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 | |
Andreas Gampe | 8cf9cb3 | 2017-07-19 09:28:38 -0700 | [diff] [blame] | 26 | #include <fcntl.h> |
Brian Carlstrom | dbf05b7 | 2011-12-15 00:55:24 -0800 | [diff] [blame] | 27 | #include <signal.h> |
Elliott Hughes | d06a6c7 | 2012-05-30 17:59:06 -0700 | [diff] [blame] | 28 | #include <sys/syscall.h> |
Andreas Gampe | 8cf9cb3 | 2017-07-19 09:28:38 -0700 | [diff] [blame] | 29 | |
David Sehr | d106d9f | 2016-08-16 19:22:57 -0700 | [diff] [blame] | 30 | #if defined(__APPLE__) |
| 31 | #include <crt_externs.h> // for _NSGetEnviron |
| 32 | #endif |
Brian Carlstrom | dbf05b7 | 2011-12-15 00:55:24 -0800 | [diff] [blame] | 33 | |
Elliott Hughes | ffe6736 | 2011-07-17 12:09:27 -0700 | [diff] [blame] | 34 | #include <cstdio> |
| 35 | #include <cstdlib> |
Brian Carlstrom | 8a43659 | 2011-08-15 21:27:23 -0700 | [diff] [blame] | 36 | #include <limits> |
Carl Shapiro | 2ed144c | 2011-07-26 16:52:08 -0700 | [diff] [blame] | 37 | #include <vector> |
Elliott Hughes | ffe6736 | 2011-07-17 12:09:27 -0700 | [diff] [blame] | 38 | |
Andreas Gampe | 9186ced | 2016-12-12 14:28:21 -0800 | [diff] [blame] | 39 | #include "android-base/strings.h" |
| 40 | |
Chang Xing | 605fe24 | 2017-07-20 15:57:21 -0700 | [diff] [blame] | 41 | #include "aot_class_linker.h" |
Ian Rogers | 166db04 | 2013-07-26 12:05:57 -0700 | [diff] [blame] | 42 | #include "arch/arm/registers_arm.h" |
Stuart Monteith | b95a534 | 2014-03-12 13:32:32 +0000 | [diff] [blame] | 43 | #include "arch/arm64/registers_arm64.h" |
Ian Rogers | d582fa4 | 2014-11-05 23:46:43 -0800 | [diff] [blame] | 44 | #include "arch/instruction_set_features.h" |
Ian Rogers | 166db04 | 2013-07-26 12:05:57 -0700 | [diff] [blame] | 45 | #include "arch/mips/registers_mips.h" |
Andreas Gampe | 57b3429 | 2015-01-14 15:45:59 -0800 | [diff] [blame] | 46 | #include "arch/mips64/registers_mips64.h" |
Ian Rogers | 166db04 | 2013-07-26 12:05:57 -0700 | [diff] [blame] | 47 | #include "arch/x86/registers_x86.h" |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 48 | #include "arch/x86_64/registers_x86_64.h" |
Mathieu Chartier | c785344 | 2015-03-27 14:35:38 -0700 | [diff] [blame] | 49 | #include "art_field-inl.h" |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 50 | #include "art_method-inl.h" |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 51 | #include "asm_support.h" |
Andreas Gampe | 39b378c | 2017-12-07 15:44:13 -0800 | [diff] [blame] | 52 | #include "base/aborting.h" |
Andreas Gampe | 4585f87 | 2015-03-27 23:45:15 -0700 | [diff] [blame] | 53 | #include "base/arena_allocator.h" |
David Sehr | c431b9d | 2018-03-02 12:01:51 -0800 | [diff] [blame] | 54 | #include "base/atomic.h" |
Ian Rogers | c7dd295 | 2014-10-21 23:31:19 -0700 | [diff] [blame] | 55 | #include "base/dumpable.h" |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 56 | #include "base/enums.h" |
David Sehr | 891a50e | 2017-10-27 17:01:07 -0700 | [diff] [blame] | 57 | #include "base/file_utils.h" |
David Sehr | 3215fff | 2018-04-03 17:10:12 -0700 | [diff] [blame] | 58 | #include "base/malloc_arena_pool.h" |
| 59 | #include "base/mem_map_arena_pool.h" |
Andreas Gampe | 8cf9cb3 | 2017-07-19 09:28:38 -0700 | [diff] [blame] | 60 | #include "base/memory_tool.h" |
David Sehr | c431b9d | 2018-03-02 12:01:51 -0800 | [diff] [blame] | 61 | #include "base/mutex.h" |
| 62 | #include "base/os.h" |
| 63 | #include "base/quasi_atomic.h" |
Vladimir Marko | 637ee0b | 2015-09-04 12:47:41 +0100 | [diff] [blame] | 64 | #include "base/stl_util.h" |
Mathieu Chartier | 32ce2ad | 2016-03-04 14:58:03 -0800 | [diff] [blame] | 65 | #include "base/systrace.h" |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 66 | #include "base/unix_file/fd_file.h" |
David Sehr | c431b9d | 2018-03-02 12:01:51 -0800 | [diff] [blame] | 67 | #include "base/utils.h" |
Vladimir Marko | 3481ba2 | 2015-04-13 12:22:36 +0100 | [diff] [blame] | 68 | #include "class_linker-inl.h" |
Vladimir Marko | 679730e | 2018-05-25 15:06:48 +0100 | [diff] [blame] | 69 | #include "class_root.h" |
Andreas Gampe | 4585f87 | 2015-03-27 23:45:15 -0700 | [diff] [blame] | 70 | #include "compiler_callbacks.h" |
Elliott Hughes | 3bb8156 | 2011-10-21 18:52:59 -0700 | [diff] [blame] | 71 | #include "debugger.h" |
David Sehr | 013fd80 | 2018-01-11 22:55:24 -0800 | [diff] [blame] | 72 | #include "dex/art_dex_file_loader.h" |
David Sehr | 9e734c7 | 2018-01-04 17:56:19 -0800 | [diff] [blame] | 73 | #include "dex/dex_file_loader.h" |
Alex Light | 84d7605 | 2014-08-22 17:49:35 -0700 | [diff] [blame] | 74 | #include "elf_file.h" |
Ian Rogers | 6f3dbba | 2014-10-14 17:41:57 -0700 | [diff] [blame] | 75 | #include "entrypoints/runtime_asm_entrypoints.h" |
Alex Light | eb7c144 | 2015-08-31 13:17:42 -0700 | [diff] [blame] | 76 | #include "experimental_flags.h" |
Ian Rogers | 576ca0c | 2014-06-06 15:58:22 -0700 | [diff] [blame] | 77 | #include "fault_handler.h" |
Ian Rogers | 1d54e73 | 2013-05-02 21:10:01 -0700 | [diff] [blame] | 78 | #include "gc/accounting/card_table-inl.h" |
| 79 | #include "gc/heap.h" |
Andreas Gampe | fda5714 | 2016-09-08 20:29:18 -0700 | [diff] [blame] | 80 | #include "gc/scoped_gc_critical_section.h" |
Ian Rogers | e63db27 | 2014-07-15 15:36:11 -0700 | [diff] [blame] | 81 | #include "gc/space/image_space.h" |
Mathieu Chartier | 461687d | 2015-03-31 12:05:24 -0700 | [diff] [blame] | 82 | #include "gc/space/space-inl.h" |
Andreas Gampe | fda5714 | 2016-09-08 20:29:18 -0700 | [diff] [blame] | 83 | #include "gc/system_weak.h" |
Brian Carlstrom | 02c5f4d | 2015-01-30 10:18:03 -0800 | [diff] [blame] | 84 | #include "handle_scope-inl.h" |
Andreas Gampe | aa12001 | 2018-03-28 16:23:24 -0700 | [diff] [blame] | 85 | #include "hidden_api.h" |
Mathieu Chartier | 4a26f17 | 2016-01-26 14:26:18 -0800 | [diff] [blame] | 86 | #include "image-inl.h" |
jeffhao | 725a957 | 2012-11-13 18:20:12 -0800 | [diff] [blame] | 87 | #include "instrumentation.h" |
Mathieu Chartier | 74ccee6 | 2018-10-10 10:30:29 -0700 | [diff] [blame] | 88 | #include "intern_table-inl.h" |
Mathieu Chartier | e5f13e5 | 2015-02-24 09:37:21 -0800 | [diff] [blame] | 89 | #include "interpreter/interpreter.h" |
| 90 | #include "jit/jit.h" |
Nicolas Geoffray | 132d836 | 2016-11-16 09:19:42 +0000 | [diff] [blame] | 91 | #include "jit/jit_code_cache.h" |
Steven Moreland | e431e27 | 2017-07-18 16:53:49 -0700 | [diff] [blame] | 92 | #include "jit/profile_saver.h" |
Vladimir Marko | a3ad0cd | 2018-05-04 10:06:38 +0100 | [diff] [blame] | 93 | #include "jni/java_vm_ext.h" |
| 94 | #include "jni/jni_internal.h" |
Mathieu Chartier | c785344 | 2015-03-27 14:35:38 -0700 | [diff] [blame] | 95 | #include "linear_alloc.h" |
Andreas Gampe | 8cf9cb3 | 2017-07-19 09:28:38 -0700 | [diff] [blame] | 96 | #include "memory_representation.h" |
Brian Carlstrom | 02c5f4d | 2015-01-30 10:18:03 -0800 | [diff] [blame] | 97 | #include "mirror/array.h" |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 98 | #include "mirror/class-inl.h" |
Alex Light | cec2fd4 | 2016-11-02 16:32:07 -0700 | [diff] [blame] | 99 | #include "mirror/class_ext.h" |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 100 | #include "mirror/class_loader.h" |
Narayan Kamath | 000e188 | 2016-10-24 17:14:25 +0100 | [diff] [blame] | 101 | #include "mirror/emulated_stack_frame.h" |
Mathieu Chartier | daaf326 | 2015-03-24 13:30:28 -0700 | [diff] [blame] | 102 | #include "mirror/field.h" |
Mathieu Chartier | fc58af4 | 2015-04-16 18:00:39 -0700 | [diff] [blame] | 103 | #include "mirror/method.h" |
Narayan Kamath | afa4827 | 2016-08-03 12:46:58 +0100 | [diff] [blame] | 104 | #include "mirror/method_handle_impl.h" |
Orion Hodson | c069a30 | 2017-01-18 09:23:12 +0000 | [diff] [blame] | 105 | #include "mirror/method_handles_lookup.h" |
Narayan Kamath | afa4827 | 2016-08-03 12:46:58 +0100 | [diff] [blame] | 106 | #include "mirror/method_type.h" |
Mathieu Chartier | c528dba | 2013-11-26 12:00:11 -0800 | [diff] [blame] | 107 | #include "mirror/stack_trace_element.h" |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 108 | #include "mirror/throwable.h" |
Orion Hodson | 928033d | 2018-02-07 05:30:54 +0000 | [diff] [blame] | 109 | #include "mirror/var_handle.h" |
Elliott Hughes | 32d6e1e | 2011-10-11 14:47:44 -0700 | [diff] [blame] | 110 | #include "monitor.h" |
Andreas Gampe | 277ccbd | 2014-11-03 21:36:10 -0800 | [diff] [blame] | 111 | #include "native/dalvik_system_DexFile.h" |
| 112 | #include "native/dalvik_system_VMDebug.h" |
| 113 | #include "native/dalvik_system_VMRuntime.h" |
| 114 | #include "native/dalvik_system_VMStack.h" |
| 115 | #include "native/dalvik_system_ZygoteHooks.h" |
| 116 | #include "native/java_lang_Class.h" |
Andreas Gampe | 277ccbd | 2014-11-03 21:36:10 -0800 | [diff] [blame] | 117 | #include "native/java_lang_Object.h" |
Andreas Gampe | 277ccbd | 2014-11-03 21:36:10 -0800 | [diff] [blame] | 118 | #include "native/java_lang_String.h" |
Jeff Hao | 848f70a | 2014-01-15 13:49:50 -0800 | [diff] [blame] | 119 | #include "native/java_lang_StringFactory.h" |
Andreas Gampe | 277ccbd | 2014-11-03 21:36:10 -0800 | [diff] [blame] | 120 | #include "native/java_lang_System.h" |
| 121 | #include "native/java_lang_Thread.h" |
| 122 | #include "native/java_lang_Throwable.h" |
| 123 | #include "native/java_lang_VMClassLoader.h" |
Narayan Kamath | bd2fed5 | 2017-01-25 10:46:54 +0000 | [diff] [blame] | 124 | #include "native/java_lang_invoke_MethodHandleImpl.h" |
Brian Carlstrom | 02c5f4d | 2015-01-30 10:18:03 -0800 | [diff] [blame] | 125 | #include "native/java_lang_ref_FinalizerReference.h" |
| 126 | #include "native/java_lang_ref_Reference.h" |
| 127 | #include "native/java_lang_reflect_Array.h" |
| 128 | #include "native/java_lang_reflect_Constructor.h" |
Neil Fuller | 0e84439 | 2016-09-08 13:43:31 +0100 | [diff] [blame] | 129 | #include "native/java_lang_reflect_Executable.h" |
Brian Carlstrom | 02c5f4d | 2015-01-30 10:18:03 -0800 | [diff] [blame] | 130 | #include "native/java_lang_reflect_Field.h" |
| 131 | #include "native/java_lang_reflect_Method.h" |
Neil Fuller | 60458a0 | 2016-09-01 15:32:44 +0100 | [diff] [blame] | 132 | #include "native/java_lang_reflect_Parameter.h" |
Brian Carlstrom | 02c5f4d | 2015-01-30 10:18:03 -0800 | [diff] [blame] | 133 | #include "native/java_lang_reflect_Proxy.h" |
Andreas Gampe | 277ccbd | 2014-11-03 21:36:10 -0800 | [diff] [blame] | 134 | #include "native/java_util_concurrent_atomic_AtomicLong.h" |
Jeff Hao | 848f70a | 2014-01-15 13:49:50 -0800 | [diff] [blame] | 135 | #include "native/libcore_util_CharsetUtils.h" |
Andreas Gampe | 277ccbd | 2014-11-03 21:36:10 -0800 | [diff] [blame] | 136 | #include "native/org_apache_harmony_dalvik_ddmc_DdmServer.h" |
| 137 | #include "native/org_apache_harmony_dalvik_ddmc_DdmVmInternal.h" |
| 138 | #include "native/sun_misc_Unsafe.h" |
Brian Carlstrom | 02c5f4d | 2015-01-30 10:18:03 -0800 | [diff] [blame] | 139 | #include "native_bridge_art_interface.h" |
Andreas Gampe | 5dd44d0 | 2016-08-02 17:20:03 -0700 | [diff] [blame] | 140 | #include "native_stack_dump.h" |
Andreas Gampe | 373a9b5 | 2017-10-18 09:01:57 -0700 | [diff] [blame] | 141 | #include "nativehelper/scoped_local_ref.h" |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 142 | #include "oat_file.h" |
Mathieu Chartier | f9c6fc6 | 2015-10-07 11:44:05 -0700 | [diff] [blame] | 143 | #include "oat_file_manager.h" |
Andreas Gampe | d482e73 | 2017-04-24 17:59:09 -0700 | [diff] [blame] | 144 | #include "object_callbacks.h" |
Brian Carlstrom | 02c5f4d | 2015-01-30 10:18:03 -0800 | [diff] [blame] | 145 | #include "parsed_options.h" |
Vladimir Marko | 7624d25 | 2014-05-02 14:40:15 +0100 | [diff] [blame] | 146 | #include "quick/quick_method_frame_info.h" |
Ian Rogers | 53b8b09 | 2014-03-13 23:45:53 -0700 | [diff] [blame] | 147 | #include "reflection.h" |
Andreas Gampe | ac30fa2 | 2017-01-18 21:02:36 -0800 | [diff] [blame] | 148 | #include "runtime_callbacks.h" |
Orion Hodson | 26ef34c | 2017-11-01 13:32:41 +0000 | [diff] [blame] | 149 | #include "runtime_intrinsics.h" |
Igor Murashkin | aaebaa0 | 2015-01-26 10:55:53 -0800 | [diff] [blame] | 150 | #include "runtime_options.h" |
Mathieu Chartier | 0795f23 | 2016-09-27 18:43:30 -0700 | [diff] [blame] | 151 | #include "scoped_thread_state_change-inl.h" |
Dave Allison | cefcea8 | 2014-09-16 10:01:01 -0700 | [diff] [blame] | 152 | #include "sigchain.h" |
Elliott Hughes | e27955c | 2011-08-26 15:21:24 -0700 | [diff] [blame] | 153 | #include "signal_catcher.h" |
Elliott Hughes | 457005c | 2012-04-16 13:54:25 -0700 | [diff] [blame] | 154 | #include "signal_set.h" |
Brian Carlstrom | 578bbdc | 2011-07-21 14:07:47 -0700 | [diff] [blame] | 155 | #include "thread.h" |
Elliott Hughes | 8daa092 | 2011-09-11 13:46:25 -0700 | [diff] [blame] | 156 | #include "thread_list.h" |
Alex Light | 7233c7e | 2016-07-28 10:07:45 -0700 | [diff] [blame] | 157 | #include "ti/agent.h" |
jeffhao | b5e8185 | 2012-03-12 11:15:45 -0700 | [diff] [blame] | 158 | #include "trace.h" |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 159 | #include "transaction.h" |
Vladimir Marko | 97d7e1c | 2016-10-04 14:44:28 +0100 | [diff] [blame] | 160 | #include "vdex_file.h" |
Ian Rogers | 776ac1f | 2012-04-13 23:36:36 -0700 | [diff] [blame] | 161 | #include "verifier/method_verifier.h" |
Elliott Hughes | eac7667 | 2012-05-24 21:56:51 -0700 | [diff] [blame] | 162 | #include "well_known_classes.h" |
Carl Shapiro | 61e019d | 2011-07-14 16:53:09 -0700 | [diff] [blame] | 163 | |
David Sehr | f57589f | 2016-10-17 10:09:33 -0700 | [diff] [blame] | 164 | #ifdef ART_TARGET_ANDROID |
| 165 | #include <android/set_abort_message.h> |
| 166 | #endif |
| 167 | |
David Srbecky | 50b4743 | 2018-10-18 12:26:34 +0100 | [diff] [blame] | 168 | // Static asserts to check the values of generated assembly-support macros. |
| 169 | #define ASM_DEFINE(NAME, EXPR) static_assert((NAME) == (EXPR), "Unexpected value of " #NAME); |
| 170 | #include "asm_defines.def" |
| 171 | #undef ASM_DEFINE |
| 172 | |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 173 | namespace art { |
| 174 | |
Ian Rogers | 6f3dbba | 2014-10-14 17:41:57 -0700 | [diff] [blame] | 175 | // 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] | 176 | static constexpr bool kEnableJavaStackTraceHandler = false; |
Mathieu Chartier | 32cc9ee | 2015-10-15 09:19:15 -0700 | [diff] [blame] | 177 | // Tuned by compiling GmsCore under perf and measuring time spent in DescriptorEquals for class |
| 178 | // linking. |
| 179 | static constexpr double kLowMemoryMinLoadFactor = 0.5; |
| 180 | static constexpr double kLowMemoryMaxLoadFactor = 0.8; |
| 181 | static constexpr double kNormalMinLoadFactor = 0.4; |
| 182 | static constexpr double kNormalMaxLoadFactor = 0.7; |
Mathieu Chartier | 11c273d | 2017-10-15 20:54:45 -0700 | [diff] [blame] | 183 | |
| 184 | // Extra added to the default heap growth multiplier. Used to adjust the GC ergonomics for the read |
| 185 | // barrier config. |
| 186 | static constexpr double kExtraDefaultHeapGrowthMultiplier = kUseReadBarrier ? 1.0 : 0.0; |
| 187 | |
Ian Rogers | 6f3dbba | 2014-10-14 17:41:57 -0700 | [diff] [blame] | 188 | Runtime* Runtime::instance_ = nullptr; |
Carl Shapiro | 2ed144c | 2011-07-26 16:52:08 -0700 | [diff] [blame] | 189 | |
Andreas Gampe | f6a780a | 2015-04-02 18:51:05 -0700 | [diff] [blame] | 190 | struct TraceConfig { |
| 191 | Trace::TraceMode trace_mode; |
| 192 | Trace::TraceOutputMode trace_output_mode; |
| 193 | std::string trace_file; |
| 194 | size_t trace_file_size; |
| 195 | }; |
| 196 | |
David Sehr | d106d9f | 2016-08-16 19:22:57 -0700 | [diff] [blame] | 197 | namespace { |
| 198 | #ifdef __APPLE__ |
| 199 | inline char** GetEnviron() { |
| 200 | // When Google Test is built as a framework on MacOS X, the environ variable |
| 201 | // is unavailable. Apple's documentation (man environ) recommends using |
| 202 | // _NSGetEnviron() instead. |
| 203 | return *_NSGetEnviron(); |
| 204 | } |
| 205 | #else |
| 206 | // Some POSIX platforms expect you to declare environ. extern "C" makes |
| 207 | // it reside in the global namespace. |
| 208 | extern "C" char** environ; |
| 209 | inline char** GetEnviron() { return environ; } |
| 210 | #endif |
| 211 | } // namespace |
| 212 | |
Elliott Hughes | dcc2474 | 2011-09-07 14:02:44 -0700 | [diff] [blame] | 213 | Runtime::Runtime() |
Mathieu Chartier | 3100080 | 2015-06-14 14:14:37 -0700 | [diff] [blame] | 214 | : resolution_method_(nullptr), |
| 215 | imt_conflict_method_(nullptr), |
| 216 | imt_unimplemented_method_(nullptr), |
Vladimir Marko | 33bff25 | 2017-11-01 14:35:42 +0000 | [diff] [blame] | 217 | instruction_set_(InstructionSet::kNone), |
Ian Rogers | 6ed19fd | 2014-03-20 08:10:17 -0700 | [diff] [blame] | 218 | compiler_callbacks_(nullptr), |
Elliott Hughes | d9c67be | 2012-02-02 19:54:06 -0800 | [diff] [blame] | 219 | is_zygote_(false), |
Alex Light | a59dd80 | 2014-07-02 16:28:08 -0700 | [diff] [blame] | 220 | must_relocate_(false), |
Mathieu Chartier | 069387a | 2012-06-18 12:01:01 -0700 | [diff] [blame] | 221 | is_concurrent_gc_enabled_(true), |
Anwar Ghuloum | 8718359 | 2013-08-14 12:12:19 -0700 | [diff] [blame] | 222 | is_explicit_gc_disabled_(false), |
Alex Light | 64ad14d | 2014-08-19 14:23:13 -0700 | [diff] [blame] | 223 | image_dex2oat_enabled_(true), |
Elliott Hughes | 6cf2388 | 2012-06-15 15:42:07 -0700 | [diff] [blame] | 224 | default_stack_size_(0), |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 225 | heap_(nullptr), |
Ian Rogers | d9c4fc9 | 2013-10-01 19:45:43 -0700 | [diff] [blame] | 226 | max_spins_before_thin_lock_inflation_(Monitor::kDefaultMaxSpinsBeforeThinLockInflation), |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 227 | monitor_list_(nullptr), |
| 228 | monitor_pool_(nullptr), |
| 229 | thread_list_(nullptr), |
| 230 | intern_table_(nullptr), |
| 231 | class_linker_(nullptr), |
| 232 | signal_catcher_(nullptr), |
| 233 | java_vm_(nullptr), |
Mathieu Chartier | 15d3402 | 2014-02-26 17:16:38 -0800 | [diff] [blame] | 234 | fault_message_lock_("Fault message lock"), |
| 235 | fault_message_(""), |
Ian Rogers | 120f1c7 | 2012-09-28 17:17:10 -0700 | [diff] [blame] | 236 | threads_being_born_(0), |
Ian Rogers | c604d73 | 2012-10-14 16:09:54 -0700 | [diff] [blame] | 237 | shutdown_cond_(new ConditionVariable("Runtime shutdown", *Locks::runtime_shutdown_lock_)), |
Elliott Hughes | 6b35575 | 2012-01-13 16:49:08 -0800 | [diff] [blame] | 238 | shutting_down_(false), |
Ian Rogers | 120f1c7 | 2012-09-28 17:17:10 -0700 | [diff] [blame] | 239 | shutting_down_started_(false), |
Elliott Hughes | dcc2474 | 2011-09-07 14:02:44 -0700 | [diff] [blame] | 240 | started_(false), |
Mathieu Chartier | 7664f5c | 2012-06-08 18:15:32 -0700 | [diff] [blame] | 241 | finished_starting_(false), |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 242 | vfprintf_(nullptr), |
| 243 | exit_(nullptr), |
| 244 | abort_(nullptr), |
jeffhao | 2692b57 | 2011-12-16 15:42:28 -0800 | [diff] [blame] | 245 | stats_enabled_(false), |
Roland Levillain | 05e34f4 | 2018-05-24 13:19:05 +0000 | [diff] [blame] | 246 | is_running_on_memory_tool_(kRunningOnMemoryTool), |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 247 | instrumentation_(), |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 248 | main_thread_group_(nullptr), |
| 249 | system_thread_group_(nullptr), |
| 250 | system_class_loader_(nullptr), |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 251 | dump_gc_performance_on_shutdown_(false), |
Chang Xing | 605fe24 | 2017-07-20 15:57:21 -0700 | [diff] [blame] | 252 | preinitialization_transactions_(), |
Igor Murashkin | 7617abd | 2015-07-10 18:27:47 -0700 | [diff] [blame] | 253 | verify_(verifier::VerifyMode::kNone), |
Jean Christophe Beyler | 24e04aa | 2014-09-12 12:03:25 -0700 | [diff] [blame] | 254 | allow_dex_file_fallback_(true), |
David Brazdil | a7db026 | 2018-01-16 17:13:35 +0000 | [diff] [blame] | 255 | target_sdk_version_(kUnsetSdkVersion), |
Dave Allison | 69dfe51 | 2014-07-11 17:11:58 +0000 | [diff] [blame] | 256 | implicit_null_checks_(false), |
| 257 | implicit_so_checks_(false), |
Calin Juravle | 07d83c7 | 2014-10-22 21:02:23 +0100 | [diff] [blame] | 258 | implicit_suspend_checks_(false), |
Calin Juravle | 01aaf6e | 2015-06-19 22:05:39 +0100 | [diff] [blame] | 259 | no_sig_chain_(false), |
Andreas Gampe | f38a661 | 2016-04-11 08:42:26 -0700 | [diff] [blame] | 260 | force_native_bridge_(false), |
Narayan Kamath | 5a2be3f | 2015-02-16 13:51:51 +0000 | [diff] [blame] | 261 | is_native_bridge_loaded_(false), |
David Srbecky | f448016 | 2016-03-16 00:06:24 +0000 | [diff] [blame] | 262 | is_native_debuggable_(false), |
Alex Light | 7919db9 | 2017-11-29 09:00:55 -0800 | [diff] [blame] | 263 | async_exceptions_thrown_(false), |
Alex Light | 0aa7a5a | 2018-10-10 15:58:14 +0000 | [diff] [blame] | 264 | non_standard_exits_enabled_(false), |
Nicolas Geoffray | 433b79a | 2017-01-30 20:54:45 +0000 | [diff] [blame] | 265 | is_java_debuggable_(false), |
Igor Murashkin | 158f35c | 2015-06-10 15:55:30 -0700 | [diff] [blame] | 266 | zygote_max_failed_boots_(0), |
Mathieu Chartier | 32cc9ee | 2015-10-15 09:19:15 -0700 | [diff] [blame] | 267 | experimental_flags_(ExperimentalFlags::kNone), |
| 268 | oat_file_manager_(nullptr), |
Nicolas Geoffray | 787ae8e | 2015-11-05 11:32:24 +0000 | [diff] [blame] | 269 | is_low_memory_mode_(false), |
Andreas Gampe | a1425a1 | 2016-03-11 17:44:04 -0800 | [diff] [blame] | 270 | safe_mode_(false), |
Mathew Inwood | 597d7f6 | 2018-03-22 11:36:47 +0000 | [diff] [blame] | 271 | hidden_api_policy_(hiddenapi::EnforcementPolicy::kNoChecks), |
David Brazdil | ee7d2fd | 2018-01-20 17:25:23 +0000 | [diff] [blame] | 272 | pending_hidden_api_warning_(false), |
| 273 | dedupe_hidden_api_warnings_(true), |
David Brazdil | 9226522 | 2018-02-02 11:21:40 +0000 | [diff] [blame] | 274 | always_set_hidden_api_warning_flag_(false), |
Mathew Inwood | 1fd97f2 | 2018-04-03 15:32:32 +0100 | [diff] [blame] | 275 | hidden_api_access_event_log_rate_(0), |
Nicolas Geoffray | 6ee4971 | 2018-03-30 14:39:05 +0000 | [diff] [blame] | 276 | dump_native_stack_on_sig_quit_(true), |
Mathieu Chartier | f8cb178 | 2016-03-18 18:45:41 -0700 | [diff] [blame] | 277 | pruned_dalvik_cache_(false), |
| 278 | // 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] | 279 | process_state_(kProcessStateJankPerceptible), |
Andreas Gampe | 0b0ffc1 | 2018-08-01 14:41:27 -0700 | [diff] [blame] | 280 | zygote_no_threads_(false), |
| 281 | verifier_logging_threshold_ms_(100) { |
Andreas Gampe | 8228cdf | 2017-05-30 15:03:54 -0700 | [diff] [blame] | 282 | static_assert(Runtime::kCalleeSaveSize == |
| 283 | static_cast<uint32_t>(CalleeSaveType::kLastCalleeSaveType), "Unexpected size"); |
| 284 | |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 285 | std::fill(callee_save_methods_, callee_save_methods_ + arraysize(callee_save_methods_), 0u); |
buzbee | 1452bee | 2015-03-06 14:43:04 -0800 | [diff] [blame] | 286 | interpreter::CheckInterpreterAsmConstants(); |
Andreas Gampe | ac30fa2 | 2017-01-18 21:02:36 -0800 | [diff] [blame] | 287 | callbacks_.reset(new RuntimeCallbacks()); |
Nicolas Geoffray | 4e92c3c | 2017-05-08 09:34:26 +0100 | [diff] [blame] | 288 | for (size_t i = 0; i <= static_cast<size_t>(DeoptimizationKind::kLast); ++i) { |
| 289 | deoptimization_counts_[i] = 0u; |
| 290 | } |
Elliott Hughes | dcc2474 | 2011-09-07 14:02:44 -0700 | [diff] [blame] | 291 | } |
| 292 | |
Carl Shapiro | 61e019d | 2011-07-14 16:53:09 -0700 | [diff] [blame] | 293 | Runtime::~Runtime() { |
Mathieu Chartier | 32ce2ad | 2016-03-04 14:58:03 -0800 | [diff] [blame] | 294 | ScopedTrace trace("Runtime shutdown"); |
Calin Juravle | 07d83c7 | 2014-10-22 21:02:23 +0100 | [diff] [blame] | 295 | if (is_native_bridge_loaded_) { |
| 296 | UnloadNativeBridge(); |
| 297 | } |
Calin Juravle | 31f2c15 | 2015-10-23 17:56:15 +0100 | [diff] [blame] | 298 | |
Ian Rogers | 120f1c7 | 2012-09-28 17:17:10 -0700 | [diff] [blame] | 299 | Thread* self = Thread::Current(); |
Mathieu Chartier | 05d1461 | 2015-02-23 15:31:58 -0800 | [diff] [blame] | 300 | const bool attach_shutdown_thread = self == nullptr; |
| 301 | if (attach_shutdown_thread) { |
Alex Light | b6f3464 | 2018-01-04 11:01:48 -0800 | [diff] [blame] | 302 | // We can only create a peer if the runtime is actually started. This is only not true during |
Alex Light | e44ee0c | 2018-01-08 10:26:17 -0800 | [diff] [blame] | 303 | // some tests. If there is extreme memory pressure the allocation of the thread peer can fail. |
| 304 | // In this case we will just try again without allocating a peer so that shutdown can continue. |
| 305 | // Very few things are actually capable of distinguishing between the peer & peerless states so |
| 306 | // this should be fine. |
| 307 | bool thread_attached = AttachCurrentThread("Shutdown thread", |
Andreas Gampe | 98ea9d9 | 2018-10-19 14:06:15 -0700 | [diff] [blame] | 308 | /* as_daemon= */ false, |
