Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2011 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | #include "compiler_driver.h" |
| 18 | |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 19 | #include <unordered_set> |
Anwar Ghuloum | 67f9941 | 2013-08-12 14:19:48 -0700 | [diff] [blame] | 20 | #include <vector> |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 21 | #include <unistd.h> |
| 22 | |
Mathieu Chartier | ab972ef | 2014-12-03 17:38:22 -0800 | [diff] [blame] | 23 | #ifndef __APPLE__ |
| 24 | #include <malloc.h> // For mallinfo |
| 25 | #endif |
| 26 | |
Mathieu Chartier | c785344 | 2015-03-27 14:35:38 -0700 | [diff] [blame] | 27 | #include "art_field-inl.h" |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 28 | #include "art_method-inl.h" |
David Brazdil | d9c9037 | 2016-09-14 16:53:55 +0100 | [diff] [blame] | 29 | #include "base/array_ref.h" |
Vladimir Marko | 492a7fa | 2016-06-01 18:38:43 +0100 | [diff] [blame] | 30 | #include "base/bit_vector.h" |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 31 | #include "base/enums.h" |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 32 | #include "base/stl_util.h" |
Mathieu Chartier | 32ce2ad | 2016-03-04 14:58:03 -0800 | [diff] [blame] | 33 | #include "base/systrace.h" |
Vladimir Marko | 80afd02 | 2015-05-19 18:08:00 +0100 | [diff] [blame] | 34 | #include "base/time_utils.h" |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 35 | #include "base/timing_logger.h" |
Vladimir Marko | 3481ba2 | 2015-04-13 12:22:36 +0100 | [diff] [blame] | 36 | #include "class_linker-inl.h" |
Mingyao Yang | 98d1cc8 | 2014-05-15 17:02:16 -0700 | [diff] [blame] | 37 | #include "compiled_class.h" |
Vladimir Marko | 20f8559 | 2015-03-19 10:07:02 +0000 | [diff] [blame] | 38 | #include "compiled_method.h" |
Nicolas Geoffray | b34f69a | 2014-03-07 15:28:39 +0000 | [diff] [blame] | 39 | #include "compiler.h" |
Vladimir Marko | be0e546 | 2014-02-26 11:24:15 +0000 | [diff] [blame] | 40 | #include "compiler_driver-inl.h" |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 41 | #include "dex_compilation_unit.h" |
| 42 | #include "dex_file-inl.h" |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 43 | #include "dex_instruction-inl.h" |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 44 | #include "dex/dex_to_dex_compiler.h" |
Vladimir Marko | c7f8320 | 2014-01-24 17:55:18 +0000 | [diff] [blame] | 45 | #include "dex/verification_results.h" |
Vladimir Marko | 2730db0 | 2014-01-27 11:15:17 +0000 | [diff] [blame] | 46 | #include "dex/verified_method.h" |
Mark Mendell | ae9fd93 | 2014-02-10 16:14:35 -0800 | [diff] [blame] | 47 | #include "driver/compiler_options.h" |
Nicolas Geoffray | 762869d | 2016-07-15 15:28:35 +0100 | [diff] [blame] | 48 | #include "intrinsics_enum.h" |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 49 | #include "jni_internal.h" |
Ian Rogers | 22d5e73 | 2014-07-15 22:23:51 -0700 | [diff] [blame] | 50 | #include "object_lock.h" |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 51 | #include "runtime.h" |
| 52 | #include "gc/accounting/card_table-inl.h" |
| 53 | #include "gc/accounting/heap_bitmap.h" |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 54 | #include "gc/space/image_space.h" |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 55 | #include "gc/space/space.h" |
| 56 | #include "mirror/class_loader.h" |
| 57 | #include "mirror/class-inl.h" |
| 58 | #include "mirror/dex_cache-inl.h" |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 59 | #include "mirror/object-inl.h" |
| 60 | #include "mirror/object_array-inl.h" |
| 61 | #include "mirror/throwable.h" |
Mathieu Chartier | 0795f23 | 2016-09-27 18:43:30 -0700 | [diff] [blame] | 62 | #include "scoped_thread_state_change-inl.h" |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 63 | #include "ScopedLocalRef.h" |
Mathieu Chartier | eb8167a | 2014-05-07 15:43:14 -0700 | [diff] [blame] | 64 | #include "handle_scope-inl.h" |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 65 | #include "thread.h" |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 66 | #include "thread_list.h" |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 67 | #include "thread_pool.h" |
Ian Rogers | 848871b | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 68 | #include "trampolines/trampoline_compiler.h" |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 69 | #include "transaction.h" |
Vladimir Marko | 20f8559 | 2015-03-19 10:07:02 +0000 | [diff] [blame] | 70 | #include "utils/dex_cache_arrays_layout-inl.h" |
Andreas Gampe | e21dc3d | 2014-12-08 16:59:43 -0800 | [diff] [blame] | 71 | #include "utils/swap_space.h" |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 72 | #include "verifier/method_verifier.h" |
Vladimir Marko | 2bc4780 | 2014-02-10 09:43:07 +0000 | [diff] [blame] | 73 | #include "verifier/method_verifier-inl.h" |
Andreas Gampe | 5fd66d0 | 2016-09-12 20:22:19 -0700 | [diff] [blame] | 74 | #include "verifier/verifier_log_mode.h" |
Nicolas Geoffray | 0802518 | 2016-10-25 17:20:18 +0100 | [diff] [blame] | 75 | #include "verifier/verifier_deps.h" |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 76 | |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 77 | namespace art { |
| 78 | |
Mathieu Chartier | 8e219ae | 2014-08-19 14:29:46 -0700 | [diff] [blame] | 79 | static constexpr bool kTimeCompileMethod = !kIsDebugBuild; |
| 80 | |
Calin Juravle | 226501b | 2015-12-11 14:41:31 +0000 | [diff] [blame] | 81 | // Print additional info during profile guided compilation. |
| 82 | static constexpr bool kDebugProfileGuidedCompilation = false; |
| 83 | |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 84 | static double Percentage(size_t x, size_t y) { |
| 85 | return 100.0 * (static_cast<double>(x)) / (static_cast<double>(x + y)); |
| 86 | } |
| 87 | |
| 88 | static void DumpStat(size_t x, size_t y, const char* str) { |
| 89 | if (x == 0 && y == 0) { |
| 90 | return; |
| 91 | } |
Ian Rogers | e732ef1 | 2013-10-09 15:22:24 -0700 | [diff] [blame] | 92 | LOG(INFO) << Percentage(x, y) << "% of " << str << " for " << (x + y) << " cases"; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 93 | } |
| 94 | |
Vladimir Marko | f096aad | 2014-01-23 15:51:58 +0000 | [diff] [blame] | 95 | class CompilerDriver::AOTCompilationStats { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 96 | public: |
| 97 | AOTCompilationStats() |
| 98 | : stats_lock_("AOT compilation statistics lock"), |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 99 | resolved_types_(0), unresolved_types_(0), |
| 100 | resolved_instance_fields_(0), unresolved_instance_fields_(0), |
| 101 | resolved_local_static_fields_(0), resolved_static_fields_(0), unresolved_static_fields_(0), |
| 102 | type_based_devirtualization_(0), |
| 103 | safe_casts_(0), not_safe_casts_(0) { |
| 104 | for (size_t i = 0; i <= kMaxInvokeType; i++) { |
| 105 | resolved_methods_[i] = 0; |
| 106 | unresolved_methods_[i] = 0; |
| 107 | virtual_made_direct_[i] = 0; |
| 108 | direct_calls_to_boot_[i] = 0; |
| 109 | direct_methods_to_boot_[i] = 0; |
| 110 | } |
| 111 | } |
| 112 | |
| 113 | void Dump() { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 114 | DumpStat(resolved_types_, unresolved_types_, "types resolved"); |
| 115 | DumpStat(resolved_instance_fields_, unresolved_instance_fields_, "instance fields resolved"); |
| 116 | DumpStat(resolved_local_static_fields_ + resolved_static_fields_, unresolved_static_fields_, |
| 117 | "static fields resolved"); |
| 118 | DumpStat(resolved_local_static_fields_, resolved_static_fields_ + unresolved_static_fields_, |
| 119 | "static fields local to a class"); |
| 120 | DumpStat(safe_casts_, not_safe_casts_, "check-casts removed based on type information"); |
| 121 | // Note, the code below subtracts the stat value so that when added to the stat value we have |
| 122 | // 100% of samples. TODO: clean this up. |
| 123 | DumpStat(type_based_devirtualization_, |
| 124 | resolved_methods_[kVirtual] + unresolved_methods_[kVirtual] + |
| 125 | resolved_methods_[kInterface] + unresolved_methods_[kInterface] - |
| 126 | type_based_devirtualization_, |
| 127 | "virtual/interface calls made direct based on type information"); |
| 128 | |
| 129 | for (size_t i = 0; i <= kMaxInvokeType; i++) { |
| 130 | std::ostringstream oss; |
| 131 | oss << static_cast<InvokeType>(i) << " methods were AOT resolved"; |
| 132 | DumpStat(resolved_methods_[i], unresolved_methods_[i], oss.str().c_str()); |
| 133 | if (virtual_made_direct_[i] > 0) { |
| 134 | std::ostringstream oss2; |
| 135 | oss2 << static_cast<InvokeType>(i) << " methods made direct"; |
| 136 | DumpStat(virtual_made_direct_[i], |
| 137 | resolved_methods_[i] + unresolved_methods_[i] - virtual_made_direct_[i], |
| 138 | oss2.str().c_str()); |
| 139 | } |
| 140 | if (direct_calls_to_boot_[i] > 0) { |
| 141 | std::ostringstream oss2; |
| 142 | oss2 << static_cast<InvokeType>(i) << " method calls are direct into boot"; |
| 143 | DumpStat(direct_calls_to_boot_[i], |
| 144 | resolved_methods_[i] + unresolved_methods_[i] - direct_calls_to_boot_[i], |
| 145 | oss2.str().c_str()); |
| 146 | } |
| 147 | if (direct_methods_to_boot_[i] > 0) { |
| 148 | std::ostringstream oss2; |
| 149 | oss2 << static_cast<InvokeType>(i) << " method calls have methods in boot"; |
| 150 | DumpStat(direct_methods_to_boot_[i], |
| 151 | resolved_methods_[i] + unresolved_methods_[i] - direct_methods_to_boot_[i], |
| 152 | oss2.str().c_str()); |
| 153 | } |
| 154 | } |
| 155 | } |
| 156 | |
| 157 | // Allow lossy statistics in non-debug builds. |
| 158 | #ifndef NDEBUG |
| 159 | #define STATS_LOCK() MutexLock mu(Thread::Current(), stats_lock_) |
| 160 | #else |
| 161 | #define STATS_LOCK() |
| 162 | #endif |
| 163 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 164 | void TypeDoesntNeedAccessCheck() REQUIRES(!stats_lock_) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 165 | STATS_LOCK(); |
| 166 | resolved_types_++; |
| 167 | } |
| 168 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 169 | void TypeNeedsAccessCheck() REQUIRES(!stats_lock_) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 170 | STATS_LOCK(); |
| 171 | unresolved_types_++; |
| 172 | } |
| 173 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 174 | void ResolvedInstanceField() REQUIRES(!stats_lock_) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 175 | STATS_LOCK(); |
| 176 | resolved_instance_fields_++; |
| 177 | } |
| 178 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 179 | void UnresolvedInstanceField() REQUIRES(!stats_lock_) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 180 | STATS_LOCK(); |
| 181 | unresolved_instance_fields_++; |
| 182 | } |
| 183 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 184 | void ResolvedLocalStaticField() REQUIRES(!stats_lock_) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 185 | STATS_LOCK(); |
| 186 | resolved_local_static_fields_++; |
| 187 | } |
| 188 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 189 | void ResolvedStaticField() REQUIRES(!stats_lock_) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 190 | STATS_LOCK(); |
| 191 | resolved_static_fields_++; |
| 192 | } |
| 193 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 194 | void UnresolvedStaticField() REQUIRES(!stats_lock_) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 195 | STATS_LOCK(); |
| 196 | unresolved_static_fields_++; |
| 197 | } |
| 198 | |
| 199 | // Indicate that type information from the verifier led to devirtualization. |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 200 | void PreciseTypeDevirtualization() REQUIRES(!stats_lock_) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 201 | STATS_LOCK(); |
| 202 | type_based_devirtualization_++; |
| 203 | } |
| 204 | |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 205 | // A check-cast could be eliminated due to verifier type analysis. |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 206 | void SafeCast() REQUIRES(!stats_lock_) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 207 | STATS_LOCK(); |
| 208 | safe_casts_++; |
| 209 | } |
| 210 | |
| 211 | // A check-cast couldn't be eliminated due to verifier type analysis. |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 212 | void NotASafeCast() REQUIRES(!stats_lock_) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 213 | STATS_LOCK(); |
| 214 | not_safe_casts_++; |
| 215 | } |
| 216 | |
| 217 | private: |
| 218 | Mutex stats_lock_; |
| 219 | |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 220 | size_t resolved_types_; |
| 221 | size_t unresolved_types_; |
| 222 | |
| 223 | size_t resolved_instance_fields_; |
| 224 | size_t unresolved_instance_fields_; |
| 225 | |
| 226 | size_t resolved_local_static_fields_; |
| 227 | size_t resolved_static_fields_; |
| 228 | size_t unresolved_static_fields_; |
| 229 | // Type based devirtualization for invoke interface and virtual. |
| 230 | size_t type_based_devirtualization_; |
| 231 | |
| 232 | size_t resolved_methods_[kMaxInvokeType + 1]; |
| 233 | size_t unresolved_methods_[kMaxInvokeType + 1]; |
| 234 | size_t virtual_made_direct_[kMaxInvokeType + 1]; |
| 235 | size_t direct_calls_to_boot_[kMaxInvokeType + 1]; |
| 236 | size_t direct_methods_to_boot_[kMaxInvokeType + 1]; |
| 237 | |
| 238 | size_t safe_casts_; |
| 239 | size_t not_safe_casts_; |
| 240 | |
| 241 | DISALLOW_COPY_AND_ASSIGN(AOTCompilationStats); |
| 242 | }; |
| 243 | |
Vladimir Marko | 492a7fa | 2016-06-01 18:38:43 +0100 | [diff] [blame] | 244 | class CompilerDriver::DexFileMethodSet { |
| 245 | public: |
| 246 | explicit DexFileMethodSet(const DexFile& dex_file) |
| 247 | : dex_file_(dex_file), |
| 248 | method_indexes_(dex_file.NumMethodIds(), false, Allocator::GetMallocAllocator()) { |
| 249 | } |
| 250 | DexFileMethodSet(DexFileMethodSet&& other) = default; |
| 251 | |
| 252 | const DexFile& GetDexFile() const { return dex_file_; } |
| 253 | |
| 254 | BitVector& GetMethodIndexes() { return method_indexes_; } |
| 255 | const BitVector& GetMethodIndexes() const { return method_indexes_; } |
| 256 | |
| 257 | private: |
| 258 | const DexFile& dex_file_; |
| 259 | BitVector method_indexes_; |
| 260 | }; |
| 261 | |
Jeff Hao | dcdc85b | 2015-12-04 14:06:18 -0800 | [diff] [blame] | 262 | CompilerDriver::CompilerDriver( |
| 263 | const CompilerOptions* compiler_options, |
| 264 | VerificationResults* verification_results, |
Jeff Hao | dcdc85b | 2015-12-04 14:06:18 -0800 | [diff] [blame] | 265 | Compiler::Kind compiler_kind, |
| 266 | InstructionSet instruction_set, |
| 267 | const InstructionSetFeatures* instruction_set_features, |
Vladimir Marko | 944da60 | 2016-02-19 12:27:55 +0000 | [diff] [blame] | 268 | std::unordered_set<std::string>* image_classes, |
Jeff Hao | dcdc85b | 2015-12-04 14:06:18 -0800 | [diff] [blame] | 269 | std::unordered_set<std::string>* compiled_classes, |
| 270 | std::unordered_set<std::string>* compiled_methods, |
Vladimir Marko | 944da60 | 2016-02-19 12:27:55 +0000 | [diff] [blame] | 271 | size_t thread_count, |
| 272 | bool dump_stats, |
| 273 | bool dump_passes, |
| 274 | CumulativeLogger* timer, |
| 275 | int swap_fd, |
Calin Juravle | 998c216 | 2015-12-21 15:39:33 +0200 | [diff] [blame] | 276 | const ProfileCompilationInfo* profile_compilation_info) |
Calin Juravle | 226501b | 2015-12-11 14:41:31 +0000 | [diff] [blame] | 277 | : compiler_options_(compiler_options), |
Brian Carlstrom | 6449c62 | 2014-02-10 23:48:36 -0800 | [diff] [blame] | 278 | verification_results_(verification_results), |
Ian Rogers | 72d3262 | 2014-05-06 16:20:11 -0700 | [diff] [blame] | 279 | compiler_(Compiler::Create(this, compiler_kind)), |
Jeff Hao | 48699fb | 2015-04-06 14:21:37 -0700 | [diff] [blame] | 280 | compiler_kind_(compiler_kind), |
Artem Serov | ba6b679 | 2016-08-15 14:22:07 +0100 | [diff] [blame] | 281 | instruction_set_(instruction_set == kArm ? kThumb2: instruction_set), |
Dave Allison | 7020278 | 2013-10-22 17:52:19 -0700 | [diff] [blame] | 282 | instruction_set_features_(instruction_set_features), |
Mathieu Chartier | c4ae916 | 2016-04-07 13:19:19 -0700 | [diff] [blame] | 283 | requires_constructor_barrier_lock_("constructor barrier lock"), |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 284 | compiled_classes_lock_("compiled classes lock"), |
| 285 | compiled_methods_lock_("compiled method lock"), |
Andreas Gampe | e21dc3d | 2014-12-08 16:59:43 -0800 | [diff] [blame] | 286 | compiled_methods_(MethodTable::key_compare()), |
Vladimir Marko | f4da675 | 2014-08-01 19:04:18 +0100 | [diff] [blame] | 287 | non_relative_linker_patch_count_(0u), |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 288 | image_classes_(image_classes), |
Andreas Gampe | 4bf3ae9 | 2014-11-11 13:28:29 -0800 | [diff] [blame] | 289 | classes_to_compile_(compiled_classes), |
Andreas Gampe | 70bef0d | 2015-04-15 02:37:28 -0700 | [diff] [blame] | 290 | methods_to_compile_(compiled_methods), |
Andreas Gampe | 6cf49e5 | 2015-03-05 13:08:45 -0800 | [diff] [blame] | 291 | had_hard_verifier_failure_(false), |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 292 | parallel_thread_count_(thread_count), |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 293 | stats_(new AOTCompilationStats), |
| 294 | dump_stats_(dump_stats), |
Nicolas Geoffray | ea3fa0b | 2014-02-10 11:59:41 +0000 | [diff] [blame] | 295 | dump_passes_(dump_passes), |
| 296 | timings_logger_(timer), |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 297 | compiler_context_(nullptr), |
Alexey Frunze | e3fb245 | 2016-05-10 16:08:05 -0700 | [diff] [blame] | 298 | support_boot_image_fixup_(instruction_set != kMips64), |
Vladimir Marko | d1eaf0d | 2015-10-29 12:18:29 +0000 | [diff] [blame] | 299 | dex_files_for_oat_file_(nullptr), |
Calin Juravle | 998c216 | 2015-12-21 15:39:33 +0200 | [diff] [blame] | 300 | compiled_method_storage_(swap_fd), |
Calin Juravle | 6915898 | 2016-03-16 11:53:41 +0000 | [diff] [blame] | 301 | profile_compilation_info_(profile_compilation_info), |
Vladimir Marko | 492a7fa | 2016-06-01 18:38:43 +0100 | [diff] [blame] | 302 | max_arena_alloc_(0), |
| 303 | dex_to_dex_references_lock_("dex-to-dex references lock"), |
| 304 | dex_to_dex_references_(), |
| 305 | current_dex_to_dex_methods_(nullptr) { |
Brian Carlstrom | 6449c62 | 2014-02-10 23:48:36 -0800 | [diff] [blame] | 306 | DCHECK(compiler_options_ != nullptr); |
Brian Carlstrom | 2ce745c | 2013-07-17 17:44:30 -0700 | [diff] [blame] | 307 | |
Ian Rogers | 72d3262 | 2014-05-06 16:20:11 -0700 | [diff] [blame] | 308 | compiler_->Init(); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 309 | |
Mathieu Chartier | a807780 | 2016-03-16 19:08:31 -0700 | [diff] [blame] | 310 | if (compiler_options->VerifyOnlyProfile()) { |
| 311 | CHECK(profile_compilation_info_ != nullptr) << "Requires profile"; |
| 312 | } |
Vladimir Marko | aad75c6 | 2016-10-03 08:46:48 +0000 | [diff] [blame] | 313 | if (GetCompilerOptions().IsBootImage()) { |
Mathieu Chartier | c5dd319 | 2015-12-09 16:38:30 -0800 | [diff] [blame] | 314 | CHECK(image_classes_.get() != nullptr) << "Expected image classes for boot image"; |
| 315 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 316 | } |
| 317 | |
| 318 | CompilerDriver::~CompilerDriver() { |
| 319 | Thread* self = Thread::Current(); |
| 320 | { |
| 321 | MutexLock mu(self, compiled_classes_lock_); |
| 322 | STLDeleteValues(&compiled_classes_); |
| 323 | } |
| 324 | { |
| 325 | MutexLock mu(self, compiled_methods_lock_); |
Andreas Gampe | e21dc3d | 2014-12-08 16:59:43 -0800 | [diff] [blame] | 326 | for (auto& pair : compiled_methods_) { |
| 327 | CompiledMethod::ReleaseSwapAllocatedCompiledMethod(this, pair.second); |
| 328 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 329 | } |
Ian Rogers | 72d3262 | 2014-05-06 16:20:11 -0700 | [diff] [blame] | 330 | compiler_->UnInit(); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 331 | } |
| 332 | |
Vladimir Marko | 35831e8 | 2015-09-11 11:59:18 +0100 | [diff] [blame] | 333 | |
Ian Rogers | dd7624d | 2014-03-14 17:43:00 -0700 | [diff] [blame] | 334 | #define CREATE_TRAMPOLINE(type, abi, offset) \ |
Andreas Gampe | af13ad9 | 2014-04-11 12:07:48 -0700 | [diff] [blame] | 335 | if (Is64BitInstructionSet(instruction_set_)) { \ |
Ian Rogers | dd7624d | 2014-03-14 17:43:00 -0700 | [diff] [blame] | 336 | return CreateTrampoline64(instruction_set_, abi, \ |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 337 | type ## _ENTRYPOINT_OFFSET(PointerSize::k64, offset)); \ |
Ian Rogers | dd7624d | 2014-03-14 17:43:00 -0700 | [diff] [blame] | 338 | } else { \ |
| 339 | return CreateTrampoline32(instruction_set_, abi, \ |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 340 | type ## _ENTRYPOINT_OFFSET(PointerSize::k32, offset)); \ |
Ian Rogers | dd7624d | 2014-03-14 17:43:00 -0700 | [diff] [blame] | 341 | } |
| 342 | |
Vladimir Marko | 93205e3 | 2016-04-13 11:59:46 +0100 | [diff] [blame] | 343 | std::unique_ptr<const std::vector<uint8_t>> CompilerDriver::CreateJniDlsymLookup() const { |
Ian Rogers | dd7624d | 2014-03-14 17:43:00 -0700 | [diff] [blame] | 344 | CREATE_TRAMPOLINE(JNI, kJniAbi, pDlsymLookup) |
Ian Rogers | 848871b | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 345 | } |
| 346 | |
Vladimir Marko | 93205e3 | 2016-04-13 11:59:46 +0100 | [diff] [blame] | 347 | std::unique_ptr<const std::vector<uint8_t>> CompilerDriver::CreateQuickGenericJniTrampoline() |
| 348 | const { |
Ian Rogers | dd7624d | 2014-03-14 17:43:00 -0700 | [diff] [blame] | 349 | CREATE_TRAMPOLINE(QUICK, kQuickAbi, pQuickGenericJniTrampoline) |
Andreas Gampe | 2da8823 | 2014-02-27 12:26:20 -0800 | [diff] [blame] | 350 | } |
| 351 | |
Vladimir Marko | 93205e3 | 2016-04-13 11:59:46 +0100 | [diff] [blame] | 352 | std::unique_ptr<const std::vector<uint8_t>> CompilerDriver::CreateQuickImtConflictTrampoline() |
| 353 | const { |
Ian Rogers | dd7624d | 2014-03-14 17:43:00 -0700 | [diff] [blame] | 354 | CREATE_TRAMPOLINE(QUICK, kQuickAbi, pQuickImtConflictTrampoline) |
Jeff Hao | 88474b4 | 2013-10-23 16:24:40 -0700 | [diff] [blame] | 355 | } |
| 356 | |
