author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 11 May 2010 17:13:44 +0300 | |
branch | RCL_3 |
changeset 70 | 8bfb9186a8b8 |
parent 13 | 10e98eab6f85 |
child 92 | e1bea15f9a39 |
permissions | -rw-r--r-- |
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// -*- mode: c++; c-basic-offset: 4 -*- |
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/* |
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* This file is part of the KDE libraries |
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* Copyright (C) 2003, 2004, 2005, 2006, 2007 Apple Inc. All rights reserved. |
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* |
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* This library is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2 of the License, or (at your option) any later version. |
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* |
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* This library is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with this library; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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* |
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*/ |
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#include "config.h" |
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#include "collector.h" |
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#include "internal.h" |
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#include "list.h" |
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#include "value.h" |
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#include <algorithm> |
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#include <setjmp.h> |
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#include <stdlib.h> |
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#include <wtf/FastMalloc.h> |
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#include <wtf/HashCountedSet.h> |
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#include <wtf/UnusedParam.h> |
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#if USE(MULTIPLE_THREADS) |
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#include <pthread.h> |
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#endif |
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#if PLATFORM(DARWIN) |
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#include <mach/mach_port.h> |
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#include <mach/mach_init.h> |
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#include <mach/task.h> |
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#include <mach/thread_act.h> |
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#include <mach/vm_map.h> |
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#include "CollectorHeapIntrospector.h" |
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#elif PLATFORM(WIN_OS) |
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#include <windows.h> |
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#elif PLATFORM(UNIX) |
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#include <stdlib.h> |
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#include <sys/mman.h> |
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#include <unistd.h> |
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#if HAVE(PTHREAD_NP_H) |
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#include <pthread_np.h> |
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#else |
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#include <pthread.h> |
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#endif |
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#elif PLATFORM(SYMBIAN) |
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#include <e32std.h> |
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#include <e32cmn.h> |
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#endif |
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#define DEBUG_COLLECTOR 0 |
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using std::max; |
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namespace KJS { |
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// tunable parameters |
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const size_t SPARE_EMPTY_BLOCKS = 2; |
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const size_t MIN_ARRAY_SIZE = 14; |
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const size_t GROWTH_FACTOR = 2; |
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const size_t LOW_WATER_FACTOR = 4; |
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const size_t ALLOCATIONS_PER_COLLECTION = 4000; |
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enum OperationInProgress { NoOperation, Allocation, Collection }; |
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//forward declaration |
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static void freeBlock(CollectorBlock* block); |
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struct CollectorHeap { |
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CollectorBlock** blocks; |
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size_t numBlocks; |
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size_t usedBlocks; |
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size_t firstBlockWithPossibleSpace; |
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size_t numLiveObjects; |
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size_t numLiveObjectsAtLastCollect; |
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size_t extraCost; |
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OperationInProgress operationInProgress; |
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~CollectorHeap() { |
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for(int i=0; i<usedBlocks; ++i) { |
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freeBlock(blocks[i]); |
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} |
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fastFree(blocks); |
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} |
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}; |
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static CollectorHeap heap = { 0, 0, 0, 0, 0, 0, 0, NoOperation }; |
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110 |
|
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// FIXME: I don't think this needs to be a static data member of the Collector class. |
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// Just a private global like "heap" above would be fine. |
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size_t Collector::mainThreadOnlyObjectCount = 0; |
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114 |
|
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bool Collector::memoryFull = false; |
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116 |
|
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#if PLATFORM(SYMBIAN) |
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unsigned int Collector::CallStackGrowthThresh = 0; |
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Vector<JSCell *> Collector::recursivelyOrphanedMarkTops; |
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#endif // PLATFORM(SYMBIAN) |
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121 |
|
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static CollectorBlock* allocateBlock() |
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123 |
{ |
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#if PLATFORM(SYMBIAN) |
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// no memory map in symbian, need to hack with fastMalloc |
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void* address = fastMalloc(BLOCK_SIZE); |
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memset(reinterpret_cast<void*>(address), 0, BLOCK_SIZE); |
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128 |
#else |
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#if PLATFORM(DARWIN) |
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vm_address_t address = 0; |
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vm_map(current_task(), &address, BLOCK_SIZE, BLOCK_OFFSET_MASK, VM_FLAGS_ANYWHERE, MEMORY_OBJECT_NULL, 0, FALSE, VM_PROT_DEFAULT, VM_PROT_DEFAULT, VM_INHERIT_DEFAULT); |
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#elif PLATFORM(WIN_OS) |
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// windows virtual address granularity is naturally 64k |
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LPVOID address = VirtualAlloc(NULL, BLOCK_SIZE, MEM_COMMIT | MEM_RESERVE, PAGE_READWRITE); |
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#elif HAVE(POSIX_MEMALIGN) |
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void* address; |
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posix_memalign(&address, BLOCK_SIZE, BLOCK_SIZE); |
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memset(address, 0, BLOCK_SIZE); |
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#else |
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static size_t pagesize = getpagesize(); |
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141 |
|
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size_t extra = 0; |
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if (BLOCK_SIZE > pagesize) |
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extra = BLOCK_SIZE - pagesize; |
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145 |
|
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void* mmapResult = mmap(NULL, BLOCK_SIZE + extra, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANON, -1, 0); |
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uintptr_t address = reinterpret_cast<uintptr_t>(mmapResult); |
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148 |
|
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size_t adjust = 0; |
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if ((address & BLOCK_OFFSET_MASK) != 0) |
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adjust = BLOCK_SIZE - (address & BLOCK_OFFSET_MASK); |
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152 |
|
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if (adjust > 0) |
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munmap(reinterpret_cast<void*>(address), adjust); |
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155 |
|
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if (adjust < extra) |
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munmap(reinterpret_cast<void*>(address + adjust + BLOCK_SIZE), extra - adjust); |
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158 |
|
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address += adjust; |
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memset(reinterpret_cast<void*>(address), 0, BLOCK_SIZE); |
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#endif |
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#endif // PLATFORM(SYMBIAN) |
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return reinterpret_cast<CollectorBlock*>(address); |
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} |
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165 |
|
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static void freeBlock(CollectorBlock* block) |
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167 |
{ |
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#if PLATFORM(SYMBIAN) |
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fastFree(block); |
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#else |
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#if PLATFORM(DARWIN) |
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vm_deallocate(current_task(), reinterpret_cast<vm_address_t>(block), BLOCK_SIZE); |
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#elif PLATFORM(WIN_OS) |
