diff options
Diffstat (limited to 'src')
8 files changed, 295 insertions, 4 deletions
diff --git a/src/3rdparty/javascriptcore/JavaScriptCore/ChangeLog b/src/3rdparty/javascriptcore/JavaScriptCore/ChangeLog index 93431df..fbaf5d2 100644 --- a/src/3rdparty/javascriptcore/JavaScriptCore/ChangeLog +++ b/src/3rdparty/javascriptcore/JavaScriptCore/ChangeLog @@ -1,3 +1,39 @@ +2010-06-18 Tucker Jay <jay.tucker@nokia.com> + + Reviewed by NOBODY (OOPS!). + + [Symbian] Lazy commit of memory required in JSC register file + https://bugs.webkit.org/show_bug.cgi?id=34349 + + * JavaScriptCore.pro: Added 1 new Symbian source file + * interpreter/RegisterFile.cpp: + (JSC::RegisterFile::~RegisterFile): + * interpreter/RegisterFile.h: + (JSC::RegisterFile::): + (JSC::RegisterFile::start): + (JSC::RegisterFile::end): + (JSC::RegisterFile::size): + (JSC::RegisterFile::setNumGlobals): + (JSC::RegisterFile::numGlobals): + (JSC::RegisterFile::maxGlobals): + (JSC::RegisterFile::lastGlobal): + (JSC::RegisterFile::markGlobals): + (JSC::RegisterFile::markCallFrames): + (JSC::isPageAligned): + (JSC::RegisterFile::RegisterFile): + (JSC::RegisterFile::shrink): + (JSC::RegisterFile::grow): + * wtf/symbian/RegisterFileAllocatorSymbian.cpp: Added. + (WTF::RegisterFileAllocator::RegisterFileAllocator): + Helper class to allocate memory required by RegisterFile + more efficiently. + (WTF::RegisterFileAllocator::~RegisterFileAllocator): + (WTF::RegisterFileAllocator::buffer): + (WTF::RegisterFileAllocator::grow): + (WTF::RegisterFileAllocator::shrink): + * wtf/symbian/RegisterFileAllocatorSymbian.h: Added. + * wtf/symbian/SymbianDefines.h: Added. + 2010-06-19 Thiago Macieira <thiago.macieira@nokia.com> Reviewed by Kenneth Rohde Christiansen. diff --git a/src/3rdparty/javascriptcore/JavaScriptCore/JavaScriptCore.pri b/src/3rdparty/javascriptcore/JavaScriptCore/JavaScriptCore.pri index 75737ae..d75bd31 100644 --- a/src/3rdparty/javascriptcore/JavaScriptCore/JavaScriptCore.pri +++ b/src/3rdparty/javascriptcore/JavaScriptCore/JavaScriptCore.pri @@ -211,6 +211,7 @@ SOURCES += \ wtf/qt/ThreadingQt.cpp \ wtf/RandomNumber.cpp \ wtf/RefCountedLeakCounter.cpp \ + wtf/symbian/RegisterFileAllocatorSymbian.cpp \ wtf/ThreadingNone.cpp \ wtf/Threading.cpp \ wtf/TypeTraits.cpp \ diff --git a/src/3rdparty/javascriptcore/JavaScriptCore/interpreter/RegisterFile.cpp b/src/3rdparty/javascriptcore/JavaScriptCore/interpreter/RegisterFile.cpp index 939573b..293fc38 100644 --- a/src/3rdparty/javascriptcore/JavaScriptCore/interpreter/RegisterFile.cpp +++ b/src/3rdparty/javascriptcore/JavaScriptCore/interpreter/RegisterFile.cpp @@ -40,6 +40,8 @@ RegisterFile::~RegisterFile() VirtualFree(m_buffer, DWORD(m_commitEnd) - DWORD(m_buffer), MEM_DECOMMIT); #endif VirtualFree(m_buffer, 0, MEM_RELEASE); +#elif OS(SYMBIAN) + delete m_registerFileAllocator; #else fastFree(m_buffer); #endif diff --git a/src/3rdparty/javascriptcore/JavaScriptCore/interpreter/RegisterFile.h b/src/3rdparty/javascriptcore/JavaScriptCore/interpreter/RegisterFile.h index 34e2504..49304d9 100644 --- a/src/3rdparty/javascriptcore/JavaScriptCore/interpreter/RegisterFile.h +++ b/src/3rdparty/javascriptcore/JavaScriptCore/interpreter/RegisterFile.h @@ -41,6 +41,10 @@ #include <sys/mman.h> #endif +#if OS(SYMBIAN) +#include <wtf/symbian/RegisterFileAllocatorSymbian.h> +#endif + namespace JSC { /* @@ -152,12 +156,21 @@ namespace JSC { #if HAVE(VIRTUALALLOC) Register* m_commitEnd; #endif +#if OS(SYMBIAN) + // Commits and frees a continguous chunk of memory as required + WTF::RegisterFileAllocator* m_registerFileAllocator; +#endif JSGlobalObject* m_globalObject; // The global object whose vars are currently stored in the register file. }; // FIXME: Add a generic getpagesize() to WTF, then move this function to WTF as well. - inline bool isPageAligned(size_t size) { return size != 0 && size % (8 * 1024) == 0; } + // This is still a hack that should be fixed later. We know that a Symbian page size is 4K. + #if OS(SYMBIAN) + inline bool isPageAligned(size_t size) { return size && !