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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"
Brian Carlstromea46f952013-07-30 01:26:50 -070045#include "mirror/art_field-inl.h"
46#include "mirror/art_method-inl.h"
Ian Rogers2dd0e2c2013-01-24 12:42:14 -080047#include "mirror/array.h"
Ian Rogers62d6c772013-02-27 08:32:07 -080048#include "mirror/class-inl.h"
Ian Rogers2dd0e2c2013-01-24 12:42:14 -080049#include "mirror/class_loader.h"
Mathieu Chartierc528dba2013-11-26 12:00:11 -080050#include "mirror/stack_trace_element.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"
Dave Allison0aded082013-11-07 13:15:11 -080062#include "profiler.h"
Elliott Hughes3bb81562011-10-21 18:52:59 -070063#include "UniquePtr.h"
Ian Rogers776ac1f2012-04-13 23:36:36 -070064#include "verifier/method_verifier.h"
Elliott Hugheseac76672012-05-24 21:56:51 -070065#include "well_known_classes.h"
Carl Shapiro61e019d2011-07-14 16:53:09 -070066
Brian Carlstrom7934ac22013-07-26 10:54:15 -070067#include "JniConstants.h" // Last to avoid LOG redefinition in ics-mr1-plus-art.
Elliott Hughes90a33692011-08-30 13:27:07 -070068
Carl Shapiro1fb86202011-06-27 17:43:13 -070069namespace art {
70
Carl Shapiro2ed144c2011-07-26 16:52:08 -070071Runtime* Runtime::instance_ = NULL;
72
Elliott Hughesdcc24742011-09-07 14:02:44 -070073Runtime::Runtime()
Vladimir Marko2b5eaa22013-12-13 13:59:30 +000074 : compiler_callbacks_(nullptr),
Elliott Hughesd9c67be2012-02-02 19:54:06 -080075 is_zygote_(false),
Mathieu Chartier069387a2012-06-18 12:01:01 -070076 is_concurrent_gc_enabled_(true),
Anwar Ghuloum87183592013-08-14 12:12:19 -070077 is_explicit_gc_disabled_(false),
Elliott Hughes6cf23882012-06-15 15:42:07 -070078 default_stack_size_(0),
Elliott Hughesb3bd5f02012-03-08 21:05:27 -080079 heap_(NULL),
Ian Rogersd9c4fc92013-10-01 19:45:43 -070080 max_spins_before_thin_lock_inflation_(Monitor::kDefaultMaxSpinsBeforeThinLockInflation),
Elliott Hughesc33a32b2011-10-11 18:18:07 -070081 monitor_list_(NULL),
Elliott Hughesdcc24742011-09-07 14:02:44 -070082 thread_list_(NULL),
83 intern_table_(NULL),
84 class_linker_(NULL),
85 signal_catcher_(NULL),
86 java_vm_(NULL),
Elliott Hughes225f5a12012-06-11 11:23:48 -070087 pre_allocated_OutOfMemoryError_(NULL),
Ian Rogers19846512012-02-24 11:42:47 -080088 resolution_method_(NULL),
Jeff Hao88474b42013-10-23 16:24:40 -070089 imt_conflict_method_(NULL),
90 default_imt_(NULL),
Mathieu Chartierc528dba2013-11-26 12:00:11 -080091 method_verifiers_lock_("Method verifiers lock"),
Ian Rogers120f1c72012-09-28 17:17:10 -070092 threads_being_born_(0),
Ian Rogersc604d732012-10-14 16:09:54 -070093 shutdown_cond_(new ConditionVariable("Runtime shutdown", *Locks::runtime_shutdown_lock_)),
Elliott Hughes6b355752012-01-13 16:49:08 -080094 shutting_down_(false),
Ian Rogers120f1c72012-09-28 17:17:10 -070095 shutting_down_started_(false),
Elliott Hughesdcc24742011-09-07 14:02:44 -070096 started_(false),
Mathieu Chartier7664f5c2012-06-08 18:15:32 -070097 finished_starting_(false),
Elliott Hughesdcc24742011-09-07 14:02:44 -070098 vfprintf_(NULL),
99 exit_(NULL),
Elliott Hughes9d5ccec2011-09-19 13:19:50 -0700100 abort_(NULL),
jeffhao2692b572011-12-16 15:42:28 -0800101 stats_enabled_(false),
Ian Rogers776ac1f2012-04-13 23:36:36 -0700102 method_trace_(0),
103 method_trace_file_size_(0),
Ian Rogers62d6c772013-02-27 08:32:07 -0800104 instrumentation_(),
Ian Rogers365c1022012-06-22 15:05:28 -0700105 use_compile_time_class_path_(false),
106 main_thread_group_(NULL),
Hiroshi Yamauchi3b4c1892013-09-12 21:33:12 -0700107 system_thread_group_(NULL),
Ian Rogersfa824272013-11-05 16:12:57 -0800108 system_class_loader_(NULL) {
Ian Rogers4f0d07c2011-10-06 23:38:47 -0700109 for (int i = 0; i < Runtime::kLastCalleeSaveType; i++) {
Elliott Hughes225f5a12012-06-11 11:23:48 -0700110 callee_save_methods_[i] = NULL;
Ian Rogers4f0d07c2011-10-06 23:38:47 -0700111 }
Elliott Hughesdcc24742011-09-07 14:02:44 -0700112}
113
Carl Shapiro61e019d2011-07-14 16:53:09 -0700114Runtime::~Runtime() {
Hiroshi Yamauchi2e899a92013-11-22 16:50:12 -0800115 if (dump_gc_performance_on_shutdown_) {
116 // This can't be called from the Heap destructor below because it
117 // could call RosAlloc::InspectAll() which needs the thread_list
118 // to be still alive.
119 heap_->DumpGcPerformanceInfo(LOG(INFO));
120 }
121
Ian Rogers120f1c72012-09-28 17:17:10 -0700122 Thread* self = Thread::Current();
123 {
124 MutexLock mu(self, *Locks::runtime_shutdown_lock_);
125 shutting_down_started_ = true;
126 while (threads_being_born_ > 0) {
Ian Rogersc604d732012-10-14 16:09:54 -0700127 shutdown_cond_->Wait(self);
Ian Rogers120f1c72012-09-28 17:17:10 -0700128 }
129 shutting_down_ = true;
130 }
Ian Rogers62d6c772013-02-27 08:32:07 -0800131 Trace::Shutdown();
jeffhaob5e81852012-03-12 11:15:45 -0700132
Mathieu Chartiera6399032012-06-11 18:49:50 -0700133 // Make sure to let the GC complete if it is running.
Mathieu Chartier590fee92013-09-13 13:46:47 -0700134 heap_->WaitForGcToComplete(self);
Mathieu Chartier35883cc2012-11-13 14:08:12 -0800135 heap_->DeleteThreadPool();
Mathieu Chartiera6399032012-06-11 18:49:50 -0700136
Elliott Hughes5fe594f2011-09-08 12:33:17 -0700137 // Make sure our internal threads are dead before we start tearing down things they're using.
Elliott Hughese52e49b2012-04-02 16:05:44 -0700138 Dbg::StopJdwp();
Elliott Hughes5fe594f2011-09-08 12:33:17 -0700139 delete signal_catcher_;
140
Elliott Hughes038a8062011-09-18 14:12:41 -0700141 // Make sure all other non-daemon threads have terminated, and all daemon threads are suspended.
Elliott Hughes93e74e82011-09-13 11:07:03 -0700142 delete thread_list_;
Elliott Hughesc33a32b2011-10-11 18:18:07 -0700143 delete monitor_list_;
Carl Shapiro61e019d2011-07-14 16:53:09 -0700144 delete class_linker_;
Elliott Hughesb3bd5f02012-03-08 21:05:27 -0800145 delete heap_;
Elliott Hughescf4c6c42011-09-01 15:16:42 -0700146 delete intern_table_;
Elliott Hughesc5f7c912011-08-18 14:00:42 -0700147 delete java_vm_;
Elliott Hughesc1674ed2011-08-25 18:09:09 -0700148 Thread::Shutdown();
Elliott Hughes7c6169d2012-05-02 16:11:48 -0700149 QuasiAtomic::Shutdown();
Sebastien Hertz4d4adb12013-07-24 16:14:19 +0200150 verifier::MethodVerifier::Shutdown();
Carl Shapiro4acf4642011-07-26 18:54:13 -0700151 // TODO: acquire a static mutex on Runtime to avoid racing.
Brian Carlstrom4a289ed2011-08-16 17:17:49 -0700152 CHECK(instance_ == NULL || instance_ == this);
Carl Shapiro4acf4642011-07-26 18:54:13 -0700153 instance_ = NULL;
Carl Shapiro61e019d2011-07-14 16:53:09 -0700154}
155
Elliott Hughese0918552011-10-28 17:18:29 -0700156struct AbortState {
157 void Dump(std::ostream& os) {
Ian Rogersf08e4732013-04-09 09:45:49 -0700158 if (gAborting > 1) {
Elliott Hughescac6cc72011-11-03 20:31:21 -0700159 os << "Runtime aborting --- recursively, so no thread-specific detail!\n";
160 return;
161 }
Ian Rogersf08e4732013-04-09 09:45:49 -0700162 gAborting++;
Elliott Hughese0918552011-10-28 17:18:29 -0700163 os << "Runtime aborting...\n";
Elliott Hughes6c7d2442012-02-01 18:40:47 -0800164 if (Runtime::Current() == NULL) {
165 os << "(Runtime does not yet exist!)\n";
166 return;
167 }
Elliott Hughese0918552011-10-28 17:18:29 -0700168 Thread* self = Thread::Current();
169 if (self == NULL) {
170 os << "(Aborting thread was not attached to runtime!)\n";
171 } else {
Ian Rogers00f7d0e2012-07-19 15:28:27 -0700172 // TODO: we're aborting and the ScopedObjectAccess may attempt to acquire the mutator_lock_
173 // which may block indefinitely if there's a misbehaving thread holding it exclusively.
174 // The code below should be made robust to this.
175 ScopedObjectAccess soa(self);
Ian Rogers2f7f9b62012-10-10 18:24:05 -0700176 os << "Aborting thread:\n";
Elliott Hughes899e7892012-01-24 14:57:32 -0800177 self->Dump(os);
178 if (self->IsExceptionPending()) {
Ian Rogers62d6c772013-02-27 08:32:07 -0800179 ThrowLocation throw_location;
180 mirror::Throwable* exception = self->GetException(&throw_location);
181 os << "Pending exception " << PrettyTypeOf(exception)
Ian Rogersbc939662013-08-15 10:26:54 -0700182 << " thrown by '" << throw_location.Dump() << "'\n"
Ian Rogers62d6c772013-02-27 08:32:07 -0800183 << exception->Dump();
Elliott Hughes899e7892012-01-24 14:57:32 -0800184 }
Elliott Hughese0918552011-10-28 17:18:29 -0700185 }
Ian Rogers2f7f9b62012-10-10 18:24:05 -0700186 DumpAllThreads(os, self);
187 }
188
189 void DumpAllThreads(std::ostream& os, Thread* self) NO_THREAD_SAFETY_ANALYSIS {
190 bool tll_already_held = Locks::thread_list_lock_->IsExclusiveHeld(self);
191 bool ml_already_held = Locks::mutator_lock_->IsSharedHeld(self);
Ian Rogersfbd22912012-10-12 14:21:10 -0700192 if (!tll_already_held || !ml_already_held) {
193 os << "Dumping all threads without appropriate locks held:"
194 << (!tll_already_held ? " thread list lock" : "")
Ian Rogers2fa6b2e2012-10-17 00:10:17 -0700195 << (!ml_already_held ? " mutator lock" : "")
196 << "\n";
Ian Rogers2f7f9b62012-10-10 18:24:05 -0700197 }
Ian Rogersfbd22912012-10-12 14:21:10 -0700198 os << "All threads:\n";
199 Runtime::Current()->GetThreadList()->DumpLocked(os);
Elliott Hughese0918552011-10-28 17:18:29 -0700200 }
201};
202
Elliott Hughes8593fdb2012-04-21 20:53:44 -0700203void Runtime::Abort() {
Ian Rogersf08e4732013-04-09 09:45:49 -0700204 gAborting++; // set before taking any locks
Brian Carlstrom81b88712012-11-05 19:21:30 -0800205
Elliott Hughes131aef82012-01-27 11:53:35 -0800206 // Ensure that we don't have multiple threads trying to abort at once,
207 // which would result in significantly worse diagnostics.
Ian Rogers50b35e22012-10-04 10:09:15 -0700208 MutexLock mu(Thread::Current(), *Locks::abort_lock_);
Elliott Hughes131aef82012-01-27 11:53:35 -0800209
Elliott Hughesffe67362011-07-17 12:09:27 -0700210 // Get any pending output out of the way.
211 fflush(NULL);
212
213 // Many people have difficulty distinguish aborts from crashes,
214 // so be explicit.
Elliott Hughese0918552011-10-28 17:18:29 -0700215 AbortState state;
Elliott Hughes9ee5f9c2012-02-03 18:33:16 -0800216 LOG(INTERNAL_FATAL) << Dumpable<AbortState>(state);
Elliott Hughesffe67362011-07-17 12:09:27 -0700217
Elliott Hughes8593fdb2012-04-21 20:53:44 -0700218 // Call the abort hook if we have one.