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VirtualFree(block, BLOCK_SIZE, MEM_RELEASE); |
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#elif HAVE(POSIX_MEMALIGN) |
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free(block); |
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177 |
#else |
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munmap(block, BLOCK_SIZE); |
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#endif |
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#endif |
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181 |
} |
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182 |
|
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void Collector::recordExtraCost(size_t cost) |
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184 |
{ |
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// Our frequency of garbage collection tries to balance memory use against speed |
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// by collecting based on the number of newly created values. However, for values |
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// that hold on to a great deal of memory that's not in the form of other JS values, |
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// that is not good enough - in some cases a lot of those objects can pile up and |
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// use crazy amounts of memory without a GC happening. So we track these extra |
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// memory costs. Only unusually large objects are noted, and we only keep track |
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// of this extra cost until the next GC. In garbage collected languages, most values |
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// are either very short lived temporaries, or have extremely long lifetimes. So |
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// if a large value survives one garbage collection, there is not much point to |
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// collecting more frequently as long as it stays alive. |
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195 |
|
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heap.extraCost += cost; |
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197 |
} |
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|
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void* Collector::allocate(size_t s) |
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{ |
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ASSERT(JSLock::lockCount() > 0); |
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ASSERT(JSLock::currentThreadIsHoldingLock()); |
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ASSERT(s <= CELL_SIZE); |
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UNUSED_PARAM(s); // s is now only used for the above assert |
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205 |
|
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ASSERT(heap.operationInProgress == NoOperation); |
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// FIXME: If another global variable access here doesn't hurt performance |
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// too much, we could abort() in NDEBUG builds, which could help ensure we |
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// don't spend any time debugging cases where we allocate inside an object's |
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// deallocation code. |
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211 |
|
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// collect if needed |
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size_t numLiveObjects = heap.numLiveObjects; |
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size_t numLiveObjectsAtLastCollect = heap.numLiveObjectsAtLastCollect; |
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215 |
size_t numNewObjects = numLiveObjects - numLiveObjectsAtLastCollect; |
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216 |
size_t newCost = numNewObjects + heap.extraCost; |
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|
217 |
|
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218 |
if (newCost >= ALLOCATIONS_PER_COLLECTION && newCost >= numLiveObjectsAtLastCollect) { |
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|
219 |
collect(); |
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numLiveObjects = heap.numLiveObjects; |
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221 |
} |
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222 |
|
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223 |
ASSERT(heap.operationInProgress == NoOperation); |
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|
224 |
#ifndef NDEBUG |
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// FIXME: Consider doing this in NDEBUG builds too (see comment above). |
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226 |
heap.operationInProgress = Allocation; |
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227 |
#endif |
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|
228 |
|
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229 |
// slab allocator |
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230 |
|
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231 |
size_t usedBlocks = heap.usedBlocks; |
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|
232 |
|
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size_t i = heap.firstBlockWithPossibleSpace; |
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234 |
CollectorBlock *targetBlock; |
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235 |
size_t targetBlockUsedCells; |
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|
236 |
if (i != usedBlocks) { |
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|
237 |
targetBlock = heap.blocks[i]; |
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238 |
targetBlockUsedCells = targetBlock->usedCells; |
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239 |
ASSERT(targetBlockUsedCells <= CELLS_PER_BLOCK); |
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240 |
while (targetBlockUsedCells == CELLS_PER_BLOCK) { |
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|
241 |
if (++i == usedBlocks) |
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242 |
goto allocateNewBlock; |
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|
243 |
targetBlock = heap.blocks[i]; |
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244 |
targetBlockUsedCells = targetBlock->usedCells; |
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|
245 |
ASSERT(targetBlockUsedCells <= CELLS_PER_BLOCK); |
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|
246 |
} |
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|
247 |
heap.firstBlockWithPossibleSpace = i; |
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248 |
} else { |
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|
249 |
allocateNewBlock: |
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|
250 |
// didn't find one, need to allocate a new block |
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|
251 |
size_t numBlocks = heap.numBlocks; |
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|
252 |
if (usedBlocks == numBlocks) { |
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|
253 |
numBlocks = max(MIN_ARRAY_SIZE, numBlocks * GROWTH_FACTOR); |
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|
254 |
heap.numBlocks = numBlocks; |
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255 |
heap.blocks = static_cast<CollectorBlock **>(fastRealloc(heap.blocks, numBlocks * sizeof(CollectorBlock *))); |
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256 |
} |
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|
257 |
|
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258 |
targetBlock = allocateBlock(); |
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|
259 |
targetBlock->freeList = targetBlock->cells; |
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|
260 |
targetBlockUsedCells = 0; |
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|
261 |
heap.blocks[usedBlocks] = targetBlock; |
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|
262 |
heap.usedBlocks = usedBlocks + 1; |
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|
263 |
heap.firstBlockWithPossibleSpace = usedBlocks; |
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|
264 |
} |
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|
265 |
|
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|
266 |
// find a free spot in the block and detach it from the free list |
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|
267 |
CollectorCell *newCell = targetBlock->freeList; |
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|
268 |
|
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|
269 |
// "next" field is a byte offset -- 0 means next cell, so a zeroed block is already initialized |
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|
270 |
// could avoid the casts by using a cell offset, but this avoids a relatively-slow multiply |
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|
271 |
targetBlock->freeList = reinterpret_cast<CollectorCell *>(reinterpret_cast<char *>(newCell + 1) + newCell->u.freeCell.next); |
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|
272 |
|
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|
273 |
targetBlock->usedCells = static_cast<uint32_t>(targetBlockUsedCells + 1); |
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|
274 |
heap.numLiveObjects = numLiveObjects + 1; |
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|
275 |
|
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|
276 |
#ifndef NDEBUG |
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|
277 |
// FIXME: Consider doing this in NDEBUG builds too (see comment above). |
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|
278 |
heap.operationInProgress = NoOperation; |
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|
279 |
#endif |
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|
280 |
|
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|
281 |
return newCell; |
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|
282 |
} |
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|
283 |
|
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|
284 |
static inline void* currentThreadStackBase() |
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|
285 |
{ |
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|
286 |
#if PLATFORM(DARWIN) |
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|
287 |
pthread_t thread = pthread_self(); |
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|
288 |
return pthread_get_stackaddr_np(thread); |
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|
289 |
#elif PLATFORM(WIN_OS) && PLATFORM(X86) && COMPILER(MSVC) |
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|
290 |
// offset 0x18 from the FS segment register gives a pointer to |
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|
291 |
// the thread information block for the current thread |
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|
292 |
NT_TIB* pTib; |
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|
293 |
__asm { |
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|
294 |
MOV EAX, FS:[18h] |
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|
295 |
MOV pTib, EAX |
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|
296 |
} |
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|
297 |
return (void*)pTib->StackBase; |
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|
298 |
#elif PLATFORM(WIN_OS) && PLATFORM(X86) && COMPILER(GCC) |
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|
299 |
// offset 0x18 from the FS segment register gives a pointer to |
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|
300 |
// the thread information block for the current thread |
