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Elliott Hughes2faa5f12012-01-30 14:42:07 -08001/*
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 Shapiro1fb86202011-06-27 17:43:13 -070016
Brian Carlstrom578bbdc2011-07-21 14:07:47 -070017#include "runtime.h"
Carl Shapiro1fb86202011-06-27 17:43:13 -070018
Brian Carlstrombd86bcc2013-03-10 20:26:16 -070019// sys/mount.h has to come before linux/fs.h due to redefinition of MS_RDONLY, MS_BIND, etc
20#include <sys/mount.h>
21#include <linux/fs.h>
22
Brian Carlstromdbf05b72011-12-15 00:55:24 -080023#include <signal.h>
Elliott Hughesd06a6c72012-05-30 17:59:06 -070024#include <sys/syscall.h>
Brian Carlstromdbf05b72011-12-15 00:55:24 -080025
Elliott Hughesffe67362011-07-17 12:09:27 -070026#include <cstdio>
27#include <cstdlib>
Brian Carlstrom8a436592011-08-15 21:27:23 -070028#include <limits>
Carl Shapiro2ed144c2011-07-26 16:52:08 -070029#include <vector>
Elliott Hughesffe67362011-07-17 12:09:27 -070030
Ian Rogers166db042013-07-26 12:05:57 -070031#include "arch/arm/registers_arm.h"
32#include "arch/mips/registers_mips.h"
33#include "arch/x86/registers_x86.h"
Ian Rogers2dd0e2c2013-01-24 12:42:14 -080034#include "atomic.h"
Brian Carlstrom578bbdc2011-07-21 14:07:47 -070035#include "class_linker.h"
Elliott Hughes3bb81562011-10-21 18:52:59 -070036#include "debugger.h"
Ian Rogers1d54e732013-05-02 21:10:01 -070037#include "gc/accounting/card_table-inl.h"
38#include "gc/heap.h"
39#include "gc/space/space.h"
Brian Carlstrome24fa612011-09-29 00:53:55 -070040#include "image.h"
jeffhao725a9572012-11-13 18:20:12 -080041#include "instrumentation.h"
Elliott Hughescf4c6c42011-09-01 15:16:42 -070042#include "intern_table.h"
Jeff Hao5d917302013-02-27 17:57:33 -080043#include "invoke_arg_array_builder.h"
Elliott Hughesc5f7c912011-08-18 14:00:42 -070044#include "jni_internal.h"
Ian Rogers2dd0e2c2013-01-24 12:42:14 -080045#include "mirror/abstract_method-inl.h"
46#include "mirror/array.h"
Ian Rogers62d6c772013-02-27 08:32:07 -080047#include "mirror/class-inl.h"
Ian Rogers2dd0e2c2013-01-24 12:42:14 -080048#include "mirror/class_loader.h"
49#include "mirror/field.h"
Ian Rogersc0fa3ad2013-02-05 00:11:55 -080050#include "mirror/field-inl.h"
Ian Rogers2dd0e2c2013-01-24 12:42:14 -080051#include "mirror/throwable.h"
Elliott Hughes32d6e1e2011-10-11 14:47:44 -070052#include "monitor.h"
Brian Carlstrome24fa612011-09-29 00:53:55 -070053#include "oat_file.h"
Elliott Hughes726079d2011-10-07 18:43:44 -070054#include "ScopedLocalRef.h"
Ian Rogers00f7d0e2012-07-19 15:28:27 -070055#include "scoped_thread_state_change.h"
Elliott Hughese27955c2011-08-26 15:21:24 -070056#include "signal_catcher.h"
Elliott Hughes457005c2012-04-16 13:54:25 -070057#include "signal_set.h"
Ian Rogers1f539342012-10-03 21:09:42 -070058#include "sirt_ref.h"
Brian Carlstrom578bbdc2011-07-21 14:07:47 -070059#include "thread.h"
Elliott Hughes8daa0922011-09-11 13:46:25 -070060#include "thread_list.h"
jeffhaob5e81852012-03-12 11:15:45 -070061#include "trace.h"
Elliott Hughes3bb81562011-10-21 18:52:59 -070062#include "UniquePtr.h"
Ian Rogers776ac1f2012-04-13 23:36:36 -070063#include "verifier/method_verifier.h"
Elliott Hugheseac76672012-05-24 21:56:51 -070064#include "well_known_classes.h"
Carl Shapiro61e019d2011-07-14 16:53:09 -070065
Brian Carlstrom7934ac22013-07-26 10:54:15 -070066#include "JniConstants.h" // Last to avoid LOG redefinition in ics-mr1-plus-art.
Elliott Hughes90a33692011-08-30 13:27:07 -070067
Carl Shapiro1fb86202011-06-27 17:43:13 -070068namespace art {
69
Carl Shapiro2ed144c2011-07-26 16:52:08 -070070Runtime* Runtime::instance_ = NULL;
71
Elliott Hughesdcc24742011-09-07 14:02:44 -070072Runtime::Runtime()
Elliott Hughesd9c67be2012-02-02 19:54:06 -080073 : is_compiler_(false),
74 is_zygote_(false),
Mathieu Chartier069387a2012-06-18 12:01:01 -070075 is_concurrent_gc_enabled_(true),
Elliott Hughes6cf23882012-06-15 15:42:07 -070076 default_stack_size_(0),
Elliott Hughesb3bd5f02012-03-08 21:05:27 -080077 heap_(NULL),
Elliott Hughesc33a32b2011-10-11 18:18:07 -070078 monitor_list_(NULL),
Elliott Hughesdcc24742011-09-07 14:02:44 -070079 thread_list_(NULL),
80 intern_table_(NULL),
81 class_linker_(NULL),
82 signal_catcher_(NULL),
83 java_vm_(NULL),
Elliott Hughes225f5a12012-06-11 11:23:48 -070084 pre_allocated_OutOfMemoryError_(NULL),
Ian Rogers19846512012-02-24 11:42:47 -080085 resolution_method_(NULL),
Ian Rogers7c3757f2012-02-15 17:18:53 -080086 system_class_loader_(NULL),
Ian Rogers120f1c72012-09-28 17:17:10 -070087 threads_being_born_(0),
Ian Rogersc604d732012-10-14 16:09:54 -070088 shutdown_cond_(new ConditionVariable("Runtime shutdown", *Locks::runtime_shutdown_lock_)),
Elliott Hughes6b355752012-01-13 16:49:08 -080089 shutting_down_(false),
Ian Rogers120f1c72012-09-28 17:17:10 -070090 shutting_down_started_(false),
Elliott Hughesdcc24742011-09-07 14:02:44 -070091 started_(false),
Mathieu Chartier7664f5c2012-06-08 18:15:32 -070092 finished_starting_(false),
Elliott Hughesdcc24742011-09-07 14:02:44 -070093 vfprintf_(NULL),
94 exit_(NULL),
Elliott Hughes9d5ccec2011-09-19 13:19:50 -070095 abort_(NULL),
jeffhao2692b572011-12-16 15:42:28 -080096 stats_enabled_(false),
Ian Rogers776ac1f2012-04-13 23:36:36 -070097 method_trace_(0),
98 method_trace_file_size_(0),
Ian Rogers62d6c772013-02-27 08:32:07 -080099 instrumentation_(),
Ian Rogers365c1022012-06-22 15:05:28 -0700100 use_compile_time_class_path_(false),
101 main_thread_group_(NULL),
Brian Carlstrom265091e2013-01-30 14:08:26 -0800102 system_thread_group_(NULL) {
Ian Rogers4f0d07c2011-10-06 23:38:47 -0700103 for (int i = 0; i < Runtime::kLastCalleeSaveType; i++) {
Elliott Hughes225f5a12012-06-11 11:23:48 -0700104 callee_save_methods_[i] = NULL;
Ian Rogers4f0d07c2011-10-06 23:38:47 -0700105 }
Elliott Hughesdcc24742011-09-07 14:02:44 -0700106}
107
Carl Shapiro61e019d2011-07-14 16:53:09 -0700108Runtime::~Runtime() {
Ian Rogers120f1c72012-09-28 17:17:10 -0700109 Thread* self = Thread::Current();
110 {
111 MutexLock mu(self, *Locks::runtime_shutdown_lock_);
112 shutting_down_started_ = true;
113 while (threads_being_born_ > 0) {
Ian Rogersc604d732012-10-14 16:09:54 -0700114 shutdown_cond_->Wait(self);
Ian Rogers120f1c72012-09-28 17:17:10 -0700115 }
116 shutting_down_ = true;
117 }
Ian Rogers62d6c772013-02-27 08:32:07 -0800118 Trace::Shutdown();
jeffhaob5e81852012-03-12 11:15:45 -0700119
Mathieu Chartiera6399032012-06-11 18:49:50 -0700120 // Make sure to let the GC complete if it is running.
Ian Rogers120f1c72012-09-28 17:17:10 -0700121 heap_->WaitForConcurrentGcToComplete(self);
Mathieu Chartier35883cc2012-11-13 14:08:12 -0800122 heap_->DeleteThreadPool();
Mathieu Chartiera6399032012-06-11 18:49:50 -0700123
Elliott Hughes5fe594f2011-09-08 12:33:17 -0700124 // Make sure our internal threads are dead before we start tearing down things they're using.
Elliott Hughese52e49b2012-04-02 16:05:44 -0700125 Dbg::StopJdwp();
Elliott Hughes5fe594f2011-09-08 12:33:17 -0700126 delete signal_catcher_;
127
Elliott Hughes038a8062011-09-18 14:12:41 -0700128 // Make sure all other non-daemon threads have terminated, and all daemon threads are suspended.
Elliott Hughes93e74e82011-09-13 11:07:03 -0700129 delete thread_list_;
Elliott Hughesc33a32b2011-10-11 18:18:07 -0700130 delete monitor_list_;
Carl Shapiro61e019d2011-07-14 16:53:09 -0700131 delete class_linker_;
Elliott Hughesb3bd5f02012-03-08 21:05:27 -0800132 delete heap_;
Elliott Hughescf4c6c42011-09-01 15:16:42 -0700133 delete intern_table_;
Elliott Hughesc5f7c912011-08-18 14:00:42 -0700134 delete java_vm_;
Elliott Hughesc1674ed2011-08-25 18:09:09 -0700135 Thread::Shutdown();
Elliott Hughes7c6169d2012-05-02 16:11:48 -0700136 QuasiAtomic::Shutdown();
Sebastien Hertz4d4adb12013-07-24 16:14:19 +0200137 verifier::MethodVerifier::Shutdown();
Carl Shapiro4acf4642011-07-26 18:54:13 -0700138 // TODO: acquire a static mutex on Runtime to avoid racing.
Brian Carlstrom4a289ed2011-08-16 17:17:49 -0700139 CHECK(instance_ == NULL || instance_ == this);
Carl Shapiro4acf4642011-07-26 18:54:13 -0700140 instance_ = NULL;
Carl Shapiro61e019d2011-07-14 16:53:09 -0700141}
142
Elliott Hughese0918552011-10-28 17:18:29 -0700143struct AbortState {
144 void Dump(std::ostream& os) {
Ian Rogersf08e4732013-04-09 09:45:49 -0700145 if (gAborting > 1) {
Elliott Hughescac6cc72011-11-03 20:31:21 -0700146 os << "Runtime aborting --- recursively, so no thread-specific detail!\n";
147 return;
148 }
Ian Rogersf08e4732013-04-09 09:45:49 -0700149 gAborting++;
Elliott Hughese0918552011-10-28 17:18:29 -0700150 os << "Runtime aborting...\n";
Elliott Hughes6c7d2442012-02-01 18:40:47 -0800151 if (Runtime::Current() == NULL) {
152 os << "(Runtime does not yet exist!)\n";
153 return;
154 }
Elliott Hughese0918552011-10-28 17:18:29 -0700155 Thread* self = Thread::Current();
156 if (self == NULL) {
157 os << "(Aborting thread was not attached to runtime!)\n";
158 } else {
Ian Rogers00f7d0e2012-07-19 15:28:27 -0700159 // TODO: we're aborting and the ScopedObjectAccess may attempt to acquire the mutator_lock_
160 // which may block indefinitely if there's a misbehaving thread holding it exclusively.