Brian Carlstrom6ea095a2011-08-16 15:26:54 -0700219 if (Runtime::Current() != NULL && Runtime::Current()->abort_ != NULL) {
Elliott Hughes6c1c69e2012-04-23 16:12:51 -0700220 LOG(INTERNAL_FATAL) << "Calling abort hook...";
Brian Carlstrom6ea095a2011-08-16 15:26:54 -0700221 Runtime::Current()->abort_();
222 // notreached
Elliott Hughes6c1c69e2012-04-23 16:12:51 -0700223 LOG(INTERNAL_FATAL) << "Unexpectedly returned from abort hook!";
Brian Carlstrom6ea095a2011-08-16 15:26:54 -0700224 }
225
Elliott Hughesdd623db2013-06-11 11:20:23 -0700226#if defined(__GLIBC__)
Elliott Hughesd06a6c72012-05-30 17:59:06 -0700227 // TODO: we ought to be able to use pthread_kill(3) here (or abort(3),
228 // which POSIX defines in terms of raise(3), which POSIX defines in terms
229 // of pthread_kill(3)). On Linux, though, libcorkscrew can't unwind through
230 // libpthread, which means the stacks we dump would be useless. Calling
231 // tgkill(2) directly avoids that.
232 syscall(__NR_tgkill, getpid(), GetTid(), SIGABRT);
Elliott Hughesdd623db2013-06-11 11:20:23 -0700233 // TODO: LLVM installs it's own SIGABRT handler so exit to be safe... Can we disable that in LLVM?
234 // 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 -0800235 exit(1);
Elliott Hughesdd623db2013-06-11 11:20:23 -0700236#else
237 abort();
Elliott Hughesd06a6c72012-05-30 17:59:06 -0700238#endif
Elliott Hughesffe67362011-07-17 12:09:27 -0700239 // notreached
240}
241
Mathieu Chartiercc236d72012-07-20 10:29:05 -0700242bool Runtime::PreZygoteFork() {
243 heap_->PreZygoteFork();
244 return true;
245}
246
Elliott Hughesbf86d042011-08-31 17:53:14 -0700247void Runtime::CallExitHook(jint status) {
248 if (exit_ != NULL) {
Elliott Hughes34e06962012-04-09 13:55:55 -0700249 ScopedThreadStateChange tsc(Thread::Current(), kNative);
Elliott Hughesbf86d042011-08-31 17:53:14 -0700250 exit_(status);
251 LOG(WARNING) << "Exit hook returned instead of exiting!";
252 }
253}
254
Brian Carlstrom8a436592011-08-15 21:27:23 -0700255// Parse a string of the form /[0-9]+[kKmMgG]?/, which is used to specify
256// memory sizes. [kK] indicates kilobytes, [mM] megabytes, and
257// [gG] gigabytes.
258//
259// "s" should point just past the "-Xm?" part of the string.
Brian Carlstrom8a436592011-08-15 21:27:23 -0700260// "div" specifies a divisor, e.g. 1024 if the value must be a multiple
261// of 1024.
262//
263// The spec says the -Xmx and -Xms options must be multiples of 1024. It
264// doesn't say anything about -Xss.
265//
266// Returns 0 (a useless size) if "s" is malformed or specifies a low or
267// non-evenly-divisible value.
268//
Elliott Hughesc1f143d2011-12-01 17:31:10 -0800269size_t ParseMemoryOption(const char* s, size_t div) {
Brian Carlstrom8a436592011-08-15 21:27:23 -0700270 // strtoul accepts a leading [+-], which we don't want,
271 // so make sure our string starts with a decimal digit.
272 if (isdigit(*s)) {
Elliott Hughes398f64b2012-03-26 18:05:48 -0700273 char* s2;
274 size_t val = strtoul(s, &s2, 10);
Brian Carlstrom8a436592011-08-15 21:27:23 -0700275 if (s2 != s) {
276 // s2 should be pointing just after the number.
277 // If this is the end of the string, the user
278 // has specified a number of bytes. Otherwise,
279 // there should be exactly one more character
280 // that specifies a multiplier.
281 if (*s2 != '\0') {
Brian Carlstromf734cf52011-08-17 16:28:14 -0700282 // The remainder of the string is either a single multiplier
283 // character, or nothing to indicate that the value is in
284 // bytes.
285 char c = *s2++;
286 if (*s2 == '\0') {
287 size_t mul;
288 if (c == '\0') {
289 mul = 1;
290 } else if (c == 'k' || c == 'K') {
291 mul = KB;
292 } else if (c == 'm' || c == 'M') {
293 mul = MB;
294 } else if (c == 'g' || c == 'G') {
295 mul = GB;
Brian Carlstrom8a436592011-08-15 21:27:23 -0700296 } else {
Brian Carlstromf734cf52011-08-17 16:28:14 -0700297 // Unknown multiplier character.
Brian Carlstrom8a436592011-08-15 21:27:23 -0700298 return 0;
299 }
Brian Carlstromf734cf52011-08-17 16:28:14 -0700300
301 if (val <= std::numeric_limits<size_t>::max() / mul) {
302 val *= mul;
303 } else {
304 // Clamp to a multiple of 1024.
305 val = std::numeric_limits<size_t>::max() & ~(1024-1);
306 }
307 } else {
308 // There's more than one character after the numeric part.
309 return 0;
310 }
Brian Carlstrom8a436592011-08-15 21:27:23 -0700311 }
312 // The man page says that a -Xm value must be a multiple of 1024.
313 if (val % div == 0) {
314 return val;
315 }
Carl Shapirofc322c72011-07-27 00:20:01 -0700316 }
317 }
Brian Carlstrom8a436592011-08-15 21:27:23 -0700318 return 0;
Carl Shapirofc322c72011-07-27 00:20:01 -0700319}
320
Elliott Hughesf1a5adc2012-02-10 18:09:35 -0800321size_t ParseIntegerOrDie(const std::string& s) {
322 std::string::size_type colon = s.find(':');
323 if (colon == std::string::npos) {
Elliott Hughesbb1e8f02011-10-18 14:14:25 -0700324 LOG(FATAL) << "Missing integer: " << s;
325 }
Elliott Hughesf1a5adc2012-02-10 18:09:35 -0800326 const char* begin = &s[colon + 1];
Elliott Hughesbb1e8f02011-10-18 14:14:25 -0700327 char* end;
328 size_t result = strtoul(begin, &end, 10);
329 if (begin == end || *end != '\0') {
330 LOG(FATAL) << "Failed to parse integer in: " << s;
331 }
332 return result;
333}
334
Dave Allison0aded082013-11-07 13:15:11 -0800335double ParseDoubleOrDie(const std::string& option, const char* prefix,
336 double min, double max, bool ignore_unrecognized,
337 double defval) {
338 std::istringstream iss(option.substr(strlen(prefix)));
339 double value;
340 iss >> value;
341 // Ensure that we have a value, there was no cruft after it and it satisfies a sensible range.
342 const bool sane_val = iss.eof() && (value >= min) && (value <= max);
343 if (!sane_val) {
344 if (ignore_unrecognized) {
345 return defval;
346 }
347 LOG(FATAL)<< "Invalid option '" << option << "'";
348 return defval;
349 }
350 return value;
351}
352
Mathieu Chartier6aa3df92013-09-17 15:17:28 -0700353void Runtime::SweepSystemWeaks(RootVisitor* visitor, void* arg) {
354 GetInternTable()->SweepInternTableWeaks(visitor, arg);
355 GetMonitorList()->SweepMonitorList(visitor, arg);
356 GetJavaVM()->SweepJniWeakGlobals(visitor, arg);
357}
358
Mathieu Chartiere6da9af2013-12-16 11:54:42 -0800359static gc::CollectorType ParseCollectorType(const std::string& option) {
360 std::vector<std::string> gc_options;
361 Split(option, ',', gc_options);
362 gc::CollectorType collector_type = gc::kCollectorTypeNone;
363 for (size_t i = 0; i < gc_options.size(); ++i) {
364 if (gc_options[i] == "MS" || gc_options[i] == "nonconcurrent") {
365 collector_type = gc::kCollectorTypeMS;
366 } else if (gc_options[i] == "CMS" || gc_options[i] == "concurrent") {
367 collector_type = gc::kCollectorTypeCMS;
368 } else if (gc_options[i] == "SS") {
369 collector_type = gc::kCollectorTypeSS;
Hiroshi Yamauchi6f4ffe42014-01-13 12:30:44 -0800370 } else if (gc_options[i] == "GSS") {
371 collector_type = gc::kCollectorTypeGSS;
Mathieu Chartiere6da9af2013-12-16 11:54:42 -0800372 } else {
373 LOG(WARNING) << "Ignoring unknown -Xgc option: " << gc_options[i];
374 return gc::kCollectorTypeNone;
375 }
376 }
377 return collector_type;
378}
379
Brian Carlstrom6ea095a2011-08-16 15:26:54 -0700380Runtime::ParsedOptions* Runtime::ParsedOptions::Create(const Options& options, bool ignore_unrecognized) {
Elliott Hughes90a33692011-08-30 13:27:07 -0700381 UniquePtr<ParsedOptions> parsed(new ParsedOptions());
Brian Carlstroma004aa92012-02-08 18:05:09 -0800382 const char* boot_class_path_string = getenv("BOOTCLASSPATH");
383 if (boot_class_path_string != NULL) {
384 parsed->boot_class_path_string_ = boot_class_path_string;
Brian Carlstrom58ae9412011-10-04 00:56:06 -0700385 }
Brian Carlstroma004aa92012-02-08 18:05:09 -0800386 const char* class_path_string = getenv("CLASSPATH");
387 if (class_path_string != NULL) {
388 parsed->class_path_string_ = class_path_string;
Brian Carlstrom58ae9412011-10-04 00:56:06 -0700389 }
Elliott Hughes67d92002012-03-26 15:08:51 -0700390 // -Xcheck:jni is off by default for regular builds but on by default in debug builds.
391 parsed->check_jni_ = kIsDebugBuild;
Elliott Hughes85d15452011-09-16 17:33:01 -0700392
Ian Rogers1d54e732013-05-02 21:10:01 -0700393 parsed->heap_initial_size_ = gc::Heap::kDefaultInitialSize;
394 parsed->heap_maximum_size_ = gc::Heap::kDefaultMaximumSize;
395 parsed->heap_min_free_ = gc::Heap::kDefaultMinFree;
396 parsed->heap_max_free_ = gc::Heap::kDefaultMaxFree;
397 parsed->heap_target_utilization_ = gc::Heap::kDefaultTargetUtilization;
Mathieu Chartier692fafd2013-11-29 17:24:40 -0800398 parsed->heap_growth_limit_ = 0; // 0 means no growth limit .
Mathieu Chartier63a54342013-07-23 13:17:59 -0700399 // Default to number of processors minus one since the main GC thread also does work.
Mathieu Chartier2775ee42013-08-20 17:43:47 -0700400 parsed->parallel_gc_threads_ = sysconf(_SC_NPROCESSORS_CONF) - 1;
401 // Only the main GC thread, no workers.
402 parsed->conc_gc_threads_ = 0;
Mathieu Chartier0de9f732013-11-22 17:58:48 -0800403 // Default is CMS which is Sticky + Partial + Full CMS GC.
Mathieu Chartier0f875ef2014-01-14 15:49:54 -0800404 parsed->collector_type_ = gc::kCollectorTypeCMS;
Mathieu Chartiere6da9af2013-12-16 11:54:42 -0800405 // If background_collector_type_ is kCollectorTypeNone, it defaults to the collector_type_ after
406 // parsing options.
407 parsed->background_collector_type_ = gc::kCollectorTypeNone;
Brian Carlstrom7934ac22013-07-26 10:54:15 -0700408 parsed->stack_size_ = 0; // 0 means default.
Ian Rogersd9c4fc92013-10-01 19:45:43 -0700409 parsed->max_spins_before_thin_lock_inflation_ = Monitor::kDefaultMaxSpinsBeforeThinLockInflation;
Mathieu Chartiere0a53e92013-08-05 10:17:40 -0700410 parsed->low_memory_mode_ = false;
Mathieu Chartier692fafd2013-11-29 17:24:40 -0800411 parsed->use_tlab_ = false;
Brian Carlstromf734cf52011-08-17 16:28:14 -0700412
Vladimir Marko2b5eaa22013-12-13 13:59:30 +0000413 parsed->compiler_callbacks_ = nullptr;
Elliott Hughes9ca7a1f2011-10-11 14:29:52 -0700414 parsed->is_zygote_ = false;
Ian Rogers50ffee22012-11-20 11:47:44 -0800415 parsed->interpreter_only_ = false;
Anwar Ghuloum87183592013-08-14 12:12:19 -0700416 parsed->is_explicit_gc_disabled_ = false;
Elliott Hughes9ca7a1f2011-10-11 14:29:52 -0700417
Mathieu Chartier2775ee42013-08-20 17:43:47 -0700418 parsed->long_pause_log_threshold_ = gc::Heap::kDefaultLongPauseLogThreshold;
419 parsed->long_gc_log_threshold_ = gc::Heap::kDefaultLongGCLogThreshold;
Mathieu Chartierff3b24a2013-11-22 16:04:25 -0800420 parsed->dump_gc_performance_on_shutdown_ = false;
Mathieu Chartier2775ee42013-08-20 17:43:47 -0700421 parsed->ignore_max_footprint_ = false;
422
Elliott Hughesfc861622011-10-17 17:57:47 -0700423 parsed->lock_profiling_threshold_ = 0;
424 parsed->hook_is_sensitive_thread_ = NULL;
425
Brian Carlstrom6ea095a2011-08-16 15:26:54 -0700426 parsed->hook_vfprintf_ = vfprintf;
427 parsed->hook_exit_ = exit;
Brian Carlstrom7934ac22013-07-26 10:54:15 -0700428 parsed->hook_abort_ = NULL; // We don't call abort(3) by default; see Runtime::Abort.