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|
301 |
NT_TIB* pTib; |
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|
302 |
asm ( "movl %%fs:0x18, %0\n" |
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|
303 |
: "=r" (pTib) |
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|
304 |
); |
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|
305 |
return (void*)pTib->StackBase; |
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|
306 |
#elif PLATFORM(UNIX) |
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|
307 |
static void *stackBase = 0; |
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|
308 |
static size_t stackSize = 0; |
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|
309 |
static pthread_t stackThread; |
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|
310 |
pthread_t thread = pthread_self(); |
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|
311 |
if (stackBase == 0 || thread != stackThread) { |
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|
312 |
pthread_attr_t sattr; |
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|
313 |
pthread_attr_init(&sattr); |
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|
314 |
#if HAVE(PTHREAD_NP_H) |
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|
315 |
// e.g. on FreeBSD 5.4, neundorf@kde.org |
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|
316 |
pthread_attr_get_np(thread, &sattr); |
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|
317 |
#else |
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|
318 |
// FIXME: this function is non-portable; other POSIX systems may have different np alternatives |
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|
319 |
pthread_getattr_np(thread, &sattr); |
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|
320 |
#endif |
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|
321 |
int rc = pthread_attr_getstack(&sattr, &stackBase, &stackSize); |
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322 |
(void)rc; // FIXME: deal with error code somehow? seems fatal... |
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323 |
ASSERT(stackBase); |
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324 |
pthread_attr_destroy(&sattr); |
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stackThread = thread; |
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326 |
} |
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327 |
return (void*)(size_t(stackBase) + stackSize); |
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328 |
#elif PLATFORM(SYMBIAN) |
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329 |
static void *stackBase = 0; |
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330 |
if (stackBase == 0) { |
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331 |
TThreadStackInfo info; |
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332 |
RThread thread; |
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333 |
thread.StackInfo(info); |
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334 |
stackBase = (void*)info.iBase; |
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335 |
} |
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336 |
//fixme |
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337 |
return (void*)stackBase; |
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338 |
#else |
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339 |
#error Need a way to get the stack base on this platform |
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340 |
#endif |
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341 |
} |
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342 |
|
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343 |
#if USE(MULTIPLE_THREADS) |
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344 |
static pthread_t mainThread; |
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345 |
#endif |
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346 |
|
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347 |
void Collector::registerAsMainThread() |
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348 |
{ |
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349 |
#if USE(MULTIPLE_THREADS) |
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mainThread = pthread_self(); |
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351 |
#endif |
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352 |
} |
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353 |
|
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354 |
static inline bool onMainThread() |
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355 |
{ |
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356 |
#if PLATFORM(SYMBIAN) |
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357 |
return true; |
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358 |
#else |
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359 |
#if USE(MULTIPLE_THREADS) |
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360 |
#if PLATFORM(DARWIN) |
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361 |
return pthread_main_np(); |
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362 |
#else |
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363 |
return !!pthread_equal(pthread_self(), mainThread); |
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364 |
#endif |
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365 |
#else |
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366 |
return true; |
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367 |
#endif |
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368 |
#endif |
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369 |
} |
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370 |
|
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371 |
#if USE(MULTIPLE_THREADS) |
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372 |
|
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373 |
#if PLATFORM(DARWIN) |
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374 |
typedef mach_port_t PlatformThread; |
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375 |
#elif PLATFORM(WIN_OS) |
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376 |
struct PlatformThread { |
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377 |
PlatformThread(DWORD _id, HANDLE _handle) : id(_id), handle(_handle) {} |
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DWORD id; |
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379 |
HANDLE handle; |
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380 |
}; |
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381 |
#endif |
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382 |
|
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383 |
static inline PlatformThread getCurrentPlatformThread() |
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384 |
{ |
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385 |
#if PLATFORM(DARWIN) |
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386 |
return pthread_mach_thread_np(pthread_self()); |
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387 |
#elif PLATFORM(WIN_OS) |
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388 |
HANDLE threadHandle = pthread_getw32threadhandle_np(pthread_self()); |
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389 |
return PlatformThread(GetCurrentThreadId(), threadHandle); |
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390 |
#endif |
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391 |
} |
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392 |
|
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393 |
class Collector::Thread { |
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394 |
public: |
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395 |
Thread(pthread_t pthread, const PlatformThread& platThread) : posixThread(pthread), platformThread(platThread) {} |
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396 |
Thread* next; |
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397 |
pthread_t posixThread; |
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398 |
PlatformThread platformThread; |
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399 |
}; |
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400 |
|
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401 |
pthread_key_t registeredThreadKey; |
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402 |
pthread_once_t registeredThreadKeyOnce = PTHREAD_ONCE_INIT; |
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403 |
Collector::Thread* registeredThreads; |
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404 |
|
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405 |
static void destroyRegisteredThread(void* data) |
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406 |
{ |
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407 |
Collector::Thread* thread = (Collector::Thread*)data; |
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408 |
|
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409 |
// Can't use JSLock convenience object here because we don't want to re-register |
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410 |
// an exiting thread. |
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411 |
JSLock::lock(); |
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412 |
|
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413 |
if (registeredThreads == thread) { |
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414 |
registeredThreads = registeredThreads->next; |
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415 |
} else { |
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416 |
Collector::Thread *last = registeredThreads; |
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417 |
Collector::Thread *t; |
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418 |
for (t = registeredThreads->next; t != NULL; t = t->next) { |
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419 |
if (t == thread) { |
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420 |
last->next = t->next; |
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421 |
break; |
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422 |
} |
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423 |
last = t; |
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424 |
} |
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425 |
ASSERT(t); // If t is NULL, we never found ourselves in the list. |
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426 |
} |
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|
427 |
|
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428 |
JSLock::unlock(); |
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429 |
|
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430 |
delete thread; |
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431 |
} |
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432 |
|
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changeset
|
433 |
static void initializeRegisteredThreadKey() |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
434 |
{ |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
435 |
pthread_key_create(®isteredThreadKey, destroyRegisteredThread); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
436 |
} |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
437 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
438 |
void Collector::registerThread() |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
439 |
{ |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
440 |
ASSERT(JSLock::lockCount() > 0); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
441 |
ASSERT(JSLock::currentThreadIsHoldingLock()); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
442 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
443 |
pthread_once(®isteredThreadKeyOnce, initializeRegisteredThreadKey); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
