blob: 896f7ffa28b9e418e24aca777dac6a80d089ef17 [file] [log] [blame]
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"
Ian Rogers2dd0e2c2013-01-24 12:42:14 -080050#include "mirror/throwable.h"
Elliott Hughes32d6e1e2011-10-11 14:47:44 -070051#include "monitor.h"
Brian Carlstrome24fa612011-09-29 00:53:55 -070052#include "oat_file.h"
Elliott Hughes726079d2011-10-07 18:43:44 -070053#include "ScopedLocalRef.h"
Ian Rogers00f7d0e2012-07-19 15:28:27 -070054#include "scoped_thread_state_change.h"
Elliott Hughese27955c2011-08-26 15:21:24 -070055#include "signal_catcher.h"
Elliott Hughes457005c2012-04-16 13:54:25 -070056#include "signal_set.h"
Ian Rogers1f539342012-10-03 21:09:42 -070057#include "sirt_ref.h"
Brian Carlstrom578bbdc2011-07-21 14:07:47 -070058#include "thread.h"
Elliott Hughes8daa0922011-09-11 13:46:25 -070059#include "thread_list.h"
jeffhaob5e81852012-03-12 11:15:45 -070060#include "trace.h"
Elliott Hughes3bb81562011-10-21 18:52:59 -070061#include "UniquePtr.h"
Ian Rogers776ac1f2012-04-13 23:36:36 -070062#include "verifier/method_verifier.h"
Elliott Hugheseac76672012-05-24 21:56:51 -070063#include "well_known_classes.h"
Carl Shapiro61e019d2011-07-14 16:53:09 -070064
Brian Carlstrom7934ac22013-07-26 10:54:15 -070065#include "JniConstants.h" // Last to avoid LOG redefinition in ics-mr1-plus-art.
Elliott Hughes90a33692011-08-30 13:27:07 -070066
Carl Shapiro1fb86202011-06-27 17:43:13 -070067namespace art {
68
Carl Shapiro2ed144c2011-07-26 16:52:08 -070069Runtime* Runtime::instance_ = NULL;
70
Elliott Hughesdcc24742011-09-07 14:02:44 -070071Runtime::Runtime()
Elliott Hughesd9c67be2012-02-02 19:54:06 -080072 : is_compiler_(false),
73 is_zygote_(false),
Mathieu Chartier069387a2012-06-18 12:01:01 -070074 is_concurrent_gc_enabled_(true),
Anwar Ghuloum87183592013-08-14 12:12:19 -070075 is_explicit_gc_disabled_(false),
Elliott Hughes6cf23882012-06-15 15:42:07 -070076 default_stack_size_(0),
Elliott Hughesb3bd5f02012-03-08 21:05:27 -080077 heap_(NULL),
Ian Rogersd9c4fc92013-10-01 19:45:43 -070078 max_spins_before_thin_lock_inflation_(Monitor::kDefaultMaxSpinsBeforeThinLockInflation),
Elliott Hughesc33a32b2011-10-11 18:18:07 -070079 monitor_list_(NULL),
Elliott Hughesdcc24742011-09-07 14:02:44 -070080 thread_list_(NULL),
81 intern_table_(NULL),
82 class_linker_(NULL),
83 signal_catcher_(NULL),
84 java_vm_(NULL),
Elliott Hughes225f5a12012-06-11 11:23:48 -070085 pre_allocated_OutOfMemoryError_(NULL),
Ian Rogers19846512012-02-24 11:42:47 -080086 resolution_method_(NULL),
Jeff Hao88474b42013-10-23 16:24:40 -070087 imt_conflict_method_(NULL),
88 default_imt_(NULL),
Ian Rogers120f1c72012-09-28 17:17:10 -070089 threads_being_born_(0),
Ian Rogersc604d732012-10-14 16:09:54 -070090 shutdown_cond_(new ConditionVariable("Runtime shutdown", *Locks::runtime_shutdown_lock_)),
Elliott Hughes6b355752012-01-13 16:49:08 -080091 shutting_down_(false),
Ian Rogers120f1c72012-09-28 17:17:10 -070092 shutting_down_started_(false),
Elliott Hughesdcc24742011-09-07 14:02:44 -070093 started_(false),
Mathieu Chartier7664f5c2012-06-08 18:15:32 -070094 finished_starting_(false),
Elliott Hughesdcc24742011-09-07 14:02:44 -070095 vfprintf_(NULL),
96 exit_(NULL),
Elliott Hughes9d5ccec2011-09-19 13:19:50 -070097 abort_(NULL),
jeffhao2692b572011-12-16 15:42:28 -080098 stats_enabled_(false),
Ian Rogers776ac1f2012-04-13 23:36:36 -070099 method_trace_(0),
100 method_trace_file_size_(0),
Ian Rogers62d6c772013-02-27 08:32:07 -0800101 instrumentation_(),
Ian Rogers365c1022012-06-22 15:05:28 -0700102 use_compile_time_class_path_(false),
103 main_thread_group_(NULL),
Hiroshi Yamauchi3b4c1892013-09-12 21:33:12 -0700104 system_thread_group_(NULL),
Ian Rogersfa824272013-11-05 16:12:57 -0800105 system_class_loader_(NULL) {
Ian Rogers4f0d07c2011-10-06 23:38:47 -0700106 for (int i = 0; i < Runtime::kLastCalleeSaveType; i++) {
Elliott Hughes225f5a12012-06-11 11:23:48 -0700107 callee_save_methods_[i] = NULL;
Ian Rogers4f0d07c2011-10-06 23:38:47 -0700108 }
Elliott Hughesdcc24742011-09-07 14:02:44 -0700109}
110
Carl Shapiro61e019d2011-07-14 16:53:09 -0700111Runtime::~Runtime() {
Hiroshi Yamauchi2e899a92013-11-22 16:50:12 -0800112 if (dump_gc_performance_on_shutdown_) {
113 // This can't be called from the Heap destructor below because it
114 // could call RosAlloc::InspectAll() which needs the thread_list
115 // to be still alive.
116 heap_->DumpGcPerformanceInfo(LOG(INFO));
117 }
118
Ian Rogers120f1c72012-09-28 17:17:10 -0700119 Thread* self = Thread::Current();
120 {
121 MutexLock mu(self, *Locks::runtime_shutdown_lock_);
122 shutting_down_started_ = true;
123 while (threads_being_born_ > 0) {
Ian Rogersc604d732012-10-14 16:09:54 -0700124 shutdown_cond_->Wait(self);
Ian Rogers120f1c72012-09-28 17:17:10 -0700125 }
126 shutting_down_ = true;
127 }
Ian Rogers62d6c772013-02-27 08:32:07 -0800128 Trace::Shutdown();
jeffhaob5e81852012-03-12 11:15:45 -0700129
Mathieu Chartiera6399032012-06-11 18:49:50 -0700130 // Make sure to let the GC complete if it is running.
Mathieu Chartier590fee92013-09-13 13:46:47 -0700131 heap_->WaitForGcToComplete(self);
Mathieu Chartier35883cc2012-11-13 14:08:12 -0800132 heap_->DeleteThreadPool();
Mathieu Chartiera6399032012-06-11 18:49:50 -0700133
Hiroshi Yamauchicf58d4a2013-09-26 14:21:22 -0700134 // For RosAlloc, revoke thread local runs. Note that in tests
135 // (common_test.h) we repeat allocating and deleting Runtime
136 // objects.
137 heap_->RevokeAllThreadLocalBuffers();
138
Elliott Hughes5fe594f2011-09-08 12:33:17 -0700139 // Make sure our internal threads are dead before we start tearing down things they're using.
Elliott Hughese52e49b2012-04-02 16:05:44 -0700140 Dbg::StopJdwp();
Elliott Hughes5fe594f2011-09-08 12:33:17 -0700141 delete signal_catcher_;
142
Elliott Hughes038a8062011-09-18 14:12:41 -0700143 // Make sure all other non-daemon threads have terminated, and all daemon threads are suspended.
Elliott Hughes93e74e82011-09-13 11:07:03 -0700144 delete thread_list_;
Elliott Hughesc33a32b2011-10-11 18:18:07 -0700145 delete monitor_list_;
Carl Shapiro61e019d2011-07-14 16:53:09 -0700146 delete class_linker_;
Elliott Hughesb3bd5f02012-03-08 21:05:27 -0800147 delete heap_;
Elliott Hughescf4c6c42011-09-01 15:16:42 -0700148 delete intern_table_;
Elliott Hughesc5f7c912011-08-18 14:00:42 -0700149 delete java_vm_;
Elliott Hughesc1674ed2011-08-25 18:09:09 -0700150 Thread::Shutdown();
Elliott Hughes7c6169d2012-05-02 16:11:48 -0700151 QuasiAtomic::Shutdown();
Sebastien Hertz4d4adb12013-07-24 16:14:19 +0200152 verifier::MethodVerifier::Shutdown();
Carl Shapiro4acf4642011-07-26 18:54:13 -0700153 // TODO: acquire a static mutex on Runtime to avoid racing.
Brian Carlstrom4a289ed2011-08-16 17:17:49 -0700154 CHECK(instance_ == NULL || instance_ == this);
Carl Shapiro4acf4642011-07-26 18:54:13 -0700155 instance_ = NULL;
Carl Shapiro61e019d2011-07-14 16:53:09 -0700156}
157
Elliott Hughese0918552011-10-28 17:18:29 -0700158struct AbortState {
159 void Dump(std::ostream& os) {
Ian Rogersf08e4732013-04-09 09:45:49 -0700160 if (gAborting > 1) {
Elliott Hughescac6cc72011-11-03 20:31:21 -0700161 os << "Runtime aborting --- recursively, so no thread-specific detail!\n";
162 return;
163 }
Ian Rogersf08e4732013-04-09 09:45:49 -0700164 gAborting++;
Elliott Hughese0918552011-10-28 17:18:29 -0700165 os << "Runtime aborting...\n";
Elliott Hughes6c7d2442012-02-01 18:40:47 -0800166 if (Runtime::Current() == NULL) {
167 os << "(Runtime does not yet exist!)\n";
168 return;
169 }
Elliott Hughese0918552011-10-28 17:18:29 -0700170 Thread* self = Thread::Current();
171 if (self == NULL) {
172 os << "(Aborting thread was not attached to runtime!)\n";
173 } else {
Ian Rogers00f7d0e2012-07-19 15:28:27 -0700174 // TODO: we're aborting and the ScopedObjectAccess may attempt to acquire the mutator_lock_
175 // which may block indefinitely if there's a misbehaving thread holding it exclusively.
176 // The code below should be made robust to this.
177 ScopedObjectAccess soa(self);
Ian Rogers2f7f9b62012-10-10 18:24:05 -0700178 os << "Aborting thread:\n";
Elliott Hughes899e7892012-01-24 14:57:32 -0800179 self->Dump(os);
180 if (self->IsExceptionPending()) {
Ian Rogers62d6c772013-02-27 08:32:07 -0800181 ThrowLocation throw_location;
182 mirror::Throwable* exception = self->GetException(&throw_location);
183 os << "Pending exception " << PrettyTypeOf(exception)
Ian Rogersbc939662013-08-15 10:26:54 -0700184 << " thrown by '" << throw_location.Dump() << "'\n"
Ian Rogers62d6c772013-02-27 08:32:07 -0800185 << exception->Dump();
Elliott Hughes899e7892012-01-24 14:57:32 -0800186 }
Elliott Hughese0918552011-10-28 17:18:29 -0700187 }
Ian Rogers2f7f9b62012-10-10 18:24:05 -0700188 DumpAllThreads(os, self);
189 }
190
191 void DumpAllThreads(std::ostream& os, Thread* self) NO_THREAD_SAFETY_ANALYSIS {
192 bool tll_already_held = Locks::thread_list_lock_->IsExclusiveHeld(self);
193 bool ml_already_held = Locks::mutator_lock_->IsSharedHeld(self);
Ian Rogersfbd22912012-10-12 14:21:10 -0700194 if (!tll_already_held || !ml_already_held) {
195 os << "Dumping all threads without appropriate locks held:"
196 << (!tll_already_held ? " thread list lock" : "")
Ian Rogers2fa6b2e2012-10-17 00:10:17 -0700197 << (!ml_already_held ? " mutator lock" : "")
198 << "\n";
Ian Rogers2f7f9b62012-10-10 18:24:05 -0700199 }
Ian Rogersfbd22912012-10-12 14:21:10 -0700200 os << "All threads:\n";
201 Runtime::Current()->GetThreadList()->DumpLocked(os);
Elliott Hughese0918552011-10-28 17:18:29 -0700202 }
203};
204
Elliott Hughes8593fdb2012-04-21 20:53:44 -0700205void Runtime::Abort() {
Ian Rogersf08e4732013-04-09 09:45:49 -0700206 gAborting++; // set before taking any locks
Brian Carlstrom81b88712012-11-05 19:21:30 -0800207
Elliott Hughes131aef82012-01-27 11:53:35 -0800208 // Ensure that we don't have multiple threads trying to abort at once,
209 // which would result in significantly worse diagnostics.
