Elliott Hughes | 2faa5f1 | 2012-01-30 14:42:07 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2011 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 16 | |
Brian Carlstrom | 578bbdc | 2011-07-21 14:07:47 -0700 | [diff] [blame] | 17 | #include "runtime.h" |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 18 | |
Brian Carlstrom | bd86bcc | 2013-03-10 20:26:16 -0700 | [diff] [blame] | 19 | // sys/mount.h has to come before linux/fs.h due to redefinition of MS_RDONLY, MS_BIND, etc |
| 20 | #include <sys/mount.h> |
| 21 | #include <linux/fs.h> |
| 22 | |
Brian Carlstrom | dbf05b7 | 2011-12-15 00:55:24 -0800 | [diff] [blame] | 23 | #include <signal.h> |
Elliott Hughes | d06a6c7 | 2012-05-30 17:59:06 -0700 | [diff] [blame] | 24 | #include <sys/syscall.h> |
Brian Carlstrom | dbf05b7 | 2011-12-15 00:55:24 -0800 | [diff] [blame] | 25 | |
Elliott Hughes | ffe6736 | 2011-07-17 12:09:27 -0700 | [diff] [blame] | 26 | #include <cstdio> |
| 27 | #include <cstdlib> |
Brian Carlstrom | 8a43659 | 2011-08-15 21:27:23 -0700 | [diff] [blame] | 28 | #include <limits> |
Carl Shapiro | 2ed144c | 2011-07-26 16:52:08 -0700 | [diff] [blame] | 29 | #include <vector> |
Dave Allison | 39c3bfb | 2014-01-28 18:33:52 -0800 | [diff] [blame] | 30 | #include <fcntl.h> |
Elliott Hughes | ffe6736 | 2011-07-17 12:09:27 -0700 | [diff] [blame] | 31 | |
Ian Rogers | 166db04 | 2013-07-26 12:05:57 -0700 | [diff] [blame] | 32 | #include "arch/arm/registers_arm.h" |
| 33 | #include "arch/mips/registers_mips.h" |
| 34 | #include "arch/x86/registers_x86.h" |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 35 | #include "arch/x86_64/registers_x86_64.h" |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 36 | #include "atomic.h" |
Brian Carlstrom | 578bbdc | 2011-07-21 14:07:47 -0700 | [diff] [blame] | 37 | #include "class_linker.h" |
Elliott Hughes | 3bb8156 | 2011-10-21 18:52:59 -0700 | [diff] [blame] | 38 | #include "debugger.h" |
Ian Rogers | 1d54e73 | 2013-05-02 21:10:01 -0700 | [diff] [blame] | 39 | #include "gc/accounting/card_table-inl.h" |
| 40 | #include "gc/heap.h" |
| 41 | #include "gc/space/space.h" |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 42 | #include "image.h" |
jeffhao | 725a957 | 2012-11-13 18:20:12 -0800 | [diff] [blame] | 43 | #include "instrumentation.h" |
Elliott Hughes | cf4c6c4 | 2011-09-01 15:16:42 -0700 | [diff] [blame] | 44 | #include "intern_table.h" |
Elliott Hughes | c5f7c91 | 2011-08-18 14:00:42 -0700 | [diff] [blame] | 45 | #include "jni_internal.h" |
Brian Carlstrom | ea46f95 | 2013-07-30 01:26:50 -0700 | [diff] [blame] | 46 | #include "mirror/art_field-inl.h" |
| 47 | #include "mirror/art_method-inl.h" |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 48 | #include "mirror/array.h" |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 49 | #include "mirror/class-inl.h" |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 50 | #include "mirror/class_loader.h" |
Mathieu Chartier | c528dba | 2013-11-26 12:00:11 -0800 | [diff] [blame] | 51 | #include "mirror/stack_trace_element.h" |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 52 | #include "mirror/throwable.h" |
Elliott Hughes | 32d6e1e | 2011-10-11 14:47:44 -0700 | [diff] [blame] | 53 | #include "monitor.h" |
Brian Carlstrom | 491ca9e | 2014-03-02 18:24:38 -0800 | [diff] [blame] | 54 | #include "parsed_options.h" |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 55 | #include "oat_file.h" |
Ian Rogers | 53b8b09 | 2014-03-13 23:45:53 -0700 | [diff] [blame] | 56 | #include "reflection.h" |
Elliott Hughes | 726079d | 2011-10-07 18:43:44 -0700 | [diff] [blame] | 57 | #include "ScopedLocalRef.h" |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 58 | #include "scoped_thread_state_change.h" |
Elliott Hughes | e27955c | 2011-08-26 15:21:24 -0700 | [diff] [blame] | 59 | #include "signal_catcher.h" |
Elliott Hughes | 457005c | 2012-04-16 13:54:25 -0700 | [diff] [blame] | 60 | #include "signal_set.h" |
Ian Rogers | 1f53934 | 2012-10-03 21:09:42 -0700 | [diff] [blame] | 61 | #include "sirt_ref.h" |
Brian Carlstrom | 578bbdc | 2011-07-21 14:07:47 -0700 | [diff] [blame] | 62 | #include "thread.h" |
Elliott Hughes | 8daa092 | 2011-09-11 13:46:25 -0700 | [diff] [blame] | 63 | #include "thread_list.h" |
jeffhao | b5e8185 | 2012-03-12 11:15:45 -0700 | [diff] [blame] | 64 | #include "trace.h" |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 65 | #include "transaction.h" |
Dave Allison | 0aded08 | 2013-11-07 13:15:11 -0800 | [diff] [blame] | 66 | #include "profiler.h" |
Elliott Hughes | 3bb8156 | 2011-10-21 18:52:59 -0700 | [diff] [blame] | 67 | #include "UniquePtr.h" |
Ian Rogers | 776ac1f | 2012-04-13 23:36:36 -0700 | [diff] [blame] | 68 | #include "verifier/method_verifier.h" |
Elliott Hughes | eac7667 | 2012-05-24 21:56:51 -0700 | [diff] [blame] | 69 | #include "well_known_classes.h" |
Carl Shapiro | 61e019d | 2011-07-14 16:53:09 -0700 | [diff] [blame] | 70 | |
Brian Carlstrom | 7934ac2 | 2013-07-26 10:54:15 -0700 | [diff] [blame] | 71 | #include "JniConstants.h" // Last to avoid LOG redefinition in ics-mr1-plus-art. |
Elliott Hughes | 90a3369 | 2011-08-30 13:27:07 -0700 | [diff] [blame] | 72 | |
Dave Allison | 39c3bfb | 2014-01-28 18:33:52 -0800 | [diff] [blame] | 73 | #ifdef HAVE_ANDROID_OS |
| 74 | #include "cutils/properties.h" |
| 75 | #endif |
| 76 | |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 77 | namespace art { |
| 78 | |
Carl Shapiro | 2ed144c | 2011-07-26 16:52:08 -0700 | [diff] [blame] | 79 | Runtime* Runtime::instance_ = NULL; |
| 80 | |
Elliott Hughes | dcc2474 | 2011-09-07 14:02:44 -0700 | [diff] [blame] | 81 | Runtime::Runtime() |
Vladimir Marko | 2b5eaa2 | 2013-12-13 13:59:30 +0000 | [diff] [blame] | 82 | : compiler_callbacks_(nullptr), |
Elliott Hughes | d9c67be | 2012-02-02 19:54:06 -0800 | [diff] [blame] | 83 | is_zygote_(false), |
Mathieu Chartier | 069387a | 2012-06-18 12:01:01 -0700 | [diff] [blame] | 84 | is_concurrent_gc_enabled_(true), |
Anwar Ghuloum | 8718359 | 2013-08-14 12:12:19 -0700 | [diff] [blame] | 85 | is_explicit_gc_disabled_(false), |
Elliott Hughes | 6cf2388 | 2012-06-15 15:42:07 -0700 | [diff] [blame] | 86 | default_stack_size_(0), |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 87 | heap_(nullptr), |
Ian Rogers | d9c4fc9 | 2013-10-01 19:45:43 -0700 | [diff] [blame] | 88 | max_spins_before_thin_lock_inflation_(Monitor::kDefaultMaxSpinsBeforeThinLockInflation), |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 89 | monitor_list_(nullptr), |
| 90 | monitor_pool_(nullptr), |
| 91 | thread_list_(nullptr), |
| 92 | intern_table_(nullptr), |
| 93 | class_linker_(nullptr), |
| 94 | signal_catcher_(nullptr), |
| 95 | java_vm_(nullptr), |
| 96 | pre_allocated_OutOfMemoryError_(nullptr), |
| 97 | resolution_method_(nullptr), |
| 98 | imt_conflict_method_(nullptr), |
| 99 | default_imt_(nullptr), |
Mathieu Chartier | 15d3402 | 2014-02-26 17:16:38 -0800 | [diff] [blame] | 100 | fault_message_lock_("Fault message lock"), |
| 101 | fault_message_(""), |
Ian Rogers | 719d1a3 | 2014-03-06 12:13:39 -0800 | [diff] [blame] | 102 | method_verifier_lock_("Method verifiers lock"), |
Ian Rogers | 120f1c7 | 2012-09-28 17:17:10 -0700 | [diff] [blame] | 103 | threads_being_born_(0), |
Ian Rogers | c604d73 | 2012-10-14 16:09:54 -0700 | [diff] [blame] | 104 | shutdown_cond_(new ConditionVariable("Runtime shutdown", *Locks::runtime_shutdown_lock_)), |
Elliott Hughes | 6b35575 | 2012-01-13 16:49:08 -0800 | [diff] [blame] | 105 | shutting_down_(false), |
Ian Rogers | 120f1c7 | 2012-09-28 17:17:10 -0700 | [diff] [blame] | 106 | shutting_down_started_(false), |
Elliott Hughes | dcc2474 | 2011-09-07 14:02:44 -0700 | [diff] [blame] | 107 | started_(false), |
Mathieu Chartier | 7664f5c | 2012-06-08 18:15:32 -0700 | [diff] [blame] | 108 | finished_starting_(false), |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 109 | vfprintf_(nullptr), |
| 110 | exit_(nullptr), |
| 111 | abort_(nullptr), |
jeffhao | 2692b57 | 2011-12-16 15:42:28 -0800 | [diff] [blame] | 112 | stats_enabled_(false), |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 113 | profile_(false), |
| 114 | profile_period_s_(0), |
| 115 | profile_duration_s_(0), |
| 116 | profile_interval_us_(0), |
| 117 | profile_backoff_coefficient_(0), |
| 118 | method_trace_(false), |
Ian Rogers | 776ac1f | 2012-04-13 23:36:36 -0700 | [diff] [blame] | 119 | method_trace_file_size_(0), |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 120 | instrumentation_(), |
Ian Rogers | 365c102 | 2012-06-22 15:05:28 -0700 | [diff] [blame] | 121 | use_compile_time_class_path_(false), |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 122 | main_thread_group_(nullptr), |
| 123 | system_thread_group_(nullptr), |
| 124 | system_class_loader_(nullptr), |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 125 | dump_gc_performance_on_shutdown_(false), |
Dave Allison | b373e09 | 2014-02-20 16:06:36 -0800 | [diff] [blame] | 126 | preinitialization_transaction(nullptr), |
| 127 | null_pointer_handler_(nullptr), |
| 128 | suspend_handler_(nullptr), |
| 129 | stack_overflow_handler_(nullptr) { |
Ian Rogers | 4f0d07c | 2011-10-06 23:38:47 -0700 | [diff] [blame] | 130 | for (int i = 0; i < Runtime::kLastCalleeSaveType; i++) { |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 131 | callee_save_methods_[i] = nullptr; |
Ian Rogers | 4f0d07c | 2011-10-06 23:38:47 -0700 | [diff] [blame] | 132 | } |
Elliott Hughes | dcc2474 | 2011-09-07 14:02:44 -0700 | [diff] [blame] | 133 | } |
| 134 | |
Carl Shapiro | 61e019d | 2011-07-14 16:53:09 -0700 | [diff] [blame] | 135 | Runtime::~Runtime() { |
Hiroshi Yamauchi | 2e899a9 | 2013-11-22 16:50:12 -0800 | [diff] [blame] | 136 | if (dump_gc_performance_on_shutdown_) { |
| 137 | // This can't be called from the Heap destructor below because it |
| 138 | // could call RosAlloc::InspectAll() which needs the thread_list |
| 139 | // to be still alive. |
| 140 | heap_->DumpGcPerformanceInfo(LOG(INFO)); |
| 141 | } |
| 142 | |
Ian Rogers | 120f1c7 | 2012-09-28 17:17:10 -0700 | [diff] [blame] | 143 | Thread* self = Thread::Current(); |
| 144 | { |
| 145 | MutexLock mu(self, *Locks::runtime_shutdown_lock_); |
| 146 | shutting_down_started_ = true; |
| 147 | while (threads_being_born_ > 0) { |
Ian Rogers | c604d73 | 2012-10-14 16:09:54 -0700 | [diff] [blame] | 148 | shutdown_cond_->Wait(self); |
Ian Rogers | 120f1c7 | 2012-09-28 17:17:10 -0700 | [diff] [blame] | 149 | } |
| 150 | shutting_down_ = true; |
| 151 | } |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 152 | Trace::Shutdown(); |
jeffhao | b5e8185 | 2012-03-12 11:15:45 -0700 | [diff] [blame] | 153 | |
Mathieu Chartier | a639903 | 2012-06-11 18:49:50 -0700 | [diff] [blame] | 154 | // Make sure to let the GC complete if it is running. |
Mathieu Chartier | 590fee9 | 2013-09-13 13:46:47 -0700 | [diff] [blame] | 155 | heap_->WaitForGcToComplete(self); |
Mathieu Chartier | 35883cc | 2012-11-13 14:08:12 -0800 | [diff] [blame] | 156 | heap_->DeleteThreadPool(); |
Mathieu Chartier | a639903 | 2012-06-11 18:49:50 -0700 | [diff] [blame] | 157 | |