Alex Light | e44ee0c | 2018-01-08 10:26:17 -0800 | [diff] [blame] | 309 | GetSystemThreadGroup(), |
Andreas Gampe | 98ea9d9 | 2018-10-19 14:06:15 -0700 | [diff] [blame] | 310 | /* create_peer= */ IsStarted()); |
Alex Light | e44ee0c | 2018-01-08 10:26:17 -0800 | [diff] [blame] | 311 | if (UNLIKELY(!thread_attached)) { |
| 312 | LOG(WARNING) << "Failed to attach shutdown thread. Trying again without a peer."; |
| 313 | CHECK(AttachCurrentThread("Shutdown thread (no java peer)", |
Andreas Gampe | 98ea9d9 | 2018-10-19 14:06:15 -0700 | [diff] [blame] | 314 | /* as_daemon= */ false, |
| 315 | /* thread_group=*/ nullptr, |
| 316 | /* create_peer= */ false)); |
Alex Light | e44ee0c | 2018-01-08 10:26:17 -0800 | [diff] [blame] | 317 | } |
Mathieu Chartier | cef50f0 | 2014-12-09 17:38:52 -0800 | [diff] [blame] | 318 | self = Thread::Current(); |
| 319 | } else { |
| 320 | LOG(WARNING) << "Current thread not detached in Runtime shutdown"; |
| 321 | } |
| 322 | |
Mathieu Chartier | 1d49501 | 2017-04-11 17:50:00 -0700 | [diff] [blame] | 323 | if (dump_gc_performance_on_shutdown_) { |
Mathieu Chartier | b0042b8 | 2017-12-13 13:50:36 -0800 | [diff] [blame] | 324 | ScopedLogSeverity sls(LogSeverity::INFO); |
Mathieu Chartier | 1d49501 | 2017-04-11 17:50:00 -0700 | [diff] [blame] | 325 | // This can't be called from the Heap destructor below because it |
| 326 | // could call RosAlloc::InspectAll() which needs the thread_list |
| 327 | // to be still alive. |
| 328 | heap_->DumpGcPerformanceInfo(LOG_STREAM(INFO)); |
| 329 | } |
| 330 | |
Calin Juravle | a345d31 | 2017-03-14 18:45:55 -0700 | [diff] [blame] | 331 | if (jit_ != nullptr) { |
| 332 | // Stop the profile saver thread before marking the runtime as shutting down. |
| 333 | // The saver will try to dump the profiles before being sopped and that |
| 334 | // requires holding the mutator lock. |
| 335 | jit_->StopProfileSaver(); |
| 336 | } |
| 337 | |
Ian Rogers | 120f1c7 | 2012-09-28 17:17:10 -0700 | [diff] [blame] | 338 | { |
Mathieu Chartier | 32ce2ad | 2016-03-04 14:58:03 -0800 | [diff] [blame] | 339 | ScopedTrace trace2("Wait for shutdown cond"); |
Ian Rogers | 120f1c7 | 2012-09-28 17:17:10 -0700 | [diff] [blame] | 340 | MutexLock mu(self, *Locks::runtime_shutdown_lock_); |
| 341 | shutting_down_started_ = true; |
| 342 | while (threads_being_born_ > 0) { |
Ian Rogers | c604d73 | 2012-10-14 16:09:54 -0700 | [diff] [blame] | 343 | shutdown_cond_->Wait(self); |
Ian Rogers | 120f1c7 | 2012-09-28 17:17:10 -0700 | [diff] [blame] | 344 | } |
| 345 | shutting_down_ = true; |
| 346 | } |
Mathieu Chartier | cef50f0 | 2014-12-09 17:38:52 -0800 | [diff] [blame] | 347 | // Shutdown and wait for the daemons. |
| 348 | CHECK(self != nullptr); |
| 349 | if (IsFinishedStarting()) { |
Mathieu Chartier | 32ce2ad | 2016-03-04 14:58:03 -0800 | [diff] [blame] | 350 | ScopedTrace trace2("Waiting for Daemons"); |
Mathieu Chartier | cef50f0 | 2014-12-09 17:38:52 -0800 | [diff] [blame] | 351 | self->ClearException(); |
| 352 | self->GetJniEnv()->CallStaticVoidMethod(WellKnownClasses::java_lang_Daemons, |
| 353 | WellKnownClasses::java_lang_Daemons_stop); |
| 354 | } |
Mathieu Chartier | 673ed3d | 2015-08-28 14:56:43 -0700 | [diff] [blame] | 355 | |
| 356 | Trace::Shutdown(); |
| 357 | |
Andreas Gampe | 4886411 | 2017-01-19 17:23:17 -0800 | [diff] [blame] | 358 | // Report death. Clients me require a working thread, still, so do it before GC completes and |
| 359 | // all non-daemon threads are done. |
| 360 | { |
| 361 | ScopedObjectAccess soa(self); |
| 362 | callbacks_->NextRuntimePhase(RuntimePhaseCallback::RuntimePhase::kDeath); |
| 363 | } |
| 364 | |
Mathieu Chartier | 05d1461 | 2015-02-23 15:31:58 -0800 | [diff] [blame] | 365 | if (attach_shutdown_thread) { |
| 366 | DetachCurrentThread(); |
| 367 | self = nullptr; |
| 368 | } |
Mathieu Chartier | cef50f0 | 2014-12-09 17:38:52 -0800 | [diff] [blame] | 369 | |
Mathieu Chartier | a639903 | 2012-06-11 18:49:50 -0700 | [diff] [blame] | 370 | // Make sure to let the GC complete if it is running. |
Mathieu Chartier | 89a201e | 2014-05-02 10:27:26 -0700 | [diff] [blame] | 371 | heap_->WaitForGcToComplete(gc::kGcCauseBackground, self); |
Mathieu Chartier | 35883cc | 2012-11-13 14:08:12 -0800 | [diff] [blame] | 372 | heap_->DeleteThreadPool(); |
Mathieu Chartier | fb6db4c | 2016-01-06 17:23:25 -0800 | [diff] [blame] | 373 | if (jit_ != nullptr) { |
Mathieu Chartier | 32ce2ad | 2016-03-04 14:58:03 -0800 | [diff] [blame] | 374 | ScopedTrace trace2("Delete jit"); |
Mathieu Chartier | e5f13e5 | 2015-02-24 09:37:21 -0800 | [diff] [blame] | 375 | VLOG(jit) << "Deleting jit thread pool"; |
| 376 | // Delete thread pool before the thread list since we don't want to wait forever on the |
| 377 | // JIT compiler threads. |
| 378 | jit_->DeleteThreadPool(); |
| 379 | } |
Mathieu Chartier | a639903 | 2012-06-11 18:49:50 -0700 | [diff] [blame] | 380 | |
Andreas Gampe | c4bed16 | 2017-05-01 13:46:24 -0700 | [diff] [blame] | 381 | // Make sure our internal threads are dead before we start tearing down things they're using. |
Alex Light | 4032071 | 2017-12-14 11:52:04 -0800 | [diff] [blame] | 382 | GetRuntimeCallbacks()->StopDebugger(); |
Andreas Gampe | c4bed16 | 2017-05-01 13:46:24 -0700 | [diff] [blame] | 383 | delete signal_catcher_; |
| 384 | |
| 385 | // Make sure all other non-daemon threads have terminated, and all daemon threads are suspended. |
| 386 | { |
| 387 | ScopedTrace trace2("Delete thread list"); |
| 388 | thread_list_->ShutDown(); |
| 389 | } |
| 390 | |
Alex Light | 7233c7e | 2016-07-28 10:07:45 -0700 | [diff] [blame] | 391 | // TODO Maybe do some locking. |
| 392 | for (auto& agent : agents_) { |
Andreas Gampe | aadcbc6 | 2017-12-28 14:05:42 -0800 | [diff] [blame] | 393 | agent->Unload(); |
Alex Light | 7233c7e | 2016-07-28 10:07:45 -0700 | [diff] [blame] | 394 | } |
| 395 | |
Alex Light | 185d134 | 2016-08-11 10:48:03 -0700 | [diff] [blame] | 396 | // TODO Maybe do some locking |
| 397 | for (auto& plugin : plugins_) { |
| 398 | plugin.Unload(); |
| 399 | } |
| 400 | |
Andreas Gampe | c4bed16 | 2017-05-01 13:46:24 -0700 | [diff] [blame] | 401 | // Finally delete the thread list. |
| 402 | delete thread_list_; |
Elliott Hughes | 5fe594f | 2011-09-08 12:33:17 -0700 | [diff] [blame] | 403 | |
Mathieu Chartier | e5f13e5 | 2015-02-24 09:37:21 -0800 | [diff] [blame] | 404 | // Delete the JIT after thread list to ensure that there is no remaining threads which could be |
| 405 | // accessing the instrumentation when we delete it. |
Mathieu Chartier | fb6db4c | 2016-01-06 17:23:25 -0800 | [diff] [blame] | 406 | if (jit_ != nullptr) { |
Mathieu Chartier | e5f13e5 | 2015-02-24 09:37:21 -0800 | [diff] [blame] | 407 | VLOG(jit) << "Deleting jit"; |
| 408 | jit_.reset(nullptr); |
| 409 | } |
| 410 | |
Vladimir Marko | 2beeb82 | 2014-10-20 18:13:22 +0100 | [diff] [blame] | 411 | // Shutdown the fault manager if it was initialized. |
| 412 | fault_manager.Shutdown(); |
| 413 | |
Mathieu Chartier | 32ce2ad | 2016-03-04 14:58:03 -0800 | [diff] [blame] | 414 | ScopedTrace trace2("Delete state"); |
Elliott Hughes | c33a32b | 2011-10-11 18:18:07 -0700 | [diff] [blame] | 415 | delete monitor_list_; |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 416 | delete monitor_pool_; |
Carl Shapiro | 61e019d | 2011-07-14 16:53:09 -0700 | [diff] [blame] | 417 | delete class_linker_; |
Elliott Hughes | b3bd5f0 | 2012-03-08 21:05:27 -0800 | [diff] [blame] | 418 | delete heap_; |
Elliott Hughes | cf4c6c4 | 2011-09-01 15:16:42 -0700 | [diff] [blame] | 419 | delete intern_table_; |
Mathieu Chartier | e58991b | 2015-10-13 07:59:34 -0700 | [diff] [blame] | 420 | delete oat_file_manager_; |
Elliott Hughes | c1674ed | 2011-08-25 18:09:09 -0700 | [diff] [blame] | 421 | Thread::Shutdown(); |
Elliott Hughes | 7c6169d | 2012-05-02 16:11:48 -0700 | [diff] [blame] | 422 | QuasiAtomic::Shutdown(); |
Sebastien Hertz | 4d4adb1 | 2013-07-24 16:14:19 +0200 | [diff] [blame] | 423 | verifier::MethodVerifier::Shutdown(); |
Vladimir Marko | 37cf51f | 2015-09-22 11:43:46 +0100 | [diff] [blame] | 424 | |
| 425 | // Destroy allocators before shutting down the MemMap because they may use it. |
Richard Uhler | da0a69e | 2016-10-11 15:06:38 +0100 | [diff] [blame] | 426 | java_vm_.reset(); |
Vladimir Marko | 37cf51f | 2015-09-22 11:43:46 +0100 | [diff] [blame] | 427 | linear_alloc_.reset(); |
| 428 | low_4gb_arena_pool_.reset(); |
| 429 | arena_pool_.reset(); |
Nicolas Geoffray | 25e0456 | 2016-03-01 13:17:58 +0000 | [diff] [blame] | 430 | jit_arena_pool_.reset(); |
Vladimir Marko | c34bebf | 2018-08-16 16:12:49 +0100 | [diff] [blame] | 431 | protected_fault_page_.Reset(); |
Mathieu Chartier | 6e88ef6 | 2014-10-14 15:01:24 -0700 | [diff] [blame] | 432 | MemMap::Shutdown(); |
Vladimir Marko | 37cf51f | 2015-09-22 11:43:46 +0100 | [diff] [blame] | 433 | |
Carl Shapiro | 4acf464 | 2011-07-26 18:54:13 -0700 | [diff] [blame] | 434 | // TODO: acquire a static mutex on Runtime to avoid racing. |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 435 | CHECK(instance_ == nullptr || instance_ == this); |
| 436 | instance_ = nullptr; |
Andreas Gampe | db48a79 | 2017-09-08 22:18:30 -0700 | [diff] [blame] | 437 | |
| 438 | // Well-known classes must be deleted or it is impossible to successfully start another Runtime |
| 439 | // instance. We rely on a small initialization order issue in Runtime::Start() that requires |
| 440 | // elements of WellKnownClasses to be null, see b/65500943. |
| 441 | WellKnownClasses::Clear(); |
Carl Shapiro | 61e019d | 2011-07-14 16:53:09 -0700 | [diff] [blame] | 442 | } |
| 443 | |
Elliott Hughes | e091855 | 2011-10-28 17:18:29 -0700 | [diff] [blame] | 444 | struct AbortState { |
Ian Rogers | c7dd295 | 2014-10-21 23:31:19 -0700 | [diff] [blame] | 445 | void Dump(std::ostream& os) const { |
Nicolas Geoffray | db97871 | 2014-12-09 13:33:38 +0000 | [diff] [blame] | 446 | if (gAborting > 1) { |
| 447 | os << "Runtime aborting --- recursively, so no thread-specific detail!\n"; |
Andreas Gampe | 9fd470f | 2016-11-18 17:21:12 -0800 | [diff] [blame] | 448 | DumpRecursiveAbort(os); |
Nicolas Geoffray | db97871 | 2014-12-09 13:33:38 +0000 | [diff] [blame] | 449 | return; |
| 450 | } |
| 451 | gAborting++; |
Elliott Hughes | e091855 | 2011-10-28 17:18:29 -0700 | [diff] [blame] | 452 | os << "Runtime aborting...\n"; |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 453 | if (Runtime::Current() == nullptr) { |
Elliott Hughes | 6c7d244 | 2012-02-01 18:40:47 -0800 | [diff] [blame] | 454 | os << "(Runtime does not yet exist!)\n"; |
Andreas Gampe | 6eb6a39 | 2016-02-10 20:18:37 -0800 | [diff] [blame] | 455 | DumpNativeStack(os, GetTid(), nullptr, " native: ", nullptr); |
Elliott Hughes | 6c7d244 | 2012-02-01 18:40:47 -0800 | [diff] [blame] | 456 | return; |
| 457 | } |
Elliott Hughes | e091855 | 2011-10-28 17:18:29 -0700 | [diff] [blame] | 458 | Thread* self = Thread::Current(); |
Andreas Gampe | a3f78fe | 2017-09-05 09:31:04 -0700 | [diff] [blame] | 459 | |
| 460 | // Dump all threads first and then the aborting thread. While this is counter the logical flow, |
| 461 | // it improves the chance of relevant data surviving in the Android logs. |
| 462 | |
| 463 | DumpAllThreads(os, self); |
| 464 | |
Mathieu Chartier | c7a966d | 2014-04-10 18:06:32 -0700 | [diff] [blame] | 465 | if (self == nullptr) { |
Elliott Hughes | e091855 | 2011-10-28 17:18:29 -0700 | [diff] [blame] | 466 | os << "(Aborting thread was not attached to runtime!)\n"; |
Igor Murashkin | b1d8c31 | 2015-08-04 11:18:43 -0700 | [diff] [blame] | 467 | DumpKernelStack(os, GetTid(), " kernel: ", false); |
Christopher Ferris | 6cff48f | 2014-01-26 21:36:13 -0800 | [diff] [blame] | 468 | DumpNativeStack(os, GetTid(), nullptr, " native: ", nullptr); |
Elliott Hughes | e091855 | 2011-10-28 17:18:29 -0700 | [diff] [blame] | 469 | } else { |
Ian Rogers | 2f7f9b6 | 2012-10-10 18:24:05 -0700 | [diff] [blame] | 470 | os << "Aborting thread:\n"; |
Mathieu Chartier | c7a966d | 2014-04-10 18:06:32 -0700 | [diff] [blame] | 471 | if (Locks::mutator_lock_->IsExclusiveHeld(self) || Locks::mutator_lock_->IsSharedHeld(self)) { |
| 472 | DumpThread(os, self); |
| 473 | } else { |
| 474 | if (Locks::mutator_lock_->SharedTryLock(self)) { |
| 475 | DumpThread(os, self); |
| 476 | Locks::mutator_lock_->SharedUnlock(self); |
| 477 | } |
Elliott Hughes | 899e789 | 2012-01-24 14:57:32 -0800 | [diff] [blame] | 478 | } |
Elliott Hughes | e091855 | 2011-10-28 17:18:29 -0700 | [diff] [blame] | 479 | } |
Ian Rogers | 2f7f9b6 | 2012-10-10 18:24:05 -0700 | [diff] [blame] | 480 | } |
| 481 | |
Ian Rogers | 7b078e8 | 2014-09-10 14:44:24 -0700 | [diff] [blame] | 482 | // 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] | 483 | void DumpThread(std::ostream& os, Thread* self) const NO_THREAD_SAFETY_ANALYSIS { |
Ian Rogers | 7b078e8 | 2014-09-10 14:44:24 -0700 | [diff] [blame] | 484 | DCHECK(Locks::mutator_lock_->IsExclusiveHeld(self) || Locks::mutator_lock_->IsSharedHeld(self)); |
Mathieu Chartier | c7a966d | 2014-04-10 18:06:32 -0700 | [diff] [blame] | 485 | self->Dump(os); |
| 486 | if (self->IsExceptionPending()) { |
Nicolas Geoffray | 14691c5 | 2015-03-05 10:40:17 +0000 | [diff] [blame] | 487 | mirror::Throwable* exception = self->GetException(); |
| 488 | os << "Pending exception " << exception->Dump(); |
Mathieu Chartier | c7a966d | 2014-04-10 18:06:32 -0700 | [diff] [blame] | 489 | } |
| 490 | } |
| 491 | |
Ian Rogers | c7dd295 | 2014-10-21 23:31:19 -0700 | [diff] [blame] | 492 | void DumpAllThreads(std::ostream& os, Thread* self) const { |
Ian Rogers | 4e14e72 | 2014-06-27 17:32:56 -0700 | [diff] [blame] | 493 | Runtime* runtime = Runtime::Current(); |
| 494 | if (runtime != nullptr) { |
| 495 | ThreadList* thread_list = runtime->GetThreadList(); |
| 496 | if (thread_list != nullptr) { |
| 497 | bool tll_already_held = Locks::thread_list_lock_->IsExclusiveHeld(self); |
| 498 | bool ml_already_held = Locks::mutator_lock_->IsSharedHeld(self); |
| 499 | if (!tll_already_held || !ml_already_held) { |
| 500 | os << "Dumping all threads without appropriate locks held:" |
| 501 | << (!tll_already_held ? " thread list lock" : "") |
| 502 | << (!ml_already_held ? " mutator lock" : "") |
| 503 | << "\n"; |
| 504 | } |
| 505 | os << "All threads:\n"; |
Ian Rogers | 7b078e8 | 2014-09-10 14:44:24 -0700 | [diff] [blame] | 506 | thread_list->Dump(os); |
Ian Rogers | 4e14e72 | 2014-06-27 17:32:56 -0700 | [diff] [blame] | 507 | } |
Ian Rogers | 2f7f9b6 | 2012-10-10 18:24:05 -0700 | [diff] [blame] | 508 | } |
Elliott Hughes | e091855 | 2011-10-28 17:18:29 -0700 | [diff] [blame] | 509 | } |
Andreas Gampe | 7afa454 | 2016-11-18 09:51:06 -0800 | [diff] [blame] | 510 | |
| 511 | // For recursive aborts. |
| 512 | void DumpRecursiveAbort(std::ostream& os) const NO_THREAD_SAFETY_ANALYSIS { |
Andreas Gampe | 9fd470f | 2016-11-18 17:21:12 -0800 | [diff] [blame] | 513 | // The only thing we'll attempt is dumping the native stack of the current thread. We will only |
| 514 | // try this if we haven't exceeded an arbitrary amount of recursions, to recover and actually |
| 515 | // die. |
| 516 | // Note: as we're using a global counter for the recursive abort detection, there is a potential |
| 517 | // race here and it is not OK to just print when the counter is "2" (one from |
| 518 | // Runtime::Abort(), one from previous Dump() call). Use a number that seems large enough. |
| 519 | static constexpr size_t kOnlyPrintWhenRecursionLessThan = 100u; |
| 520 | if (gAborting < kOnlyPrintWhenRecursionLessThan) { |
| 521 | gAborting++; |
| 522 | DumpNativeStack(os, GetTid()); |
| 523 | } |
Andreas Gampe | 7afa454 | 2016-11-18 09:51:06 -0800 | [diff] [blame] | 524 | } |
Elliott Hughes | e091855 | 2011-10-28 17:18:29 -0700 | [diff] [blame] | 525 | }; |
| 526 | |
Andreas Gampe | 90a32b1 | 2016-10-03 19:47:08 -0700 | [diff] [blame] | 527 | void Runtime::Abort(const char* msg) { |
Andreas Gampe | 247fc33 | 2017-06-22 16:18:24 -0700 | [diff] [blame] | 528 | auto old_value = gAborting.fetch_add(1); // set before taking any locks |
Brian Carlstrom | 81b8871 | 2012-11-05 19:21:30 -0800 | [diff] [blame] | 529 | |
Andreas Gampe | 51d80cc | 2017-06-21 21:05:13 -0700 | [diff] [blame] | 530 | #ifdef ART_TARGET_ANDROID |
Andreas Gampe | 247fc33 | 2017-06-22 16:18:24 -0700 | [diff] [blame] | 531 | if (old_value == 0) { |
| 532 | // Only set the first abort message. |
| 533 | android_set_abort_message(msg); |
| 534 | } |
| 535 | #else |
| 536 | UNUSED(old_value); |
Andreas Gampe | 51d80cc | 2017-06-21 21:05:13 -0700 | [diff] [blame] | 537 | #endif |
| 538 | |
Andreas Gampe | 0ffbe5f | 2017-06-21 21:05:13 -0700 | [diff] [blame] | 539 | #ifdef ART_TARGET_ANDROID |
| 540 | android_set_abort_message(msg); |
| 541 | #endif |
| 542 | |
Elliott Hughes | 131aef8 | 2012-01-27 11:53:35 -0800 | [diff] [blame] | 543 | // Ensure that we don't have multiple threads trying to abort at once, |
| 544 | // which would result in significantly worse diagnostics. |
Ian Rogers | 50b35e2 | 2012-10-04 10:09:15 -0700 | [diff] [blame] | 545 | MutexLock mu(Thread::Current(), *Locks::abort_lock_); |
Elliott Hughes | 131aef8 | 2012-01-27 11:53:35 -0800 | [diff] [blame] | 546 | |
Elliott Hughes | ffe6736 | 2011-07-17 12:09:27 -0700 | [diff] [blame] | 547 | // Get any pending output out of the way. |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 548 | fflush(nullptr); |
Elliott Hughes | ffe6736 | 2011-07-17 12:09:27 -0700 | [diff] [blame] | 549 | |
| 550 | // Many people have difficulty distinguish aborts from crashes, |
| 551 | // so be explicit. |
Andreas Gampe | b67906b | 2016-11-18 09:30:08 -0800 | [diff] [blame] | 552 | // Note: use cerr on the host to print log lines immediately, so we get at least some output |
| 553 | // in case of recursive aborts. We lose annotation with the source file and line number |
| 554 | // here, which is a minor issue. The same is significantly more complicated on device, |
| 555 | // which is why we ignore the issue there. |
Elliott Hughes | e091855 | 2011-10-28 17:18:29 -0700 | [diff] [blame] | 556 | AbortState state; |
Andreas Gampe | b67906b | 2016-11-18 09:30:08 -0800 | [diff] [blame] | 557 | if (kIsTargetBuild) { |
| 558 | LOG(FATAL_WITHOUT_ABORT) << Dumpable<AbortState>(state); |
| 559 | } else { |
| 560 | std::cerr << Dumpable<AbortState>(state); |
| 561 | } |
Elliott Hughes | ffe6736 | 2011-07-17 12:09:27 -0700 | [diff] [blame] | 562 | |
Andreas Gampe | 90a32b1 | 2016-10-03 19:47:08 -0700 | [diff] [blame] | 563 | // Sometimes we dump long messages, and the Android abort message only retains the first line. |
| 564 | // In those cases, just log the message again, to avoid logcat limits. |
| 565 | if (msg != nullptr && strchr(msg, '\n') != nullptr) { |
| 566 | LOG(FATAL_WITHOUT_ABORT) << msg; |
| 567 | } |
| 568 | |
Elliott Hughes | 8593fdb | 2012-04-21 20:53:44 -0700 | [diff] [blame] | 569 | // Call the abort hook if we have one. |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 570 | if (Runtime::Current() != nullptr && Runtime::Current()->abort_ != nullptr) { |
Andreas Gampe | 3fec9ac | 2016-09-13 10:47:28 -0700 | [diff] [blame] | 571 | LOG(FATAL_WITHOUT_ABORT) << "Calling abort hook..."; |
Brian Carlstrom | 6ea095a | 2011-08-16 15:26:54 -0700 | [diff] [blame] | 572 | Runtime::Current()->abort_(); |
| 573 | // notreached |
Andreas Gampe | 3fec9ac | 2016-09-13 10:47:28 -0700 | [diff] [blame] | 574 | LOG(FATAL_WITHOUT_ABORT) << "Unexpectedly returned from abort hook!"; |
Brian Carlstrom | 6ea095a | 2011-08-16 15:26:54 -0700 | [diff] [blame] | 575 | } |
| 576 | |
Elliott Hughes | dd623db | 2013-06-11 11:20:23 -0700 | [diff] [blame] | 577 | abort(); |
Elliott Hughes | ffe6736 | 2011-07-17 12:09:27 -0700 | [diff] [blame] | 578 | // notreached |
| 579 | } |
| 580 | |
Narayan Kamath | 3de95a7 | 2014-04-02 12:54:23 +0100 | [diff] [blame] | 581 | void Runtime::PreZygoteFork() { |
Mathieu Chartier | cc236d7 | 2012-07-20 10:29:05 -0700 | [diff] [blame] | 582 | heap_->PreZygoteFork(); |
Mathieu Chartier | cc236d7 | 2012-07-20 10:29:05 -0700 | [diff] [blame] | 583 | } |
| 584 | |
Elliott Hughes | bf86d04 | 2011-08-31 17:53:14 -0700 | [diff] [blame] | 585 | void Runtime::CallExitHook(jint status) { |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 586 | if (exit_ != nullptr) { |
Elliott Hughes | 34e0696 | 2012-04-09 13:55:55 -0700 | [diff] [blame] | 587 | ScopedThreadStateChange tsc(Thread::Current(), kNative); |
Elliott Hughes | bf86d04 | 2011-08-31 17:53:14 -0700 | [diff] [blame] | 588 | exit_(status); |
| 589 | LOG(WARNING) << "Exit hook returned instead of exiting!"; |
| 590 | } |
| 591 | } |
| 592 | |
Mathieu Chartier | 9750995 | 2015-07-13 14:35:43 -0700 | [diff] [blame] | 593 | void Runtime::SweepSystemWeaks(IsMarkedVisitor* visitor) { |
| 594 | GetInternTable()->SweepInternTableWeaks(visitor); |
| 595 | GetMonitorList()->SweepMonitorList(visitor); |
| 596 | GetJavaVM()->SweepJniWeakGlobals(visitor); |
| 597 | GetHeap()->SweepAllocationRecords(visitor); |
Nicolas Geoffray | 132d836 | 2016-11-16 09:19:42 +0000 | [diff] [blame] | 598 | if (GetJit() != nullptr) { |
| 599 | // Visit JIT literal tables. Objects in these tables are classes and strings |
| 600 | // and only classes can be affected by class unloading. The strings always |
| 601 | // stay alive as they are strongly interned. |
| 602 | // TODO: Move this closer to CleanupClassLoaders, to avoid blocking weak accesses |
| 603 | // from mutators. See b/32167580. |
| 604 | GetJit()->GetCodeCache()->SweepRootTables(visitor); |
| 605 | } |
Andreas Gampe | fda5714 | 2016-09-08 20:29:18 -0700 | [diff] [blame] | 606 | |
| 607 | // All other generic system-weak holders. |
| 608 | for (gc::AbstractSystemWeakHolder* holder : system_weak_holders_) { |
| 609 | holder->Sweep(visitor); |
| 610 | } |
Mathieu Chartier | 6aa3df9 | 2013-09-17 15:17:28 -0700 | [diff] [blame] | 611 | } |
| 612 | |
Vladimir Marko | 88b2b80 | 2015-12-04 14:19:04 +0000 | [diff] [blame] | 613 | bool Runtime::ParseOptions(const RuntimeOptions& raw_options, |
| 614 | bool ignore_unrecognized, |
| 615 | RuntimeArgumentMap* runtime_options) { |
David Sehr | c431b9d | 2018-03-02 12:01:51 -0800 | [diff] [blame] | 616 | Locks::Init(); |
Andreas Gampe | 98ea9d9 | 2018-10-19 14:06:15 -0700 | [diff] [blame] | 617 | InitLogging(/* argv= */ nullptr, Abort); // Calls Locks::Init() as a side effect. |
Vladimir Marko | 88b2b80 | 2015-12-04 14:19:04 +0000 | [diff] [blame] | 618 | bool parsed = ParsedOptions::Parse(raw_options, ignore_unrecognized, runtime_options); |
| 619 | if (!parsed) { |
| 620 | LOG(ERROR) << "Failed to parse options"; |
| 621 | return false; |
| 622 | } |
| 623 | return true; |
| 624 | } |
| 625 | |
David Sehr | f42eb2c | 2016-10-19 13:20:45 -0700 | [diff] [blame] | 626 | // Callback to check whether it is safe to call Abort (e.g., to use a call to |
| 627 | // LOG(FATAL)). It is only safe to call Abort if the runtime has been created, |
| 628 | // properly initialized, and has not shut down. |
| 629 | static bool IsSafeToCallAbort() NO_THREAD_SAFETY_ANALYSIS { |
| 630 | Runtime* runtime = Runtime::Current(); |
| 631 | return runtime != nullptr && runtime->IsStarted() && !runtime->IsShuttingDownLocked(); |
| 632 | } |
| 633 | |
Vladimir Marko | 88b2b80 | 2015-12-04 14:19:04 +0000 | [diff] [blame] | 634 | bool Runtime::Create(RuntimeArgumentMap&& runtime_options) { |
Carl Shapiro | 2ed144c | 2011-07-26 16:52:08 -0700 | [diff] [blame] | 635 | // TODO: acquire a static mutex on Runtime to avoid racing. |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 636 | if (Runtime::instance_ != nullptr) { |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 637 | return false; |
Carl Shapiro | 2ed144c | 2011-07-26 16:52:08 -0700 | [diff] [blame] | 638 | } |
Elliott Hughes | dcc2474 | 2011-09-07 14:02:44 -0700 | [diff] [blame] | 639 | instance_ = new Runtime; |
David Sehr | f42eb2c | 2016-10-19 13:20:45 -0700 | [diff] [blame] | 640 | Locks::SetClientCallback(IsSafeToCallAbort); |
Vladimir Marko | 88b2b80 | 2015-12-04 14:19:04 +0000 | [diff] [blame] | 641 | if (!instance_->Init(std::move(runtime_options))) { |
Jean Christophe Beyler | 24e04aa | 2014-09-12 12:03:25 -0700 | [diff] [blame] | 642 | // TODO: Currently deleting the instance will abort the runtime on destruction. Now This will |
| 643 | // leak memory, instead. Fix the destructor. b/19100793. |
| 644 | // delete instance_; |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 645 | instance_ = nullptr; |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 646 | return false; |
Carl Shapiro | 61e019d | 2011-07-14 16:53:09 -0700 | [diff] [blame] | 647 | } |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 648 | return true; |
Brian Carlstrom | 69b15fb | 2011-09-03 12:25:21 -0700 | [diff] [blame] | 649 | } |