161 // The code below should be made robust to this.
162 ScopedObjectAccess soa(self);
Ian Rogers2f7f9b62012-10-10 18:24:05 -0700163 os << "Aborting thread:\n";
Elliott Hughes899e7892012-01-24 14:57:32 -0800164 self->Dump(os);
165 if (self->IsExceptionPending()) {
Ian Rogers62d6c772013-02-27 08:32:07 -0800166 ThrowLocation throw_location;
167 mirror::Throwable* exception = self->GetException(&throw_location);
168 os << "Pending exception " << PrettyTypeOf(exception)
169 << " thrown by '" << throw_location.Dump() << "\n"
170 << exception->Dump();
Elliott Hughes899e7892012-01-24 14:57:32 -0800171 }
Elliott Hughese0918552011-10-28 17:18:29 -0700172 }
Ian Rogers2f7f9b62012-10-10 18:24:05 -0700173 DumpAllThreads(os, self);
174 }
175
176 void DumpAllThreads(std::ostream& os, Thread* self) NO_THREAD_SAFETY_ANALYSIS {
177 bool tll_already_held = Locks::thread_list_lock_->IsExclusiveHeld(self);
178 bool ml_already_held = Locks::mutator_lock_->IsSharedHeld(self);
Ian Rogersfbd22912012-10-12 14:21:10 -0700179 if (!tll_already_held || !ml_already_held) {
180 os << "Dumping all threads without appropriate locks held:"
181 << (!tll_already_held ? " thread list lock" : "")
Ian Rogers2fa6b2e2012-10-17 00:10:17 -0700182 << (!ml_already_held ? " mutator lock" : "")
183 << "\n";
Ian Rogers2f7f9b62012-10-10 18:24:05 -0700184 }
Ian Rogersfbd22912012-10-12 14:21:10 -0700185 os << "All threads:\n";
186 Runtime::Current()->GetThreadList()->DumpLocked(os);
Elliott Hughese0918552011-10-28 17:18:29 -0700187 }
188};
189
Elliott Hughes8593fdb2012-04-21 20:53:44 -0700190void Runtime::Abort() {
Ian Rogersf08e4732013-04-09 09:45:49 -0700191 gAborting++; // set before taking any locks
Brian Carlstrom81b88712012-11-05 19:21:30 -0800192
Elliott Hughes131aef82012-01-27 11:53:35 -0800193 // Ensure that we don't have multiple threads trying to abort at once,
194 // which would result in significantly worse diagnostics.
Ian Rogers50b35e22012-10-04 10:09:15 -0700195 MutexLock mu(Thread::Current(), *Locks::abort_lock_);
Elliott Hughes131aef82012-01-27 11:53:35 -0800196
Elliott Hughesffe67362011-07-17 12:09:27 -0700197 // Get any pending output out of the way.
198 fflush(NULL);
199
200 // Many people have difficulty distinguish aborts from crashes,
201 // so be explicit.
Elliott Hughese0918552011-10-28 17:18:29 -0700202 AbortState state;
Elliott Hughes9ee5f9c2012-02-03 18:33:16 -0800203 LOG(INTERNAL_FATAL) << Dumpable<AbortState>(state);
Elliott Hughesffe67362011-07-17 12:09:27 -0700204
Elliott Hughes8593fdb2012-04-21 20:53:44 -0700205 // Call the abort hook if we have one.
Brian Carlstrom6ea095a2011-08-16 15:26:54 -0700206 if (Runtime::Current() != NULL && Runtime::Current()->abort_ != NULL) {
Elliott Hughes6c1c69e2012-04-23 16:12:51 -0700207 LOG(INTERNAL_FATAL) << "Calling abort hook...";
Brian Carlstrom6ea095a2011-08-16 15:26:54 -0700208 Runtime::Current()->abort_();
209 // notreached
Elliott Hughes6c1c69e2012-04-23 16:12:51 -0700210 LOG(INTERNAL_FATAL) << "Unexpectedly returned from abort hook!";
Brian Carlstrom6ea095a2011-08-16 15:26:54 -0700211 }
212
Elliott Hughesdd623db2013-06-11 11:20:23 -0700213#if defined(__GLIBC__)
Elliott Hughesd06a6c72012-05-30 17:59:06 -0700214 // TODO: we ought to be able to use pthread_kill(3) here (or abort(3),
215 // which POSIX defines in terms of raise(3), which POSIX defines in terms
216 // of pthread_kill(3)). On Linux, though, libcorkscrew can't unwind through
217 // libpthread, which means the stacks we dump would be useless. Calling
218 // tgkill(2) directly avoids that.
219 syscall(__NR_tgkill, getpid(), GetTid(), SIGABRT);
Elliott Hughesdd623db2013-06-11 11:20:23 -0700220 // TODO: LLVM installs it's own SIGABRT handler so exit to be safe... Can we disable that in LLVM?
221 // If not, we could use sigaction(3) before calling tgkill(2) and lose this call to exit(3).
Brian Carlstrom700c8d32012-11-05 10:42:02 -0800222 exit(1);
Elliott Hughesdd623db2013-06-11 11:20:23 -0700223#else
224 abort();
Elliott Hughesd06a6c72012-05-30 17:59:06 -0700225#endif
Elliott Hughesffe67362011-07-17 12:09:27 -0700226 // notreached
227}
228
Mathieu Chartiercc236d72012-07-20 10:29:05 -0700229bool Runtime::PreZygoteFork() {
230 heap_->PreZygoteFork();
231 return true;
232}
233
Elliott Hughesbf86d042011-08-31 17:53:14 -0700234void Runtime::CallExitHook(jint status) {
235 if (exit_ != NULL) {
Elliott Hughes34e06962012-04-09 13:55:55 -0700236 ScopedThreadStateChange tsc(Thread::Current(), kNative);
Elliott Hughesbf86d042011-08-31 17:53:14 -0700237 exit_(status);
238 LOG(WARNING) << "Exit hook returned instead of exiting!";
239 }
240}
241
Brian Carlstrom8a436592011-08-15 21:27:23 -0700242// Parse a string of the form /[0-9]+[kKmMgG]?/, which is used to specify
243// memory sizes. [kK] indicates kilobytes, [mM] megabytes, and
244// [gG] gigabytes.
245//
246// "s" should point just past the "-Xm?" part of the string.
Brian Carlstrom8a436592011-08-15 21:27:23 -0700247// "div" specifies a divisor, e.g. 1024 if the value must be a multiple
248// of 1024.
249//
250// The spec says the -Xmx and -Xms options must be multiples of 1024. It
251// doesn't say anything about -Xss.
252//
253// Returns 0 (a useless size) if "s" is malformed or specifies a low or
254// non-evenly-divisible value.
255//
Elliott Hughesc1f143d2011-12-01 17:31:10 -0800256size_t ParseMemoryOption(const char* s, size_t div) {
Brian Carlstrom8a436592011-08-15 21:27:23 -0700257 // strtoul accepts a leading [+-], which we don't want,
258 // so make sure our string starts with a decimal digit.
259 if (isdigit(*s)) {
Elliott Hughes398f64b2012-03-26 18:05:48 -0700260 char* s2;
261 size_t val = strtoul(s, &s2, 10);
Brian Carlstrom8a436592011-08-15 21:27:23 -0700262 if (s2 != s) {
263 // s2 should be pointing just after the number.
264 // If this is the end of the string, the user
265 // has specified a number of bytes. Otherwise,
266 // there should be exactly one more character
267 // that specifies a multiplier.
268 if (*s2 != '\0') {
Brian Carlstromf734cf52011-08-17 16:28:14 -0700269 // The remainder of the string is either a single multiplier
270 // character, or nothing to indicate that the value is in
271 // bytes.
272 char c = *s2++;
273 if (*s2 == '\0') {
274 size_t mul;
275 if (c == '\0') {
276 mul = 1;
277 } else if (c == 'k' || c == 'K') {
278 mul = KB;
279 } else if (c == 'm' || c == 'M') {
280 mul = MB;
281 } else if (c == 'g' || c == 'G') {
282 mul = GB;
Brian Carlstrom8a436592011-08-15 21:27:23 -0700283 } else {
Brian Carlstromf734cf52011-08-17 16:28:14 -0700284 // Unknown multiplier character.
Brian Carlstrom8a436592011-08-15 21:27:23 -0700285 return 0;
286 }
Brian Carlstromf734cf52011-08-17 16:28:14 -0700287
288 if (val <= std::numeric_limits<size_t>::max() / mul) {
289 val *= mul;
290 } else {
291 // Clamp to a multiple of 1024.
292 val = std::numeric_limits<size_t>::max() & ~(1024-1);
293 }
294 } else {
295 // There's more than one character after the numeric part.
296 return 0;
297 }
Brian Carlstrom8a436592011-08-15 21:27:23 -0700298 }
299 // The man page says that a -Xm value must be a multiple of 1024.
300 if (val % div == 0) {
301 return val;
302 }
Carl Shapirofc322c72011-07-27 00:20:01 -0700303 }
304 }
Brian Carlstrom8a436592011-08-15 21:27:23 -0700305 return 0;
Carl Shapirofc322c72011-07-27 00:20:01 -0700306}
307
Elliott Hughesf1a5adc2012-02-10 18:09:35 -0800308size_t ParseIntegerOrDie(const std::string& s) {
309 std::string::size_type colon = s.find(':');
310 if (colon == std::string::npos) {
Elliott Hughesbb1e8f02011-10-18 14:14:25 -0700311 LOG(FATAL) << "Missing integer: " << s;
312 }
Elliott Hughesf1a5adc2012-02-10 18:09:35 -0800313 const char* begin = &s[colon + 1];
Elliott Hughesbb1e8f02011-10-18 14:14:25 -0700314 char* end;
315 size_t result = strtoul(begin, &end, 10);
316 if (begin == end || *end != '\0') {
317 LOG(FATAL) << "Failed to parse integer in: " << s;
318 }
319 return result;
320}
321
Brian Carlstrom6ea095a2011-08-16 15:26:54 -0700322Runtime::ParsedOptions* Runtime::ParsedOptions::Create(const Options& options, bool ignore_unrecognized) {
Elliott Hughes90a33692011-08-30 13:27:07 -0700323 UniquePtr<ParsedOptions> parsed(new ParsedOptions());
Brian Carlstroma004aa92012-02-08 18:05:09 -0800324 const char* boot_class_path_string = getenv("BOOTCLASSPATH");
325 if (boot_class_path_string != NULL) {
326 parsed->boot_class_path_string_ = boot_class_path_string;
Brian Carlstrom58ae9412011-10-04 00:56:06 -0700327 }
Brian Carlstroma004aa92012-02-08 18:05:09 -0800328 const char* class_path_string = getenv("CLASSPATH");
329 if (class_path_string != NULL) {
330 parsed->class_path_string_ = class_path_string;
Brian Carlstrom58ae9412011-10-04 00:56:06 -0700331 }
Elliott Hughes67d92002012-03-26 15:08:51 -0700332 // -Xcheck:jni is off by default for regular builds but on by default in debug builds.
333 parsed->check_jni_ = kIsDebugBuild;
Elliott Hughes85d15452011-09-16 17:33:01 -0700334
Ian Rogers1d54e732013-05-02 21:10:01 -0700335 parsed->heap_initial_size_ = gc::Heap::kDefaultInitialSize;
336 parsed->heap_maximum_size_ = gc::Heap::kDefaultMaximumSize;
337 parsed->heap_min_free_ = gc::Heap::kDefaultMinFree;
338 parsed->heap_max_free_ = gc::Heap::kDefaultMaxFree;
339 parsed->heap_target_utilization_ = gc::Heap::kDefaultTargetUtilization;
Elliott Hughes6cf23882012-06-15 15:42:07 -0700340 parsed->heap_growth_limit_ = 0; // 0 means no growth limit.
