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> |
Ian Rogers | c5f1773 | 2014-06-05 20:48:42 -0700 | [diff] [blame] | 21 | #ifdef __linux__ |
Brian Carlstrom | bd86bcc | 2013-03-10 20:26:16 -0700 | [diff] [blame] | 22 | #include <linux/fs.h> |
Hiroshi Yamauchi | 6ffb9cc | 2015-08-31 15:14:17 -0700 | [diff] [blame] | 23 | #include <sys/prctl.h> |
Ian Rogers | c5f1773 | 2014-06-05 20:48:42 -0700 | [diff] [blame] | 24 | #endif |
Brian Carlstrom | bd86bcc | 2013-03-10 20:26:16 -0700 | [diff] [blame] | 25 | |
Brian Carlstrom | dbf05b7 | 2011-12-15 00:55:24 -0800 | [diff] [blame] | 26 | #include <signal.h> |
Elliott Hughes | d06a6c7 | 2012-05-30 17:59:06 -0700 | [diff] [blame] | 27 | #include <sys/syscall.h> |
Evgenii Stepanov | 1e13374 | 2015-05-20 12:30:59 -0700 | [diff] [blame] | 28 | #include "base/memory_tool.h" |
David Sehr | d106d9f | 2016-08-16 19:22:57 -0700 | [diff] [blame] | 29 | #if defined(__APPLE__) |
| 30 | #include <crt_externs.h> // for _NSGetEnviron |
| 31 | #endif |
Brian Carlstrom | dbf05b7 | 2011-12-15 00:55:24 -0800 | [diff] [blame] | 32 | |
Elliott Hughes | ffe6736 | 2011-07-17 12:09:27 -0700 | [diff] [blame] | 33 | #include <cstdio> |
| 34 | #include <cstdlib> |
Brian Carlstrom | 8a43659 | 2011-08-15 21:27:23 -0700 | [diff] [blame] | 35 | #include <limits> |
Igor Murashkin | aaebaa0 | 2015-01-26 10:55:53 -0800 | [diff] [blame] | 36 | #include <memory_representation.h> |
Carl Shapiro | 2ed144c | 2011-07-26 16:52:08 -0700 | [diff] [blame] | 37 | #include <vector> |
Dave Allison | 39c3bfb | 2014-01-28 18:33:52 -0800 | [diff] [blame] | 38 | #include <fcntl.h> |
Elliott Hughes | ffe6736 | 2011-07-17 12:09:27 -0700 | [diff] [blame] | 39 | |
Brian Carlstrom | 02c5f4d | 2015-01-30 10:18:03 -0800 | [diff] [blame] | 40 | #include "JniConstants.h" |
| 41 | #include "ScopedLocalRef.h" |
Vladimir Marko | 7624d25 | 2014-05-02 14:40:15 +0100 | [diff] [blame] | 42 | #include "arch/arm/quick_method_frame_info_arm.h" |
Ian Rogers | 166db04 | 2013-07-26 12:05:57 -0700 | [diff] [blame] | 43 | #include "arch/arm/registers_arm.h" |
Vladimir Marko | 7624d25 | 2014-05-02 14:40:15 +0100 | [diff] [blame] | 44 | #include "arch/arm64/quick_method_frame_info_arm64.h" |
Stuart Monteith | b95a534 | 2014-03-12 13:32:32 +0000 | [diff] [blame] | 45 | #include "arch/arm64/registers_arm64.h" |
Ian Rogers | d582fa4 | 2014-11-05 23:46:43 -0800 | [diff] [blame] | 46 | #include "arch/instruction_set_features.h" |
Vladimir Marko | 7624d25 | 2014-05-02 14:40:15 +0100 | [diff] [blame] | 47 | #include "arch/mips/quick_method_frame_info_mips.h" |
Ian Rogers | 166db04 | 2013-07-26 12:05:57 -0700 | [diff] [blame] | 48 | #include "arch/mips/registers_mips.h" |
Andreas Gampe | 57b3429 | 2015-01-14 15:45:59 -0800 | [diff] [blame] | 49 | #include "arch/mips64/quick_method_frame_info_mips64.h" |
| 50 | #include "arch/mips64/registers_mips64.h" |
Vladimir Marko | 7624d25 | 2014-05-02 14:40:15 +0100 | [diff] [blame] | 51 | #include "arch/x86/quick_method_frame_info_x86.h" |
Ian Rogers | 166db04 | 2013-07-26 12:05:57 -0700 | [diff] [blame] | 52 | #include "arch/x86/registers_x86.h" |
Vladimir Marko | 7624d25 | 2014-05-02 14:40:15 +0100 | [diff] [blame] | 53 | #include "arch/x86_64/quick_method_frame_info_x86_64.h" |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 54 | #include "arch/x86_64/registers_x86_64.h" |
Mathieu Chartier | c785344 | 2015-03-27 14:35:38 -0700 | [diff] [blame] | 55 | #include "art_field-inl.h" |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 56 | #include "art_method-inl.h" |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 57 | #include "asm_support.h" |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 58 | #include "atomic.h" |
Andreas Gampe | 4585f87 | 2015-03-27 23:45:15 -0700 | [diff] [blame] | 59 | #include "base/arena_allocator.h" |
Ian Rogers | c7dd295 | 2014-10-21 23:31:19 -0700 | [diff] [blame] | 60 | #include "base/dumpable.h" |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 61 | #include "base/enums.h" |
Vladimir Marko | 637ee0b | 2015-09-04 12:47:41 +0100 | [diff] [blame] | 62 | #include "base/stl_util.h" |
Mathieu Chartier | 32ce2ad | 2016-03-04 14:58:03 -0800 | [diff] [blame] | 63 | #include "base/systrace.h" |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 64 | #include "base/unix_file/fd_file.h" |
Vladimir Marko | 3481ba2 | 2015-04-13 12:22:36 +0100 | [diff] [blame] | 65 | #include "class_linker-inl.h" |
Andreas Gampe | 4585f87 | 2015-03-27 23:45:15 -0700 | [diff] [blame] | 66 | #include "compiler_callbacks.h" |
Elliott Hughes | 3bb8156 | 2011-10-21 18:52:59 -0700 | [diff] [blame] | 67 | #include "debugger.h" |
Alex Light | 84d7605 | 2014-08-22 17:49:35 -0700 | [diff] [blame] | 68 | #include "elf_file.h" |
Ian Rogers | 6f3dbba | 2014-10-14 17:41:57 -0700 | [diff] [blame] | 69 | #include "entrypoints/runtime_asm_entrypoints.h" |
Alex Light | eb7c144 | 2015-08-31 13:17:42 -0700 | [diff] [blame] | 70 | #include "experimental_flags.h" |
Ian Rogers | 576ca0c | 2014-06-06 15:58:22 -0700 | [diff] [blame] | 71 | #include "fault_handler.h" |
Ian Rogers | 1d54e73 | 2013-05-02 21:10:01 -0700 | [diff] [blame] | 72 | #include "gc/accounting/card_table-inl.h" |
| 73 | #include "gc/heap.h" |
Andreas Gampe | fda5714 | 2016-09-08 20:29:18 -0700 | [diff] [blame] | 74 | #include "gc/scoped_gc_critical_section.h" |
Ian Rogers | e63db27 | 2014-07-15 15:36:11 -0700 | [diff] [blame] | 75 | #include "gc/space/image_space.h" |
Mathieu Chartier | 461687d | 2015-03-31 12:05:24 -0700 | [diff] [blame] | 76 | #include "gc/space/space-inl.h" |
Andreas Gampe | fda5714 | 2016-09-08 20:29:18 -0700 | [diff] [blame] | 77 | #include "gc/system_weak.h" |
Brian Carlstrom | 02c5f4d | 2015-01-30 10:18:03 -0800 | [diff] [blame] | 78 | #include "handle_scope-inl.h" |
Mathieu Chartier | 4a26f17 | 2016-01-26 14:26:18 -0800 | [diff] [blame] | 79 | #include "image-inl.h" |
jeffhao | 725a957 | 2012-11-13 18:20:12 -0800 | [diff] [blame] | 80 | #include "instrumentation.h" |
Elliott Hughes | cf4c6c4 | 2011-09-01 15:16:42 -0700 | [diff] [blame] | 81 | #include "intern_table.h" |
Mathieu Chartier | e5f13e5 | 2015-02-24 09:37:21 -0800 | [diff] [blame] | 82 | #include "interpreter/interpreter.h" |
| 83 | #include "jit/jit.h" |
Nicolas Geoffray | ac3ebc3 | 2016-10-05 13:13:50 +0100 | [diff] [blame] | 84 | #include "jit/jit_code_cache.h" |
Elliott Hughes | c5f7c91 | 2011-08-18 14:00:42 -0700 | [diff] [blame] | 85 | #include "jni_internal.h" |
Mathieu Chartier | c785344 | 2015-03-27 14:35:38 -0700 | [diff] [blame] | 86 | #include "linear_alloc.h" |
Brian Carlstrom | 02c5f4d | 2015-01-30 10:18:03 -0800 | [diff] [blame] | 87 | #include "mirror/array.h" |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 88 | #include "mirror/class-inl.h" |
Alex Light | cec2fd4 | 2016-11-02 16:32:07 -0700 | [diff] [blame] | 89 | #include "mirror/class_ext.h" |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 90 | #include "mirror/class_loader.h" |
Narayan Kamath | 000e188 | 2016-10-24 17:14:25 +0100 | [diff] [blame] | 91 | #include "mirror/emulated_stack_frame.h" |
Mathieu Chartier | daaf326 | 2015-03-24 13:30:28 -0700 | [diff] [blame] | 92 | #include "mirror/field.h" |
Mathieu Chartier | fc58af4 | 2015-04-16 18:00:39 -0700 | [diff] [blame] | 93 | #include "mirror/method.h" |
Narayan Kamath | afa4827 | 2016-08-03 12:46:58 +0100 | [diff] [blame] | 94 | #include "mirror/method_handle_impl.h" |
| 95 | #include "mirror/method_type.h" |
Mathieu Chartier | c528dba | 2013-11-26 12:00:11 -0800 | [diff] [blame] | 96 | #include "mirror/stack_trace_element.h" |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 97 | #include "mirror/throwable.h" |
Elliott Hughes | 32d6e1e | 2011-10-11 14:47:44 -0700 | [diff] [blame] | 98 | #include "monitor.h" |
Andreas Gampe | 277ccbd | 2014-11-03 21:36:10 -0800 | [diff] [blame] | 99 | #include "native/dalvik_system_DexFile.h" |
Orion Hodson | a4c2a05 | 2016-08-17 10:51:42 +0100 | [diff] [blame] | 100 | #include "native/dalvik_system_InMemoryDexClassLoader_DexData.h" |
Andreas Gampe | 277ccbd | 2014-11-03 21:36:10 -0800 | [diff] [blame] | 101 | #include "native/dalvik_system_VMDebug.h" |
| 102 | #include "native/dalvik_system_VMRuntime.h" |
| 103 | #include "native/dalvik_system_VMStack.h" |
| 104 | #include "native/dalvik_system_ZygoteHooks.h" |
| 105 | #include "native/java_lang_Class.h" |
| 106 | #include "native/java_lang_DexCache.h" |
| 107 | #include "native/java_lang_Object.h" |
Andreas Gampe | 277ccbd | 2014-11-03 21:36:10 -0800 | [diff] [blame] | 108 | #include "native/java_lang_String.h" |
Jeff Hao | 848f70a | 2014-01-15 13:49:50 -0800 | [diff] [blame] | 109 | #include "native/java_lang_StringFactory.h" |
Andreas Gampe | 277ccbd | 2014-11-03 21:36:10 -0800 | [diff] [blame] | 110 | #include "native/java_lang_System.h" |
| 111 | #include "native/java_lang_Thread.h" |
| 112 | #include "native/java_lang_Throwable.h" |
| 113 | #include "native/java_lang_VMClassLoader.h" |
Brian Carlstrom | 02c5f4d | 2015-01-30 10:18:03 -0800 | [diff] [blame] | 114 | #include "native/java_lang_ref_FinalizerReference.h" |
| 115 | #include "native/java_lang_ref_Reference.h" |
| 116 | #include "native/java_lang_reflect_Array.h" |
| 117 | #include "native/java_lang_reflect_Constructor.h" |
Neil Fuller | 0e84439 | 2016-09-08 13:43:31 +0100 | [diff] [blame] | 118 | #include "native/java_lang_reflect_Executable.h" |
Brian Carlstrom | 02c5f4d | 2015-01-30 10:18:03 -0800 | [diff] [blame] | 119 | #include "native/java_lang_reflect_Field.h" |
| 120 | #include "native/java_lang_reflect_Method.h" |
Neil Fuller | 60458a0 | 2016-09-01 15:32:44 +0100 | [diff] [blame] | 121 | #include "native/java_lang_reflect_Parameter.h" |
Brian Carlstrom | 02c5f4d | 2015-01-30 10:18:03 -0800 | [diff] [blame] | 122 | #include "native/java_lang_reflect_Proxy.h" |
Andreas Gampe | 277ccbd | 2014-11-03 21:36:10 -0800 | [diff] [blame] | 123 | #include "native/java_util_concurrent_atomic_AtomicLong.h" |
Jeff Hao | 848f70a | 2014-01-15 13:49:50 -0800 | [diff] [blame] | 124 | #include "native/libcore_util_CharsetUtils.h" |
Andreas Gampe | 277ccbd | 2014-11-03 21:36:10 -0800 | [diff] [blame] | 125 | #include "native/org_apache_harmony_dalvik_ddmc_DdmServer.h" |
| 126 | #include "native/org_apache_harmony_dalvik_ddmc_DdmVmInternal.h" |
| 127 | #include "native/sun_misc_Unsafe.h" |
Brian Carlstrom | 02c5f4d | 2015-01-30 10:18:03 -0800 | [diff] [blame] | 128 | #include "native_bridge_art_interface.h" |
Andreas Gampe | 5dd44d0 | 2016-08-02 17:20:03 -0700 | [diff] [blame] | 129 | #include "native_stack_dump.h" |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 130 | #include "oat_file.h" |
Mathieu Chartier | f9c6fc6 | 2015-10-07 11:44:05 -0700 | [diff] [blame] | 131 | #include "oat_file_manager.h" |
Alex Light | 84d7605 | 2014-08-22 17:49:35 -0700 | [diff] [blame] | 132 | #include "os.h" |
Brian Carlstrom | 02c5f4d | 2015-01-30 10:18:03 -0800 | [diff] [blame] | 133 | #include "parsed_options.h" |
Calin Juravle | c90bc92 | 2016-02-24 10:13:09 +0000 | [diff] [blame] | 134 | #include "jit/profile_saver.h" |
Vladimir Marko | 7624d25 | 2014-05-02 14:40:15 +0100 | [diff] [blame] | 135 | #include "quick/quick_method_frame_info.h" |
Ian Rogers | 53b8b09 | 2014-03-13 23:45:53 -0700 | [diff] [blame] | 136 | #include "reflection.h" |
Igor Murashkin | aaebaa0 | 2015-01-26 10:55:53 -0800 | [diff] [blame] | 137 | #include "runtime_options.h" |
| 138 | #include "ScopedLocalRef.h" |
Mathieu Chartier | 0795f23 | 2016-09-27 18:43:30 -0700 | [diff] [blame] | 139 | #include "scoped_thread_state_change-inl.h" |
Dave Allison | cefcea8 | 2014-09-16 10:01:01 -0700 | [diff] [blame] | 140 | #include "sigchain.h" |
Elliott Hughes | e27955c | 2011-08-26 15:21:24 -0700 | [diff] [blame] | 141 | #include "signal_catcher.h" |
Elliott Hughes | 457005c | 2012-04-16 13:54:25 -0700 | [diff] [blame] | 142 | #include "signal_set.h" |
Brian Carlstrom | 578bbdc | 2011-07-21 14:07:47 -0700 | [diff] [blame] | 143 | #include "thread.h" |
Elliott Hughes | 8daa092 | 2011-09-11 13:46:25 -0700 | [diff] [blame] | 144 | #include "thread_list.h" |
Alex Light | 7233c7e | 2016-07-28 10:07:45 -0700 | [diff] [blame] | 145 | #include "ti/agent.h" |
jeffhao | b5e8185 | 2012-03-12 11:15:45 -0700 | [diff] [blame] | 146 | #include "trace.h" |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 147 | #include "transaction.h" |
Vladimir Marko | 637ee0b | 2015-09-04 12:47:41 +0100 | [diff] [blame] | 148 | #include "utils.h" |
Vladimir Marko | 97d7e1c | 2016-10-04 14:44:28 +0100 | [diff] [blame] | 149 | #include "vdex_file.h" |
Ian Rogers | 776ac1f | 2012-04-13 23:36:36 -0700 | [diff] [blame] | 150 | #include "verifier/method_verifier.h" |
Elliott Hughes | eac7667 | 2012-05-24 21:56:51 -0700 | [diff] [blame] | 151 | #include "well_known_classes.h" |
Carl Shapiro | 61e019d | 2011-07-14 16:53:09 -0700 | [diff] [blame] | 152 | |
David Sehr | f57589f | 2016-10-17 10:09:33 -0700 | [diff] [blame] | 153 | #ifdef ART_TARGET_ANDROID |
| 154 | #include <android/set_abort_message.h> |
| 155 | #endif |
| 156 | |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 157 | namespace art { |
| 158 | |
Ian Rogers | 6f3dbba | 2014-10-14 17:41:57 -0700 | [diff] [blame] | 159 | // If a signal isn't handled properly, enable a handler that attempts to dump the Java stack. |
Brian Carlstrom | b57f1c7 | 2014-10-08 13:56:25 -0700 | [diff] [blame] | 160 | static constexpr bool kEnableJavaStackTraceHandler = false; |
Mathieu Chartier | 32cc9ee | 2015-10-15 09:19:15 -0700 | [diff] [blame] | 161 | // Tuned by compiling GmsCore under perf and measuring time spent in DescriptorEquals for class |
| 162 | // linking. |
| 163 | static constexpr double kLowMemoryMinLoadFactor = 0.5; |
| 164 | static constexpr double kLowMemoryMaxLoadFactor = 0.8; |
| 165 | static constexpr double kNormalMinLoadFactor = 0.4; |
| 166 | static constexpr double kNormalMaxLoadFactor = 0.7; |
Ian Rogers | 6f3dbba | 2014-10-14 17:41:57 -0700 | [diff] [blame] | 167 | Runtime* Runtime::instance_ = nullptr; |
Carl Shapiro | 2ed144c | 2011-07-26 16:52:08 -0700 | [diff] [blame] | 168 | |
Andreas Gampe | f6a780a | 2015-04-02 18:51:05 -0700 | [diff] [blame] | 169 | struct TraceConfig { |
| 170 | Trace::TraceMode trace_mode; |
| 171 | Trace::TraceOutputMode trace_output_mode; |
| 172 | std::string trace_file; |
| 173 | size_t trace_file_size; |
| 174 | }; |
| 175 | |
David Sehr | d106d9f | 2016-08-16 19:22:57 -0700 | [diff] [blame] | 176 | namespace { |
| 177 | #ifdef __APPLE__ |
| 178 | inline char** GetEnviron() { |
| 179 | // When Google Test is built as a framework on MacOS X, the environ variable |
| 180 | // is unavailable. Apple's documentation (man environ) recommends using |
| 181 | // _NSGetEnviron() instead. |
| 182 | return *_NSGetEnviron(); |
| 183 | } |
| 184 | #else |
| 185 | // Some POSIX platforms expect you to declare environ. extern "C" makes |
| 186 | // it reside in the global namespace. |
| 187 | extern "C" char** environ; |
| 188 | inline char** GetEnviron() { return environ; } |
| 189 | #endif |
| 190 | } // namespace |
| 191 | |
Elliott Hughes | dcc2474 | 2011-09-07 14:02:44 -0700 | [diff] [blame] | 192 | Runtime::Runtime() |
Mathieu Chartier | 3100080 | 2015-06-14 14:14:37 -0700 | [diff] [blame] | 193 | : resolution_method_(nullptr), |
| 194 | imt_conflict_method_(nullptr), |
| 195 | imt_unimplemented_method_(nullptr), |
| 196 | instruction_set_(kNone), |
Ian Rogers | 6ed19fd | 2014-03-20 08:10:17 -0700 | [diff] [blame] | 197 | compiler_callbacks_(nullptr), |
Elliott Hughes | d9c67be | 2012-02-02 19:54:06 -0800 | [diff] [blame] | 198 | is_zygote_(false), |
Alex Light | a59dd80 | 2014-07-02 16:28:08 -0700 | [diff] [blame] | 199 | must_relocate_(false), |
Mathieu Chartier | 069387a | 2012-06-18 12:01:01 -0700 | [diff] [blame] | 200 | is_concurrent_gc_enabled_(true), |
Anwar Ghuloum | 8718359 | 2013-08-14 12:12:19 -0700 | [diff] [blame] | 201 | is_explicit_gc_disabled_(false), |
Nicolas Geoffray | 4fcdc94 | 2014-07-22 10:48:00 +0100 | [diff] [blame] | 202 | dex2oat_enabled_(true), |
Alex Light | 64ad14d | 2014-08-19 14:23:13 -0700 | [diff] [blame] | 203 | image_dex2oat_enabled_(true), |
Elliott Hughes | 6cf2388 | 2012-06-15 15:42:07 -0700 | [diff] [blame] | 204 | default_stack_size_(0), |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 205 | heap_(nullptr), |
Ian Rogers | d9c4fc9 | 2013-10-01 19:45:43 -0700 | [diff] [blame] | 206 | max_spins_before_thin_lock_inflation_(Monitor::kDefaultMaxSpinsBeforeThinLockInflation), |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 207 | monitor_list_(nullptr), |
| 208 | monitor_pool_(nullptr), |
| 209 | thread_list_(nullptr), |
| 210 | intern_table_(nullptr), |
| 211 | class_linker_(nullptr), |
| 212 | signal_catcher_(nullptr), |
| 213 | java_vm_(nullptr), |
Mathieu Chartier | 15d3402 | 2014-02-26 17:16:38 -0800 | [diff] [blame] | 214 | fault_message_lock_("Fault message lock"), |
| 215 | fault_message_(""), |
Ian Rogers | 120f1c7 | 2012-09-28 17:17:10 -0700 | [diff] [blame] | 216 | threads_being_born_(0), |
Ian Rogers | c604d73 | 2012-10-14 16:09:54 -0700 | [diff] [blame] | 217 | shutdown_cond_(new ConditionVariable("Runtime shutdown", *Locks::runtime_shutdown_lock_)), |
Elliott Hughes | 6b35575 | 2012-01-13 16:49:08 -0800 | [diff] [blame] | 218 | shutting_down_(false), |
Ian Rogers | 120f1c7 | 2012-09-28 17:17:10 -0700 | [diff] [blame] | 219 | shutting_down_started_(false), |
Elliott Hughes | dcc2474 | 2011-09-07 14:02:44 -0700 | [diff] [blame] | 220 | started_(false), |
Mathieu Chartier | 7664f5c | 2012-06-08 18:15:32 -0700 | [diff] [blame] | 221 | finished_starting_(false), |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 222 | vfprintf_(nullptr), |
| 223 | exit_(nullptr), |
| 224 | abort_(nullptr), |
jeffhao | 2692b57 | 2011-12-16 15:42:28 -0800 | [diff] [blame] | 225 | stats_enabled_(false), |
Evgenii Stepanov | 1e13374 | 2015-05-20 12:30:59 -0700 | [diff] [blame] | 226 | is_running_on_memory_tool_(RUNNING_ON_MEMORY_TOOL), |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 227 | instrumentation_(), |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 228 | main_thread_group_(nullptr), |
| 229 | system_thread_group_(nullptr), |
| 230 | system_class_loader_(nullptr), |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 231 | dump_gc_performance_on_shutdown_(false), |
Sebastien Hertz | ee1d79a | 2014-02-21 15:46:30 +0100 | [diff] [blame] | 232 | preinitialization_transaction_(nullptr), |
Igor Murashkin | 7617abd | 2015-07-10 18:27:47 -0700 | [diff] [blame] | 233 | verify_(verifier::VerifyMode::kNone), |
Jean Christophe Beyler | 24e04aa | 2014-09-12 12:03:25 -0700 | [diff] [blame] | 234 | allow_dex_file_fallback_(true), |
Dave Allison | 69dfe51 | 2014-07-11 17:11:58 +0000 | [diff] [blame] | 235 | target_sdk_version_(0), |
| 236 | implicit_null_checks_(false), |
| 237 | implicit_so_checks_(false), |
Calin Juravle | 07d83c7 | 2014-10-22 21:02:23 +0100 | [diff] [blame] | 238 | implicit_suspend_checks_(false), |
Calin Juravle | 01aaf6e | 2015-06-19 22:05:39 +0100 | [diff] [blame] | 239 | no_sig_chain_(false), |
Andreas Gampe | f38a661 | 2016-04-11 08:42:26 -0700 | [diff] [blame] | 240 | force_native_bridge_(false), |
Narayan Kamath | 5a2be3f | 2015-02-16 13:51:51 +0000 | [diff] [blame] | 241 | is_native_bridge_loaded_(false), |
David Srbecky | f448016 | 2016-03-16 00:06:24 +0000 | [diff] [blame] | 242 | is_native_debuggable_(false), |
Igor Murashkin | 158f35c | 2015-06-10 15:55:30 -0700 | [diff] [blame] | 243 | zygote_max_failed_boots_(0), |
Mathieu Chartier | 32cc9ee | 2015-10-15 09:19:15 -0700 | [diff] [blame] | 244 | experimental_flags_(ExperimentalFlags::kNone), |
| 245 | oat_file_manager_(nullptr), |
Nicolas Geoffray | 787ae8e | 2015-11-05 11:32:24 +0000 | [diff] [blame] | 246 | is_low_memory_mode_(false), |
Andreas Gampe | a1425a1 | 2016-03-11 17:44:04 -0800 | [diff] [blame] | 247 | safe_mode_(false), |
Andreas Gampe | f38a661 | 2016-04-11 08:42:26 -0700 | [diff] [blame] | 248 | dump_native_stack_on_sig_quit_(true), |
Mathieu Chartier | f8cb178 | 2016-03-18 18:45:41 -0700 | [diff] [blame] | 249 | pruned_dalvik_cache_(false), |
| 250 | // Initially assume we perceive jank in case the process state is never updated. |