444 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
445 |
if (!pthread_getspecific(registeredThreadKey)) { |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
446 |
#if PLATFORM(DARWIN) |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
447 |
if (onMainThread()) |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
448 |
CollectorHeapIntrospector::init(&heap); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
449 |
#endif |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
450 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
451 |
Collector::Thread *thread = new Collector::Thread(pthread_self(), getCurrentPlatformThread()); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
452 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
453 |
thread->next = registeredThreads; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
454 |
registeredThreads = thread; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
455 |
pthread_setspecific(registeredThreadKey, thread); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
456 |
} |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
457 |
} |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
458 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
459 |
#endif |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
460 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
461 |
#define IS_POINTER_ALIGNED(p) (((intptr_t)(p) & (sizeof(char *) - 1)) == 0) |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
462 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
463 |
// cell size needs to be a power of two for this to be valid |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
464 |
#define IS_CELL_ALIGNED(p) (((intptr_t)(p) & CELL_MASK) == 0) |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
465 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
466 |
void Collector::markStackObjectsConservatively(void *start, void *end) |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
467 |
{ |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
468 |
if (start > end) { |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
469 |
void* tmp = start; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
470 |
start = end; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
471 |
end = tmp; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
472 |
} |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
473 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
474 |
ASSERT(((char*)end - (char*)start) < 0x1000000); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
475 |
ASSERT(IS_POINTER_ALIGNED(start)); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
476 |
ASSERT(IS_POINTER_ALIGNED(end)); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
477 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
478 |
char** p = (char**)start; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
479 |
char** e = (char**)end; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
480 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
481 |
size_t usedBlocks = heap.usedBlocks; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
482 |
CollectorBlock **blocks = heap.blocks; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
483 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
484 |
const size_t lastCellOffset = sizeof(CollectorCell) * (CELLS_PER_BLOCK - 1); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
485 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
486 |
while (p != e) { |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
487 |
char* x = *p++; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
488 |
#if PLATFORM(SYMBIAN) |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
489 |
// fixme symbian's default allocator doesn't guarentee 64KB-aligned blocks, |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
490 |
// we have to fall back to slower searching. |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
491 |
if (IS_POINTER_ALIGNED(x) && x) { |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
492 |
for (size_t block = 0; block < usedBlocks; ++block) { |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
493 |
int offset = x - (char*)blocks[block]; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
494 |
if ((offset >= 0) && (offset < BLOCK_SIZE) && (offset%CELL_SIZE == 0)) { |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
495 |
if (((CollectorCell*)x)->u.freeCell.zeroIfFree != 0) { |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
496 |
JSCell* imp = reinterpret_cast<JSCell*>(x); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
497 |
if (!imp->marked()) |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
498 |
imp->mark(); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
499 |
} |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
500 |
break; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
501 |
} |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
502 |
} |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
503 |
} |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
504 |
#else |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
505 |
if (IS_CELL_ALIGNED(x) && x) { |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
506 |
uintptr_t offset = reinterpret_cast<uintptr_t>(x) & BLOCK_OFFSET_MASK; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
507 |
CollectorBlock* blockAddr = reinterpret_cast<CollectorBlock*>(x - offset); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
508 |
for (size_t block = 0; block < usedBlocks; block++) { |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
509 |
if ((blocks[block] == blockAddr) & (offset <= lastCellOffset)) { |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
510 |
if (((CollectorCell*)x)->u.freeCell.zeroIfFree != 0) { |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
511 |
JSCell* imp = reinterpret_cast<JSCell*>(x); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
512 |
if (!imp->marked()) |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
513 |
imp->mark(); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
514 |
} |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
515 |
break; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
516 |
} |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
517 |
} |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
518 |
} |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
519 |
#endif |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
520 |
} |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
521 |
} |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
522 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
523 |
void Collector::markCurrentThreadConservatively() |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
524 |
{ |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
525 |
// setjmp forces volatile registers onto the stack |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
526 |
jmp_buf registers; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
527 |
#if COMPILER(MSVC) |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
528 |
#pragma warning(push) |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
529 |
#pragma warning(disable: 4611) |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
530 |
#endif |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
531 |
setjmp(registers); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
532 |
#if COMPILER(MSVC) |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
533 |
#pragma warning(pop) |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
534 |
#endif |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
535 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
536 |
void* dummy; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
537 |
void* stackPointer = &dummy; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
538 |
void* stackBase = currentThreadStackBase(); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
539 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
540 |
markStackObjectsConservatively(stackPointer, stackBase); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
541 |
} |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
542 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
543 |
#if USE(MULTIPLE_THREADS) |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
544 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
545 |
static inline void suspendThread(const PlatformThread& platformThread) |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
546 |
{ |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
547 |
#if PLATFORM(DARWIN) |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
548 |
thread_suspend(platformThread); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
549 |
#elif PLATFORM(WIN_OS) |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
550 |
SuspendThread(platformThread.handle); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
551 |
#else |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
552 |
#error Need a way to suspend threads on this platform |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
553 |
#endif |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
554 |
} |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
555 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
556 |
static inline void resumeThread(const PlatformThread& platformThread) |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
557 |
{ |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
558 |
#if PLATFORM(DARWIN) |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
559 |
thread_resume(platformThread); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
560 |
#elif PLATFORM(WIN_OS) |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
561 |
ResumeThread(platformThread.handle); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
562 |
#else |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
563 |
#error Need a way to resume threads on this platform |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
564 |
#endif |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
565 |
} |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
566 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
567 |
typedef unsigned long usword_t; // word size, assumed to be either 32 or 64 bit |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
568 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
569 |
#if PLATFORM(DARWIN) |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
570 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
571 |
#if PLATFORM(X86) |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
572 |
typedef i386_thread_state_t PlatformThreadRegisters; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
573 |
#elif PLATFORM(X86_64) |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
574 |
typedef x86_thread_state64_t PlatformThreadRegisters; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
575 |
#elif PLATFORM(PPC) |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
576 |
typedef ppc_thread_state_t PlatformThreadRegisters; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
577 |
#elif PLATFORM(PPC64) |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
578 |
typedef ppc_thread_state64_t PlatformThreadRegisters; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
579 |
#else |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
580 |
#error Unknown Architecture |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
581 |
#endif |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
582 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
583 |
#elif PLATFORM(WIN_OS)&& PLATFORM(X86) |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
584 |
typedef CONTEXT PlatformThreadRegisters; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
585 |
#else |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
586 |
#error Need a thread register struct for this platform |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