Ian Rogers50b35e22012-10-04 10:09:15 -0700210 MutexLock mu(Thread::Current(), *Locks::abort_lock_);
Elliott Hughes131aef82012-01-27 11:53:35 -0800211
Elliott Hughesffe67362011-07-17 12:09:27 -0700212 // Get any pending output out of the way.
213 fflush(NULL);
214
215 // Many people have difficulty distinguish aborts from crashes,
216 // so be explicit.
Elliott Hughese0918552011-10-28 17:18:29 -0700217 AbortState state;
Elliott Hughes9ee5f9c2012-02-03 18:33:16 -0800218 LOG(INTERNAL_FATAL) << Dumpable<AbortState>(state);
Elliott Hughesffe67362011-07-17 12:09:27 -0700219
Elliott Hughes8593fdb2012-04-21 20:53:44 -0700220 // Call the abort hook if we have one.
Brian Carlstrom6ea095a2011-08-16 15:26:54 -0700221 if (Runtime::Current() != NULL && Runtime::Current()->abort_ != NULL) {
Elliott Hughes6c1c69e2012-04-23 16:12:51 -0700222 LOG(INTERNAL_FATAL) << "Calling abort hook...";
Brian Carlstrom6ea095a2011-08-16 15:26:54 -0700223 Runtime::Current()->abort_();
224 // notreached
Elliott Hughes6c1c69e2012-04-23 16:12:51 -0700225 LOG(INTERNAL_FATAL) << "Unexpectedly returned from abort hook!";
Brian Carlstrom6ea095a2011-08-16 15:26:54 -0700226 }
227
Elliott Hughesdd623db2013-06-11 11:20:23 -0700228#if defined(__GLIBC__)
Elliott Hughesd06a6c72012-05-30 17:59:06 -0700229 // TODO: we ought to be able to use pthread_kill(3) here (or abort(3),
230 // which POSIX defines in terms of raise(3), which POSIX defines in terms
231 // of pthread_kill(3)). On Linux, though, libcorkscrew can't unwind through
232 // libpthread, which means the stacks we dump would be useless. Calling
233 // tgkill(2) directly avoids that.
234 syscall(__NR_tgkill, getpid(), GetTid(), SIGABRT);
Elliott Hughesdd623db2013-06-11 11:20:23 -0700235 // TODO: LLVM installs it's own SIGABRT handler so exit to be safe... Can we disable that in LLVM?
236 // 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 -0800237 exit(1);
Elliott Hughesdd623db2013-06-11 11:20:23 -0700238#else
239 abort();
Elliott Hughesd06a6c72012-05-30 17:59:06 -0700240#endif
Elliott Hughesffe67362011-07-17 12:09:27 -0700241 // notreached
242}
243
Mathieu Chartiercc236d72012-07-20 10:29:05 -0700244bool Runtime::PreZygoteFork() {
245 heap_->PreZygoteFork();
246 return true;
247}
248
Elliott Hughesbf86d042011-08-31 17:53:14 -0700249void Runtime::CallExitHook(jint status) {
250 if (exit_ != NULL) {
Elliott Hughes34e06962012-04-09 13:55:55 -0700251 ScopedThreadStateChange tsc(Thread::Current(), kNative);
Elliott Hughesbf86d042011-08-31 17:53:14 -0700252 exit_(status);
253 LOG(WARNING) << "Exit hook returned instead of exiting!";
254 }
255}
256
Brian Carlstrom8a436592011-08-15 21:27:23 -0700257// Parse a string of the form /[0-9]+[kKmMgG]?/, which is used to specify
258// memory sizes. [kK] indicates kilobytes, [mM] megabytes, and
259// [gG] gigabytes.
260//
261// "s" should point just past the "-Xm?" part of the string.
Brian Carlstrom8a436592011-08-15 21:27:23 -0700262// "div" specifies a divisor, e.g. 1024 if the value must be a multiple
263// of 1024.
264//
265// The spec says the -Xmx and -Xms options must be multiples of 1024. It
266// doesn't say anything about -Xss.
267//
268// Returns 0 (a useless size) if "s" is malformed or specifies a low or
269// non-evenly-divisible value.
270//
Elliott Hughesc1f143d2011-12-01 17:31:10 -0800271size_t ParseMemoryOption(const char* s, size_t div) {
Brian Carlstrom8a436592011-08-15 21:27:23 -0700272 // strtoul accepts a leading [+-], which we don't want,
273 // so make sure our string starts with a decimal digit.
274 if (isdigit(*s)) {
Elliott Hughes398f64b2012-03-26 18:05:48 -0700275 char* s2;
276 size_t val = strtoul(s, &s2, 10);
Brian Carlstrom8a436592011-08-15 21:27:23 -0700277 if (s2 != s) {
278 // s2 should be pointing just after the number.
279 // If this is the end of the string, the user
280 // has specified a number of bytes. Otherwise,
281 // there should be exactly one more character
282 // that specifies a multiplier.
283 if (*s2 != '\0') {
Brian Carlstromf734cf52011-08-17 16:28:14 -0700284 // The remainder of the string is either a single multiplier
285 // character, or nothing to indicate that the value is in
286 // bytes.
287 char c = *s2++;
288 if (*s2 == '\0') {
289 size_t mul;
290 if (c == '\0') {
291 mul = 1;
292 } else if (c == 'k' || c == 'K') {
293 mul = KB;
294 } else if (c == 'm' || c == 'M') {
295 mul = MB;
296 } else if (c == 'g' || c == 'G') {
297 mul = GB;
Brian Carlstrom8a436592011-08-15 21:27:23 -0700298 } else {
Brian Carlstromf734cf52011-08-17 16:28:14 -0700299 // Unknown multiplier character.
Brian Carlstrom8a436592011-08-15 21:27:23 -0700300 return 0;
301 }
Brian Carlstromf734cf52011-08-17 16:28:14 -0700302
303 if (val <= std::numeric_limits<size_t>::max() / mul) {
304 val *= mul;
305 } else {
306 // Clamp to a multiple of 1024.
307 val = std::numeric_limits<size_t>::max() & ~(1024-1);
308 }
309 } else {
310 // There's more than one character after the numeric part.
311 return 0;
312 }
Brian Carlstrom8a436592011-08-15 21:27:23 -0700313 }
314 // The man page says that a -Xm value must be a multiple of 1024.
315 if (val % div == 0) {
316 return val;
317 }
Carl Shapirofc322c72011-07-27 00:20:01 -0700318 }
319 }
Brian Carlstrom8a436592011-08-15 21:27:23 -0700320 return 0;
Carl Shapirofc322c72011-07-27 00:20:01 -0700321}
322
Elliott Hughesf1a5adc2012-02-10 18:09:35 -0800323size_t ParseIntegerOrDie(const std::string& s) {
324 std::string::size_type colon = s.find(':');
325 if (colon == std::string::npos) {
Elliott Hughesbb1e8f02011-10-18 14:14:25 -0700326 LOG(FATAL) << "Missing integer: " << s;
327 }
Elliott Hughesf1a5adc2012-02-10 18:09:35 -0800328 const char* begin = &s[colon + 1];
Elliott Hughesbb1e8f02011-10-18 14:14:25 -0700329 char* end;
330 size_t result = strtoul(begin, &end, 10);
331 if (begin == end || *end != '\0') {
332 LOG(FATAL) << "Failed to parse integer in: " << s;
333 }
334 return result;
335}
336
Mathieu Chartier6aa3df92013-09-17 15:17:28 -0700337void Runtime::SweepSystemWeaks(RootVisitor* visitor, void* arg) {
338 GetInternTable()->SweepInternTableWeaks(visitor, arg);
339 GetMonitorList()->SweepMonitorList(visitor, arg);
340 GetJavaVM()->SweepJniWeakGlobals(visitor, arg);
341}
342
Brian Carlstrom6ea095a2011-08-16 15:26:54 -0700343Runtime::ParsedOptions* Runtime::ParsedOptions::Create(const Options& options, bool ignore_unrecognized) {
Elliott Hughes90a33692011-08-30 13:27:07 -0700344 UniquePtr<ParsedOptions> parsed(new ParsedOptions());
Brian Carlstroma004aa92012-02-08 18:05:09 -0800345 const char* boot_class_path_string = getenv("BOOTCLASSPATH");
346 if (boot_class_path_string != NULL) {
347 parsed->boot_class_path_string_ = boot_class_path_string;
Brian Carlstrom58ae9412011-10-04 00:56:06 -0700348 }
Brian Carlstroma004aa92012-02-08 18:05:09 -0800349 const char* class_path_string = getenv("CLASSPATH");
350 if (class_path_string != NULL) {
351 parsed->class_path_string_ = class_path_string;
Brian Carlstrom58ae9412011-10-04 00:56:06 -0700352 }
Elliott Hughes67d92002012-03-26 15:08:51 -0700353 // -Xcheck:jni is off by default for regular builds but on by default in debug builds.
354 parsed->check_jni_ = kIsDebugBuild;
Elliott Hughes85d15452011-09-16 17:33:01 -0700355
Ian Rogers1d54e732013-05-02 21:10:01 -0700356 parsed->heap_initial_size_ = gc::Heap::kDefaultInitialSize;
357 parsed->heap_maximum_size_ = gc::Heap::kDefaultMaximumSize;
358 parsed->heap_min_free_ = gc::Heap::kDefaultMinFree;
359 parsed->heap_max_free_ = gc::Heap::kDefaultMaxFree;
360 parsed->heap_target_utilization_ = gc::Heap::kDefaultTargetUtilization;
Elliott Hughes6cf23882012-06-15 15:42:07 -0700361 parsed->heap_growth_limit_ = 0; // 0 means no growth limit.
Mathieu Chartier63a54342013-07-23 13:17:59 -0700362 // Default to number of processors minus one since the main GC thread also does work.
Mathieu Chartier2775ee42013-08-20 17:43:47 -0700363 parsed->parallel_gc_threads_ = sysconf(_SC_NPROCESSORS_CONF) - 1;
364 // Only the main GC thread, no workers.
365 parsed->conc_gc_threads_ = 0;
Brian Carlstrom7934ac22013-07-26 10:54:15 -0700366 parsed->stack_size_ = 0; // 0 means default.
Ian Rogersd9c4fc92013-10-01 19:45:43 -0700367 parsed->max_spins_before_thin_lock_inflation_ = Monitor::kDefaultMaxSpinsBeforeThinLockInflation;
Mathieu Chartiere0a53e92013-08-05 10:17:40 -0700368 parsed->low_memory_mode_ = false;
Brian Carlstromf734cf52011-08-17 16:28:14 -0700369
Elliott Hughesd9c67be2012-02-02 19:54:06 -0800370 parsed->is_compiler_ = false;
Elliott Hughes9ca7a1f2011-10-11 14:29:52 -0700371 parsed->is_zygote_ = false;
Ian Rogers50ffee22012-11-20 11:47:44 -0800372 parsed->interpreter_only_ = false;
Mathieu Chartier069387a2012-06-18 12:01:01 -0700373 parsed->is_concurrent_gc_enabled_ = true;
Anwar Ghuloum87183592013-08-14 12:12:19 -0700374 parsed->is_explicit_gc_disabled_ = false;
Elliott Hughes9ca7a1f2011-10-11 14:29:52 -0700375
Mathieu Chartier2775ee42013-08-20 17:43:47 -0700376 parsed->long_pause_log_threshold_ = gc::Heap::kDefaultLongPauseLogThreshold;
377 parsed->long_gc_log_threshold_ = gc::Heap::kDefaultLongGCLogThreshold;
Mathieu Chartierff3b24a2013-11-22 16:04:25 -0800378 parsed->dump_gc_performance_on_shutdown_ = false;
Mathieu Chartier2775ee42013-08-20 17:43:47 -0700379 parsed->ignore_max_footprint_ = false;
380
Elliott Hughesfc861622011-10-17 17:57:47 -0700381 parsed->lock_profiling_threshold_ = 0;
382 parsed->hook_is_sensitive_thread_ = NULL;
383
Brian Carlstrom6ea095a2011-08-16 15:26:54 -0700384 parsed->hook_vfprintf_ = vfprintf;
385 parsed->hook_exit_ = exit;
Brian Carlstrom7934ac22013-07-26 10:54:15 -0700386 parsed->hook_abort_ = NULL; // We don't call abort(3) by default; see Runtime::Abort.