Andreas Gampe | f38a661 | 2016-04-11 08:42:26 -0700 | [diff] [blame] | 251 | process_state_(kProcessStateJankPerceptible), |
| 252 | zygote_no_threads_(false) { |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 253 | CheckAsmSupportOffsetsAndSizes(); |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 254 | std::fill(callee_save_methods_, callee_save_methods_ + arraysize(callee_save_methods_), 0u); |
buzbee | 1452bee | 2015-03-06 14:43:04 -0800 | [diff] [blame] | 255 | interpreter::CheckInterpreterAsmConstants(); |
Elliott Hughes | dcc2474 | 2011-09-07 14:02:44 -0700 | [diff] [blame] | 256 | } |
| 257 | |
Carl Shapiro | 61e019d | 2011-07-14 16:53:09 -0700 | [diff] [blame] | 258 | Runtime::~Runtime() { |
Mathieu Chartier | 32ce2ad | 2016-03-04 14:58:03 -0800 | [diff] [blame] | 259 | ScopedTrace trace("Runtime shutdown"); |
Calin Juravle | 07d83c7 | 2014-10-22 21:02:23 +0100 | [diff] [blame] | 260 | if (is_native_bridge_loaded_) { |
| 261 | UnloadNativeBridge(); |
| 262 | } |
Calin Juravle | 31f2c15 | 2015-10-23 17:56:15 +0100 | [diff] [blame] | 263 | |
Hiroshi Yamauchi | 2e899a9 | 2013-11-22 16:50:12 -0800 | [diff] [blame] | 264 | if (dump_gc_performance_on_shutdown_) { |
| 265 | // This can't be called from the Heap destructor below because it |
| 266 | // could call RosAlloc::InspectAll() which needs the thread_list |
| 267 | // to be still alive. |
Andreas Gampe | 3fec9ac | 2016-09-13 10:47:28 -0700 | [diff] [blame] | 268 | heap_->DumpGcPerformanceInfo(LOG_STREAM(INFO)); |
Hiroshi Yamauchi | 2e899a9 | 2013-11-22 16:50:12 -0800 | [diff] [blame] | 269 | } |
| 270 | |
Ian Rogers | 120f1c7 | 2012-09-28 17:17:10 -0700 | [diff] [blame] | 271 | Thread* self = Thread::Current(); |
Mathieu Chartier | 05d1461 | 2015-02-23 15:31:58 -0800 | [diff] [blame] | 272 | const bool attach_shutdown_thread = self == nullptr; |
| 273 | if (attach_shutdown_thread) { |
Mathieu Chartier | cef50f0 | 2014-12-09 17:38:52 -0800 | [diff] [blame] | 274 | CHECK(AttachCurrentThread("Shutdown thread", false, nullptr, false)); |
| 275 | self = Thread::Current(); |
| 276 | } else { |
| 277 | LOG(WARNING) << "Current thread not detached in Runtime shutdown"; |
| 278 | } |
| 279 | |
Ian Rogers | 120f1c7 | 2012-09-28 17:17:10 -0700 | [diff] [blame] | 280 | { |
Mathieu Chartier | 32ce2ad | 2016-03-04 14:58:03 -0800 | [diff] [blame] | 281 | ScopedTrace trace2("Wait for shutdown cond"); |
Ian Rogers | 120f1c7 | 2012-09-28 17:17:10 -0700 | [diff] [blame] | 282 | MutexLock mu(self, *Locks::runtime_shutdown_lock_); |
| 283 | shutting_down_started_ = true; |
| 284 | while (threads_being_born_ > 0) { |
Ian Rogers | c604d73 | 2012-10-14 16:09:54 -0700 | [diff] [blame] | 285 | shutdown_cond_->Wait(self); |
Ian Rogers | 120f1c7 | 2012-09-28 17:17:10 -0700 | [diff] [blame] | 286 | } |
| 287 | shutting_down_ = true; |
| 288 | } |
Mathieu Chartier | cef50f0 | 2014-12-09 17:38:52 -0800 | [diff] [blame] | 289 | // Shutdown and wait for the daemons. |
| 290 | CHECK(self != nullptr); |
| 291 | if (IsFinishedStarting()) { |
Mathieu Chartier | 32ce2ad | 2016-03-04 14:58:03 -0800 | [diff] [blame] | 292 | ScopedTrace trace2("Waiting for Daemons"); |
Mathieu Chartier | cef50f0 | 2014-12-09 17:38:52 -0800 | [diff] [blame] | 293 | self->ClearException(); |
| 294 | self->GetJniEnv()->CallStaticVoidMethod(WellKnownClasses::java_lang_Daemons, |
| 295 | WellKnownClasses::java_lang_Daemons_stop); |
| 296 | } |
Mathieu Chartier | 673ed3d | 2015-08-28 14:56:43 -0700 | [diff] [blame] | 297 | |
| 298 | Trace::Shutdown(); |
| 299 | |
Mathieu Chartier | 05d1461 | 2015-02-23 15:31:58 -0800 | [diff] [blame] | 300 | if (attach_shutdown_thread) { |
| 301 | DetachCurrentThread(); |
| 302 | self = nullptr; |
| 303 | } |
Mathieu Chartier | cef50f0 | 2014-12-09 17:38:52 -0800 | [diff] [blame] | 304 | |
Mathieu Chartier | a639903 | 2012-06-11 18:49:50 -0700 | [diff] [blame] | 305 | // Make sure to let the GC complete if it is running. |
Mathieu Chartier | 89a201e | 2014-05-02 10:27:26 -0700 | [diff] [blame] | 306 | heap_->WaitForGcToComplete(gc::kGcCauseBackground, self); |
Mathieu Chartier | 35883cc | 2012-11-13 14:08:12 -0800 | [diff] [blame] | 307 | heap_->DeleteThreadPool(); |
Mathieu Chartier | fb6db4c | 2016-01-06 17:23:25 -0800 | [diff] [blame] | 308 | if (jit_ != nullptr) { |
Mathieu Chartier | 32ce2ad | 2016-03-04 14:58:03 -0800 | [diff] [blame] | 309 | ScopedTrace trace2("Delete jit"); |
Mathieu Chartier | e5f13e5 | 2015-02-24 09:37:21 -0800 | [diff] [blame] | 310 | VLOG(jit) << "Deleting jit thread pool"; |
| 311 | // Delete thread pool before the thread list since we don't want to wait forever on the |
| 312 | // JIT compiler threads. |
| 313 | jit_->DeleteThreadPool(); |
Calin Juravle | 4d77b6a | 2015-12-01 18:38:09 +0000 | [diff] [blame] | 314 | // Similarly, stop the profile saver thread before deleting the thread list. |
| 315 | jit_->StopProfileSaver(); |
Mathieu Chartier | e5f13e5 | 2015-02-24 09:37:21 -0800 | [diff] [blame] | 316 | } |
Mathieu Chartier | a639903 | 2012-06-11 18:49:50 -0700 | [diff] [blame] | 317 | |
Alex Light | 7233c7e | 2016-07-28 10:07:45 -0700 | [diff] [blame] | 318 | // TODO Maybe do some locking. |
| 319 | for (auto& agent : agents_) { |
| 320 | agent.Unload(); |
| 321 | } |
| 322 | |
Alex Light | 185d134 | 2016-08-11 10:48:03 -0700 | [diff] [blame] | 323 | // TODO Maybe do some locking |
| 324 | for (auto& plugin : plugins_) { |
| 325 | plugin.Unload(); |
| 326 | } |
| 327 | |
Elliott Hughes | 5fe594f | 2011-09-08 12:33:17 -0700 | [diff] [blame] | 328 | // 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] | 329 | Dbg::StopJdwp(); |
Elliott Hughes | 5fe594f | 2011-09-08 12:33:17 -0700 | [diff] [blame] | 330 | delete signal_catcher_; |
| 331 | |
Elliott Hughes | 038a806 | 2011-09-18 14:12:41 -0700 | [diff] [blame] | 332 | // Make sure all other non-daemon threads have terminated, and all daemon threads are suspended. |
Mathieu Chartier | 32ce2ad | 2016-03-04 14:58:03 -0800 | [diff] [blame] | 333 | { |
| 334 | ScopedTrace trace2("Delete thread list"); |
| 335 | delete thread_list_; |
| 336 | } |
Mathieu Chartier | e5f13e5 | 2015-02-24 09:37:21 -0800 | [diff] [blame] | 337 | // Delete the JIT after thread list to ensure that there is no remaining threads which could be |
| 338 | // accessing the instrumentation when we delete it. |
Mathieu Chartier | fb6db4c | 2016-01-06 17:23:25 -0800 | [diff] [blame] | 339 | if (jit_ != nullptr) { |
Mathieu Chartier | e5f13e5 | 2015-02-24 09:37:21 -0800 | [diff] [blame] | 340 | VLOG(jit) << "Deleting jit"; |
| 341 | jit_.reset(nullptr); |
| 342 | } |
| 343 | |
Vladimir Marko | 2beeb82 | 2014-10-20 18:13:22 +0100 | [diff] [blame] | 344 | // Shutdown the fault manager if it was initialized. |
| 345 | fault_manager.Shutdown(); |
| 346 | |
Mathieu Chartier | 32ce2ad | 2016-03-04 14:58:03 -0800 | [diff] [blame] | 347 | ScopedTrace trace2("Delete state"); |
Elliott Hughes | c33a32b | 2011-10-11 18:18:07 -0700 | [diff] [blame] | 348 | delete monitor_list_; |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 349 | delete monitor_pool_; |
Carl Shapiro | 61e019d | 2011-07-14 16:53:09 -0700 | [diff] [blame] | 350 | delete class_linker_; |
Elliott Hughes | b3bd5f0 | 2012-03-08 21:05:27 -0800 | [diff] [blame] | 351 | delete heap_; |
Elliott Hughes | cf4c6c4 | 2011-09-01 15:16:42 -0700 | [diff] [blame] | 352 | delete intern_table_; |
Mathieu Chartier | e58991b | 2015-10-13 07:59:34 -0700 | [diff] [blame] | 353 | delete oat_file_manager_; |
Elliott Hughes | c1674ed | 2011-08-25 18:09:09 -0700 | [diff] [blame] | 354 | Thread::Shutdown(); |
Elliott Hughes | 7c6169d | 2012-05-02 16:11:48 -0700 | [diff] [blame] | 355 | QuasiAtomic::Shutdown(); |
Sebastien Hertz | 4d4adb1 | 2013-07-24 16:14:19 +0200 | [diff] [blame] | 356 | verifier::MethodVerifier::Shutdown(); |
Vladimir Marko | 37cf51f | 2015-09-22 11:43:46 +0100 | [diff] [blame] | 357 | |
| 358 | // Destroy allocators before shutting down the MemMap because they may use it. |
Richard Uhler | da0a69e | 2016-10-11 15:06:38 +0100 | [diff] [blame] | 359 | java_vm_.reset(); |
Vladimir Marko | 37cf51f | 2015-09-22 11:43:46 +0100 | [diff] [blame] | 360 | linear_alloc_.reset(); |
| 361 | low_4gb_arena_pool_.reset(); |
| 362 | arena_pool_.reset(); |
Nicolas Geoffray | 25e0456 | 2016-03-01 13:17:58 +0000 | [diff] [blame] | 363 | jit_arena_pool_.reset(); |
Mathieu Chartier | 6e88ef6 | 2014-10-14 15:01:24 -0700 | [diff] [blame] | 364 | MemMap::Shutdown(); |
Vladimir Marko | 37cf51f | 2015-09-22 11:43:46 +0100 | [diff] [blame] | 365 | |
Carl Shapiro | 4acf464 | 2011-07-26 18:54:13 -0700 | [diff] [blame] | 366 | // TODO: acquire a static mutex on Runtime to avoid racing. |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 367 | CHECK(instance_ == nullptr || instance_ == this); |
| 368 | instance_ = nullptr; |
Carl Shapiro | 61e019d | 2011-07-14 16:53:09 -0700 | [diff] [blame] | 369 | } |
| 370 | |
Elliott Hughes | e091855 | 2011-10-28 17:18:29 -0700 | [diff] [blame] | 371 | struct AbortState { |
Ian Rogers | c7dd295 | 2014-10-21 23:31:19 -0700 | [diff] [blame] | 372 | void Dump(std::ostream& os) const { |
Nicolas Geoffray | db97871 | 2014-12-09 13:33:38 +0000 | [diff] [blame] | 373 | if (gAborting > 1) { |
| 374 | os << "Runtime aborting --- recursively, so no thread-specific detail!\n"; |
| 375 | return; |
| 376 | } |
| 377 | gAborting++; |
Elliott Hughes | e091855 | 2011-10-28 17:18:29 -0700 | [diff] [blame] | 378 | os << "Runtime aborting...\n"; |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 379 | if (Runtime::Current() == nullptr) { |
Elliott Hughes | 6c7d244 | 2012-02-01 18:40:47 -0800 | [diff] [blame] | 380 | os << "(Runtime does not yet exist!)\n"; |
Andreas Gampe | 6eb6a39 | 2016-02-10 20:18:37 -0800 | [diff] [blame] | 381 | DumpNativeStack(os, GetTid(), nullptr, " native: ", nullptr); |
Elliott Hughes | 6c7d244 | 2012-02-01 18:40:47 -0800 | [diff] [blame] | 382 | return; |
| 383 | } |
Elliott Hughes | e091855 | 2011-10-28 17:18:29 -0700 | [diff] [blame] | 384 | Thread* self = Thread::Current(); |
Mathieu Chartier | c7a966d | 2014-04-10 18:06:32 -0700 | [diff] [blame] | 385 | if (self == nullptr) { |
Elliott Hughes | e091855 | 2011-10-28 17:18:29 -0700 | [diff] [blame] | 386 | os << "(Aborting thread was not attached to runtime!)\n"; |
Igor Murashkin | b1d8c31 | 2015-08-04 11:18:43 -0700 | [diff] [blame] | 387 | DumpKernelStack(os, GetTid(), " kernel: ", false); |
Christopher Ferris | 6cff48f | 2014-01-26 21:36:13 -0800 | [diff] [blame] | 388 | DumpNativeStack(os, GetTid(), nullptr, " native: ", nullptr); |
Elliott Hughes | e091855 | 2011-10-28 17:18:29 -0700 | [diff] [blame] | 389 | } else { |
Ian Rogers | 2f7f9b6 | 2012-10-10 18:24:05 -0700 | [diff] [blame] | 390 | os << "Aborting thread:\n"; |
Mathieu Chartier | c7a966d | 2014-04-10 18:06:32 -0700 | [diff] [blame] | 391 | if (Locks::mutator_lock_->IsExclusiveHeld(self) || Locks::mutator_lock_->IsSharedHeld(self)) { |
| 392 | DumpThread(os, self); |
| 393 | } else { |
| 394 | if (Locks::mutator_lock_->SharedTryLock(self)) { |
| 395 | DumpThread(os, self); |
| 396 | Locks::mutator_lock_->SharedUnlock(self); |
| 397 | } |
Elliott Hughes | 899e789 | 2012-01-24 14:57:32 -0800 | [diff] [blame] | 398 | } |
Elliott Hughes | e091855 | 2011-10-28 17:18:29 -0700 | [diff] [blame] | 399 | } |
Ian Rogers | 2f7f9b6 | 2012-10-10 18:24:05 -0700 | [diff] [blame] | 400 | DumpAllThreads(os, self); |
| 401 | } |
| 402 | |
Ian Rogers | 7b078e8 | 2014-09-10 14:44:24 -0700 | [diff] [blame] | 403 | // No thread-safety analysis as we do explicitly test for holding the mutator lock. |
Ian Rogers | c7dd295 | 2014-10-21 23:31:19 -0700 | [diff] [blame] | 404 | void DumpThread(std::ostream& os, Thread* self) const NO_THREAD_SAFETY_ANALYSIS { |
Ian Rogers | 7b078e8 | 2014-09-10 14:44:24 -0700 | [diff] [blame] | 405 | DCHECK(Locks::mutator_lock_->IsExclusiveHeld(self) || Locks::mutator_lock_->IsSharedHeld(self)); |
Mathieu Chartier | c7a966d | 2014-04-10 18:06:32 -0700 | [diff] [blame] | 406 | self->Dump(os); |
| 407 | if (self->IsExceptionPending()) { |
Nicolas Geoffray | 14691c5 | 2015-03-05 10:40:17 +0000 | [diff] [blame] | 408 | mirror::Throwable* exception = self->GetException(); |
| 409 | os << "Pending exception " << exception->Dump(); |
Mathieu Chartier | c7a966d | 2014-04-10 18:06:32 -0700 | [diff] [blame] | 410 | } |
| 411 | } |
| 412 | |
Ian Rogers | c7dd295 | 2014-10-21 23:31:19 -0700 | [diff] [blame] | 413 | void DumpAllThreads(std::ostream& os, Thread* self) const { |
Ian Rogers | 4e14e72 | 2014-06-27 17:32:56 -0700 | [diff] [blame] | 414 | Runtime* runtime = Runtime::Current(); |
| 415 | if (runtime != nullptr) { |
| 416 | ThreadList* thread_list = runtime->GetThreadList(); |
| 417 | if (thread_list != nullptr) { |
| 418 | bool tll_already_held = Locks::thread_list_lock_->IsExclusiveHeld(self); |
| 419 | bool ml_already_held = Locks::mutator_lock_->IsSharedHeld(self); |
| 420 | if (!tll_already_held || !ml_already_held) { |
| 421 | os << "Dumping all threads without appropriate locks held:" |
| 422 | << (!tll_already_held ? " thread list lock" : "") |
| 423 | << (!ml_already_held ? " mutator lock" : "") |
| 424 | << "\n"; |
| 425 | } |
| 426 | os << "All threads:\n"; |
Ian Rogers | 7b078e8 | 2014-09-10 14:44:24 -0700 | [diff] [blame] | 427 | thread_list->Dump(os); |
Ian Rogers | 4e14e72 | 2014-06-27 17:32:56 -0700 | [diff] [blame] | 428 | } |
Ian Rogers | 2f7f9b6 | 2012-10-10 18:24:05 -0700 | [diff] [blame] | 429 | } |
Elliott Hughes | e091855 | 2011-10-28 17:18:29 -0700 | [diff] [blame] | 430 | } |
| 431 | }; |
| 432 | |
Andreas Gampe | 90a32b1 | 2016-10-03 19:47:08 -0700 | [diff] [blame] | 433 | void Runtime::Abort(const char* msg) { |
Ian Rogers | f08e473 | 2013-04-09 09:45:49 -0700 | [diff] [blame] | 434 | gAborting++; // set before taking any locks |
Brian Carlstrom | 81b8871 | 2012-11-05 19:21:30 -0800 | [diff] [blame] | 435 | |
Elliott Hughes | 131aef8 | 2012-01-27 11:53:35 -0800 | [diff] [blame] | 436 | // Ensure that we don't have multiple threads trying to abort at once, |
| 437 | // which would result in significantly worse diagnostics. |
Ian Rogers | 50b35e2 | 2012-10-04 10:09:15 -0700 | [diff] [blame] | 438 | MutexLock mu(Thread::Current(), *Locks::abort_lock_); |
Elliott Hughes | 131aef8 | 2012-01-27 11:53:35 -0800 | [diff] [blame] | 439 | |
Elliott Hughes | ffe6736 | 2011-07-17 12:09:27 -0700 | [diff] [blame] | 440 | // Get any pending output out of the way. |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 441 | fflush(nullptr); |
Elliott Hughes | ffe6736 | 2011-07-17 12:09:27 -0700 | [diff] [blame] | 442 | |
| 443 | // Many people have difficulty distinguish aborts from crashes, |
| 444 | // so be explicit. |
Elliott Hughes | e091855 | 2011-10-28 17:18:29 -0700 | [diff] [blame] | 445 | AbortState state; |
Andreas Gampe | 3fec9ac | 2016-09-13 10:47:28 -0700 | [diff] [blame] | 446 | LOG(FATAL_WITHOUT_ABORT) << Dumpable<AbortState>(state); |
Elliott Hughes | ffe6736 | 2011-07-17 12:09:27 -0700 | [diff] [blame] | 447 | |
Andreas Gampe | 90a32b1 | 2016-10-03 19:47:08 -0700 | [diff] [blame] | 448 | // Sometimes we dump long messages, and the Android abort message only retains the first line. |
| 449 | // In those cases, just log the message again, to avoid logcat limits. |
| 450 | if (msg != nullptr && strchr(msg, '\n') != nullptr) { |
| 451 | LOG(FATAL_WITHOUT_ABORT) << msg; |
| 452 | } |
| 453 | |
Elliott Hughes | 8593fdb | 2012-04-21 20:53:44 -0700 | [diff] [blame] | 454 | // Call the abort hook if we have one. |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 455 | if (Runtime::Current() != nullptr && Runtime::Current()->abort_ != nullptr) { |
Andreas Gampe | 3fec9ac | 2016-09-13 10:47:28 -0700 | [diff] [blame] | 456 | LOG(FATAL_WITHOUT_ABORT) << "Calling abort hook..."; |
Brian Carlstrom | 6ea095a | 2011-08-16 15:26:54 -0700 | [diff] [blame] | 457 | Runtime::Current()->abort_(); |
| 458 | // notreached |
Andreas Gampe | 3fec9ac | 2016-09-13 10:47:28 -0700 | [diff] [blame] | 459 | LOG(FATAL_WITHOUT_ABORT) << "Unexpectedly returned from abort hook!"; |
Brian Carlstrom | 6ea095a | 2011-08-16 15:26:54 -0700 | [diff] [blame] | 460 | } |
| 461 | |
Elliott Hughes | dd623db | 2013-06-11 11:20:23 -0700 | [diff] [blame] | 462 | #if defined(__GLIBC__) |
Elliott Hughes | d06a6c7 | 2012-05-30 17:59:06 -0700 | [diff] [blame] | 463 | // TODO: we ought to be able to use pthread_kill(3) here (or abort(3), |
| 464 | // which POSIX defines in terms of raise(3), which POSIX defines in terms |
| 465 | // of pthread_kill(3)). On Linux, though, libcorkscrew can't unwind through |
| 466 | // libpthread, which means the stacks we dump would be useless. Calling |
| 467 | // tgkill(2) directly avoids that. |
| 468 | syscall(__NR_tgkill, getpid(), GetTid(), SIGABRT); |
Elliott Hughes | dd623db | 2013-06-11 11:20:23 -0700 | [diff] [blame] | 469 | // TODO: LLVM installs it's own SIGABRT handler so exit to be safe... Can we disable that in LLVM? |
| 470 | // 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] | 471 | exit(1); |
Elliott Hughes | dd623db | 2013-06-11 11:20:23 -0700 | [diff] [blame] | 472 | #else |
| 473 | abort(); |
Elliott Hughes | d06a6c7 | 2012-05-30 17:59:06 -0700 | [diff] [blame] | 474 | #endif |
Elliott Hughes | ffe6736 | 2011-07-17 12:09:27 -0700 | [diff] [blame] | 475 | // notreached |
| 476 | } |
| 477 | |
Narayan Kamath | 3de95a7 | 2014-04-02 12:54:23 +0100 | [diff] [blame] | 478 | void Runtime::PreZygoteFork() { |
Mathieu Chartier | cc236d7 | 2012-07-20 10:29:05 -0700 | [diff] [blame] | 479 | heap_->PreZygoteFork(); |
Mathieu Chartier | cc236d7 | 2012-07-20 10:29:05 -0700 | [diff] [blame] | 480 | } |
| 481 | |
Elliott Hughes | bf86d04 | 2011-08-31 17:53:14 -0700 | [diff] [blame] | 482 | void Runtime::CallExitHook(jint status) { |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 483 | if (exit_ != nullptr) { |
Elliott Hughes | 34e0696 | 2012-04-09 13:55:55 -0700 | [diff] [blame] | 484 | ScopedThreadStateChange tsc(Thread::Current(), kNative); |
Elliott Hughes | bf86d04 | 2011-08-31 17:53:14 -0700 | [diff] [blame] | 485 | exit_(status); |
| 486 | LOG(WARNING) << "Exit hook returned instead of exiting!"; |
| 487 | } |
| 488 | } |
| 489 | |
Mathieu Chartier | 9750995 | 2015-07-13 14:35:43 -0700 | [diff] [blame] | 490 | void Runtime::SweepSystemWeaks(IsMarkedVisitor* visitor) { |
| 491 | GetInternTable()->SweepInternTableWeaks(visitor); |
| 492 | GetMonitorList()->SweepMonitorList(visitor); |
| 493 | GetJavaVM()->SweepJniWeakGlobals(visitor); |
| 494 | GetHeap()->SweepAllocationRecords(visitor); |
Nicolas Geoffray | ac3ebc3 | 2016-10-05 13:13:50 +0100 | [diff] [blame] | 495 | if (GetJit() != nullptr) { |
| 496 | // Visit JIT literal tables. Objects in these tables are classes and strings |
| 497 | // and only classes can be affected by class unloading. The strings always |
| 498 | // stay alive as they are strongly interned. |
| 499 | // TODO: Move this closer to CleanupClassLoaders, to avoid blocking weak accesses |
| 500 | // from mutators. See b/32167580. |
| 501 | GetJit()->GetCodeCache()->SweepRootTables(visitor); |
| 502 | } |
Andreas Gampe | fda5714 | 2016-09-08 20:29:18 -0700 | [diff] [blame] | 503 | |
| 504 | // All other generic system-weak holders. |
| 505 | for (gc::AbstractSystemWeakHolder* holder : system_weak_holders_) { |
| 506 | holder->Sweep(visitor); |
| 507 | } |
Mathieu Chartier | 6aa3df9 | 2013-09-17 15:17:28 -0700 | [diff] [blame] | 508 | } |
| 509 | |
Vladimir Marko | 88b2b80 | 2015-12-04 14:19:04 +0000 | [diff] [blame] | 510 | bool Runtime::ParseOptions(const RuntimeOptions& raw_options, |
| 511 | bool ignore_unrecognized, |
| 512 | RuntimeArgumentMap* runtime_options) { |
David Sehr | f57589f | 2016-10-17 10:09:33 -0700 | [diff] [blame] | 513 | InitLogging(/* argv */ nullptr, Aborter); // Calls Locks::Init() as a side effect. |
Vladimir Marko | 88b2b80 | 2015-12-04 14:19:04 +0000 | [diff] [blame] | 514 | bool parsed = ParsedOptions::Parse(raw_options, ignore_unrecognized, runtime_options); |
| 515 | if (!parsed) { |
| 516 | LOG(ERROR) << "Failed to parse options"; |
| 517 | return false; |
| 518 | } |
| 519 | return true; |
| 520 | } |
| 521 | |
David Sehr | f42eb2c | 2016-10-19 13:20:45 -0700 | [diff] [blame] | 522 | // Callback to check whether it is safe to call Abort (e.g., to use a call to |