Vladimir Marko | 93205e3 | 2016-04-13 11:59:46 +0100 | [diff] [blame] | 357 | std::unique_ptr<const std::vector<uint8_t>> CompilerDriver::CreateQuickResolutionTrampoline() |
| 358 | const { |
Ian Rogers | dd7624d | 2014-03-14 17:43:00 -0700 | [diff] [blame] | 359 | CREATE_TRAMPOLINE(QUICK, kQuickAbi, pQuickResolutionTrampoline) |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 360 | } |
| 361 | |
Vladimir Marko | 93205e3 | 2016-04-13 11:59:46 +0100 | [diff] [blame] | 362 | std::unique_ptr<const std::vector<uint8_t>> CompilerDriver::CreateQuickToInterpreterBridge() |
| 363 | const { |
Ian Rogers | dd7624d | 2014-03-14 17:43:00 -0700 | [diff] [blame] | 364 | CREATE_TRAMPOLINE(QUICK, kQuickAbi, pQuickToInterpreterBridge) |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 365 | } |
Ian Rogers | dd7624d | 2014-03-14 17:43:00 -0700 | [diff] [blame] | 366 | #undef CREATE_TRAMPOLINE |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 367 | |
Nicolas Geoffray | 762869d | 2016-07-15 15:28:35 +0100 | [diff] [blame] | 368 | static void SetupIntrinsic(Thread* self, |
| 369 | Intrinsics intrinsic, |
| 370 | InvokeType invoke_type, |
| 371 | const char* class_name, |
| 372 | const char* method_name, |
| 373 | const char* signature) |
| 374 | REQUIRES_SHARED(Locks::mutator_lock_) { |
| 375 | ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); |
| 376 | PointerSize image_size = class_linker->GetImagePointerSize(); |
| 377 | mirror::Class* cls = class_linker->FindSystemClass(self, class_name); |
| 378 | if (cls == nullptr) { |
| 379 | LOG(FATAL) << "Could not find class of intrinsic " << class_name; |
| 380 | } |
| 381 | ArtMethod* method = (invoke_type == kStatic || invoke_type == kDirect) |
| 382 | ? cls->FindDeclaredDirectMethod(method_name, signature, image_size) |
| 383 | : cls->FindDeclaredVirtualMethod(method_name, signature, image_size); |
| 384 | if (method == nullptr) { |
Nicolas Geoffray | b20f1fe | 2016-10-03 13:57:40 +0100 | [diff] [blame] | 385 | LOG(FATAL) << "Could not find method of intrinsic " |
| 386 | << class_name << " " << method_name << " " << signature; |
Nicolas Geoffray | 762869d | 2016-07-15 15:28:35 +0100 | [diff] [blame] | 387 | } |
| 388 | DCHECK_EQ(method->GetInvokeType(), invoke_type); |
| 389 | method->SetIntrinsic(static_cast<uint32_t>(intrinsic)); |
| 390 | } |
| 391 | |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 392 | void CompilerDriver::CompileAll(jobject class_loader, |
Brian Carlstrom | 4560248 | 2013-07-21 22:07:55 -0700 | [diff] [blame] | 393 | const std::vector<const DexFile*>& dex_files, |
Ian Rogers | 3d50407 | 2014-03-01 09:16:49 -0800 | [diff] [blame] | 394 | TimingLogger* timings) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 395 | DCHECK(!Runtime::Current()->IsStarted()); |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 396 | |
| 397 | InitializeThreadPools(); |
| 398 | |
Andreas Gampe | 8d295f8 | 2015-01-20 14:50:21 -0800 | [diff] [blame] | 399 | VLOG(compiler) << "Before precompile " << GetMemoryUsageString(false); |
Andreas Gampe | 740667a | 2015-09-15 17:55:06 -0700 | [diff] [blame] | 400 | // Precompile: |
| 401 | // 1) Load image classes |
| 402 | // 2) Resolve all classes |
| 403 | // 3) Attempt to verify all classes |
| 404 | // 4) Attempt to initialize image classes, and trivially initialized classes |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 405 | PreCompile(class_loader, dex_files, timings); |
Vladimir Marko | aad75c6 | 2016-10-03 08:46:48 +0000 | [diff] [blame] | 406 | if (GetCompilerOptions().IsBootImage()) { |
Nicolas Geoffray | 762869d | 2016-07-15 15:28:35 +0100 | [diff] [blame] | 407 | // We don't need to setup the intrinsics for non boot image compilation, as |
| 408 | // those compilations will pick up a boot image that have the ArtMethod already |
| 409 | // set with the intrinsics flag. |
| 410 | ScopedObjectAccess soa(Thread::Current()); |
Nicolas Geoffray | b20f1fe | 2016-10-03 13:57:40 +0100 | [diff] [blame] | 411 | #define SETUP_INTRINSICS(Name, InvokeType, NeedsEnvironmentOrCache, SideEffects, Exceptions, \ |
| 412 | ClassName, MethodName, Signature) \ |
Nicolas Geoffray | 762869d | 2016-07-15 15:28:35 +0100 | [diff] [blame] | 413 | SetupIntrinsic(soa.Self(), Intrinsics::k##Name, InvokeType, ClassName, MethodName, Signature); |
| 414 | #include "intrinsics_list.h" |
Nicolas Geoffray | b20f1fe | 2016-10-03 13:57:40 +0100 | [diff] [blame] | 415 | INTRINSICS_LIST(SETUP_INTRINSICS) |
Nicolas Geoffray | 762869d | 2016-07-15 15:28:35 +0100 | [diff] [blame] | 416 | #undef INTRINSICS_LIST |
Nicolas Geoffray | b20f1fe | 2016-10-03 13:57:40 +0100 | [diff] [blame] | 417 | #undef SETUP_INTRINSICS |
Nicolas Geoffray | 762869d | 2016-07-15 15:28:35 +0100 | [diff] [blame] | 418 | } |
Andreas Gampe | 740667a | 2015-09-15 17:55:06 -0700 | [diff] [blame] | 419 | // Compile: |
| 420 | // 1) Compile all classes and methods enabled for compilation. May fall back to dex-to-dex |
| 421 | // compilation. |
| 422 | if (!GetCompilerOptions().VerifyAtRuntime()) { |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 423 | Compile(class_loader, dex_files, timings); |
Andreas Gampe | 740667a | 2015-09-15 17:55:06 -0700 | [diff] [blame] | 424 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 425 | if (dump_stats_) { |
| 426 | stats_->Dump(); |
| 427 | } |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 428 | |
| 429 | FreeThreadPools(); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 430 | } |
| 431 | |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 432 | static optimizer::DexToDexCompilationLevel GetDexToDexCompilationLevel( |
| 433 | Thread* self, const CompilerDriver& driver, Handle<mirror::ClassLoader> class_loader, |
| 434 | const DexFile& dex_file, const DexFile::ClassDef& class_def) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 435 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Mathieu Chartier | e5f13e5 | 2015-02-24 09:37:21 -0800 | [diff] [blame] | 436 | auto* const runtime = Runtime::Current(); |
Calin Juravle | ffc8707 | 2016-04-20 14:22:09 +0100 | [diff] [blame] | 437 | if (runtime->UseJitCompilation() || driver.GetCompilerOptions().VerifyAtRuntime()) { |
Mathieu Chartier | e86deef | 2015-03-19 13:43:37 -0700 | [diff] [blame] | 438 | // Verify at runtime shouldn't dex to dex since we didn't resolve of verify. |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 439 | return optimizer::DexToDexCompilationLevel::kDontDexToDexCompile; |
Mathieu Chartier | e5f13e5 | 2015-02-24 09:37:21 -0800 | [diff] [blame] | 440 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 441 | const char* descriptor = dex_file.GetClassDescriptor(class_def); |
Mathieu Chartier | e5f13e5 | 2015-02-24 09:37:21 -0800 | [diff] [blame] | 442 | ClassLinker* class_linker = runtime->GetClassLinker(); |
Ian Rogers | 9837939 | 2014-02-24 16:53:16 -0800 | [diff] [blame] | 443 | mirror::Class* klass = class_linker->FindClass(self, descriptor, class_loader); |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 444 | if (klass == nullptr) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 445 | CHECK(self->IsExceptionPending()); |
| 446 | self->ClearException(); |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 447 | return optimizer::DexToDexCompilationLevel::kDontDexToDexCompile; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 448 | } |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 449 | // DexToDex at the kOptimize level may introduce quickened opcodes, which replace symbolic |
| 450 | // references with actual offsets. We cannot re-verify such instructions. |
| 451 | // |
| 452 | // We store the verification information in the class status in the oat file, which the linker |
| 453 | // can validate (checksums) and use to skip load-time verification. It is thus safe to |
| 454 | // optimize when a class has been fully verified before. |
| 455 | if (klass->IsVerified()) { |
Sebastien Hertz | 7502122 | 2013-07-16 18:34:50 +0200 | [diff] [blame] | 456 | // Class is verified so we can enable DEX-to-DEX compilation for performance. |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 457 | return optimizer::DexToDexCompilationLevel::kOptimize; |
Sebastien Hertz | 7502122 | 2013-07-16 18:34:50 +0200 | [diff] [blame] | 458 | } else if (klass->IsCompileTimeVerified()) { |
| 459 | // Class verification has soft-failed. Anyway, ensure at least correctness. |
| 460 | DCHECK_EQ(klass->GetStatus(), mirror::Class::kStatusRetryVerificationAtRuntime); |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 461 | return optimizer::DexToDexCompilationLevel::kRequired; |
Sebastien Hertz | 7502122 | 2013-07-16 18:34:50 +0200 | [diff] [blame] | 462 | } else { |
| 463 | // Class verification has failed: do not run DEX-to-DEX compilation. |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 464 | return optimizer::DexToDexCompilationLevel::kDontDexToDexCompile; |
| 465 | } |
| 466 | } |
| 467 | |
| 468 | static optimizer::DexToDexCompilationLevel GetDexToDexCompilationLevel( |
| 469 | Thread* self, |
| 470 | const CompilerDriver& driver, |
| 471 | jobject jclass_loader, |
| 472 | const DexFile& dex_file, |
| 473 | const DexFile::ClassDef& class_def) { |
| 474 | ScopedObjectAccess soa(self); |
| 475 | StackHandleScope<1> hs(soa.Self()); |
| 476 | Handle<mirror::ClassLoader> class_loader( |
Mathieu Chartier | 0795f23 | 2016-09-27 18:43:30 -0700 | [diff] [blame] | 477 | hs.NewHandle(soa.Decode<mirror::ClassLoader>(jclass_loader))); |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 478 | return GetDexToDexCompilationLevel(self, driver, class_loader, dex_file, class_def); |
| 479 | } |
| 480 | |
| 481 | // Does the runtime for the InstructionSet provide an implementation returned by |
| 482 | // GetQuickGenericJniStub allowing down calls that aren't compiled using a JNI compiler? |
| 483 | static bool InstructionSetHasGenericJniStub(InstructionSet isa) { |
| 484 | switch (isa) { |
| 485 | case kArm: |
| 486 | case kArm64: |
| 487 | case kThumb2: |
| 488 | case kMips: |
| 489 | case kMips64: |
| 490 | case kX86: |
| 491 | case kX86_64: return true; |
| 492 | default: return false; |
| 493 | } |
| 494 | } |
| 495 | |
| 496 | static void CompileMethod(Thread* self, |
| 497 | CompilerDriver* driver, |
| 498 | const DexFile::CodeItem* code_item, |
| 499 | uint32_t access_flags, |
| 500 | InvokeType invoke_type, |
| 501 | uint16_t class_def_idx, |
| 502 | uint32_t method_idx, |
| 503 | jobject class_loader, |
| 504 | const DexFile& dex_file, |
| 505 | optimizer::DexToDexCompilationLevel dex_to_dex_compilation_level, |
Mathieu Chartier | 736b560 | 2015-09-02 14:54:11 -0700 | [diff] [blame] | 506 | bool compilation_enabled, |
| 507 | Handle<mirror::DexCache> dex_cache) |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 508 | REQUIRES(!driver->compiled_methods_lock_) { |
| 509 | DCHECK(driver != nullptr); |
| 510 | CompiledMethod* compiled_method = nullptr; |
| 511 | uint64_t start_ns = kTimeCompileMethod ? NanoTime() : 0; |
| 512 | MethodReference method_ref(&dex_file, method_idx); |
| 513 | |
Vladimir Marko | 492a7fa | 2016-06-01 18:38:43 +0100 | [diff] [blame] | 514 | if (driver->GetCurrentDexToDexMethods() != nullptr) { |
| 515 | // This is the second pass when we dex-to-dex compile previously marked methods. |
| 516 | // TODO: Refactor the compilation to avoid having to distinguish the two passes |
| 517 | // here. That should be done on a higher level. http://b/29089975 |
| 518 | if (driver->GetCurrentDexToDexMethods()->IsBitSet(method_idx)) { |
| 519 | const VerifiedMethod* verified_method = |
| 520 | driver->GetVerificationResults()->GetVerifiedMethod(method_ref); |
| 521 | // Do not optimize if a VerifiedMethod is missing. SafeCast elision, |
| 522 | // for example, relies on it. |
| 523 | compiled_method = optimizer::ArtCompileDEX( |
| 524 | driver, |
| 525 | code_item, |
| 526 | access_flags, |
| 527 | invoke_type, |
| 528 | class_def_idx, |
| 529 | method_idx, |
| 530 | class_loader, |
| 531 | dex_file, |
| 532 | (verified_method != nullptr) |
| 533 | ? dex_to_dex_compilation_level |
| 534 | : optimizer::DexToDexCompilationLevel::kRequired); |
| 535 | } |
| 536 | } else if ((access_flags & kAccNative) != 0) { |
Igor Murashkin | 9aa9fa2 | 2016-09-26 10:10:17 -0700 | [diff] [blame] | 537 | const InstructionSet instruction_set = driver->GetInstructionSet(); |
| 538 | const bool use_generic_jni = |
| 539 | // Are we extracting only and have support for generic JNI down calls? |
| 540 | (!driver->GetCompilerOptions().IsJniCompilationEnabled() && |
| 541 | InstructionSetHasGenericJniStub(instruction_set)) || |
| 542 | // Always punt to generic JNI for MIPS because of no support for @CriticalNative. b/31743474 |
| 543 | (instruction_set == kMips || instruction_set == kMips64); |
| 544 | if (use_generic_jni) { |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 545 | // Leaving this empty will trigger the generic JNI version |
| 546 | } else { |
Igor Murashkin | 9d4b6da | 2016-07-29 09:51:58 -0700 | [diff] [blame] | 547 | // Look-up the ArtMethod associated with this code_item (if any) |
| 548 | // -- It is later used to lookup any [optimization] annotations for this method. |
| 549 | ScopedObjectAccess soa(self); |
| 550 | StackHandleScope<1> hs(soa.Self()); |
| 551 | Handle<mirror::ClassLoader> class_loader_handle(hs.NewHandle( |
Mathieu Chartier | 0795f23 | 2016-09-27 18:43:30 -0700 | [diff] [blame] | 552 | soa.Decode<mirror::ClassLoader>(class_loader))); |
Igor Murashkin | 9d4b6da | 2016-07-29 09:51:58 -0700 | [diff] [blame] | 553 | |
| 554 | // TODO: Lookup annotation from DexFile directly without resolving method. |
| 555 | ArtMethod* method = |
| 556 | Runtime::Current()->GetClassLinker()->ResolveMethod<ClassLinker::kNoICCECheckForCache>( |
| 557 | dex_file, |
| 558 | method_idx, |
| 559 | dex_cache, |
| 560 | class_loader_handle, |
| 561 | /* referrer */ nullptr, |
| 562 | invoke_type); |
| 563 | |
Igor Murashkin | 367f3dd | 2016-09-01 17:00:24 -0700 | [diff] [blame] | 564 | // Query any JNI optimization annotations such as @FastNative or @CriticalNative. |
| 565 | Compiler::JniOptimizationFlags optimization_flags = Compiler::kNone; |
| 566 | if (UNLIKELY(method == nullptr)) { |
Igor Murashkin | 9d4b6da | 2016-07-29 09:51:58 -0700 | [diff] [blame] | 567 | // Failed method resolutions happen very rarely, e.g. ancestor class cannot be resolved. |
| 568 | DCHECK(self->IsExceptionPending()); |
| 569 | self->ClearException(); |
Igor Murashkin | 367f3dd | 2016-09-01 17:00:24 -0700 | [diff] [blame] | 570 | } else if (method->IsAnnotatedWithFastNative()) { |
| 571 | // TODO: Will no longer need this CHECK once we have verifier checking this. |
| 572 | CHECK(!method->IsAnnotatedWithCriticalNative()); |
| 573 | optimization_flags = Compiler::kFastNative; |
| 574 | } else if (method->IsAnnotatedWithCriticalNative()) { |
| 575 | // TODO: Will no longer need this CHECK once we have verifier checking this. |
| 576 | CHECK(!method->IsAnnotatedWithFastNative()); |
| 577 | optimization_flags = Compiler::kCriticalNative; |
Igor Murashkin | 9d4b6da | 2016-07-29 09:51:58 -0700 | [diff] [blame] | 578 | } |
| 579 | |
Igor Murashkin | 9d4b6da | 2016-07-29 09:51:58 -0700 | [diff] [blame] | 580 | compiled_method = driver->GetCompiler()->JniCompile(access_flags, |
| 581 | method_idx, |
| 582 | dex_file, |
| 583 | optimization_flags); |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 584 | CHECK(compiled_method != nullptr); |
| 585 | } |
| 586 | } else if ((access_flags & kAccAbstract) != 0) { |
| 587 | // Abstract methods don't have code. |
Nicolas Geoffray | d28b969 | 2015-11-04 14:36:55 +0000 | [diff] [blame] | 588 | } else { |
Andreas Gampe | 0760a81 | 2015-08-26 17:12:51 -0700 | [diff] [blame] | 589 | const VerifiedMethod* verified_method = |
| 590 | driver->GetVerificationResults()->GetVerifiedMethod(method_ref); |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 591 | bool compile = compilation_enabled && |
| 592 | // Basic checks, e.g., not <clinit>. |
| 593 | driver->GetVerificationResults() |
| 594 | ->IsCandidateForCompilation(method_ref, access_flags) && |
| 595 | // Did not fail to create VerifiedMethod metadata. |
Andreas Gampe | 0760a81 | 2015-08-26 17:12:51 -0700 | [diff] [blame] | 596 | verified_method != nullptr && |
| 597 | // Do not have failures that should punt to the interpreter. |
| 598 | !verified_method->HasRuntimeThrow() && |
| 599 | (verified_method->GetEncounteredVerificationFailures() & |
Andreas Gampe | a727e37 | 2015-08-25 09:22:37 -0700 | [diff] [blame] | 600 | (verifier::VERIFY_ERROR_FORCE_INTERPRETER | verifier::VERIFY_ERROR_LOCKING)) == 0 && |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 601 | // Is eligable for compilation by methods-to-compile filter. |
Calin Juravle | 226501b | 2015-12-11 14:41:31 +0000 | [diff] [blame] | 602 | driver->IsMethodToCompile(method_ref) && |
| 603 | driver->ShouldCompileBasedOnProfile(method_ref); |
| 604 | |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 605 | if (compile) { |
| 606 | // NOTE: if compiler declines to compile this method, it will return null. |
| 607 | compiled_method = driver->GetCompiler()->Compile(code_item, access_flags, invoke_type, |
| 608 | class_def_idx, method_idx, class_loader, |
Mathieu Chartier | 736b560 | 2015-09-02 14:54:11 -0700 | [diff] [blame] | 609 | dex_file, dex_cache); |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 610 | } |
| 611 | if (compiled_method == nullptr && |
| 612 | dex_to_dex_compilation_level != optimizer::DexToDexCompilationLevel::kDontDexToDexCompile) { |
Vladimir Marko | 492a7fa | 2016-06-01 18:38:43 +0100 | [diff] [blame] | 613 | DCHECK(!Runtime::Current()->UseJitCompilation()); |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 614 | // TODO: add a command-line option to disable DEX-to-DEX compilation ? |
Vladimir Marko | 492a7fa | 2016-06-01 18:38:43 +0100 | [diff] [blame] | 615 | driver->MarkForDexToDexCompilation(self, method_ref); |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 616 | } |
| 617 | } |
| 618 | if (kTimeCompileMethod) { |
| 619 | uint64_t duration_ns = NanoTime() - start_ns; |
| 620 | if (duration_ns > MsToNs(driver->GetCompiler()->GetMaximumCompilationTimeBeforeWarning())) { |
David Sehr | 709b070 | 2016-10-13 09:12:37 -0700 | [diff] [blame] | 621 | LOG(WARNING) << "Compilation of " << dex_file.PrettyMethod(method_idx) |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 622 | << " took " << PrettyDuration(duration_ns); |
| 623 | } |
| 624 | } |
| 625 | |
| 626 | if (compiled_method != nullptr) { |
| 627 | // Count non-relative linker patches. |
| 628 | size_t non_relative_linker_patch_count = 0u; |
| 629 | for (const LinkerPatch& patch : compiled_method->GetPatches()) { |
| 630 | if (!patch.IsPcRelative()) { |
| 631 | ++non_relative_linker_patch_count; |
| 632 | } |
| 633 | } |
| 634 | bool compile_pic = driver->GetCompilerOptions().GetCompilePic(); // Off by default |
| 635 | // When compiling with PIC, there should be zero non-relative linker patches |
| 636 | CHECK(!compile_pic || non_relative_linker_patch_count == 0u); |
| 637 | |
| 638 | driver->AddCompiledMethod(method_ref, compiled_method, non_relative_linker_patch_count); |
| 639 | } |
| 640 | |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 641 | if (self->IsExceptionPending()) { |
| 642 | ScopedObjectAccess soa(self); |
David Sehr | 709b070 | 2016-10-13 09:12:37 -0700 | [diff] [blame] | 643 | LOG(FATAL) << "Unexpected exception compiling: " << dex_file.PrettyMethod(method_idx) << "\n" |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 644 | << self->GetException()->Dump(); |
Sebastien Hertz | 7502122 | 2013-07-16 18:34:50 +0200 | [diff] [blame] | 645 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 646 | } |
| 647 | |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 648 | void CompilerDriver::CompileOne(Thread* self, ArtMethod* method, TimingLogger* timings) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 649 | DCHECK(!Runtime::Current()->IsStarted()); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 650 | jobject jclass_loader; |
| 651 | const DexFile* dex_file; |
Ian Rogers | 8b2c0b9 | 2013-09-19 02:56:49 -0700 | [diff] [blame] | 652 | uint16_t class_def_idx; |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 653 | uint32_t method_idx = method->GetDexMethodIndex(); |
| 654 | uint32_t access_flags = method->GetAccessFlags(); |
| 655 | InvokeType invoke_type = method->GetInvokeType(); |
Mathieu Chartier | 736b560 | 2015-09-02 14:54:11 -0700 | [diff] [blame] | 656 | StackHandleScope<1> hs(self); |
| 657 | Handle<mirror::DexCache> dex_cache(hs.NewHandle(method->GetDexCache())); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 658 | { |
| 659 | ScopedObjectAccessUnchecked soa(self); |
Mathieu Chartier | e5f13e5 | 2015-02-24 09:37:21 -0800 | [diff] [blame] | 660 | ScopedLocalRef<jobject> local_class_loader( |
| 661 | soa.Env(), soa.AddLocalReference<jobject>(method->GetDeclaringClass()->GetClassLoader())); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 662 | jclass_loader = soa.Env()->NewGlobalRef(local_class_loader.get()); |
| 663 | // Find the dex_file |
Mathieu Chartier | bfd9a43 | 2014-05-21 17:43:44 -0700 | [diff] [blame] | 664 | dex_file = method->GetDexFile(); |
| 665 | class_def_idx = method->GetClassDefIndex(); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 666 | } |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 667 | const DexFile::CodeItem* code_item = dex_file->GetCodeItem(method->GetCodeItemOffset()); |
Mathieu Chartier | 736b560 | 2015-09-02 14:54:11 -0700 | [diff] [blame] | 668 | |
| 669 | // Go to native so that we don't block GC during compilation. |
Mathieu Chartier | f1d666e | 2015-09-03 16:13:34 -0700 | [diff] [blame] | 670 | ScopedThreadSuspension sts(self, kNative); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 671 | |
| 672 | std::vector<const DexFile*> dex_files; |
| 673 | dex_files.push_back(dex_file); |
| 674 | |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 675 | InitializeThreadPools(); |
| 676 | |