Brian Carlstrom8a436592011-08-15 21:27:23 -0700387
buzbeea024a062013-07-31 10:47:37 -0700388 parsed->compiler_filter_ = Runtime::kDefaultCompilerFilter;
389 parsed->huge_method_threshold_ = Runtime::kDefaultHugeMethodThreshold;
390 parsed->large_method_threshold_ = Runtime::kDefaultLargeMethodThreshold;
391 parsed->small_method_threshold_ = Runtime::kDefaultSmallMethodThreshold;
392 parsed->tiny_method_threshold_ = Runtime::kDefaultTinyMethodThreshold;
393 parsed->num_dex_methods_threshold_ = Runtime::kDefaultNumDexMethodsThreshold;
Anwar Ghuloum8447d842013-04-30 17:27:40 -0700394
Dragos Sbirlea7467ee02013-06-21 09:20:34 -0700395 parsed->sea_ir_mode_ = false;
Brian Carlstrom7934ac22013-07-26 10:54:15 -0700396// gLogVerbosity.class_linker = true; // TODO: don't check this in!
397// gLogVerbosity.compiler = true; // TODO: don't check this in!
Anwar Ghuloum75a43f12013-08-13 17:22:14 -0700398// gLogVerbosity.verifier = true; // TODO: don't check this in!
Brian Carlstrom7934ac22013-07-26 10:54:15 -0700399// gLogVerbosity.heap = true; // TODO: don't check this in!
400// gLogVerbosity.gc = true; // TODO: don't check this in!
401// gLogVerbosity.jdwp = true; // TODO: don't check this in!
402// gLogVerbosity.jni = true; // TODO: don't check this in!
403// gLogVerbosity.monitor = true; // TODO: don't check this in!
404// gLogVerbosity.startup = true; // TODO: don't check this in!
405// gLogVerbosity.third_party_jni = true; // TODO: don't check this in!
406// gLogVerbosity.threads = true; // TODO: don't check this in!
Elliott Hughesb3bd5f02012-03-08 21:05:27 -0800407
jeffhaob5e81852012-03-12 11:15:45 -0700408 parsed->method_trace_ = false;
409 parsed->method_trace_file_ = "/data/method-trace-file.bin";
410 parsed->method_trace_file_size_ = 10 * MB;
411
Brian Carlstrom8a436592011-08-15 21:27:23 -0700412 for (size_t i = 0; i < options.size(); ++i) {
Elliott Hughesf1a5adc2012-02-10 18:09:35 -0800413 const std::string option(options[i].first);
Brian Carlstrom0796af02011-10-12 14:31:45 -0700414 if (true && options[0].first == "-Xzygote") {
Brian Carlstrom58ae9412011-10-04 00:56:06 -0700415 LOG(INFO) << "option[" << i << "]=" << option;
416 }
Elliott Hughesf1a5adc2012-02-10 18:09:35 -0800417 if (StartsWith(option, "-Xbootclasspath:")) {
Brian Carlstroma004aa92012-02-08 18:05:09 -0800418 parsed->boot_class_path_string_ = option.substr(strlen("-Xbootclasspath:")).data();
Brian Carlstrom69b15fb2011-09-03 12:25:21 -0700419 } else if (option == "-classpath" || option == "-cp") {
420 // TODO: support -Djava.class.path
421 i++;
422 if (i == options.size()) {
423 // TODO: usage
424 LOG(FATAL) << "Missing required class path value for " << option;
425 return NULL;
426 }
Brian Carlstroma004aa92012-02-08 18:05:09 -0800427 const StringPiece& value = options[i].first;
428 parsed->class_path_string_ = value.data();
429 } else if (option == "bootclasspath") {
430 parsed->boot_class_path_
431 = reinterpret_cast<const std::vector<const DexFile*>*>(options[i].second);
Elliott Hughesf1a5adc2012-02-10 18:09:35 -0800432 } else if (StartsWith(option, "-Ximage:")) {
Brian Carlstroma004aa92012-02-08 18:05:09 -0800433 parsed->image_ = option.substr(strlen("-Ximage:")).data();
Elliott Hughesf1a5adc2012-02-10 18:09:35 -0800434 } else if (StartsWith(option, "-Xcheck:jni")) {
Elliott Hughes515a5bc2011-08-17 11:08:34 -0700435 parsed->check_jni_ = true;
Elliott Hughesf1a5adc2012-02-10 18:09:35 -0800436 } else if (StartsWith(option, "-Xrunjdwp:") || StartsWith(option, "-agentlib:jdwp=")) {
437 std::string tail(option.substr(option[1] == 'X' ? 10 : 15));
Elliott Hughes3bb81562011-10-21 18:52:59 -0700438 if (tail == "help" || !Dbg::ParseJdwpOptions(tail)) {
439 LOG(FATAL) << "Example: -Xrunjdwp:transport=dt_socket,address=8000,server=y\n"
440 << "Example: -Xrunjdwp:transport=dt_socket,address=localhost:6500,server=n";
441 return NULL;
442 }
Elliott Hughesf1a5adc2012-02-10 18:09:35 -0800443 } else if (StartsWith(option, "-Xms")) {
444 size_t size = ParseMemoryOption(option.substr(strlen("-Xms")).c_str(), 1024);
Brian Carlstromf734cf52011-08-17 16:28:14 -0700445 if (size == 0) {
446 if (ignore_unrecognized) {
447 continue;
448 }
Brian Carlstrom4a289ed2011-08-16 17:17:49 -0700449 // TODO: usage
Brian Carlstrom69b15fb2011-09-03 12:25:21 -0700450 LOG(FATAL) << "Failed to parse " << option;
Brian Carlstromf734cf52011-08-17 16:28:14 -0700451 return NULL;
452 }
453 parsed->heap_initial_size_ = size;
Elliott Hughesf1a5adc2012-02-10 18:09:35 -0800454 } else if (StartsWith(option, "-Xmx")) {
455 size_t size = ParseMemoryOption(option.substr(strlen("-Xmx")).c_str(), 1024);
Brian Carlstromf734cf52011-08-17 16:28:14 -0700456 if (size == 0) {
457 if (ignore_unrecognized) {
458 continue;
459 }
Brian Carlstrom4a289ed2011-08-16 17:17:49 -0700460 // TODO: usage
Brian Carlstrom69b15fb2011-09-03 12:25:21 -0700461 LOG(FATAL) << "Failed to parse " << option;
Brian Carlstromf734cf52011-08-17 16:28:14 -0700462 return NULL;
463 }
464 parsed->heap_maximum_size_ = size;
Elliott Hughesf1a5adc2012-02-10 18:09:35 -0800465 } else if (StartsWith(option, "-XX:HeapGrowthLimit=")) {
466 size_t size = ParseMemoryOption(option.substr(strlen("-XX:HeapGrowthLimit=")).c_str(), 1024);
jeffhaoc1160702011-10-27 15:48:45 -0700467 if (size == 0) {
468 if (ignore_unrecognized) {
469 continue;
470 }
471 // TODO: usage
472 LOG(FATAL) << "Failed to parse " << option;
473 return NULL;
474 }
475 parsed->heap_growth_limit_ = size;
Mathieu Chartier0051be62012-10-12 17:47:11 -0700476 } else if (StartsWith(option, "-XX:HeapMinFree=")) {
477 size_t size = ParseMemoryOption(option.substr(strlen("-XX:HeapMinFree=")).c_str(), 1024);
478 if (size == 0) {
479 if (ignore_unrecognized) {
480 continue;
481 }
482 // TODO: usage
483 LOG(FATAL) << "Failed to parse " << option;
484 return NULL;
485 }
486 parsed->heap_min_free_ = size;
487 } else if (StartsWith(option, "-XX:HeapMaxFree=")) {
488 size_t size = ParseMemoryOption(option.substr(strlen("-XX:HeapMaxFree=")).c_str(), 1024);
489 if (size == 0) {
490 if (ignore_unrecognized) {
491 continue;
492 }
493 // TODO: usage
494 LOG(FATAL) << "Failed to parse " << option;
495 return NULL;
496 }
497 parsed->heap_max_free_ = size;
498 } else if (StartsWith(option, "-XX:HeapTargetUtilization=")) {
499 std::istringstream iss(option.substr(strlen("-XX:HeapTargetUtilization=")));
500 double value;
501 iss >> value;
502 // 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 -0700503 const bool sane_val = iss.eof() && (value >= 0.1) && (value <= 0.9);
Mathieu Chartier0051be62012-10-12 17:47:11 -0700504 if (!sane_val) {
505 if (ignore_unrecognized) {
506 continue;
507 }
508 LOG(FATAL) << "Invalid option '" << option << "'";
509 return NULL;
510 }
511 parsed->heap_target_utilization_ = value;
Mathieu Chartier2775ee42013-08-20 17:43:47 -0700512 } else if (StartsWith(option, "-XX:ParallelGCThreads=")) {
513 parsed->parallel_gc_threads_ =
514 ParseMemoryOption(option.substr(strlen("-XX:ParallelGCThreads=")).c_str(), 1024);
515 } else if (StartsWith(option, "-XX:ConcGCThreads=")) {
516 parsed->conc_gc_threads_ =
517 ParseMemoryOption(option.substr(strlen("-XX:ConcGCThreads=")).c_str(), 1024);
Elliott Hughesf1a5adc2012-02-10 18:09:35 -0800518 } else if (StartsWith(option, "-Xss")) {
519 size_t size = ParseMemoryOption(option.substr(strlen("-Xss")).c_str(), 1);
Brian Carlstromf734cf52011-08-17 16:28:14 -0700520 if (size == 0) {
521 if (ignore_unrecognized) {
522 continue;
523 }
Brian Carlstrom4a289ed2011-08-16 17:17:49 -0700524 // TODO: usage
Brian Carlstrom69b15fb2011-09-03 12:25:21 -0700525 LOG(FATAL) << "Failed to parse " << option;
Brian Carlstromf734cf52011-08-17 16:28:14 -0700526 return NULL;
527 }
528 parsed->stack_size_ = size;
Ian Rogersd9c4fc92013-10-01 19:45:43 -0700529 } else if (StartsWith(option, "-XX:MaxSpinsBeforeThinLockInflation=")) {
530 parsed->max_spins_before_thin_lock_inflation_ =
531 strtoul(option.substr(strlen("-XX:MaxSpinsBeforeThinLockInflation=")).c_str(),
532 nullptr, 10);
Mathieu Chartier2775ee42013-08-20 17:43:47 -0700533 } else if (option == "-XX:LongPauseLogThreshold") {
534 parsed->long_pause_log_threshold_ =
535 ParseMemoryOption(option.substr(strlen("-XX:LongPauseLogThreshold=")).c_str(), 1024);
536 } else if (option == "-XX:LongGCLogThreshold") {
537 parsed->long_gc_log_threshold_ =
538 ParseMemoryOption(option.substr(strlen("-XX:LongGCLogThreshold")).c_str(), 1024);
Mathieu Chartierff3b24a2013-11-22 16:04:25 -0800539 } else if (option == "-XX:DumpGCPerformanceOnShutdown") {
540 parsed->dump_gc_performance_on_shutdown_ = true;
Mathieu Chartier2775ee42013-08-20 17:43:47 -0700541 } else if (option == "-XX:IgnoreMaxFootprint") {
542 parsed->ignore_max_footprint_ = true;
Mathieu Chartiere0a53e92013-08-05 10:17:40 -0700543 } else if (option == "-XX:LowMemoryMode") {
544 parsed->low_memory_mode_ = true;
Elliott Hughesf1a5adc2012-02-10 18:09:35 -0800545 } else if (StartsWith(option, "-D")) {
546 parsed->properties_.push_back(option.substr(strlen("-D")));
547 } else if (StartsWith(option, "-Xjnitrace:")) {
548 parsed->jni_trace_ = option.substr(strlen("-Xjnitrace:"));
Brian Carlstrom5de8fe52011-10-16 14:10:09 -0700549 } else if (option == "compiler") {
Elliott Hughesd9c67be2012-02-02 19:54:06 -0800550 parsed->is_compiler_ = true;
Elliott Hughes9ca7a1f2011-10-11 14:29:52 -0700551 } else if (option == "-Xzygote") {
552 parsed->is_zygote_ = true;
Ian Rogers50ffee22012-11-20 11:47:44 -0800553 } else if (option == "-Xint") {
554 parsed->interpreter_only_ = true;
Mathieu Chartier069387a2012-06-18 12:01:01 -0700555 } else if (StartsWith(option, "-Xgc:")) {
556 std::vector<std::string> gc_options;
557 Split(option.substr(strlen("-Xgc:")), ',', gc_options);
558 for (size_t i = 0; i < gc_options.size(); ++i) {
559 if (gc_options[i] == "noconcurrent") {
560 parsed->is_concurrent_gc_enabled_ = false;
561 } else if (gc_options[i] == "concurrent") {
562 parsed->is_concurrent_gc_enabled_ = true;
563 } else {
564 LOG(WARNING) << "Ignoring unknown -Xgc option: " << gc_options[i];
565 }
566 }
Anwar Ghuloum87183592013-08-14 12:12:19 -0700567 } else if (option == "-XX:+DisableExplicitGC") {
568 parsed->is_explicit_gc_disabled_ = true;
Elliott Hughesf1a5adc2012-02-10 18:09:35 -0800569 } else if (StartsWith(option, "-verbose:")) {
Elliott Hughes0af55432011-08-17 18:37:28 -0700570 std::vector<std::string> verbose_options;
Elliott Hughesf1a5adc2012-02-10 18:09:35 -0800571 Split(option.substr(strlen("-verbose:")), ',', verbose_options);
Elliott Hughes0af55432011-08-17 18:37:28 -0700572 for (size_t i = 0; i < verbose_options.size(); ++i) {
Elliott Hughes4dd9b4d2011-12-12 18:29:24 -0800573 if (verbose_options[i] == "class") {
574 gLogVerbosity.class_linker = true;
Anwar Ghuloum75a43f12013-08-13 17:22:14 -0700575 } else if (verbose_options[i] == "verifier") {
576 gLogVerbosity.verifier = true;
Elliott Hughes4dd9b4d2011-12-12 18:29:24 -0800577 } else if (verbose_options[i] == "compiler") {
578 gLogVerbosity.compiler = true;
579 } else if (verbose_options[i] == "heap") {
580 gLogVerbosity.heap = true;
581 } else if (verbose_options[i] == "gc") {
582 gLogVerbosity.gc = true;
583 } else if (verbose_options[i] == "jdwp") {
584 gLogVerbosity.jdwp = true;
585 } else if (verbose_options[i] == "jni") {
586 gLogVerbosity.jni = true;
587 } else if (verbose_options[i] == "monitor") {
588 gLogVerbosity.monitor = true;
589 } else if (verbose_options[i] == "startup") {
590 gLogVerbosity.startup = true;
591 } else if (verbose_options[i] == "third-party-jni") {
592 gLogVerbosity.third_party_jni = true;
593 } else if (verbose_options[i] == "threads") {
594 gLogVerbosity.threads = true;
595 } else {
596 LOG(WARNING) << "Ignoring unknown -verbose option: " << verbose_options[i];
597 }
Elliott Hughes0af55432011-08-17 18:37:28 -0700598 }
Elliott Hughesf1a5adc2012-02-10 18:09:35 -0800599 } else if (StartsWith(option, "-Xjnigreflimit:")) {
Elliott Hughes2010a602013-07-02 14:17:23 -0700600 // Silently ignored for backwards compatibility.
