reference_table.cc revision ef7d42fca18c16fbaf103822ad16f23246e2905d
111e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes/* 211e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes * Copyright (C) 2008 The Android Open Source Project 311e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes * 411e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes * Licensed under the Apache License, Version 2.0 (the "License"); 511e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes * you may not use this file except in compliance with the License. 611e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes * You may obtain a copy of the License at 711e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes * 811e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes * http://www.apache.org/licenses/LICENSE-2.0 911e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes * 1011e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes * Unless required by applicable law or agreed to in writing, software 1111e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes * distributed under the License is distributed on an "AS IS" BASIS, 1211e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1311e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes * See the License for the specific language governing permissions and 1411e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes * limitations under the License. 1511e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes */ 1611e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes 1711e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes#include "reference_table.h" 1811e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes 1976b6167407c2b6f5d40ad895b2793a6b037f54b2Elliott Hughes#include "base/mutex.h" 206c1a394b47c85c8d1723fc3b156a3b1b0b29a757Elliott Hughes#include "indirect_reference_table.h" 212dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers#include "mirror/array.h" 222dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers#include "mirror/array-inl.h" 232dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers#include "mirror/class.h" 242dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers#include "mirror/class-inl.h" 252dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers#include "mirror/object-inl.h" 262dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers#include "mirror/string.h" 272dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers#include "thread.h" 282dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers#include "utils.h" 2911e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes 3011e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughesnamespace art { 3111e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes 32bb1e8f0a07c12a8b0a2dd3cab6a1a7e825a54c6fElliott HughesReferenceTable::ReferenceTable(const char* name, size_t initial_size, size_t max_size) 33bb1e8f0a07c12a8b0a2dd3cab6a1a7e825a54c6fElliott Hughes : name_(name), max_size_(max_size) { 3411e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes CHECK_LE(initial_size, max_size); 3511e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes entries_.reserve(initial_size); 3611e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes} 3711e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes 38c1674ed06662420213441ff2b818f2f71f9098dcElliott HughesReferenceTable::~ReferenceTable() { 39c1674ed06662420213441ff2b818f2f71f9098dcElliott Hughes} 40c1674ed06662420213441ff2b818f2f71f9098dcElliott Hughes 41423d2a3dcbb260b020efb5da59f784c9f02accbfMathieu Chartiervoid ReferenceTable::Add(mirror::Object* obj) { 4211e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes DCHECK(obj != NULL); 43423d2a3dcbb260b020efb5da59f784c9f02accbfMathieu Chartier if (entries_.size() >= max_size_) { 4411e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes LOG(FATAL) << "ReferenceTable '" << name_ << "' " 4511e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes << "overflowed (" << max_size_ << " entries)"; 4611e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes } 4711e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes entries_.push_back(obj); 4811e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes} 4911e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes 50423d2a3dcbb260b020efb5da59f784c9f02accbfMathieu Chartiervoid ReferenceTable::Remove(mirror::Object* obj) { 5111e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes // We iterate backwards on the assumption that references are LIFO. 5211e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes for (int i = entries_.size() - 1; i >= 0; --i) { 5311e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes if (entries_[i] == obj) { 5411e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes entries_.erase(entries_.begin() + i); 5511e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes return; 5611e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes } 5711e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes } 5811e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes} 5911e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes 605b1982d2b41ab7a664fb04117539f29eadafa773Carl Shapiro// If "obj" is an array, return the number of elements in the array. 615b1982d2b41ab7a664fb04117539f29eadafa773Carl Shapiro// Otherwise, return zero. 62ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogersstatic size_t GetElementCount(mirror::Object* obj) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 63b63ec393a5c4ba2be1d34dd871cda811eaa803c7Brian Carlstrom if (obj == NULL || obj == kClearedJniWeakGlobal || !obj->IsArrayInstance()) { 6411e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes return 0; 6511e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes } 6611e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes return obj->AsArray()->GetLength(); 6711e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes} 6811e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes 6911e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughesstruct ObjectComparator { 70ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers bool operator()(mirror::Object* obj1, mirror::Object* obj2) 7100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // TODO: enable analysis when analysis can work with the STL. 7200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers NO_THREAD_SAFETY_ANALYSIS { 7381d425b0b232962441616f8b14f73620bffef5e5Ian Rogers Locks::mutator_lock_->AssertSharedHeld(Thread::Current()); 7411e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes // Ensure null references and cleared jweaks appear at the end. 7511e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes if (obj1 == NULL) { 7611e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes return true; 7711e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes } else if (obj2 == NULL) { 7811e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes return false; 7911e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes } 8011e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes if (obj1 == kClearedJniWeakGlobal) { 8111e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes return true; 8211e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes } else if (obj2 == kClearedJniWeakGlobal) { 8311e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes return false; 8411e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes } 8511e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes 8611e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes // Sort by class... 