587 |
#endif |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
588 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
589 |
size_t getPlatformThreadRegisters(const PlatformThread& platformThread, PlatformThreadRegisters& regs) |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
590 |
{ |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
591 |
#if PLATFORM(DARWIN) |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
592 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
593 |
#if PLATFORM(X86) |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
594 |
unsigned user_count = sizeof(regs)/sizeof(int); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
595 |
thread_state_flavor_t flavor = i386_THREAD_STATE; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
596 |
#elif PLATFORM(X86_64) |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
597 |
unsigned user_count = x86_THREAD_STATE64_COUNT; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
598 |
thread_state_flavor_t flavor = x86_THREAD_STATE64; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
599 |
#elif PLATFORM(PPC) |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
600 |
unsigned user_count = PPC_THREAD_STATE_COUNT; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
601 |
thread_state_flavor_t flavor = PPC_THREAD_STATE; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
602 |
#elif PLATFORM(PPC64) |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
603 |
unsigned user_count = PPC_THREAD_STATE64_COUNT; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
604 |
thread_state_flavor_t flavor = PPC_THREAD_STATE64; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
605 |
#else |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
606 |
#error Unknown Architecture |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
607 |
#endif |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
608 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
609 |
kern_return_t result = thread_get_state(platformThread, flavor, (thread_state_t)®s, &user_count); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
610 |
if (result != KERN_SUCCESS) { |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
611 |
WTFReportFatalError(__FILE__, __LINE__, WTF_PRETTY_FUNCTION, |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
612 |
"JavaScript garbage collection failed because thread_get_state returned an error (%d). This is probably the result of running inside Rosetta, which is not supported.", result); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
613 |
CRASH(); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
614 |
} |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
615 |
return user_count * sizeof(usword_t); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
616 |
// end PLATFORM(DARWIN) |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
617 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
618 |
#elif PLATFORM(WIN_OS) && PLATFORM(X86) |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
619 |
regs.ContextFlags = CONTEXT_INTEGER | CONTEXT_CONTROL | CONTEXT_SEGMENTS; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
620 |
GetThreadContext(platformThread.handle, ®s); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
621 |
return sizeof(CONTEXT); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
622 |
#else |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
623 |
#error Need a way to get thread registers on this platform |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
624 |
#endif |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
625 |
} |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
626 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
627 |
static inline void* otherThreadStackPointer(const PlatformThreadRegisters& regs) |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
628 |
{ |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
629 |
#if PLATFORM(DARWIN) |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
630 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
631 |
#if __DARWIN_UNIX03 |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
632 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
633 |
#if PLATFORM(X86) |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
634 |
return (void*)regs.__esp; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
635 |
#elif PLATFORM(X86_64) |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
636 |
return (void*)regs.__rsp; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
637 |
#elif PLATFORM(PPC) || PLATFORM(PPC64) |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
638 |
return (void*)regs.__r1; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
639 |
#else |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
640 |
#error Unknown Architecture |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
641 |
#endif |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
642 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
643 |
#else // !__DARWIN_UNIX03 |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
644 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
645 |
#if PLATFORM(X86) |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
646 |
return (void*)regs.esp; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
647 |
#elif PLATFORM(X86_64) |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
648 |
return (void*)regs.rsp; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
649 |
#elif (PLATFORM(PPC) || PLATFORM(PPC64)) |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
650 |
return (void*)regs.r1; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
651 |
#else |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
652 |
#error Unknown Architecture |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
653 |
#endif |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
654 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
655 |
#endif // __DARWIN_UNIX03 |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
656 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
657 |
// end PLATFORM(DARWIN) |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
658 |
#elif PLATFORM(X86) && PLATFORM(WIN_OS) |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
659 |
return (void*)(uintptr_t)regs.Esp; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
660 |
#else |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
661 |
#error Need a way to get the stack pointer for another thread on this platform |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
662 |
#endif |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
663 |
} |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
664 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
665 |
static inline void* otherThreadStackBase(const PlatformThreadRegisters& regs, Collector::Thread* thread) |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
666 |
{ |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
667 |
#if PLATFORM(DARWIN) |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
668 |
(void)regs; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
669 |
return pthread_get_stackaddr_np(thread->posixThread); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
670 |
// end PLATFORM(DARWIN); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
671 |
#elif PLATFORM(X86) && PLATFORM(WIN_OS) |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
672 |
LDT_ENTRY desc; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
673 |
NT_TIB* tib; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
674 |
GetThreadSelectorEntry(thread->platformThread.handle, regs.SegFs, &desc); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
675 |
tib = (NT_TIB*)(uintptr_t)(desc.BaseLow | desc.HighWord.Bytes.BaseMid << 16 | desc.HighWord.Bytes.BaseHi << 24); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
676 |
ASSERT(tib == tib->Self); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
677 |
return tib->StackBase; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
678 |
#else |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
679 |
#error Need a way to get the stack pointer for another thread on this platform |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
680 |
#endif |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
681 |
} |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
682 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
683 |
void Collector::markOtherThreadConservatively(Thread* thread) |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
684 |
{ |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
685 |
suspendThread(thread->platformThread); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
686 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
687 |
PlatformThreadRegisters regs; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
688 |
size_t regSize = getPlatformThreadRegisters(thread->platformThread, regs); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
689 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
690 |
// mark the thread's registers |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
691 |
markStackObjectsConservatively((void*)®s, (void*)((char*)®s + regSize)); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
692 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
693 |
void* stackPointer = otherThreadStackPointer(regs); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
694 |
void* stackBase = otherThreadStackBase(regs, thread); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
695 |
markStackObjectsConservatively(stackPointer, stackBase); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
696 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
697 |
resumeThread(thread->platformThread); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
698 |
} |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
699 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
700 |
#endif |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
701 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
702 |
void Collector::markStackObjectsConservatively() |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
703 |
{ |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
704 |
markCurrentThreadConservatively(); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
705 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
706 |
#if USE(MULTIPLE_THREADS) |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
707 |
for (Thread *thread = registeredThreads; thread != NULL; thread = thread->next) { |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
708 |
if (!pthread_equal(thread->posixThread, pthread_self())) { |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
709 |
markOtherThreadConservatively(thread); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
710 |
} |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
711 |
} |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
712 |
#endif |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
713 |
} |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
714 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
715 |
typedef HashCountedSet<JSCell*> ProtectCountSet; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
716 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
717 |
static ProtectCountSet& protectedValues() |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
718 |
{ |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
719 |
static ProtectCountSet staticProtectCountSet; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
720 |
return staticProtectCountSet; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
721 |
} |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
722 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
723 |
EXPORT |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
724 |
void Collector::protect(JSValue *k) |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