Elliott Hughesf1a5adc2012-02-10 18:09:35 -0800601 } else if (StartsWith(option, "-Xlockprofthreshold:")) {
Elliott Hughesbb1e8f02011-10-18 14:14:25 -0700602 parsed->lock_profiling_threshold_ = ParseIntegerOrDie(option);
Elliott Hughesf1a5adc2012-02-10 18:09:35 -0800603 } else if (StartsWith(option, "-Xstacktracefile:")) {
Elliott Hughes206c20d2012-06-28 11:05:37 -0700604 parsed->stack_trace_file_ = option.substr(strlen("-Xstacktracefile:"));
Elliott Hughesfc861622011-10-17 17:57:47 -0700605 } else if (option == "sensitiveThread") {
Ian Rogers1b09b092012-08-20 15:35:52 -0700606 parsed->hook_is_sensitive_thread_ = reinterpret_cast<bool (*)()>(const_cast<void*>(options[i].second));
Brian Carlstrom6ea095a2011-08-16 15:26:54 -0700607 } else if (option == "vfprintf") {
Ian Rogers1b09b092012-08-20 15:35:52 -0700608 parsed->hook_vfprintf_ =
609 reinterpret_cast<int (*)(FILE *, const char*, va_list)>(const_cast<void*>(options[i].second));
Brian Carlstrom6ea095a2011-08-16 15:26:54 -0700610 } else if (option == "exit") {
Ian Rogers1b09b092012-08-20 15:35:52 -0700611 parsed->hook_exit_ = reinterpret_cast<void(*)(jint)>(const_cast<void*>(options[i].second));
Brian Carlstrom6ea095a2011-08-16 15:26:54 -0700612 } else if (option == "abort") {
Ian Rogers1b09b092012-08-20 15:35:52 -0700613 parsed->hook_abort_ = reinterpret_cast<void(*)()>(const_cast<void*>(options[i].second));
Brian Carlstrom58ae9412011-10-04 00:56:06 -0700614 } else if (option == "host-prefix") {
615 parsed->host_prefix_ = reinterpret_cast<const char*>(options[i].second);
Elliott Hughesb3e66df2012-01-12 14:49:18 -0800616 } else if (option == "-Xgenregmap" || option == "-Xgc:precise") {
617 // We silently ignore these for backwards compatibility.
jeffhaob5e81852012-03-12 11:15:45 -0700618 } else if (option == "-Xmethod-trace") {
619 parsed->method_trace_ = true;
620 } else if (StartsWith(option, "-Xmethod-trace-file:")) {
621 parsed->method_trace_file_ = option.substr(strlen("-Xmethod-trace-file:"));
622 } else if (StartsWith(option, "-Xmethod-trace-file-size:")) {
623 parsed->method_trace_file_size_ = ParseIntegerOrDie(option);
Elliott Hughese119a362012-05-22 17:37:06 -0700624 } else if (option == "-Xprofile:threadcpuclock") {
625 Trace::SetDefaultClockSource(kProfilerClockSourceThreadCpu);
626 } else if (option == "-Xprofile:wallclock") {
627 Trace::SetDefaultClockSource(kProfilerClockSourceWall);
628 } else if (option == "-Xprofile:dualclock") {
629 Trace::SetDefaultClockSource(kProfilerClockSourceDual);
buzbeea024a062013-07-31 10:47:37 -0700630 } else if (option == "-compiler-filter:interpret-only") {
631 parsed->compiler_filter_ = kInterpretOnly;
buzbeea024a062013-07-31 10:47:37 -0700632 } else if (option == "-compiler-filter:space") {
633 parsed->compiler_filter_ = kSpace;
634 } else if (option == "-compiler-filter:balanced") {
635 parsed->compiler_filter_ = kBalanced;
636 } else if (option == "-compiler-filter:speed") {
637 parsed->compiler_filter_ = kSpeed;
buzbeefe9ca402013-08-21 09:48:11 -0700638 } else if (option == "-compiler-filter:everything") {
639 parsed->compiler_filter_ = kEverything;
Brian Carlstrom2ce745c2013-07-17 17:44:30 -0700640 } else if (option == "-sea_ir") {
Dragos Sbirlea7467ee02013-06-21 09:20:34 -0700641 parsed->sea_ir_mode_ = true;
buzbeea024a062013-07-31 10:47:37 -0700642 } else if (StartsWith(option, "-huge-method-max:")) {
643 parsed->huge_method_threshold_ = ParseIntegerOrDie(option);
644 } else if (StartsWith(option, "-large-method-max:")) {
645 parsed->large_method_threshold_ = ParseIntegerOrDie(option);
646 } else if (StartsWith(option, "-small-method-max:")) {
647 parsed->small_method_threshold_ = ParseIntegerOrDie(option);
648 } else if (StartsWith(option, "-tiny-method-max:")) {
649 parsed->tiny_method_threshold_ = ParseIntegerOrDie(option);
650 } else if (StartsWith(option, "-num-dex-methods-max:")) {
651 parsed->num_dex_methods_threshold_ = ParseIntegerOrDie(option);
Brian Carlstrom8a436592011-08-15 21:27:23 -0700652 } else {
653 if (!ignore_unrecognized) {
Brian Carlstrom6ea095a2011-08-16 15:26:54 -0700654 // TODO: print usage via vfprintf
Brian Carlstrom27ec9612011-09-19 20:20:38 -0700655 LOG(ERROR) << "Unrecognized option " << option;
656 // TODO: this should exit, but for now tolerate unknown options
Brian Carlstrom7934ac22013-07-26 10:54:15 -0700657 // return NULL;
Brian Carlstrom8a436592011-08-15 21:27:23 -0700658 }
659 }
660 }
661
Brian Carlstromfb67b722013-06-24 23:41:51 -0700662 // If a reference to the dalvik core.jar snuck in, replace it with
663 // the art specific version. This can happen with on device
664 // boot.art/boot.oat generation by GenerateImage which relies on the
665 // value of BOOTCLASSPATH.
666 std::string core_jar("/core.jar");
667 size_t core_jar_pos = parsed->boot_class_path_string_.find(core_jar);
668 if (core_jar_pos != std::string::npos) {
669 parsed->boot_class_path_string_.replace(core_jar_pos, core_jar.size(), "/core-libart.jar");
670 }
671
Brian Carlstrom223f20f2012-02-04 23:06:55 -0800672 if (!parsed->is_compiler_ && parsed->image_.empty()) {
673 parsed->image_ += GetAndroidRoot();
674 parsed->image_ += "/framework/boot.art";
Brian Carlstrom5de8fe52011-10-16 14:10:09 -0700675 }
jeffhaoc1160702011-10-27 15:48:45 -0700676 if (parsed->heap_growth_limit_ == 0) {
677 parsed->heap_growth_limit_ = parsed->heap_maximum_size_;
678 }
Brian Carlstrom5de8fe52011-10-16 14:10:09 -0700679
Brian Carlstrom69b15fb2011-09-03 12:25:21 -0700680 return parsed.release();
Brian Carlstrom8a436592011-08-15 21:27:23 -0700681}
682
Ian Rogers00f7d0e2012-07-19 15:28:27 -0700683bool Runtime::Create(const Options& options, bool ignore_unrecognized) {
Carl Shapiro2ed144c2011-07-26 16:52:08 -0700684 // TODO: acquire a static mutex on Runtime to avoid racing.
685 if (Runtime::instance_ != NULL) {
Ian Rogers00f7d0e2012-07-19 15:28:27 -0700686 return false;
Carl Shapiro2ed144c2011-07-26 16:52:08 -0700687 }
Brian Carlstrom7934ac22013-07-26 10:54:15 -0700688 InitLogging(NULL); // Calls Locks::Init() as a side effect.
Elliott Hughesdcc24742011-09-07 14:02:44 -0700689 instance_ = new Runtime;
690 if (!instance_->Init(options, ignore_unrecognized)) {
691 delete instance_;
692 instance_ = NULL;
Ian Rogers00f7d0e2012-07-19 15:28:27 -0700693 return false;
Carl Shapiro61e019d2011-07-14 16:53:09 -0700694 }
Ian Rogers00f7d0e2012-07-19 15:28:27 -0700695 return true;
Brian Carlstrom69b15fb2011-09-03 12:25:21 -0700696}
Elliott Hughes0af55432011-08-17 18:37:28 -0700697
Brian Carlstromce888532013-10-10 00:32:58 -0700698jobject CreateSystemClassLoader() {
Elliott Hughesb3bd5f02012-03-08 21:05:27 -0800699 if (Runtime::Current()->UseCompileTimeClassPath()) {
Brian Carlstromce888532013-10-10 00:32:58 -0700700 return NULL;
Brian Carlstromaded5f72011-10-07 17:15:04 -0700701 }
702
Ian Rogers00f7d0e2012-07-19 15:28:27 -0700703 ScopedObjectAccess soa(Thread::Current());
Brian Carlstromaded5f72011-10-07 17:15:04 -0700704
Ian Rogers2dd0e2c2013-01-24 12:42:14 -0800705 mirror::Class* class_loader_class =
706 soa.Decode<mirror::Class*>(WellKnownClasses::java_lang_ClassLoader);
Ian Rogers365c1022012-06-22 15:05:28 -0700707 CHECK(Runtime::Current()->GetClassLinker()->EnsureInitialized(class_loader_class, true, true));
Brian Carlstromaded5f72011-10-07 17:15:04 -0700708
Brian Carlstromea46f952013-07-30 01:26:50 -0700709 mirror::ArtMethod* getSystemClassLoader =
Ian Rogers2dd0e2c2013-01-24 12:42:14 -0800710 class_loader_class->FindDirectMethod("getSystemClassLoader", "()Ljava/lang/ClassLoader;");
Brian Carlstromdf143242011-10-10 18:05:34 -0700711 CHECK(getSystemClassLoader != NULL);
Brian Carlstromaded5f72011-10-07 17:15:04 -0700712
Jeff Hao5d917302013-02-27 17:57:33 -0800713 JValue result;
Jeff Hao5d917302013-02-27 17:57:33 -0800714 ArgArray arg_array(NULL, 0);
Jeff Hao6474d192013-03-26 14:08:09 -0700715 InvokeWithArgArray(soa, getSystemClassLoader, &arg_array, &result, 'L');
Jeff Hao5d917302013-02-27 17:57:33 -0800716 mirror::ClassLoader* class_loader = down_cast<mirror::ClassLoader*>(result.GetL());
Ian Rogers365c1022012-06-22 15:05:28 -0700717 CHECK(class_loader != NULL);
Jesse Wilson1b2b2f22011-11-22 11:47:44 -0500718
Brian Carlstromce888532013-10-10 00:32:58 -0700719 JNIEnv* env = soa.Self()->GetJniEnv();
720 ScopedLocalRef<jobject> system_class_loader(env, soa.AddLocalReference<jobject>(class_loader));
721 CHECK(system_class_loader.get() != NULL);
722
Ian Rogers00f7d0e2012-07-19 15:28:27 -0700723 soa.Self()->SetClassLoaderOverride(class_loader);
Ian Rogers365c1022012-06-22 15:05:28 -0700724
Ian Rogers2dd0e2c2013-01-24 12:42:14 -0800725 mirror::Class* thread_class = soa.Decode<mirror::Class*>(WellKnownClasses::java_lang_Thread);
Ian Rogers365c1022012-06-22 15:05:28 -0700726 CHECK(Runtime::Current()->GetClassLinker()->EnsureInitialized(thread_class, true, true));
727
Brian Carlstromea46f952013-07-30 01:26:50 -0700728 mirror::ArtField* contextClassLoader = thread_class->FindDeclaredInstanceField("contextClassLoader",
729 "Ljava/lang/ClassLoader;");
Jesse Wilson1b2b2f22011-11-22 11:47:44 -0500730 CHECK(contextClassLoader != NULL);
Ian Rogers365c1022012-06-22 15:05:28 -0700731
Ian Rogerscfaa4552012-11-26 21:00:08 -0800732 contextClassLoader->SetObject(soa.Self()->GetPeer(), class_loader);
Brian Carlstromce888532013-10-10 00:32:58 -0700733
734 return env->NewGlobalRef(system_class_loader.get());
Brian Carlstromaded5f72011-10-07 17:15:04 -0700735}
736
Brian Carlstrombd86bcc2013-03-10 20:26:16 -0700737bool Runtime::Start() {
Elliott Hughes4dd9b4d2011-12-12 18:29:24 -0800738 VLOG(startup) << "Runtime::Start entering";
Brian Carlstrom58ae9412011-10-04 00:56:06 -0700739
740 CHECK(host_prefix_.empty()) << host_prefix_;
741
Ian Rogers00f7d0e2012-07-19 15:28:27 -0700742 // Restore main thread state to kNative as expected by native code.