Elliott Hughes | 5fe594f | 2011-09-08 12:33:17 -0700 | [diff] [blame] | 158 | // Make sure our internal threads are dead before we start tearing down things they're using. |
Elliott Hughes | e52e49b | 2012-04-02 16:05:44 -0700 | [diff] [blame] | 159 | Dbg::StopJdwp(); |
Elliott Hughes | 5fe594f | 2011-09-08 12:33:17 -0700 | [diff] [blame] | 160 | delete signal_catcher_; |
| 161 | |
Elliott Hughes | 038a806 | 2011-09-18 14:12:41 -0700 | [diff] [blame] | 162 | // Make sure all other non-daemon threads have terminated, and all daemon threads are suspended. |
Elliott Hughes | 93e74e8 | 2011-09-13 11:07:03 -0700 | [diff] [blame] | 163 | delete thread_list_; |
Elliott Hughes | c33a32b | 2011-10-11 18:18:07 -0700 | [diff] [blame] | 164 | delete monitor_list_; |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 165 | delete monitor_pool_; |
Carl Shapiro | 61e019d | 2011-07-14 16:53:09 -0700 | [diff] [blame] | 166 | delete class_linker_; |
Elliott Hughes | b3bd5f0 | 2012-03-08 21:05:27 -0800 | [diff] [blame] | 167 | delete heap_; |
Elliott Hughes | cf4c6c4 | 2011-09-01 15:16:42 -0700 | [diff] [blame] | 168 | delete intern_table_; |
Elliott Hughes | c5f7c91 | 2011-08-18 14:00:42 -0700 | [diff] [blame] | 169 | delete java_vm_; |
Elliott Hughes | c1674ed | 2011-08-25 18:09:09 -0700 | [diff] [blame] | 170 | Thread::Shutdown(); |
Elliott Hughes | 7c6169d | 2012-05-02 16:11:48 -0700 | [diff] [blame] | 171 | QuasiAtomic::Shutdown(); |
Sebastien Hertz | 4d4adb1 | 2013-07-24 16:14:19 +0200 | [diff] [blame] | 172 | verifier::MethodVerifier::Shutdown(); |
Carl Shapiro | 4acf464 | 2011-07-26 18:54:13 -0700 | [diff] [blame] | 173 | // TODO: acquire a static mutex on Runtime to avoid racing. |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 174 | CHECK(instance_ == nullptr || instance_ == this); |
| 175 | instance_ = nullptr; |
Dave Allison | b373e09 | 2014-02-20 16:06:36 -0800 | [diff] [blame] | 176 | |
| 177 | delete null_pointer_handler_; |
| 178 | delete suspend_handler_; |
| 179 | delete stack_overflow_handler_; |
Carl Shapiro | 61e019d | 2011-07-14 16:53:09 -0700 | [diff] [blame] | 180 | } |
| 181 | |
Elliott Hughes | e091855 | 2011-10-28 17:18:29 -0700 | [diff] [blame] | 182 | struct AbortState { |
| 183 | void Dump(std::ostream& os) { |
Ian Rogers | f08e473 | 2013-04-09 09:45:49 -0700 | [diff] [blame] | 184 | if (gAborting > 1) { |
Elliott Hughes | cac6cc7 | 2011-11-03 20:31:21 -0700 | [diff] [blame] | 185 | os << "Runtime aborting --- recursively, so no thread-specific detail!\n"; |
| 186 | return; |
| 187 | } |
Ian Rogers | f08e473 | 2013-04-09 09:45:49 -0700 | [diff] [blame] | 188 | gAborting++; |
Elliott Hughes | e091855 | 2011-10-28 17:18:29 -0700 | [diff] [blame] | 189 | os << "Runtime aborting...\n"; |
Elliott Hughes | 6c7d244 | 2012-02-01 18:40:47 -0800 | [diff] [blame] | 190 | if (Runtime::Current() == NULL) { |
| 191 | os << "(Runtime does not yet exist!)\n"; |
| 192 | return; |
| 193 | } |
Elliott Hughes | e091855 | 2011-10-28 17:18:29 -0700 | [diff] [blame] | 194 | Thread* self = Thread::Current(); |
| 195 | if (self == NULL) { |
| 196 | os << "(Aborting thread was not attached to runtime!)\n"; |
| 197 | } else { |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 198 | // TODO: we're aborting and the ScopedObjectAccess may attempt to acquire the mutator_lock_ |
| 199 | // which may block indefinitely if there's a misbehaving thread holding it exclusively. |
| 200 | // The code below should be made robust to this. |
| 201 | ScopedObjectAccess soa(self); |
Ian Rogers | 2f7f9b6 | 2012-10-10 18:24:05 -0700 | [diff] [blame] | 202 | os << "Aborting thread:\n"; |
Elliott Hughes | 899e789 | 2012-01-24 14:57:32 -0800 | [diff] [blame] | 203 | self->Dump(os); |
| 204 | if (self->IsExceptionPending()) { |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 205 | ThrowLocation throw_location; |
| 206 | mirror::Throwable* exception = self->GetException(&throw_location); |
| 207 | os << "Pending exception " << PrettyTypeOf(exception) |
Ian Rogers | bc93966 | 2013-08-15 10:26:54 -0700 | [diff] [blame] | 208 | << " thrown by '" << throw_location.Dump() << "'\n" |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 209 | << exception->Dump(); |
Elliott Hughes | 899e789 | 2012-01-24 14:57:32 -0800 | [diff] [blame] | 210 | } |
Elliott Hughes | e091855 | 2011-10-28 17:18:29 -0700 | [diff] [blame] | 211 | } |
Ian Rogers | 2f7f9b6 | 2012-10-10 18:24:05 -0700 | [diff] [blame] | 212 | DumpAllThreads(os, self); |
| 213 | } |
| 214 | |
| 215 | void DumpAllThreads(std::ostream& os, Thread* self) NO_THREAD_SAFETY_ANALYSIS { |
| 216 | bool tll_already_held = Locks::thread_list_lock_->IsExclusiveHeld(self); |
| 217 | bool ml_already_held = Locks::mutator_lock_->IsSharedHeld(self); |
Ian Rogers | fbd2291 | 2012-10-12 14:21:10 -0700 | [diff] [blame] | 218 | if (!tll_already_held || !ml_already_held) { |
| 219 | os << "Dumping all threads without appropriate locks held:" |
| 220 | << (!tll_already_held ? " thread list lock" : "") |
Ian Rogers | 2fa6b2e | 2012-10-17 00:10:17 -0700 | [diff] [blame] | 221 | << (!ml_already_held ? " mutator lock" : "") |
| 222 | << "\n"; |
Ian Rogers | 2f7f9b6 | 2012-10-10 18:24:05 -0700 | [diff] [blame] | 223 | } |
Ian Rogers | fbd2291 | 2012-10-12 14:21:10 -0700 | [diff] [blame] | 224 | os << "All threads:\n"; |
| 225 | Runtime::Current()->GetThreadList()->DumpLocked(os); |
Elliott Hughes | e091855 | 2011-10-28 17:18:29 -0700 | [diff] [blame] | 226 | } |
| 227 | }; |
| 228 | |
Elliott Hughes | 8593fdb | 2012-04-21 20:53:44 -0700 | [diff] [blame] | 229 | void Runtime::Abort() { |
Ian Rogers | f08e473 | 2013-04-09 09:45:49 -0700 | [diff] [blame] | 230 | gAborting++; // set before taking any locks |
Brian Carlstrom | 81b8871 | 2012-11-05 19:21:30 -0800 | [diff] [blame] | 231 | |
Elliott Hughes | 131aef8 | 2012-01-27 11:53:35 -0800 | [diff] [blame] | 232 | // Ensure that we don't have multiple threads trying to abort at once, |
| 233 | // which would result in significantly worse diagnostics. |
Ian Rogers | 50b35e2 | 2012-10-04 10:09:15 -0700 | [diff] [blame] | 234 | MutexLock mu(Thread::Current(), *Locks::abort_lock_); |
Elliott Hughes | 131aef8 | 2012-01-27 11:53:35 -0800 | [diff] [blame] | 235 | |
Elliott Hughes | ffe6736 | 2011-07-17 12:09:27 -0700 | [diff] [blame] | 236 | // Get any pending output out of the way. |
| 237 | fflush(NULL); |
| 238 | |
| 239 | // Many people have difficulty distinguish aborts from crashes, |
| 240 | // so be explicit. |
Elliott Hughes | e091855 | 2011-10-28 17:18:29 -0700 | [diff] [blame] | 241 | AbortState state; |
Elliott Hughes | 9ee5f9c | 2012-02-03 18:33:16 -0800 | [diff] [blame] | 242 | LOG(INTERNAL_FATAL) << Dumpable<AbortState>(state); |
Elliott Hughes | ffe6736 | 2011-07-17 12:09:27 -0700 | [diff] [blame] | 243 | |
Elliott Hughes | 8593fdb | 2012-04-21 20:53:44 -0700 | [diff] [blame] | 244 | // Call the abort hook if we have one. |
Brian Carlstrom | 6ea095a | 2011-08-16 15:26:54 -0700 | [diff] [blame] | 245 | if (Runtime::Current() != NULL && Runtime::Current()->abort_ != NULL) { |
Elliott Hughes | 6c1c69e | 2012-04-23 16:12:51 -0700 | [diff] [blame] | 246 | LOG(INTERNAL_FATAL) << "Calling abort hook..."; |
Brian Carlstrom | 6ea095a | 2011-08-16 15:26:54 -0700 | [diff] [blame] | 247 | Runtime::Current()->abort_(); |
| 248 | // notreached |
Elliott Hughes | 6c1c69e | 2012-04-23 16:12:51 -0700 | [diff] [blame] | 249 | LOG(INTERNAL_FATAL) << "Unexpectedly returned from abort hook!"; |
Brian Carlstrom | 6ea095a | 2011-08-16 15:26:54 -0700 | [diff] [blame] | 250 | } |
| 251 | |
Elliott Hughes | dd623db | 2013-06-11 11:20:23 -0700 | [diff] [blame] | 252 | #if defined(__GLIBC__) |
Elliott Hughes | d06a6c7 | 2012-05-30 17:59:06 -0700 | [diff] [blame] | 253 | // TODO: we ought to be able to use pthread_kill(3) here (or abort(3), |
| 254 | // which POSIX defines in terms of raise(3), which POSIX defines in terms |
| 255 | // of pthread_kill(3)). On Linux, though, libcorkscrew can't unwind through |
| 256 | // libpthread, which means the stacks we dump would be useless. Calling |
| 257 | // tgkill(2) directly avoids that. |
| 258 | syscall(__NR_tgkill, getpid(), GetTid(), SIGABRT); |
Elliott Hughes | dd623db | 2013-06-11 11:20:23 -0700 | [diff] [blame] | 259 | // TODO: LLVM installs it's own SIGABRT handler so exit to be safe... Can we disable that in LLVM? |
| 260 | // If not, we could use sigaction(3) before calling tgkill(2) and lose this call to exit(3). |
Brian Carlstrom | 700c8d3 | 2012-11-05 10:42:02 -0800 | [diff] [blame] | 261 | exit(1); |
Elliott Hughes | dd623db | 2013-06-11 11:20:23 -0700 | [diff] [blame] | 262 | #else |
| 263 | abort(); |
Elliott Hughes | d06a6c7 | 2012-05-30 17:59:06 -0700 | [diff] [blame] | 264 | #endif |
Elliott Hughes | ffe6736 | 2011-07-17 12:09:27 -0700 | [diff] [blame] | 265 | // notreached |
| 266 | } |
| 267 | |
Mathieu Chartier | cc236d7 | 2012-07-20 10:29:05 -0700 | [diff] [blame] | 268 | bool Runtime::PreZygoteFork() { |
| 269 | heap_->PreZygoteFork(); |
| 270 | return true; |
| 271 | } |
| 272 | |
Elliott Hughes | bf86d04 | 2011-08-31 17:53:14 -0700 | [diff] [blame] | 273 | void Runtime::CallExitHook(jint status) { |
| 274 | if (exit_ != NULL) { |
Elliott Hughes | 34e0696 | 2012-04-09 13:55:55 -0700 | [diff] [blame] | 275 | ScopedThreadStateChange tsc(Thread::Current(), kNative); |
Elliott Hughes | bf86d04 | 2011-08-31 17:53:14 -0700 | [diff] [blame] | 276 | exit_(status); |
| 277 | LOG(WARNING) << "Exit hook returned instead of exiting!"; |
| 278 | } |
| 279 | } |
| 280 | |
Mathieu Chartier | 83c8ee0 | 2014-01-28 14:50:23 -0800 | [diff] [blame] | 281 | void Runtime::SweepSystemWeaks(IsMarkedCallback* visitor, void* arg) { |
Mathieu Chartier | 6aa3df9 | 2013-09-17 15:17:28 -0700 | [diff] [blame] | 282 | GetInternTable()->SweepInternTableWeaks(visitor, arg); |
| 283 | GetMonitorList()->SweepMonitorList(visitor, arg); |
| 284 | GetJavaVM()->SweepJniWeakGlobals(visitor, arg); |
Mathieu Chartier | 412c7fc | 2014-02-07 12:18:39 -0800 | [diff] [blame] | 285 | Dbg::UpdateObjectPointers(visitor, arg); |
Mathieu Chartier | 6aa3df9 | 2013-09-17 15:17:28 -0700 | [diff] [blame] | 286 | } |
| 287 | |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 288 | bool Runtime::Create(const Options& options, bool ignore_unrecognized) { |
Carl Shapiro | 2ed144c | 2011-07-26 16:52:08 -0700 | [diff] [blame] | 289 | // TODO: acquire a static mutex on Runtime to avoid racing. |
| 290 | if (Runtime::instance_ != NULL) { |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 291 | return false; |
Carl Shapiro | 2ed144c | 2011-07-26 16:52:08 -0700 | [diff] [blame] | 292 | } |
Brian Carlstrom | 7934ac2 | 2013-07-26 10:54:15 -0700 | [diff] [blame] | 293 | InitLogging(NULL); // Calls Locks::Init() as a side effect. |
Elliott Hughes | dcc2474 | 2011-09-07 14:02:44 -0700 | [diff] [blame] | 294 | instance_ = new Runtime; |
| 295 | if (!instance_->Init(options, ignore_unrecognized)) { |
| 296 | delete instance_; |
| 297 | instance_ = NULL; |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 298 | return false; |