| 523 | // LOG(FATAL)). It is only safe to call Abort if the runtime has been created, |
| 524 | // properly initialized, and has not shut down. |
| 525 | static bool IsSafeToCallAbort() NO_THREAD_SAFETY_ANALYSIS { |
| 526 | Runtime* runtime = Runtime::Current(); |
| 527 | return runtime != nullptr && runtime->IsStarted() && !runtime->IsShuttingDownLocked(); |
| 528 | } |
| 529 | |
Vladimir Marko | 88b2b80 | 2015-12-04 14:19:04 +0000 | [diff] [blame] | 530 | bool Runtime::Create(RuntimeArgumentMap&& runtime_options) { |
Carl Shapiro | 2ed144c | 2011-07-26 16:52:08 -0700 | [diff] [blame] | 531 | // TODO: acquire a static mutex on Runtime to avoid racing. |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 532 | if (Runtime::instance_ != nullptr) { |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 533 | return false; |
Carl Shapiro | 2ed144c | 2011-07-26 16:52:08 -0700 | [diff] [blame] | 534 | } |
Elliott Hughes | dcc2474 | 2011-09-07 14:02:44 -0700 | [diff] [blame] | 535 | instance_ = new Runtime; |
David Sehr | f42eb2c | 2016-10-19 13:20:45 -0700 | [diff] [blame] | 536 | Locks::SetClientCallback(IsSafeToCallAbort); |
Vladimir Marko | 88b2b80 | 2015-12-04 14:19:04 +0000 | [diff] [blame] | 537 | if (!instance_->Init(std::move(runtime_options))) { |
Jean Christophe Beyler | 24e04aa | 2014-09-12 12:03:25 -0700 | [diff] [blame] | 538 | // TODO: Currently deleting the instance will abort the runtime on destruction. Now This will |
| 539 | // leak memory, instead. Fix the destructor. b/19100793. |
| 540 | // delete instance_; |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 541 | instance_ = nullptr; |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 542 | return false; |
Carl Shapiro | 61e019d | 2011-07-14 16:53:09 -0700 | [diff] [blame] | 543 | } |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 544 | return true; |
Brian Carlstrom | 69b15fb | 2011-09-03 12:25:21 -0700 | [diff] [blame] | 545 | } |
Elliott Hughes | 0af5543 | 2011-08-17 18:37:28 -0700 | [diff] [blame] | 546 | |
Vladimir Marko | 88b2b80 | 2015-12-04 14:19:04 +0000 | [diff] [blame] | 547 | bool Runtime::Create(const RuntimeOptions& raw_options, bool ignore_unrecognized) { |
| 548 | RuntimeArgumentMap runtime_options; |
| 549 | return ParseOptions(raw_options, ignore_unrecognized, &runtime_options) && |
| 550 | Create(std::move(runtime_options)); |
| 551 | } |
| 552 | |
Andreas Gampe | 81c6f8d | 2015-03-25 17:19:53 -0700 | [diff] [blame] | 553 | static jobject CreateSystemClassLoader(Runtime* runtime) { |
| 554 | if (runtime->IsAotCompiler() && !runtime->GetCompilerCallbacks()->IsBootImage()) { |
| 555 | return nullptr; |
Brian Carlstrom | aded5f7 | 2011-10-07 17:15:04 -0700 | [diff] [blame] | 556 | } |
| 557 | |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 558 | ScopedObjectAccess soa(Thread::Current()); |
Mathieu Chartier | c528dba | 2013-11-26 12:00:11 -0800 | [diff] [blame] | 559 | ClassLinker* cl = Runtime::Current()->GetClassLinker(); |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 560 | auto pointer_size = cl->GetImagePointerSize(); |
Brian Carlstrom | aded5f7 | 2011-10-07 17:15:04 -0700 | [diff] [blame] | 561 | |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 562 | StackHandleScope<2> hs(soa.Self()); |
Mathieu Chartier | eb8167a | 2014-05-07 15:43:14 -0700 | [diff] [blame] | 563 | Handle<mirror::Class> class_loader_class( |
Mathieu Chartier | 0795f23 | 2016-09-27 18:43:30 -0700 | [diff] [blame] | 564 | hs.NewHandle(soa.Decode<mirror::Class>(WellKnownClasses::java_lang_ClassLoader))); |
Ian Rogers | 7b078e8 | 2014-09-10 14:44:24 -0700 | [diff] [blame] | 565 | CHECK(cl->EnsureInitialized(soa.Self(), class_loader_class, true, true)); |
Brian Carlstrom | aded5f7 | 2011-10-07 17:15:04 -0700 | [diff] [blame] | 566 | |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 567 | ArtMethod* getSystemClassLoader = class_loader_class->FindDirectMethod( |
| 568 | "getSystemClassLoader", "()Ljava/lang/ClassLoader;", pointer_size); |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 569 | CHECK(getSystemClassLoader != nullptr); |
Brian Carlstrom | aded5f7 | 2011-10-07 17:15:04 -0700 | [diff] [blame] | 570 | |
Andreas Gampe | 13b2784 | 2016-11-07 16:48:23 -0800 | [diff] [blame] | 571 | JValue result = InvokeWithJValues(soa, |
| 572 | nullptr, |
| 573 | jni::EncodeArtMethod(getSystemClassLoader), |
| 574 | nullptr); |
Brian Carlstrom | ce88853 | 2013-10-10 00:32:58 -0700 | [diff] [blame] | 575 | JNIEnv* env = soa.Self()->GetJniEnv(); |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 576 | ScopedLocalRef<jobject> system_class_loader(env, soa.AddLocalReference<jobject>(result.GetL())); |
Mathieu Chartier | c528dba | 2013-11-26 12:00:11 -0800 | [diff] [blame] | 577 | CHECK(system_class_loader.get() != nullptr); |
Brian Carlstrom | ce88853 | 2013-10-10 00:32:58 -0700 | [diff] [blame] | 578 | |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 579 | soa.Self()->SetClassLoaderOverride(system_class_loader.get()); |
Ian Rogers | 365c102 | 2012-06-22 15:05:28 -0700 | [diff] [blame] | 580 | |
Mathieu Chartier | eb8167a | 2014-05-07 15:43:14 -0700 | [diff] [blame] | 581 | Handle<mirror::Class> thread_class( |
Mathieu Chartier | 0795f23 | 2016-09-27 18:43:30 -0700 | [diff] [blame] | 582 | hs.NewHandle(soa.Decode<mirror::Class>(WellKnownClasses::java_lang_Thread))); |
Ian Rogers | 7b078e8 | 2014-09-10 14:44:24 -0700 | [diff] [blame] | 583 | CHECK(cl->EnsureInitialized(soa.Self(), thread_class, true, true)); |
Ian Rogers | 365c102 | 2012-06-22 15:05:28 -0700 | [diff] [blame] | 584 | |
Mathieu Chartier | c785344 | 2015-03-27 14:35:38 -0700 | [diff] [blame] | 585 | ArtField* contextClassLoader = |
Mathieu Chartier | c528dba | 2013-11-26 12:00:11 -0800 | [diff] [blame] | 586 | thread_class->FindDeclaredInstanceField("contextClassLoader", "Ljava/lang/ClassLoader;"); |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 587 | CHECK(contextClassLoader != nullptr); |
Ian Rogers | 365c102 | 2012-06-22 15:05:28 -0700 | [diff] [blame] | 588 | |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 589 | // We can't run in a transaction yet. |
Mathieu Chartier | 0795f23 | 2016-09-27 18:43:30 -0700 | [diff] [blame] | 590 | contextClassLoader->SetObject<false>( |
| 591 | soa.Self()->GetPeer(), |
Mathieu Chartier | 1cc62e4 | 2016-10-03 18:01:28 -0700 | [diff] [blame] | 592 | soa.Decode<mirror::ClassLoader>(system_class_loader.get()).Ptr()); |
Brian Carlstrom | ce88853 | 2013-10-10 00:32:58 -0700 | [diff] [blame] | 593 | |
| 594 | return env->NewGlobalRef(system_class_loader.get()); |
Brian Carlstrom | aded5f7 | 2011-10-07 17:15:04 -0700 | [diff] [blame] | 595 | } |
| 596 | |
Alex Light | a59dd80 | 2014-07-02 16:28:08 -0700 | [diff] [blame] | 597 | std::string Runtime::GetPatchoatExecutable() const { |
| 598 | if (!patchoat_executable_.empty()) { |
| 599 | return patchoat_executable_; |
| 600 | } |
Andreas Gampe | 277ccbd | 2014-11-03 21:36:10 -0800 | [diff] [blame] | 601 | std::string patchoat_executable(GetAndroidRoot()); |
| 602 | patchoat_executable += (kIsDebugBuild ? "/bin/patchoatd" : "/bin/patchoat"); |
| 603 | return patchoat_executable; |
Alex Light | a59dd80 | 2014-07-02 16:28:08 -0700 | [diff] [blame] | 604 | } |
| 605 | |
Tsu Chiang Chuang | 12e6d74 | 2014-05-22 10:22:25 -0700 | [diff] [blame] | 606 | std::string Runtime::GetCompilerExecutable() const { |
| 607 | if (!compiler_executable_.empty()) { |
| 608 | return compiler_executable_; |
| 609 | } |
| 610 | std::string compiler_executable(GetAndroidRoot()); |
| 611 | compiler_executable += (kIsDebugBuild ? "/bin/dex2oatd" : "/bin/dex2oat"); |
| 612 | return compiler_executable; |
| 613 | } |
| 614 | |
Brian Carlstrom | bd86bcc | 2013-03-10 20:26:16 -0700 | [diff] [blame] | 615 | bool Runtime::Start() { |
Elliott Hughes | 4dd9b4d | 2011-12-12 18:29:24 -0800 | [diff] [blame] | 616 | VLOG(startup) << "Runtime::Start entering"; |
Brian Carlstrom | 58ae941 | 2011-10-04 00:56:06 -0700 | [diff] [blame] | 617 | |
Calin Juravle | 01aaf6e | 2015-06-19 22:05:39 +0100 | [diff] [blame] | 618 | CHECK(!no_sig_chain_) << "A started runtime should have sig chain enabled"; |
| 619 | |
Hiroshi Yamauchi | 6ffb9cc | 2015-08-31 15:14:17 -0700 | [diff] [blame] | 620 | // If a debug host build, disable ptrace restriction for debugging and test timeout thread dump. |
Hiroshi Yamauchi | c823eff | 2015-09-01 16:21:35 -0700 | [diff] [blame] | 621 | // Only 64-bit as prctl() may fail in 32 bit userspace on a 64-bit kernel. |
Bilyan Borisov | bb661c0 | 2016-04-04 16:27:32 +0100 | [diff] [blame] | 622 | #if defined(__linux__) && !defined(ART_TARGET_ANDROID) && defined(__x86_64__) |
Hiroshi Yamauchi | 6ffb9cc | 2015-08-31 15:14:17 -0700 | [diff] [blame] | 623 | if (kIsDebugBuild) { |
| 624 | CHECK_EQ(prctl(PR_SET_PTRACER, PR_SET_PTRACER_ANY), 0); |
| 625 | } |
| 626 | #endif |
| 627 | |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 628 | // Restore main thread state to kNative as expected by native code. |
Ian Rogers | a436fde | 2013-08-27 23:34:06 -0700 | [diff] [blame] | 629 | Thread* self = Thread::Current(); |
Alex Light | 64ad14d | 2014-08-19 14:23:13 -0700 | [diff] [blame] | 630 | |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 631 | self->TransitionFromRunnableToSuspended(kNative); |
| 632 | |
Brian Carlstrom | 5d40f18 | 2011-09-26 22:29:18 -0700 | [diff] [blame] | 633 | started_ = true; |
| 634 | |
Calin Juravle | ffc8707 | 2016-04-20 14:22:09 +0100 | [diff] [blame] | 635 | // Create the JIT either if we have to use JIT compilation or save profiling info. |
| 636 | // TODO(calin): We use the JIT class as a proxy for JIT compilation and for |
| 637 | // recoding profiles. Maybe we should consider changing the name to be more clear it's |
| 638 | // not only about compiling. b/28295073. |
| 639 | if (jit_options_->UseJitCompilation() || jit_options_->GetSaveProfilingInfo()) { |
Mathieu Chartier | 72918ea | 2016-03-24 11:07:06 -0700 | [diff] [blame] | 640 | std::string error_msg; |
| 641 | if (!IsZygote()) { |
| 642 | // If we are the zygote then we need to wait until after forking to create the code cache |
| 643 | // due to SELinux restrictions on r/w/x memory regions. |
| 644 | CreateJit(); |
Calin Juravle | ffc8707 | 2016-04-20 14:22:09 +0100 | [diff] [blame] | 645 | } else if (jit_options_->UseJitCompilation()) { |
| 646 | if (!jit::Jit::LoadCompilerLibrary(&error_msg)) { |
| 647 | // Try to load compiler pre zygote to reduce PSS. b/27744947 |
| 648 | LOG(WARNING) << "Failed to load JIT compiler with error " << error_msg; |
| 649 | } |
Mathieu Chartier | 72918ea | 2016-03-24 11:07:06 -0700 | [diff] [blame] | 650 | } |
Mathieu Chartier | e5f13e5 | 2015-02-24 09:37:21 -0800 | [diff] [blame] | 651 | } |
| 652 | |
Jeff Hao | dcdc85b | 2015-12-04 14:06:18 -0800 | [diff] [blame] | 653 | if (!IsImageDex2OatEnabled() || !GetHeap()->HasBootImageSpace()) { |
Mathieu Chartier | eb175f7 | 2014-10-31 11:49:27 -0700 | [diff] [blame] | 654 | ScopedObjectAccess soa(self); |
Przemyslaw Szczepaniak | a2b147e | 2016-05-12 14:55:48 +0100 | [diff] [blame] | 655 | StackHandleScope<2> hs(soa.Self()); |
| 656 | |
| 657 | auto class_class(hs.NewHandle<mirror::Class>(mirror::Class::GetJavaLangClass())); |
| 658 | auto field_class(hs.NewHandle<mirror::Class>(mirror::Field::StaticClass())); |
| 659 | |
| 660 | class_linker_->EnsureInitialized(soa.Self(), class_class, true, true); |
| 661 | // Field class is needed for register_java_net_InetAddress in libcore, b/28153851. |
| 662 | class_linker_->EnsureInitialized(soa.Self(), field_class, true, true); |
Alex Light | 64ad14d | 2014-08-19 14:23:13 -0700 | [diff] [blame] | 663 | } |
| 664 | |
Brian Carlstrom | ae82698 | 2011-11-09 01:33:42 -0800 | [diff] [blame] | 665 | // InitNativeMethods needs to be after started_ so that the classes |
| 666 | // it touches will have methods linked to the oat file if necessary. |
Mathieu Chartier | 32ce2ad | 2016-03-04 14:58:03 -0800 | [diff] [blame] | 667 | { |
| 668 | ScopedTrace trace2("InitNativeMethods"); |
| 669 | InitNativeMethods(); |
| 670 | } |
Brian Carlstrom | ae82698 | 2011-11-09 01:33:42 -0800 | [diff] [blame] | 671 | |
Ian Rogers | 365c102 | 2012-06-22 15:05:28 -0700 | [diff] [blame] | 672 | // Initialize well known thread group values that may be accessed threads while attaching. |
| 673 | InitThreadGroups(self); |
| 674 | |
Jesse Wilson | 9a6bae8 | 2011-11-14 14:57:30 -0500 | [diff] [blame] | 675 | Thread::FinishStartup(); |
| 676 | |
Andreas Gampe | 81c6f8d | 2015-03-25 17:19:53 -0700 | [diff] [blame] | 677 | system_class_loader_ = CreateSystemClassLoader(this); |
jgu21 | a6da74e | 2014-09-10 06:57:17 -0400 | [diff] [blame] | 678 | |
Robert Sesek | b226703 | 2016-09-13 19:12:57 -0400 | [diff] [blame] | 679 | if (!is_zygote_) { |
Calin Juravle | 07d83c7 | 2014-10-22 21:02:23 +0100 | [diff] [blame] | 680 | if (is_native_bridge_loaded_) { |
jgu21 | a6da74e | 2014-09-10 06:57:17 -0400 | [diff] [blame] | 681 | PreInitializeNativeBridge("."); |
| 682 | } |
Calin Juravle | d3e7c6c | 2016-02-04 19:07:51 +0000 | [diff] [blame] | 683 | NativeBridgeAction action = force_native_bridge_ |
| 684 | ? NativeBridgeAction::kInitialize |
| 685 | : NativeBridgeAction::kUnload; |
Nicolas Geoffray | ba69a51 | 2015-11-17 13:50:21 +0000 | [diff] [blame] | 686 | InitNonZygoteOrPostFork(self->GetJniEnv(), |
Nicolas Geoffray | d66c862 | 2015-12-11 14:59:16 +0000 | [diff] [blame] | 687 | /* is_system_server */ false, |
Calin Juravle | d3e7c6c | 2016-02-04 19:07:51 +0000 | [diff] [blame] | 688 | action, |
Nicolas Geoffray | ba69a51 | 2015-11-17 13:50:21 +0000 | [diff] [blame] | 689 | GetInstructionSetString(kRuntimeISA)); |
Elliott Hughes | d1cc836 | 2011-10-24 16:58:50 -0700 | [diff] [blame] | 690 | } |
Elliott Hughes | 9ca7a1f | 2011-10-11 14:29:52 -0700 | [diff] [blame] | 691 | |
Elliott Hughes | 85d1545 | 2011-09-16 17:33:01 -0700 | [diff] [blame] | 692 | StartDaemonThreads(); |
Brian Carlstrom | 0a5b14d | 2011-09-27 13:29:15 -0700 | [diff] [blame] | 693 | |
Yevgeny Rouban | 35aef2c | 2014-05-19 16:19:36 +0700 | [diff] [blame] | 694 | { |
| 695 | ScopedObjectAccess soa(self); |
| 696 | self->GetJniEnv()->locals.AssertEmpty(); |
| 697 | } |
Elliott Hughes | 726079d | 2011-10-07 18:43:44 -0700 | [diff] [blame] | 698 | |
Elliott Hughes | 4dd9b4d | 2011-12-12 18:29:24 -0800 | [diff] [blame] | 699 | VLOG(startup) << "Runtime::Start exiting"; |
Mathieu Chartier | 7664f5c | 2012-06-08 18:15:32 -0700 | [diff] [blame] | 700 | finished_starting_ = true; |
Brian Carlstrom | bd86bcc | 2013-03-10 20:26:16 -0700 | [diff] [blame] | 701 | |
Andreas Gampe | 40da286 | 2015-02-27 12:49:04 -0800 | [diff] [blame] | 702 | if (trace_config_.get() != nullptr && trace_config_->trace_file != "") { |
| 703 | ScopedThreadStateChange tsc(self, kWaitingForMethodTracingStart); |
| 704 | Trace::Start(trace_config_->trace_file.c_str(), |
| 705 | -1, |
| 706 | static_cast<int>(trace_config_->trace_file_size), |
| 707 | 0, |
| 708 | trace_config_->trace_output_mode, |
| 709 | trace_config_->trace_mode, |
| 710 | 0); |
| 711 | } |
| 712 | |
Brian Carlstrom | bd86bcc | 2013-03-10 20:26:16 -0700 | [diff] [blame] | 713 | return true; |
Elliott Hughes | 85d1545 | 2011-09-16 17:33:01 -0700 | [diff] [blame] | 714 | } |
| 715 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 716 | void Runtime::EndThreadBirth() REQUIRES(Locks::runtime_shutdown_lock_) { |
Ian Rogers | 120f1c7 | 2012-09-28 17:17:10 -0700 | [diff] [blame] | 717 | DCHECK_GT(threads_being_born_, 0U); |
| 718 | threads_being_born_--; |
| 719 | if (shutting_down_started_ && threads_being_born_ == 0) { |
Ian Rogers | c604d73 | 2012-10-14 16:09:54 -0700 | [diff] [blame] | 720 | shutdown_cond_->Broadcast(Thread::Current()); |
Ian Rogers | 120f1c7 | 2012-09-28 17:17:10 -0700 | [diff] [blame] | 721 | } |
| 722 | } |
| 723 | |
Nicolas Geoffray | d66c862 | 2015-12-11 14:59:16 +0000 | [diff] [blame] | 724 | void Runtime::InitNonZygoteOrPostFork( |
| 725 | JNIEnv* env, bool is_system_server, NativeBridgeAction action, const char* isa) { |
Brian Carlstrom | caabb1b | 2011-10-11 18:09:13 -0700 | [diff] [blame] | 726 | is_zygote_ = false; |
Elliott Hughes | d1cc836 | 2011-10-24 16:58:50 -0700 | [diff] [blame] | 727 | |
Calin Juravle | 07d83c7 | 2014-10-22 21:02:23 +0100 | [diff] [blame] | 728 | if (is_native_bridge_loaded_) { |
| 729 | switch (action) { |
| 730 | case NativeBridgeAction::kUnload: |
| 731 | UnloadNativeBridge(); |
| 732 | is_native_bridge_loaded_ = false; |
| 733 | break; |
Andreas Gampe | 6be67ee | 2014-09-02 21:22:18 -0700 | [diff] [blame] | 734 | |
Calin Juravle | 07d83c7 | 2014-10-22 21:02:23 +0100 | [diff] [blame] | 735 | case NativeBridgeAction::kInitialize: |
| 736 | InitializeNativeBridge(env, isa); |
| 737 | break; |
| 738 | } |
Andreas Gampe | 6be67ee | 2014-09-02 21:22:18 -0700 | [diff] [blame] | 739 | } |
| 740 | |
Mathieu Chartier | e5f13e5 | 2015-02-24 09:37:21 -0800 | [diff] [blame] | 741 | // Create the thread pools. |
Mathieu Chartier | 02b6a78 | 2012-10-26 13:51:26 -0700 | [diff] [blame] | 742 | heap_->CreateThreadPool(); |
Hiroshi Yamauchi | 3767017 | 2015-06-10 17:20:54 -0700 | [diff] [blame] | 743 | // Reset the gc performance data at zygote fork so that the GCs |
| 744 | // before fork aren't attributed to an app. |
| 745 | heap_->ResetGcPerformanceInfo(); |
| 746 | |
Calin Juravle | ffc8707 | 2016-04-20 14:22:09 +0100 | [diff] [blame] | 747 | |
| 748 | if (!is_system_server && |
| 749 | !safe_mode_ && |
| 750 | (jit_options_->UseJitCompilation() || jit_options_->GetSaveProfilingInfo()) && |
| 751 | jit_.get() == nullptr) { |
Nicolas Geoffray | ba69a51 | 2015-11-17 13:50:21 +0000 | [diff] [blame] | 752 | // Note that when running ART standalone (not zygote, nor zygote fork), |
| 753 | // the jit may have already been created. |
Mathieu Chartier | e5f13e5 | 2015-02-24 09:37:21 -0800 | [diff] [blame] | 754 | CreateJit(); |
Mathieu Chartier | e5f13e5 | 2015-02-24 09:37:21 -0800 | [diff] [blame] | 755 | } |
Mathieu Chartier | 02b6a78 | 2012-10-26 13:51:26 -0700 | [diff] [blame] | 756 | |
Brian Carlstrom | caabb1b | 2011-10-11 18:09:13 -0700 | [diff] [blame] | 757 | StartSignalCatcher(); |
Elliott Hughes | d1cc836 | 2011-10-24 16:58:50 -0700 | [diff] [blame] | 758 | |
| 759 | // Start the JDWP thread. If the command-line debugger flags specified "suspend=y", |
| 760 | // this will pause the runtime, so we probably want this to come last. |
Sebastien Hertz | b3b173b | 2015-02-06 09:16:32 +0100 | [diff] [blame] | 761 | Dbg::StartJdwp(); |
Brian Carlstrom | caabb1b | 2011-10-11 18:09:13 -0700 | [diff] [blame] | 762 | } |
| 763 | |
| 764 | void Runtime::StartSignalCatcher() { |
| 765 | if (!is_zygote_) { |
Elliott Hughes | 94ce37a | 2011-10-18 15:07:48 -0700 | [diff] [blame] | 766 | signal_catcher_ = new SignalCatcher(stack_trace_file_); |
Brian Carlstrom | caabb1b | 2011-10-11 18:09:13 -0700 | [diff] [blame] | 767 | } |
| 768 | } |
| 769 | |
Mathieu Chartier | 590fee9 | 2013-09-13 13:46:47 -0700 | [diff] [blame] | 770 | bool Runtime::IsShuttingDown(Thread* self) { |
| 771 | MutexLock mu(self, *Locks::runtime_shutdown_lock_); |
| 772 | return IsShuttingDownLocked(); |
| 773 | } |
| 774 | |
Nicolas Geoffray | 7a4d015 | 2015-07-10 17:29:39 +0100 | [diff] [blame] | 775 | bool Runtime::IsDebuggable() const { |
Mathieu Chartier | f9c6fc6 | 2015-10-07 11:44:05 -0700 | [diff] [blame] | 776 | const OatFile* oat_file = GetOatFileManager().GetPrimaryOatFile(); |
Nicolas Geoffray | 7a4d015 | 2015-07-10 17:29:39 +0100 | [diff] [blame] | 777 | return oat_file != nullptr && oat_file->IsDebuggable(); |
| 778 | } |
| 779 | |
Elliott Hughes | 85d1545 | 2011-09-16 17:33:01 -0700 | [diff] [blame] | 780 | void Runtime::StartDaemonThreads() { |
Mathieu Chartier | 32ce2ad | 2016-03-04 14:58:03 -0800 | [diff] [blame] | 781 | ScopedTrace trace(__FUNCTION__); |
Elliott Hughes | 4dd9b4d | 2011-12-12 18:29:24 -0800 | [diff] [blame] | 782 | VLOG(startup) << "Runtime::StartDaemonThreads entering"; |
Elliott Hughes | 85d1545 | 2011-09-16 17:33:01 -0700 | [diff] [blame] | 783 | |
Elliott Hughes | 719b323 | 2011-09-25 17:42:19 -0700 | [diff] [blame] | 784 | Thread* self = Thread::Current(); |
Brian Carlstrom | aded5f7 | 2011-10-07 17:15:04 -0700 | [diff] [blame] | 785 | |
