 -0800 | [diff] [blame] | 969 | } |
| 970 | |
Nicolas Geoffray | 49cda06 | 2017-04-21 13:08:25 +0100 | [diff] [blame] | 971 | if (compiler_options_->IsAnyCompilationEnabled()) { |
Nicolas Geoffray | 0a27fd0 | 2017-01-25 16:18:54 +0000 | [diff] [blame] | 972 | if (kIsDebugBuild) { |
| 973 | EnsureVerifiedOrVerifyAtRuntime(class_loader, dex_files); |
| 974 | } |
Nicolas Geoffray | ade72d6 | 2016-12-15 13:20:02 +0000 | [diff] [blame] | 975 | InitializeClasses(class_loader, dex_files, timings); |
| 976 | VLOG(compiler) << "InitializeClasses: " << GetMemoryUsageString(false); |
| 977 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 978 | |
| 979 | UpdateImageClasses(timings); |
Andreas Gampe | 8d295f8 | 2015-01-20 14:50:21 -0800 | [diff] [blame] | 980 | VLOG(compiler) << "UpdateImageClasses: " << GetMemoryUsageString(false); |
Vladimir Marko | 175e786 | 2018-03-27 09:03:13 +0000 | [diff] [blame] | 981 | |
| 982 | if (kBitstringSubtypeCheckEnabled && |
| 983 | GetCompilerOptions().IsForceDeterminism() && GetCompilerOptions().IsBootImage()) { |
| 984 | // Initialize type check bit string used by check-cast and instanceof. |
| 985 | // Do this now to have a deterministic image. |
| 986 | // Note: This is done after UpdateImageClasses() at it relies on the image classes to be final. |
| 987 | InitializeTypeCheckBitstrings(this, dex_files, timings); |
| 988 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 989 | } |
| 990 | |
Ian Rogers | dfb325e | 2013-10-30 01:00:44 -0700 | [diff] [blame] | 991 | bool CompilerDriver::IsImageClass(const char* descriptor) const { |
Mathieu Chartier | c5dd319 | 2015-12-09 16:38:30 -0800 | [diff] [blame] | 992 | if (image_classes_ != nullptr) { |
| 993 | // If we have a set of image classes, use those. |
Ian Rogers | dfb325e | 2013-10-30 01:00:44 -0700 | [diff] [blame] | 994 | return image_classes_->find(descriptor) != image_classes_->end(); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 995 | } |
Mathieu Chartier | c5dd319 | 2015-12-09 16:38:30 -0800 | [diff] [blame] | 996 | // No set of image classes, assume we include all the classes. |
| 997 | // NOTE: Currently only reachable from InitImageMethodVisitor for the app image case. |
Vladimir Marko | aad75c6 | 2016-10-03 08:46:48 +0000 | [diff] [blame] | 998 | return !GetCompilerOptions().IsBootImage(); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 999 | } |
| 1000 | |
Andreas Gampe | 4bf3ae9 | 2014-11-11 13:28:29 -0800 | [diff] [blame] | 1001 | bool CompilerDriver::IsClassToCompile(const char* descriptor) const { |
Andreas Gampe | b1fcead | 2015-04-20 18:53:51 -0700 | [diff] [blame] | 1002 | if (classes_to_compile_ == nullptr) { |
| 1003 | return true; |
| 1004 | } |
| 1005 | return classes_to_compile_->find(descriptor) != classes_to_compile_->end(); |
Andreas Gampe | 4bf3ae9 | 2014-11-11 13:28:29 -0800 | [diff] [blame] | 1006 | } |
| 1007 | |
Calin Juravle | 226501b | 2015-12-11 14:41:31 +0000 | [diff] [blame] | 1008 | bool CompilerDriver::ShouldCompileBasedOnProfile(const MethodReference& method_ref) const { |
Mathieu Chartier | 97ab5e3 | 2017-02-22 13:35:44 -0800 | [diff] [blame] | 1009 | // Profile compilation info may be null if no profile is passed. |
Mathieu Chartier | d0af56c | 2017-02-17 12:56:25 -0800 | [diff] [blame] | 1010 | if (!CompilerFilter::DependsOnProfile(compiler_options_->GetCompilerFilter())) { |
| 1011 | // Use the compiler filter instead of the presence of profile_compilation_info_ since |
| 1012 | // 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] | 1013 | return true; |
| 1014 | } |
Mathieu Chartier | 97ab5e3 | 2017-02-22 13:35:44 -0800 | [diff] [blame] | 1015 | // If we are using a profile filter but do not have a profile compilation info, compile nothing. |
| 1016 | if (profile_compilation_info_ == nullptr) { |
| 1017 | return false; |
| 1018 | } |
Mathieu Chartier | 7b135c8 | 2017-06-05 12:54:01 -0700 | [diff] [blame] | 1019 | // Compile only hot methods, it is the profile saver's job to decide what startup methods to mark |
| 1020 | // as hot. |
Mathieu Chartier | bbe3a5e | 2017-06-13 16:36:17 -0700 | [diff] [blame] | 1021 | bool result = profile_compilation_info_->GetMethodHotness(method_ref).IsHot(); |
Calin Juravle | 226501b | 2015-12-11 14:41:31 +0000 | [diff] [blame] | 1022 | |
| 1023 | if (kDebugProfileGuidedCompilation) { |
| 1024 | LOG(INFO) << "[ProfileGuidedCompilation] " |
Mathieu Chartier | fc8b422 | 2017-09-17 13:44:24 -0700 | [diff] [blame] | 1025 | << (result ? "Compiled" : "Skipped") << " method:" << method_ref.PrettyMethod(true); |
Calin Juravle | 226501b | 2015-12-11 14:41:31 +0000 | [diff] [blame] | 1026 | } |
| 1027 | return result; |
| 1028 | } |
| 1029 | |
Mathieu Chartier | e0671ce | 2015-07-28 17:23:28 -0700 | [diff] [blame] | 1030 | class ResolveCatchBlockExceptionsClassVisitor : public ClassVisitor { |
| 1031 | public: |
Vladimir Marko | 8d6768d | 2017-03-14 10:13:21 +0000 | [diff] [blame] | 1032 | ResolveCatchBlockExceptionsClassVisitor() : classes_() {} |
Mathieu Chartier | e0671ce | 2015-07-28 17:23:28 -0700 | [diff] [blame] | 1033 | |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 1034 | 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] | 1035 | classes_.push_back(c); |
Mathieu Chartier | e4275c0 | 2015-08-06 15:34:15 -0700 | [diff] [blame] | 1036 | return true; |
| 1037 | } |
| 1038 | |
Vladimir Marko | 8d6768d | 2017-03-14 10:13:21 +0000 | [diff] [blame] | 1039 | void FindExceptionTypesToResolve( |
| 1040 | std::set<std::pair<dex::TypeIndex, const DexFile*>>* exceptions_to_resolve) |
Vladimir Marko | bfb80d2 | 2017-02-14 14:08:12 +0000 | [diff] [blame] | 1041 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Vladimir Marko | 8d6768d | 2017-03-14 10:13:21 +0000 | [diff] [blame] | 1042 | const auto pointer_size = Runtime::Current()->GetClassLinker()->GetImagePointerSize(); |
| 1043 | for (ObjPtr<mirror::Class> klass : classes_) { |
| 1044 | for (ArtMethod& method : klass->GetMethods(pointer_size)) { |
| 1045 | FindExceptionTypesToResolveForMethod(&method, exceptions_to_resolve); |
| 1046 | } |
| 1047 | } |
| 1048 | } |
| 1049 | |
| 1050 | private: |
| 1051 | void FindExceptionTypesToResolveForMethod( |
| 1052 | ArtMethod* method, |
| 1053 | std::set<std::pair<dex::TypeIndex, const DexFile*>>* exceptions_to_resolve) |
| 1054 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Mathieu Chartier | 808c7a5 | 2017-12-15 11:19:33 -0800 | [diff] [blame] | 1055 | if (method->GetCodeItem() == nullptr) { |
Mathieu Chartier | e0671ce | 2015-07-28 17:23:28 -0700 | [diff] [blame] | 1056 | return; // native or abstract method |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1057 | } |
David Sehr | 0225f8e | 2018-01-31 08:52:24 +0000 | [diff] [blame] | 1058 | CodeItemDataAccessor accessor(method->DexInstructionData()); |
Mathieu Chartier | 808c7a5 | 2017-12-15 11:19:33 -0800 | [diff] [blame] | 1059 | if (accessor.TriesSize() == 0) { |
Mathieu Chartier | e0671ce | 2015-07-28 17:23:28 -0700 | [diff] [blame] | 1060 | return; // nothing to process |
| 1061 | } |
Mathieu Chartier | 808c7a5 | 2017-12-15 11:19:33 -0800 | [diff] [blame] | 1062 | const uint8_t* encoded_catch_handler_list = accessor.GetCatchHandlerData(); |
Mathieu Chartier | e0671ce | 2015-07-28 17:23:28 -0700 | [diff] [blame] | 1063 | size_t num_encoded_catch_handlers = DecodeUnsignedLeb128(&encoded_catch_handler_list); |
| 1064 | for (size_t i = 0; i < num_encoded_catch_handlers; i++) { |
| 1065 | int32_t encoded_catch_handler_size = DecodeSignedLeb128(&encoded_catch_handler_list); |
| 1066 | bool has_catch_all = false; |
| 1067 | if (encoded_catch_handler_size <= 0) { |
| 1068 | encoded_catch_handler_size = -encoded_catch_handler_size; |
| 1069 | has_catch_all = true; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1070 | } |
Mathieu Chartier | e0671ce | 2015-07-28 17:23:28 -0700 | [diff] [blame] | 1071 | for (int32_t j = 0; j < encoded_catch_handler_size; j++) { |
Andreas Gampe | a5b09a6 | 2016-11-17 15:21:22 -0800 | [diff] [blame] | 1072 | dex::TypeIndex encoded_catch_handler_handlers_type_idx = |
| 1073 | dex::TypeIndex(DecodeUnsignedLeb128(&encoded_catch_handler_list)); |
Mathieu Chartier | e0671ce | 2015-07-28 17:23:28 -0700 | [diff] [blame] | 1074 | // 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] | 1075 | if (!method->IsResolvedTypeIdx(encoded_catch_handler_handlers_type_idx)) { |
| 1076 | exceptions_to_resolve->emplace(encoded_catch_handler_handlers_type_idx, |
| 1077 | method->GetDexFile()); |
Mathieu Chartier | e0671ce | 2015-07-28 17:23:28 -0700 | [diff] [blame] | 1078 | } |
| 1079 | // ignore address associated with catch handler |
| 1080 | DecodeUnsignedLeb128(&encoded_catch_handler_list); |
| 1081 | } |
| 1082 | if (has_catch_all) { |
| 1083 | // ignore catch all address |
| 1084 | DecodeUnsignedLeb128(&encoded_catch_handler_list); |
| 1085 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1086 | } |
| 1087 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1088 | |
Vladimir Marko | 8d6768d | 2017-03-14 10:13:21 +0000 | [diff] [blame] | 1089 | std::vector<ObjPtr<mirror::Class>> classes_; |
Mathieu Chartier | e0671ce | 2015-07-28 17:23:28 -0700 | [diff] [blame] | 1090 | }; |
| 1091 | |
| 1092 | class RecordImageClassesVisitor : public ClassVisitor { |
| 1093 | public: |
| 1094 | explicit RecordImageClassesVisitor(std::unordered_set<std::string>* image_classes) |
| 1095 | : image_classes_(image_classes) {} |
| 1096 | |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 1097 | bool operator()(ObjPtr<mirror::Class> klass) OVERRIDE REQUIRES_SHARED(Locks::mutator_lock_) { |
Mathieu Chartier | e0671ce | 2015-07-28 17:23:28 -0700 | [diff] [blame] | 1098 | std::string temp; |
| 1099 | image_classes_->insert(klass->GetDescriptor(&temp)); |
| 1100 | return true; |
| 1101 | } |
| 1102 | |
| 1103 | private: |
| 1104 | std::unordered_set<std::string>* const image_classes_; |
| 1105 | }; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1106 | |
| 1107 | // Make a list of descriptors for classes to include in the image |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1108 | void CompilerDriver::LoadImageClasses(TimingLogger* timings) { |
Kenny Root | d518534 | 2014-05-13 14:47:05 -0700 | [diff] [blame] | 1109 | CHECK(timings != nullptr); |
Vladimir Marko | aad75c6 | 2016-10-03 08:46:48 +0000 | [diff] [blame] | 1110 | if (!GetCompilerOptions().IsBootImage()) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1111 | return; |
| 1112 | } |
| 1113 | |
Mathieu Chartier | f5997b4 | 2014-06-20 10:37:54 -0700 | [diff] [blame] | 1114 | TimingLogger::ScopedTiming t("LoadImageClasses", timings); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1115 | // Make a first class to load all classes explicitly listed in the file |
| 1116 | Thread* self = Thread::Current(); |
| 1117 | ScopedObjectAccess soa(self); |
| 1118 | ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); |
Kenny Root | d518534 | 2014-05-13 14:47:05 -0700 | [diff] [blame] | 1119 | CHECK(image_classes_.get() != nullptr); |
Mathieu Chartier | 02e2511 | 2013-08-14 16:14:24 -0700 | [diff] [blame] | 1120 | for (auto it = image_classes_->begin(), end = image_classes_->end(); it != end;) { |
Vladimir Marko | e9c36b3 | 2013-11-21 15:49:16 +0000 | [diff] [blame] | 1121 | const std::string& descriptor(*it); |
Mathieu Chartier | eb8167a | 2014-05-07 15:43:14 -0700 | [diff] [blame] | 1122 | StackHandleScope<1> hs(self); |
| 1123 | Handle<mirror::Class> klass( |
| 1124 | hs.NewHandle(class_linker->FindSystemClass(self, descriptor.c_str()))); |
Andreas Gampe | fa4333d | 2017-02-14 11:10:34 -0800 | [diff] [blame] | 1125 | if (klass == nullptr) { |
Ian Rogers | e6bb3b2 | 2013-08-19 21:51:45 -0700 | [diff] [blame] | 1126 | VLOG(compiler) << "Failed to find class " << descriptor; |
Vladimir Marko | e9c36b3 | 2013-11-21 15:49:16 +0000 | [diff] [blame] | 1127 | image_classes_->erase(it++); |
Ian Rogers | a436fde | 2013-08-27 23:34:06 -0700 | [diff] [blame] | 1128 | self->ClearException(); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1129 | } else { |
| 1130 | ++it; |
| 1131 | } |
| 1132 | } |
| 1133 | |
| 1134 | // Resolve exception classes referenced by the loaded classes. The catch logic assumes |
| 1135 | // exceptions are resolved by the verifier when there is a catch block in an interested method. |
| 1136 | // 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] | 1137 | std::set<std::pair<dex::TypeIndex, const DexFile*>> unresolved_exception_types; |
Mathieu Chartier | eb8167a | 2014-05-07 15:43:14 -0700 | [diff] [blame] | 1138 | StackHandleScope<1> hs(self); |
| 1139 | Handle<mirror::Class> java_lang_Throwable( |
| 1140 | hs.NewHandle(class_linker->FindSystemClass(self, "Ljava/lang/Throwable;"))); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1141 | do { |
| 1142 | unresolved_exception_types.clear(); |
Vladimir Marko | 8d6768d | 2017-03-14 10:13:21 +0000 | [diff] [blame] | 1143 | { |
| 1144 | // Thread suspension is not allowed while ResolveCatchBlockExceptionsClassVisitor |
| 1145 | // is using a std::vector<ObjPtr<mirror::Class>>. |
| 1146 | ScopedAssertNoThreadSuspension ants(__FUNCTION__); |
| 1147 | ResolveCatchBlockExceptionsClassVisitor visitor; |
| 1148 | class_linker->VisitClasses(&visitor); |
| 1149 | visitor.FindExceptionTypesToResolve(&unresolved_exception_types); |
| 1150 | } |
Andreas Gampe | a5b09a6 | 2016-11-17 15:21:22 -0800 | [diff] [blame] | 1151 | for (const auto& exception_type : unresolved_exception_types) { |
| 1152 | dex::TypeIndex exception_type_idx = exception_type.first; |
Mathieu Chartier | 02e2511 | 2013-08-14 16:14:24 -0700 | [diff] [blame] | 1153 | const DexFile* dex_file = exception_type.second; |
Vladimir Marko | 666ee3d | 2017-12-11 18:37:36 +0000 | [diff] [blame] | 1154 | StackHandleScope<1> hs2(self); |
Mathieu Chartier | f284d44 | 2016-06-02 11:48:30 -0700 | [diff] [blame] | 1155 | Handle<mirror::DexCache> dex_cache(hs2.NewHandle(class_linker->RegisterDexFile(*dex_file, |
| 1156 | nullptr))); |
Vladimir Marko | 666ee3d | 2017-12-11 18:37:36 +0000 | [diff] [blame] | 1157 | ObjPtr<mirror::Class> klass = |
Andreas Gampe | fa4333d | 2017-02-14 11:10:34 -0800 | [diff] [blame] | 1158 | (dex_cache != nullptr) |
Vladimir Marko | 666ee3d | 2017-12-11 18:37:36 +0000 | [diff] [blame] | 1159 | ? class_linker->ResolveType(exception_type_idx, |
Vladimir Marko | cd556b0 | 2017-02-03 11:47:34 +0000 | [diff] [blame] | 1160 | dex_cache, |
| 1161 | ScopedNullHandle<mirror::ClassLoader>()) |
Vladimir Marko | 666ee3d | 2017-12-11 18:37:36 +0000 | [diff] [blame] | 1162 | : nullptr; |
Andreas Gampe | fa4333d | 2017-02-14 11:10:34 -0800 | [diff] [blame] | 1163 | if (klass == nullptr) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1164 | const DexFile::TypeId& type_id = dex_file->GetTypeId(exception_type_idx); |
| 1165 | const char* descriptor = dex_file->GetTypeDescriptor(type_id); |
| 1166 | LOG(FATAL) << "Failed to resolve class " << descriptor; |
| 1167 | } |
Vladimir Marko | 666ee3d | 2017-12-11 18:37:36 +0000 | [diff] [blame] | 1168 | DCHECK(java_lang_Throwable->IsAssignableFrom(klass)); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1169 | } |
| 1170 | // Resolving exceptions may load classes that reference more exceptions, iterate until no |
| 1171 | // more are found |
| 1172 | } while (!unresolved_exception_types.empty()); |
| 1173 | |
| 1174 | // We walk the roots looking for classes so that we'll pick up the |
| 1175 | // above classes plus any classes them depend on such super |
| 1176 | // classes, interfaces, and the required ClassLinker roots. |
Mathieu Chartier | e0671ce | 2015-07-28 17:23:28 -0700 | [diff] [blame] | 1177 | RecordImageClassesVisitor visitor(image_classes_.get()); |
| 1178 | class_linker->VisitClasses(&visitor); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1179 | |
| 1180 | CHECK_NE(image_classes_->size(), 0U); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1181 | } |
| 1182 | |
Vladimir Marko | 19a4d37 | 2016-12-08 14:41:46 +0000 | [diff] [blame] | 1183 | static void MaybeAddToImageClasses(Thread* self, |
| 1184 | ObjPtr<mirror::Class> klass, |
Andreas Gampe | b1fcead | 2015-04-20 18:53:51 -0700 | [diff] [blame] | 1185 | std::unordered_set<std::string>* image_classes) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 1186 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Vladimir Marko | 19a4d37 | 2016-12-08 14:41:46 +0000 | [diff] [blame] | 1187 | DCHECK_EQ(self, Thread::Current()); |
Mathieu Chartier | f832284 | 2014-05-16 10:59:25 -0700 | [diff] [blame] | 1188 | StackHandleScope<1> hs(self); |
Ian Rogers | 1ff3c98 | 2014-08-12 02:30:58 -0700 | [diff] [blame] | 1189 | std::string temp; |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 1190 | const PointerSize pointer_size = Runtime::Current()->GetClassLinker()->GetImagePointerSize(); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1191 | while (!klass->IsObjectClass()) { |
Ian Rogers | 1ff3c98 | 2014-08-12 02:30:58 -0700 | [diff] [blame] | 1192 | const char* descriptor = klass->GetDescriptor(&temp); |
Andreas Gampe | b1fcead | 2015-04-20 18:53:51 -0700 | [diff] [blame] | 1193 | std::pair<std::unordered_set<std::string>::iterator, bool> result = |
| 1194 | image_classes->insert(descriptor); |
Ian Rogers | 1ff3c98 | 2014-08-12 02:30:58 -0700 | [diff] [blame] | 1195 | if (!result.second) { // Previously inserted. |
| 1196 | break; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1197 | } |
Ian Rogers | 1ff3c98 | 2014-08-12 02:30:58 -0700 | [diff] [blame] | 1198 | VLOG(compiler) << "Adding " << descriptor << " to image classes"; |
Vladimir Marko | 19a4d37 | 2016-12-08 14:41:46 +0000 | [diff] [blame] | 1199 | for (size_t i = 0, num_interfaces = klass->NumDirectInterfaces(); i != num_interfaces; ++i) { |
| 1200 | ObjPtr<mirror::Class> interface = mirror::Class::GetDirectInterface(self, klass, i); |
| 1201 | DCHECK(interface != nullptr); |
| 1202 | MaybeAddToImageClasses(self, interface, image_classes); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1203 | } |
Vladimir Marko | 19a4d37 | 2016-12-08 14:41:46 +0000 | [diff] [blame] | 1204 | for (auto& m : klass->GetVirtualMethods(pointer_size)) { |
| 1205 | MaybeAddToImageClasses(self, m.GetDeclaringClass(), image_classes); |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 1206 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1207 | if (klass->IsArrayClass()) { |
Vladimir Marko | 19a4d37 | 2016-12-08 14:41:46 +0000 | [diff] [blame] | 1208 | MaybeAddToImageClasses(self, klass->GetComponentType(), image_classes); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1209 | } |
Mathieu Chartier | f832284 | 2014-05-16 10:59:25 -0700 | [diff] [blame] | 1210 | klass.Assign(klass->GetSuperClass()); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1211 | } |