8711e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes if (obj1->GetClass() != obj2->GetClass()) { 8800f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers return obj1->GetClass()->IdentityHashCode() < obj2->IdentityHashCode(); 8911e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes } else { 9011e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes // ...then by size... 9111e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes size_t count1 = obj1->SizeOf(); 9211e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes size_t count2 = obj2->SizeOf(); 9311e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes if (count1 != count2) { 9411e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes return count1 < count2; 9511e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes } else { 9600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // ...and finally by identity hash code. 9700f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers return obj1->IdentityHashCode() < obj2->IdentityHashCode(); 9811e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes } 9911e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes } 10011e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes } 10111e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes}; 10211e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes 1035b1982d2b41ab7a664fb04117539f29eadafa773Carl Shapiro// Log an object with some additional info. 1045b1982d2b41ab7a664fb04117539f29eadafa773Carl Shapiro// 1055b1982d2b41ab7a664fb04117539f29eadafa773Carl Shapiro// Pass in the number of elements in the array (or 0 if this is not an 1065b1982d2b41ab7a664fb04117539f29eadafa773Carl Shapiro// array object), and the number of additional objects that are identical 1075b1982d2b41ab7a664fb04117539f29eadafa773Carl Shapiro// or equivalent to the original. 108ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogersstatic void DumpSummaryLine(std::ostream& os, mirror::Object* obj, size_t element_count, 10900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers int identical, int equiv) 110b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 11111e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes if (obj == NULL) { 11273e66f73f5093b64f2b023ebbb85916a13d5c937Elliott Hughes os << " NULL reference (count=" << equiv << ")\n"; 11311e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes return; 11411e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes } 11511e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes if (obj == kClearedJniWeakGlobal) { 11673e66f73f5093b64f2b023ebbb85916a13d5c937Elliott Hughes os << " cleared jweak (count=" << equiv << ")\n"; 11711e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes return; 11811e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes } 11911e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes 12054e7df1896a4066cbb9fe6f72249829f0b8c49c6Elliott Hughes std::string className(PrettyTypeOf(obj)); 12111e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes if (obj->IsClass()) { 12211e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes // We're summarizing multiple instances, so using the exemplar 12311e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes // Class' type parameter here would be misleading. 12411e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes className = "java.lang.Class"; 12511e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes } 12673e66f73f5093b64f2b023ebbb85916a13d5c937Elliott Hughes if (element_count != 0) { 12773e66f73f5093b64f2b023ebbb85916a13d5c937Elliott Hughes StringAppendF(&className, " (%zd elements)", element_count); 12811e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes } 12911e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes 13011e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes size_t total = identical + equiv + 1; 131215f3144be114ac27002059330d903bf1ff5a592Elliott Hughes std::string msg(StringPrintf("%5zd of %s", total, className.c_str())); 13211e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes if (identical + equiv != 0) { 13311e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes StringAppendF(&msg, " (%d unique instances)", equiv + 1); 13411e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes } 13573e66f73f5093b64f2b023ebbb85916a13d5c937Elliott Hughes os << " " << msg << "\n"; 13611e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes} 13711e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes 13811e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughessize_t ReferenceTable::Size() const { 13911e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes return entries_.size(); 14011e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes} 14111e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes 14273e66f73f5093b64f2b023ebbb85916a13d5c937Elliott Hughesvoid ReferenceTable::Dump(std::ostream& os) const { 14373e66f73f5093b64f2b023ebbb85916a13d5c937Elliott Hughes os << name_ << " reference table dump:\n"; 14473e66f73f5093b64f2b023ebbb85916a13d5c937Elliott Hughes Dump(os, entries_); 1456c1a394b47c85c8d1723fc3b156a3b1b0b29a757Elliott Hughes} 14611e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes 14773e66f73f5093b64f2b023ebbb85916a13d5c937Elliott Hughesvoid ReferenceTable::Dump(std::ostream& os, const Table& entries) { 1486c1a394b47c85c8d1723fc3b156a3b1b0b29a757Elliott Hughes if (entries.empty()) { 14973e66f73f5093b64f2b023ebbb85916a13d5c937Elliott Hughes os << " (empty)\n"; 15011e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes return; 15111e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes } 15211e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes 15311e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes // Dump the most recent N entries. 