| 786 | // Must be in the kNative state for calling native methods. |
Ian Rogers | 50b35e2 | 2012-10-04 10:09:15 -0700 | [diff] [blame] | 787 | CHECK_EQ(self->GetState(), kNative); |
Brian Carlstrom | aded5f7 | 2011-10-07 17:15:04 -0700 | [diff] [blame] | 788 | |
Elliott Hughes | 719b323 | 2011-09-25 17:42:19 -0700 | [diff] [blame] | 789 | JNIEnv* env = self->GetJniEnv(); |
Ian Rogers | 2fa6b2e | 2012-10-17 00:10:17 -0700 | [diff] [blame] | 790 | env->CallStaticVoidMethod(WellKnownClasses::java_lang_Daemons, |
| 791 | WellKnownClasses::java_lang_Daemons_start); |
| 792 | if (env->ExceptionCheck()) { |
| 793 | env->ExceptionDescribe(); |
| 794 | LOG(FATAL) << "Error starting java.lang.Daemons"; |
| 795 | } |
Elliott Hughes | 9ca7a1f | 2011-10-11 14:29:52 -0700 | [diff] [blame] | 796 | |
Elliott Hughes | 4dd9b4d | 2011-12-12 18:29:24 -0800 | [diff] [blame] | 797 | VLOG(startup) << "Runtime::StartDaemonThreads exiting"; |
Carl Shapiro | 61e019d | 2011-07-14 16:53:09 -0700 | [diff] [blame] | 798 | } |
| 799 | |
Jeff Hao | dcdc85b | 2015-12-04 14:06:18 -0800 | [diff] [blame] | 800 | // Attempts to open dex files from image(s). Given the image location, try to find the oat file |
| 801 | // and open it to get the stored dex file. If the image is the first for a multi-image boot |
| 802 | // classpath, go on and also open the other images. |
Ian Rogers | 6a3c1fc | 2014-10-31 00:33:20 -0700 | [diff] [blame] | 803 | static bool OpenDexFilesFromImage(const std::string& image_location, |
Igor Murashkin | b1d8c31 | 2015-08-04 11:18:43 -0700 | [diff] [blame] | 804 | std::vector<std::unique_ptr<const DexFile>>* dex_files, |
| 805 | size_t* failures) { |
| 806 | DCHECK(dex_files != nullptr) << "OpenDexFilesFromImage: out-param is nullptr"; |
Alex Light | 84d7605 | 2014-08-22 17:49:35 -0700 | [diff] [blame] | 807 | |
Jeff Hao | dcdc85b | 2015-12-04 14:06:18 -0800 | [diff] [blame] | 808 | // Use a work-list approach, so that we can easily reuse the opening code. |
| 809 | std::vector<std::string> image_locations; |
| 810 | image_locations.push_back(image_location); |
| 811 | |
| 812 | for (size_t index = 0; index < image_locations.size(); ++index) { |
| 813 | std::string system_filename; |
| 814 | bool has_system = false; |
| 815 | std::string cache_filename_unused; |
| 816 | bool dalvik_cache_exists_unused; |
| 817 | bool has_cache_unused; |
| 818 | bool is_global_cache_unused; |
| 819 | bool found_image = gc::space::ImageSpace::FindImageFilename(image_locations[index].c_str(), |
| 820 | kRuntimeISA, |
| 821 | &system_filename, |
| 822 | &has_system, |
| 823 | &cache_filename_unused, |
| 824 | &dalvik_cache_exists_unused, |
| 825 | &has_cache_unused, |
| 826 | &is_global_cache_unused); |
| 827 | |
| 828 | if (!found_image || !has_system) { |
| 829 | return false; |
Alex Light | 84d7605 | 2014-08-22 17:49:35 -0700 | [diff] [blame] | 830 | } |
Jeff Hao | dcdc85b | 2015-12-04 14:06:18 -0800 | [diff] [blame] | 831 | |
| 832 | // We are falling back to non-executable use of the oat file because patching failed, presumably |
| 833 | // due to lack of space. |
David Brazdil | c93b3be | 2016-09-12 18:49:58 +0100 | [diff] [blame] | 834 | std::string vdex_filename = |
| 835 | ImageHeader::GetVdexLocationFromImageLocation(system_filename.c_str()); |
Jeff Hao | dcdc85b | 2015-12-04 14:06:18 -0800 | [diff] [blame] | 836 | std::string oat_filename = |
| 837 | ImageHeader::GetOatLocationFromImageLocation(system_filename.c_str()); |
| 838 | std::string oat_location = |
| 839 | ImageHeader::GetOatLocationFromImageLocation(image_locations[index].c_str()); |
| 840 | // Note: in the multi-image case, the image location may end in ".jar," and not ".art." Handle |
| 841 | // that here. |
| 842 | if (EndsWith(oat_location, ".jar")) { |
| 843 | oat_location.replace(oat_location.length() - 3, 3, "oat"); |
Alex Light | 84d7605 | 2014-08-22 17:49:35 -0700 | [diff] [blame] | 844 | } |
David Brazdil | c93b3be | 2016-09-12 18:49:58 +0100 | [diff] [blame] | 845 | std::string error_msg; |
| 846 | |
| 847 | std::unique_ptr<VdexFile> vdex_file(VdexFile::Open(vdex_filename, |
| 848 | false /* writable */, |
| 849 | false /* low_4gb */, |
| 850 | &error_msg)); |
| 851 | if (vdex_file.get() == nullptr) { |
| 852 | return false; |
| 853 | } |
Jeff Hao | dcdc85b | 2015-12-04 14:06:18 -0800 | [diff] [blame] | 854 | |
| 855 | std::unique_ptr<File> file(OS::OpenFileForReading(oat_filename.c_str())); |
| 856 | if (file.get() == nullptr) { |
| 857 | return false; |
| 858 | } |
Brian Carlstrom | f5b0f2c | 2016-10-14 01:04:26 -0700 | [diff] [blame] | 859 | std::unique_ptr<ElfFile> elf_file(ElfFile::Open(file.get(), |
David Brazdil | c93b3be | 2016-09-12 18:49:58 +0100 | [diff] [blame] | 860 | false /* writable */, |
| 861 | false /* program_header_only */, |
| 862 | false /* low_4gb */, |
Mathieu Chartier | 0b4cbd0 | 2016-03-08 16:49:58 -0800 | [diff] [blame] | 863 | &error_msg)); |
Jeff Hao | dcdc85b | 2015-12-04 14:06:18 -0800 | [diff] [blame] | 864 | if (elf_file.get() == nullptr) { |
| 865 | return false; |
| 866 | } |
| 867 | std::unique_ptr<const OatFile> oat_file( |
David Brazdil | c93b3be | 2016-09-12 18:49:58 +0100 | [diff] [blame] | 868 | OatFile::OpenWithElfFile(elf_file.release(), |
| 869 | vdex_file.release(), |
| 870 | oat_location, |
| 871 | nullptr, |
| 872 | &error_msg)); |
Jeff Hao | dcdc85b | 2015-12-04 14:06:18 -0800 | [diff] [blame] | 873 | if (oat_file == nullptr) { |
| 874 | LOG(WARNING) << "Unable to use '" << oat_filename << "' because " << error_msg; |
| 875 | return false; |
| 876 | } |
| 877 | |
| 878 | for (const OatFile::OatDexFile* oat_dex_file : oat_file->GetOatDexFiles()) { |
| 879 | if (oat_dex_file == nullptr) { |
| 880 | *failures += 1; |
| 881 | continue; |
| 882 | } |
| 883 | std::unique_ptr<const DexFile> dex_file = oat_dex_file->OpenDexFile(&error_msg); |
| 884 | if (dex_file.get() == nullptr) { |
| 885 | *failures += 1; |
| 886 | } else { |
| 887 | dex_files->push_back(std::move(dex_file)); |
| 888 | } |
| 889 | } |
| 890 | |
| 891 | if (index == 0) { |
| 892 | // First file. See if this is a multi-image environment, and if so, enqueue the other images. |
| 893 | const OatHeader& boot_oat_header = oat_file->GetOatHeader(); |
Jeff Hao | f0192c8 | 2016-03-28 20:39:50 -0700 | [diff] [blame] | 894 | const char* boot_cp = boot_oat_header.GetStoreValueByKey(OatHeader::kBootClassPathKey); |
Jeff Hao | dcdc85b | 2015-12-04 14:06:18 -0800 | [diff] [blame] | 895 | if (boot_cp != nullptr) { |
Mathieu Chartier | 866d874 | 2016-09-21 15:24:18 -0700 | [diff] [blame] | 896 | gc::space::ImageSpace::ExtractMultiImageLocations(image_locations[0], |
| 897 | boot_cp, |
| 898 | &image_locations); |
Jeff Hao | dcdc85b | 2015-12-04 14:06:18 -0800 | [diff] [blame] | 899 | } |
| 900 | } |
| 901 | |
| 902 | Runtime::Current()->GetOatFileManager().RegisterOatFile(std::move(oat_file)); |
Alex Light | 84d7605 | 2014-08-22 17:49:35 -0700 | [diff] [blame] | 903 | } |
Alex Light | 84d7605 | 2014-08-22 17:49:35 -0700 | [diff] [blame] | 904 | return true; |
| 905 | } |
| 906 | |
| 907 | |
Alex Light | 64ad14d | 2014-08-19 14:23:13 -0700 | [diff] [blame] | 908 | static size_t OpenDexFiles(const std::vector<std::string>& dex_filenames, |
Richard Uhler | c275259 | 2015-01-02 13:28:22 -0800 | [diff] [blame] | 909 | const std::vector<std::string>& dex_locations, |
Alex Light | 84d7605 | 2014-08-22 17:49:35 -0700 | [diff] [blame] | 910 | const std::string& image_location, |
Igor Murashkin | b1d8c31 | 2015-08-04 11:18:43 -0700 | [diff] [blame] | 911 | std::vector<std::unique_ptr<const DexFile>>* dex_files) { |
| 912 | DCHECK(dex_files != nullptr) << "OpenDexFiles: out-param is nullptr"; |
Alex Light | 64ad14d | 2014-08-19 14:23:13 -0700 | [diff] [blame] | 913 | size_t failure_count = 0; |
Igor Murashkin | b1d8c31 | 2015-08-04 11:18:43 -0700 | [diff] [blame] | 914 | if (!image_location.empty() && OpenDexFilesFromImage(image_location, dex_files, &failure_count)) { |
Alex Light | 84d7605 | 2014-08-22 17:49:35 -0700 | [diff] [blame] | 915 | return failure_count; |
| 916 | } |
| 917 | failure_count = 0; |
Alex Light | 64ad14d | 2014-08-19 14:23:13 -0700 | [diff] [blame] | 918 | for (size_t i = 0; i < dex_filenames.size(); i++) { |
| 919 | const char* dex_filename = dex_filenames[i].c_str(); |
Richard Uhler | c275259 | 2015-01-02 13:28:22 -0800 | [diff] [blame] | 920 | const char* dex_location = dex_locations[i].c_str(); |
Aart Bik | 37d6a3b | 2016-06-21 18:30:10 -0700 | [diff] [blame] | 921 | static constexpr bool kVerifyChecksum = true; |
Alex Light | 64ad14d | 2014-08-19 14:23:13 -0700 | [diff] [blame] | 922 | std::string error_msg; |
| 923 | if (!OS::FileExists(dex_filename)) { |
| 924 | LOG(WARNING) << "Skipping non-existent dex file '" << dex_filename << "'"; |
| 925 | continue; |
| 926 | } |
Aart Bik | 37d6a3b | 2016-06-21 18:30:10 -0700 | [diff] [blame] | 927 | if (!DexFile::Open(dex_filename, dex_location, kVerifyChecksum, &error_msg, dex_files)) { |
Alex Light | 64ad14d | 2014-08-19 14:23:13 -0700 | [diff] [blame] | 928 | LOG(WARNING) << "Failed to open .dex from file '" << dex_filename << "': " << error_msg; |
| 929 | ++failure_count; |
| 930 | } |
| 931 | } |
| 932 | return failure_count; |
| 933 | } |
| 934 | |
Mathieu Chartier | 673ed3d | 2015-08-28 14:56:43 -0700 | [diff] [blame] | 935 | void Runtime::SetSentinel(mirror::Object* sentinel) { |
| 936 | CHECK(sentinel_.Read() == nullptr); |
| 937 | CHECK(sentinel != nullptr); |
Hiroshi Yamauchi | 04302db | 2015-11-11 23:45:34 -0800 | [diff] [blame] | 938 | CHECK(!heap_->IsMovableObject(sentinel)); |
Mathieu Chartier | 673ed3d | 2015-08-28 14:56:43 -0700 | [diff] [blame] | 939 | sentinel_ = GcRoot<mirror::Object>(sentinel); |
| 940 | } |
| 941 | |
Vladimir Marko | 88b2b80 | 2015-12-04 14:19:04 +0000 | [diff] [blame] | 942 | bool Runtime::Init(RuntimeArgumentMap&& runtime_options_in) { |
David Sehr | d106d9f | 2016-08-16 19:22:57 -0700 | [diff] [blame] | 943 | // (b/30160149): protect subprocesses from modifications to LD_LIBRARY_PATH, etc. |
| 944 | // Take a snapshot of the environment at the time the runtime was created, for use by Exec, etc. |
| 945 | env_snapshot_.TakeSnapshot(); |
| 946 | |
Vladimir Marko | 88b2b80 | 2015-12-04 14:19:04 +0000 | [diff] [blame] | 947 | RuntimeArgumentMap runtime_options(std::move(runtime_options_in)); |
Mathieu Chartier | 32ce2ad | 2016-03-04 14:58:03 -0800 | [diff] [blame] | 948 | ScopedTrace trace(__FUNCTION__); |
Elliott Hughes | c1674ed | 2011-08-25 18:09:09 -0700 | [diff] [blame] | 949 | CHECK_EQ(sysconf(_SC_PAGE_SIZE), kPageSize); |
Brian Carlstrom | 6ea095a | 2011-08-16 15:26:54 -0700 | [diff] [blame] | 950 | |
Mathieu Chartier | 6e88ef6 | 2014-10-14 15:01:24 -0700 | [diff] [blame] | 951 | MemMap::Init(); |
| 952 | |
Igor Murashkin | aaebaa0 | 2015-01-26 10:55:53 -0800 | [diff] [blame] | 953 | using Opt = RuntimeArgumentMap; |
Elliott Hughes | 4dd9b4d | 2011-12-12 18:29:24 -0800 | [diff] [blame] | 954 | VLOG(startup) << "Runtime::Init -verbose:startup enabled"; |
Elliott Hughes | 7ede61e | 2011-09-14 18:18:06 -0700 | [diff] [blame] | 955 | |
Elliott Hughes | 7c6169d | 2012-05-02 16:11:48 -0700 | [diff] [blame] | 956 | QuasiAtomic::Startup(); |
| 957 | |
Mathieu Chartier | e58991b | 2015-10-13 07:59:34 -0700 | [diff] [blame] | 958 | oat_file_manager_ = new OatFileManager; |
Mathieu Chartier | f9c6fc6 | 2015-10-07 11:44:05 -0700 | [diff] [blame] | 959 | |
Calin Juravle | b2771b4 | 2016-04-07 17:09:25 +0100 | [diff] [blame] | 960 | Thread::SetSensitiveThreadHook(runtime_options.GetOrDefault(Opt::HookIsSensitiveThread)); |
| 961 | Monitor::Init(runtime_options.GetOrDefault(Opt::LockProfThreshold)); |
Elliott Hughes | 32d6e1e | 2011-10-11 14:47:44 -0700 | [diff] [blame] | 962 | |
Igor Murashkin | aaebaa0 | 2015-01-26 10:55:53 -0800 | [diff] [blame] | 963 | boot_class_path_string_ = runtime_options.ReleaseOrDefault(Opt::BootClassPath); |
| 964 | class_path_string_ = runtime_options.ReleaseOrDefault(Opt::ClassPath); |
| 965 | properties_ = runtime_options.ReleaseOrDefault(Opt::PropertiesList); |
Elliott Hughes | 7ede61e | 2011-09-14 18:18:06 -0700 | [diff] [blame] | 966 | |
Igor Murashkin | aaebaa0 | 2015-01-26 10:55:53 -0800 | [diff] [blame] | 967 | compiler_callbacks_ = runtime_options.GetOrDefault(Opt::CompilerCallbacksPtr); |
| 968 | patchoat_executable_ = runtime_options.ReleaseOrDefault(Opt::PatchOat); |
| 969 | must_relocate_ = runtime_options.GetOrDefault(Opt::Relocate); |
| 970 | is_zygote_ = runtime_options.Exists(Opt::Zygote); |
| 971 | is_explicit_gc_disabled_ = runtime_options.Exists(Opt::DisableExplicitGC); |
| 972 | dex2oat_enabled_ = runtime_options.GetOrDefault(Opt::Dex2Oat); |
| 973 | image_dex2oat_enabled_ = runtime_options.GetOrDefault(Opt::ImageDex2Oat); |
Nicolas Geoffray | a73280d | 2016-02-15 13:05:16 +0000 | [diff] [blame] | 974 | dump_native_stack_on_sig_quit_ = runtime_options.GetOrDefault(Opt::DumpNativeStackOnSigQuit); |
Elliott Hughes | 9ca7a1f | 2011-10-11 14:29:52 -0700 | [diff] [blame] | 975 | |
Igor Murashkin | aaebaa0 | 2015-01-26 10:55:53 -0800 | [diff] [blame] | 976 | vfprintf_ = runtime_options.GetOrDefault(Opt::HookVfprintf); |
| 977 | exit_ = runtime_options.GetOrDefault(Opt::HookExit); |
| 978 | abort_ = runtime_options.GetOrDefault(Opt::HookAbort); |
Brian Carlstrom | 6ea095a | 2011-08-16 15:26:54 -0700 | [diff] [blame] | 979 | |
Igor Murashkin | aaebaa0 | 2015-01-26 10:55:53 -0800 | [diff] [blame] | 980 | default_stack_size_ = runtime_options.GetOrDefault(Opt::StackSize); |
| 981 | stack_trace_file_ = runtime_options.ReleaseOrDefault(Opt::StackTraceFile); |
Brian Carlstrom | 6ea095a | 2011-08-16 15:26:54 -0700 | [diff] [blame] | 982 | |
Igor Murashkin | aaebaa0 | 2015-01-26 10:55:53 -0800 | [diff] [blame] | 983 | compiler_executable_ = runtime_options.ReleaseOrDefault(Opt::Compiler); |
| 984 | compiler_options_ = runtime_options.ReleaseOrDefault(Opt::CompilerOptions); |
| 985 | image_compiler_options_ = runtime_options.ReleaseOrDefault(Opt::ImageCompilerOptions); |
| 986 | image_location_ = runtime_options.GetOrDefault(Opt::Image); |
Brian Carlstrom | 2ec6520 | 2014-03-03 15:16:37 -0800 | [diff] [blame] | 987 | |
Igor Murashkin | aaebaa0 | 2015-01-26 10:55:53 -0800 | [diff] [blame] | 988 | max_spins_before_thin_lock_inflation_ = |
| 989 | runtime_options.GetOrDefault(Opt::MaxSpinsBeforeThinLockInflation); |
Ian Rogers | d9c4fc9 | 2013-10-01 19:45:43 -0700 | [diff] [blame] | 990 | |
Elliott Hughes | c33a32b | 2011-10-11 18:18:07 -0700 | [diff] [blame] | 991 | monitor_list_ = new MonitorList; |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 992 | monitor_pool_ = MonitorPool::Create(); |
Elliott Hughes | 4dd9b4d | 2011-12-12 18:29:24 -0800 | [diff] [blame] | 993 | thread_list_ = new ThreadList; |
Elliott Hughes | cf4c6c4 | 2011-09-01 15:16:42 -0700 | [diff] [blame] | 994 | intern_table_ = new InternTable; |
| 995 | |
Igor Murashkin | aaebaa0 | 2015-01-26 10:55:53 -0800 | [diff] [blame] | 996 | verify_ = runtime_options.GetOrDefault(Opt::Verify); |
Jean Christophe Beyler | 24e04aa | 2014-09-12 12:03:25 -0700 | [diff] [blame] | 997 | allow_dex_file_fallback_ = !runtime_options.Exists(Opt::NoDexFileFallback); |
Logan Chien | dd361c9 | 2012-04-10 23:40:37 +0800 | [diff] [blame] | 998 | |
Calin Juravle | 01aaf6e | 2015-06-19 22:05:39 +0100 | [diff] [blame] | 999 | no_sig_chain_ = runtime_options.Exists(Opt::NoSigChain); |
Calin Juravle | d3e7c6c | 2016-02-04 19:07:51 +0000 | [diff] [blame] | 1000 | force_native_bridge_ = runtime_options.Exists(Opt::ForceNativeBridge); |
Calin Juravle | 01aaf6e | 2015-06-19 22:05:39 +0100 | [diff] [blame] | 1001 | |
Dmitriy Ivanov | 785049f | 2014-07-18 10:08:57 -0700 | [diff] [blame] | 1002 | Split(runtime_options.GetOrDefault(Opt::CpuAbiList), ',', &cpu_abilist_); |
| 1003 | |
Andreas Gampe | dd67125 | 2015-07-23 14:37:18 -0700 | [diff] [blame] | 1004 | fingerprint_ = runtime_options.ReleaseOrDefault(Opt::Fingerprint); |
| 1005 | |
Igor Murashkin | eb6c7c2 | 2015-02-04 17:30:43 -0800 | [diff] [blame] | 1006 | if (runtime_options.GetOrDefault(Opt::Interpret)) { |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 1007 | GetInstrumentation()->ForceInterpretOnly(); |
| 1008 | } |
| 1009 | |
Narayan Kamath | 5a2be3f | 2015-02-16 13:51:51 +0000 | [diff] [blame] | 1010 | zygote_max_failed_boots_ = runtime_options.GetOrDefault(Opt::ZygoteMaxFailedBoots); |
Alex Light | eb7c144 | 2015-08-31 13:17:42 -0700 | [diff] [blame] | 1011 | experimental_flags_ = runtime_options.GetOrDefault(Opt::Experimental); |
Mathieu Chartier | 32cc9ee | 2015-10-15 09:19:15 -0700 | [diff] [blame] | 1012 | is_low_memory_mode_ = runtime_options.Exists(Opt::LowMemoryMode); |
Narayan Kamath | 5a2be3f | 2015-02-16 13:51:51 +0000 | [diff] [blame] | 1013 | |
Alex Light | 185d134 | 2016-08-11 10:48:03 -0700 | [diff] [blame] | 1014 | if (experimental_flags_ & ExperimentalFlags::kRuntimePlugins) { |
| 1015 | plugins_ = runtime_options.ReleaseOrDefault(Opt::Plugins); |
| 1016 | } |
Alex Light | 7233c7e | 2016-07-28 10:07:45 -0700 | [diff] [blame] | 1017 | if (experimental_flags_ & ExperimentalFlags::kAgents) { |
| 1018 | agents_ = runtime_options.ReleaseOrDefault(Opt::AgentPath); |
| 1019 | // TODO Add back in -agentlib |
| 1020 | // for (auto lib : runtime_options.ReleaseOrDefault(Opt::AgentLib)) { |
| 1021 | // agents_.push_back(lib); |
| 1022 | // } |
| 1023 | } |
Igor Murashkin | aaebaa0 | 2015-01-26 10:55:53 -0800 | [diff] [blame] | 1024 | XGcOption xgc_option = runtime_options.GetOrDefault(Opt::GcOption); |
| 1025 | heap_ = new gc::Heap(runtime_options.GetOrDefault(Opt::MemoryInitialSize), |
| 1026 | runtime_options.GetOrDefault(Opt::HeapGrowthLimit), |
| 1027 | runtime_options.GetOrDefault(Opt::HeapMinFree), |
| 1028 | runtime_options.GetOrDefault(Opt::HeapMaxFree), |
| 1029 | runtime_options.GetOrDefault(Opt::HeapTargetUtilization), |
| 1030 | runtime_options.GetOrDefault(Opt::ForegroundHeapGrowthMultiplier), |
| 1031 | runtime_options.GetOrDefault(Opt::MemoryMaximumSize), |
| 1032 | runtime_options.GetOrDefault(Opt::NonMovingSpaceCapacity), |
| 1033 | runtime_options.GetOrDefault(Opt::Image), |
| 1034 | runtime_options.GetOrDefault(Opt::ImageInstructionSet), |
| 1035 | xgc_option.collector_type_, |
| 1036 | runtime_options.GetOrDefault(Opt::BackgroundGc), |
| 1037 | runtime_options.GetOrDefault(Opt::LargeObjectSpace), |
| 1038 | runtime_options.GetOrDefault(Opt::LargeObjectThreshold), |
| 1039 | runtime_options.GetOrDefault(Opt::ParallelGCThreads), |
| 1040 | runtime_options.GetOrDefault(Opt::ConcGCThreads), |
| 1041 | runtime_options.Exists(Opt::LowMemoryMode), |
| 1042 | runtime_options.GetOrDefault(Opt::LongPauseLogThreshold), |
| 1043 | runtime_options.GetOrDefault(Opt::LongGCLogThreshold), |
| 1044 | runtime_options.Exists(Opt::IgnoreMaxFootprint), |
Hiroshi Yamauchi | f360ad0 | 2015-02-20 11:28:03 -0800 | [diff] [blame] | 1045 | runtime_options.GetOrDefault(Opt::UseTLAB), |
Igor Murashkin | aaebaa0 | 2015-01-26 10:55:53 -0800 | [diff] [blame] | 1046 | xgc_option.verify_pre_gc_heap_, |
| 1047 | xgc_option.verify_pre_sweeping_heap_, |
| 1048 | xgc_option.verify_post_gc_heap_, |
| 1049 | xgc_option.verify_pre_gc_rosalloc_, |
| 1050 | xgc_option.verify_pre_sweeping_rosalloc_, |
| 1051 | xgc_option.verify_post_gc_rosalloc_, |
Mathieu Chartier | 3100080 | 2015-06-14 14:14:37 -0700 | [diff] [blame] | 1052 | xgc_option.gcstress_, |
Mathieu Chartier | 56fe258 | 2016-07-14 13:30:03 -0700 | [diff] [blame] | 1053 | xgc_option.measure_, |
Igor Murashkin | aaebaa0 | 2015-01-26 10:55:53 -0800 | [diff] [blame] | 1054 | runtime_options.GetOrDefault(Opt::EnableHSpaceCompactForOOM), |
| 1055 | runtime_options.GetOrDefault(Opt::HSpaceCompactForOOMMinIntervalsMs)); |
Dave Allison | 3d14eb6 | 2014-07-10 01:54:57 +0000 | [diff] [blame] | 1056 | |
Jeff Hao | dcdc85b | 2015-12-04 14:06:18 -0800 | [diff] [blame] | 1057 | if (!heap_->HasBootImageSpace() && !allow_dex_file_fallback_) { |
Jean Christophe Beyler | 24e04aa | 2014-09-12 12:03:25 -0700 | [diff] [blame] | 1058 | LOG(ERROR) << "Dex file fallback disabled, cannot continue without image."; |
| 1059 | return false; |
| 1060 | } |
| 1061 | |
Igor Murashkin | aaebaa0 | 2015-01-26 10:55:53 -0800 | [diff] [blame] | 1062 | dump_gc_performance_on_shutdown_ = runtime_options.Exists(Opt::DumpGCPerformanceOnShutdown); |