| 1212 | } |
| 1213 | |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 1214 | // Keeps all the data for the update together. Also doubles as the reference visitor. |
| 1215 | // Note: we can use object pointers because we suspend all threads. |
| 1216 | class ClinitImageUpdate { |
| 1217 | public: |
Mathieu Chartier | 31e8822 | 2016-10-14 18:43:19 -0700 | [diff] [blame] | 1218 | static ClinitImageUpdate* Create(VariableSizedHandleScope& hs, |
| 1219 | std::unordered_set<std::string>* image_class_descriptors, |
| 1220 | Thread* self, |
| 1221 | ClassLinker* linker) { |
| 1222 | std::unique_ptr<ClinitImageUpdate> res(new ClinitImageUpdate(hs, |
| 1223 | image_class_descriptors, |
| 1224 | self, |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 1225 | linker)); |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 1226 | return res.release(); |
| 1227 | } |
| 1228 | |
| 1229 | ~ClinitImageUpdate() { |
| 1230 | // Allow others to suspend again. |
| 1231 | self_->EndAssertNoThreadSuspension(old_cause_); |
| 1232 | } |
| 1233 | |
| 1234 | // Visitor for VisitReferences. |
Mathieu Chartier | 31e8822 | 2016-10-14 18:43:19 -0700 | [diff] [blame] | 1235 | void operator()(ObjPtr<mirror::Object> object, |
| 1236 | MemberOffset field_offset, |
| 1237 | bool /* is_static */) const |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 1238 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 1239 | mirror::Object* ref = object->GetFieldObject<mirror::Object>(field_offset); |
| 1240 | if (ref != nullptr) { |
| 1241 | VisitClinitClassesObject(ref); |
| 1242 | } |
| 1243 | } |
| 1244 | |
Roland Levillain | 5e8d5f0 | 2016-10-18 18:03:43 +0100 | [diff] [blame] | 1245 | // java.lang.ref.Reference visitor for VisitReferences. |
Mathieu Chartier | 31e8822 | 2016-10-14 18:43:19 -0700 | [diff] [blame] | 1246 | void operator()(ObjPtr<mirror::Class> klass ATTRIBUTE_UNUSED, |
| 1247 | ObjPtr<mirror::Reference> ref ATTRIBUTE_UNUSED) const {} |
Mathieu Chartier | da7c650 | 2015-07-23 16:01:26 -0700 | [diff] [blame] | 1248 | |
| 1249 | // Ignore class native roots. |
| 1250 | void VisitRootIfNonNull(mirror::CompressedReference<mirror::Object>* root ATTRIBUTE_UNUSED) |
| 1251 | const {} |
| 1252 | void VisitRoot(mirror::CompressedReference<mirror::Object>* root ATTRIBUTE_UNUSED) const {} |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 1253 | |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 1254 | void Walk() REQUIRES_SHARED(Locks::mutator_lock_) { |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 1255 | // Use the initial classes as roots for a search. |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 1256 | for (Handle<mirror::Class> klass_root : image_classes_) { |
| 1257 | VisitClinitClassesObject(klass_root.Get()); |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 1258 | } |
Vladimir Marko | 19a4d37 | 2016-12-08 14:41:46 +0000 | [diff] [blame] | 1259 | Thread* self = Thread::Current(); |
| 1260 | ScopedAssertNoThreadSuspension ants(__FUNCTION__); |
Mathieu Chartier | 31e8822 | 2016-10-14 18:43:19 -0700 | [diff] [blame] | 1261 | for (Handle<mirror::Class> h_klass : to_insert_) { |
Vladimir Marko | 19a4d37 | 2016-12-08 14:41:46 +0000 | [diff] [blame] | 1262 | MaybeAddToImageClasses(self, h_klass.Get(), image_class_descriptors_); |
Mathieu Chartier | 31e8822 | 2016-10-14 18:43:19 -0700 | [diff] [blame] | 1263 | } |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 1264 | } |
| 1265 | |
| 1266 | private: |
Mathieu Chartier | e0671ce | 2015-07-28 17:23:28 -0700 | [diff] [blame] | 1267 | class FindImageClassesVisitor : public ClassVisitor { |
| 1268 | public: |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 1269 | explicit FindImageClassesVisitor(VariableSizedHandleScope& hs, |
| 1270 | ClinitImageUpdate* data) |
| 1271 | : data_(data), |
| 1272 | hs_(hs) {} |
Mathieu Chartier | e0671ce | 2015-07-28 17:23:28 -0700 | [diff] [blame] | 1273 | |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 1274 | bool operator()(ObjPtr<mirror::Class> klass) OVERRIDE REQUIRES_SHARED(Locks::mutator_lock_) { |
Mathieu Chartier | e0671ce | 2015-07-28 17:23:28 -0700 | [diff] [blame] | 1275 | std::string temp; |
| 1276 | const char* name = klass->GetDescriptor(&temp); |
| 1277 | if (data_->image_class_descriptors_->find(name) != data_->image_class_descriptors_->end()) { |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 1278 | data_->image_classes_.push_back(hs_.NewHandle(klass)); |
Mathieu Chartier | e0671ce | 2015-07-28 17:23:28 -0700 | [diff] [blame] | 1279 | } else { |
| 1280 | // Check whether it is initialized and has a clinit. They must be kept, too. |
| 1281 | if (klass->IsInitialized() && klass->FindClassInitializer( |
| 1282 | Runtime::Current()->GetClassLinker()->GetImagePointerSize()) != nullptr) { |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 1283 | data_->image_classes_.push_back(hs_.NewHandle(klass)); |
Mathieu Chartier | e0671ce | 2015-07-28 17:23:28 -0700 | [diff] [blame] | 1284 | } |
| 1285 | } |
| 1286 | return true; |
| 1287 | } |
| 1288 | |
| 1289 | private: |
| 1290 | ClinitImageUpdate* const data_; |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 1291 | VariableSizedHandleScope& hs_; |
Mathieu Chartier | e0671ce | 2015-07-28 17:23:28 -0700 | [diff] [blame] | 1292 | }; |
| 1293 | |
Mathieu Chartier | 31e8822 | 2016-10-14 18:43:19 -0700 | [diff] [blame] | 1294 | ClinitImageUpdate(VariableSizedHandleScope& hs, |
| 1295 | std::unordered_set<std::string>* image_class_descriptors, |
| 1296 | Thread* self, |
| 1297 | ClassLinker* linker) REQUIRES_SHARED(Locks::mutator_lock_) |
| 1298 | : hs_(hs), |
| 1299 | image_class_descriptors_(image_class_descriptors), |
| 1300 | self_(self) { |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 1301 | CHECK(linker != nullptr); |
| 1302 | CHECK(image_class_descriptors != nullptr); |
| 1303 | |
| 1304 | // Make sure nobody interferes with us. |
| 1305 | old_cause_ = self->StartAssertNoThreadSuspension("Boot image closure"); |
| 1306 | |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 1307 | // Find all the already-marked classes. |
| 1308 | WriterMutexLock mu(self, *Locks::heap_bitmap_lock_); |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 1309 | FindImageClassesVisitor visitor(hs_, this); |
Mathieu Chartier | e0671ce | 2015-07-28 17:23:28 -0700 | [diff] [blame] | 1310 | linker->VisitClasses(&visitor); |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 1311 | } |
| 1312 | |
| 1313 | void VisitClinitClassesObject(mirror::Object* object) const |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 1314 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 1315 | DCHECK(object != nullptr); |
| 1316 | if (marked_objects_.find(object) != marked_objects_.end()) { |
| 1317 | // Already processed. |
| 1318 | return; |
| 1319 | } |
| 1320 | |
| 1321 | // Mark it. |
| 1322 | marked_objects_.insert(object); |
| 1323 | |
| 1324 | if (object->IsClass()) { |
Mathieu Chartier | 31e8822 | 2016-10-14 18:43:19 -0700 | [diff] [blame] | 1325 | // Add to the TODO list since MaybeAddToImageClasses may cause thread suspension. Thread |
| 1326 | // suspensionb is not safe to do in VisitObjects or VisitReferences. |
| 1327 | to_insert_.push_back(hs_.NewHandle(object->AsClass())); |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 1328 | } else { |
| 1329 | // Else visit the object's class. |
| 1330 | VisitClinitClassesObject(object->GetClass()); |
| 1331 | } |
| 1332 | |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 1333 | // If it is not a DexCache, visit all references. |
Mathieu Chartier | 31e8822 | 2016-10-14 18:43:19 -0700 | [diff] [blame] | 1334 | if (!object->IsDexCache()) { |
Mathieu Chartier | 059ef3d | 2015-08-18 13:54:21 -0700 | [diff] [blame] | 1335 | object->VisitReferences(*this, *this); |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 1336 | } |
| 1337 | } |
| 1338 | |
Mathieu Chartier | 31e8822 | 2016-10-14 18:43:19 -0700 | [diff] [blame] | 1339 | VariableSizedHandleScope& hs_; |
| 1340 | mutable std::vector<Handle<mirror::Class>> to_insert_; |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 1341 | mutable std::unordered_set<mirror::Object*> marked_objects_; |
Andreas Gampe | b1fcead | 2015-04-20 18:53:51 -0700 | [diff] [blame] | 1342 | std::unordered_set<std::string>* const image_class_descriptors_; |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 1343 | std::vector<Handle<mirror::Class>> image_classes_; |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 1344 | Thread* const self_; |
| 1345 | const char* old_cause_; |
| 1346 | |
| 1347 | DISALLOW_COPY_AND_ASSIGN(ClinitImageUpdate); |
| 1348 | }; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1349 | |
Ian Rogers | 3d50407 | 2014-03-01 09:16:49 -0800 | [diff] [blame] | 1350 | void CompilerDriver::UpdateImageClasses(TimingLogger* timings) { |
Vladimir Marko | aad75c6 | 2016-10-03 08:46:48 +0000 | [diff] [blame] | 1351 | if (GetCompilerOptions().IsBootImage()) { |
Mathieu Chartier | f5997b4 | 2014-06-20 10:37:54 -0700 | [diff] [blame] | 1352 | TimingLogger::ScopedTiming t("UpdateImageClasses", timings); |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 1353 | |
Mathieu Chartier | 4f55e22 | 2015-09-04 13:26:21 -0700 | [diff] [blame] | 1354 | Runtime* runtime = Runtime::Current(); |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 1355 | |
| 1356 | // Suspend all threads. |
Mathieu Chartier | 4f55e22 | 2015-09-04 13:26:21 -0700 | [diff] [blame] | 1357 | ScopedSuspendAll ssa(__FUNCTION__); |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 1358 | |
Mathieu Chartier | 31e8822 | 2016-10-14 18:43:19 -0700 | [diff] [blame] | 1359 | VariableSizedHandleScope hs(Thread::Current()); |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 1360 | std::string error_msg; |
Mathieu Chartier | 31e8822 | 2016-10-14 18:43:19 -0700 | [diff] [blame] | 1361 | std::unique_ptr<ClinitImageUpdate> update(ClinitImageUpdate::Create(hs, |
| 1362 | image_classes_.get(), |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 1363 | Thread::Current(), |
Mathieu Chartier | 31e8822 | 2016-10-14 18:43:19 -0700 | [diff] [blame] | 1364 | runtime->GetClassLinker())); |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 1365 | |
| 1366 | // Do the marking. |
| 1367 | update->Walk(); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1368 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1369 | } |
| 1370 | |
Vladimir Marko | 07785bb | 2015-06-15 18:52:54 +0100 | [diff] [blame] | 1371 | bool CompilerDriver::CanAssumeClassIsLoaded(mirror::Class* klass) { |
| 1372 | Runtime* runtime = Runtime::Current(); |
| 1373 | if (!runtime->IsAotCompiler()) { |
Calin Juravle | ffc8707 | 2016-04-20 14:22:09 +0100 | [diff] [blame] | 1374 | DCHECK(runtime->UseJitCompilation()); |
Vladimir Marko | 07785bb | 2015-06-15 18:52:54 +0100 | [diff] [blame] | 1375 | // Having the klass reference here implies that the klass is already loaded. |
| 1376 | return true; |
| 1377 | } |
Vladimir Marko | aad75c6 | 2016-10-03 08:46:48 +0000 | [diff] [blame] | 1378 | if (!GetCompilerOptions().IsBootImage()) { |
Vladimir Marko | 07785bb | 2015-06-15 18:52:54 +0100 | [diff] [blame] | 1379 | // Assume loaded only if klass is in the boot image. App classes cannot be assumed |
| 1380 | // loaded because we don't even know what class loader will be used to load them. |
| 1381 | bool class_in_image = runtime->GetHeap()->FindSpaceFromObject(klass, false)->IsImageSpace(); |
| 1382 | return class_in_image; |
| 1383 | } |
| 1384 | std::string temp; |
| 1385 | const char* descriptor = klass->GetDescriptor(&temp); |
| 1386 | return IsImageClass(descriptor); |
| 1387 | } |
| 1388 | |
Vladimir Marko | 8d6768d | 2017-03-14 10:13:21 +0000 | [diff] [blame] | 1389 | bool CompilerDriver::CanAccessTypeWithoutChecks(ObjPtr<mirror::Class> referrer_class, |
| 1390 | ObjPtr<mirror::Class> resolved_class) { |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 1391 | if (resolved_class == nullptr) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1392 | stats_->TypeNeedsAccessCheck(); |
| 1393 | return false; // Unknown class needs access checks. |
| 1394 | } |
David Brazdil | 38f64d3 | 2016-01-18 17:13:41 +0000 | [diff] [blame] | 1395 | bool is_accessible = resolved_class->IsPublic(); // Public classes are always accessible. |
| 1396 | if (!is_accessible) { |
David Brazdil | 38f64d3 | 2016-01-18 17:13:41 +0000 | [diff] [blame] | 1397 | if (referrer_class == nullptr) { |
| 1398 | stats_->TypeNeedsAccessCheck(); |
| 1399 | return false; // Incomplete referrer knowledge needs access check. |
| 1400 | } |
| 1401 | // Perform access check, will return true if access is ok or false if we're going to have to |
| 1402 | // check this at runtime (for example for class loaders). |
| 1403 | is_accessible = referrer_class->CanAccess(resolved_class); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1404 | } |
David Brazdil | 38f64d3 | 2016-01-18 17:13:41 +0000 | [diff] [blame] | 1405 | if (is_accessible) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1406 | stats_->TypeDoesntNeedAccessCheck(); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1407 | } else { |
| 1408 | stats_->TypeNeedsAccessCheck(); |
| 1409 | } |
David Brazdil | 38f64d3 | 2016-01-18 17:13:41 +0000 | [diff] [blame] | 1410 | return is_accessible; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1411 | } |
| 1412 | |
Vladimir Marko | 8d6768d | 2017-03-14 10:13:21 +0000 | [diff] [blame] | 1413 | bool CompilerDriver::CanAccessInstantiableTypeWithoutChecks(ObjPtr<mirror::Class> referrer_class, |
| 1414 | ObjPtr<mirror::Class> resolved_class, |
Mingyao Yang | fb8464a | 2015-11-02 10:56:59 -0800 | [diff] [blame] | 1415 | bool* finalizable) { |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 1416 | if (resolved_class == nullptr) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1417 | stats_->TypeNeedsAccessCheck(); |
Mingyao Yang | fb8464a | 2015-11-02 10:56:59 -0800 | [diff] [blame] | 1418 | // Be conservative. |
| 1419 | *finalizable = true; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1420 | return false; // Unknown class needs access checks. |
| 1421 | } |
Mingyao Yang | fb8464a | 2015-11-02 10:56:59 -0800 | [diff] [blame] | 1422 | *finalizable = resolved_class->IsFinalizable(); |
David Brazdil | 38f64d3 | 2016-01-18 17:13:41 +0000 | [diff] [blame] | 1423 | bool is_accessible = resolved_class->IsPublic(); // Public classes are always accessible. |
| 1424 | if (!is_accessible) { |
David Brazdil | 38f64d3 | 2016-01-18 17:13:41 +0000 | [diff] [blame] | 1425 | if (referrer_class == nullptr) { |
| 1426 | stats_->TypeNeedsAccessCheck(); |
| 1427 | return false; // Incomplete referrer knowledge needs access check. |
| 1428 | } |
| 1429 | // Perform access and instantiable checks, will return true if access is ok or false if we're |
| 1430 | // going to have to check this at runtime (for example for class loaders). |
| 1431 | is_accessible = referrer_class->CanAccess(resolved_class); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1432 | } |
David Brazdil | 38f64d3 | 2016-01-18 17:13:41 +0000 | [diff] [blame] | 1433 | bool result = is_accessible && resolved_class->IsInstantiable(); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1434 | if (result) { |
| 1435 | stats_->TypeDoesntNeedAccessCheck(); |
| 1436 | } else { |
| 1437 | stats_->TypeNeedsAccessCheck(); |
| 1438 | } |
| 1439 | return result; |
| 1440 | } |
| 1441 | |
Vladimir Marko | be0e546 | 2014-02-26 11:24:15 +0000 | [diff] [blame] | 1442 | void CompilerDriver::ProcessedInstanceField(bool resolved) { |
| 1443 | if (!resolved) { |
| 1444 | stats_->UnresolvedInstanceField(); |
| 1445 | } else { |
| 1446 | stats_->ResolvedInstanceField(); |
| 1447 | } |
| 1448 | } |
| 1449 | |
| 1450 | void CompilerDriver::ProcessedStaticField(bool resolved, bool local) { |
| 1451 | if (!resolved) { |
| 1452 | stats_->UnresolvedStaticField(); |
| 1453 | } else if (local) { |
| 1454 | stats_->ResolvedLocalStaticField(); |
| 1455 | } else { |
| 1456 | stats_->ResolvedStaticField(); |
| 1457 | } |
| 1458 | } |
| 1459 | |
Mathieu Chartier | c785344 | 2015-03-27 14:35:38 -0700 | [diff] [blame] | 1460 | ArtField* CompilerDriver::ComputeInstanceFieldInfo(uint32_t field_idx, |
Vladimir Marko | e11dd50 | 2017-12-08 14:09:45 +0000 | [diff] [blame] | 1461 | const DexCompilationUnit* mUnit, |
| 1462 | bool is_put, |
Mathieu Chartier | c785344 | 2015-03-27 14:35:38 -0700 | [diff] [blame] | 1463 | const ScopedObjectAccess& soa) { |
Vladimir Marko | be0e546 | 2014-02-26 11:24:15 +0000 | [diff] [blame] | 1464 | // Try to resolve the field and compiling method's class. |
Mathieu Chartier | c785344 | 2015-03-27 14:35:38 -0700 | [diff] [blame] | 1465 | ArtField* resolved_field; |
Vladimir Marko | 28e012a | 2017-12-07 11:22:59 +0000 | [diff] [blame] | 1466 | ObjPtr<mirror::Class> referrer_class; |
Mathieu Chartier | 736b560 | 2015-09-02 14:54:11 -0700 | [diff] [blame] | 1467 | Handle<mirror::DexCache> dex_cache(mUnit->GetDexCache()); |
Vladimir Marko | be0e546 | 2014-02-26 11:24:15 +0000 | [diff] [blame] | 1468 | { |
Vladimir Marko | e11dd50 | 2017-12-08 14:09:45 +0000 | [diff] [blame] | 1469 | Handle<mirror::ClassLoader> class_loader = mUnit->GetClassLoader(); |
| 1470 | 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] | 1471 | referrer_class = resolved_field != nullptr |
Vladimir Marko | e11dd50 | 2017-12-08 14:09:45 +0000 | [diff] [blame] | 1472 | ? ResolveCompilingMethodsClass(soa, dex_cache, class_loader, mUnit) : nullptr; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1473 | } |
Nicolas Geoffray | e503832 | 2014-07-04 09:41:32 +0100 | [diff] [blame] | 1474 | bool can_link = false; |
Vladimir Marko | be0e546 | 2014-02-26 11:24:15 +0000 | [diff] [blame] | 1475 | if (resolved_field != nullptr && referrer_class != nullptr) { |
Vladimir Marko | be0e546 | 2014-02-26 11:24:15 +0000 | [diff] [blame] | 1476 | std::pair<bool, bool> fast_path = IsFastInstanceField( |
Mathieu Chartier | 736b560 | 2015-09-02 14:54:11 -0700 | [diff] [blame] | 1477 | dex_cache.Get(), referrer_class, resolved_field, field_idx); |
Nicolas Geoffray | e503832 | 2014-07-04 09:41:32 +0100 | [diff] [blame] | 1478 | can_link = is_put ? fast_path.second : fast_path.first; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1479 | } |
Nicolas Geoffray | e503832 | 2014-07-04 09:41:32 +0100 | [diff] [blame] | 1480 | ProcessedInstanceField(can_link); |
| 1481 | return can_link ? resolved_field : nullptr; |
| 1482 | } |
| 1483 | |
| 1484 | bool CompilerDriver::ComputeInstanceFieldInfo(uint32_t field_idx, const DexCompilationUnit* mUnit, |
| 1485 | bool is_put, MemberOffset* field_offset, |
| 1486 | bool* is_volatile) { |
| 1487 | ScopedObjectAccess soa(Thread::Current()); |
