diff options
Diffstat (limited to 'src/3rdparty/javascriptcore/JavaScriptCore/runtime/Collector.cpp')
-rw-r--r-- | src/3rdparty/javascriptcore/JavaScriptCore/runtime/Collector.cpp | 46 |
1 files changed, 9 insertions, 37 deletions
diff --git a/src/3rdparty/javascriptcore/JavaScriptCore/runtime/Collector.cpp b/src/3rdparty/javascriptcore/JavaScriptCore/runtime/Collector.cpp index 24873c8..42e2a35 100644 --- a/src/3rdparty/javascriptcore/JavaScriptCore/runtime/Collector.cpp +++ b/src/3rdparty/javascriptcore/JavaScriptCore/runtime/Collector.cpp @@ -53,11 +53,6 @@ #include <mach/thread_act.h> #include <mach/vm_map.h> -#elif OS(SYMBIAN) -#include <e32std.h> -#include <e32cmn.h> -#include <unistd.h> - #elif OS(WINDOWS) #include <windows.h> @@ -109,11 +104,6 @@ const size_t ALLOCATIONS_PER_COLLECTION = 3600; // a PIC branch in Mach-O binaries, see <rdar://problem/5971391>. #define MIN_ARRAY_SIZE (static_cast<size_t>(14)) -#if OS(SYMBIAN) -const size_t MAX_NUM_BLOCKS = 256; // Max size of collector heap set to 16 MB -static RHeap* userChunk = 0; -#endif - #if ENABLE(JSC_MULTIPLE_THREADS) #if OS(DARWIN) @@ -146,29 +136,11 @@ Heap::Heap(JSGlobalData* globalData) , m_currentThreadRegistrar(0) #endif , m_globalData(globalData) +#if OS(SYMBIAN) + , m_blockallocator(JSCCOLLECTOR_VIRTUALMEM_RESERVATION, BLOCK_SIZE) +#endif { ASSERT(globalData); - -#if OS(SYMBIAN) - // Symbian OpenC supports mmap but currently not the MAP_ANON flag. - // Using fastMalloc() does not properly align blocks on 64k boundaries - // and previous implementation was flawed/incomplete. - // UserHeap::ChunkHeap allows allocation of continuous memory and specification - // of alignment value for (symbian) cells within that heap. - // - // Clarification and mapping of terminology: - // RHeap (created by UserHeap::ChunkHeap below) is continuos memory chunk, - // which can dynamically grow up to 8 MB, - // that holds all CollectorBlocks of this session (static). - // Each symbian cell within RHeap maps to a 64kb aligned CollectorBlock. - // JSCell objects are maintained as usual within CollectorBlocks. - if (!userChunk) { - userChunk = UserHeap::ChunkHeap(0, 0, MAX_NUM_BLOCKS * BLOCK_SIZE, BLOCK_SIZE, BLOCK_SIZE); - if (!userChunk) - CRASH(); - } -#endif // OS(SYMBIAN) - memset(&m_heap, 0, sizeof(CollectorHeap)); allocateBlock(); } @@ -211,7 +183,9 @@ void Heap::destroy() t = next; } #endif - +#if OS(SYMBIAN) + m_blockallocator.destroy(); +#endif m_globalData = 0; } @@ -221,11 +195,9 @@ NEVER_INLINE CollectorBlock* Heap::allocateBlock() vm_address_t address = 0; vm_map(current_task(), &address, BLOCK_SIZE, BLOCK_OFFSET_MASK, VM_FLAGS_ANYWHERE | VM_TAG_FOR_COLLECTOR_MEMORY, MEMORY_OBJECT_NULL, 0, FALSE, VM_PROT_DEFAULT, VM_PROT_DEFAULT, VM_INHERIT_DEFAULT); #elif OS(SYMBIAN) - // Allocate a 64 kb aligned CollectorBlock - unsigned char* mask = reinterpret_cast<unsigned char*>(userChunk->Alloc(BLOCK_SIZE)); - if (!mask) + void* address = m_blockallocator.alloc(); + if (!address) CRASH(); - uintptr_t address = reinterpret_cast<uintptr_t>(mask); #elif OS(WINCE) void* address = VirtualAlloc(NULL, BLOCK_SIZE, MEM_COMMIT | MEM_RESERVE, PAGE_READWRITE); #elif OS(WINDOWS) @@ -316,7 +288,7 @@ NEVER_INLINE void Heap::freeBlockPtr(CollectorBlock* block) #if OS(DARWIN) vm_deallocate(current_task(), reinterpret_cast<vm_address_t>(block), BLOCK_SIZE); #elif OS(SYMBIAN) - userChunk->Free(reinterpret_cast<TAny*>(block)); + m_blockallocator.free(reinterpret_cast<void*>(block)); #elif OS(WINCE) VirtualFree(block, 0, MEM_RELEASE); #elif OS(WINDOWS) |