Dave Allison | 3d14eb6 | 2014-07-10 01:54:57 +0000 | [diff] [blame] | 1063 | |
Sebastien Hertz | 3be6e9d | 2015-02-05 16:30:58 +0100 | [diff] [blame] | 1064 | if (runtime_options.Exists(Opt::JdwpOptions)) { |
Sebastien Hertz | b3b173b | 2015-02-06 09:16:32 +0100 | [diff] [blame] | 1065 | Dbg::ConfigureJdwp(runtime_options.GetOrDefault(Opt::JdwpOptions)); |
Sebastien Hertz | 3be6e9d | 2015-02-05 16:30:58 +0100 | [diff] [blame] | 1066 | } |
| 1067 | |
Mathieu Chartier | 455f67c | 2015-03-17 13:48:29 -0700 | [diff] [blame] | 1068 | jit_options_.reset(jit::JitOptions::CreateFromRuntimeArguments(runtime_options)); |
Mathieu Chartier | 455f67c | 2015-03-17 13:48:29 -0700 | [diff] [blame] | 1069 | if (IsAotCompiler()) { |
Mathieu Chartier | e5f13e5 | 2015-02-24 09:37:21 -0800 | [diff] [blame] | 1070 | // If we are already the compiler at this point, we must be dex2oat. Don't create the jit in |
| 1071 | // this case. |
| 1072 | // If runtime_options doesn't have UseJIT set to true then CreateFromRuntimeArguments returns |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 1073 | // null and we don't create the jit. |
Calin Juravle | ffc8707 | 2016-04-20 14:22:09 +0100 | [diff] [blame] | 1074 | jit_options_->SetUseJitCompilation(false); |
| 1075 | jit_options_->SetSaveProfilingInfo(false); |
Mathieu Chartier | e5f13e5 | 2015-02-24 09:37:21 -0800 | [diff] [blame] | 1076 | } |
| 1077 | |
Mathieu Chartier | c6201fa | 2015-03-12 10:06:33 -0700 | [diff] [blame] | 1078 | // Use MemMap arena pool for jit, malloc otherwise. Malloc arenas are faster to allocate but |
| 1079 | // can't be trimmed as easily. |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 1080 | const bool use_malloc = IsAotCompiler(); |
Nicolas Geoffray | 25e0456 | 2016-03-01 13:17:58 +0000 | [diff] [blame] | 1081 | arena_pool_.reset(new ArenaPool(use_malloc, /* low_4gb */ false)); |
| 1082 | jit_arena_pool_.reset( |
| 1083 | new ArenaPool(/* use_malloc */ false, /* low_4gb */ false, "CompilerMetadata")); |
| 1084 | |
Mathieu Chartier | 017ed0b | 2015-09-22 11:04:26 -0700 | [diff] [blame] | 1085 | if (IsAotCompiler() && Is64BitInstructionSet(kRuntimeISA)) { |
Mathieu Chartier | c785344 | 2015-03-27 14:35:38 -0700 | [diff] [blame] | 1086 | // 4gb, no malloc. Explanation in header. |
Nicolas Geoffray | 25e0456 | 2016-03-01 13:17:58 +0000 | [diff] [blame] | 1087 | low_4gb_arena_pool_.reset(new ArenaPool(/* use_malloc */ false, /* low_4gb */ true)); |
Mathieu Chartier | c785344 | 2015-03-27 14:35:38 -0700 | [diff] [blame] | 1088 | } |
Mathieu Chartier | 951ec2c | 2015-09-22 08:50:05 -0700 | [diff] [blame] | 1089 | linear_alloc_.reset(CreateLinearAlloc()); |
Mathieu Chartier | c6201fa | 2015-03-12 10:06:33 -0700 | [diff] [blame] | 1090 | |
Dave Allison | 3d14eb6 | 2014-07-10 01:54:57 +0000 | [diff] [blame] | 1091 | BlockSignals(); |
| 1092 | InitPlatformSignalHandlers(); |
| 1093 | |
Dave Allison | 69dfe51 | 2014-07-11 17:11:58 +0000 | [diff] [blame] | 1094 | // Change the implicit checks flags based on runtime architecture. |
| 1095 | switch (kRuntimeISA) { |
| 1096 | case kArm: |
| 1097 | case kThumb2: |
| 1098 | case kX86: |
Stuart Monteith | d5c78f4 | 2014-06-11 16:44:46 +0100 | [diff] [blame] | 1099 | case kArm64: |
Dave Allison | dfd3b47 | 2014-07-16 16:04:32 -0700 | [diff] [blame] | 1100 | case kX86_64: |
Douglas Leung | 22bb5a2 | 2015-07-02 16:42:08 -0700 | [diff] [blame] | 1101 | case kMips: |
| 1102 | case kMips64: |
Dave Allison | 69dfe51 | 2014-07-11 17:11:58 +0000 | [diff] [blame] | 1103 | implicit_null_checks_ = true; |
Andreas Gampe | 928f72b | 2014-09-09 19:53:48 -0700 | [diff] [blame] | 1104 | // Installing stack protection does not play well with valgrind. |
Evgenii Stepanov | 1e13374 | 2015-05-20 12:30:59 -0700 | [diff] [blame] | 1105 | implicit_so_checks_ = !(RUNNING_ON_MEMORY_TOOL && kMemoryToolIsValgrind); |
Dave Allison | 69dfe51 | 2014-07-11 17:11:58 +0000 | [diff] [blame] | 1106 | break; |
| 1107 | default: |
| 1108 | // Keep the defaults. |
| 1109 | break; |
| 1110 | } |
| 1111 | |
Calin Juravle | 01aaf6e | 2015-06-19 22:05:39 +0100 | [diff] [blame] | 1112 | if (!no_sig_chain_) { |
| 1113 | // Dex2Oat's Runtime does not need the signal chain or the fault handler. |
Dave Allison | cefcea8 | 2014-09-16 10:01:01 -0700 | [diff] [blame] | 1114 | |
Calin Juravle | 01aaf6e | 2015-06-19 22:05:39 +0100 | [diff] [blame] | 1115 | // Initialize the signal chain so that any calls to sigaction get |
| 1116 | // correctly routed to the next in the chain regardless of whether we |
| 1117 | // have claimed the signal or not. |
| 1118 | InitializeSignalChain(); |
Dave Allison | 69dfe51 | 2014-07-11 17:11:58 +0000 | [diff] [blame] | 1119 | |
Calin Juravle | 01aaf6e | 2015-06-19 22:05:39 +0100 | [diff] [blame] | 1120 | if (implicit_null_checks_ || implicit_so_checks_ || implicit_suspend_checks_) { |
| 1121 | fault_manager.Init(); |
Dave Allison | 69dfe51 | 2014-07-11 17:11:58 +0000 | [diff] [blame] | 1122 | |
Calin Juravle | 01aaf6e | 2015-06-19 22:05:39 +0100 | [diff] [blame] | 1123 | // These need to be in a specific order. The null point check handler must be |
| 1124 | // after the suspend check and stack overflow check handlers. |
| 1125 | // |
| 1126 | // Note: the instances attach themselves to the fault manager and are handled by it. The manager |
| 1127 | // will delete the instance on Shutdown(). |
| 1128 | if (implicit_suspend_checks_) { |
| 1129 | new SuspensionHandler(&fault_manager); |
| 1130 | } |
Dave Allison | 69dfe51 | 2014-07-11 17:11:58 +0000 | [diff] [blame] | 1131 | |
Calin Juravle | 01aaf6e | 2015-06-19 22:05:39 +0100 | [diff] [blame] | 1132 | if (implicit_so_checks_) { |
| 1133 | new StackOverflowHandler(&fault_manager); |
| 1134 | } |
Dave Allison | 69dfe51 | 2014-07-11 17:11:58 +0000 | [diff] [blame] | 1135 | |
Calin Juravle | 01aaf6e | 2015-06-19 22:05:39 +0100 | [diff] [blame] | 1136 | if (implicit_null_checks_) { |
| 1137 | new NullPointerHandler(&fault_manager); |
| 1138 | } |
| 1139 | |
| 1140 | if (kEnableJavaStackTraceHandler) { |
| 1141 | new JavaStackTraceHandler(&fault_manager); |
| 1142 | } |
Dave Allison | 69dfe51 | 2014-07-11 17:11:58 +0000 | [diff] [blame] | 1143 | } |
| 1144 | } |
| 1145 | |
Richard Uhler | da0a69e | 2016-10-11 15:06:38 +0100 | [diff] [blame] | 1146 | std::string error_msg; |
| 1147 | java_vm_ = JavaVMExt::Create(this, runtime_options, &error_msg); |
| 1148 | if (java_vm_.get() == nullptr) { |
| 1149 | LOG(ERROR) << "Could not initialize JavaVMExt: " << error_msg; |
| 1150 | return false; |
| 1151 | } |
Elliott Hughes | 515a5bc | 2011-08-17 11:08:34 -0700 | [diff] [blame] | 1152 | |
Alex Light | 185d134 | 2016-08-11 10:48:03 -0700 | [diff] [blame] | 1153 | // Add the JniEnv handler. |
| 1154 | // TODO Refactor this stuff. |
| 1155 | java_vm_->AddEnvironmentHook(JNIEnvExt::GetEnvHandler); |
| 1156 | |
Elliott Hughes | be759c6 | 2011-09-08 19:38:21 -0700 | [diff] [blame] | 1157 | Thread::Startup(); |
Elliott Hughes | d92bec4 | 2011-09-02 17:04:36 -0700 | [diff] [blame] | 1158 | |
Mathieu Chartier | 664bebf | 2012-11-12 16:54:11 -0800 | [diff] [blame] | 1159 | // ClassLinker needs an attached thread, but we can't fully attach a thread without creating |
| 1160 | // objects. We can't supply a thread group yet; it will be fixed later. Since we are the main |
| 1161 | // thread, we do not get a java peer. |
Ian Rogers | 6355745 | 2014-06-04 16:57:15 -0700 | [diff] [blame] | 1162 | Thread* self = Thread::Attach("main", false, nullptr, false); |
Ian Rogers | dd7624d | 2014-03-14 17:43:00 -0700 | [diff] [blame] | 1163 | CHECK_EQ(self->GetThreadId(), ThreadList::kMainThreadId); |
Ian Rogers | 6355745 | 2014-06-04 16:57:15 -0700 | [diff] [blame] | 1164 | CHECK(self != nullptr); |
Brian Carlstrom | 6ea095a | 2011-08-16 15:26:54 -0700 | [diff] [blame] | 1165 | |
Brian Carlstrom | f28bc5b | 2011-10-26 01:15:03 -0700 | [diff] [blame] | 1166 | // 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] | 1167 | self->TransitionFromSuspendedToRunnable(); |
Brian Carlstrom | f28bc5b | 2011-10-26 01:15:03 -0700 | [diff] [blame] | 1168 | |
Ian Rogers | a436fde | 2013-08-27 23:34:06 -0700 | [diff] [blame] | 1169 | // 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] | 1170 | GetHeap()->EnableObjectValidation(); |
| 1171 | |
Ian Rogers | 1d54e73 | 2013-05-02 21:10:01 -0700 | [diff] [blame] | 1172 | CHECK_GE(GetHeap()->GetContinuousSpaces().size(), 1U); |
Mathieu Chartier | 590fee9 | 2013-09-13 13:46:47 -0700 | [diff] [blame] | 1173 | class_linker_ = new ClassLinker(intern_table_); |
Jeff Hao | dcdc85b | 2015-12-04 14:06:18 -0800 | [diff] [blame] | 1174 | if (GetHeap()->HasBootImageSpace()) { |
Mathieu Chartier | fbc3108 | 2016-01-24 11:59:56 -0800 | [diff] [blame] | 1175 | bool result = class_linker_->InitFromBootImage(&error_msg); |
Andreas Gampe | 3db9c5d | 2015-11-17 11:52:46 -0800 | [diff] [blame] | 1176 | if (!result) { |
| 1177 | LOG(ERROR) << "Could not initialize from image: " << error_msg; |
| 1178 | return false; |
| 1179 | } |
Hiroshi Yamauchi | bd0fb61 | 2014-05-20 13:46:00 -0700 | [diff] [blame] | 1180 | if (kIsDebugBuild) { |
Jeff Hao | dcdc85b | 2015-12-04 14:06:18 -0800 | [diff] [blame] | 1181 | for (auto image_space : GetHeap()->GetBootImageSpaces()) { |
| 1182 | image_space->VerifyImageAllocations(); |
| 1183 | } |
Hiroshi Yamauchi | bd0fb61 | 2014-05-20 13:46:00 -0700 | [diff] [blame] | 1184 | } |
Sebastien Hertz | e6c143f | 2015-01-13 10:10:40 +0100 | [diff] [blame] | 1185 | if (boot_class_path_string_.empty()) { |
| 1186 | // The bootclasspath is not explicitly specified: construct it from the loaded dex files. |
| 1187 | const std::vector<const DexFile*>& boot_class_path = GetClassLinker()->GetBootClassPath(); |
| 1188 | std::vector<std::string> dex_locations; |
| 1189 | dex_locations.reserve(boot_class_path.size()); |
| 1190 | for (const DexFile* dex_file : boot_class_path) { |
| 1191 | dex_locations.push_back(dex_file->GetLocation()); |
| 1192 | } |
| 1193 | boot_class_path_string_ = Join(dex_locations, ':'); |
| 1194 | } |
Vladimir Marko | cac5a7e | 2016-02-22 10:39:50 +0000 | [diff] [blame] | 1195 | { |
| 1196 | ScopedTrace trace2("AddImageStringsToTable"); |
| 1197 | GetInternTable()->AddImagesStringsToTable(heap_->GetBootImageSpaces()); |
| 1198 | } |
Richard Uhler | c275259 | 2015-01-02 13:28:22 -0800 | [diff] [blame] | 1199 | } else { |
Alex Light | 64ad14d | 2014-08-19 14:23:13 -0700 | [diff] [blame] | 1200 | std::vector<std::string> dex_filenames; |
Ian Rogers | 6f3dbba | 2014-10-14 17:41:57 -0700 | [diff] [blame] | 1201 | Split(boot_class_path_string_, ':', &dex_filenames); |
Richard Uhler | c275259 | 2015-01-02 13:28:22 -0800 | [diff] [blame] | 1202 | |
| 1203 | std::vector<std::string> dex_locations; |
Igor Murashkin | aaebaa0 | 2015-01-26 10:55:53 -0800 | [diff] [blame] | 1204 | if (!runtime_options.Exists(Opt::BootClassPathLocations)) { |
Richard Uhler | c275259 | 2015-01-02 13:28:22 -0800 | [diff] [blame] | 1205 | dex_locations = dex_filenames; |
| 1206 | } else { |
Igor Murashkin | aaebaa0 | 2015-01-26 10:55:53 -0800 | [diff] [blame] | 1207 | dex_locations = runtime_options.GetOrDefault(Opt::BootClassPathLocations); |
Richard Uhler | c275259 | 2015-01-02 13:28:22 -0800 | [diff] [blame] | 1208 | CHECK_EQ(dex_filenames.size(), dex_locations.size()); |
| 1209 | } |
| 1210 | |
Richard Uhler | fbef44d | 2014-12-23 09:48:51 -0800 | [diff] [blame] | 1211 | std::vector<std::unique_ptr<const DexFile>> boot_class_path; |
Vladimir Marko | 9bdf108 | 2016-01-21 12:15:52 +0000 | [diff] [blame] | 1212 | if (runtime_options.Exists(Opt::BootClassPathDexList)) { |
| 1213 | boot_class_path.swap(*runtime_options.GetOrDefault(Opt::BootClassPathDexList)); |
| 1214 | } else { |
| 1215 | OpenDexFiles(dex_filenames, |
| 1216 | dex_locations, |
| 1217 | runtime_options.GetOrDefault(Opt::Image), |
| 1218 | &boot_class_path); |
| 1219 | } |
Jeff Hao | c7d1188 | 2015-02-03 15:08:39 -0800 | [diff] [blame] | 1220 | instruction_set_ = runtime_options.GetOrDefault(Opt::ImageInstructionSet); |
Andreas Gampe | 3db9c5d | 2015-11-17 11:52:46 -0800 | [diff] [blame] | 1221 | if (!class_linker_->InitWithoutImage(std::move(boot_class_path), &error_msg)) { |
| 1222 | LOG(ERROR) << "Could not initialize without image: " << error_msg; |
| 1223 | return false; |
| 1224 | } |
Igor Murashkin | aaebaa0 | 2015-01-26 10:55:53 -0800 | [diff] [blame] | 1225 | |
Alex Light | 64ad14d | 2014-08-19 14:23:13 -0700 | [diff] [blame] | 1226 | // TODO: Should we move the following to InitWithoutImage? |
Jeff Hao | c7d1188 | 2015-02-03 15:08:39 -0800 | [diff] [blame] | 1227 | SetInstructionSet(instruction_set_); |
Alex Light | 64ad14d | 2014-08-19 14:23:13 -0700 | [diff] [blame] | 1228 | for (int i = 0; i < Runtime::kLastCalleeSaveType; i++) { |
| 1229 | Runtime::CalleeSaveType type = Runtime::CalleeSaveType(i); |
| 1230 | if (!HasCalleeSaveMethod(type)) { |
Ian Rogers | 6a3c1fc | 2014-10-31 00:33:20 -0700 | [diff] [blame] | 1231 | SetCalleeSaveMethod(CreateCalleeSaveMethod(), type); |
Alex Light | 64ad14d | 2014-08-19 14:23:13 -0700 | [diff] [blame] | 1232 | } |
| 1233 | } |
Igor Murashkin | a2cfee3 | 2015-01-07 16:37:24 -0800 | [diff] [blame] | 1234 | } |
| 1235 | |
Ian Rogers | 6355745 | 2014-06-04 16:57:15 -0700 | [diff] [blame] | 1236 | CHECK(class_linker_ != nullptr); |
Ian Rogers | c0542af | 2014-09-03 16:16:56 -0700 | [diff] [blame] | 1237 | |
Sameer Abu Asal | 51a5fb7 | 2013-02-19 14:25:01 -0800 | [diff] [blame] | 1238 | verifier::MethodVerifier::Init(); |
Brian Carlstrom | 6ea095a | 2011-08-16 15:26:54 -0700 | [diff] [blame] | 1239 | |
Andreas Gampe | f6a780a | 2015-04-02 18:51:05 -0700 | [diff] [blame] | 1240 | if (runtime_options.Exists(Opt::MethodTrace)) { |
| 1241 | trace_config_.reset(new TraceConfig()); |
| 1242 | trace_config_->trace_file = runtime_options.ReleaseOrDefault(Opt::MethodTraceFile); |
| 1243 | trace_config_->trace_file_size = runtime_options.ReleaseOrDefault(Opt::MethodTraceFileSize); |
| 1244 | trace_config_->trace_mode = Trace::TraceMode::kMethodTracing; |
Andreas Gampe | 40da286 | 2015-02-27 12:49:04 -0800 | [diff] [blame] | 1245 | trace_config_->trace_output_mode = runtime_options.Exists(Opt::MethodTraceStreaming) ? |
| 1246 | Trace::TraceOutputMode::kStreaming : |
| 1247 | Trace::TraceOutputMode::kFile; |
Andreas Gampe | f6a780a | 2015-04-02 18:51:05 -0700 | [diff] [blame] | 1248 | } |
jeffhao | b5e8185 | 2012-03-12 11:15:45 -0700 | [diff] [blame] | 1249 | |
Brian Carlstrom | 491ca9e | 2014-03-02 18:24:38 -0800 | [diff] [blame] | 1250 | // TODO: move this to just be an Trace::Start argument |
Igor Murashkin | aaebaa0 | 2015-01-26 10:55:53 -0800 | [diff] [blame] | 1251 | Trace::SetDefaultClockSource(runtime_options.GetOrDefault(Opt::ProfileClock)); |
Dave Allison | 0aded08 | 2013-11-07 13:15:11 -0800 | [diff] [blame] | 1252 | |
Ian Rogers | a436fde | 2013-08-27 23:34:06 -0700 | [diff] [blame] | 1253 | // Pre-allocate an OutOfMemoryError for the double-OOME case. |
Nicolas Geoffray | 0aa50ce | 2015-03-10 11:03:29 +0000 | [diff] [blame] | 1254 | self->ThrowNewException("Ljava/lang/OutOfMemoryError;", |
Brian Carlstrom | 491ca9e | 2014-03-02 18:24:38 -0800 | [diff] [blame] | 1255 | "OutOfMemoryError thrown while trying to throw OutOfMemoryError; " |
Elliott Hughes | 4f55ff6 | 2014-10-21 07:36:19 -0700 | [diff] [blame] | 1256 | "no stack trace available"); |
Nicolas Geoffray | 14691c5 | 2015-03-05 10:40:17 +0000 | [diff] [blame] | 1257 | pre_allocated_OutOfMemoryError_ = GcRoot<mirror::Throwable>(self->GetException()); |
Ian Rogers | a436fde | 2013-08-27 23:34:06 -0700 | [diff] [blame] | 1258 | self->ClearException(); |
| 1259 | |
Ian Rogers | 6355745 | 2014-06-04 16:57:15 -0700 | [diff] [blame] | 1260 | // Pre-allocate a NoClassDefFoundError for the common case of failing to find a system class |
| 1261 | // ahead of checking the application's class loader. |
Nicolas Geoffray | 0aa50ce | 2015-03-10 11:03:29 +0000 | [diff] [blame] | 1262 | self->ThrowNewException("Ljava/lang/NoClassDefFoundError;", |
Elliott Hughes | 4f55ff6 | 2014-10-21 07:36:19 -0700 | [diff] [blame] | 1263 | "Class not found using the boot class loader; no stack trace available"); |
Nicolas Geoffray | 14691c5 | 2015-03-05 10:40:17 +0000 | [diff] [blame] | 1264 | pre_allocated_NoClassDefFoundError_ = GcRoot<mirror::Throwable>(self->GetException()); |
Ian Rogers | 6355745 | 2014-06-04 16:57:15 -0700 | [diff] [blame] | 1265 | self->ClearException(); |
| 1266 | |
Alex Light | 185d134 | 2016-08-11 10:48:03 -0700 | [diff] [blame] | 1267 | // Runtime initialization is largely done now. |
| 1268 | // We load plugins first since that can modify the runtime state slightly. |
| 1269 | // Load all plugins |
| 1270 | for (auto& plugin : plugins_) { |
| 1271 | std::string err; |
| 1272 | if (!plugin.Load(&err)) { |
| 1273 | LOG(FATAL) << plugin << " failed to load: " << err; |
| 1274 | } |
| 1275 | } |
| 1276 | |
Andreas Gampe | 855564b | 2014-07-25 02:32:19 -0700 | [diff] [blame] | 1277 | // Look for a native bridge. |
Andreas Gampe | 6be67ee | 2014-09-02 21:22:18 -0700 | [diff] [blame] | 1278 | // |
| 1279 | // The intended flow here is, in the case of a running system: |
| 1280 | // |
| 1281 | // Runtime::Init() (zygote): |
| 1282 | // LoadNativeBridge -> dlopen from cmd line parameter. |
| 1283 | // | |
| 1284 | // V |
| 1285 | // Runtime::Start() (zygote): |
| 1286 | // No-op wrt native bridge. |
| 1287 | // | |
| 1288 | // | start app |
| 1289 | // V |
| 1290 | // DidForkFromZygote(action) |
| 1291 | // action = kUnload -> dlclose native bridge. |
| 1292 | // action = kInitialize -> initialize library |
| 1293 | // |
| 1294 | // |
| 1295 | // The intended flow here is, in the case of a simple dalvikvm call: |
| 1296 | // |
| 1297 | // Runtime::Init(): |
| 1298 | // LoadNativeBridge -> dlopen from cmd line parameter. |
| 1299 | // | |
| 1300 | // V |
| 1301 | // Runtime::Start(): |
| 1302 | // DidForkFromZygote(kInitialize) -> try to initialize any native bridge given. |
| 1303 | // No-op wrt native bridge. |
Igor Murashkin | aaebaa0 | 2015-01-26 10:55:53 -0800 | [diff] [blame] | 1304 | { |
| 1305 | std::string native_bridge_file_name = runtime_options.ReleaseOrDefault(Opt::NativeBridge); |
| 1306 | is_native_bridge_loaded_ = LoadNativeBridge(native_bridge_file_name); |
| 1307 | } |
Calin Juravle | a68629e | 2014-08-22 12:53:59 +0100 | [diff] [blame] | 1308 | |
Alex Light | 7233c7e | 2016-07-28 10:07:45 -0700 | [diff] [blame] | 1309 | // Startup agents |
| 1310 | // TODO Maybe we should start a new thread to run these on. Investigate RI behavior more. |
| 1311 | for (auto& agent : agents_) { |
| 1312 | // TODO Check err |
| 1313 | int res = 0; |
| 1314 | std::string err = ""; |
| 1315 | ti::Agent::LoadError result = agent.Load(&res, &err); |
| 1316 | if (result == ti::Agent::kInitializationError) { |
| 1317 | LOG(FATAL) << "Unable to initialize agent!"; |
| 1318 | } else if (result != ti::Agent::kNoError) { |
| 1319 | LOG(ERROR) << "Unable to load an agent: " << err; |
| 1320 | } |
| 1321 | } |
| 1322 | |
Elliott Hughes | 4dd9b4d | 2011-12-12 18:29:24 -0800 | [diff] [blame] | 1323 | VLOG(startup) << "Runtime::Init exiting"; |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 1324 | |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 1325 | return true; |
| 1326 | } |
| 1327 | |
Leonard Mosescu | eb84221 | 2016-10-06 17:26:36 -0700 | [diff] [blame] | 1328 | // Attach a new agent and add it to the list of runtime agents |
| 1329 | // |
| 1330 | // TODO: once we decide on the threading model for agents, |
| 1331 | // revisit this and make sure we're doing this on the right thread |
| 1332 | // (and we synchronize access to any shared data structures like "agents_") |
| 1333 | // |
| 1334 | void Runtime::AttachAgent(const std::string& agent_arg) { |
| 1335 | ti::Agent agent(agent_arg); |
| 1336 | |
| 1337 | int res = 0; |
| 1338 | std::string err; |
| 1339 | ti::Agent::LoadError result = agent.Attach(&res, &err); |
| 1340 | |
| 1341 | if (result == ti::Agent::kNoError) { |
| 1342 | agents_.push_back(std::move(agent)); |
| 1343 | } else { |
| 1344 | LOG(ERROR) << "Agent attach failed (result=" << result << ") : " << err; |
| 1345 | ScopedObjectAccess soa(Thread::Current()); |