Mathieu Chartier | c785344 | 2015-03-27 14:35:38 -0700 | [diff] [blame] | 1488 | ArtField* resolved_field = ComputeInstanceFieldInfo(field_idx, mUnit, is_put, soa); |
Nicolas Geoffray | e503832 | 2014-07-04 09:41:32 +0100 | [diff] [blame] | 1489 | |
Mathieu Chartier | c785344 | 2015-03-27 14:35:38 -0700 | [diff] [blame] | 1490 | if (resolved_field == nullptr) { |
Vladimir Marko | be0e546 | 2014-02-26 11:24:15 +0000 | [diff] [blame] | 1491 | // Conservative defaults. |
| 1492 | *is_volatile = true; |
| 1493 | *field_offset = MemberOffset(static_cast<size_t>(-1)); |
Nicolas Geoffray | e503832 | 2014-07-04 09:41:32 +0100 | [diff] [blame] | 1494 | return false; |
| 1495 | } else { |
| 1496 | *is_volatile = resolved_field->IsVolatile(); |
| 1497 | *field_offset = resolved_field->GetOffset(); |
| 1498 | return true; |
Vladimir Marko | be0e546 | 2014-02-26 11:24:15 +0000 | [diff] [blame] | 1499 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1500 | } |
| 1501 | |
Vladimir Marko | 2730db0 | 2014-01-27 11:15:17 +0000 | [diff] [blame] | 1502 | const VerifiedMethod* CompilerDriver::GetVerifiedMethod(const DexFile* dex_file, |
| 1503 | uint32_t method_idx) const { |
| 1504 | MethodReference ref(dex_file, method_idx); |
| 1505 | return verification_results_->GetVerifiedMethod(ref); |
| 1506 | } |
| 1507 | |
| 1508 | bool CompilerDriver::IsSafeCast(const DexCompilationUnit* mUnit, uint32_t dex_pc) { |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 1509 | if (!compiler_options_->IsVerificationEnabled()) { |
| 1510 | // If we didn't verify, every cast has to be treated as non-safe. |
| 1511 | return false; |
| 1512 | } |
Vladimir Marko | 2730db0 | 2014-01-27 11:15:17 +0000 | [diff] [blame] | 1513 | DCHECK(mUnit->GetVerifiedMethod() != nullptr); |
| 1514 | bool result = mUnit->GetVerifiedMethod()->IsSafeCast(dex_pc); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1515 | if (result) { |
| 1516 | stats_->SafeCast(); |
| 1517 | } else { |
| 1518 | stats_->NotASafeCast(); |
| 1519 | } |
| 1520 | return result; |
| 1521 | } |
| 1522 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1523 | class CompilationVisitor { |
| 1524 | public: |
| 1525 | virtual ~CompilationVisitor() {} |
| 1526 | virtual void Visit(size_t index) = 0; |
| 1527 | }; |
| 1528 | |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1529 | class ParallelCompilationManager { |
| 1530 | public: |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1531 | ParallelCompilationManager(ClassLinker* class_linker, |
| 1532 | jobject class_loader, |
| 1533 | CompilerDriver* compiler, |
| 1534 | const DexFile* dex_file, |
Andreas Gampe | de7b436 | 2014-07-28 18:38:57 -0700 | [diff] [blame] | 1535 | const std::vector<const DexFile*>& dex_files, |
Ian Rogers | 3d50407 | 2014-03-01 09:16:49 -0800 | [diff] [blame] | 1536 | ThreadPool* thread_pool) |
Mathieu Chartier | 0b3eb39 | 2013-08-23 14:56:59 -0700 | [diff] [blame] | 1537 | : index_(0), |
| 1538 | class_linker_(class_linker), |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1539 | class_loader_(class_loader), |
| 1540 | compiler_(compiler), |
| 1541 | dex_file_(dex_file), |
Andreas Gampe | de7b436 | 2014-07-28 18:38:57 -0700 | [diff] [blame] | 1542 | dex_files_(dex_files), |
Ian Rogers | 3d50407 | 2014-03-01 09:16:49 -0800 | [diff] [blame] | 1543 | thread_pool_(thread_pool) {} |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1544 | |
| 1545 | ClassLinker* GetClassLinker() const { |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 1546 | CHECK(class_linker_ != nullptr); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1547 | return class_linker_; |
| 1548 | } |
| 1549 | |
| 1550 | jobject GetClassLoader() const { |
| 1551 | return class_loader_; |
| 1552 | } |
| 1553 | |
| 1554 | CompilerDriver* GetCompiler() const { |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 1555 | CHECK(compiler_ != nullptr); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1556 | return compiler_; |
| 1557 | } |
| 1558 | |
| 1559 | const DexFile* GetDexFile() const { |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 1560 | CHECK(dex_file_ != nullptr); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1561 | return dex_file_; |
| 1562 | } |
| 1563 | |
Andreas Gampe | de7b436 | 2014-07-28 18:38:57 -0700 | [diff] [blame] | 1564 | const std::vector<const DexFile*>& GetDexFiles() const { |
| 1565 | return dex_files_; |
| 1566 | } |
| 1567 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1568 | void ForAll(size_t begin, size_t end, CompilationVisitor* visitor, size_t work_units) |
| 1569 | REQUIRES(!*Locks::mutator_lock_) { |
Andreas Gampe | 3c060ad | 2018-01-22 13:07:49 -0800 | [diff] [blame] | 1570 | ForAllLambda(begin, end, [visitor](size_t index) { visitor->Visit(index); }, work_units); |
| 1571 | } |
| 1572 | |
| 1573 | template <typename Fn> |
| 1574 | void ForAllLambda(size_t begin, size_t end, Fn fn, size_t work_units) |
| 1575 | REQUIRES(!*Locks::mutator_lock_) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1576 | Thread* self = Thread::Current(); |
| 1577 | self->AssertNoPendingException(); |
| 1578 | CHECK_GT(work_units, 0U); |
| 1579 | |
Orion Hodson | 88591fe | 2018-03-06 13:35:43 +0000 | [diff] [blame] | 1580 | index_.store(begin, std::memory_order_relaxed); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1581 | for (size_t i = 0; i < work_units; ++i) { |
Andreas Gampe | 3c060ad | 2018-01-22 13:07:49 -0800 | [diff] [blame] | 1582 | thread_pool_->AddTask(self, new ForAllClosureLambda<Fn>(this, end, fn)); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1583 | } |
| 1584 | thread_pool_->StartWorkers(self); |
| 1585 | |
| 1586 | // Ensure we're suspended while we're blocked waiting for the other threads to finish (worker |
| 1587 | // thread destructor's called below perform join). |
| 1588 | CHECK_NE(self->GetState(), kRunnable); |
| 1589 | |
| 1590 | // Wait for all the worker threads to finish. |
| 1591 | thread_pool_->Wait(self, true, false); |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 1592 | |
| 1593 | // And stop the workers accepting jobs. |
| 1594 | thread_pool_->StopWorkers(self); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1595 | } |
| 1596 | |
Mathieu Chartier | 0b3eb39 | 2013-08-23 14:56:59 -0700 | [diff] [blame] | 1597 | size_t NextIndex() { |
Orion Hodson | 88591fe | 2018-03-06 13:35:43 +0000 | [diff] [blame] | 1598 | return index_.fetch_add(1, std::memory_order_seq_cst); |
Mathieu Chartier | 0b3eb39 | 2013-08-23 14:56:59 -0700 | [diff] [blame] | 1599 | } |
| 1600 | |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1601 | private: |
Andreas Gampe | 3c060ad | 2018-01-22 13:07:49 -0800 | [diff] [blame] | 1602 | template <typename Fn> |
| 1603 | class ForAllClosureLambda : public Task { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1604 | public: |
Andreas Gampe | 3c060ad | 2018-01-22 13:07:49 -0800 | [diff] [blame] | 1605 | ForAllClosureLambda(ParallelCompilationManager* manager, size_t end, Fn fn) |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1606 | : manager_(manager), |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1607 | end_(end), |
Andreas Gampe | 3c060ad | 2018-01-22 13:07:49 -0800 | [diff] [blame] | 1608 | fn_(fn) {} |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1609 | |
Andreas Gampe | 3c060ad | 2018-01-22 13:07:49 -0800 | [diff] [blame] | 1610 | void Run(Thread* self) OVERRIDE { |
Mathieu Chartier | 0b3eb39 | 2013-08-23 14:56:59 -0700 | [diff] [blame] | 1611 | while (true) { |
| 1612 | const size_t index = manager_->NextIndex(); |
| 1613 | if (UNLIKELY(index >= end_)) { |
| 1614 | break; |
| 1615 | } |
Andreas Gampe | 3c060ad | 2018-01-22 13:07:49 -0800 | [diff] [blame] | 1616 | fn_(index); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1617 | self->AssertNoPendingException(); |
| 1618 | } |
| 1619 | } |
| 1620 | |
Andreas Gampe | 3c060ad | 2018-01-22 13:07:49 -0800 | [diff] [blame] | 1621 | void Finalize() OVERRIDE { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1622 | delete this; |
| 1623 | } |
Brian Carlstrom | 0cd7ec2 | 2013-07-17 23:40:20 -0700 | [diff] [blame] | 1624 | |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1625 | private: |
Mathieu Chartier | 0b3eb39 | 2013-08-23 14:56:59 -0700 | [diff] [blame] | 1626 | ParallelCompilationManager* const manager_; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1627 | const size_t end_; |
Andreas Gampe | 3c060ad | 2018-01-22 13:07:49 -0800 | [diff] [blame] | 1628 | Fn fn_; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1629 | }; |
| 1630 | |
Mathieu Chartier | 0b3eb39 | 2013-08-23 14:56:59 -0700 | [diff] [blame] | 1631 | AtomicInteger index_; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1632 | ClassLinker* const class_linker_; |
| 1633 | const jobject class_loader_; |
| 1634 | CompilerDriver* const compiler_; |
| 1635 | const DexFile* const dex_file_; |
Andreas Gampe | de7b436 | 2014-07-28 18:38:57 -0700 | [diff] [blame] | 1636 | const std::vector<const DexFile*>& dex_files_; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1637 | ThreadPool* const thread_pool_; |
Mathieu Chartier | 0b3eb39 | 2013-08-23 14:56:59 -0700 | [diff] [blame] | 1638 | |
| 1639 | DISALLOW_COPY_AND_ASSIGN(ParallelCompilationManager); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1640 | }; |
| 1641 | |
Jeff Hao | 0e49b42 | 2013-11-08 12:16:56 -0800 | [diff] [blame] | 1642 | // A fast version of SkipClass above if the class pointer is available |
| 1643 | // that avoids the expensive FindInClassPath search. |
Vladimir Marko | 28e012a | 2017-12-07 11:22:59 +0000 | [diff] [blame] | 1644 | 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] | 1645 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 1646 | DCHECK(klass != nullptr); |
Jeff Hao | 0e49b42 | 2013-11-08 12:16:56 -0800 | [diff] [blame] | 1647 | const DexFile& original_dex_file = *klass->GetDexCache()->GetDexFile(); |
| 1648 | if (&dex_file != &original_dex_file) { |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 1649 | if (class_loader == nullptr) { |
David Sehr | 709b070 | 2016-10-13 09:12:37 -0700 | [diff] [blame] | 1650 | LOG(WARNING) << "Skipping class " << klass->PrettyDescriptor() << " from " |
Jeff Hao | 0e49b42 | 2013-11-08 12:16:56 -0800 | [diff] [blame] | 1651 | << dex_file.GetLocation() << " previously found in " |
| 1652 | << original_dex_file.GetLocation(); |
| 1653 | } |
| 1654 | return true; |
| 1655 | } |
| 1656 | return false; |
| 1657 | } |
| 1658 | |
Mathieu Chartier | 70b6348 | 2014-06-27 17:19:04 -0700 | [diff] [blame] | 1659 | static void CheckAndClearResolveException(Thread* self) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 1660 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Mathieu Chartier | 70b6348 | 2014-06-27 17:19:04 -0700 | [diff] [blame] | 1661 | CHECK(self->IsExceptionPending()); |
Nicolas Geoffray | 14691c5 | 2015-03-05 10:40:17 +0000 | [diff] [blame] | 1662 | mirror::Throwable* exception = self->GetException(); |
Ian Rogers | 1ff3c98 | 2014-08-12 02:30:58 -0700 | [diff] [blame] | 1663 | std::string temp; |
| 1664 | const char* descriptor = exception->GetClass()->GetDescriptor(&temp); |
| 1665 | const char* expected_exceptions[] = { |
| 1666 | "Ljava/lang/IllegalAccessError;", |
| 1667 | "Ljava/lang/IncompatibleClassChangeError;", |
| 1668 | "Ljava/lang/InstantiationError;", |
Brian Carlstrom | 898fcb5 | 2014-08-25 23:07:30 -0700 | [diff] [blame] | 1669 | "Ljava/lang/LinkageError;", |
Ian Rogers | 1ff3c98 | 2014-08-12 02:30:58 -0700 | [diff] [blame] | 1670 | "Ljava/lang/NoClassDefFoundError;", |
| 1671 | "Ljava/lang/NoSuchFieldError;", |
| 1672 | "Ljava/lang/NoSuchMethodError;" |
| 1673 | }; |
| 1674 | bool found = false; |
| 1675 | for (size_t i = 0; (found == false) && (i < arraysize(expected_exceptions)); ++i) { |
| 1676 | if (strcmp(descriptor, expected_exceptions[i]) == 0) { |
| 1677 | found = true; |
| 1678 | } |
| 1679 | } |
| 1680 | if (!found) { |
Brian Carlstrom | 898fcb5 | 2014-08-25 23:07:30 -0700 | [diff] [blame] | 1681 | LOG(FATAL) << "Unexpected exception " << exception->Dump(); |
Mathieu Chartier | 70b6348 | 2014-06-27 17:19:04 -0700 | [diff] [blame] | 1682 | } |
| 1683 | self->ClearException(); |
| 1684 | } |
| 1685 | |
Mathieu Chartier | b5d3861 | 2016-04-07 10:52:52 -0700 | [diff] [blame] | 1686 | bool CompilerDriver::RequiresConstructorBarrier(const DexFile& dex_file, |
| 1687 | uint16_t class_def_idx) const { |
Mathieu Chartier | 18e2687 | 2018-06-04 17:19:02 -0700 | [diff] [blame^] | 1688 | ClassAccessor accessor(dex_file, class_def_idx); |
Mathieu Chartier | b5d3861 | 2016-04-07 10:52:52 -0700 | [diff] [blame] | 1689 | // We require a constructor barrier if there are final instance fields. |
Mathieu Chartier | 18e2687 | 2018-06-04 17:19:02 -0700 | [diff] [blame^] | 1690 | for (const ClassAccessor::Field& field : accessor.GetInstanceFields()) { |
Mathieu Chartier | c8c8d5f | 2018-05-22 11:56:14 -0700 | [diff] [blame] | 1691 | if (field.IsFinal()) { |
Mathieu Chartier | 18e2687 | 2018-06-04 17:19:02 -0700 | [diff] [blame^] | 1692 | return true; |
Mathieu Chartier | b5d3861 | 2016-04-07 10:52:52 -0700 | [diff] [blame] | 1693 | } |
Mathieu Chartier | 18e2687 | 2018-06-04 17:19:02 -0700 | [diff] [blame^] | 1694 | } |
| 1695 | return false; |
Mathieu Chartier | b5d3861 | 2016-04-07 10:52:52 -0700 | [diff] [blame] | 1696 | } |
| 1697 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1698 | class ResolveClassFieldsAndMethodsVisitor : public CompilationVisitor { |
| 1699 | public: |
| 1700 | explicit ResolveClassFieldsAndMethodsVisitor(const ParallelCompilationManager* manager) |
| 1701 | : manager_(manager) {} |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1702 | |
Mathieu Chartier | e0671ce | 2015-07-28 17:23:28 -0700 | [diff] [blame] | 1703 | void Visit(size_t class_def_index) OVERRIDE REQUIRES(!Locks::mutator_lock_) { |
Andreas Gampe | 9b827ab | 2017-12-07 19:32:48 -0800 | [diff] [blame] | 1704 | ScopedTrace trace(__FUNCTION__); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1705 | Thread* const self = Thread::Current(); |
| 1706 | jobject jclass_loader = manager_->GetClassLoader(); |
| 1707 | const DexFile& dex_file = *manager_->GetDexFile(); |
| 1708 | ClassLinker* class_linker = manager_->GetClassLinker(); |
Ian Rogers | e6bb3b2 | 2013-08-19 21:51:45 -0700 | [diff] [blame] | 1709 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1710 | // Method and Field are the worst. We can't resolve without either |
| 1711 | // context from the code use (to disambiguate virtual vs direct |
| 1712 | // method and instance vs static field) or from class |
| 1713 | // definitions. While the compiler will resolve what it can as it |
| 1714 | // needs it, here we try to resolve fields and methods used in class |
| 1715 | // definitions, since many of them many never be referenced by |
| 1716 | // generated code. |
| 1717 | const DexFile::ClassDef& class_def = dex_file.GetClassDef(class_def_index); |
| 1718 | ScopedObjectAccess soa(self); |
| 1719 | StackHandleScope<2> hs(soa.Self()); |
| 1720 | Handle<mirror::ClassLoader> class_loader( |
Mathieu Chartier | 0795f23 | 2016-09-27 18:43:30 -0700 | [diff] [blame] | 1721 | hs.NewHandle(soa.Decode<mirror::ClassLoader>(jclass_loader))); |
Mathieu Chartier | 673ed3d | 2015-08-28 14:56:43 -0700 | [diff] [blame] | 1722 | Handle<mirror::DexCache> dex_cache(hs.NewHandle(class_linker->FindDexCache( |
Vladimir Marko | cd556b0 | 2017-02-03 11:47:34 +0000 | [diff] [blame] | 1723 | soa.Self(), dex_file))); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1724 | // Resolve the class. |
Vladimir Marko | 28e012a | 2017-12-07 11:22:59 +0000 | [diff] [blame] | 1725 | ObjPtr<mirror::Class> klass = |
Vladimir Marko | 666ee3d | 2017-12-11 18:37:36 +0000 | [diff] [blame] | 1726 | class_linker->ResolveType(class_def.class_idx_, dex_cache, class_loader); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1727 | bool resolve_fields_and_methods; |
| 1728 | if (klass == nullptr) { |
| 1729 | // Class couldn't be resolved, for example, super-class is in a different dex file. Don't |
| 1730 | // attempt to resolve methods and fields when there is no declaring class. |
| 1731 | CheckAndClearResolveException(soa.Self()); |
| 1732 | resolve_fields_and_methods = false; |
| 1733 | } else { |
| 1734 | // We successfully resolved a class, should we skip it? |
| 1735 | if (SkipClass(jclass_loader, dex_file, klass)) { |
| 1736 | return; |
Ian Rogers | e6bb3b2 | 2013-08-19 21:51:45 -0700 | [diff] [blame] | 1737 | } |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1738 | // We want to resolve the methods and fields eagerly. |
| 1739 | resolve_fields_and_methods = true; |
Ian Rogers | 68b5685 | 2014-08-29 20:19:11 -0700 | [diff] [blame] | 1740 | } |
Mathieu Chartier | c8c8d5f | 2018-05-22 11:56:14 -0700 | [diff] [blame] | 1741 | // If an instance field is final then we need to have a barrier on the return, static final |
| 1742 | // fields are assigned within the lock held for class initialization. |
| 1743 | bool requires_constructor_barrier = false; |
| 1744 | |
Mathieu Chartier | 18e2687 | 2018-06-04 17:19:02 -0700 | [diff] [blame^] | 1745 | ClassAccessor accessor(dex_file, class_def_index); |
Mathieu Chartier | c8c8d5f | 2018-05-22 11:56:14 -0700 | [diff] [blame] | 1746 | // Optionally resolve fields and methods and figure out if we need a constructor barrier. |
| 1747 | auto method_visitor = [&](const ClassAccessor::Method& method) |
| 1748 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1749 | if (resolve_fields_and_methods) { |
Mathieu Chartier | c8c8d5f | 2018-05-22 11:56:14 -0700 | [diff] [blame] | 1750 | ArtMethod* resolved = class_linker->ResolveMethod<ClassLinker::ResolveMode::kNoChecks>( |
| 1751 | method.GetIndex(), |
| 1752 | dex_cache, |
| 1753 | class_loader, |
| 1754 | /* referrer */ nullptr, |
| 1755 | method.GetInvokeType(class_def.access_flags_)); |
| 1756 | if (resolved == nullptr) { |
| 1757 | CheckAndClearResolveException(soa.Self()); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1758 | } |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1759 | } |
Mathieu Chartier | c8c8d5f | 2018-05-22 11:56:14 -0700 | [diff] [blame] | 1760 | }; |
| 1761 | accessor.VisitFieldsAndMethods( |
| 1762 | // static fields |
| 1763 | [&](ClassAccessor::Field& field) REQUIRES_SHARED(Locks::mutator_lock_) { |
| 1764 | if (resolve_fields_and_methods) { |
| 1765 | ArtField* resolved = class_linker->ResolveField( |
| 1766 | field.GetIndex(), dex_cache, class_loader, /* is_static */ true); |
| 1767 | if (resolved == nullptr) { |
| 1768 | CheckAndClearResolveException(soa.Self()); |
| 1769 | } |
| 1770 | } |
| 1771 | }, |
| 1772 | // instance fields |
| 1773 | [&](ClassAccessor::Field& field) REQUIRES_SHARED(Locks::mutator_lock_) { |
