Imported WebKit commit bb52bf3c0119e8a128cd93afe5572413a8617de9 (http://svn.webkit.org/repository/webkit/trunk@108790)

1 files changed, 86 insertions, 0 deletions

diff --git a/Source/JavaScriptCore/llint/LLIntEntrypoints.cpp b/Source/JavaScriptCore/llint/LLIntEntrypoints.cpp
new file mode 100644
index 000000000..f610f4b4c
--- /dev/null
+++ b/Source/JavaScriptCore/llint/LLIntEntrypoints.cpp
@@ -0,0 +1,86 @@
+/*
+ * Copyright (C) 2012 Apple Inc. All rights reserved.
+ *
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``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 INC. OR
+ * 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"
+#include "LLIntEntrypoints.h"
+
+#if ENABLE(LLINT)
+
+#include "JITCode.h"
+#include "JSGlobalData.h"
+#include "LLIntThunks.h"
+#include "LowLevelInterpreter.h"
+
+namespace JSC { namespace LLInt {
+
+void getFunctionEntrypoint(JSGlobalData& globalData, CodeSpecializationKind kind, JITCode& jitCode, MacroAssemblerCodePtr& arityCheck)
+{
+    if (!globalData.canUseJIT()) {
+        if (kind == CodeForCall) {
+            jitCode = JITCode::HostFunction(MacroAssemblerCodeRef::createSelfManagedCodeRef(MacroAssemblerCodePtr(bitwise_cast<void*>(&llint_function_for_call_prologue))));
+            arityCheck = MacroAssemblerCodePtr(bitwise_cast<void*>(&llint_function_for_call_arity_check));
+            return;
+        }
+
+        ASSERT(kind == CodeForConstruct);
+        jitCode = JITCode::HostFunction(MacroAssemblerCodeRef::createSelfManagedCodeRef(MacroAssemblerCodePtr(bitwise_cast<void*>(&llint_function_for_construct_prologue))));
+        arityCheck = MacroAssemblerCodePtr(bitwise_cast<void*>(&llint_function_for_construct_arity_check));
+        return;
+    }
+    
+    if (kind == CodeForCall) {
+        jitCode = JITCode(globalData.getCTIStub(functionForCallEntryThunkGenerator), JITCode::InterpreterThunk);
+        arityCheck = globalData.getCTIStub(functionForCallArityCheckThunkGenerator).code();
+        return;
+    }
+
+    ASSERT(kind == CodeForConstruct);
+    jitCode = JITCode(globalData.getCTIStub(functionForConstructEntryThunkGenerator), JITCode::InterpreterThunk);
+    arityCheck = globalData.getCTIStub(functionForConstructArityCheckThunkGenerator).code();
+}
+
+void getEvalEntrypoint(JSGlobalData& globalData, JITCode& jitCode)
+{
+    if (!globalData.canUseJIT()) {
+        jitCode = JITCode::HostFunction(MacroAssemblerCodeRef::createSelfManagedCodeRef(MacroAssemblerCodePtr(bitwise_cast<void*>(&llint_eval_prologue))));
+        return;
+    }
+    
+    jitCode = JITCode(globalData.getCTIStub(evalEntryThunkGenerator), JITCode::InterpreterThunk);
+}
+
+void getProgramEntrypoint(JSGlobalData& globalData, JITCode& jitCode)
+{
+    if (!globalData.canUseJIT()) {
+        jitCode = JITCode::HostFunction(MacroAssemblerCodeRef::createSelfManagedCodeRef(MacroAssemblerCodePtr(bitwise_cast<void*>(&llint_program_prologue))));
+        return;
+    }
+    
+    jitCode = JITCode(globalData.getCTIStub(programEntryThunkGenerator), JITCode::InterpreterThunk);
+}
+
+} } // namespace JSC::LLInt
+
+#endif // ENABLE(LLINT)