Elliott Hughes | 0af5543 | 2011-08-17 18:37:28 -0700 | [diff] [blame] | 650 | |
Vladimir Marko | 88b2b80 | 2015-12-04 14:19:04 +0000 | [diff] [blame] | 651 | bool Runtime::Create(const RuntimeOptions& raw_options, bool ignore_unrecognized) { |
| 652 | RuntimeArgumentMap runtime_options; |
| 653 | return ParseOptions(raw_options, ignore_unrecognized, &runtime_options) && |
| 654 | Create(std::move(runtime_options)); |
| 655 | } |
| 656 | |
Andreas Gampe | 81c6f8d | 2015-03-25 17:19:53 -0700 | [diff] [blame] | 657 | static jobject CreateSystemClassLoader(Runtime* runtime) { |
| 658 | if (runtime->IsAotCompiler() && !runtime->GetCompilerCallbacks()->IsBootImage()) { |
| 659 | return nullptr; |
Brian Carlstrom | aded5f7 | 2011-10-07 17:15:04 -0700 | [diff] [blame] | 660 | } |
| 661 | |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 662 | ScopedObjectAccess soa(Thread::Current()); |
Mathieu Chartier | c528dba | 2013-11-26 12:00:11 -0800 | [diff] [blame] | 663 | ClassLinker* cl = Runtime::Current()->GetClassLinker(); |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 664 | auto pointer_size = cl->GetImagePointerSize(); |
Brian Carlstrom | aded5f7 | 2011-10-07 17:15:04 -0700 | [diff] [blame] | 665 | |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 666 | StackHandleScope<2> hs(soa.Self()); |
Mathieu Chartier | eb8167a | 2014-05-07 15:43:14 -0700 | [diff] [blame] | 667 | Handle<mirror::Class> class_loader_class( |
Mathieu Chartier | 0795f23 | 2016-09-27 18:43:30 -0700 | [diff] [blame] | 668 | hs.NewHandle(soa.Decode<mirror::Class>(WellKnownClasses::java_lang_ClassLoader))); |
Ian Rogers | 7b078e8 | 2014-09-10 14:44:24 -0700 | [diff] [blame] | 669 | CHECK(cl->EnsureInitialized(soa.Self(), class_loader_class, true, true)); |
Brian Carlstrom | aded5f7 | 2011-10-07 17:15:04 -0700 | [diff] [blame] | 670 | |
Vladimir Marko | ba11882 | 2017-06-12 15:41:56 +0100 | [diff] [blame] | 671 | ArtMethod* getSystemClassLoader = class_loader_class->FindClassMethod( |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 672 | "getSystemClassLoader", "()Ljava/lang/ClassLoader;", pointer_size); |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 673 | CHECK(getSystemClassLoader != nullptr); |
Vladimir Marko | ba11882 | 2017-06-12 15:41:56 +0100 | [diff] [blame] | 674 | CHECK(getSystemClassLoader->IsStatic()); |
Brian Carlstrom | aded5f7 | 2011-10-07 17:15:04 -0700 | [diff] [blame] | 675 | |
Andreas Gampe | 13b2784 | 2016-11-07 16:48:23 -0800 | [diff] [blame] | 676 | JValue result = InvokeWithJValues(soa, |
| 677 | nullptr, |
| 678 | jni::EncodeArtMethod(getSystemClassLoader), |
| 679 | nullptr); |
Brian Carlstrom | ce88853 | 2013-10-10 00:32:58 -0700 | [diff] [blame] | 680 | JNIEnv* env = soa.Self()->GetJniEnv(); |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 681 | ScopedLocalRef<jobject> system_class_loader(env, soa.AddLocalReference<jobject>(result.GetL())); |
Mathieu Chartier | c528dba | 2013-11-26 12:00:11 -0800 | [diff] [blame] | 682 | CHECK(system_class_loader.get() != nullptr); |
Brian Carlstrom | ce88853 | 2013-10-10 00:32:58 -0700 | [diff] [blame] | 683 | |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 684 | soa.Self()->SetClassLoaderOverride(system_class_loader.get()); |
Ian Rogers | 365c102 | 2012-06-22 15:05:28 -0700 | [diff] [blame] | 685 | |
Mathieu Chartier | eb8167a | 2014-05-07 15:43:14 -0700 | [diff] [blame] | 686 | Handle<mirror::Class> thread_class( |
Mathieu Chartier | 0795f23 | 2016-09-27 18:43:30 -0700 | [diff] [blame] | 687 | hs.NewHandle(soa.Decode<mirror::Class>(WellKnownClasses::java_lang_Thread))); |
Ian Rogers | 7b078e8 | 2014-09-10 14:44:24 -0700 | [diff] [blame] | 688 | CHECK(cl->EnsureInitialized(soa.Self(), thread_class, true, true)); |
Ian Rogers | 365c102 | 2012-06-22 15:05:28 -0700 | [diff] [blame] | 689 | |
Mathieu Chartier | c785344 | 2015-03-27 14:35:38 -0700 | [diff] [blame] | 690 | ArtField* contextClassLoader = |
Mathieu Chartier | c528dba | 2013-11-26 12:00:11 -0800 | [diff] [blame] | 691 | thread_class->FindDeclaredInstanceField("contextClassLoader", "Ljava/lang/ClassLoader;"); |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 692 | CHECK(contextClassLoader != nullptr); |
Ian Rogers | 365c102 | 2012-06-22 15:05:28 -0700 | [diff] [blame] | 693 | |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 694 | // We can't run in a transaction yet. |
Mathieu Chartier | 0795f23 | 2016-09-27 18:43:30 -0700 | [diff] [blame] | 695 | contextClassLoader->SetObject<false>( |
| 696 | soa.Self()->GetPeer(), |
Mathieu Chartier | 1cc62e4 | 2016-10-03 18:01:28 -0700 | [diff] [blame] | 697 | soa.Decode<mirror::ClassLoader>(system_class_loader.get()).Ptr()); |
Brian Carlstrom | ce88853 | 2013-10-10 00:32:58 -0700 | [diff] [blame] | 698 | |
| 699 | return env->NewGlobalRef(system_class_loader.get()); |
Brian Carlstrom | aded5f7 | 2011-10-07 17:15:04 -0700 | [diff] [blame] | 700 | } |
| 701 | |
Tsu Chiang Chuang | 12e6d74 | 2014-05-22 10:22:25 -0700 | [diff] [blame] | 702 | std::string Runtime::GetCompilerExecutable() const { |
| 703 | if (!compiler_executable_.empty()) { |
| 704 | return compiler_executable_; |
| 705 | } |
| 706 | std::string compiler_executable(GetAndroidRoot()); |
| 707 | compiler_executable += (kIsDebugBuild ? "/bin/dex2oatd" : "/bin/dex2oat"); |
| 708 | return compiler_executable; |
| 709 | } |
| 710 | |
Vladimir Marko | dcfcce4 | 2018-06-27 10:00:28 +0000 | [diff] [blame] | 711 | void Runtime::RunRootClinits(Thread* self) { |
| 712 | class_linker_->RunRootClinits(self); |
| 713 | |
| 714 | GcRoot<mirror::Throwable>* exceptions[] = { |
| 715 | &pre_allocated_OutOfMemoryError_when_throwing_exception_, |
| 716 | // &pre_allocated_OutOfMemoryError_when_throwing_oome_, // Same class as above. |
| 717 | // &pre_allocated_OutOfMemoryError_when_handling_stack_overflow_, // Same class as above. |
| 718 | &pre_allocated_NoClassDefFoundError_, |
| 719 | }; |
| 720 | for (GcRoot<mirror::Throwable>* exception : exceptions) { |
| 721 | StackHandleScope<1> hs(self); |
| 722 | Handle<mirror::Class> klass = hs.NewHandle<mirror::Class>(exception->Read()->GetClass()); |
| 723 | class_linker_->EnsureInitialized(self, klass, true, true); |
| 724 | self->AssertNoPendingException(); |
| 725 | } |
| 726 | } |
| 727 | |
Brian Carlstrom | bd86bcc | 2013-03-10 20:26:16 -0700 | [diff] [blame] | 728 | bool Runtime::Start() { |
Elliott Hughes | 4dd9b4d | 2011-12-12 18:29:24 -0800 | [diff] [blame] | 729 | VLOG(startup) << "Runtime::Start entering"; |
Brian Carlstrom | 58ae941 | 2011-10-04 00:56:06 -0700 | [diff] [blame] | 730 | |
Calin Juravle | 01aaf6e | 2015-06-19 22:05:39 +0100 | [diff] [blame] | 731 | CHECK(!no_sig_chain_) << "A started runtime should have sig chain enabled"; |
| 732 | |
Hiroshi Yamauchi | 6ffb9cc | 2015-08-31 15:14:17 -0700 | [diff] [blame] | 733 | // 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] | 734 | // 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] | 735 | #if defined(__linux__) && !defined(ART_TARGET_ANDROID) && defined(__x86_64__) |
Hiroshi Yamauchi | 6ffb9cc | 2015-08-31 15:14:17 -0700 | [diff] [blame] | 736 | if (kIsDebugBuild) { |
| 737 | CHECK_EQ(prctl(PR_SET_PTRACER, PR_SET_PTRACER_ANY), 0); |
| 738 | } |
| 739 | #endif |
| 740 | |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 741 | // Restore main thread state to kNative as expected by native code. |
Ian Rogers | a436fde | 2013-08-27 23:34:06 -0700 | [diff] [blame] | 742 | Thread* self = Thread::Current(); |
Alex Light | 64ad14d | 2014-08-19 14:23:13 -0700 | [diff] [blame] | 743 | |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 744 | self->TransitionFromRunnableToSuspended(kNative); |
| 745 | |
Brian Carlstrom | 5d40f18 | 2011-09-26 22:29:18 -0700 | [diff] [blame] | 746 | started_ = true; |
| 747 | |
Jeff Hao | dcdc85b | 2015-12-04 14:06:18 -0800 | [diff] [blame] | 748 | if (!IsImageDex2OatEnabled() || !GetHeap()->HasBootImageSpace()) { |
Mathieu Chartier | eb175f7 | 2014-10-31 11:49:27 -0700 | [diff] [blame] | 749 | ScopedObjectAccess soa(self); |
Przemyslaw Szczepaniak | a2b147e | 2016-05-12 14:55:48 +0100 | [diff] [blame] | 750 | StackHandleScope<2> hs(soa.Self()); |
| 751 | |
Vladimir Marko | 679730e | 2018-05-25 15:06:48 +0100 | [diff] [blame] | 752 | ObjPtr<mirror::ObjectArray<mirror::Class>> class_roots = GetClassLinker()->GetClassRoots(); |
| 753 | auto class_class(hs.NewHandle<mirror::Class>(GetClassRoot<mirror::Class>(class_roots))); |
| 754 | auto field_class(hs.NewHandle<mirror::Class>(GetClassRoot<mirror::Field>(class_roots))); |
Przemyslaw Szczepaniak | a2b147e | 2016-05-12 14:55:48 +0100 | [diff] [blame] | 755 | |
| 756 | class_linker_->EnsureInitialized(soa.Self(), class_class, true, true); |
Vladimir Marko | dcfcce4 | 2018-06-27 10:00:28 +0000 | [diff] [blame] | 757 | self->AssertNoPendingException(); |
Przemyslaw Szczepaniak | a2b147e | 2016-05-12 14:55:48 +0100 | [diff] [blame] | 758 | // Field class is needed for register_java_net_InetAddress in libcore, b/28153851. |
| 759 | class_linker_->EnsureInitialized(soa.Self(), field_class, true, true); |
Vladimir Marko | dcfcce4 | 2018-06-27 10:00:28 +0000 | [diff] [blame] | 760 | self->AssertNoPendingException(); |
Alex Light | 64ad14d | 2014-08-19 14:23:13 -0700 | [diff] [blame] | 761 | } |
| 762 | |
Brian Carlstrom | ae82698 | 2011-11-09 01:33:42 -0800 | [diff] [blame] | 763 | // InitNativeMethods needs to be after started_ so that the classes |
| 764 | // it touches will have methods linked to the oat file if necessary. |
Mathieu Chartier | 32ce2ad | 2016-03-04 14:58:03 -0800 | [diff] [blame] | 765 | { |
| 766 | ScopedTrace trace2("InitNativeMethods"); |
| 767 | InitNativeMethods(); |
| 768 | } |
Brian Carlstrom | ae82698 | 2011-11-09 01:33:42 -0800 | [diff] [blame] | 769 | |
Orion Hodson | 26ef34c | 2017-11-01 13:32:41 +0000 | [diff] [blame] | 770 | // IntializeIntrinsics needs to be called after the WellKnownClasses::Init in InitNativeMethods |
| 771 | // because in checking the invocation types of intrinsic methods ArtMethod::GetInvokeType() |
| 772 | // needs the SignaturePolymorphic annotation class which is initialized in WellKnownClasses::Init. |
| 773 | InitializeIntrinsics(); |
| 774 | |
Ian Rogers | 365c102 | 2012-06-22 15:05:28 -0700 | [diff] [blame] | 775 | // Initialize well known thread group values that may be accessed threads while attaching. |
| 776 | InitThreadGroups(self); |
| 777 | |
Jesse Wilson | 9a6bae8 | 2011-11-14 14:57:30 -0500 | [diff] [blame] | 778 | Thread::FinishStartup(); |
| 779 | |
Andreas Gampe | 4471e4f | 2017-01-30 16:40:49 +0000 | [diff] [blame] | 780 | // Create the JIT either if we have to use JIT compilation or save profiling info. This is |
| 781 | // done after FinishStartup as the JIT pool needs Java thread peers, which require the main |
| 782 | // ThreadGroup to exist. |
| 783 | // |
| 784 | // TODO(calin): We use the JIT class as a proxy for JIT compilation and for |
| 785 | // recoding profiles. Maybe we should consider changing the name to be more clear it's |
| 786 | // not only about compiling. b/28295073. |
| 787 | if (jit_options_->UseJitCompilation() || jit_options_->GetSaveProfilingInfo()) { |
| 788 | std::string error_msg; |
| 789 | if (!IsZygote()) { |
| 790 | // If we are the zygote then we need to wait until after forking to create the code cache |
| 791 | // due to SELinux restrictions on r/w/x memory regions. |
| 792 | CreateJit(); |
| 793 | } else if (jit_options_->UseJitCompilation()) { |
| 794 | if (!jit::Jit::LoadCompilerLibrary(&error_msg)) { |
| 795 | // Try to load compiler pre zygote to reduce PSS. b/27744947 |
| 796 | LOG(WARNING) << "Failed to load JIT compiler with error " << error_msg; |
| 797 | } |
| 798 | } |
| 799 | } |
| 800 | |
Andreas Gampe | 4886411 | 2017-01-19 17:23:17 -0800 | [diff] [blame] | 801 | // Send the start phase event. We have to wait till here as this is when the main thread peer |
| 802 | // has just been generated, important root clinits have been run and JNI is completely functional. |
| 803 | { |
| 804 | ScopedObjectAccess soa(self); |
| 805 | callbacks_->NextRuntimePhase(RuntimePhaseCallback::RuntimePhase::kStart); |
| 806 | } |
| 807 | |
Andreas Gampe | 81c6f8d | 2015-03-25 17:19:53 -0700 | [diff] [blame] | 808 | system_class_loader_ = CreateSystemClassLoader(this); |
jgu21 | a6da74e | 2014-09-10 06:57:17 -0400 | [diff] [blame] | 809 | |
Robert Sesek | b226703 | 2016-09-13 19:12:57 -0400 | [diff] [blame] | 810 | if (!is_zygote_) { |
Calin Juravle | 07d83c7 | 2014-10-22 21:02:23 +0100 | [diff] [blame] | 811 | if (is_native_bridge_loaded_) { |
jgu21 | a6da74e | 2014-09-10 06:57:17 -0400 | [diff] [blame] | 812 | PreInitializeNativeBridge("."); |
| 813 | } |
Calin Juravle | d3e7c6c | 2016-02-04 19:07:51 +0000 | [diff] [blame] | 814 | NativeBridgeAction action = force_native_bridge_ |
| 815 | ? NativeBridgeAction::kInitialize |
| 816 | : NativeBridgeAction::kUnload; |
Nicolas Geoffray | ba69a51 | 2015-11-17 13:50:21 +0000 | [diff] [blame] | 817 | InitNonZygoteOrPostFork(self->GetJniEnv(), |
Andreas Gampe | 98ea9d9 | 2018-10-19 14:06:15 -0700 | [diff] [blame] | 818 | /* is_system_server= */ false, |
Calin Juravle | d3e7c6c | 2016-02-04 19:07:51 +0000 | [diff] [blame] | 819 | action, |
Nicolas Geoffray | ba69a51 | 2015-11-17 13:50:21 +0000 | [diff] [blame] | 820 | GetInstructionSetString(kRuntimeISA)); |
Elliott Hughes | d1cc836 | 2011-10-24 16:58:50 -0700 | [diff] [blame] | 821 | } |
Elliott Hughes | 9ca7a1f | 2011-10-11 14:29:52 -0700 | [diff] [blame] | 822 | |
Andreas Gampe | eafaf57 | 2017-01-20 12:34:15 -0800 | [diff] [blame] | 823 | // Send the initialized phase event. Send it before starting daemons, as otherwise |
| 824 | // sending thread events becomes complicated. |
| 825 | { |
| 826 | ScopedObjectAccess soa(self); |
| 827 | callbacks_->NextRuntimePhase(RuntimePhaseCallback::RuntimePhase::kInit); |
| 828 | } |
| 829 | |
Elliott Hughes | 85d1545 | 2011-09-16 17:33:01 -0700 | [diff] [blame] | 830 | StartDaemonThreads(); |
Brian Carlstrom | 0a5b14d | 2011-09-27 13:29:15 -0700 | [diff] [blame] | 831 | |
Yevgeny Rouban | 35aef2c | 2014-05-19 16:19:36 +0700 | [diff] [blame] | 832 | { |
| 833 | ScopedObjectAccess soa(self); |
Ian Rogers | 55256cb | 2017-12-21 17:07:11 -0800 | [diff] [blame] | 834 | self->GetJniEnv()->AssertLocalsEmpty(); |
Yevgeny Rouban | 35aef2c | 2014-05-19 16:19:36 +0700 | [diff] [blame] | 835 | } |
Elliott Hughes | 726079d | 2011-10-07 18:43:44 -0700 | [diff] [blame] | 836 | |
Elliott Hughes | 4dd9b4d | 2011-12-12 18:29:24 -0800 | [diff] [blame] | 837 | VLOG(startup) << "Runtime::Start exiting"; |
Mathieu Chartier | 7664f5c | 2012-06-08 18:15:32 -0700 | [diff] [blame] | 838 | finished_starting_ = true; |
Brian Carlstrom | bd86bcc | 2013-03-10 20:26:16 -0700 | [diff] [blame] | 839 | |
Andreas Gampe | 40da286 | 2015-02-27 12:49:04 -0800 | [diff] [blame] | 840 | if (trace_config_.get() != nullptr && trace_config_->trace_file != "") { |
| 841 | ScopedThreadStateChange tsc(self, kWaitingForMethodTracingStart); |
| 842 | Trace::Start(trace_config_->trace_file.c_str(), |
Andreas Gampe | 40da286 | 2015-02-27 12:49:04 -0800 | [diff] [blame] | 843 | static_cast<int>(trace_config_->trace_file_size), |
| 844 | 0, |
| 845 | trace_config_->trace_output_mode, |
| 846 | trace_config_->trace_mode, |
| 847 | 0); |
| 848 | } |
| 849 | |
Calin Juravle | 2bce076 | 2018-02-20 16:03:34 -0800 | [diff] [blame] | 850 | // In case we have a profile path passed as a command line argument, |
| 851 | // register the current class path for profiling now. Note that we cannot do |
| 852 | // this before we create the JIT and having it here is the most convenient way. |
| 853 | // This is used when testing profiles with dalvikvm command as there is no |
| 854 | // framework to register the dex files for profiling. |
| 855 | if (jit_.get() != nullptr && jit_options_->GetSaveProfilingInfo() && |
| 856 | !jit_options_->GetProfileSaverOptions().GetProfilePath().empty()) { |
| 857 | std::vector<std::string> dex_filenames; |
| 858 | Split(class_path_string_, ':', &dex_filenames); |
| 859 | RegisterAppInfo(dex_filenames, jit_options_->GetProfileSaverOptions().GetProfilePath()); |
| 860 | } |
| 861 | |
Brian Carlstrom | bd86bcc | 2013-03-10 20:26:16 -0700 | [diff] [blame] | 862 | return true; |
Elliott Hughes | 85d1545 | 2011-09-16 17:33:01 -0700 | [diff] [blame] | 863 | } |
| 864 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 865 | void Runtime::EndThreadBirth() REQUIRES(Locks::runtime_shutdown_lock_) { |
Ian Rogers | 120f1c7 | 2012-09-28 17:17:10 -0700 | [diff] [blame] | 866 | DCHECK_GT(threads_being_born_, 0U); |
| 867 | threads_being_born_--; |
| 868 | if (shutting_down_started_ && threads_being_born_ == 0) { |
Ian Rogers | c604d73 | 2012-10-14 16:09:54 -0700 | [diff] [blame] | 869 | shutdown_cond_->Broadcast(Thread::Current()); |
Ian Rogers | 120f1c7 | 2012-09-28 17:17:10 -0700 | [diff] [blame] | 870 | } |
| 871 | } |
| 872 | |
Nicolas Geoffray | d66c862 | 2015-12-11 14:59:16 +0000 | [diff] [blame] | 873 | void Runtime::InitNonZygoteOrPostFork( |
Calin Juravle | 016fcbe2 | 2018-05-03 19:47:35 -0700 | [diff] [blame] | 874 | JNIEnv* env, |
| 875 | bool is_system_server, |
| 876 | NativeBridgeAction action, |
| 877 | const char* isa, |
| 878 | bool profile_system_server) { |
Brian Carlstrom | caabb1b | 2011-10-11 18:09:13 -0700 | [diff] [blame] | 879 | is_zygote_ = false; |
Elliott Hughes | d1cc836 | 2011-10-24 16:58:50 -0700 | [diff] [blame] | 880 | |
Calin Juravle | 07d83c7 | 2014-10-22 21:02:23 +0100 | [diff] [blame] | 881 | if (is_native_bridge_loaded_) { |
| 882 | switch (action) { |
| 883 | case NativeBridgeAction::kUnload: |
| 884 | UnloadNativeBridge(); |
| 885 | is_native_bridge_loaded_ = false; |
| 886 | break; |
Andreas Gampe | 6be67ee | 2014-09-02 21:22:18 -0700 | [diff] [blame] | 887 | |
Calin Juravle | 07d83c7 | 2014-10-22 21:02:23 +0100 | [diff] [blame] | 888 | case NativeBridgeAction::kInitialize: |
| 889 | InitializeNativeBridge(env, isa); |
| 890 | break; |
| 891 | } |
Andreas Gampe | 6be67ee | 2014-09-02 21:22:18 -0700 | [diff] [blame] | 892 | } |
| 893 | |
Mathieu Chartier | e5f13e5 | 2015-02-24 09:37:21 -0800 | [diff] [blame] | 894 | // Create the thread pools. |
Mathieu Chartier | 02b6a78 | 2012-10-26 13:51:26 -0700 | [diff] [blame] | 895 | heap_->CreateThreadPool(); |
Hiroshi Yamauchi | 3767017 | 2015-06-10 17:20:54 -0700 | [diff] [blame] | 896 | // Reset the gc performance data at zygote fork so that the GCs |
| 897 | // before fork aren't attributed to an app. |
| 898 | heap_->ResetGcPerformanceInfo(); |
| 899 | |
Mathieu Chartier | f9c917f | 2017-03-31 14:49:09 -0700 | [diff] [blame] | 900 | // We may want to collect profiling samples for system server, but we never want to JIT there. |
Calin Juravle | 016fcbe2 | 2018-05-03 19:47:35 -0700 | [diff] [blame] | 901 | if (is_system_server) { |
| 902 | jit_options_->SetUseJitCompilation(false); |
| 903 | jit_options_->SetSaveProfilingInfo(profile_system_server); |
| 904 | if (profile_system_server) { |
| 905 | jit_options_->SetWaitForJitNotificationsToSaveProfile(false); |
| 906 | VLOG(profiler) << "Enabling system server profiles"; |
| 907 | } |
| 908 | } |
| 909 | if (!safe_mode_ && |
Calin Juravle | ffc8707 | 2016-04-20 14:22:09 +0100 | [diff] [blame] | 910 | (jit_options_->UseJitCompilation() || jit_options_->GetSaveProfilingInfo()) && |
Mathieu Chartier | f9c917f | 2017-03-31 14:49:09 -0700 | [diff] [blame] | 911 | jit_ == nullptr) { |
Nicolas Geoffray | ba69a51 | 2015-11-17 13:50:21 +0000 | [diff] [blame] | 912 | // Note that when running ART standalone (not zygote, nor zygote fork), |
| 913 | // the jit may have already been created. |
Mathieu Chartier | e5f13e5 | 2015-02-24 09:37:21 -0800 | [diff] [blame] | 914 | CreateJit(); |
Mathieu Chartier | e5f13e5 | 2015-02-24 09:37:21 -0800 | [diff] [blame] | 915 | } |
Mathieu Chartier | 02b6a78 | 2012-10-26 13:51:26 -0700 | [diff] [blame] | 916 | |
Brian Carlstrom | caabb1b | 2011-10-11 18:09:13 -0700 | [diff] [blame] | 917 | StartSignalCatcher(); |
Elliott Hughes | d1cc836 | 2011-10-24 16:58:50 -0700 | [diff] [blame] | 918 | |
| 919 | // Start the JDWP thread. If the command-line debugger flags specified "suspend=y", |
Alex Light | 4032071 | 2017-12-14 11:52:04 -0800 | [diff] [blame] | 920 | // this will pause the runtime (in the internal debugger implementation), so we probably want |
| 921 | // this to come last. |
| 922 | ScopedObjectAccess soa(Thread::Current()); |
| 923 | GetRuntimeCallbacks()->StartDebugger(); |
Brian Carlstrom | caabb1b | 2011-10-11 18:09:13 -0700 | [diff] [blame] | 924 | } |
| 925 | |
| 926 | void Runtime::StartSignalCatcher() { |
| 927 | if (!is_zygote_) { |
Andreas Gampe | 53af040 | 2018-05-03 10:40:37 -0700 | [diff] [blame] | 928 | signal_catcher_ = new SignalCatcher(); |
Brian Carlstrom | caabb1b | 2011-10-11 18:09:13 -0700 | [diff] [blame] | 929 | } |
| 930 | } |
| 931 | |
Mathieu Chartier | 590fee9 | 2013-09-13 13:46:47 -0700 | [diff] [blame] | 932 | bool Runtime::IsShuttingDown(Thread* self) { |
| 933 | MutexLock mu(self, *Locks::runtime_shutdown_lock_); |
| 934 | return IsShuttingDownLocked(); |
| 935 | } |
| 936 | |
Elliott Hughes | 85d1545 | 2011-09-16 17:33:01 -0700 | [diff] [blame] | 937 | void Runtime::StartDaemonThreads() { |
Mathieu Chartier | 32ce2ad | 2016-03-04 14:58:03 -0800 | [diff] [blame] | 938 | ScopedTrace trace(__FUNCTION__); |
Elliott Hughes | 4dd9b4d | 2011-12-12 18:29:24 -0800 | [diff] [blame] | 939 | VLOG(startup) << "Runtime::StartDaemonThreads entering"; |
Elliott Hughes | 85d1545 | 2011-09-16 17:33:01 -0700 | [diff] [blame] | 940 | |
Elliott Hughes | 719b323 | 2011-09-25 17:42:19 -0700 | [diff] [blame] | 941 | Thread* self = Thread::Current(); |
Brian Carlstrom | aded5f7 | 2011-10-07 17:15:04 -0700 | [diff] [blame] | 942 | |
| 943 | // Must be in the kNative state for calling native methods. |
Ian Rogers | 50b35e2 | 2012-10-04 10:09:15 -0700 | [diff] [blame] | 944 | CHECK_EQ(self->GetState(), kNative); |
Brian Carlstrom | aded5f7 | 2011-10-07 17:15:04 -0700 | [diff] [blame] | 945 | |
Elliott Hughes | 719b323 | 2011-09-25 17:42:19 -0700 | [diff] [blame] | 946 | JNIEnv* env = self->GetJniEnv(); |
Ian Rogers | 2fa6b2e | 2012-10-17 00:10:17 -0700 | [diff] [blame] | 947 | env->CallStaticVoidMethod(WellKnownClasses::java_lang_Daemons, |
| 948 | WellKnownClasses::java_lang_Daemons_start); |
| 949 | if (env->ExceptionCheck()) { |
| 950 | env->ExceptionDescribe(); |
| 951 | LOG(FATAL) << "Error starting java.lang.Daemons"; |
| 952 | } |
Elliott Hughes | 9ca7a1f | 2011-10-11 14:29:52 -0700 | [diff] [blame] | 953 | |
Elliott Hughes | 4dd9b4d | 2011-12-12 18:29:24 -0800 | [diff] [blame] | 954 | VLOG(startup) << "Runtime::StartDaemonThreads exiting"; |
Carl Shapiro | 61e019d | 2011-07-14 16:53:09 -0700 | [diff] [blame] | 955 | } |
| 956 | |
Jeff Hao | dcdc85b | 2015-12-04 14:06:18 -0800 | [diff] [blame] | 957 | // Attempts to open dex files from image(s). Given the image location, try to find the oat file |
| 958 | // and open it to get the stored dex file. If the image is the first for a multi-image boot |
| 959 | // classpath, go on and also open the other images. |
Ian Rogers | 6a3c1fc | 2014-10-31 00:33:20 -0700 | [diff] [blame] | 960 | static bool OpenDexFilesFromImage(const std::string& image_location, |
Igor Murashkin | b1d8c31 | 2015-08-04 11:18:43 -0700 | [diff] [blame] | 961 | std::vector<std::unique_ptr<const DexFile>>* dex_files, |
| 962 | size_t* failures) { |
| 963 | DCHECK(dex_files != nullptr) << "OpenDexFilesFromImage: out-param is nullptr"; |
Alex Light | 84d7605 | 2014-08-22 17:49:35 -0700 | [diff] [blame] | 964 | |
Jeff Hao | dcdc85b | 2015-12-04 14:06:18 -0800 | [diff] [blame] | 965 | // Use a work-list approach, so that we can easily reuse the opening code. |
| 966 | std::vector<std::string> image_locations; |
| 967 | image_locations.push_back(image_location); |
| 968 | |
| 969 | for (size_t index = 0; index < image_locations.size(); ++index) { |
| 970 | std::string system_filename; |
| 971 | bool has_system = false; |
| 972 | std::string cache_filename_unused; |
| 973 | bool dalvik_cache_exists_unused; |
| 974 | bool has_cache_unused; |
| 975 | bool is_global_cache_unused; |
| 976 | bool found_image = gc::space::ImageSpace::FindImageFilename(image_locations[index].c_str(), |
| 977 | kRuntimeISA, |
| 978 | &system_filename, |
| 979 | &has_system, |
| 980 | &cache_filename_unused, |
| 981 | &dalvik_cache_exists_unused, |
| 982 | &has_cache_unused, |
| 983 | &is_global_cache_unused); |
| 984 | |
| 985 | if (!found_image || !has_system) { |
| 986 | return false; |
Alex Light | 84d7605 | 2014-08-22 17:49:35 -0700 | [diff] [blame] | 987 | } |
Jeff Hao | dcdc85b | 2015-12-04 14:06:18 -0800 | [diff] [blame] | 988 | |
| 989 | // We are falling back to non-executable use of the oat file because patching failed, presumably |