Ian Rogersa436fde2013-08-27 23:34:06 -0700743 Thread* self = Thread::Current();
Ian Rogers00f7d0e2012-07-19 15:28:27 -0700744 self->TransitionFromRunnableToSuspended(kNative);
745
Brian Carlstrom5d40f182011-09-26 22:29:18 -0700746 started_ = true;
747
Brian Carlstromae826982011-11-09 01:33:42 -0800748 // InitNativeMethods needs to be after started_ so that the classes
749 // it touches will have methods linked to the oat file if necessary.
750 InitNativeMethods();
751
Ian Rogers365c1022012-06-22 15:05:28 -0700752 // Initialize well known thread group values that may be accessed threads while attaching.
753 InitThreadGroups(self);
754
Jesse Wilson9a6bae82011-11-14 14:57:30 -0500755 Thread::FinishStartup();
756
Brian Carlstrombd86bcc2013-03-10 20:26:16 -0700757 if (is_zygote_) {
758 if (!InitZygote()) {
759 return false;
760 }
761 } else {
Elliott Hughesd1cc8362011-10-24 16:58:50 -0700762 DidForkFromZygote();
763 }
Elliott Hughes9ca7a1f2011-10-11 14:29:52 -0700764
Elliott Hughes85d15452011-09-16 17:33:01 -0700765 StartDaemonThreads();
Brian Carlstrom0a5b14d2011-09-27 13:29:15 -0700766
Brian Carlstromce888532013-10-10 00:32:58 -0700767 system_class_loader_ = CreateSystemClassLoader();
Brian Carlstromaded5f72011-10-07 17:15:04 -0700768
Elliott Hughes225f5a12012-06-11 11:23:48 -0700769 self->GetJniEnv()->locals.AssertEmpty();
Elliott Hughes726079d2011-10-07 18:43:44 -0700770
Elliott Hughes4dd9b4d2011-12-12 18:29:24 -0800771 VLOG(startup) << "Runtime::Start exiting";
Mathieu Chartier7664f5c2012-06-08 18:15:32 -0700772
773 finished_starting_ = true;
Brian Carlstrombd86bcc2013-03-10 20:26:16 -0700774
775 return true;
Elliott Hughes85d15452011-09-16 17:33:01 -0700776}
777
Ian Rogers120f1c72012-09-28 17:17:10 -0700778void Runtime::EndThreadBirth() EXCLUSIVE_LOCKS_REQUIRED(Locks::runtime_shutdown_lock_) {
779 DCHECK_GT(threads_being_born_, 0U);
780 threads_being_born_--;
781 if (shutting_down_started_ && threads_being_born_ == 0) {
Ian Rogersc604d732012-10-14 16:09:54 -0700782 shutdown_cond_->Broadcast(Thread::Current());
Ian Rogers120f1c72012-09-28 17:17:10 -0700783 }
784}
785
Brian Carlstrombd86bcc2013-03-10 20:26:16 -0700786// Do zygote-mode-only initialization.
787bool Runtime::InitZygote() {
788 // zygote goes into its own process group
Brian Carlstromb1eba212013-07-17 18:07:19 -0700789 setpgid(0, 0);
Brian Carlstrombd86bcc2013-03-10 20:26:16 -0700790
791 // See storage config details at http://source.android.com/tech/storage/
792 // Create private mount namespace shared by all children
793 if (unshare(CLONE_NEWNS) == -1) {
794 PLOG(WARNING) << "Failed to unshare()";
795 return false;
796 }
797
798 // Mark rootfs as being a slave so that changes from default
799 // namespace only flow into our children.
800 if (mount("rootfs", "/", NULL, (MS_SLAVE | MS_REC), NULL) == -1) {
801 PLOG(WARNING) << "Failed to mount() rootfs as MS_SLAVE";
802 return false;
803 }
804
805 // Create a staging tmpfs that is shared by our children; they will
806 // bind mount storage into their respective private namespaces, which
807 // are isolated from each other.
808 const char* target_base = getenv("EMULATED_STORAGE_TARGET");
809 if (target_base != NULL) {
810 if (mount("tmpfs", target_base, "tmpfs", MS_NOSUID | MS_NODEV,
Jeff Sharkey52cd1e82013-09-17 16:25:12 -0700811 "uid=0,gid=1028,mode=0751") == -1) {
Brian Carlstrombd86bcc2013-03-10 20:26:16 -0700812 LOG(WARNING) << "Failed to mount tmpfs to " << target_base;
813 return false;
814 }
815 }
816
817 return true;
818}
819
Brian Carlstromcaabb1b2011-10-11 18:09:13 -0700820void Runtime::DidForkFromZygote() {
Brian Carlstromcaabb1b2011-10-11 18:09:13 -0700821 is_zygote_ = false;
Elliott Hughesd1cc8362011-10-24 16:58:50 -0700822
Mathieu Chartier02b6a782012-10-26 13:51:26 -0700823 // Create the thread pool.
824 heap_->CreateThreadPool();
825
Brian Carlstromcaabb1b2011-10-11 18:09:13 -0700826 StartSignalCatcher();
Elliott Hughesd1cc8362011-10-24 16:58:50 -0700827
828 // Start the JDWP thread. If the command-line debugger flags specified "suspend=y",
829 // this will pause the runtime, so we probably want this to come last.
830 Dbg::StartJdwp();
Brian Carlstromcaabb1b2011-10-11 18:09:13 -0700831}
832
833void Runtime::StartSignalCatcher() {
834 if (!is_zygote_) {
Elliott Hughes94ce37a2011-10-18 15:07:48 -0700835 signal_catcher_ = new SignalCatcher(stack_trace_file_);
Brian Carlstromcaabb1b2011-10-11 18:09:13 -0700836 }
837}
838
Mathieu Chartier590fee92013-09-13 13:46:47 -0700839bool Runtime::IsShuttingDown(Thread* self) {
840 MutexLock mu(self, *Locks::runtime_shutdown_lock_);
841 return IsShuttingDownLocked();
842}
843
Elliott Hughes85d15452011-09-16 17:33:01 -0700844void Runtime::StartDaemonThreads() {
Elliott Hughes4dd9b4d2011-12-12 18:29:24 -0800845 VLOG(startup) << "Runtime::StartDaemonThreads entering";
Elliott Hughes85d15452011-09-16 17:33:01 -0700846
Elliott Hughes719b3232011-09-25 17:42:19 -0700847 Thread* self = Thread::Current();
Brian Carlstromaded5f72011-10-07 17:15:04 -0700848
849 // Must be in the kNative state for calling native methods.
Ian Rogers50b35e22012-10-04 10:09:15 -0700850 CHECK_EQ(self->GetState(), kNative);
Brian Carlstromaded5f72011-10-07 17:15:04 -0700851
Elliott Hughes719b3232011-09-25 17:42:19 -0700852 JNIEnv* env = self->GetJniEnv();
Ian Rogers2fa6b2e2012-10-17 00:10:17 -0700853 env->CallStaticVoidMethod(WellKnownClasses::java_lang_Daemons,
854 WellKnownClasses::java_lang_Daemons_start);
855 if (env->ExceptionCheck()) {
856 env->ExceptionDescribe();
857 LOG(FATAL) << "Error starting java.lang.Daemons";
858 }
Elliott Hughes9ca7a1f2011-10-11 14:29:52 -0700859
Elliott Hughes4dd9b4d2011-12-12 18:29:24 -0800860 VLOG(startup) << "Runtime::StartDaemonThreads exiting";
Carl Shapiro61e019d2011-07-14 16:53:09 -0700861}
862
Elliott Hughes0af55432011-08-17 18:37:28 -0700863bool Runtime::Init(const Options& raw_options, bool ignore_unrecognized) {
Elliott Hughesc1674ed2011-08-25 18:09:09 -0700864 CHECK_EQ(sysconf(_SC_PAGE_SIZE), kPageSize);
Brian Carlstrom6ea095a2011-08-16 15:26:54 -0700865
Elliott Hughes90a33692011-08-30 13:27:07 -0700866 UniquePtr<ParsedOptions> options(ParsedOptions::Create(raw_options, ignore_unrecognized));
867 if (options.get() == NULL) {
Brian Carlstrome24fa612011-09-29 00:53:55 -0700868 LOG(ERROR) << "Failed to parse options";
Brian Carlstrom6ea095a2011-08-16 15:26:54 -0700869 return false;
870 }
Elliott Hughes4dd9b4d2011-12-12 18:29:24 -0800871 VLOG(startup) << "Runtime::Init -verbose:startup enabled";
Elliott Hughes7ede61e2011-09-14 18:18:06 -0700872
Elliott Hughes7c6169d2012-05-02 16:11:48 -0700873 QuasiAtomic::Startup();
874
Elliott Hughes4dd9b4d2011-12-12 18:29:24 -0800875 Monitor::Init(options->lock_profiling_threshold_, options->hook_is_sensitive_thread_);
Elliott Hughes32d6e1e2011-10-11 14:47:44 -0700876
Brian Carlstrom58ae9412011-10-04 00:56:06 -0700877 host_prefix_ = options->host_prefix_;
Brian Carlstroma004aa92012-02-08 18:05:09 -0800878 boot_class_path_string_ = options->boot_class_path_string_;
879 class_path_string_ = options->class_path_string_;
Elliott Hughes7ede61e2011-09-14 18:18:06 -0700880 properties_ = options->properties_;
881
Elliott Hughesd9c67be2012-02-02 19:54:06 -0800882 is_compiler_ = options->is_compiler_;
Elliott Hughes9ca7a1f2011-10-11 14:29:52 -0700883 is_zygote_ = options->is_zygote_;
Anwar Ghuloum87183592013-08-14 12:12:19 -0700884 is_explicit_gc_disabled_ = options->is_explicit_gc_disabled_;
Elliott Hughes9ca7a1f2011-10-11 14:29:52 -0700885
buzbeea024a062013-07-31 10:47:37 -0700886 compiler_filter_ = options->compiler_filter_;
887 huge_method_threshold_ = options->huge_method_threshold_;
888 large_method_threshold_ = options->large_method_threshold_;
889 small_method_threshold_ = options->small_method_threshold_;
890 tiny_method_threshold_ = options->tiny_method_threshold_;
891 num_dex_methods_threshold_ = options->num_dex_methods_threshold_;
Anwar Ghuloum8447d842013-04-30 17:27:40 -0700892
Dragos Sbirlea7467ee02013-06-21 09:20:34 -0700893 sea_ir_mode_ = options->sea_ir_mode_;
Elliott Hughes0af55432011-08-17 18:37:28 -0700894 vfprintf_ = options->hook_vfprintf_;
895 exit_ = options->hook_exit_;
896 abort_ = options->hook_abort_;
Brian Carlstrom6ea095a2011-08-16 15:26:54 -0700897
Elliott Hughesbe759c62011-09-08 19:38:21 -0700898 default_stack_size_ = options->stack_size_;
Elliott Hughes94ce37a2011-10-18 15:07:48 -0700899 stack_trace_file_ = options->stack_trace_file_;
Brian Carlstrom6ea095a2011-08-16 15:26:54 -0700900
Ian Rogersd9c4fc92013-10-01 19:45:43 -0700901 max_spins_before_thin_lock_inflation_ = options->max_spins_before_thin_lock_inflation_;
902
Elliott Hughesc33a32b2011-10-11 18:18:07 -0700903 monitor_list_ = new MonitorList;
Elliott Hughes4dd9b4d2011-12-12 18:29:24 -0800904 thread_list_ = new ThreadList;
Elliott Hughescf4c6c42011-09-01 15:16:42 -0700905 intern_table_ = new InternTable;
906
Logan Chiendd361c92012-04-10 23:40:37 +0800907
Ian Rogers62d6c772013-02-27 08:32:07 -0800908 if (options->interpreter_only_) {
909 GetInstrumentation()->ForceInterpretOnly();
910 }
911
Ian Rogers1d54e732013-05-02 21:10:01 -0700912 heap_ = new gc::Heap(options->heap_initial_size_,
913 options->heap_growth_limit_,
914 options->heap_min_free_,
915 options->heap_max_free_,
916 options->heap_target_utilization_,
917 options->heap_maximum_size_,
918 options->image_,
Mathieu Chartier63a54342013-07-23 13:17:59 -0700919 options->is_concurrent_gc_enabled_,
Mathieu Chartier2775ee42013-08-20 17:43:47 -0700920 options->parallel_gc_threads_,
921 options->conc_gc_threads_,
922 options->low_memory_mode_,
923 options->long_pause_log_threshold_,
924 options->long_gc_log_threshold_,
925 options->ignore_max_footprint_);
Brian Carlstrom6ea095a2011-08-16 15:26:54 -0700926
Hiroshi Yamauchi2e899a92013-11-22 16:50:12 -0800927 dump_gc_performance_on_shutdown_ = options->dump_gc_performance_on_shutdown_;
928
Elliott Hughesc1674ed2011-08-25 18:09:09 -0700929 BlockSignals();
Elliott Hughes457005c2012-04-16 13:54:25 -0700930 InitPlatformSignalHandlers();
Elliott Hughesc1674ed2011-08-25 18:09:09 -0700931
Elliott Hughesa0957642011-09-02 14:27:33 -0700932 java_vm_ = new JavaVMExt(this, options.get());
Elliott Hughes515a5bc2011-08-17 11:08:34 -0700933
Elliott Hughesbe759c62011-09-08 19:38:21 -0700934 Thread::Startup();
Elliott Hughesd92bec42011-09-02 17:04:36 -0700935
Mathieu Chartier664bebf2012-11-12 16:54:11 -0800936 // ClassLinker needs an attached thread, but we can't fully attach a thread without creating
937 // objects. We can't supply a thread group yet; it will be fixed later. Since we are the main
938 // thread, we do not get a java peer.