725 |
{ |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
726 |
ASSERT(k); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
727 |
ASSERT(JSLock::lockCount() > 0); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
728 |
ASSERT(JSLock::currentThreadIsHoldingLock()); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
729 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
730 |
if (JSImmediate::isImmediate(k)) |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
731 |
return; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
732 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
733 |
protectedValues().add(k->asCell()); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
734 |
} |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
735 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
736 |
EXPORT |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
737 |
void Collector::unprotect(JSValue *k) |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
738 |
{ |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
739 |
ASSERT(k); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
740 |
ASSERT(JSLock::lockCount() > 0); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
741 |
ASSERT(JSLock::currentThreadIsHoldingLock()); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
742 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
743 |
if (JSImmediate::isImmediate(k)) |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
744 |
return; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
745 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
746 |
protectedValues().remove(k->asCell()); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
747 |
} |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
748 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
749 |
EXPORT |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
750 |
void Collector::collectOnMainThreadOnly(JSValue* value) |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
751 |
{ |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
752 |
ASSERT(value); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
753 |
ASSERT(JSLock::lockCount() > 0); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
754 |
ASSERT(JSLock::currentThreadIsHoldingLock()); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
755 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
756 |
if (JSImmediate::isImmediate(value)) |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
757 |
return; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
758 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
759 |
JSCell* cell = value->asCell(); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
760 |
cellBlock(cell)->collectOnMainThreadOnly.set(cellOffset(cell)); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
761 |
++mainThreadOnlyObjectCount; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
762 |
} |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
763 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
764 |
void Collector::markProtectedObjects() |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
765 |
{ |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
766 |
ProtectCountSet& protectedValues = KJS::protectedValues(); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
767 |
ProtectCountSet::iterator end = protectedValues.end(); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
768 |
for (ProtectCountSet::iterator it = protectedValues.begin(); it != end; ++it) { |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
769 |
JSCell *val = it->first; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
770 |
if (!val->marked()) |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
771 |
val->mark(); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
772 |
} |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
773 |
} |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
774 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
775 |
void Collector::markMainThreadOnlyObjects() |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
776 |
{ |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
777 |
#if USE(MULTIPLE_THREADS) |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
778 |
ASSERT(!onMainThread()); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
779 |
#endif |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
780 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
781 |
// Optimization for clients that never register "main thread only" objects. |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
782 |
if (!mainThreadOnlyObjectCount) |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
783 |
return; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
784 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
785 |
// FIXME: We can optimize this marking algorithm by keeping an exact set of |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
786 |
// "main thread only" objects when the "main thread only" object count is |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
787 |
// small. We don't want to keep an exact set all the time, because WebCore |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
788 |
// tends to create lots of "main thread only" objects, and all that set |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
789 |
// thrashing can be expensive. |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
790 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
791 |
size_t count = 0; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
792 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
793 |
for (size_t block = 0; block < heap.usedBlocks; block++) { |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
794 |
ASSERT(count < mainThreadOnlyObjectCount); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
795 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
796 |
CollectorBlock* curBlock = heap.blocks[block]; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
797 |
size_t minimumCellsToProcess = curBlock->usedCells; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
798 |
for (size_t i = 0; (i < minimumCellsToProcess) & (i < CELLS_PER_BLOCK); i++) { |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
799 |
CollectorCell* cell = curBlock->cells + i; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
800 |
if (cell->u.freeCell.zeroIfFree == 0) |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
801 |
++minimumCellsToProcess; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
802 |
else { |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
803 |
if (curBlock->collectOnMainThreadOnly.get(i)) { |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
804 |
if (!curBlock->marked.get(i)) { |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
805 |
JSCell* imp = reinterpret_cast<JSCell*>(cell); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
806 |
imp->mark(); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
807 |
} |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
808 |
if (++count == mainThreadOnlyObjectCount) |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
809 |
return; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
810 |
} |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
811 |
} |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
812 |
} |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
813 |
} |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
814 |
} |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
815 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
816 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
817 |
void Collector::markRecursivelyOrphanedCells() |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
818 |
{ |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
819 |
#if PLATFORM(SYMBIAN) |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
820 |
// mark orphaned-from-recursion items, starting with first |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
821 |
while(!recursivelyOrphanedMarkTops.isEmpty()) |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
822 |
{ |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
823 |
// pop, remove first, continue operating on it |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
824 |
JSCell *val = recursivelyOrphanedMarkTops.first(); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
825 |
recursivelyOrphanedMarkTops.remove(0); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
826 |
if(!val->marked()) |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
827 |
{ |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
828 |
val->mark(); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
829 |
} |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
830 |
} |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
831 |
#endif // PLATFORM(SYMBIAN) |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
832 |
} |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
833 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
834 |
EXPORT |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
835 |
bool Collector::collect() |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
836 |
{ |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
837 |
ASSERT(JSLock::lockCount() > 0); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
838 |
ASSERT(JSLock::currentThreadIsHoldingLock()); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
839 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
840 |
ASSERT(heap.operationInProgress == NoOperation); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
841 |
if (heap.operationInProgress != NoOperation) |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
842 |
abort(); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
843 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
844 |
heap.operationInProgress = Collection; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
845 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
846 |
bool currentThreadIsMainThread = onMainThread(); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
847 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
848 |
// MARK: first mark all referenced objects recursively starting out from the set of root objects |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
849 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
850 |
#ifndef NDEBUG |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
851 |
// Forbid malloc during the mark phase. Marking a thread suspends it, so |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
852 |
// a malloc inside mark() would risk a deadlock with a thread that had been |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
853 |
// suspended while holding the malloc lock. |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
854 |
fastMallocForbid(); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
855 |
#endif |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
856 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
857 |
#if PLATFORM(SYMBIAN) |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
858 |
// clean out/init formally mark items |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
859 |
recursivelyOrphanedMarkTops.clear(); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
860 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
861 |
// Set a thresh based upon callstack expand limit |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
862 |
// 0x1800 shy of a full stack |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
863 |
// for which we'll disallow growth beyond this. |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
864 |
TThreadStackInfo info; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
865 |
RThread thread; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
866 |
thread.StackInfo(info); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
867 |
CallStackGrowthThresh = (unsigned int)info.iExpandLimit + 0x1800; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