Carl Shapiro | 61e019d | 2011-07-14 16:53:09 -0700 | [diff] [blame] | 299 | } |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 300 | return true; |
Brian Carlstrom | 69b15fb | 2011-09-03 12:25:21 -0700 | [diff] [blame] | 301 | } |
Elliott Hughes | 0af5543 | 2011-08-17 18:37:28 -0700 | [diff] [blame] | 302 | |
Brian Carlstrom | ce88853 | 2013-10-10 00:32:58 -0700 | [diff] [blame] | 303 | jobject CreateSystemClassLoader() { |
Elliott Hughes | b3bd5f0 | 2012-03-08 21:05:27 -0800 | [diff] [blame] | 304 | if (Runtime::Current()->UseCompileTimeClassPath()) { |
Brian Carlstrom | ce88853 | 2013-10-10 00:32:58 -0700 | [diff] [blame] | 305 | return NULL; |
Brian Carlstrom | aded5f7 | 2011-10-07 17:15:04 -0700 | [diff] [blame] | 306 | } |
| 307 | |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 308 | ScopedObjectAccess soa(Thread::Current()); |
Mathieu Chartier | c528dba | 2013-11-26 12:00:11 -0800 | [diff] [blame] | 309 | ClassLinker* cl = Runtime::Current()->GetClassLinker(); |
Brian Carlstrom | aded5f7 | 2011-10-07 17:15:04 -0700 | [diff] [blame] | 310 | |
Mathieu Chartier | c528dba | 2013-11-26 12:00:11 -0800 | [diff] [blame] | 311 | SirtRef<mirror::Class> class_loader_class( |
| 312 | soa.Self(), soa.Decode<mirror::Class*>(WellKnownClasses::java_lang_ClassLoader)); |
| 313 | CHECK(cl->EnsureInitialized(class_loader_class, true, true)); |
Brian Carlstrom | aded5f7 | 2011-10-07 17:15:04 -0700 | [diff] [blame] | 314 | |
Brian Carlstrom | ea46f95 | 2013-07-30 01:26:50 -0700 | [diff] [blame] | 315 | mirror::ArtMethod* getSystemClassLoader = |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 316 | class_loader_class->FindDirectMethod("getSystemClassLoader", "()Ljava/lang/ClassLoader;"); |
Brian Carlstrom | df14324 | 2011-10-10 18:05:34 -0700 | [diff] [blame] | 317 | CHECK(getSystemClassLoader != NULL); |
Brian Carlstrom | aded5f7 | 2011-10-07 17:15:04 -0700 | [diff] [blame] | 318 | |
Ian Rogers | 53b8b09 | 2014-03-13 23:45:53 -0700 | [diff] [blame] | 319 | JValue result = InvokeWithJValues(soa, nullptr, soa.EncodeMethod(getSystemClassLoader), nullptr); |
Mathieu Chartier | c528dba | 2013-11-26 12:00:11 -0800 | [diff] [blame] | 320 | SirtRef<mirror::ClassLoader> class_loader(soa.Self(), |
| 321 | down_cast<mirror::ClassLoader*>(result.GetL())); |
| 322 | CHECK(class_loader.get() != nullptr); |
Brian Carlstrom | ce88853 | 2013-10-10 00:32:58 -0700 | [diff] [blame] | 323 | JNIEnv* env = soa.Self()->GetJniEnv(); |
Mathieu Chartier | c528dba | 2013-11-26 12:00:11 -0800 | [diff] [blame] | 324 | ScopedLocalRef<jobject> system_class_loader(env, |
| 325 | soa.AddLocalReference<jobject>(class_loader.get())); |
| 326 | CHECK(system_class_loader.get() != nullptr); |
Brian Carlstrom | ce88853 | 2013-10-10 00:32:58 -0700 | [diff] [blame] | 327 | |
Mathieu Chartier | c528dba | 2013-11-26 12:00:11 -0800 | [diff] [blame] | 328 | soa.Self()->SetClassLoaderOverride(class_loader.get()); |
Ian Rogers | 365c102 | 2012-06-22 15:05:28 -0700 | [diff] [blame] | 329 | |
Brian Carlstrom | 491ca9e | 2014-03-02 18:24:38 -0800 | [diff] [blame] | 330 | SirtRef<mirror::Class> thread_class( |
| 331 | soa.Self(), |
| 332 | soa.Decode<mirror::Class*>(WellKnownClasses::java_lang_Thread)); |
Mathieu Chartier | c528dba | 2013-11-26 12:00:11 -0800 | [diff] [blame] | 333 | CHECK(cl->EnsureInitialized(thread_class, true, true)); |
Ian Rogers | 365c102 | 2012-06-22 15:05:28 -0700 | [diff] [blame] | 334 | |
Mathieu Chartier | c528dba | 2013-11-26 12:00:11 -0800 | [diff] [blame] | 335 | mirror::ArtField* contextClassLoader = |
| 336 | thread_class->FindDeclaredInstanceField("contextClassLoader", "Ljava/lang/ClassLoader;"); |
Jesse Wilson | 1b2b2f2 | 2011-11-22 11:47:44 -0500 | [diff] [blame] | 337 | CHECK(contextClassLoader != NULL); |
Ian Rogers | 365c102 | 2012-06-22 15:05:28 -0700 | [diff] [blame] | 338 | |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 339 | // We can't run in a transaction yet. |
| 340 | contextClassLoader->SetObject<false>(soa.Self()->GetPeer(), class_loader.get()); |
Brian Carlstrom | ce88853 | 2013-10-10 00:32:58 -0700 | [diff] [blame] | 341 | |
| 342 | return env->NewGlobalRef(system_class_loader.get()); |
Brian Carlstrom | aded5f7 | 2011-10-07 17:15:04 -0700 | [diff] [blame] | 343 | } |
| 344 | |
Brian Carlstrom | bd86bcc | 2013-03-10 20:26:16 -0700 | [diff] [blame] | 345 | bool Runtime::Start() { |
Elliott Hughes | 4dd9b4d | 2011-12-12 18:29:24 -0800 | [diff] [blame] | 346 | VLOG(startup) << "Runtime::Start entering"; |
Brian Carlstrom | 58ae941 | 2011-10-04 00:56:06 -0700 | [diff] [blame] | 347 | |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 348 | // Restore main thread state to kNative as expected by native code. |
Ian Rogers | a436fde | 2013-08-27 23:34:06 -0700 | [diff] [blame] | 349 | Thread* self = Thread::Current(); |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 350 | self->TransitionFromRunnableToSuspended(kNative); |
| 351 | |
Brian Carlstrom | 5d40f18 | 2011-09-26 22:29:18 -0700 | [diff] [blame] | 352 | started_ = true; |
| 353 | |
Brian Carlstrom | ae82698 | 2011-11-09 01:33:42 -0800 | [diff] [blame] | 354 | // InitNativeMethods needs to be after started_ so that the classes |
| 355 | // it touches will have methods linked to the oat file if necessary. |
| 356 | InitNativeMethods(); |
| 357 | |
Ian Rogers | 365c102 | 2012-06-22 15:05:28 -0700 | [diff] [blame] | 358 | // Initialize well known thread group values that may be accessed threads while attaching. |
| 359 | InitThreadGroups(self); |
| 360 | |
Jesse Wilson | 9a6bae8 | 2011-11-14 14:57:30 -0500 | [diff] [blame] | 361 | Thread::FinishStartup(); |
| 362 | |
Brian Carlstrom | bd86bcc | 2013-03-10 20:26:16 -0700 | [diff] [blame] | 363 | if (is_zygote_) { |
| 364 | if (!InitZygote()) { |
| 365 | return false; |
| 366 | } |
| 367 | } else { |
Elliott Hughes | d1cc836 | 2011-10-24 16:58:50 -0700 | [diff] [blame] | 368 | DidForkFromZygote(); |
| 369 | } |
Elliott Hughes | 9ca7a1f | 2011-10-11 14:29:52 -0700 | [diff] [blame] | 370 | |
Elliott Hughes | 85d1545 | 2011-09-16 17:33:01 -0700 | [diff] [blame] | 371 | StartDaemonThreads(); |
Brian Carlstrom | 0a5b14d | 2011-09-27 13:29:15 -0700 | [diff] [blame] | 372 | |
Brian Carlstrom | ce88853 | 2013-10-10 00:32:58 -0700 | [diff] [blame] | 373 | system_class_loader_ = CreateSystemClassLoader(); |
Brian Carlstrom | aded5f7 | 2011-10-07 17:15:04 -0700 | [diff] [blame] | 374 | |
Elliott Hughes | 225f5a1 | 2012-06-11 11:23:48 -0700 | [diff] [blame] | 375 | self->GetJniEnv()->locals.AssertEmpty(); |
Elliott Hughes | 726079d | 2011-10-07 18:43:44 -0700 | [diff] [blame] | 376 | |
Elliott Hughes | 4dd9b4d | 2011-12-12 18:29:24 -0800 | [diff] [blame] | 377 | VLOG(startup) << "Runtime::Start exiting"; |
Mathieu Chartier | 7664f5c | 2012-06-08 18:15:32 -0700 | [diff] [blame] | 378 | |
| 379 | finished_starting_ = true; |
Brian Carlstrom | bd86bcc | 2013-03-10 20:26:16 -0700 | [diff] [blame] | 380 | |
Dave Allison | 0aded08 | 2013-11-07 13:15:11 -0800 | [diff] [blame] | 381 | if (profile_) { |
| 382 | // User has asked for a profile using -Xprofile |
Dave Allison | 39c3bfb | 2014-01-28 18:33:52 -0800 | [diff] [blame] | 383 | // Create the profile file if it doesn't exist. |
| 384 | int fd = open(profile_output_filename_.c_str(), O_RDWR|O_CREAT|O_EXCL, 0660); |
| 385 | if (fd >= 0) { |
| 386 | close(fd); |
| 387 | } |
| 388 | StartProfiler(profile_output_filename_.c_str(), "", true); |
Dave Allison | 0aded08 | 2013-11-07 13:15:11 -0800 | [diff] [blame] | 389 | } |
| 390 | |
Brian Carlstrom | bd86bcc | 2013-03-10 20:26:16 -0700 | [diff] [blame] | 391 | return true; |
Elliott Hughes | 85d1545 | 2011-09-16 17:33:01 -0700 | [diff] [blame] | 392 | } |
| 393 | |
Ian Rogers | 120f1c7 | 2012-09-28 17:17:10 -0700 | [diff] [blame] | 394 | void Runtime::EndThreadBirth() EXCLUSIVE_LOCKS_REQUIRED(Locks::runtime_shutdown_lock_) { |
| 395 | DCHECK_GT(threads_being_born_, 0U); |
| 396 | threads_being_born_--; |
| 397 | if (shutting_down_started_ && threads_being_born_ == 0) { |
Ian Rogers | c604d73 | 2012-10-14 16:09:54 -0700 | [diff] [blame] | 398 | shutdown_cond_->Broadcast(Thread::Current()); |
Ian Rogers | 120f1c7 | 2012-09-28 17:17:10 -0700 | [diff] [blame] | 399 | } |
| 400 | } |
| 401 | |
Brian Carlstrom | bd86bcc | 2013-03-10 20:26:16 -0700 | [diff] [blame] | 402 | // Do zygote-mode-only initialization. |
| 403 | bool Runtime::InitZygote() { |
| 404 | // zygote goes into its own process group |
Brian Carlstrom | b1eba21 | 2013-07-17 18:07:19 -0700 | [diff] [blame] | 405 | setpgid(0, 0); |
Brian Carlstrom | bd86bcc | 2013-03-10 20:26:16 -0700 | [diff] [blame] | 406 | |
| 407 | // See storage config details at http://source.android.com/tech/storage/ |
| 408 | // Create private mount namespace shared by all children |
| 409 | if (unshare(CLONE_NEWNS) == -1) { |
| 410 | PLOG(WARNING) << "Failed to unshare()"; |
| 411 | return false; |
| 412 | } |
| 413 | |
| 414 | // Mark rootfs as being a slave so that changes from default |
| 415 | // namespace only flow into our children. |
| 416 | if (mount("rootfs", "/", NULL, (MS_SLAVE | MS_REC), NULL) == -1) { |
| 417 | PLOG(WARNING) << "Failed to mount() rootfs as MS_SLAVE"; |
| 418 | return false; |
| 419 | } |
| 420 | |
| 421 | // Create a staging tmpfs that is shared by our children; they will |
| 422 | // bind mount storage into their respective private namespaces, which |
| 423 | // are isolated from each other. |
| 424 | const char* target_base = getenv("EMULATED_STORAGE_TARGET"); |
| 425 | if (target_base != NULL) { |
| 426 | if (mount("tmpfs", target_base, "tmpfs", MS_NOSUID | MS_NODEV, |
Jeff Sharkey | 52cd1e8 | 2013-09-17 16:25:12 -0700 | [diff] [blame] | 427 | "uid=0,gid=1028,mode=0751") == -1) { |
Brian Carlstrom | bd86bcc | 2013-03-10 20:26:16 -0700 | [diff] [blame] | 428 | LOG(WARNING) << "Failed to mount tmpfs to " << target_base; |
| 429 | return false; |
| 430 | } |
| 431 | } |
| 432 | |
| 433 | return true; |
| 434 | } |
| 435 | |
Brian Carlstrom | caabb1b | 2011-10-11 18:09:13 -0700 | [diff] [blame] | 436 | void Runtime::DidForkFromZygote() { |
Brian Carlstrom | caabb1b | 2011-10-11 18:09:13 -0700 | [diff] [blame] | 437 | is_zygote_ = false; |
Elliott Hughes | d1cc836 | 2011-10-24 16:58:50 -0700 | [diff] [blame] | 438 | |
Mathieu Chartier | 02b6a78 | 2012-10-26 13:51:26 -0700 | [diff] [blame] | 439 | // Create the thread pool. |
| 440 | heap_->CreateThreadPool(); |
| 441 | |
Brian Carlstrom | caabb1b | 2011-10-11 18:09:13 -0700 | [diff] [blame] | 442 | StartSignalCatcher(); |
Elliott Hughes | d1cc836 | 2011-10-24 16:58:50 -0700 | [diff] [blame] | 443 | |
| 444 | // Start the JDWP thread. If the command-line debugger flags specified "suspend=y", |
| 445 | // this will pause the runtime, so we probably want this to come last. |
| 446 | Dbg::StartJdwp(); |
Brian Carlstrom | caabb1b | 2011-10-11 18:09:13 -0700 | [diff] [blame] | 447 | } |
| 448 | |
| 449 | void Runtime::StartSignalCatcher() { |
| 450 | if (!is_zygote_) { |
Elliott Hughes | 94ce37a | 2011-10-18 15:07:48 -0700 | [diff] [blame] | 451 | signal_catcher_ = new SignalCatcher(stack_trace_file_); |