| 677 | PreCompile(jclass_loader, dex_files, timings); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 678 | |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 679 | // Can we run DEX-to-DEX compiler on this class ? |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 680 | optimizer::DexToDexCompilationLevel dex_to_dex_compilation_level = |
| 681 | GetDexToDexCompilationLevel(self, |
| 682 | *this, |
| 683 | jclass_loader, |
| 684 | *dex_file, |
| 685 | dex_file->GetClassDef(class_def_idx)); |
| 686 | |
Vladimir Marko | 492a7fa | 2016-06-01 18:38:43 +0100 | [diff] [blame] | 687 | DCHECK(current_dex_to_dex_methods_ == nullptr); |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 688 | CompileMethod(self, |
| 689 | this, |
| 690 | code_item, |
| 691 | access_flags, |
| 692 | invoke_type, |
| 693 | class_def_idx, |
| 694 | method_idx, |
| 695 | jclass_loader, |
| 696 | *dex_file, |
| 697 | dex_to_dex_compilation_level, |
Mathieu Chartier | 736b560 | 2015-09-02 14:54:11 -0700 | [diff] [blame] | 698 | true, |
| 699 | dex_cache); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 700 | |
Vladimir Marko | 492a7fa | 2016-06-01 18:38:43 +0100 | [diff] [blame] | 701 | ArrayRef<DexFileMethodSet> dex_to_dex_references; |
| 702 | { |
| 703 | // From this point on, we shall not modify dex_to_dex_references_, so |
| 704 | // just grab a reference to it that we use without holding the mutex. |
| 705 | MutexLock lock(Thread::Current(), dex_to_dex_references_lock_); |
| 706 | dex_to_dex_references = ArrayRef<DexFileMethodSet>(dex_to_dex_references_); |
| 707 | } |
| 708 | if (!dex_to_dex_references.empty()) { |
| 709 | DCHECK_EQ(dex_to_dex_references.size(), 1u); |
| 710 | DCHECK(&dex_to_dex_references[0].GetDexFile() == dex_file); |
| 711 | current_dex_to_dex_methods_ = &dex_to_dex_references.front().GetMethodIndexes(); |
| 712 | DCHECK(current_dex_to_dex_methods_->IsBitSet(method_idx)); |
| 713 | DCHECK_EQ(current_dex_to_dex_methods_->NumSetBits(), 1u); |
| 714 | CompileMethod(self, |
| 715 | this, |
| 716 | code_item, |
| 717 | access_flags, |
| 718 | invoke_type, |
| 719 | class_def_idx, |
| 720 | method_idx, |
| 721 | jclass_loader, |
| 722 | *dex_file, |
| 723 | dex_to_dex_compilation_level, |
| 724 | true, |
| 725 | dex_cache); |
| 726 | current_dex_to_dex_methods_ = nullptr; |
| 727 | } |
| 728 | |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 729 | FreeThreadPools(); |
| 730 | |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 731 | self->GetJniEnv()->DeleteGlobalRef(jclass_loader); |
Mathieu Chartier | 2535abe | 2015-02-17 10:38:49 -0800 | [diff] [blame] | 732 | } |
| 733 | |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 734 | void CompilerDriver::Resolve(jobject class_loader, |
| 735 | const std::vector<const DexFile*>& dex_files, |
| 736 | TimingLogger* timings) { |
| 737 | // Resolution allocates classes and needs to run single-threaded to be deterministic. |
| 738 | bool force_determinism = GetCompilerOptions().IsForceDeterminism(); |
| 739 | ThreadPool* resolve_thread_pool = force_determinism |
| 740 | ? single_thread_pool_.get() |
| 741 | : parallel_thread_pool_.get(); |
| 742 | size_t resolve_thread_count = force_determinism ? 1U : parallel_thread_count_; |
| 743 | |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 744 | for (size_t i = 0; i != dex_files.size(); ++i) { |
| 745 | const DexFile* dex_file = dex_files[i]; |
Kenny Root | d518534 | 2014-05-13 14:47:05 -0700 | [diff] [blame] | 746 | CHECK(dex_file != nullptr); |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 747 | ResolveDexFile(class_loader, |
| 748 | *dex_file, |
| 749 | dex_files, |
| 750 | resolve_thread_pool, |
| 751 | resolve_thread_count, |
| 752 | timings); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 753 | } |
| 754 | } |
| 755 | |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 756 | // Resolve const-strings in the code. Done to have deterministic allocation behavior. Right now |
| 757 | // this is single-threaded for simplicity. |
| 758 | // TODO: Collect the relevant string indices in parallel, then allocate them sequentially in a |
| 759 | // stable order. |
| 760 | |
Nicolas Geoffray | 571d234 | 2016-10-12 13:03:15 +0000 | [diff] [blame] | 761 | static void ResolveConstStrings(Handle<mirror::DexCache> dex_cache, |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 762 | const DexFile& dex_file, |
Nicolas Geoffray | 571d234 | 2016-10-12 13:03:15 +0000 | [diff] [blame] | 763 | const DexFile::CodeItem* code_item) |
| 764 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 765 | if (code_item == nullptr) { |
| 766 | // Abstract or native method. |
| 767 | return; |
| 768 | } |
| 769 | |
| 770 | const uint16_t* code_ptr = code_item->insns_; |
| 771 | const uint16_t* code_end = code_item->insns_ + code_item->insns_size_in_code_units_; |
Nicolas Geoffray | 571d234 | 2016-10-12 13:03:15 +0000 | [diff] [blame] | 772 | ClassLinker* const class_linker = Runtime::Current()->GetClassLinker(); |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 773 | |
| 774 | while (code_ptr < code_end) { |
| 775 | const Instruction* inst = Instruction::At(code_ptr); |
| 776 | switch (inst->Opcode()) { |
Nicolas Geoffray | 571d234 | 2016-10-12 13:03:15 +0000 | [diff] [blame] | 777 | case Instruction::CONST_STRING: |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 778 | case Instruction::CONST_STRING_JUMBO: { |
Nicolas Geoffray | 571d234 | 2016-10-12 13:03:15 +0000 | [diff] [blame] | 779 | uint32_t string_index = (inst->Opcode() == Instruction::CONST_STRING) |
| 780 | ? inst->VRegB_21c() |
| 781 | : inst->VRegB_31c(); |
| 782 | mirror::String* string = class_linker->ResolveString(dex_file, string_index, dex_cache); |
| 783 | CHECK(string != nullptr) << "Could not allocate a string when forcing determinism"; |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 784 | break; |
| 785 | } |
| 786 | |
| 787 | default: |
| 788 | break; |
| 789 | } |
| 790 | |
| 791 | code_ptr += inst->SizeInCodeUnits(); |
| 792 | } |
| 793 | } |
| 794 | |
| 795 | static void ResolveConstStrings(CompilerDriver* driver, |
| 796 | const std::vector<const DexFile*>& dex_files, |
| 797 | TimingLogger* timings) { |
Nicolas Geoffray | 571d234 | 2016-10-12 13:03:15 +0000 | [diff] [blame] | 798 | ScopedObjectAccess soa(Thread::Current()); |
| 799 | StackHandleScope<1> hs(soa.Self()); |
| 800 | ClassLinker* const class_linker = Runtime::Current()->GetClassLinker(); |
| 801 | MutableHandle<mirror::DexCache> dex_cache(hs.NewHandle<mirror::DexCache>(nullptr)); |
| 802 | |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 803 | for (const DexFile* dex_file : dex_files) { |
Nicolas Geoffray | 571d234 | 2016-10-12 13:03:15 +0000 | [diff] [blame] | 804 | dex_cache.Assign(class_linker->FindDexCache(soa.Self(), *dex_file, false)); |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 805 | TimingLogger::ScopedTiming t("Resolve const-string Strings", timings); |
| 806 | |
| 807 | size_t class_def_count = dex_file->NumClassDefs(); |
| 808 | for (size_t class_def_index = 0; class_def_index < class_def_count; ++class_def_index) { |
| 809 | const DexFile::ClassDef& class_def = dex_file->GetClassDef(class_def_index); |
| 810 | |
| 811 | const uint8_t* class_data = dex_file->GetClassData(class_def); |
| 812 | if (class_data == nullptr) { |
| 813 | // empty class, probably a marker interface |
| 814 | continue; |
| 815 | } |
| 816 | |
| 817 | ClassDataItemIterator it(*dex_file, class_data); |
| 818 | // Skip fields |
| 819 | while (it.HasNextStaticField()) { |
| 820 | it.Next(); |
| 821 | } |
| 822 | while (it.HasNextInstanceField()) { |
| 823 | it.Next(); |
| 824 | } |
| 825 | |
| 826 | bool compilation_enabled = driver->IsClassToCompile( |
| 827 | dex_file->StringByTypeIdx(class_def.class_idx_)); |
| 828 | if (!compilation_enabled) { |
| 829 | // Compilation is skipped, do not resolve const-string in code of this class. |
| 830 | // TODO: Make sure that inlining honors this. |
| 831 | continue; |
| 832 | } |
| 833 | |
| 834 | // Direct methods. |
| 835 | int64_t previous_direct_method_idx = -1; |
| 836 | while (it.HasNextDirectMethod()) { |
| 837 | uint32_t method_idx = it.GetMemberIndex(); |
| 838 | if (method_idx == previous_direct_method_idx) { |
| 839 | // smali can create dex files with two encoded_methods sharing the same method_idx |
| 840 | // http://code.google.com/p/smali/issues/detail?id=119 |
| 841 | it.Next(); |
| 842 | continue; |
| 843 | } |
| 844 | previous_direct_method_idx = method_idx; |
Nicolas Geoffray | 571d234 | 2016-10-12 13:03:15 +0000 | [diff] [blame] | 845 | ResolveConstStrings(dex_cache, *dex_file, it.GetMethodCodeItem()); |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 846 | it.Next(); |
| 847 | } |
| 848 | // Virtual methods. |
| 849 | int64_t previous_virtual_method_idx = -1; |
| 850 | while (it.HasNextVirtualMethod()) { |
| 851 | uint32_t method_idx = it.GetMemberIndex(); |
| 852 | if (method_idx == previous_virtual_method_idx) { |
| 853 | // smali can create dex files with two encoded_methods sharing the same method_idx |
| 854 | // http://code.google.com/p/smali/issues/detail?id=119 |
| 855 | it.Next(); |
| 856 | continue; |
| 857 | } |
| 858 | previous_virtual_method_idx = method_idx; |
Nicolas Geoffray | 571d234 | 2016-10-12 13:03:15 +0000 | [diff] [blame] | 859 | ResolveConstStrings(dex_cache, *dex_file, it.GetMethodCodeItem()); |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 860 | it.Next(); |
| 861 | } |
| 862 | DCHECK(!it.HasNext()); |
| 863 | } |
| 864 | } |
| 865 | } |
| 866 | |
| 867 | inline void CompilerDriver::CheckThreadPools() { |
| 868 | DCHECK(parallel_thread_pool_ != nullptr); |
| 869 | DCHECK(single_thread_pool_ != nullptr); |
| 870 | } |
| 871 | |
| 872 | void CompilerDriver::PreCompile(jobject class_loader, |
| 873 | const std::vector<const DexFile*>& dex_files, |
| 874 | TimingLogger* timings) { |
| 875 | CheckThreadPools(); |
| 876 | |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 877 | LoadImageClasses(timings); |
Andreas Gampe | 8d295f8 | 2015-01-20 14:50:21 -0800 | [diff] [blame] | 878 | VLOG(compiler) << "LoadImageClasses: " << GetMemoryUsageString(false); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 879 | |
Mathieu Chartier | e86deef | 2015-03-19 13:43:37 -0700 | [diff] [blame] | 880 | const bool verification_enabled = compiler_options_->IsVerificationEnabled(); |
| 881 | const bool never_verify = compiler_options_->NeverVerify(); |
Mathieu Chartier | a807780 | 2016-03-16 19:08:31 -0700 | [diff] [blame] | 882 | const bool verify_only_profile = compiler_options_->VerifyOnlyProfile(); |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 883 | |
Mathieu Chartier | e86deef | 2015-03-19 13:43:37 -0700 | [diff] [blame] | 884 | // We need to resolve for never_verify since it needs to run dex to dex to add the |
| 885 | // RETURN_VOID_NO_BARRIER. |
Mathieu Chartier | a807780 | 2016-03-16 19:08:31 -0700 | [diff] [blame] | 886 | // Let the verifier resolve as needed for the verify_only_profile case. |
| 887 | if ((never_verify || verification_enabled) && !verify_only_profile) { |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 888 | Resolve(class_loader, dex_files, timings); |
Mathieu Chartier | e86deef | 2015-03-19 13:43:37 -0700 | [diff] [blame] | 889 | VLOG(compiler) << "Resolve: " << GetMemoryUsageString(false); |
| 890 | } |
| 891 | |
| 892 | if (never_verify) { |
Mathieu Chartier | ab972ef | 2014-12-03 17:38:22 -0800 | [diff] [blame] | 893 | VLOG(compiler) << "Verify none mode specified, skipping verification."; |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 894 | SetVerified(class_loader, dex_files, timings); |
Mathieu Chartier | e86deef | 2015-03-19 13:43:37 -0700 | [diff] [blame] | 895 | } |
| 896 | |
| 897 | if (!verification_enabled) { |
Jeff Hao | 4a200f5 | 2014-04-01 14:58:49 -0700 | [diff] [blame] | 898 | return; |
| 899 | } |
| 900 | |
Vladimir Marko | aad75c6 | 2016-10-03 08:46:48 +0000 | [diff] [blame] | 901 | if (GetCompilerOptions().IsForceDeterminism() && GetCompilerOptions().IsBootImage()) { |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 902 | // Resolve strings from const-string. Do this now to have a deterministic image. |
| 903 | ResolveConstStrings(this, dex_files, timings); |
| 904 | VLOG(compiler) << "Resolve const-strings: " << GetMemoryUsageString(false); |
| 905 | } |
| 906 | |
| 907 | Verify(class_loader, dex_files, timings); |
Andreas Gampe | 8d295f8 | 2015-01-20 14:50:21 -0800 | [diff] [blame] | 908 | VLOG(compiler) << "Verify: " << GetMemoryUsageString(false); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 909 | |
Andreas Gampe | 6cf49e5 | 2015-03-05 13:08:45 -0800 | [diff] [blame] | 910 | if (had_hard_verifier_failure_ && GetCompilerOptions().AbortOnHardVerifierFailure()) { |
| 911 | LOG(FATAL) << "Had a hard failure verifying all classes, and was asked to abort in such " |
| 912 | << "situations. Please check the log."; |
| 913 | } |
| 914 | |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 915 | InitializeClasses(class_loader, dex_files, timings); |
Andreas Gampe | 8d295f8 | 2015-01-20 14:50:21 -0800 | [diff] [blame] | 916 | VLOG(compiler) << "InitializeClasses: " << GetMemoryUsageString(false); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 917 | |
| 918 | UpdateImageClasses(timings); |
Andreas Gampe | 8d295f8 | 2015-01-20 14:50:21 -0800 | [diff] [blame] | 919 | VLOG(compiler) << "UpdateImageClasses: " << GetMemoryUsageString(false); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 920 | } |
| 921 | |
Ian Rogers | dfb325e | 2013-10-30 01:00:44 -0700 | [diff] [blame] | 922 | bool CompilerDriver::IsImageClass(const char* descriptor) const { |
Mathieu Chartier | c5dd319 | 2015-12-09 16:38:30 -0800 | [diff] [blame] | 923 | if (image_classes_ != nullptr) { |
| 924 | // If we have a set of image classes, use those. |
Ian Rogers | dfb325e | 2013-10-30 01:00:44 -0700 | [diff] [blame] | 925 | return image_classes_->find(descriptor) != image_classes_->end(); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 926 | } |
Mathieu Chartier | c5dd319 | 2015-12-09 16:38:30 -0800 | [diff] [blame] | 927 | // No set of image classes, assume we include all the classes. |
| 928 | // NOTE: Currently only reachable from InitImageMethodVisitor for the app image case. |
Vladimir Marko | aad75c6 | 2016-10-03 08:46:48 +0000 | [diff] [blame] | 929 | return !GetCompilerOptions().IsBootImage(); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 930 | } |
| 931 | |
Andreas Gampe | 4bf3ae9 | 2014-11-11 13:28:29 -0800 | [diff] [blame] | 932 | bool CompilerDriver::IsClassToCompile(const char* descriptor) const { |
Andreas Gampe | b1fcead | 2015-04-20 18:53:51 -0700 | [diff] [blame] | 933 | if (classes_to_compile_ == nullptr) { |
| 934 | return true; |
| 935 | } |
| 936 | return classes_to_compile_->find(descriptor) != classes_to_compile_->end(); |
Andreas Gampe | 4bf3ae9 | 2014-11-11 13:28:29 -0800 | [diff] [blame] | 937 | } |
| 938 | |
Andreas Gampe | 70bef0d | 2015-04-15 02:37:28 -0700 | [diff] [blame] | 939 | bool CompilerDriver::IsMethodToCompile(const MethodReference& method_ref) const { |
Andreas Gampe | 70bef0d | 2015-04-15 02:37:28 -0700 | [diff] [blame] | 940 | if (methods_to_compile_ == nullptr) { |
| 941 | return true; |
| 942 | } |
| 943 | |
David Sehr | 709b070 | 2016-10-13 09:12:37 -0700 | [diff] [blame] | 944 | std::string tmp = method_ref.dex_file->PrettyMethod(method_ref.dex_method_index, true); |
Andreas Gampe | 70bef0d | 2015-04-15 02:37:28 -0700 | [diff] [blame] | 945 | return methods_to_compile_->find(tmp.c_str()) != methods_to_compile_->end(); |
| 946 | } |
| 947 | |
Calin Juravle | 226501b | 2015-12-11 14:41:31 +0000 | [diff] [blame] | 948 | bool CompilerDriver::ShouldCompileBasedOnProfile(const MethodReference& method_ref) const { |
| 949 | if (profile_compilation_info_ == nullptr) { |
| 950 | // If we miss profile information it means that we don't do a profile guided compilation. |
| 951 | // Return true, and let the other filters decide if the method should be compiled. |
| 952 | return true; |
| 953 | } |
| 954 | bool result = profile_compilation_info_->ContainsMethod(method_ref); |
| 955 | |
| 956 | if (kDebugProfileGuidedCompilation) { |
| 957 | LOG(INFO) << "[ProfileGuidedCompilation] " |
| 958 | << (result ? "Compiled" : "Skipped") << " method:" |
David Sehr | 709b070 | 2016-10-13 09:12:37 -0700 | [diff] [blame] | 959 | << method_ref.dex_file->PrettyMethod(method_ref.dex_method_index, true); |
Calin Juravle | 226501b | 2015-12-11 14:41:31 +0000 | [diff] [blame] | 960 | } |
| 961 | return result; |
| 962 | } |
| 963 | |
Mathieu Chartier | a807780 | 2016-03-16 19:08:31 -0700 | [diff] [blame] | 964 | bool CompilerDriver::ShouldVerifyClassBasedOnProfile(const DexFile& dex_file, |
| 965 | uint16_t class_idx) const { |
| 966 | if (!compiler_options_->VerifyOnlyProfile()) { |
| 967 | // No profile, verify everything. |
| 968 | return true; |
| 969 | } |
| 970 | DCHECK(profile_compilation_info_ != nullptr); |
| 971 | bool result = profile_compilation_info_->ContainsClass(dex_file, class_idx); |
| 972 | if (kDebugProfileGuidedCompilation) { |
| 973 | LOG(INFO) << "[ProfileGuidedCompilation] " |
| 974 | << (result ? "Verified" : "Skipped") << " method:" |
| 975 | << dex_file.GetClassDescriptor(dex_file.GetClassDef(class_idx)); |
| 976 | } |
| 977 | return result; |
| 978 | } |
| 979 | |
Mathieu Chartier | e0671ce | 2015-07-28 17:23:28 -0700 | [diff] [blame] | 980 | class ResolveCatchBlockExceptionsClassVisitor : public ClassVisitor { |
| 981 | public: |
Chih-Hung Hsieh | 471118e | 2016-04-29 14:27:41 -0700 | [diff] [blame] | 982 | explicit ResolveCatchBlockExceptionsClassVisitor( |
Mathieu Chartier | e0671ce | 2015-07-28 17:23:28 -0700 | [diff] [blame] | 983 | std::set<std::pair<uint16_t, const DexFile*>>& exceptions_to_resolve) |
| 984 | : exceptions_to_resolve_(exceptions_to_resolve) {} |
| 985 | |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 986 | virtual bool operator()(ObjPtr<mirror::Class> c) OVERRIDE REQUIRES_SHARED(Locks::mutator_lock_) { |
Mathieu Chartier | e4275c0 | 2015-08-06 15:34:15 -0700 | [diff] [blame] | 987 | const auto pointer_size = Runtime::Current()->GetClassLinker()->GetImagePointerSize(); |
Alex Light | e64300b | 2015-12-15 15:02:47 -0800 | [diff] [blame] | 988 | for (auto& m : c->GetMethods(pointer_size)) { |
Vladimir Marko | 05792b9 | 2015-08-03 11:56:49 +0100 | [diff] [blame] | 989 | ResolveExceptionsForMethod(&m, pointer_size); |
Mathieu Chartier | e4275c0 | 2015-08-06 15:34:15 -0700 | [diff] [blame] | 990 | } |
| 991 | return true; |
| 992 | } |
| 993 | |
| 994 | private: |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 995 | void ResolveExceptionsForMethod(ArtMethod* method_handle, PointerSize pointer_size) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 996 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Mathieu Chartier | e0671ce | 2015-07-28 17:23:28 -0700 | [diff] [blame] | 997 | const DexFile::CodeItem* code_item = method_handle->GetCodeItem(); |
| 998 | if (code_item == nullptr) { |
| 999 | return; // native or abstract method |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1000 | } |
Mathieu Chartier | e0671ce | 2015-07-28 17:23:28 -0700 | [diff] [blame] | 1001 | if (code_item->tries_size_ == 0) { |
| 1002 | return; // nothing to process |
| 1003 | } |
| 1004 | const uint8_t* encoded_catch_handler_list = DexFile::GetCatchHandlerData(*code_item, 0); |
| 1005 | size_t num_encoded_catch_handlers = DecodeUnsignedLeb128(&encoded_catch_handler_list); |
| 1006 | for (size_t i = 0; i < num_encoded_catch_handlers; i++) { |
| 1007 | int32_t encoded_catch_handler_size = DecodeSignedLeb128(&encoded_catch_handler_list); |
| 1008 | bool has_catch_all = false; |
| 1009 | if (encoded_catch_handler_size <= 0) { |
| 1010 | encoded_catch_handler_size = -encoded_catch_handler_size; |
| 1011 | has_catch_all = true; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1012 | } |
Mathieu Chartier | e0671ce | 2015-07-28 17:23:28 -0700 | [diff] [blame] | 1013 | for (int32_t j = 0; j < encoded_catch_handler_size; j++) { |
| 1014 | uint16_t encoded_catch_handler_handlers_type_idx = |
| 1015 | DecodeUnsignedLeb128(&encoded_catch_handler_list); |
| 1016 | // Add to set of types to resolve if not already in the dex cache resolved types |
Vladimir Marko | 05792b9 | 2015-08-03 11:56:49 +0100 | [diff] [blame] | 1017 | if (!method_handle->IsResolvedTypeIdx(encoded_catch_handler_handlers_type_idx, |
| 1018 | pointer_size)) { |
Mathieu Chartier | e0671ce | 2015-07-28 17:23:28 -0700 | [diff] [blame] | 1019 | exceptions_to_resolve_.emplace(encoded_catch_handler_handlers_type_idx, |
| 1020 | method_handle->GetDexFile()); |
| 1021 | } |
| 1022 | // ignore address associated with catch handler |
| 1023 | DecodeUnsignedLeb128(&encoded_catch_handler_list); |
| 1024 | } |
| 1025 | if (has_catch_all) { |
| 1026 | // ignore catch all address |
| 1027 | DecodeUnsignedLeb128(&encoded_catch_handler_list); |
| 1028 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1029 | } |
| 1030 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1031 | |
Mathieu Chartier | e0671ce | 2015-07-28 17:23:28 -0700 | [diff] [blame] | 1032 | std::set<std::pair<uint16_t, const DexFile*>>& exceptions_to_resolve_; |
| 1033 | }; |
| 1034 | |
| 1035 | class RecordImageClassesVisitor : public ClassVisitor { |
| 1036 | public: |
| 1037 | explicit RecordImageClassesVisitor(std::unordered_set<std::string>* image_classes) |
| 1038 | : image_classes_(image_classes) {} |
| 1039 | |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 1040 | bool operator()(ObjPtr<mirror::Class> klass) OVERRIDE REQUIRES_SHARED(Locks::mutator_lock_) { |
Mathieu Chartier | e0671ce | 2015-07-28 17:23:28 -0700 | [diff] [blame] | 1041 | std::string temp; |
| 1042 | image_classes_->insert(klass->GetDescriptor(&temp)); |
| 1043 | return true; |
| 1044 | } |
| 1045 | |
| 1046 | private: |
| 1047 | std::unordered_set<std::string>* const image_classes_; |
| 1048 | }; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1049 | |
| 1050 | // Make a list of descriptors for classes to include in the image |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1051 | void CompilerDriver::LoadImageClasses(TimingLogger* timings) { |