868 |
#endif // PLATFORM(SYMBIAN) |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
869 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
870 |
if (Interpreter::s_hook) { |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
871 |
Interpreter* scr = Interpreter::s_hook; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
872 |
do { |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
873 |
scr->mark(); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
874 |
scr = scr->next; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
875 |
} while (scr != Interpreter::s_hook); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
876 |
} |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
877 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
878 |
markStackObjectsConservatively(); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
879 |
markProtectedObjects(); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
880 |
List::markProtectedLists(); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
881 |
#if USE(MULTIPLE_THREADS) |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
882 |
if (!currentThreadIsMainThread) |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
883 |
markMainThreadOnlyObjects(); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
884 |
#endif |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
885 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
886 |
#if PLATFORM(SYMBIAN) |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
887 |
markRecursivelyOrphanedCells(); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
888 |
#endif // PLATFORM(SYMBIAN) |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
889 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
890 |
#ifndef NDEBUG |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
891 |
fastMallocAllow(); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
892 |
#endif |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
893 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
894 |
// SWEEP: delete everything with a zero refcount (garbage) and unmark everything else |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
895 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
896 |
size_t emptyBlocks = 0; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
897 |
size_t numLiveObjects = heap.numLiveObjects; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
898 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
899 |
for (size_t block = 0; block < heap.usedBlocks; block++) { |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
900 |
CollectorBlock *curBlock = heap.blocks[block]; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
901 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
902 |
size_t usedCells = curBlock->usedCells; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
903 |
CollectorCell *freeList = curBlock->freeList; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
904 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
905 |
if (usedCells == CELLS_PER_BLOCK) { |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
906 |
// special case with a block where all cells are used -- testing indicates this happens often |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
907 |
for (size_t i = 0; i < CELLS_PER_BLOCK; i++) { |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
908 |
if (!curBlock->marked.get(i)) { |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
909 |
CollectorCell* cell = curBlock->cells + i; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
910 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
911 |
// special case for allocated but uninitialized object |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
912 |
// (We don't need this check earlier because nothing prior this point |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
913 |
// assumes the object has a valid vptr.) |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
914 |
if (cell->u.freeCell.zeroIfFree == 0) |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
915 |
continue; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
916 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
917 |
JSCell* imp = reinterpret_cast<JSCell*>(cell); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
918 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
919 |
ASSERT(currentThreadIsMainThread || !curBlock->collectOnMainThreadOnly.get(i)); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
920 |
if (curBlock->collectOnMainThreadOnly.get(i)) { |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
921 |
curBlock->collectOnMainThreadOnly.clear(i); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
922 |
--mainThreadOnlyObjectCount; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
923 |
} |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
924 |
imp->~JSCell(); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
925 |
--usedCells; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
926 |
--numLiveObjects; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
927 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
928 |
// put cell on the free list |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
929 |
cell->u.freeCell.zeroIfFree = 0; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
930 |
cell->u.freeCell.next = reinterpret_cast<char *>(freeList) - reinterpret_cast<char *>(cell + 1); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
931 |
freeList = cell; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
932 |
} |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
933 |
} |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
934 |
} else { |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
935 |
size_t minimumCellsToProcess = usedCells; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
936 |
for (size_t i = 0; (i < minimumCellsToProcess) & (i < CELLS_PER_BLOCK); i++) { |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
937 |
CollectorCell *cell = curBlock->cells + i; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
938 |
if (cell->u.freeCell.zeroIfFree == 0) { |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
939 |
++minimumCellsToProcess; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
940 |
} else { |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
941 |
if (!curBlock->marked.get(i)) { |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
942 |
JSCell *imp = reinterpret_cast<JSCell *>(cell); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
943 |
ASSERT(currentThreadIsMainThread || !curBlock->collectOnMainThreadOnly.get(i)); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
944 |
if (curBlock->collectOnMainThreadOnly.get(i)) { |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
945 |
curBlock->collectOnMainThreadOnly.clear(i); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
946 |
--mainThreadOnlyObjectCount; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
947 |
} |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
948 |
imp->~JSCell(); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
949 |
--usedCells; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
950 |
--numLiveObjects; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
951 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
952 |
// put cell on the free list |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
953 |
cell->u.freeCell.zeroIfFree = 0; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
954 |
cell->u.freeCell.next = reinterpret_cast<char *>(freeList) - reinterpret_cast<char *>(cell + 1); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
955 |
freeList = cell; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
956 |
} |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
957 |
} |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
958 |
} |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
959 |
} |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
960 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
961 |
curBlock->usedCells = static_cast<uint32_t>(usedCells); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
962 |
curBlock->freeList = freeList; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
963 |
curBlock->marked.clearAll(); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
964 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
965 |
if (usedCells == 0) { |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
966 |
emptyBlocks++; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
967 |
if (emptyBlocks > SPARE_EMPTY_BLOCKS) { |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
968 |
#if !DEBUG_COLLECTOR |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
969 |
freeBlock(curBlock); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
970 |
#endif |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
971 |
// swap with the last block so we compact as we go |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
972 |
heap.blocks[block] = heap.blocks[heap.usedBlocks - 1]; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
973 |
heap.usedBlocks--; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
974 |
block--; // Don't move forward a step in this case |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
975 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
976 |
if (heap.numBlocks > MIN_ARRAY_SIZE && heap.usedBlocks < heap.numBlocks / LOW_WATER_FACTOR) { |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
977 |
heap.numBlocks = heap.numBlocks / GROWTH_FACTOR; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
978 |
heap.blocks = (CollectorBlock **)fastRealloc(heap.blocks, heap.numBlocks * sizeof(CollectorBlock *)); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
979 |
} |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
980 |
} |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
981 |
} |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
982 |
} |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
983 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
984 |
if (heap.numLiveObjects != numLiveObjects) |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
985 |
heap.firstBlockWithPossibleSpace = 0; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
986 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
987 |
bool deleted = heap.numLiveObjects != numLiveObjects; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
988 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
989 |
heap.numLiveObjects = numLiveObjects; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
990 |
heap.numLiveObjectsAtLastCollect = numLiveObjects; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
991 |
heap.extraCost = 0; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
992 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
993 |
memoryFull = (numLiveObjects >= KJS_MEM_LIMIT); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
994 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
995 |
heap.operationInProgress = NoOperation; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
996 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
997 |
return deleted; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
998 |
} |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
999 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1000 |
size_t Collector::size() |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1001 |
{ |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1002 |
return heap.numLiveObjects; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1003 |
} |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1004 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1005 |
size_t Collector::numInterpreters() |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1006 |
{ |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1007 |
size_t count = 0; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1008 |