Mathieu Chartier63a54342013-07-23 13:17:59 -0700341 // Default to number of processors minus one since the main GC thread also does work.
342 parsed->heap_gc_threads_ = sysconf(_SC_NPROCESSORS_CONF) - 1;
Brian Carlstrom7934ac22013-07-26 10:54:15 -0700343 parsed->stack_size_ = 0; // 0 means default.
Mathieu Chartiere0a53e92013-08-05 10:17:40 -0700344 parsed->low_memory_mode_ = false;
Brian Carlstromf734cf52011-08-17 16:28:14 -0700345
Elliott Hughesd9c67be2012-02-02 19:54:06 -0800346 parsed->is_compiler_ = false;
Elliott Hughes9ca7a1f2011-10-11 14:29:52 -0700347 parsed->is_zygote_ = false;
Ian Rogers50ffee22012-11-20 11:47:44 -0800348 parsed->interpreter_only_ = false;
Mathieu Chartier069387a2012-06-18 12:01:01 -0700349 parsed->is_concurrent_gc_enabled_ = true;
Elliott Hughes9ca7a1f2011-10-11 14:29:52 -0700350
Elliott Hughesfc861622011-10-17 17:57:47 -0700351 parsed->lock_profiling_threshold_ = 0;
352 parsed->hook_is_sensitive_thread_ = NULL;
353
Brian Carlstrom6ea095a2011-08-16 15:26:54 -0700354 parsed->hook_vfprintf_ = vfprintf;
355 parsed->hook_exit_ = exit;
Brian Carlstrom7934ac22013-07-26 10:54:15 -0700356 parsed->hook_abort_ = NULL; // We don't call abort(3) by default; see Runtime::Abort.
Brian Carlstrom8a436592011-08-15 21:27:23 -0700357
buzbeea024a062013-07-31 10:47:37 -0700358 parsed->compiler_filter_ = Runtime::kDefaultCompilerFilter;
359 parsed->huge_method_threshold_ = Runtime::kDefaultHugeMethodThreshold;
360 parsed->large_method_threshold_ = Runtime::kDefaultLargeMethodThreshold;
361 parsed->small_method_threshold_ = Runtime::kDefaultSmallMethodThreshold;
362 parsed->tiny_method_threshold_ = Runtime::kDefaultTinyMethodThreshold;
363 parsed->num_dex_methods_threshold_ = Runtime::kDefaultNumDexMethodsThreshold;
Anwar Ghuloum8447d842013-04-30 17:27:40 -0700364
Dragos Sbirlea7467ee02013-06-21 09:20:34 -0700365 parsed->sea_ir_mode_ = false;
Brian Carlstrom7934ac22013-07-26 10:54:15 -0700366// gLogVerbosity.class_linker = true; // TODO: don't check this in!
367// gLogVerbosity.compiler = true; // TODO: don't check this in!
Anwar Ghuloum75a43f12013-08-13 17:22:14 -0700368// gLogVerbosity.verifier = true; // TODO: don't check this in!
Brian Carlstrom7934ac22013-07-26 10:54:15 -0700369// gLogVerbosity.heap = true; // TODO: don't check this in!
370// gLogVerbosity.gc = true; // TODO: don't check this in!
371// gLogVerbosity.jdwp = true; // TODO: don't check this in!
372// gLogVerbosity.jni = true; // TODO: don't check this in!
373// gLogVerbosity.monitor = true; // TODO: don't check this in!
374// gLogVerbosity.startup = true; // TODO: don't check this in!
375// gLogVerbosity.third_party_jni = true; // TODO: don't check this in!
376// gLogVerbosity.threads = true; // TODO: don't check this in!
Elliott Hughesb3bd5f02012-03-08 21:05:27 -0800377
jeffhaob5e81852012-03-12 11:15:45 -0700378 parsed->method_trace_ = false;
379 parsed->method_trace_file_ = "/data/method-trace-file.bin";
380 parsed->method_trace_file_size_ = 10 * MB;
381
Brian Carlstrom8a436592011-08-15 21:27:23 -0700382 for (size_t i = 0; i < options.size(); ++i) {
Elliott Hughesf1a5adc2012-02-10 18:09:35 -0800383 const std::string option(options[i].first);
Brian Carlstrom0796af02011-10-12 14:31:45 -0700384 if (true && options[0].first == "-Xzygote") {
Brian Carlstrom58ae9412011-10-04 00:56:06 -0700385 LOG(INFO) << "option[" << i << "]=" << option;
386 }
Elliott Hughesf1a5adc2012-02-10 18:09:35 -0800387 if (StartsWith(option, "-Xbootclasspath:")) {
Brian Carlstroma004aa92012-02-08 18:05:09 -0800388 parsed->boot_class_path_string_ = option.substr(strlen("-Xbootclasspath:")).data();
Brian Carlstrom69b15fb2011-09-03 12:25:21 -0700389 } else if (option == "-classpath" || option == "-cp") {
390 // TODO: support -Djava.class.path
391 i++;
392 if (i == options.size()) {
393 // TODO: usage
394 LOG(FATAL) << "Missing required class path value for " << option;
395 return NULL;
396 }
Brian Carlstroma004aa92012-02-08 18:05:09 -0800397 const StringPiece& value = options[i].first;
398 parsed->class_path_string_ = value.data();
399 } else if (option == "bootclasspath") {
400 parsed->boot_class_path_
401 = reinterpret_cast<const std::vector<const DexFile*>*>(options[i].second);
Elliott Hughesf1a5adc2012-02-10 18:09:35 -0800402 } else if (StartsWith(option, "-Ximage:")) {
Brian Carlstroma004aa92012-02-08 18:05:09 -0800403 parsed->image_ = option.substr(strlen("-Ximage:")).data();
Elliott Hughesf1a5adc2012-02-10 18:09:35 -0800404 } else if (StartsWith(option, "-Xcheck:jni")) {
Elliott Hughes515a5bc2011-08-17 11:08:34 -0700405 parsed->check_jni_ = true;
Elliott Hughesf1a5adc2012-02-10 18:09:35 -0800406 } else if (StartsWith(option, "-Xrunjdwp:") || StartsWith(option, "-agentlib:jdwp=")) {
407 std::string tail(option.substr(option[1] == 'X' ? 10 : 15));
Elliott Hughes3bb81562011-10-21 18:52:59 -0700408 if (tail == "help" || !Dbg::ParseJdwpOptions(tail)) {
409 LOG(FATAL) << "Example: -Xrunjdwp:transport=dt_socket,address=8000,server=y\n"
410 << "Example: -Xrunjdwp:transport=dt_socket,address=localhost:6500,server=n";
411 return NULL;
412 }
Elliott Hughesf1a5adc2012-02-10 18:09:35 -0800413 } else if (StartsWith(option, "-Xms")) {
414 size_t size = ParseMemoryOption(option.substr(strlen("-Xms")).c_str(), 1024);
Brian Carlstromf734cf52011-08-17 16:28:14 -0700415 if (size == 0) {
416 if (ignore_unrecognized) {
417 continue;
418 }
Brian Carlstrom4a289ed2011-08-16 17:17:49 -0700419 // TODO: usage
Brian Carlstrom69b15fb2011-09-03 12:25:21 -0700420 LOG(FATAL) << "Failed to parse " << option;
Brian Carlstromf734cf52011-08-17 16:28:14 -0700421 return NULL;
422 }
423 parsed->heap_initial_size_ = size;
Elliott Hughesf1a5adc2012-02-10 18:09:35 -0800424 } else if (StartsWith(option, "-Xmx")) {
425 size_t size = ParseMemoryOption(option.substr(strlen("-Xmx")).c_str(), 1024);
Brian Carlstromf734cf52011-08-17 16:28:14 -0700426 if (size == 0) {
427 if (ignore_unrecognized) {
428 continue;
429 }
Brian Carlstrom4a289ed2011-08-16 17:17:49 -0700430 // TODO: usage
Brian Carlstrom69b15fb2011-09-03 12:25:21 -0700431 LOG(FATAL) << "Failed to parse " << option;
Brian Carlstromf734cf52011-08-17 16:28:14 -0700432 return NULL;
433 }
434 parsed->heap_maximum_size_ = size;
Elliott Hughesf1a5adc2012-02-10 18:09:35 -0800435 } else if (StartsWith(option, "-XX:HeapGrowthLimit=")) {
436 size_t size = ParseMemoryOption(option.substr(strlen("-XX:HeapGrowthLimit=")).c_str(), 1024);
jeffhaoc1160702011-10-27 15:48:45 -0700437 if (size == 0) {
438 if (ignore_unrecognized) {
439 continue;
440 }
441 // TODO: usage
442 LOG(FATAL) << "Failed to parse " << option;
443 return NULL;
444 }
445 parsed->heap_growth_limit_ = size;
Mathieu Chartier0051be62012-10-12 17:47:11 -0700446 } else if (StartsWith(option, "-XX:HeapMinFree=")) {
447 size_t size = ParseMemoryOption(option.substr(strlen("-XX:HeapMinFree=")).c_str(), 1024);
448 if (size == 0) {
449 if (ignore_unrecognized) {
450 continue;
451 }
452 // TODO: usage
453 LOG(FATAL) << "Failed to parse " << option;
454 return NULL;
455 }
456 parsed->heap_min_free_ = size;
457 } else if (StartsWith(option, "-XX:HeapMaxFree=")) {
458 size_t size = ParseMemoryOption(option.substr(strlen("-XX:HeapMaxFree=")).c_str(), 1024);
459 if (size == 0) {
460 if (ignore_unrecognized) {
461 continue;
462 }
463 // TODO: usage
464 LOG(FATAL) << "Failed to parse " << option;
465 return NULL;
466 }
467 parsed->heap_max_free_ = size;
468 } else if (StartsWith(option, "-XX:HeapTargetUtilization=")) {
469 std::istringstream iss(option.substr(strlen("-XX:HeapTargetUtilization=")));
470 double value;
471 iss >> value;
472 // Ensure that we have a value, there was no cruft after it and it satisfies a sensible range.