| 990 | // due to lack of space. |
David Brazdil | c93b3be | 2016-09-12 18:49:58 +0100 | [diff] [blame] | 991 | std::string vdex_filename = |
| 992 | ImageHeader::GetVdexLocationFromImageLocation(system_filename.c_str()); |
Jeff Hao | dcdc85b | 2015-12-04 14:06:18 -0800 | [diff] [blame] | 993 | std::string oat_filename = |
| 994 | ImageHeader::GetOatLocationFromImageLocation(system_filename.c_str()); |
| 995 | std::string oat_location = |
| 996 | ImageHeader::GetOatLocationFromImageLocation(image_locations[index].c_str()); |
| 997 | // Note: in the multi-image case, the image location may end in ".jar," and not ".art." Handle |
| 998 | // that here. |
Andreas Gampe | 9186ced | 2016-12-12 14:28:21 -0800 | [diff] [blame] | 999 | if (android::base::EndsWith(oat_location, ".jar")) { |
Jeff Hao | dcdc85b | 2015-12-04 14:06:18 -0800 | [diff] [blame] | 1000 | oat_location.replace(oat_location.length() - 3, 3, "oat"); |
Alex Light | 84d7605 | 2014-08-22 17:49:35 -0700 | [diff] [blame] | 1001 | } |
David Brazdil | c93b3be | 2016-09-12 18:49:58 +0100 | [diff] [blame] | 1002 | std::string error_msg; |
| 1003 | |
| 1004 | std::unique_ptr<VdexFile> vdex_file(VdexFile::Open(vdex_filename, |
Andreas Gampe | 98ea9d9 | 2018-10-19 14:06:15 -0700 | [diff] [blame] | 1005 | /* writable= */ false, |
| 1006 | /* low_4gb= */ false, |
| 1007 | /* unquicken= */ false, |
David Brazdil | c93b3be | 2016-09-12 18:49:58 +0100 | [diff] [blame] | 1008 | &error_msg)); |
| 1009 | if (vdex_file.get() == nullptr) { |
| 1010 | return false; |
| 1011 | } |
Jeff Hao | dcdc85b | 2015-12-04 14:06:18 -0800 | [diff] [blame] | 1012 | |
| 1013 | std::unique_ptr<File> file(OS::OpenFileForReading(oat_filename.c_str())); |
| 1014 | if (file.get() == nullptr) { |
| 1015 | return false; |
| 1016 | } |
Brian Carlstrom | f5b0f2c | 2016-10-14 01:04:26 -0700 | [diff] [blame] | 1017 | std::unique_ptr<ElfFile> elf_file(ElfFile::Open(file.get(), |
Andreas Gampe | 98ea9d9 | 2018-10-19 14:06:15 -0700 | [diff] [blame] | 1018 | /* writable= */ false, |
| 1019 | /* program_header_only= */ false, |
| 1020 | /* low_4gb= */ false, |
Mathieu Chartier | 0b4cbd0 | 2016-03-08 16:49:58 -0800 | [diff] [blame] | 1021 | &error_msg)); |
Jeff Hao | dcdc85b | 2015-12-04 14:06:18 -0800 | [diff] [blame] | 1022 | if (elf_file.get() == nullptr) { |
| 1023 | return false; |
| 1024 | } |
| 1025 | std::unique_ptr<const OatFile> oat_file( |
Andreas Gampe | 98ea9d9 | 2018-10-19 14:06:15 -0700 | [diff] [blame] | 1026 | OatFile::OpenWithElfFile(/* zip_fd= */ -1, |
Nicolas Geoffray | 3002509 | 2018-04-19 14:43:29 +0100 | [diff] [blame] | 1027 | elf_file.release(), |
David Brazdil | c93b3be | 2016-09-12 18:49:58 +0100 | [diff] [blame] | 1028 | vdex_file.release(), |
| 1029 | oat_location, |
| 1030 | nullptr, |
| 1031 | &error_msg)); |
Jeff Hao | dcdc85b | 2015-12-04 14:06:18 -0800 | [diff] [blame] | 1032 | if (oat_file == nullptr) { |
| 1033 | LOG(WARNING) << "Unable to use '" << oat_filename << "' because " << error_msg; |
| 1034 | return false; |
| 1035 | } |
| 1036 | |
Andreas Gampe | b40d361 | 2018-06-26 15:49:42 -0700 | [diff] [blame] | 1037 | for (const OatDexFile* oat_dex_file : oat_file->GetOatDexFiles()) { |
Jeff Hao | dcdc85b | 2015-12-04 14:06:18 -0800 | [diff] [blame] | 1038 | if (oat_dex_file == nullptr) { |
| 1039 | *failures += 1; |
| 1040 | continue; |
| 1041 | } |
| 1042 | std::unique_ptr<const DexFile> dex_file = oat_dex_file->OpenDexFile(&error_msg); |
| 1043 | if (dex_file.get() == nullptr) { |
| 1044 | *failures += 1; |
| 1045 | } else { |
| 1046 | dex_files->push_back(std::move(dex_file)); |
| 1047 | } |
| 1048 | } |
| 1049 | |
| 1050 | if (index == 0) { |
| 1051 | // First file. See if this is a multi-image environment, and if so, enqueue the other images. |
| 1052 | const OatHeader& boot_oat_header = oat_file->GetOatHeader(); |
Jeff Hao | f0192c8 | 2016-03-28 20:39:50 -0700 | [diff] [blame] | 1053 | const char* boot_cp = boot_oat_header.GetStoreValueByKey(OatHeader::kBootClassPathKey); |
Jeff Hao | dcdc85b | 2015-12-04 14:06:18 -0800 | [diff] [blame] | 1054 | if (boot_cp != nullptr) { |
Mathieu Chartier | 866d874 | 2016-09-21 15:24:18 -0700 | [diff] [blame] | 1055 | gc::space::ImageSpace::ExtractMultiImageLocations(image_locations[0], |
| 1056 | boot_cp, |
| 1057 | &image_locations); |
Jeff Hao | dcdc85b | 2015-12-04 14:06:18 -0800 | [diff] [blame] | 1058 | } |
| 1059 | } |
| 1060 | |
| 1061 | Runtime::Current()->GetOatFileManager().RegisterOatFile(std::move(oat_file)); |
Alex Light | 84d7605 | 2014-08-22 17:49:35 -0700 | [diff] [blame] | 1062 | } |
Alex Light | 84d7605 | 2014-08-22 17:49:35 -0700 | [diff] [blame] | 1063 | return true; |
| 1064 | } |
| 1065 | |
| 1066 | |
Alex Light | 64ad14d | 2014-08-19 14:23:13 -0700 | [diff] [blame] | 1067 | static size_t OpenDexFiles(const std::vector<std::string>& dex_filenames, |
Richard Uhler | c275259 | 2015-01-02 13:28:22 -0800 | [diff] [blame] | 1068 | const std::vector<std::string>& dex_locations, |
Alex Light | 84d7605 | 2014-08-22 17:49:35 -0700 | [diff] [blame] | 1069 | const std::string& image_location, |
Igor Murashkin | b1d8c31 | 2015-08-04 11:18:43 -0700 | [diff] [blame] | 1070 | std::vector<std::unique_ptr<const DexFile>>* dex_files) { |
| 1071 | DCHECK(dex_files != nullptr) << "OpenDexFiles: out-param is nullptr"; |
Alex Light | 64ad14d | 2014-08-19 14:23:13 -0700 | [diff] [blame] | 1072 | size_t failure_count = 0; |
Igor Murashkin | b1d8c31 | 2015-08-04 11:18:43 -0700 | [diff] [blame] | 1073 | if (!image_location.empty() && OpenDexFilesFromImage(image_location, dex_files, &failure_count)) { |
Alex Light | 84d7605 | 2014-08-22 17:49:35 -0700 | [diff] [blame] | 1074 | return failure_count; |
| 1075 | } |
David Sehr | 013fd80 | 2018-01-11 22:55:24 -0800 | [diff] [blame] | 1076 | const ArtDexFileLoader dex_file_loader; |
Alex Light | 84d7605 | 2014-08-22 17:49:35 -0700 | [diff] [blame] | 1077 | failure_count = 0; |
Alex Light | 64ad14d | 2014-08-19 14:23:13 -0700 | [diff] [blame] | 1078 | for (size_t i = 0; i < dex_filenames.size(); i++) { |
| 1079 | const char* dex_filename = dex_filenames[i].c_str(); |
Richard Uhler | c275259 | 2015-01-02 13:28:22 -0800 | [diff] [blame] | 1080 | const char* dex_location = dex_locations[i].c_str(); |
Aart Bik | 37d6a3b | 2016-06-21 18:30:10 -0700 | [diff] [blame] | 1081 | static constexpr bool kVerifyChecksum = true; |
Alex Light | 64ad14d | 2014-08-19 14:23:13 -0700 | [diff] [blame] | 1082 | std::string error_msg; |
| 1083 | if (!OS::FileExists(dex_filename)) { |
| 1084 | LOG(WARNING) << "Skipping non-existent dex file '" << dex_filename << "'"; |
| 1085 | continue; |
| 1086 | } |
David Sehr | 013fd80 | 2018-01-11 22:55:24 -0800 | [diff] [blame] | 1087 | if (!dex_file_loader.Open(dex_filename, |
| 1088 | dex_location, |
| 1089 | Runtime::Current()->IsVerificationEnabled(), |
| 1090 | kVerifyChecksum, |
| 1091 | &error_msg, |
| 1092 | dex_files)) { |
Alex Light | 64ad14d | 2014-08-19 14:23:13 -0700 | [diff] [blame] | 1093 | LOG(WARNING) << "Failed to open .dex from file '" << dex_filename << "': " << error_msg; |
| 1094 | ++failure_count; |
| 1095 | } |
| 1096 | } |
| 1097 | return failure_count; |
| 1098 | } |
| 1099 | |
Mathieu Chartier | 673ed3d | 2015-08-28 14:56:43 -0700 | [diff] [blame] | 1100 | void Runtime::SetSentinel(mirror::Object* sentinel) { |
| 1101 | CHECK(sentinel_.Read() == nullptr); |
| 1102 | CHECK(sentinel != nullptr); |
Hiroshi Yamauchi | 04302db | 2015-11-11 23:45:34 -0800 | [diff] [blame] | 1103 | CHECK(!heap_->IsMovableObject(sentinel)); |
Mathieu Chartier | 673ed3d | 2015-08-28 14:56:43 -0700 | [diff] [blame] | 1104 | sentinel_ = GcRoot<mirror::Object>(sentinel); |
| 1105 | } |
| 1106 | |
Vladimir Marko | dcfcce4 | 2018-06-27 10:00:28 +0000 | [diff] [blame] | 1107 | static inline void CreatePreAllocatedException(Thread* self, |
| 1108 | Runtime* runtime, |
| 1109 | GcRoot<mirror::Throwable>* exception, |
| 1110 | const char* exception_class_descriptor, |
| 1111 | const char* msg) |
Vladimir Marko | c13fbd8 | 2018-06-04 16:16:28 +0100 | [diff] [blame] | 1112 | REQUIRES_SHARED(Locks::mutator_lock_) { |
| 1113 | DCHECK_EQ(self, Thread::Current()); |
Vladimir Marko | dcfcce4 | 2018-06-27 10:00:28 +0000 | [diff] [blame] | 1114 | ClassLinker* class_linker = runtime->GetClassLinker(); |
| 1115 | // Allocate an object without initializing the class to allow non-trivial Throwable.<clinit>(). |
| 1116 | ObjPtr<mirror::Class> klass = class_linker->FindSystemClass(self, exception_class_descriptor); |
| 1117 | CHECK(klass != nullptr); |
| 1118 | gc::AllocatorType allocator_type = runtime->GetHeap()->GetCurrentAllocator(); |
| 1119 | ObjPtr<mirror::Throwable> exception_object = ObjPtr<mirror::Throwable>::DownCast( |
Andreas Gampe | 98ea9d9 | 2018-10-19 14:06:15 -0700 | [diff] [blame] | 1120 | klass->Alloc</* kIsInstrumented= */ true>(self, allocator_type)); |
Vladimir Marko | dcfcce4 | 2018-06-27 10:00:28 +0000 | [diff] [blame] | 1121 | CHECK(exception_object != nullptr); |
| 1122 | *exception = GcRoot<mirror::Throwable>(exception_object); |
| 1123 | // Initialize the "detailMessage" field. |
| 1124 | ObjPtr<mirror::String> message = mirror::String::AllocFromModifiedUtf8(self, msg); |
| 1125 | CHECK(message != nullptr); |
| 1126 | ObjPtr<mirror::Class> throwable = GetClassRoot<mirror::Throwable>(class_linker); |
| 1127 | ArtField* detailMessageField = |
| 1128 | throwable->FindDeclaredInstanceField("detailMessage", "Ljava/lang/String;"); |
| 1129 | CHECK(detailMessageField != nullptr); |
Andreas Gampe | 98ea9d9 | 2018-10-19 14:06:15 -0700 | [diff] [blame] | 1130 | detailMessageField->SetObject</* kTransactionActive= */ false>(exception->Read(), message); |
Vladimir Marko | c13fbd8 | 2018-06-04 16:16:28 +0100 | [diff] [blame] | 1131 | } |
| 1132 | |
Vladimir Marko | 88b2b80 | 2015-12-04 14:19:04 +0000 | [diff] [blame] | 1133 | bool Runtime::Init(RuntimeArgumentMap&& runtime_options_in) { |
David Sehr | d106d9f | 2016-08-16 19:22:57 -0700 | [diff] [blame] | 1134 | // (b/30160149): protect subprocesses from modifications to LD_LIBRARY_PATH, etc. |
| 1135 | // Take a snapshot of the environment at the time the runtime was created, for use by Exec, etc. |
| 1136 | env_snapshot_.TakeSnapshot(); |
| 1137 | |
Andreas Gampe | 25419b5 | 2018-02-08 21:30:26 -0800 | [diff] [blame] | 1138 | using Opt = RuntimeArgumentMap; |
| 1139 | Opt runtime_options(std::move(runtime_options_in)); |
Mathieu Chartier | 32ce2ad | 2016-03-04 14:58:03 -0800 | [diff] [blame] | 1140 | ScopedTrace trace(__FUNCTION__); |
Elliott Hughes | c1674ed | 2011-08-25 18:09:09 -0700 | [diff] [blame] | 1141 | CHECK_EQ(sysconf(_SC_PAGE_SIZE), kPageSize); |
Brian Carlstrom | 6ea095a | 2011-08-16 15:26:54 -0700 | [diff] [blame] | 1142 | |
Andreas Gampe | 25419b5 | 2018-02-08 21:30:26 -0800 | [diff] [blame] | 1143 | // Early override for logging output. |
| 1144 | if (runtime_options.Exists(Opt::UseStderrLogger)) { |
| 1145 | android::base::SetLogger(android::base::StderrLogger); |
| 1146 | } |
| 1147 | |
Mathieu Chartier | 6e88ef6 | 2014-10-14 15:01:24 -0700 | [diff] [blame] | 1148 | MemMap::Init(); |
| 1149 | |
Andreas Gampe | 5f2a2fc | 2017-05-18 17:45:07 -0700 | [diff] [blame] | 1150 | // Try to reserve a dedicated fault page. This is allocated for clobbered registers and sentinels. |
| 1151 | // If we cannot reserve it, log a warning. |
| 1152 | // Note: We allocate this first to have a good chance of grabbing the page. The address (0xebad..) |
| 1153 | // is out-of-the-way enough that it should not collide with boot image mapping. |
| 1154 | // Note: Don't request an error message. That will lead to a maps dump in the case of failure, |
| 1155 | // leading to logspam. |
| 1156 | { |
| 1157 | constexpr uintptr_t kSentinelAddr = |
| 1158 | RoundDown(static_cast<uintptr_t>(Context::kBadGprBase), kPageSize); |
Vladimir Marko | c34bebf | 2018-08-16 16:12:49 +0100 | [diff] [blame] | 1159 | protected_fault_page_ = MemMap::MapAnonymous("Sentinel fault page", |
| 1160 | reinterpret_cast<uint8_t*>(kSentinelAddr), |
| 1161 | kPageSize, |
| 1162 | PROT_NONE, |
Vladimir Marko | 1130659 | 2018-10-26 14:22:59 +0100 | [diff] [blame^] | 1163 | /*low_4gb=*/ true, |
| 1164 | /*reuse=*/ false, |
| 1165 | /*reservation=*/ nullptr, |
| 1166 | /*error_msg=*/ nullptr); |
Vladimir Marko | c34bebf | 2018-08-16 16:12:49 +0100 | [diff] [blame] | 1167 | if (!protected_fault_page_.IsValid()) { |
Andreas Gampe | 5f2a2fc | 2017-05-18 17:45:07 -0700 | [diff] [blame] | 1168 | LOG(WARNING) << "Could not reserve sentinel fault page"; |
Vladimir Marko | c34bebf | 2018-08-16 16:12:49 +0100 | [diff] [blame] | 1169 | } else if (reinterpret_cast<uintptr_t>(protected_fault_page_.Begin()) != kSentinelAddr) { |
Andreas Gampe | 5f2a2fc | 2017-05-18 17:45:07 -0700 | [diff] [blame] | 1170 | LOG(WARNING) << "Could not reserve sentinel fault page at the right address."; |
Vladimir Marko | c34bebf | 2018-08-16 16:12:49 +0100 | [diff] [blame] | 1171 | protected_fault_page_.Reset(); |
Andreas Gampe | 5f2a2fc | 2017-05-18 17:45:07 -0700 | [diff] [blame] | 1172 | } |
| 1173 | } |
| 1174 | |
Elliott Hughes | 4dd9b4d | 2011-12-12 18:29:24 -0800 | [diff] [blame] | 1175 | VLOG(startup) << "Runtime::Init -verbose:startup enabled"; |
Elliott Hughes | 7ede61e | 2011-09-14 18:18:06 -0700 | [diff] [blame] | 1176 | |
Elliott Hughes | 7c6169d | 2012-05-02 16:11:48 -0700 | [diff] [blame] | 1177 | QuasiAtomic::Startup(); |
| 1178 | |
Mathieu Chartier | e58991b | 2015-10-13 07:59:34 -0700 | [diff] [blame] | 1179 | oat_file_manager_ = new OatFileManager; |
Mathieu Chartier | f9c6fc6 | 2015-10-07 11:44:05 -0700 | [diff] [blame] | 1180 | |
Calin Juravle | b2771b4 | 2016-04-07 17:09:25 +0100 | [diff] [blame] | 1181 | Thread::SetSensitiveThreadHook(runtime_options.GetOrDefault(Opt::HookIsSensitiveThread)); |
Andreas Gampe | d0210e5 | 2017-06-23 13:38:09 -0700 | [diff] [blame] | 1182 | Monitor::Init(runtime_options.GetOrDefault(Opt::LockProfThreshold), |
| 1183 | runtime_options.GetOrDefault(Opt::StackDumpLockProfThreshold)); |
Elliott Hughes | 32d6e1e | 2011-10-11 14:47:44 -0700 | [diff] [blame] | 1184 | |
Igor Murashkin | aaebaa0 | 2015-01-26 10:55:53 -0800 | [diff] [blame] | 1185 | boot_class_path_string_ = runtime_options.ReleaseOrDefault(Opt::BootClassPath); |
| 1186 | class_path_string_ = runtime_options.ReleaseOrDefault(Opt::ClassPath); |
| 1187 | properties_ = runtime_options.ReleaseOrDefault(Opt::PropertiesList); |
Elliott Hughes | 7ede61e | 2011-09-14 18:18:06 -0700 | [diff] [blame] | 1188 | |
Igor Murashkin | aaebaa0 | 2015-01-26 10:55:53 -0800 | [diff] [blame] | 1189 | compiler_callbacks_ = runtime_options.GetOrDefault(Opt::CompilerCallbacksPtr); |
Igor Murashkin | aaebaa0 | 2015-01-26 10:55:53 -0800 | [diff] [blame] | 1190 | must_relocate_ = runtime_options.GetOrDefault(Opt::Relocate); |
| 1191 | is_zygote_ = runtime_options.Exists(Opt::Zygote); |
| 1192 | is_explicit_gc_disabled_ = runtime_options.Exists(Opt::DisableExplicitGC); |
Igor Murashkin | aaebaa0 | 2015-01-26 10:55:53 -0800 | [diff] [blame] | 1193 | image_dex2oat_enabled_ = runtime_options.GetOrDefault(Opt::ImageDex2Oat); |
Nicolas Geoffray | 6ee4971 | 2018-03-30 14:39:05 +0000 | [diff] [blame] | 1194 | dump_native_stack_on_sig_quit_ = runtime_options.GetOrDefault(Opt::DumpNativeStackOnSigQuit); |
Elliott Hughes | 9ca7a1f | 2011-10-11 14:29:52 -0700 | [diff] [blame] | 1195 | |
Igor Murashkin | aaebaa0 | 2015-01-26 10:55:53 -0800 | [diff] [blame] | 1196 | vfprintf_ = runtime_options.GetOrDefault(Opt::HookVfprintf); |
| 1197 | exit_ = runtime_options.GetOrDefault(Opt::HookExit); |
| 1198 | abort_ = runtime_options.GetOrDefault(Opt::HookAbort); |
Brian Carlstrom | 6ea095a | 2011-08-16 15:26:54 -0700 | [diff] [blame] | 1199 | |
Igor Murashkin | aaebaa0 | 2015-01-26 10:55:53 -0800 | [diff] [blame] | 1200 | default_stack_size_ = runtime_options.GetOrDefault(Opt::StackSize); |
Brian Carlstrom | 6ea095a | 2011-08-16 15:26:54 -0700 | [diff] [blame] | 1201 | |
Igor Murashkin | aaebaa0 | 2015-01-26 10:55:53 -0800 | [diff] [blame] | 1202 | compiler_executable_ = runtime_options.ReleaseOrDefault(Opt::Compiler); |
| 1203 | compiler_options_ = runtime_options.ReleaseOrDefault(Opt::CompilerOptions); |
Nicolas Geoffray | 433b79a | 2017-01-30 20:54:45 +0000 | [diff] [blame] | 1204 | for (StringPiece option : Runtime::Current()->GetCompilerOptions()) { |
| 1205 | if (option.starts_with("--debuggable")) { |
| 1206 | SetJavaDebuggable(true); |
| 1207 | break; |
| 1208 | } |
| 1209 | } |
Igor Murashkin | aaebaa0 | 2015-01-26 10:55:53 -0800 | [diff] [blame] | 1210 | image_compiler_options_ = runtime_options.ReleaseOrDefault(Opt::ImageCompilerOptions); |
| 1211 | image_location_ = runtime_options.GetOrDefault(Opt::Image); |
Brian Carlstrom | 2ec6520 | 2014-03-03 15:16:37 -0800 | [diff] [blame] | 1212 | |
Igor Murashkin | aaebaa0 | 2015-01-26 10:55:53 -0800 | [diff] [blame] | 1213 | max_spins_before_thin_lock_inflation_ = |
| 1214 | runtime_options.GetOrDefault(Opt::MaxSpinsBeforeThinLockInflation); |
Ian Rogers | d9c4fc9 | 2013-10-01 19:45:43 -0700 | [diff] [blame] | 1215 | |
Elliott Hughes | c33a32b | 2011-10-11 18:18:07 -0700 | [diff] [blame] | 1216 | monitor_list_ = new MonitorList; |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 1217 | monitor_pool_ = MonitorPool::Create(); |
Mathieu Chartier | 3fceaf5 | 2017-01-22 13:33:40 -0800 | [diff] [blame] | 1218 | thread_list_ = new ThreadList(runtime_options.GetOrDefault(Opt::ThreadSuspendTimeout)); |
Elliott Hughes | cf4c6c4 | 2011-09-01 15:16:42 -0700 | [diff] [blame] | 1219 | intern_table_ = new InternTable; |
| 1220 | |
Igor Murashkin | aaebaa0 | 2015-01-26 10:55:53 -0800 | [diff] [blame] | 1221 | verify_ = runtime_options.GetOrDefault(Opt::Verify); |
Jean Christophe Beyler | 24e04aa | 2014-09-12 12:03:25 -0700 | [diff] [blame] | 1222 | allow_dex_file_fallback_ = !runtime_options.Exists(Opt::NoDexFileFallback); |
Logan Chien | dd361c9 | 2012-04-10 23:40:37 +0800 | [diff] [blame] | 1223 | |
David Brazdil | a7db026 | 2018-01-16 17:13:35 +0000 | [diff] [blame] | 1224 | target_sdk_version_ = runtime_options.GetOrDefault(Opt::TargetSdkVersion); |
| 1225 | |
David Brazdil | ad66627 | 2018-02-06 20:30:59 +0000 | [diff] [blame] | 1226 | // Check whether to enforce hidden API access checks. The checks are disabled |
| 1227 | // by default and we only enable them if: |
| 1228 | // (a) runtime was started with a flag that enables the checks, or |
| 1229 | // (b) Zygote forked a new process that is not exempt (see ZygoteHooks). |
Mathew Inwood | 597d7f6 | 2018-03-22 11:36:47 +0000 | [diff] [blame] | 1230 | bool do_hidden_api_checks = runtime_options.Exists(Opt::HiddenApiChecks); |
| 1231 | DCHECK(!is_zygote_ || !do_hidden_api_checks); |
| 1232 | // TODO pass the actual enforcement policy in, rather than just a single bit. |
| 1233 | // As is, we're encoding some logic here about which specific policy to use, which would be better |
| 1234 | // controlled by the framework. |
| 1235 | hidden_api_policy_ = do_hidden_api_checks |
David Brazdil | 46226f0 | 2018-05-14 15:34:32 +0100 | [diff] [blame] | 1236 | ? hiddenapi::EnforcementPolicy::kDarkGreyAndBlackList |
Mathew Inwood | 597d7f6 | 2018-03-22 11:36:47 +0000 | [diff] [blame] | 1237 | : hiddenapi::EnforcementPolicy::kNoChecks; |
David Brazdil | 3e0fa0a | 2018-01-15 18:41:44 +0000 | [diff] [blame] | 1238 | |
Calin Juravle | 01aaf6e | 2015-06-19 22:05:39 +0100 | [diff] [blame] | 1239 | no_sig_chain_ = runtime_options.Exists(Opt::NoSigChain); |
Calin Juravle | d3e7c6c | 2016-02-04 19:07:51 +0000 | [diff] [blame] | 1240 | force_native_bridge_ = runtime_options.Exists(Opt::ForceNativeBridge); |
Calin Juravle | 01aaf6e | 2015-06-19 22:05:39 +0100 | [diff] [blame] | 1241 | |
Dmitriy Ivanov | 785049f | 2014-07-18 10:08:57 -0700 | [diff] [blame] | 1242 | Split(runtime_options.GetOrDefault(Opt::CpuAbiList), ',', &cpu_abilist_); |
| 1243 | |
Andreas Gampe | dd67125 | 2015-07-23 14:37:18 -0700 | [diff] [blame] | 1244 | fingerprint_ = runtime_options.ReleaseOrDefault(Opt::Fingerprint); |
| 1245 | |
Igor Murashkin | eb6c7c2 | 2015-02-04 17:30:43 -0800 | [diff] [blame] | 1246 | if (runtime_options.GetOrDefault(Opt::Interpret)) { |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 1247 | GetInstrumentation()->ForceInterpretOnly(); |
| 1248 | } |
| 1249 | |
Narayan Kamath | 5a2be3f | 2015-02-16 13:51:51 +0000 | [diff] [blame] | 1250 | zygote_max_failed_boots_ = runtime_options.GetOrDefault(Opt::ZygoteMaxFailedBoots); |
Alex Light | eb7c144 | 2015-08-31 13:17:42 -0700 | [diff] [blame] | 1251 | experimental_flags_ = runtime_options.GetOrDefault(Opt::Experimental); |
Mathieu Chartier | 32cc9ee | 2015-10-15 09:19:15 -0700 | [diff] [blame] | 1252 | is_low_memory_mode_ = runtime_options.Exists(Opt::LowMemoryMode); |
Mathieu Chartier | c42cb0e | 2017-10-13 11:35:00 -0700 | [diff] [blame] | 1253 | madvise_random_access_ = runtime_options.GetOrDefault(Opt::MadviseRandomAccess); |
Narayan Kamath | 5a2be3f | 2015-02-16 13:51:51 +0000 | [diff] [blame] | 1254 | |
Andreas Gampe | 01fd70b | 2017-01-25 10:03:08 -0800 | [diff] [blame] | 1255 | plugins_ = runtime_options.ReleaseOrDefault(Opt::Plugins); |
Andreas Gampe | aadcbc6 | 2017-12-28 14:05:42 -0800 | [diff] [blame] | 1256 | agent_specs_ = runtime_options.ReleaseOrDefault(Opt::AgentPath); |
Andreas Gampe | 01fd70b | 2017-01-25 10:03:08 -0800 | [diff] [blame] | 1257 | // TODO Add back in -agentlib |
| 1258 | // for (auto lib : runtime_options.ReleaseOrDefault(Opt::AgentLib)) { |
| 1259 | // agents_.push_back(lib); |
| 1260 | // } |
| 1261 | |
Mathieu Chartier | 11c273d | 2017-10-15 20:54:45 -0700 | [diff] [blame] | 1262 | float foreground_heap_growth_multiplier; |
| 1263 | if (is_low_memory_mode_ && !runtime_options.Exists(Opt::ForegroundHeapGrowthMultiplier)) { |
| 1264 | // If low memory mode, use 1.0 as the multiplier by default. |
| 1265 | foreground_heap_growth_multiplier = 1.0f; |
| 1266 | } else { |
| 1267 | foreground_heap_growth_multiplier = |
| 1268 | runtime_options.GetOrDefault(Opt::ForegroundHeapGrowthMultiplier) + |
| 1269 | kExtraDefaultHeapGrowthMultiplier; |
| 1270 | } |
Igor Murashkin | aaebaa0 | 2015-01-26 10:55:53 -0800 | [diff] [blame] | 1271 | XGcOption xgc_option = runtime_options.GetOrDefault(Opt::GcOption); |
| 1272 | heap_ = new gc::Heap(runtime_options.GetOrDefault(Opt::MemoryInitialSize), |
| 1273 | runtime_options.GetOrDefault(Opt::HeapGrowthLimit), |
| 1274 | runtime_options.GetOrDefault(Opt::HeapMinFree), |
| 1275 | runtime_options.GetOrDefault(Opt::HeapMaxFree), |
| 1276 | runtime_options.GetOrDefault(Opt::HeapTargetUtilization), |
Mathieu Chartier | 11c273d | 2017-10-15 20:54:45 -0700 | [diff] [blame] | 1277 | foreground_heap_growth_multiplier, |
Igor Murashkin | aaebaa0 | 2015-01-26 10:55:53 -0800 | [diff] [blame] | 1278 | runtime_options.GetOrDefault(Opt::MemoryMaximumSize), |
| 1279 | runtime_options.GetOrDefault(Opt::NonMovingSpaceCapacity), |
| 1280 | runtime_options.GetOrDefault(Opt::Image), |
| 1281 | runtime_options.GetOrDefault(Opt::ImageInstructionSet), |
Hiroshi Yamauchi | 1b0adbf | 2016-11-14 17:35:12 -0800 | [diff] [blame] | 1282 | // Override the collector type to CC if the read barrier config. |
| 1283 | kUseReadBarrier ? gc::kCollectorTypeCC : xgc_option.collector_type_, |
| 1284 | kUseReadBarrier ? BackgroundGcOption(gc::kCollectorTypeCCBackground) |
| 1285 | : runtime_options.GetOrDefault(Opt::BackgroundGc), |
Igor Murashkin | aaebaa0 | 2015-01-26 10:55:53 -0800 | [diff] [blame] | 1286 | runtime_options.GetOrDefault(Opt::LargeObjectSpace), |
| 1287 | runtime_options.GetOrDefault(Opt::LargeObjectThreshold), |
| 1288 | runtime_options.GetOrDefault(Opt::ParallelGCThreads), |
| 1289 | runtime_options.GetOrDefault(Opt::ConcGCThreads), |
| 1290 | runtime_options.Exists(Opt::LowMemoryMode), |
| 1291 | runtime_options.GetOrDefault(Opt::LongPauseLogThreshold), |
| 1292 | runtime_options.GetOrDefault(Opt::LongGCLogThreshold), |
| 1293 | runtime_options.Exists(Opt::IgnoreMaxFootprint), |
Hiroshi Yamauchi | f360ad0 | 2015-02-20 11:28:03 -0800 | [diff] [blame] | 1294 | runtime_options.GetOrDefault(Opt::UseTLAB), |
Igor Murashkin | aaebaa0 | 2015-01-26 10:55:53 -0800 | [diff] [blame] | 1295 | xgc_option.verify_pre_gc_heap_, |
| 1296 | xgc_option.verify_pre_sweeping_heap_, |
| 1297 | xgc_option.verify_post_gc_heap_, |
| 1298 | xgc_option.verify_pre_gc_rosalloc_, |
| 1299 | xgc_option.verify_pre_sweeping_rosalloc_, |
| 1300 | xgc_option.verify_post_gc_rosalloc_, |
Mathieu Chartier | 3100080 | 2015-06-14 14:14:37 -0700 | [diff] [blame] | 1301 | xgc_option.gcstress_, |
Mathieu Chartier | 56fe258 | 2016-07-14 13:30:03 -0700 | [diff] [blame] | 1302 | xgc_option.measure_, |
Igor Murashkin | aaebaa0 | 2015-01-26 10:55:53 -0800 | [diff] [blame] | 1303 | runtime_options.GetOrDefault(Opt::EnableHSpaceCompactForOOM), |