| 1346 | ThrowWrappedIOException("%s", err.c_str()); |
| 1347 | } |
| 1348 | } |
| 1349 | |
Elliott Hughes | 038a806 | 2011-09-18 14:12:41 -0700 | [diff] [blame] | 1350 | void Runtime::InitNativeMethods() { |
Elliott Hughes | 4dd9b4d | 2011-12-12 18:29:24 -0800 | [diff] [blame] | 1351 | VLOG(startup) << "Runtime::InitNativeMethods entering"; |
Elliott Hughes | ad7c2a3 | 2011-08-31 11:58:10 -0700 | [diff] [blame] | 1352 | Thread* self = Thread::Current(); |
| 1353 | JNIEnv* env = self->GetJniEnv(); |
| 1354 | |
Elliott Hughes | 418d20f | 2011-09-22 14:00:39 -0700 | [diff] [blame] | 1355 | // 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] | 1356 | CHECK_EQ(self->GetState(), kNative); |
Elliott Hughes | ad7c2a3 | 2011-08-31 11:58:10 -0700 | [diff] [blame] | 1357 | |
Elliott Hughes | 418d20f | 2011-09-22 14:00:39 -0700 | [diff] [blame] | 1358 | // First set up JniConstants, which is used by both the runtime's built-in native |
| 1359 | // methods and libcore. |
Elliott Hughes | fea966e | 2011-09-22 10:26:20 -0700 | [diff] [blame] | 1360 | JniConstants::init(env); |
| 1361 | |
Elliott Hughes | 418d20f | 2011-09-22 14:00:39 -0700 | [diff] [blame] | 1362 | // Then set up the native methods provided by the runtime itself. |
Elliott Hughes | ad7c2a3 | 2011-08-31 11:58:10 -0700 | [diff] [blame] | 1363 | RegisterRuntimeNativeMethods(env); |
| 1364 | |
Yi Kong | 0871cd7 | 2015-11-20 16:00:31 +0000 | [diff] [blame] | 1365 | // Initialize classes used in JNI. The initialization requires runtime native |
| 1366 | // methods to be loaded first. |
| 1367 | WellKnownClasses::Init(env); |
| 1368 | |
Narayan Kamath | d7b3c7f | 2015-11-18 09:49:10 +0000 | [diff] [blame] | 1369 | // Then set up libjavacore / libopenjdk, which are just a regular JNI libraries with |
Narayan Kamath | d1ef436 | 2015-11-12 11:49:06 +0000 | [diff] [blame] | 1370 | // a regular JNI_OnLoad. Most JNI libraries can just use System.loadLibrary, but |
| 1371 | // libcore can't because it's the library that implements System.loadLibrary! |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 1372 | { |
Dmitriy Ivanov | 44409d3 | 2015-11-11 14:18:55 -0800 | [diff] [blame] | 1373 | std::string error_msg; |
Dimitry Ivanov | 942dc298 | 2016-02-24 13:33:33 -0800 | [diff] [blame] | 1374 | if (!java_vm_->LoadNativeLibrary(env, "libjavacore.so", nullptr, nullptr, &error_msg)) { |
Dmitriy Ivanov | 44409d3 | 2015-11-11 14:18:55 -0800 | [diff] [blame] | 1375 | LOG(FATAL) << "LoadNativeLibrary failed for \"libjavacore.so\": " << error_msg; |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 1376 | } |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 1377 | } |
Piotr Jastrzebski | 8ca9077 | 2015-04-24 09:18:00 +0100 | [diff] [blame] | 1378 | { |
Andreas Gampe | 10edbb1 | 2016-01-06 17:59:49 -0800 | [diff] [blame] | 1379 | constexpr const char* kOpenJdkLibrary = kIsDebugBuild |
| 1380 | ? "libopenjdkd.so" |
| 1381 | : "libopenjdk.so"; |
Dmitriy Ivanov | 3e38172 | 2015-11-23 17:40:11 -0800 | [diff] [blame] | 1382 | std::string error_msg; |
Dimitry Ivanov | 942dc298 | 2016-02-24 13:33:33 -0800 | [diff] [blame] | 1383 | if (!java_vm_->LoadNativeLibrary(env, kOpenJdkLibrary, nullptr, nullptr, &error_msg)) { |
Andreas Gampe | 10edbb1 | 2016-01-06 17:59:49 -0800 | [diff] [blame] | 1384 | LOG(FATAL) << "LoadNativeLibrary failed for \"" << kOpenJdkLibrary << "\": " << error_msg; |
Piotr Jastrzebski | 8ca9077 | 2015-04-24 09:18:00 +0100 | [diff] [blame] | 1385 | } |
Piotr Jastrzebski | 8ca9077 | 2015-04-24 09:18:00 +0100 | [diff] [blame] | 1386 | } |
Ian Rogers | ef28b14 | 2012-11-30 14:22:18 -0800 | [diff] [blame] | 1387 | |
| 1388 | // Initialize well known classes that may invoke runtime native methods. |
| 1389 | WellKnownClasses::LateInit(env); |
| 1390 | |
Elliott Hughes | 4dd9b4d | 2011-12-12 18:29:24 -0800 | [diff] [blame] | 1391 | VLOG(startup) << "Runtime::InitNativeMethods exiting"; |
Elliott Hughes | ad7c2a3 | 2011-08-31 11:58:10 -0700 | [diff] [blame] | 1392 | } |
| 1393 | |
Jean-Philippe Halimi | ca76a1a | 2016-02-02 19:48:52 +0100 | [diff] [blame] | 1394 | void Runtime::ReclaimArenaPoolMemory() { |
| 1395 | arena_pool_->LockReclaimMemory(); |
| 1396 | } |
| 1397 | |
Ian Rogers | 365c102 | 2012-06-22 15:05:28 -0700 | [diff] [blame] | 1398 | void Runtime::InitThreadGroups(Thread* self) { |
| 1399 | JNIEnvExt* env = self->GetJniEnv(); |
| 1400 | ScopedJniEnvLocalRefState env_state(env); |
| 1401 | main_thread_group_ = |
Brian Carlstrom | 491ca9e | 2014-03-02 18:24:38 -0800 | [diff] [blame] | 1402 | env->NewGlobalRef(env->GetStaticObjectField( |
| 1403 | WellKnownClasses::java_lang_ThreadGroup, |
| 1404 | WellKnownClasses::java_lang_ThreadGroup_mainThreadGroup)); |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 1405 | CHECK(main_thread_group_ != nullptr || IsAotCompiler()); |
Ian Rogers | 365c102 | 2012-06-22 15:05:28 -0700 | [diff] [blame] | 1406 | system_thread_group_ = |
Brian Carlstrom | 491ca9e | 2014-03-02 18:24:38 -0800 | [diff] [blame] | 1407 | env->NewGlobalRef(env->GetStaticObjectField( |
| 1408 | WellKnownClasses::java_lang_ThreadGroup, |
| 1409 | WellKnownClasses::java_lang_ThreadGroup_systemThreadGroup)); |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 1410 | CHECK(system_thread_group_ != nullptr || IsAotCompiler()); |
Brian Carlstrom | 034f76b | 2012-08-01 15:51:58 -0700 | [diff] [blame] | 1411 | } |
| 1412 | |
| 1413 | jobject Runtime::GetMainThreadGroup() const { |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 1414 | CHECK(main_thread_group_ != nullptr || IsAotCompiler()); |
Brian Carlstrom | 034f76b | 2012-08-01 15:51:58 -0700 | [diff] [blame] | 1415 | return main_thread_group_; |
| 1416 | } |
| 1417 | |
| 1418 | jobject Runtime::GetSystemThreadGroup() const { |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 1419 | CHECK(system_thread_group_ != nullptr || IsAotCompiler()); |
Brian Carlstrom | 034f76b | 2012-08-01 15:51:58 -0700 | [diff] [blame] | 1420 | return system_thread_group_; |
Ian Rogers | 365c102 | 2012-06-22 15:05:28 -0700 | [diff] [blame] | 1421 | } |
| 1422 | |
Brian Carlstrom | ce88853 | 2013-10-10 00:32:58 -0700 | [diff] [blame] | 1423 | jobject Runtime::GetSystemClassLoader() const { |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 1424 | CHECK(system_class_loader_ != nullptr || IsAotCompiler()); |
Brian Carlstrom | ce88853 | 2013-10-10 00:32:58 -0700 | [diff] [blame] | 1425 | return system_class_loader_; |
| 1426 | } |
| 1427 | |
Elliott Hughes | ad7c2a3 | 2011-08-31 11:58:10 -0700 | [diff] [blame] | 1428 | void Runtime::RegisterRuntimeNativeMethods(JNIEnv* env) { |
Andreas Gampe | 277ccbd | 2014-11-03 21:36:10 -0800 | [diff] [blame] | 1429 | register_dalvik_system_DexFile(env); |
Orion Hodson | a4c2a05 | 2016-08-17 10:51:42 +0100 | [diff] [blame] | 1430 | register_dalvik_system_InMemoryDexClassLoader_DexData(env); |
Andreas Gampe | 277ccbd | 2014-11-03 21:36:10 -0800 | [diff] [blame] | 1431 | register_dalvik_system_VMDebug(env); |
| 1432 | register_dalvik_system_VMRuntime(env); |
| 1433 | register_dalvik_system_VMStack(env); |
| 1434 | register_dalvik_system_ZygoteHooks(env); |
| 1435 | register_java_lang_Class(env); |
| 1436 | register_java_lang_DexCache(env); |
| 1437 | register_java_lang_Object(env); |
| 1438 | register_java_lang_ref_FinalizerReference(env); |
| 1439 | register_java_lang_reflect_Array(env); |
| 1440 | register_java_lang_reflect_Constructor(env); |
Neil Fuller | 0e84439 | 2016-09-08 13:43:31 +0100 | [diff] [blame] | 1441 | register_java_lang_reflect_Executable(env); |
Andreas Gampe | 277ccbd | 2014-11-03 21:36:10 -0800 | [diff] [blame] | 1442 | register_java_lang_reflect_Field(env); |
| 1443 | register_java_lang_reflect_Method(env); |
Neil Fuller | 60458a0 | 2016-09-01 15:32:44 +0100 | [diff] [blame] | 1444 | register_java_lang_reflect_Parameter(env); |
Andreas Gampe | 277ccbd | 2014-11-03 21:36:10 -0800 | [diff] [blame] | 1445 | register_java_lang_reflect_Proxy(env); |
| 1446 | register_java_lang_ref_Reference(env); |
Andreas Gampe | 277ccbd | 2014-11-03 21:36:10 -0800 | [diff] [blame] | 1447 | register_java_lang_String(env); |
Jeff Hao | 848f70a | 2014-01-15 13:49:50 -0800 | [diff] [blame] | 1448 | register_java_lang_StringFactory(env); |
Andreas Gampe | 277ccbd | 2014-11-03 21:36:10 -0800 | [diff] [blame] | 1449 | register_java_lang_System(env); |
| 1450 | register_java_lang_Thread(env); |
| 1451 | register_java_lang_Throwable(env); |
| 1452 | register_java_lang_VMClassLoader(env); |
| 1453 | register_java_util_concurrent_atomic_AtomicLong(env); |
Jeff Hao | 848f70a | 2014-01-15 13:49:50 -0800 | [diff] [blame] | 1454 | register_libcore_util_CharsetUtils(env); |
Andreas Gampe | 277ccbd | 2014-11-03 21:36:10 -0800 | [diff] [blame] | 1455 | register_org_apache_harmony_dalvik_ddmc_DdmServer(env); |
| 1456 | register_org_apache_harmony_dalvik_ddmc_DdmVmInternal(env); |
| 1457 | register_sun_misc_Unsafe(env); |
Elliott Hughes | ad7c2a3 | 2011-08-31 11:58:10 -0700 | [diff] [blame] | 1458 | } |
| 1459 | |
Elliott Hughes | c967f78 | 2012-04-16 10:23:15 -0700 | [diff] [blame] | 1460 | void Runtime::DumpForSigQuit(std::ostream& os) { |
Mathieu Chartier | 0b8f1bf | 2015-12-10 17:11:07 -0800 | [diff] [blame] | 1461 | // Dumping for SIGQIT may cause deadlocks if the the debugger is active. b/26118154 |
| 1462 | if (Dbg::IsDebuggerActive()) { |
| 1463 | LOG(INFO) << "Skipping DumpForSigQuit due to active debugger"; |
| 1464 | return; |
| 1465 | } |
Elliott Hughes | cac6cc7 | 2011-11-03 20:31:21 -0700 | [diff] [blame] | 1466 | GetClassLinker()->DumpForSigQuit(os); |
| 1467 | GetInternTable()->DumpForSigQuit(os); |
Elliott Hughes | ae80b49 | 2012-04-24 10:43:17 -0700 | [diff] [blame] | 1468 | GetJavaVM()->DumpForSigQuit(os); |
Elliott Hughes | c967f78 | 2012-04-16 10:23:15 -0700 | [diff] [blame] | 1469 | GetHeap()->DumpForSigQuit(os); |
Nicolas Geoffray | 04680f3 | 2016-03-17 11:56:54 +0000 | [diff] [blame] | 1470 | oat_file_manager_->DumpForSigQuit(os); |
Nicolas Geoffray | aee2156 | 2015-12-15 16:39:44 +0000 | [diff] [blame] | 1471 | if (GetJit() != nullptr) { |
| 1472 | GetJit()->DumpForSigQuit(os); |
| 1473 | } else { |
| 1474 | os << "Running non JIT\n"; |
| 1475 | } |
Mathieu Chartier | bad0267 | 2014-08-25 13:08:22 -0700 | [diff] [blame] | 1476 | TrackedAllocators::Dump(os); |
Elliott Hughes | 42ee142 | 2011-09-06 12:33:32 -0700 | [diff] [blame] | 1477 | os << "\n"; |
Elliott Hughes | 8daa092 | 2011-09-11 13:46:25 -0700 | [diff] [blame] | 1478 | |
Elliott Hughes | c967f78 | 2012-04-16 10:23:15 -0700 | [diff] [blame] | 1479 | thread_list_->DumpForSigQuit(os); |
Ian Rogers | 56edc43 | 2013-01-18 16:51:51 -0800 | [diff] [blame] | 1480 | BaseMutex::DumpAll(os); |
Elliott Hughes | e27955c | 2011-08-26 15:21:24 -0700 | [diff] [blame] | 1481 | } |
| 1482 | |
Elliott Hughes | 21a5bf2 | 2011-12-07 14:35:20 -0800 | [diff] [blame] | 1483 | void Runtime::DumpLockHolders(std::ostream& os) { |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 1484 | uint64_t mutator_lock_owner = Locks::mutator_lock_->GetExclusiveOwnerTid(); |
Elliott Hughes | 21a5bf2 | 2011-12-07 14:35:20 -0800 | [diff] [blame] | 1485 | pid_t thread_list_lock_owner = GetThreadList()->GetLockOwner(); |
| 1486 | pid_t classes_lock_owner = GetClassLinker()->GetClassesLockOwner(); |
| 1487 | pid_t dex_lock_owner = GetClassLinker()->GetDexLockOwner(); |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 1488 | if ((thread_list_lock_owner | classes_lock_owner | dex_lock_owner) != 0) { |
| 1489 | os << "Mutator lock exclusive owner tid: " << mutator_lock_owner << "\n" |
Elliott Hughes | 21a5bf2 | 2011-12-07 14:35:20 -0800 | [diff] [blame] | 1490 | << "ThreadList lock owner tid: " << thread_list_lock_owner << "\n" |
| 1491 | << "ClassLinker classes lock owner tid: " << classes_lock_owner << "\n" |
| 1492 | << "ClassLinker dex lock owner tid: " << dex_lock_owner << "\n"; |
| 1493 | } |
| 1494 | } |
| 1495 | |
Mathieu Chartier | 9ef78b5 | 2014-09-25 17:03:12 -0700 | [diff] [blame] | 1496 | void Runtime::SetStatsEnabled(bool new_state) { |
| 1497 | Thread* self = Thread::Current(); |
| 1498 | MutexLock mu(self, *Locks::instrument_entrypoints_lock_); |
Elliott Hughes | 9d5ccec | 2011-09-19 13:19:50 -0700 | [diff] [blame] | 1499 | if (new_state == true) { |
| 1500 | GetStats()->Clear(~0); |
| 1501 | // TODO: wouldn't it make more sense to clear _all_ threads' stats? |
Mathieu Chartier | 9ef78b5 | 2014-09-25 17:03:12 -0700 | [diff] [blame] | 1502 | self->GetStats()->Clear(~0); |
| 1503 | if (stats_enabled_ != new_state) { |
| 1504 | GetInstrumentation()->InstrumentQuickAllocEntryPointsLocked(); |
| 1505 | } |
| 1506 | } else if (stats_enabled_ != new_state) { |
| 1507 | GetInstrumentation()->UninstrumentQuickAllocEntryPointsLocked(); |
Elliott Hughes | 9d5ccec | 2011-09-19 13:19:50 -0700 | [diff] [blame] | 1508 | } |
| 1509 | stats_enabled_ = new_state; |
| 1510 | } |
| 1511 | |
| 1512 | void Runtime::ResetStats(int kinds) { |
| 1513 | GetStats()->Clear(kinds & 0xffff); |
| 1514 | // TODO: wouldn't it make more sense to clear _all_ threads' stats? |
| 1515 | Thread::Current()->GetStats()->Clear(kinds >> 16); |
| 1516 | } |
| 1517 | |
Elliott Hughes | 9d5ccec | 2011-09-19 13:19:50 -0700 | [diff] [blame] | 1518 | int32_t Runtime::GetStat(int kind) { |
| 1519 | RuntimeStats* stats; |
| 1520 | if (kind < (1<<16)) { |
| 1521 | stats = GetStats(); |
| 1522 | } else { |
| 1523 | stats = Thread::Current()->GetStats(); |
| 1524 | kind >>= 16; |
| 1525 | } |
| 1526 | switch (kind) { |
| 1527 | case KIND_ALLOCATED_OBJECTS: |
| 1528 | return stats->allocated_objects; |
| 1529 | case KIND_ALLOCATED_BYTES: |
| 1530 | return stats->allocated_bytes; |
| 1531 | case KIND_FREED_OBJECTS: |
| 1532 | return stats->freed_objects; |
| 1533 | case KIND_FREED_BYTES: |
| 1534 | return stats->freed_bytes; |
| 1535 | case KIND_GC_INVOCATIONS: |
| 1536 | return stats->gc_for_alloc_count; |
| 1537 | case KIND_CLASS_INIT_COUNT: |
| 1538 | return stats->class_init_count; |
| 1539 | case KIND_CLASS_INIT_TIME: |
| 1540 | // Convert ns to us, reduce to 32 bits. |
Elliott Hughes | 398f64b | 2012-03-26 18:05:48 -0700 | [diff] [blame] | 1541 | return static_cast<int>(stats->class_init_time_ns / 1000); |
Elliott Hughes | 9d5ccec | 2011-09-19 13:19:50 -0700 | [diff] [blame] | 1542 | case KIND_EXT_ALLOCATED_OBJECTS: |
| 1543 | case KIND_EXT_ALLOCATED_BYTES: |
| 1544 | case KIND_EXT_FREED_OBJECTS: |
| 1545 | case KIND_EXT_FREED_BYTES: |
| 1546 | return 0; // backward compatibility |
| 1547 | default: |
Elliott Hughes | 7b9d996 | 2012-04-20 18:48:18 -0700 | [diff] [blame] | 1548 | LOG(FATAL) << "Unknown statistic " << kind; |
Brian Carlstrom | 7934ac2 | 2013-07-26 10:54:15 -0700 | [diff] [blame] | 1549 | return -1; // unreachable |
Elliott Hughes | 9d5ccec | 2011-09-19 13:19:50 -0700 | [diff] [blame] | 1550 | } |
| 1551 | } |
| 1552 | |
Elliott Hughes | c1674ed | 2011-08-25 18:09:09 -0700 | [diff] [blame] | 1553 | void Runtime::BlockSignals() { |
Elliott Hughes | 457005c | 2012-04-16 13:54:25 -0700 | [diff] [blame] | 1554 | SignalSet signals; |
| 1555 | signals.Add(SIGPIPE); |
Elliott Hughes | c1674ed | 2011-08-25 18:09:09 -0700 | [diff] [blame] | 1556 | // SIGQUIT is used to dump the runtime's state (including stack traces). |
Elliott Hughes | 457005c | 2012-04-16 13:54:25 -0700 | [diff] [blame] | 1557 | signals.Add(SIGQUIT); |
Elliott Hughes | 0879504 | 2012-04-03 14:48:52 -0700 | [diff] [blame] | 1558 | // SIGUSR1 is used to initiate a GC. |
Elliott Hughes | 457005c | 2012-04-16 13:54:25 -0700 | [diff] [blame] | 1559 | signals.Add(SIGUSR1); |
| 1560 | signals.Block(); |
Elliott Hughes | c1674ed | 2011-08-25 18:09:09 -0700 | [diff] [blame] | 1561 | } |
| 1562 | |
Igor Murashkin | b1d8c31 | 2015-08-04 11:18:43 -0700 | [diff] [blame] | 1563 | bool Runtime::AttachCurrentThread(const char* thread_name, bool as_daemon, jobject thread_group, |
Mathieu Chartier | 664bebf | 2012-11-12 16:54:11 -0800 | [diff] [blame] | 1564 | bool create_peer) { |
Mathieu Chartier | 32ce2ad | 2016-03-04 14:58:03 -0800 | [diff] [blame] | 1565 | ScopedTrace trace(__FUNCTION__); |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 1566 | return Thread::Attach(thread_name, as_daemon, thread_group, create_peer) != nullptr; |
Carl Shapiro | 61e019d | 2011-07-14 16:53:09 -0700 | [diff] [blame] | 1567 | } |
| 1568 | |
Elliott Hughes | d92bec4 | 2011-09-02 17:04:36 -0700 | [diff] [blame] | 1569 | void Runtime::DetachCurrentThread() { |
Mathieu Chartier | 32ce2ad | 2016-03-04 14:58:03 -0800 | [diff] [blame] | 1570 | ScopedTrace trace(__FUNCTION__); |
Brian Carlstrom | 4d57143 | 2012-05-16 00:21:41 -0700 | [diff] [blame] | 1571 | Thread* self = Thread::Current(); |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 1572 | if (self == nullptr) { |
Brian Carlstrom | 4d57143 | 2012-05-16 00:21:41 -0700 | [diff] [blame] | 1573 | LOG(FATAL) << "attempting to detach thread that is not attached"; |
| 1574 | } |
Ian Rogers | 0399dde | 2012-06-06 17:09:28 -0700 | [diff] [blame] | 1575 | if (self->HasManagedStack()) { |
Elliott Hughes | 22869a9 | 2012-03-27 14:08:24 -0700 | [diff] [blame] | 1576 | LOG(FATAL) << *Thread::Current() << " attempting to detach while still running code"; |
| 1577 | } |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 1578 | thread_list_->Unregister(self); |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 1579 | } |
| 1580 | |
Hiroshi Yamauchi | ab08811 | 2014-07-14 13:00:14 -0700 | [diff] [blame] | 1581 | mirror::Throwable* Runtime::GetPreAllocatedOutOfMemoryError() { |
Hiroshi Yamauchi | 94f7b49 | 2014-07-22 18:08:23 -0700 | [diff] [blame] | 1582 | mirror::Throwable* oome = pre_allocated_OutOfMemoryError_.Read(); |
Ian Rogers | 6355745 | 2014-06-04 16:57:15 -0700 | [diff] [blame] | 1583 | if (oome == nullptr) { |
Ian Rogers | a436fde | 2013-08-27 23:34:06 -0700 | [diff] [blame] | 1584 | LOG(ERROR) << "Failed to return pre-allocated OOME"; |
| 1585 | } |
Hiroshi Yamauchi | ab08811 | 2014-07-14 13:00:14 -0700 | [diff] [blame] | 1586 | return oome; |
Ian Rogers | a436fde | 2013-08-27 23:34:06 -0700 | [diff] [blame] | 1587 | } |
| 1588 | |
Ian Rogers | 6355745 | 2014-06-04 16:57:15 -0700 | [diff] [blame] | 1589 | mirror::Throwable* Runtime::GetPreAllocatedNoClassDefFoundError() { |
| 1590 | mirror::Throwable* ncdfe = pre_allocated_NoClassDefFoundError_.Read(); |
| 1591 | if (ncdfe == nullptr) { |
| 1592 | LOG(ERROR) << "Failed to return pre-allocated NoClassDefFoundError"; |
| 1593 | } |
| 1594 | return ncdfe; |
| 1595 | } |
| 1596 | |
Mathieu Chartier | bb87e0f | 2015-04-03 11:21:55 -0700 | [diff] [blame] | 1597 | void Runtime::VisitConstantRoots(RootVisitor* visitor) { |
Mathieu Chartier | 893263b | 2014-03-04 11:07:42 -0800 | [diff] [blame] | 1598 | // Visit the classes held as static in mirror classes, these can be visited concurrently and only |
Mathieu Chartier | 3b05e9b | 2014-03-25 09:29:43 -0700 | [diff] [blame] | 1599 | // need to be visited once per GC since they never change. |
Mathieu Chartier | bb87e0f | 2015-04-03 11:21:55 -0700 | [diff] [blame] | 1600 | mirror::Class::VisitRoots(visitor); |
Mathieu Chartier | fc58af4 | 2015-04-16 18:00:39 -0700 | [diff] [blame] | 1601 | mirror::Constructor::VisitRoots(visitor); |
Mathieu Chartier | bb87e0f | 2015-04-03 11:21:55 -0700 | [diff] [blame] | 1602 | mirror::Reference::VisitRoots(visitor); |
Mathieu Chartier | fc58af4 | 2015-04-16 18:00:39 -0700 | [diff] [blame] | 1603 | mirror::Method::VisitRoots(visitor); |
Mathieu Chartier | bb87e0f | 2015-04-03 11:21:55 -0700 | [diff] [blame] | 1604 | mirror::StackTraceElement::VisitRoots(visitor); |
| 1605 | mirror::String::VisitRoots(visitor); |
| 1606 | mirror::Throwable::VisitRoots(visitor); |
| 1607 | mirror::Field::VisitRoots(visitor); |
Narayan Kamath | afa4827 | 2016-08-03 12:46:58 +0100 | [diff] [blame] | 1608 | mirror::MethodType::VisitRoots(visitor); |
| 1609 | mirror::MethodHandleImpl::VisitRoots(visitor); |
Narayan Kamath | 000e188 | 2016-10-24 17:14:25 +0100 | [diff] [blame] | 1610 | mirror::EmulatedStackFrame::VisitRoots(visitor); |
Alex Light | cec2fd4 | 2016-11-02 16:32:07 -0700 | [diff] [blame] | 1611 | mirror::ClassExt::VisitRoots(visitor); |