Brian Carlstrombd86bcc2013-03-10 20:26:16 -0700473 const bool sane_val = iss.eof() && (value >= 0.1) && (value <= 0.9);
Mathieu Chartier0051be62012-10-12 17:47:11 -0700474 if (!sane_val) {
475 if (ignore_unrecognized) {
476 continue;
477 }
478 LOG(FATAL) << "Invalid option '" << option << "'";
479 return NULL;
480 }
481 parsed->heap_target_utilization_ = value;
Mathieu Chartier63a54342013-07-23 13:17:59 -0700482 } else if (StartsWith(option, "-XX:HeapGCThreads=")) {
483 parsed->heap_gc_threads_ =
484 ParseMemoryOption(option.substr(strlen("-XX:HeapGCThreads=")).c_str(), 1024);
Elliott Hughesf1a5adc2012-02-10 18:09:35 -0800485 } else if (StartsWith(option, "-Xss")) {
486 size_t size = ParseMemoryOption(option.substr(strlen("-Xss")).c_str(), 1);
Brian Carlstromf734cf52011-08-17 16:28:14 -0700487 if (size == 0) {
488 if (ignore_unrecognized) {
489 continue;
490 }
Brian Carlstrom4a289ed2011-08-16 17:17:49 -0700491 // TODO: usage
Brian Carlstrom69b15fb2011-09-03 12:25:21 -0700492 LOG(FATAL) << "Failed to parse " << option;
Brian Carlstromf734cf52011-08-17 16:28:14 -0700493 return NULL;
494 }
495 parsed->stack_size_ = size;
Mathieu Chartiere0a53e92013-08-05 10:17:40 -0700496 } else if (option == "-XX:LowMemoryMode") {
497 parsed->low_memory_mode_ = true;
Elliott Hughesf1a5adc2012-02-10 18:09:35 -0800498 } else if (StartsWith(option, "-D")) {
499 parsed->properties_.push_back(option.substr(strlen("-D")));
500 } else if (StartsWith(option, "-Xjnitrace:")) {
501 parsed->jni_trace_ = option.substr(strlen("-Xjnitrace:"));
Brian Carlstrom5de8fe52011-10-16 14:10:09 -0700502 } else if (option == "compiler") {
Elliott Hughesd9c67be2012-02-02 19:54:06 -0800503 parsed->is_compiler_ = true;
Elliott Hughes9ca7a1f2011-10-11 14:29:52 -0700504 } else if (option == "-Xzygote") {
505 parsed->is_zygote_ = true;
Ian Rogers50ffee22012-11-20 11:47:44 -0800506 } else if (option == "-Xint") {
507 parsed->interpreter_only_ = true;
Mathieu Chartier069387a2012-06-18 12:01:01 -0700508 } else if (StartsWith(option, "-Xgc:")) {
509 std::vector<std::string> gc_options;
510 Split(option.substr(strlen("-Xgc:")), ',', gc_options);
511 for (size_t i = 0; i < gc_options.size(); ++i) {
512 if (gc_options[i] == "noconcurrent") {
513 parsed->is_concurrent_gc_enabled_ = false;
514 } else if (gc_options[i] == "concurrent") {
515 parsed->is_concurrent_gc_enabled_ = true;
516 } else {
517 LOG(WARNING) << "Ignoring unknown -Xgc option: " << gc_options[i];
518 }
519 }
Elliott Hughesf1a5adc2012-02-10 18:09:35 -0800520 } else if (StartsWith(option, "-verbose:")) {
Elliott Hughes0af55432011-08-17 18:37:28 -0700521 std::vector<std::string> verbose_options;
Elliott Hughesf1a5adc2012-02-10 18:09:35 -0800522 Split(option.substr(strlen("-verbose:")), ',', verbose_options);
Elliott Hughes0af55432011-08-17 18:37:28 -0700523 for (size_t i = 0; i < verbose_options.size(); ++i) {
Elliott Hughes4dd9b4d2011-12-12 18:29:24 -0800524 if (verbose_options[i] == "class") {
525 gLogVerbosity.class_linker = true;
Anwar Ghuloum75a43f12013-08-13 17:22:14 -0700526 } else if (verbose_options[i] == "verifier") {
527 gLogVerbosity.verifier = true;
Elliott Hughes4dd9b4d2011-12-12 18:29:24 -0800528 } else if (verbose_options[i] == "compiler") {
529 gLogVerbosity.compiler = true;
530 } else if (verbose_options[i] == "heap") {
531 gLogVerbosity.heap = true;
532 } else if (verbose_options[i] == "gc") {
533 gLogVerbosity.gc = true;
534 } else if (verbose_options[i] == "jdwp") {
535 gLogVerbosity.jdwp = true;
536 } else if (verbose_options[i] == "jni") {
537 gLogVerbosity.jni = true;
538 } else if (verbose_options[i] == "monitor") {
539 gLogVerbosity.monitor = true;
540 } else if (verbose_options[i] == "startup") {
541 gLogVerbosity.startup = true;
542 } else if (verbose_options[i] == "third-party-jni") {
543 gLogVerbosity.third_party_jni = true;
544 } else if (verbose_options[i] == "threads") {
545 gLogVerbosity.threads = true;
546 } else {
547 LOG(WARNING) << "Ignoring unknown -verbose option: " << verbose_options[i];
548 }
Elliott Hughes0af55432011-08-17 18:37:28 -0700549 }
Elliott Hughesf1a5adc2012-02-10 18:09:35 -0800550 } else if (StartsWith(option, "-Xjnigreflimit:")) {
Elliott Hughes2010a602013-07-02 14:17:23 -0700551 // Silently ignored for backwards compatibility.
Elliott Hughesf1a5adc2012-02-10 18:09:35 -0800552 } else if (StartsWith(option, "-Xlockprofthreshold:")) {
Elliott Hughesbb1e8f02011-10-18 14:14:25 -0700553 parsed->lock_profiling_threshold_ = ParseIntegerOrDie(option);
Elliott Hughesf1a5adc2012-02-10 18:09:35 -0800554 } else if (StartsWith(option, "-Xstacktracefile:")) {
Elliott Hughes206c20d2012-06-28 11:05:37 -0700555 parsed->stack_trace_file_ = option.substr(strlen("-Xstacktracefile:"));
Elliott Hughesfc861622011-10-17 17:57:47 -0700556 } else if (option == "sensitiveThread") {
Ian Rogers1b09b092012-08-20 15:35:52 -0700557 parsed->hook_is_sensitive_thread_ = reinterpret_cast<bool (*)()>(const_cast<void*>(options[i].second));
Brian Carlstrom6ea095a2011-08-16 15:26:54 -0700558 } else if (option == "vfprintf") {
Ian Rogers1b09b092012-08-20 15:35:52 -0700559 parsed->hook_vfprintf_ =
560 reinterpret_cast<int (*)(FILE *, const char*, va_list)>(const_cast<void*>(options[i].second));
Brian Carlstrom6ea095a2011-08-16 15:26:54 -0700561 } else if (option == "exit") {
Ian Rogers1b09b092012-08-20 15:35:52 -0700562 parsed->hook_exit_ = reinterpret_cast<void(*)(jint)>(const_cast<void*>(options[i].second));
Brian Carlstrom6ea095a2011-08-16 15:26:54 -0700563 } else if (option == "abort") {
Ian Rogers1b09b092012-08-20 15:35:52 -0700564 parsed->hook_abort_ = reinterpret_cast<void(*)()>(const_cast<void*>(options[i].second));
Brian Carlstrom58ae9412011-10-04 00:56:06 -0700565 } else if (option == "host-prefix") {
566 parsed->host_prefix_ = reinterpret_cast<const char*>(options[i].second);
Elliott Hughesb3e66df2012-01-12 14:49:18 -0800567 } else if (option == "-Xgenregmap" || option == "-Xgc:precise") {
568 // We silently ignore these for backwards compatibility.
jeffhaob5e81852012-03-12 11:15:45 -0700569 } else if (option == "-Xmethod-trace") {
570 parsed->method_trace_ = true;
571 } else if (StartsWith(option, "-Xmethod-trace-file:")) {
572 parsed->method_trace_file_ = option.substr(strlen("-Xmethod-trace-file:"));
573 } else if (StartsWith(option, "-Xmethod-trace-file-size:")) {
574 parsed->method_trace_file_size_ = ParseIntegerOrDie(option);
Elliott Hughese119a362012-05-22 17:37:06 -0700575 } else if (option == "-Xprofile:threadcpuclock") {
576 Trace::SetDefaultClockSource(kProfilerClockSourceThreadCpu);
577 } else if (option == "-Xprofile:wallclock") {
578 Trace::SetDefaultClockSource(kProfilerClockSourceWall);
579 } else if (option == "-Xprofile:dualclock") {
580 Trace::SetDefaultClockSource(kProfilerClockSourceDual);
buzbeea024a062013-07-31 10:47:37 -0700581 } else if (option == "-compiler-filter:interpret-only") {
582 parsed->compiler_filter_ = kInterpretOnly;
583 } else if (option == "-compiler-filter:defer-compilation") {
584 parsed->compiler_filter_ = kDeferCompilation;
585 } else if (option == "-compiler-filter:space") {
586 parsed->compiler_filter_ = kSpace;
587 } else if (option == "-compiler-filter:balanced") {
588 parsed->compiler_filter_ = kBalanced;
589 } else if (option == "-compiler-filter:speed") {
590 parsed->compiler_filter_ = kSpeed;
Brian Carlstrom2ce745c2013-07-17 17:44:30 -0700591 } else if (option == "-sea_ir") {
Dragos Sbirlea7467ee02013-06-21 09:20:34 -0700592 parsed->sea_ir_mode_ = true;
buzbeea024a062013-07-31 10:47:37 -0700593 } else if (StartsWith(option, "-huge-method-max:")) {
594 parsed->huge_method_threshold_ = ParseIntegerOrDie(option);
595 } else if (StartsWith(option, "-large-method-max:")) {
596 parsed->large_method_threshold_ = ParseIntegerOrDie(option);
597 } else if (StartsWith(option, "-small-method-max:")) {
598 parsed->small_method_threshold_ = ParseIntegerOrDie(option);
599 } else if (StartsWith(option, "-tiny-method-max:")) {
600 parsed->tiny_method_threshold_ = ParseIntegerOrDie(option);
601 } else if (StartsWith(option, "-num-dex-methods-max:")) {
602 parsed->num_dex_methods_threshold_ = ParseIntegerOrDie(option);
Brian Carlstrom8a436592011-08-15 21:27:23 -0700603 } else {
604 if (!ignore_unrecognized) {
Brian Carlstrom6ea095a2011-08-16 15:26:54 -0700605 // TODO: print usage via vfprintf
Brian Carlstrom27ec9612011-09-19 20:20:38 -0700606 LOG(ERROR) << "Unrecognized option " << option;
607 // TODO: this should exit, but for now tolerate unknown options
Brian Carlstrom7934ac22013-07-26 10:54:15 -0700608 // return NULL;
Brian Carlstrom8a436592011-08-15 21:27:23 -0700609 }
610 }
611 }
612
Brian Carlstromfb67b722013-06-24 23:41:51 -0700613 // If a reference to the dalvik core.jar snuck in, replace it with
614 // the art specific version. This can happen with on device
615 // boot.art/boot.oat generation by GenerateImage which relies on the
616 // value of BOOTCLASSPATH.
617 std::string core_jar("/core.jar");
618 size_t core_jar_pos = parsed->boot_class_path_string_.find(core_jar);
619 if (core_jar_pos != std::string::npos) {
620 parsed->boot_class_path_string_.replace(core_jar_pos, core_jar.size(), "/core-libart.jar");
621 }
622
Brian Carlstrom223f20f2012-02-04 23:06:55 -0800623 if (!parsed->is_compiler_ && parsed->image_.empty()) {
624 parsed->image_ += GetAndroidRoot();
625 parsed->image_ += "/framework/boot.art";
Brian Carlstrom5de8fe52011-10-16 14:10:09 -0700626 }
jeffhaoc1160702011-10-27 15:48:45 -0700627 if (parsed->heap_growth_limit_ == 0) {
628 parsed->heap_growth_limit_ = parsed->heap_maximum_size_;
629 }
Brian Carlstrom5de8fe52011-10-16 14:10:09 -0700630
Brian Carlstrom69b15fb2011-09-03 12:25:21 -0700631 return parsed.release();
Brian Carlstrom8a436592011-08-15 21:27:23 -0700632}
633
Ian Rogers00f7d0e2012-07-19 15:28:27 -0700634bool Runtime::Create(const Options& options, bool ignore_unrecognized) {
Carl Shapiro2ed144c2011-07-26 16:52:08 -0700635 // TODO: acquire a static mutex on Runtime to avoid racing.
636 if (Runtime::instance_ != NULL) {
Ian Rogers00f7d0e2012-07-19 15:28:27 -0700637 return false;
Carl Shapiro2ed144c2011-07-26 16:52:08 -0700638 }
Brian Carlstrom7934ac22013-07-26 10:54:15 -0700639 InitLogging(NULL); // Calls Locks::Init() as a side effect.