Brian Carlstrom8a436592011-08-15 21:27:23 -0700429
buzbeea024a062013-07-31 10:47:37 -0700430 parsed->compiler_filter_ = Runtime::kDefaultCompilerFilter;
431 parsed->huge_method_threshold_ = Runtime::kDefaultHugeMethodThreshold;
432 parsed->large_method_threshold_ = Runtime::kDefaultLargeMethodThreshold;
433 parsed->small_method_threshold_ = Runtime::kDefaultSmallMethodThreshold;
434 parsed->tiny_method_threshold_ = Runtime::kDefaultTinyMethodThreshold;
435 parsed->num_dex_methods_threshold_ = Runtime::kDefaultNumDexMethodsThreshold;
Anwar Ghuloum8447d842013-04-30 17:27:40 -0700436
Dragos Sbirlea7467ee02013-06-21 09:20:34 -0700437 parsed->sea_ir_mode_ = false;
Brian Carlstrom7934ac22013-07-26 10:54:15 -0700438// gLogVerbosity.class_linker = true; // TODO: don't check this in!
439// gLogVerbosity.compiler = true; // TODO: don't check this in!
Anwar Ghuloum75a43f12013-08-13 17:22:14 -0700440// gLogVerbosity.verifier = true; // TODO: don't check this in!
Brian Carlstrom7934ac22013-07-26 10:54:15 -0700441// gLogVerbosity.heap = true; // TODO: don't check this in!
442// gLogVerbosity.gc = true; // TODO: don't check this in!
443// gLogVerbosity.jdwp = true; // TODO: don't check this in!
444// gLogVerbosity.jni = true; // TODO: don't check this in!
445// gLogVerbosity.monitor = true; // TODO: don't check this in!
446// gLogVerbosity.startup = true; // TODO: don't check this in!
447// gLogVerbosity.third_party_jni = true; // TODO: don't check this in!
448// gLogVerbosity.threads = true; // TODO: don't check this in!
Elliott Hughesb3bd5f02012-03-08 21:05:27 -0800449
jeffhaob5e81852012-03-12 11:15:45 -0700450 parsed->method_trace_ = false;
451 parsed->method_trace_file_ = "/data/method-trace-file.bin";
452 parsed->method_trace_file_size_ = 10 * MB;
453
Dave Allison0aded082013-11-07 13:15:11 -0800454 parsed->profile_ = false;
455 parsed->profile_period_s_ = 10; // Seconds.
456 parsed->profile_duration_s_ = 20; // Seconds.
457 parsed->profile_interval_us_ = 500; // Microseconds.
458 parsed->profile_backoff_coefficient_ = 2.0;
459
Brian Carlstrom8a436592011-08-15 21:27:23 -0700460 for (size_t i = 0; i < options.size(); ++i) {
Elliott Hughesf1a5adc2012-02-10 18:09:35 -0800461 const std::string option(options[i].first);
Brian Carlstrom0796af02011-10-12 14:31:45 -0700462 if (true && options[0].first == "-Xzygote") {
Brian Carlstrom58ae9412011-10-04 00:56:06 -0700463 LOG(INFO) << "option[" << i << "]=" << option;
464 }
Elliott Hughesf1a5adc2012-02-10 18:09:35 -0800465 if (StartsWith(option, "-Xbootclasspath:")) {
Brian Carlstroma004aa92012-02-08 18:05:09 -0800466 parsed->boot_class_path_string_ = option.substr(strlen("-Xbootclasspath:")).data();
Brian Carlstrom69b15fb2011-09-03 12:25:21 -0700467 } else if (option == "-classpath" || option == "-cp") {
468 // TODO: support -Djava.class.path
469 i++;
470 if (i == options.size()) {
471 // TODO: usage
472 LOG(FATAL) << "Missing required class path value for " << option;
473 return NULL;
474 }
Brian Carlstroma004aa92012-02-08 18:05:09 -0800475 const StringPiece& value = options[i].first;
476 parsed->class_path_string_ = value.data();
477 } else if (option == "bootclasspath") {
478 parsed->boot_class_path_
479 = reinterpret_cast<const std::vector<const DexFile*>*>(options[i].second);
Elliott Hughesf1a5adc2012-02-10 18:09:35 -0800480 } else if (StartsWith(option, "-Ximage:")) {
Brian Carlstroma004aa92012-02-08 18:05:09 -0800481 parsed->image_ = option.substr(strlen("-Ximage:")).data();
Elliott Hughesf1a5adc2012-02-10 18:09:35 -0800482 } else if (StartsWith(option, "-Xcheck:jni")) {
Elliott Hughes515a5bc2011-08-17 11:08:34 -0700483 parsed->check_jni_ = true;
Elliott Hughesf1a5adc2012-02-10 18:09:35 -0800484 } else if (StartsWith(option, "-Xrunjdwp:") || StartsWith(option, "-agentlib:jdwp=")) {
485 std::string tail(option.substr(option[1] == 'X' ? 10 : 15));
Elliott Hughes3bb81562011-10-21 18:52:59 -0700486 if (tail == "help" || !Dbg::ParseJdwpOptions(tail)) {
487 LOG(FATAL) << "Example: -Xrunjdwp:transport=dt_socket,address=8000,server=y\n"
488 << "Example: -Xrunjdwp:transport=dt_socket,address=localhost:6500,server=n";
489 return NULL;
490 }
Elliott Hughesf1a5adc2012-02-10 18:09:35 -0800491 } else if (StartsWith(option, "-Xms")) {
492 size_t size = ParseMemoryOption(option.substr(strlen("-Xms")).c_str(), 1024);
Brian Carlstromf734cf52011-08-17 16:28:14 -0700493 if (size == 0) {
494 if (ignore_unrecognized) {
495 continue;
496 }
Brian Carlstrom4a289ed2011-08-16 17:17:49 -0700497 // TODO: usage
Brian Carlstrom69b15fb2011-09-03 12:25:21 -0700498 LOG(FATAL) << "Failed to parse " << option;
Brian Carlstromf734cf52011-08-17 16:28:14 -0700499 return NULL;
500 }
501 parsed->heap_initial_size_ = size;
Elliott Hughesf1a5adc2012-02-10 18:09:35 -0800502 } else if (StartsWith(option, "-Xmx")) {
503 size_t size = ParseMemoryOption(option.substr(strlen("-Xmx")).c_str(), 1024);
Brian Carlstromf734cf52011-08-17 16:28:14 -0700504 if (size == 0) {
505 if (ignore_unrecognized) {
506 continue;
507 }
Brian Carlstrom4a289ed2011-08-16 17:17:49 -0700508 // TODO: usage
Brian Carlstrom69b15fb2011-09-03 12:25:21 -0700509 LOG(FATAL) << "Failed to parse " << option;
Brian Carlstromf734cf52011-08-17 16:28:14 -0700510 return NULL;
511 }
512 parsed->heap_maximum_size_ = size;
Elliott Hughesf1a5adc2012-02-10 18:09:35 -0800513 } else if (StartsWith(option, "-XX:HeapGrowthLimit=")) {
514 size_t size = ParseMemoryOption(option.substr(strlen("-XX:HeapGrowthLimit=")).c_str(), 1024);
jeffhaoc1160702011-10-27 15:48:45 -0700515 if (size == 0) {
516 if (ignore_unrecognized) {
517 continue;
518 }
519 // TODO: usage
520 LOG(FATAL) << "Failed to parse " << option;
521 return NULL;
522 }
523 parsed->heap_growth_limit_ = size;
Mathieu Chartier0051be62012-10-12 17:47:11 -0700524 } else if (StartsWith(option, "-XX:HeapMinFree=")) {
525 size_t size = ParseMemoryOption(option.substr(strlen("-XX:HeapMinFree=")).c_str(), 1024);
526 if (size == 0) {
527 if (ignore_unrecognized) {
528 continue;
529 }
530 // TODO: usage
531 LOG(FATAL) << "Failed to parse " << option;
532 return NULL;
533 }
534 parsed->heap_min_free_ = size;
535 } else if (StartsWith(option, "-XX:HeapMaxFree=")) {
536 size_t size = ParseMemoryOption(option.substr(strlen("-XX:HeapMaxFree=")).c_str(), 1024);
537 if (size == 0) {
538 if (ignore_unrecognized) {
539 continue;
540 }
541 // TODO: usage
542 LOG(FATAL) << "Failed to parse " << option;
543 return NULL;
544 }
545 parsed->heap_max_free_ = size;
546 } else if (StartsWith(option, "-XX:HeapTargetUtilization=")) {
Dave Allison0aded082013-11-07 13:15:11 -0800547 parsed->heap_target_utilization_ = ParseDoubleOrDie(option, "-XX:HeapTargetUtilization=",
548 0.1, 0.9, ignore_unrecognized,
549 parsed->heap_target_utilization_);
Mathieu Chartier2775ee42013-08-20 17:43:47 -0700550 } else if (StartsWith(option, "-XX:ParallelGCThreads=")) {
551 parsed->parallel_gc_threads_ =
552 ParseMemoryOption(option.substr(strlen("-XX:ParallelGCThreads=")).c_str(), 1024);
553 } else if (StartsWith(option, "-XX:ConcGCThreads=")) {
554 parsed->conc_gc_threads_ =
555 ParseMemoryOption(option.substr(strlen("-XX:ConcGCThreads=")).c_str(), 1024);
Elliott Hughesf1a5adc2012-02-10 18:09:35 -0800556 } else if (StartsWith(option, "-Xss")) {
557 size_t size = ParseMemoryOption(option.substr(strlen("-Xss")).c_str(), 1);
Brian Carlstromf734cf52011-08-17 16:28:14 -0700558 if (size == 0) {
559 if (ignore_unrecognized) {
560 continue;
561 }
Brian Carlstrom4a289ed2011-08-16 17:17:49 -0700562 // TODO: usage
Brian Carlstrom69b15fb2011-09-03 12:25:21 -0700563 LOG(FATAL) << "Failed to parse " << option;
Brian Carlstromf734cf52011-08-17 16:28:14 -0700564 return NULL;
565 }
566 parsed->stack_size_ = size;
Ian Rogersd9c4fc92013-10-01 19:45:43 -0700567 } else if (StartsWith(option, "-XX:MaxSpinsBeforeThinLockInflation=")) {
568 parsed->max_spins_before_thin_lock_inflation_ =
569 strtoul(option.substr(strlen("-XX:MaxSpinsBeforeThinLockInflation=")).c_str(),
570 nullptr, 10);
Mathieu Chartier2775ee42013-08-20 17:43:47 -0700571 } else if (option == "-XX:LongPauseLogThreshold") {
572 parsed->long_pause_log_threshold_ =
573 ParseMemoryOption(option.substr(strlen("-XX:LongPauseLogThreshold=")).c_str(), 1024);
574 } else if (option == "-XX:LongGCLogThreshold") {
575 parsed->long_gc_log_threshold_ =
576 ParseMemoryOption(option.substr(strlen("-XX:LongGCLogThreshold")).c_str(), 1024);
Mathieu Chartierff3b24a2013-11-22 16:04:25 -0800577 } else if (option == "-XX:DumpGCPerformanceOnShutdown") {
578 parsed->dump_gc_performance_on_shutdown_ = true;
Mathieu Chartier2775ee42013-08-20 17:43:47 -0700579 } else if (option == "-XX:IgnoreMaxFootprint") {
580 parsed->ignore_max_footprint_ = true;
Mathieu Chartiere0a53e92013-08-05 10:17:40 -0700581 } else if (option == "-XX:LowMemoryMode") {
582 parsed->low_memory_mode_ = true;
Mathieu Chartier692fafd2013-11-29 17:24:40 -0800583 } else if (option == "-XX:UseTLAB") {
584 parsed->use_tlab_ = true;
Elliott Hughesf1a5adc2012-02-10 18:09:35 -0800585 } else if (StartsWith(option, "-D")) {
586 parsed->properties_.push_back(option.substr(strlen("-D")));
587 } else if (StartsWith(option, "-Xjnitrace:")) {
588 parsed->jni_trace_ = option.substr(strlen("-Xjnitrace:"));
Vladimir Marko2b5eaa22013-12-13 13:59:30 +0000589 } else if (option == "compilercallbacks") {
590 parsed->compiler_callbacks_ =
591 reinterpret_cast<CompilerCallbacks*>(const_cast<void*>(options[i].second));
Elliott Hughes9ca7a1f2011-10-11 14:29:52 -0700592 } else if (option == "-Xzygote") {
593 parsed->is_zygote_ = true;
Ian Rogers50ffee22012-11-20 11:47:44 -0800594 } else if (option == "-Xint") {
595 parsed->interpreter_only_ = true;
Mathieu Chartier069387a2012-06-18 12:01:01 -0700596 } else if (StartsWith(option, "-Xgc:")) {
Mathieu Chartiere6da9af2013-12-16 11:54:42 -0800597 gc::CollectorType collector_type = ParseCollectorType(option.substr(strlen("-Xgc:")));
598 if (collector_type != gc::kCollectorTypeNone) {
599 parsed->collector_type_ = collector_type;
600 }
601 } else if (StartsWith(option, "-XX:BackgroundGC=")) {
602 gc::CollectorType collector_type = ParseCollectorType(
603 option.substr(strlen("-XX:BackgroundGC=")));
604 if (collector_type != gc::kCollectorTypeNone) {
605 parsed->background_collector_type_ = collector_type;
Mathieu Chartier069387a2012-06-18 12:01:01 -0700606 }
Anwar Ghuloum87183592013-08-14 12:12:19 -0700607 } else if (option == "-XX:+DisableExplicitGC") {
608 parsed->is_explicit_gc_disabled_ = true;
Elliott Hughesf1a5adc2012-02-10 18:09:35 -0800609 } else if (StartsWith(option, "-verbose:")) {
Elliott Hughes0af55432011-08-17 18:37:28 -0700610 std::vector<std::string> verbose_options;
Elliott Hughesf1a5adc2012-02-10 18:09:35 -0800611 Split(option.substr(strlen("-verbose:")), ',', verbose_options);
Elliott Hughes0af55432011-08-17 18:37:28 -0700612 for (size_t i = 0; i < verbose_options.size(); ++i) {
Elliott Hughes4dd9b4d2011-12-12 18:29:24 -0800613 if (verbose_options[i] == "class") {
614 gLogVerbosity.class_linker = true;
Anwar Ghuloum75a43f12013-08-13 17:22:14 -0700615 } else if (verbose_options[i] == "verifier") {
616 gLogVerbosity.verifier = true;
Elliott Hughes4dd9b4d2011-12-12 18:29:24 -0800617 } else if (verbose_options[i] == "compiler") {
618 gLogVerbosity.compiler = true;
619 } else if (verbose_options[i] == "heap") {
620 gLogVerbosity.heap = true;
621 } else if (verbose_options[i] == "gc") {
622 gLogVerbosity.gc = true;
623 } else if (verbose_options[i] == "jdwp") {
624 gLogVerbosity.jdwp = true;
625 } else if (verbose_options[i] == "jni") {
626 gLogVerbosity.jni = true;
627 } else if (verbose_options[i] == "monitor") {
628 gLogVerbosity.monitor = true;
629 } else if (verbose_options[i] == "startup") {
630 gLogVerbosity.startup = true;
631 } else if (verbose_options[i] == "third-party-jni") {
632 gLogVerbosity.third_party_jni = true;
633 } else if (verbose_options[i] == "threads") {
634 gLogVerbosity.threads = true;
635 } else {
636 LOG(WARNING) << "Ignoring unknown -verbose option: " << verbose_options[i];
637 }
Elliott Hughes0af55432011-08-17 18:37:28 -0700638 }
Elliott Hughesf1a5adc2012-02-10 18:09:35 -0800639 } else if (StartsWith(option, "-Xjnigreflimit:")) {
Elliott Hughes2010a602013-07-02 14:17:23 -0700640 // Silently ignored for backwards compatibility.