Brian Carlstrom | caabb1b | 2011-10-11 18:09:13 -0700 | [diff] [blame] | 452 | } |
| 453 | } |
| 454 | |
Mathieu Chartier | 590fee9 | 2013-09-13 13:46:47 -0700 | [diff] [blame] | 455 | bool Runtime::IsShuttingDown(Thread* self) { |
| 456 | MutexLock mu(self, *Locks::runtime_shutdown_lock_); |
| 457 | return IsShuttingDownLocked(); |
| 458 | } |
| 459 | |
Elliott Hughes | 85d1545 | 2011-09-16 17:33:01 -0700 | [diff] [blame] | 460 | void Runtime::StartDaemonThreads() { |
Elliott Hughes | 4dd9b4d | 2011-12-12 18:29:24 -0800 | [diff] [blame] | 461 | VLOG(startup) << "Runtime::StartDaemonThreads entering"; |
Elliott Hughes | 85d1545 | 2011-09-16 17:33:01 -0700 | [diff] [blame] | 462 | |
Elliott Hughes | 719b323 | 2011-09-25 17:42:19 -0700 | [diff] [blame] | 463 | Thread* self = Thread::Current(); |
Brian Carlstrom | aded5f7 | 2011-10-07 17:15:04 -0700 | [diff] [blame] | 464 | |
| 465 | // Must be in the kNative state for calling native methods. |
Ian Rogers | 50b35e2 | 2012-10-04 10:09:15 -0700 | [diff] [blame] | 466 | CHECK_EQ(self->GetState(), kNative); |
Brian Carlstrom | aded5f7 | 2011-10-07 17:15:04 -0700 | [diff] [blame] | 467 | |
Elliott Hughes | 719b323 | 2011-09-25 17:42:19 -0700 | [diff] [blame] | 468 | JNIEnv* env = self->GetJniEnv(); |
Ian Rogers | 2fa6b2e | 2012-10-17 00:10:17 -0700 | [diff] [blame] | 469 | env->CallStaticVoidMethod(WellKnownClasses::java_lang_Daemons, |
| 470 | WellKnownClasses::java_lang_Daemons_start); |
| 471 | if (env->ExceptionCheck()) { |
| 472 | env->ExceptionDescribe(); |
| 473 | LOG(FATAL) << "Error starting java.lang.Daemons"; |
| 474 | } |
Elliott Hughes | 9ca7a1f | 2011-10-11 14:29:52 -0700 | [diff] [blame] | 475 | |
Elliott Hughes | 4dd9b4d | 2011-12-12 18:29:24 -0800 | [diff] [blame] | 476 | VLOG(startup) << "Runtime::StartDaemonThreads exiting"; |
Carl Shapiro | 61e019d | 2011-07-14 16:53:09 -0700 | [diff] [blame] | 477 | } |
| 478 | |
Elliott Hughes | 0af5543 | 2011-08-17 18:37:28 -0700 | [diff] [blame] | 479 | bool Runtime::Init(const Options& raw_options, bool ignore_unrecognized) { |
Elliott Hughes | c1674ed | 2011-08-25 18:09:09 -0700 | [diff] [blame] | 480 | CHECK_EQ(sysconf(_SC_PAGE_SIZE), kPageSize); |
Brian Carlstrom | 6ea095a | 2011-08-16 15:26:54 -0700 | [diff] [blame] | 481 | |
Elliott Hughes | 90a3369 | 2011-08-30 13:27:07 -0700 | [diff] [blame] | 482 | UniquePtr<ParsedOptions> options(ParsedOptions::Create(raw_options, ignore_unrecognized)); |
| 483 | if (options.get() == NULL) { |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 484 | LOG(ERROR) << "Failed to parse options"; |
Brian Carlstrom | 6ea095a | 2011-08-16 15:26:54 -0700 | [diff] [blame] | 485 | return false; |
| 486 | } |
Elliott Hughes | 4dd9b4d | 2011-12-12 18:29:24 -0800 | [diff] [blame] | 487 | VLOG(startup) << "Runtime::Init -verbose:startup enabled"; |
Elliott Hughes | 7ede61e | 2011-09-14 18:18:06 -0700 | [diff] [blame] | 488 | |
Elliott Hughes | 7c6169d | 2012-05-02 16:11:48 -0700 | [diff] [blame] | 489 | QuasiAtomic::Startup(); |
| 490 | |
Elliott Hughes | 4dd9b4d | 2011-12-12 18:29:24 -0800 | [diff] [blame] | 491 | Monitor::Init(options->lock_profiling_threshold_, options->hook_is_sensitive_thread_); |
Elliott Hughes | 32d6e1e | 2011-10-11 14:47:44 -0700 | [diff] [blame] | 492 | |
Brian Carlstrom | a004aa9 | 2012-02-08 18:05:09 -0800 | [diff] [blame] | 493 | boot_class_path_string_ = options->boot_class_path_string_; |
| 494 | class_path_string_ = options->class_path_string_; |
Elliott Hughes | 7ede61e | 2011-09-14 18:18:06 -0700 | [diff] [blame] | 495 | properties_ = options->properties_; |
| 496 | |
Vladimir Marko | 2b5eaa2 | 2013-12-13 13:59:30 +0000 | [diff] [blame] | 497 | compiler_callbacks_ = options->compiler_callbacks_; |
Elliott Hughes | 9ca7a1f | 2011-10-11 14:29:52 -0700 | [diff] [blame] | 498 | is_zygote_ = options->is_zygote_; |
Anwar Ghuloum | 8718359 | 2013-08-14 12:12:19 -0700 | [diff] [blame] | 499 | is_explicit_gc_disabled_ = options->is_explicit_gc_disabled_; |
Elliott Hughes | 9ca7a1f | 2011-10-11 14:29:52 -0700 | [diff] [blame] | 500 | |
Elliott Hughes | 0af5543 | 2011-08-17 18:37:28 -0700 | [diff] [blame] | 501 | vfprintf_ = options->hook_vfprintf_; |
| 502 | exit_ = options->hook_exit_; |
| 503 | abort_ = options->hook_abort_; |
Brian Carlstrom | 6ea095a | 2011-08-16 15:26:54 -0700 | [diff] [blame] | 504 | |
Elliott Hughes | be759c6 | 2011-09-08 19:38:21 -0700 | [diff] [blame] | 505 | default_stack_size_ = options->stack_size_; |
Elliott Hughes | 94ce37a | 2011-10-18 15:07:48 -0700 | [diff] [blame] | 506 | stack_trace_file_ = options->stack_trace_file_; |
Brian Carlstrom | 6ea095a | 2011-08-16 15:26:54 -0700 | [diff] [blame] | 507 | |
Brian Carlstrom | 2ec6520 | 2014-03-03 15:16:37 -0800 | [diff] [blame] | 508 | compiler_options_ = options->compiler_options_; |
| 509 | image_compiler_options_ = options->image_compiler_options_; |
| 510 | |
Ian Rogers | d9c4fc9 | 2013-10-01 19:45:43 -0700 | [diff] [blame] | 511 | max_spins_before_thin_lock_inflation_ = options->max_spins_before_thin_lock_inflation_; |
| 512 | |
Elliott Hughes | c33a32b | 2011-10-11 18:18:07 -0700 | [diff] [blame] | 513 | monitor_list_ = new MonitorList; |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 514 | monitor_pool_ = MonitorPool::Create(); |
Elliott Hughes | 4dd9b4d | 2011-12-12 18:29:24 -0800 | [diff] [blame] | 515 | thread_list_ = new ThreadList; |
Elliott Hughes | cf4c6c4 | 2011-09-01 15:16:42 -0700 | [diff] [blame] | 516 | intern_table_ = new InternTable; |
| 517 | |
Logan Chien | dd361c9 | 2012-04-10 23:40:37 +0800 | [diff] [blame] | 518 | |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 519 | if (options->interpreter_only_) { |
| 520 | GetInstrumentation()->ForceInterpretOnly(); |
| 521 | } |
| 522 | |
Dave Allison | b373e09 | 2014-02-20 16:06:36 -0800 | [diff] [blame] | 523 | if (options->explicit_checks_ != (ParsedOptions::kExplicitSuspendCheck | |
| 524 | ParsedOptions::kExplicitNullCheck | |
| 525 | ParsedOptions::kExplicitStackOverflowCheck)) { |
| 526 | // Initialize the fault manager. |
| 527 | fault_manager.Init(); |
| 528 | |
| 529 | // These need to be in a specific order. The null point check must be |
| 530 | // the last in the list. |
| 531 | if ((options->explicit_checks_ & ParsedOptions::kExplicitSuspendCheck) == 0) { |
| 532 | suspend_handler_ = new SuspensionHandler(&fault_manager); |
| 533 | } |
| 534 | |
| 535 | if ((options->explicit_checks_ & ParsedOptions::kExplicitStackOverflowCheck) == 0) { |
| 536 | stack_overflow_handler_ = new StackOverflowHandler(&fault_manager); |
| 537 | } |
| 538 | |
| 539 | if ((options->explicit_checks_ & ParsedOptions::kExplicitNullCheck) == 0) { |
| 540 | null_pointer_handler_ = new NullPointerHandler(&fault_manager); |
| 541 | } |
| 542 | } |
| 543 | |
Ian Rogers | 1d54e73 | 2013-05-02 21:10:01 -0700 | [diff] [blame] | 544 | heap_ = new gc::Heap(options->heap_initial_size_, |
| 545 | options->heap_growth_limit_, |
| 546 | options->heap_min_free_, |
| 547 | options->heap_max_free_, |
| 548 | options->heap_target_utilization_, |
| 549 | options->heap_maximum_size_, |
| 550 | options->image_, |
Mathieu Chartier | 0de9f73 | 2013-11-22 17:58:48 -0800 | [diff] [blame] | 551 | options->collector_type_, |
Mathieu Chartier | e6da9af | 2013-12-16 11:54:42 -0800 | [diff] [blame] | 552 | options->background_collector_type_, |
Mathieu Chartier | 2775ee4 | 2013-08-20 17:43:47 -0700 | [diff] [blame] | 553 | options->parallel_gc_threads_, |
| 554 | options->conc_gc_threads_, |
| 555 | options->low_memory_mode_, |
| 556 | options->long_pause_log_threshold_, |
| 557 | options->long_gc_log_threshold_, |
Mathieu Chartier | 692fafd | 2013-11-29 17:24:40 -0800 | [diff] [blame] | 558 | options->ignore_max_footprint_, |
Mathieu Chartier | 938a03b | 2014-01-16 15:10:31 -0800 | [diff] [blame] | 559 | options->use_tlab_, |
| 560 | options->verify_pre_gc_heap_, |
Hiroshi Yamauchi | a4adbfd | 2014-02-04 18:12:17 -0800 | [diff] [blame] | 561 | options->verify_post_gc_heap_, |
| 562 | options->verify_pre_gc_rosalloc_, |
| 563 | options->verify_post_gc_rosalloc_); |
Brian Carlstrom | 6ea095a | 2011-08-16 15:26:54 -0700 | [diff] [blame] | 564 | |
Hiroshi Yamauchi | 2e899a9 | 2013-11-22 16:50:12 -0800 | [diff] [blame] | 565 | dump_gc_performance_on_shutdown_ = options->dump_gc_performance_on_shutdown_; |
| 566 | |
Elliott Hughes | c1674ed | 2011-08-25 18:09:09 -0700 | [diff] [blame] | 567 | BlockSignals(); |
Elliott Hughes | 457005c | 2012-04-16 13:54:25 -0700 | [diff] [blame] | 568 | InitPlatformSignalHandlers(); |
Elliott Hughes | c1674ed | 2011-08-25 18:09:09 -0700 | [diff] [blame] | 569 | |
Elliott Hughes | a095764 | 2011-09-02 14:27:33 -0700 | [diff] [blame] | 570 | java_vm_ = new JavaVMExt(this, options.get()); |
Elliott Hughes | 515a5bc | 2011-08-17 11:08:34 -0700 | [diff] [blame] | 571 | |
Elliott Hughes | be759c6 | 2011-09-08 19:38:21 -0700 | [diff] [blame] | 572 | Thread::Startup(); |
Elliott Hughes | d92bec4 | 2011-09-02 17:04:36 -0700 | [diff] [blame] | 573 | |
Mathieu Chartier | 664bebf | 2012-11-12 16:54:11 -0800 | [diff] [blame] | 574 | // ClassLinker needs an attached thread, but we can't fully attach a thread without creating |
| 575 | // objects. We can't supply a thread group yet; it will be fixed later. Since we are the main |
| 576 | // thread, we do not get a java peer. |
| 577 | Thread* self = Thread::Attach("main", false, NULL, false); |
Ian Rogers | d9c4fc9 | 2013-10-01 19:45:43 -0700 | [diff] [blame] | 578 | CHECK_EQ(self->thin_lock_thread_id_, ThreadList::kMainThreadId); |
Ian Rogers | 120f1c7 | 2012-09-28 17:17:10 -0700 | [diff] [blame] | 579 | CHECK(self != NULL); |
Brian Carlstrom | 6ea095a | 2011-08-16 15:26:54 -0700 | [diff] [blame] | 580 | |
Brian Carlstrom | f28bc5b | 2011-10-26 01:15:03 -0700 | [diff] [blame] | 581 | // Set us to runnable so tools using a runtime can allocate and GC by default |
Ian Rogers | 120f1c7 | 2012-09-28 17:17:10 -0700 | [diff] [blame] | 582 | self->TransitionFromSuspendedToRunnable(); |
Brian Carlstrom | f28bc5b | 2011-10-26 01:15:03 -0700 | [diff] [blame] | 583 | |
Ian Rogers | a436fde | 2013-08-27 23:34:06 -0700 | [diff] [blame] | 584 | // Now we're attached, we can take the heap locks and validate the heap. |
Ian Rogers | 141d622 | 2012-04-05 12:23:06 -0700 | [diff] [blame] | 585 | GetHeap()->EnableObjectValidation(); |
| 586 | |
Ian Rogers | 1d54e73 | 2013-05-02 21:10:01 -0700 | [diff] [blame] | 587 | CHECK_GE(GetHeap()->GetContinuousSpaces().size(), 1U); |
Mathieu Chartier | 590fee9 | 2013-09-13 13:46:47 -0700 | [diff] [blame] | 588 | class_linker_ = new ClassLinker(intern_table_); |
| 589 | if (GetHeap()->HasImageSpace()) { |
| 590 | class_linker_->InitFromImage(); |
Brian Carlstrom | a004aa9 | 2012-02-08 18:05:09 -0800 | [diff] [blame] | 591 | } else { |
| 592 | CHECK(options->boot_class_path_ != NULL); |
| 593 | CHECK_NE(options->boot_class_path_->size(), 0U); |
Mathieu Chartier | 590fee9 | 2013-09-13 13:46:47 -0700 | [diff] [blame] | 594 | class_linker_->InitFromCompiler(*options->boot_class_path_); |
Brian Carlstrom | a004aa9 | 2012-02-08 18:05:09 -0800 | [diff] [blame] | 595 | } |