Kenny Root | d518534 | 2014-05-13 14:47:05 -0700 | [diff] [blame] | 1052 | CHECK(timings != nullptr); |
Vladimir Marko | aad75c6 | 2016-10-03 08:46:48 +0000 | [diff] [blame] | 1053 | if (!GetCompilerOptions().IsBootImage()) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1054 | return; |
| 1055 | } |
| 1056 | |
Mathieu Chartier | f5997b4 | 2014-06-20 10:37:54 -0700 | [diff] [blame] | 1057 | TimingLogger::ScopedTiming t("LoadImageClasses", timings); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1058 | // Make a first class to load all classes explicitly listed in the file |
| 1059 | Thread* self = Thread::Current(); |
| 1060 | ScopedObjectAccess soa(self); |
| 1061 | ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); |
Kenny Root | d518534 | 2014-05-13 14:47:05 -0700 | [diff] [blame] | 1062 | CHECK(image_classes_.get() != nullptr); |
Mathieu Chartier | 02e2511 | 2013-08-14 16:14:24 -0700 | [diff] [blame] | 1063 | for (auto it = image_classes_->begin(), end = image_classes_->end(); it != end;) { |
Vladimir Marko | e9c36b3 | 2013-11-21 15:49:16 +0000 | [diff] [blame] | 1064 | const std::string& descriptor(*it); |
Mathieu Chartier | eb8167a | 2014-05-07 15:43:14 -0700 | [diff] [blame] | 1065 | StackHandleScope<1> hs(self); |
| 1066 | Handle<mirror::Class> klass( |
| 1067 | hs.NewHandle(class_linker->FindSystemClass(self, descriptor.c_str()))); |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 1068 | if (klass.Get() == nullptr) { |
Ian Rogers | e6bb3b2 | 2013-08-19 21:51:45 -0700 | [diff] [blame] | 1069 | VLOG(compiler) << "Failed to find class " << descriptor; |
Vladimir Marko | e9c36b3 | 2013-11-21 15:49:16 +0000 | [diff] [blame] | 1070 | image_classes_->erase(it++); |
Ian Rogers | a436fde | 2013-08-27 23:34:06 -0700 | [diff] [blame] | 1071 | self->ClearException(); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1072 | } else { |
| 1073 | ++it; |
| 1074 | } |
| 1075 | } |
| 1076 | |
| 1077 | // Resolve exception classes referenced by the loaded classes. The catch logic assumes |
| 1078 | // exceptions are resolved by the verifier when there is a catch block in an interested method. |
| 1079 | // Do this here so that exception classes appear to have been specified image classes. |
Ian Rogers | 700a402 | 2014-05-19 16:49:03 -0700 | [diff] [blame] | 1080 | std::set<std::pair<uint16_t, const DexFile*>> unresolved_exception_types; |
Mathieu Chartier | eb8167a | 2014-05-07 15:43:14 -0700 | [diff] [blame] | 1081 | StackHandleScope<1> hs(self); |
| 1082 | Handle<mirror::Class> java_lang_Throwable( |
| 1083 | hs.NewHandle(class_linker->FindSystemClass(self, "Ljava/lang/Throwable;"))); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1084 | do { |
| 1085 | unresolved_exception_types.clear(); |
Mathieu Chartier | e0671ce | 2015-07-28 17:23:28 -0700 | [diff] [blame] | 1086 | ResolveCatchBlockExceptionsClassVisitor visitor(unresolved_exception_types); |
| 1087 | class_linker->VisitClasses(&visitor); |
Mathieu Chartier | 02e2511 | 2013-08-14 16:14:24 -0700 | [diff] [blame] | 1088 | for (const std::pair<uint16_t, const DexFile*>& exception_type : unresolved_exception_types) { |
| 1089 | uint16_t exception_type_idx = exception_type.first; |
| 1090 | const DexFile* dex_file = exception_type.second; |
Andreas Gampe | 277ccbd | 2014-11-03 21:36:10 -0800 | [diff] [blame] | 1091 | StackHandleScope<2> hs2(self); |
Mathieu Chartier | f284d44 | 2016-06-02 11:48:30 -0700 | [diff] [blame] | 1092 | Handle<mirror::DexCache> dex_cache(hs2.NewHandle(class_linker->RegisterDexFile(*dex_file, |
| 1093 | nullptr))); |
Andreas Gampe | 277ccbd | 2014-11-03 21:36:10 -0800 | [diff] [blame] | 1094 | Handle<mirror::Class> klass(hs2.NewHandle( |
Mathieu Chartier | 9865bde | 2015-12-21 09:58:16 -0800 | [diff] [blame] | 1095 | class_linker->ResolveType(*dex_file, |
| 1096 | exception_type_idx, |
| 1097 | dex_cache, |
| 1098 | ScopedNullHandle<mirror::ClassLoader>()))); |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 1099 | if (klass.Get() == nullptr) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1100 | const DexFile::TypeId& type_id = dex_file->GetTypeId(exception_type_idx); |
| 1101 | const char* descriptor = dex_file->GetTypeDescriptor(type_id); |
| 1102 | LOG(FATAL) << "Failed to resolve class " << descriptor; |
| 1103 | } |
Mathieu Chartier | eb8167a | 2014-05-07 15:43:14 -0700 | [diff] [blame] | 1104 | DCHECK(java_lang_Throwable->IsAssignableFrom(klass.Get())); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1105 | } |
| 1106 | // Resolving exceptions may load classes that reference more exceptions, iterate until no |
| 1107 | // more are found |
| 1108 | } while (!unresolved_exception_types.empty()); |
| 1109 | |
| 1110 | // We walk the roots looking for classes so that we'll pick up the |
| 1111 | // above classes plus any classes them depend on such super |
| 1112 | // classes, interfaces, and the required ClassLinker roots. |
Mathieu Chartier | e0671ce | 2015-07-28 17:23:28 -0700 | [diff] [blame] | 1113 | RecordImageClassesVisitor visitor(image_classes_.get()); |
| 1114 | class_linker->VisitClasses(&visitor); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1115 | |
| 1116 | CHECK_NE(image_classes_->size(), 0U); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1117 | } |
| 1118 | |
Andreas Gampe | b1fcead | 2015-04-20 18:53:51 -0700 | [diff] [blame] | 1119 | static void MaybeAddToImageClasses(Handle<mirror::Class> c, |
| 1120 | std::unordered_set<std::string>* image_classes) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 1121 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Mathieu Chartier | f832284 | 2014-05-16 10:59:25 -0700 | [diff] [blame] | 1122 | Thread* self = Thread::Current(); |
| 1123 | StackHandleScope<1> hs(self); |
| 1124 | // Make a copy of the handle so that we don't clobber it doing Assign. |
Andreas Gampe | 5a4b8a2 | 2014-09-11 08:30:08 -0700 | [diff] [blame] | 1125 | MutableHandle<mirror::Class> klass(hs.NewHandle(c.Get())); |
Ian Rogers | 1ff3c98 | 2014-08-12 02:30:58 -0700 | [diff] [blame] | 1126 | std::string temp; |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 1127 | const PointerSize pointer_size = Runtime::Current()->GetClassLinker()->GetImagePointerSize(); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1128 | while (!klass->IsObjectClass()) { |
Ian Rogers | 1ff3c98 | 2014-08-12 02:30:58 -0700 | [diff] [blame] | 1129 | const char* descriptor = klass->GetDescriptor(&temp); |
Andreas Gampe | b1fcead | 2015-04-20 18:53:51 -0700 | [diff] [blame] | 1130 | std::pair<std::unordered_set<std::string>::iterator, bool> result = |
| 1131 | image_classes->insert(descriptor); |
Ian Rogers | 1ff3c98 | 2014-08-12 02:30:58 -0700 | [diff] [blame] | 1132 | if (!result.second) { // Previously inserted. |
| 1133 | break; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1134 | } |
Ian Rogers | 1ff3c98 | 2014-08-12 02:30:58 -0700 | [diff] [blame] | 1135 | VLOG(compiler) << "Adding " << descriptor << " to image classes"; |
Mathieu Chartier | f832284 | 2014-05-16 10:59:25 -0700 | [diff] [blame] | 1136 | for (size_t i = 0; i < klass->NumDirectInterfaces(); ++i) { |
Andreas Gampe | 277ccbd | 2014-11-03 21:36:10 -0800 | [diff] [blame] | 1137 | StackHandleScope<1> hs2(self); |
Mathieu Chartier | 31e8822 | 2016-10-14 18:43:19 -0700 | [diff] [blame] | 1138 | // May cause thread suspension. |
Andreas Gampe | 277ccbd | 2014-11-03 21:36:10 -0800 | [diff] [blame] | 1139 | MaybeAddToImageClasses(hs2.NewHandle(mirror::Class::GetDirectInterface(self, klass, i)), |
Mathieu Chartier | f832284 | 2014-05-16 10:59:25 -0700 | [diff] [blame] | 1140 | image_classes); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1141 | } |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 1142 | for (auto& m : c->GetVirtualMethods(pointer_size)) { |
Alex Light | 3612149 | 2016-02-22 13:43:29 -0800 | [diff] [blame] | 1143 | StackHandleScope<1> hs2(self); |
| 1144 | MaybeAddToImageClasses(hs2.NewHandle(m.GetDeclaringClass()), image_classes); |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 1145 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1146 | if (klass->IsArrayClass()) { |
Andreas Gampe | 277ccbd | 2014-11-03 21:36:10 -0800 | [diff] [blame] | 1147 | StackHandleScope<1> hs2(self); |
| 1148 | MaybeAddToImageClasses(hs2.NewHandle(klass->GetComponentType()), image_classes); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1149 | } |
Mathieu Chartier | f832284 | 2014-05-16 10:59:25 -0700 | [diff] [blame] | 1150 | klass.Assign(klass->GetSuperClass()); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1151 | } |
| 1152 | } |
| 1153 | |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 1154 | // Keeps all the data for the update together. Also doubles as the reference visitor. |
| 1155 | // Note: we can use object pointers because we suspend all threads. |
| 1156 | class ClinitImageUpdate { |
| 1157 | public: |
Mathieu Chartier | 31e8822 | 2016-10-14 18:43:19 -0700 | [diff] [blame] | 1158 | static ClinitImageUpdate* Create(VariableSizedHandleScope& hs, |
| 1159 | std::unordered_set<std::string>* image_class_descriptors, |
| 1160 | Thread* self, |
| 1161 | ClassLinker* linker) { |
| 1162 | std::unique_ptr<ClinitImageUpdate> res(new ClinitImageUpdate(hs, |
| 1163 | image_class_descriptors, |
| 1164 | self, |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 1165 | linker)); |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 1166 | return res.release(); |
| 1167 | } |
| 1168 | |
| 1169 | ~ClinitImageUpdate() { |
| 1170 | // Allow others to suspend again. |
| 1171 | self_->EndAssertNoThreadSuspension(old_cause_); |
| 1172 | } |
| 1173 | |
| 1174 | // Visitor for VisitReferences. |
Mathieu Chartier | 31e8822 | 2016-10-14 18:43:19 -0700 | [diff] [blame] | 1175 | void operator()(ObjPtr<mirror::Object> object, |
| 1176 | MemberOffset field_offset, |
| 1177 | bool /* is_static */) const |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 1178 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 1179 | mirror::Object* ref = object->GetFieldObject<mirror::Object>(field_offset); |
| 1180 | if (ref != nullptr) { |
| 1181 | VisitClinitClassesObject(ref); |
| 1182 | } |
| 1183 | } |
| 1184 | |
| 1185 | // java.lang.Reference visitor for VisitReferences. |
Mathieu Chartier | 31e8822 | 2016-10-14 18:43:19 -0700 | [diff] [blame] | 1186 | void operator()(ObjPtr<mirror::Class> klass ATTRIBUTE_UNUSED, |
| 1187 | ObjPtr<mirror::Reference> ref ATTRIBUTE_UNUSED) const {} |
Mathieu Chartier | da7c650 | 2015-07-23 16:01:26 -0700 | [diff] [blame] | 1188 | |
| 1189 | // Ignore class native roots. |
| 1190 | void VisitRootIfNonNull(mirror::CompressedReference<mirror::Object>* root ATTRIBUTE_UNUSED) |
| 1191 | const {} |
| 1192 | void VisitRoot(mirror::CompressedReference<mirror::Object>* root ATTRIBUTE_UNUSED) const {} |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 1193 | |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 1194 | void Walk() REQUIRES_SHARED(Locks::mutator_lock_) { |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 1195 | // Use the initial classes as roots for a search. |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 1196 | for (Handle<mirror::Class> klass_root : image_classes_) { |
| 1197 | VisitClinitClassesObject(klass_root.Get()); |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 1198 | } |
Mathieu Chartier | 31e8822 | 2016-10-14 18:43:19 -0700 | [diff] [blame] | 1199 | for (Handle<mirror::Class> h_klass : to_insert_) { |
| 1200 | MaybeAddToImageClasses(h_klass, image_class_descriptors_); |
| 1201 | } |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 1202 | } |
| 1203 | |
| 1204 | private: |
Mathieu Chartier | e0671ce | 2015-07-28 17:23:28 -0700 | [diff] [blame] | 1205 | class FindImageClassesVisitor : public ClassVisitor { |
| 1206 | public: |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 1207 | explicit FindImageClassesVisitor(VariableSizedHandleScope& hs, |
| 1208 | ClinitImageUpdate* data) |
| 1209 | : data_(data), |
| 1210 | hs_(hs) {} |
Mathieu Chartier | e0671ce | 2015-07-28 17:23:28 -0700 | [diff] [blame] | 1211 | |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 1212 | bool operator()(ObjPtr<mirror::Class> klass) OVERRIDE REQUIRES_SHARED(Locks::mutator_lock_) { |
Mathieu Chartier | e0671ce | 2015-07-28 17:23:28 -0700 | [diff] [blame] | 1213 | std::string temp; |
| 1214 | const char* name = klass->GetDescriptor(&temp); |
| 1215 | if (data_->image_class_descriptors_->find(name) != data_->image_class_descriptors_->end()) { |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 1216 | data_->image_classes_.push_back(hs_.NewHandle(klass)); |
Mathieu Chartier | e0671ce | 2015-07-28 17:23:28 -0700 | [diff] [blame] | 1217 | } else { |
| 1218 | // Check whether it is initialized and has a clinit. They must be kept, too. |
| 1219 | if (klass->IsInitialized() && klass->FindClassInitializer( |
| 1220 | Runtime::Current()->GetClassLinker()->GetImagePointerSize()) != nullptr) { |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 1221 | data_->image_classes_.push_back(hs_.NewHandle(klass)); |
Mathieu Chartier | e0671ce | 2015-07-28 17:23:28 -0700 | [diff] [blame] | 1222 | } |
| 1223 | } |
| 1224 | return true; |
| 1225 | } |
| 1226 | |
| 1227 | private: |
| 1228 | ClinitImageUpdate* const data_; |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 1229 | VariableSizedHandleScope& hs_; |
Mathieu Chartier | e0671ce | 2015-07-28 17:23:28 -0700 | [diff] [blame] | 1230 | }; |
| 1231 | |
Mathieu Chartier | 31e8822 | 2016-10-14 18:43:19 -0700 | [diff] [blame] | 1232 | ClinitImageUpdate(VariableSizedHandleScope& hs, |
| 1233 | std::unordered_set<std::string>* image_class_descriptors, |
| 1234 | Thread* self, |
| 1235 | ClassLinker* linker) REQUIRES_SHARED(Locks::mutator_lock_) |
| 1236 | : hs_(hs), |
| 1237 | image_class_descriptors_(image_class_descriptors), |
| 1238 | self_(self) { |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 1239 | CHECK(linker != nullptr); |
| 1240 | CHECK(image_class_descriptors != nullptr); |
| 1241 | |
| 1242 | // Make sure nobody interferes with us. |
| 1243 | old_cause_ = self->StartAssertNoThreadSuspension("Boot image closure"); |
| 1244 | |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 1245 | // Find all the already-marked classes. |
| 1246 | WriterMutexLock mu(self, *Locks::heap_bitmap_lock_); |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 1247 | FindImageClassesVisitor visitor(hs_, this); |
Mathieu Chartier | e0671ce | 2015-07-28 17:23:28 -0700 | [diff] [blame] | 1248 | linker->VisitClasses(&visitor); |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 1249 | } |
| 1250 | |
| 1251 | void VisitClinitClassesObject(mirror::Object* object) const |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 1252 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 1253 | DCHECK(object != nullptr); |
| 1254 | if (marked_objects_.find(object) != marked_objects_.end()) { |
| 1255 | // Already processed. |
| 1256 | return; |
| 1257 | } |
| 1258 | |
| 1259 | // Mark it. |
| 1260 | marked_objects_.insert(object); |
| 1261 | |
| 1262 | if (object->IsClass()) { |
Mathieu Chartier | 31e8822 | 2016-10-14 18:43:19 -0700 | [diff] [blame] | 1263 | // Add to the TODO list since MaybeAddToImageClasses may cause thread suspension. Thread |
| 1264 | // suspensionb is not safe to do in VisitObjects or VisitReferences. |
| 1265 | to_insert_.push_back(hs_.NewHandle(object->AsClass())); |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 1266 | } else { |
| 1267 | // Else visit the object's class. |
| 1268 | VisitClinitClassesObject(object->GetClass()); |
| 1269 | } |
| 1270 | |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 1271 | // If it is not a DexCache, visit all references. |
Mathieu Chartier | 31e8822 | 2016-10-14 18:43:19 -0700 | [diff] [blame] | 1272 | if (!object->IsDexCache()) { |
Mathieu Chartier | 059ef3d | 2015-08-18 13:54:21 -0700 | [diff] [blame] | 1273 | object->VisitReferences(*this, *this); |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 1274 | } |
| 1275 | } |
| 1276 | |
Mathieu Chartier | 31e8822 | 2016-10-14 18:43:19 -0700 | [diff] [blame] | 1277 | VariableSizedHandleScope& hs_; |
| 1278 | mutable std::vector<Handle<mirror::Class>> to_insert_; |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 1279 | mutable std::unordered_set<mirror::Object*> marked_objects_; |
Andreas Gampe | b1fcead | 2015-04-20 18:53:51 -0700 | [diff] [blame] | 1280 | std::unordered_set<std::string>* const image_class_descriptors_; |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 1281 | std::vector<Handle<mirror::Class>> image_classes_; |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 1282 | Thread* const self_; |
| 1283 | const char* old_cause_; |
| 1284 | |
| 1285 | DISALLOW_COPY_AND_ASSIGN(ClinitImageUpdate); |
| 1286 | }; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1287 | |
Ian Rogers | 3d50407 | 2014-03-01 09:16:49 -0800 | [diff] [blame] | 1288 | void CompilerDriver::UpdateImageClasses(TimingLogger* timings) { |
Vladimir Marko | aad75c6 | 2016-10-03 08:46:48 +0000 | [diff] [blame] | 1289 | if (GetCompilerOptions().IsBootImage()) { |
Mathieu Chartier | f5997b4 | 2014-06-20 10:37:54 -0700 | [diff] [blame] | 1290 | TimingLogger::ScopedTiming t("UpdateImageClasses", timings); |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 1291 | |
Mathieu Chartier | 4f55e22 | 2015-09-04 13:26:21 -0700 | [diff] [blame] | 1292 | Runtime* runtime = Runtime::Current(); |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 1293 | |
| 1294 | // Suspend all threads. |
Mathieu Chartier | 4f55e22 | 2015-09-04 13:26:21 -0700 | [diff] [blame] | 1295 | ScopedSuspendAll ssa(__FUNCTION__); |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 1296 | |
Mathieu Chartier | 31e8822 | 2016-10-14 18:43:19 -0700 | [diff] [blame] | 1297 | VariableSizedHandleScope hs(Thread::Current()); |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 1298 | std::string error_msg; |
Mathieu Chartier | 31e8822 | 2016-10-14 18:43:19 -0700 | [diff] [blame] | 1299 | std::unique_ptr<ClinitImageUpdate> update(ClinitImageUpdate::Create(hs, |
| 1300 | image_classes_.get(), |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 1301 | Thread::Current(), |
Mathieu Chartier | 31e8822 | 2016-10-14 18:43:19 -0700 | [diff] [blame] | 1302 | runtime->GetClassLinker())); |
Andreas Gampe | b0f370e | 2014-09-25 22:51:40 -0700 | [diff] [blame] | 1303 | |
| 1304 | // Do the marking. |
| 1305 | update->Walk(); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1306 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1307 | } |
| 1308 | |
Vladimir Marko | 07785bb | 2015-06-15 18:52:54 +0100 | [diff] [blame] | 1309 | bool CompilerDriver::CanAssumeClassIsLoaded(mirror::Class* klass) { |
| 1310 | Runtime* runtime = Runtime::Current(); |
| 1311 | if (!runtime->IsAotCompiler()) { |
Calin Juravle | ffc8707 | 2016-04-20 14:22:09 +0100 | [diff] [blame] | 1312 | DCHECK(runtime->UseJitCompilation()); |
Vladimir Marko | 07785bb | 2015-06-15 18:52:54 +0100 | [diff] [blame] | 1313 | // Having the klass reference here implies that the klass is already loaded. |
| 1314 | return true; |
| 1315 | } |
Vladimir Marko | aad75c6 | 2016-10-03 08:46:48 +0000 | [diff] [blame] | 1316 | if (!GetCompilerOptions().IsBootImage()) { |
Vladimir Marko | 07785bb | 2015-06-15 18:52:54 +0100 | [diff] [blame] | 1317 | // Assume loaded only if klass is in the boot image. App classes cannot be assumed |
| 1318 | // loaded because we don't even know what class loader will be used to load them. |
| 1319 | bool class_in_image = runtime->GetHeap()->FindSpaceFromObject(klass, false)->IsImageSpace(); |
| 1320 | return class_in_image; |
| 1321 | } |
| 1322 | std::string temp; |
| 1323 | const char* descriptor = klass->GetDescriptor(&temp); |
| 1324 | return IsImageClass(descriptor); |
| 1325 | } |
| 1326 | |
Vladimir Marko | 492a7fa | 2016-06-01 18:38:43 +0100 | [diff] [blame] | 1327 | void CompilerDriver::MarkForDexToDexCompilation(Thread* self, const MethodReference& method_ref) { |
| 1328 | MutexLock lock(self, dex_to_dex_references_lock_); |
| 1329 | // Since we're compiling one dex file at a time, we need to look for the |
| 1330 | // current dex file entry only at the end of dex_to_dex_references_. |
| 1331 | if (dex_to_dex_references_.empty() || |
| 1332 | &dex_to_dex_references_.back().GetDexFile() != method_ref.dex_file) { |
| 1333 | dex_to_dex_references_.emplace_back(*method_ref.dex_file); |
| 1334 | } |
| 1335 | dex_to_dex_references_.back().GetMethodIndexes().SetBit(method_ref.dex_method_index); |
| 1336 | } |
| 1337 | |
Vladimir Marko | 3cd50df | 2016-04-13 19:29:26 +0100 | [diff] [blame] | 1338 | bool CompilerDriver::CanAccessTypeWithoutChecks(uint32_t referrer_idx, |
| 1339 | Handle<mirror::DexCache> dex_cache, |
| 1340 | uint32_t type_idx) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1341 | // Get type from dex cache assuming it was populated by the verifier |
| 1342 | mirror::Class* resolved_class = dex_cache->GetResolvedType(type_idx); |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 1343 | if (resolved_class == nullptr) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1344 | stats_->TypeNeedsAccessCheck(); |
| 1345 | return false; // Unknown class needs access checks. |
| 1346 | } |
Vladimir Marko | 3cd50df | 2016-04-13 19:29:26 +0100 | [diff] [blame] | 1347 | const DexFile::MethodId& method_id = dex_cache->GetDexFile()->GetMethodId(referrer_idx); |
David Brazdil | 38f64d3 | 2016-01-18 17:13:41 +0000 | [diff] [blame] | 1348 | bool is_accessible = resolved_class->IsPublic(); // Public classes are always accessible. |
| 1349 | if (!is_accessible) { |
| 1350 | mirror::Class* referrer_class = dex_cache->GetResolvedType(method_id.class_idx_); |
| 1351 | if (referrer_class == nullptr) { |
| 1352 | stats_->TypeNeedsAccessCheck(); |
| 1353 | return false; // Incomplete referrer knowledge needs access check. |
| 1354 | } |
| 1355 | // Perform access check, will return true if access is ok or false if we're going to have to |