Elliott Hughesf1a5adc2012-02-10 18:09:35 -0800641 } else if (StartsWith(option, "-Xlockprofthreshold:")) {
Elliott Hughesbb1e8f02011-10-18 14:14:25 -0700642 parsed->lock_profiling_threshold_ = ParseIntegerOrDie(option);
Elliott Hughesf1a5adc2012-02-10 18:09:35 -0800643 } else if (StartsWith(option, "-Xstacktracefile:")) {
Elliott Hughes206c20d2012-06-28 11:05:37 -0700644 parsed->stack_trace_file_ = option.substr(strlen("-Xstacktracefile:"));
Elliott Hughesfc861622011-10-17 17:57:47 -0700645 } else if (option == "sensitiveThread") {
Ian Rogers1b09b092012-08-20 15:35:52 -0700646 parsed->hook_is_sensitive_thread_ = reinterpret_cast<bool (*)()>(const_cast<void*>(options[i].second));
Brian Carlstrom6ea095a2011-08-16 15:26:54 -0700647 } else if (option == "vfprintf") {
Ian Rogers1b09b092012-08-20 15:35:52 -0700648 parsed->hook_vfprintf_ =
649 reinterpret_cast<int (*)(FILE *, const char*, va_list)>(const_cast<void*>(options[i].second));
Brian Carlstrom6ea095a2011-08-16 15:26:54 -0700650 } else if (option == "exit") {
Ian Rogers1b09b092012-08-20 15:35:52 -0700651 parsed->hook_exit_ = reinterpret_cast<void(*)(jint)>(const_cast<void*>(options[i].second));
Brian Carlstrom6ea095a2011-08-16 15:26:54 -0700652 } else if (option == "abort") {
Ian Rogers1b09b092012-08-20 15:35:52 -0700653 parsed->hook_abort_ = reinterpret_cast<void(*)()>(const_cast<void*>(options[i].second));
Brian Carlstrom58ae9412011-10-04 00:56:06 -0700654 } else if (option == "host-prefix") {
655 parsed->host_prefix_ = reinterpret_cast<const char*>(options[i].second);
Elliott Hughesb3e66df2012-01-12 14:49:18 -0800656 } else if (option == "-Xgenregmap" || option == "-Xgc:precise") {
657 // We silently ignore these for backwards compatibility.
jeffhaob5e81852012-03-12 11:15:45 -0700658 } else if (option == "-Xmethod-trace") {
659 parsed->method_trace_ = true;
660 } else if (StartsWith(option, "-Xmethod-trace-file:")) {
661 parsed->method_trace_file_ = option.substr(strlen("-Xmethod-trace-file:"));
662 } else if (StartsWith(option, "-Xmethod-trace-file-size:")) {
663 parsed->method_trace_file_size_ = ParseIntegerOrDie(option);
Elliott Hughese119a362012-05-22 17:37:06 -0700664 } else if (option == "-Xprofile:threadcpuclock") {
665 Trace::SetDefaultClockSource(kProfilerClockSourceThreadCpu);
666 } else if (option == "-Xprofile:wallclock") {
667 Trace::SetDefaultClockSource(kProfilerClockSourceWall);
668 } else if (option == "-Xprofile:dualclock") {
669 Trace::SetDefaultClockSource(kProfilerClockSourceDual);
Dave Allison0aded082013-11-07 13:15:11 -0800670 } else if (StartsWith(option, "-Xprofile:")) {
671 parsed->profile_output_filename_ = option.substr(strlen("-Xprofile:"));
672 parsed->profile_ = true;
673 } else if (StartsWith(option, "-Xprofile-period:")) {
674 parsed->profile_period_s_ = ParseIntegerOrDie(option);
675 } else if (StartsWith(option, "-Xprofile-duration:")) {
676 parsed->profile_duration_s_ = ParseIntegerOrDie(option);
677 } else if (StartsWith(option, "-Xprofile-interval:")) {
678 parsed->profile_interval_us_ = ParseIntegerOrDie(option);
679 } else if (StartsWith(option, "-Xprofile-backoff:")) {
680 parsed->profile_backoff_coefficient_ = ParseDoubleOrDie(option, "-Xprofile-backoff:",
681 1.0, 10.0, ignore_unrecognized,
682 parsed->profile_backoff_coefficient_);
buzbeea024a062013-07-31 10:47:37 -0700683 } else if (option == "-compiler-filter:interpret-only") {
684 parsed->compiler_filter_ = kInterpretOnly;
buzbeea024a062013-07-31 10:47:37 -0700685 } else if (option == "-compiler-filter:space") {
686 parsed->compiler_filter_ = kSpace;
687 } else if (option == "-compiler-filter:balanced") {
688 parsed->compiler_filter_ = kBalanced;
689 } else if (option == "-compiler-filter:speed") {
690 parsed->compiler_filter_ = kSpeed;
buzbeefe9ca402013-08-21 09:48:11 -0700691 } else if (option == "-compiler-filter:everything") {
692 parsed->compiler_filter_ = kEverything;
Brian Carlstrom2ce745c2013-07-17 17:44:30 -0700693 } else if (option == "-sea_ir") {
Dragos Sbirlea7467ee02013-06-21 09:20:34 -0700694 parsed->sea_ir_mode_ = true;
buzbeea024a062013-07-31 10:47:37 -0700695 } else if (StartsWith(option, "-huge-method-max:")) {
696 parsed->huge_method_threshold_ = ParseIntegerOrDie(option);
697 } else if (StartsWith(option, "-large-method-max:")) {
698 parsed->large_method_threshold_ = ParseIntegerOrDie(option);
699 } else if (StartsWith(option, "-small-method-max:")) {
700 parsed->small_method_threshold_ = ParseIntegerOrDie(option);
701 } else if (StartsWith(option, "-tiny-method-max:")) {
702 parsed->tiny_method_threshold_ = ParseIntegerOrDie(option);
703 } else if (StartsWith(option, "-num-dex-methods-max:")) {
704 parsed->num_dex_methods_threshold_ = ParseIntegerOrDie(option);
Brian Carlstrom8a436592011-08-15 21:27:23 -0700705 } else {
706 if (!ignore_unrecognized) {
Brian Carlstrom6ea095a2011-08-16 15:26:54 -0700707 // TODO: print usage via vfprintf
Brian Carlstrom27ec9612011-09-19 20:20:38 -0700708 LOG(ERROR) << "Unrecognized option " << option;
709 // TODO: this should exit, but for now tolerate unknown options
Brian Carlstrom7934ac22013-07-26 10:54:15 -0700710 // return NULL;
Brian Carlstrom8a436592011-08-15 21:27:23 -0700711 }
712 }
713 }
714
Brian Carlstromfb67b722013-06-24 23:41:51 -0700715 // If a reference to the dalvik core.jar snuck in, replace it with
716 // the art specific version. This can happen with on device
717 // boot.art/boot.oat generation by GenerateImage which relies on the
718 // value of BOOTCLASSPATH.
719 std::string core_jar("/core.jar");
720 size_t core_jar_pos = parsed->boot_class_path_string_.find(core_jar);
721 if (core_jar_pos != std::string::npos) {
722 parsed->boot_class_path_string_.replace(core_jar_pos, core_jar.size(), "/core-libart.jar");
723 }
724
Vladimir Marko2b5eaa22013-12-13 13:59:30 +0000725 if (parsed->compiler_callbacks_ == nullptr && parsed->image_.empty()) {
Brian Carlstrom223f20f2012-02-04 23:06:55 -0800726 parsed->image_ += GetAndroidRoot();
727 parsed->image_ += "/framework/boot.art";
Brian Carlstrom5de8fe52011-10-16 14:10:09 -0700728 }
jeffhaoc1160702011-10-27 15:48:45 -0700729 if (parsed->heap_growth_limit_ == 0) {
730 parsed->heap_growth_limit_ = parsed->heap_maximum_size_;
731 }
Mathieu Chartiere6da9af2013-12-16 11:54:42 -0800732 if (parsed->background_collector_type_ == gc::kCollectorTypeNone) {
733 parsed->background_collector_type_ = parsed->collector_type_;
734 }
Brian Carlstrom69b15fb2011-09-03 12:25:21 -0700735 return parsed.release();
Brian Carlstrom8a436592011-08-15 21:27:23 -0700736}
737
Ian Rogers00f7d0e2012-07-19 15:28:27 -0700738bool Runtime::Create(const Options& options, bool ignore_unrecognized) {
Carl Shapiro2ed144c2011-07-26 16:52:08 -0700739 // TODO: acquire a static mutex on Runtime to avoid racing.
740 if (Runtime::instance_ != NULL) {
Ian Rogers00f7d0e2012-07-19 15:28:27 -0700741 return false;
Carl Shapiro2ed144c2011-07-26 16:52:08 -0700742 }
Brian Carlstrom7934ac22013-07-26 10:54:15 -0700743 InitLogging(NULL); // Calls Locks::Init() as a side effect.
Elliott Hughesdcc24742011-09-07 14:02:44 -0700744 instance_ = new Runtime;
745 if (!instance_->Init(options, ignore_unrecognized)) {
746 delete instance_;
747 instance_ = NULL;
Ian Rogers00f7d0e2012-07-19 15:28:27 -0700748 return false;
Carl Shapiro61e019d2011-07-14 16:53:09 -0700749 }
Ian Rogers00f7d0e2012-07-19 15:28:27 -0700750 return true;
Brian Carlstrom69b15fb2011-09-03 12:25:21 -0700751}
Elliott Hughes0af55432011-08-17 18:37:28 -0700752
Brian Carlstromce888532013-10-10 00:32:58 -0700753jobject CreateSystemClassLoader() {
Elliott Hughesb3bd5f02012-03-08 21:05:27 -0800754 if (Runtime::Current()->UseCompileTimeClassPath()) {
Brian Carlstromce888532013-10-10 00:32:58 -0700755 return NULL;
Brian Carlstromaded5f72011-10-07 17:15:04 -0700756 }
757
Ian Rogers00f7d0e2012-07-19 15:28:27 -0700758 ScopedObjectAccess soa(Thread::Current());
Mathieu Chartierc528dba2013-11-26 12:00:11 -0800759 ClassLinker* cl = Runtime::Current()->GetClassLinker();
Brian Carlstromaded5f72011-10-07 17:15:04 -0700760
Mathieu Chartierc528dba2013-11-26 12:00:11 -0800761 SirtRef<mirror::Class> class_loader_class(
762 soa.Self(), soa.Decode<mirror::Class*>(WellKnownClasses::java_lang_ClassLoader));
763 CHECK(cl->EnsureInitialized(class_loader_class, true, true));
Brian Carlstromaded5f72011-10-07 17:15:04 -0700764
Brian Carlstromea46f952013-07-30 01:26:50 -0700765 mirror::ArtMethod* getSystemClassLoader =
Ian Rogers2dd0e2c2013-01-24 12:42:14 -0800766 class_loader_class->FindDirectMethod("getSystemClassLoader", "()Ljava/lang/ClassLoader;");
Brian Carlstromdf143242011-10-10 18:05:34 -0700767 CHECK(getSystemClassLoader != NULL);
Brian Carlstromaded5f72011-10-07 17:15:04 -0700768
Jeff Hao5d917302013-02-27 17:57:33 -0800769 JValue result;
Mathieu Chartierc528dba2013-11-26 12:00:11 -0800770 ArgArray arg_array(nullptr, 0);
Jeff Hao6474d192013-03-26 14:08:09 -0700771 InvokeWithArgArray(soa, getSystemClassLoader, &arg_array, &result, 'L');
Mathieu Chartierc528dba2013-11-26 12:00:11 -0800772 SirtRef<mirror::ClassLoader> class_loader(soa.Self(),
773 down_cast<mirror::ClassLoader*>(result.GetL()));
774 CHECK(class_loader.get() != nullptr);
Brian Carlstromce888532013-10-10 00:32:58 -0700775 JNIEnv* env = soa.Self()->GetJniEnv();
Mathieu Chartierc528dba2013-11-26 12:00:11 -0800776 ScopedLocalRef<jobject> system_class_loader(env,
777 soa.AddLocalReference<jobject>(class_loader.get()));
778 CHECK(system_class_loader.get() != nullptr);
Brian Carlstromce888532013-10-10 00:32:58 -0700779
Mathieu Chartierc528dba2013-11-26 12:00:11 -0800780 soa.Self()->SetClassLoaderOverride(class_loader.get());
Ian Rogers365c1022012-06-22 15:05:28 -0700781
Mathieu Chartierc528dba2013-11-26 12:00:11 -0800782 SirtRef<mirror::Class> thread_class(soa.Self(),
783 soa.Decode<mirror::Class*>(WellKnownClasses::java_lang_Thread));
784 CHECK(cl->EnsureInitialized(thread_class, true, true));
Ian Rogers365c1022012-06-22 15:05:28 -0700785
Mathieu Chartierc528dba2013-11-26 12:00:11 -0800786 mirror::ArtField* contextClassLoader =
787 thread_class->FindDeclaredInstanceField("contextClassLoader", "Ljava/lang/ClassLoader;");
Jesse Wilson1b2b2f22011-11-22 11:47:44 -0500788 CHECK(contextClassLoader != NULL);
Ian Rogers365c1022012-06-22 15:05:28 -0700789
Mathieu Chartierc528dba2013-11-26 12:00:11 -0800790 contextClassLoader->SetObject(soa.Self()->GetPeer(), class_loader.get());
Brian Carlstromce888532013-10-10 00:32:58 -0700791
792 return env->NewGlobalRef(system_class_loader.get());
Brian Carlstromaded5f72011-10-07 17:15:04 -0700793}
794
Brian Carlstrombd86bcc2013-03-10 20:26:16 -0700795bool Runtime::Start() {
Elliott Hughes4dd9b4d2011-12-12 18:29:24 -0800796 VLOG(startup) << "Runtime::Start entering";
Brian Carlstrom58ae9412011-10-04 00:56:06 -0700797
798 CHECK(host_prefix_.empty()) << host_prefix_;
799
Ian Rogers00f7d0e2012-07-19 15:28:27 -0700800 // Restore main thread state to kNative as expected by native code.