| 596 | CHECK(class_linker_ != NULL); |
Sameer Abu Asal | 51a5fb7 | 2013-02-19 14:25:01 -0800 | [diff] [blame] | 597 | verifier::MethodVerifier::Init(); |
Brian Carlstrom | 6ea095a | 2011-08-16 15:26:54 -0700 | [diff] [blame] | 598 | |
jeffhao | b5e8185 | 2012-03-12 11:15:45 -0700 | [diff] [blame] | 599 | method_trace_ = options->method_trace_; |
| 600 | method_trace_file_ = options->method_trace_file_; |
| 601 | method_trace_file_size_ = options->method_trace_file_size_; |
| 602 | |
Dave Allison | 0aded08 | 2013-11-07 13:15:11 -0800 | [diff] [blame] | 603 | // Extract the profile options. |
Brian Carlstrom | 491ca9e | 2014-03-02 18:24:38 -0800 | [diff] [blame] | 604 | // TODO: move into a Trace options struct? |
Dave Allison | 0aded08 | 2013-11-07 13:15:11 -0800 | [diff] [blame] | 605 | profile_period_s_ = options->profile_period_s_; |
| 606 | profile_duration_s_ = options->profile_duration_s_; |
| 607 | profile_interval_us_ = options->profile_interval_us_; |
| 608 | profile_backoff_coefficient_ = options->profile_backoff_coefficient_; |
| 609 | profile_ = options->profile_; |
| 610 | profile_output_filename_ = options->profile_output_filename_; |
Brian Carlstrom | 491ca9e | 2014-03-02 18:24:38 -0800 | [diff] [blame] | 611 | // TODO: move this to just be an Trace::Start argument |
| 612 | Trace::SetDefaultClockSource(options->profile_clock_source_); |
Dave Allison | 0aded08 | 2013-11-07 13:15:11 -0800 | [diff] [blame] | 613 | |
jeffhao | b5e8185 | 2012-03-12 11:15:45 -0700 | [diff] [blame] | 614 | if (options->method_trace_) { |
Jeff Hao | 23009dc | 2013-08-22 15:36:42 -0700 | [diff] [blame] | 615 | Trace::Start(options->method_trace_file_.c_str(), -1, options->method_trace_file_size_, 0, |
| 616 | false, false, 0); |
jeffhao | b5e8185 | 2012-03-12 11:15:45 -0700 | [diff] [blame] | 617 | } |
| 618 | |
Ian Rogers | a436fde | 2013-08-27 23:34:06 -0700 | [diff] [blame] | 619 | // Pre-allocate an OutOfMemoryError for the double-OOME case. |
| 620 | self->ThrowNewException(ThrowLocation(), "Ljava/lang/OutOfMemoryError;", |
Brian Carlstrom | 491ca9e | 2014-03-02 18:24:38 -0800 | [diff] [blame] | 621 | "OutOfMemoryError thrown while trying to throw OutOfMemoryError; " |
| 622 | "no stack available"); |
Ian Rogers | a436fde | 2013-08-27 23:34:06 -0700 | [diff] [blame] | 623 | pre_allocated_OutOfMemoryError_ = self->GetException(NULL); |
| 624 | self->ClearException(); |
| 625 | |
Elliott Hughes | 4dd9b4d | 2011-12-12 18:29:24 -0800 | [diff] [blame] | 626 | VLOG(startup) << "Runtime::Init exiting"; |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 627 | return true; |
| 628 | } |
| 629 | |
Elliott Hughes | 038a806 | 2011-09-18 14:12:41 -0700 | [diff] [blame] | 630 | void Runtime::InitNativeMethods() { |
Elliott Hughes | 4dd9b4d | 2011-12-12 18:29:24 -0800 | [diff] [blame] | 631 | VLOG(startup) << "Runtime::InitNativeMethods entering"; |
Elliott Hughes | ad7c2a3 | 2011-08-31 11:58:10 -0700 | [diff] [blame] | 632 | Thread* self = Thread::Current(); |
| 633 | JNIEnv* env = self->GetJniEnv(); |
| 634 | |
Elliott Hughes | 418d20f | 2011-09-22 14:00:39 -0700 | [diff] [blame] | 635 | // Must be in the kNative state for calling native methods (JNI_OnLoad code). |
Ian Rogers | 50b35e2 | 2012-10-04 10:09:15 -0700 | [diff] [blame] | 636 | CHECK_EQ(self->GetState(), kNative); |
Elliott Hughes | ad7c2a3 | 2011-08-31 11:58:10 -0700 | [diff] [blame] | 637 | |
Elliott Hughes | 418d20f | 2011-09-22 14:00:39 -0700 | [diff] [blame] | 638 | // First set up JniConstants, which is used by both the runtime's built-in native |
| 639 | // methods and libcore. |
Elliott Hughes | fea966e | 2011-09-22 10:26:20 -0700 | [diff] [blame] | 640 | JniConstants::init(env); |
Elliott Hughes | eac7667 | 2012-05-24 21:56:51 -0700 | [diff] [blame] | 641 | WellKnownClasses::Init(env); |
Elliott Hughes | fea966e | 2011-09-22 10:26:20 -0700 | [diff] [blame] | 642 | |
Elliott Hughes | 418d20f | 2011-09-22 14:00:39 -0700 | [diff] [blame] | 643 | // Then set up the native methods provided by the runtime itself. |
Elliott Hughes | ad7c2a3 | 2011-08-31 11:58:10 -0700 | [diff] [blame] | 644 | RegisterRuntimeNativeMethods(env); |
| 645 | |
Elliott Hughes | 418d20f | 2011-09-22 14:00:39 -0700 | [diff] [blame] | 646 | // Then set up libcore, which is just a regular JNI library with a regular JNI_OnLoad. |
| 647 | // Most JNI libraries can just use System.loadLibrary, but libcore can't because it's |
| 648 | // the library that implements System.loadLibrary! |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 649 | { |
| 650 | std::string mapped_name(StringPrintf(OS_SHARED_LIB_FORMAT_STR, "javacore")); |
| 651 | std::string reason; |
| 652 | self->TransitionFromSuspendedToRunnable(); |
Mathieu Chartier | 055d46c | 2014-02-06 11:22:17 -0800 | [diff] [blame] | 653 | SirtRef<mirror::ClassLoader> class_loader(self, nullptr); |
| 654 | if (!instance_->java_vm_->LoadNativeLibrary(mapped_name, class_loader, &reason)) { |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 655 | LOG(FATAL) << "LoadNativeLibrary failed for \"" << mapped_name << "\": " << reason; |
| 656 | } |
| 657 | self->TransitionFromRunnableToSuspended(kNative); |
| 658 | } |
Ian Rogers | ef28b14 | 2012-11-30 14:22:18 -0800 | [diff] [blame] | 659 | |
| 660 | // Initialize well known classes that may invoke runtime native methods. |
| 661 | WellKnownClasses::LateInit(env); |
| 662 | |
Elliott Hughes | 4dd9b4d | 2011-12-12 18:29:24 -0800 | [diff] [blame] | 663 | VLOG(startup) << "Runtime::InitNativeMethods exiting"; |
Elliott Hughes | ad7c2a3 | 2011-08-31 11:58:10 -0700 | [diff] [blame] | 664 | } |
| 665 | |
Ian Rogers | 365c102 | 2012-06-22 15:05:28 -0700 | [diff] [blame] | 666 | void Runtime::InitThreadGroups(Thread* self) { |
| 667 | JNIEnvExt* env = self->GetJniEnv(); |
| 668 | ScopedJniEnvLocalRefState env_state(env); |
| 669 | main_thread_group_ = |
Brian Carlstrom | 491ca9e | 2014-03-02 18:24:38 -0800 | [diff] [blame] | 670 | env->NewGlobalRef(env->GetStaticObjectField( |
| 671 | WellKnownClasses::java_lang_ThreadGroup, |
| 672 | WellKnownClasses::java_lang_ThreadGroup_mainThreadGroup)); |
Brian Carlstrom | 034f76b | 2012-08-01 15:51:58 -0700 | [diff] [blame] | 673 | CHECK(main_thread_group_ != NULL || IsCompiler()); |
Ian Rogers | 365c102 | 2012-06-22 15:05:28 -0700 | [diff] [blame] | 674 | system_thread_group_ = |
Brian Carlstrom | 491ca9e | 2014-03-02 18:24:38 -0800 | [diff] [blame] | 675 | env->NewGlobalRef(env->GetStaticObjectField( |
| 676 | WellKnownClasses::java_lang_ThreadGroup, |
| 677 | WellKnownClasses::java_lang_ThreadGroup_systemThreadGroup)); |
Brian Carlstrom | 034f76b | 2012-08-01 15:51:58 -0700 | [diff] [blame] | 678 | CHECK(system_thread_group_ != NULL || IsCompiler()); |
| 679 | } |
| 680 | |
| 681 | jobject Runtime::GetMainThreadGroup() const { |
| 682 | CHECK(main_thread_group_ != NULL || IsCompiler()); |
| 683 | return main_thread_group_; |
| 684 | } |
| 685 | |
| 686 | jobject Runtime::GetSystemThreadGroup() const { |
| 687 | CHECK(system_thread_group_ != NULL || IsCompiler()); |
| 688 | return system_thread_group_; |
Ian Rogers | 365c102 | 2012-06-22 15:05:28 -0700 | [diff] [blame] | 689 | } |
| 690 | |
Brian Carlstrom | ce88853 | 2013-10-10 00:32:58 -0700 | [diff] [blame] | 691 | jobject Runtime::GetSystemClassLoader() const { |
| 692 | CHECK(system_class_loader_ != NULL || IsCompiler()); |
| 693 | return system_class_loader_; |
| 694 | } |
| 695 | |
Elliott Hughes | ad7c2a3 | 2011-08-31 11:58:10 -0700 | [diff] [blame] | 696 | void Runtime::RegisterRuntimeNativeMethods(JNIEnv* env) { |
| 697 | #define REGISTER(FN) extern void FN(JNIEnv*); FN(env) |
Ian Rogers | 5167c97 | 2012-02-03 10:41:20 -0800 | [diff] [blame] | 698 | // Register Throwable first so that registration of other native methods can throw exceptions |
| 699 | REGISTER(register_java_lang_Throwable); |
Brian Carlstrom | f91c8c3 | 2011-09-21 17:30:34 -0700 | [diff] [blame] | 700 | REGISTER(register_dalvik_system_DexFile); |
Elliott Hughes | 9d5ccec | 2011-09-19 13:19:50 -0700 | [diff] [blame] | 701 | REGISTER(register_dalvik_system_VMDebug); |
Elliott Hughes | 7ede61e | 2011-09-14 18:18:06 -0700 | [diff] [blame] | 702 | REGISTER(register_dalvik_system_VMRuntime); |
Elliott Hughes | 8daa092 | 2011-09-11 13:46:25 -0700 | [diff] [blame] | 703 | REGISTER(register_dalvik_system_VMStack); |
Elliott Hughes | 01158d7 | 2011-09-19 19:47:10 -0700 | [diff] [blame] | 704 | REGISTER(register_dalvik_system_Zygote); |
Elliott Hughes | d369bb7 | 2011-09-12 14:41:14 -0700 | [diff] [blame] | 705 | REGISTER(register_java_lang_Class); |
Ian Rogers | 8b2c0b9 | 2013-09-19 02:56:49 -0700 | [diff] [blame] | 706 | REGISTER(register_java_lang_DexCache); |
Elliott Hughes | bf86d04 | 2011-08-31 17:53:14 -0700 | [diff] [blame] | 707 | REGISTER(register_java_lang_Object); |
| 708 | REGISTER(register_java_lang_Runtime); |
| 709 | REGISTER(register_java_lang_String); |
| 710 | REGISTER(register_java_lang_System); |
Elliott Hughes | 8daa092 | 2011-09-11 13:46:25 -0700 | [diff] [blame] | 711 | REGISTER(register_java_lang_Thread); |
Elliott Hughes | 64bf5a3 | 2011-09-20 14:43:12 -0700 | [diff] [blame] | 712 | REGISTER(register_java_lang_VMClassLoader); |
Brian Carlstrom | 5b8e4c8 | 2011-09-18 01:38:59 -0700 | [diff] [blame] | 713 | REGISTER(register_java_lang_reflect_Array); |
Elliott Hughes | 2a20cfd | 2011-09-23 19:30:41 -0700 | [diff] [blame] | 714 | REGISTER(register_java_lang_reflect_Constructor); |
Brian Carlstrom | f867b6f | 2011-09-16 12:17:25 -0700 | [diff] [blame] | 715 | REGISTER(register_java_lang_reflect_Field); |
| 716 | REGISTER(register_java_lang_reflect_Method); |
Jesse Wilson | 95caa79 | 2011-10-12 18:14:17 -0400 | [diff] [blame] | 717 | REGISTER(register_java_lang_reflect_Proxy); |
Elliott Hughes | bf86d04 | 2011-08-31 17:53:14 -0700 | [diff] [blame] | 718 | REGISTER(register_java_util_concurrent_atomic_AtomicLong); |
Brian Carlstrom | 395520e | 2011-09-25 19:35:00 -0700 | [diff] [blame] | 719 | REGISTER(register_org_apache_harmony_dalvik_ddmc_DdmServer); |
Elliott Hughes | f6a1e1e | 2011-10-25 16:28:04 -0700 | [diff] [blame] | 720 | REGISTER(register_org_apache_harmony_dalvik_ddmc_DdmVmInternal); |
Elliott Hughes | 5ee7a8b | 2011-09-13 16:40:07 -0700 | [diff] [blame] | 721 | REGISTER(register_sun_misc_Unsafe); |
Elliott Hughes | ad7c2a3 | 2011-08-31 11:58:10 -0700 | [diff] [blame] | 722 | #undef REGISTER |
| 723 | } |
| 724 | |
Elliott Hughes | c967f78 | 2012-04-16 10:23:15 -0700 | [diff] [blame] | 725 | void Runtime::DumpForSigQuit(std::ostream& os) { |
Elliott Hughes | cac6cc7 | 2011-11-03 20:31:21 -0700 | [diff] [blame] | 726 | GetClassLinker()->DumpForSigQuit(os); |
| 727 | GetInternTable()->DumpForSigQuit(os); |
Elliott Hughes | ae80b49 | 2012-04-24 10:43:17 -0700 | [diff] [blame] | 728 | GetJavaVM()->DumpForSigQuit(os); |
Elliott Hughes | c967f78 | 2012-04-16 10:23:15 -0700 | [diff] [blame] | 729 | GetHeap()->DumpForSigQuit(os); |
Elliott Hughes | 42ee142 | 2011-09-06 12:33:32 -0700 | [diff] [blame] | 730 | os << "\n"; |