| 1356 | // check this at runtime (for example for class loaders). |
| 1357 | is_accessible = referrer_class->CanAccess(resolved_class); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1358 | } |
David Brazdil | 38f64d3 | 2016-01-18 17:13:41 +0000 | [diff] [blame] | 1359 | if (is_accessible) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1360 | stats_->TypeDoesntNeedAccessCheck(); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1361 | } else { |
| 1362 | stats_->TypeNeedsAccessCheck(); |
| 1363 | } |
David Brazdil | 38f64d3 | 2016-01-18 17:13:41 +0000 | [diff] [blame] | 1364 | return is_accessible; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1365 | } |
| 1366 | |
| 1367 | bool CompilerDriver::CanAccessInstantiableTypeWithoutChecks(uint32_t referrer_idx, |
Vladimir Marko | 3cd50df | 2016-04-13 19:29:26 +0100 | [diff] [blame] | 1368 | Handle<mirror::DexCache> dex_cache, |
Mingyao Yang | fb8464a | 2015-11-02 10:56:59 -0800 | [diff] [blame] | 1369 | uint32_t type_idx, |
| 1370 | bool* finalizable) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1371 | // Get type from dex cache assuming it was populated by the verifier. |
| 1372 | mirror::Class* resolved_class = dex_cache->GetResolvedType(type_idx); |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 1373 | if (resolved_class == nullptr) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1374 | stats_->TypeNeedsAccessCheck(); |
Mingyao Yang | fb8464a | 2015-11-02 10:56:59 -0800 | [diff] [blame] | 1375 | // Be conservative. |
| 1376 | *finalizable = true; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1377 | return false; // Unknown class needs access checks. |
| 1378 | } |
Mingyao Yang | fb8464a | 2015-11-02 10:56:59 -0800 | [diff] [blame] | 1379 | *finalizable = resolved_class->IsFinalizable(); |
Vladimir Marko | 3cd50df | 2016-04-13 19:29:26 +0100 | [diff] [blame] | 1380 | const DexFile::MethodId& method_id = dex_cache->GetDexFile()->GetMethodId(referrer_idx); |
David Brazdil | 38f64d3 | 2016-01-18 17:13:41 +0000 | [diff] [blame] | 1381 | bool is_accessible = resolved_class->IsPublic(); // Public classes are always accessible. |
| 1382 | if (!is_accessible) { |
| 1383 | mirror::Class* referrer_class = dex_cache->GetResolvedType(method_id.class_idx_); |
| 1384 | if (referrer_class == nullptr) { |
| 1385 | stats_->TypeNeedsAccessCheck(); |
| 1386 | return false; // Incomplete referrer knowledge needs access check. |
| 1387 | } |
| 1388 | // Perform access and instantiable checks, will return true if access is ok or false if we're |
| 1389 | // going to have to check this at runtime (for example for class loaders). |
| 1390 | is_accessible = referrer_class->CanAccess(resolved_class); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1391 | } |
David Brazdil | 38f64d3 | 2016-01-18 17:13:41 +0000 | [diff] [blame] | 1392 | bool result = is_accessible && resolved_class->IsInstantiable(); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1393 | if (result) { |
| 1394 | stats_->TypeDoesntNeedAccessCheck(); |
| 1395 | } else { |
| 1396 | stats_->TypeNeedsAccessCheck(); |
| 1397 | } |
| 1398 | return result; |
| 1399 | } |
| 1400 | |
Vladimir Marko | be0e546 | 2014-02-26 11:24:15 +0000 | [diff] [blame] | 1401 | void CompilerDriver::ProcessedInstanceField(bool resolved) { |
| 1402 | if (!resolved) { |
| 1403 | stats_->UnresolvedInstanceField(); |
| 1404 | } else { |
| 1405 | stats_->ResolvedInstanceField(); |
| 1406 | } |
| 1407 | } |
| 1408 | |
| 1409 | void CompilerDriver::ProcessedStaticField(bool resolved, bool local) { |
| 1410 | if (!resolved) { |
| 1411 | stats_->UnresolvedStaticField(); |
| 1412 | } else if (local) { |
| 1413 | stats_->ResolvedLocalStaticField(); |
| 1414 | } else { |
| 1415 | stats_->ResolvedStaticField(); |
| 1416 | } |
| 1417 | } |
| 1418 | |
Mathieu Chartier | c785344 | 2015-03-27 14:35:38 -0700 | [diff] [blame] | 1419 | ArtField* CompilerDriver::ComputeInstanceFieldInfo(uint32_t field_idx, |
| 1420 | const DexCompilationUnit* mUnit, bool is_put, |
| 1421 | const ScopedObjectAccess& soa) { |
Vladimir Marko | be0e546 | 2014-02-26 11:24:15 +0000 | [diff] [blame] | 1422 | // Try to resolve the field and compiling method's class. |
Mathieu Chartier | c785344 | 2015-03-27 14:35:38 -0700 | [diff] [blame] | 1423 | ArtField* resolved_field; |
Vladimir Marko | be0e546 | 2014-02-26 11:24:15 +0000 | [diff] [blame] | 1424 | mirror::Class* referrer_class; |
Mathieu Chartier | 736b560 | 2015-09-02 14:54:11 -0700 | [diff] [blame] | 1425 | Handle<mirror::DexCache> dex_cache(mUnit->GetDexCache()); |
Vladimir Marko | be0e546 | 2014-02-26 11:24:15 +0000 | [diff] [blame] | 1426 | { |
Mathieu Chartier | 736b560 | 2015-09-02 14:54:11 -0700 | [diff] [blame] | 1427 | StackHandleScope<1> hs(soa.Self()); |
Mathieu Chartier | eb8167a | 2014-05-07 15:43:14 -0700 | [diff] [blame] | 1428 | Handle<mirror::ClassLoader> class_loader_handle( |
Mathieu Chartier | 0795f23 | 2016-09-27 18:43:30 -0700 | [diff] [blame] | 1429 | hs.NewHandle(soa.Decode<mirror::ClassLoader>(mUnit->GetClassLoader()))); |
Mathieu Chartier | 736b560 | 2015-09-02 14:54:11 -0700 | [diff] [blame] | 1430 | resolved_field = ResolveField(soa, dex_cache, class_loader_handle, mUnit, field_idx, false); |
Mathieu Chartier | c785344 | 2015-03-27 14:35:38 -0700 | [diff] [blame] | 1431 | referrer_class = resolved_field != nullptr |
Mathieu Chartier | 736b560 | 2015-09-02 14:54:11 -0700 | [diff] [blame] | 1432 | ? ResolveCompilingMethodsClass(soa, dex_cache, class_loader_handle, mUnit) : nullptr; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1433 | } |
Nicolas Geoffray | e503832 | 2014-07-04 09:41:32 +0100 | [diff] [blame] | 1434 | bool can_link = false; |
Vladimir Marko | be0e546 | 2014-02-26 11:24:15 +0000 | [diff] [blame] | 1435 | if (resolved_field != nullptr && referrer_class != nullptr) { |
Vladimir Marko | be0e546 | 2014-02-26 11:24:15 +0000 | [diff] [blame] | 1436 | std::pair<bool, bool> fast_path = IsFastInstanceField( |
Mathieu Chartier | 736b560 | 2015-09-02 14:54:11 -0700 | [diff] [blame] | 1437 | dex_cache.Get(), referrer_class, resolved_field, field_idx); |
Nicolas Geoffray | e503832 | 2014-07-04 09:41:32 +0100 | [diff] [blame] | 1438 | can_link = is_put ? fast_path.second : fast_path.first; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1439 | } |
Nicolas Geoffray | e503832 | 2014-07-04 09:41:32 +0100 | [diff] [blame] | 1440 | ProcessedInstanceField(can_link); |
| 1441 | return can_link ? resolved_field : nullptr; |
| 1442 | } |
| 1443 | |
| 1444 | bool CompilerDriver::ComputeInstanceFieldInfo(uint32_t field_idx, const DexCompilationUnit* mUnit, |
| 1445 | bool is_put, MemberOffset* field_offset, |
| 1446 | bool* is_volatile) { |
| 1447 | ScopedObjectAccess soa(Thread::Current()); |
Mathieu Chartier | c785344 | 2015-03-27 14:35:38 -0700 | [diff] [blame] | 1448 | ArtField* resolved_field = ComputeInstanceFieldInfo(field_idx, mUnit, is_put, soa); |
Nicolas Geoffray | e503832 | 2014-07-04 09:41:32 +0100 | [diff] [blame] | 1449 | |
Mathieu Chartier | c785344 | 2015-03-27 14:35:38 -0700 | [diff] [blame] | 1450 | if (resolved_field == nullptr) { |
Vladimir Marko | be0e546 | 2014-02-26 11:24:15 +0000 | [diff] [blame] | 1451 | // Conservative defaults. |
| 1452 | *is_volatile = true; |
| 1453 | *field_offset = MemberOffset(static_cast<size_t>(-1)); |
Nicolas Geoffray | e503832 | 2014-07-04 09:41:32 +0100 | [diff] [blame] | 1454 | return false; |
| 1455 | } else { |
| 1456 | *is_volatile = resolved_field->IsVolatile(); |
| 1457 | *field_offset = resolved_field->GetOffset(); |
| 1458 | return true; |
Vladimir Marko | be0e546 | 2014-02-26 11:24:15 +0000 | [diff] [blame] | 1459 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1460 | } |
| 1461 | |
Nicolas Geoffray | 5e4e11e | 2016-09-22 13:17:41 +0100 | [diff] [blame] | 1462 | void CompilerDriver::GetCodeAndMethodForDirectCall(const mirror::Class* referrer_class, |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 1463 | ArtMethod* method, |
Ian Rogers | 65ec92c | 2013-09-06 10:49:58 -0700 | [diff] [blame] | 1464 | uintptr_t* direct_code, |
| 1465 | uintptr_t* direct_method) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1466 | // For direct and static methods compute possible direct_code and direct_method values, ie |
| 1467 | // an address for the Method* being invoked and an address of the code for that Method*. |
| 1468 | // For interface calls compute a value for direct_method that is the interface method being |
| 1469 | // invoked, so this can be passed to the out-of-line runtime support code. |
Ian Rogers | 65ec92c | 2013-09-06 10:49:58 -0700 | [diff] [blame] | 1470 | *direct_code = 0; |
| 1471 | *direct_method = 0; |
Mathieu Chartier | e5f13e5 | 2015-02-24 09:37:21 -0800 | [diff] [blame] | 1472 | Runtime* const runtime = Runtime::Current(); |
| 1473 | gc::Heap* const heap = runtime->GetHeap(); |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 1474 | auto* cl = runtime->GetClassLinker(); |
Igor Murashkin | d6dee67 | 2014-10-16 18:36:16 -0700 | [diff] [blame] | 1475 | bool use_dex_cache = GetCompilerOptions().GetCompilePic(); // Off by default |
Mathieu Chartier | e5f13e5 | 2015-02-24 09:37:21 -0800 | [diff] [blame] | 1476 | const bool compiling_boot = heap->IsCompilingBoot(); |
Alex Light | a59dd80 | 2014-07-02 16:28:08 -0700 | [diff] [blame] | 1477 | // TODO This is somewhat hacky. We should refactor all of this invoke codepath. |
| 1478 | const bool force_relocations = (compiling_boot || |
| 1479 | GetCompilerOptions().GetIncludePatchInformation()); |
Elliott Hughes | 956af0f | 2014-12-11 14:34:28 -0800 | [diff] [blame] | 1480 | // TODO: support patching on all architectures. |
| 1481 | use_dex_cache = use_dex_cache || (force_relocations && !support_boot_image_fixup_); |
Mathieu Chartier | e5f13e5 | 2015-02-24 09:37:21 -0800 | [diff] [blame] | 1482 | mirror::Class* declaring_class = method->GetDeclaringClass(); |
| 1483 | bool method_code_in_boot = declaring_class->GetClassLoader() == nullptr; |
Ian Rogers | 83883d7 | 2013-10-21 21:07:24 -0700 | [diff] [blame] | 1484 | if (!use_dex_cache) { |
| 1485 | if (!method_code_in_boot) { |
| 1486 | use_dex_cache = true; |
Nicolas Geoffray | 5e4e11e | 2016-09-22 13:17:41 +0100 | [diff] [blame] | 1487 | } else if (method->IsStatic() && |
| 1488 | declaring_class != referrer_class && |
| 1489 | !declaring_class->IsInitialized()) { |
| 1490 | // Ensure we run the clinit trampoline unless we are invoking a static method in the same |
| 1491 | // class. |
| 1492 | use_dex_cache = true; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1493 | } |
Ian Rogers | 83883d7 | 2013-10-21 21:07:24 -0700 | [diff] [blame] | 1494 | } |
Calin Juravle | ffc8707 | 2016-04-20 14:22:09 +0100 | [diff] [blame] | 1495 | if (runtime->UseJitCompilation()) { |
Mathieu Chartier | 28a3588 | 2015-02-26 18:28:07 -0800 | [diff] [blame] | 1496 | // If we are the JIT, then don't allow a direct call to the interpreter bridge since this will |
| 1497 | // never be updated even after we compile the method. |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 1498 | if (cl->IsQuickToInterpreterBridge( |
Mathieu Chartier | 28a3588 | 2015-02-26 18:28:07 -0800 | [diff] [blame] | 1499 | reinterpret_cast<const void*>(compiler_->GetEntryPointOf(method)))) { |
| 1500 | use_dex_cache = true; |
| 1501 | } |
| 1502 | } |
Nicolas Geoffray | 5e4e11e | 2016-09-22 13:17:41 +0100 | [diff] [blame] | 1503 | |
Alex Light | a59dd80 | 2014-07-02 16:28:08 -0700 | [diff] [blame] | 1504 | if (!use_dex_cache && force_relocations) { |
Jeff Hao | a0acc2d | 2015-01-27 11:22:04 -0800 | [diff] [blame] | 1505 | bool is_in_image; |
Vladimir Marko | aad75c6 | 2016-10-03 08:46:48 +0000 | [diff] [blame] | 1506 | if (GetCompilerOptions().IsBootImage()) { |
Jeff Hao | a0acc2d | 2015-01-27 11:22:04 -0800 | [diff] [blame] | 1507 | is_in_image = IsImageClass(method->GetDeclaringClassDescriptor()); |
| 1508 | } else { |
| 1509 | is_in_image = instruction_set_ != kX86 && instruction_set_ != kX86_64 && |
Vladimir Marko | c08ab29 | 2015-06-22 14:35:42 +0100 | [diff] [blame] | 1510 | heap->FindSpaceFromObject(method->GetDeclaringClass(), false)->IsImageSpace() && |
| 1511 | !cl->IsQuickToInterpreterBridge( |
| 1512 | reinterpret_cast<const void*>(compiler_->GetEntryPointOf(method))); |
Jeff Hao | a0acc2d | 2015-01-27 11:22:04 -0800 | [diff] [blame] | 1513 | } |
| 1514 | if (!is_in_image) { |
Ian Rogers | 83883d7 | 2013-10-21 21:07:24 -0700 | [diff] [blame] | 1515 | // We can only branch directly to Methods that are resolved in the DexCache. |
| 1516 | // Otherwise we won't invoke the resolution trampoline. |
| 1517 | use_dex_cache = true; |
| 1518 | } |
| 1519 | } |
Nicolas Geoffray | 5e4e11e | 2016-09-22 13:17:41 +0100 | [diff] [blame] | 1520 | |
| 1521 | if (!use_dex_cache) { |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 1522 | bool method_in_image = false; |
Jeff Hao | dcdc85b | 2015-12-04 14:06:18 -0800 | [diff] [blame] | 1523 | const std::vector<gc::space::ImageSpace*> image_spaces = heap->GetBootImageSpaces(); |
| 1524 | for (gc::space::ImageSpace* image_space : image_spaces) { |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 1525 | const auto& method_section = image_space->GetImageHeader().GetMethodsSection(); |
Jeff Hao | dcdc85b | 2015-12-04 14:06:18 -0800 | [diff] [blame] | 1526 | if (method_section.Contains(reinterpret_cast<uint8_t*>(method) - image_space->Begin())) { |
| 1527 | method_in_image = true; |
| 1528 | break; |
| 1529 | } |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 1530 | } |
Calin Juravle | ffc8707 | 2016-04-20 14:22:09 +0100 | [diff] [blame] | 1531 | if (method_in_image || compiling_boot || runtime->UseJitCompilation()) { |
Alex Light | a59dd80 | 2014-07-02 16:28:08 -0700 | [diff] [blame] | 1532 | // We know we must be able to get to the method in the image, so use that pointer. |
Mathieu Chartier | 6ced409 | 2015-02-27 16:10:48 -0800 | [diff] [blame] | 1533 | // In the case where we are the JIT, we can always use direct pointers since we know where |
| 1534 | // the method and its code are / will be. We don't sharpen to interpreter bridge since we |
| 1535 | // check IsQuickToInterpreterBridge above. |
Vladimir Marko | a51a0b0 | 2014-05-21 12:08:39 +0100 | [diff] [blame] | 1536 | CHECK(!method->IsAbstract()); |
Alex Light | a59dd80 | 2014-07-02 16:28:08 -0700 | [diff] [blame] | 1537 | *direct_method = force_relocations ? -1 : reinterpret_cast<uintptr_t>(method); |
| 1538 | *direct_code = force_relocations ? -1 : compiler_->GetEntryPointOf(method); |
Nicolas Geoffray | 5e4e11e | 2016-09-22 13:17:41 +0100 | [diff] [blame] | 1539 | } else { |
Vladimir Marko | a51a0b0 | 2014-05-21 12:08:39 +0100 | [diff] [blame] | 1540 | // Set the code and rely on the dex cache for the method. |
Nicolas Geoffray | 5e4e11e | 2016-09-22 13:17:41 +0100 | [diff] [blame] | 1541 | *direct_code = force_relocations ? -1 : compiler_->GetEntryPointOf(method); |
Ian Rogers | 83883d7 | 2013-10-21 21:07:24 -0700 | [diff] [blame] | 1542 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1543 | } |
| 1544 | } |
| 1545 | |
Vladimir Marko | 2730db0 | 2014-01-27 11:15:17 +0000 | [diff] [blame] | 1546 | const VerifiedMethod* CompilerDriver::GetVerifiedMethod(const DexFile* dex_file, |
| 1547 | uint32_t method_idx) const { |
| 1548 | MethodReference ref(dex_file, method_idx); |
| 1549 | return verification_results_->GetVerifiedMethod(ref); |
| 1550 | } |
| 1551 | |
| 1552 | bool CompilerDriver::IsSafeCast(const DexCompilationUnit* mUnit, uint32_t dex_pc) { |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 1553 | if (!compiler_options_->IsVerificationEnabled()) { |
| 1554 | // If we didn't verify, every cast has to be treated as non-safe. |
| 1555 | return false; |
| 1556 | } |
Vladimir Marko | 2730db0 | 2014-01-27 11:15:17 +0000 | [diff] [blame] | 1557 | DCHECK(mUnit->GetVerifiedMethod() != nullptr); |
| 1558 | bool result = mUnit->GetVerifiedMethod()->IsSafeCast(dex_pc); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1559 | if (result) { |
| 1560 | stats_->SafeCast(); |
| 1561 | } else { |
| 1562 | stats_->NotASafeCast(); |
| 1563 | } |
| 1564 | return result; |
| 1565 | } |
| 1566 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1567 | class CompilationVisitor { |
| 1568 | public: |
| 1569 | virtual ~CompilationVisitor() {} |
| 1570 | virtual void Visit(size_t index) = 0; |
| 1571 | }; |
| 1572 | |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1573 | class ParallelCompilationManager { |
| 1574 | public: |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1575 | ParallelCompilationManager(ClassLinker* class_linker, |
| 1576 | jobject class_loader, |
| 1577 | CompilerDriver* compiler, |
| 1578 | const DexFile* dex_file, |
Andreas Gampe | de7b436 | 2014-07-28 18:38:57 -0700 | [diff] [blame] | 1579 | const std::vector<const DexFile*>& dex_files, |
Ian Rogers | 3d50407 | 2014-03-01 09:16:49 -0800 | [diff] [blame] | 1580 | ThreadPool* thread_pool) |
Mathieu Chartier | 0b3eb39 | 2013-08-23 14:56:59 -0700 | [diff] [blame] | 1581 | : index_(0), |
| 1582 | class_linker_(class_linker), |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1583 | class_loader_(class_loader), |
| 1584 | compiler_(compiler), |
| 1585 | dex_file_(dex_file), |
Andreas Gampe | de7b436 | 2014-07-28 18:38:57 -0700 | [diff] [blame] | 1586 | dex_files_(dex_files), |
Ian Rogers | 3d50407 | 2014-03-01 09:16:49 -0800 | [diff] [blame] | 1587 | thread_pool_(thread_pool) {} |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1588 | |
| 1589 | ClassLinker* GetClassLinker() const { |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 1590 | CHECK(class_linker_ != nullptr); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1591 | return class_linker_; |
| 1592 | } |
| 1593 | |
| 1594 | jobject GetClassLoader() const { |
| 1595 | return class_loader_; |
| 1596 | } |
| 1597 | |
| 1598 | CompilerDriver* GetCompiler() const { |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 1599 | CHECK(compiler_ != nullptr); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1600 | return compiler_; |
| 1601 | } |
| 1602 | |
| 1603 | const DexFile* GetDexFile() const { |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 1604 | CHECK(dex_file_ != nullptr); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1605 | return dex_file_; |
| 1606 | } |
| 1607 | |
Andreas Gampe | de7b436 | 2014-07-28 18:38:57 -0700 | [diff] [blame] | 1608 | const std::vector<const DexFile*>& GetDexFiles() const { |
| 1609 | return dex_files_; |
| 1610 | } |
| 1611 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1612 | void ForAll(size_t begin, size_t end, CompilationVisitor* visitor, size_t work_units) |
| 1613 | REQUIRES(!*Locks::mutator_lock_) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1614 | Thread* self = Thread::Current(); |
| 1615 | self->AssertNoPendingException(); |
| 1616 | CHECK_GT(work_units, 0U); |
| 1617 | |
Ian Rogers | 3e5cf30 | 2014-05-20 16:40:37 -0700 | [diff] [blame] | 1618 | index_.StoreRelaxed(begin); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1619 | for (size_t i = 0; i < work_units; ++i) { |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1620 | thread_pool_->AddTask(self, new ForAllClosure(this, end, visitor)); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1621 | } |
| 1622 | thread_pool_->StartWorkers(self); |
| 1623 | |
| 1624 | // Ensure we're suspended while we're blocked waiting for the other threads to finish (worker |
| 1625 | // thread destructor's called below perform join). |
| 1626 | CHECK_NE(self->GetState(), kRunnable); |
| 1627 | |
| 1628 | // Wait for all the worker threads to finish. |
| 1629 | thread_pool_->Wait(self, true, false); |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 1630 | |
| 1631 | // And stop the workers accepting jobs. |
| 1632 | thread_pool_->StopWorkers(self); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1633 | } |
| 1634 | |
Mathieu Chartier | 0b3eb39 | 2013-08-23 14:56:59 -0700 | [diff] [blame] | 1635 | size_t NextIndex() { |
Ian Rogers | 3e5cf30 | 2014-05-20 16:40:37 -0700 | [diff] [blame] | 1636 | return index_.FetchAndAddSequentiallyConsistent(1); |
Mathieu Chartier | 0b3eb39 | 2013-08-23 14:56:59 -0700 | [diff] [blame] | 1637 | } |
| 1638 | |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1639 | private: |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1640 | class ForAllClosure : public Task { |
| 1641 | public: |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1642 | ForAllClosure(ParallelCompilationManager* manager, size_t end, CompilationVisitor* visitor) |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1643 | : manager_(manager), |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1644 | end_(end), |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1645 | visitor_(visitor) {} |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1646 | |
| 1647 | virtual void Run(Thread* self) { |
Mathieu Chartier | 0b3eb39 | 2013-08-23 14:56:59 -0700 | [diff] [blame] | 1648 | while (true) { |
| 1649 | const size_t index = manager_->NextIndex(); |
| 1650 | if (UNLIKELY(index >= end_)) { |
| 1651 | break; |
| 1652 | } |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1653 | visitor_->Visit(index); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1654 | self->AssertNoPendingException(); |
| 1655 | } |
| 1656 | } |
| 1657 | |
| 1658 | virtual void Finalize() { |
| 1659 | delete this; |
| 1660 | } |
Brian Carlstrom | 0cd7ec2 | 2013-07-17 23:40:20 -0700 | [diff] [blame] | 1661 | |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1662 | private: |
Mathieu Chartier | 0b3eb39 | 2013-08-23 14:56:59 -0700 | [diff] [blame] | 1663 | ParallelCompilationManager* const manager_; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1664 | const size_t end_; |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1665 | CompilationVisitor* const visitor_; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1666 | }; |
| 1667 | |
Mathieu Chartier | 0b3eb39 | 2013-08-23 14:56:59 -0700 | [diff] [blame] | 1668 | AtomicInteger index_; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1669 | ClassLinker* const class_linker_; |