Ian Rogersa436fde2013-08-27 23:34:06 -0700801 Thread* self = Thread::Current();
Ian Rogers00f7d0e2012-07-19 15:28:27 -0700802 self->TransitionFromRunnableToSuspended(kNative);
803
Brian Carlstrom5d40f182011-09-26 22:29:18 -0700804 started_ = true;
805
Brian Carlstromae826982011-11-09 01:33:42 -0800806 // InitNativeMethods needs to be after started_ so that the classes
807 // it touches will have methods linked to the oat file if necessary.
808 InitNativeMethods();
809
Ian Rogers365c1022012-06-22 15:05:28 -0700810 // Initialize well known thread group values that may be accessed threads while attaching.
811 InitThreadGroups(self);
812
Jesse Wilson9a6bae82011-11-14 14:57:30 -0500813 Thread::FinishStartup();
814
Brian Carlstrombd86bcc2013-03-10 20:26:16 -0700815 if (is_zygote_) {
816 if (!InitZygote()) {
817 return false;
818 }
819 } else {
Elliott Hughesd1cc8362011-10-24 16:58:50 -0700820 DidForkFromZygote();
821 }
Elliott Hughes9ca7a1f2011-10-11 14:29:52 -0700822
Elliott Hughes85d15452011-09-16 17:33:01 -0700823 StartDaemonThreads();
Brian Carlstrom0a5b14d2011-09-27 13:29:15 -0700824
Brian Carlstromce888532013-10-10 00:32:58 -0700825 system_class_loader_ = CreateSystemClassLoader();
Brian Carlstromaded5f72011-10-07 17:15:04 -0700826
Elliott Hughes225f5a12012-06-11 11:23:48 -0700827 self->GetJniEnv()->locals.AssertEmpty();
Elliott Hughes726079d2011-10-07 18:43:44 -0700828
Elliott Hughes4dd9b4d2011-12-12 18:29:24 -0800829 VLOG(startup) << "Runtime::Start exiting";
Mathieu Chartier7664f5c2012-06-08 18:15:32 -0700830
831 finished_starting_ = true;
Brian Carlstrombd86bcc2013-03-10 20:26:16 -0700832
Dave Allison0aded082013-11-07 13:15:11 -0800833 if (profile_) {
834 // User has asked for a profile using -Xprofile
835 StartProfiler(profile_output_filename_.c_str(), true);
836 }
837
Brian Carlstrombd86bcc2013-03-10 20:26:16 -0700838 return true;
Elliott Hughes85d15452011-09-16 17:33:01 -0700839}
840
Ian Rogers120f1c72012-09-28 17:17:10 -0700841void Runtime::EndThreadBirth() EXCLUSIVE_LOCKS_REQUIRED(Locks::runtime_shutdown_lock_) {
842 DCHECK_GT(threads_being_born_, 0U);
843 threads_being_born_--;
844 if (shutting_down_started_ && threads_being_born_ == 0) {
Ian Rogersc604d732012-10-14 16:09:54 -0700845 shutdown_cond_->Broadcast(Thread::Current());
Ian Rogers120f1c72012-09-28 17:17:10 -0700846 }
847}
848
Brian Carlstrombd86bcc2013-03-10 20:26:16 -0700849// Do zygote-mode-only initialization.
850bool Runtime::InitZygote() {
851 // zygote goes into its own process group
Brian Carlstromb1eba212013-07-17 18:07:19 -0700852 setpgid(0, 0);
Brian Carlstrombd86bcc2013-03-10 20:26:16 -0700853
854 // See storage config details at http://source.android.com/tech/storage/
855 // Create private mount namespace shared by all children
856 if (unshare(CLONE_NEWNS) == -1) {
857 PLOG(WARNING) << "Failed to unshare()";
858 return false;
859 }
860
861 // Mark rootfs as being a slave so that changes from default
862 // namespace only flow into our children.
863 if (mount("rootfs", "/", NULL, (MS_SLAVE | MS_REC), NULL) == -1) {
864 PLOG(WARNING) << "Failed to mount() rootfs as MS_SLAVE";
865 return false;
866 }
867
868 // Create a staging tmpfs that is shared by our children; they will
869 // bind mount storage into their respective private namespaces, which
870 // are isolated from each other.
871 const char* target_base = getenv("EMULATED_STORAGE_TARGET");
872 if (target_base != NULL) {
873 if (mount("tmpfs", target_base, "tmpfs", MS_NOSUID | MS_NODEV,
Jeff Sharkey52cd1e82013-09-17 16:25:12 -0700874 "uid=0,gid=1028,mode=0751") == -1) {
Brian Carlstrombd86bcc2013-03-10 20:26:16 -0700875 LOG(WARNING) << "Failed to mount tmpfs to " << target_base;
876 return false;
877 }
878 }
879
880 return true;
881}
882
Brian Carlstromcaabb1b2011-10-11 18:09:13 -0700883void Runtime::DidForkFromZygote() {
Brian Carlstromcaabb1b2011-10-11 18:09:13 -0700884 is_zygote_ = false;
Elliott Hughesd1cc8362011-10-24 16:58:50 -0700885
Mathieu Chartier02b6a782012-10-26 13:51:26 -0700886 // Create the thread pool.
887 heap_->CreateThreadPool();
888
Brian Carlstromcaabb1b2011-10-11 18:09:13 -0700889 StartSignalCatcher();
Elliott Hughesd1cc8362011-10-24 16:58:50 -0700890
891 // Start the JDWP thread. If the command-line debugger flags specified "suspend=y",
892 // this will pause the runtime, so we probably want this to come last.
893 Dbg::StartJdwp();
Brian Carlstromcaabb1b2011-10-11 18:09:13 -0700894}
895
896void Runtime::StartSignalCatcher() {
897 if (!is_zygote_) {
Elliott Hughes94ce37a2011-10-18 15:07:48 -0700898 signal_catcher_ = new SignalCatcher(stack_trace_file_);
Brian Carlstromcaabb1b2011-10-11 18:09:13 -0700899 }
900}
901
Mathieu Chartier590fee92013-09-13 13:46:47 -0700902bool Runtime::IsShuttingDown(Thread* self) {
903 MutexLock mu(self, *Locks::runtime_shutdown_lock_);
904 return IsShuttingDownLocked();
905}
906
Elliott Hughes85d15452011-09-16 17:33:01 -0700907void Runtime::StartDaemonThreads() {
Elliott Hughes4dd9b4d2011-12-12 18:29:24 -0800908 VLOG(startup) << "Runtime::StartDaemonThreads entering";
Elliott Hughes85d15452011-09-16 17:33:01 -0700909
Elliott Hughes719b3232011-09-25 17:42:19 -0700910 Thread* self = Thread::Current();
Brian Carlstromaded5f72011-10-07 17:15:04 -0700911
912 // Must be in the kNative state for calling native methods.
Ian Rogers50b35e22012-10-04 10:09:15 -0700913 CHECK_EQ(self->GetState(), kNative);
Brian Carlstromaded5f72011-10-07 17:15:04 -0700914
Elliott Hughes719b3232011-09-25 17:42:19 -0700915 JNIEnv* env = self->GetJniEnv();
Ian Rogers2fa6b2e2012-10-17 00:10:17 -0700916 env->CallStaticVoidMethod(WellKnownClasses::java_lang_Daemons,
917 WellKnownClasses::java_lang_Daemons_start);
918 if (env->ExceptionCheck()) {
919 env->ExceptionDescribe();
920 LOG(FATAL) << "Error starting java.lang.Daemons";
921 }
Elliott Hughes9ca7a1f2011-10-11 14:29:52 -0700922
Elliott Hughes4dd9b4d2011-12-12 18:29:24 -0800923 VLOG(startup) << "Runtime::StartDaemonThreads exiting";
Carl Shapiro61e019d2011-07-14 16:53:09 -0700924}
925
Elliott Hughes0af55432011-08-17 18:37:28 -0700926bool Runtime::Init(const Options& raw_options, bool ignore_unrecognized) {
Elliott Hughesc1674ed2011-08-25 18:09:09 -0700927 CHECK_EQ(sysconf(_SC_PAGE_SIZE), kPageSize);
Brian Carlstrom6ea095a2011-08-16 15:26:54 -0700928
Elliott Hughes90a33692011-08-30 13:27:07 -0700929 UniquePtr<ParsedOptions> options(ParsedOptions::Create(raw_options, ignore_unrecognized));
930 if (options.get() == NULL) {
Brian Carlstrome24fa612011-09-29 00:53:55 -0700931 LOG(ERROR) << "Failed to parse options";
Brian Carlstrom6ea095a2011-08-16 15:26:54 -0700932 return false;
933 }
Elliott Hughes4dd9b4d2011-12-12 18:29:24 -0800934 VLOG(startup) << "Runtime::Init -verbose:startup enabled";
Elliott Hughes7ede61e2011-09-14 18:18:06 -0700935
Elliott Hughes7c6169d2012-05-02 16:11:48 -0700936 QuasiAtomic::Startup();
937
Elliott Hughes4dd9b4d2011-12-12 18:29:24 -0800938 Monitor::Init(options->lock_profiling_threshold_, options->hook_is_sensitive_thread_);
Elliott Hughes32d6e1e2011-10-11 14:47:44 -0700939
Brian Carlstrom58ae9412011-10-04 00:56:06 -0700940 host_prefix_ = options->host_prefix_;
Brian Carlstroma004aa92012-02-08 18:05:09 -0800941 boot_class_path_string_ = options->boot_class_path_string_;
942 class_path_string_ = options->class_path_string_;
Elliott Hughes7ede61e2011-09-14 18:18:06 -0700943 properties_ = options->properties_;
944
Vladimir Marko2b5eaa22013-12-13 13:59:30 +0000945 compiler_callbacks_ = options->compiler_callbacks_;
Elliott Hughes9ca7a1f2011-10-11 14:29:52 -0700946 is_zygote_ = options->is_zygote_;
Anwar Ghuloum87183592013-08-14 12:12:19 -0700947 is_explicit_gc_disabled_ = options->is_explicit_gc_disabled_;
Elliott Hughes9ca7a1f2011-10-11 14:29:52 -0700948
buzbeea024a062013-07-31 10:47:37 -0700949 compiler_filter_ = options->compiler_filter_;
950 huge_method_threshold_ = options->huge_method_threshold_;
951 large_method_threshold_ = options->large_method_threshold_;
952 small_method_threshold_ = options->small_method_threshold_;
953 tiny_method_threshold_ = options->tiny_method_threshold_;
954 num_dex_methods_threshold_ = options->num_dex_methods_threshold_;
Anwar Ghuloum8447d842013-04-30 17:27:40 -0700955
Dragos Sbirlea7467ee02013-06-21 09:20:34 -0700956 sea_ir_mode_ = options->sea_ir_mode_;
Elliott Hughes0af55432011-08-17 18:37:28 -0700957 vfprintf_ = options->hook_vfprintf_;
958 exit_ = options->hook_exit_;
959 abort_ = options->hook_abort_;
Brian Carlstrom6ea095a2011-08-16 15:26:54 -0700960
Elliott Hughesbe759c62011-09-08 19:38:21 -0700961 default_stack_size_ = options->stack_size_;
Elliott Hughes94ce37a2011-10-18 15:07:48 -0700962 stack_trace_file_ = options->stack_trace_file_;
Brian Carlstrom6ea095a2011-08-16 15:26:54 -0700963
Ian Rogersd9c4fc92013-10-01 19:45:43 -0700964 max_spins_before_thin_lock_inflation_ = options->max_spins_before_thin_lock_inflation_;
965
Elliott Hughesc33a32b2011-10-11 18:18:07 -0700966 monitor_list_ = new MonitorList;
Elliott Hughes4dd9b4d2011-12-12 18:29:24 -0800967 thread_list_ = new ThreadList;
Elliott Hughescf4c6c42011-09-01 15:16:42 -0700968 intern_table_ = new InternTable;
969
Logan Chiendd361c92012-04-10 23:40:37 +0800970
Ian Rogers62d6c772013-02-27 08:32:07 -0800971 if (options->interpreter_only_) {
972 GetInstrumentation()->ForceInterpretOnly();
973 }
974
Ian Rogers1d54e732013-05-02 21:10:01 -0700975 heap_ = new gc::Heap(options->heap_initial_size_,
976 options->heap_growth_limit_,
977 options->heap_min_free_,
978 options->heap_max_free_,
979 options->heap_target_utilization_,
980 options->heap_maximum_size_,
981 options->image_,
Mathieu Chartier0de9f732013-11-22 17:58:48 -0800982 options->collector_type_,
Mathieu Chartiere6da9af2013-12-16 11:54:42 -0800983 options->background_collector_type_,
Mathieu Chartier2775ee42013-08-20 17:43:47 -0700984 options->parallel_gc_threads_,
985 options->conc_gc_threads_,
986 options->low_memory_mode_,
987 options->long_pause_log_threshold_,
988 options->long_gc_log_threshold_,
Mathieu Chartier692fafd2013-11-29 17:24:40 -0800989 options->ignore_max_footprint_,
990 options->use_tlab_);
Brian Carlstrom6ea095a2011-08-16 15:26:54 -0700991
Hiroshi Yamauchi2e899a92013-11-22 16:50:12 -0800992 dump_gc_performance_on_shutdown_ = options->dump_gc_performance_on_shutdown_;
993
Elliott Hughesc1674ed2011-08-25 18:09:09 -0700994 BlockSignals();
Elliott Hughes457005c2012-04-16 13:54:25 -0700995 InitPlatformSignalHandlers();
Elliott Hughesc1674ed2011-08-25 18:09:09 -0700996
Elliott Hughesa0957642011-09-02 14:27:33 -0700997 java_vm_ = new JavaVMExt(this, options.get());
Elliott Hughes515a5bc2011-08-17 11:08:34 -0700998
Elliott Hughesbe759c62011-09-08 19:38:21 -0700999 Thread::Startup();
Elliott Hughesd92bec42011-09-02 17:04:36 -07001000
Mathieu Chartier664bebf2012-11-12 16:54:11 -08001001 // ClassLinker needs an attached thread, but we can't fully attach a thread without creating
1002 // objects. We can't supply a thread group yet; it will be fixed later. Since we are the main
1003 // thread, we do not get a java peer.