Elliott Hughes | 8daa092 | 2011-09-11 13:46:25 -0700 | [diff] [blame] | 731 | |
Elliott Hughes | c967f78 | 2012-04-16 10:23:15 -0700 | [diff] [blame] | 732 | thread_list_->DumpForSigQuit(os); |
Ian Rogers | 56edc43 | 2013-01-18 16:51:51 -0800 | [diff] [blame] | 733 | BaseMutex::DumpAll(os); |
Elliott Hughes | e27955c | 2011-08-26 15:21:24 -0700 | [diff] [blame] | 734 | } |
| 735 | |
Elliott Hughes | 21a5bf2 | 2011-12-07 14:35:20 -0800 | [diff] [blame] | 736 | void Runtime::DumpLockHolders(std::ostream& os) { |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 737 | uint64_t mutator_lock_owner = Locks::mutator_lock_->GetExclusiveOwnerTid(); |
Elliott Hughes | 21a5bf2 | 2011-12-07 14:35:20 -0800 | [diff] [blame] | 738 | pid_t thread_list_lock_owner = GetThreadList()->GetLockOwner(); |
| 739 | pid_t classes_lock_owner = GetClassLinker()->GetClassesLockOwner(); |
| 740 | pid_t dex_lock_owner = GetClassLinker()->GetDexLockOwner(); |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 741 | if ((thread_list_lock_owner | classes_lock_owner | dex_lock_owner) != 0) { |
| 742 | os << "Mutator lock exclusive owner tid: " << mutator_lock_owner << "\n" |
Elliott Hughes | 21a5bf2 | 2011-12-07 14:35:20 -0800 | [diff] [blame] | 743 | << "ThreadList lock owner tid: " << thread_list_lock_owner << "\n" |
| 744 | << "ClassLinker classes lock owner tid: " << classes_lock_owner << "\n" |
| 745 | << "ClassLinker dex lock owner tid: " << dex_lock_owner << "\n"; |
| 746 | } |
| 747 | } |
| 748 | |
Elliott Hughes | 9d5ccec | 2011-09-19 13:19:50 -0700 | [diff] [blame] | 749 | void Runtime::SetStatsEnabled(bool new_state) { |
| 750 | if (new_state == true) { |
| 751 | GetStats()->Clear(~0); |
| 752 | // TODO: wouldn't it make more sense to clear _all_ threads' stats? |
| 753 | Thread::Current()->GetStats()->Clear(~0); |
Ian Rogers | fa82427 | 2013-11-05 16:12:57 -0800 | [diff] [blame] | 754 | GetInstrumentation()->InstrumentQuickAllocEntryPoints(); |
Hiroshi Yamauchi | 3b4c189 | 2013-09-12 21:33:12 -0700 | [diff] [blame] | 755 | } else { |
Ian Rogers | fa82427 | 2013-11-05 16:12:57 -0800 | [diff] [blame] | 756 | GetInstrumentation()->UninstrumentQuickAllocEntryPoints(); |
Elliott Hughes | 9d5ccec | 2011-09-19 13:19:50 -0700 | [diff] [blame] | 757 | } |
| 758 | stats_enabled_ = new_state; |
| 759 | } |
| 760 | |
| 761 | void Runtime::ResetStats(int kinds) { |
| 762 | GetStats()->Clear(kinds & 0xffff); |
| 763 | // TODO: wouldn't it make more sense to clear _all_ threads' stats? |
| 764 | Thread::Current()->GetStats()->Clear(kinds >> 16); |
| 765 | } |
| 766 | |
Elliott Hughes | 9d5ccec | 2011-09-19 13:19:50 -0700 | [diff] [blame] | 767 | int32_t Runtime::GetStat(int kind) { |
| 768 | RuntimeStats* stats; |
| 769 | if (kind < (1<<16)) { |
| 770 | stats = GetStats(); |
| 771 | } else { |
| 772 | stats = Thread::Current()->GetStats(); |
| 773 | kind >>= 16; |
| 774 | } |
| 775 | switch (kind) { |
| 776 | case KIND_ALLOCATED_OBJECTS: |
| 777 | return stats->allocated_objects; |
| 778 | case KIND_ALLOCATED_BYTES: |
| 779 | return stats->allocated_bytes; |
| 780 | case KIND_FREED_OBJECTS: |
| 781 | return stats->freed_objects; |
| 782 | case KIND_FREED_BYTES: |
| 783 | return stats->freed_bytes; |
| 784 | case KIND_GC_INVOCATIONS: |
| 785 | return stats->gc_for_alloc_count; |
| 786 | case KIND_CLASS_INIT_COUNT: |
| 787 | return stats->class_init_count; |
| 788 | case KIND_CLASS_INIT_TIME: |
| 789 | // Convert ns to us, reduce to 32 bits. |
Elliott Hughes | 398f64b | 2012-03-26 18:05:48 -0700 | [diff] [blame] | 790 | return static_cast<int>(stats->class_init_time_ns / 1000); |
Elliott Hughes | 9d5ccec | 2011-09-19 13:19:50 -0700 | [diff] [blame] | 791 | case KIND_EXT_ALLOCATED_OBJECTS: |
| 792 | case KIND_EXT_ALLOCATED_BYTES: |
| 793 | case KIND_EXT_FREED_OBJECTS: |
| 794 | case KIND_EXT_FREED_BYTES: |
| 795 | return 0; // backward compatibility |
| 796 | default: |
Elliott Hughes | 7b9d996 | 2012-04-20 18:48:18 -0700 | [diff] [blame] | 797 | LOG(FATAL) << "Unknown statistic " << kind; |
Brian Carlstrom | 7934ac2 | 2013-07-26 10:54:15 -0700 | [diff] [blame] | 798 | return -1; // unreachable |
Elliott Hughes | 9d5ccec | 2011-09-19 13:19:50 -0700 | [diff] [blame] | 799 | } |
| 800 | } |
| 801 | |
Elliott Hughes | c1674ed | 2011-08-25 18:09:09 -0700 | [diff] [blame] | 802 | void Runtime::BlockSignals() { |
Elliott Hughes | 457005c | 2012-04-16 13:54:25 -0700 | [diff] [blame] | 803 | SignalSet signals; |
| 804 | signals.Add(SIGPIPE); |
Elliott Hughes | c1674ed | 2011-08-25 18:09:09 -0700 | [diff] [blame] | 805 | // SIGQUIT is used to dump the runtime's state (including stack traces). |
Elliott Hughes | 457005c | 2012-04-16 13:54:25 -0700 | [diff] [blame] | 806 | signals.Add(SIGQUIT); |
Elliott Hughes | 0879504 | 2012-04-03 14:48:52 -0700 | [diff] [blame] | 807 | // SIGUSR1 is used to initiate a GC. |
Elliott Hughes | 457005c | 2012-04-16 13:54:25 -0700 | [diff] [blame] | 808 | signals.Add(SIGUSR1); |
| 809 | signals.Block(); |
Elliott Hughes | c1674ed | 2011-08-25 18:09:09 -0700 | [diff] [blame] | 810 | } |
| 811 | |
Mathieu Chartier | 664bebf | 2012-11-12 16:54:11 -0800 | [diff] [blame] | 812 | bool Runtime::AttachCurrentThread(const char* thread_name, bool as_daemon, jobject thread_group, |
| 813 | bool create_peer) { |
| 814 | bool success = Thread::Attach(thread_name, as_daemon, thread_group, create_peer) != NULL; |
Elliott Hughes | 22869a9 | 2012-03-27 14:08:24 -0700 | [diff] [blame] | 815 | if (thread_name == NULL) { |
| 816 | LOG(WARNING) << *Thread::Current() << " attached without supplying a name"; |
| 817 | } |
Ian Rogers | 120f1c7 | 2012-09-28 17:17:10 -0700 | [diff] [blame] | 818 | return success; |
Carl Shapiro | 61e019d | 2011-07-14 16:53:09 -0700 | [diff] [blame] | 819 | } |
| 820 | |
Elliott Hughes | d92bec4 | 2011-09-02 17:04:36 -0700 | [diff] [blame] | 821 | void Runtime::DetachCurrentThread() { |
Brian Carlstrom | 4d57143 | 2012-05-16 00:21:41 -0700 | [diff] [blame] | 822 | Thread* self = Thread::Current(); |
| 823 | if (self == NULL) { |
| 824 | LOG(FATAL) << "attempting to detach thread that is not attached"; |
| 825 | } |
Ian Rogers | 0399dde | 2012-06-06 17:09:28 -0700 | [diff] [blame] | 826 | if (self->HasManagedStack()) { |
Elliott Hughes | 22869a9 | 2012-03-27 14:08:24 -0700 | [diff] [blame] | 827 | LOG(FATAL) << *Thread::Current() << " attempting to detach while still running code"; |
| 828 | } |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 829 | thread_list_->Unregister(self); |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 830 | } |
| 831 | |
Ian Rogers | a436fde | 2013-08-27 23:34:06 -0700 | [diff] [blame] | 832 | mirror::Throwable* Runtime::GetPreAllocatedOutOfMemoryError() const { |
| 833 | if (pre_allocated_OutOfMemoryError_ == NULL) { |
| 834 | LOG(ERROR) << "Failed to return pre-allocated OOME"; |
| 835 | } |
| 836 | return pre_allocated_OutOfMemoryError_; |
| 837 | } |
| 838 | |
Mathieu Chartier | 893263b | 2014-03-04 11:07:42 -0800 | [diff] [blame] | 839 | void Runtime::VisitConstantRoots(RootCallback* callback, void* arg) { |
| 840 | // Visit the classes held as static in mirror classes, these can be visited concurrently and only |
| 841 | // need to be visited once since they never change. |
Mathieu Chartier | 83c8ee0 | 2014-01-28 14:50:23 -0800 | [diff] [blame] | 842 | mirror::ArtField::VisitRoots(callback, arg); |
| 843 | mirror::ArtMethod::VisitRoots(callback, arg); |
| 844 | mirror::Class::VisitRoots(callback, arg); |
| 845 | mirror::StackTraceElement::VisitRoots(callback, arg); |
| 846 | mirror::String::VisitRoots(callback, arg); |
| 847 | mirror::Throwable::VisitRoots(callback, arg); |
Mathieu Chartier | c528dba | 2013-11-26 12:00:11 -0800 | [diff] [blame] | 848 | // Visit all the primitive array types classes. |
Mathieu Chartier | 83c8ee0 | 2014-01-28 14:50:23 -0800 | [diff] [blame] | 849 | mirror::PrimitiveArray<uint8_t>::VisitRoots(callback, arg); // BooleanArray |
| 850 | mirror::PrimitiveArray<int8_t>::VisitRoots(callback, arg); // ByteArray |
| 851 | mirror::PrimitiveArray<uint16_t>::VisitRoots(callback, arg); // CharArray |
| 852 | mirror::PrimitiveArray<double>::VisitRoots(callback, arg); // DoubleArray |
| 853 | mirror::PrimitiveArray<float>::VisitRoots(callback, arg); // FloatArray |
| 854 | mirror::PrimitiveArray<int32_t>::VisitRoots(callback, arg); // IntArray |
| 855 | mirror::PrimitiveArray<int64_t>::VisitRoots(callback, arg); // LongArray |
| 856 | mirror::PrimitiveArray<int16_t>::VisitRoots(callback, arg); // ShortArray |
Mathieu Chartier | 893263b | 2014-03-04 11:07:42 -0800 | [diff] [blame] | 857 | } |
| 858 | |
| 859 | void Runtime::VisitConcurrentRoots(RootCallback* callback, void* arg, VisitRootFlags flags) { |
| 860 | intern_table_->VisitRoots(callback, arg, flags); |
| 861 | class_linker_->VisitRoots(callback, arg, flags); |
| 862 | if ((flags & kVisitRootFlagNewRoots) == 0) { |
| 863 | // Guaranteed to have no new roots in the constant roots. |
| 864 | VisitConstantRoots(callback, arg); |
| 865 | } |
| 866 | } |
| 867 | |
| 868 | void Runtime::VisitNonThreadRoots(RootCallback* callback, void* arg) { |
Mathieu Chartier | 83c8ee0 | 2014-01-28 14:50:23 -0800 | [diff] [blame] | 869 | java_vm_->VisitRoots(callback, arg); |
Mathieu Chartier | 423d2a3 | 2013-09-12 17:33:56 -0700 | [diff] [blame] | 870 | if (pre_allocated_OutOfMemoryError_ != nullptr) { |
Mathieu Chartier | 815873e | 2014-02-13 18:02:13 -0800 | [diff] [blame] | 871 | callback(reinterpret_cast<mirror::Object**>(&pre_allocated_OutOfMemoryError_), arg, 0, |
| 872 | kRootVMInternal); |
Mathieu Chartier | 423d2a3 | 2013-09-12 17:33:56 -0700 | [diff] [blame] | 873 | DCHECK(pre_allocated_OutOfMemoryError_ != nullptr); |
Elliott Hughes | 225f5a1 | 2012-06-11 11:23:48 -0700 | [diff] [blame] | 874 | } |
Mathieu Chartier | 815873e | 2014-02-13 18:02:13 -0800 | [diff] [blame] | 875 | callback(reinterpret_cast<mirror::Object**>(&resolution_method_), arg, 0, kRootVMInternal); |
Mathieu Chartier | 423d2a3 | 2013-09-12 17:33:56 -0700 | [diff] [blame] | 876 | DCHECK(resolution_method_ != nullptr); |
Mathieu Chartier | 590fee9 | 2013-09-13 13:46:47 -0700 | [diff] [blame] | 877 | if (HasImtConflictMethod()) { |
Mathieu Chartier | 815873e | 2014-02-13 18:02:13 -0800 | [diff] [blame] | 878 | callback(reinterpret_cast<mirror::Object**>(&imt_conflict_method_), arg, 0, kRootVMInternal); |
Mathieu Chartier | 590fee9 | 2013-09-13 13:46:47 -0700 | [diff] [blame] | 879 | } |
| 880 | if (HasDefaultImt()) { |
Mathieu Chartier | 815873e | 2014-02-13 18:02:13 -0800 | [diff] [blame] | 881 | callback(reinterpret_cast<mirror::Object**>(&default_imt_), arg, 0, kRootVMInternal); |
Mathieu Chartier | 590fee9 | 2013-09-13 13:46:47 -0700 | [diff] [blame] | 882 | } |
Ian Rogers | 4f0d07c | 2011-10-06 23:38:47 -0700 | [diff] [blame] | 883 | for (int i = 0; i < Runtime::kLastCalleeSaveType; i++) { |
Mathieu Chartier | 590fee9 | 2013-09-13 13:46:47 -0700 | [diff] [blame] | 884 | if (callee_save_methods_[i] != nullptr) { |
Mathieu Chartier | 815873e | 2014-02-13 18:02:13 -0800 | [diff] [blame] | 885 | callback(reinterpret_cast<mirror::Object**>(&callee_save_methods_[i]), arg, 0, |
