JavaScriptCore-7601.1.46.3.tar.gz

[apple/javascriptcore.git] / jit / ExecutableAllocator.h

diff --git a/jit/ExecutableAllocator.h b/jit/ExecutableAllocator.h
index 55f9e77464a00913bf29270cfc1bb6e954740cc2..820ad4afcdb924dbec922a51373bf42fe7b05a90 100644 (file)
--- a/jit/ExecutableAllocator.h
+++ b/jit/ExecutableAllocator.h
@@ -32,7 +32,6 @@
 #include <wtf/MetaAllocatorHandle.h>
 #include <wtf/MetaAllocator.h>
 #include <wtf/PageAllocation.h>
-#include <wtf/PassRefPtr.h>
 #include <wtf/RefCounted.h>
 #include <wtf/Vector.h>
 
@@ -55,12 +54,6 @@
 #include <unistd.h>
 #endif
 
-#if OS(WINCE)
-// From pkfuncs.h (private header file from the Platform Builder)
-#define CACHE_SYNC_ALL 0x07F
-extern "C" __declspec(dllimport) void CacheRangeFlush(LPVOID pAddr, DWORD dwLength, DWORD dwFlags);
-#endif
-
 #define JIT_ALLOCATOR_LARGE_ALLOC_SIZE (pageSize() * 4)
 
 #if ENABLE(ASSEMBLER_WX_EXCLUSIVE)
@@ -87,13 +80,16 @@ class DemandExecutableAllocator;
 #endif
 
 #if ENABLE(EXECUTABLE_ALLOCATOR_FIXED)
-#if CPU(ARM) || CPU(ARM64)
+#if CPU(ARM)
 static const size_t fixedExecutableMemoryPoolSize = 16 * 1024 * 1024;
+#elif CPU(ARM64)
+static const size_t fixedExecutableMemoryPoolSize = 32 * 1024 * 1024;
 #elif CPU(X86_64)
 static const size_t fixedExecutableMemoryPoolSize = 1024 * 1024 * 1024;
 #else
 static const size_t fixedExecutableMemoryPoolSize = 32 * 1024 * 1024;
 #endif
+static const double executablePoolReservationFraction = 0.25;
 
 extern uintptr_t startOfFixedExecutableMemoryPool;
 #endif
@@ -119,7 +115,7 @@ public:
     static void dumpProfile() { }
 #endif
 
-    PassRefPtr<ExecutableMemoryHandle> allocate(VM&, size_t sizeInBytes, void* ownerUID, JITCompilationEffort);
+    RefPtr<ExecutableMemoryHandle> allocate(VM&, size_t sizeInBytes, void* ownerUID, JITCompilationEffort);
 
 #if ENABLE(ASSEMBLER_WX_EXCLUSIVE)
     static void makeWritable(void* start, size_t size)
@@ -144,7 +140,7 @@ private:
     static void reprotectRegion(void*, size_t, ProtectionSetting);
 #if ENABLE(EXECUTABLE_ALLOCATOR_DEMAND)
     // We create a MetaAllocator for each JS global object.
-    OwnPtr<DemandExecutableAllocator> m_allocator;
+    std::unique_ptr<DemandExecutableAllocator> m_allocator;
     DemandExecutableAllocator* allocator() { return m_allocator.get(); }
 #endif
 #endif