939 Thread* self = Thread::Attach("main", false, NULL, false);
Ian Rogersd9c4fc92013-10-01 19:45:43 -0700940 CHECK_EQ(self->thin_lock_thread_id_, ThreadList::kMainThreadId);
Ian Rogers120f1c72012-09-28 17:17:10 -0700941 CHECK(self != NULL);
Brian Carlstrom6ea095a2011-08-16 15:26:54 -0700942
Brian Carlstromf28bc5b2011-10-26 01:15:03 -0700943 // Set us to runnable so tools using a runtime can allocate and GC by default
Ian Rogers120f1c72012-09-28 17:17:10 -0700944 self->TransitionFromSuspendedToRunnable();
Brian Carlstromf28bc5b2011-10-26 01:15:03 -0700945
Ian Rogersa436fde2013-08-27 23:34:06 -0700946 // Now we're attached, we can take the heap locks and validate the heap.
Ian Rogers141d6222012-04-05 12:23:06 -0700947 GetHeap()->EnableObjectValidation();
948
Ian Rogers1d54e732013-05-02 21:10:01 -0700949 CHECK_GE(GetHeap()->GetContinuousSpaces().size(), 1U);
Mathieu Chartier590fee92013-09-13 13:46:47 -0700950 class_linker_ = new ClassLinker(intern_table_);
951 if (GetHeap()->HasImageSpace()) {
952 class_linker_->InitFromImage();
Brian Carlstroma004aa92012-02-08 18:05:09 -0800953 } else {
954 CHECK(options->boot_class_path_ != NULL);
955 CHECK_NE(options->boot_class_path_->size(), 0U);
Mathieu Chartier590fee92013-09-13 13:46:47 -0700956 class_linker_->InitFromCompiler(*options->boot_class_path_);
Brian Carlstroma004aa92012-02-08 18:05:09 -0800957 }
958 CHECK(class_linker_ != NULL);
Sameer Abu Asal51a5fb72013-02-19 14:25:01 -0800959 verifier::MethodVerifier::Init();
Brian Carlstrom6ea095a2011-08-16 15:26:54 -0700960
jeffhaob5e81852012-03-12 11:15:45 -0700961 method_trace_ = options->method_trace_;
962 method_trace_file_ = options->method_trace_file_;
963 method_trace_file_size_ = options->method_trace_file_size_;
964
965 if (options->method_trace_) {
Jeff Hao23009dc2013-08-22 15:36:42 -0700966 Trace::Start(options->method_trace_file_.c_str(), -1, options->method_trace_file_size_, 0,
967 false, false, 0);
jeffhaob5e81852012-03-12 11:15:45 -0700968 }
969
Ian Rogersa436fde2013-08-27 23:34:06 -0700970 // Pre-allocate an OutOfMemoryError for the double-OOME case.
971 self->ThrowNewException(ThrowLocation(), "Ljava/lang/OutOfMemoryError;",
972 "OutOfMemoryError thrown while trying to throw OutOfMemoryError; no stack available");
973 pre_allocated_OutOfMemoryError_ = self->GetException(NULL);
974 self->ClearException();
975
Elliott Hughes4dd9b4d2011-12-12 18:29:24 -0800976 VLOG(startup) << "Runtime::Init exiting";
Carl Shapiro1fb86202011-06-27 17:43:13 -0700977 return true;
978}
979
Elliott Hughes038a8062011-09-18 14:12:41 -0700980void Runtime::InitNativeMethods() {
Elliott Hughes4dd9b4d2011-12-12 18:29:24 -0800981 VLOG(startup) << "Runtime::InitNativeMethods entering";
Elliott Hughesad7c2a32011-08-31 11:58:10 -0700982 Thread* self = Thread::Current();
983 JNIEnv* env = self->GetJniEnv();
984
Elliott Hughes418d20f2011-09-22 14:00:39 -0700985 // Must be in the kNative state for calling native methods (JNI_OnLoad code).
Ian Rogers50b35e22012-10-04 10:09:15 -0700986 CHECK_EQ(self->GetState(), kNative);
Elliott Hughesad7c2a32011-08-31 11:58:10 -0700987
Elliott Hughes418d20f2011-09-22 14:00:39 -0700988 // First set up JniConstants, which is used by both the runtime's built-in native
989 // methods and libcore.
Elliott Hughesfea966e2011-09-22 10:26:20 -0700990 JniConstants::init(env);
Elliott Hugheseac76672012-05-24 21:56:51 -0700991 WellKnownClasses::Init(env);
Elliott Hughesfea966e2011-09-22 10:26:20 -0700992
Elliott Hughes418d20f2011-09-22 14:00:39 -0700993 // Then set up the native methods provided by the runtime itself.
Elliott Hughesad7c2a32011-08-31 11:58:10 -0700994 RegisterRuntimeNativeMethods(env);
995
Elliott Hughes418d20f2011-09-22 14:00:39 -0700996 // Then set up libcore, which is just a regular JNI library with a regular JNI_OnLoad.
997 // Most JNI libraries can just use System.loadLibrary, but libcore can't because it's
998 // the library that implements System.loadLibrary!
Ian Rogers00f7d0e2012-07-19 15:28:27 -0700999 {
1000 std::string mapped_name(StringPrintf(OS_SHARED_LIB_FORMAT_STR, "javacore"));
1001 std::string reason;
1002 self->TransitionFromSuspendedToRunnable();
Ian Rogers1eb512d2013-10-18 15:42:20 -07001003 if (!instance_->java_vm_->LoadNativeLibrary(mapped_name, NULL, &reason)) {
Ian Rogers00f7d0e2012-07-19 15:28:27 -07001004 LOG(FATAL) << "LoadNativeLibrary failed for \"" << mapped_name << "\": " << reason;
1005 }
1006 self->TransitionFromRunnableToSuspended(kNative);
1007 }
Ian Rogersef28b142012-11-30 14:22:18 -08001008
1009 // Initialize well known classes that may invoke runtime native methods.