| 886 | kRootVMInternal); |
Mathieu Chartier | 590fee9 | 2013-09-13 13:46:47 -0700 | [diff] [blame] | 887 | } |
Ian Rogers | 4f0d07c | 2011-10-06 23:38:47 -0700 | [diff] [blame] | 888 | } |
Mathieu Chartier | c528dba | 2013-11-26 12:00:11 -0800 | [diff] [blame] | 889 | { |
Ian Rogers | 719d1a3 | 2014-03-06 12:13:39 -0800 | [diff] [blame] | 890 | MutexLock mu(Thread::Current(), method_verifier_lock_); |
Mathieu Chartier | c528dba | 2013-11-26 12:00:11 -0800 | [diff] [blame] | 891 | for (verifier::MethodVerifier* verifier : method_verifiers_) { |
Mathieu Chartier | 83c8ee0 | 2014-01-28 14:50:23 -0800 | [diff] [blame] | 892 | verifier->VisitRoots(callback, arg); |
Mathieu Chartier | c528dba | 2013-11-26 12:00:11 -0800 | [diff] [blame] | 893 | } |
| 894 | } |
Mathieu Chartier | 893263b | 2014-03-04 11:07:42 -0800 | [diff] [blame] | 895 | if (preinitialization_transaction != nullptr) { |
| 896 | preinitialization_transaction->VisitRoots(callback, arg); |
| 897 | } |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 898 | } |
| 899 | |
Mathieu Chartier | 83c8ee0 | 2014-01-28 14:50:23 -0800 | [diff] [blame] | 900 | void Runtime::VisitNonConcurrentRoots(RootCallback* callback, void* arg) { |
| 901 | thread_list_->VisitRoots(callback, arg); |
| 902 | VisitNonThreadRoots(callback, arg); |
Mathieu Chartier | 858f1c5 | 2012-10-17 17:45:55 -0700 | [diff] [blame] | 903 | } |
| 904 | |
Mathieu Chartier | 893263b | 2014-03-04 11:07:42 -0800 | [diff] [blame] | 905 | void Runtime::VisitRoots(RootCallback* callback, void* arg, VisitRootFlags flags) { |
| 906 | VisitConcurrentRoots(callback, arg, flags); |
Mathieu Chartier | 83c8ee0 | 2014-01-28 14:50:23 -0800 | [diff] [blame] | 907 | VisitNonConcurrentRoots(callback, arg); |
Mathieu Chartier | 9ebae1f | 2012-10-15 17:38:16 -0700 | [diff] [blame] | 908 | } |
| 909 | |
Jeff Hao | 88474b4 | 2013-10-23 16:24:40 -0700 | [diff] [blame] | 910 | mirror::ObjectArray<mirror::ArtMethod>* Runtime::CreateDefaultImt(ClassLinker* cl) { |
| 911 | Thread* self = Thread::Current(); |
| 912 | SirtRef<mirror::ObjectArray<mirror::ArtMethod> > imtable(self, cl->AllocArtMethodArray(self, 64)); |
| 913 | mirror::ArtMethod* imt_conflict_method = Runtime::Current()->GetImtConflictMethod(); |
Mathieu Chartier | 590fee9 | 2013-09-13 13:46:47 -0700 | [diff] [blame] | 914 | for (size_t i = 0; i < static_cast<size_t>(imtable->GetLength()); i++) { |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 915 | imtable->Set<false>(i, imt_conflict_method); |
Jeff Hao | 88474b4 | 2013-10-23 16:24:40 -0700 | [diff] [blame] | 916 | } |
| 917 | return imtable.get(); |
| 918 | } |
| 919 | |
| 920 | mirror::ArtMethod* Runtime::CreateImtConflictMethod() { |
Jeff Hao | 88474b4 | 2013-10-23 16:24:40 -0700 | [diff] [blame] | 921 | Thread* self = Thread::Current(); |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 922 | Runtime* runtime = Runtime::Current(); |
| 923 | ClassLinker* class_linker = runtime->GetClassLinker(); |
| 924 | SirtRef<mirror::ArtMethod> method(self, class_linker->AllocArtMethod(self)); |
Mathieu Chartier | 590fee9 | 2013-09-13 13:46:47 -0700 | [diff] [blame] | 925 | method->SetDeclaringClass(mirror::ArtMethod::GetJavaLangReflectArtMethod()); |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 926 | // TODO: use a special method for imt conflict method saves. |
Jeff Hao | 88474b4 | 2013-10-23 16:24:40 -0700 | [diff] [blame] | 927 | method->SetDexMethodIndex(DexFile::kDexNoIndex); |
| 928 | // When compiling, the code pointer will get set later when the image is loaded. |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 929 | if (runtime->IsCompiler()) { |
| 930 | method->SetEntryPointFromPortableCompiledCode(nullptr); |
| 931 | method->SetEntryPointFromQuickCompiledCode(nullptr); |
| 932 | } else { |
| 933 | method->SetEntryPointFromPortableCompiledCode(GetPortableImtConflictTrampoline(class_linker)); |
| 934 | method->SetEntryPointFromQuickCompiledCode(GetQuickImtConflictTrampoline(class_linker)); |
| 935 | } |
Jeff Hao | 88474b4 | 2013-10-23 16:24:40 -0700 | [diff] [blame] | 936 | return method.get(); |
| 937 | } |
| 938 | |
Brian Carlstrom | ea46f95 | 2013-07-30 01:26:50 -0700 | [diff] [blame] | 939 | mirror::ArtMethod* Runtime::CreateResolutionMethod() { |
Ian Rogers | 50b35e2 | 2012-10-04 10:09:15 -0700 | [diff] [blame] | 940 | Thread* self = Thread::Current(); |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 941 | Runtime* runtime = Runtime::Current(); |
| 942 | ClassLinker* class_linker = runtime->GetClassLinker(); |
| 943 | SirtRef<mirror::ArtMethod> method(self, class_linker->AllocArtMethod(self)); |
Mathieu Chartier | 590fee9 | 2013-09-13 13:46:47 -0700 | [diff] [blame] | 944 | method->SetDeclaringClass(mirror::ArtMethod::GetJavaLangReflectArtMethod()); |
Ian Rogers | 1984651 | 2012-02-24 11:42:47 -0800 | [diff] [blame] | 945 | // TODO: use a special method for resolution method saves |
Ian Rogers | 8b2c0b9 | 2013-09-19 02:56:49 -0700 | [diff] [blame] | 946 | method->SetDexMethodIndex(DexFile::kDexNoIndex); |
Jeff Hao | 58df327 | 2013-04-22 15:28:53 -0700 | [diff] [blame] | 947 | // When compiling, the code pointer will get set later when the image is loaded. |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 948 | if (runtime->IsCompiler()) { |
| 949 | method->SetEntryPointFromPortableCompiledCode(nullptr); |
| 950 | method->SetEntryPointFromQuickCompiledCode(nullptr); |
| 951 | } else { |
| 952 | method->SetEntryPointFromPortableCompiledCode(GetPortableResolutionTrampoline(class_linker)); |
| 953 | method->SetEntryPointFromQuickCompiledCode(GetQuickResolutionTrampoline(class_linker)); |
| 954 | } |
Ian Rogers | 1984651 | 2012-02-24 11:42:47 -0800 | [diff] [blame] | 955 | return method.get(); |
| 956 | } |
| 957 | |
Brian Carlstrom | ea46f95 | 2013-07-30 01:26:50 -0700 | [diff] [blame] | 958 | mirror::ArtMethod* Runtime::CreateCalleeSaveMethod(InstructionSet instruction_set, |
Mathieu Chartier | 590fee9 | 2013-09-13 13:46:47 -0700 | [diff] [blame] | 959 | CalleeSaveType type) { |
Ian Rogers | 50b35e2 | 2012-10-04 10:09:15 -0700 | [diff] [blame] | 960 | Thread* self = Thread::Current(); |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 961 | Runtime* runtime = Runtime::Current(); |
| 962 | ClassLinker* class_linker = runtime->GetClassLinker(); |
| 963 | SirtRef<mirror::ArtMethod> method(self, class_linker->AllocArtMethod(self)); |
Mathieu Chartier | 590fee9 | 2013-09-13 13:46:47 -0700 | [diff] [blame] | 964 | method->SetDeclaringClass(mirror::ArtMethod::GetJavaLangReflectArtMethod()); |
Ian Rogers | 6d4d9fc | 2011-11-30 16:24:48 -0800 | [diff] [blame] | 965 | // TODO: use a special method for callee saves |
Ian Rogers | 8b2c0b9 | 2013-09-19 02:56:49 -0700 | [diff] [blame] | 966 | method->SetDexMethodIndex(DexFile::kDexNoIndex); |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 967 | method->SetEntryPointFromPortableCompiledCode(nullptr); |
| 968 | method->SetEntryPointFromQuickCompiledCode(nullptr); |
Brian Carlstrom | ae82698 | 2011-11-09 01:33:42 -0800 | [diff] [blame] | 969 | if ((instruction_set == kThumb2) || (instruction_set == kArm)) { |
Ian Rogers | 4f0d07c | 2011-10-06 23:38:47 -0700 | [diff] [blame] | 970 | uint32_t ref_spills = (1 << art::arm::R5) | (1 << art::arm::R6) | (1 << art::arm::R7) | |
| 971 | (1 << art::arm::R8) | (1 << art::arm::R10) | (1 << art::arm::R11); |
| 972 | uint32_t arg_spills = (1 << art::arm::R1) | (1 << art::arm::R2) | (1 << art::arm::R3); |
| 973 | uint32_t all_spills = (1 << art::arm::R4) | (1 << art::arm::R9); |
jeffhao | fa147e2 | 2012-10-12 17:03:32 -0700 | [diff] [blame] | 974 | uint32_t core_spills = ref_spills | (type == kRefsAndArgs ? arg_spills : 0) | |
| 975 | (type == kSaveAll ? all_spills : 0) | (1 << art::arm::LR); |
Ian Rogers | 4f0d07c | 2011-10-06 23:38:47 -0700 | [diff] [blame] | 976 | uint32_t fp_all_spills = (1 << art::arm::S0) | (1 << art::arm::S1) | (1 << art::arm::S2) | |
| 977 | (1 << art::arm::S3) | (1 << art::arm::S4) | (1 << art::arm::S5) | |
| 978 | (1 << art::arm::S6) | (1 << art::arm::S7) | (1 << art::arm::S8) | |
| 979 | (1 << art::arm::S9) | (1 << art::arm::S10) | (1 << art::arm::S11) | |
| 980 | (1 << art::arm::S12) | (1 << art::arm::S13) | (1 << art::arm::S14) | |
| 981 | (1 << art::arm::S15) | (1 << art::arm::S16) | (1 << art::arm::S17) | |
| 982 | (1 << art::arm::S18) | (1 << art::arm::S19) | (1 << art::arm::S20) | |
| 983 | (1 << art::arm::S21) | (1 << art::arm::S22) | (1 << art::arm::S23) | |
| 984 | (1 << art::arm::S24) | (1 << art::arm::S25) | (1 << art::arm::S26) | |
| 985 | (1 << art::arm::S27) | (1 << art::arm::S28) | (1 << art::arm::S29) | |
| 986 | (1 << art::arm::S30) | (1 << art::arm::S31); |
| 987 | uint32_t fp_spills = type == kSaveAll ? fp_all_spills : 0; |
| 988 | size_t frame_size = RoundUp((__builtin_popcount(core_spills) /* gprs */ + |
| 989 | __builtin_popcount(fp_spills) /* fprs */ + |
| 990 | 1 /* Method* */) * kPointerSize, kStackAlignment); |
Ian Rogers | 15fdb8c | 2011-09-25 15:45:07 -0700 | [diff] [blame] | 991 | method->SetFrameSizeInBytes(frame_size); |
Ian Rogers | 4f0d07c | 2011-10-06 23:38:47 -0700 | [diff] [blame] | 992 | method->SetCoreSpillMask(core_spills); |
| 993 | method->SetFpSpillMask(fp_spills); |
jeffhao | 7fbee07 | 2012-08-24 17:56:54 -0700 | [diff] [blame] | 994 | } else if (instruction_set == kMips) { |
| 995 | uint32_t ref_spills = (1 << art::mips::S2) | (1 << art::mips::S3) | (1 << art::mips::S4) | |
| 996 | (1 << art::mips::S5) | (1 << art::mips::S6) | (1 << art::mips::S7) | |
Jeff Hao | 1f3bc2f | 2013-04-30 15:17:19 -0700 | [diff] [blame] | 997 | (1 << art::mips::GP) | (1 << art::mips::FP); |
jeffhao | 7fbee07 | 2012-08-24 17:56:54 -0700 | [diff] [blame] | 998 | uint32_t arg_spills = (1 << art::mips::A1) | (1 << art::mips::A2) | (1 << art::mips::A3); |
jeffhao | fa147e2 | 2012-10-12 17:03:32 -0700 | [diff] [blame] | 999 | uint32_t all_spills = (1 << art::mips::S0) | (1 << art::mips::S1); |
jeffhao | 7fbee07 | 2012-08-24 17:56:54 -0700 | [diff] [blame] | 1000 | uint32_t core_spills = ref_spills | (type == kRefsAndArgs ? arg_spills : 0) | |
jeffhao | fa147e2 | 2012-10-12 17:03:32 -0700 | [diff] [blame] | 1001 | (type == kSaveAll ? all_spills : 0) | (1 << art::mips::RA); |
jeffhao | 7fbee07 | 2012-08-24 17:56:54 -0700 | [diff] [blame] | 1002 | size_t frame_size = RoundUp((__builtin_popcount(core_spills) /* gprs */ + |
Jeff Hao | 1f3bc2f | 2013-04-30 15:17:19 -0700 | [diff] [blame] | 1003 | (type == kRefsAndArgs ? 0 : 3) + 1 /* Method* */) * |
| 1004 | kPointerSize, kStackAlignment); |
jeffhao | 7fbee07 | 2012-08-24 17:56:54 -0700 | [diff] [blame] | 1005 | method->SetFrameSizeInBytes(frame_size); |
| 1006 | method->SetCoreSpillMask(core_spills); |
jeffhao | 0703060 | 2012-09-26 14:33:14 -0700 | [diff] [blame] | 1007 | method->SetFpSpillMask(0); |
Brian Carlstrom | ae82698 | 2011-11-09 01:33:42 -0800 | [diff] [blame] | 1008 | } else if (instruction_set == kX86) { |
Ian Rogers | 7caad77 | 2012-03-30 01:07:54 -0700 | [diff] [blame] | 1009 | uint32_t ref_spills = (1 << art::x86::EBP) | (1 << art::x86::ESI) | (1 << art::x86::EDI); |