1004 Thread* self = Thread::Attach("main", false, NULL, false);
Ian Rogersd9c4fc92013-10-01 19:45:43 -07001005 CHECK_EQ(self->thin_lock_thread_id_, ThreadList::kMainThreadId);
Ian Rogers120f1c72012-09-28 17:17:10 -07001006 CHECK(self != NULL);
Brian Carlstrom6ea095a2011-08-16 15:26:54 -07001007
Brian Carlstromf28bc5b2011-10-26 01:15:03 -07001008 // Set us to runnable so tools using a runtime can allocate and GC by default
Ian Rogers120f1c72012-09-28 17:17:10 -07001009 self->TransitionFromSuspendedToRunnable();
Brian Carlstromf28bc5b2011-10-26 01:15:03 -07001010
Ian Rogersa436fde2013-08-27 23:34:06 -07001011 // Now we're attached, we can take the heap locks and validate the heap.
Ian Rogers141d6222012-04-05 12:23:06 -07001012 GetHeap()->EnableObjectValidation();
1013
Ian Rogers1d54e732013-05-02 21:10:01 -07001014 CHECK_GE(GetHeap()->GetContinuousSpaces().size(), 1U);
Mathieu Chartier590fee92013-09-13 13:46:47 -07001015 class_linker_ = new ClassLinker(intern_table_);
1016 if (GetHeap()->HasImageSpace()) {
1017 class_linker_->InitFromImage();
Brian Carlstroma004aa92012-02-08 18:05:09 -08001018 } else {
1019 CHECK(options->boot_class_path_ != NULL);
1020 CHECK_NE(options->boot_class_path_->size(), 0U);
Mathieu Chartier590fee92013-09-13 13:46:47 -07001021 class_linker_->InitFromCompiler(*options->boot_class_path_);
Brian Carlstroma004aa92012-02-08 18:05:09 -08001022 }
1023 CHECK(class_linker_ != NULL);
Sameer Abu Asal51a5fb72013-02-19 14:25:01 -08001024 verifier::MethodVerifier::Init();
Brian Carlstrom6ea095a2011-08-16 15:26:54 -07001025
jeffhaob5e81852012-03-12 11:15:45 -07001026 method_trace_ = options->method_trace_;
1027 method_trace_file_ = options->method_trace_file_;
1028 method_trace_file_size_ = options->method_trace_file_size_;
1029
Dave Allison0aded082013-11-07 13:15:11 -08001030 // Extract the profile options.
1031 profile_period_s_ = options->profile_period_s_;
1032 profile_duration_s_ = options->profile_duration_s_;
1033 profile_interval_us_ = options->profile_interval_us_;
1034 profile_backoff_coefficient_ = options->profile_backoff_coefficient_;
1035 profile_ = options->profile_;
1036 profile_output_filename_ = options->profile_output_filename_;
1037
jeffhaob5e81852012-03-12 11:15:45 -07001038 if (options->method_trace_) {
Jeff Hao23009dc2013-08-22 15:36:42 -07001039 Trace::Start(options->method_trace_file_.c_str(), -1, options->method_trace_file_size_, 0,
1040 false, false, 0);
jeffhaob5e81852012-03-12 11:15:45 -07001041 }
1042
Ian Rogersa436fde2013-08-27 23:34:06 -07001043 // Pre-allocate an OutOfMemoryError for the double-OOME case.
1044 self->ThrowNewException(ThrowLocation(), "Ljava/lang/OutOfMemoryError;",
1045 "OutOfMemoryError thrown while trying to throw OutOfMemoryError; no stack available");
1046 pre_allocated_OutOfMemoryError_ = self->GetException(NULL);
1047 self->ClearException();
1048
Elliott Hughes4dd9b4d2011-12-12 18:29:24 -08001049 VLOG(startup) << "Runtime::Init exiting";
Carl Shapiro1fb86202011-06-27 17:43:13 -07001050 return true;
1051}
1052
Elliott Hughes038a8062011-09-18 14:12:41 -07001053void Runtime::InitNativeMethods() {
Elliott Hughes4dd9b4d2011-12-12 18:29:24 -08001054 VLOG(startup) << "Runtime::InitNativeMethods entering";
Elliott Hughesad7c2a32011-08-31 11:58:10 -07001055 Thread* self = Thread::Current();
1056 JNIEnv* env = self->GetJniEnv();
1057
Elliott Hughes418d20f2011-09-22 14:00:39 -07001058 // Must be in the kNative state for calling native methods (JNI_OnLoad code).
Ian Rogers50b35e22012-10-04 10:09:15 -07001059 CHECK_EQ(self->GetState(), kNative);
Elliott Hughesad7c2a32011-08-31 11:58:10 -07001060
Elliott Hughes418d20f2011-09-22 14:00:39 -07001061 // First set up JniConstants, which is used by both the runtime's built-in native
1062 // methods and libcore.
Elliott Hughesfea966e2011-09-22 10:26:20 -07001063 JniConstants::init(env);
Elliott Hugheseac76672012-05-24 21:56:51 -07001064 WellKnownClasses::Init(env);
Elliott Hughesfea966e2011-09-22 10:26:20 -07001065
Elliott Hughes418d20f2011-09-22 14:00:39 -07001066 // Then set up the native methods provided by the runtime itself.
Elliott Hughesad7c2a32011-08-31 11:58:10 -07001067 RegisterRuntimeNativeMethods(env);
1068
Elliott Hughes418d20f2011-09-22 14:00:39 -07001069 // Then set up libcore, which is just a regular JNI library with a regular JNI_OnLoad.
1070 // Most JNI libraries can just use System.loadLibrary, but libcore can't because it's
1071 // the library that implements System.loadLibrary!
Ian Rogers00f7d0e2012-07-19 15:28:27 -07001072 {
1073 std::string mapped_name(StringPrintf(OS_SHARED_LIB_FORMAT_STR, "javacore"));
1074 std::string reason;
1075 self->TransitionFromSuspendedToRunnable();
Ian Rogers1eb512d2013-10-18 15:42:20 -07001076 if (!instance_->java_vm_->LoadNativeLibrary(mapped_name, NULL, &reason)) {
Ian Rogers00f7d0e2012-07-19 15:28:27 -07001077 LOG(FATAL) << "LoadNativeLibrary failed for \"" << mapped_name << "\": " << reason;
1078 }
1079 self->TransitionFromRunnableToSuspended(kNative);
1080 }
Ian Rogersef28b142012-11-30 14:22:18 -08001081
1082 // Initialize well known classes that may invoke runtime native methods.
1083 WellKnownClasses::LateInit(env);
1084
Elliott Hughes4dd9b4d2011-12-12 18:29:24 -08001085 VLOG(startup) << "Runtime::InitNativeMethods exiting";
Elliott Hughesad7c2a32011-08-31 11:58:10 -07001086}
1087
Ian Rogers365c1022012-06-22 15:05:28 -07001088void Runtime::InitThreadGroups(Thread* self) {
1089 JNIEnvExt* env = self->GetJniEnv();
1090 ScopedJniEnvLocalRefState env_state(env);
1091 main_thread_group_ =
1092 env->NewGlobalRef(env->GetStaticObjectField(WellKnownClasses::java_lang_ThreadGroup,
1093 WellKnownClasses::java_lang_ThreadGroup_mainThreadGroup));
Brian Carlstrom034f76b2012-08-01 15:51:58 -07001094 CHECK(main_thread_group_ != NULL || IsCompiler());
Ian Rogers365c1022012-06-22 15:05:28 -07001095 system_thread_group_ =
1096 env->NewGlobalRef(env->GetStaticObjectField(WellKnownClasses::java_lang_ThreadGroup,
1097 WellKnownClasses::java_lang_ThreadGroup_systemThreadGroup));
Brian Carlstrom034f76b2012-08-01 15:51:58 -07001098 CHECK(system_thread_group_ != NULL || IsCompiler());
1099}
1100
1101jobject Runtime::GetMainThreadGroup() const {
1102 CHECK(main_thread_group_ != NULL || IsCompiler());
1103 return main_thread_group_;
1104}
1105
1106jobject Runtime::GetSystemThreadGroup() const {
1107 CHECK(system_thread_group_ != NULL || IsCompiler());
1108 return system_thread_group_;
Ian Rogers365c1022012-06-22 15:05:28 -07001109}
1110
Brian Carlstromce888532013-10-10 00:32:58 -07001111jobject Runtime::GetSystemClassLoader() const {
1112 CHECK(system_class_loader_ != NULL || IsCompiler());
1113 return system_class_loader_;
1114}
1115
Elliott Hughesad7c2a32011-08-31 11:58:10 -07001116void Runtime::RegisterRuntimeNativeMethods(JNIEnv* env) {
1117#define REGISTER(FN) extern void FN(JNIEnv*); FN(env)
Ian Rogers5167c972012-02-03 10:41:20 -08001118 // Register Throwable first so that registration of other native methods can throw exceptions
1119 REGISTER(register_java_lang_Throwable);
Brian Carlstromf91c8c32011-09-21 17:30:34 -07001120 REGISTER(register_dalvik_system_DexFile);
Elliott Hughes9d5ccec2011-09-19 13:19:50 -07001121 REGISTER(register_dalvik_system_VMDebug);
Elliott Hughes7ede61e2011-09-14 18:18:06 -07001122 REGISTER(register_dalvik_system_VMRuntime);
Elliott Hughes8daa0922011-09-11 13:46:25 -07001123 REGISTER(register_dalvik_system_VMStack);
Elliott Hughes01158d72011-09-19 19:47:10 -07001124 REGISTER(register_dalvik_system_Zygote);
Elliott Hughesd369bb72011-09-12 14:41:14 -07001125 REGISTER(register_java_lang_Class);
Ian Rogers8b2c0b92013-09-19 02:56:49 -07001126 REGISTER(register_java_lang_DexCache);
Elliott Hughesbf86d042011-08-31 17:53:14 -07001127 REGISTER(register_java_lang_Object);
1128 REGISTER(register_java_lang_Runtime);
1129 REGISTER(register_java_lang_String);
1130 REGISTER(register_java_lang_System);
Elliott Hughes8daa0922011-09-11 13:46:25 -07001131 REGISTER(register_java_lang_Thread);
Elliott Hughes64bf5a32011-09-20 14:43:12 -07001132 REGISTER(register_java_lang_VMClassLoader);
Brian Carlstrom5b8e4c82011-09-18 01:38:59 -07001133 REGISTER(register_java_lang_reflect_Array);
Elliott Hughes2a20cfd2011-09-23 19:30:41 -07001134 REGISTER(register_java_lang_reflect_Constructor);
Brian Carlstromf867b6f2011-09-16 12:17:25 -07001135 REGISTER(register_java_lang_reflect_Field);
1136 REGISTER(register_java_lang_reflect_Method);
Jesse Wilson95caa792011-10-12 18:14:17 -04001137 REGISTER(register_java_lang_reflect_Proxy);
Elliott Hughesbf86d042011-08-31 17:53:14 -07001138 REGISTER(register_java_util_concurrent_atomic_AtomicLong);
Brian Carlstrom395520e2011-09-25 19:35:00 -07001139 REGISTER(register_org_apache_harmony_dalvik_ddmc_DdmServer);
Elliott Hughesf6a1e1e2011-10-25 16:28:04 -07001140 REGISTER(register_org_apache_harmony_dalvik_ddmc_DdmVmInternal);
Elliott Hughes5ee7a8b2011-09-13 16:40:07 -07001141 REGISTER(register_sun_misc_Unsafe);
Elliott Hughesad7c2a32011-08-31 11:58:10 -07001142#undef REGISTER
1143}
1144
Elliott Hughesc967f782012-04-16 10:23:15 -07001145void Runtime::DumpForSigQuit(std::ostream& os) {
Elliott Hughescac6cc72011-11-03 20:31:21 -07001146 GetClassLinker()->DumpForSigQuit(os);
1147 GetInternTable()->DumpForSigQuit(os);
Elliott Hughesae80b492012-04-24 10:43:17 -07001148 GetJavaVM()->DumpForSigQuit(os);
Elliott Hughesc967f782012-04-16 10:23:15 -07001149 GetHeap()->DumpForSigQuit(os);
Elliott Hughes42ee1422011-09-06 12:33:32 -07001150 os << "\n";
Elliott Hughes8daa0922011-09-11 13:46:25 -07001151
Elliott Hughesc967f782012-04-16 10:23:15 -07001152 thread_list_->DumpForSigQuit(os);
Ian Rogers56edc432013-01-18 16:51:51 -08001153 BaseMutex::DumpAll(os);
Elliott Hughese27955c2011-08-26 15:21:24 -07001154}
1155
Elliott Hughes21a5bf22011-12-07 14:35:20 -08001156void Runtime::DumpLockHolders(std::ostream& os) {
Ian Rogersb726dcb2012-09-05 08:57:23 -07001157 uint64_t mutator_lock_owner = Locks::mutator_lock_->GetExclusiveOwnerTid();
Elliott Hughes21a5bf22011-12-07 14:35:20 -08001158 pid_t thread_list_lock_owner = GetThreadList()->GetLockOwner();
1159 pid_t classes_lock_owner = GetClassLinker()->GetClassesLockOwner();
1160 pid_t dex_lock_owner = GetClassLinker()->GetDexLockOwner();
Ian Rogers00f7d0e2012-07-19 15:28:27 -07001161 if ((thread_list_lock_owner | classes_lock_owner | dex_lock_owner) != 0) {
1162 os << "Mutator lock exclusive owner tid: " << mutator_lock_owner << "\n"
Elliott Hughes21a5bf22011-12-07 14:35:20 -08001163 << "ThreadList lock owner tid: " << thread_list_lock_owner << "\n"
1164 << "ClassLinker classes lock owner tid: " << classes_lock_owner << "\n"
1165 << "ClassLinker dex lock owner tid: " << dex_lock_owner << "\n";
1166 }
1167}
1168
Elliott Hughes9d5ccec2011-09-19 13:19:50 -07001169void Runtime::SetStatsEnabled(bool new_state) {
1170 if (new_state == true) {
1171 GetStats()->Clear(~0);
1172 // TODO: wouldn't it make more sense to clear _all_ threads' stats?