1010 WellKnownClasses::LateInit(env);
1011
Elliott Hughes4dd9b4d2011-12-12 18:29:24 -08001012 VLOG(startup) << "Runtime::InitNativeMethods exiting";
Elliott Hughesad7c2a32011-08-31 11:58:10 -07001013}
1014
Ian Rogers365c1022012-06-22 15:05:28 -07001015void Runtime::InitThreadGroups(Thread* self) {
1016 JNIEnvExt* env = self->GetJniEnv();
1017 ScopedJniEnvLocalRefState env_state(env);
1018 main_thread_group_ =
1019 env->NewGlobalRef(env->GetStaticObjectField(WellKnownClasses::java_lang_ThreadGroup,
1020 WellKnownClasses::java_lang_ThreadGroup_mainThreadGroup));
Brian Carlstrom034f76b2012-08-01 15:51:58 -07001021 CHECK(main_thread_group_ != NULL || IsCompiler());
Ian Rogers365c1022012-06-22 15:05:28 -07001022 system_thread_group_ =
1023 env->NewGlobalRef(env->GetStaticObjectField(WellKnownClasses::java_lang_ThreadGroup,
1024 WellKnownClasses::java_lang_ThreadGroup_systemThreadGroup));
Brian Carlstrom034f76b2012-08-01 15:51:58 -07001025 CHECK(system_thread_group_ != NULL || IsCompiler());
1026}
1027
1028jobject Runtime::GetMainThreadGroup() const {
1029 CHECK(main_thread_group_ != NULL || IsCompiler());
1030 return main_thread_group_;
1031}
1032
1033jobject Runtime::GetSystemThreadGroup() const {
1034 CHECK(system_thread_group_ != NULL || IsCompiler());
1035 return system_thread_group_;
Ian Rogers365c1022012-06-22 15:05:28 -07001036}
1037
Brian Carlstromce888532013-10-10 00:32:58 -07001038jobject Runtime::GetSystemClassLoader() const {
1039 CHECK(system_class_loader_ != NULL || IsCompiler());
1040 return system_class_loader_;
1041}
1042
Elliott Hughesad7c2a32011-08-31 11:58:10 -07001043void Runtime::RegisterRuntimeNativeMethods(JNIEnv* env) {
1044#define REGISTER(FN) extern void FN(JNIEnv*); FN(env)
Ian Rogers5167c972012-02-03 10:41:20 -08001045 // Register Throwable first so that registration of other native methods can throw exceptions
1046 REGISTER(register_java_lang_Throwable);
Brian Carlstromf91c8c32011-09-21 17:30:34 -07001047 REGISTER(register_dalvik_system_DexFile);
Elliott Hughes9d5ccec2011-09-19 13:19:50 -07001048 REGISTER(register_dalvik_system_VMDebug);
Elliott Hughes7ede61e2011-09-14 18:18:06 -07001049 REGISTER(register_dalvik_system_VMRuntime);
Elliott Hughes8daa0922011-09-11 13:46:25 -07001050 REGISTER(register_dalvik_system_VMStack);
Elliott Hughes01158d72011-09-19 19:47:10 -07001051 REGISTER(register_dalvik_system_Zygote);
Elliott Hughesd369bb72011-09-12 14:41:14 -07001052 REGISTER(register_java_lang_Class);
Ian Rogers8b2c0b92013-09-19 02:56:49 -07001053 REGISTER(register_java_lang_DexCache);
Elliott Hughesbf86d042011-08-31 17:53:14 -07001054 REGISTER(register_java_lang_Object);
1055 REGISTER(register_java_lang_Runtime);
1056 REGISTER(register_java_lang_String);
1057 REGISTER(register_java_lang_System);
Elliott Hughes8daa0922011-09-11 13:46:25 -07001058 REGISTER(register_java_lang_Thread);
Elliott Hughes64bf5a32011-09-20 14:43:12 -07001059 REGISTER(register_java_lang_VMClassLoader);
Brian Carlstrom5b8e4c82011-09-18 01:38:59 -07001060 REGISTER(register_java_lang_reflect_Array);
Elliott Hughes2a20cfd2011-09-23 19:30:41 -07001061 REGISTER(register_java_lang_reflect_Constructor);
Brian Carlstromf867b6f2011-09-16 12:17:25 -07001062 REGISTER(register_java_lang_reflect_Field);
1063 REGISTER(register_java_lang_reflect_Method);
Jesse Wilson95caa792011-10-12 18:14:17 -04001064 REGISTER(register_java_lang_reflect_Proxy);
Elliott Hughesbf86d042011-08-31 17:53:14 -07001065 REGISTER(register_java_util_concurrent_atomic_AtomicLong);
Brian Carlstrom395520e2011-09-25 19:35:00 -07001066 REGISTER(register_org_apache_harmony_dalvik_ddmc_DdmServer);
Elliott Hughesf6a1e1e2011-10-25 16:28:04 -07001067 REGISTER(register_org_apache_harmony_dalvik_ddmc_DdmVmInternal);
Elliott Hughes5ee7a8b2011-09-13 16:40:07 -07001068 REGISTER(register_sun_misc_Unsafe);
Elliott Hughesad7c2a32011-08-31 11:58:10 -07001069#undef REGISTER
1070}
1071
Elliott Hughesc967f782012-04-16 10:23:15 -07001072void Runtime::DumpForSigQuit(std::ostream& os) {
Elliott Hughescac6cc72011-11-03 20:31:21 -07001073 GetClassLinker()->DumpForSigQuit(os);
1074 GetInternTable()->DumpForSigQuit(os);
Elliott Hughesae80b492012-04-24 10:43:17 -07001075 GetJavaVM()->DumpForSigQuit(os);
Elliott Hughesc967f782012-04-16 10:23:15 -07001076 GetHeap()->DumpForSigQuit(os);
Elliott Hughes42ee1422011-09-06 12:33:32 -07001077 os << "\n";
Elliott Hughes8daa0922011-09-11 13:46:25 -07001078
Elliott Hughesc967f782012-04-16 10:23:15 -07001079 thread_list_->DumpForSigQuit(os);
Ian Rogers56edc432013-01-18 16:51:51 -08001080 BaseMutex::DumpAll(os);
Elliott Hughese27955c2011-08-26 15:21:24 -07001081}
1082
Elliott Hughes21a5bf22011-12-07 14:35:20 -08001083void Runtime::DumpLockHolders(std::ostream& os) {
Ian Rogersb726dcb2012-09-05 08:57:23 -07001084 uint64_t mutator_lock_owner = Locks::mutator_lock_->GetExclusiveOwnerTid();
Elliott Hughes21a5bf22011-12-07 14:35:20 -08001085 pid_t thread_list_lock_owner = GetThreadList()->GetLockOwner();
1086 pid_t classes_lock_owner = GetClassLinker()->GetClassesLockOwner();
1087 pid_t dex_lock_owner = GetClassLinker()->GetDexLockOwner();
Ian Rogers00f7d0e2012-07-19 15:28:27 -07001088 if ((thread_list_lock_owner | classes_lock_owner | dex_lock_owner) != 0) {
1089 os << "Mutator lock exclusive owner tid: " << mutator_lock_owner << "\n"
Elliott Hughes21a5bf22011-12-07 14:35:20 -08001090 << "ThreadList lock owner tid: " << thread_list_lock_owner << "\n"
1091 << "ClassLinker classes lock owner tid: " << classes_lock_owner << "\n"
1092 << "ClassLinker dex lock owner tid: " << dex_lock_owner << "\n";
1093 }
1094}
1095
Elliott Hughes9d5ccec2011-09-19 13:19:50 -07001096void Runtime::SetStatsEnabled(bool new_state) {
1097 if (new_state == true) {
1098 GetStats()->Clear(~0);
1099 // TODO: wouldn't it make more sense to clear _all_ threads' stats?
1100 Thread::Current()->GetStats()->Clear(~0);
Ian Rogersfa824272013-11-05 16:12:57 -08001101 GetInstrumentation()->InstrumentQuickAllocEntryPoints();
Hiroshi Yamauchi3b4c1892013-09-12 21:33:12 -07001102 } else {
Ian Rogersfa824272013-11-05 16:12:57 -08001103 GetInstrumentation()->UninstrumentQuickAllocEntryPoints();
Elliott Hughes9d5ccec2011-09-19 13:19:50 -07001104 }
1105 stats_enabled_ = new_state;
1106}
1107
1108void Runtime::ResetStats(int kinds) {
1109 GetStats()->Clear(kinds & 0xffff);
1110 // TODO: wouldn't it make more sense to clear _all_ threads' stats?
1111 Thread::Current()->GetStats()->Clear(kinds >> 16);
1112}
1113
Elliott Hughes9d5ccec2011-09-19 13:19:50 -07001114int32_t Runtime::GetStat(int kind) {
1115 RuntimeStats* stats;
1116 if (kind < (1<<16)) {
1117 stats = GetStats();
1118 } else {
1119 stats = Thread::Current()->GetStats();
1120 kind >>= 16;
1121 }
1122 switch (kind) {
1123 case KIND_ALLOCATED_OBJECTS:
1124 return stats->allocated_objects;
1125 case KIND_ALLOCATED_BYTES:
1126 return stats->allocated_bytes;
1127 case KIND_FREED_OBJECTS:
1128 return stats->freed_objects;
1129 case KIND_FREED_BYTES:
1130 return stats->freed_bytes;
1131 case KIND_GC_INVOCATIONS:
1132 return stats->gc_for_alloc_count;
1133 case KIND_CLASS_INIT_COUNT:
1134 return stats->class_init_count;
1135 case KIND_CLASS_INIT_TIME:
1136 // Convert ns to us, reduce to 32 bits.
Elliott Hughes398f64b2012-03-26 18:05:48 -07001137 return static_cast<int>(stats->class_init_time_ns / 1000);
Elliott Hughes9d5ccec2011-09-19 13:19:50 -07001138 case KIND_EXT_ALLOCATED_OBJECTS:
1139 case KIND_EXT_ALLOCATED_BYTES:
1140 case KIND_EXT_FREED_OBJECTS:
1141 case KIND_EXT_FREED_BYTES:
1142 return 0; // backward compatibility
1143 default:
Elliott Hughes7b9d9962012-04-20 18:48:18 -07001144 LOG(FATAL) << "Unknown statistic " << kind;
Brian Carlstrom7934ac22013-07-26 10:54:15 -07001145 return -1; // unreachable
Elliott Hughes9d5ccec2011-09-19 13:19:50 -07001146 }
1147}
1148
Elliott Hughesc1674ed2011-08-25 18:09:09 -07001149void Runtime::BlockSignals() {
Elliott Hughes457005c2012-04-16 13:54:25 -07001150 SignalSet signals;
1151 signals.Add(SIGPIPE);
Elliott Hughesc1674ed2011-08-25 18:09:09 -07001152 // SIGQUIT is used to dump the runtime's state (including stack traces).
Elliott Hughes457005c2012-04-16 13:54:25 -07001153 signals.Add(SIGQUIT);
Elliott Hughes08795042012-04-03 14:48:52 -07001154 // SIGUSR1 is used to initiate a GC.
Elliott Hughes457005c2012-04-16 13:54:25 -07001155 signals.Add(SIGUSR1);
1156 signals.Block();
Elliott Hughesc1674ed2011-08-25 18:09:09 -07001157}
1158
Mathieu Chartier664bebf2012-11-12 16:54:11 -08001159bool Runtime::AttachCurrentThread(const char* thread_name, bool as_daemon, jobject thread_group,
1160 bool create_peer) {
1161 bool success = Thread::Attach(thread_name, as_daemon, thread_group, create_peer) != NULL;
Elliott Hughes22869a92012-03-27 14:08:24 -07001162 if (thread_name == NULL) {
1163 LOG(WARNING) << *Thread::Current() << " attached without supplying a name";
1164 }
Ian Rogers120f1c72012-09-28 17:17:10 -07001165 return success;
Carl Shapiro61e019d2011-07-14 16:53:09 -07001166}
1167
Elliott Hughesd92bec42011-09-02 17:04:36 -07001168void Runtime::DetachCurrentThread() {
Brian Carlstrom4d571432012-05-16 00:21:41 -07001169 Thread* self = Thread::Current();
1170 if (self == NULL) {
1171 LOG(FATAL) << "attempting to detach thread that is not attached";
1172 }
Ian Rogers0399dde2012-06-06 17:09:28 -07001173 if (self->HasManagedStack()) {
Elliott Hughes22869a92012-03-27 14:08:24 -07001174 LOG(FATAL) << *Thread::Current() << " attempting to detach while still running code";
1175 }
Ian Rogers00f7d0e2012-07-19 15:28:27 -07001176 thread_list_->Unregister(self);
Carl Shapiro1fb86202011-06-27 17:43:13 -07001177}
1178
Ian Rogersa436fde2013-08-27 23:34:06 -07001179 mirror::Throwable* Runtime::GetPreAllocatedOutOfMemoryError() const {
1180 if (pre_allocated_OutOfMemoryError_ == NULL) {
1181 LOG(ERROR) << "Failed to return pre-allocated OOME";
1182 }
1183 return pre_allocated_OutOfMemoryError_;
1184}
1185
Ian Rogers1d54e732013-05-02 21:10:01 -07001186void Runtime::VisitConcurrentRoots(RootVisitor* visitor, void* arg, bool only_dirty,
1187 bool clean_dirty) {
Mathieu Chartierc4621982013-09-16 19:43:47 -07001188 intern_table_->VisitRoots(visitor, arg, only_dirty, clean_dirty);
1189 class_linker_->VisitRoots(visitor, arg, only_dirty, clean_dirty);
Mathieu Chartier9ebae1f2012-10-15 17:38:16 -07001190}
1191
Ian Rogers2dd0e2c2013-01-24 12:42:14 -08001192void Runtime::VisitNonThreadRoots(RootVisitor* visitor, void* arg) {
Brian Carlstrome24fa612011-09-29 00:53:55 -07001193 java_vm_->VisitRoots(visitor, arg);
Mathieu Chartier423d2a32013-09-12 17:33:56 -07001194 if (pre_allocated_OutOfMemoryError_ != nullptr) {
1195 pre_allocated_OutOfMemoryError_ = reinterpret_cast<mirror::Throwable*>(
1196 visitor(pre_allocated_OutOfMemoryError_, arg));
1197 DCHECK(pre_allocated_OutOfMemoryError_ != nullptr);
Elliott Hughes225f5a12012-06-11 11:23:48 -07001198 }
Mathieu Chartier590fee92013-09-13 13:46:47 -07001199 resolution_method_ = down_cast<mirror::ArtMethod*>(visitor(resolution_method_, arg));
Mathieu Chartier423d2a32013-09-12 17:33:56 -07001200 DCHECK(resolution_method_ != nullptr);
Mathieu Chartier590fee92013-09-13 13:46:47 -07001201 if (HasImtConflictMethod()) {
1202 imt_conflict_method_ = down_cast<mirror::ArtMethod*>(visitor(imt_conflict_method_, arg));
1203 }
1204 if (HasDefaultImt()) {
1205 default_imt_ = down_cast<mirror::ObjectArray<mirror::ArtMethod>*>(visitor(default_imt_, arg));
1206 }
1207
Ian Rogers4f0d07c2011-10-06 23:38:47 -07001208 for (int i = 0; i < Runtime::kLastCalleeSaveType; i++) {
Mathieu Chartier590fee92013-09-13 13:46:47 -07001209 if (callee_save_methods_[i] != nullptr) {
1210 callee_save_methods_[i] = down_cast<mirror::ArtMethod*>(
1211 visitor(callee_save_methods_[i], arg));
1212 }
Ian Rogers4f0d07c2011-10-06 23:38:47 -07001213 }
Brian Carlstrome24fa612011-09-29 00:53:55 -07001214}
1215
Ian Rogers2dd0e2c2013-01-24 12:42:14 -08001216void Runtime::VisitNonConcurrentRoots(RootVisitor* visitor, void* arg) {
Mathieu Chartier858f1c52012-10-17 17:45:55 -07001217 thread_list_->VisitRoots(visitor, arg);
1218 VisitNonThreadRoots(visitor, arg);
1219}
1220
Ian Rogers1d54e732013-05-02 21:10:01 -07001221void Runtime::VisitRoots(RootVisitor* visitor, void* arg, bool only_dirty, bool clean_dirty) {
1222 VisitConcurrentRoots(visitor, arg, only_dirty, clean_dirty);
Mathieu Chartier9ebae1f2012-10-15 17:38:16 -07001223 VisitNonConcurrentRoots(visitor, arg);
1224}
1225
Jeff Hao88474b42013-10-23 16:24:40 -07001226mirror::ObjectArray<mirror::ArtMethod>* Runtime::CreateDefaultImt(ClassLinker* cl) {
1227 Thread* self = Thread::Current();
1228 SirtRef<mirror::ObjectArray<mirror::ArtMethod> > imtable(self, cl->AllocArtMethodArray(self, 64));
1229 mirror::ArtMethod* imt_conflict_method = Runtime::Current()->GetImtConflictMethod();
Mathieu Chartier590fee92013-09-13 13:46:47 -07001230 for (size_t i = 0; i < static_cast<size_t>(imtable->GetLength()); i++) {
Jeff Hao88474b42013-10-23 16:24:40 -07001231 imtable->Set(i, imt_conflict_method);
1232 }
1233 return imtable.get();
1234}
1235
1236mirror::ArtMethod* Runtime::CreateImtConflictMethod() {
Jeff Hao88474b42013-10-23 16:24:40 -07001237 Thread* self = Thread::Current();
Mathieu Chartier590fee92013-09-13 13:46:47 -07001238 Runtime* r = Runtime::Current();
1239 ClassLinker* cl = r->GetClassLinker();
1240 SirtRef<mirror::ArtMethod> method(self, cl->AllocArtMethod(self));
1241 method->SetDeclaringClass(mirror::ArtMethod::GetJavaLangReflectArtMethod());
Jeff Hao88474b42013-10-23 16:24:40 -07001242 // TODO: use a special method for imt conflict method saves
1243 method->SetDexMethodIndex(DexFile::kDexNoIndex);
1244 // When compiling, the code pointer will get set later when the image is loaded.