| 1010 | uint32_t arg_spills = (1 << art::x86::ECX) | (1 << art::x86::EDX) | (1 << art::x86::EBX); |
| 1011 | uint32_t core_spills = ref_spills | (type == kRefsAndArgs ? arg_spills : 0) | |
| 1012 | (1 << art::x86::kNumberOfCpuRegisters); // fake return address callee save |
| 1013 | size_t frame_size = RoundUp((__builtin_popcount(core_spills) /* gprs */ + |
| 1014 | 1 /* Method* */) * kPointerSize, kStackAlignment); |
| 1015 | method->SetFrameSizeInBytes(frame_size); |
| 1016 | method->SetCoreSpillMask(core_spills); |
Ian Rogers | ff1ed47 | 2011-09-20 13:46:24 -0700 | [diff] [blame] | 1017 | method->SetFpSpillMask(0); |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 1018 | } else if (instruction_set == kX86_64) { |
| 1019 | uint32_t ref_spills = |
Ian Rogers | 0177e53 | 2014-02-11 16:30:46 -0800 | [diff] [blame] | 1020 | (1 << art::x86_64::RBX) | (1 << art::x86_64::RBP) | (1 << art::x86_64::R12) | |
| 1021 | (1 << art::x86_64::R13) | (1 << art::x86_64::R14) | (1 << art::x86_64::R15); |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 1022 | uint32_t arg_spills = |
Ian Rogers | 0177e53 | 2014-02-11 16:30:46 -0800 | [diff] [blame] | 1023 | (1 << art::x86_64::RSI) | (1 << art::x86_64::RDX) | (1 << art::x86_64::RCX) | |
| 1024 | (1 << art::x86_64::R8) | (1 << art::x86_64::R9); |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 1025 | uint32_t core_spills = ref_spills | (type == kRefsAndArgs ? arg_spills : 0) | |
Brian Carlstrom | 491ca9e | 2014-03-02 18:24:38 -0800 | [diff] [blame] | 1026 | (1 << art::x86_64::kNumberOfCpuRegisters); // fake return address callee save |
Ian Rogers | 936b37f | 2014-02-14 00:52:24 -0800 | [diff] [blame] | 1027 | uint32_t fp_arg_spills = |
| 1028 | (1 << art::x86_64::XMM0) | (1 << art::x86_64::XMM1) | (1 << art::x86_64::XMM2) | |
| 1029 | (1 << art::x86_64::XMM3) | (1 << art::x86_64::XMM4) | (1 << art::x86_64::XMM5) | |
| 1030 | (1 << art::x86_64::XMM6) | (1 << art::x86_64::XMM7); |
| 1031 | uint32_t fp_spills = (type == kRefsAndArgs ? fp_arg_spills : 0); |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 1032 | size_t frame_size = RoundUp((__builtin_popcount(core_spills) /* gprs */ + |
Ian Rogers | 936b37f | 2014-02-14 00:52:24 -0800 | [diff] [blame] | 1033 | __builtin_popcount(fp_spills) /* fprs */ + |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 1034 | 1 /* Method* */) * kPointerSize, kStackAlignment); |
| 1035 | method->SetFrameSizeInBytes(frame_size); |
| 1036 | method->SetCoreSpillMask(core_spills); |
Ian Rogers | 936b37f | 2014-02-14 00:52:24 -0800 | [diff] [blame] | 1037 | method->SetFpSpillMask(fp_spills); |
Ian Rogers | ff1ed47 | 2011-09-20 13:46:24 -0700 | [diff] [blame] | 1038 | } else { |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 1039 | UNIMPLEMENTED(FATAL) << instruction_set; |
Ian Rogers | ff1ed47 | 2011-09-20 13:46:24 -0700 | [diff] [blame] | 1040 | } |
Brian Carlstrom | 40381fb | 2011-10-19 14:13:40 -0700 | [diff] [blame] | 1041 | return method.get(); |
Ian Rogers | ff1ed47 | 2011-09-20 13:46:24 -0700 | [diff] [blame] | 1042 | } |
| 1043 | |
Mathieu Chartier | c11d9b8 | 2013-09-19 10:01:59 -0700 | [diff] [blame] | 1044 | void Runtime::DisallowNewSystemWeaks() { |
| 1045 | monitor_list_->DisallowNewMonitors(); |
| 1046 | intern_table_->DisallowNewInterns(); |
| 1047 | java_vm_->DisallowNewWeakGlobals(); |
Mathieu Chartier | 412c7fc | 2014-02-07 12:18:39 -0800 | [diff] [blame] | 1048 | Dbg::DisallowNewObjectRegistryObjects(); |
Mathieu Chartier | c11d9b8 | 2013-09-19 10:01:59 -0700 | [diff] [blame] | 1049 | } |
| 1050 | |
| 1051 | void Runtime::AllowNewSystemWeaks() { |
| 1052 | monitor_list_->AllowNewMonitors(); |
| 1053 | intern_table_->AllowNewInterns(); |
| 1054 | java_vm_->AllowNewWeakGlobals(); |
Mathieu Chartier | 412c7fc | 2014-02-07 12:18:39 -0800 | [diff] [blame] | 1055 | Dbg::AllowNewObjectRegistryObjects(); |
Mathieu Chartier | c11d9b8 | 2013-09-19 10:01:59 -0700 | [diff] [blame] | 1056 | } |
| 1057 | |
Brian Carlstrom | ea46f95 | 2013-07-30 01:26:50 -0700 | [diff] [blame] | 1058 | void Runtime::SetCalleeSaveMethod(mirror::ArtMethod* method, CalleeSaveType type) { |
Ian Rogers | 4f0d07c | 2011-10-06 23:38:47 -0700 | [diff] [blame] | 1059 | DCHECK_LT(static_cast<int>(type), static_cast<int>(kLastCalleeSaveType)); |
Elliott Hughes | 225f5a1 | 2012-06-11 11:23:48 -0700 | [diff] [blame] | 1060 | callee_save_methods_[type] = method; |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 1061 | } |
| 1062 | |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 1063 | const std::vector<const DexFile*>& Runtime::GetCompileTimeClassPath(jobject class_loader) { |
Elliott Hughes | b3bd5f0 | 2012-03-08 21:05:27 -0800 | [diff] [blame] | 1064 | if (class_loader == NULL) { |
| 1065 | return GetClassLinker()->GetBootClassPath(); |
| 1066 | } |
| 1067 | CHECK(UseCompileTimeClassPath()); |
| 1068 | CompileTimeClassPaths::const_iterator it = compile_time_class_paths_.find(class_loader); |
| 1069 | CHECK(it != compile_time_class_paths_.end()); |
| 1070 | return it->second; |
| 1071 | } |
| 1072 | |
Brian Carlstrom | 491ca9e | 2014-03-02 18:24:38 -0800 | [diff] [blame] | 1073 | void Runtime::SetCompileTimeClassPath(jobject class_loader, |
| 1074 | std::vector<const DexFile*>& class_path) { |
Elliott Hughes | b3bd5f0 | 2012-03-08 21:05:27 -0800 | [diff] [blame] | 1075 | CHECK(!IsStarted()); |
| 1076 | use_compile_time_class_path_ = true; |
Elliott Hughes | a0e1806 | 2012-04-13 15:59:59 -0700 | [diff] [blame] | 1077 | compile_time_class_paths_.Put(class_loader, class_path); |
Elliott Hughes | b3bd5f0 | 2012-03-08 21:05:27 -0800 | [diff] [blame] | 1078 | } |
| 1079 | |
Mathieu Chartier | c528dba | 2013-11-26 12:00:11 -0800 | [diff] [blame] | 1080 | void Runtime::AddMethodVerifier(verifier::MethodVerifier* verifier) { |
| 1081 | DCHECK(verifier != nullptr); |
Ian Rogers | 719d1a3 | 2014-03-06 12:13:39 -0800 | [diff] [blame] | 1082 | MutexLock mu(Thread::Current(), method_verifier_lock_); |
Mathieu Chartier | c528dba | 2013-11-26 12:00:11 -0800 | [diff] [blame] | 1083 | method_verifiers_.insert(verifier); |
| 1084 | } |
| 1085 | |
| 1086 | void Runtime::RemoveMethodVerifier(verifier::MethodVerifier* verifier) { |
| 1087 | DCHECK(verifier != nullptr); |
Ian Rogers | 719d1a3 | 2014-03-06 12:13:39 -0800 | [diff] [blame] | 1088 | MutexLock mu(Thread::Current(), method_verifier_lock_); |
Mathieu Chartier | c528dba | 2013-11-26 12:00:11 -0800 | [diff] [blame] | 1089 | auto it = method_verifiers_.find(verifier); |
| 1090 | CHECK(it != method_verifiers_.end()); |
| 1091 | method_verifiers_.erase(it); |
| 1092 | } |
| 1093 | |
Dave Allison | 39c3bfb | 2014-01-28 18:33:52 -0800 | [diff] [blame] | 1094 | void Runtime::StartProfiler(const char* appDir, const char* procName, bool startImmediately) { |
Brian Carlstrom | 491ca9e | 2014-03-02 18:24:38 -0800 | [diff] [blame] | 1095 | BackgroundMethodSamplingProfiler::Start(profile_period_s_, profile_duration_s_, appDir, |
Dave Allison | 39c3bfb | 2014-01-28 18:33:52 -0800 | [diff] [blame] | 1096 | procName, profile_interval_us_, |
| 1097 | profile_backoff_coefficient_, startImmediately); |
Dave Allison | 0aded08 | 2013-11-07 13:15:11 -0800 | [diff] [blame] | 1098 | } |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 1099 | |
| 1100 | // Transaction support. |
| 1101 | // TODO move them to header file for inlining. |
| 1102 | bool Runtime::IsActiveTransaction() const { |
| 1103 | return preinitialization_transaction != nullptr; |
| 1104 | } |
| 1105 | |
| 1106 | void Runtime::EnterTransactionMode(Transaction* transaction) { |
| 1107 | DCHECK(IsCompiler()); |
| 1108 | DCHECK(transaction != nullptr); |
| 1109 | DCHECK(!IsActiveTransaction()); |
| 1110 | preinitialization_transaction = transaction; |
| 1111 | } |
| 1112 | |
| 1113 | void Runtime::ExitTransactionMode() { |
| 1114 | DCHECK(IsCompiler()); |
| 1115 | DCHECK(IsActiveTransaction()); |
| 1116 | preinitialization_transaction = nullptr; |
| 1117 | } |
| 1118 | |
| 1119 | void Runtime::RecordWriteField32(mirror::Object* obj, MemberOffset field_offset, |
| 1120 | uint32_t value, bool is_volatile) const { |
| 1121 | DCHECK(IsCompiler()); |
| 1122 | DCHECK(IsActiveTransaction()); |
| 1123 | preinitialization_transaction->RecordWriteField32(obj, field_offset, value, is_volatile); |
| 1124 | } |
| 1125 | |
| 1126 | void Runtime::RecordWriteField64(mirror::Object* obj, MemberOffset field_offset, |
| 1127 | uint64_t value, bool is_volatile) const { |
| 1128 | DCHECK(IsCompiler()); |
| 1129 | DCHECK(IsActiveTransaction()); |
| 1130 | preinitialization_transaction->RecordWriteField64(obj, field_offset, value, is_volatile); |
| 1131 | } |
| 1132 | |
| 1133 | void Runtime::RecordWriteFieldReference(mirror::Object* obj, MemberOffset field_offset, |
| 1134 | mirror::Object* value, bool is_volatile) const { |
| 1135 | DCHECK(IsCompiler()); |
| 1136 | DCHECK(IsActiveTransaction()); |
| 1137 | preinitialization_transaction->RecordWriteFieldReference(obj, field_offset, value, is_volatile); |
| 1138 | } |
| 1139 | |
| 1140 | void Runtime::RecordWriteArray(mirror::Array* array, size_t index, uint64_t value) const { |
| 1141 | DCHECK(IsCompiler()); |
| 1142 | DCHECK(IsActiveTransaction()); |
| 1143 | preinitialization_transaction->RecordWriteArray(array, index, value); |
| 1144 | } |
| 1145 | |
| 1146 | void Runtime::RecordStrongStringInsertion(mirror::String* s, uint32_t hash_code) const { |
| 1147 | DCHECK(IsCompiler()); |
| 1148 | DCHECK(IsActiveTransaction()); |
| 1149 | preinitialization_transaction->RecordStrongStringInsertion(s, hash_code); |
| 1150 | } |
| 1151 | |
| 1152 | void Runtime::RecordWeakStringInsertion(mirror::String* s, uint32_t hash_code) const { |
| 1153 | DCHECK(IsCompiler()); |
| 1154 | DCHECK(IsActiveTransaction()); |
| 1155 | preinitialization_transaction->RecordWeakStringInsertion(s, hash_code); |
| 1156 | } |
| 1157 | |
| 1158 | void Runtime::RecordStrongStringRemoval(mirror::String* s, uint32_t hash_code) const { |
| 1159 | DCHECK(IsCompiler()); |
| 1160 | DCHECK(IsActiveTransaction()); |
| 1161 | preinitialization_transaction->RecordStrongStringRemoval(s, hash_code); |
| 1162 | } |
| 1163 | |
| 1164 | void Runtime::RecordWeakStringRemoval(mirror::String* s, uint32_t hash_code) const { |
| 1165 | DCHECK(IsCompiler()); |
| 1166 | DCHECK(IsActiveTransaction()); |
| 1167 | preinitialization_transaction->RecordWeakStringRemoval(s, hash_code); |
| 1168 | } |
Mathieu Chartier | 15d3402 | 2014-02-26 17:16:38 -0800 | [diff] [blame] | 1169 | |
| 1170 | void Runtime::SetFaultMessage(const std::string& message) { |
| 1171 | MutexLock mu(Thread::Current(), fault_message_lock_); |
| 1172 | fault_message_ = message; |
| 1173 | } |
Brian Carlstrom | 491ca9e | 2014-03-02 18:24:38 -0800 | [diff] [blame] | 1174 | |
Dave Allison | 39c3bfb | 2014-01-28 18:33:52 -0800 | [diff] [blame] | 1175 | void Runtime::UpdateProfilerState(int state) { |
| 1176 | LOG(DEBUG) << "Profiler state updated to " << state; |
| 1177 | } |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 1178 | } // namespace art |