(size % (4 * 1024)); } + #else + inline bool isPageAligned(size_t size) { return size && !(size % (8 * 1024)); } + #endif inline RegisterFile::RegisterFile(size_t capacity, size_t maxGlobals) : m_numGlobals(0) @@ -204,7 +217,13 @@ namespace JSC { CRASH(); } m_commitEnd = reinterpret_cast<Register*>(reinterpret_cast<char*>(m_buffer) + committedSize); - #else + #elif OS(SYMBIAN) + m_registerFileAllocator = new WTF::RegisterFileAllocator(bufferLength); + m_buffer = (Register*)(m_registerFileAllocator->buffer()); + // start by committing enough space to hold maxGlobals + void* newEnd = (void*)((int)m_buffer + (maxGlobals * sizeof(Register))); + m_registerFileAllocator->grow(newEnd); + #else /* * If neither MMAP nor VIRTUALALLOC are available - use fastMalloc instead. * @@ -226,8 +245,13 @@ namespace JSC { if (newEnd >= m_end) return; m_end = newEnd; - if (m_end == m_start && (m_maxUsed - m_start) > maxExcessCapacity) + if (m_end == m_start && (m_maxUsed - m_start) > maxExcessCapacity) { +#if OS(SYMBIAN) + m_registerFileAllocator->shrink(newEnd); +#endif + releaseExcessCapacity(); + } } inline bool RegisterFile::grow(Register* newEnd) @@ -252,6 +276,9 @@ namespace JSC { m_commitEnd = reinterpret_cast<Register*>(reinterpret_cast<char*>(m_commitEnd) + size); } #endif +#if OS(SYMBIAN) + m_registerFileAllocator->grow((void*)newEnd); +#endif if (newEnd > m_maxUsed) m_maxUsed = newEnd; diff --git a/src/3rdparty/javascriptcore/JavaScriptCore/wtf/symbian/RegisterFileAllocatorSymbian.cpp b/src/3rdparty/javascriptcore/JavaScriptCore/wtf/symbian/RegisterFileAllocatorSymbian.cpp new file mode 100644 index 0000000..baa7841 --- /dev/null +++ b/src/3rdparty/javascriptcore/JavaScriptCore/wtf/symbian/RegisterFileAllocatorSymbian.cpp @@ -0,0 +1,111 @@ +/* + * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies) + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of + * its contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "config.h" + +#if OS(SYMBIAN) + +#include "RegisterFileAllocatorSymbian.h" + +namespace WTF { + +/** Efficiently allocates memory pools of size poolSize. + * Primarily designed for JSC RegisterFile's needs. + * Not thread-safe. + */ +RegisterFileAllocator::RegisterFileAllocator(TUint32 reservationSize, TUint32 poolSize) : + m_reserved(reservationSize), m_poolSize(poolSize) +{ + // Get system's page size value. + SYMBIAN_PAGESIZE(m_pageSize); + + // We only accept multiples of system page size for both initial reservation + // and the alignment/pool size + m_reserved = SYMBIAN_ROUNDUPTOMULTIPLE(m_reserved, m_pageSize); + __ASSERT_ALWAYS(SYMBIAN_ROUNDUPTOMULTIPLE(m_poolSize, m_pageSize), + User::Panic(_L("RegisterFileAllocator1"), KErrArgument)); + + // Open a Symbian RChunk, and reserve requested virtual address range + // Any thread in this process can operate this RChunk due to EOwnerProcess access rights. + TInt ret = m_chunk.CreateDisconnectedLocal(0 , 0, (TInt)m_reserved , EOwnerProcess); + if (ret != KErrNone) + User::Panic(_L("RegisterFileAllocator2"), ret); + + m_buffer = (void*)m_chunk.Base(); + m_resEnd = (void*)(m_chunk.Base() + m_chunk.MaxSize()); + m_comEnd = m_buffer; +} + +RegisterFileAllocator::~RegisterFileAllocator() +{ + // release everything! + m_chunk.Decommit(0, m_chunk.MaxSize()); + m_chunk.Close(); +} + +void* RegisterFileAllocator::buffer() const +{ + return m_buffer; +} + +void RegisterFileAllocator::grow(void* newEnd) +{ + // trying to commit more memory than reserved! + if (newEnd > m_resEnd) + return; + + if (newEnd > m_comEnd) { + TInt nBytes = (TInt)(newEnd) - (TInt)(m_comEnd); + nBytes = SYMBIAN_ROUNDUPTOMULTIPLE(nBytes, m_poolSize); + TInt offset = (TInt)m_comEnd - (TInt)m_buffer; + + TInt ret = m_chunk.Commit(offset, nBytes); + if (ret == KErrNone) + m_comEnd = (void*)(m_chunk.Base() + m_chunk.Size()); + } +} + +void RegisterFileAllocator::shrink(void* newEnd) +{ + if (newEnd < m_comEnd) { + TInt nBytes = (TInt)newEnd - (TInt)m_comEnd; + if (nBytes >= m_poolSize) { + TInt offset = SYMBIAN_ROUNDUPTOMULTIPLE((TUint)newEnd, m_poolSize) - (TInt)m_buffer; + nBytes = (TInt)m_comEnd - offset - (TInt)m_buffer; + if (nBytes > 0) { + TInt ret = m_chunk.Decommit(offset, nBytes); + if (ret == KErrNone) + m_comEnd = (void*)(m_chunk.Base() + m_chunk.Size()); + } + } + } +} + +} // end of namespace + +#endif // SYMBIAN diff --git a/src/3rdparty/javascriptcore/JavaScriptCore/wtf/symbian/RegisterFileAllocatorSymbian.h b/src/3rdparty/javascriptcore/JavaScriptCore/wtf/symbian/RegisterFileAllocatorSymbian.h new file mode 100644 index 0000000..4cfc8c5 --- /dev/null +++ b/src/3rdparty/javascriptcore/JavaScriptCore/wtf/symbian/RegisterFileAllocatorSymbian.h @@ -0,0 +1,69 @@ +/* + * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies) + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of + * its contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef RegisterFileAllocatorSymbian_h +#define RegisterFileAllocatorSymbian_h + +#include "SymbianDefines.h" + +namespace WTF { + +/** + * Allocates contiguous regions of size poolSize. + * poolSize must be a multiple of system page size (typically 4K on Symbian/ARM) + * + * @param reservationSize Virtual address range to be reserved upon creation of chunk (bytes). + * @param poolSize Size of a single allocation. + */ +class RegisterFileAllocator { + +public: + RegisterFileAllocator( + TUint32 reservationSize, TUint32 poolSize = SYMBIAN_REGFILEALLOC_DEFAULTPOOLSIZE); + ~RegisterFileAllocator(); + void* buffer() const; + void grow(void* newEnd); + void shrink(void* newEnd); + +private: + RChunk m_chunk; // Symbian chunk that lets us reserve/commit/decommit + + // all following values are in numbers of bytes + TInt m_pageSize; // cached value of system page size, typically 4K on Symbian + TUint32 m_reserved; // total number of reserved bytes in virtual memory + TUint32 m_poolSize; // size of one memory pool, set by default to 64K in wtf/symbian/SymbianDefines.h + + void* m_buffer; // pointer to base of the chunk + void* m_comEnd; // pointer to end of currently committed memory + void* m_resEnd; // pointer to end of reserved memory + +}; + +} // end of namespace + +#endif // RegisterFileAllocatorSymbian_h diff --git a/src/3rdparty/javascriptcore/JavaScriptCore/wtf/symbian/SymbianDefines.h b/src/3rdparty/javascriptcore/JavaScriptCore/wtf/symbian/SymbianDefines.h new file mode 100644 index 0000000..43e22b3 --- /dev/null +++ b/src/3rdparty/javascriptcore/JavaScriptCore/wtf/symbian/SymbianDefines.h @@ -0,0 +1,42 @@ +/* + * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies) + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of + * its contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef SymbianDefines_h +#define SymbianDefines_h + +#include <e32cmn.h> +#include <e32std.h> +#include <hal.h> + +#define SYMBIAN_PAGESIZE(x) (HAL::Get(HALData::EMemoryPageSize, x)); +#define SYMBIAN_FREERAM(x) (HAL::Get(HALData::EMemoryRAMFree, x)); +#define SYMBIAN_ROUNDUPTOMULTIPLE(x, multipleof) ( (x + multipleof - 1) & ~(multipleof - 1) ) + +#define SYMBIAN_REGFILEALLOC_DEFAULTPOOLSIZE 65536 // 64K + +#endif // SymbianDefines_h diff --git a/src/script/script.pro b/src/script/script.pro index 55217e0..4ee86d7 100644 --- a/src/script/script.pro +++ b/src/script/script.pro @@ -79,7 +79,10 @@ INCLUDEPATH += $$PWD include(script.pri) -symbian:TARGET.UID3=0x2001B2E1 +symbian { + TARGET.UID3=0x2001B2E1 + LIBS += -lhal +} # WebKit doesn't compile in C++0x mode *-g++*:QMAKE_CXXFLAGS -= -std=c++0x -std=gnu++0x |