| 1304 | runtime_options.GetOrDefault(Opt::HSpaceCompactForOOMMinIntervalsMs)); |
Dave Allison | 3d14eb6 | 2014-07-10 01:54:57 +0000 | [diff] [blame] | 1305 | |
Jeff Hao | dcdc85b | 2015-12-04 14:06:18 -0800 | [diff] [blame] | 1306 | if (!heap_->HasBootImageSpace() && !allow_dex_file_fallback_) { |
Jean Christophe Beyler | 24e04aa | 2014-09-12 12:03:25 -0700 | [diff] [blame] | 1307 | LOG(ERROR) << "Dex file fallback disabled, cannot continue without image."; |
| 1308 | return false; |
| 1309 | } |
| 1310 | |
Igor Murashkin | aaebaa0 | 2015-01-26 10:55:53 -0800 | [diff] [blame] | 1311 | dump_gc_performance_on_shutdown_ = runtime_options.Exists(Opt::DumpGCPerformanceOnShutdown); |
Dave Allison | 3d14eb6 | 2014-07-10 01:54:57 +0000 | [diff] [blame] | 1312 | |
Alex Light | 4032071 | 2017-12-14 11:52:04 -0800 | [diff] [blame] | 1313 | jdwp_options_ = runtime_options.GetOrDefault(Opt::JdwpOptions); |
Alex Light | baac7e4 | 2018-06-08 15:30:11 +0000 | [diff] [blame] | 1314 | jdwp_provider_ = CanonicalizeJdwpProvider(runtime_options.GetOrDefault(Opt::JdwpProvider), |
| 1315 | IsJavaDebuggable()); |
Alex Light | 4032071 | 2017-12-14 11:52:04 -0800 | [diff] [blame] | 1316 | switch (jdwp_provider_) { |
| 1317 | case JdwpProvider::kNone: { |
Alex Light | 230fa94 | 2018-03-08 14:07:02 -0800 | [diff] [blame] | 1318 | VLOG(jdwp) << "Disabling all JDWP support."; |
Alex Light | b06bd68 | 2018-01-29 13:26:45 -0800 | [diff] [blame] | 1319 | if (!jdwp_options_.empty()) { |
| 1320 | bool has_transport = jdwp_options_.find("transport") != std::string::npos; |
| 1321 | const char* transport_internal = !has_transport ? "transport=dt_android_adb," : ""; |
| 1322 | std::string adb_connection_args = |
| 1323 | std::string(" -XjdwpProvider:adbconnection -XjdwpOptions:") + jdwp_options_; |
| 1324 | LOG(WARNING) << "Jdwp options given when jdwp is disabled! You probably want to enable " |
| 1325 | << "jdwp with one of:" << std::endl |
| 1326 | << " -XjdwpProvider:internal " |
| 1327 | << "-XjdwpOptions:" << transport_internal << jdwp_options_ << std::endl |
| 1328 | << " -Xplugin:libopenjdkjvmti" << (kIsDebugBuild ? "d" : "") << ".so " |
| 1329 | << "-agentpath:libjdwp.so=" << jdwp_options_ << std::endl |
| 1330 | << (has_transport ? "" : adb_connection_args); |
| 1331 | } |
Alex Light | 4032071 | 2017-12-14 11:52:04 -0800 | [diff] [blame] | 1332 | break; |
| 1333 | } |
| 1334 | case JdwpProvider::kInternal: { |
| 1335 | if (runtime_options.Exists(Opt::JdwpOptions)) { |
| 1336 | JDWP::JdwpOptions ops; |
| 1337 | if (!JDWP::ParseJdwpOptions(runtime_options.GetOrDefault(Opt::JdwpOptions), &ops)) { |
| 1338 | LOG(ERROR) << "failed to parse jdwp options!"; |
| 1339 | return false; |
| 1340 | } |
| 1341 | Dbg::ConfigureJdwp(ops); |
| 1342 | } |
| 1343 | break; |
| 1344 | } |
Alex Light | fbf9670 | 2017-12-14 13:27:13 -0800 | [diff] [blame] | 1345 | case JdwpProvider::kAdbConnection: { |
| 1346 | constexpr const char* plugin_name = kIsDebugBuild ? "libadbconnectiond.so" |
| 1347 | : "libadbconnection.so"; |
| 1348 | plugins_.push_back(Plugin::Create(plugin_name)); |
Alex Light | baac7e4 | 2018-06-08 15:30:11 +0000 | [diff] [blame] | 1349 | break; |
| 1350 | } |
| 1351 | case JdwpProvider::kUnset: { |
| 1352 | LOG(FATAL) << "Illegal jdwp provider " << jdwp_provider_ << " was not filtered out!"; |
| 1353 | break; |
Alex Light | fbf9670 | 2017-12-14 13:27:13 -0800 | [diff] [blame] | 1354 | } |
Sebastien Hertz | 3be6e9d | 2015-02-05 16:30:58 +0100 | [diff] [blame] | 1355 | } |
Andreas Gampe | ac30fa2 | 2017-01-18 21:02:36 -0800 | [diff] [blame] | 1356 | callbacks_->AddThreadLifecycleCallback(Dbg::GetThreadLifecycleCallback()); |
| 1357 | callbacks_->AddClassLoadCallback(Dbg::GetClassLoadCallback()); |
Sebastien Hertz | 3be6e9d | 2015-02-05 16:30:58 +0100 | [diff] [blame] | 1358 | |
Mathieu Chartier | 455f67c | 2015-03-17 13:48:29 -0700 | [diff] [blame] | 1359 | jit_options_.reset(jit::JitOptions::CreateFromRuntimeArguments(runtime_options)); |
Mathieu Chartier | 455f67c | 2015-03-17 13:48:29 -0700 | [diff] [blame] | 1360 | if (IsAotCompiler()) { |
Mathieu Chartier | e5f13e5 | 2015-02-24 09:37:21 -0800 | [diff] [blame] | 1361 | // If we are already the compiler at this point, we must be dex2oat. Don't create the jit in |
| 1362 | // this case. |
| 1363 | // 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] | 1364 | // null and we don't create the jit. |
Calin Juravle | ffc8707 | 2016-04-20 14:22:09 +0100 | [diff] [blame] | 1365 | jit_options_->SetUseJitCompilation(false); |
| 1366 | jit_options_->SetSaveProfilingInfo(false); |
Mathieu Chartier | e5f13e5 | 2015-02-24 09:37:21 -0800 | [diff] [blame] | 1367 | } |
| 1368 | |
Mathieu Chartier | c6201fa | 2015-03-12 10:06:33 -0700 | [diff] [blame] | 1369 | // Use MemMap arena pool for jit, malloc otherwise. Malloc arenas are faster to allocate but |
| 1370 | // can't be trimmed as easily. |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 1371 | const bool use_malloc = IsAotCompiler(); |
David Sehr | 3215fff | 2018-04-03 17:10:12 -0700 | [diff] [blame] | 1372 | if (use_malloc) { |
| 1373 | arena_pool_.reset(new MallocArenaPool()); |
| 1374 | jit_arena_pool_.reset(new MallocArenaPool()); |
| 1375 | } else { |
Andreas Gampe | 98ea9d9 | 2018-10-19 14:06:15 -0700 | [diff] [blame] | 1376 | arena_pool_.reset(new MemMapArenaPool(/* low_4gb= */ false)); |
| 1377 | jit_arena_pool_.reset(new MemMapArenaPool(/* low_4gb= */ false, "CompilerMetadata")); |
David Sehr | 3215fff | 2018-04-03 17:10:12 -0700 | [diff] [blame] | 1378 | } |
Nicolas Geoffray | 25e0456 | 2016-03-01 13:17:58 +0000 | [diff] [blame] | 1379 | |
Mathieu Chartier | 017ed0b | 2015-09-22 11:04:26 -0700 | [diff] [blame] | 1380 | if (IsAotCompiler() && Is64BitInstructionSet(kRuntimeISA)) { |
Mathieu Chartier | c785344 | 2015-03-27 14:35:38 -0700 | [diff] [blame] | 1381 | // 4gb, no malloc. Explanation in header. |
Andreas Gampe | 98ea9d9 | 2018-10-19 14:06:15 -0700 | [diff] [blame] | 1382 | low_4gb_arena_pool_.reset(new MemMapArenaPool(/* low_4gb= */ true)); |
Mathieu Chartier | c785344 | 2015-03-27 14:35:38 -0700 | [diff] [blame] | 1383 | } |
Mathieu Chartier | 951ec2c | 2015-09-22 08:50:05 -0700 | [diff] [blame] | 1384 | linear_alloc_.reset(CreateLinearAlloc()); |
Mathieu Chartier | c6201fa | 2015-03-12 10:06:33 -0700 | [diff] [blame] | 1385 | |
Dave Allison | 3d14eb6 | 2014-07-10 01:54:57 +0000 | [diff] [blame] | 1386 | BlockSignals(); |
| 1387 | InitPlatformSignalHandlers(); |
| 1388 | |
Dave Allison | 69dfe51 | 2014-07-11 17:11:58 +0000 | [diff] [blame] | 1389 | // Change the implicit checks flags based on runtime architecture. |
| 1390 | switch (kRuntimeISA) { |
Vladimir Marko | 33bff25 | 2017-11-01 14:35:42 +0000 | [diff] [blame] | 1391 | case InstructionSet::kArm: |
| 1392 | case InstructionSet::kThumb2: |
| 1393 | case InstructionSet::kX86: |
| 1394 | case InstructionSet::kArm64: |
| 1395 | case InstructionSet::kX86_64: |
| 1396 | case InstructionSet::kMips: |
| 1397 | case InstructionSet::kMips64: |
Dave Allison | 69dfe51 | 2014-07-11 17:11:58 +0000 | [diff] [blame] | 1398 | implicit_null_checks_ = true; |
Roland Levillain | 05e34f4 | 2018-05-24 13:19:05 +0000 | [diff] [blame] | 1399 | // Historical note: Installing stack protection was not playing well with Valgrind. |
| 1400 | implicit_so_checks_ = true; |
Dave Allison | 69dfe51 | 2014-07-11 17:11:58 +0000 | [diff] [blame] | 1401 | break; |
| 1402 | default: |
| 1403 | // Keep the defaults. |
| 1404 | break; |
| 1405 | } |
| 1406 | |
Calin Juravle | 01aaf6e | 2015-06-19 22:05:39 +0100 | [diff] [blame] | 1407 | if (!no_sig_chain_) { |
| 1408 | // Dex2Oat's Runtime does not need the signal chain or the fault handler. |
Calin Juravle | 01aaf6e | 2015-06-19 22:05:39 +0100 | [diff] [blame] | 1409 | if (implicit_null_checks_ || implicit_so_checks_ || implicit_suspend_checks_) { |
| 1410 | fault_manager.Init(); |
Dave Allison | 69dfe51 | 2014-07-11 17:11:58 +0000 | [diff] [blame] | 1411 | |
Calin Juravle | 01aaf6e | 2015-06-19 22:05:39 +0100 | [diff] [blame] | 1412 | // These need to be in a specific order. The null point check handler must be |
| 1413 | // after the suspend check and stack overflow check handlers. |
| 1414 | // |
Roland Levillain | 05e34f4 | 2018-05-24 13:19:05 +0000 | [diff] [blame] | 1415 | // Note: the instances attach themselves to the fault manager and are handled by it. The |
| 1416 | // manager will delete the instance on Shutdown(). |
Calin Juravle | 01aaf6e | 2015-06-19 22:05:39 +0100 | [diff] [blame] | 1417 | if (implicit_suspend_checks_) { |
| 1418 | new SuspensionHandler(&fault_manager); |
| 1419 | } |
Dave Allison | 69dfe51 | 2014-07-11 17:11:58 +0000 | [diff] [blame] | 1420 | |
Calin Juravle | 01aaf6e | 2015-06-19 22:05:39 +0100 | [diff] [blame] | 1421 | if (implicit_so_checks_) { |
| 1422 | new StackOverflowHandler(&fault_manager); |
| 1423 | } |
Dave Allison | 69dfe51 | 2014-07-11 17:11:58 +0000 | [diff] [blame] | 1424 | |
Calin Juravle | 01aaf6e | 2015-06-19 22:05:39 +0100 | [diff] [blame] | 1425 | if (implicit_null_checks_) { |
| 1426 | new NullPointerHandler(&fault_manager); |
| 1427 | } |
| 1428 | |
| 1429 | if (kEnableJavaStackTraceHandler) { |
| 1430 | new JavaStackTraceHandler(&fault_manager); |
| 1431 | } |
Dave Allison | 69dfe51 | 2014-07-11 17:11:58 +0000 | [diff] [blame] | 1432 | } |
| 1433 | } |
| 1434 | |
Andreas Gampe | 0b0ffc1 | 2018-08-01 14:41:27 -0700 | [diff] [blame] | 1435 | verifier_logging_threshold_ms_ = runtime_options.GetOrDefault(Opt::VerifierLoggingThreshold); |
| 1436 | |
Richard Uhler | da0a69e | 2016-10-11 15:06:38 +0100 | [diff] [blame] | 1437 | std::string error_msg; |
| 1438 | java_vm_ = JavaVMExt::Create(this, runtime_options, &error_msg); |
| 1439 | if (java_vm_.get() == nullptr) { |
| 1440 | LOG(ERROR) << "Could not initialize JavaVMExt: " << error_msg; |
| 1441 | return false; |
| 1442 | } |
Elliott Hughes | 515a5bc | 2011-08-17 11:08:34 -0700 | [diff] [blame] | 1443 | |
Alex Light | 185d134 | 2016-08-11 10:48:03 -0700 | [diff] [blame] | 1444 | // Add the JniEnv handler. |
| 1445 | // TODO Refactor this stuff. |
| 1446 | java_vm_->AddEnvironmentHook(JNIEnvExt::GetEnvHandler); |
| 1447 | |
Elliott Hughes | be759c6 | 2011-09-08 19:38:21 -0700 | [diff] [blame] | 1448 | Thread::Startup(); |
Elliott Hughes | d92bec4 | 2011-09-02 17:04:36 -0700 | [diff] [blame] | 1449 | |
Mathieu Chartier | 664bebf | 2012-11-12 16:54:11 -0800 | [diff] [blame] | 1450 | // ClassLinker needs an attached thread, but we can't fully attach a thread without creating |
| 1451 | // objects. We can't supply a thread group yet; it will be fixed later. Since we are the main |
| 1452 | // thread, we do not get a java peer. |
Ian Rogers | 6355745 | 2014-06-04 16:57:15 -0700 | [diff] [blame] | 1453 | Thread* self = Thread::Attach("main", false, nullptr, false); |
Ian Rogers | dd7624d | 2014-03-14 17:43:00 -0700 | [diff] [blame] | 1454 | CHECK_EQ(self->GetThreadId(), ThreadList::kMainThreadId); |
Ian Rogers | 6355745 | 2014-06-04 16:57:15 -0700 | [diff] [blame] | 1455 | CHECK(self != nullptr); |
Brian Carlstrom | 6ea095a | 2011-08-16 15:26:54 -0700 | [diff] [blame] | 1456 | |
Alex Light | e9f6103 | 2018-09-24 16:04:51 -0700 | [diff] [blame] | 1457 | self->SetIsRuntimeThread(IsAotCompiler()); |
Calin Juravle | ccd5695 | 2016-12-15 17:57:38 +0000 | [diff] [blame] | 1458 | |
Brian Carlstrom | f28bc5b | 2011-10-26 01:15:03 -0700 | [diff] [blame] | 1459 | // 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] | 1460 | self->TransitionFromSuspendedToRunnable(); |
Brian Carlstrom | f28bc5b | 2011-10-26 01:15:03 -0700 | [diff] [blame] | 1461 | |
Ian Rogers | a436fde | 2013-08-27 23:34:06 -0700 | [diff] [blame] | 1462 | // 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] | 1463 | GetHeap()->EnableObjectValidation(); |
| 1464 | |
Ian Rogers | 1d54e73 | 2013-05-02 21:10:01 -0700 | [diff] [blame] | 1465 | CHECK_GE(GetHeap()->GetContinuousSpaces().size(), 1U); |
Chang Xing | 605fe24 | 2017-07-20 15:57:21 -0700 | [diff] [blame] | 1466 | if (UNLIKELY(IsAotCompiler())) { |
| 1467 | class_linker_ = new AotClassLinker(intern_table_); |
| 1468 | } else { |
| 1469 | class_linker_ = new ClassLinker(intern_table_); |
| 1470 | } |
Jeff Hao | dcdc85b | 2015-12-04 14:06:18 -0800 | [diff] [blame] | 1471 | if (GetHeap()->HasBootImageSpace()) { |
Mathieu Chartier | fbc3108 | 2016-01-24 11:59:56 -0800 | [diff] [blame] | 1472 | bool result = class_linker_->InitFromBootImage(&error_msg); |
Andreas Gampe | 3db9c5d | 2015-11-17 11:52:46 -0800 | [diff] [blame] | 1473 | if (!result) { |
| 1474 | LOG(ERROR) << "Could not initialize from image: " << error_msg; |
| 1475 | return false; |
| 1476 | } |
Hiroshi Yamauchi | bd0fb61 | 2014-05-20 13:46:00 -0700 | [diff] [blame] | 1477 | if (kIsDebugBuild) { |
Jeff Hao | dcdc85b | 2015-12-04 14:06:18 -0800 | [diff] [blame] | 1478 | for (auto image_space : GetHeap()->GetBootImageSpaces()) { |
| 1479 | image_space->VerifyImageAllocations(); |
| 1480 | } |
Hiroshi Yamauchi | bd0fb61 | 2014-05-20 13:46:00 -0700 | [diff] [blame] | 1481 | } |
Sebastien Hertz | e6c143f | 2015-01-13 10:10:40 +0100 | [diff] [blame] | 1482 | if (boot_class_path_string_.empty()) { |
| 1483 | // The bootclasspath is not explicitly specified: construct it from the loaded dex files. |
| 1484 | const std::vector<const DexFile*>& boot_class_path = GetClassLinker()->GetBootClassPath(); |
| 1485 | std::vector<std::string> dex_locations; |
| 1486 | dex_locations.reserve(boot_class_path.size()); |
| 1487 | for (const DexFile* dex_file : boot_class_path) { |
| 1488 | dex_locations.push_back(dex_file->GetLocation()); |
| 1489 | } |
Andreas Gampe | 9186ced | 2016-12-12 14:28:21 -0800 | [diff] [blame] | 1490 | boot_class_path_string_ = android::base::Join(dex_locations, ':'); |
Sebastien Hertz | e6c143f | 2015-01-13 10:10:40 +0100 | [diff] [blame] | 1491 | } |
Vladimir Marko | cac5a7e | 2016-02-22 10:39:50 +0000 | [diff] [blame] | 1492 | { |
| 1493 | ScopedTrace trace2("AddImageStringsToTable"); |
Mathieu Chartier | 74ccee6 | 2018-10-10 10:30:29 -0700 | [diff] [blame] | 1494 | for (gc::space::ImageSpace* image_space : heap_->GetBootImageSpaces()) { |
| 1495 | GetInternTable()->AddImageStringsToTable(image_space, VoidFunctor()); |
| 1496 | } |
Vladimir Marko | cac5a7e | 2016-02-22 10:39:50 +0000 | [diff] [blame] | 1497 | } |
Nicolas Geoffray | 433b79a | 2017-01-30 20:54:45 +0000 | [diff] [blame] | 1498 | if (IsJavaDebuggable()) { |
| 1499 | // Now that we have loaded the boot image, deoptimize its methods if we are running |
| 1500 | // debuggable, as the code may have been compiled non-debuggable. |
| 1501 | DeoptimizeBootImage(); |
| 1502 | } |
Richard Uhler | c275259 | 2015-01-02 13:28:22 -0800 | [diff] [blame] | 1503 | } else { |
Alex Light | 64ad14d | 2014-08-19 14:23:13 -0700 | [diff] [blame] | 1504 | std::vector<std::string> dex_filenames; |
Ian Rogers | 6f3dbba | 2014-10-14 17:41:57 -0700 | [diff] [blame] | 1505 | Split(boot_class_path_string_, ':', &dex_filenames); |
Richard Uhler | c275259 | 2015-01-02 13:28:22 -0800 | [diff] [blame] | 1506 | |
| 1507 | std::vector<std::string> dex_locations; |
Igor Murashkin | aaebaa0 | 2015-01-26 10:55:53 -0800 | [diff] [blame] | 1508 | if (!runtime_options.Exists(Opt::BootClassPathLocations)) { |
Richard Uhler | c275259 | 2015-01-02 13:28:22 -0800 | [diff] [blame] | 1509 | dex_locations = dex_filenames; |
| 1510 | } else { |
Igor Murashkin | aaebaa0 | 2015-01-26 10:55:53 -0800 | [diff] [blame] | 1511 | dex_locations = runtime_options.GetOrDefault(Opt::BootClassPathLocations); |
Richard Uhler | c275259 | 2015-01-02 13:28:22 -0800 | [diff] [blame] | 1512 | CHECK_EQ(dex_filenames.size(), dex_locations.size()); |
| 1513 | } |
| 1514 | |
Richard Uhler | fbef44d | 2014-12-23 09:48:51 -0800 | [diff] [blame] | 1515 | std::vector<std::unique_ptr<const DexFile>> boot_class_path; |
Vladimir Marko | 9bdf108 | 2016-01-21 12:15:52 +0000 | [diff] [blame] | 1516 | if (runtime_options.Exists(Opt::BootClassPathDexList)) { |
| 1517 | boot_class_path.swap(*runtime_options.GetOrDefault(Opt::BootClassPathDexList)); |
| 1518 | } else { |
| 1519 | OpenDexFiles(dex_filenames, |
| 1520 | dex_locations, |
| 1521 | runtime_options.GetOrDefault(Opt::Image), |
| 1522 | &boot_class_path); |
| 1523 | } |
Jeff Hao | c7d1188 | 2015-02-03 15:08:39 -0800 | [diff] [blame] | 1524 | instruction_set_ = runtime_options.GetOrDefault(Opt::ImageInstructionSet); |
Andreas Gampe | 3db9c5d | 2015-11-17 11:52:46 -0800 | [diff] [blame] | 1525 | if (!class_linker_->InitWithoutImage(std::move(boot_class_path), &error_msg)) { |
| 1526 | LOG(ERROR) << "Could not initialize without image: " << error_msg; |
| 1527 | return false; |
| 1528 | } |
Igor Murashkin | aaebaa0 | 2015-01-26 10:55:53 -0800 | [diff] [blame] | 1529 | |
Alex Light | 64ad14d | 2014-08-19 14:23:13 -0700 | [diff] [blame] | 1530 | // TODO: Should we move the following to InitWithoutImage? |
Jeff Hao | c7d1188 | 2015-02-03 15:08:39 -0800 | [diff] [blame] | 1531 | SetInstructionSet(instruction_set_); |
Andreas Gampe | 8228cdf | 2017-05-30 15:03:54 -0700 | [diff] [blame] | 1532 | for (uint32_t i = 0; i < kCalleeSaveSize; i++) { |
| 1533 | CalleeSaveType type = CalleeSaveType(i); |
Alex Light | 64ad14d | 2014-08-19 14:23:13 -0700 | [diff] [blame] | 1534 | if (!HasCalleeSaveMethod(type)) { |
Ian Rogers | 6a3c1fc | 2014-10-31 00:33:20 -0700 | [diff] [blame] | 1535 | SetCalleeSaveMethod(CreateCalleeSaveMethod(), type); |
Alex Light | 64ad14d | 2014-08-19 14:23:13 -0700 | [diff] [blame] | 1536 | } |
| 1537 | } |
Igor Murashkin | a2cfee3 | 2015-01-07 16:37:24 -0800 | [diff] [blame] | 1538 | } |
| 1539 | |
Ian Rogers | 6355745 | 2014-06-04 16:57:15 -0700 | [diff] [blame] | 1540 | CHECK(class_linker_ != nullptr); |
Ian Rogers | c0542af | 2014-09-03 16:16:56 -0700 | [diff] [blame] | 1541 | |
Sameer Abu Asal | 51a5fb7 | 2013-02-19 14:25:01 -0800 | [diff] [blame] | 1542 | verifier::MethodVerifier::Init(); |
Brian Carlstrom | 6ea095a | 2011-08-16 15:26:54 -0700 | [diff] [blame] | 1543 | |
Andreas Gampe | f6a780a | 2015-04-02 18:51:05 -0700 | [diff] [blame] | 1544 | if (runtime_options.Exists(Opt::MethodTrace)) { |
| 1545 | trace_config_.reset(new TraceConfig()); |
| 1546 | trace_config_->trace_file = runtime_options.ReleaseOrDefault(Opt::MethodTraceFile); |
| 1547 | trace_config_->trace_file_size = runtime_options.ReleaseOrDefault(Opt::MethodTraceFileSize); |
| 1548 | trace_config_->trace_mode = Trace::TraceMode::kMethodTracing; |
Andreas Gampe | 40da286 | 2015-02-27 12:49:04 -0800 | [diff] [blame] | 1549 | trace_config_->trace_output_mode = runtime_options.Exists(Opt::MethodTraceStreaming) ? |
| 1550 | Trace::TraceOutputMode::kStreaming : |
| 1551 | Trace::TraceOutputMode::kFile; |
Andreas Gampe | f6a780a | 2015-04-02 18:51:05 -0700 | [diff] [blame] | 1552 | } |
jeffhao | b5e8185 | 2012-03-12 11:15:45 -0700 | [diff] [blame] | 1553 | |
Brian Carlstrom | 491ca9e | 2014-03-02 18:24:38 -0800 | [diff] [blame] | 1554 | // TODO: move this to just be an Trace::Start argument |
Igor Murashkin | aaebaa0 | 2015-01-26 10:55:53 -0800 | [diff] [blame] | 1555 | Trace::SetDefaultClockSource(runtime_options.GetOrDefault(Opt::ProfileClock)); |
Dave Allison | 0aded08 | 2013-11-07 13:15:11 -0800 | [diff] [blame] | 1556 | |
Vladimir Marko | c13fbd8 | 2018-06-04 16:16:28 +0100 | [diff] [blame] | 1557 | if (GetHeap()->HasBootImageSpace()) { |
| 1558 | const ImageHeader& image_header = GetHeap()->GetBootImageSpaces()[0]->GetImageHeader(); |
| 1559 | pre_allocated_OutOfMemoryError_when_throwing_exception_ = GcRoot<mirror::Throwable>( |
| 1560 | image_header.GetImageRoot(ImageHeader::kOomeWhenThrowingException)->AsThrowable()); |
| 1561 | DCHECK(pre_allocated_OutOfMemoryError_when_throwing_exception_.Read()->GetClass() |
| 1562 | ->DescriptorEquals("Ljava/lang/OutOfMemoryError;")); |
| 1563 | pre_allocated_OutOfMemoryError_when_throwing_oome_ = GcRoot<mirror::Throwable>( |
| 1564 | image_header.GetImageRoot(ImageHeader::kOomeWhenThrowingOome)->AsThrowable()); |
| 1565 | DCHECK(pre_allocated_OutOfMemoryError_when_throwing_oome_.Read()->GetClass() |
| 1566 | ->DescriptorEquals("Ljava/lang/OutOfMemoryError;")); |
| 1567 | pre_allocated_OutOfMemoryError_when_handling_stack_overflow_ = GcRoot<mirror::Throwable>( |
| 1568 | image_header.GetImageRoot(ImageHeader::kOomeWhenHandlingStackOverflow)->AsThrowable()); |
| 1569 | DCHECK(pre_allocated_OutOfMemoryError_when_handling_stack_overflow_.Read()->GetClass() |
| 1570 | ->DescriptorEquals("Ljava/lang/OutOfMemoryError;")); |
| 1571 | pre_allocated_NoClassDefFoundError_ = GcRoot<mirror::Throwable>( |
| 1572 | image_header.GetImageRoot(ImageHeader::kNoClassDefFoundError)->AsThrowable()); |
| 1573 | DCHECK(pre_allocated_NoClassDefFoundError_.Read()->GetClass() |
| 1574 | ->DescriptorEquals("Ljava/lang/NoClassDefFoundError;")); |
| 1575 | } else { |
| 1576 | // Pre-allocate an OutOfMemoryError for the case when we fail to |
| 1577 | // allocate the exception to be thrown. |
Vladimir Marko | dcfcce4 | 2018-06-27 10:00:28 +0000 | [diff] [blame] | 1578 | CreatePreAllocatedException(self, |
| 1579 | this, |
| 1580 | &pre_allocated_OutOfMemoryError_when_throwing_exception_, |
| 1581 | "Ljava/lang/OutOfMemoryError;", |
| 1582 | "OutOfMemoryError thrown while trying to throw an exception; " |
| 1583 | "no stack trace available"); |
Vladimir Marko | c13fbd8 | 2018-06-04 16:16:28 +0100 | [diff] [blame] | 1584 | // Pre-allocate an OutOfMemoryError for the double-OOME case. |
Vladimir Marko | dcfcce4 | 2018-06-27 10:00:28 +0000 | [diff] [blame] | 1585 | CreatePreAllocatedException(self, |
| 1586 | this, |
| 1587 | &pre_allocated_OutOfMemoryError_when_throwing_oome_, |
| 1588 | "Ljava/lang/OutOfMemoryError;", |
| 1589 | "OutOfMemoryError thrown while trying to throw OutOfMemoryError; " |
| 1590 | "no stack trace available"); |
Vladimir Marko | c13fbd8 | 2018-06-04 16:16:28 +0100 | [diff] [blame] | 1591 | // Pre-allocate an OutOfMemoryError for the case when we fail to |
| 1592 | // allocate while handling a stack overflow. |
Vladimir Marko | dcfcce4 | 2018-06-27 10:00:28 +0000 | [diff] [blame] | 1593 | CreatePreAllocatedException(self, |
| 1594 | this, |
| 1595 | &pre_allocated_OutOfMemoryError_when_handling_stack_overflow_, |
| 1596 | "Ljava/lang/OutOfMemoryError;", |
| 1597 | "OutOfMemoryError thrown while trying to handle a stack overflow; " |
| 1598 | "no stack trace available"); |
Ian Rogers | a436fde | 2013-08-27 23:34:06 -0700 | [diff] [blame] | 1599 | |
Vladimir Marko | c13fbd8 | 2018-06-04 16:16:28 +0100 | [diff] [blame] | 1600 | // Pre-allocate a NoClassDefFoundError for the common case of failing to find a system class |
| 1601 | // ahead of checking the application's class loader. |
Vladimir Marko | dcfcce4 | 2018-06-27 10:00:28 +0000 | [diff] [blame] | 1602 | CreatePreAllocatedException(self, |
| 1603 | this, |
| 1604 | &pre_allocated_NoClassDefFoundError_, |
| 1605 | "Ljava/lang/NoClassDefFoundError;", |
| 1606 | "Class not found using the boot class loader; " |
| 1607 | "no stack trace available"); |
Vladimir Marko | c13fbd8 | 2018-06-04 16:16:28 +0100 | [diff] [blame] | 1608 | } |
Ian Rogers | 6355745 | 2014-06-04 16:57:15 -0700 | [diff] [blame] | 1609 | |
Alex Light | 185d134 | 2016-08-11 10:48:03 -0700 | [diff] [blame] | 1610 | // Runtime initialization is largely done now. |
| 1611 | // We load plugins first since that can modify the runtime state slightly. |
| 1612 | // Load all plugins |
| 1613 | for (auto& plugin : plugins_) { |
| 1614 | std::string err; |
| 1615 | if (!plugin.Load(&err)) { |
| 1616 | LOG(FATAL) << plugin << " failed to load: " << err; |
| 1617 | } |
| 1618 | } |
| 1619 | |
Andreas Gampe | 855564b | 2014-07-25 02:32:19 -0700 | [diff] [blame] | 1620 | // Look for a native bridge. |
Andreas Gampe | 6be67ee | 2014-09-02 21:22:18 -0700 | [diff] [blame] | 1621 | // |
| 1622 | // The intended flow here is, in the case of a running system: |
| 1623 | // |
| 1624 | // Runtime::Init() (zygote): |
| 1625 | // LoadNativeBridge -> dlopen from cmd line parameter. |
| 1626 | // | |
| 1627 | // V |
| 1628 | // Runtime::Start() (zygote): |
| 1629 | // No-op wrt native bridge. |
| 1630 | // | |
| 1631 | // | start app |
| 1632 | // V |
| 1633 | // DidForkFromZygote(action) |
| 1634 | // action = kUnload -> dlclose native bridge. |
| 1635 | // action = kInitialize -> initialize library |
| 1636 | // |
| 1637 | // |
| 1638 | // The intended flow here is, in the case of a simple dalvikvm call: |
| 1639 | // |
| 1640 | // Runtime::Init(): |
| 1641 | // LoadNativeBridge -> dlopen from cmd line parameter. |
| 1642 | // | |
| 1643 | // V |
| 1644 | // Runtime::Start(): |
| 1645 | // DidForkFromZygote(kInitialize) -> try to initialize any native bridge given. |
| 1646 | // No-op wrt native bridge. |
Igor Murashkin | aaebaa0 | 2015-01-26 10:55:53 -0800 | [diff] [blame] | 1647 | { |