| 1774 | if (field.IsFinal()) { |
| 1775 | // We require a constructor barrier if there are final instance fields. |
| 1776 | requires_constructor_barrier = true; |
| 1777 | } |
| 1778 | if (resolve_fields_and_methods) { |
| 1779 | ArtField* resolved = class_linker->ResolveField( |
| 1780 | field.GetIndex(), dex_cache, class_loader, /* is_static */ false); |
| 1781 | if (resolved == nullptr) { |
| 1782 | CheckAndClearResolveException(soa.Self()); |
| 1783 | } |
| 1784 | } |
| 1785 | }, |
| 1786 | /*direct methods*/ method_visitor, |
| 1787 | /*virtual methods*/ method_visitor); |
Mathieu Chartier | c4ae916 | 2016-04-07 13:19:19 -0700 | [diff] [blame] | 1788 | manager_->GetCompiler()->SetRequiresConstructorBarrier(self, |
| 1789 | &dex_file, |
| 1790 | class_def_index, |
| 1791 | requires_constructor_barrier); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1792 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1793 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1794 | private: |
| 1795 | const ParallelCompilationManager* const manager_; |
| 1796 | }; |
| 1797 | |
| 1798 | class ResolveTypeVisitor : public CompilationVisitor { |
| 1799 | public: |
| 1800 | explicit ResolveTypeVisitor(const ParallelCompilationManager* manager) : manager_(manager) { |
| 1801 | } |
Andreas Gampe | a5b09a6 | 2016-11-17 15:21:22 -0800 | [diff] [blame] | 1802 | void Visit(size_t type_idx) OVERRIDE REQUIRES(!Locks::mutator_lock_) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1803 | // Class derived values are more complicated, they require the linker and loader. |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1804 | ScopedObjectAccess soa(Thread::Current()); |
| 1805 | ClassLinker* class_linker = manager_->GetClassLinker(); |
| 1806 | const DexFile& dex_file = *manager_->GetDexFile(); |
| 1807 | StackHandleScope<2> hs(soa.Self()); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1808 | Handle<mirror::ClassLoader> class_loader( |
Mathieu Chartier | 0795f23 | 2016-09-27 18:43:30 -0700 | [diff] [blame] | 1809 | hs.NewHandle(soa.Decode<mirror::ClassLoader>(manager_->GetClassLoader()))); |
Mathieu Chartier | d57d454 | 2015-10-14 10:55:30 -0700 | [diff] [blame] | 1810 | Handle<mirror::DexCache> dex_cache(hs.NewHandle(class_linker->RegisterDexFile( |
| 1811 | dex_file, |
Mathieu Chartier | f284d44 | 2016-06-02 11:48:30 -0700 | [diff] [blame] | 1812 | class_loader.Get()))); |
Andreas Gampe | fa4333d | 2017-02-14 11:10:34 -0800 | [diff] [blame] | 1813 | ObjPtr<mirror::Class> klass = (dex_cache != nullptr) |
Vladimir Marko | 666ee3d | 2017-12-11 18:37:36 +0000 | [diff] [blame] | 1814 | ? class_linker->ResolveType(dex::TypeIndex(type_idx), dex_cache, class_loader) |
Vladimir Marko | cd556b0 | 2017-02-03 11:47:34 +0000 | [diff] [blame] | 1815 | : nullptr; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1816 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1817 | if (klass == nullptr) { |
| 1818 | soa.Self()->AssertPendingException(); |
| 1819 | mirror::Throwable* exception = soa.Self()->GetException(); |
| 1820 | VLOG(compiler) << "Exception during type resolution: " << exception->Dump(); |
| 1821 | if (exception->GetClass()->DescriptorEquals("Ljava/lang/OutOfMemoryError;")) { |
| 1822 | // There's little point continuing compilation if the heap is exhausted. |
| 1823 | LOG(FATAL) << "Out of memory during type resolution for compilation"; |
| 1824 | } |
| 1825 | soa.Self()->ClearException(); |
Ian Rogers | a436fde | 2013-08-27 23:34:06 -0700 | [diff] [blame] | 1826 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1827 | } |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1828 | |
| 1829 | private: |
| 1830 | const ParallelCompilationManager* const manager_; |
| 1831 | }; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1832 | |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 1833 | void CompilerDriver::ResolveDexFile(jobject class_loader, |
| 1834 | const DexFile& dex_file, |
Andreas Gampe | de7b436 | 2014-07-28 18:38:57 -0700 | [diff] [blame] | 1835 | const std::vector<const DexFile*>& dex_files, |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 1836 | ThreadPool* thread_pool, |
| 1837 | size_t thread_count, |
| 1838 | TimingLogger* timings) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1839 | ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); |
| 1840 | |
| 1841 | // TODO: we could resolve strings here, although the string table is largely filled with class |
| 1842 | // and method names. |
| 1843 | |
Andreas Gampe | de7b436 | 2014-07-28 18:38:57 -0700 | [diff] [blame] | 1844 | ParallelCompilationManager context(class_linker, class_loader, this, &dex_file, dex_files, |
| 1845 | thread_pool); |
Vladimir Marko | aad75c6 | 2016-10-03 08:46:48 +0000 | [diff] [blame] | 1846 | if (GetCompilerOptions().IsBootImage()) { |
Ian Rogers | e6bb3b2 | 2013-08-19 21:51:45 -0700 | [diff] [blame] | 1847 | // For images we resolve all types, such as array, whereas for applications just those with |
| 1848 | // classdefs are resolved by ResolveClassFieldsAndMethods. |
Mathieu Chartier | f5997b4 | 2014-06-20 10:37:54 -0700 | [diff] [blame] | 1849 | TimingLogger::ScopedTiming t("Resolve Types", timings); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1850 | ResolveTypeVisitor visitor(&context); |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 1851 | context.ForAll(0, dex_file.NumTypeIds(), &visitor, thread_count); |
Ian Rogers | e6bb3b2 | 2013-08-19 21:51:45 -0700 | [diff] [blame] | 1852 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1853 | |
Mathieu Chartier | f5997b4 | 2014-06-20 10:37:54 -0700 | [diff] [blame] | 1854 | TimingLogger::ScopedTiming t("Resolve MethodsAndFields", timings); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1855 | ResolveClassFieldsAndMethodsVisitor visitor(&context); |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 1856 | context.ForAll(0, dex_file.NumClassDefs(), &visitor, thread_count); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1857 | } |
| 1858 | |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 1859 | void CompilerDriver::SetVerified(jobject class_loader, |
| 1860 | const std::vector<const DexFile*>& dex_files, |
| 1861 | TimingLogger* timings) { |
| 1862 | // This can be run in parallel. |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1863 | for (const DexFile* dex_file : dex_files) { |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 1864 | CHECK(dex_file != nullptr); |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 1865 | SetVerifiedDexFile(class_loader, |
| 1866 | *dex_file, |
| 1867 | dex_files, |
| 1868 | parallel_thread_pool_.get(), |
| 1869 | parallel_thread_count_, |
| 1870 | timings); |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 1871 | } |
| 1872 | } |
| 1873 | |
Mathieu Chartier | c8c8d5f | 2018-05-22 11:56:14 -0700 | [diff] [blame] | 1874 | static void LoadAndUpdateStatus(const ClassAccessor& accessor, |
Vladimir Marko | 2c64a83 | 2018-01-04 11:31:56 +0000 | [diff] [blame] | 1875 | ClassStatus status, |
Nicolas Geoffray | 0a27fd0 | 2017-01-25 16:18:54 +0000 | [diff] [blame] | 1876 | Handle<mirror::ClassLoader> class_loader, |
| 1877 | Thread* self) |
| 1878 | REQUIRES_SHARED(Locks::mutator_lock_) { |
| 1879 | StackHandleScope<1> hs(self); |
Mathieu Chartier | c8c8d5f | 2018-05-22 11:56:14 -0700 | [diff] [blame] | 1880 | const char* descriptor = accessor.GetDescriptor(); |
Nicolas Geoffray | 0a27fd0 | 2017-01-25 16:18:54 +0000 | [diff] [blame] | 1881 | ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); |
| 1882 | Handle<mirror::Class> cls(hs.NewHandle<mirror::Class>( |
| 1883 | class_linker->FindClass(self, descriptor, class_loader))); |
Andreas Gampe | fa4333d | 2017-02-14 11:10:34 -0800 | [diff] [blame] | 1884 | if (cls != nullptr) { |
Nicolas Geoffray | 0a27fd0 | 2017-01-25 16:18:54 +0000 | [diff] [blame] | 1885 | // Check that the class is resolved with the current dex file. We might get |
| 1886 | // a boot image class, or a class in a different dex file for multidex, and |
| 1887 | // we should not update the status in that case. |
Mathieu Chartier | c8c8d5f | 2018-05-22 11:56:14 -0700 | [diff] [blame] | 1888 | if (&cls->GetDexFile() == &accessor.GetDexFile()) { |
Nicolas Geoffray | 0a27fd0 | 2017-01-25 16:18:54 +0000 | [diff] [blame] | 1889 | ObjectLock<mirror::Class> lock(self, cls); |
| 1890 | mirror::Class::SetStatus(cls, status, self); |
| 1891 | } |
| 1892 | } else { |
| 1893 | DCHECK(self->IsExceptionPending()); |
| 1894 | self->ClearException(); |
| 1895 | } |
| 1896 | } |
| 1897 | |
Nicolas Geoffray | 7498105 | 2017-01-16 17:54:09 +0000 | [diff] [blame] | 1898 | bool CompilerDriver::FastVerify(jobject jclass_loader, |
| 1899 | const std::vector<const DexFile*>& dex_files, |
| 1900 | TimingLogger* timings) { |
Nicolas Geoffray | b0bbe8e | 2016-11-19 10:42:37 +0000 | [diff] [blame] | 1901 | verifier::VerifierDeps* verifier_deps = |
| 1902 | Runtime::Current()->GetCompilerCallbacks()->GetVerifierDeps(); |
Mathieu Chartier | 72041a0 | 2017-07-14 18:23:25 -0700 | [diff] [blame] | 1903 | // If there exist VerifierDeps that aren't the ones we just created to output, use them to verify. |
| 1904 | if (verifier_deps == nullptr || verifier_deps->OutputOnly()) { |
Nicolas Geoffray | 7498105 | 2017-01-16 17:54:09 +0000 | [diff] [blame] | 1905 | return false; |
| 1906 | } |
| 1907 | TimingLogger::ScopedTiming t("Fast Verify", timings); |
| 1908 | ScopedObjectAccess soa(Thread::Current()); |
| 1909 | StackHandleScope<2> hs(soa.Self()); |
| 1910 | Handle<mirror::ClassLoader> class_loader( |
| 1911 | hs.NewHandle(soa.Decode<mirror::ClassLoader>(jclass_loader))); |
Nicolas Geoffray | 7498105 | 2017-01-16 17:54:09 +0000 | [diff] [blame] | 1912 | if (!verifier_deps->ValidateDependencies(class_loader, soa.Self())) { |
| 1913 | return false; |
| 1914 | } |
| 1915 | |
Nicolas Geoffray | 49cda06 | 2017-04-21 13:08:25 +0100 | [diff] [blame] | 1916 | bool compiler_only_verifies = !GetCompilerOptions().IsAnyCompilationEnabled(); |
Nicolas Geoffray | 0a27fd0 | 2017-01-25 16:18:54 +0000 | [diff] [blame] | 1917 | |
Nicolas Geoffray | 7498105 | 2017-01-16 17:54:09 +0000 | [diff] [blame] | 1918 | // We successfully validated the dependencies, now update class status |
| 1919 | // of verified classes. Note that the dependencies also record which classes |
| 1920 | // could not be fully verified; we could try again, but that would hurt verification |
| 1921 | // time. So instead we assume these classes still need to be verified at |
| 1922 | // runtime. |
| 1923 | for (const DexFile* dex_file : dex_files) { |
Mathieu Chartier | bf755fe | 2017-08-01 13:42:56 -0700 | [diff] [blame] | 1924 | // Fetch the list of unverified classes. |
| 1925 | const std::set<dex::TypeIndex>& unverified_classes = |
Nicolas Geoffray | 7498105 | 2017-01-16 17:54:09 +0000 | [diff] [blame] | 1926 | verifier_deps->GetUnverifiedClasses(*dex_file); |
Mathieu Chartier | c8c8d5f | 2018-05-22 11:56:14 -0700 | [diff] [blame] | 1927 | for (ClassAccessor accessor : dex_file->GetClasses()) { |
| 1928 | if (unverified_classes.find(accessor.GetClassIdx()) == unverified_classes.end()) { |
Nicolas Geoffray | 0a27fd0 | 2017-01-25 16:18:54 +0000 | [diff] [blame] | 1929 | if (compiler_only_verifies) { |
Nicolas Geoffray | 7498105 | 2017-01-16 17:54:09 +0000 | [diff] [blame] | 1930 | // Just update the compiled_classes_ map. The compiler doesn't need to resolve |
| 1931 | // the type. |
Mathieu Chartier | 18e2687 | 2018-06-04 17:19:02 -0700 | [diff] [blame^] | 1932 | ClassReference ref(dex_file, accessor.GetClassDefIndex()); |
Mathieu Chartier | 2eabc61 | 2018-05-25 14:31:16 -0700 | [diff] [blame] | 1933 | const ClassStatus existing = ClassStatus::kNotReady; |
Mathieu Chartier | 1a088d4 | 2017-07-18 11:43:57 -0700 | [diff] [blame] | 1934 | ClassStateTable::InsertResult result = |
Vladimir Marko | 2c64a83 | 2018-01-04 11:31:56 +0000 | [diff] [blame] | 1935 | compiled_classes_.Insert(ref, existing, ClassStatus::kVerified); |
Mathieu Chartier | 2eabc61 | 2018-05-25 14:31:16 -0700 | [diff] [blame] | 1936 | CHECK_EQ(result, ClassStateTable::kInsertResultSuccess) << ref.dex_file->GetLocation(); |
Nicolas Geoffray | 7498105 | 2017-01-16 17:54:09 +0000 | [diff] [blame] | 1937 | } else { |
Nicolas Geoffray | 0a27fd0 | 2017-01-25 16:18:54 +0000 | [diff] [blame] | 1938 | // 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] | 1939 | // the class. |
Mathieu Chartier | c8c8d5f | 2018-05-22 11:56:14 -0700 | [diff] [blame] | 1940 | LoadAndUpdateStatus(accessor, ClassStatus::kVerified, class_loader, soa.Self()); |
Nicolas Geoffray | 7498105 | 2017-01-16 17:54:09 +0000 | [diff] [blame] | 1941 | // Create `VerifiedMethod`s for each methods, the compiler expects one for |
| 1942 | // quickening or compiling. |
| 1943 | // Note that this means: |
| 1944 | // - We're only going to compile methods that did verify. |
| 1945 | // - Quickening will not do checkcast ellision. |
| 1946 | // TODO(ngeoffray): Reconsider this once we refactor compiler filters. |
Mathieu Chartier | 0d896bd | 2018-05-25 00:20:27 -0700 | [diff] [blame] | 1947 | for (const ClassAccessor::Method& method : accessor.GetMethods()) { |
Mathieu Chartier | c8c8d5f | 2018-05-22 11:56:14 -0700 | [diff] [blame] | 1948 | verification_results_->CreateVerifiedMethodFor(method.GetReference()); |
Mathieu Chartier | 0d896bd | 2018-05-25 00:20:27 -0700 | [diff] [blame] | 1949 | } |
Nicolas Geoffray | 6bb7f1b | 2016-11-03 10:52:49 +0000 | [diff] [blame] | 1950 | } |
Nicolas Geoffray | 0a27fd0 | 2017-01-25 16:18:54 +0000 | [diff] [blame] | 1951 | } else if (!compiler_only_verifies) { |
| 1952 | // Make sure later compilation stages know they should not try to verify |
| 1953 | // this class again. |
Mathieu Chartier | c8c8d5f | 2018-05-22 11:56:14 -0700 | [diff] [blame] | 1954 | LoadAndUpdateStatus(accessor, |
Vladimir Marko | 2c64a83 | 2018-01-04 11:31:56 +0000 | [diff] [blame] | 1955 | ClassStatus::kRetryVerificationAtRuntime, |
Nicolas Geoffray | 0a27fd0 | 2017-01-25 16:18:54 +0000 | [diff] [blame] | 1956 | class_loader, |
| 1957 | soa.Self()); |
Nicolas Geoffray | 6bb7f1b | 2016-11-03 10:52:49 +0000 | [diff] [blame] | 1958 | } |
Nicolas Geoffray | 6bb7f1b | 2016-11-03 10:52:49 +0000 | [diff] [blame] | 1959 | } |
| 1960 | } |
Nicolas Geoffray | 7498105 | 2017-01-16 17:54:09 +0000 | [diff] [blame] | 1961 | return true; |
| 1962 | } |
| 1963 | |
| 1964 | void CompilerDriver::Verify(jobject jclass_loader, |
| 1965 | const std::vector<const DexFile*>& dex_files, |
| 1966 | TimingLogger* timings) { |
| 1967 | if (FastVerify(jclass_loader, dex_files, timings)) { |
| 1968 | return; |
| 1969 | } |
Nicolas Geoffray | 6bb7f1b | 2016-11-03 10:52:49 +0000 | [diff] [blame] | 1970 | |
Nicolas Geoffray | b0bbe8e | 2016-11-19 10:42:37 +0000 | [diff] [blame] | 1971 | // If there is no existing `verifier_deps` (because of non-existing vdex), or |
| 1972 | // 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] | 1973 | // non boot image compilation. The verifier will need it to record the new dependencies. |
| 1974 | // Then dex2oat can update the vdex file with these new dependencies. |
| 1975 | if (!GetCompilerOptions().IsBootImage()) { |
Mathieu Chartier | 72041a0 | 2017-07-14 18:23:25 -0700 | [diff] [blame] | 1976 | // Dex2oat creates the verifier deps. |
Nicolas Geoffray | 340dafa | 2016-11-18 16:03:10 +0000 | [diff] [blame] | 1977 | // Create the main VerifierDeps, and set it to this thread. |
Mathieu Chartier | 72041a0 | 2017-07-14 18:23:25 -0700 | [diff] [blame] | 1978 | verifier::VerifierDeps* verifier_deps = |
| 1979 | Runtime::Current()->GetCompilerCallbacks()->GetVerifierDeps(); |
| 1980 | CHECK(verifier_deps != nullptr); |
Nicolas Geoffray | b0bbe8e | 2016-11-19 10:42:37 +0000 | [diff] [blame] | 1981 | Thread::Current()->SetVerifierDeps(verifier_deps); |
Nicolas Geoffray | 340dafa | 2016-11-18 16:03:10 +0000 | [diff] [blame] | 1982 | // Create per-thread VerifierDeps to avoid contention on the main one. |
| 1983 | // We will merge them after verification. |
| 1984 | for (ThreadPoolWorker* worker : parallel_thread_pool_->GetWorkers()) { |
Mathieu Chartier | 72041a0 | 2017-07-14 18:23:25 -0700 | [diff] [blame] | 1985 | worker->GetThread()->SetVerifierDeps(new verifier::VerifierDeps(dex_files_for_oat_file_)); |
Nicolas Geoffray | 340dafa | 2016-11-18 16:03:10 +0000 | [diff] [blame] | 1986 | } |
Nicolas Geoffray | 6bb7f1b | 2016-11-03 10:52:49 +0000 | [diff] [blame] | 1987 | } |
Nicolas Geoffray | 7498105 | 2017-01-16 17:54:09 +0000 | [diff] [blame] | 1988 | |
Nicolas Geoffray | 4684739 | 2017-04-28 14:56:39 +0100 | [diff] [blame] | 1989 | // Verification updates VerifierDeps and needs to run single-threaded to be deterministic. |
| 1990 | bool force_determinism = GetCompilerOptions().IsForceDeterminism(); |
| 1991 | ThreadPool* verify_thread_pool = |
| 1992 | force_determinism ? single_thread_pool_.get() : parallel_thread_pool_.get(); |
| 1993 | size_t verify_thread_count = force_determinism ? 1U : parallel_thread_count_; |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1994 | for (const DexFile* dex_file : dex_files) { |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 1995 | CHECK(dex_file != nullptr); |
Nicolas Geoffray | 6bb7f1b | 2016-11-03 10:52:49 +0000 | [diff] [blame] | 1996 | VerifyDexFile(jclass_loader, |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 1997 | *dex_file, |
| 1998 | dex_files, |
Nicolas Geoffray | 4684739 | 2017-04-28 14:56:39 +0100 | [diff] [blame] | 1999 | verify_thread_pool, |
| 2000 | verify_thread_count, |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 2001 | timings); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2002 | } |
Nicolas Geoffray | 340dafa | 2016-11-18 16:03:10 +0000 | [diff] [blame] | 2003 | |
| 2004 | if (!GetCompilerOptions().IsBootImage()) { |
Nicolas Geoffray | 340dafa | 2016-11-18 16:03:10 +0000 | [diff] [blame] | 2005 | // Merge all VerifierDeps into the main one. |
Nicolas Geoffray | 7498105 | 2017-01-16 17:54:09 +0000 | [diff] [blame] | 2006 | verifier::VerifierDeps* verifier_deps = Thread::Current()->GetVerifierDeps(); |
Nicolas Geoffray | 340dafa | 2016-11-18 16:03:10 +0000 | [diff] [blame] | 2007 | for (ThreadPoolWorker* worker : parallel_thread_pool_->GetWorkers()) { |
| 2008 | verifier::VerifierDeps* thread_deps = worker->GetThread()->GetVerifierDeps(); |
| 2009 | worker->GetThread()->SetVerifierDeps(nullptr); |
Mathieu Chartier | 72041a0 | 2017-07-14 18:23:25 -0700 | [diff] [blame] | 2010 | verifier_deps->MergeWith(*thread_deps, dex_files_for_oat_file_); |
Nicolas Geoffray | 340dafa | 2016-11-18 16:03:10 +0000 | [diff] [blame] | 2011 | delete thread_deps; |
| 2012 | } |
| 2013 | Thread::Current()->SetVerifierDeps(nullptr); |
| 2014 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2015 | } |