| 1670 | const jobject class_loader_; |
| 1671 | CompilerDriver* const compiler_; |
| 1672 | const DexFile* const dex_file_; |
Andreas Gampe | de7b436 | 2014-07-28 18:38:57 -0700 | [diff] [blame] | 1673 | const std::vector<const DexFile*>& dex_files_; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1674 | ThreadPool* const thread_pool_; |
Mathieu Chartier | 0b3eb39 | 2013-08-23 14:56:59 -0700 | [diff] [blame] | 1675 | |
| 1676 | DISALLOW_COPY_AND_ASSIGN(ParallelCompilationManager); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1677 | }; |
| 1678 | |
Jeff Hao | 0e49b42 | 2013-11-08 12:16:56 -0800 | [diff] [blame] | 1679 | // A fast version of SkipClass above if the class pointer is available |
| 1680 | // that avoids the expensive FindInClassPath search. |
| 1681 | static bool SkipClass(jobject class_loader, const DexFile& dex_file, mirror::Class* klass) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 1682 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 1683 | DCHECK(klass != nullptr); |
Jeff Hao | 0e49b42 | 2013-11-08 12:16:56 -0800 | [diff] [blame] | 1684 | const DexFile& original_dex_file = *klass->GetDexCache()->GetDexFile(); |
| 1685 | if (&dex_file != &original_dex_file) { |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 1686 | if (class_loader == nullptr) { |
David Sehr | 709b070 | 2016-10-13 09:12:37 -0700 | [diff] [blame] | 1687 | LOG(WARNING) << "Skipping class " << klass->PrettyDescriptor() << " from " |
Jeff Hao | 0e49b42 | 2013-11-08 12:16:56 -0800 | [diff] [blame] | 1688 | << dex_file.GetLocation() << " previously found in " |
| 1689 | << original_dex_file.GetLocation(); |
| 1690 | } |
| 1691 | return true; |
| 1692 | } |
| 1693 | return false; |
| 1694 | } |
| 1695 | |
Mathieu Chartier | 70b6348 | 2014-06-27 17:19:04 -0700 | [diff] [blame] | 1696 | static void CheckAndClearResolveException(Thread* self) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 1697 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Mathieu Chartier | 70b6348 | 2014-06-27 17:19:04 -0700 | [diff] [blame] | 1698 | CHECK(self->IsExceptionPending()); |
Nicolas Geoffray | 14691c5 | 2015-03-05 10:40:17 +0000 | [diff] [blame] | 1699 | mirror::Throwable* exception = self->GetException(); |
Ian Rogers | 1ff3c98 | 2014-08-12 02:30:58 -0700 | [diff] [blame] | 1700 | std::string temp; |
| 1701 | const char* descriptor = exception->GetClass()->GetDescriptor(&temp); |
| 1702 | const char* expected_exceptions[] = { |
| 1703 | "Ljava/lang/IllegalAccessError;", |
| 1704 | "Ljava/lang/IncompatibleClassChangeError;", |
| 1705 | "Ljava/lang/InstantiationError;", |
Brian Carlstrom | 898fcb5 | 2014-08-25 23:07:30 -0700 | [diff] [blame] | 1706 | "Ljava/lang/LinkageError;", |
Ian Rogers | 1ff3c98 | 2014-08-12 02:30:58 -0700 | [diff] [blame] | 1707 | "Ljava/lang/NoClassDefFoundError;", |
| 1708 | "Ljava/lang/NoSuchFieldError;", |
| 1709 | "Ljava/lang/NoSuchMethodError;" |
| 1710 | }; |
| 1711 | bool found = false; |
| 1712 | for (size_t i = 0; (found == false) && (i < arraysize(expected_exceptions)); ++i) { |
| 1713 | if (strcmp(descriptor, expected_exceptions[i]) == 0) { |
| 1714 | found = true; |
| 1715 | } |
| 1716 | } |
| 1717 | if (!found) { |
Brian Carlstrom | 898fcb5 | 2014-08-25 23:07:30 -0700 | [diff] [blame] | 1718 | LOG(FATAL) << "Unexpected exception " << exception->Dump(); |
Mathieu Chartier | 70b6348 | 2014-06-27 17:19:04 -0700 | [diff] [blame] | 1719 | } |
| 1720 | self->ClearException(); |
| 1721 | } |
| 1722 | |
Mathieu Chartier | b5d3861 | 2016-04-07 10:52:52 -0700 | [diff] [blame] | 1723 | bool CompilerDriver::RequiresConstructorBarrier(const DexFile& dex_file, |
| 1724 | uint16_t class_def_idx) const { |
| 1725 | const DexFile::ClassDef& class_def = dex_file.GetClassDef(class_def_idx); |
| 1726 | const uint8_t* class_data = dex_file.GetClassData(class_def); |
| 1727 | if (class_data == nullptr) { |
| 1728 | // Empty class such as a marker interface. |
| 1729 | return false; |
| 1730 | } |
| 1731 | ClassDataItemIterator it(dex_file, class_data); |
| 1732 | while (it.HasNextStaticField()) { |
| 1733 | it.Next(); |
| 1734 | } |
| 1735 | // We require a constructor barrier if there are final instance fields. |
| 1736 | while (it.HasNextInstanceField()) { |
| 1737 | if (it.MemberIsFinal()) { |
| 1738 | return true; |
| 1739 | } |
| 1740 | it.Next(); |
| 1741 | } |
| 1742 | return false; |
| 1743 | } |
| 1744 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1745 | class ResolveClassFieldsAndMethodsVisitor : public CompilationVisitor { |
| 1746 | public: |
| 1747 | explicit ResolveClassFieldsAndMethodsVisitor(const ParallelCompilationManager* manager) |
| 1748 | : manager_(manager) {} |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1749 | |
Mathieu Chartier | e0671ce | 2015-07-28 17:23:28 -0700 | [diff] [blame] | 1750 | void Visit(size_t class_def_index) OVERRIDE REQUIRES(!Locks::mutator_lock_) { |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1751 | ATRACE_CALL(); |
| 1752 | Thread* const self = Thread::Current(); |
| 1753 | jobject jclass_loader = manager_->GetClassLoader(); |
| 1754 | const DexFile& dex_file = *manager_->GetDexFile(); |
| 1755 | ClassLinker* class_linker = manager_->GetClassLinker(); |
Ian Rogers | e6bb3b2 | 2013-08-19 21:51:45 -0700 | [diff] [blame] | 1756 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1757 | // If an instance field is final then we need to have a barrier on the return, static final |
| 1758 | // fields are assigned within the lock held for class initialization. Conservatively assume |
| 1759 | // constructor barriers are always required. |
| 1760 | bool requires_constructor_barrier = true; |
| 1761 | |
| 1762 | // Method and Field are the worst. We can't resolve without either |
| 1763 | // context from the code use (to disambiguate virtual vs direct |
| 1764 | // method and instance vs static field) or from class |
| 1765 | // definitions. While the compiler will resolve what it can as it |
| 1766 | // needs it, here we try to resolve fields and methods used in class |
| 1767 | // definitions, since many of them many never be referenced by |
| 1768 | // generated code. |
| 1769 | const DexFile::ClassDef& class_def = dex_file.GetClassDef(class_def_index); |
| 1770 | ScopedObjectAccess soa(self); |
| 1771 | StackHandleScope<2> hs(soa.Self()); |
| 1772 | Handle<mirror::ClassLoader> class_loader( |
Mathieu Chartier | 0795f23 | 2016-09-27 18:43:30 -0700 | [diff] [blame] | 1773 | hs.NewHandle(soa.Decode<mirror::ClassLoader>(jclass_loader))); |
Mathieu Chartier | 673ed3d | 2015-08-28 14:56:43 -0700 | [diff] [blame] | 1774 | Handle<mirror::DexCache> dex_cache(hs.NewHandle(class_linker->FindDexCache( |
| 1775 | soa.Self(), dex_file, false))); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1776 | // Resolve the class. |
| 1777 | mirror::Class* klass = class_linker->ResolveType(dex_file, class_def.class_idx_, dex_cache, |
| 1778 | class_loader); |
| 1779 | bool resolve_fields_and_methods; |
| 1780 | if (klass == nullptr) { |
| 1781 | // Class couldn't be resolved, for example, super-class is in a different dex file. Don't |
| 1782 | // attempt to resolve methods and fields when there is no declaring class. |
| 1783 | CheckAndClearResolveException(soa.Self()); |
| 1784 | resolve_fields_and_methods = false; |
| 1785 | } else { |
| 1786 | // We successfully resolved a class, should we skip it? |
| 1787 | if (SkipClass(jclass_loader, dex_file, klass)) { |
| 1788 | return; |
Ian Rogers | e6bb3b2 | 2013-08-19 21:51:45 -0700 | [diff] [blame] | 1789 | } |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1790 | // We want to resolve the methods and fields eagerly. |
| 1791 | resolve_fields_and_methods = true; |
Ian Rogers | 68b5685 | 2014-08-29 20:19:11 -0700 | [diff] [blame] | 1792 | } |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1793 | // Note the class_data pointer advances through the headers, |
| 1794 | // static fields, instance fields, direct methods, and virtual |
| 1795 | // methods. |
| 1796 | const uint8_t* class_data = dex_file.GetClassData(class_def); |
| 1797 | if (class_data == nullptr) { |
| 1798 | // Empty class such as a marker interface. |
| 1799 | requires_constructor_barrier = false; |
| 1800 | } else { |
| 1801 | ClassDataItemIterator it(dex_file, class_data); |
| 1802 | while (it.HasNextStaticField()) { |
| 1803 | if (resolve_fields_and_methods) { |
| 1804 | ArtField* field = class_linker->ResolveField(dex_file, it.GetMemberIndex(), |
| 1805 | dex_cache, class_loader, true); |
| 1806 | if (field == nullptr) { |
| 1807 | CheckAndClearResolveException(soa.Self()); |
| 1808 | } |
Ian Rogers | 68b5685 | 2014-08-29 20:19:11 -0700 | [diff] [blame] | 1809 | } |
| 1810 | it.Next(); |
| 1811 | } |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1812 | // We require a constructor barrier if there are final instance fields. |
| 1813 | requires_constructor_barrier = false; |
| 1814 | while (it.HasNextInstanceField()) { |
| 1815 | if (it.MemberIsFinal()) { |
| 1816 | requires_constructor_barrier = true; |
| 1817 | } |
| 1818 | if (resolve_fields_and_methods) { |
| 1819 | ArtField* field = class_linker->ResolveField(dex_file, it.GetMemberIndex(), |
| 1820 | dex_cache, class_loader, false); |
| 1821 | if (field == nullptr) { |
| 1822 | CheckAndClearResolveException(soa.Self()); |
| 1823 | } |
Ian Rogers | 68b5685 | 2014-08-29 20:19:11 -0700 | [diff] [blame] | 1824 | } |
| 1825 | it.Next(); |
| 1826 | } |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1827 | if (resolve_fields_and_methods) { |
| 1828 | while (it.HasNextDirectMethod()) { |
Andreas Gampe | 42ef8ab | 2015-12-03 17:27:32 -0800 | [diff] [blame] | 1829 | ArtMethod* method = class_linker->ResolveMethod<ClassLinker::kNoICCECheckForCache>( |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1830 | dex_file, it.GetMemberIndex(), dex_cache, class_loader, nullptr, |
| 1831 | it.GetMethodInvokeType(class_def)); |
| 1832 | if (method == nullptr) { |
| 1833 | CheckAndClearResolveException(soa.Self()); |
| 1834 | } |
| 1835 | it.Next(); |
| 1836 | } |
| 1837 | while (it.HasNextVirtualMethod()) { |
Andreas Gampe | 42ef8ab | 2015-12-03 17:27:32 -0800 | [diff] [blame] | 1838 | ArtMethod* method = class_linker->ResolveMethod<ClassLinker::kNoICCECheckForCache>( |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1839 | dex_file, it.GetMemberIndex(), dex_cache, class_loader, nullptr, |
| 1840 | it.GetMethodInvokeType(class_def)); |
| 1841 | if (method == nullptr) { |
| 1842 | CheckAndClearResolveException(soa.Self()); |
| 1843 | } |
| 1844 | it.Next(); |
| 1845 | } |
| 1846 | DCHECK(!it.HasNext()); |
| 1847 | } |
| 1848 | } |
Mathieu Chartier | c4ae916 | 2016-04-07 13:19:19 -0700 | [diff] [blame] | 1849 | manager_->GetCompiler()->SetRequiresConstructorBarrier(self, |
| 1850 | &dex_file, |
| 1851 | class_def_index, |
| 1852 | requires_constructor_barrier); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1853 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1854 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1855 | private: |
| 1856 | const ParallelCompilationManager* const manager_; |
| 1857 | }; |
| 1858 | |
| 1859 | class ResolveTypeVisitor : public CompilationVisitor { |
| 1860 | public: |
| 1861 | explicit ResolveTypeVisitor(const ParallelCompilationManager* manager) : manager_(manager) { |
| 1862 | } |
| 1863 | virtual void Visit(size_t type_idx) OVERRIDE REQUIRES(!Locks::mutator_lock_) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1864 | // Class derived values are more complicated, they require the linker and loader. |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1865 | ScopedObjectAccess soa(Thread::Current()); |
| 1866 | ClassLinker* class_linker = manager_->GetClassLinker(); |
| 1867 | const DexFile& dex_file = *manager_->GetDexFile(); |
| 1868 | StackHandleScope<2> hs(soa.Self()); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1869 | Handle<mirror::ClassLoader> class_loader( |
Mathieu Chartier | 0795f23 | 2016-09-27 18:43:30 -0700 | [diff] [blame] | 1870 | hs.NewHandle(soa.Decode<mirror::ClassLoader>(manager_->GetClassLoader()))); |
Mathieu Chartier | d57d454 | 2015-10-14 10:55:30 -0700 | [diff] [blame] | 1871 | Handle<mirror::DexCache> dex_cache(hs.NewHandle(class_linker->RegisterDexFile( |
| 1872 | dex_file, |
Mathieu Chartier | f284d44 | 2016-06-02 11:48:30 -0700 | [diff] [blame] | 1873 | class_loader.Get()))); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1874 | mirror::Class* klass = class_linker->ResolveType(dex_file, type_idx, dex_cache, class_loader); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1875 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1876 | if (klass == nullptr) { |
| 1877 | soa.Self()->AssertPendingException(); |
| 1878 | mirror::Throwable* exception = soa.Self()->GetException(); |
| 1879 | VLOG(compiler) << "Exception during type resolution: " << exception->Dump(); |
| 1880 | if (exception->GetClass()->DescriptorEquals("Ljava/lang/OutOfMemoryError;")) { |
| 1881 | // There's little point continuing compilation if the heap is exhausted. |
| 1882 | LOG(FATAL) << "Out of memory during type resolution for compilation"; |
| 1883 | } |
| 1884 | soa.Self()->ClearException(); |
Ian Rogers | a436fde | 2013-08-27 23:34:06 -0700 | [diff] [blame] | 1885 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1886 | } |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1887 | |
| 1888 | private: |
| 1889 | const ParallelCompilationManager* const manager_; |
| 1890 | }; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1891 | |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 1892 | void CompilerDriver::ResolveDexFile(jobject class_loader, |
| 1893 | const DexFile& dex_file, |
Andreas Gampe | de7b436 | 2014-07-28 18:38:57 -0700 | [diff] [blame] | 1894 | const std::vector<const DexFile*>& dex_files, |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 1895 | ThreadPool* thread_pool, |
| 1896 | size_t thread_count, |
| 1897 | TimingLogger* timings) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1898 | ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); |
| 1899 | |
| 1900 | // TODO: we could resolve strings here, although the string table is largely filled with class |
| 1901 | // and method names. |
| 1902 | |
Andreas Gampe | de7b436 | 2014-07-28 18:38:57 -0700 | [diff] [blame] | 1903 | ParallelCompilationManager context(class_linker, class_loader, this, &dex_file, dex_files, |
| 1904 | thread_pool); |
Vladimir Marko | aad75c6 | 2016-10-03 08:46:48 +0000 | [diff] [blame] | 1905 | if (GetCompilerOptions().IsBootImage()) { |
Ian Rogers | e6bb3b2 | 2013-08-19 21:51:45 -0700 | [diff] [blame] | 1906 | // For images we resolve all types, such as array, whereas for applications just those with |
| 1907 | // classdefs are resolved by ResolveClassFieldsAndMethods. |
Mathieu Chartier | f5997b4 | 2014-06-20 10:37:54 -0700 | [diff] [blame] | 1908 | TimingLogger::ScopedTiming t("Resolve Types", timings); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1909 | ResolveTypeVisitor visitor(&context); |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 1910 | context.ForAll(0, dex_file.NumTypeIds(), &visitor, thread_count); |
Ian Rogers | e6bb3b2 | 2013-08-19 21:51:45 -0700 | [diff] [blame] | 1911 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1912 | |
Mathieu Chartier | f5997b4 | 2014-06-20 10:37:54 -0700 | [diff] [blame] | 1913 | TimingLogger::ScopedTiming t("Resolve MethodsAndFields", timings); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1914 | ResolveClassFieldsAndMethodsVisitor visitor(&context); |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 1915 | context.ForAll(0, dex_file.NumClassDefs(), &visitor, thread_count); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1916 | } |
| 1917 | |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 1918 | void CompilerDriver::SetVerified(jobject class_loader, |
| 1919 | const std::vector<const DexFile*>& dex_files, |
| 1920 | TimingLogger* timings) { |
| 1921 | // This can be run in parallel. |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1922 | for (const DexFile* dex_file : dex_files) { |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 1923 | CHECK(dex_file != nullptr); |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 1924 | SetVerifiedDexFile(class_loader, |
| 1925 | *dex_file, |
| 1926 | dex_files, |
| 1927 | parallel_thread_pool_.get(), |
| 1928 | parallel_thread_count_, |
| 1929 | timings); |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 1930 | } |
| 1931 | } |
| 1932 | |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 1933 | void CompilerDriver::Verify(jobject class_loader, |
| 1934 | const std::vector<const DexFile*>& dex_files, |
| 1935 | TimingLogger* timings) { |
| 1936 | // Note: verification should not be pulling in classes anymore when compiling the boot image, |
| 1937 | // as all should have been resolved before. As such, doing this in parallel should still |
| 1938 | // be deterministic. |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1939 | for (const DexFile* dex_file : dex_files) { |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 1940 | CHECK(dex_file != nullptr); |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 1941 | VerifyDexFile(class_loader, |
| 1942 | *dex_file, |
| 1943 | dex_files, |
| 1944 | parallel_thread_pool_.get(), |
| 1945 | parallel_thread_count_, |
| 1946 | timings); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1947 | } |
| 1948 | } |
| 1949 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1950 | class VerifyClassVisitor : public CompilationVisitor { |
| 1951 | public: |
Andreas Gampe | 5fd66d0 | 2016-09-12 20:22:19 -0700 | [diff] [blame] | 1952 | VerifyClassVisitor(const ParallelCompilationManager* manager, verifier::HardFailLogMode log_level) |
Andreas Gampe | 7fe3023 | 2016-03-25 16:58:00 -0700 | [diff] [blame] | 1953 | : manager_(manager), log_level_(log_level) {} |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1954 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1955 | virtual void Visit(size_t class_def_index) REQUIRES(!Locks::mutator_lock_) OVERRIDE { |
| 1956 | ATRACE_CALL(); |
| 1957 | ScopedObjectAccess soa(Thread::Current()); |
| 1958 | const DexFile& dex_file = *manager_->GetDexFile(); |
Mathieu Chartier | a807780 | 2016-03-16 19:08:31 -0700 | [diff] [blame] | 1959 | if (!manager_->GetCompiler()->ShouldVerifyClassBasedOnProfile(dex_file, class_def_index)) { |
| 1960 | // Skip verification since the class is not in the profile. |
| 1961 | return; |
| 1962 | } |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1963 | const DexFile::ClassDef& class_def = dex_file.GetClassDef(class_def_index); |
| 1964 | const char* descriptor = dex_file.GetClassDescriptor(class_def); |
| 1965 | ClassLinker* class_linker = manager_->GetClassLinker(); |
| 1966 | jobject jclass_loader = manager_->GetClassLoader(); |
| 1967 | StackHandleScope<3> hs(soa.Self()); |
| 1968 | Handle<mirror::ClassLoader> class_loader( |
Mathieu Chartier | 0795f23 | 2016-09-27 18:43:30 -0700 | [diff] [blame] | 1969 | hs.NewHandle(soa.Decode<mirror::ClassLoader>(jclass_loader))); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1970 | Handle<mirror::Class> klass( |
| 1971 | hs.NewHandle(class_linker->FindClass(soa.Self(), descriptor, class_loader))); |
Nicolas Geoffray | 0802518 | 2016-10-25 17:20:18 +0100 | [diff] [blame] | 1972 | verifier::MethodVerifier::FailureKind failure_kind; |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1973 | if (klass.Get() == nullptr) { |
Ian Rogers | e6bb3b2 | 2013-08-19 21:51:45 -0700 | [diff] [blame] | 1974 | CHECK(soa.Self()->IsExceptionPending()); |
| 1975 | soa.Self()->ClearException(); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1976 | |
| 1977 | /* |
| 1978 | * At compile time, we can still structurally verify the class even if FindClass fails. |
| 1979 | * This is to ensure the class is structurally sound for compilation. An unsound class |
| 1980 | * will be rejected by the verifier and later skipped during compilation in the compiler. |
| 1981 | */ |
Mathieu Chartier | 673ed3d | 2015-08-28 14:56:43 -0700 | [diff] [blame] | 1982 | Handle<mirror::DexCache> dex_cache(hs.NewHandle(class_linker->FindDexCache( |
| 1983 | soa.Self(), dex_file, false))); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1984 | std::string error_msg; |
Nicolas Geoffray | 0802518 | 2016-10-25 17:20:18 +0100 | [diff] [blame] | 1985 | failure_kind = |
| 1986 | verifier::MethodVerifier::VerifyClass(soa.Self(), |
Andreas Gampe | ec6e6c1 | 2015-11-05 20:39:56 -0800 | [diff] [blame] | 1987 | &dex_file, |
| 1988 | dex_cache, |
| 1989 | class_loader, |
David Brazdil | 15fc729 | 2016-09-02 14:13:18 +0100 | [diff] [blame] | 1990 | class_def, |
Andreas Gampe | 53e32d1 | 2015-12-09 21:03:23 -0800 | [diff] [blame] | 1991 | Runtime::Current()->GetCompilerCallbacks(), |
Andreas Gampe | ec6e6c1 | 2015-11-05 20:39:56 -0800 | [diff] [blame] | 1992 | true /* allow soft failures */, |
Andreas Gampe | 7fe3023 | 2016-03-25 16:58:00 -0700 | [diff] [blame] | 1993 | log_level_, |
Nicolas Geoffray | 0802518 | 2016-10-25 17:20:18 +0100 | [diff] [blame] | 1994 | &error_msg); |
| 1995 | if (failure_kind == verifier::MethodVerifier::kHardFailure) { |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1996 | LOG(ERROR) << "Verification failed on class " << PrettyDescriptor(descriptor) |
| 1997 | << " because: " << error_msg; |
| 1998 | manager_->GetCompiler()->SetHadHardVerifierFailure(); |
| 1999 | } |
| 2000 | } else if (!SkipClass(jclass_loader, dex_file, klass.Get())) { |
David Sehr | 709b070 | 2016-10-13 09:12:37 -0700 | [diff] [blame] | 2001 | CHECK(klass->IsResolved()) << klass->PrettyClass(); |
Nicolas Geoffray | 0802518 | 2016-10-25 17:20:18 +0100 | [diff] [blame] | 2002 | failure_kind = class_linker->VerifyClass(soa.Self(), klass, log_level_); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2003 | |
| 2004 | if (klass->IsErroneous()) { |
| 2005 | // ClassLinker::VerifyClass throws, which isn't useful in the compiler. |
| 2006 | CHECK(soa.Self()->IsExceptionPending()); |