1173 Thread::Current()->GetStats()->Clear(~0);
Ian Rogersfa824272013-11-05 16:12:57 -08001174 GetInstrumentation()->InstrumentQuickAllocEntryPoints();
Hiroshi Yamauchi3b4c1892013-09-12 21:33:12 -07001175 } else {
Ian Rogersfa824272013-11-05 16:12:57 -08001176 GetInstrumentation()->UninstrumentQuickAllocEntryPoints();
Elliott Hughes9d5ccec2011-09-19 13:19:50 -07001177 }
1178 stats_enabled_ = new_state;
1179}
1180
1181void Runtime::ResetStats(int kinds) {
1182 GetStats()->Clear(kinds & 0xffff);
1183 // TODO: wouldn't it make more sense to clear _all_ threads' stats?
1184 Thread::Current()->GetStats()->Clear(kinds >> 16);
1185}
1186
Elliott Hughes9d5ccec2011-09-19 13:19:50 -07001187int32_t Runtime::GetStat(int kind) {
1188 RuntimeStats* stats;
1189 if (kind < (1<<16)) {
1190 stats = GetStats();
1191 } else {
1192 stats = Thread::Current()->GetStats();
1193 kind >>= 16;
1194 }
1195 switch (kind) {
1196 case KIND_ALLOCATED_OBJECTS:
1197 return stats->allocated_objects;
1198 case KIND_ALLOCATED_BYTES:
1199 return stats->allocated_bytes;
1200 case KIND_FREED_OBJECTS:
1201 return stats->freed_objects;
1202 case KIND_FREED_BYTES:
1203 return stats->freed_bytes;
1204 case KIND_GC_INVOCATIONS:
1205 return stats->gc_for_alloc_count;
1206 case KIND_CLASS_INIT_COUNT:
1207 return stats->class_init_count;
1208 case KIND_CLASS_INIT_TIME:
1209 // Convert ns to us, reduce to 32 bits.
Elliott Hughes398f64b2012-03-26 18:05:48 -07001210 return static_cast<int>(stats->class_init_time_ns / 1000);
Elliott Hughes9d5ccec2011-09-19 13:19:50 -07001211 case KIND_EXT_ALLOCATED_OBJECTS:
1212 case KIND_EXT_ALLOCATED_BYTES:
1213 case KIND_EXT_FREED_OBJECTS:
1214 case KIND_EXT_FREED_BYTES:
1215 return 0; // backward compatibility
1216 default:
Elliott Hughes7b9d9962012-04-20 18:48:18 -07001217 LOG(FATAL) << "Unknown statistic " << kind;
Brian Carlstrom7934ac22013-07-26 10:54:15 -07001218 return -1; // unreachable
Elliott Hughes9d5ccec2011-09-19 13:19:50 -07001219 }
1220}
1221
Elliott Hughesc1674ed2011-08-25 18:09:09 -07001222void Runtime::BlockSignals() {
Elliott Hughes457005c2012-04-16 13:54:25 -07001223 SignalSet signals;
1224 signals.Add(SIGPIPE);
Elliott Hughesc1674ed2011-08-25 18:09:09 -07001225 // SIGQUIT is used to dump the runtime's state (including stack traces).
Elliott Hughes457005c2012-04-16 13:54:25 -07001226 signals.Add(SIGQUIT);
Elliott Hughes08795042012-04-03 14:48:52 -07001227 // SIGUSR1 is used to initiate a GC.
Elliott Hughes457005c2012-04-16 13:54:25 -07001228 signals.Add(SIGUSR1);
1229 signals.Block();
Elliott Hughesc1674ed2011-08-25 18:09:09 -07001230}
1231
Mathieu Chartier664bebf2012-11-12 16:54:11 -08001232bool Runtime::AttachCurrentThread(const char* thread_name, bool as_daemon, jobject thread_group,
1233 bool create_peer) {
1234 bool success = Thread::Attach(thread_name, as_daemon, thread_group, create_peer) != NULL;
Elliott Hughes22869a92012-03-27 14:08:24 -07001235 if (thread_name == NULL) {
1236 LOG(WARNING) << *Thread::Current() << " attached without supplying a name";
1237 }
Ian Rogers120f1c72012-09-28 17:17:10 -07001238 return success;
Carl Shapiro61e019d2011-07-14 16:53:09 -07001239}
1240
Elliott Hughesd92bec42011-09-02 17:04:36 -07001241void Runtime::DetachCurrentThread() {
Brian Carlstrom4d571432012-05-16 00:21:41 -07001242 Thread* self = Thread::Current();
1243 if (self == NULL) {
1244 LOG(FATAL) << "attempting to detach thread that is not attached";
1245 }
Ian Rogers0399dde2012-06-06 17:09:28 -07001246 if (self->HasManagedStack()) {
Elliott Hughes22869a92012-03-27 14:08:24 -07001247 LOG(FATAL) << *Thread::Current() << " attempting to detach while still running code";
1248 }
Ian Rogers00f7d0e2012-07-19 15:28:27 -07001249 thread_list_->Unregister(self);
Carl Shapiro1fb86202011-06-27 17:43:13 -07001250}
1251
Ian Rogersa436fde2013-08-27 23:34:06 -07001252 mirror::Throwable* Runtime::GetPreAllocatedOutOfMemoryError() const {
1253 if (pre_allocated_OutOfMemoryError_ == NULL) {
1254 LOG(ERROR) << "Failed to return pre-allocated OOME";
1255 }
1256 return pre_allocated_OutOfMemoryError_;
1257}
1258
Ian Rogers1d54e732013-05-02 21:10:01 -07001259void Runtime::VisitConcurrentRoots(RootVisitor* visitor, void* arg, bool only_dirty,
1260 bool clean_dirty) {
Mathieu Chartierc4621982013-09-16 19:43:47 -07001261 intern_table_->VisitRoots(visitor, arg, only_dirty, clean_dirty);
1262 class_linker_->VisitRoots(visitor, arg, only_dirty, clean_dirty);
Mathieu Chartier9ebae1f2012-10-15 17:38:16 -07001263}
1264
Ian Rogers2dd0e2c2013-01-24 12:42:14 -08001265void Runtime::VisitNonThreadRoots(RootVisitor* visitor, void* arg) {
Mathieu Chartierc528dba2013-11-26 12:00:11 -08001266 // Visit the classes held as static in mirror classes.
1267 mirror::ArtField::VisitRoots(visitor, arg);
1268 mirror::ArtMethod::VisitRoots(visitor, arg);
1269 mirror::Class::VisitRoots(visitor, arg);
1270 mirror::StackTraceElement::VisitRoots(visitor, arg);
1271 mirror::String::VisitRoots(visitor, arg);
1272 mirror::Throwable::VisitRoots(visitor, arg);
1273 // Visit all the primitive array types classes.
1274 mirror::PrimitiveArray<uint8_t>::VisitRoots(visitor, arg); // BooleanArray
1275 mirror::PrimitiveArray<int8_t>::VisitRoots(visitor, arg); // ByteArray
1276 mirror::PrimitiveArray<uint16_t>::VisitRoots(visitor, arg); // CharArray
1277 mirror::PrimitiveArray<double>::VisitRoots(visitor, arg); // DoubleArray
1278 mirror::PrimitiveArray<float>::VisitRoots(visitor, arg); // FloatArray
1279 mirror::PrimitiveArray<int32_t>::VisitRoots(visitor, arg); // IntArray
1280 mirror::PrimitiveArray<int64_t>::VisitRoots(visitor, arg); // LongArray
1281 mirror::PrimitiveArray<int16_t>::VisitRoots(visitor, arg); // ShortArray
Brian Carlstrome24fa612011-09-29 00:53:55 -07001282 java_vm_->VisitRoots(visitor, arg);
Mathieu Chartier423d2a32013-09-12 17:33:56 -07001283 if (pre_allocated_OutOfMemoryError_ != nullptr) {
Mathieu Chartierc528dba2013-11-26 12:00:11 -08001284 pre_allocated_OutOfMemoryError_ = down_cast<mirror::Throwable*>(
Mathieu Chartier423d2a32013-09-12 17:33:56 -07001285 visitor(pre_allocated_OutOfMemoryError_, arg));
1286 DCHECK(pre_allocated_OutOfMemoryError_ != nullptr);
Elliott Hughes225f5a12012-06-11 11:23:48 -07001287 }
Mathieu Chartier590fee92013-09-13 13:46:47 -07001288 resolution_method_ = down_cast<mirror::ArtMethod*>(visitor(resolution_method_, arg));
Mathieu Chartier423d2a32013-09-12 17:33:56 -07001289 DCHECK(resolution_method_ != nullptr);
Mathieu Chartier590fee92013-09-13 13:46:47 -07001290 if (HasImtConflictMethod()) {
1291 imt_conflict_method_ = down_cast<mirror::ArtMethod*>(visitor(imt_conflict_method_, arg));
1292 }
1293 if (HasDefaultImt()) {
1294 default_imt_ = down_cast<mirror::ObjectArray<mirror::ArtMethod>*>(visitor(default_imt_, arg));
1295 }
1296
Ian Rogers4f0d07c2011-10-06 23:38:47 -07001297 for (int i = 0; i < Runtime::kLastCalleeSaveType; i++) {
Mathieu Chartier590fee92013-09-13 13:46:47 -07001298 if (callee_save_methods_[i] != nullptr) {
1299 callee_save_methods_[i] = down_cast<mirror::ArtMethod*>(
1300 visitor(callee_save_methods_[i], arg));
1301 }
Ian Rogers4f0d07c2011-10-06 23:38:47 -07001302 }
Mathieu Chartierc528dba2013-11-26 12:00:11 -08001303 {
1304 MutexLock mu(Thread::Current(), method_verifiers_lock_);
1305 for (verifier::MethodVerifier* verifier : method_verifiers_) {
1306 verifier->VisitRoots(visitor, arg);
1307 }
1308 }
Brian Carlstrome24fa612011-09-29 00:53:55 -07001309}
1310
Ian Rogers2dd0e2c2013-01-24 12:42:14 -08001311void Runtime::VisitNonConcurrentRoots(RootVisitor* visitor, void* arg) {
Mathieu Chartier858f1c52012-10-17 17:45:55 -07001312 thread_list_->VisitRoots(visitor, arg);
1313 VisitNonThreadRoots(visitor, arg);
1314}
1315
Ian Rogers1d54e732013-05-02 21:10:01 -07001316void Runtime::VisitRoots(RootVisitor* visitor, void* arg, bool only_dirty, bool clean_dirty) {
1317 VisitConcurrentRoots(visitor, arg, only_dirty, clean_dirty);
Mathieu Chartier9ebae1f2012-10-15 17:38:16 -07001318 VisitNonConcurrentRoots(visitor, arg);
1319}
1320
Jeff Hao88474b42013-10-23 16:24:40 -07001321mirror::ObjectArray<mirror::ArtMethod>* Runtime::CreateDefaultImt(ClassLinker* cl) {
1322 Thread* self = Thread::Current();
1323 SirtRef<mirror::ObjectArray<mirror::ArtMethod> > imtable(self, cl->AllocArtMethodArray(self, 64));
1324 mirror::ArtMethod* imt_conflict_method = Runtime::Current()->GetImtConflictMethod();
Mathieu Chartier590fee92013-09-13 13:46:47 -07001325 for (size_t i = 0; i < static_cast<size_t>(imtable->GetLength()); i++) {
Jeff Hao88474b42013-10-23 16:24:40 -07001326 imtable->Set(i, imt_conflict_method);
1327 }
1328 return imtable.get();
1329}
1330
1331mirror::ArtMethod* Runtime::CreateImtConflictMethod() {
Jeff Hao88474b42013-10-23 16:24:40 -07001332 Thread* self = Thread::Current();
Mathieu Chartier590fee92013-09-13 13:46:47 -07001333 Runtime* r = Runtime::Current();
1334 ClassLinker* cl = r->GetClassLinker();
1335 SirtRef<mirror::ArtMethod> method(self, cl->AllocArtMethod(self));
1336 method->SetDeclaringClass(mirror::ArtMethod::GetJavaLangReflectArtMethod());
Jeff Hao88474b42013-10-23 16:24:40 -07001337 // TODO: use a special method for imt conflict method saves
1338 method->SetDexMethodIndex(DexFile::kDexNoIndex);
1339 // When compiling, the code pointer will get set later when the image is loaded.