| 2016 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2017 | class VerifyClassVisitor : public CompilationVisitor { |
| 2018 | public: |
Andreas Gampe | 5fd66d0 | 2016-09-12 20:22:19 -0700 | [diff] [blame] | 2019 | VerifyClassVisitor(const ParallelCompilationManager* manager, verifier::HardFailLogMode log_level) |
Andreas Gampe | 7fe3023 | 2016-03-25 16:58:00 -0700 | [diff] [blame] | 2020 | : manager_(manager), log_level_(log_level) {} |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2021 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2022 | 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] | 2023 | ScopedTrace trace(__FUNCTION__); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2024 | ScopedObjectAccess soa(Thread::Current()); |
| 2025 | const DexFile& dex_file = *manager_->GetDexFile(); |
| 2026 | const DexFile::ClassDef& class_def = dex_file.GetClassDef(class_def_index); |
| 2027 | const char* descriptor = dex_file.GetClassDescriptor(class_def); |
| 2028 | ClassLinker* class_linker = manager_->GetClassLinker(); |
| 2029 | jobject jclass_loader = manager_->GetClassLoader(); |
| 2030 | StackHandleScope<3> hs(soa.Self()); |
| 2031 | Handle<mirror::ClassLoader> class_loader( |
Mathieu Chartier | 0795f23 | 2016-09-27 18:43:30 -0700 | [diff] [blame] | 2032 | hs.NewHandle(soa.Decode<mirror::ClassLoader>(jclass_loader))); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2033 | Handle<mirror::Class> klass( |
| 2034 | hs.NewHandle(class_linker->FindClass(soa.Self(), descriptor, class_loader))); |
Andreas Gampe | 6d7abbd | 2017-04-24 13:19:09 -0700 | [diff] [blame] | 2035 | verifier::FailureKind failure_kind; |
Andreas Gampe | fa4333d | 2017-02-14 11:10:34 -0800 | [diff] [blame] | 2036 | if (klass == nullptr) { |
Ian Rogers | e6bb3b2 | 2013-08-19 21:51:45 -0700 | [diff] [blame] | 2037 | CHECK(soa.Self()->IsExceptionPending()); |
| 2038 | soa.Self()->ClearException(); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2039 | |
| 2040 | /* |
| 2041 | * At compile time, we can still structurally verify the class even if FindClass fails. |
| 2042 | * This is to ensure the class is structurally sound for compilation. An unsound class |
| 2043 | * will be rejected by the verifier and later skipped during compilation in the compiler. |
| 2044 | */ |
Mathieu Chartier | 673ed3d | 2015-08-28 14:56:43 -0700 | [diff] [blame] | 2045 | Handle<mirror::DexCache> dex_cache(hs.NewHandle(class_linker->FindDexCache( |
Vladimir Marko | cd556b0 | 2017-02-03 11:47:34 +0000 | [diff] [blame] | 2046 | soa.Self(), dex_file))); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2047 | std::string error_msg; |
Nicolas Geoffray | 0802518 | 2016-10-25 17:20:18 +0100 | [diff] [blame] | 2048 | failure_kind = |
| 2049 | verifier::MethodVerifier::VerifyClass(soa.Self(), |
Andreas Gampe | ec6e6c1 | 2015-11-05 20:39:56 -0800 | [diff] [blame] | 2050 | &dex_file, |
| 2051 | dex_cache, |
| 2052 | class_loader, |
David Brazdil | 15fc729 | 2016-09-02 14:13:18 +0100 | [diff] [blame] | 2053 | class_def, |
Andreas Gampe | 53e32d1 | 2015-12-09 21:03:23 -0800 | [diff] [blame] | 2054 | Runtime::Current()->GetCompilerCallbacks(), |
Andreas Gampe | ec6e6c1 | 2015-11-05 20:39:56 -0800 | [diff] [blame] | 2055 | true /* allow soft failures */, |
Andreas Gampe | 7fe3023 | 2016-03-25 16:58:00 -0700 | [diff] [blame] | 2056 | log_level_, |
Nicolas Geoffray | 0802518 | 2016-10-25 17:20:18 +0100 | [diff] [blame] | 2057 | &error_msg); |
Andreas Gampe | 6d7abbd | 2017-04-24 13:19:09 -0700 | [diff] [blame] | 2058 | if (failure_kind == verifier::FailureKind::kHardFailure) { |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2059 | LOG(ERROR) << "Verification failed on class " << PrettyDescriptor(descriptor) |
| 2060 | << " because: " << error_msg; |
| 2061 | manager_->GetCompiler()->SetHadHardVerifierFailure(); |
Andreas Gampe | f39208f | 2017-10-19 15:06:59 -0700 | [diff] [blame] | 2062 | } else if (failure_kind == verifier::FailureKind::kSoftFailure) { |
| 2063 | manager_->GetCompiler()->AddSoftVerifierFailure(); |
Nicolas Geoffray | 7cc3ae5 | 2017-03-07 14:33:37 +0000 | [diff] [blame] | 2064 | } else { |
| 2065 | // Force a soft failure for the VerifierDeps. This is a sanity measure, as |
| 2066 | // the vdex file already records that the class hasn't been resolved. It avoids |
| 2067 | // trying to do future verification optimizations when processing the vdex file. |
Andreas Gampe | f39208f | 2017-10-19 15:06:59 -0700 | [diff] [blame] | 2068 | DCHECK(failure_kind == verifier::FailureKind::kNoFailure) << failure_kind; |
Andreas Gampe | 6d7abbd | 2017-04-24 13:19:09 -0700 | [diff] [blame] | 2069 | failure_kind = verifier::FailureKind::kSoftFailure; |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2070 | } |
Andreas Gampe | bb30d5d | 2018-04-23 09:59:25 -0700 | [diff] [blame] | 2071 | } else if (&klass->GetDexFile() != &dex_file) { |
| 2072 | // Skip a duplicate class (as the resolved class is from another, earlier dex file). |
| 2073 | return; // Do not update state. |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2074 | } else if (!SkipClass(jclass_loader, dex_file, klass.Get())) { |
David Sehr | 709b070 | 2016-10-13 09:12:37 -0700 | [diff] [blame] | 2075 | CHECK(klass->IsResolved()) << klass->PrettyClass(); |
Nicolas Geoffray | 0802518 | 2016-10-25 17:20:18 +0100 | [diff] [blame] | 2076 | failure_kind = class_linker->VerifyClass(soa.Self(), klass, log_level_); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2077 | |
| 2078 | if (klass->IsErroneous()) { |
| 2079 | // ClassLinker::VerifyClass throws, which isn't useful in the compiler. |
| 2080 | CHECK(soa.Self()->IsExceptionPending()); |
| 2081 | soa.Self()->ClearException(); |
| 2082 | manager_->GetCompiler()->SetHadHardVerifierFailure(); |
Andreas Gampe | f39208f | 2017-10-19 15:06:59 -0700 | [diff] [blame] | 2083 | } else if (failure_kind == verifier::FailureKind::kSoftFailure) { |
| 2084 | manager_->GetCompiler()->AddSoftVerifierFailure(); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2085 | } |
| 2086 | |
Nicolas Geoffray | 7cc3ae5 | 2017-03-07 14:33:37 +0000 | [diff] [blame] | 2087 | CHECK(klass->ShouldVerifyAtRuntime() || klass->IsVerified() || klass->IsErroneous()) |
David Sehr | 709b070 | 2016-10-13 09:12:37 -0700 | [diff] [blame] | 2088 | << klass->PrettyDescriptor() << ": state=" << klass->GetStatus(); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2089 | |
Nicolas Geoffray | c7da1d6 | 2017-04-19 09:36:24 +0100 | [diff] [blame] | 2090 | // Class has a meaningful status for the compiler now, record it. |
| 2091 | ClassReference ref(manager_->GetDexFile(), class_def_index); |
| 2092 | manager_->GetCompiler()->RecordClassStatus(ref, klass->GetStatus()); |
| 2093 | |
Andreas Gampe | d278cb4 | 2017-11-22 14:13:00 -0800 | [diff] [blame] | 2094 | // It is *very* problematic if there are resolution errors in the boot classpath. |
| 2095 | // |
| 2096 | // It is also bad if classes fail verification. For example, we rely on things working |
| 2097 | // OK without verification when the decryption dialog is brought up. It is thus highly |
| 2098 | // recommended to compile the boot classpath with |
| 2099 | // --abort-on-hard-verifier-error --abort-on-soft-verifier-error |
| 2100 | // which is the default build system configuration. |
Narayan Kamath | e3eae5e | 2016-10-27 11:47:30 +0100 | [diff] [blame] | 2101 | if (kIsDebugBuild) { |
Orion Hodson | c5e0d3f | 2017-08-22 19:00:04 +0100 | [diff] [blame] | 2102 | if (manager_->GetCompiler()->GetCompilerOptions().IsBootImage()) { |
Andreas Gampe | d278cb4 | 2017-11-22 14:13:00 -0800 | [diff] [blame] | 2103 | if (!klass->IsResolved() || klass->IsErroneous()) { |
Andreas Gampe | 12fadcd | 2017-08-03 05:06:28 -0700 | [diff] [blame] | 2104 | LOG(FATAL) << "Boot classpath class " << klass->PrettyClass() |
Andreas Gampe | d278cb4 | 2017-11-22 14:13:00 -0800 | [diff] [blame] | 2105 | << " failed to resolve/is erroneous: state= " << klass->GetStatus(); |
| 2106 | UNREACHABLE(); |
Andreas Gampe | 12fadcd | 2017-08-03 05:06:28 -0700 | [diff] [blame] | 2107 | } |
Narayan Kamath | e3eae5e | 2016-10-27 11:47:30 +0100 | [diff] [blame] | 2108 | } |
Nicolas Geoffray | 7cc3ae5 | 2017-03-07 14:33:37 +0000 | [diff] [blame] | 2109 | if (klass->IsVerified()) { |
Andreas Gampe | 6d7abbd | 2017-04-24 13:19:09 -0700 | [diff] [blame] | 2110 | DCHECK_EQ(failure_kind, verifier::FailureKind::kNoFailure); |
Nicolas Geoffray | 7cc3ae5 | 2017-03-07 14:33:37 +0000 | [diff] [blame] | 2111 | } else if (klass->ShouldVerifyAtRuntime()) { |
Andreas Gampe | 6d7abbd | 2017-04-24 13:19:09 -0700 | [diff] [blame] | 2112 | DCHECK_EQ(failure_kind, verifier::FailureKind::kSoftFailure); |
Nicolas Geoffray | 7cc3ae5 | 2017-03-07 14:33:37 +0000 | [diff] [blame] | 2113 | } else { |
Andreas Gampe | 6d7abbd | 2017-04-24 13:19:09 -0700 | [diff] [blame] | 2114 | DCHECK_EQ(failure_kind, verifier::FailureKind::kHardFailure); |
Nicolas Geoffray | 7cc3ae5 | 2017-03-07 14:33:37 +0000 | [diff] [blame] | 2115 | } |
Narayan Kamath | e3eae5e | 2016-10-27 11:47:30 +0100 | [diff] [blame] | 2116 | } |
Nicolas Geoffray | 0802518 | 2016-10-25 17:20:18 +0100 | [diff] [blame] | 2117 | } else { |
| 2118 | // 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] | 2119 | failure_kind = verifier::FailureKind::kSoftFailure; |
Ian Rogers | e6bb3b2 | 2013-08-19 21:51:45 -0700 | [diff] [blame] | 2120 | } |
Nicolas Geoffray | 0802518 | 2016-10-25 17:20:18 +0100 | [diff] [blame] | 2121 | verifier::VerifierDeps::MaybeRecordVerificationStatus( |
| 2122 | dex_file, class_def.class_idx_, failure_kind); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2123 | soa.Self()->AssertNoPendingException(); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2124 | } |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2125 | |
| 2126 | private: |
| 2127 | const ParallelCompilationManager* const manager_; |
Andreas Gampe | 5fd66d0 | 2016-09-12 20:22:19 -0700 | [diff] [blame] | 2128 | const verifier::HardFailLogMode log_level_; |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2129 | }; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2130 | |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 2131 | void CompilerDriver::VerifyDexFile(jobject class_loader, |
| 2132 | const DexFile& dex_file, |
Andreas Gampe | de7b436 | 2014-07-28 18:38:57 -0700 | [diff] [blame] | 2133 | const std::vector<const DexFile*>& dex_files, |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 2134 | ThreadPool* thread_pool, |
| 2135 | size_t thread_count, |
| 2136 | TimingLogger* timings) { |
Mathieu Chartier | f5997b4 | 2014-06-20 10:37:54 -0700 | [diff] [blame] | 2137 | TimingLogger::ScopedTiming t("Verify Dex File", timings); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2138 | ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); |
Andreas Gampe | de7b436 | 2014-07-28 18:38:57 -0700 | [diff] [blame] | 2139 | ParallelCompilationManager context(class_linker, class_loader, this, &dex_file, dex_files, |
| 2140 | thread_pool); |
Andreas Gampe | f39208f | 2017-10-19 15:06:59 -0700 | [diff] [blame] | 2141 | bool abort_on_verifier_failures = GetCompilerOptions().AbortOnHardVerifierFailure() |
| 2142 | || GetCompilerOptions().AbortOnSoftVerifierFailure(); |
| 2143 | verifier::HardFailLogMode log_level = abort_on_verifier_failures |
Andreas Gampe | 5fd66d0 | 2016-09-12 20:22:19 -0700 | [diff] [blame] | 2144 | ? verifier::HardFailLogMode::kLogInternalFatal |
| 2145 | : verifier::HardFailLogMode::kLogWarning; |
Andreas Gampe | 7fe3023 | 2016-03-25 16:58:00 -0700 | [diff] [blame] | 2146 | VerifyClassVisitor visitor(&context, log_level); |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 2147 | context.ForAll(0, dex_file.NumClassDefs(), &visitor, thread_count); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2148 | } |
| 2149 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2150 | class SetVerifiedClassVisitor : public CompilationVisitor { |
| 2151 | public: |
| 2152 | explicit SetVerifiedClassVisitor(const ParallelCompilationManager* manager) : manager_(manager) {} |
| 2153 | |
| 2154 | 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] | 2155 | ScopedTrace trace(__FUNCTION__); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2156 | ScopedObjectAccess soa(Thread::Current()); |
| 2157 | const DexFile& dex_file = *manager_->GetDexFile(); |
| 2158 | const DexFile::ClassDef& class_def = dex_file.GetClassDef(class_def_index); |
| 2159 | const char* descriptor = dex_file.GetClassDescriptor(class_def); |
| 2160 | ClassLinker* class_linker = manager_->GetClassLinker(); |
| 2161 | jobject jclass_loader = manager_->GetClassLoader(); |
| 2162 | StackHandleScope<3> hs(soa.Self()); |
| 2163 | Handle<mirror::ClassLoader> class_loader( |
Mathieu Chartier | 0795f23 | 2016-09-27 18:43:30 -0700 | [diff] [blame] | 2164 | hs.NewHandle(soa.Decode<mirror::ClassLoader>(jclass_loader))); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2165 | Handle<mirror::Class> klass( |
| 2166 | hs.NewHandle(class_linker->FindClass(soa.Self(), descriptor, class_loader))); |
| 2167 | // Class might have failed resolution. Then don't set it to verified. |
Andreas Gampe | fa4333d | 2017-02-14 11:10:34 -0800 | [diff] [blame] | 2168 | if (klass != nullptr) { |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2169 | // Only do this if the class is resolved. If even resolution fails, quickening will go very, |
| 2170 | // very wrong. |
Vladimir Marko | 72ab684 | 2017-01-20 19:32:50 +0000 | [diff] [blame] | 2171 | if (klass->IsResolved() && !klass->IsErroneousResolved()) { |
Vladimir Marko | 2c64a83 | 2018-01-04 11:31:56 +0000 | [diff] [blame] | 2172 | if (klass->GetStatus() < ClassStatus::kVerified) { |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2173 | ObjectLock<mirror::Class> lock(soa.Self(), klass); |
| 2174 | // Set class status to verified. |
Vladimir Marko | 2c64a83 | 2018-01-04 11:31:56 +0000 | [diff] [blame] | 2175 | mirror::Class::SetStatus(klass, ClassStatus::kVerified, soa.Self()); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2176 | // Mark methods as pre-verified. If we don't do this, the interpreter will run with |
| 2177 | // access checks. |
Igor Murashkin | df707e4 | 2016-02-02 16:56:50 -0800 | [diff] [blame] | 2178 | klass->SetSkipAccessChecksFlagOnAllMethods( |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2179 | GetInstructionSetPointerSize(manager_->GetCompiler()->GetInstructionSet())); |
Igor Murashkin | df707e4 | 2016-02-02 16:56:50 -0800 | [diff] [blame] | 2180 | klass->SetVerificationAttempted(); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2181 | } |
| 2182 | // Record the final class status if necessary. |
| 2183 | ClassReference ref(manager_->GetDexFile(), class_def_index); |
| 2184 | manager_->GetCompiler()->RecordClassStatus(ref, klass->GetStatus()); |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 2185 | } |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2186 | } else { |
| 2187 | Thread* self = soa.Self(); |
| 2188 | DCHECK(self->IsExceptionPending()); |
| 2189 | self->ClearException(); |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 2190 | } |
| 2191 | } |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2192 | |
| 2193 | private: |
| 2194 | const ParallelCompilationManager* const manager_; |
| 2195 | }; |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 2196 | |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 2197 | void CompilerDriver::SetVerifiedDexFile(jobject class_loader, |
| 2198 | const DexFile& dex_file, |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 2199 | const std::vector<const DexFile*>& dex_files, |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 2200 | ThreadPool* thread_pool, |
| 2201 | size_t thread_count, |
| 2202 | TimingLogger* timings) { |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 2203 | TimingLogger::ScopedTiming t("Verify Dex File", timings); |
Mathieu Chartier | 1a088d4 | 2017-07-18 11:43:57 -0700 | [diff] [blame] | 2204 | if (!compiled_classes_.HaveDexFile(&dex_file)) { |
Mathieu Chartier | fc8b422 | 2017-09-17 13:44:24 -0700 | [diff] [blame] | 2205 | compiled_classes_.AddDexFile(&dex_file); |
Mathieu Chartier | 1a088d4 | 2017-07-18 11:43:57 -0700 | [diff] [blame] | 2206 | } |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 2207 | ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); |
| 2208 | ParallelCompilationManager context(class_linker, class_loader, this, &dex_file, dex_files, |
| 2209 | thread_pool); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2210 | SetVerifiedClassVisitor visitor(&context); |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 2211 | context.ForAll(0, dex_file.NumClassDefs(), &visitor, thread_count); |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 2212 | } |
| 2213 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2214 | class InitializeClassVisitor : public CompilationVisitor { |
| 2215 | public: |
| 2216 | explicit InitializeClassVisitor(const ParallelCompilationManager* manager) : manager_(manager) {} |
Ian Rogers | fc0e94b | 2013-09-23 23:51:32 -0700 | [diff] [blame] | 2217 | |
Mathieu Chartier | f1dd69a | 2017-06-08 23:30:15 +0000 | [diff] [blame] | 2218 | void Visit(size_t class_def_index) OVERRIDE { |
Andreas Gampe | 9b827ab | 2017-12-07 19:32:48 -0800 | [diff] [blame] | 2219 | ScopedTrace trace(__FUNCTION__); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2220 | jobject jclass_loader = manager_->GetClassLoader(); |
| 2221 | const DexFile& dex_file = *manager_->GetDexFile(); |
| 2222 | const DexFile::ClassDef& class_def = dex_file.GetClassDef(class_def_index); |
| 2223 | const DexFile::TypeId& class_type_id = dex_file.GetTypeId(class_def.class_idx_); |
| 2224 | const char* descriptor = dex_file.StringDataByIdx(class_type_id.descriptor_idx_); |
Jeff Hao | 0e49b42 | 2013-11-08 12:16:56 -0800 | [diff] [blame] | 2225 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2226 | ScopedObjectAccess soa(Thread::Current()); |
| 2227 | StackHandleScope<3> hs(soa.Self()); |
| 2228 | Handle<mirror::ClassLoader> class_loader( |
Mathieu Chartier | 0795f23 | 2016-09-27 18:43:30 -0700 | [diff] [blame] | 2229 | hs.NewHandle(soa.Decode<mirror::ClassLoader>(jclass_loader))); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2230 | Handle<mirror::Class> klass( |
| 2231 | hs.NewHandle(manager_->GetClassLinker()->FindClass(soa.Self(), descriptor, class_loader))); |
| 2232 | |
Mathieu Chartier | f1dd69a | 2017-06-08 23:30:15 +0000 | [diff] [blame] | 2233 | if (klass != nullptr && !SkipClass(manager_->GetClassLoader(), dex_file, klass.Get())) { |
| 2234 | TryInitializeClass(klass, class_loader); |
| 2235 | } |
| 2236 | // Clear any class not found or verification exceptions. |