Elliott Hughesdcc24742011-09-07 14:02:44 -0700640 instance_ = new Runtime;
641 if (!instance_->Init(options, ignore_unrecognized)) {
642 delete instance_;
643 instance_ = NULL;
Ian Rogers00f7d0e2012-07-19 15:28:27 -0700644 return false;
Carl Shapiro61e019d2011-07-14 16:53:09 -0700645 }
Ian Rogers00f7d0e2012-07-19 15:28:27 -0700646 return true;
Brian Carlstrom69b15fb2011-09-03 12:25:21 -0700647}
Elliott Hughes0af55432011-08-17 18:37:28 -0700648
Ian Rogers365c1022012-06-22 15:05:28 -0700649static void CreateSystemClassLoader() {
Elliott Hughesb3bd5f02012-03-08 21:05:27 -0800650 if (Runtime::Current()->UseCompileTimeClassPath()) {
Brian Carlstromaded5f72011-10-07 17:15:04 -0700651 return;
652 }
653
Ian Rogers00f7d0e2012-07-19 15:28:27 -0700654 ScopedObjectAccess soa(Thread::Current());
Brian Carlstromaded5f72011-10-07 17:15:04 -0700655
Ian Rogers2dd0e2c2013-01-24 12:42:14 -0800656 mirror::Class* class_loader_class =
657 soa.Decode<mirror::Class*>(WellKnownClasses::java_lang_ClassLoader);
Ian Rogers365c1022012-06-22 15:05:28 -0700658 CHECK(Runtime::Current()->GetClassLinker()->EnsureInitialized(class_loader_class, true, true));
Brian Carlstromaded5f72011-10-07 17:15:04 -0700659
Ian Rogers2dd0e2c2013-01-24 12:42:14 -0800660 mirror::AbstractMethod* getSystemClassLoader =
661 class_loader_class->FindDirectMethod("getSystemClassLoader", "()Ljava/lang/ClassLoader;");
Brian Carlstromdf143242011-10-10 18:05:34 -0700662 CHECK(getSystemClassLoader != NULL);
Brian Carlstromaded5f72011-10-07 17:15:04 -0700663
Jeff Hao5d917302013-02-27 17:57:33 -0800664 JValue result;
Jeff Hao5d917302013-02-27 17:57:33 -0800665 ArgArray arg_array(NULL, 0);
Jeff Hao6474d192013-03-26 14:08:09 -0700666 InvokeWithArgArray(soa, getSystemClassLoader, &arg_array, &result, 'L');
Jeff Hao5d917302013-02-27 17:57:33 -0800667 mirror::ClassLoader* class_loader = down_cast<mirror::ClassLoader*>(result.GetL());
Ian Rogers365c1022012-06-22 15:05:28 -0700668 CHECK(class_loader != NULL);
Jesse Wilson1b2b2f22011-11-22 11:47:44 -0500669
Ian Rogers00f7d0e2012-07-19 15:28:27 -0700670 soa.Self()->SetClassLoaderOverride(class_loader);
Ian Rogers365c1022012-06-22 15:05:28 -0700671
Ian Rogers2dd0e2c2013-01-24 12:42:14 -0800672 mirror::Class* thread_class = soa.Decode<mirror::Class*>(WellKnownClasses::java_lang_Thread);
Ian Rogers365c1022012-06-22 15:05:28 -0700673 CHECK(Runtime::Current()->GetClassLinker()->EnsureInitialized(thread_class, true, true));
674
Ian Rogers2dd0e2c2013-01-24 12:42:14 -0800675 mirror::Field* contextClassLoader = thread_class->FindDeclaredInstanceField("contextClassLoader",
676 "Ljava/lang/ClassLoader;");
Jesse Wilson1b2b2f22011-11-22 11:47:44 -0500677 CHECK(contextClassLoader != NULL);
Ian Rogers365c1022012-06-22 15:05:28 -0700678
Ian Rogerscfaa4552012-11-26 21:00:08 -0800679 contextClassLoader->SetObject(soa.Self()->GetPeer(), class_loader);
Brian Carlstromaded5f72011-10-07 17:15:04 -0700680}
681
Brian Carlstrombd86bcc2013-03-10 20:26:16 -0700682bool Runtime::Start() {
Elliott Hughes4dd9b4d2011-12-12 18:29:24 -0800683 VLOG(startup) << "Runtime::Start entering";
Brian Carlstrom58ae9412011-10-04 00:56:06 -0700684
685 CHECK(host_prefix_.empty()) << host_prefix_;
686
Elliott Hughes225f5a12012-06-11 11:23:48 -0700687 // Pre-allocate an OutOfMemoryError for the double-OOME case.
Ian Rogers00f7d0e2012-07-19 15:28:27 -0700688 Thread* self = Thread::Current();
Ian Rogers62d6c772013-02-27 08:32:07 -0800689 self->ThrowNewException(ThrowLocation(), "Ljava/lang/OutOfMemoryError;",
Elliott Hughes225f5a12012-06-11 11:23:48 -0700690 "OutOfMemoryError thrown while trying to throw OutOfMemoryError; no stack available");
Ian Rogers62d6c772013-02-27 08:32:07 -0800691 pre_allocated_OutOfMemoryError_ = self->GetException(NULL);
Elliott Hughes225f5a12012-06-11 11:23:48 -0700692 self->ClearException();
Brian Carlstromf28bc5b2011-10-26 01:15:03 -0700693
Ian Rogers00f7d0e2012-07-19 15:28:27 -0700694 // Restore main thread state to kNative as expected by native code.
695 self->TransitionFromRunnableToSuspended(kNative);
696
Brian Carlstrom5d40f182011-09-26 22:29:18 -0700697 started_ = true;
698
Brian Carlstromae826982011-11-09 01:33:42 -0800699 // InitNativeMethods needs to be after started_ so that the classes
700 // it touches will have methods linked to the oat file if necessary.
701 InitNativeMethods();
702
Ian Rogers365c1022012-06-22 15:05:28 -0700703 // Initialize well known thread group values that may be accessed threads while attaching.
704 InitThreadGroups(self);
705
Jesse Wilson9a6bae82011-11-14 14:57:30 -0500706 Thread::FinishStartup();
707
Brian Carlstrombd86bcc2013-03-10 20:26:16 -0700708 if (is_zygote_) {
709 if (!InitZygote()) {
710 return false;
711 }
712 } else {
Elliott Hughesd1cc8362011-10-24 16:58:50 -0700713 DidForkFromZygote();
714 }
Elliott Hughes9ca7a1f2011-10-11 14:29:52 -0700715
Elliott Hughes85d15452011-09-16 17:33:01 -0700716 StartDaemonThreads();
Brian Carlstrom0a5b14d2011-09-27 13:29:15 -0700717
Brian Carlstromaded5f72011-10-07 17:15:04 -0700718 CreateSystemClassLoader();
719
Elliott Hughes225f5a12012-06-11 11:23:48 -0700720 self->GetJniEnv()->locals.AssertEmpty();
Elliott Hughes726079d2011-10-07 18:43:44 -0700721
Elliott Hughes4dd9b4d2011-12-12 18:29:24 -0800722 VLOG(startup) << "Runtime::Start exiting";
Mathieu Chartier7664f5c2012-06-08 18:15:32 -0700723
724 finished_starting_ = true;
Brian Carlstrombd86bcc2013-03-10 20:26:16 -0700725
726 return true;
Elliott Hughes85d15452011-09-16 17:33:01 -0700727}
728
Ian Rogers120f1c72012-09-28 17:17:10 -0700729void Runtime::EndThreadBirth() EXCLUSIVE_LOCKS_REQUIRED(Locks::runtime_shutdown_lock_) {
730 DCHECK_GT(threads_being_born_, 0U);
731 threads_being_born_--;
732 if (shutting_down_started_ && threads_being_born_ == 0) {
Ian Rogersc604d732012-10-14 16:09:54 -0700733 shutdown_cond_->Broadcast(Thread::Current());
Ian Rogers120f1c72012-09-28 17:17:10 -0700734 }
735}
736
Brian Carlstrombd86bcc2013-03-10 20:26:16 -0700737// Do zygote-mode-only initialization.
738bool Runtime::InitZygote() {
739 // zygote goes into its own process group
Brian Carlstromb1eba212013-07-17 18:07:19 -0700740 setpgid(0, 0);
Brian Carlstrombd86bcc2013-03-10 20:26:16 -0700741
742 // See storage config details at http://source.android.com/tech/storage/
743 // Create private mount namespace shared by all children
744 if (unshare(CLONE_NEWNS) == -1) {
745 PLOG(WARNING) << "Failed to unshare()";
746 return false;
747 }
748
749 // Mark rootfs as being a slave so that changes from default
750 // namespace only flow into our children.
751 if (mount("rootfs", "/", NULL, (MS_SLAVE | MS_REC), NULL) == -1) {
752 PLOG(WARNING) << "Failed to mount() rootfs as MS_SLAVE";
753 return false;
754 }
755
756 // Create a staging tmpfs that is shared by our children; they will
757 // bind mount storage into their respective private namespaces, which
758 // are isolated from each other.
759 const char* target_base = getenv("EMULATED_STORAGE_TARGET");
760 if (target_base != NULL) {
761 if (mount("tmpfs", target_base, "tmpfs", MS_NOSUID | MS_NODEV,
762 "uid=0,gid=1028,mode=0050") == -1) {
763 LOG(WARNING) << "Failed to mount tmpfs to " << target_base;
764 return false;
765 }
766 }
767
768 return true;
769}
770
Brian Carlstromcaabb1b2011-10-11 18:09:13 -0700771void Runtime::DidForkFromZygote() {
Brian Carlstromcaabb1b2011-10-11 18:09:13 -0700772 is_zygote_ = false;
Elliott Hughesd1cc8362011-10-24 16:58:50 -0700773
Mathieu Chartier02b6a782012-10-26 13:51:26 -0700774 // Create the thread pool.
775 heap_->CreateThreadPool();
776
Brian Carlstromcaabb1b2011-10-11 18:09:13 -0700777 StartSignalCatcher();
Elliott Hughesd1cc8362011-10-24 16:58:50 -0700778
779 // Start the JDWP thread. If the command-line debugger flags specified "suspend=y",
780 // this will pause the runtime, so we probably want this to come last.
781 Dbg::StartJdwp();
Brian Carlstromcaabb1b2011-10-11 18:09:13 -0700782}
783
784void Runtime::StartSignalCatcher() {
785 if (!is_zygote_) {
Elliott Hughes94ce37a2011-10-18 15:07:48 -0700786 signal_catcher_ = new SignalCatcher(stack_trace_file_);
Brian Carlstromcaabb1b2011-10-11 18:09:13 -0700787 }
788}
789
Elliott Hughes85d15452011-09-16 17:33:01 -0700790void Runtime::StartDaemonThreads() {
Elliott Hughes4dd9b4d2011-12-12 18:29:24 -0800791 VLOG(startup) << "Runtime::StartDaemonThreads entering";
Elliott Hughes85d15452011-09-16 17:33:01 -0700792
Elliott Hughes719b3232011-09-25 17:42:19 -0700793 Thread* self = Thread::Current();
Brian Carlstromaded5f72011-10-07 17:15:04 -0700794
795 // Must be in the kNative state for calling native methods.