Mathieu Chartier | c528dba | 2013-11-26 12:00:11 -0800 | [diff] [blame] | 1612 | // Visit all the primitive array types classes. |
Mathieu Chartier | bb87e0f | 2015-04-03 11:21:55 -0700 | [diff] [blame] | 1613 | mirror::PrimitiveArray<uint8_t>::VisitRoots(visitor); // BooleanArray |
| 1614 | mirror::PrimitiveArray<int8_t>::VisitRoots(visitor); // ByteArray |
| 1615 | mirror::PrimitiveArray<uint16_t>::VisitRoots(visitor); // CharArray |
| 1616 | mirror::PrimitiveArray<double>::VisitRoots(visitor); // DoubleArray |
| 1617 | mirror::PrimitiveArray<float>::VisitRoots(visitor); // FloatArray |
| 1618 | mirror::PrimitiveArray<int32_t>::VisitRoots(visitor); // IntArray |
| 1619 | mirror::PrimitiveArray<int64_t>::VisitRoots(visitor); // LongArray |
| 1620 | mirror::PrimitiveArray<int16_t>::VisitRoots(visitor); // ShortArray |
Mathieu Chartier | e3b034a | 2015-05-31 14:29:23 -0700 | [diff] [blame] | 1621 | // Visiting the roots of these ArtMethods is not currently required since all the GcRoots are |
| 1622 | // null. |
| 1623 | BufferedRootVisitor<16> buffered_visitor(visitor, RootInfo(kRootVMInternal)); |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 1624 | const PointerSize pointer_size = GetClassLinker()->GetImagePointerSize(); |
Mathieu Chartier | e3b034a | 2015-05-31 14:29:23 -0700 | [diff] [blame] | 1625 | if (HasResolutionMethod()) { |
Mathieu Chartier | 1147b9b | 2015-09-14 18:50:08 -0700 | [diff] [blame] | 1626 | resolution_method_->VisitRoots(buffered_visitor, pointer_size); |
Mathieu Chartier | e3b034a | 2015-05-31 14:29:23 -0700 | [diff] [blame] | 1627 | } |
| 1628 | if (HasImtConflictMethod()) { |
Mathieu Chartier | 1147b9b | 2015-09-14 18:50:08 -0700 | [diff] [blame] | 1629 | imt_conflict_method_->VisitRoots(buffered_visitor, pointer_size); |
Mathieu Chartier | e3b034a | 2015-05-31 14:29:23 -0700 | [diff] [blame] | 1630 | } |
| 1631 | if (imt_unimplemented_method_ != nullptr) { |
Mathieu Chartier | 1147b9b | 2015-09-14 18:50:08 -0700 | [diff] [blame] | 1632 | imt_unimplemented_method_->VisitRoots(buffered_visitor, pointer_size); |
Mathieu Chartier | e3b034a | 2015-05-31 14:29:23 -0700 | [diff] [blame] | 1633 | } |
| 1634 | for (size_t i = 0; i < kLastCalleeSaveType; ++i) { |
| 1635 | auto* m = reinterpret_cast<ArtMethod*>(callee_save_methods_[i]); |
| 1636 | if (m != nullptr) { |
Mathieu Chartier | 1147b9b | 2015-09-14 18:50:08 -0700 | [diff] [blame] | 1637 | m->VisitRoots(buffered_visitor, pointer_size); |
Mathieu Chartier | e3b034a | 2015-05-31 14:29:23 -0700 | [diff] [blame] | 1638 | } |
| 1639 | } |
Mathieu Chartier | 893263b | 2014-03-04 11:07:42 -0800 | [diff] [blame] | 1640 | } |
| 1641 | |
Mathieu Chartier | bb87e0f | 2015-04-03 11:21:55 -0700 | [diff] [blame] | 1642 | void Runtime::VisitConcurrentRoots(RootVisitor* visitor, VisitRootFlags flags) { |
| 1643 | intern_table_->VisitRoots(visitor, flags); |
| 1644 | class_linker_->VisitRoots(visitor, flags); |
Man Cao | 1ed11b9 | 2015-06-11 22:47:35 -0700 | [diff] [blame] | 1645 | heap_->VisitAllocationRecords(visitor); |
Mathieu Chartier | 893263b | 2014-03-04 11:07:42 -0800 | [diff] [blame] | 1646 | if ((flags & kVisitRootFlagNewRoots) == 0) { |
| 1647 | // Guaranteed to have no new roots in the constant roots. |
Mathieu Chartier | bb87e0f | 2015-04-03 11:21:55 -0700 | [diff] [blame] | 1648 | VisitConstantRoots(visitor); |
Mathieu Chartier | 893263b | 2014-03-04 11:07:42 -0800 | [diff] [blame] | 1649 | } |
Mathieu Chartier | a6b1ead | 2015-10-06 10:32:38 -0700 | [diff] [blame] | 1650 | Dbg::VisitRoots(visitor); |
Mathieu Chartier | 893263b | 2014-03-04 11:07:42 -0800 | [diff] [blame] | 1651 | } |
| 1652 | |
Mathieu Chartier | bb87e0f | 2015-04-03 11:21:55 -0700 | [diff] [blame] | 1653 | void Runtime::VisitTransactionRoots(RootVisitor* visitor) { |
Hiroshi Yamauchi | 2cd334a | 2015-01-09 14:03:35 -0800 | [diff] [blame] | 1654 | if (preinitialization_transaction_ != nullptr) { |
Mathieu Chartier | bb87e0f | 2015-04-03 11:21:55 -0700 | [diff] [blame] | 1655 | preinitialization_transaction_->VisitRoots(visitor); |
Hiroshi Yamauchi | 2cd334a | 2015-01-09 14:03:35 -0800 | [diff] [blame] | 1656 | } |
| 1657 | } |
| 1658 | |
Mathieu Chartier | bb87e0f | 2015-04-03 11:21:55 -0700 | [diff] [blame] | 1659 | void Runtime::VisitNonThreadRoots(RootVisitor* visitor) { |
| 1660 | java_vm_->VisitRoots(visitor); |
| 1661 | sentinel_.VisitRootIfNonNull(visitor, RootInfo(kRootVMInternal)); |
| 1662 | pre_allocated_OutOfMemoryError_.VisitRootIfNonNull(visitor, RootInfo(kRootVMInternal)); |
Mathieu Chartier | bb87e0f | 2015-04-03 11:21:55 -0700 | [diff] [blame] | 1663 | pre_allocated_NoClassDefFoundError_.VisitRootIfNonNull(visitor, RootInfo(kRootVMInternal)); |
Mathieu Chartier | bb87e0f | 2015-04-03 11:21:55 -0700 | [diff] [blame] | 1664 | verifier::MethodVerifier::VisitStaticRoots(visitor); |
| 1665 | VisitTransactionRoots(visitor); |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 1666 | } |
| 1667 | |
Mathieu Chartier | bb87e0f | 2015-04-03 11:21:55 -0700 | [diff] [blame] | 1668 | void Runtime::VisitNonConcurrentRoots(RootVisitor* visitor) { |
| 1669 | thread_list_->VisitRoots(visitor); |
| 1670 | VisitNonThreadRoots(visitor); |
Mathieu Chartier | 858f1c5 | 2012-10-17 17:45:55 -0700 | [diff] [blame] | 1671 | } |
| 1672 | |
Mathieu Chartier | bb87e0f | 2015-04-03 11:21:55 -0700 | [diff] [blame] | 1673 | void Runtime::VisitThreadRoots(RootVisitor* visitor) { |
| 1674 | thread_list_->VisitRoots(visitor); |
Hiroshi Yamauchi | 2cd334a | 2015-01-09 14:03:35 -0800 | [diff] [blame] | 1675 | } |
| 1676 | |
Igor Murashkin | b1d8c31 | 2015-08-04 11:18:43 -0700 | [diff] [blame] | 1677 | size_t Runtime::FlipThreadRoots(Closure* thread_flip_visitor, Closure* flip_callback, |
Hiroshi Yamauchi | 2cd334a | 2015-01-09 14:03:35 -0800 | [diff] [blame] | 1678 | gc::collector::GarbageCollector* collector) { |
| 1679 | return thread_list_->FlipThreadRoots(thread_flip_visitor, flip_callback, collector); |
| 1680 | } |
| 1681 | |
Mathieu Chartier | bb87e0f | 2015-04-03 11:21:55 -0700 | [diff] [blame] | 1682 | void Runtime::VisitRoots(RootVisitor* visitor, VisitRootFlags flags) { |
| 1683 | VisitNonConcurrentRoots(visitor); |
| 1684 | VisitConcurrentRoots(visitor, flags); |
Mathieu Chartier | 9ebae1f | 2012-10-15 17:38:16 -0700 | [diff] [blame] | 1685 | } |
| 1686 | |
Mathieu Chartier | bb87e0f | 2015-04-03 11:21:55 -0700 | [diff] [blame] | 1687 | void Runtime::VisitImageRoots(RootVisitor* visitor) { |
Mathieu Chartier | 461687d | 2015-03-31 12:05:24 -0700 | [diff] [blame] | 1688 | for (auto* space : GetHeap()->GetContinuousSpaces()) { |
| 1689 | if (space->IsImageSpace()) { |
| 1690 | auto* image_space = space->AsImageSpace(); |
| 1691 | const auto& image_header = image_space->GetImageHeader(); |
| 1692 | for (size_t i = 0; i < ImageHeader::kImageRootsMax; ++i) { |
| 1693 | auto* obj = image_header.GetImageRoot(static_cast<ImageHeader::ImageRoot>(i)); |
| 1694 | if (obj != nullptr) { |
| 1695 | auto* after_obj = obj; |
Mathieu Chartier | bb87e0f | 2015-04-03 11:21:55 -0700 | [diff] [blame] | 1696 | visitor->VisitRoot(&after_obj, RootInfo(kRootStickyClass)); |
Mathieu Chartier | 461687d | 2015-03-31 12:05:24 -0700 | [diff] [blame] | 1697 | CHECK_EQ(after_obj, obj); |
| 1698 | } |
| 1699 | } |
| 1700 | } |
| 1701 | } |
| 1702 | } |
| 1703 | |
Nicolas Geoffray | 796d630 | 2016-03-13 22:22:31 +0000 | [diff] [blame] | 1704 | ArtMethod* Runtime::CreateImtConflictMethod(LinearAlloc* linear_alloc) { |
Mathieu Chartier | 91288d8 | 2016-04-28 09:44:54 -0700 | [diff] [blame] | 1705 | ClassLinker* const class_linker = GetClassLinker(); |
| 1706 | ArtMethod* method = class_linker->CreateRuntimeMethod(linear_alloc); |
Jeff Hao | 88474b4 | 2013-10-23 16:24:40 -0700 | [diff] [blame] | 1707 | // When compiling, the code pointer will get set later when the image is loaded. |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 1708 | const PointerSize pointer_size = GetInstructionSetPointerSize(instruction_set_); |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 1709 | if (IsAotCompiler()) { |
Jeff Hao | c7d1188 | 2015-02-03 15:08:39 -0800 | [diff] [blame] | 1710 | method->SetEntryPointFromQuickCompiledCodePtrSize(nullptr, pointer_size); |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 1711 | } else { |
Ian Rogers | 6f3dbba | 2014-10-14 17:41:57 -0700 | [diff] [blame] | 1712 | method->SetEntryPointFromQuickCompiledCode(GetQuickImtConflictStub()); |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 1713 | } |
Mathieu Chartier | 91288d8 | 2016-04-28 09:44:54 -0700 | [diff] [blame] | 1714 | // Create empty conflict table. |
| 1715 | method->SetImtConflictTable(class_linker->CreateImtConflictTable(/*count*/0u, linear_alloc), |
| 1716 | pointer_size); |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 1717 | return method; |
Jeff Hao | 88474b4 | 2013-10-23 16:24:40 -0700 | [diff] [blame] | 1718 | } |
| 1719 | |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 1720 | void Runtime::SetImtConflictMethod(ArtMethod* method) { |
| 1721 | CHECK(method != nullptr); |
| 1722 | CHECK(method->IsRuntimeMethod()); |
| 1723 | imt_conflict_method_ = method; |
Mathieu Chartier | e5f13e5 | 2015-02-24 09:37:21 -0800 | [diff] [blame] | 1724 | } |
| 1725 | |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 1726 | ArtMethod* Runtime::CreateResolutionMethod() { |
Nicolas Geoffray | 796d630 | 2016-03-13 22:22:31 +0000 | [diff] [blame] | 1727 | auto* method = GetClassLinker()->CreateRuntimeMethod(GetLinearAlloc()); |
Jeff Hao | 58df327 | 2013-04-22 15:28:53 -0700 | [diff] [blame] | 1728 | // When compiling, the code pointer will get set later when the image is loaded. |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 1729 | if (IsAotCompiler()) { |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 1730 | PointerSize pointer_size = GetInstructionSetPointerSize(instruction_set_); |
Jeff Hao | c7d1188 | 2015-02-03 15:08:39 -0800 | [diff] [blame] | 1731 | method->SetEntryPointFromQuickCompiledCodePtrSize(nullptr, pointer_size); |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 1732 | } else { |
Ian Rogers | 6f3dbba | 2014-10-14 17:41:57 -0700 | [diff] [blame] | 1733 | method->SetEntryPointFromQuickCompiledCode(GetQuickResolutionStub()); |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 1734 | } |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 1735 | return method; |
Ian Rogers | 1984651 | 2012-02-24 11:42:47 -0800 | [diff] [blame] | 1736 | } |
| 1737 | |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 1738 | ArtMethod* Runtime::CreateCalleeSaveMethod() { |
Nicolas Geoffray | 796d630 | 2016-03-13 22:22:31 +0000 | [diff] [blame] | 1739 | auto* method = GetClassLinker()->CreateRuntimeMethod(GetLinearAlloc()); |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 1740 | PointerSize pointer_size = GetInstructionSetPointerSize(instruction_set_); |
Jeff Hao | c7d1188 | 2015-02-03 15:08:39 -0800 | [diff] [blame] | 1741 | method->SetEntryPointFromQuickCompiledCodePtrSize(nullptr, pointer_size); |
Vladimir Marko | 7624d25 | 2014-05-02 14:40:15 +0100 | [diff] [blame] | 1742 | DCHECK_NE(instruction_set_, kNone); |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 1743 | DCHECK(method->IsRuntimeMethod()); |
| 1744 | return method; |
Ian Rogers | ff1ed47 | 2011-09-20 13:46:24 -0700 | [diff] [blame] | 1745 | } |
| 1746 | |
Mathieu Chartier | c11d9b8 | 2013-09-19 10:01:59 -0700 | [diff] [blame] | 1747 | void Runtime::DisallowNewSystemWeaks() { |
Hiroshi Yamauchi | fdbd13c | 2015-09-02 16:16:58 -0700 | [diff] [blame] | 1748 | CHECK(!kUseReadBarrier); |
Mathieu Chartier | c11d9b8 | 2013-09-19 10:01:59 -0700 | [diff] [blame] | 1749 | monitor_list_->DisallowNewMonitors(); |
Mathieu Chartier | 14c3bf9 | 2015-07-13 14:35:43 -0700 | [diff] [blame] | 1750 | intern_table_->ChangeWeakRootState(gc::kWeakRootStateNoReadsOrWrites); |
Mathieu Chartier | c11d9b8 | 2013-09-19 10:01:59 -0700 | [diff] [blame] | 1751 | java_vm_->DisallowNewWeakGlobals(); |
Man Cao | 42c3c33 | 2015-06-23 16:38:25 -0700 | [diff] [blame] | 1752 | heap_->DisallowNewAllocationRecords(); |
Andreas Gampe | fda5714 | 2016-09-08 20:29:18 -0700 | [diff] [blame] | 1753 | |
| 1754 | // All other generic system-weak holders. |
| 1755 | for (gc::AbstractSystemWeakHolder* holder : system_weak_holders_) { |
| 1756 | holder->Disallow(); |
| 1757 | } |
Mathieu Chartier | c11d9b8 | 2013-09-19 10:01:59 -0700 | [diff] [blame] | 1758 | } |
| 1759 | |
| 1760 | void Runtime::AllowNewSystemWeaks() { |
Hiroshi Yamauchi | fdbd13c | 2015-09-02 16:16:58 -0700 | [diff] [blame] | 1761 | CHECK(!kUseReadBarrier); |
Mathieu Chartier | c11d9b8 | 2013-09-19 10:01:59 -0700 | [diff] [blame] | 1762 | monitor_list_->AllowNewMonitors(); |
Mathieu Chartier | 90ef3db | 2015-08-04 15:19:41 -0700 | [diff] [blame] | 1763 | intern_table_->ChangeWeakRootState(gc::kWeakRootStateNormal); // TODO: Do this in the sweeping. |
Mathieu Chartier | c11d9b8 | 2013-09-19 10:01:59 -0700 | [diff] [blame] | 1764 | java_vm_->AllowNewWeakGlobals(); |
Man Cao | 42c3c33 | 2015-06-23 16:38:25 -0700 | [diff] [blame] | 1765 | heap_->AllowNewAllocationRecords(); |
Andreas Gampe | fda5714 | 2016-09-08 20:29:18 -0700 | [diff] [blame] | 1766 | |
| 1767 | // All other generic system-weak holders. |
| 1768 | for (gc::AbstractSystemWeakHolder* holder : system_weak_holders_) { |
| 1769 | holder->Allow(); |
| 1770 | } |
Mathieu Chartier | c11d9b8 | 2013-09-19 10:01:59 -0700 | [diff] [blame] | 1771 | } |
| 1772 | |
Hiroshi Yamauchi | 0b71357 | 2015-06-16 18:29:23 -0700 | [diff] [blame] | 1773 | void Runtime::BroadcastForNewSystemWeaks() { |
Hiroshi Yamauchi | fdbd13c | 2015-09-02 16:16:58 -0700 | [diff] [blame] | 1774 | // This is used for the read barrier case that uses the thread-local |
| 1775 | // Thread::GetWeakRefAccessEnabled() flag. |
Hiroshi Yamauchi | 0b71357 | 2015-06-16 18:29:23 -0700 | [diff] [blame] | 1776 | CHECK(kUseReadBarrier); |
| 1777 | monitor_list_->BroadcastForNewMonitors(); |
| 1778 | intern_table_->BroadcastForNewInterns(); |
| 1779 | java_vm_->BroadcastForNewWeakGlobals(); |
Hiroshi Yamauchi | fdbd13c | 2015-09-02 16:16:58 -0700 | [diff] [blame] | 1780 | heap_->BroadcastForNewAllocationRecords(); |
Andreas Gampe | fda5714 | 2016-09-08 20:29:18 -0700 | [diff] [blame] | 1781 | |
| 1782 | // All other generic system-weak holders. |
| 1783 | for (gc::AbstractSystemWeakHolder* holder : system_weak_holders_) { |
| 1784 | holder->Broadcast(); |
| 1785 | } |
Hiroshi Yamauchi | 0b71357 | 2015-06-16 18:29:23 -0700 | [diff] [blame] | 1786 | } |
| 1787 | |
Vladimir Marko | 7624d25 | 2014-05-02 14:40:15 +0100 | [diff] [blame] | 1788 | void Runtime::SetInstructionSet(InstructionSet instruction_set) { |
| 1789 | instruction_set_ = instruction_set; |
| 1790 | if ((instruction_set_ == kThumb2) || (instruction_set_ == kArm)) { |
| 1791 | for (int i = 0; i != kLastCalleeSaveType; ++i) { |
| 1792 | CalleeSaveType type = static_cast<CalleeSaveType>(i); |
| 1793 | callee_save_method_frame_infos_[i] = arm::ArmCalleeSaveMethodFrameInfo(type); |
| 1794 | } |
| 1795 | } else if (instruction_set_ == kMips) { |
| 1796 | for (int i = 0; i != kLastCalleeSaveType; ++i) { |
| 1797 | CalleeSaveType type = static_cast<CalleeSaveType>(i); |
| 1798 | callee_save_method_frame_infos_[i] = mips::MipsCalleeSaveMethodFrameInfo(type); |
| 1799 | } |
Andreas Gampe | 57b3429 | 2015-01-14 15:45:59 -0800 | [diff] [blame] | 1800 | } else if (instruction_set_ == kMips64) { |
| 1801 | for (int i = 0; i != kLastCalleeSaveType; ++i) { |
| 1802 | CalleeSaveType type = static_cast<CalleeSaveType>(i); |
| 1803 | callee_save_method_frame_infos_[i] = mips64::Mips64CalleeSaveMethodFrameInfo(type); |
| 1804 | } |
Vladimir Marko | 7624d25 | 2014-05-02 14:40:15 +0100 | [diff] [blame] | 1805 | } else if (instruction_set_ == kX86) { |
| 1806 | for (int i = 0; i != kLastCalleeSaveType; ++i) { |
| 1807 | CalleeSaveType type = static_cast<CalleeSaveType>(i); |
| 1808 | callee_save_method_frame_infos_[i] = x86::X86CalleeSaveMethodFrameInfo(type); |
| 1809 | } |
| 1810 | } else if (instruction_set_ == kX86_64) { |
| 1811 | for (int i = 0; i != kLastCalleeSaveType; ++i) { |
| 1812 | CalleeSaveType type = static_cast<CalleeSaveType>(i); |
| 1813 | callee_save_method_frame_infos_[i] = x86_64::X86_64CalleeSaveMethodFrameInfo(type); |
| 1814 | } |
| 1815 | } else if (instruction_set_ == kArm64) { |
| 1816 | for (int i = 0; i != kLastCalleeSaveType; ++i) { |
| 1817 | CalleeSaveType type = static_cast<CalleeSaveType>(i); |
| 1818 | callee_save_method_frame_infos_[i] = arm64::Arm64CalleeSaveMethodFrameInfo(type); |
| 1819 | } |
| 1820 | } else { |
| 1821 | UNIMPLEMENTED(FATAL) << instruction_set_; |
| 1822 | } |
| 1823 | } |
| 1824 | |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 1825 | void Runtime::SetCalleeSaveMethod(ArtMethod* method, CalleeSaveType type) { |
Ian Rogers | 4f0d07c | 2011-10-06 23:38:47 -0700 | [diff] [blame] | 1826 | DCHECK_LT(static_cast<int>(type), static_cast<int>(kLastCalleeSaveType)); |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 1827 | CHECK(method != nullptr); |
| 1828 | callee_save_methods_[type] = reinterpret_cast<uintptr_t>(method); |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 1829 | } |
| 1830 | |
Calin Juravle | 66f5523 | 2015-12-08 15:09:10 +0000 | [diff] [blame] | 1831 | void Runtime::RegisterAppInfo(const std::vector<std::string>& code_paths, |
Calin Juravle | c90bc92 | 2016-02-24 10:13:09 +0000 | [diff] [blame] | 1832 | const std::string& profile_output_filename, |
| 1833 | const std::string& foreign_dex_profile_path, |
| 1834 | const std::string& app_dir) { |
Calin Juravle | 5e2b971 | 2015-12-18 14:10:00 +0200 | [diff] [blame] | 1835 | if (jit_.get() == nullptr) { |
| 1836 | // We are not JITing. Nothing to do. |
| 1837 | return; |
Calin Juravle | 4d77b6a | 2015-12-01 18:38:09 +0000 | [diff] [blame] | 1838 | } |
Calin Juravle | 5e2b971 | 2015-12-18 14:10:00 +0200 | [diff] [blame] | 1839 | |
| 1840 | VLOG(profiler) << "Register app with " << profile_output_filename |
| 1841 | << " " << Join(code_paths, ':'); |
| 1842 | |
| 1843 | if (profile_output_filename.empty()) { |
| 1844 | LOG(WARNING) << "JIT profile information will not be recorded: profile filename is empty."; |
| 1845 | return; |
| 1846 | } |
| 1847 | if (!FileExists(profile_output_filename)) { |
| 1848 | LOG(WARNING) << "JIT profile information will not be recorded: profile file does not exits."; |
| 1849 | return; |
| 1850 | } |
| 1851 | if (code_paths.empty()) { |
| 1852 | LOG(WARNING) << "JIT profile information will not be recorded: code paths is empty."; |
| 1853 | return; |
| 1854 | } |
| 1855 | |
Calin Juravle | c90bc92 | 2016-02-24 10:13:09 +0000 | [diff] [blame] | 1856 | jit_->StartProfileSaver(profile_output_filename, |
| 1857 | code_paths, |
| 1858 | foreign_dex_profile_path, |
| 1859 | app_dir); |
| 1860 | } |
| 1861 | |
| 1862 | void Runtime::NotifyDexLoaded(const std::string& dex_location) { |
| 1863 | VLOG(profiler) << "Notify dex loaded: " << dex_location; |
| 1864 | // We know that if the ProfileSaver is started then we can record profile information. |
| 1865 | if (ProfileSaver::IsStarted()) { |
| 1866 | ProfileSaver::NotifyDexUse(dex_location); |
| 1867 | } |
Dave Allison | 0aded08 | 2013-11-07 13:15:11 -0800 | [diff] [blame] | 1868 | } |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 1869 | |
| 1870 | // Transaction support. |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 1871 | void Runtime::EnterTransactionMode(Transaction* transaction) { |
Mathieu Chartier | e5f13e5 | 2015-02-24 09:37:21 -0800 | [diff] [blame] | 1872 | DCHECK(IsAotCompiler()); |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 1873 | DCHECK(transaction != nullptr); |
| 1874 | DCHECK(!IsActiveTransaction()); |
Sebastien Hertz | ee1d79a | 2014-02-21 15:46:30 +0100 | [diff] [blame] | 1875 | preinitialization_transaction_ = transaction; |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 1876 | } |
| 1877 | |
| 1878 | void Runtime::ExitTransactionMode() { |
Mathieu Chartier | e5f13e5 | 2015-02-24 09:37:21 -0800 | [diff] [blame] | 1879 | DCHECK(IsAotCompiler()); |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 1880 | DCHECK(IsActiveTransaction()); |