| 2237 | soa.Self()->ClearException(); |
| 2238 | } |
| 2239 | |
| 2240 | // A helper function for initializing klass. |
| 2241 | void TryInitializeClass(Handle<mirror::Class> klass, Handle<mirror::ClassLoader>& class_loader) |
| 2242 | REQUIRES_SHARED(Locks::mutator_lock_) { |
| 2243 | const DexFile& dex_file = klass->GetDexFile(); |
| 2244 | const DexFile::ClassDef* class_def = klass->GetClassDef(); |
| 2245 | const DexFile::TypeId& class_type_id = dex_file.GetTypeId(class_def->class_idx_); |
| 2246 | const char* descriptor = dex_file.StringDataByIdx(class_type_id.descriptor_idx_); |
| 2247 | ScopedObjectAccessUnchecked soa(Thread::Current()); |
| 2248 | StackHandleScope<3> hs(soa.Self()); |
Mathieu Chartier | dabeb3a | 2017-06-12 17:10:07 -0700 | [diff] [blame] | 2249 | const bool is_boot_image = manager_->GetCompiler()->GetCompilerOptions().IsBootImage(); |
Mathieu Chartier | 17498e5 | 2017-06-13 11:35:04 -0700 | [diff] [blame] | 2250 | const bool is_app_image = manager_->GetCompiler()->GetCompilerOptions().IsAppImage(); |
Mathieu Chartier | f1dd69a | 2017-06-08 23:30:15 +0000 | [diff] [blame] | 2251 | |
Vladimir Marko | 2c64a83 | 2018-01-04 11:31:56 +0000 | [diff] [blame] | 2252 | ClassStatus old_status = klass->GetStatus(); |
Mathieu Chartier | 1a088d4 | 2017-07-18 11:43:57 -0700 | [diff] [blame] | 2253 | // Don't initialize classes in boot space when compiling app image |
| 2254 | if (is_app_image && klass->IsBootStrapClassLoaded()) { |
| 2255 | // Also return early and don't store the class status in the recorded class status. |
| 2256 | return; |
| 2257 | } |
Mathieu Chartier | f1dd69a | 2017-06-08 23:30:15 +0000 | [diff] [blame] | 2258 | // Only try to initialize classes that were successfully verified. |
| 2259 | if (klass->IsVerified()) { |
| 2260 | // Attempt to initialize the class but bail if we either need to initialize the super-class |
| 2261 | // or static fields. |
Nicolas Geoffray | abadf02 | 2017-08-03 08:25:41 +0000 | [diff] [blame] | 2262 | manager_->GetClassLinker()->EnsureInitialized(soa.Self(), klass, false, false); |
Mathieu Chartier | f1dd69a | 2017-06-08 23:30:15 +0000 | [diff] [blame] | 2263 | old_status = klass->GetStatus(); |
| 2264 | if (!klass->IsInitialized()) { |
| 2265 | // We don't want non-trivial class initialization occurring on multiple threads due to |
| 2266 | // deadlock problems. For example, a parent class is initialized (holding its lock) that |
| 2267 | // refers to a sub-class in its static/class initializer causing it to try to acquire the |
| 2268 | // sub-class' lock. While on a second thread the sub-class is initialized (holding its lock) |
| 2269 | // after first initializing its parents, whose locks are acquired. This leads to a |
| 2270 | // parent-to-child and a child-to-parent lock ordering and consequent potential deadlock. |
| 2271 | // We need to use an ObjectLock due to potential suspension in the interpreting code. Rather |
| 2272 | // than use a special Object for the purpose we use the Class of java.lang.Class. |
| 2273 | Handle<mirror::Class> h_klass(hs.NewHandle(klass->GetClass())); |
| 2274 | ObjectLock<mirror::Class> lock(soa.Self(), h_klass); |
| 2275 | // Attempt to initialize allowing initialization of parent classes but still not static |
| 2276 | // fields. |
Chang Xing | e602b1c | 2017-06-30 11:55:01 -0700 | [diff] [blame] | 2277 | // Initialize dependencies first only for app image, to make TryInitialize recursive. |
| 2278 | bool is_superclass_initialized = !is_app_image ? true : |
| 2279 | InitializeDependencies(klass, class_loader, soa.Self()); |
| 2280 | if (!is_app_image || (is_app_image && is_superclass_initialized)) { |
Nicolas Geoffray | abadf02 | 2017-08-03 08:25:41 +0000 | [diff] [blame] | 2281 | manager_->GetClassLinker()->EnsureInitialized(soa.Self(), klass, false, true); |
Chang Xing | e602b1c | 2017-06-30 11:55:01 -0700 | [diff] [blame] | 2282 | } |
| 2283 | // 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] | 2284 | old_status = klass->GetStatus(); |
Chang Xing | 70f689d | 2017-06-08 17:16:12 -0700 | [diff] [blame] | 2285 | |
| 2286 | bool too_many_encoded_fields = false; |
| 2287 | if (!is_boot_image && klass->NumStaticFields() > kMaxEncodedFields) { |
| 2288 | too_many_encoded_fields = true; |
| 2289 | } |
Mathieu Chartier | dabeb3a | 2017-06-12 17:10:07 -0700 | [diff] [blame] | 2290 | // 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] | 2291 | // fields. Limit the max number of encoded fields. |
Mathieu Chartier | f1dd69a | 2017-06-08 23:30:15 +0000 | [diff] [blame] | 2292 | if (!klass->IsInitialized() && |
Mathieu Chartier | 17498e5 | 2017-06-13 11:35:04 -0700 | [diff] [blame] | 2293 | (is_app_image || is_boot_image) && |
Chang Xing | e602b1c | 2017-06-30 11:55:01 -0700 | [diff] [blame] | 2294 | is_superclass_initialized && |
Chang Xing | 70f689d | 2017-06-08 17:16:12 -0700 | [diff] [blame] | 2295 | !too_many_encoded_fields && |
Mathieu Chartier | f1dd69a | 2017-06-08 23:30:15 +0000 | [diff] [blame] | 2296 | manager_->GetCompiler()->IsImageClass(descriptor)) { |
| 2297 | bool can_init_static_fields = false; |
Mathieu Chartier | dabeb3a | 2017-06-12 17:10:07 -0700 | [diff] [blame] | 2298 | if (is_boot_image) { |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2299 | // 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] | 2300 | // marked with the $NoPreloadHolder (which implies this should not be initialized |
| 2301 | // early). |
Mathieu Chartier | f1dd69a | 2017-06-08 23:30:15 +0000 | [diff] [blame] | 2302 | can_init_static_fields = !StringPiece(descriptor).ends_with("$NoPreloadHolder;"); |
| 2303 | } else { |
Mathieu Chartier | 17498e5 | 2017-06-13 11:35:04 -0700 | [diff] [blame] | 2304 | CHECK(is_app_image); |
Mathieu Chartier | dabeb3a | 2017-06-12 17:10:07 -0700 | [diff] [blame] | 2305 | // The boot image case doesn't need to recursively initialize the dependencies with |
| 2306 | // special logic since the class linker already does this. |
Mathieu Chartier | dabeb3a | 2017-06-12 17:10:07 -0700 | [diff] [blame] | 2307 | can_init_static_fields = |
Mathieu Chartier | 0933cc5 | 2018-03-23 14:25:08 -0700 | [diff] [blame] | 2308 | ClassLinker::kAppImageMayContainStrings && |
Mathieu Chartier | f1dd69a | 2017-06-08 23:30:15 +0000 | [diff] [blame] | 2309 | !soa.Self()->IsExceptionPending() && |
Nicolas Geoffray | abadf02 | 2017-08-03 08:25:41 +0000 | [diff] [blame] | 2310 | is_superclass_initialized && |
| 2311 | NoClinitInDependency(klass, soa.Self(), &class_loader); |
Mathieu Chartier | f1dd69a | 2017-06-08 23:30:15 +0000 | [diff] [blame] | 2312 | // TODO The checking for clinit can be removed since it's already |
| 2313 | // checked when init superclass. Currently keep it because it contains |
| 2314 | // processing of intern strings. Will be removed later when intern strings |
| 2315 | // and clinit are both initialized. |
| 2316 | } |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 2317 | |
Mathieu Chartier | f1dd69a | 2017-06-08 23:30:15 +0000 | [diff] [blame] | 2318 | if (can_init_static_fields) { |
| 2319 | VLOG(compiler) << "Initializing: " << descriptor; |
| 2320 | // TODO multithreading support. We should ensure the current compilation thread has |
| 2321 | // exclusive access to the runtime and the transaction. To achieve this, we could use |
| 2322 | // a ReaderWriterMutex but we're holding the mutator lock so we fail mutex sanity |
| 2323 | // checks in Thread::AssertThreadSuspensionIsAllowable. |
| 2324 | Runtime* const runtime = Runtime::Current(); |
Mathieu Chartier | f1dd69a | 2017-06-08 23:30:15 +0000 | [diff] [blame] | 2325 | // Run the class initializer in transaction mode. |
Chang Xing | 5a906fc | 2017-07-26 15:01:16 -0700 | [diff] [blame] | 2326 | runtime->EnterTransactionMode(is_app_image, klass.Get()); |
Mathieu Chartier | f1dd69a | 2017-06-08 23:30:15 +0000 | [diff] [blame] | 2327 | bool success = manager_->GetClassLinker()->EnsureInitialized(soa.Self(), klass, true, |
| 2328 | true); |
| 2329 | // TODO we detach transaction from runtime to indicate we quit the transactional |
| 2330 | // mode which prevents the GC from visiting objects modified during the transaction. |
| 2331 | // 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] | 2332 | |
Mathieu Chartier | f1dd69a | 2017-06-08 23:30:15 +0000 | [diff] [blame] | 2333 | { |
| 2334 | ScopedAssertNoThreadSuspension ants("Transaction end"); |
Chang Xing | 16d1dd8 | 2017-07-20 17:56:26 -0700 | [diff] [blame] | 2335 | |
| 2336 | if (success) { |
| 2337 | runtime->ExitTransactionMode(); |
| 2338 | DCHECK(!runtime->IsActiveTransaction()); |
| 2339 | } |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 2340 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2341 | if (!success) { |
Mathieu Chartier | f1dd69a | 2017-06-08 23:30:15 +0000 | [diff] [blame] | 2342 | CHECK(soa.Self()->IsExceptionPending()); |
| 2343 | mirror::Throwable* exception = soa.Self()->GetException(); |
| 2344 | VLOG(compiler) << "Initialization of " << descriptor << " aborted because of " |
| 2345 | << exception->Dump(); |
| 2346 | std::ostream* file_log = manager_->GetCompiler()-> |
| 2347 | GetCompilerOptions().GetInitFailureOutput(); |
| 2348 | if (file_log != nullptr) { |
| 2349 | *file_log << descriptor << "\n"; |
| 2350 | *file_log << exception->Dump() << "\n"; |
| 2351 | } |
| 2352 | soa.Self()->ClearException(); |
Chang Xing | 605fe24 | 2017-07-20 15:57:21 -0700 | [diff] [blame] | 2353 | runtime->RollbackAllTransactions(); |
Mathieu Chartier | f1dd69a | 2017-06-08 23:30:15 +0000 | [diff] [blame] | 2354 | CHECK_EQ(old_status, klass->GetStatus()) << "Previous class status not restored"; |
Mathieu Chartier | dabeb3a | 2017-06-12 17:10:07 -0700 | [diff] [blame] | 2355 | } else if (is_boot_image) { |
| 2356 | // For boot image, we want to put the updated status in the oat class since we can't |
| 2357 | // reject the image anyways. |
| 2358 | old_status = klass->GetStatus(); |
Mathieu Chartier | f1dd69a | 2017-06-08 23:30:15 +0000 | [diff] [blame] | 2359 | } |
| 2360 | } |
| 2361 | |
Nicolas Geoffray | abadf02 | 2017-08-03 08:25:41 +0000 | [diff] [blame] | 2362 | if (!success) { |
Mathieu Chartier | f1dd69a | 2017-06-08 23:30:15 +0000 | [diff] [blame] | 2363 | // On failure, still intern strings of static fields and seen in <clinit>, as these |
| 2364 | // will be created in the zygote. This is separated from the transaction code just |
| 2365 | // above as we will allocate strings, so must be allowed to suspend. |
| 2366 | if (&klass->GetDexFile() == manager_->GetDexFile()) { |
Andreas Gampe | 9e7078b | 2017-03-02 13:50:36 -0800 | [diff] [blame] | 2367 | InternStrings(klass, class_loader); |
Mathieu Chartier | dabeb3a | 2017-06-12 17:10:07 -0700 | [diff] [blame] | 2368 | } else { |
| 2369 | DCHECK(!is_boot_image) << "Boot image must have equal dex files"; |
Andreas Gampe | dbfe254 | 2014-11-25 22:21:42 -0800 | [diff] [blame] | 2370 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2371 | } |
| 2372 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2373 | } |
Jeff Hao | 0cb1728 | 2017-07-12 14:51:49 -0700 | [diff] [blame] | 2374 | // If the class still isn't initialized, at least try some checks that initialization |
| 2375 | // would do so they can be skipped at runtime. |
| 2376 | if (!klass->IsInitialized() && |
| 2377 | manager_->GetClassLinker()->ValidateSuperClassDescriptors(klass)) { |
Vladimir Marko | 2c64a83 | 2018-01-04 11:31:56 +0000 | [diff] [blame] | 2378 | old_status = ClassStatus::kSuperclassValidated; |
Jeff Hao | 0cb1728 | 2017-07-12 14:51:49 -0700 | [diff] [blame] | 2379 | } else { |
| 2380 | soa.Self()->ClearException(); |
| 2381 | } |
Mathieu Chartier | f1dd69a | 2017-06-08 23:30:15 +0000 | [diff] [blame] | 2382 | soa.Self()->AssertNoPendingException(); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2383 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2384 | } |
Mathieu Chartier | f1dd69a | 2017-06-08 23:30:15 +0000 | [diff] [blame] | 2385 | // Record the final class status if necessary. |
| 2386 | ClassReference ref(&dex_file, klass->GetDexClassDefIndex()); |
| 2387 | // Back up the status before doing initialization for static encoded fields, |
| 2388 | // because the static encoded branch wants to keep the status to uninitialized. |
| 2389 | manager_->GetCompiler()->RecordClassStatus(ref, old_status); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2390 | } |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2391 | |
| 2392 | private: |
Andreas Gampe | 9e7078b | 2017-03-02 13:50:36 -0800 | [diff] [blame] | 2393 | void InternStrings(Handle<mirror::Class> klass, Handle<mirror::ClassLoader> class_loader) |
| 2394 | REQUIRES_SHARED(Locks::mutator_lock_) { |
| 2395 | DCHECK(manager_->GetCompiler()->GetCompilerOptions().IsBootImage()); |
| 2396 | DCHECK(klass->IsVerified()); |
| 2397 | DCHECK(!klass->IsInitialized()); |
| 2398 | |
| 2399 | StackHandleScope<1> hs(Thread::Current()); |
Vladimir Marko | e11dd50 | 2017-12-08 14:09:45 +0000 | [diff] [blame] | 2400 | Handle<mirror::DexCache> dex_cache = hs.NewHandle(klass->GetDexCache()); |
Andreas Gampe | 9e7078b | 2017-03-02 13:50:36 -0800 | [diff] [blame] | 2401 | const DexFile::ClassDef* class_def = klass->GetClassDef(); |
| 2402 | ClassLinker* class_linker = manager_->GetClassLinker(); |
| 2403 | |
Andreas Gampe | 7bf9048 | 2017-03-02 16:41:35 -0800 | [diff] [blame] | 2404 | // Check encoded final field values for strings and intern. |
Vladimir Marko | e11dd50 | 2017-12-08 14:09:45 +0000 | [diff] [blame] | 2405 | annotations::RuntimeEncodedStaticFieldValueIterator value_it(dex_cache, |
| 2406 | class_loader, |
Andreas Gampe | 9e7078b | 2017-03-02 13:50:36 -0800 | [diff] [blame] | 2407 | manager_->GetClassLinker(), |
| 2408 | *class_def); |
| 2409 | for ( ; value_it.HasNext(); value_it.Next()) { |
| 2410 | if (value_it.GetValueType() == annotations::RuntimeEncodedStaticFieldValueIterator::kString) { |
| 2411 | // Resolve the string. This will intern the string. |
| 2412 | art::ObjPtr<mirror::String> resolved = class_linker->ResolveString( |
Vladimir Marko | a64b52d | 2017-12-08 16:27:49 +0000 | [diff] [blame] | 2413 | dex::StringIndex(value_it.GetJavaValue().i), dex_cache); |
Andreas Gampe | 9e7078b | 2017-03-02 13:50:36 -0800 | [diff] [blame] | 2414 | CHECK(resolved != nullptr); |
| 2415 | } |
| 2416 | } |
Andreas Gampe | 7bf9048 | 2017-03-02 16:41:35 -0800 | [diff] [blame] | 2417 | |
| 2418 | // Intern strings seen in <clinit>. |
| 2419 | ArtMethod* clinit = klass->FindClassInitializer(class_linker->GetImagePointerSize()); |
| 2420 | if (clinit != nullptr) { |
Mathieu Chartier | 73f21d4 | 2018-01-02 14:26:50 -0800 | [diff] [blame] | 2421 | for (const DexInstructionPcPair& inst : clinit->DexInstructions()) { |
Mathieu Chartier | 2b2bef2 | 2017-10-26 17:10:19 -0700 | [diff] [blame] | 2422 | if (inst->Opcode() == Instruction::CONST_STRING) { |
Andreas Gampe | 7bf9048 | 2017-03-02 16:41:35 -0800 | [diff] [blame] | 2423 | ObjPtr<mirror::String> s = class_linker->ResolveString( |
Vladimir Marko | a64b52d | 2017-12-08 16:27:49 +0000 | [diff] [blame] | 2424 | dex::StringIndex(inst->VRegB_21c()), dex_cache); |
Andreas Gampe | 7bf9048 | 2017-03-02 16:41:35 -0800 | [diff] [blame] | 2425 | CHECK(s != nullptr); |
Mathieu Chartier | 2b2bef2 | 2017-10-26 17:10:19 -0700 | [diff] [blame] | 2426 | } else if (inst->Opcode() == Instruction::CONST_STRING_JUMBO) { |
Andreas Gampe | 7bf9048 | 2017-03-02 16:41:35 -0800 | [diff] [blame] | 2427 | ObjPtr<mirror::String> s = class_linker->ResolveString( |
Vladimir Marko | a64b52d | 2017-12-08 16:27:49 +0000 | [diff] [blame] | 2428 | dex::StringIndex(inst->VRegB_31c()), dex_cache); |
Andreas Gampe | 7bf9048 | 2017-03-02 16:41:35 -0800 | [diff] [blame] | 2429 | CHECK(s != nullptr); |
| 2430 | } |
Andreas Gampe | 7bf9048 | 2017-03-02 16:41:35 -0800 | [diff] [blame] | 2431 | } |
| 2432 | } |
Andreas Gampe | 9e7078b | 2017-03-02 13:50:36 -0800 | [diff] [blame] | 2433 | } |
| 2434 | |
Mathieu Chartier | f1dd69a | 2017-06-08 23:30:15 +0000 | [diff] [blame] | 2435 | bool ResolveTypesOfMethods(Thread* self, ArtMethod* m) |
| 2436 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Vladimir Marko | b45528c | 2017-07-27 14:14:28 +0100 | [diff] [blame] | 2437 | // Return value of ResolveReturnType() is discarded because resolve will be done internally. |
| 2438 | ObjPtr<mirror::Class> rtn_type = m->ResolveReturnType(); |
Mathieu Chartier | 7a8bcfd | 2017-06-13 13:40:43 -0700 | [diff] [blame] | 2439 | if (rtn_type == nullptr) { |
| 2440 | self->ClearException(); |
| 2441 | return false; |
| 2442 | } |
| 2443 | const DexFile::TypeList* types = m->GetParameterTypeList(); |
| 2444 | if (types != nullptr) { |
| 2445 | for (uint32_t i = 0; i < types->Size(); ++i) { |
| 2446 | dex::TypeIndex param_type_idx = types->GetTypeItem(i).type_idx_; |
Vladimir Marko | b45528c | 2017-07-27 14:14:28 +0100 | [diff] [blame] | 2447 | ObjPtr<mirror::Class> param_type = m->ResolveClassFromTypeIndex(param_type_idx); |
Mathieu Chartier | 7a8bcfd | 2017-06-13 13:40:43 -0700 | [diff] [blame] | 2448 | if (param_type == nullptr) { |
| 2449 | self->ClearException(); |
| 2450 | return false; |
Mathieu Chartier | f1dd69a | 2017-06-08 23:30:15 +0000 | [diff] [blame] | 2451 | } |
| 2452 | } |
Mathieu Chartier | 7a8bcfd | 2017-06-13 13:40:43 -0700 | [diff] [blame] | 2453 | } |
| 2454 | return true; |
Mathieu Chartier | f1dd69a | 2017-06-08 23:30:15 +0000 | [diff] [blame] | 2455 | } |
| 2456 | |
| 2457 | // Pre resolve types mentioned in all method signatures before start a transaction |
| 2458 | // since ResolveType doesn't work in transaction mode. |
| 2459 | bool PreResolveTypes(Thread* self, const Handle<mirror::Class>& klass) |
| 2460 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Mathieu Chartier | 7a8bcfd | 2017-06-13 13:40:43 -0700 | [diff] [blame] | 2461 | PointerSize pointer_size = manager_->GetClassLinker()->GetImagePointerSize(); |
| 2462 | for (ArtMethod& m : klass->GetMethods(pointer_size)) { |
| 2463 | if (!ResolveTypesOfMethods(self, &m)) { |
| 2464 | return false; |
| 2465 | } |
| 2466 | } |
| 2467 | if (klass->IsInterface()) { |
| 2468 | return true; |
| 2469 | } else if (klass->HasSuperClass()) { |
| 2470 | StackHandleScope<1> hs(self); |
| 2471 | MutableHandle<mirror::Class> super_klass(hs.NewHandle<mirror::Class>(klass->GetSuperClass())); |
| 2472 | for (int i = super_klass->GetVTableLength() - 1; i >= 0; --i) { |
| 2473 | ArtMethod* m = klass->GetVTableEntry(i, pointer_size); |
| 2474 | ArtMethod* super_m = super_klass->GetVTableEntry(i, pointer_size); |
| 2475 | if (!ResolveTypesOfMethods(self, m) || !ResolveTypesOfMethods(self, super_m)) { |
Mathieu Chartier | f1dd69a | 2017-06-08 23:30:15 +0000 | [diff] [blame] | 2476 | return false; |
| 2477 | } |
| 2478 | } |