Jeff Hao88474b42013-10-23 16:24:40 -07001340 method->SetEntryPointFromCompiledCode(r->IsCompiler() ? NULL : GetImtConflictTrampoline(cl));
1341 return method.get();
1342}
1343
Brian Carlstromea46f952013-07-30 01:26:50 -07001344mirror::ArtMethod* Runtime::CreateResolutionMethod() {
Ian Rogers50b35e22012-10-04 10:09:15 -07001345 Thread* self = Thread::Current();
Mathieu Chartier590fee92013-09-13 13:46:47 -07001346 Runtime* r = Runtime::Current();
1347 ClassLinker* cl = r->GetClassLinker();
1348 SirtRef<mirror::ArtMethod> method(self, cl->AllocArtMethod(self));
1349 method->SetDeclaringClass(mirror::ArtMethod::GetJavaLangReflectArtMethod());
Ian Rogers19846512012-02-24 11:42:47 -08001350 // TODO: use a special method for resolution method saves
Ian Rogers8b2c0b92013-09-19 02:56:49 -07001351 method->SetDexMethodIndex(DexFile::kDexNoIndex);
Jeff Hao58df3272013-04-22 15:28:53 -07001352 // When compiling, the code pointer will get set later when the image is loaded.
Jeff Hao0aba0ba2013-06-03 14:49:28 -07001353 method->SetEntryPointFromCompiledCode(r->IsCompiler() ? NULL : GetResolutionTrampoline(cl));
Ian Rogers19846512012-02-24 11:42:47 -08001354 return method.get();
1355}
1356
Brian Carlstromea46f952013-07-30 01:26:50 -07001357mirror::ArtMethod* Runtime::CreateCalleeSaveMethod(InstructionSet instruction_set,
Mathieu Chartier590fee92013-09-13 13:46:47 -07001358 CalleeSaveType type) {
Ian Rogers50b35e22012-10-04 10:09:15 -07001359 Thread* self = Thread::Current();
Mathieu Chartier590fee92013-09-13 13:46:47 -07001360 Runtime* r = Runtime::Current();
1361 ClassLinker* cl = r->GetClassLinker();
1362 SirtRef<mirror::ArtMethod> method(self, cl->AllocArtMethod(self));
1363 method->SetDeclaringClass(mirror::ArtMethod::GetJavaLangReflectArtMethod());
Ian Rogers6d4d9fc2011-11-30 16:24:48 -08001364 // TODO: use a special method for callee saves
Ian Rogers8b2c0b92013-09-19 02:56:49 -07001365 method->SetDexMethodIndex(DexFile::kDexNoIndex);
Jeff Haoaa4a7932013-05-13 11:28:27 -07001366 method->SetEntryPointFromCompiledCode(NULL);
Brian Carlstromae826982011-11-09 01:33:42 -08001367 if ((instruction_set == kThumb2) || (instruction_set == kArm)) {
Ian Rogers4f0d07c2011-10-06 23:38:47 -07001368 uint32_t ref_spills = (1 << art::arm::R5) | (1 << art::arm::R6) | (1 << art::arm::R7) |
1369 (1 << art::arm::R8) | (1 << art::arm::R10) | (1 << art::arm::R11);
1370 uint32_t arg_spills = (1 << art::arm::R1) | (1 << art::arm::R2) | (1 << art::arm::R3);
1371 uint32_t all_spills = (1 << art::arm::R4) | (1 << art::arm::R9);
jeffhaofa147e22012-10-12 17:03:32 -07001372 uint32_t core_spills = ref_spills | (type == kRefsAndArgs ? arg_spills : 0) |
1373 (type == kSaveAll ? all_spills : 0) | (1 << art::arm::LR);
Ian Rogers4f0d07c2011-10-06 23:38:47 -07001374 uint32_t fp_all_spills = (1 << art::arm::S0) | (1 << art::arm::S1) | (1 << art::arm::S2) |
1375 (1 << art::arm::S3) | (1 << art::arm::S4) | (1 << art::arm::S5) |
1376 (1 << art::arm::S6) | (1 << art::arm::S7) | (1 << art::arm::S8) |
1377 (1 << art::arm::S9) | (1 << art::arm::S10) | (1 << art::arm::S11) |
1378 (1 << art::arm::S12) | (1 << art::arm::S13) | (1 << art::arm::S14) |
1379 (1 << art::arm::S15) | (1 << art::arm::S16) | (1 << art::arm::S17) |
1380 (1 << art::arm::S18) | (1 << art::arm::S19) | (1 << art::arm::S20) |
1381 (1 << art::arm::S21) | (1 << art::arm::S22) | (1 << art::arm::S23) |
1382 (1 << art::arm::S24) | (1 << art::arm::S25) | (1 << art::arm::S26) |
1383 (1 << art::arm::S27) | (1 << art::arm::S28) | (1 << art::arm::S29) |
1384 (1 << art::arm::S30) | (1 << art::arm::S31);
1385 uint32_t fp_spills = type == kSaveAll ? fp_all_spills : 0;
1386 size_t frame_size = RoundUp((__builtin_popcount(core_spills) /* gprs */ +
1387 __builtin_popcount(fp_spills) /* fprs */ +
1388 1 /* Method* */) * kPointerSize, kStackAlignment);
Ian Rogers15fdb8c2011-09-25 15:45:07 -07001389 method->SetFrameSizeInBytes(frame_size);
Ian Rogers4f0d07c2011-10-06 23:38:47 -07001390 method->SetCoreSpillMask(core_spills);
1391 method->SetFpSpillMask(fp_spills);
jeffhao7fbee072012-08-24 17:56:54 -07001392 } else if (instruction_set == kMips) {
1393 uint32_t ref_spills = (1 << art::mips::S2) | (1 << art::mips::S3) | (1 << art::mips::S4) |
1394 (1 << art::mips::S5) | (1 << art::mips::S6) | (1 << art::mips::S7) |
Jeff Hao1f3bc2f2013-04-30 15:17:19 -07001395 (1 << art::mips::GP) | (1 << art::mips::FP);
jeffhao7fbee072012-08-24 17:56:54 -07001396 uint32_t arg_spills = (1 << art::mips::A1) | (1 << art::mips::A2) | (1 << art::mips::A3);
jeffhaofa147e22012-10-12 17:03:32 -07001397 uint32_t all_spills = (1 << art::mips::S0) | (1 << art::mips::S1);
jeffhao7fbee072012-08-24 17:56:54 -07001398 uint32_t core_spills = ref_spills | (type == kRefsAndArgs ? arg_spills : 0) |
jeffhaofa147e22012-10-12 17:03:32 -07001399 (type == kSaveAll ? all_spills : 0) | (1 << art::mips::RA);
jeffhao7fbee072012-08-24 17:56:54 -07001400 size_t frame_size = RoundUp((__builtin_popcount(core_spills) /* gprs */ +
Jeff Hao1f3bc2f2013-04-30 15:17:19 -07001401 (type == kRefsAndArgs ? 0 : 3) + 1 /* Method* */) *
1402 kPointerSize, kStackAlignment);
jeffhao7fbee072012-08-24 17:56:54 -07001403 method->SetFrameSizeInBytes(frame_size);
1404 method->SetCoreSpillMask(core_spills);
jeffhao07030602012-09-26 14:33:14 -07001405 method->SetFpSpillMask(0);
Brian Carlstromae826982011-11-09 01:33:42 -08001406 } else if (instruction_set == kX86) {
Ian Rogers7caad772012-03-30 01:07:54 -07001407 uint32_t ref_spills = (1 << art::x86::EBP) | (1 << art::x86::ESI) | (1 << art::x86::EDI);
1408 uint32_t arg_spills = (1 << art::x86::ECX) | (1 << art::x86::EDX) | (1 << art::x86::EBX);
1409 uint32_t core_spills = ref_spills | (type == kRefsAndArgs ? arg_spills : 0) |
1410 (1 << art::x86::kNumberOfCpuRegisters); // fake return address callee save
1411 size_t frame_size = RoundUp((__builtin_popcount(core_spills) /* gprs */ +
1412 1 /* Method* */) * kPointerSize, kStackAlignment);
1413 method->SetFrameSizeInBytes(frame_size);
1414 method->SetCoreSpillMask(core_spills);
Ian Rogersff1ed472011-09-20 13:46:24 -07001415 method->SetFpSpillMask(0);
1416 } else {
1417 UNIMPLEMENTED(FATAL);
1418 }
Brian Carlstrom40381fb2011-10-19 14:13:40 -07001419 return method.get();
Ian Rogersff1ed472011-09-20 13:46:24 -07001420}
1421
Mathieu Chartierc11d9b82013-09-19 10:01:59 -07001422void Runtime::DisallowNewSystemWeaks() {
1423 monitor_list_->DisallowNewMonitors();
1424 intern_table_->DisallowNewInterns();
1425 java_vm_->DisallowNewWeakGlobals();
1426}
1427
1428void Runtime::AllowNewSystemWeaks() {
1429 monitor_list_->AllowNewMonitors();
1430 intern_table_->AllowNewInterns();
1431 java_vm_->AllowNewWeakGlobals();
1432}
1433
Brian Carlstromea46f952013-07-30 01:26:50 -07001434void Runtime::SetCalleeSaveMethod(mirror::ArtMethod* method, CalleeSaveType type) {
Ian Rogers4f0d07c2011-10-06 23:38:47 -07001435 DCHECK_LT(static_cast<int>(type), static_cast<int>(kLastCalleeSaveType));
Elliott Hughes225f5a12012-06-11 11:23:48 -07001436 callee_save_methods_[type] = method;
Brian Carlstrome24fa612011-09-29 00:53:55 -07001437}
1438
Ian Rogers00f7d0e2012-07-19 15:28:27 -07001439const std::vector<const DexFile*>& Runtime::GetCompileTimeClassPath(jobject class_loader) {
Elliott Hughesb3bd5f02012-03-08 21:05:27 -08001440 if (class_loader == NULL) {
1441 return GetClassLinker()->GetBootClassPath();
1442 }
1443 CHECK(UseCompileTimeClassPath());
1444 CompileTimeClassPaths::const_iterator it = compile_time_class_paths_.find(class_loader);
1445 CHECK(it != compile_time_class_paths_.end());
1446 return it->second;
1447}
1448
Ian Rogers00f7d0e2012-07-19 15:28:27 -07001449void Runtime::SetCompileTimeClassPath(jobject class_loader, std::vector<const DexFile*>& class_path) {
Elliott Hughesb3bd5f02012-03-08 21:05:27 -08001450 CHECK(!IsStarted());
1451 use_compile_time_class_path_ = true;
Elliott Hughesa0e18062012-04-13 15:59:59 -07001452 compile_time_class_paths_.Put(class_loader, class_path);
Elliott Hughesb3bd5f02012-03-08 21:05:27 -08001453}
1454
Mathieu Chartierc528dba2013-11-26 12:00:11 -08001455void Runtime::AddMethodVerifier(verifier::MethodVerifier* verifier) {
1456 DCHECK(verifier != nullptr);
1457 MutexLock mu(Thread::Current(), method_verifiers_lock_);
1458 method_verifiers_.insert(verifier);
1459}
1460
1461void Runtime::RemoveMethodVerifier(verifier::MethodVerifier* verifier) {
1462 DCHECK(verifier != nullptr);
1463 MutexLock mu(Thread::Current(), method_verifiers_lock_);
1464 auto it = method_verifiers_.find(verifier);
1465 CHECK(it != method_verifiers_.end());
1466 method_verifiers_.erase(it);
1467}
1468
Dave Allison0aded082013-11-07 13:15:11 -08001469void Runtime::StartProfiler(const char *appDir, bool startImmediately) {
1470 BackgroundMethodSamplingProfiler::Start(profile_period_s_, profile_duration_s_, appDir, profile_interval_us_,
1471 profile_backoff_coefficient_, startImmediately);
1472}
Carl Shapiro1fb86202011-06-27 17:43:13 -07001473} // namespace art