| 1648 | std::string native_bridge_file_name = runtime_options.ReleaseOrDefault(Opt::NativeBridge); |
| 1649 | is_native_bridge_loaded_ = LoadNativeBridge(native_bridge_file_name); |
| 1650 | } |
Calin Juravle | a68629e | 2014-08-22 12:53:59 +0100 | [diff] [blame] | 1651 | |
Alex Light | 7233c7e | 2016-07-28 10:07:45 -0700 | [diff] [blame] | 1652 | // Startup agents |
| 1653 | // TODO Maybe we should start a new thread to run these on. Investigate RI behavior more. |
Andreas Gampe | aadcbc6 | 2017-12-28 14:05:42 -0800 | [diff] [blame] | 1654 | for (auto& agent_spec : agent_specs_) { |
Alex Light | 7233c7e | 2016-07-28 10:07:45 -0700 | [diff] [blame] | 1655 | // TODO Check err |
| 1656 | int res = 0; |
| 1657 | std::string err = ""; |
Andreas Gampe | aadcbc6 | 2017-12-28 14:05:42 -0800 | [diff] [blame] | 1658 | ti::LoadError error; |
| 1659 | std::unique_ptr<ti::Agent> agent = agent_spec.Load(&res, &error, &err); |
| 1660 | |
| 1661 | if (agent != nullptr) { |
| 1662 | agents_.push_back(std::move(agent)); |
| 1663 | continue; |
Alex Light | 7233c7e | 2016-07-28 10:07:45 -0700 | [diff] [blame] | 1664 | } |
Andreas Gampe | aadcbc6 | 2017-12-28 14:05:42 -0800 | [diff] [blame] | 1665 | |
| 1666 | switch (error) { |
| 1667 | case ti::LoadError::kInitializationError: |
| 1668 | LOG(FATAL) << "Unable to initialize agent!"; |
| 1669 | UNREACHABLE(); |
| 1670 | |
| 1671 | case ti::LoadError::kLoadingError: |
| 1672 | LOG(ERROR) << "Unable to load an agent: " << err; |
| 1673 | continue; |
| 1674 | |
| 1675 | case ti::LoadError::kNoError: |
| 1676 | break; |
| 1677 | } |
| 1678 | LOG(FATAL) << "Unreachable"; |
| 1679 | UNREACHABLE(); |
Alex Light | 7233c7e | 2016-07-28 10:07:45 -0700 | [diff] [blame] | 1680 | } |
Andreas Gampe | 96eca78 | 2017-01-19 19:45:30 -0800 | [diff] [blame] | 1681 | { |
| 1682 | ScopedObjectAccess soa(self); |
| 1683 | callbacks_->NextRuntimePhase(RuntimePhaseCallback::RuntimePhase::kInitialAgents); |
| 1684 | } |
Alex Light | 7233c7e | 2016-07-28 10:07:45 -0700 | [diff] [blame] | 1685 | |
Elliott Hughes | 4dd9b4d | 2011-12-12 18:29:24 -0800 | [diff] [blame] | 1686 | VLOG(startup) << "Runtime::Init exiting"; |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 1687 | |
Nicolas Geoffray | 66ff8a8 | 2018-02-28 13:27:55 +0000 | [diff] [blame] | 1688 | // Set OnlyUseSystemOatFiles only after boot classpath has been set up. |
| 1689 | if (runtime_options.Exists(Opt::OnlyUseSystemOatFiles)) { |
| 1690 | oat_file_manager_->SetOnlyUseSystemOatFiles(); |
| 1691 | } |
| 1692 | |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 1693 | return true; |
| 1694 | } |
| 1695 | |
Andreas Gampe | c4baad2 | 2017-01-12 16:59:39 +0000 | [diff] [blame] | 1696 | static bool EnsureJvmtiPlugin(Runtime* runtime, |
| 1697 | std::vector<Plugin>* plugins, |
| 1698 | std::string* error_msg) { |
| 1699 | constexpr const char* plugin_name = kIsDebugBuild ? "libopenjdkjvmtid.so" : "libopenjdkjvmti.so"; |
| 1700 | |
| 1701 | // Is the plugin already loaded? |
Andreas Gampe | 96eca78 | 2017-01-19 19:45:30 -0800 | [diff] [blame] | 1702 | for (const Plugin& p : *plugins) { |
Andreas Gampe | c4baad2 | 2017-01-12 16:59:39 +0000 | [diff] [blame] | 1703 | if (p.GetLibrary() == plugin_name) { |
| 1704 | return true; |
| 1705 | } |
| 1706 | } |
| 1707 | |
Alex Light | f889c70 | 2018-02-23 15:25:45 -0800 | [diff] [blame] | 1708 | // TODO Rename Dbg::IsJdwpAllowed is IsDebuggingAllowed. |
| 1709 | DCHECK(Dbg::IsJdwpAllowed() || !runtime->IsJavaDebuggable()) |
| 1710 | << "Being debuggable requires that jdwp (i.e. debugging) is allowed."; |
Alex Light | 2ce6fc8 | 2017-12-18 16:42:36 -0800 | [diff] [blame] | 1711 | // Is the process debuggable? Otherwise, do not attempt to load the plugin unless we are |
| 1712 | // specifically allowed. |
Alex Light | f889c70 | 2018-02-23 15:25:45 -0800 | [diff] [blame] | 1713 | if (!Dbg::IsJdwpAllowed()) { |
| 1714 | *error_msg = "Process is not allowed to load openjdkjvmti plugin. Process must be debuggable"; |
Andreas Gampe | c4baad2 | 2017-01-12 16:59:39 +0000 | [diff] [blame] | 1715 | return false; |
| 1716 | } |
| 1717 | |
| 1718 | Plugin new_plugin = Plugin::Create(plugin_name); |
| 1719 | |
Andreas Gampe | c4baad2 | 2017-01-12 16:59:39 +0000 | [diff] [blame] | 1720 | if (!new_plugin.Load(error_msg)) { |
| 1721 | return false; |
| 1722 | } |
| 1723 | |
| 1724 | plugins->push_back(std::move(new_plugin)); |
| 1725 | return true; |
| 1726 | } |
| 1727 | |
Leonard Mosescu | eb84221 | 2016-10-06 17:26:36 -0700 | [diff] [blame] | 1728 | // Attach a new agent and add it to the list of runtime agents |
| 1729 | // |
| 1730 | // TODO: once we decide on the threading model for agents, |
| 1731 | // revisit this and make sure we're doing this on the right thread |
| 1732 | // (and we synchronize access to any shared data structures like "agents_") |
| 1733 | // |
Alex Light | f889c70 | 2018-02-23 15:25:45 -0800 | [diff] [blame] | 1734 | void Runtime::AttachAgent(JNIEnv* env, const std::string& agent_arg, jobject class_loader) { |
Andreas Gampe | c4baad2 | 2017-01-12 16:59:39 +0000 | [diff] [blame] | 1735 | std::string error_msg; |
Alex Light | f889c70 | 2018-02-23 15:25:45 -0800 | [diff] [blame] | 1736 | if (!EnsureJvmtiPlugin(this, &plugins_, &error_msg)) { |
Andreas Gampe | c4baad2 | 2017-01-12 16:59:39 +0000 | [diff] [blame] | 1737 | LOG(WARNING) << "Could not load plugin: " << error_msg; |
| 1738 | ScopedObjectAccess soa(Thread::Current()); |
| 1739 | ThrowIOException("%s", error_msg.c_str()); |
| 1740 | return; |
| 1741 | } |
| 1742 | |
Andreas Gampe | aadcbc6 | 2017-12-28 14:05:42 -0800 | [diff] [blame] | 1743 | ti::AgentSpec agent_spec(agent_arg); |
Leonard Mosescu | eb84221 | 2016-10-06 17:26:36 -0700 | [diff] [blame] | 1744 | |
| 1745 | int res = 0; |
Andreas Gampe | aadcbc6 | 2017-12-28 14:05:42 -0800 | [diff] [blame] | 1746 | ti::LoadError error; |
Andreas Gampe | 7b38e69 | 2017-12-28 19:18:28 -0800 | [diff] [blame] | 1747 | std::unique_ptr<ti::Agent> agent = agent_spec.Attach(env, class_loader, &res, &error, &error_msg); |
Leonard Mosescu | eb84221 | 2016-10-06 17:26:36 -0700 | [diff] [blame] | 1748 | |
Andreas Gampe | aadcbc6 | 2017-12-28 14:05:42 -0800 | [diff] [blame] | 1749 | if (agent != nullptr) { |
Leonard Mosescu | eb84221 | 2016-10-06 17:26:36 -0700 | [diff] [blame] | 1750 | agents_.push_back(std::move(agent)); |
| 1751 | } else { |
Andreas Gampe | aadcbc6 | 2017-12-28 14:05:42 -0800 | [diff] [blame] | 1752 | LOG(WARNING) << "Agent attach failed (result=" << error << ") : " << error_msg; |
Leonard Mosescu | eb84221 | 2016-10-06 17:26:36 -0700 | [diff] [blame] | 1753 | ScopedObjectAccess soa(Thread::Current()); |
Andreas Gampe | c4baad2 | 2017-01-12 16:59:39 +0000 | [diff] [blame] | 1754 | ThrowIOException("%s", error_msg.c_str()); |
Leonard Mosescu | eb84221 | 2016-10-06 17:26:36 -0700 | [diff] [blame] | 1755 | } |
| 1756 | } |
| 1757 | |
Elliott Hughes | 038a806 | 2011-09-18 14:12:41 -0700 | [diff] [blame] | 1758 | void Runtime::InitNativeMethods() { |
Elliott Hughes | 4dd9b4d | 2011-12-12 18:29:24 -0800 | [diff] [blame] | 1759 | VLOG(startup) << "Runtime::InitNativeMethods entering"; |
Elliott Hughes | ad7c2a3 | 2011-08-31 11:58:10 -0700 | [diff] [blame] | 1760 | Thread* self = Thread::Current(); |
| 1761 | JNIEnv* env = self->GetJniEnv(); |
| 1762 | |
Elliott Hughes | 418d20f | 2011-09-22 14:00:39 -0700 | [diff] [blame] | 1763 | // 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] | 1764 | CHECK_EQ(self->GetState(), kNative); |
Elliott Hughes | ad7c2a3 | 2011-08-31 11:58:10 -0700 | [diff] [blame] | 1765 | |
Andreas Gampe | d863be7 | 2017-09-12 12:02:28 -0700 | [diff] [blame] | 1766 | // Set up the native methods provided by the runtime itself. |
Elliott Hughes | ad7c2a3 | 2011-08-31 11:58:10 -0700 | [diff] [blame] | 1767 | RegisterRuntimeNativeMethods(env); |
| 1768 | |
Yi Kong | 0871cd7 | 2015-11-20 16:00:31 +0000 | [diff] [blame] | 1769 | // Initialize classes used in JNI. The initialization requires runtime native |
| 1770 | // methods to be loaded first. |
| 1771 | WellKnownClasses::Init(env); |
| 1772 | |
Narayan Kamath | d7b3c7f | 2015-11-18 09:49:10 +0000 | [diff] [blame] | 1773 | // 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] | 1774 | // a regular JNI_OnLoad. Most JNI libraries can just use System.loadLibrary, but |
| 1775 | // libcore can't because it's the library that implements System.loadLibrary! |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 1776 | { |
Dmitriy Ivanov | 44409d3 | 2015-11-11 14:18:55 -0800 | [diff] [blame] | 1777 | std::string error_msg; |
Andreas Gampe | 473191c | 2017-12-28 16:55:31 -0800 | [diff] [blame] | 1778 | if (!java_vm_->LoadNativeLibrary(env, "libjavacore.so", nullptr, &error_msg)) { |
Dmitriy Ivanov | 44409d3 | 2015-11-11 14:18:55 -0800 | [diff] [blame] | 1779 | LOG(FATAL) << "LoadNativeLibrary failed for \"libjavacore.so\": " << error_msg; |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 1780 | } |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 1781 | } |
Piotr Jastrzebski | 8ca9077 | 2015-04-24 09:18:00 +0100 | [diff] [blame] | 1782 | { |
Andreas Gampe | 10edbb1 | 2016-01-06 17:59:49 -0800 | [diff] [blame] | 1783 | constexpr const char* kOpenJdkLibrary = kIsDebugBuild |
| 1784 | ? "libopenjdkd.so" |
| 1785 | : "libopenjdk.so"; |
Dmitriy Ivanov | 3e38172 | 2015-11-23 17:40:11 -0800 | [diff] [blame] | 1786 | std::string error_msg; |
Andreas Gampe | 473191c | 2017-12-28 16:55:31 -0800 | [diff] [blame] | 1787 | if (!java_vm_->LoadNativeLibrary(env, kOpenJdkLibrary, nullptr, &error_msg)) { |
Andreas Gampe | 10edbb1 | 2016-01-06 17:59:49 -0800 | [diff] [blame] | 1788 | LOG(FATAL) << "LoadNativeLibrary failed for \"" << kOpenJdkLibrary << "\": " << error_msg; |
Piotr Jastrzebski | 8ca9077 | 2015-04-24 09:18:00 +0100 | [diff] [blame] | 1789 | } |
Piotr Jastrzebski | 8ca9077 | 2015-04-24 09:18:00 +0100 | [diff] [blame] | 1790 | } |
Ian Rogers | ef28b14 | 2012-11-30 14:22:18 -0800 | [diff] [blame] | 1791 | |
| 1792 | // Initialize well known classes that may invoke runtime native methods. |
| 1793 | WellKnownClasses::LateInit(env); |
| 1794 | |
Elliott Hughes | 4dd9b4d | 2011-12-12 18:29:24 -0800 | [diff] [blame] | 1795 | VLOG(startup) << "Runtime::InitNativeMethods exiting"; |
Elliott Hughes | ad7c2a3 | 2011-08-31 11:58:10 -0700 | [diff] [blame] | 1796 | } |
| 1797 | |
Jean-Philippe Halimi | ca76a1a | 2016-02-02 19:48:52 +0100 | [diff] [blame] | 1798 | void Runtime::ReclaimArenaPoolMemory() { |
| 1799 | arena_pool_->LockReclaimMemory(); |
| 1800 | } |
| 1801 | |
Ian Rogers | 365c102 | 2012-06-22 15:05:28 -0700 | [diff] [blame] | 1802 | void Runtime::InitThreadGroups(Thread* self) { |
| 1803 | JNIEnvExt* env = self->GetJniEnv(); |
| 1804 | ScopedJniEnvLocalRefState env_state(env); |
| 1805 | main_thread_group_ = |
Brian Carlstrom | 491ca9e | 2014-03-02 18:24:38 -0800 | [diff] [blame] | 1806 | env->NewGlobalRef(env->GetStaticObjectField( |
| 1807 | WellKnownClasses::java_lang_ThreadGroup, |
| 1808 | WellKnownClasses::java_lang_ThreadGroup_mainThreadGroup)); |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 1809 | CHECK(main_thread_group_ != nullptr || IsAotCompiler()); |
Ian Rogers | 365c102 | 2012-06-22 15:05:28 -0700 | [diff] [blame] | 1810 | system_thread_group_ = |
Brian Carlstrom | 491ca9e | 2014-03-02 18:24:38 -0800 | [diff] [blame] | 1811 | env->NewGlobalRef(env->GetStaticObjectField( |
| 1812 | WellKnownClasses::java_lang_ThreadGroup, |
| 1813 | WellKnownClasses::java_lang_ThreadGroup_systemThreadGroup)); |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 1814 | CHECK(system_thread_group_ != nullptr || IsAotCompiler()); |
Brian Carlstrom | 034f76b | 2012-08-01 15:51:58 -0700 | [diff] [blame] | 1815 | } |
| 1816 | |
| 1817 | jobject Runtime::GetMainThreadGroup() const { |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 1818 | CHECK(main_thread_group_ != nullptr || IsAotCompiler()); |
Brian Carlstrom | 034f76b | 2012-08-01 15:51:58 -0700 | [diff] [blame] | 1819 | return main_thread_group_; |
| 1820 | } |
| 1821 | |
| 1822 | jobject Runtime::GetSystemThreadGroup() const { |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 1823 | CHECK(system_thread_group_ != nullptr || IsAotCompiler()); |
Brian Carlstrom | 034f76b | 2012-08-01 15:51:58 -0700 | [diff] [blame] | 1824 | return system_thread_group_; |
Ian Rogers | 365c102 | 2012-06-22 15:05:28 -0700 | [diff] [blame] | 1825 | } |
| 1826 | |
Brian Carlstrom | ce88853 | 2013-10-10 00:32:58 -0700 | [diff] [blame] | 1827 | jobject Runtime::GetSystemClassLoader() const { |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 1828 | CHECK(system_class_loader_ != nullptr || IsAotCompiler()); |
Brian Carlstrom | ce88853 | 2013-10-10 00:32:58 -0700 | [diff] [blame] | 1829 | return system_class_loader_; |
| 1830 | } |
| 1831 | |
Elliott Hughes | ad7c2a3 | 2011-08-31 11:58:10 -0700 | [diff] [blame] | 1832 | void Runtime::RegisterRuntimeNativeMethods(JNIEnv* env) { |
Andreas Gampe | 277ccbd | 2014-11-03 21:36:10 -0800 | [diff] [blame] | 1833 | register_dalvik_system_DexFile(env); |
| 1834 | register_dalvik_system_VMDebug(env); |
| 1835 | register_dalvik_system_VMRuntime(env); |
| 1836 | register_dalvik_system_VMStack(env); |
| 1837 | register_dalvik_system_ZygoteHooks(env); |
| 1838 | register_java_lang_Class(env); |
Andreas Gampe | 277ccbd | 2014-11-03 21:36:10 -0800 | [diff] [blame] | 1839 | register_java_lang_Object(env); |
Narayan Kamath | bd2fed5 | 2017-01-25 10:46:54 +0000 | [diff] [blame] | 1840 | register_java_lang_invoke_MethodHandleImpl(env); |
Andreas Gampe | 277ccbd | 2014-11-03 21:36:10 -0800 | [diff] [blame] | 1841 | register_java_lang_ref_FinalizerReference(env); |
| 1842 | register_java_lang_reflect_Array(env); |
| 1843 | register_java_lang_reflect_Constructor(env); |
Neil Fuller | 0e84439 | 2016-09-08 13:43:31 +0100 | [diff] [blame] | 1844 | register_java_lang_reflect_Executable(env); |
Andreas Gampe | 277ccbd | 2014-11-03 21:36:10 -0800 | [diff] [blame] | 1845 | register_java_lang_reflect_Field(env); |
| 1846 | register_java_lang_reflect_Method(env); |
Neil Fuller | 60458a0 | 2016-09-01 15:32:44 +0100 | [diff] [blame] | 1847 | register_java_lang_reflect_Parameter(env); |
Andreas Gampe | 277ccbd | 2014-11-03 21:36:10 -0800 | [diff] [blame] | 1848 | register_java_lang_reflect_Proxy(env); |
| 1849 | register_java_lang_ref_Reference(env); |
Andreas Gampe | 277ccbd | 2014-11-03 21:36:10 -0800 | [diff] [blame] | 1850 | register_java_lang_String(env); |
Jeff Hao | 848f70a | 2014-01-15 13:49:50 -0800 | [diff] [blame] | 1851 | register_java_lang_StringFactory(env); |
Andreas Gampe | 277ccbd | 2014-11-03 21:36:10 -0800 | [diff] [blame] | 1852 | register_java_lang_System(env); |
| 1853 | register_java_lang_Thread(env); |
| 1854 | register_java_lang_Throwable(env); |
| 1855 | register_java_lang_VMClassLoader(env); |
| 1856 | register_java_util_concurrent_atomic_AtomicLong(env); |
Jeff Hao | 848f70a | 2014-01-15 13:49:50 -0800 | [diff] [blame] | 1857 | register_libcore_util_CharsetUtils(env); |
Andreas Gampe | 277ccbd | 2014-11-03 21:36:10 -0800 | [diff] [blame] | 1858 | register_org_apache_harmony_dalvik_ddmc_DdmServer(env); |
| 1859 | register_org_apache_harmony_dalvik_ddmc_DdmVmInternal(env); |
| 1860 | register_sun_misc_Unsafe(env); |
Elliott Hughes | ad7c2a3 | 2011-08-31 11:58:10 -0700 | [diff] [blame] | 1861 | } |
| 1862 | |
Nicolas Geoffray | 4e92c3c | 2017-05-08 09:34:26 +0100 | [diff] [blame] | 1863 | std::ostream& operator<<(std::ostream& os, const DeoptimizationKind& kind) { |
| 1864 | os << GetDeoptimizationKindName(kind); |
| 1865 | return os; |
| 1866 | } |
| 1867 | |
| 1868 | void Runtime::DumpDeoptimizations(std::ostream& os) { |
| 1869 | for (size_t i = 0; i <= static_cast<size_t>(DeoptimizationKind::kLast); ++i) { |
| 1870 | if (deoptimization_counts_[i] != 0) { |
| 1871 | os << "Number of " |
| 1872 | << GetDeoptimizationKindName(static_cast<DeoptimizationKind>(i)) |
| 1873 | << " deoptimizations: " |
| 1874 | << deoptimization_counts_[i] |
| 1875 | << "\n"; |
| 1876 | } |
| 1877 | } |
| 1878 | } |
| 1879 | |
Elliott Hughes | c967f78 | 2012-04-16 10:23:15 -0700 | [diff] [blame] | 1880 | void Runtime::DumpForSigQuit(std::ostream& os) { |
Elliott Hughes | cac6cc7 | 2011-11-03 20:31:21 -0700 | [diff] [blame] | 1881 | GetClassLinker()->DumpForSigQuit(os); |
| 1882 | GetInternTable()->DumpForSigQuit(os); |
Elliott Hughes | ae80b49 | 2012-04-24 10:43:17 -0700 | [diff] [blame] | 1883 | GetJavaVM()->DumpForSigQuit(os); |
Elliott Hughes | c967f78 | 2012-04-16 10:23:15 -0700 | [diff] [blame] | 1884 | GetHeap()->DumpForSigQuit(os); |
Nicolas Geoffray | 04680f3 | 2016-03-17 11:56:54 +0000 | [diff] [blame] | 1885 | oat_file_manager_->DumpForSigQuit(os); |
Nicolas Geoffray | aee2156 | 2015-12-15 16:39:44 +0000 | [diff] [blame] | 1886 | if (GetJit() != nullptr) { |
| 1887 | GetJit()->DumpForSigQuit(os); |
| 1888 | } else { |
| 1889 | os << "Running non JIT\n"; |
| 1890 | } |
Nicolas Geoffray | 4e92c3c | 2017-05-08 09:34:26 +0100 | [diff] [blame] | 1891 | DumpDeoptimizations(os); |
Mathieu Chartier | bad0267 | 2014-08-25 13:08:22 -0700 | [diff] [blame] | 1892 | TrackedAllocators::Dump(os); |
Elliott Hughes | 42ee142 | 2011-09-06 12:33:32 -0700 | [diff] [blame] | 1893 | os << "\n"; |
Elliott Hughes | 8daa092 | 2011-09-11 13:46:25 -0700 | [diff] [blame] | 1894 | |
Elliott Hughes | c967f78 | 2012-04-16 10:23:15 -0700 | [diff] [blame] | 1895 | thread_list_->DumpForSigQuit(os); |
Ian Rogers | 56edc43 | 2013-01-18 16:51:51 -0800 | [diff] [blame] | 1896 | BaseMutex::DumpAll(os); |
Andreas Gampe | a5814f9 | 2017-01-18 21:43:16 -0800 | [diff] [blame] | 1897 | |
| 1898 | // Inform anyone else who is interested in SigQuit. |
| 1899 | { |
| 1900 | ScopedObjectAccess soa(Thread::Current()); |
| 1901 | callbacks_->SigQuit(); |
| 1902 | } |
Elliott Hughes | e27955c | 2011-08-26 15:21:24 -0700 | [diff] [blame] | 1903 | } |
| 1904 | |
Elliott Hughes | 21a5bf2 | 2011-12-07 14:35:20 -0800 | [diff] [blame] | 1905 | void Runtime::DumpLockHolders(std::ostream& os) { |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 1906 | uint64_t mutator_lock_owner = Locks::mutator_lock_->GetExclusiveOwnerTid(); |
Elliott Hughes | 21a5bf2 | 2011-12-07 14:35:20 -0800 | [diff] [blame] | 1907 | pid_t thread_list_lock_owner = GetThreadList()->GetLockOwner(); |
| 1908 | pid_t classes_lock_owner = GetClassLinker()->GetClassesLockOwner(); |
| 1909 | pid_t dex_lock_owner = GetClassLinker()->GetDexLockOwner(); |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 1910 | if ((thread_list_lock_owner | classes_lock_owner | dex_lock_owner) != 0) { |
| 1911 | os << "Mutator lock exclusive owner tid: " << mutator_lock_owner << "\n" |
Elliott Hughes | 21a5bf2 | 2011-12-07 14:35:20 -0800 | [diff] [blame] | 1912 | << "ThreadList lock owner tid: " << thread_list_lock_owner << "\n" |
| 1913 | << "ClassLinker classes lock owner tid: " << classes_lock_owner << "\n" |
| 1914 | << "ClassLinker dex lock owner tid: " << dex_lock_owner << "\n"; |
| 1915 | } |
| 1916 | } |
| 1917 | |
Mathieu Chartier | 9ef78b5 | 2014-09-25 17:03:12 -0700 | [diff] [blame] | 1918 | void Runtime::SetStatsEnabled(bool new_state) { |
| 1919 | Thread* self = Thread::Current(); |
| 1920 | MutexLock mu(self, *Locks::instrument_entrypoints_lock_); |
Elliott Hughes | 9d5ccec | 2011-09-19 13:19:50 -0700 | [diff] [blame] | 1921 | if (new_state == true) { |
| 1922 | GetStats()->Clear(~0); |
| 1923 | // TODO: wouldn't it make more sense to clear _all_ threads' stats? |
Mathieu Chartier | 9ef78b5 | 2014-09-25 17:03:12 -0700 | [diff] [blame] | 1924 | self->GetStats()->Clear(~0); |
| 1925 | if (stats_enabled_ != new_state) { |
| 1926 | GetInstrumentation()->InstrumentQuickAllocEntryPointsLocked(); |
| 1927 | } |
| 1928 | } else if (stats_enabled_ != new_state) { |
| 1929 | GetInstrumentation()->UninstrumentQuickAllocEntryPointsLocked(); |
Elliott Hughes | 9d5ccec | 2011-09-19 13:19:50 -0700 | [diff] [blame] | 1930 | } |
| 1931 | stats_enabled_ = new_state; |
| 1932 | } |
| 1933 | |
| 1934 | void Runtime::ResetStats(int kinds) { |
| 1935 | GetStats()->Clear(kinds & 0xffff); |
| 1936 | // TODO: wouldn't it make more sense to clear _all_ threads' stats? |
| 1937 | Thread::Current()->GetStats()->Clear(kinds >> 16); |
| 1938 | } |
| 1939 | |
Elliott Hughes | 9d5ccec | 2011-09-19 13:19:50 -0700 | [diff] [blame] | 1940 | int32_t Runtime::GetStat(int kind) { |
| 1941 | RuntimeStats* stats; |
| 1942 | if (kind < (1<<16)) { |
| 1943 | stats = GetStats(); |
| 1944 | } else { |
| 1945 | stats = Thread::Current()->GetStats(); |
| 1946 | kind >>= 16; |
| 1947 | } |
| 1948 | switch (kind) { |
| 1949 | case KIND_ALLOCATED_OBJECTS: |
| 1950 | return stats->allocated_objects; |
| 1951 | case KIND_ALLOCATED_BYTES: |
| 1952 | return stats->allocated_bytes; |
| 1953 | case KIND_FREED_OBJECTS: |
| 1954 | return stats->freed_objects; |
| 1955 | case KIND_FREED_BYTES: |
| 1956 | return stats->freed_bytes; |
| 1957 | case KIND_GC_INVOCATIONS: |
| 1958 | return stats->gc_for_alloc_count; |
| 1959 | case KIND_CLASS_INIT_COUNT: |
| 1960 | return stats->class_init_count; |
| 1961 | case KIND_CLASS_INIT_TIME: |
| 1962 | // Convert ns to us, reduce to 32 bits. |
Elliott Hughes | 398f64b | 2012-03-26 18:05:48 -0700 | [diff] [blame] | 1963 | return static_cast<int>(stats->class_init_time_ns / 1000); |
Elliott Hughes | 9d5ccec | 2011-09-19 13:19:50 -0700 | [diff] [blame] | 1964 | case KIND_EXT_ALLOCATED_OBJECTS: |
| 1965 | case KIND_EXT_ALLOCATED_BYTES: |
| 1966 | case KIND_EXT_FREED_OBJECTS: |
| 1967 | case KIND_EXT_FREED_BYTES: |
| 1968 | return 0; // backward compatibility |
| 1969 | default: |
Elliott Hughes | 7b9d996 | 2012-04-20 18:48:18 -0700 | [diff] [blame] | 1970 | LOG(FATAL) << "Unknown statistic " << kind; |
Brian Carlstrom | 7934ac2 | 2013-07-26 10:54:15 -0700 | [diff] [blame] | 1971 | return -1; // unreachable |
Elliott Hughes | 9d5ccec | 2011-09-19 13:19:50 -0700 | [diff] [blame] | 1972 | } |
| 1973 | } |
| 1974 | |
Elliott Hughes | c1674ed | 2011-08-25 18:09:09 -0700 | [diff] [blame] | 1975 | void Runtime::BlockSignals() { |
Elliott Hughes | 457005c | 2012-04-16 13:54:25 -0700 | [diff] [blame] | 1976 | SignalSet signals; |
| 1977 | signals.Add(SIGPIPE); |
Elliott Hughes | c1674ed | 2011-08-25 18:09:09 -0700 | [diff] [blame] | 1978 | // SIGQUIT is used to dump the runtime's state (including stack traces). |
Elliott Hughes | 457005c | 2012-04-16 13:54:25 -0700 | [diff] [blame] | 1979 | signals.Add(SIGQUIT); |
Elliott Hughes | 0879504 | 2012-04-03 14:48:52 -0700 | [diff] [blame] | 1980 | // SIGUSR1 is used to initiate a GC. |
Elliott Hughes | 457005c | 2012-04-16 13:54:25 -0700 | [diff] [blame] | 1981 | signals.Add(SIGUSR1); |
| 1982 | signals.Block(); |
Elliott Hughes | c1674ed | 2011-08-25 18:09:09 -0700 | [diff] [blame] | 1983 | } |
| 1984 | |
Igor Murashkin | b1d8c31 | 2015-08-04 11:18:43 -0700 | [diff] [blame] | 1985 | 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] | 1986 | bool create_peer) { |
Mathieu Chartier | 32ce2ad | 2016-03-04 14:58:03 -0800 | [diff] [blame] | 1987 | ScopedTrace trace(__FUNCTION__); |
Andreas Gampe | 5677601 | 2018-01-26 17:40:55 -0800 | [diff] [blame] | 1988 | Thread* self = Thread::Attach(thread_name, as_daemon, thread_group, create_peer); |
| 1989 | // Run ThreadGroup.add to notify the group that this thread is now started. |
| 1990 | if (self != nullptr && create_peer && !IsAotCompiler()) { |
| 1991 | ScopedObjectAccess soa(self); |
| 1992 | self->NotifyThreadGroup(soa, thread_group); |
| 1993 | } |
| 1994 | return self != nullptr; |
Carl Shapiro | 61e019d | 2011-07-14 16:53:09 -0700 | [diff] [blame] | 1995 | } |
| 1996 | |
Elliott Hughes | d92bec4 | 2011-09-02 17:04:36 -0700 | [diff] [blame] | 1997 | void Runtime::DetachCurrentThread() { |
Mathieu Chartier | 32ce2ad | 2016-03-04 14:58:03 -0800 | [diff] [blame] | 1998 | ScopedTrace trace(__FUNCTION__); |
Brian Carlstrom | 4d57143 | 2012-05-16 00:21:41 -0700 | [diff] [blame] | 1999 | Thread* self = Thread::Current(); |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 2000 | if (self == nullptr) { |
Brian Carlstrom | 4d57143 | 2012-05-16 00:21:41 -0700 | [diff] [blame] | 2001 | LOG(FATAL) << "attempting to detach thread that is not attached"; |
| 2002 | } |
Ian Rogers | 0399dde | 2012-06-06 17:09:28 -0700 | [diff] [blame] | 2003 | if (self->HasManagedStack()) { |
Elliott Hughes | 22869a9 | 2012-03-27 14:08:24 -0700 | [diff] [blame] | 2004 | LOG(FATAL) << *Thread::Current() << " attempting to detach while still running code"; |
| 2005 | } |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 2006 | thread_list_->Unregister(self); |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 2007 | } |
| 2008 | |
Roland Levillain | 7b0e844 | 2018-04-11 18:27:47 +0100 | [diff] [blame] | 2009 | mirror::Throwable* Runtime::GetPreAllocatedOutOfMemoryErrorWhenThrowingException() { |