15411e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes const size_t kLast = 10; 1556c1a394b47c85c8d1723fc3b156a3b1b0b29a757Elliott Hughes size_t count = entries.size(); 15611e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes int first = count - kLast; 15711e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes if (first < 0) { 15811e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes first = 0; 15911e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes } 16073e66f73f5093b64f2b023ebbb85916a13d5c937Elliott Hughes os << " Last " << (count - first) << " entries (of " << count << "):\n"; 16111e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes for (int idx = count - 1; idx >= first; --idx) { 162ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers mirror::Object* ref = entries[idx]; 16311e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes if (ref == NULL) { 16411e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes continue; 16511e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes } 16611e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes if (ref == kClearedJniWeakGlobal) { 16773e66f73f5093b64f2b023ebbb85916a13d5c937Elliott Hughes os << StringPrintf(" %5d: cleared jweak\n", idx); 16811e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes continue; 16911e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes } 17011e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes if (ref->GetClass() == NULL) { 17111e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes // should only be possible right after a plain dvmMalloc(). 17211e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes size_t size = ref->SizeOf(); 17373e66f73f5093b64f2b023ebbb85916a13d5c937Elliott Hughes os << StringPrintf(" %5d: %p (raw) (%zd bytes)\n", idx, ref, size); 17411e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes continue; 17511e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes } 17611e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes 17754e7df1896a4066cbb9fe6f72249829f0b8c49c6Elliott Hughes std::string className(PrettyTypeOf(ref)); 17811e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes 17911e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes std::string extras; 18073e66f73f5093b64f2b023ebbb85916a13d5c937Elliott Hughes size_t element_count = GetElementCount(ref); 18173e66f73f5093b64f2b023ebbb85916a13d5c937Elliott Hughes if (element_count != 0) { 18273e66f73f5093b64f2b023ebbb85916a13d5c937Elliott Hughes StringAppendF(&extras, " (%zd elements)", element_count); 18373e66f73f5093b64f2b023ebbb85916a13d5c937Elliott Hughes } else if (ref->GetClass()->IsStringClass()) { 1842dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::String* s = const_cast<mirror::Object*>(ref)->AsString(); 18573e66f73f5093b64f2b023ebbb85916a13d5c937Elliott Hughes std::string utf8(s->ToModifiedUtf8()); 18673e66f73f5093b64f2b023ebbb85916a13d5c937Elliott Hughes if (s->GetLength() <= 16) { 18773e66f73f5093b64f2b023ebbb85916a13d5c937Elliott Hughes StringAppendF(&extras, " \"%s\"", utf8.c_str()); 18811e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes } else { 18973e66f73f5093b64f2b023ebbb85916a13d5c937Elliott Hughes StringAppendF(&extras, " \"%.16s... (%d chars)", utf8.c_str(), s->GetLength()); 19011e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes } 19111e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes } 19273e66f73f5093b64f2b023ebbb85916a13d5c937Elliott Hughes os << StringPrintf(" %5d: ", idx) << ref << " " << className << extras << "\n"; 19311e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes } 19411e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes 19511e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes // Make a copy of the table and sort it. 196410c0c876f326e14c176a39ba21fc4dd3f7db8abElliott Hughes Table sorted_entries(entries.begin(), entries.end()); 19711e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes std::sort(sorted_entries.begin(), sorted_entries.end(), ObjectComparator()); 19811e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes 19911e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes // Remove any uninteresting stuff from the list. The sort moved them all to the end. 20011e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes while (!sorted_entries.empty() && sorted_entries.back() == NULL) { 20111e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes sorted_entries.pop_back(); 20211e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes } 20311e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes while (!sorted_entries.empty() && sorted_entries.back() == kClearedJniWeakGlobal) { 20411e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes sorted_entries.pop_back(); 20511e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes } 20611e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes if (sorted_entries.empty()) { 20711e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes return; 20811e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes } 20911e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes 21011e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes // Dump a summary of the whole table. 21173e66f73f5093b64f2b023ebbb85916a13d5c937Elliott Hughes os << " Summary:\n"; 21211e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes size_t equiv = 0; 21311e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes size_t identical = 0; 21411e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes for (size_t idx = 1; idx < count; idx++) { 215ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers mirror::Object* prev = sorted_entries[idx-1]; 216ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers mirror::Object* current = sorted_entries[idx]; 21773e66f73f5093b64f2b023ebbb85916a13d5c937Elliott Hughes size_t element_count = GetElementCount(prev); 21811e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes if (current == prev) { 21911e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes // Same reference, added more than once. 22011e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes identical++; 22173e66f73f5093b64f2b023ebbb85916a13d5c937Elliott Hughes } else if (current->GetClass() == prev->GetClass() && GetElementCount(current) == element_count) { 22211e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes // Same class / element count, different object. 22311e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes equiv++; 22411e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes } else { 22511e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes // Different class. 22673e66f73f5093b64f2b023ebbb85916a13d5c937Elliott Hughes DumpSummaryLine(os, prev, element_count, identical, equiv); 22711e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes equiv = identical = 0; 22811e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes } 22911e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes } 23011e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes // Handle the last entry. 23173e66f73f5093b64f2b023ebbb85916a13d5c937Elliott Hughes DumpSummaryLine(os, sorted_entries.back(), GetElementCount(sorted_entries.back()), identical, equiv); 23211e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes} 23311e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes 2342dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogersvoid ReferenceTable::VisitRoots(RootVisitor* visitor, void* arg) { 235423d2a3dcbb260b020efb5da59f784c9f02accbfMathieu Chartier for (auto& ref : entries_) { 236590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier ref = visitor(ref, arg); 237410c0c876f326e14c176a39ba21fc4dd3f7db8abElliott Hughes } 238410c0c876f326e14c176a39ba21fc4dd3f7db8abElliott Hughes} 239410c0c876f326e14c176a39ba21fc4dd3f7db8abElliott Hughes 24011e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes} // namespace art 241