| 2007 | soa.Self()->ClearException(); |
| 2008 | manager_->GetCompiler()->SetHadHardVerifierFailure(); |
| 2009 | } |
| 2010 | |
| 2011 | CHECK(klass->IsCompileTimeVerified() || klass->IsErroneous()) |
David Sehr | 709b070 | 2016-10-13 09:12:37 -0700 | [diff] [blame] | 2012 | << klass->PrettyDescriptor() << ": state=" << klass->GetStatus(); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2013 | |
Nicolas Geoffray | 0802518 | 2016-10-25 17:20:18 +0100 | [diff] [blame] | 2014 | // It is *very* problematic if there are verification errors in the boot classpath. |
| 2015 | // For example, we rely on things working OK without verification when the |
| 2016 | // decryption dialog is brought up. So abort in a debug build if we find this violated. |
Vladimir Marko | aad75c6 | 2016-10-03 08:46:48 +0000 | [diff] [blame] | 2017 | DCHECK(!manager_->GetCompiler()->GetCompilerOptions().IsBootImage() || klass->IsVerified()) |
David Sehr | 709b070 | 2016-10-13 09:12:37 -0700 | [diff] [blame] | 2018 | << "Boot classpath class " << klass->PrettyClass() |
| 2019 | << " failed to fully verify."; |
Nicolas Geoffray | 0802518 | 2016-10-25 17:20:18 +0100 | [diff] [blame] | 2020 | } else { |
| 2021 | // Make the skip a soft failure, essentially being considered as verify at runtime. |
| 2022 | failure_kind = verifier::MethodVerifier::kSoftFailure; |
Ian Rogers | e6bb3b2 | 2013-08-19 21:51:45 -0700 | [diff] [blame] | 2023 | } |
Nicolas Geoffray | 0802518 | 2016-10-25 17:20:18 +0100 | [diff] [blame] | 2024 | verifier::VerifierDeps::MaybeRecordVerificationStatus( |
| 2025 | dex_file, class_def.class_idx_, failure_kind); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2026 | soa.Self()->AssertNoPendingException(); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2027 | } |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2028 | |
| 2029 | private: |
| 2030 | const ParallelCompilationManager* const manager_; |
Andreas Gampe | 5fd66d0 | 2016-09-12 20:22:19 -0700 | [diff] [blame] | 2031 | const verifier::HardFailLogMode log_level_; |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2032 | }; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2033 | |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 2034 | void CompilerDriver::VerifyDexFile(jobject class_loader, |
| 2035 | const DexFile& dex_file, |
Andreas Gampe | de7b436 | 2014-07-28 18:38:57 -0700 | [diff] [blame] | 2036 | const std::vector<const DexFile*>& dex_files, |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 2037 | ThreadPool* thread_pool, |
| 2038 | size_t thread_count, |
| 2039 | TimingLogger* timings) { |
Mathieu Chartier | f5997b4 | 2014-06-20 10:37:54 -0700 | [diff] [blame] | 2040 | TimingLogger::ScopedTiming t("Verify Dex File", timings); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2041 | ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); |
Andreas Gampe | de7b436 | 2014-07-28 18:38:57 -0700 | [diff] [blame] | 2042 | ParallelCompilationManager context(class_linker, class_loader, this, &dex_file, dex_files, |
| 2043 | thread_pool); |
Andreas Gampe | 5fd66d0 | 2016-09-12 20:22:19 -0700 | [diff] [blame] | 2044 | verifier::HardFailLogMode log_level = GetCompilerOptions().AbortOnHardVerifierFailure() |
| 2045 | ? verifier::HardFailLogMode::kLogInternalFatal |
| 2046 | : verifier::HardFailLogMode::kLogWarning; |
Andreas Gampe | 7fe3023 | 2016-03-25 16:58:00 -0700 | [diff] [blame] | 2047 | VerifyClassVisitor visitor(&context, log_level); |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 2048 | context.ForAll(0, dex_file.NumClassDefs(), &visitor, thread_count); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2049 | } |
| 2050 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2051 | class SetVerifiedClassVisitor : public CompilationVisitor { |
| 2052 | public: |
| 2053 | explicit SetVerifiedClassVisitor(const ParallelCompilationManager* manager) : manager_(manager) {} |
| 2054 | |
| 2055 | virtual void Visit(size_t class_def_index) REQUIRES(!Locks::mutator_lock_) OVERRIDE { |
| 2056 | ATRACE_CALL(); |
| 2057 | ScopedObjectAccess soa(Thread::Current()); |
| 2058 | const DexFile& dex_file = *manager_->GetDexFile(); |
| 2059 | const DexFile::ClassDef& class_def = dex_file.GetClassDef(class_def_index); |
| 2060 | const char* descriptor = dex_file.GetClassDescriptor(class_def); |
| 2061 | ClassLinker* class_linker = manager_->GetClassLinker(); |
| 2062 | jobject jclass_loader = manager_->GetClassLoader(); |
| 2063 | StackHandleScope<3> hs(soa.Self()); |
| 2064 | Handle<mirror::ClassLoader> class_loader( |
Mathieu Chartier | 0795f23 | 2016-09-27 18:43:30 -0700 | [diff] [blame] | 2065 | hs.NewHandle(soa.Decode<mirror::ClassLoader>(jclass_loader))); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2066 | Handle<mirror::Class> klass( |
| 2067 | hs.NewHandle(class_linker->FindClass(soa.Self(), descriptor, class_loader))); |
| 2068 | // Class might have failed resolution. Then don't set it to verified. |
| 2069 | if (klass.Get() != nullptr) { |
| 2070 | // Only do this if the class is resolved. If even resolution fails, quickening will go very, |
| 2071 | // very wrong. |
| 2072 | if (klass->IsResolved()) { |
| 2073 | if (klass->GetStatus() < mirror::Class::kStatusVerified) { |
| 2074 | ObjectLock<mirror::Class> lock(soa.Self(), klass); |
| 2075 | // Set class status to verified. |
| 2076 | mirror::Class::SetStatus(klass, mirror::Class::kStatusVerified, soa.Self()); |
| 2077 | // Mark methods as pre-verified. If we don't do this, the interpreter will run with |
| 2078 | // access checks. |
Igor Murashkin | df707e4 | 2016-02-02 16:56:50 -0800 | [diff] [blame] | 2079 | klass->SetSkipAccessChecksFlagOnAllMethods( |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2080 | GetInstructionSetPointerSize(manager_->GetCompiler()->GetInstructionSet())); |
Igor Murashkin | df707e4 | 2016-02-02 16:56:50 -0800 | [diff] [blame] | 2081 | klass->SetVerificationAttempted(); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2082 | } |
| 2083 | // Record the final class status if necessary. |
| 2084 | ClassReference ref(manager_->GetDexFile(), class_def_index); |
| 2085 | manager_->GetCompiler()->RecordClassStatus(ref, klass->GetStatus()); |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 2086 | } |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2087 | } else { |
| 2088 | Thread* self = soa.Self(); |
| 2089 | DCHECK(self->IsExceptionPending()); |
| 2090 | self->ClearException(); |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 2091 | } |
| 2092 | } |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2093 | |
| 2094 | private: |
| 2095 | const ParallelCompilationManager* const manager_; |
| 2096 | }; |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 2097 | |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 2098 | void CompilerDriver::SetVerifiedDexFile(jobject class_loader, |
| 2099 | const DexFile& dex_file, |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 2100 | const std::vector<const DexFile*>& dex_files, |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 2101 | ThreadPool* thread_pool, |
| 2102 | size_t thread_count, |
| 2103 | TimingLogger* timings) { |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 2104 | TimingLogger::ScopedTiming t("Verify Dex File", timings); |
| 2105 | ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); |
| 2106 | ParallelCompilationManager context(class_linker, class_loader, this, &dex_file, dex_files, |
| 2107 | thread_pool); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2108 | SetVerifiedClassVisitor visitor(&context); |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 2109 | context.ForAll(0, dex_file.NumClassDefs(), &visitor, thread_count); |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 2110 | } |
| 2111 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2112 | class InitializeClassVisitor : public CompilationVisitor { |
| 2113 | public: |
| 2114 | explicit InitializeClassVisitor(const ParallelCompilationManager* manager) : manager_(manager) {} |
Ian Rogers | fc0e94b | 2013-09-23 23:51:32 -0700 | [diff] [blame] | 2115 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2116 | virtual void Visit(size_t class_def_index) REQUIRES(!Locks::mutator_lock_) OVERRIDE { |
| 2117 | ATRACE_CALL(); |
| 2118 | jobject jclass_loader = manager_->GetClassLoader(); |
| 2119 | const DexFile& dex_file = *manager_->GetDexFile(); |
| 2120 | const DexFile::ClassDef& class_def = dex_file.GetClassDef(class_def_index); |
| 2121 | const DexFile::TypeId& class_type_id = dex_file.GetTypeId(class_def.class_idx_); |
| 2122 | const char* descriptor = dex_file.StringDataByIdx(class_type_id.descriptor_idx_); |
Jeff Hao | 0e49b42 | 2013-11-08 12:16:56 -0800 | [diff] [blame] | 2123 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2124 | ScopedObjectAccess soa(Thread::Current()); |
| 2125 | StackHandleScope<3> hs(soa.Self()); |
| 2126 | Handle<mirror::ClassLoader> class_loader( |
Mathieu Chartier | 0795f23 | 2016-09-27 18:43:30 -0700 | [diff] [blame] | 2127 | hs.NewHandle(soa.Decode<mirror::ClassLoader>(jclass_loader))); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2128 | Handle<mirror::Class> klass( |
| 2129 | hs.NewHandle(manager_->GetClassLinker()->FindClass(soa.Self(), descriptor, class_loader))); |
| 2130 | |
| 2131 | if (klass.Get() != nullptr && !SkipClass(jclass_loader, dex_file, klass.Get())) { |
| 2132 | // Only try to initialize classes that were successfully verified. |
| 2133 | if (klass->IsVerified()) { |
| 2134 | // Attempt to initialize the class but bail if we either need to initialize the super-class |
| 2135 | // or static fields. |
| 2136 | manager_->GetClassLinker()->EnsureInitialized(soa.Self(), klass, false, false); |
Ian Rogers | 8f3c9ae | 2013-08-20 17:26:41 -0700 | [diff] [blame] | 2137 | if (!klass->IsInitialized()) { |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2138 | // We don't want non-trivial class initialization occurring on multiple threads due to |
| 2139 | // deadlock problems. For example, a parent class is initialized (holding its lock) that |
| 2140 | // refers to a sub-class in its static/class initializer causing it to try to acquire the |
| 2141 | // sub-class' lock. While on a second thread the sub-class is initialized (holding its lock) |
| 2142 | // after first initializing its parents, whose locks are acquired. This leads to a |
| 2143 | // parent-to-child and a child-to-parent lock ordering and consequent potential deadlock. |
| 2144 | // We need to use an ObjectLock due to potential suspension in the interpreting code. Rather |
| 2145 | // than use a special Object for the purpose we use the Class of java.lang.Class. |
| 2146 | Handle<mirror::Class> h_klass(hs.NewHandle(klass->GetClass())); |
| 2147 | ObjectLock<mirror::Class> lock(soa.Self(), h_klass); |
| 2148 | // Attempt to initialize allowing initialization of parent classes but still not static |
| 2149 | // fields. |
| 2150 | manager_->GetClassLinker()->EnsureInitialized(soa.Self(), klass, false, true); |
| 2151 | if (!klass->IsInitialized()) { |
| 2152 | // We need to initialize static fields, we only do this for image classes that aren't |
| 2153 | // marked with the $NoPreloadHolder (which implies this should not be initialized early). |
Vladimir Marko | aad75c6 | 2016-10-03 08:46:48 +0000 | [diff] [blame] | 2154 | bool can_init_static_fields = |
| 2155 | manager_->GetCompiler()->GetCompilerOptions().IsBootImage() && |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2156 | manager_->GetCompiler()->IsImageClass(descriptor) && |
| 2157 | !StringPiece(descriptor).ends_with("$NoPreloadHolder;"); |
| 2158 | if (can_init_static_fields) { |
| 2159 | VLOG(compiler) << "Initializing: " << descriptor; |
| 2160 | // TODO multithreading support. We should ensure the current compilation thread has |
| 2161 | // exclusive access to the runtime and the transaction. To achieve this, we could use |
| 2162 | // a ReaderWriterMutex but we're holding the mutator lock so we fail mutex sanity |
| 2163 | // checks in Thread::AssertThreadSuspensionIsAllowable. |
| 2164 | Runtime* const runtime = Runtime::Current(); |
| 2165 | Transaction transaction; |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 2166 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2167 | // Run the class initializer in transaction mode. |
| 2168 | runtime->EnterTransactionMode(&transaction); |
| 2169 | const mirror::Class::Status old_status = klass->GetStatus(); |
| 2170 | bool success = manager_->GetClassLinker()->EnsureInitialized(soa.Self(), klass, true, |
| 2171 | true); |
| 2172 | // TODO we detach transaction from runtime to indicate we quit the transactional |
| 2173 | // mode which prevents the GC from visiting objects modified during the transaction. |
| 2174 | // Ensure GC is not run so don't access freed objects when aborting transaction. |
Mathieu Chartier | 2d5f39e | 2014-09-19 17:52:37 -0700 | [diff] [blame] | 2175 | |
Mathieu Chartier | 268764d | 2016-09-13 12:09:38 -0700 | [diff] [blame] | 2176 | ScopedAssertNoThreadSuspension ants("Transaction end"); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2177 | runtime->ExitTransactionMode(); |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 2178 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2179 | if (!success) { |
| 2180 | CHECK(soa.Self()->IsExceptionPending()); |
| 2181 | mirror::Throwable* exception = soa.Self()->GetException(); |
| 2182 | VLOG(compiler) << "Initialization of " << descriptor << " aborted because of " |
| 2183 | << exception->Dump(); |
| 2184 | std::ostream* file_log = manager_->GetCompiler()-> |
| 2185 | GetCompilerOptions().GetInitFailureOutput(); |
| 2186 | if (file_log != nullptr) { |
| 2187 | *file_log << descriptor << "\n"; |
| 2188 | *file_log << exception->Dump() << "\n"; |
| 2189 | } |
| 2190 | soa.Self()->ClearException(); |
| 2191 | transaction.Rollback(); |
| 2192 | CHECK_EQ(old_status, klass->GetStatus()) << "Previous class status not restored"; |
Andreas Gampe | dbfe254 | 2014-11-25 22:21:42 -0800 | [diff] [blame] | 2193 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2194 | } |
| 2195 | } |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2196 | soa.Self()->AssertNoPendingException(); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2197 | } |
| 2198 | } |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2199 | // Record the final class status if necessary. |
| 2200 | ClassReference ref(manager_->GetDexFile(), class_def_index); |
| 2201 | manager_->GetCompiler()->RecordClassStatus(ref, klass->GetStatus()); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2202 | } |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2203 | // Clear any class not found or verification exceptions. |
| 2204 | soa.Self()->ClearException(); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2205 | } |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2206 | |
| 2207 | private: |
| 2208 | const ParallelCompilationManager* const manager_; |
| 2209 | }; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2210 | |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 2211 | void CompilerDriver::InitializeClasses(jobject jni_class_loader, |
| 2212 | const DexFile& dex_file, |
Andreas Gampe | de7b436 | 2014-07-28 18:38:57 -0700 | [diff] [blame] | 2213 | const std::vector<const DexFile*>& dex_files, |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 2214 | TimingLogger* timings) { |
Mathieu Chartier | f5997b4 | 2014-06-20 10:37:54 -0700 | [diff] [blame] | 2215 | TimingLogger::ScopedTiming t("InitializeNoClinit", timings); |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 2216 | |
| 2217 | // Initialization allocates objects and needs to run single-threaded to be deterministic. |
| 2218 | bool force_determinism = GetCompilerOptions().IsForceDeterminism(); |
| 2219 | ThreadPool* init_thread_pool = force_determinism |
| 2220 | ? single_thread_pool_.get() |
| 2221 | : parallel_thread_pool_.get(); |
| 2222 | size_t init_thread_count = force_determinism ? 1U : parallel_thread_count_; |
| 2223 | |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2224 | ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); |
Andreas Gampe | de7b436 | 2014-07-28 18:38:57 -0700 | [diff] [blame] | 2225 | ParallelCompilationManager context(class_linker, jni_class_loader, this, &dex_file, dex_files, |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 2226 | init_thread_pool); |
Vladimir Marko | aad75c6 | 2016-10-03 08:46:48 +0000 | [diff] [blame] | 2227 | if (GetCompilerOptions().IsBootImage()) { |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 2228 | // TODO: remove this when transactional mode supports multithreading. |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 2229 | init_thread_count = 1U; |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 2230 | } |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2231 | InitializeClassVisitor visitor(&context); |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 2232 | context.ForAll(0, dex_file.NumClassDefs(), &visitor, init_thread_count); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2233 | } |
| 2234 | |
Mathieu Chartier | 91288d8 | 2016-04-28 09:44:54 -0700 | [diff] [blame] | 2235 | class InitializeArrayClassesAndCreateConflictTablesVisitor : public ClassVisitor { |
Mathieu Chartier | 085a072 | 2016-04-01 17:33:31 -0700 | [diff] [blame] | 2236 | public: |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 2237 | explicit InitializeArrayClassesAndCreateConflictTablesVisitor(VariableSizedHandleScope& hs) |
| 2238 | : hs_(hs) {} |
| 2239 | |
| 2240 | virtual bool operator()(ObjPtr<mirror::Class> klass) OVERRIDE |
| 2241 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Mathieu Chartier | 91288d8 | 2016-04-28 09:44:54 -0700 | [diff] [blame] | 2242 | if (Runtime::Current()->GetHeap()->ObjectIsInBootImageSpace(klass)) { |
| 2243 | return true; |
| 2244 | } |
Mathieu Chartier | 085a072 | 2016-04-01 17:33:31 -0700 | [diff] [blame] | 2245 | if (klass->IsArrayClass()) { |
| 2246 | StackHandleScope<1> hs(Thread::Current()); |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 2247 | auto h_klass = hs.NewHandleWrapper(&klass); |
| 2248 | Runtime::Current()->GetClassLinker()->EnsureInitialized(hs.Self(), h_klass, true, true); |
Mathieu Chartier | 085a072 | 2016-04-01 17:33:31 -0700 | [diff] [blame] | 2249 | } |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 2250 | // Collect handles since there may be thread suspension in future EnsureInitialized. |
| 2251 | to_visit_.push_back(hs_.NewHandle(klass)); |
Nicolas Geoffray | 88f288e | 2016-06-29 08:17:52 +0000 | [diff] [blame] | 2252 | return true; |
Nelli Kim | badee98 | 2016-05-13 13:08:53 +0300 | [diff] [blame] | 2253 | } |
Artem Udovichenko | a62cb9b | 2016-06-30 09:18:25 +0000 | [diff] [blame] | 2254 | |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 2255 | void FillAllIMTAndConflictTables() REQUIRES_SHARED(Locks::mutator_lock_) { |
| 2256 | for (Handle<mirror::Class> c : to_visit_) { |
| 2257 | // Create the conflict tables. |
| 2258 | FillIMTAndConflictTables(c.Get()); |
| 2259 | } |
| 2260 | } |
| 2261 | |
Artem Udovichenko | a62cb9b | 2016-06-30 09:18:25 +0000 | [diff] [blame] | 2262 | private: |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 2263 | void FillIMTAndConflictTables(ObjPtr<mirror::Class> klass) |
| 2264 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Artem Udovichenko | a62cb9b | 2016-06-30 09:18:25 +0000 | [diff] [blame] | 2265 | if (!klass->ShouldHaveImt()) { |
| 2266 | return; |
| 2267 | } |
| 2268 | if (visited_classes_.find(klass) != visited_classes_.end()) { |
| 2269 | return; |
| 2270 | } |
| 2271 | if (klass->HasSuperClass()) { |
| 2272 | FillIMTAndConflictTables(klass->GetSuperClass()); |
| 2273 | } |
| 2274 | if (!klass->IsTemp()) { |
| 2275 | Runtime::Current()->GetClassLinker()->FillIMTAndConflictTables(klass); |
| 2276 | } |
| 2277 | visited_classes_.insert(klass); |
| 2278 | } |
| 2279 | |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 2280 | VariableSizedHandleScope& hs_; |
| 2281 | std::vector<Handle<mirror::Class>> to_visit_; |
| 2282 | std::unordered_set<ObjPtr<mirror::Class>, HashObjPtr> visited_classes_; |
Mathieu Chartier | 085a072 | 2016-04-01 17:33:31 -0700 | [diff] [blame] | 2283 | }; |
| 2284 | |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2285 | void CompilerDriver::InitializeClasses(jobject class_loader, |
| 2286 | const std::vector<const DexFile*>& dex_files, |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 2287 | TimingLogger* timings) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2288 | for (size_t i = 0; i != dex_files.size(); ++i) { |
| 2289 | const DexFile* dex_file = dex_files[i]; |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 2290 | CHECK(dex_file != nullptr); |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 2291 | InitializeClasses(class_loader, *dex_file, dex_files, timings); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2292 | } |
Vladimir Marko | aad75c6 | 2016-10-03 08:46:48 +0000 | [diff] [blame] | 2293 | if (GetCompilerOptions().IsBootImage() || GetCompilerOptions().IsAppImage()) { |
Mathieu Chartier | 085a072 | 2016-04-01 17:33:31 -0700 | [diff] [blame] | 2294 | // Make sure that we call EnsureIntiailized on all the array classes to call |
| 2295 | // SetVerificationAttempted so that the access flags are set. If we do not do this they get |
| 2296 | // changed at runtime resulting in more dirty image pages. |
Mathieu Chartier | 91288d8 | 2016-04-28 09:44:54 -0700 | [diff] [blame] | 2297 | // Also create conflict tables. |
| 2298 | // 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] | 2299 | ScopedObjectAccess soa(Thread::Current()); |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 2300 | VariableSizedHandleScope hs(soa.Self()); |
| 2301 | InitializeArrayClassesAndCreateConflictTablesVisitor visitor(hs); |
Mathieu Chartier | 91288d8 | 2016-04-28 09:44:54 -0700 | [diff] [blame] | 2302 | Runtime::Current()->GetClassLinker()->VisitClassesWithoutClassesLock(&visitor); |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 2303 | visitor.FillAllIMTAndConflictTables(); |