| 2010 | mirror::Throwable* oome = pre_allocated_OutOfMemoryError_when_throwing_exception_.Read(); |
Ian Rogers | 6355745 | 2014-06-04 16:57:15 -0700 | [diff] [blame] | 2011 | if (oome == nullptr) { |
Roland Levillain | 7b0e844 | 2018-04-11 18:27:47 +0100 | [diff] [blame] | 2012 | LOG(ERROR) << "Failed to return pre-allocated OOME-when-throwing-exception"; |
| 2013 | } |
| 2014 | return oome; |
| 2015 | } |
| 2016 | |
| 2017 | mirror::Throwable* Runtime::GetPreAllocatedOutOfMemoryErrorWhenThrowingOOME() { |
| 2018 | mirror::Throwable* oome = pre_allocated_OutOfMemoryError_when_throwing_oome_.Read(); |
| 2019 | if (oome == nullptr) { |
| 2020 | LOG(ERROR) << "Failed to return pre-allocated OOME-when-throwing-OOME"; |
| 2021 | } |
| 2022 | return oome; |
| 2023 | } |
| 2024 | |
| 2025 | mirror::Throwable* Runtime::GetPreAllocatedOutOfMemoryErrorWhenHandlingStackOverflow() { |
| 2026 | mirror::Throwable* oome = pre_allocated_OutOfMemoryError_when_handling_stack_overflow_.Read(); |
| 2027 | if (oome == nullptr) { |
| 2028 | LOG(ERROR) << "Failed to return pre-allocated OOME-when-handling-stack-overflow"; |
Ian Rogers | a436fde | 2013-08-27 23:34:06 -0700 | [diff] [blame] | 2029 | } |
Hiroshi Yamauchi | ab08811 | 2014-07-14 13:00:14 -0700 | [diff] [blame] | 2030 | return oome; |
Ian Rogers | a436fde | 2013-08-27 23:34:06 -0700 | [diff] [blame] | 2031 | } |
| 2032 | |
Ian Rogers | 6355745 | 2014-06-04 16:57:15 -0700 | [diff] [blame] | 2033 | mirror::Throwable* Runtime::GetPreAllocatedNoClassDefFoundError() { |
| 2034 | mirror::Throwable* ncdfe = pre_allocated_NoClassDefFoundError_.Read(); |
| 2035 | if (ncdfe == nullptr) { |
| 2036 | LOG(ERROR) << "Failed to return pre-allocated NoClassDefFoundError"; |
| 2037 | } |
| 2038 | return ncdfe; |
| 2039 | } |
| 2040 | |
Mathieu Chartier | bb87e0f | 2015-04-03 11:21:55 -0700 | [diff] [blame] | 2041 | void Runtime::VisitConstantRoots(RootVisitor* visitor) { |
Mathieu Chartier | e3b034a | 2015-05-31 14:29:23 -0700 | [diff] [blame] | 2042 | // Visiting the roots of these ArtMethods is not currently required since all the GcRoots are |
| 2043 | // null. |
| 2044 | BufferedRootVisitor<16> buffered_visitor(visitor, RootInfo(kRootVMInternal)); |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 2045 | const PointerSize pointer_size = GetClassLinker()->GetImagePointerSize(); |
Mathieu Chartier | e3b034a | 2015-05-31 14:29:23 -0700 | [diff] [blame] | 2046 | if (HasResolutionMethod()) { |
Mathieu Chartier | 1147b9b | 2015-09-14 18:50:08 -0700 | [diff] [blame] | 2047 | resolution_method_->VisitRoots(buffered_visitor, pointer_size); |
Mathieu Chartier | e3b034a | 2015-05-31 14:29:23 -0700 | [diff] [blame] | 2048 | } |
| 2049 | if (HasImtConflictMethod()) { |
Mathieu Chartier | 1147b9b | 2015-09-14 18:50:08 -0700 | [diff] [blame] | 2050 | imt_conflict_method_->VisitRoots(buffered_visitor, pointer_size); |
Mathieu Chartier | e3b034a | 2015-05-31 14:29:23 -0700 | [diff] [blame] | 2051 | } |
| 2052 | if (imt_unimplemented_method_ != nullptr) { |
Mathieu Chartier | 1147b9b | 2015-09-14 18:50:08 -0700 | [diff] [blame] | 2053 | imt_unimplemented_method_->VisitRoots(buffered_visitor, pointer_size); |
Mathieu Chartier | e3b034a | 2015-05-31 14:29:23 -0700 | [diff] [blame] | 2054 | } |
Andreas Gampe | 8228cdf | 2017-05-30 15:03:54 -0700 | [diff] [blame] | 2055 | for (uint32_t i = 0; i < kCalleeSaveSize; ++i) { |
Mathieu Chartier | e3b034a | 2015-05-31 14:29:23 -0700 | [diff] [blame] | 2056 | auto* m = reinterpret_cast<ArtMethod*>(callee_save_methods_[i]); |
| 2057 | if (m != nullptr) { |
Mathieu Chartier | 1147b9b | 2015-09-14 18:50:08 -0700 | [diff] [blame] | 2058 | m->VisitRoots(buffered_visitor, pointer_size); |
Mathieu Chartier | e3b034a | 2015-05-31 14:29:23 -0700 | [diff] [blame] | 2059 | } |
| 2060 | } |
Mathieu Chartier | 893263b | 2014-03-04 11:07:42 -0800 | [diff] [blame] | 2061 | } |
| 2062 | |
Mathieu Chartier | bb87e0f | 2015-04-03 11:21:55 -0700 | [diff] [blame] | 2063 | void Runtime::VisitConcurrentRoots(RootVisitor* visitor, VisitRootFlags flags) { |
| 2064 | intern_table_->VisitRoots(visitor, flags); |
| 2065 | class_linker_->VisitRoots(visitor, flags); |
Man Cao | 1ed11b9 | 2015-06-11 22:47:35 -0700 | [diff] [blame] | 2066 | heap_->VisitAllocationRecords(visitor); |
Mathieu Chartier | 893263b | 2014-03-04 11:07:42 -0800 | [diff] [blame] | 2067 | if ((flags & kVisitRootFlagNewRoots) == 0) { |
| 2068 | // Guaranteed to have no new roots in the constant roots. |
Mathieu Chartier | bb87e0f | 2015-04-03 11:21:55 -0700 | [diff] [blame] | 2069 | VisitConstantRoots(visitor); |
Mathieu Chartier | 893263b | 2014-03-04 11:07:42 -0800 | [diff] [blame] | 2070 | } |
Mathieu Chartier | a6b1ead | 2015-10-06 10:32:38 -0700 | [diff] [blame] | 2071 | Dbg::VisitRoots(visitor); |
Mathieu Chartier | 893263b | 2014-03-04 11:07:42 -0800 | [diff] [blame] | 2072 | } |
| 2073 | |
Mathieu Chartier | bb87e0f | 2015-04-03 11:21:55 -0700 | [diff] [blame] | 2074 | void Runtime::VisitTransactionRoots(RootVisitor* visitor) { |
Chang Xing | 605fe24 | 2017-07-20 15:57:21 -0700 | [diff] [blame] | 2075 | for (auto& transaction : preinitialization_transactions_) { |
| 2076 | transaction->VisitRoots(visitor); |
Hiroshi Yamauchi | 2cd334a | 2015-01-09 14:03:35 -0800 | [diff] [blame] | 2077 | } |
| 2078 | } |
| 2079 | |
Mathieu Chartier | bb87e0f | 2015-04-03 11:21:55 -0700 | [diff] [blame] | 2080 | void Runtime::VisitNonThreadRoots(RootVisitor* visitor) { |
| 2081 | java_vm_->VisitRoots(visitor); |
| 2082 | sentinel_.VisitRootIfNonNull(visitor, RootInfo(kRootVMInternal)); |
Roland Levillain | 7b0e844 | 2018-04-11 18:27:47 +0100 | [diff] [blame] | 2083 | pre_allocated_OutOfMemoryError_when_throwing_exception_ |
| 2084 | .VisitRootIfNonNull(visitor, RootInfo(kRootVMInternal)); |
| 2085 | pre_allocated_OutOfMemoryError_when_throwing_oome_ |
| 2086 | .VisitRootIfNonNull(visitor, RootInfo(kRootVMInternal)); |
| 2087 | pre_allocated_OutOfMemoryError_when_handling_stack_overflow_ |
| 2088 | .VisitRootIfNonNull(visitor, RootInfo(kRootVMInternal)); |
Mathieu Chartier | bb87e0f | 2015-04-03 11:21:55 -0700 | [diff] [blame] | 2089 | pre_allocated_NoClassDefFoundError_.VisitRootIfNonNull(visitor, RootInfo(kRootVMInternal)); |
Vladimir Marko | f75613c | 2018-06-05 12:51:04 +0100 | [diff] [blame] | 2090 | VisitImageRoots(visitor); |
Mathieu Chartier | bb87e0f | 2015-04-03 11:21:55 -0700 | [diff] [blame] | 2091 | verifier::MethodVerifier::VisitStaticRoots(visitor); |
| 2092 | VisitTransactionRoots(visitor); |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 2093 | } |
| 2094 | |
Andreas Gampe | 585da95 | 2016-12-02 14:52:29 -0800 | [diff] [blame] | 2095 | void Runtime::VisitNonConcurrentRoots(RootVisitor* visitor, VisitRootFlags flags) { |
| 2096 | VisitThreadRoots(visitor, flags); |
Mathieu Chartier | bb87e0f | 2015-04-03 11:21:55 -0700 | [diff] [blame] | 2097 | VisitNonThreadRoots(visitor); |
Mathieu Chartier | 858f1c5 | 2012-10-17 17:45:55 -0700 | [diff] [blame] | 2098 | } |
| 2099 | |
Andreas Gampe | 585da95 | 2016-12-02 14:52:29 -0800 | [diff] [blame] | 2100 | void Runtime::VisitThreadRoots(RootVisitor* visitor, VisitRootFlags flags) { |
| 2101 | thread_list_->VisitRoots(visitor, flags); |
Hiroshi Yamauchi | 2cd334a | 2015-01-09 14:03:35 -0800 | [diff] [blame] | 2102 | } |
| 2103 | |
Mathieu Chartier | bb87e0f | 2015-04-03 11:21:55 -0700 | [diff] [blame] | 2104 | void Runtime::VisitRoots(RootVisitor* visitor, VisitRootFlags flags) { |
Andreas Gampe | 585da95 | 2016-12-02 14:52:29 -0800 | [diff] [blame] | 2105 | VisitNonConcurrentRoots(visitor, flags); |
Mathieu Chartier | bb87e0f | 2015-04-03 11:21:55 -0700 | [diff] [blame] | 2106 | VisitConcurrentRoots(visitor, flags); |
Mathieu Chartier | 9ebae1f | 2012-10-15 17:38:16 -0700 | [diff] [blame] | 2107 | } |
| 2108 | |
Mathieu Chartier | bb87e0f | 2015-04-03 11:21:55 -0700 | [diff] [blame] | 2109 | void Runtime::VisitImageRoots(RootVisitor* visitor) { |
Mathieu Chartier | 461687d | 2015-03-31 12:05:24 -0700 | [diff] [blame] | 2110 | for (auto* space : GetHeap()->GetContinuousSpaces()) { |
| 2111 | if (space->IsImageSpace()) { |
| 2112 | auto* image_space = space->AsImageSpace(); |
| 2113 | const auto& image_header = image_space->GetImageHeader(); |
Vladimir Marko | eca3eda | 2016-11-09 16:26:44 +0000 | [diff] [blame] | 2114 | for (int32_t i = 0, size = image_header.GetImageRoots()->GetLength(); i != size; ++i) { |
Vladimir Marko | c13fbd8 | 2018-06-04 16:16:28 +0100 | [diff] [blame] | 2115 | mirror::Object* obj = |
| 2116 | image_header.GetImageRoot(static_cast<ImageHeader::ImageRoot>(i)).Ptr(); |
Mathieu Chartier | 461687d | 2015-03-31 12:05:24 -0700 | [diff] [blame] | 2117 | if (obj != nullptr) { |
Vladimir Marko | c13fbd8 | 2018-06-04 16:16:28 +0100 | [diff] [blame] | 2118 | mirror::Object* after_obj = obj; |
Mathieu Chartier | bb87e0f | 2015-04-03 11:21:55 -0700 | [diff] [blame] | 2119 | visitor->VisitRoot(&after_obj, RootInfo(kRootStickyClass)); |
Mathieu Chartier | 461687d | 2015-03-31 12:05:24 -0700 | [diff] [blame] | 2120 | CHECK_EQ(after_obj, obj); |
| 2121 | } |
| 2122 | } |
| 2123 | } |
| 2124 | } |
| 2125 | } |
| 2126 | |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 2127 | static ArtMethod* CreateRuntimeMethod(ClassLinker* class_linker, LinearAlloc* linear_alloc) { |
| 2128 | const PointerSize image_pointer_size = class_linker->GetImagePointerSize(); |
| 2129 | const size_t method_alignment = ArtMethod::Alignment(image_pointer_size); |
| 2130 | const size_t method_size = ArtMethod::Size(image_pointer_size); |
| 2131 | LengthPrefixedArray<ArtMethod>* method_array = class_linker->AllocArtMethodArray( |
| 2132 | Thread::Current(), |
| 2133 | linear_alloc, |
| 2134 | 1); |
| 2135 | ArtMethod* method = &method_array->At(0, method_size, method_alignment); |
| 2136 | CHECK(method != nullptr); |
Andreas Gampe | e2abbc6 | 2017-09-15 11:59:26 -0700 | [diff] [blame] | 2137 | method->SetDexMethodIndex(dex::kDexNoIndex); |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 2138 | CHECK(method->IsRuntimeMethod()); |
| 2139 | return method; |
| 2140 | } |
| 2141 | |
Nicolas Geoffray | 796d630 | 2016-03-13 22:22:31 +0000 | [diff] [blame] | 2142 | ArtMethod* Runtime::CreateImtConflictMethod(LinearAlloc* linear_alloc) { |
Mathieu Chartier | 91288d8 | 2016-04-28 09:44:54 -0700 | [diff] [blame] | 2143 | ClassLinker* const class_linker = GetClassLinker(); |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 2144 | ArtMethod* method = CreateRuntimeMethod(class_linker, linear_alloc); |
Jeff Hao | 88474b4 | 2013-10-23 16:24:40 -0700 | [diff] [blame] | 2145 | // 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] | 2146 | const PointerSize pointer_size = GetInstructionSetPointerSize(instruction_set_); |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 2147 | if (IsAotCompiler()) { |
Jeff Hao | c7d1188 | 2015-02-03 15:08:39 -0800 | [diff] [blame] | 2148 | method->SetEntryPointFromQuickCompiledCodePtrSize(nullptr, pointer_size); |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 2149 | } else { |
Ian Rogers | 6f3dbba | 2014-10-14 17:41:57 -0700 | [diff] [blame] | 2150 | method->SetEntryPointFromQuickCompiledCode(GetQuickImtConflictStub()); |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 2151 | } |
Mathieu Chartier | 91288d8 | 2016-04-28 09:44:54 -0700 | [diff] [blame] | 2152 | // Create empty conflict table. |
Andreas Gampe | 98ea9d9 | 2018-10-19 14:06:15 -0700 | [diff] [blame] | 2153 | method->SetImtConflictTable(class_linker->CreateImtConflictTable(/*count=*/0u, linear_alloc), |
Mathieu Chartier | 91288d8 | 2016-04-28 09:44:54 -0700 | [diff] [blame] | 2154 | pointer_size); |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 2155 | return method; |
Jeff Hao | 88474b4 | 2013-10-23 16:24:40 -0700 | [diff] [blame] | 2156 | } |
| 2157 | |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 2158 | void Runtime::SetImtConflictMethod(ArtMethod* method) { |
| 2159 | CHECK(method != nullptr); |
| 2160 | CHECK(method->IsRuntimeMethod()); |
| 2161 | imt_conflict_method_ = method; |
Mathieu Chartier | e5f13e5 | 2015-02-24 09:37:21 -0800 | [diff] [blame] | 2162 | } |
| 2163 | |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 2164 | ArtMethod* Runtime::CreateResolutionMethod() { |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 2165 | auto* method = CreateRuntimeMethod(GetClassLinker(), GetLinearAlloc()); |
Jeff Hao | 58df327 | 2013-04-22 15:28:53 -0700 | [diff] [blame] | 2166 | // 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] | 2167 | if (IsAotCompiler()) { |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 2168 | PointerSize pointer_size = GetInstructionSetPointerSize(instruction_set_); |
Jeff Hao | c7d1188 | 2015-02-03 15:08:39 -0800 | [diff] [blame] | 2169 | method->SetEntryPointFromQuickCompiledCodePtrSize(nullptr, pointer_size); |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 2170 | } else { |
Ian Rogers | 6f3dbba | 2014-10-14 17:41:57 -0700 | [diff] [blame] | 2171 | method->SetEntryPointFromQuickCompiledCode(GetQuickResolutionStub()); |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 2172 | } |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 2173 | return method; |
Ian Rogers | 1984651 | 2012-02-24 11:42:47 -0800 | [diff] [blame] | 2174 | } |
| 2175 | |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 2176 | ArtMethod* Runtime::CreateCalleeSaveMethod() { |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 2177 | auto* method = CreateRuntimeMethod(GetClassLinker(), GetLinearAlloc()); |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 2178 | PointerSize pointer_size = GetInstructionSetPointerSize(instruction_set_); |
Jeff Hao | c7d1188 | 2015-02-03 15:08:39 -0800 | [diff] [blame] | 2179 | method->SetEntryPointFromQuickCompiledCodePtrSize(nullptr, pointer_size); |
Vladimir Marko | 33bff25 | 2017-11-01 14:35:42 +0000 | [diff] [blame] | 2180 | DCHECK_NE(instruction_set_, InstructionSet::kNone); |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 2181 | DCHECK(method->IsRuntimeMethod()); |
| 2182 | return method; |
Ian Rogers | ff1ed47 | 2011-09-20 13:46:24 -0700 | [diff] [blame] | 2183 | } |
| 2184 | |
Mathieu Chartier | c11d9b8 | 2013-09-19 10:01:59 -0700 | [diff] [blame] | 2185 | void Runtime::DisallowNewSystemWeaks() { |
Hiroshi Yamauchi | fdbd13c | 2015-09-02 16:16:58 -0700 | [diff] [blame] | 2186 | CHECK(!kUseReadBarrier); |
Mathieu Chartier | c11d9b8 | 2013-09-19 10:01:59 -0700 | [diff] [blame] | 2187 | monitor_list_->DisallowNewMonitors(); |
Mathieu Chartier | 14c3bf9 | 2015-07-13 14:35:43 -0700 | [diff] [blame] | 2188 | intern_table_->ChangeWeakRootState(gc::kWeakRootStateNoReadsOrWrites); |
Mathieu Chartier | c11d9b8 | 2013-09-19 10:01:59 -0700 | [diff] [blame] | 2189 | java_vm_->DisallowNewWeakGlobals(); |
Man Cao | 42c3c33 | 2015-06-23 16:38:25 -0700 | [diff] [blame] | 2190 | heap_->DisallowNewAllocationRecords(); |
Nicolas Geoffray | e51ca8b | 2016-11-22 14:49:31 +0000 | [diff] [blame] | 2191 | if (GetJit() != nullptr) { |
| 2192 | GetJit()->GetCodeCache()->DisallowInlineCacheAccess(); |
| 2193 | } |
Andreas Gampe | fda5714 | 2016-09-08 20:29:18 -0700 | [diff] [blame] | 2194 | |
| 2195 | // All other generic system-weak holders. |
| 2196 | for (gc::AbstractSystemWeakHolder* holder : system_weak_holders_) { |
| 2197 | holder->Disallow(); |
| 2198 | } |
Mathieu Chartier | c11d9b8 | 2013-09-19 10:01:59 -0700 | [diff] [blame] | 2199 | } |
| 2200 | |
| 2201 | void Runtime::AllowNewSystemWeaks() { |
Hiroshi Yamauchi | fdbd13c | 2015-09-02 16:16:58 -0700 | [diff] [blame] | 2202 | CHECK(!kUseReadBarrier); |
Mathieu Chartier | c11d9b8 | 2013-09-19 10:01:59 -0700 | [diff] [blame] | 2203 | monitor_list_->AllowNewMonitors(); |
Mathieu Chartier | 90ef3db | 2015-08-04 15:19:41 -0700 | [diff] [blame] | 2204 | intern_table_->ChangeWeakRootState(gc::kWeakRootStateNormal); // TODO: Do this in the sweeping. |
Mathieu Chartier | c11d9b8 | 2013-09-19 10:01:59 -0700 | [diff] [blame] | 2205 | java_vm_->AllowNewWeakGlobals(); |
Man Cao | 42c3c33 | 2015-06-23 16:38:25 -0700 | [diff] [blame] | 2206 | heap_->AllowNewAllocationRecords(); |
Nicolas Geoffray | e51ca8b | 2016-11-22 14:49:31 +0000 | [diff] [blame] | 2207 | if (GetJit() != nullptr) { |
| 2208 | GetJit()->GetCodeCache()->AllowInlineCacheAccess(); |
| 2209 | } |
Andreas Gampe | fda5714 | 2016-09-08 20:29:18 -0700 | [diff] [blame] | 2210 | |
| 2211 | // All other generic system-weak holders. |
| 2212 | for (gc::AbstractSystemWeakHolder* holder : system_weak_holders_) { |
| 2213 | holder->Allow(); |
| 2214 | } |
Mathieu Chartier | c11d9b8 | 2013-09-19 10:01:59 -0700 | [diff] [blame] | 2215 | } |
| 2216 | |
Hiroshi Yamauchi | 3049324 | 2016-11-03 13:06:52 -0700 | [diff] [blame] | 2217 | void Runtime::BroadcastForNewSystemWeaks(bool broadcast_for_checkpoint) { |
Hiroshi Yamauchi | fdbd13c | 2015-09-02 16:16:58 -0700 | [diff] [blame] | 2218 | // This is used for the read barrier case that uses the thread-local |
Hiroshi Yamauchi | 3049324 | 2016-11-03 13:06:52 -0700 | [diff] [blame] | 2219 | // Thread::GetWeakRefAccessEnabled() flag and the checkpoint while weak ref access is disabled |
| 2220 | // (see ThreadList::RunCheckpoint). |
Hiroshi Yamauchi | 0b71357 | 2015-06-16 18:29:23 -0700 | [diff] [blame] | 2221 | monitor_list_->BroadcastForNewMonitors(); |
| 2222 | intern_table_->BroadcastForNewInterns(); |
| 2223 | java_vm_->BroadcastForNewWeakGlobals(); |
Hiroshi Yamauchi | fdbd13c | 2015-09-02 16:16:58 -0700 | [diff] [blame] | 2224 | heap_->BroadcastForNewAllocationRecords(); |
Nicolas Geoffray | e51ca8b | 2016-11-22 14:49:31 +0000 | [diff] [blame] | 2225 | if (GetJit() != nullptr) { |
| 2226 | GetJit()->GetCodeCache()->BroadcastForInlineCacheAccess(); |
| 2227 | } |
Andreas Gampe | fda5714 | 2016-09-08 20:29:18 -0700 | [diff] [blame] | 2228 | |
| 2229 | // All other generic system-weak holders. |
| 2230 | for (gc::AbstractSystemWeakHolder* holder : system_weak_holders_) { |
Hiroshi Yamauchi | 3049324 | 2016-11-03 13:06:52 -0700 | [diff] [blame] | 2231 | holder->Broadcast(broadcast_for_checkpoint); |
Andreas Gampe | fda5714 | 2016-09-08 20:29:18 -0700 | [diff] [blame] | 2232 | } |
Hiroshi Yamauchi | 0b71357 | 2015-06-16 18:29:23 -0700 | [diff] [blame] | 2233 | } |
| 2234 | |
Vladimir Marko | 7624d25 | 2014-05-02 14:40:15 +0100 | [diff] [blame] | 2235 | void Runtime::SetInstructionSet(InstructionSet instruction_set) { |
| 2236 | instruction_set_ = instruction_set; |
Vladimir Marko | d3083dd | 2018-05-17 08:43:47 +0100 | [diff] [blame] | 2237 | switch (instruction_set) { |
| 2238 | case InstructionSet::kThumb2: |
| 2239 | // kThumb2 is the same as kArm, use the canonical value. |
| 2240 | instruction_set_ = InstructionSet::kArm; |
| 2241 | break; |
| 2242 | case InstructionSet::kArm: |
| 2243 | case InstructionSet::kArm64: |
| 2244 | case InstructionSet::kMips: |
| 2245 | case InstructionSet::kMips64: |
| 2246 | case InstructionSet::kX86: |
| 2247 | case InstructionSet::kX86_64: |
| 2248 | break; |
| 2249 | default: |
| 2250 | UNIMPLEMENTED(FATAL) << instruction_set_; |
| 2251 | UNREACHABLE(); |
Vladimir Marko | 7624d25 | 2014-05-02 14:40:15 +0100 | [diff] [blame] | 2252 | } |
| 2253 | } |
| 2254 | |
Igor Murashkin | 8275fba | 2017-05-02 15:58:02 -0700 | [diff] [blame] | 2255 | void Runtime::ClearInstructionSet() { |
| 2256 | instruction_set_ = InstructionSet::kNone; |
| 2257 | } |
| 2258 | |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 2259 | void Runtime::SetCalleeSaveMethod(ArtMethod* method, CalleeSaveType type) { |
Andreas Gampe | 8228cdf | 2017-05-30 15:03:54 -0700 | [diff] [blame] | 2260 | DCHECK_LT(static_cast<uint32_t>(type), kCalleeSaveSize); |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 2261 | CHECK(method != nullptr); |
Andreas Gampe | 8228cdf | 2017-05-30 15:03:54 -0700 | [diff] [blame] | 2262 | callee_save_methods_[static_cast<size_t>(type)] = reinterpret_cast<uintptr_t>(method); |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 2263 | } |
| 2264 | |
Igor Murashkin | 8275fba | 2017-05-02 15:58:02 -0700 | [diff] [blame] | 2265 | void Runtime::ClearCalleeSaveMethods() { |
Andreas Gampe | 8228cdf | 2017-05-30 15:03:54 -0700 | [diff] [blame] | 2266 | for (size_t i = 0; i < kCalleeSaveSize; ++i) { |
| 2267 | callee_save_methods_[i] = reinterpret_cast<uintptr_t>(nullptr); |
Igor Murashkin | 8275fba | 2017-05-02 15:58:02 -0700 | [diff] [blame] | 2268 | } |
| 2269 | } |
| 2270 | |
Calin Juravle | 66f5523 | 2015-12-08 15:09:10 +0000 | [diff] [blame] | 2271 | void Runtime::RegisterAppInfo(const std::vector<std::string>& code_paths, |
Calin Juravle | 77651c4 | 2017-03-03 18:04:02 -0800 | [diff] [blame] | 2272 | const std::string& profile_output_filename) { |
Calin Juravle | 5e2b971 | 2015-12-18 14:10:00 +0200 | [diff] [blame] | 2273 | if (jit_.get() == nullptr) { |
| 2274 | // We are not JITing. Nothing to do. |
| 2275 | return; |
Calin Juravle | 4d77b6a | 2015-12-01 18:38:09 +0000 | [diff] [blame] | 2276 | } |
Calin Juravle | 5e2b971 | 2015-12-18 14:10:00 +0200 | [diff] [blame] | 2277 | |
| 2278 | VLOG(profiler) << "Register app with " << profile_output_filename |
Andreas Gampe | 9186ced | 2016-12-12 14:28:21 -0800 | [diff] [blame] | 2279 | << " " << android::base::Join(code_paths, ':'); |
Calin Juravle | 5e2b971 | 2015-12-18 14:10:00 +0200 | [diff] [blame] | 2280 | |
| 2281 | if (profile_output_filename.empty()) { |
| 2282 | LOG(WARNING) << "JIT profile information will not be recorded: profile filename is empty."; |
| 2283 | return; |
| 2284 | } |
Andreas Gampe | 98ea9d9 | 2018-10-19 14:06:15 -0700 | [diff] [blame] | 2285 | if (!OS::FileExists(profile_output_filename.c_str(), /*check_file_type=*/ false)) { |
Calin Juravle | 5e2b971 | 2015-12-18 14:10:00 +0200 | [diff] [blame] | 2286 | LOG(WARNING) << "JIT profile information will not be recorded: profile file does not exits."; |
| 2287 | return; |
| 2288 | } |
| 2289 | if (code_paths.empty()) { |
| 2290 | LOG(WARNING) << "JIT profile information will not be recorded: code paths is empty."; |
| 2291 | return; |
| 2292 | } |
| 2293 | |
Calin Juravle | 77651c4 | 2017-03-03 18:04:02 -0800 | [diff] [blame] | 2294 | jit_->StartProfileSaver(profile_output_filename, code_paths); |
Dave Allison | 0aded08 | 2013-11-07 13:15:11 -0800 | [diff] [blame] | 2295 | } |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 2296 | |
| 2297 | // Transaction support. |
Chang Xing | 605fe24 | 2017-07-20 15:57:21 -0700 | [diff] [blame] | 2298 | bool Runtime::IsActiveTransaction() const { |
| 2299 | return !preinitialization_transactions_.empty() && !GetTransaction()->IsRollingBack(); |
| 2300 | } |
| 2301 | |
Chang Xing | 16d1dd8 | 2017-07-20 17:56:26 -0700 | [diff] [blame] | 2302 | void Runtime::EnterTransactionMode() { |
Mathieu Chartier | e5f13e5 | 2015-02-24 09:37:21 -0800 | [diff] [blame] | 2303 | DCHECK(IsAotCompiler()); |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 2304 | DCHECK(!IsActiveTransaction()); |
Chang Xing | 605fe24 | 2017-07-20 15:57:21 -0700 | [diff] [blame] | 2305 | preinitialization_transactions_.push_back(std::make_unique<Transaction>()); |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 2306 | } |
| 2307 | |
Chang Xing | 5a906fc | 2017-07-26 15:01:16 -0700 | [diff] [blame] | 2308 | void Runtime::EnterTransactionMode(bool strict, mirror::Class* root) { |
Chang Xing | cade5c3 | 2017-07-20 17:56:26 -0700 | [diff] [blame] | 2309 | DCHECK(IsAotCompiler()); |
Chang Xing | 605fe24 | 2017-07-20 15:57:21 -0700 | [diff] [blame] | 2310 | preinitialization_transactions_.push_back(std::make_unique<Transaction>(strict, root)); |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 2311 | } |
| 2312 | |
| 2313 | void Runtime::ExitTransactionMode() { |
Mathieu Chartier | e5f13e5 | 2015-02-24 09:37:21 -0800 | [diff] [blame] | 2314 | DCHECK(IsAotCompiler()); |
Chang Xing | 605fe24 | 2017-07-20 15:57:21 -0700 | [diff] [blame] | 2315 | DCHECK(IsActiveTransaction()); |
| 2316 | preinitialization_transactions_.pop_back(); |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 2317 | } |
| 2318 | |
Chang Xing | 16d1dd8 | 2017-07-20 17:56:26 -0700 | [diff] [blame] | 2319 | void Runtime::RollbackAndExitTransactionMode() { |
| 2320 | DCHECK(IsAotCompiler()); |
| 2321 | DCHECK(IsActiveTransaction()); |
Chang Xing | 605fe24 | 2017-07-20 15:57:21 -0700 | [diff] [blame] | 2322 | preinitialization_transactions_.back()->Rollback(); |
| 2323 | preinitialization_transactions_.pop_back(); |
Chang Xing | 16d1dd8 | 2017-07-20 17:56:26 -0700 | [diff] [blame] | 2324 | } |
| 2325 | |
Sebastien Hertz | 1c80bec | 2015-02-03 11:58:06 +0100 | [diff] [blame] | 2326 | bool Runtime::IsTransactionAborted() const { |
| 2327 | if (!IsActiveTransaction()) { |
| 2328 | return false; |
| 2329 | } else { |
Mathieu Chartier | 184c9dc | 2015-03-05 13:20:54 -0800 | [diff] [blame] | 2330 | DCHECK(IsAotCompiler()); |