Mathieu Chartier | 7a8bcfd | 2017-06-13 13:40:43 -0700 | [diff] [blame] | 2479 | for (int32_t i = 0; i < klass->GetIfTableCount(); ++i) { |
| 2480 | super_klass.Assign(klass->GetIfTable()->GetInterface(i)); |
| 2481 | if (klass->GetClassLoader() != super_klass->GetClassLoader()) { |
| 2482 | uint32_t num_methods = super_klass->NumVirtualMethods(); |
| 2483 | for (uint32_t j = 0; j < num_methods; ++j) { |
| 2484 | ArtMethod* m = klass->GetIfTable()->GetMethodArray(i)->GetElementPtrSize<ArtMethod*>( |
| 2485 | j, pointer_size); |
| 2486 | ArtMethod* super_m = super_klass->GetVirtualMethod(j, pointer_size); |
| 2487 | if (!ResolveTypesOfMethods(self, m) || !ResolveTypesOfMethods(self, super_m)) { |
| 2488 | return false; |
Mathieu Chartier | f1dd69a | 2017-06-08 23:30:15 +0000 | [diff] [blame] | 2489 | } |
| 2490 | } |
| 2491 | } |
| 2492 | } |
Mathieu Chartier | 7a8bcfd | 2017-06-13 13:40:43 -0700 | [diff] [blame] | 2493 | } |
| 2494 | return true; |
Mathieu Chartier | f1dd69a | 2017-06-08 23:30:15 +0000 | [diff] [blame] | 2495 | } |
| 2496 | |
| 2497 | // Initialize the klass's dependencies recursively before initializing itself. |
| 2498 | // Checking for interfaces is also necessary since interfaces can contain |
| 2499 | // both default methods and static encoded fields. |
| 2500 | bool InitializeDependencies(const Handle<mirror::Class>& klass, |
| 2501 | Handle<mirror::ClassLoader> class_loader, |
| 2502 | Thread* self) |
| 2503 | REQUIRES_SHARED(Locks::mutator_lock_) { |
| 2504 | if (klass->HasSuperClass()) { |
| 2505 | ObjPtr<mirror::Class> super_class = klass->GetSuperClass(); |
| 2506 | StackHandleScope<1> hs(self); |
| 2507 | Handle<mirror::Class> handle_scope_super(hs.NewHandle(super_class)); |
| 2508 | if (!handle_scope_super->IsInitialized()) { |
| 2509 | this->TryInitializeClass(handle_scope_super, class_loader); |
| 2510 | if (!handle_scope_super->IsInitialized()) { |
| 2511 | return false; |
| 2512 | } |
| 2513 | } |
| 2514 | } |
| 2515 | |
| 2516 | uint32_t num_if = klass->NumDirectInterfaces(); |
| 2517 | for (size_t i = 0; i < num_if; i++) { |
| 2518 | ObjPtr<mirror::Class> |
| 2519 | interface = mirror::Class::GetDirectInterface(self, klass.Get(), i); |
| 2520 | StackHandleScope<1> hs(self); |
| 2521 | Handle<mirror::Class> handle_interface(hs.NewHandle(interface)); |
| 2522 | |
| 2523 | TryInitializeClass(handle_interface, class_loader); |
| 2524 | |
| 2525 | if (!handle_interface->IsInitialized()) { |
| 2526 | return false; |
| 2527 | } |
| 2528 | } |
| 2529 | |
| 2530 | return PreResolveTypes(self, klass); |
| 2531 | } |
| 2532 | |
| 2533 | // In this phase the classes containing class initializers are ignored. Make sure no |
| 2534 | // clinit appears in kalss's super class chain and interfaces. |
| 2535 | bool NoClinitInDependency(const Handle<mirror::Class>& klass, |
| 2536 | Thread* self, |
| 2537 | Handle<mirror::ClassLoader>* class_loader) |
| 2538 | REQUIRES_SHARED(Locks::mutator_lock_) { |
| 2539 | ArtMethod* clinit = |
| 2540 | klass->FindClassInitializer(manager_->GetClassLinker()->GetImagePointerSize()); |
| 2541 | if (clinit != nullptr) { |
| 2542 | VLOG(compiler) << klass->PrettyClass() << ' ' << clinit->PrettyMethod(true); |
| 2543 | return false; |
| 2544 | } |
| 2545 | if (klass->HasSuperClass()) { |
| 2546 | ObjPtr<mirror::Class> super_class = klass->GetSuperClass(); |
| 2547 | StackHandleScope<1> hs(self); |
| 2548 | Handle<mirror::Class> handle_scope_super(hs.NewHandle(super_class)); |
| 2549 | if (!NoClinitInDependency(handle_scope_super, self, class_loader)) { |
| 2550 | return false; |
| 2551 | } |
| 2552 | } |
| 2553 | |
| 2554 | uint32_t num_if = klass->NumDirectInterfaces(); |
| 2555 | for (size_t i = 0; i < num_if; i++) { |
| 2556 | ObjPtr<mirror::Class> |
| 2557 | interface = mirror::Class::GetDirectInterface(self, klass.Get(), i); |
| 2558 | StackHandleScope<1> hs(self); |
| 2559 | Handle<mirror::Class> handle_interface(hs.NewHandle(interface)); |
| 2560 | if (!NoClinitInDependency(handle_interface, self, class_loader)) { |
| 2561 | return false; |
| 2562 | } |
| 2563 | } |
| 2564 | |
Chang Xing | ba17dbd | 2017-06-28 21:27:56 +0000 | [diff] [blame] | 2565 | return true; |
Mathieu Chartier | f1dd69a | 2017-06-08 23:30:15 +0000 | [diff] [blame] | 2566 | } |
| 2567 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2568 | const ParallelCompilationManager* const manager_; |
| 2569 | }; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2570 | |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 2571 | void CompilerDriver::InitializeClasses(jobject jni_class_loader, |
| 2572 | const DexFile& dex_file, |
Andreas Gampe | de7b436 | 2014-07-28 18:38:57 -0700 | [diff] [blame] | 2573 | const std::vector<const DexFile*>& dex_files, |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 2574 | TimingLogger* timings) { |
Mathieu Chartier | f5997b4 | 2014-06-20 10:37:54 -0700 | [diff] [blame] | 2575 | TimingLogger::ScopedTiming t("InitializeNoClinit", timings); |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 2576 | |
| 2577 | // Initialization allocates objects and needs to run single-threaded to be deterministic. |
| 2578 | bool force_determinism = GetCompilerOptions().IsForceDeterminism(); |
| 2579 | ThreadPool* init_thread_pool = force_determinism |
| 2580 | ? single_thread_pool_.get() |
| 2581 | : parallel_thread_pool_.get(); |
| 2582 | size_t init_thread_count = force_determinism ? 1U : parallel_thread_count_; |
| 2583 | |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2584 | ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); |
Andreas Gampe | de7b436 | 2014-07-28 18:38:57 -0700 | [diff] [blame] | 2585 | ParallelCompilationManager context(class_linker, jni_class_loader, this, &dex_file, dex_files, |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 2586 | init_thread_pool); |
Mathieu Chartier | f1dd69a | 2017-06-08 23:30:15 +0000 | [diff] [blame] | 2587 | |
| 2588 | if (GetCompilerOptions().IsBootImage() || GetCompilerOptions().IsAppImage()) { |
| 2589 | // Set the concurrency thread to 1 to support initialization for App Images since transaction |
| 2590 | // doesn't support multithreading now. |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 2591 | // TODO: remove this when transactional mode supports multithreading. |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 2592 | init_thread_count = 1U; |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 2593 | } |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2594 | InitializeClassVisitor visitor(&context); |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 2595 | context.ForAll(0, dex_file.NumClassDefs(), &visitor, init_thread_count); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2596 | } |
| 2597 | |
Mathieu Chartier | 91288d8 | 2016-04-28 09:44:54 -0700 | [diff] [blame] | 2598 | class InitializeArrayClassesAndCreateConflictTablesVisitor : public ClassVisitor { |
Mathieu Chartier | 085a072 | 2016-04-01 17:33:31 -0700 | [diff] [blame] | 2599 | public: |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 2600 | explicit InitializeArrayClassesAndCreateConflictTablesVisitor(VariableSizedHandleScope& hs) |
| 2601 | : hs_(hs) {} |
| 2602 | |
| 2603 | virtual bool operator()(ObjPtr<mirror::Class> klass) OVERRIDE |
| 2604 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Mathieu Chartier | 91288d8 | 2016-04-28 09:44:54 -0700 | [diff] [blame] | 2605 | if (Runtime::Current()->GetHeap()->ObjectIsInBootImageSpace(klass)) { |
| 2606 | return true; |
| 2607 | } |
Mathieu Chartier | 085a072 | 2016-04-01 17:33:31 -0700 | [diff] [blame] | 2608 | if (klass->IsArrayClass()) { |
| 2609 | StackHandleScope<1> hs(Thread::Current()); |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 2610 | auto h_klass = hs.NewHandleWrapper(&klass); |
| 2611 | Runtime::Current()->GetClassLinker()->EnsureInitialized(hs.Self(), h_klass, true, true); |
Mathieu Chartier | 085a072 | 2016-04-01 17:33:31 -0700 | [diff] [blame] | 2612 | } |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 2613 | // Collect handles since there may be thread suspension in future EnsureInitialized. |
| 2614 | to_visit_.push_back(hs_.NewHandle(klass)); |
Nicolas Geoffray | 88f288e | 2016-06-29 08:17:52 +0000 | [diff] [blame] | 2615 | return true; |
Nelli Kim | badee98 | 2016-05-13 13:08:53 +0300 | [diff] [blame] | 2616 | } |
Artem Udovichenko | a62cb9b | 2016-06-30 09:18:25 +0000 | [diff] [blame] | 2617 | |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 2618 | void FillAllIMTAndConflictTables() REQUIRES_SHARED(Locks::mutator_lock_) { |
| 2619 | for (Handle<mirror::Class> c : to_visit_) { |
| 2620 | // Create the conflict tables. |
| 2621 | FillIMTAndConflictTables(c.Get()); |
| 2622 | } |
| 2623 | } |
| 2624 | |
Artem Udovichenko | a62cb9b | 2016-06-30 09:18:25 +0000 | [diff] [blame] | 2625 | private: |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 2626 | void FillIMTAndConflictTables(ObjPtr<mirror::Class> klass) |
| 2627 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Artem Udovichenko | a62cb9b | 2016-06-30 09:18:25 +0000 | [diff] [blame] | 2628 | if (!klass->ShouldHaveImt()) { |
| 2629 | return; |
| 2630 | } |
| 2631 | if (visited_classes_.find(klass) != visited_classes_.end()) { |
| 2632 | return; |
| 2633 | } |
| 2634 | if (klass->HasSuperClass()) { |
| 2635 | FillIMTAndConflictTables(klass->GetSuperClass()); |
| 2636 | } |
| 2637 | if (!klass->IsTemp()) { |
| 2638 | Runtime::Current()->GetClassLinker()->FillIMTAndConflictTables(klass); |
| 2639 | } |
| 2640 | visited_classes_.insert(klass); |
| 2641 | } |
| 2642 | |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 2643 | VariableSizedHandleScope& hs_; |
| 2644 | std::vector<Handle<mirror::Class>> to_visit_; |
| 2645 | std::unordered_set<ObjPtr<mirror::Class>, HashObjPtr> visited_classes_; |
Mathieu Chartier | 085a072 | 2016-04-01 17:33:31 -0700 | [diff] [blame] | 2646 | }; |
| 2647 | |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2648 | void CompilerDriver::InitializeClasses(jobject class_loader, |
| 2649 | const std::vector<const DexFile*>& dex_files, |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 2650 | TimingLogger* timings) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2651 | for (size_t i = 0; i != dex_files.size(); ++i) { |
| 2652 | const DexFile* dex_file = dex_files[i]; |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 2653 | CHECK(dex_file != nullptr); |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 2654 | InitializeClasses(class_loader, *dex_file, dex_files, timings); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2655 | } |
Vladimir Marko | aad75c6 | 2016-10-03 08:46:48 +0000 | [diff] [blame] | 2656 | if (GetCompilerOptions().IsBootImage() || GetCompilerOptions().IsAppImage()) { |
Mathieu Chartier | 085a072 | 2016-04-01 17:33:31 -0700 | [diff] [blame] | 2657 | // Make sure that we call EnsureIntiailized on all the array classes to call |
| 2658 | // SetVerificationAttempted so that the access flags are set. If we do not do this they get |
| 2659 | // changed at runtime resulting in more dirty image pages. |
Mathieu Chartier | 91288d8 | 2016-04-28 09:44:54 -0700 | [diff] [blame] | 2660 | // Also create conflict tables. |
| 2661 | // 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] | 2662 | ScopedObjectAccess soa(Thread::Current()); |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 2663 | VariableSizedHandleScope hs(soa.Self()); |
| 2664 | InitializeArrayClassesAndCreateConflictTablesVisitor visitor(hs); |
Mathieu Chartier | 91288d8 | 2016-04-28 09:44:54 -0700 | [diff] [blame] | 2665 | Runtime::Current()->GetClassLinker()->VisitClassesWithoutClassesLock(&visitor); |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 2666 | visitor.FillAllIMTAndConflictTables(); |
Mathieu Chartier | 085a072 | 2016-04-01 17:33:31 -0700 | [diff] [blame] | 2667 | } |
Vladimir Marko | aad75c6 | 2016-10-03 08:46:48 +0000 | [diff] [blame] | 2668 | if (GetCompilerOptions().IsBootImage()) { |
Mathieu Chartier | 093ef21 | 2014-08-11 13:52:12 -0700 | [diff] [blame] | 2669 | // Prune garbage objects created during aborted transactions. |
Roland Levillain | af29031 | 2018-02-27 20:02:17 +0000 | [diff] [blame] | 2670 | Runtime::Current()->GetHeap()->CollectGarbage(/* clear_soft_references */ true); |
Mathieu Chartier | 093ef21 | 2014-08-11 13:52:12 -0700 | [diff] [blame] | 2671 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2672 | } |
| 2673 | |
Andreas Gampe | 3c060ad | 2018-01-22 13:07:49 -0800 | [diff] [blame] | 2674 | template <typename CompileFn> |
| 2675 | static void CompileDexFile(CompilerDriver* driver, |
| 2676 | jobject class_loader, |
| 2677 | const DexFile& dex_file, |
| 2678 | const std::vector<const DexFile*>& dex_files, |
| 2679 | ThreadPool* thread_pool, |
| 2680 | size_t thread_count, |
| 2681 | TimingLogger* timings, |
| 2682 | const char* timing_name, |
| 2683 | CompileFn compile_fn) { |
| 2684 | TimingLogger::ScopedTiming t(timing_name, timings); |
| 2685 | ParallelCompilationManager context(Runtime::Current()->GetClassLinker(), |
| 2686 | class_loader, |
| 2687 | driver, |
| 2688 | &dex_file, |
| 2689 | dex_files, |
| 2690 | thread_pool); |
Vladimir Marko | 492a7fa | 2016-06-01 18:38:43 +0100 | [diff] [blame] | 2691 | |
Andreas Gampe | 3c060ad | 2018-01-22 13:07:49 -0800 | [diff] [blame] | 2692 | auto compile = [&context, &compile_fn](size_t class_def_index) { |
Andreas Gampe | 9b827ab | 2017-12-07 19:32:48 -0800 | [diff] [blame] | 2693 | ScopedTrace trace(__FUNCTION__); |
Andreas Gampe | 3c060ad | 2018-01-22 13:07:49 -0800 | [diff] [blame] | 2694 | const DexFile& dex_file = *context.GetDexFile(); |
Andreas Gampe | 3c060ad | 2018-01-22 13:07:49 -0800 | [diff] [blame] | 2695 | ClassLinker* class_linker = context.GetClassLinker(); |
| 2696 | jobject jclass_loader = context.GetClassLoader(); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2697 | ClassReference ref(&dex_file, class_def_index); |
Mathieu Chartier | c8c8d5f | 2018-05-22 11:56:14 -0700 | [diff] [blame] | 2698 | const DexFile::ClassDef& class_def = dex_file.GetClassDef(class_def_index); |
Mathieu Chartier | 18e2687 | 2018-06-04 17:19:02 -0700 | [diff] [blame^] | 2699 | ClassAccessor accessor(dex_file, class_def_index); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2700 | // Skip compiling classes with generic verifier failures since they will still fail at runtime |
Andreas Gampe | 3c060ad | 2018-01-22 13:07:49 -0800 | [diff] [blame] | 2701 | if (context.GetCompiler()->GetVerificationResults()->IsClassRejected(ref)) { |
Ian Rogers | 1ff3c98 | 2014-08-12 02:30:58 -0700 | [diff] [blame] | 2702 | return; |
| 2703 | } |
Mathieu Chartier | 736b560 | 2015-09-02 14:54:11 -0700 | [diff] [blame] | 2704 | // Use a scoped object access to perform to the quick SkipClass check. |
Mathieu Chartier | 736b560 | 2015-09-02 14:54:11 -0700 | [diff] [blame] | 2705 | ScopedObjectAccess soa(Thread::Current()); |
| 2706 | StackHandleScope<3> hs(soa.Self()); |
| 2707 | Handle<mirror::ClassLoader> class_loader( |
Mathieu Chartier | 0795f23 | 2016-09-27 18:43:30 -0700 | [diff] [blame] | 2708 | hs.NewHandle(soa.Decode<mirror::ClassLoader>(jclass_loader))); |
Mathieu Chartier | 736b560 | 2015-09-02 14:54:11 -0700 | [diff] [blame] | 2709 | Handle<mirror::Class> klass( |
Mathieu Chartier | c8c8d5f | 2018-05-22 11:56:14 -0700 | [diff] [blame] | 2710 | hs.NewHandle(class_linker->FindClass(soa.Self(), accessor.GetDescriptor(), class_loader))); |
Mathieu Chartier | 736b560 | 2015-09-02 14:54:11 -0700 | [diff] [blame] | 2711 | Handle<mirror::DexCache> dex_cache; |
Andreas Gampe | fa4333d | 2017-02-14 11:10:34 -0800 | [diff] [blame] | 2712 | if (klass == nullptr) { |
Mathieu Chartier | 736b560 | 2015-09-02 14:54:11 -0700 | [diff] [blame] | 2713 | soa.Self()->AssertPendingException(); |
| 2714 | soa.Self()->ClearException(); |
| 2715 | dex_cache = hs.NewHandle(class_linker->FindDexCache(soa.Self(), dex_file)); |
| 2716 | } else if (SkipClass(jclass_loader, dex_file, klass.Get())) { |
| 2717 | return; |
Andreas Gampe | bb30d5d | 2018-04-23 09:59:25 -0700 | [diff] [blame] | 2718 | } else if (&klass->GetDexFile() != &dex_file) { |
| 2719 | // Skip a duplicate class (as the resolved class is from another, earlier dex file). |
| 2720 | return; // Do not update state. |
Mathieu Chartier | 736b560 | 2015-09-02 14:54:11 -0700 | [diff] [blame] | 2721 | } else { |
| 2722 | dex_cache = hs.NewHandle(klass->GetDexCache()); |
| 2723 | } |
| 2724 | |
Mathieu Chartier | c8c8d5f | 2018-05-22 11:56:14 -0700 | [diff] [blame] | 2725 | // Avoid suspension if there are no methods to compile. |
| 2726 | if (accessor.NumDirectMethods() + accessor.NumVirtualMethods() == 0) { |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2727 | return; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2728 | } |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2729 | |
Mathieu Chartier | 736b560 | 2015-09-02 14:54:11 -0700 | [diff] [blame] | 2730 | // Go to native so that we don't block GC during compilation. |
Mathieu Chartier | f1d666e | 2015-09-03 16:13:34 -0700 | [diff] [blame] | 2731 | ScopedThreadSuspension sts(soa.Self(), kNative); |
Mathieu Chartier | 736b560 | 2015-09-02 14:54:11 -0700 | [diff] [blame] | 2732 | |
Andreas Gampe | 3c060ad | 2018-01-22 13:07:49 -0800 | [diff] [blame] | 2733 | CompilerDriver* const driver = context.GetCompiler(); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2734 | |
| 2735 | // Can we run DEX-to-DEX compiler on this class ? |
Mathieu Chartier | a79efdb | 2018-01-18 16:31:01 -0800 | [diff] [blame] | 2736 | optimizer::DexToDexCompiler::CompilationLevel dex_to_dex_compilation_level = |
Mathieu Chartier | 736b560 | 2015-09-02 14:54:11 -0700 | [diff] [blame] | 2737 | GetDexToDexCompilationLevel(soa.Self(), *driver, jclass_loader, dex_file, class_def); |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 2738 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2739 | |
Mathieu Chartier | c8c8d5f | 2018-05-22 11:56:14 -0700 | [diff] [blame] | 2740 | const bool compilation_enabled = driver->IsClassToCompile(accessor.GetDescriptor()); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2741 | |
Mathieu Chartier | b7c273c | 2017-11-10 18:07:56 -0800 | [diff] [blame] | 2742 | // Compile direct and virtual methods. |
| 2743 | int64_t previous_method_idx = -1; |
Mathieu Chartier | 0d896bd | 2018-05-25 00:20:27 -0700 | [diff] [blame] | 2744 | for (const ClassAccessor::Method& method : accessor.GetMethods()) { |
Mathieu Chartier | c8c8d5f | 2018-05-22 11:56:14 -0700 | [diff] [blame] | 2745 | const uint32_t method_idx = method.GetIndex(); |
Mathieu Chartier | b7c273c | 2017-11-10 18:07:56 -0800 | [diff] [blame] | 2746 | if (method_idx == previous_method_idx) { |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2747 | // smali can create dex files with two encoded_methods sharing the same method_idx |