Ian Rogers50b35e22012-10-04 10:09:15 -0700796 CHECK_EQ(self->GetState(), kNative);
Brian Carlstromaded5f72011-10-07 17:15:04 -0700797
Elliott Hughes719b3232011-09-25 17:42:19 -0700798 JNIEnv* env = self->GetJniEnv();
Ian Rogers2fa6b2e2012-10-17 00:10:17 -0700799 env->CallStaticVoidMethod(WellKnownClasses::java_lang_Daemons,
800 WellKnownClasses::java_lang_Daemons_start);
801 if (env->ExceptionCheck()) {
802 env->ExceptionDescribe();
803 LOG(FATAL) << "Error starting java.lang.Daemons";
804 }
Elliott Hughes9ca7a1f2011-10-11 14:29:52 -0700805
Elliott Hughes4dd9b4d2011-12-12 18:29:24 -0800806 VLOG(startup) << "Runtime::StartDaemonThreads exiting";
Carl Shapiro61e019d2011-07-14 16:53:09 -0700807}
808
Elliott Hughes0af55432011-08-17 18:37:28 -0700809bool Runtime::Init(const Options& raw_options, bool ignore_unrecognized) {
Elliott Hughesc1674ed2011-08-25 18:09:09 -0700810 CHECK_EQ(sysconf(_SC_PAGE_SIZE), kPageSize);
Brian Carlstrom6ea095a2011-08-16 15:26:54 -0700811
Elliott Hughes90a33692011-08-30 13:27:07 -0700812 UniquePtr<ParsedOptions> options(ParsedOptions::Create(raw_options, ignore_unrecognized));
813 if (options.get() == NULL) {
Brian Carlstrome24fa612011-09-29 00:53:55 -0700814 LOG(ERROR) << "Failed to parse options";
Brian Carlstrom6ea095a2011-08-16 15:26:54 -0700815 return false;
816 }
Elliott Hughes4dd9b4d2011-12-12 18:29:24 -0800817 VLOG(startup) << "Runtime::Init -verbose:startup enabled";
Elliott Hughes7ede61e2011-09-14 18:18:06 -0700818
Elliott Hughes7c6169d2012-05-02 16:11:48 -0700819 QuasiAtomic::Startup();
820
Elliott Hughes4dd9b4d2011-12-12 18:29:24 -0800821 Monitor::Init(options->lock_profiling_threshold_, options->hook_is_sensitive_thread_);
Elliott Hughes32d6e1e2011-10-11 14:47:44 -0700822
Brian Carlstrom58ae9412011-10-04 00:56:06 -0700823 host_prefix_ = options->host_prefix_;
Brian Carlstroma004aa92012-02-08 18:05:09 -0800824 boot_class_path_string_ = options->boot_class_path_string_;
825 class_path_string_ = options->class_path_string_;
Elliott Hughes7ede61e2011-09-14 18:18:06 -0700826 properties_ = options->properties_;
827
Elliott Hughesd9c67be2012-02-02 19:54:06 -0800828 is_compiler_ = options->is_compiler_;
Elliott Hughes9ca7a1f2011-10-11 14:29:52 -0700829 is_zygote_ = options->is_zygote_;
Mathieu Chartier069387a2012-06-18 12:01:01 -0700830 is_concurrent_gc_enabled_ = options->is_concurrent_gc_enabled_;
Elliott Hughes9ca7a1f2011-10-11 14:29:52 -0700831
buzbeea024a062013-07-31 10:47:37 -0700832 compiler_filter_ = options->compiler_filter_;
833 huge_method_threshold_ = options->huge_method_threshold_;
834 large_method_threshold_ = options->large_method_threshold_;
835 small_method_threshold_ = options->small_method_threshold_;
836 tiny_method_threshold_ = options->tiny_method_threshold_;
837 num_dex_methods_threshold_ = options->num_dex_methods_threshold_;
Anwar Ghuloum8447d842013-04-30 17:27:40 -0700838
Dragos Sbirlea7467ee02013-06-21 09:20:34 -0700839 sea_ir_mode_ = options->sea_ir_mode_;
Elliott Hughes0af55432011-08-17 18:37:28 -0700840 vfprintf_ = options->hook_vfprintf_;
841 exit_ = options->hook_exit_;
842 abort_ = options->hook_abort_;
Brian Carlstrom6ea095a2011-08-16 15:26:54 -0700843
Elliott Hughesbe759c62011-09-08 19:38:21 -0700844 default_stack_size_ = options->stack_size_;
Elliott Hughes94ce37a2011-10-18 15:07:48 -0700845 stack_trace_file_ = options->stack_trace_file_;
Brian Carlstrom6ea095a2011-08-16 15:26:54 -0700846
Elliott Hughesc33a32b2011-10-11 18:18:07 -0700847 monitor_list_ = new MonitorList;
Elliott Hughes4dd9b4d2011-12-12 18:29:24 -0800848 thread_list_ = new ThreadList;
Elliott Hughescf4c6c42011-09-01 15:16:42 -0700849 intern_table_ = new InternTable;
850
Logan Chiendd361c92012-04-10 23:40:37 +0800851
Ian Rogers62d6c772013-02-27 08:32:07 -0800852 if (options->interpreter_only_) {
853 GetInstrumentation()->ForceInterpretOnly();
854 }
855
Ian Rogers1d54e732013-05-02 21:10:01 -0700856 heap_ = new gc::Heap(options->heap_initial_size_,
857 options->heap_growth_limit_,
858 options->heap_min_free_,
859 options->heap_max_free_,
860 options->heap_target_utilization_,
861 options->heap_maximum_size_,
862 options->image_,
Mathieu Chartier63a54342013-07-23 13:17:59 -0700863 options->is_concurrent_gc_enabled_,
Mathieu Chartiere0a53e92013-08-05 10:17:40 -0700864 options->heap_gc_threads_,
865 options->low_memory_mode_);
Brian Carlstrom6ea095a2011-08-16 15:26:54 -0700866
Elliott Hughesc1674ed2011-08-25 18:09:09 -0700867 BlockSignals();
Elliott Hughes457005c2012-04-16 13:54:25 -0700868 InitPlatformSignalHandlers();
Elliott Hughesc1674ed2011-08-25 18:09:09 -0700869
Elliott Hughesa0957642011-09-02 14:27:33 -0700870 java_vm_ = new JavaVMExt(this, options.get());
Elliott Hughes515a5bc2011-08-17 11:08:34 -0700871
Elliott Hughesbe759c62011-09-08 19:38:21 -0700872 Thread::Startup();
Elliott Hughesd92bec42011-09-02 17:04:36 -0700873
Mathieu Chartier664bebf2012-11-12 16:54:11 -0800874 // ClassLinker needs an attached thread, but we can't fully attach a thread without creating
875 // objects. We can't supply a thread group yet; it will be fixed later. Since we are the main
876 // thread, we do not get a java peer.
877 Thread* self = Thread::Attach("main", false, NULL, false);
878 CHECK_EQ(self->thin_lock_id_, ThreadList::kMainId);
Ian Rogers120f1c72012-09-28 17:17:10 -0700879 CHECK(self != NULL);
Brian Carlstrom6ea095a2011-08-16 15:26:54 -0700880
Brian Carlstromf28bc5b2011-10-26 01:15:03 -0700881 // Set us to runnable so tools using a runtime can allocate and GC by default
Ian Rogers120f1c72012-09-28 17:17:10 -0700882 self->TransitionFromSuspendedToRunnable();
Brian Carlstromf28bc5b2011-10-26 01:15:03 -0700883
Ian Rogers141d6222012-04-05 12:23:06 -0700884 // Now we're attached, we can take the heap lock and validate the heap.
885 GetHeap()->EnableObjectValidation();
886
Ian Rogers1d54e732013-05-02 21:10:01 -0700887 CHECK_GE(GetHeap()->GetContinuousSpaces().size(), 1U);
888 if (GetHeap()->GetContinuousSpaces()[0]->IsImageSpace()) {
Brian Carlstroma004aa92012-02-08 18:05:09 -0800889 class_linker_ = ClassLinker::CreateFromImage(intern_table_);
890 } else {
891 CHECK(options->boot_class_path_ != NULL);
892 CHECK_NE(options->boot_class_path_->size(), 0U);
893 class_linker_ = ClassLinker::CreateFromCompiler(*options->boot_class_path_, intern_table_);
894 }
895 CHECK(class_linker_ != NULL);
Sameer Abu Asal51a5fb72013-02-19 14:25:01 -0800896 verifier::MethodVerifier::Init();
Brian Carlstrom6ea095a2011-08-16 15:26:54 -0700897
jeffhaob5e81852012-03-12 11:15:45 -0700898 method_trace_ = options->method_trace_;
899 method_trace_file_ = options->method_trace_file_;
900 method_trace_file_size_ = options->method_trace_file_size_;
901
902 if (options->method_trace_) {
903 Trace::Start(options->method_trace_file_.c_str(), -1, options->method_trace_file_size_, 0, false);
904 }
905
Elliott Hughes4dd9b4d2011-12-12 18:29:24 -0800906 VLOG(startup) << "Runtime::Init exiting";
Carl Shapiro1fb86202011-06-27 17:43:13 -0700907 return true;
908}
909
Elliott Hughes038a8062011-09-18 14:12:41 -0700910void Runtime::InitNativeMethods() {
Elliott Hughes4dd9b4d2011-12-12 18:29:24 -0800911 VLOG(startup) << "Runtime::InitNativeMethods entering";
Elliott Hughesad7c2a32011-08-31 11:58:10 -0700912 Thread* self = Thread::Current();
913 JNIEnv* env = self->GetJniEnv();
914
Elliott Hughes418d20f2011-09-22 14:00:39 -0700915 // Must be in the kNative state for calling native methods (JNI_OnLoad code).
Ian Rogers50b35e22012-10-04 10:09:15 -0700916 CHECK_EQ(self->GetState(), kNative);
Elliott Hughesad7c2a32011-08-31 11:58:10 -0700917
Elliott Hughes418d20f2011-09-22 14:00:39 -0700918 // First set up JniConstants, which is used by both the runtime's built-in native
919 // methods and libcore.
Elliott Hughesfea966e2011-09-22 10:26:20 -0700920 JniConstants::init(env);
Elliott Hugheseac76672012-05-24 21:56:51 -0700921 WellKnownClasses::Init(env);
Elliott Hughesfea966e2011-09-22 10:26:20 -0700922
Elliott Hughes418d20f2011-09-22 14:00:39 -0700923 // Then set up the native methods provided by the runtime itself.
Elliott Hughesad7c2a32011-08-31 11:58:10 -0700924 RegisterRuntimeNativeMethods(env);
925
Elliott Hughes418d20f2011-09-22 14:00:39 -0700926 // Then set up libcore, which is just a regular JNI library with a regular JNI_OnLoad.
927 // Most JNI libraries can just use System.loadLibrary, but libcore can't because it's
928 // the library that implements System.loadLibrary!
Ian Rogers00f7d0e2012-07-19 15:28:27 -0700929 {
930 std::string mapped_name(StringPrintf(OS_SHARED_LIB_FORMAT_STR, "javacore"));
931 std::string reason;
932 self->TransitionFromSuspendedToRunnable();
933 if (!instance_->java_vm_->LoadNativeLibrary(mapped_name, NULL, reason)) {
934 LOG(FATAL) << "LoadNativeLibrary failed for \"" << mapped_name << "\": " << reason;
935 }
936 self->TransitionFromRunnableToSuspended(kNative);
937 }
Ian Rogersef28b142012-11-30 14:22:18 -0800938
939 // Initialize well known classes that may invoke runtime native methods.