Chang Xing | 605fe24 | 2017-07-20 15:57:21 -0700 | [diff] [blame] | 2331 | return GetTransaction()->IsAborted(); |
Sebastien Hertz | 1c80bec | 2015-02-03 11:58:06 +0100 | [diff] [blame] | 2332 | } |
| 2333 | } |
| 2334 | |
Chang Xing | 605fe24 | 2017-07-20 15:57:21 -0700 | [diff] [blame] | 2335 | void Runtime::RollbackAllTransactions() { |
| 2336 | // If transaction is aborted, all transactions will be kept in the list. |
| 2337 | // Rollback and exit all of them. |
| 2338 | while (IsActiveTransaction()) { |
| 2339 | RollbackAndExitTransactionMode(); |
Sebastien Hertz | 1c80bec | 2015-02-03 11:58:06 +0100 | [diff] [blame] | 2340 | } |
| 2341 | } |
| 2342 | |
Chang Xing | 5a906fc | 2017-07-26 15:01:16 -0700 | [diff] [blame] | 2343 | bool Runtime::IsActiveStrictTransactionMode() const { |
Chang Xing | 605fe24 | 2017-07-20 15:57:21 -0700 | [diff] [blame] | 2344 | return IsActiveTransaction() && GetTransaction()->IsStrict(); |
| 2345 | } |
| 2346 | |
| 2347 | const std::unique_ptr<Transaction>& Runtime::GetTransaction() const { |
| 2348 | DCHECK(!preinitialization_transactions_.empty()); |
| 2349 | return preinitialization_transactions_.back(); |
Chang Xing | 5a906fc | 2017-07-26 15:01:16 -0700 | [diff] [blame] | 2350 | } |
| 2351 | |
Sebastien Hertz | 2fd7e69 | 2015-04-02 11:11:19 +0200 | [diff] [blame] | 2352 | void Runtime::AbortTransactionAndThrowAbortError(Thread* self, const std::string& abort_message) { |
Mathieu Chartier | 184c9dc | 2015-03-05 13:20:54 -0800 | [diff] [blame] | 2353 | DCHECK(IsAotCompiler()); |
Sebastien Hertz | 1c80bec | 2015-02-03 11:58:06 +0100 | [diff] [blame] | 2354 | DCHECK(IsActiveTransaction()); |
Sebastien Hertz | bd9cf9f | 2015-03-03 12:16:13 +0100 | [diff] [blame] | 2355 | // Throwing an exception may cause its class initialization. If we mark the transaction |
| 2356 | // aborted before that, we may warn with a false alarm. Throwing the exception before |
| 2357 | // marking the transaction aborted avoids that. |
Chang Xing | 605fe24 | 2017-07-20 15:57:21 -0700 | [diff] [blame] | 2358 | // But now the transaction can be nested, and abort the transaction will relax the constraints |
| 2359 | // for constructing stack trace. |
| 2360 | GetTransaction()->Abort(abort_message); |
| 2361 | GetTransaction()->ThrowAbortError(self, &abort_message); |
Sebastien Hertz | 1c80bec | 2015-02-03 11:58:06 +0100 | [diff] [blame] | 2362 | } |
| 2363 | |
Sebastien Hertz | 2fd7e69 | 2015-04-02 11:11:19 +0200 | [diff] [blame] | 2364 | void Runtime::ThrowTransactionAbortError(Thread* self) { |
Mathieu Chartier | 184c9dc | 2015-03-05 13:20:54 -0800 | [diff] [blame] | 2365 | DCHECK(IsAotCompiler()); |
Sebastien Hertz | 1c80bec | 2015-02-03 11:58:06 +0100 | [diff] [blame] | 2366 | DCHECK(IsActiveTransaction()); |
Sebastien Hertz | b81e1cd | 2015-04-28 12:31:41 +0200 | [diff] [blame] | 2367 | // Passing nullptr means we rethrow an exception with the earlier transaction abort message. |
Chang Xing | 605fe24 | 2017-07-20 15:57:21 -0700 | [diff] [blame] | 2368 | GetTransaction()->ThrowAbortError(self, nullptr); |
Sebastien Hertz | 1c80bec | 2015-02-03 11:58:06 +0100 | [diff] [blame] | 2369 | } |
| 2370 | |
Igor Murashkin | b1d8c31 | 2015-08-04 11:18:43 -0700 | [diff] [blame] | 2371 | void Runtime::RecordWriteFieldBoolean(mirror::Object* obj, MemberOffset field_offset, |
| 2372 | uint8_t value, bool is_volatile) const { |
Mathieu Chartier | 184c9dc | 2015-03-05 13:20:54 -0800 | [diff] [blame] | 2373 | DCHECK(IsAotCompiler()); |
Fred Shih | 37f05ef | 2014-07-16 18:38:08 -0700 | [diff] [blame] | 2374 | DCHECK(IsActiveTransaction()); |
Chang Xing | 605fe24 | 2017-07-20 15:57:21 -0700 | [diff] [blame] | 2375 | GetTransaction()->RecordWriteFieldBoolean(obj, field_offset, value, is_volatile); |
Fred Shih | 37f05ef | 2014-07-16 18:38:08 -0700 | [diff] [blame] | 2376 | } |
| 2377 | |
Igor Murashkin | b1d8c31 | 2015-08-04 11:18:43 -0700 | [diff] [blame] | 2378 | void Runtime::RecordWriteFieldByte(mirror::Object* obj, MemberOffset field_offset, |
| 2379 | int8_t value, bool is_volatile) const { |
Mathieu Chartier | 184c9dc | 2015-03-05 13:20:54 -0800 | [diff] [blame] | 2380 | DCHECK(IsAotCompiler()); |
Fred Shih | 37f05ef | 2014-07-16 18:38:08 -0700 | [diff] [blame] | 2381 | DCHECK(IsActiveTransaction()); |
Chang Xing | 605fe24 | 2017-07-20 15:57:21 -0700 | [diff] [blame] | 2382 | GetTransaction()->RecordWriteFieldByte(obj, field_offset, value, is_volatile); |
Fred Shih | 37f05ef | 2014-07-16 18:38:08 -0700 | [diff] [blame] | 2383 | } |
| 2384 | |
Igor Murashkin | b1d8c31 | 2015-08-04 11:18:43 -0700 | [diff] [blame] | 2385 | void Runtime::RecordWriteFieldChar(mirror::Object* obj, MemberOffset field_offset, |
| 2386 | uint16_t value, bool is_volatile) const { |
Mathieu Chartier | 184c9dc | 2015-03-05 13:20:54 -0800 | [diff] [blame] | 2387 | DCHECK(IsAotCompiler()); |
Fred Shih | 37f05ef | 2014-07-16 18:38:08 -0700 | [diff] [blame] | 2388 | DCHECK(IsActiveTransaction()); |
Chang Xing | 605fe24 | 2017-07-20 15:57:21 -0700 | [diff] [blame] | 2389 | GetTransaction()->RecordWriteFieldChar(obj, field_offset, value, is_volatile); |
Fred Shih | 37f05ef | 2014-07-16 18:38:08 -0700 | [diff] [blame] | 2390 | } |
| 2391 | |
Igor Murashkin | b1d8c31 | 2015-08-04 11:18:43 -0700 | [diff] [blame] | 2392 | void Runtime::RecordWriteFieldShort(mirror::Object* obj, MemberOffset field_offset, |
| 2393 | int16_t value, bool is_volatile) const { |
Mathieu Chartier | 184c9dc | 2015-03-05 13:20:54 -0800 | [diff] [blame] | 2394 | DCHECK(IsAotCompiler()); |
Fred Shih | 37f05ef | 2014-07-16 18:38:08 -0700 | [diff] [blame] | 2395 | DCHECK(IsActiveTransaction()); |
Chang Xing | 605fe24 | 2017-07-20 15:57:21 -0700 | [diff] [blame] | 2396 | GetTransaction()->RecordWriteFieldShort(obj, field_offset, value, is_volatile); |
Fred Shih | 37f05ef | 2014-07-16 18:38:08 -0700 | [diff] [blame] | 2397 | } |
| 2398 | |
Igor Murashkin | b1d8c31 | 2015-08-04 11:18:43 -0700 | [diff] [blame] | 2399 | void Runtime::RecordWriteField32(mirror::Object* obj, MemberOffset field_offset, |
| 2400 | uint32_t value, bool is_volatile) const { |
Mathieu Chartier | e5f13e5 | 2015-02-24 09:37:21 -0800 | [diff] [blame] | 2401 | DCHECK(IsAotCompiler()); |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 2402 | DCHECK(IsActiveTransaction()); |
Chang Xing | 605fe24 | 2017-07-20 15:57:21 -0700 | [diff] [blame] | 2403 | GetTransaction()->RecordWriteField32(obj, field_offset, value, is_volatile); |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 2404 | } |
| 2405 | |
Igor Murashkin | b1d8c31 | 2015-08-04 11:18:43 -0700 | [diff] [blame] | 2406 | void Runtime::RecordWriteField64(mirror::Object* obj, MemberOffset field_offset, |
| 2407 | uint64_t value, bool is_volatile) const { |
Mathieu Chartier | e5f13e5 | 2015-02-24 09:37:21 -0800 | [diff] [blame] | 2408 | DCHECK(IsAotCompiler()); |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 2409 | DCHECK(IsActiveTransaction()); |
Chang Xing | 605fe24 | 2017-07-20 15:57:21 -0700 | [diff] [blame] | 2410 | GetTransaction()->RecordWriteField64(obj, field_offset, value, is_volatile); |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 2411 | } |
| 2412 | |
Mathieu Chartier | a058fdf | 2016-10-06 15:13:58 -0700 | [diff] [blame] | 2413 | void Runtime::RecordWriteFieldReference(mirror::Object* obj, |
| 2414 | MemberOffset field_offset, |
| 2415 | ObjPtr<mirror::Object> value, |
| 2416 | bool is_volatile) const { |
Mathieu Chartier | e5f13e5 | 2015-02-24 09:37:21 -0800 | [diff] [blame] | 2417 | DCHECK(IsAotCompiler()); |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 2418 | DCHECK(IsActiveTransaction()); |
Chang Xing | 605fe24 | 2017-07-20 15:57:21 -0700 | [diff] [blame] | 2419 | GetTransaction()->RecordWriteFieldReference(obj, |
Mathieu Chartier | a058fdf | 2016-10-06 15:13:58 -0700 | [diff] [blame] | 2420 | field_offset, |
| 2421 | value.Ptr(), |
| 2422 | is_volatile); |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 2423 | } |
| 2424 | |
| 2425 | 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] | 2426 | DCHECK(IsAotCompiler()); |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 2427 | DCHECK(IsActiveTransaction()); |
Chang Xing | 605fe24 | 2017-07-20 15:57:21 -0700 | [diff] [blame] | 2428 | GetTransaction()->RecordWriteArray(array, index, value); |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 2429 | } |
| 2430 | |
Mathieu Chartier | 9e86809 | 2016-10-31 14:58:04 -0700 | [diff] [blame] | 2431 | void Runtime::RecordStrongStringInsertion(ObjPtr<mirror::String> s) const { |
Mathieu Chartier | e5f13e5 | 2015-02-24 09:37:21 -0800 | [diff] [blame] | 2432 | DCHECK(IsAotCompiler()); |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 2433 | DCHECK(IsActiveTransaction()); |
Chang Xing | 605fe24 | 2017-07-20 15:57:21 -0700 | [diff] [blame] | 2434 | GetTransaction()->RecordStrongStringInsertion(s); |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 2435 | } |
| 2436 | |
Mathieu Chartier | 9e86809 | 2016-10-31 14:58:04 -0700 | [diff] [blame] | 2437 | void Runtime::RecordWeakStringInsertion(ObjPtr<mirror::String> s) const { |
Mathieu Chartier | e5f13e5 | 2015-02-24 09:37:21 -0800 | [diff] [blame] | 2438 | DCHECK(IsAotCompiler()); |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 2439 | DCHECK(IsActiveTransaction()); |
Chang Xing | 605fe24 | 2017-07-20 15:57:21 -0700 | [diff] [blame] | 2440 | GetTransaction()->RecordWeakStringInsertion(s); |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 2441 | } |
| 2442 | |
Mathieu Chartier | 9e86809 | 2016-10-31 14:58:04 -0700 | [diff] [blame] | 2443 | void Runtime::RecordStrongStringRemoval(ObjPtr<mirror::String> s) const { |
Mathieu Chartier | e5f13e5 | 2015-02-24 09:37:21 -0800 | [diff] [blame] | 2444 | DCHECK(IsAotCompiler()); |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 2445 | DCHECK(IsActiveTransaction()); |
Chang Xing | 605fe24 | 2017-07-20 15:57:21 -0700 | [diff] [blame] | 2446 | GetTransaction()->RecordStrongStringRemoval(s); |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 2447 | } |
| 2448 | |
Mathieu Chartier | 9e86809 | 2016-10-31 14:58:04 -0700 | [diff] [blame] | 2449 | void Runtime::RecordWeakStringRemoval(ObjPtr<mirror::String> s) const { |
Mathieu Chartier | e5f13e5 | 2015-02-24 09:37:21 -0800 | [diff] [blame] | 2450 | DCHECK(IsAotCompiler()); |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 2451 | DCHECK(IsActiveTransaction()); |
Chang Xing | 605fe24 | 2017-07-20 15:57:21 -0700 | [diff] [blame] | 2452 | GetTransaction()->RecordWeakStringRemoval(s); |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 2453 | } |
Mathieu Chartier | 15d3402 | 2014-02-26 17:16:38 -0800 | [diff] [blame] | 2454 | |
Andreas Gampe | 8a0128a | 2016-11-28 07:38:35 -0800 | [diff] [blame] | 2455 | void Runtime::RecordResolveString(ObjPtr<mirror::DexCache> dex_cache, |
| 2456 | dex::StringIndex string_idx) const { |
Mathieu Chartier | bb816d6 | 2016-09-07 10:17:46 -0700 | [diff] [blame] | 2457 | DCHECK(IsAotCompiler()); |
| 2458 | DCHECK(IsActiveTransaction()); |
Chang Xing | 605fe24 | 2017-07-20 15:57:21 -0700 | [diff] [blame] | 2459 | GetTransaction()->RecordResolveString(dex_cache, string_idx); |
Mathieu Chartier | bb816d6 | 2016-09-07 10:17:46 -0700 | [diff] [blame] | 2460 | } |
| 2461 | |
Mathieu Chartier | 15d3402 | 2014-02-26 17:16:38 -0800 | [diff] [blame] | 2462 | void Runtime::SetFaultMessage(const std::string& message) { |
| 2463 | MutexLock mu(Thread::Current(), fault_message_lock_); |
| 2464 | fault_message_ = message; |
| 2465 | } |
Brian Carlstrom | 491ca9e | 2014-03-02 18:24:38 -0800 | [diff] [blame] | 2466 | |
Igor Murashkin | b1d8c31 | 2015-08-04 11:18:43 -0700 | [diff] [blame] | 2467 | void Runtime::AddCurrentRuntimeFeaturesAsDex2OatArguments(std::vector<std::string>* argv) |
Ian Rogers | 8afeb85 | 2014-04-02 14:55:49 -0700 | [diff] [blame] | 2468 | const { |
Nicolas Geoffray | c6b1b93 | 2016-03-22 09:52:40 +0000 | [diff] [blame] | 2469 | if (GetInstrumentation()->InterpretOnly()) { |
Nicolas Geoffray | 49cda06 | 2017-04-21 13:08:25 +0100 | [diff] [blame] | 2470 | argv->push_back("--compiler-filter=quicken"); |
Ian Rogers | 9bc5440 | 2014-04-17 16:40:01 -0700 | [diff] [blame] | 2471 | } |
| 2472 | |
Ian Rogers | 8afeb85 | 2014-04-02 14:55:49 -0700 | [diff] [blame] | 2473 | // Make the dex2oat instruction set match that of the launching runtime. If we have multiple |
| 2474 | // architecture support, dex2oat may be compiled as a different instruction-set than that |
| 2475 | // currently being executed. |
Ian Rogers | b9beb2e | 2014-05-09 16:57:40 -0700 | [diff] [blame] | 2476 | std::string instruction_set("--instruction-set="); |
| 2477 | instruction_set += GetInstructionSetString(kRuntimeISA); |
| 2478 | argv->push_back(instruction_set); |
Ian Rogers | 8afeb85 | 2014-04-02 14:55:49 -0700 | [diff] [blame] | 2479 | |
Ian Rogers | 6f3dbba | 2014-10-14 17:41:57 -0700 | [diff] [blame] | 2480 | std::unique_ptr<const InstructionSetFeatures> features(InstructionSetFeatures::FromCppDefines()); |
| 2481 | std::string feature_string("--instruction-set-features="); |
| 2482 | feature_string += features->GetFeatureString(); |
| 2483 | argv->push_back(feature_string); |
Ian Rogers | 8afeb85 | 2014-04-02 14:55:49 -0700 | [diff] [blame] | 2484 | } |
| 2485 | |
Mathieu Chartier | e5f13e5 | 2015-02-24 09:37:21 -0800 | [diff] [blame] | 2486 | void Runtime::CreateJit() { |
Mathieu Chartier | 455f67c | 2015-03-17 13:48:29 -0700 | [diff] [blame] | 2487 | CHECK(!IsAotCompiler()); |
Calin Juravle | af36e49 | 2016-04-27 18:50:45 +0100 | [diff] [blame] | 2488 | if (kIsDebugBuild && GetInstrumentation()->IsForcedInterpretOnly()) { |
| 2489 | DCHECK(!jit_options_->UseJitCompilation()); |
Hiroshi Yamauchi | 02d2f29 | 2015-04-03 13:35:16 -0700 | [diff] [blame] | 2490 | } |
Mathieu Chartier | e5f13e5 | 2015-02-24 09:37:21 -0800 | [diff] [blame] | 2491 | std::string error_msg; |
| 2492 | jit_.reset(jit::Jit::Create(jit_options_.get(), &error_msg)); |
Nicolas Geoffray | 274fe4a | 2016-04-12 16:33:24 +0100 | [diff] [blame] | 2493 | if (jit_.get() == nullptr) { |
Mathieu Chartier | e5f13e5 | 2015-02-24 09:37:21 -0800 | [diff] [blame] | 2494 | LOG(WARNING) << "Failed to create JIT " << error_msg; |
Calin Juravle | 9545f6d | 2017-03-16 19:05:09 -0700 | [diff] [blame] | 2495 | return; |
| 2496 | } |
Mathieu Chartier | e5f13e5 | 2015-02-24 09:37:21 -0800 | [diff] [blame] | 2497 | } |
| 2498 | |
Andreas Gampe | 4585f87 | 2015-03-27 23:45:15 -0700 | [diff] [blame] | 2499 | bool Runtime::CanRelocate() const { |
Vladimir Marko | 4df2d80 | 2018-09-27 16:42:44 +0000 | [diff] [blame] | 2500 | return !IsAotCompiler(); |
Andreas Gampe | 4585f87 | 2015-03-27 23:45:15 -0700 | [diff] [blame] | 2501 | } |
| 2502 | |
| 2503 | bool Runtime::IsCompilingBootImage() const { |
| 2504 | return IsCompiler() && compiler_callbacks_->IsBootImage(); |
| 2505 | } |
| 2506 | |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 2507 | void Runtime::SetResolutionMethod(ArtMethod* method) { |
| 2508 | CHECK(method != nullptr); |
| 2509 | CHECK(method->IsRuntimeMethod()) << method; |
| 2510 | resolution_method_ = method; |
| 2511 | } |
| 2512 | |
| 2513 | void Runtime::SetImtUnimplementedMethod(ArtMethod* method) { |
| 2514 | CHECK(method != nullptr); |
| 2515 | CHECK(method->IsRuntimeMethod()); |
| 2516 | imt_unimplemented_method_ = method; |
Mathieu Chartier | 91288d8 | 2016-04-28 09:44:54 -0700 | [diff] [blame] | 2517 | } |
| 2518 | |
| 2519 | void Runtime::FixupConflictTables() { |
| 2520 | // We can only do this after the class linker is created. |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 2521 | const PointerSize pointer_size = GetClassLinker()->GetImagePointerSize(); |
Mathieu Chartier | 91288d8 | 2016-04-28 09:44:54 -0700 | [diff] [blame] | 2522 | if (imt_unimplemented_method_->GetImtConflictTable(pointer_size) == nullptr) { |
| 2523 | imt_unimplemented_method_->SetImtConflictTable( |
Andreas Gampe | 98ea9d9 | 2018-10-19 14:06:15 -0700 | [diff] [blame] | 2524 | ClassLinker::CreateImtConflictTable(/*count=*/0u, GetLinearAlloc(), pointer_size), |
Mathieu Chartier | 91288d8 | 2016-04-28 09:44:54 -0700 | [diff] [blame] | 2525 | pointer_size); |
| 2526 | } |
| 2527 | if (imt_conflict_method_->GetImtConflictTable(pointer_size) == nullptr) { |
| 2528 | imt_conflict_method_->SetImtConflictTable( |
Andreas Gampe | 98ea9d9 | 2018-10-19 14:06:15 -0700 | [diff] [blame] | 2529 | ClassLinker::CreateImtConflictTable(/*count=*/0u, GetLinearAlloc(), pointer_size), |
Mathieu Chartier | 91288d8 | 2016-04-28 09:44:54 -0700 | [diff] [blame] | 2530 | pointer_size); |
Nicolas Geoffray | 40c68c6 | 2016-03-23 16:35:51 +0000 | [diff] [blame] | 2531 | } |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 2532 | } |
| 2533 | |
Nicolas Geoffray | 68bf390 | 2017-09-07 14:40:48 +0100 | [diff] [blame] | 2534 | void Runtime::DisableVerifier() { |
| 2535 | verify_ = verifier::VerifyMode::kNone; |
| 2536 | } |
| 2537 | |
Igor Murashkin | 7617abd | 2015-07-10 18:27:47 -0700 | [diff] [blame] | 2538 | bool Runtime::IsVerificationEnabled() const { |
Igor Murashkin | df707e4 | 2016-02-02 16:56:50 -0800 | [diff] [blame] | 2539 | return verify_ == verifier::VerifyMode::kEnable || |
| 2540 | verify_ == verifier::VerifyMode::kSoftFail; |
Igor Murashkin | 7617abd | 2015-07-10 18:27:47 -0700 | [diff] [blame] | 2541 | } |
| 2542 | |
| 2543 | bool Runtime::IsVerificationSoftFail() const { |
| 2544 | return verify_ == verifier::VerifyMode::kSoftFail; |
| 2545 | } |
| 2546 | |
Nicolas Geoffray | 433b79a | 2017-01-30 20:54:45 +0000 | [diff] [blame] | 2547 | bool Runtime::IsAsyncDeoptimizeable(uintptr_t code) const { |
| 2548 | // We only support async deopt (ie the compiled code is not explicitly asking for |
| 2549 | // deopt, but something else like the debugger) in debuggable JIT code. |
| 2550 | // We could look at the oat file where `code` is being defined, |
| 2551 | // and check whether it's been compiled debuggable, but we decided to |
| 2552 | // only rely on the JIT for debuggable apps. |
| 2553 | return IsJavaDebuggable() && |
| 2554 | GetJit() != nullptr && |
| 2555 | GetJit()->GetCodeCache()->ContainsPc(reinterpret_cast<const void*>(code)); |
Mingyao Yang | f711f2c | 2016-05-23 12:29:39 -0700 | [diff] [blame] | 2556 | } |
| 2557 | |
Mathieu Chartier | 951ec2c | 2015-09-22 08:50:05 -0700 | [diff] [blame] | 2558 | LinearAlloc* Runtime::CreateLinearAlloc() { |
Mathieu Chartier | c3fcd41 | 2015-09-25 16:54:59 -0700 | [diff] [blame] | 2559 | // For 64 bit compilers, it needs to be in low 4GB in the case where we are cross compiling for a |
| 2560 | // 32 bit target. In this case, we have 32 bit pointers in the dex cache arrays which can't hold |
| 2561 | // when we have 64 bit ArtMethod pointers. |
Mathieu Chartier | 017ed0b | 2015-09-22 11:04:26 -0700 | [diff] [blame] | 2562 | return (IsAotCompiler() && Is64BitInstructionSet(kRuntimeISA)) |
Mathieu Chartier | 951ec2c | 2015-09-22 08:50:05 -0700 | [diff] [blame] | 2563 | ? new LinearAlloc(low_4gb_arena_pool_.get()) |
| 2564 | : new LinearAlloc(arena_pool_.get()); |
| 2565 | } |
| 2566 | |
Mathieu Chartier | 32cc9ee | 2015-10-15 09:19:15 -0700 | [diff] [blame] | 2567 | double Runtime::GetHashTableMinLoadFactor() const { |
| 2568 | return is_low_memory_mode_ ? kLowMemoryMinLoadFactor : kNormalMinLoadFactor; |
| 2569 | } |
| 2570 | |
| 2571 | double Runtime::GetHashTableMaxLoadFactor() const { |
| 2572 | return is_low_memory_mode_ ? kLowMemoryMaxLoadFactor : kNormalMaxLoadFactor; |
| 2573 | } |
| 2574 | |
Mathieu Chartier | f8cb178 | 2016-03-18 18:45:41 -0700 | [diff] [blame] | 2575 | void Runtime::UpdateProcessState(ProcessState process_state) { |
| 2576 | ProcessState old_process_state = process_state_; |
| 2577 | process_state_ = process_state; |
| 2578 | GetHeap()->UpdateProcessState(old_process_state, process_state); |
| 2579 | } |
| 2580 | |
Calin Juravle | 97cbc92 | 2016-04-15 16:16:35 +0100 | [diff] [blame] | 2581 | void Runtime::RegisterSensitiveThread() const { |
| 2582 | Thread::SetJitSensitiveThread(); |
| 2583 | } |
| 2584 | |
Calin Juravle | ffc8707 | 2016-04-20 14:22:09 +0100 | [diff] [blame] | 2585 | // Returns true if JIT compilations are enabled. GetJit() will be not null in this case. |
| 2586 | bool Runtime::UseJitCompilation() const { |
| 2587 | return (jit_ != nullptr) && jit_->UseJitCompilation(); |
| 2588 | } |
| 2589 | |
David Sehr | d106d9f | 2016-08-16 19:22:57 -0700 | [diff] [blame] | 2590 | void Runtime::EnvSnapshot::TakeSnapshot() { |
| 2591 | char** env = GetEnviron(); |
| 2592 | for (size_t i = 0; env[i] != nullptr; ++i) { |
| 2593 | name_value_pairs_.emplace_back(new std::string(env[i])); |
| 2594 | } |
| 2595 | // The strings in name_value_pairs_ retain ownership of the c_str, but we assign pointers |
| 2596 | // for quick use by GetSnapshot. This avoids allocation and copying cost at Exec. |
| 2597 | c_env_vector_.reset(new char*[name_value_pairs_.size() + 1]); |
| 2598 | for (size_t i = 0; env[i] != nullptr; ++i) { |
| 2599 | c_env_vector_[i] = const_cast<char*>(name_value_pairs_[i]->c_str()); |
| 2600 | } |
| 2601 | c_env_vector_[name_value_pairs_.size()] = nullptr; |
| 2602 | } |
| 2603 | |
| 2604 | char** Runtime::EnvSnapshot::GetSnapshot() const { |
| 2605 | return c_env_vector_.get(); |
| 2606 | } |
| 2607 | |
Andreas Gampe | fda5714 | 2016-09-08 20:29:18 -0700 | [diff] [blame] | 2608 | void Runtime::AddSystemWeakHolder(gc::AbstractSystemWeakHolder* holder) { |
| 2609 | gc::ScopedGCCriticalSection gcs(Thread::Current(), |
| 2610 | gc::kGcCauseAddRemoveSystemWeakHolder, |
| 2611 | gc::kCollectorTypeAddRemoveSystemWeakHolder); |
Andreas Gampe | 1f64859 | 2017-01-13 10:46:01 -0800 | [diff] [blame] | 2612 | // Note: The ScopedGCCriticalSection also ensures that the rest of the function is in |
| 2613 | // a critical section. |
Andreas Gampe | fda5714 | 2016-09-08 20:29:18 -0700 | [diff] [blame] | 2614 | system_weak_holders_.push_back(holder); |
| 2615 | } |
| 2616 | |
| 2617 | void Runtime::RemoveSystemWeakHolder(gc::AbstractSystemWeakHolder* holder) { |
| 2618 | gc::ScopedGCCriticalSection gcs(Thread::Current(), |
| 2619 | gc::kGcCauseAddRemoveSystemWeakHolder, |
| 2620 | gc::kCollectorTypeAddRemoveSystemWeakHolder); |
| 2621 | auto it = std::find(system_weak_holders_.begin(), system_weak_holders_.end(), holder); |
| 2622 | if (it != system_weak_holders_.end()) { |
| 2623 | system_weak_holders_.erase(it); |
| 2624 | } |
| 2625 | } |
| 2626 | |
Andreas Gampe | ac30fa2 | 2017-01-18 21:02:36 -0800 | [diff] [blame] | 2627 | RuntimeCallbacks* Runtime::GetRuntimeCallbacks() { |
| 2628 | return callbacks_.get(); |
| 2629 | } |
| 2630 | |
Nicolas Geoffray | 433b79a | 2017-01-30 20:54:45 +0000 | [diff] [blame] | 2631 | // Used to patch boot image method entry point to interpreter bridge. |
| 2632 | class UpdateEntryPointsClassVisitor : public ClassVisitor { |
| 2633 | public: |
| 2634 | explicit UpdateEntryPointsClassVisitor(instrumentation::Instrumentation* instrumentation) |
| 2635 | : instrumentation_(instrumentation) {} |
| 2636 | |
Roland Levillain | bbc6e7e | 2018-08-24 16:58:47 +0100 | [diff] [blame] | 2637 | bool operator()(ObjPtr<mirror::Class> klass) override REQUIRES(Locks::mutator_lock_) { |
Nicolas Geoffray | 433b79a | 2017-01-30 20:54:45 +0000 | [diff] [blame] | 2638 | auto pointer_size = Runtime::Current()->GetClassLinker()->GetImagePointerSize(); |
| 2639 | for (auto& m : klass->GetMethods(pointer_size)) { |
| 2640 | const void* code = m.GetEntryPointFromQuickCompiledCode(); |
| 2641 | if (Runtime::Current()->GetHeap()->IsInBootImageOatFile(code) && |
| 2642 | !m.IsNative() && |
| 2643 | !m.IsProxyMethod()) { |
| 2644 | instrumentation_->UpdateMethodsCodeForJavaDebuggable(&m, GetQuickToInterpreterBridge()); |
| 2645 | } |
| 2646 | } |
| 2647 | return true; |
| 2648 | } |
| 2649 | |
| 2650 | private: |
| 2651 | instrumentation::Instrumentation* const instrumentation_; |
| 2652 | }; |
| 2653 | |
| 2654 | void Runtime::SetJavaDebuggable(bool value) { |
| 2655 | is_java_debuggable_ = value; |
| 2656 | // Do not call DeoptimizeBootImage just yet, the runtime may still be starting up. |
| 2657 | } |
| 2658 | |
| 2659 | void Runtime::DeoptimizeBootImage() { |
| 2660 | // If we've already started and we are setting this runtime to debuggable, |
| 2661 | // we patch entry points of methods in boot image to interpreter bridge, as |
| 2662 | // boot image code may be AOT compiled as not debuggable. |
| 2663 | if (!GetInstrumentation()->IsForcedInterpretOnly()) { |
| 2664 | ScopedObjectAccess soa(Thread::Current()); |
| 2665 | UpdateEntryPointsClassVisitor visitor(GetInstrumentation()); |
| 2666 | GetClassLinker()->VisitClasses(&visitor); |
| 2667 | } |
| 2668 | } |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 2669 | } // namespace art |