| 2748 | // http://code.google.com/p/smali/issues/detail?id=119 |
Mathieu Chartier | 0d896bd | 2018-05-25 00:20:27 -0700 | [diff] [blame] | 2749 | continue; |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2750 | } |
Mathieu Chartier | b7c273c | 2017-11-10 18:07:56 -0800 | [diff] [blame] | 2751 | previous_method_idx = method_idx; |
Andreas Gampe | 3c060ad | 2018-01-22 13:07:49 -0800 | [diff] [blame] | 2752 | compile_fn(soa.Self(), |
| 2753 | driver, |
Mathieu Chartier | c8c8d5f | 2018-05-22 11:56:14 -0700 | [diff] [blame] | 2754 | method.GetCodeItem(), |
| 2755 | method.GetAccessFlags(), |
| 2756 | method.GetInvokeType(class_def.access_flags_), |
Andreas Gampe | 3c060ad | 2018-01-22 13:07:49 -0800 | [diff] [blame] | 2757 | class_def_index, |
| 2758 | method_idx, |
| 2759 | class_loader, |
| 2760 | dex_file, |
| 2761 | dex_to_dex_compilation_level, |
| 2762 | compilation_enabled, |
| 2763 | dex_cache); |
Mathieu Chartier | 0d896bd | 2018-05-25 00:20:27 -0700 | [diff] [blame] | 2764 | } |
Andreas Gampe | 3c060ad | 2018-01-22 13:07:49 -0800 | [diff] [blame] | 2765 | }; |
| 2766 | context.ForAllLambda(0, dex_file.NumClassDefs(), compile, thread_count); |
| 2767 | } |
| 2768 | |
| 2769 | void CompilerDriver::Compile(jobject class_loader, |
| 2770 | const std::vector<const DexFile*>& dex_files, |
| 2771 | TimingLogger* timings) { |
| 2772 | if (kDebugProfileGuidedCompilation) { |
| 2773 | LOG(INFO) << "[ProfileGuidedCompilation] " << |
| 2774 | ((profile_compilation_info_ == nullptr) |
| 2775 | ? "null" |
| 2776 | : profile_compilation_info_->DumpInfo(&dex_files)); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2777 | } |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2778 | |
Andreas Gampe | 3c060ad | 2018-01-22 13:07:49 -0800 | [diff] [blame] | 2779 | dex_to_dex_compiler_.ClearState(); |
| 2780 | for (const DexFile* dex_file : dex_files) { |
| 2781 | CHECK(dex_file != nullptr); |
| 2782 | CompileDexFile(this, |
| 2783 | class_loader, |
| 2784 | *dex_file, |
| 2785 | dex_files, |
| 2786 | parallel_thread_pool_.get(), |
| 2787 | parallel_thread_count_, |
| 2788 | timings, |
| 2789 | "Compile Dex File Quick", |
| 2790 | CompileMethodQuick); |
| 2791 | const ArenaPool* const arena_pool = Runtime::Current()->GetArenaPool(); |
| 2792 | const size_t arena_alloc = arena_pool->GetBytesAllocated(); |
| 2793 | max_arena_alloc_ = std::max(arena_alloc, max_arena_alloc_); |
| 2794 | Runtime::Current()->ReclaimArenaPoolMemory(); |
| 2795 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2796 | |
Mathieu Chartier | 279e3a3 | 2018-01-24 18:17:55 -0800 | [diff] [blame] | 2797 | if (dex_to_dex_compiler_.NumCodeItemsToQuicken(Thread::Current()) > 0u) { |
Andreas Gampe | 3c060ad | 2018-01-22 13:07:49 -0800 | [diff] [blame] | 2798 | // TODO: Not visit all of the dex files, its probably rare that only one would have quickened |
| 2799 | // methods though. |
| 2800 | for (const DexFile* dex_file : dex_files) { |
| 2801 | CompileDexFile(this, |
| 2802 | class_loader, |
| 2803 | *dex_file, |
| 2804 | dex_files, |
| 2805 | parallel_thread_pool_.get(), |
| 2806 | parallel_thread_count_, |
| 2807 | timings, |
| 2808 | "Compile Dex File Dex2Dex", |
| 2809 | CompileMethodDex2Dex); |
| 2810 | } |
| 2811 | dex_to_dex_compiler_.ClearState(); |
| 2812 | } |
| 2813 | |
| 2814 | VLOG(compiler) << "Compile: " << GetMemoryUsageString(false); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2815 | } |
| 2816 | |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 2817 | void CompilerDriver::AddCompiledMethod(const MethodReference& method_ref, |
| 2818 | CompiledMethod* const compiled_method, |
| 2819 | size_t non_relative_linker_patch_count) { |
Mathieu Chartier | fc8b422 | 2017-09-17 13:44:24 -0700 | [diff] [blame] | 2820 | DCHECK(GetCompiledMethod(method_ref) == nullptr) << method_ref.PrettyMethod(); |
| 2821 | MethodTable::InsertResult result = compiled_methods_.Insert(method_ref, |
| 2822 | /*expected*/ nullptr, |
| 2823 | compiled_method); |
Mathieu Chartier | acab8d4 | 2016-11-23 13:45:58 -0800 | [diff] [blame] | 2824 | CHECK(result == MethodTable::kInsertResultSuccess); |
Orion Hodson | 88591fe | 2018-03-06 13:35:43 +0000 | [diff] [blame] | 2825 | non_relative_linker_patch_count_.fetch_add(non_relative_linker_patch_count, |
| 2826 | std::memory_order_relaxed); |
Mathieu Chartier | fc8b422 | 2017-09-17 13:44:24 -0700 | [diff] [blame] | 2827 | DCHECK(GetCompiledMethod(method_ref) != nullptr) << method_ref.PrettyMethod(); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2828 | } |
| 2829 | |
Mathieu Chartier | 279e3a3 | 2018-01-24 18:17:55 -0800 | [diff] [blame] | 2830 | CompiledMethod* CompilerDriver::RemoveCompiledMethod(const MethodReference& method_ref) { |
| 2831 | CompiledMethod* ret = nullptr; |
| 2832 | CHECK(compiled_methods_.Remove(method_ref, &ret)); |
| 2833 | return ret; |
| 2834 | } |
| 2835 | |
Vladimir Marko | 2c64a83 | 2018-01-04 11:31:56 +0000 | [diff] [blame] | 2836 | bool CompilerDriver::GetCompiledClass(const ClassReference& ref, ClassStatus* status) const { |
Andreas Gampe | bb84610 | 2017-05-11 21:03:35 -0700 | [diff] [blame] | 2837 | DCHECK(status != nullptr); |
Mathieu Chartier | 1a088d4 | 2017-07-18 11:43:57 -0700 | [diff] [blame] | 2838 | // 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] | 2839 | // ClassStatus::kNotReady. To handle this, just assume anything we didn't try to verify |
| 2840 | // is not compiled. |
Mathieu Chartier | fc8b422 | 2017-09-17 13:44:24 -0700 | [diff] [blame] | 2841 | if (!compiled_classes_.Get(ref, status) || |
Vladimir Marko | 2c64a83 | 2018-01-04 11:31:56 +0000 | [diff] [blame] | 2842 | *status < ClassStatus::kRetryVerificationAtRuntime) { |
Andreas Gampe | bb84610 | 2017-05-11 21:03:35 -0700 | [diff] [blame] | 2843 | return false; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2844 | } |
Andreas Gampe | bb84610 | 2017-05-11 21:03:35 -0700 | [diff] [blame] | 2845 | return true; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2846 | } |
| 2847 | |
Vladimir Marko | 2c64a83 | 2018-01-04 11:31:56 +0000 | [diff] [blame] | 2848 | ClassStatus CompilerDriver::GetClassStatus(const ClassReference& ref) const { |
| 2849 | ClassStatus status = ClassStatus::kNotReady; |
Nicolas Geoffray | 486dda0 | 2017-09-11 14:15:52 +0100 | [diff] [blame] | 2850 | if (!GetCompiledClass(ref, &status)) { |
Mathieu Chartier | fc8b422 | 2017-09-17 13:44:24 -0700 | [diff] [blame] | 2851 | classpath_classes_.Get(ref, &status); |
Nicolas Geoffray | 486dda0 | 2017-09-11 14:15:52 +0100 | [diff] [blame] | 2852 | } |
| 2853 | return status; |
| 2854 | } |
| 2855 | |
Vladimir Marko | 2c64a83 | 2018-01-04 11:31:56 +0000 | [diff] [blame] | 2856 | void CompilerDriver::RecordClassStatus(const ClassReference& ref, ClassStatus status) { |
Nicolas Geoffray | ade72d6 | 2016-12-15 13:20:02 +0000 | [diff] [blame] | 2857 | switch (status) { |
Vladimir Marko | 2c64a83 | 2018-01-04 11:31:56 +0000 | [diff] [blame] | 2858 | case ClassStatus::kErrorResolved: |
| 2859 | case ClassStatus::kErrorUnresolved: |
| 2860 | case ClassStatus::kNotReady: |
| 2861 | case ClassStatus::kResolved: |
| 2862 | case ClassStatus::kRetryVerificationAtRuntime: |
| 2863 | case ClassStatus::kVerified: |
| 2864 | case ClassStatus::kSuperclassValidated: |
| 2865 | case ClassStatus::kInitialized: |
Nicolas Geoffray | ade72d6 | 2016-12-15 13:20:02 +0000 | [diff] [blame] | 2866 | break; // Expected states. |
| 2867 | default: |
| 2868 | LOG(FATAL) << "Unexpected class status for class " |
Mathieu Chartier | fc8b422 | 2017-09-17 13:44:24 -0700 | [diff] [blame] | 2869 | << PrettyDescriptor( |
| 2870 | ref.dex_file->GetClassDescriptor(ref.dex_file->GetClassDef(ref.index))) |
Nicolas Geoffray | ade72d6 | 2016-12-15 13:20:02 +0000 | [diff] [blame] | 2871 | << " of " << status; |
| 2872 | } |
| 2873 | |
Mathieu Chartier | 1a088d4 | 2017-07-18 11:43:57 -0700 | [diff] [blame] | 2874 | ClassStateTable::InsertResult result; |
Nicolas Geoffray | 486dda0 | 2017-09-11 14:15:52 +0100 | [diff] [blame] | 2875 | ClassStateTable* table = &compiled_classes_; |
Mathieu Chartier | 1a088d4 | 2017-07-18 11:43:57 -0700 | [diff] [blame] | 2876 | do { |
Vladimir Marko | 2c64a83 | 2018-01-04 11:31:56 +0000 | [diff] [blame] | 2877 | ClassStatus existing = ClassStatus::kNotReady; |
Mathieu Chartier | fc8b422 | 2017-09-17 13:44:24 -0700 | [diff] [blame] | 2878 | if (!table->Get(ref, &existing)) { |
Nicolas Geoffray | 486dda0 | 2017-09-11 14:15:52 +0100 | [diff] [blame] | 2879 | // A classpath class. |
Mathieu Chartier | 010f5cc | 2017-07-24 15:53:46 -0700 | [diff] [blame] | 2880 | if (kIsDebugBuild) { |
| 2881 | // Check to make sure it's not a dex file for an oat file we are compiling since these |
| 2882 | // should always succeed. These do not include classes in for used libraries. |
Mathieu Chartier | 72041a0 | 2017-07-14 18:23:25 -0700 | [diff] [blame] | 2883 | for (const DexFile* dex_file : GetDexFilesForOatFile()) { |
Mathieu Chartier | fc8b422 | 2017-09-17 13:44:24 -0700 | [diff] [blame] | 2884 | CHECK_NE(ref.dex_file, dex_file) << ref.dex_file->GetLocation(); |
Mathieu Chartier | 010f5cc | 2017-07-24 15:53:46 -0700 | [diff] [blame] | 2885 | } |
| 2886 | } |
Mathieu Chartier | fc8b422 | 2017-09-17 13:44:24 -0700 | [diff] [blame] | 2887 | if (!classpath_classes_.HaveDexFile(ref.dex_file)) { |
Nicolas Geoffray | 486dda0 | 2017-09-11 14:15:52 +0100 | [diff] [blame] | 2888 | // Boot classpath dex file. |
| 2889 | return; |
| 2890 | } |
| 2891 | table = &classpath_classes_; |
Mathieu Chartier | fc8b422 | 2017-09-17 13:44:24 -0700 | [diff] [blame] | 2892 | table->Get(ref, &existing); |
Mathieu Chartier | 010f5cc | 2017-07-24 15:53:46 -0700 | [diff] [blame] | 2893 | } |
Mathieu Chartier | 1a088d4 | 2017-07-18 11:43:57 -0700 | [diff] [blame] | 2894 | if (existing >= status) { |
| 2895 | // Existing status is already better than we expect, break. |
| 2896 | break; |
| 2897 | } |
Nicolas Geoffray | ade72d6 | 2016-12-15 13:20:02 +0000 | [diff] [blame] | 2898 | // Update the status if we now have a greater one. This happens with vdex, |
| 2899 | // which records a class is verified, but does not resolve it. |
Mathieu Chartier | fc8b422 | 2017-09-17 13:44:24 -0700 | [diff] [blame] | 2900 | result = table->Insert(ref, existing, status); |
| 2901 | CHECK(result != ClassStateTable::kInsertResultInvalidDexFile) << ref.dex_file->GetLocation(); |
Mathieu Chartier | 1a088d4 | 2017-07-18 11:43:57 -0700 | [diff] [blame] | 2902 | } while (result != ClassStateTable::kInsertResultSuccess); |
Ian Rogers | 8f3c9ae | 2013-08-20 17:26:41 -0700 | [diff] [blame] | 2903 | } |
| 2904 | |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2905 | CompiledMethod* CompilerDriver::GetCompiledMethod(MethodReference ref) const { |
Mathieu Chartier | acab8d4 | 2016-11-23 13:45:58 -0800 | [diff] [blame] | 2906 | CompiledMethod* compiled_method = nullptr; |
Mathieu Chartier | fc8b422 | 2017-09-17 13:44:24 -0700 | [diff] [blame] | 2907 | compiled_methods_.Get(ref, &compiled_method); |
Mathieu Chartier | acab8d4 | 2016-11-23 13:45:58 -0800 | [diff] [blame] | 2908 | return compiled_method; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2909 | } |
| 2910 | |
Calin Juravle | f1c6d9e | 2015-04-13 18:42:21 +0100 | [diff] [blame] | 2911 | bool CompilerDriver::IsMethodVerifiedWithoutFailures(uint32_t method_idx, |
| 2912 | uint16_t class_def_idx, |
| 2913 | const DexFile& dex_file) const { |
| 2914 | const VerifiedMethod* verified_method = GetVerifiedMethod(&dex_file, method_idx); |
| 2915 | if (verified_method != nullptr) { |
| 2916 | return !verified_method->HasVerificationFailures(); |
| 2917 | } |
| 2918 | |
| 2919 | // If we can't find verification metadata, check if this is a system class (we trust that system |
| 2920 | // classes have their methods verified). If it's not, be conservative and assume the method |
| 2921 | // has not been verified successfully. |
| 2922 | |
| 2923 | // TODO: When compiling the boot image it should be safe to assume that everything is verified, |
| 2924 | // even if methods are not found in the verification cache. |
| 2925 | const char* descriptor = dex_file.GetClassDescriptor(dex_file.GetClassDef(class_def_idx)); |
| 2926 | ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); |
| 2927 | Thread* self = Thread::Current(); |
| 2928 | ScopedObjectAccess soa(self); |
| 2929 | bool is_system_class = class_linker->FindSystemClass(self, descriptor) != nullptr; |
| 2930 | if (!is_system_class) { |
| 2931 | self->ClearException(); |
| 2932 | } |
| 2933 | return is_system_class; |
| 2934 | } |
| 2935 | |
Vladimir Marko | f4da675 | 2014-08-01 19:04:18 +0100 | [diff] [blame] | 2936 | size_t CompilerDriver::GetNonRelativeLinkerPatchCount() const { |
Orion Hodson | 88591fe | 2018-03-06 13:35:43 +0000 | [diff] [blame] | 2937 | return non_relative_linker_patch_count_.load(std::memory_order_relaxed); |
Vladimir Marko | f4da675 | 2014-08-01 19:04:18 +0100 | [diff] [blame] | 2938 | } |
| 2939 | |
Mathieu Chartier | c4ae916 | 2016-04-07 13:19:19 -0700 | [diff] [blame] | 2940 | void CompilerDriver::SetRequiresConstructorBarrier(Thread* self, |
| 2941 | const DexFile* dex_file, |
| 2942 | uint16_t class_def_index, |
| 2943 | bool requires) { |
| 2944 | WriterMutexLock mu(self, requires_constructor_barrier_lock_); |
| 2945 | requires_constructor_barrier_.emplace(ClassReference(dex_file, class_def_index), requires); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2946 | } |
| 2947 | |
Mathieu Chartier | 371bd83 | 2016-04-07 10:19:48 -0700 | [diff] [blame] | 2948 | bool CompilerDriver::RequiresConstructorBarrier(Thread* self, |
| 2949 | const DexFile* dex_file, |
Mathieu Chartier | c4ae916 | 2016-04-07 13:19:19 -0700 | [diff] [blame] | 2950 | uint16_t class_def_index) { |
| 2951 | ClassReference class_ref(dex_file, class_def_index); |
| 2952 | { |
| 2953 | ReaderMutexLock mu(self, requires_constructor_barrier_lock_); |
| 2954 | auto it = requires_constructor_barrier_.find(class_ref); |
| 2955 | if (it != requires_constructor_barrier_.end()) { |
| 2956 | return it->second; |
| 2957 | } |
Mathieu Chartier | b5d3861 | 2016-04-07 10:52:52 -0700 | [diff] [blame] | 2958 | } |
Mathieu Chartier | c4ae916 | 2016-04-07 13:19:19 -0700 | [diff] [blame] | 2959 | WriterMutexLock mu(self, requires_constructor_barrier_lock_); |
| 2960 | const bool requires = RequiresConstructorBarrier(*dex_file, class_def_index); |
| 2961 | requires_constructor_barrier_.emplace(class_ref, requires); |
| 2962 | return requires; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2963 | } |
| 2964 | |
Andreas Gampe | 8d295f8 | 2015-01-20 14:50:21 -0800 | [diff] [blame] | 2965 | std::string CompilerDriver::GetMemoryUsageString(bool extended) const { |
Mathieu Chartier | ab972ef | 2014-12-03 17:38:22 -0800 | [diff] [blame] | 2966 | std::ostringstream oss; |
Calin Juravle | 6915898 | 2016-03-16 11:53:41 +0000 | [diff] [blame] | 2967 | const gc::Heap* const heap = Runtime::Current()->GetHeap(); |
Anton Kirilov | dd9473b | 2016-01-28 15:08:01 +0000 | [diff] [blame] | 2968 | const size_t java_alloc = heap->GetBytesAllocated(); |
Calin Juravle | 6915898 | 2016-03-16 11:53:41 +0000 | [diff] [blame] | 2969 | oss << "arena alloc=" << PrettySize(max_arena_alloc_) << " (" << max_arena_alloc_ << "B)"; |
Anton Kirilov | dd9473b | 2016-01-28 15:08:01 +0000 | [diff] [blame] | 2970 | oss << " java alloc=" << PrettySize(java_alloc) << " (" << java_alloc << "B)"; |
Elliott Hughes | 7bf5a26 | 2015-04-02 20:55:07 -0700 | [diff] [blame] | 2971 | #if defined(__BIONIC__) || defined(__GLIBC__) |
Anton Kirilov | dd9473b | 2016-01-28 15:08:01 +0000 | [diff] [blame] | 2972 | const struct mallinfo info = mallinfo(); |
Mathieu Chartier | ab972ef | 2014-12-03 17:38:22 -0800 | [diff] [blame] | 2973 | const size_t allocated_space = static_cast<size_t>(info.uordblks); |
| 2974 | const size_t free_space = static_cast<size_t>(info.fordblks); |
Anton Kirilov | dd9473b | 2016-01-28 15:08:01 +0000 | [diff] [blame] | 2975 | oss << " native alloc=" << PrettySize(allocated_space) << " (" << allocated_space << "B)" |
| 2976 | << " free=" << PrettySize(free_space) << " (" << free_space << "B)"; |
Mathieu Chartier | ab972ef | 2014-12-03 17:38:22 -0800 | [diff] [blame] | 2977 | #endif |
Vladimir Marko | 35831e8 | 2015-09-11 11:59:18 +0100 | [diff] [blame] | 2978 | compiled_method_storage_.DumpMemoryUsage(oss, extended); |
Mathieu Chartier | ab972ef | 2014-12-03 17:38:22 -0800 | [diff] [blame] | 2979 | return oss.str(); |
| 2980 | } |
| 2981 | |
Jeff Hao | dcdc85b | 2015-12-04 14:06:18 -0800 | [diff] [blame] | 2982 | bool CompilerDriver::MayInlineInternal(const DexFile* inlined_from, |
| 2983 | const DexFile* inlined_into) const { |
| 2984 | // We're not allowed to inline across dex files if we're the no-inline-from dex file. |
| 2985 | if (inlined_from != inlined_into && |
Vladimir Marko | 47496c2 | 2016-01-27 16:15:08 +0000 | [diff] [blame] | 2986 | compiler_options_->GetNoInlineFromDexFile() != nullptr && |
| 2987 | ContainsElement(*compiler_options_->GetNoInlineFromDexFile(), inlined_from)) { |
Jeff Hao | dcdc85b | 2015-12-04 14:06:18 -0800 | [diff] [blame] | 2988 | return false; |
| 2989 | } |
| 2990 | |
| 2991 | return true; |
| 2992 | } |
| 2993 | |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 2994 | void CompilerDriver::InitializeThreadPools() { |
| 2995 | size_t parallel_count = parallel_thread_count_ > 0 ? parallel_thread_count_ - 1 : 0; |
| 2996 | parallel_thread_pool_.reset( |
| 2997 | new ThreadPool("Compiler driver thread pool", parallel_count)); |
| 2998 | single_thread_pool_.reset(new ThreadPool("Single-threaded Compiler driver thread pool", 0)); |
| 2999 | } |
| 3000 | |
| 3001 | void CompilerDriver::FreeThreadPools() { |
| 3002 | parallel_thread_pool_.reset(); |
| 3003 | single_thread_pool_.reset(); |
| 3004 | } |
| 3005 | |
Mathieu Chartier | 72041a0 | 2017-07-14 18:23:25 -0700 | [diff] [blame] | 3006 | void CompilerDriver::SetDexFilesForOatFile(const std::vector<const DexFile*>& dex_files) { |
| 3007 | dex_files_for_oat_file_ = dex_files; |
Nicolas Geoffray | 486dda0 | 2017-09-11 14:15:52 +0100 | [diff] [blame] | 3008 | compiled_classes_.AddDexFiles(dex_files); |
Mathieu Chartier | 279e3a3 | 2018-01-24 18:17:55 -0800 | [diff] [blame] | 3009 | dex_to_dex_compiler_.SetDexFiles(dex_files); |
Nicolas Geoffray | 486dda0 | 2017-09-11 14:15:52 +0100 | [diff] [blame] | 3010 | } |
| 3011 | |
| 3012 | void CompilerDriver::SetClasspathDexFiles(const std::vector<const DexFile*>& dex_files) { |
| 3013 | classpath_classes_.AddDexFiles(dex_files); |
Mathieu Chartier | 72041a0 | 2017-07-14 18:23:25 -0700 | [diff] [blame] | 3014 | } |
| 3015 | |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 3016 | } // namespace art |