940 WellKnownClasses::LateInit(env);
941
Elliott Hughes4dd9b4d2011-12-12 18:29:24 -0800942 VLOG(startup) << "Runtime::InitNativeMethods exiting";
Elliott Hughesad7c2a32011-08-31 11:58:10 -0700943}
944
Ian Rogers365c1022012-06-22 15:05:28 -0700945void Runtime::InitThreadGroups(Thread* self) {
946 JNIEnvExt* env = self->GetJniEnv();
947 ScopedJniEnvLocalRefState env_state(env);
948 main_thread_group_ =
949 env->NewGlobalRef(env->GetStaticObjectField(WellKnownClasses::java_lang_ThreadGroup,
950 WellKnownClasses::java_lang_ThreadGroup_mainThreadGroup));
Brian Carlstrom034f76b2012-08-01 15:51:58 -0700951 CHECK(main_thread_group_ != NULL || IsCompiler());
Ian Rogers365c1022012-06-22 15:05:28 -0700952 system_thread_group_ =
953 env->NewGlobalRef(env->GetStaticObjectField(WellKnownClasses::java_lang_ThreadGroup,
954 WellKnownClasses::java_lang_ThreadGroup_systemThreadGroup));
Brian Carlstrom034f76b2012-08-01 15:51:58 -0700955 CHECK(system_thread_group_ != NULL || IsCompiler());
956}
957
958jobject Runtime::GetMainThreadGroup() const {
959 CHECK(main_thread_group_ != NULL || IsCompiler());
960 return main_thread_group_;
961}
962
963jobject Runtime::GetSystemThreadGroup() const {
964 CHECK(system_thread_group_ != NULL || IsCompiler());
965 return system_thread_group_;
Ian Rogers365c1022012-06-22 15:05:28 -0700966}
967
Elliott Hughesad7c2a32011-08-31 11:58:10 -0700968void Runtime::RegisterRuntimeNativeMethods(JNIEnv* env) {
969#define REGISTER(FN) extern void FN(JNIEnv*); FN(env)
Ian Rogers5167c972012-02-03 10:41:20 -0800970 // Register Throwable first so that registration of other native methods can throw exceptions
971 REGISTER(register_java_lang_Throwable);
Brian Carlstromf91c8c32011-09-21 17:30:34 -0700972 REGISTER(register_dalvik_system_DexFile);
Elliott Hughes9d5ccec2011-09-19 13:19:50 -0700973 REGISTER(register_dalvik_system_VMDebug);
Elliott Hughes7ede61e2011-09-14 18:18:06 -0700974 REGISTER(register_dalvik_system_VMRuntime);
Elliott Hughes8daa0922011-09-11 13:46:25 -0700975 REGISTER(register_dalvik_system_VMStack);
Elliott Hughes01158d72011-09-19 19:47:10 -0700976 REGISTER(register_dalvik_system_Zygote);
Elliott Hughesd369bb72011-09-12 14:41:14 -0700977 REGISTER(register_java_lang_Class);
Elliott Hughesbf86d042011-08-31 17:53:14 -0700978 REGISTER(register_java_lang_Object);
979 REGISTER(register_java_lang_Runtime);
980 REGISTER(register_java_lang_String);
981 REGISTER(register_java_lang_System);
Elliott Hughes8daa0922011-09-11 13:46:25 -0700982 REGISTER(register_java_lang_Thread);
Elliott Hughes64bf5a32011-09-20 14:43:12 -0700983 REGISTER(register_java_lang_VMClassLoader);
Brian Carlstrom5b8e4c82011-09-18 01:38:59 -0700984 REGISTER(register_java_lang_reflect_Array);
Elliott Hughes2a20cfd2011-09-23 19:30:41 -0700985 REGISTER(register_java_lang_reflect_Constructor);
Brian Carlstromf867b6f2011-09-16 12:17:25 -0700986 REGISTER(register_java_lang_reflect_Field);
987 REGISTER(register_java_lang_reflect_Method);
Jesse Wilson95caa792011-10-12 18:14:17 -0400988 REGISTER(register_java_lang_reflect_Proxy);
Elliott Hughesbf86d042011-08-31 17:53:14 -0700989 REGISTER(register_java_util_concurrent_atomic_AtomicLong);
Brian Carlstrom395520e2011-09-25 19:35:00 -0700990 REGISTER(register_org_apache_harmony_dalvik_ddmc_DdmServer);
Elliott Hughesf6a1e1e2011-10-25 16:28:04 -0700991 REGISTER(register_org_apache_harmony_dalvik_ddmc_DdmVmInternal);
Elliott Hughes5ee7a8b2011-09-13 16:40:07 -0700992 REGISTER(register_sun_misc_Unsafe);
Elliott Hughesad7c2a32011-08-31 11:58:10 -0700993#undef REGISTER
994}
995
Elliott Hughesc967f782012-04-16 10:23:15 -0700996void Runtime::DumpForSigQuit(std::ostream& os) {
Elliott Hughescac6cc72011-11-03 20:31:21 -0700997 GetClassLinker()->DumpForSigQuit(os);
998 GetInternTable()->DumpForSigQuit(os);
Elliott Hughesae80b492012-04-24 10:43:17 -0700999 GetJavaVM()->DumpForSigQuit(os);
Elliott Hughesc967f782012-04-16 10:23:15 -07001000 GetHeap()->DumpForSigQuit(os);
Elliott Hughes42ee1422011-09-06 12:33:32 -07001001 os << "\n";
Elliott Hughes8daa0922011-09-11 13:46:25 -07001002
Elliott Hughesc967f782012-04-16 10:23:15 -07001003 thread_list_->DumpForSigQuit(os);
Ian Rogers56edc432013-01-18 16:51:51 -08001004 BaseMutex::DumpAll(os);
Elliott Hughese27955c2011-08-26 15:21:24 -07001005}
1006
Elliott Hughes21a5bf22011-12-07 14:35:20 -08001007void Runtime::DumpLockHolders(std::ostream& os) {
Ian Rogersb726dcb2012-09-05 08:57:23 -07001008 uint64_t mutator_lock_owner = Locks::mutator_lock_->GetExclusiveOwnerTid();
Elliott Hughes21a5bf22011-12-07 14:35:20 -08001009 pid_t thread_list_lock_owner = GetThreadList()->GetLockOwner();
1010 pid_t classes_lock_owner = GetClassLinker()->GetClassesLockOwner();
1011 pid_t dex_lock_owner = GetClassLinker()->GetDexLockOwner();
Ian Rogers00f7d0e2012-07-19 15:28:27 -07001012 if ((thread_list_lock_owner | classes_lock_owner | dex_lock_owner) != 0) {
1013 os << "Mutator lock exclusive owner tid: " << mutator_lock_owner << "\n"
Elliott Hughes21a5bf22011-12-07 14:35:20 -08001014 << "ThreadList lock owner tid: " << thread_list_lock_owner << "\n"
1015 << "ClassLinker classes lock owner tid: " << classes_lock_owner << "\n"
1016 << "ClassLinker dex lock owner tid: " << dex_lock_owner << "\n";
1017 }
1018}
1019
Elliott Hughes9d5ccec2011-09-19 13:19:50 -07001020void Runtime::SetStatsEnabled(bool new_state) {
1021 if (new_state == true) {
1022 GetStats()->Clear(~0);
1023 // TODO: wouldn't it make more sense to clear _all_ threads' stats?
1024 Thread::Current()->GetStats()->Clear(~0);
1025 }
1026 stats_enabled_ = new_state;
1027}
1028
1029void Runtime::ResetStats(int kinds) {
1030 GetStats()->Clear(kinds & 0xffff);
1031 // TODO: wouldn't it make more sense to clear _all_ threads' stats?
1032 Thread::Current()->GetStats()->Clear(kinds >> 16);
1033}
1034
Elliott Hughes9d5ccec2011-09-19 13:19:50 -07001035int32_t Runtime::GetStat(int kind) {
1036 RuntimeStats* stats;
1037 if (kind < (1<<16)) {
1038 stats = GetStats();
1039 } else {
1040 stats = Thread::Current()->GetStats();
1041 kind >>= 16;
1042 }
1043 switch (kind) {
1044 case KIND_ALLOCATED_OBJECTS:
1045 return stats->allocated_objects;
1046 case KIND_ALLOCATED_BYTES:
1047 return stats->allocated_bytes;
1048 case KIND_FREED_OBJECTS:
1049 return stats->freed_objects;
1050 case KIND_FREED_BYTES:
1051 return stats->freed_bytes;
1052 case KIND_GC_INVOCATIONS:
1053 return stats->gc_for_alloc_count;
1054 case KIND_CLASS_INIT_COUNT:
1055 return stats->class_init_count;
1056 case KIND_CLASS_INIT_TIME:
1057 // Convert ns to us, reduce to 32 bits.
Elliott Hughes398f64b2012-03-26 18:05:48 -07001058 return static_cast<int>(stats->class_init_time_ns / 1000);
Elliott Hughes9d5ccec2011-09-19 13:19:50 -07001059 case KIND_EXT_ALLOCATED_OBJECTS:
1060 case KIND_EXT_ALLOCATED_BYTES:
1061 case KIND_EXT_FREED_OBJECTS:
1062 case KIND_EXT_FREED_BYTES:
1063 return 0; // backward compatibility
1064 default:
Elliott Hughes7b9d9962012-04-20 18:48:18 -07001065 LOG(FATAL) << "Unknown statistic " << kind;
Brian Carlstrom7934ac22013-07-26 10:54:15 -07001066 return -1; // unreachable
Elliott Hughes9d5ccec2011-09-19 13:19:50 -07001067 }
1068}
1069
Elliott Hughesc1674ed2011-08-25 18:09:09 -07001070void Runtime::BlockSignals() {
Elliott Hughes457005c2012-04-16 13:54:25 -07001071 SignalSet signals;
1072 signals.Add(SIGPIPE);
Elliott Hughesc1674ed2011-08-25 18:09:09 -07001073 // SIGQUIT is used to dump the runtime's state (including stack traces).
Elliott Hughes457005c2012-04-16 13:54:25 -07001074 signals.Add(SIGQUIT);
Elliott Hughes08795042012-04-03 14:48:52 -07001075 // SIGUSR1 is used to initiate a GC.