if (Interpreter::s_hook) { |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1009 |
Interpreter* scr = Interpreter::s_hook; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1010 |
do { |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1011 |
++count; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1012 |
scr = scr->next; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1013 |
} while (scr != Interpreter::s_hook); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1014 |
} |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1015 |
return count; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1016 |
} |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1017 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1018 |
size_t Collector::numProtectedObjects() |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1019 |
{ |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1020 |
return protectedValues().size(); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1021 |
} |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1022 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1023 |
static const char *typeName(JSCell *val) |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1024 |
{ |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1025 |
const char *name = "???"; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1026 |
switch (val->type()) { |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1027 |
case UnspecifiedType: |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1028 |
break; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1029 |
case UndefinedType: |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1030 |
name = "undefined"; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1031 |
break; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1032 |
case NullType: |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1033 |
name = "null"; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1034 |
break; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1035 |
case BooleanType: |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1036 |
name = "boolean"; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1037 |
break; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1038 |
case StringType: |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1039 |
name = "string"; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1040 |
break; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1041 |
case NumberType: |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1042 |
name = "number"; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1043 |
break; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1044 |
case ObjectType: { |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1045 |
const ClassInfo *info = static_cast<JSObject *>(val)->classInfo(); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1046 |
name = info ? info->className : "Object"; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1047 |
break; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1048 |
} |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1049 |
case GetterSetterType: |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1050 |
name = "gettersetter"; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1051 |
break; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1052 |
} |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1053 |
return name; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1054 |
} |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1055 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1056 |
HashCountedSet<const char*>* Collector::rootObjectTypeCounts() |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1057 |
{ |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1058 |
HashCountedSet<const char*>* counts = new HashCountedSet<const char*>; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1059 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1060 |
ProtectCountSet& protectedValues = KJS::protectedValues(); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1061 |
ProtectCountSet::iterator end = protectedValues.end(); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1062 |
for (ProtectCountSet::iterator it = protectedValues.begin(); it != end; ++it) |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1063 |
counts->add(typeName(it->first)); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1064 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1065 |
return counts; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1066 |
} |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1067 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1068 |
bool Collector::isBusy() |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1069 |
{ |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1070 |
return heap.operationInProgress != NoOperation; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1071 |
} |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1072 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1073 |
#if PLATFORM(SYMBIAN) |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1074 |
EXPORT |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1075 |
const CollectorBlock* Collector::cellBlock(const JSCell* cell) |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1076 |
{ |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1077 |
size_t usedBlocks = heap.usedBlocks; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1078 |
CollectorBlock **blocks = heap.blocks; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1079 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1080 |
for (size_t block=0; block<usedBlocks; ++block) { |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1081 |
int offset = (size_t)cell - (size_t)blocks[block]; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1082 |
if (offset >= 0 && offset < BLOCK_SIZE) { |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1083 |
return blocks[block]; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1084 |
} |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1085 |
} |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1086 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1087 |
return 0; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1088 |
} |
dd21522fd290
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Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
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changeset
|
1089 |
|
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Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
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diff
changeset
|
1090 |
EXPORT |
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Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1091 |
CollectorBlock* Collector::cellBlock(JSCell* cell) |
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Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1092 |
{ |
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Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
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changeset
|
1093 |
size_t usedBlocks = heap.usedBlocks; |
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Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
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|
1094 |
CollectorBlock **blocks = heap.blocks; |
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Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
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changeset
|
1095 |
|
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|
1096 |
for (size_t block=0; block<usedBlocks; ++block) { |
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Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
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|
1097 |
int offset = (size_t)cell - (size_t)blocks[block]; |
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Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
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|
1098 |
if (offset >= 0 && offset < BLOCK_SIZE) { |
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Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
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|
1099 |
return blocks[block]; |
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Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
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changeset
|
1100 |
} |
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Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1101 |
} |
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Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
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diff
changeset
|
1102 |
|
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Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1103 |
return 0; |
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Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1104 |
} |
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Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
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diff
changeset
|
1105 |
|
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Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1106 |
EXPORT |
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Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1107 |
size_t Collector::cellOffset(const JSCell* cell) |
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Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1108 |
{ |
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Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1109 |
size_t usedBlocks = heap.usedBlocks; |
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Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1110 |
CollectorBlock **blocks = heap.blocks; |
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Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1111 |
|
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Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1112 |
for (size_t block=0; block<usedBlocks; ++block) { |
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Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1113 |
int offset = (size_t)cell - (size_t)blocks[block]; |
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Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1114 |
if (offset >= 0 && offset < BLOCK_SIZE) { |
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Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1115 |
return offset/CELL_SIZE; |
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Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1116 |
} |
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Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
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diff
changeset
|
1117 |
} |
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Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
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diff
changeset
|
1118 |
|
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Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1119 |
// should never get here. |
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Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
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|
1120 |
return -1; |
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Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1121 |
} |
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Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1122 |
#endif |
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Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
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diff
changeset
|
1123 |
|
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Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
1124 |
} // namespace KJS |