Jeff Hao88474b42013-10-23 16:24:40 -07001245 method->SetEntryPointFromCompiledCode(r->IsCompiler() ? NULL : GetImtConflictTrampoline(cl));
1246 return method.get();
1247}
1248
Brian Carlstromea46f952013-07-30 01:26:50 -07001249mirror::ArtMethod* Runtime::CreateResolutionMethod() {
Ian Rogers50b35e22012-10-04 10:09:15 -07001250 Thread* self = Thread::Current();
Mathieu Chartier590fee92013-09-13 13:46:47 -07001251 Runtime* r = Runtime::Current();
1252 ClassLinker* cl = r->GetClassLinker();
1253 SirtRef<mirror::ArtMethod> method(self, cl->AllocArtMethod(self));
1254 method->SetDeclaringClass(mirror::ArtMethod::GetJavaLangReflectArtMethod());
Ian Rogers19846512012-02-24 11:42:47 -08001255 // TODO: use a special method for resolution method saves
Ian Rogers8b2c0b92013-09-19 02:56:49 -07001256 method->SetDexMethodIndex(DexFile::kDexNoIndex);
Jeff Hao58df3272013-04-22 15:28:53 -07001257 // When compiling, the code pointer will get set later when the image is loaded.
Jeff Hao0aba0ba2013-06-03 14:49:28 -07001258 method->SetEntryPointFromCompiledCode(r->IsCompiler() ? NULL : GetResolutionTrampoline(cl));
Ian Rogers19846512012-02-24 11:42:47 -08001259 return method.get();
1260}
1261
Brian Carlstromea46f952013-07-30 01:26:50 -07001262mirror::ArtMethod* Runtime::CreateCalleeSaveMethod(InstructionSet instruction_set,
Mathieu Chartier590fee92013-09-13 13:46:47 -07001263 CalleeSaveType type) {
Ian Rogers50b35e22012-10-04 10:09:15 -07001264 Thread* self = Thread::Current();
Mathieu Chartier590fee92013-09-13 13:46:47 -07001265 Runtime* r = Runtime::Current();
1266 ClassLinker* cl = r->GetClassLinker();
1267 SirtRef<mirror::ArtMethod> method(self, cl->AllocArtMethod(self));
1268 method->SetDeclaringClass(mirror::ArtMethod::GetJavaLangReflectArtMethod());
Ian Rogers6d4d9fc2011-11-30 16:24:48 -08001269 // TODO: use a special method for callee saves
Ian Rogers8b2c0b92013-09-19 02:56:49 -07001270 method->SetDexMethodIndex(DexFile::kDexNoIndex);
Jeff Haoaa4a7932013-05-13 11:28:27 -07001271 method->SetEntryPointFromCompiledCode(NULL);
Brian Carlstromae826982011-11-09 01:33:42 -08001272 if ((instruction_set == kThumb2) || (instruction_set == kArm)) {
Ian Rogers4f0d07c2011-10-06 23:38:47 -07001273 uint32_t ref_spills = (1 << art::arm::R5) | (1 << art::arm::R6) | (1 << art::arm::R7) |
1274 (1 << art::arm::R8) | (1 << art::arm::R10) | (1 << art::arm::R11);
1275 uint32_t arg_spills = (1 << art::arm::R1) | (1 << art::arm::R2) | (1 << art::arm::R3);
1276 uint32_t all_spills = (1 << art::arm::R4) | (1 << art::arm::R9);
jeffhaofa147e22012-10-12 17:03:32 -07001277 uint32_t core_spills = ref_spills | (type == kRefsAndArgs ? arg_spills : 0) |
1278 (type == kSaveAll ? all_spills : 0) | (1 << art::arm::LR);
Ian Rogers4f0d07c2011-10-06 23:38:47 -07001279 uint32_t fp_all_spills = (1 << art::arm::S0) | (1 << art::arm::S1) | (1 << art::arm::S2) |
1280 (1 << art::arm::S3) | (1 << art::arm::S4) | (1 << art::arm::S5) |
1281 (1 << art::arm::S6) | (1 << art::arm::S7) | (1 << art::arm::S8) |
1282 (1 << art::arm::S9) | (1 << art::arm::S10) | (1 << art::arm::S11) |
1283 (1 << art::arm::S12) | (1 << art::arm::S13) | (1 << art::arm::S14) |
1284 (1 << art::arm::S15) | (1 << art::arm::S16) | (1 << art::arm::S17) |
1285 (1 << art::arm::S18) | (1 << art::arm::S19) | (1 << art::arm::S20) |
1286 (1 << art::arm::S21) | (1 << art::arm::S22) | (1 << art::arm::S23) |
1287 (1 << art::arm::S24) | (1 << art::arm::S25) | (1 << art::arm::S26) |
1288 (1 << art::arm::S27) | (1 << art::arm::S28) | (1 << art::arm::S29) |
1289 (1 << art::arm::S30) | (1 << art::arm::S31);
1290 uint32_t fp_spills = type == kSaveAll ? fp_all_spills : 0;
1291 size_t frame_size = RoundUp((__builtin_popcount(core_spills) /* gprs */ +
1292 __builtin_popcount(fp_spills) /* fprs */ +
1293 1 /* Method* */) * kPointerSize, kStackAlignment);
Ian Rogers15fdb8c2011-09-25 15:45:07 -07001294 method->SetFrameSizeInBytes(frame_size);
Ian Rogers4f0d07c2011-10-06 23:38:47 -07001295 method->SetCoreSpillMask(core_spills);
1296 method->SetFpSpillMask(fp_spills);
jeffhao7fbee072012-08-24 17:56:54 -07001297 } else if (instruction_set == kMips) {
1298 uint32_t ref_spills = (1 << art::mips::S2) | (1 << art::mips::S3) | (1 << art::mips::S4) |
1299 (1 << art::mips::S5) | (1 << art::mips::S6) | (1 << art::mips::S7) |
Jeff Hao1f3bc2f2013-04-30 15:17:19 -07001300 (1 << art::mips::GP) | (1 << art::mips::FP);
jeffhao7fbee072012-08-24 17:56:54 -07001301 uint32_t arg_spills = (1 << art::mips::A1) | (1 << art::mips::A2) | (1 << art::mips::A3);
jeffhaofa147e22012-10-12 17:03:32 -07001302 uint32_t all_spills = (1 << art::mips::S0) | (1 << art::mips::S1);
jeffhao7fbee072012-08-24 17:56:54 -07001303 uint32_t core_spills = ref_spills | (type == kRefsAndArgs ? arg_spills : 0) |
jeffhaofa147e22012-10-12 17:03:32 -07001304 (type == kSaveAll ? all_spills : 0) | (1 << art::mips::RA);
jeffhao7fbee072012-08-24 17:56:54 -07001305 size_t frame_size = RoundUp((__builtin_popcount(core_spills) /* gprs */ +
Jeff Hao1f3bc2f2013-04-30 15:17:19 -07001306 (type == kRefsAndArgs ? 0 : 3) + 1 /* Method* */) *
1307 kPointerSize, kStackAlignment);
jeffhao7fbee072012-08-24 17:56:54 -07001308 method->SetFrameSizeInBytes(frame_size);
1309 method->SetCoreSpillMask(core_spills);
jeffhao07030602012-09-26 14:33:14 -07001310 method->SetFpSpillMask(0);
Brian Carlstromae826982011-11-09 01:33:42 -08001311 } else if (instruction_set == kX86) {
Ian Rogers7caad772012-03-30 01:07:54 -07001312 uint32_t ref_spills = (1 << art::x86::EBP) | (1 << art::x86::ESI) | (1 << art::x86::EDI);
1313 uint32_t arg_spills = (1 << art::x86::ECX) | (1 << art::x86::EDX) | (1 << art::x86::EBX);
1314 uint32_t core_spills = ref_spills | (type == kRefsAndArgs ? arg_spills : 0) |
1315 (1 << art::x86::kNumberOfCpuRegisters); // fake return address callee save
1316 size_t frame_size = RoundUp((__builtin_popcount(core_spills) /* gprs */ +
1317 1 /* Method* */) * kPointerSize, kStackAlignment);
1318 method->SetFrameSizeInBytes(frame_size);
1319 method->SetCoreSpillMask(core_spills);
Ian Rogersff1ed472011-09-20 13:46:24 -07001320 method->SetFpSpillMask(0);
1321 } else {
1322 UNIMPLEMENTED(FATAL);
1323 }
Brian Carlstrom40381fb2011-10-19 14:13:40 -07001324 return method.get();
Ian Rogersff1ed472011-09-20 13:46:24 -07001325}
1326
Mathieu Chartierc11d9b82013-09-19 10:01:59 -07001327void Runtime::DisallowNewSystemWeaks() {
1328 monitor_list_->DisallowNewMonitors();
1329 intern_table_->DisallowNewInterns();
1330 java_vm_->DisallowNewWeakGlobals();
1331}
1332
1333void Runtime::AllowNewSystemWeaks() {
1334 monitor_list_->AllowNewMonitors();
1335 intern_table_->AllowNewInterns();
1336 java_vm_->AllowNewWeakGlobals();
1337}
1338
Brian Carlstromea46f952013-07-30 01:26:50 -07001339void Runtime::SetCalleeSaveMethod(mirror::ArtMethod* method, CalleeSaveType type) {
Ian Rogers4f0d07c2011-10-06 23:38:47 -07001340 DCHECK_LT(static_cast<int>(type), static_cast<int>(kLastCalleeSaveType));
Elliott Hughes225f5a12012-06-11 11:23:48 -07001341 callee_save_methods_[type] = method;
Brian Carlstrome24fa612011-09-29 00:53:55 -07001342}
1343
Ian Rogers00f7d0e2012-07-19 15:28:27 -07001344const std::vector<const DexFile*>& Runtime::GetCompileTimeClassPath(jobject class_loader) {
Elliott Hughesb3bd5f02012-03-08 21:05:27 -08001345 if (class_loader == NULL) {
1346 return GetClassLinker()->GetBootClassPath();
1347 }
1348 CHECK(UseCompileTimeClassPath());
1349 CompileTimeClassPaths::const_iterator it = compile_time_class_paths_.find(class_loader);
1350 CHECK(it != compile_time_class_paths_.end());
1351 return it->second;
1352}
1353
Ian Rogers00f7d0e2012-07-19 15:28:27 -07001354void Runtime::SetCompileTimeClassPath(jobject class_loader, std::vector<const DexFile*>& class_path) {
Elliott Hughesb3bd5f02012-03-08 21:05:27 -08001355 CHECK(!IsStarted());
1356 use_compile_time_class_path_ = true;
Elliott Hughesa0e18062012-04-13 15:59:59 -07001357 compile_time_class_paths_.Put(class_loader, class_path);
Elliott Hughesb3bd5f02012-03-08 21:05:27 -08001358}
1359
Carl Shapiro1fb86202011-06-27 17:43:13 -07001360} // namespace art