Sebastien Hertz | ee1d79a | 2014-02-21 15:46:30 +0100 | [diff] [blame] | 1881 | preinitialization_transaction_ = nullptr; |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 1882 | } |
| 1883 | |
Sebastien Hertz | 1c80bec | 2015-02-03 11:58:06 +0100 | [diff] [blame] | 1884 | bool Runtime::IsTransactionAborted() const { |
| 1885 | if (!IsActiveTransaction()) { |
| 1886 | return false; |
| 1887 | } else { |
Mathieu Chartier | 184c9dc | 2015-03-05 13:20:54 -0800 | [diff] [blame] | 1888 | DCHECK(IsAotCompiler()); |
Sebastien Hertz | 1c80bec | 2015-02-03 11:58:06 +0100 | [diff] [blame] | 1889 | return preinitialization_transaction_->IsAborted(); |
| 1890 | } |
| 1891 | } |
| 1892 | |
Sebastien Hertz | 2fd7e69 | 2015-04-02 11:11:19 +0200 | [diff] [blame] | 1893 | void Runtime::AbortTransactionAndThrowAbortError(Thread* self, const std::string& abort_message) { |
Mathieu Chartier | 184c9dc | 2015-03-05 13:20:54 -0800 | [diff] [blame] | 1894 | DCHECK(IsAotCompiler()); |
Sebastien Hertz | 1c80bec | 2015-02-03 11:58:06 +0100 | [diff] [blame] | 1895 | DCHECK(IsActiveTransaction()); |
Sebastien Hertz | bd9cf9f | 2015-03-03 12:16:13 +0100 | [diff] [blame] | 1896 | // Throwing an exception may cause its class initialization. If we mark the transaction |
| 1897 | // aborted before that, we may warn with a false alarm. Throwing the exception before |
| 1898 | // marking the transaction aborted avoids that. |
Sebastien Hertz | b81e1cd | 2015-04-28 12:31:41 +0200 | [diff] [blame] | 1899 | preinitialization_transaction_->ThrowAbortError(self, &abort_message); |
Sebastien Hertz | 1c80bec | 2015-02-03 11:58:06 +0100 | [diff] [blame] | 1900 | preinitialization_transaction_->Abort(abort_message); |
Sebastien Hertz | 1c80bec | 2015-02-03 11:58:06 +0100 | [diff] [blame] | 1901 | } |
| 1902 | |
Sebastien Hertz | 2fd7e69 | 2015-04-02 11:11:19 +0200 | [diff] [blame] | 1903 | void Runtime::ThrowTransactionAbortError(Thread* self) { |
Mathieu Chartier | 184c9dc | 2015-03-05 13:20:54 -0800 | [diff] [blame] | 1904 | DCHECK(IsAotCompiler()); |
Sebastien Hertz | 1c80bec | 2015-02-03 11:58:06 +0100 | [diff] [blame] | 1905 | DCHECK(IsActiveTransaction()); |
Sebastien Hertz | b81e1cd | 2015-04-28 12:31:41 +0200 | [diff] [blame] | 1906 | // Passing nullptr means we rethrow an exception with the earlier transaction abort message. |
| 1907 | preinitialization_transaction_->ThrowAbortError(self, nullptr); |
Sebastien Hertz | 1c80bec | 2015-02-03 11:58:06 +0100 | [diff] [blame] | 1908 | } |
| 1909 | |
Igor Murashkin | b1d8c31 | 2015-08-04 11:18:43 -0700 | [diff] [blame] | 1910 | void Runtime::RecordWriteFieldBoolean(mirror::Object* obj, MemberOffset field_offset, |
| 1911 | uint8_t value, bool is_volatile) const { |
Mathieu Chartier | 184c9dc | 2015-03-05 13:20:54 -0800 | [diff] [blame] | 1912 | DCHECK(IsAotCompiler()); |
Fred Shih | 37f05ef | 2014-07-16 18:38:08 -0700 | [diff] [blame] | 1913 | DCHECK(IsActiveTransaction()); |
| 1914 | preinitialization_transaction_->RecordWriteFieldBoolean(obj, field_offset, value, is_volatile); |
| 1915 | } |
| 1916 | |
Igor Murashkin | b1d8c31 | 2015-08-04 11:18:43 -0700 | [diff] [blame] | 1917 | void Runtime::RecordWriteFieldByte(mirror::Object* obj, MemberOffset field_offset, |
| 1918 | int8_t value, bool is_volatile) const { |
Mathieu Chartier | 184c9dc | 2015-03-05 13:20:54 -0800 | [diff] [blame] | 1919 | DCHECK(IsAotCompiler()); |
Fred Shih | 37f05ef | 2014-07-16 18:38:08 -0700 | [diff] [blame] | 1920 | DCHECK(IsActiveTransaction()); |
| 1921 | preinitialization_transaction_->RecordWriteFieldByte(obj, field_offset, value, is_volatile); |
| 1922 | } |
| 1923 | |
Igor Murashkin | b1d8c31 | 2015-08-04 11:18:43 -0700 | [diff] [blame] | 1924 | void Runtime::RecordWriteFieldChar(mirror::Object* obj, MemberOffset field_offset, |
| 1925 | uint16_t value, bool is_volatile) const { |
Mathieu Chartier | 184c9dc | 2015-03-05 13:20:54 -0800 | [diff] [blame] | 1926 | DCHECK(IsAotCompiler()); |
Fred Shih | 37f05ef | 2014-07-16 18:38:08 -0700 | [diff] [blame] | 1927 | DCHECK(IsActiveTransaction()); |
| 1928 | preinitialization_transaction_->RecordWriteFieldChar(obj, field_offset, value, is_volatile); |
| 1929 | } |
| 1930 | |
Igor Murashkin | b1d8c31 | 2015-08-04 11:18:43 -0700 | [diff] [blame] | 1931 | void Runtime::RecordWriteFieldShort(mirror::Object* obj, MemberOffset field_offset, |
| 1932 | int16_t value, bool is_volatile) const { |
Mathieu Chartier | 184c9dc | 2015-03-05 13:20:54 -0800 | [diff] [blame] | 1933 | DCHECK(IsAotCompiler()); |
Fred Shih | 37f05ef | 2014-07-16 18:38:08 -0700 | [diff] [blame] | 1934 | DCHECK(IsActiveTransaction()); |
| 1935 | preinitialization_transaction_->RecordWriteFieldShort(obj, field_offset, value, is_volatile); |
| 1936 | } |
| 1937 | |
Igor Murashkin | b1d8c31 | 2015-08-04 11:18:43 -0700 | [diff] [blame] | 1938 | void Runtime::RecordWriteField32(mirror::Object* obj, MemberOffset field_offset, |
| 1939 | uint32_t value, bool is_volatile) const { |
Mathieu Chartier | e5f13e5 | 2015-02-24 09:37:21 -0800 | [diff] [blame] | 1940 | DCHECK(IsAotCompiler()); |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 1941 | DCHECK(IsActiveTransaction()); |
Sebastien Hertz | ee1d79a | 2014-02-21 15:46:30 +0100 | [diff] [blame] | 1942 | preinitialization_transaction_->RecordWriteField32(obj, field_offset, value, is_volatile); |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 1943 | } |
| 1944 | |
Igor Murashkin | b1d8c31 | 2015-08-04 11:18:43 -0700 | [diff] [blame] | 1945 | void Runtime::RecordWriteField64(mirror::Object* obj, MemberOffset field_offset, |
| 1946 | uint64_t value, bool is_volatile) const { |
Mathieu Chartier | e5f13e5 | 2015-02-24 09:37:21 -0800 | [diff] [blame] | 1947 | DCHECK(IsAotCompiler()); |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 1948 | DCHECK(IsActiveTransaction()); |
Sebastien Hertz | ee1d79a | 2014-02-21 15:46:30 +0100 | [diff] [blame] | 1949 | preinitialization_transaction_->RecordWriteField64(obj, field_offset, value, is_volatile); |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 1950 | } |
| 1951 | |
Mathieu Chartier | a058fdf | 2016-10-06 15:13:58 -0700 | [diff] [blame] | 1952 | void Runtime::RecordWriteFieldReference(mirror::Object* obj, |
| 1953 | MemberOffset field_offset, |
| 1954 | ObjPtr<mirror::Object> value, |
| 1955 | bool is_volatile) const { |
Mathieu Chartier | e5f13e5 | 2015-02-24 09:37:21 -0800 | [diff] [blame] | 1956 | DCHECK(IsAotCompiler()); |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 1957 | DCHECK(IsActiveTransaction()); |
Mathieu Chartier | a058fdf | 2016-10-06 15:13:58 -0700 | [diff] [blame] | 1958 | preinitialization_transaction_->RecordWriteFieldReference(obj, |
| 1959 | field_offset, |
| 1960 | value.Ptr(), |
| 1961 | is_volatile); |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 1962 | } |
| 1963 | |
| 1964 | void Runtime::RecordWriteArray(mirror::Array* array, size_t index, uint64_t value) const { |
Mathieu Chartier | e5f13e5 | 2015-02-24 09:37:21 -0800 | [diff] [blame] | 1965 | DCHECK(IsAotCompiler()); |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 1966 | DCHECK(IsActiveTransaction()); |
Sebastien Hertz | ee1d79a | 2014-02-21 15:46:30 +0100 | [diff] [blame] | 1967 | preinitialization_transaction_->RecordWriteArray(array, index, value); |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 1968 | } |
| 1969 | |
Mathieu Chartier | 9e86809 | 2016-10-31 14:58:04 -0700 | [diff] [blame] | 1970 | void Runtime::RecordStrongStringInsertion(ObjPtr<mirror::String> s) const { |
Mathieu Chartier | e5f13e5 | 2015-02-24 09:37:21 -0800 | [diff] [blame] | 1971 | DCHECK(IsAotCompiler()); |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 1972 | DCHECK(IsActiveTransaction()); |
Mathieu Chartier | cdfd39f | 2014-08-29 18:16:58 -0700 | [diff] [blame] | 1973 | preinitialization_transaction_->RecordStrongStringInsertion(s); |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 1974 | } |
| 1975 | |
Mathieu Chartier | 9e86809 | 2016-10-31 14:58:04 -0700 | [diff] [blame] | 1976 | void Runtime::RecordWeakStringInsertion(ObjPtr<mirror::String> s) const { |
Mathieu Chartier | e5f13e5 | 2015-02-24 09:37:21 -0800 | [diff] [blame] | 1977 | DCHECK(IsAotCompiler()); |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 1978 | DCHECK(IsActiveTransaction()); |
Mathieu Chartier | cdfd39f | 2014-08-29 18:16:58 -0700 | [diff] [blame] | 1979 | preinitialization_transaction_->RecordWeakStringInsertion(s); |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 1980 | } |
| 1981 | |
Mathieu Chartier | 9e86809 | 2016-10-31 14:58:04 -0700 | [diff] [blame] | 1982 | void Runtime::RecordStrongStringRemoval(ObjPtr<mirror::String> s) const { |
Mathieu Chartier | e5f13e5 | 2015-02-24 09:37:21 -0800 | [diff] [blame] | 1983 | DCHECK(IsAotCompiler()); |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 1984 | DCHECK(IsActiveTransaction()); |
Mathieu Chartier | cdfd39f | 2014-08-29 18:16:58 -0700 | [diff] [blame] | 1985 | preinitialization_transaction_->RecordStrongStringRemoval(s); |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 1986 | } |
| 1987 | |
Mathieu Chartier | 9e86809 | 2016-10-31 14:58:04 -0700 | [diff] [blame] | 1988 | void Runtime::RecordWeakStringRemoval(ObjPtr<mirror::String> s) const { |
Mathieu Chartier | e5f13e5 | 2015-02-24 09:37:21 -0800 | [diff] [blame] | 1989 | DCHECK(IsAotCompiler()); |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 1990 | DCHECK(IsActiveTransaction()); |
Mathieu Chartier | cdfd39f | 2014-08-29 18:16:58 -0700 | [diff] [blame] | 1991 | preinitialization_transaction_->RecordWeakStringRemoval(s); |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 1992 | } |
Mathieu Chartier | 15d3402 | 2014-02-26 17:16:38 -0800 | [diff] [blame] | 1993 | |
Mathieu Chartier | 9e86809 | 2016-10-31 14:58:04 -0700 | [diff] [blame] | 1994 | void Runtime::RecordResolveString(ObjPtr<mirror::DexCache> dex_cache, uint32_t string_idx) const { |
Mathieu Chartier | bb816d6 | 2016-09-07 10:17:46 -0700 | [diff] [blame] | 1995 | DCHECK(IsAotCompiler()); |
| 1996 | DCHECK(IsActiveTransaction()); |
| 1997 | preinitialization_transaction_->RecordResolveString(dex_cache, string_idx); |
| 1998 | } |
| 1999 | |
Mathieu Chartier | 15d3402 | 2014-02-26 17:16:38 -0800 | [diff] [blame] | 2000 | void Runtime::SetFaultMessage(const std::string& message) { |
| 2001 | MutexLock mu(Thread::Current(), fault_message_lock_); |
| 2002 | fault_message_ = message; |
| 2003 | } |
Brian Carlstrom | 491ca9e | 2014-03-02 18:24:38 -0800 | [diff] [blame] | 2004 | |
Igor Murashkin | b1d8c31 | 2015-08-04 11:18:43 -0700 | [diff] [blame] | 2005 | void Runtime::AddCurrentRuntimeFeaturesAsDex2OatArguments(std::vector<std::string>* argv) |
Ian Rogers | 8afeb85 | 2014-04-02 14:55:49 -0700 | [diff] [blame] | 2006 | const { |
Nicolas Geoffray | c6b1b93 | 2016-03-22 09:52:40 +0000 | [diff] [blame] | 2007 | if (GetInstrumentation()->InterpretOnly()) { |
Ian Rogers | 9bc5440 | 2014-04-17 16:40:01 -0700 | [diff] [blame] | 2008 | argv->push_back("--compiler-filter=interpret-only"); |
| 2009 | } |
| 2010 | |
Ian Rogers | 8afeb85 | 2014-04-02 14:55:49 -0700 | [diff] [blame] | 2011 | // Make the dex2oat instruction set match that of the launching runtime. If we have multiple |
| 2012 | // architecture support, dex2oat may be compiled as a different instruction-set than that |
| 2013 | // currently being executed. |
Ian Rogers | b9beb2e | 2014-05-09 16:57:40 -0700 | [diff] [blame] | 2014 | std::string instruction_set("--instruction-set="); |
| 2015 | instruction_set += GetInstructionSetString(kRuntimeISA); |
| 2016 | argv->push_back(instruction_set); |
Ian Rogers | 8afeb85 | 2014-04-02 14:55:49 -0700 | [diff] [blame] | 2017 | |
Ian Rogers | 6f3dbba | 2014-10-14 17:41:57 -0700 | [diff] [blame] | 2018 | std::unique_ptr<const InstructionSetFeatures> features(InstructionSetFeatures::FromCppDefines()); |
| 2019 | std::string feature_string("--instruction-set-features="); |
| 2020 | feature_string += features->GetFeatureString(); |
| 2021 | argv->push_back(feature_string); |
Ian Rogers | 8afeb85 | 2014-04-02 14:55:49 -0700 | [diff] [blame] | 2022 | } |
| 2023 | |
Mathieu Chartier | e5f13e5 | 2015-02-24 09:37:21 -0800 | [diff] [blame] | 2024 | void Runtime::CreateJit() { |
Mathieu Chartier | 455f67c | 2015-03-17 13:48:29 -0700 | [diff] [blame] | 2025 | CHECK(!IsAotCompiler()); |
Calin Juravle | af36e49 | 2016-04-27 18:50:45 +0100 | [diff] [blame] | 2026 | if (kIsDebugBuild && GetInstrumentation()->IsForcedInterpretOnly()) { |
| 2027 | DCHECK(!jit_options_->UseJitCompilation()); |
Hiroshi Yamauchi | 02d2f29 | 2015-04-03 13:35:16 -0700 | [diff] [blame] | 2028 | } |
Mathieu Chartier | e5f13e5 | 2015-02-24 09:37:21 -0800 | [diff] [blame] | 2029 | std::string error_msg; |
| 2030 | jit_.reset(jit::Jit::Create(jit_options_.get(), &error_msg)); |
Nicolas Geoffray | 274fe4a | 2016-04-12 16:33:24 +0100 | [diff] [blame] | 2031 | if (jit_.get() == nullptr) { |
Mathieu Chartier | e5f13e5 | 2015-02-24 09:37:21 -0800 | [diff] [blame] | 2032 | LOG(WARNING) << "Failed to create JIT " << error_msg; |
| 2033 | } |
| 2034 | } |
| 2035 | |
Andreas Gampe | 4585f87 | 2015-03-27 23:45:15 -0700 | [diff] [blame] | 2036 | bool Runtime::CanRelocate() const { |
| 2037 | return !IsAotCompiler() || compiler_callbacks_->IsRelocationPossible(); |
| 2038 | } |
| 2039 | |
| 2040 | bool Runtime::IsCompilingBootImage() const { |
| 2041 | return IsCompiler() && compiler_callbacks_->IsBootImage(); |
| 2042 | } |
| 2043 | |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 2044 | void Runtime::SetResolutionMethod(ArtMethod* method) { |
| 2045 | CHECK(method != nullptr); |
| 2046 | CHECK(method->IsRuntimeMethod()) << method; |
| 2047 | resolution_method_ = method; |
| 2048 | } |
| 2049 | |
| 2050 | void Runtime::SetImtUnimplementedMethod(ArtMethod* method) { |
| 2051 | CHECK(method != nullptr); |
| 2052 | CHECK(method->IsRuntimeMethod()); |
| 2053 | imt_unimplemented_method_ = method; |
Mathieu Chartier | 91288d8 | 2016-04-28 09:44:54 -0700 | [diff] [blame] | 2054 | } |
| 2055 | |
| 2056 | void Runtime::FixupConflictTables() { |
| 2057 | // We can only do this after the class linker is created. |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 2058 | const PointerSize pointer_size = GetClassLinker()->GetImagePointerSize(); |
Mathieu Chartier | 91288d8 | 2016-04-28 09:44:54 -0700 | [diff] [blame] | 2059 | if (imt_unimplemented_method_->GetImtConflictTable(pointer_size) == nullptr) { |
| 2060 | imt_unimplemented_method_->SetImtConflictTable( |
| 2061 | ClassLinker::CreateImtConflictTable(/*count*/0u, GetLinearAlloc(), pointer_size), |
| 2062 | pointer_size); |
| 2063 | } |
| 2064 | if (imt_conflict_method_->GetImtConflictTable(pointer_size) == nullptr) { |
| 2065 | imt_conflict_method_->SetImtConflictTable( |
| 2066 | ClassLinker::CreateImtConflictTable(/*count*/0u, GetLinearAlloc(), pointer_size), |
| 2067 | pointer_size); |
Nicolas Geoffray | 40c68c6 | 2016-03-23 16:35:51 +0000 | [diff] [blame] | 2068 | } |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 2069 | } |
| 2070 | |
Igor Murashkin | 7617abd | 2015-07-10 18:27:47 -0700 | [diff] [blame] | 2071 | bool Runtime::IsVerificationEnabled() const { |
Igor Murashkin | df707e4 | 2016-02-02 16:56:50 -0800 | [diff] [blame] | 2072 | return verify_ == verifier::VerifyMode::kEnable || |
| 2073 | verify_ == verifier::VerifyMode::kSoftFail; |
Igor Murashkin | 7617abd | 2015-07-10 18:27:47 -0700 | [diff] [blame] | 2074 | } |
| 2075 | |
| 2076 | bool Runtime::IsVerificationSoftFail() const { |
| 2077 | return verify_ == verifier::VerifyMode::kSoftFail; |
| 2078 | } |
| 2079 | |
Mingyao Yang | f711f2c | 2016-05-23 12:29:39 -0700 | [diff] [blame] | 2080 | bool Runtime::IsDeoptimizeable(uintptr_t code) const |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 2081 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Mingyao Yang | f711f2c | 2016-05-23 12:29:39 -0700 | [diff] [blame] | 2082 | return !heap_->IsInBootImageOatFile(reinterpret_cast<void *>(code)); |
| 2083 | } |
| 2084 | |
Mathieu Chartier | 951ec2c | 2015-09-22 08:50:05 -0700 | [diff] [blame] | 2085 | LinearAlloc* Runtime::CreateLinearAlloc() { |
Mathieu Chartier | c3fcd41 | 2015-09-25 16:54:59 -0700 | [diff] [blame] | 2086 | // For 64 bit compilers, it needs to be in low 4GB in the case where we are cross compiling for a |
| 2087 | // 32 bit target. In this case, we have 32 bit pointers in the dex cache arrays which can't hold |
| 2088 | // when we have 64 bit ArtMethod pointers. |
Mathieu Chartier | 017ed0b | 2015-09-22 11:04:26 -0700 | [diff] [blame] | 2089 | return (IsAotCompiler() && Is64BitInstructionSet(kRuntimeISA)) |
Mathieu Chartier | 951ec2c | 2015-09-22 08:50:05 -0700 | [diff] [blame] | 2090 | ? new LinearAlloc(low_4gb_arena_pool_.get()) |
| 2091 | : new LinearAlloc(arena_pool_.get()); |
| 2092 | } |
| 2093 | |
Mathieu Chartier | 32cc9ee | 2015-10-15 09:19:15 -0700 | [diff] [blame] | 2094 | double Runtime::GetHashTableMinLoadFactor() const { |
| 2095 | return is_low_memory_mode_ ? kLowMemoryMinLoadFactor : kNormalMinLoadFactor; |
| 2096 | } |
| 2097 | |
| 2098 | double Runtime::GetHashTableMaxLoadFactor() const { |
| 2099 | return is_low_memory_mode_ ? kLowMemoryMaxLoadFactor : kNormalMaxLoadFactor; |
| 2100 | } |
| 2101 | |
Mathieu Chartier | f8cb178 | 2016-03-18 18:45:41 -0700 | [diff] [blame] | 2102 | void Runtime::UpdateProcessState(ProcessState process_state) { |
| 2103 | ProcessState old_process_state = process_state_; |
| 2104 | process_state_ = process_state; |
| 2105 | GetHeap()->UpdateProcessState(old_process_state, process_state); |
| 2106 | } |
| 2107 | |
Calin Juravle | 97cbc92 | 2016-04-15 16:16:35 +0100 | [diff] [blame] | 2108 | void Runtime::RegisterSensitiveThread() const { |
| 2109 | Thread::SetJitSensitiveThread(); |
| 2110 | } |
| 2111 | |
Calin Juravle | ffc8707 | 2016-04-20 14:22:09 +0100 | [diff] [blame] | 2112 | // Returns true if JIT compilations are enabled. GetJit() will be not null in this case. |
| 2113 | bool Runtime::UseJitCompilation() const { |
| 2114 | return (jit_ != nullptr) && jit_->UseJitCompilation(); |
| 2115 | } |
| 2116 | |
David Sehr | d106d9f | 2016-08-16 19:22:57 -0700 | [diff] [blame] | 2117 | void Runtime::EnvSnapshot::TakeSnapshot() { |
| 2118 | char** env = GetEnviron(); |
| 2119 | for (size_t i = 0; env[i] != nullptr; ++i) { |
| 2120 | name_value_pairs_.emplace_back(new std::string(env[i])); |
| 2121 | } |
| 2122 | // The strings in name_value_pairs_ retain ownership of the c_str, but we assign pointers |
| 2123 | // for quick use by GetSnapshot. This avoids allocation and copying cost at Exec. |
| 2124 | c_env_vector_.reset(new char*[name_value_pairs_.size() + 1]); |
| 2125 | for (size_t i = 0; env[i] != nullptr; ++i) { |
| 2126 | c_env_vector_[i] = const_cast<char*>(name_value_pairs_[i]->c_str()); |
| 2127 | } |
| 2128 | c_env_vector_[name_value_pairs_.size()] = nullptr; |
| 2129 | } |
| 2130 | |
| 2131 | char** Runtime::EnvSnapshot::GetSnapshot() const { |
| 2132 | return c_env_vector_.get(); |
| 2133 | } |
| 2134 | |
Andreas Gampe | fda5714 | 2016-09-08 20:29:18 -0700 | [diff] [blame] | 2135 | void Runtime::AddSystemWeakHolder(gc::AbstractSystemWeakHolder* holder) { |
| 2136 | gc::ScopedGCCriticalSection gcs(Thread::Current(), |
| 2137 | gc::kGcCauseAddRemoveSystemWeakHolder, |
| 2138 | gc::kCollectorTypeAddRemoveSystemWeakHolder); |
| 2139 | system_weak_holders_.push_back(holder); |
| 2140 | } |
| 2141 | |
| 2142 | void Runtime::RemoveSystemWeakHolder(gc::AbstractSystemWeakHolder* holder) { |
| 2143 | gc::ScopedGCCriticalSection gcs(Thread::Current(), |
| 2144 | gc::kGcCauseAddRemoveSystemWeakHolder, |
| 2145 | gc::kCollectorTypeAddRemoveSystemWeakHolder); |
| 2146 | auto it = std::find(system_weak_holders_.begin(), system_weak_holders_.end(), holder); |
| 2147 | if (it != system_weak_holders_.end()) { |
| 2148 | system_weak_holders_.erase(it); |
| 2149 | } |
| 2150 | } |
| 2151 | |
David Sehr | f57589f | 2016-10-17 10:09:33 -0700 | [diff] [blame] | 2152 | NO_RETURN |
| 2153 | void Runtime::Aborter(const char* abort_message) { |
| 2154 | #ifdef __ANDROID__ |
| 2155 | android_set_abort_message(abort_message); |
| 2156 | #endif |
| 2157 | Runtime::Abort(abort_message); |
| 2158 | } |
| 2159 | |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 2160 | } // namespace art |