Elliott Hughes457005c2012-04-16 13:54:25 -07001076 signals.Add(SIGUSR1);
1077 signals.Block();
Elliott Hughesc1674ed2011-08-25 18:09:09 -07001078}
1079
Mathieu Chartier664bebf2012-11-12 16:54:11 -08001080bool Runtime::AttachCurrentThread(const char* thread_name, bool as_daemon, jobject thread_group,
1081 bool create_peer) {
1082 bool success = Thread::Attach(thread_name, as_daemon, thread_group, create_peer) != NULL;
Elliott Hughes22869a92012-03-27 14:08:24 -07001083 if (thread_name == NULL) {
1084 LOG(WARNING) << *Thread::Current() << " attached without supplying a name";
1085 }
Ian Rogers120f1c72012-09-28 17:17:10 -07001086 return success;
Carl Shapiro61e019d2011-07-14 16:53:09 -07001087}
1088
Elliott Hughesd92bec42011-09-02 17:04:36 -07001089void Runtime::DetachCurrentThread() {
Brian Carlstrom4d571432012-05-16 00:21:41 -07001090 Thread* self = Thread::Current();
1091 if (self == NULL) {
1092 LOG(FATAL) << "attempting to detach thread that is not attached";
1093 }
Ian Rogers0399dde2012-06-06 17:09:28 -07001094 if (self->HasManagedStack()) {
Elliott Hughes22869a92012-03-27 14:08:24 -07001095 LOG(FATAL) << *Thread::Current() << " attempting to detach while still running code";
1096 }
Ian Rogers00f7d0e2012-07-19 15:28:27 -07001097 thread_list_->Unregister(self);
Carl Shapiro1fb86202011-06-27 17:43:13 -07001098}
1099
Ian Rogers1d54e732013-05-02 21:10:01 -07001100void Runtime::VisitConcurrentRoots(RootVisitor* visitor, void* arg, bool only_dirty,
1101 bool clean_dirty) {
1102 if (!only_dirty || intern_table_->IsDirty()) {
1103 intern_table_->VisitRoots(visitor, arg, clean_dirty);
Mathieu Chartier9ebae1f2012-10-15 17:38:16 -07001104 }
Ian Rogers1d54e732013-05-02 21:10:01 -07001105 if (!only_dirty || class_linker_->IsDirty()) {
1106 class_linker_->VisitRoots(visitor, arg, clean_dirty);
Mathieu Chartier9ebae1f2012-10-15 17:38:16 -07001107 }
1108}
1109
Ian Rogers2dd0e2c2013-01-24 12:42:14 -08001110void Runtime::VisitNonThreadRoots(RootVisitor* visitor, void* arg) {
Brian Carlstrome24fa612011-09-29 00:53:55 -07001111 java_vm_->VisitRoots(visitor, arg);
Elliott Hughes225f5a12012-06-11 11:23:48 -07001112 if (pre_allocated_OutOfMemoryError_ != NULL) {
1113 visitor(pre_allocated_OutOfMemoryError_, arg);
1114 }
Ian Rogers19846512012-02-24 11:42:47 -08001115 visitor(resolution_method_, arg);
Ian Rogers4f0d07c2011-10-06 23:38:47 -07001116 for (int i = 0; i < Runtime::kLastCalleeSaveType; i++) {
Elliott Hughes225f5a12012-06-11 11:23:48 -07001117 visitor(callee_save_methods_[i], arg);
Ian Rogers4f0d07c2011-10-06 23:38:47 -07001118 }
Brian Carlstrome24fa612011-09-29 00:53:55 -07001119}
1120
Ian Rogers2dd0e2c2013-01-24 12:42:14 -08001121void Runtime::VisitNonConcurrentRoots(RootVisitor* visitor, void* arg) {
Mathieu Chartier858f1c52012-10-17 17:45:55 -07001122 thread_list_->VisitRoots(visitor, arg);
1123 VisitNonThreadRoots(visitor, arg);
1124}
1125
Ian Rogers1d54e732013-05-02 21:10:01 -07001126void Runtime::VisitRoots(RootVisitor* visitor, void* arg, bool only_dirty, bool clean_dirty) {
1127 VisitConcurrentRoots(visitor, arg, only_dirty, clean_dirty);
Mathieu Chartier9ebae1f2012-10-15 17:38:16 -07001128 VisitNonConcurrentRoots(visitor, arg);
1129}
1130
Ian Rogers2dd0e2c2013-01-24 12:42:14 -08001131mirror::AbstractMethod* Runtime::CreateResolutionMethod() {
1132 mirror::Class* method_class = mirror::AbstractMethod::GetMethodClass();
Ian Rogers50b35e22012-10-04 10:09:15 -07001133 Thread* self = Thread::Current();
Ian Rogers2dd0e2c2013-01-24 12:42:14 -08001134 SirtRef<mirror::AbstractMethod>
1135 method(self, down_cast<mirror::AbstractMethod*>(method_class->AllocObject(self)));
Ian Rogers19846512012-02-24 11:42:47 -08001136 method->SetDeclaringClass(method_class);
1137 // TODO: use a special method for resolution method saves
1138 method->SetDexMethodIndex(DexFile::kDexNoIndex16);
Jeff Hao58df3272013-04-22 15:28:53 -07001139 // When compiling, the code pointer will get set later when the image is loaded.
Jeff Hao0aba0ba2013-06-03 14:49:28 -07001140 Runtime* r = Runtime::Current();
1141 ClassLinker* cl = r->GetClassLinker();
1142 method->SetEntryPointFromCompiledCode(r->IsCompiler() ? NULL : GetResolutionTrampoline(cl));
Ian Rogers19846512012-02-24 11:42:47 -08001143 return method.get();
1144}
1145
Ian Rogers2dd0e2c2013-01-24 12:42:14 -08001146mirror::AbstractMethod* Runtime::CreateCalleeSaveMethod(InstructionSet instruction_set,
1147 CalleeSaveType type) {
1148 mirror::Class* method_class = mirror::AbstractMethod::GetMethodClass();
Ian Rogers50b35e22012-10-04 10:09:15 -07001149 Thread* self = Thread::Current();
Ian Rogers2dd0e2c2013-01-24 12:42:14 -08001150 SirtRef<mirror::AbstractMethod>
1151 method(self, down_cast<mirror::AbstractMethod*>(method_class->AllocObject(self)));
Ian Rogersff1ed472011-09-20 13:46:24 -07001152 method->SetDeclaringClass(method_class);
Ian Rogers6d4d9fc2011-11-30 16:24:48 -08001153 // TODO: use a special method for callee saves
Ian Rogers19846512012-02-24 11:42:47 -08001154 method->SetDexMethodIndex(DexFile::kDexNoIndex16);
Jeff Haoaa4a7932013-05-13 11:28:27 -07001155 method->SetEntryPointFromCompiledCode(NULL);
Brian Carlstromae826982011-11-09 01:33:42 -08001156 if ((instruction_set == kThumb2) || (instruction_set == kArm)) {
Ian Rogers4f0d07c2011-10-06 23:38:47 -07001157 uint32_t ref_spills = (1 << art::arm::R5) | (1 << art::arm::R6) | (1 << art::arm::R7) |
1158 (1 << art::arm::R8) | (1 << art::arm::R10) | (1 << art::arm::R11);
1159 uint32_t arg_spills = (1 << art::arm::R1) | (1 << art::arm::R2) | (1 << art::arm::R3);
1160 uint32_t all_spills = (1 << art::arm::R4) | (1 << art::arm::R9);
jeffhaofa147e22012-10-12 17:03:32 -07001161 uint32_t core_spills = ref_spills | (type == kRefsAndArgs ? arg_spills : 0) |
1162 (type == kSaveAll ? all_spills : 0) | (1 << art::arm::LR);
Ian Rogers4f0d07c2011-10-06 23:38:47 -07001163 uint32_t fp_all_spills = (1 << art::arm::S0) | (1 << art::arm::S1) | (1 << art::arm::S2) |
1164 (1 << art::arm::S3) | (1 << art::arm::S4) | (1 << art::arm::S5) |
1165 (1 << art::arm::S6) | (1 << art::arm::S7) | (1 << art::arm::S8) |
1166 (1 << art::arm::S9) | (1 << art::arm::S10) | (1 << art::arm::S11) |
1167 (1 << art::arm::S12) | (1 << art::arm::S13) | (1 << art::arm::S14) |
1168 (1 << art::arm::S15) | (1 << art::arm::S16) | (1 << art::arm::S17) |
1169 (1 << art::arm::S18) | (1 << art::arm::S19) | (1 << art::arm::S20) |
1170 (1 << art::arm::S21) | (1 << art::arm::S22) | (1 << art::arm::S23) |
1171 (1 << art::arm::S24) | (1 << art::arm::S25) | (1 << art::arm::S26) |
1172 (1 << art::arm::S27) | (1 << art::arm::S28) | (1 << art::arm::S29) |
1173 (1 << art::arm::S30) | (1 << art::arm::S31);
1174 uint32_t fp_spills = type == kSaveAll ? fp_all_spills : 0;
1175 size_t frame_size = RoundUp((__builtin_popcount(core_spills) /* gprs */ +
1176 __builtin_popcount(fp_spills) /* fprs */ +
1177 1 /* Method* */) * kPointerSize, kStackAlignment);
Ian Rogers15fdb8c2011-09-25 15:45:07 -07001178 method->SetFrameSizeInBytes(frame_size);
Ian Rogers4f0d07c2011-10-06 23:38:47 -07001179 method->SetCoreSpillMask(core_spills);
1180 method->SetFpSpillMask(fp_spills);
jeffhao7fbee072012-08-24 17:56:54 -07001181 } else if (instruction_set == kMips) {
1182 uint32_t ref_spills = (1 << art::mips::S2) | (1 << art::mips::S3) | (1 << art::mips::S4) |
1183 (1 << art::mips::S5) | (1 << art::mips::S6) | (1 << art::mips::S7) |
Jeff Hao1f3bc2f2013-04-30 15:17:19 -07001184 (1 << art::mips::GP) | (1 << art::mips::FP);
jeffhao7fbee072012-08-24 17:56:54 -07001185 uint32_t arg_spills = (1 << art::mips::A1) | (1 << art::mips::A2) | (1 << art::mips::A3);
jeffhaofa147e22012-10-12 17:03:32 -07001186 uint32_t all_spills = (1 << art::mips::S0) | (1 << art::mips::S1);
jeffhao7fbee072012-08-24 17:56:54 -07001187 uint32_t core_spills = ref_spills | (type == kRefsAndArgs ? arg_spills : 0) |
jeffhaofa147e22012-10-12 17:03:32 -07001188 (type == kSaveAll ? all_spills : 0) | (1 << art::mips::RA);
jeffhao7fbee072012-08-24 17:56:54 -07001189 size_t frame_size = RoundUp((__builtin_popcount(core_spills) /* gprs */ +
Jeff Hao1f3bc2f2013-04-30 15:17:19 -07001190 (type == kRefsAndArgs ? 0 : 3) + 1 /* Method* */) *
1191 kPointerSize, kStackAlignment);
jeffhao7fbee072012-08-24 17:56:54 -07001192 method->SetFrameSizeInBytes(frame_size);
1193 method->SetCoreSpillMask(core_spills);
jeffhao07030602012-09-26 14:33:14 -07001194 method->SetFpSpillMask(0);
Brian Carlstromae826982011-11-09 01:33:42 -08001195 } else if (instruction_set == kX86) {
Ian Rogers7caad772012-03-30 01:07:54 -07001196 uint32_t ref_spills = (1 << art::x86::EBP) | (1 << art::x86::ESI) | (1 << art::x86::EDI);
1197 uint32_t arg_spills = (1 << art::x86::ECX) | (1 << art::x86::EDX) | (1 << art::x86::EBX);
1198 uint32_t core_spills = ref_spills | (type == kRefsAndArgs ? arg_spills : 0) |
1199 (1 << art::x86::kNumberOfCpuRegisters); // fake return address callee save
1200 size_t frame_size = RoundUp((__builtin_popcount(core_spills) /* gprs */ +
1201 1 /* Method* */) * kPointerSize, kStackAlignment);
1202 method->SetFrameSizeInBytes(frame_size);
1203 method->SetCoreSpillMask(core_spills);
Ian Rogersff1ed472011-09-20 13:46:24 -07001204 method->SetFpSpillMask(0);
1205 } else {
1206 UNIMPLEMENTED(FATAL);
1207 }
Brian Carlstrom40381fb2011-10-19 14:13:40 -07001208 return method.get();
Ian Rogersff1ed472011-09-20 13:46:24 -07001209}
1210
Ian Rogers2dd0e2c2013-01-24 12:42:14 -08001211void Runtime::SetCalleeSaveMethod(mirror::AbstractMethod* method, CalleeSaveType type) {
Ian Rogers4f0d07c2011-10-06 23:38:47 -07001212 DCHECK_LT(static_cast<int>(type), static_cast<int>(kLastCalleeSaveType));
Elliott Hughes225f5a12012-06-11 11:23:48 -07001213 callee_save_methods_[type] = method;
Brian Carlstrome24fa612011-09-29 00:53:55 -07001214}
1215
Ian Rogers00f7d0e2012-07-19 15:28:27 -07001216const std::vector<const DexFile*>& Runtime::GetCompileTimeClassPath(jobject class_loader) {
Elliott Hughesb3bd5f02012-03-08 21:05:27 -08001217 if (class_loader == NULL) {
1218 return GetClassLinker()->GetBootClassPath();
1219 }
1220 CHECK(UseCompileTimeClassPath());
1221 CompileTimeClassPaths::const_iterator it = compile_time_class_paths_.find(class_loader);
1222 CHECK(it != compile_time_class_paths_.end());
1223 return it->second;
1224}
1225
Ian Rogers00f7d0e2012-07-19 15:28:27 -07001226void Runtime::SetCompileTimeClassPath(jobject class_loader, std::vector<const DexFile*>& class_path) {
Elliott Hughesb3bd5f02012-03-08 21:05:27 -08001227 CHECK(!IsStarted());
1228 use_compile_time_class_path_ = true;
Elliott Hughesa0e18062012-04-13 15:59:59 -07001229 compile_time_class_paths_.Put(class_loader, class_path);
Elliott Hughesb3bd5f02012-03-08 21:05:27 -08001230}
1231
Carl Shapiro1fb86202011-06-27 17:43:13 -07001232} // namespace art