Mathieu Chartier | 085a072 | 2016-04-01 17:33:31 -0700 | [diff] [blame] | 2304 | } |
Vladimir Marko | aad75c6 | 2016-10-03 08:46:48 +0000 | [diff] [blame] | 2305 | if (GetCompilerOptions().IsBootImage()) { |
Mathieu Chartier | 093ef21 | 2014-08-11 13:52:12 -0700 | [diff] [blame] | 2306 | // Prune garbage objects created during aborted transactions. |
| 2307 | Runtime::Current()->GetHeap()->CollectGarbage(true); |
| 2308 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2309 | } |
| 2310 | |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 2311 | void CompilerDriver::Compile(jobject class_loader, |
| 2312 | const std::vector<const DexFile*>& dex_files, |
| 2313 | TimingLogger* timings) { |
Calin Juravle | 998c216 | 2015-12-21 15:39:33 +0200 | [diff] [blame] | 2314 | if (kDebugProfileGuidedCompilation) { |
| 2315 | LOG(INFO) << "[ProfileGuidedCompilation] " << |
| 2316 | ((profile_compilation_info_ == nullptr) |
| 2317 | ? "null" |
| 2318 | : profile_compilation_info_->DumpInfo(&dex_files)); |
Calin Juravle | 226501b | 2015-12-11 14:41:31 +0000 | [diff] [blame] | 2319 | } |
Vladimir Marko | 492a7fa | 2016-06-01 18:38:43 +0100 | [diff] [blame] | 2320 | |
| 2321 | DCHECK(current_dex_to_dex_methods_ == nullptr); |
| 2322 | for (const DexFile* dex_file : dex_files) { |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 2323 | CHECK(dex_file != nullptr); |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 2324 | CompileDexFile(class_loader, |
| 2325 | *dex_file, |
| 2326 | dex_files, |
| 2327 | parallel_thread_pool_.get(), |
| 2328 | parallel_thread_count_, |
| 2329 | timings); |
Calin Juravle | 6915898 | 2016-03-16 11:53:41 +0000 | [diff] [blame] | 2330 | const ArenaPool* const arena_pool = Runtime::Current()->GetArenaPool(); |
| 2331 | const size_t arena_alloc = arena_pool->GetBytesAllocated(); |
| 2332 | max_arena_alloc_ = std::max(arena_alloc, max_arena_alloc_); |
Jean-Philippe Halimi | ca76a1a | 2016-02-02 19:48:52 +0100 | [diff] [blame] | 2333 | Runtime::Current()->ReclaimArenaPoolMemory(); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2334 | } |
Vladimir Marko | 492a7fa | 2016-06-01 18:38:43 +0100 | [diff] [blame] | 2335 | |
| 2336 | ArrayRef<DexFileMethodSet> dex_to_dex_references; |
| 2337 | { |
| 2338 | // From this point on, we shall not modify dex_to_dex_references_, so |
| 2339 | // just grab a reference to it that we use without holding the mutex. |
| 2340 | MutexLock lock(Thread::Current(), dex_to_dex_references_lock_); |
| 2341 | dex_to_dex_references = ArrayRef<DexFileMethodSet>(dex_to_dex_references_); |
| 2342 | } |
| 2343 | for (const auto& method_set : dex_to_dex_references) { |
| 2344 | current_dex_to_dex_methods_ = &method_set.GetMethodIndexes(); |
| 2345 | CompileDexFile(class_loader, |
| 2346 | method_set.GetDexFile(), |
| 2347 | dex_files, |
| 2348 | parallel_thread_pool_.get(), |
| 2349 | parallel_thread_count_, |
| 2350 | timings); |
| 2351 | } |
| 2352 | current_dex_to_dex_methods_ = nullptr; |
| 2353 | |
Andreas Gampe | 8d295f8 | 2015-01-20 14:50:21 -0800 | [diff] [blame] | 2354 | VLOG(compiler) << "Compile: " << GetMemoryUsageString(false); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2355 | } |
| 2356 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2357 | class CompileClassVisitor : public CompilationVisitor { |
| 2358 | public: |
| 2359 | explicit CompileClassVisitor(const ParallelCompilationManager* manager) : manager_(manager) {} |
| 2360 | |
| 2361 | virtual void Visit(size_t class_def_index) REQUIRES(!Locks::mutator_lock_) OVERRIDE { |
| 2362 | ATRACE_CALL(); |
| 2363 | const DexFile& dex_file = *manager_->GetDexFile(); |
| 2364 | const DexFile::ClassDef& class_def = dex_file.GetClassDef(class_def_index); |
| 2365 | ClassLinker* class_linker = manager_->GetClassLinker(); |
| 2366 | jobject jclass_loader = manager_->GetClassLoader(); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2367 | ClassReference ref(&dex_file, class_def_index); |
| 2368 | // Skip compiling classes with generic verifier failures since they will still fail at runtime |
| 2369 | if (manager_->GetCompiler()->verification_results_->IsClassRejected(ref)) { |
Ian Rogers | 1ff3c98 | 2014-08-12 02:30:58 -0700 | [diff] [blame] | 2370 | return; |
| 2371 | } |
Mathieu Chartier | 736b560 | 2015-09-02 14:54:11 -0700 | [diff] [blame] | 2372 | // Use a scoped object access to perform to the quick SkipClass check. |
| 2373 | const char* descriptor = dex_file.GetClassDescriptor(class_def); |
| 2374 | ScopedObjectAccess soa(Thread::Current()); |
| 2375 | StackHandleScope<3> hs(soa.Self()); |
| 2376 | Handle<mirror::ClassLoader> class_loader( |
Mathieu Chartier | 0795f23 | 2016-09-27 18:43:30 -0700 | [diff] [blame] | 2377 | hs.NewHandle(soa.Decode<mirror::ClassLoader>(jclass_loader))); |
Mathieu Chartier | 736b560 | 2015-09-02 14:54:11 -0700 | [diff] [blame] | 2378 | Handle<mirror::Class> klass( |
| 2379 | hs.NewHandle(class_linker->FindClass(soa.Self(), descriptor, class_loader))); |
| 2380 | Handle<mirror::DexCache> dex_cache; |
| 2381 | if (klass.Get() == nullptr) { |
| 2382 | soa.Self()->AssertPendingException(); |
| 2383 | soa.Self()->ClearException(); |
| 2384 | dex_cache = hs.NewHandle(class_linker->FindDexCache(soa.Self(), dex_file)); |
| 2385 | } else if (SkipClass(jclass_loader, dex_file, klass.Get())) { |
| 2386 | return; |
| 2387 | } else { |
| 2388 | dex_cache = hs.NewHandle(klass->GetDexCache()); |
| 2389 | } |
| 2390 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2391 | const uint8_t* class_data = dex_file.GetClassData(class_def); |
| 2392 | if (class_data == nullptr) { |
| 2393 | // empty class, probably a marker interface |
| 2394 | return; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2395 | } |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2396 | |
Mathieu Chartier | 736b560 | 2015-09-02 14:54:11 -0700 | [diff] [blame] | 2397 | // Go to native so that we don't block GC during compilation. |
Mathieu Chartier | f1d666e | 2015-09-03 16:13:34 -0700 | [diff] [blame] | 2398 | ScopedThreadSuspension sts(soa.Self(), kNative); |
Mathieu Chartier | 736b560 | 2015-09-02 14:54:11 -0700 | [diff] [blame] | 2399 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2400 | CompilerDriver* const driver = manager_->GetCompiler(); |
| 2401 | |
| 2402 | // Can we run DEX-to-DEX compiler on this class ? |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 2403 | optimizer::DexToDexCompilationLevel dex_to_dex_compilation_level = |
Mathieu Chartier | 736b560 | 2015-09-02 14:54:11 -0700 | [diff] [blame] | 2404 | GetDexToDexCompilationLevel(soa.Self(), *driver, jclass_loader, dex_file, class_def); |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 2405 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2406 | ClassDataItemIterator it(dex_file, class_data); |
| 2407 | // Skip fields |
| 2408 | while (it.HasNextStaticField()) { |
| 2409 | it.Next(); |
| 2410 | } |
| 2411 | while (it.HasNextInstanceField()) { |
| 2412 | it.Next(); |
| 2413 | } |
| 2414 | |
| 2415 | bool compilation_enabled = driver->IsClassToCompile( |
| 2416 | dex_file.StringByTypeIdx(class_def.class_idx_)); |
| 2417 | |
| 2418 | // Compile direct methods |
| 2419 | int64_t previous_direct_method_idx = -1; |
| 2420 | while (it.HasNextDirectMethod()) { |
| 2421 | uint32_t method_idx = it.GetMemberIndex(); |
| 2422 | if (method_idx == previous_direct_method_idx) { |
| 2423 | // smali can create dex files with two encoded_methods sharing the same method_idx |
| 2424 | // http://code.google.com/p/smali/issues/detail?id=119 |
| 2425 | it.Next(); |
| 2426 | continue; |
| 2427 | } |
| 2428 | previous_direct_method_idx = method_idx; |
Mathieu Chartier | 736b560 | 2015-09-02 14:54:11 -0700 | [diff] [blame] | 2429 | CompileMethod(soa.Self(), driver, it.GetMethodCodeItem(), it.GetMethodAccessFlags(), |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 2430 | it.GetMethodInvokeType(class_def), class_def_index, |
| 2431 | method_idx, jclass_loader, dex_file, dex_to_dex_compilation_level, |
Mathieu Chartier | 736b560 | 2015-09-02 14:54:11 -0700 | [diff] [blame] | 2432 | compilation_enabled, dex_cache); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2433 | it.Next(); |
| 2434 | } |
| 2435 | // Compile virtual methods |
| 2436 | int64_t previous_virtual_method_idx = -1; |
| 2437 | while (it.HasNextVirtualMethod()) { |
| 2438 | uint32_t method_idx = it.GetMemberIndex(); |
| 2439 | if (method_idx == previous_virtual_method_idx) { |
| 2440 | // smali can create dex files with two encoded_methods sharing the same method_idx |
| 2441 | // http://code.google.com/p/smali/issues/detail?id=119 |
| 2442 | it.Next(); |
| 2443 | continue; |
| 2444 | } |
| 2445 | previous_virtual_method_idx = method_idx; |
Mathieu Chartier | 736b560 | 2015-09-02 14:54:11 -0700 | [diff] [blame] | 2446 | CompileMethod(soa.Self(), driver, it.GetMethodCodeItem(), it.GetMethodAccessFlags(), |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 2447 | it.GetMethodInvokeType(class_def), class_def_index, |
| 2448 | method_idx, jclass_loader, dex_file, dex_to_dex_compilation_level, |
Mathieu Chartier | 736b560 | 2015-09-02 14:54:11 -0700 | [diff] [blame] | 2449 | compilation_enabled, dex_cache); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2450 | it.Next(); |
| 2451 | } |
| 2452 | DCHECK(!it.HasNext()); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2453 | } |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2454 | |
| 2455 | private: |
| 2456 | const ParallelCompilationManager* const manager_; |
| 2457 | }; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2458 | |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 2459 | void CompilerDriver::CompileDexFile(jobject class_loader, |
| 2460 | const DexFile& dex_file, |
Andreas Gampe | de7b436 | 2014-07-28 18:38:57 -0700 | [diff] [blame] | 2461 | const std::vector<const DexFile*>& dex_files, |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 2462 | ThreadPool* thread_pool, |
| 2463 | size_t thread_count, |
| 2464 | TimingLogger* timings) { |
Mathieu Chartier | f5997b4 | 2014-06-20 10:37:54 -0700 | [diff] [blame] | 2465 | TimingLogger::ScopedTiming t("Compile Dex File", timings); |
Ian Rogers | be7149f | 2013-08-20 09:29:39 -0700 | [diff] [blame] | 2466 | ParallelCompilationManager context(Runtime::Current()->GetClassLinker(), class_loader, this, |
Andreas Gampe | de7b436 | 2014-07-28 18:38:57 -0700 | [diff] [blame] | 2467 | &dex_file, dex_files, thread_pool); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 2468 | CompileClassVisitor visitor(&context); |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 2469 | context.ForAll(0, dex_file.NumClassDefs(), &visitor, thread_count); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2470 | } |
| 2471 | |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 2472 | void CompilerDriver::AddCompiledMethod(const MethodReference& method_ref, |
| 2473 | CompiledMethod* const compiled_method, |
| 2474 | size_t non_relative_linker_patch_count) { |
| 2475 | DCHECK(GetCompiledMethod(method_ref) == nullptr) |
David Sehr | 709b070 | 2016-10-13 09:12:37 -0700 | [diff] [blame] | 2476 | << method_ref.dex_file->PrettyMethod(method_ref.dex_method_index); |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 2477 | { |
| 2478 | MutexLock mu(Thread::Current(), compiled_methods_lock_); |
| 2479 | compiled_methods_.Put(method_ref, compiled_method); |
| 2480 | non_relative_linker_patch_count_ += non_relative_linker_patch_count; |
Ian Rogers | a4a3f40 | 2014-10-20 18:10:34 -0700 | [diff] [blame] | 2481 | } |
Andreas Gampe | 5eb0d38 | 2015-07-23 01:19:26 -0700 | [diff] [blame] | 2482 | DCHECK(GetCompiledMethod(method_ref) != nullptr) |
David Sehr | 709b070 | 2016-10-13 09:12:37 -0700 | [diff] [blame] | 2483 | << method_ref.dex_file->PrettyMethod(method_ref.dex_method_index); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2484 | } |
| 2485 | |
Mathieu Chartier | e5f13e5 | 2015-02-24 09:37:21 -0800 | [diff] [blame] | 2486 | void CompilerDriver::RemoveCompiledMethod(const MethodReference& method_ref) { |
| 2487 | CompiledMethod* compiled_method = nullptr; |
| 2488 | { |
| 2489 | MutexLock mu(Thread::Current(), compiled_methods_lock_); |
| 2490 | auto it = compiled_methods_.find(method_ref); |
| 2491 | if (it != compiled_methods_.end()) { |
| 2492 | compiled_method = it->second; |
| 2493 | compiled_methods_.erase(it); |
| 2494 | } |
| 2495 | } |
| 2496 | if (compiled_method != nullptr) { |
| 2497 | CompiledMethod::ReleaseSwapAllocatedCompiledMethod(this, compiled_method); |
| 2498 | } |
| 2499 | } |
| 2500 | |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2501 | CompiledClass* CompilerDriver::GetCompiledClass(ClassReference ref) const { |
| 2502 | MutexLock mu(Thread::Current(), compiled_classes_lock_); |
| 2503 | ClassTable::const_iterator it = compiled_classes_.find(ref); |
| 2504 | if (it == compiled_classes_.end()) { |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 2505 | return nullptr; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2506 | } |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 2507 | CHECK(it->second != nullptr); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2508 | return it->second; |
| 2509 | } |
| 2510 | |
Ian Rogers | 8f3c9ae | 2013-08-20 17:26:41 -0700 | [diff] [blame] | 2511 | void CompilerDriver::RecordClassStatus(ClassReference ref, mirror::Class::Status status) { |
| 2512 | MutexLock mu(Thread::Current(), compiled_classes_lock_); |
| 2513 | auto it = compiled_classes_.find(ref); |
| 2514 | if (it == compiled_classes_.end() || it->second->GetStatus() != status) { |
| 2515 | // An entry doesn't exist or the status is lower than the new status. |
| 2516 | if (it != compiled_classes_.end()) { |
| 2517 | CHECK_GT(status, it->second->GetStatus()); |
| 2518 | delete it->second; |
| 2519 | } |
| 2520 | switch (status) { |
| 2521 | case mirror::Class::kStatusNotReady: |
| 2522 | case mirror::Class::kStatusError: |
| 2523 | case mirror::Class::kStatusRetryVerificationAtRuntime: |
| 2524 | case mirror::Class::kStatusVerified: |
| 2525 | case mirror::Class::kStatusInitialized: |
Mathieu Chartier | a807780 | 2016-03-16 19:08:31 -0700 | [diff] [blame] | 2526 | case mirror::Class::kStatusResolved: |
Ian Rogers | 8f3c9ae | 2013-08-20 17:26:41 -0700 | [diff] [blame] | 2527 | break; // Expected states. |
| 2528 | default: |
| 2529 | LOG(FATAL) << "Unexpected class status for class " |
| 2530 | << PrettyDescriptor(ref.first->GetClassDescriptor(ref.first->GetClassDef(ref.second))) |
| 2531 | << " of " << status; |
| 2532 | } |
| 2533 | CompiledClass* compiled_class = new CompiledClass(status); |
| 2534 | compiled_classes_.Overwrite(ref, compiled_class); |
| 2535 | } |
| 2536 | } |
| 2537 | |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2538 | CompiledMethod* CompilerDriver::GetCompiledMethod(MethodReference ref) const { |
| 2539 | MutexLock mu(Thread::Current(), compiled_methods_lock_); |
| 2540 | MethodTable::const_iterator it = compiled_methods_.find(ref); |
| 2541 | if (it == compiled_methods_.end()) { |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 2542 | return nullptr; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2543 | } |
Andreas Gampe | 2ed8def | 2014-08-28 14:41:02 -0700 | [diff] [blame] | 2544 | CHECK(it->second != nullptr); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2545 | return it->second; |
| 2546 | } |
| 2547 | |
Calin Juravle | f1c6d9e | 2015-04-13 18:42:21 +0100 | [diff] [blame] | 2548 | bool CompilerDriver::IsMethodVerifiedWithoutFailures(uint32_t method_idx, |
| 2549 | uint16_t class_def_idx, |
| 2550 | const DexFile& dex_file) const { |
| 2551 | const VerifiedMethod* verified_method = GetVerifiedMethod(&dex_file, method_idx); |
| 2552 | if (verified_method != nullptr) { |
| 2553 | return !verified_method->HasVerificationFailures(); |
| 2554 | } |
| 2555 | |
| 2556 | // If we can't find verification metadata, check if this is a system class (we trust that system |
| 2557 | // classes have their methods verified). If it's not, be conservative and assume the method |
| 2558 | // has not been verified successfully. |
| 2559 | |
| 2560 | // TODO: When compiling the boot image it should be safe to assume that everything is verified, |
| 2561 | // even if methods are not found in the verification cache. |
| 2562 | const char* descriptor = dex_file.GetClassDescriptor(dex_file.GetClassDef(class_def_idx)); |
| 2563 | ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); |
| 2564 | Thread* self = Thread::Current(); |
| 2565 | ScopedObjectAccess soa(self); |
| 2566 | bool is_system_class = class_linker->FindSystemClass(self, descriptor) != nullptr; |
| 2567 | if (!is_system_class) { |
| 2568 | self->ClearException(); |
| 2569 | } |
| 2570 | return is_system_class; |
| 2571 | } |
| 2572 | |
Vladimir Marko | f4da675 | 2014-08-01 19:04:18 +0100 | [diff] [blame] | 2573 | size_t CompilerDriver::GetNonRelativeLinkerPatchCount() const { |
| 2574 | MutexLock mu(Thread::Current(), compiled_methods_lock_); |
| 2575 | return non_relative_linker_patch_count_; |
| 2576 | } |
| 2577 | |
Mathieu Chartier | c4ae916 | 2016-04-07 13:19:19 -0700 | [diff] [blame] | 2578 | void CompilerDriver::SetRequiresConstructorBarrier(Thread* self, |
| 2579 | const DexFile* dex_file, |
| 2580 | uint16_t class_def_index, |
| 2581 | bool requires) { |
| 2582 | WriterMutexLock mu(self, requires_constructor_barrier_lock_); |
| 2583 | requires_constructor_barrier_.emplace(ClassReference(dex_file, class_def_index), requires); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2584 | } |
| 2585 | |
Mathieu Chartier | 371bd83 | 2016-04-07 10:19:48 -0700 | [diff] [blame] | 2586 | bool CompilerDriver::RequiresConstructorBarrier(Thread* self, |
| 2587 | const DexFile* dex_file, |
Mathieu Chartier | c4ae916 | 2016-04-07 13:19:19 -0700 | [diff] [blame] | 2588 | uint16_t class_def_index) { |
| 2589 | ClassReference class_ref(dex_file, class_def_index); |
| 2590 | { |
| 2591 | ReaderMutexLock mu(self, requires_constructor_barrier_lock_); |
| 2592 | auto it = requires_constructor_barrier_.find(class_ref); |
| 2593 | if (it != requires_constructor_barrier_.end()) { |
| 2594 | return it->second; |
| 2595 | } |
Mathieu Chartier | b5d3861 | 2016-04-07 10:52:52 -0700 | [diff] [blame] | 2596 | } |
Mathieu Chartier | c4ae916 | 2016-04-07 13:19:19 -0700 | [diff] [blame] | 2597 | WriterMutexLock mu(self, requires_constructor_barrier_lock_); |
| 2598 | const bool requires = RequiresConstructorBarrier(*dex_file, class_def_index); |
| 2599 | requires_constructor_barrier_.emplace(class_ref, requires); |
| 2600 | return requires; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2601 | } |
| 2602 | |
Andreas Gampe | 8d295f8 | 2015-01-20 14:50:21 -0800 | [diff] [blame] | 2603 | std::string CompilerDriver::GetMemoryUsageString(bool extended) const { |
Mathieu Chartier | ab972ef | 2014-12-03 17:38:22 -0800 | [diff] [blame] | 2604 | std::ostringstream oss; |
Calin Juravle | 6915898 | 2016-03-16 11:53:41 +0000 | [diff] [blame] | 2605 | const gc::Heap* const heap = Runtime::Current()->GetHeap(); |
Anton Kirilov | dd9473b | 2016-01-28 15:08:01 +0000 | [diff] [blame] | 2606 | const size_t java_alloc = heap->GetBytesAllocated(); |
Calin Juravle | 6915898 | 2016-03-16 11:53:41 +0000 | [diff] [blame] | 2607 | oss << "arena alloc=" << PrettySize(max_arena_alloc_) << " (" << max_arena_alloc_ << "B)"; |
Anton Kirilov | dd9473b | 2016-01-28 15:08:01 +0000 | [diff] [blame] | 2608 | oss << " java alloc=" << PrettySize(java_alloc) << " (" << java_alloc << "B)"; |
Elliott Hughes | 7bf5a26 | 2015-04-02 20:55:07 -0700 | [diff] [blame] | 2609 | #if defined(__BIONIC__) || defined(__GLIBC__) |
Anton Kirilov | dd9473b | 2016-01-28 15:08:01 +0000 | [diff] [blame] | 2610 | const struct mallinfo info = mallinfo(); |
Mathieu Chartier | ab972ef | 2014-12-03 17:38:22 -0800 | [diff] [blame] | 2611 | const size_t allocated_space = static_cast<size_t>(info.uordblks); |
| 2612 | const size_t free_space = static_cast<size_t>(info.fordblks); |
Anton Kirilov | dd9473b | 2016-01-28 15:08:01 +0000 | [diff] [blame] | 2613 | oss << " native alloc=" << PrettySize(allocated_space) << " (" << allocated_space << "B)" |
| 2614 | << " free=" << PrettySize(free_space) << " (" << free_space << "B)"; |
Mathieu Chartier | ab972ef | 2014-12-03 17:38:22 -0800 | [diff] [blame] | 2615 | #endif |
Vladimir Marko | 35831e8 | 2015-09-11 11:59:18 +0100 | [diff] [blame] | 2616 | compiled_method_storage_.DumpMemoryUsage(oss, extended); |
Mathieu Chartier | ab972ef | 2014-12-03 17:38:22 -0800 | [diff] [blame] | 2617 | return oss.str(); |
| 2618 | } |
| 2619 | |
Jeff Hao | dcdc85b | 2015-12-04 14:06:18 -0800 | [diff] [blame] | 2620 | bool CompilerDriver::MayInlineInternal(const DexFile* inlined_from, |
| 2621 | const DexFile* inlined_into) const { |
| 2622 | // We're not allowed to inline across dex files if we're the no-inline-from dex file. |
| 2623 | if (inlined_from != inlined_into && |
Vladimir Marko | 47496c2 | 2016-01-27 16:15:08 +0000 | [diff] [blame] | 2624 | compiler_options_->GetNoInlineFromDexFile() != nullptr && |
| 2625 | ContainsElement(*compiler_options_->GetNoInlineFromDexFile(), inlined_from)) { |
Jeff Hao | dcdc85b | 2015-12-04 14:06:18 -0800 | [diff] [blame] | 2626 | return false; |
| 2627 | } |
| 2628 | |
| 2629 | return true; |
| 2630 | } |
| 2631 | |
Andreas Gampe | ace0dc1 | 2016-01-20 13:33:13 -0800 | [diff] [blame] | 2632 | void CompilerDriver::InitializeThreadPools() { |
| 2633 | size_t parallel_count = parallel_thread_count_ > 0 ? parallel_thread_count_ - 1 : 0; |
| 2634 | parallel_thread_pool_.reset( |
| 2635 | new ThreadPool("Compiler driver thread pool", parallel_count)); |
| 2636 | single_thread_pool_.reset(new ThreadPool("Single-threaded Compiler driver thread pool", 0)); |
| 2637 | } |
| 2638 | |
| 2639 | void CompilerDriver::FreeThreadPools() { |
| 2640 | parallel_thread_pool_.reset(); |
| 2641 | single_thread_pool_.reset(); |
| 2642 | } |
| 2643 | |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 2644 | } // namespace art |